110002 - Disclosure - S000033427 [Member] Investment Objectives and Goals
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110003 - Disclosure - S000033427 [Member] Fees and Expenses
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110004 - Disclosure - S000033427 [Member] Investment Strategy
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link:definitionLink
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110005 - Disclosure - S000033427 [Member] Investment Risks
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110006 - Disclosure - S000033427 [Member] Performance Management
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120010 - Disclosure - S000033427 [Member] Shareholder Fees
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120020 - Disclosure - S000033427 [Member] Annual Fund Operating Expenses
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120030 - Disclosure - S000033427 [Member] Expense Example
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120040 - Disclosure - S000033427 [Member] Expense Example, No Redemption
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120045 - Disclosure - S000033427 [Member] Risks Data
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120050 - Disclosure - S000033427 [Member] Annual Total Returns
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120060 - Disclosure - S000033427 [Member] Average Annual Total Returns
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120070 - Disclosure - S000033427 [Member] Market Index Performance
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110000 - Disclosure - S000033427 [Member] N-1A Cover
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110001 - Disclosure - S000033427 [Member] N-1A Supplement
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210002 - Disclosure - S000001269 [Member] Investment Objectives and Goals
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210003 - Disclosure - S000001269 [Member] Fees and Expenses
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210004 - Disclosure - S000001269 [Member] Investment Strategy
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210005 - Disclosure - S000001269 [Member] Investment Risks
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210006 - Disclosure - S000001269 [Member] Performance Management
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220010 - Disclosure - S000001269 [Member] Shareholder Fees
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220020 - Disclosure - S000001269 [Member] Annual Fund Operating Expenses
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220030 - Disclosure - S000001269 [Member] Expense Example
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220040 - Disclosure - S000001269 [Member] Expense Example, No Redemption
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220045 - Disclosure - S000001269 [Member] Risks Data
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220050 - Disclosure - S000001269 [Member] Annual Total Returns
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220060 - Disclosure - S000001269 [Member] Average Annual Total Returns
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220070 - Disclosure - S000001269 [Member] Market Index Performance
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210000 - Disclosure - S000001269 [Member] N-1A Cover
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210001 - Disclosure - S000001269 [Member] N-1A Supplement
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310002 - Disclosure - S000001270 [Member] Investment Objectives and Goals
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310003 - Disclosure - S000001270 [Member] Fees and Expenses
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310004 - Disclosure - S000001270 [Member] Investment Strategy
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310005 - Disclosure - S000001270 [Member] Investment Risks
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310006 - Disclosure - S000001270 [Member] Performance Management
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320010 - Disclosure - S000001270 [Member] Shareholder Fees
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320020 - Disclosure - S000001270 [Member] Annual Fund Operating Expenses
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320030 - Disclosure - S000001270 [Member] Expense Example
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320040 - Disclosure - S000001270 [Member] Expense Example, No Redemption
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320045 - Disclosure - S000001270 [Member] Risks Data
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320050 - Disclosure - S000001270 [Member] Annual Total Returns
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320060 - Disclosure - S000001270 [Member] Average Annual Total Returns
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320070 - Disclosure - S000001270 [Member] Market Index Performance
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310000 - Disclosure - S000001270 [Member] N-1A Cover
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310001 - Disclosure - S000001270 [Member] N-1A Supplement
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410002 - Disclosure - S000001243 [Member] Investment Objectives and Goals
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410003 - Disclosure - S000001243 [Member] Fees and Expenses
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410004 - Disclosure - S000001243 [Member] Investment Strategy
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410005 - Disclosure - S000001243 [Member] Investment Risks
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410006 - Disclosure - S000001243 [Member] Performance Management
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420010 - Disclosure - S000001243 [Member] Shareholder Fees
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420020 - Disclosure - S000001243 [Member] Annual Fund Operating Expenses
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420030 - Disclosure - S000001243 [Member] Expense Example
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420040 - Disclosure - S000001243 [Member] Expense Example, No Redemption
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420045 - Disclosure - S000001243 [Member] Risks Data
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420050 - Disclosure - S000001243 [Member] Annual Total Returns
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420060 - Disclosure - S000001243 [Member] Average Annual Total Returns
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420070 - Disclosure - S000001243 [Member] Market Index Performance
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410000 - Disclosure - S000001243 [Member] N-1A Cover
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410001 - Disclosure - S000001243 [Member] N-1A Supplement
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510002 - Disclosure - S000001271 [Member] Investment Objectives and Goals
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510003 - Disclosure - S000001271 [Member] Fees and Expenses
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510004 - Disclosure - S000001271 [Member] Investment Strategy
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510006 - Disclosure - S000001271 [Member] Performance Management
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520010 - Disclosure - S000001271 [Member] Shareholder Fees
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520020 - Disclosure - S000001271 [Member] Annual Fund Operating Expenses
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520030 - Disclosure - S000001271 [Member] Expense Example
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520040 - Disclosure - S000001271 [Member] Expense Example, No Redemption
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520045 - Disclosure - S000001271 [Member] Risks Data
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520050 - Disclosure - S000001271 [Member] Annual Total Returns
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520060 - Disclosure - S000001271 [Member] Average Annual Total Returns
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520070 - Disclosure - S000001271 [Member] Market Index Performance
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510000 - Disclosure - S000001271 [Member] N-1A Cover
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510001 - Disclosure - S000001271 [Member] N-1A Supplement
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610002 - Disclosure - S000001246 [Member] Investment Objectives and Goals
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610004 - Disclosure - S000001246 [Member] Investment Strategy
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620010 - Disclosure - S000001246 [Member] Shareholder Fees
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620030 - Disclosure - S000001246 [Member] Expense Example
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620040 - Disclosure - S000001246 [Member] Expense Example, No Redemption
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620045 - Disclosure - S000001246 [Member] Risks Data
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620050 - Disclosure - S000001246 [Member] Annual Total Returns
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620060 - Disclosure - S000001246 [Member] Average Annual Total Returns
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620070 - Disclosure - S000001246 [Member] Market Index Performance
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610000 - Disclosure - S000001246 [Member] N-1A Cover
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610001 - Disclosure - S000001246 [Member] N-1A Supplement
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710002 - Disclosure - S000001244 [Member] Investment Objectives and Goals
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710004 - Disclosure - S000001244 [Member] Investment Strategy
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710005 - Disclosure - S000001244 [Member] Investment Risks
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710006 - Disclosure - S000001244 [Member] Performance Management
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720010 - Disclosure - S000001244 [Member] Shareholder Fees
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720045 - Disclosure - S000001244 [Member] Risks Data
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720050 - Disclosure - S000001244 [Member] Annual Total Returns
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720060 - Disclosure - S000001244 [Member] Average Annual Total Returns
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720070 - Disclosure - S000001244 [Member] Market Index Performance
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710000 - Disclosure - S000001244 [Member] N-1A Cover
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710001 - Disclosure - S000001244 [Member] N-1A Supplement
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810002 - Disclosure - S000055816 [Member] Investment Objectives and Goals
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810004 - Disclosure - S000055816 [Member] Investment Strategy
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810005 - Disclosure - S000055816 [Member] Investment Risks
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820045 - Disclosure - S000055816 [Member] Risks Data
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820050 - Disclosure - S000055816 [Member] Annual Total Returns
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820060 - Disclosure - S000055816 [Member] Average Annual Total Returns
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820070 - Disclosure - S000055816 [Member] Market Index Performance
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810000 - Disclosure - S000055816 [Member] N-1A Cover
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810001 - Disclosure - S000055816 [Member] N-1A Supplement
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910002 - Disclosure - S000005358 [Member] Investment Objectives and Goals
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910003 - Disclosure - S000005358 [Member] Fees and Expenses
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910004 - Disclosure - S000005358 [Member] Investment Strategy
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910005 - Disclosure - S000005358 [Member] Investment Risks
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910006 - Disclosure - S000005358 [Member] Performance Management
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920010 - Disclosure - S000005358 [Member] Shareholder Fees
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920030 - Disclosure - S000005358 [Member] Expense Example
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920040 - Disclosure - S000005358 [Member] Expense Example, No Redemption
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920045 - Disclosure - S000005358 [Member] Risks Data
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920050 - Disclosure - S000005358 [Member] Annual Total Returns
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920060 - Disclosure - S000005358 [Member] Average Annual Total Returns
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link:definitionLink
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920070 - Disclosure - S000005358 [Member] Market Index Performance
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link:definitionLink
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910000 - Disclosure - S000005358 [Member] N-1A Cover
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910001 - Disclosure - S000005358 [Member] N-1A Supplement
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1010002 - Disclosure - S000012717 [Member] Investment Objectives and Goals
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1010003 - Disclosure - S000012717 [Member] Fees and Expenses
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1010004 - Disclosure - S000012717 [Member] Investment Strategy
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link:definitionLink
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1010005 - Disclosure - S000012717 [Member] Investment Risks
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1010006 - Disclosure - S000012717 [Member] Performance Management
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link:definitionLink
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1020020 - Disclosure - S000012717 [Member] Annual Fund Operating Expenses
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1020030 - Disclosure - S000012717 [Member] Expense Example
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1020040 - Disclosure - S000012717 [Member] Expense Example, No Redemption
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link:definitionLink
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1020045 - Disclosure - S000012717 [Member] Risks Data
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1020050 - Disclosure - S000012717 [Member] Annual Total Returns
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1020060 - Disclosure - S000012717 [Member] Average Annual Total Returns
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link:definitionLink
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1020070 - Disclosure - S000012717 [Member] Market Index Performance
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1010000 - Disclosure - S000012717 [Member] N-1A Cover
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1010001 - Disclosure - S000012717 [Member] N-1A Supplement
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1110004 - Disclosure - S000001268 [Member] Investment Strategy
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1110006 - Disclosure - S000001268 [Member] Performance Management
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link:definitionLink
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1120010 - Disclosure - S000001268 [Member] Shareholder Fees
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link:definitionLink
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1120020 - Disclosure - S000001268 [Member] Annual Fund Operating Expenses
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1120030 - Disclosure - S000001268 [Member] Expense Example
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link:definitionLink
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1120040 - Disclosure - S000001268 [Member] Expense Example, No Redemption
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link:definitionLink
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1120045 - Disclosure - S000001268 [Member] Risks Data
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1120050 - Disclosure - S000001268 [Member] Annual Total Returns
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1120060 - Disclosure - S000001268 [Member] Average Annual Total Returns
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link:definitionLink
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1120070 - Disclosure - S000001268 [Member] Market Index Performance
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link:definitionLink
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1110000 - Disclosure - S000001268 [Member] N-1A Cover
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1110001 - Disclosure - S000001268 [Member] N-1A Supplement
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link:definitionLink
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1210004 - Disclosure - S000001273 [Member] Investment Strategy
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link:definitionLink
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1220030 - Disclosure - S000001273 [Member] Expense Example
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link:definitionLink
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1220045 - Disclosure - S000001273 [Member] Risks Data
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link:definitionLink
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1220050 - Disclosure - S000001273 [Member] Annual Total Returns
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link:definitionLink
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1220060 - Disclosure - S000001273 [Member] Average Annual Total Returns
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link:definitionLink
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1220070 - Disclosure - S000001273 [Member] Market Index Performance
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link:definitionLink
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1210000 - Disclosure - S000001273 [Member] N-1A Cover
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1210001 - Disclosure - S000001273 [Member] N-1A Supplement
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link:definitionLink
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1310004 - Disclosure - S000001245 [Member] Investment Strategy
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1310005 - Disclosure - S000001245 [Member] Investment Risks
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1310006 - Disclosure - S000001245 [Member] Performance Management
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link:definitionLink
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1320010 - Disclosure - S000001245 [Member] Shareholder Fees
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link:definitionLink
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1320020 - Disclosure - S000001245 [Member] Annual Fund Operating Expenses
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1320030 - Disclosure - S000001245 [Member] Expense Example
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link:definitionLink
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1320040 - Disclosure - S000001245 [Member] Expense Example, No Redemption
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1320045 - Disclosure - S000001245 [Member] Risks Data
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1320050 - Disclosure - S000001245 [Member] Annual Total Returns
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1320060 - Disclosure - S000001245 [Member] Average Annual Total Returns
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link:definitionLink
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1320070 - Disclosure - S000001245 [Member] Market Index Performance
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link:definitionLink
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1310000 - Disclosure - S000001245 [Member] N-1A Cover
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1310001 - Disclosure - S000001245 [Member] N-1A Supplement
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link:definitionLink
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1410002 - Disclosure - S000001247 [Member] Investment Objectives and Goals
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link:definitionLink
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1410003 - Disclosure - S000001247 [Member] Fees and Expenses
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link:definitionLink
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1410004 - Disclosure - S000001247 [Member] Investment Strategy
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1410005 - Disclosure - S000001247 [Member] Investment Risks
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1410006 - Disclosure - S000001247 [Member] Performance Management
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1420010 - Disclosure - S000001247 [Member] Shareholder Fees
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link:definitionLink
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1420020 - Disclosure - S000001247 [Member] Annual Fund Operating Expenses
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link:definitionLink
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1420030 - Disclosure - S000001247 [Member] Expense Example
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link:definitionLink
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1420040 - Disclosure - S000001247 [Member] Expense Example, No Redemption
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link:definitionLink
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1420045 - Disclosure - S000001247 [Member] Risks Data
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link:definitionLink
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1420050 - Disclosure - S000001247 [Member] Annual Total Returns
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link:definitionLink
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1420060 - Disclosure - S000001247 [Member] Average Annual Total Returns
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link:definitionLink
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1420070 - Disclosure - S000001247 [Member] Market Index Performance
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link:definitionLink
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1410000 - Disclosure - S000001247 [Member] N-1A Cover
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link:definitionLink
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1410001 - Disclosure - S000001247 [Member] N-1A Supplement
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link:definitionLink
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1510002 - Disclosure - S000019579 [Member] Investment Objectives and Goals
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link:definitionLink
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1510003 - Disclosure - S000019579 [Member] Fees and Expenses
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link:definitionLink
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1510004 - Disclosure - S000019579 [Member] Investment Strategy
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link:definitionLink
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1510005 - Disclosure - S000019579 [Member] Investment Risks
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link:definitionLink
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1510006 - Disclosure - S000019579 [Member] Performance Management
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link:definitionLink
link:calculationLink
1520010 - Disclosure - S000019579 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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1520020 - Disclosure - S000019579 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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1520030 - Disclosure - S000019579 [Member] Expense Example
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link:definitionLink
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1520040 - Disclosure - S000019579 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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1520045 - Disclosure - S000019579 [Member] Risks Data
link:presentationLink
link:definitionLink
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1520050 - Disclosure - S000019579 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1520060 - Disclosure - S000019579 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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1520070 - Disclosure - S000019579 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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1510000 - Disclosure - S000019579 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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1510001 - Disclosure - S000019579 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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1610002 - Disclosure - S000015790 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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1610003 - Disclosure - S000015790 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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1610004 - Disclosure - S000015790 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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1610005 - Disclosure - S000015790 [Member] Investment Risks
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link:definitionLink
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1610006 - Disclosure - S000015790 [Member] Performance Management
link:presentationLink
link:definitionLink
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1620010 - Disclosure - S000015790 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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1620020 - Disclosure - S000015790 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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1620030 - Disclosure - S000015790 [Member] Expense Example
link:presentationLink
link:definitionLink
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1620040 - Disclosure - S000015790 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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1620045 - Disclosure - S000015790 [Member] Risks Data
link:presentationLink
link:definitionLink
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1620050 - Disclosure - S000015790 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1620060 - Disclosure - S000015790 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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1620070 - Disclosure - S000015790 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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1610000 - Disclosure - S000015790 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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1610001 - Disclosure - S000015790 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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1710002 - Disclosure - S000038895 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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1710003 - Disclosure - S000038895 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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1710004 - Disclosure - S000038895 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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1710005 - Disclosure - S000038895 [Member] Investment Risks
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1710006 - Disclosure - S000038895 [Member] Performance Management
link:presentationLink
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1720010 - Disclosure - S000038895 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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1720020 - Disclosure - S000038895 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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1720030 - Disclosure - S000038895 [Member] Expense Example
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1720040 - Disclosure - S000038895 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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1720045 - Disclosure - S000038895 [Member] Risks Data
link:presentationLink
link:definitionLink
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1720050 - Disclosure - S000038895 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
1720060 - Disclosure - S000038895 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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1720070 - Disclosure - S000038895 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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1710000 - Disclosure - S000038895 [Member] N-1A Cover
link:presentationLink
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1710001 - Disclosure - S000038895 [Member] N-1A Supplement
link:presentationLink
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1810002 - Disclosure - S000001252 [Member] Investment Objectives and Goals
link:presentationLink
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1810003 - Disclosure - S000001252 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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1810004 - Disclosure - S000001252 [Member] Investment Strategy
link:presentationLink
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1810005 - Disclosure - S000001252 [Member] Investment Risks
link:presentationLink
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1810006 - Disclosure - S000001252 [Member] Performance Management
link:presentationLink
link:definitionLink
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1820010 - Disclosure - S000001252 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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1820020 - Disclosure - S000001252 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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1820030 - Disclosure - S000001252 [Member] Expense Example
link:presentationLink
link:definitionLink
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1820040 - Disclosure - S000001252 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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1820045 - Disclosure - S000001252 [Member] Risks Data
link:presentationLink
link:definitionLink
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1820050 - Disclosure - S000001252 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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1820060 - Disclosure - S000001252 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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1820070 - Disclosure - S000001252 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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1810000 - Disclosure - S000001252 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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1810001 - Disclosure - S000001252 [Member] N-1A Supplement
link:presentationLink
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1910002 - Disclosure - S000001256 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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1910003 - Disclosure - S000001256 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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1910004 - Disclosure - S000001256 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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1910005 - Disclosure - S000001256 [Member] Investment Risks
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1910006 - Disclosure - S000001256 [Member] Performance Management
link:presentationLink
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1920010 - Disclosure - S000001256 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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1920020 - Disclosure - S000001256 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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1920030 - Disclosure - S000001256 [Member] Expense Example
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link:definitionLink
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1920040 - Disclosure - S000001256 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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1920045 - Disclosure - S000001256 [Member] Risks Data
link:presentationLink
link:definitionLink
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1920050 - Disclosure - S000001256 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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1920060 - Disclosure - S000001256 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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1920070 - Disclosure - S000001256 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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1910000 - Disclosure - S000001256 [Member] N-1A Cover
link:presentationLink
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1910001 - Disclosure - S000001256 [Member] N-1A Supplement
link:presentationLink
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2010002 - Disclosure - S000038896 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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2010003 - Disclosure - S000038896 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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2010004 - Disclosure - S000038896 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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2010005 - Disclosure - S000038896 [Member] Investment Risks
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link:definitionLink
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2010006 - Disclosure - S000038896 [Member] Performance Management
link:presentationLink
link:definitionLink
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2020010 - Disclosure - S000038896 [Member] Shareholder Fees
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link:definitionLink
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2020020 - Disclosure - S000038896 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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2020030 - Disclosure - S000038896 [Member] Expense Example
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link:definitionLink
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2020040 - Disclosure - S000038896 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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2020045 - Disclosure - S000038896 [Member] Risks Data
link:presentationLink
link:definitionLink
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2020050 - Disclosure - S000038896 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2020060 - Disclosure - S000038896 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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2020070 - Disclosure - S000038896 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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2010000 - Disclosure - S000038896 [Member] N-1A Cover
link:presentationLink
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2010001 - Disclosure - S000038896 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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2110002 - Disclosure - S000001259 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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2110003 - Disclosure - S000001259 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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2110004 - Disclosure - S000001259 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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2110005 - Disclosure - S000001259 [Member] Investment Risks
link:presentationLink
link:definitionLink
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2110006 - Disclosure - S000001259 [Member] Performance Management
link:presentationLink
link:definitionLink
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2120010 - Disclosure - S000001259 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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2120020 - Disclosure - S000001259 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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2120030 - Disclosure - S000001259 [Member] Expense Example
link:presentationLink
link:definitionLink
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2120040 - Disclosure - S000001259 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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2120045 - Disclosure - S000001259 [Member] Risks Data
link:presentationLink
link:definitionLink
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2120050 - Disclosure - S000001259 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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2120060 - Disclosure - S000001259 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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2120070 - Disclosure - S000001259 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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2110000 - Disclosure - S000001259 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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2110001 - Disclosure - S000001259 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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2210002 - Disclosure - S000025873 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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2210003 - Disclosure - S000025873 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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2210004 - Disclosure - S000025873 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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2210005 - Disclosure - S000025873 [Member] Investment Risks
link:presentationLink
link:definitionLink
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2210006 - Disclosure - S000025873 [Member] Performance Management
link:presentationLink
link:definitionLink
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2220010 - Disclosure - S000025873 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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2220020 - Disclosure - S000025873 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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2220030 - Disclosure - S000025873 [Member] Expense Example
link:presentationLink
link:definitionLink
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2220040 - Disclosure - S000025873 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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2220045 - Disclosure - S000025873 [Member] Risks Data
link:presentationLink
link:definitionLink
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2220050 - Disclosure - S000025873 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2220060 - Disclosure - S000025873 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2220070 - Disclosure - S000025873 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2210000 - Disclosure - S000025873 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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2210001 - Disclosure - S000025873 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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2310002 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2310003 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2310004 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Investment Strategy
link:presentationLink
link:definitionLink
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2310005 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Investment Risks
link:presentationLink
link:definitionLink
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2310006 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Performance Management
link:presentationLink
link:definitionLink
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link:presentationLink
link:definitionLink
link:calculationLink
2320020 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2320030 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Expense Example
link:presentationLink
link:definitionLink
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link:presentationLink
link:definitionLink
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2320045 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2320050 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2320060 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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2320070 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2310000 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] N-1A Cover
link:presentationLink
link:definitionLink
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2310001 - Disclosure - NORTHERN ULTRASHORT FIXED INCOME FUND [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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2410002 - Disclosure - S000001261 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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link:presentationLink
link:definitionLink
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2410004 - Disclosure - S000001261 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2410005 - Disclosure - S000001261 [Member] Investment Risks
link:presentationLink
link:definitionLink
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2410006 - Disclosure - S000001261 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2420010 - Disclosure - S000001261 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2420020 - Disclosure - S000001261 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2420030 - Disclosure - S000001261 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2420040 - Disclosure - S000001261 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2420045 - Disclosure - S000001261 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2420050 - Disclosure - S000001261 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2420060 - Disclosure - S000001261 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2420070 - Disclosure - S000001261 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2410000 - Disclosure - S000001261 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2410001 - Disclosure - S000001261 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2510002 - Disclosure - S000001249 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2510003 - Disclosure - S000001249 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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2510004 - Disclosure - S000001249 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2510005 - Disclosure - S000001249 [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2510006 - Disclosure - S000001249 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2520010 - Disclosure - S000001249 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2520020 - Disclosure - S000001249 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2520030 - Disclosure - S000001249 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2520040 - Disclosure - S000001249 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2520045 - Disclosure - S000001249 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2520050 - Disclosure - S000001249 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2520060 - Disclosure - S000001249 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2520070 - Disclosure - S000001249 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2510000 - Disclosure - S000001249 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2510001 - Disclosure - S000001249 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2610002 - Disclosure - S000001250 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2610003 - Disclosure - S000001250 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2610004 - Disclosure - S000001250 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2610005 - Disclosure - S000001250 [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2610006 - Disclosure - S000001250 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2620010 - Disclosure - S000001250 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2620020 - Disclosure - S000001250 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2620030 - Disclosure - S000001250 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2620040 - Disclosure - S000001250 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2620045 - Disclosure - S000001250 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2620050 - Disclosure - S000001250 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2620060 - Disclosure - S000001250 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2620070 - Disclosure - S000001250 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2610000 - Disclosure - S000001250 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2610001 - Disclosure - S000001250 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2710002 - Disclosure - S000001251 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2710003 - Disclosure - S000001251 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2710004 - Disclosure - S000001251 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2710005 - Disclosure - S000001251 [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2710006 - Disclosure - S000001251 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2720010 - Disclosure - S000001251 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2720020 - Disclosure - S000001251 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2720030 - Disclosure - S000001251 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2720040 - Disclosure - S000001251 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2720045 - Disclosure - S000001251 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2720050 - Disclosure - S000001251 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2720060 - Disclosure - S000001251 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2720070 - Disclosure - S000001251 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2710000 - Disclosure - S000001251 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2710001 - Disclosure - S000001251 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2810002 - Disclosure - S000001258 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2810003 - Disclosure - S000001258 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2810004 - Disclosure - S000001258 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2810005 - Disclosure - S000001258 [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2810006 - Disclosure - S000001258 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2820010 - Disclosure - S000001258 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
2820020 - Disclosure - S000001258 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2820030 - Disclosure - S000001258 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
2820040 - Disclosure - S000001258 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
2820045 - Disclosure - S000001258 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
2820050 - Disclosure - S000001258 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2820060 - Disclosure - S000001258 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
2820070 - Disclosure - S000001258 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
2810000 - Disclosure - S000001258 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2810001 - Disclosure - S000001258 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
2910002 - Disclosure - S000018524 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
2910003 - Disclosure - S000018524 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
2910004 - Disclosure - S000018524 [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
2910005 - Disclosure - S000018524 [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
2910006 - Disclosure - S000018524 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
2920010 - Disclosure - S000018524 [Member] Shareholder Fees
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link:definitionLink
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2920020 - Disclosure - S000018524 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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2920030 - Disclosure - S000018524 [Member] Expense Example
link:presentationLink
link:definitionLink
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2920040 - Disclosure - S000018524 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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2920045 - Disclosure - S000018524 [Member] Risks Data
link:presentationLink
link:definitionLink
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2920050 - Disclosure - S000018524 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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2920060 - Disclosure - S000018524 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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2920070 - Disclosure - S000018524 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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2910000 - Disclosure - S000018524 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
2910001 - Disclosure - S000018524 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3010002 - Disclosure - S000001260 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3010003 - Disclosure - S000001260 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3010004 - Disclosure - S000001260 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3010005 - Disclosure - S000001260 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3010006 - Disclosure - S000001260 [Member] Performance Management
link:presentationLink
link:definitionLink
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3020010 - Disclosure - S000001260 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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3020020 - Disclosure - S000001260 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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3020030 - Disclosure - S000001260 [Member] Expense Example
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link:definitionLink
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3020040 - Disclosure - S000001260 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3020045 - Disclosure - S000001260 [Member] Risks Data
link:presentationLink
link:definitionLink
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3020050 - Disclosure - S000001260 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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3020060 - Disclosure - S000001260 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3020070 - Disclosure - S000001260 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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3010000 - Disclosure - S000001260 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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3010001 - Disclosure - S000001260 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3110002 - Disclosure - S000024144 [Member] Investment Objectives and Goals
link:presentationLink
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3110003 - Disclosure - S000024144 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3110004 - Disclosure - S000024144 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3110005 - Disclosure - S000024144 [Member] Investment Risks
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3110006 - Disclosure - S000024144 [Member] Performance Management
link:presentationLink
link:definitionLink
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3120010 - Disclosure - S000024144 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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3120020 - Disclosure - S000024144 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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3120030 - Disclosure - S000024144 [Member] Expense Example
link:presentationLink
link:definitionLink
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3120040 - Disclosure - S000024144 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3120045 - Disclosure - S000024144 [Member] Risks Data
link:presentationLink
link:definitionLink
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3120050 - Disclosure - S000024144 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
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3120060 - Disclosure - S000024144 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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3120070 - Disclosure - S000024144 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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3110000 - Disclosure - S000024144 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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3110001 - Disclosure - S000024144 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3210002 - Disclosure - S000012492 [Member] Investment Objectives and Goals
link:presentationLink
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link:presentationLink
link:definitionLink
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3210004 - Disclosure - S000012492 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3210005 - Disclosure - S000012492 [Member] Investment Risks
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3210006 - Disclosure - S000012492 [Member] Performance Management
link:presentationLink
link:definitionLink
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3220010 - Disclosure - S000012492 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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3220020 - Disclosure - S000012492 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
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3220030 - Disclosure - S000012492 [Member] Expense Example
link:presentationLink
link:definitionLink
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3220040 - Disclosure - S000012492 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3220045 - Disclosure - S000012492 [Member] Risks Data
link:presentationLink
link:definitionLink
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3220050 - Disclosure - S000012492 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3220060 - Disclosure - S000012492 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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3220070 - Disclosure - S000012492 [Member] Market Index Performance
link:presentationLink
link:definitionLink
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3210000 - Disclosure - S000012492 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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3210001 - Disclosure - S000012492 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3310002 - Disclosure - S000037667 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3310003 - Disclosure - S000037667 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3310004 - Disclosure - S000037667 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3310005 - Disclosure - S000037667 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3310006 - Disclosure - S000037667 [Member] Performance Management
link:presentationLink
link:definitionLink
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3320010 - Disclosure - S000037667 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3320020 - Disclosure - S000037667 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3320030 - Disclosure - S000037667 [Member] Expense Example
link:presentationLink
link:definitionLink
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3320040 - Disclosure - S000037667 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3320045 - Disclosure - S000037667 [Member] Risks Data
link:presentationLink
link:definitionLink
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3320050 - Disclosure - S000037667 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3320060 - Disclosure - S000037667 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
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3320070 - Disclosure - S000037667 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3310000 - Disclosure - S000037667 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3310001 - Disclosure - S000037667 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3410002 - Disclosure - S000024145 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3410003 - Disclosure - S000024145 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3410004 - Disclosure - S000024145 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3410005 - Disclosure - S000024145 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3410006 - Disclosure - S000024145 [Member] Performance Management
link:presentationLink
link:definitionLink
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3420010 - Disclosure - S000024145 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3420020 - Disclosure - S000024145 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3420030 - Disclosure - S000024145 [Member] Expense Example
link:presentationLink
link:definitionLink
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3420040 - Disclosure - S000024145 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3420045 - Disclosure - S000024145 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3420050 - Disclosure - S000024145 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3420060 - Disclosure - S000024145 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3420070 - Disclosure - S000024145 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3410000 - Disclosure - S000024145 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3410001 - Disclosure - S000024145 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3510002 - Disclosure - S000026479 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3510003 - Disclosure - S000026479 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3510004 - Disclosure - S000026479 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3510005 - Disclosure - S000026479 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3510006 - Disclosure - S000026479 [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
3520010 - Disclosure - S000026479 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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3520020 - Disclosure - S000026479 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3520030 - Disclosure - S000026479 [Member] Expense Example
link:presentationLink
link:definitionLink
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3520040 - Disclosure - S000026479 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3520045 - Disclosure - S000026479 [Member] Risks Data
link:presentationLink
link:definitionLink
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3520050 - Disclosure - S000026479 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3520060 - Disclosure - S000026479 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3520070 - Disclosure - S000026479 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3510000 - Disclosure - S000026479 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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3510001 - Disclosure - S000026479 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3610002 - Disclosure - S000001266 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3610003 - Disclosure - S000001266 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3610004 - Disclosure - S000001266 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3610005 - Disclosure - S000001266 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3610006 - Disclosure - S000001266 [Member] Performance Management
link:presentationLink
link:definitionLink
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3620010 - Disclosure - S000001266 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
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3620020 - Disclosure - S000001266 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3620030 - Disclosure - S000001266 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3620040 - Disclosure - S000001266 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
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3620045 - Disclosure - S000001266 [Member] Risks Data
link:presentationLink
link:definitionLink
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3620050 - Disclosure - S000001266 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3620060 - Disclosure - S000001266 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3620070 - Disclosure - S000001266 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3610000 - Disclosure - S000001266 [Member] N-1A Cover
link:presentationLink
link:definitionLink
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3610001 - Disclosure - S000001266 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
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3710002 - Disclosure - S000001267 [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
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3710003 - Disclosure - S000001267 [Member] Fees and Expenses
link:presentationLink
link:definitionLink
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3710004 - Disclosure - S000001267 [Member] Investment Strategy
link:presentationLink
link:definitionLink
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3710005 - Disclosure - S000001267 [Member] Investment Risks
link:presentationLink
link:definitionLink
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3710006 - Disclosure - S000001267 [Member] Performance Management
link:presentationLink
link:definitionLink
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3720010 - Disclosure - S000001267 [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3720020 - Disclosure - S000001267 [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3720030 - Disclosure - S000001267 [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3720040 - Disclosure - S000001267 [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3720045 - Disclosure - S000001267 [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3720050 - Disclosure - S000001267 [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3720060 - Disclosure - S000001267 [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3720070 - Disclosure - S000001267 [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3710000 - Disclosure - S000001267 [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3710001 - Disclosure - S000001267 [Member] N-1A Supplement
link:presentationLink
link:definitionLink
link:calculationLink
3810002 - Disclosure - Siebert Williams Shank Shares [Member] Investment Objectives and Goals
link:presentationLink
link:definitionLink
link:calculationLink
3810003 - Disclosure - Siebert Williams Shank Shares [Member] Fees and Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3810004 - Disclosure - Siebert Williams Shank Shares [Member] Investment Strategy
link:presentationLink
link:definitionLink
link:calculationLink
3810005 - Disclosure - Siebert Williams Shank Shares [Member] Investment Risks
link:presentationLink
link:definitionLink
link:calculationLink
3810006 - Disclosure - Siebert Williams Shank Shares [Member] Performance Management
link:presentationLink
link:definitionLink
link:calculationLink
3820010 - Disclosure - Siebert Williams Shank Shares [Member] Shareholder Fees
link:presentationLink
link:definitionLink
link:calculationLink
3820020 - Disclosure - Siebert Williams Shank Shares [Member] Annual Fund Operating Expenses
link:presentationLink
link:definitionLink
link:calculationLink
3820030 - Disclosure - Siebert Williams Shank Shares [Member] Expense Example
link:presentationLink
link:definitionLink
link:calculationLink
3820040 - Disclosure - Siebert Williams Shank Shares [Member] Expense Example, No Redemption
link:presentationLink
link:definitionLink
link:calculationLink
3820045 - Disclosure - Siebert Williams Shank Shares [Member] Risks Data
link:presentationLink
link:definitionLink
link:calculationLink
3820050 - Disclosure - Siebert Williams Shank Shares [Member] Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3820060 - Disclosure - Siebert Williams Shank Shares [Member] Average Annual Total Returns
link:presentationLink
link:definitionLink
link:calculationLink
3820070 - Disclosure - Siebert Williams Shank Shares [Member] Market Index Performance
link:presentationLink
link:definitionLink
link:calculationLink
3810000 - Disclosure - Siebert Williams Shank Shares [Member] N-1A Cover
link:presentationLink
link:definitionLink
link:calculationLink
3810001 - Disclosure - Siebert Williams Shank Shares [Member] N-1A Supplement
link:presentationLink
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MSCI All Country World Index (reflects no deduction for fees, expenses, or taxes)
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Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
S000033427 Bloomberg U S Aggregate Bond Index [Member]
C000102783 [Member]
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EMERGING MARKETS RISK [Member]
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HIGH YIELD RISK [Member]
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SMALL AND MID CAP STOCK RISK [Member]
ASSET BACKED AND MORTGAGE BACKED SECURITIES RISK [Member]
PREPAYMENT OR CALL RISK [Member]
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S000001269 [Member]
S&P 500® Index (reflects no deduction for fees, expenses, or taxes)
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C000003415 [Member]
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S000001270 [Member]
MSCI World ex USA Index (reflects no deduction or fees, expenses or taxes)
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C000003416 [Member]
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LARGE CAP CORE FUND
S000001243 [Member]
S&P 500® Index (reflects no deduction for fees, expenses, or taxes)
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C000003389 [Member]
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SMALL CAP STOCK RISK [Member]
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S000001271 [Member]
Russell 1000® Index (reflects no deduction for fees, expenses, or taxes)
S000001271 Russell 1000 Index [Member]
Russell 1000® Value Index (reflects no deduction for fees, expenses, or taxes)
S000001271 Russell 1000 Value Index [Member]
C000003417 [Member]
SMALL CAP VALUE FUND
S000001246 [Member]
Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)
S000001246 Russell 3000 Index [Member]
Russell 2000® Value Index (reflects no deduction for fees, expenses, or taxes)
S000001246 Russell 2000 Value Index [Member]
C000003392 [Member]
SMALL CAP CORE FUND
S000001244 [Member]
Russell 3000® Index (reflects no deduction for fees, expenses, or taxes)
S000001244 Russell 3000 Index [Member]
Russell 2000® Index (reflects no deduction for fees, expenses, or taxes)
S000001244 Russell 2000 Index [Member]
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C000003390 [Member]
Class K
C000219382 [Member]
Class I
C000219383 [Member]
U.S. Quality ESG Fund
S000055816 [Member]
Russell 1000® Index (reflects no deduction for fees, expenses, or taxes)
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C000175729 [Member]
C000219386 [Member]
C000219387 [Member]
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S000005358 [Member]
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MSCI® World Index (reflects no deduction for fees, expenses, or taxes)
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MSCI® ACWI IMI Core Real Estate Index (reflects no deduction for fees, expenses, or taxes)
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C000034255 [Member]
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S000001268 [Member]
MSCI EAFE Index (reflects no deduction for fees, expenses, or taxes)
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C000003414 [Member]
MID CAP INDEX FUND
S000001273 [Member]
S000001273 Russell 3000 Index [Member]
S&P MidCap 400® Index (reflects no deduction for fees, expenses, or taxes)
S000001273 SP Mid Cap 400 Index [Member]
C000003419 [Member]
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S000001245 [Member]
S000001245 Russell 3000 Index [Member]
S000001245 Russell 2000 Index [Member]
C000003391 [Member]
STOCK INDEX FUND
S000001247 [Member]
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C000003393 [Member]
World Selection Index Fund
S000019579 [Member]
S000019579 MSCI World Index [Member]
MSCI World Selection Index (reflects no deduction for fees, expenses, or taxes)
MSCI World Selection Index [Member]
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C000054440 [Member]
C000219384 [Member]
C000219385 [Member]
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S000015790 [Member]
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C000043366 [Member]
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S000038895 [Member]
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C000119673 [Member]
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SOVEREIGN DEBT RISK [Member]
ZERO COUPON OR PAY IN KIND SECURITIES RISK [Member]
RESTRICTED SECURITIES RISK [Member]
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S000001252 [Member]
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C000003398 [Member]
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S000001256 [Member]
Bloomberg Universal Index (reflects no deduction for fees, expenses, or taxes)
S000001256 Bloomberg Universal Index [Member]
Bloomberg U.S. Corporate High Yield 2% Issuer Capped Index (reflects no deduction for fees, expenses, or taxes)
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C000003402 [Member]
DEFAULTED SECURITIES RISK [Member]
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S000038896 [Member]
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Bloomberg 1-3 Year U.S. Government/Credit Index (reflects no deduction for fees, expenses, or taxes)
Bloomberg 1 3 Year U S Government Credit Index [Member]
C000119674 [Member]
LIMITED TERM U.S. GOVERNMENT FUND
S000001259 [Member]
S000001259 Bloomberg U S Aggregate Bond Index [Member]
Bloomberg 1-5 Year U.S. Government Index (reflects no deduction for fees, expenses, or taxes)
Bloomberg 1 5 Year U S Government Index [Member]
C000003405 [Member]
TAX-ADVANTAGED ULTRA-SHORT FIXED INCOME FUND
S000025873 [Member]
Bloomberg U.S. Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)
S000025873 Bloomberg U S Municipal Bond Index [Member]
ICE BofA 6-12 Month Municipal Securities Index (reflects no deduction for fees, expenses, or taxes)
ICE BofA 6 12 Month Municipal Securities Index [Member]
ICE BofA 1-3 Year US Municipal Securities Index (reflects no deduction for fees, expenses, or taxes)
ICE BofA 1 3 Year US Municipal Securities Index [Member]
75% ICE BofA 6-12 Month Municipal Securities Index and 25% ICE BofA 1-3 Year US Municipal Securities Index (reflects no deduction for fees, expenses, or taxes)
seventy five ICE BofA 6 12 Month Municipal Securities Index and 25 ICE BofA 1 3 Year US Municipal Securities Index [Member]
C000077367 [Member]
ALTERNATIVE MINIMUM TAX RISK [Member]
NORTHERN ULTRASHORT FIXED INCOME FUND
NORTHERN ULTRASHORT FIXED INCOME FUND [Member]
ULTRA-SHORT FIXED INCOME FUND
S000025872 [Member]
Bloomberg Global Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)
S000025872 Bloomberg Global Aggregate Bond Index [Member]
ICE BofA 1-Year U.S. Treasury Note Index (reflects no deduction for fees, expenses, or taxes)
S000025872 ICE BofA 1 Year U S Treasury Note Index [Member]
C000077366 [Member]
ULTRA-SHORT FIXED INCOME FUND For Participants
U.S. GOVERNMENT FUND
S000001261 [Member]
S000001261 Bloomberg U S Aggregate Bond Index [Member]
Bloomberg Intermediate U.S. Government Bond Index (reflects no deduction for fees, expenses, or taxes)
S000001261 Bloomberg Intermediate U S Government Bond Index [Member]
C000003407 [Member]
INVESTMENT COMPANY RISKS [Member]
ARIZONA TAX-EXEMPT FUND
S000001249 [Member]
S000001249 Bloomberg U S Municipal Bond Index [Member]
Bloomberg Arizona Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)
S000001249 Bloomberg Arizona Municipal Bond Index [Member]
C000003395 [Member]
ARIZONA SPECIFIC RISK [Member]
MUNICIPAL MARKET VOLATILITY RISK [Member]
MUNICIPAL TAX LIABILITY RISK [Member]
ALTERNATIVE MINIMUM TAX RISKS [Member]
CALIFORNIA INTERMEDIATE TAX-EXEMPT FUND
S000001250 [Member]
S000001250 Bloomberg U S Municipal Bond Index [Member]
Bloomberg California Intermediate Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)
S000001250 Bloomberg California Intermediate Municipal Bond Index [Member]
C000003396 [Member]
CALIFORNIA SPECIFIC RISK [Member]
CALIFORNIA TAX-EXEMPT FUND
S000001251 [Member]
S000001251 Bloomberg U S Municipal Bond Index [Member]
Bloomberg California Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)
S000001251 Bloomberg California Municipal Bond Index [Member]
C000003397 [Member]
INTERMEDIATE TAX-EXEMPT FUND
S000001258 [Member]
S000001258 Bloomberg U S Municipal Bond Index [Member]
Bloomberg Municipal 1 – 15 Year Index (reflects no deduction for fees, expenses, or taxes)
S000001258 Bloomberg Municipal 1 15 Year Index [Member]
C000003404 [Member]
LIMITED TERM TAX-EXEMPT FUND
S000018524 [Member]
S000018524 Bloomberg U S Municipal Bond Index [Member]
Bloomberg 1-5 Year Blend Municipal Bond Index (reflects no deduction for fees, expenses, or taxes)
Bloomberg 1 5 Year Blend Municipal Bond Index [Member]
C000051415 [Member]
TAX-EXEMPT FUND
S000001260 [Member]
S000001260 Bloomberg U S Municipal Bond Index [Member]
C000003406 [Member]
ACTIVE M EMERGING MARKETS EQUITY FUND
S000024144 [Member]
S000024144 MSCI Emerging Markets Index [Member]
C000070886 [Member]
FRONTIER MARKETS RISK [Member]
MULTI MANAGER RISK [Member]
ACTIVE M INTERNATIONAL EQUITY FUND
S000012492 [Member]
MSCI World ex USA IMI Index (reflects no deduction for fees, expenses, or taxes)
S000012492 MSCI World ex USA IMI Index [Member]
C000033959 [Member]
MULTI-MANAGER GLOBAL LISTED INFRASTRUCTURE FUND
S000037667 [Member]
MSCI® All Country World Index (reflects no deduction for fees, expenses, or taxes)
S000037667 MSCI All Country World Index [Member]
S&P Global Infrastructure Index (net dividend return) (reflects no deduction for fees, expenses, or taxes)
S000037667 SAndP Global Infrastructure Index [Member]
C000116140 [Member]
INFRASTRUCTURE SECURITIES CONCENTRATION RISK [Member]
MULTI-MANAGER GLOBAL REAL ESTATE FUND
S000024145 [Member]
S000024145 MSCI All Country World Index [Member]
FTSE EPRA Nareit Developed Index (reflects no deduction for fees, expenses, or taxes)
S000024145 FTSE EPRA Nareit Developed Index [Member]
C000070887 [Member]
ISSUER FOCUS RISK [Member]
MULTI-MANAGER HIGH YIELD OPPORTUNITY FUND
S000026479 [Member]
S000026479 Bloomberg Universal Index [Member]
ICE BofA U.S. High Yield Constrained Index (reflects no deduction for fees, expenses, or taxes)
S000026479 ICE BofA U S High Yield Constrained Index [Member]
C000079432 [Member]
LOAN RISK [Member]
U.S. GOVERNMENT MONEY MARKET FUND
S000001266 [Member]
C000003412 [Member]
STABLE NAV RISK [Member]
VARIABLE OR FLOATING RATE INSTRUMENTS RISK [Member]
INCOME RISK [Member]
CASH POSITIONS RISK [Member]
LARGE SHAREHOLDER RISK [Member]
U.S. GOVERNMENT SELECT MONEY MARKET FUND
S000001267 [Member]
C000003413 [Member]
Siebert Williams Shank Shares
Siebert Williams Shank Shares [Member]
S000025872 I C E Bofa 1 Year U S Treasury Note Index1 [Member]
C000232975 [Member]