Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.44	%
Total Annual Fund Operating Expenses		1.10	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class F Shares				$	112			$	350			$	606			$	1,340

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.57	%
Acquired Fund Fees and Expenses (AFFE)		0.29	%
Total Annual Fund Operating Expenses		0.96	%^†

^† Because the Defensive Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Allocation Fund — Class F Shares				$	98			$	306			$	531			$	1,178

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.50	%
Total Annual Fund Operating Expenses		1.15	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class F Shares				$	117			$	365			$	633			$	1,398

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 7% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.60	%
Total Annual Fund Operating Expenses		1.26	%^†

^† Because the Conservative Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Allocation Fund — Class F Shares				$	128			$	400			$	692			$	1,523

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.24	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class F Shares				$	126			$	393			$	681			$	1,500

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 12% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.61	%
Total Annual Fund Operating Expenses		1.27	%^†

^† Because the Moderate Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Allocation Fund — Class F Shares				$	129			$	403			$	697			$	1,534

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.53	%
Total Annual Fund Operating Expenses		1.18	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class F Shares				$	120			$	375			$	649			$	1,432

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Tax-Managed Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.72	%
Total Annual Fund Operating Expenses		1.37	%^†

^† Because the Tax-Managed Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Tax-Managed Aggressive Strategy Fund — Class F Shares				$	139			$	434			$	750			$	1,646

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 7% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.25	%^†

^† Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class F Shares				$	127			$	397			$	686			$	1,511

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.72	%
Total Annual Fund Operating Expenses		1.38	%^†

^† Because the Core Market Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Allocation Fund — Class F Shares				$	140			$	437			$	755			$	1,657

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 6% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		None
Other Expenses*		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.58	%
Total Annual Fund Operating Expenses		1.24	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class F Shares				$	126			$	393			$	681			$	1,500

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 16% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class F Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.72	%
Total Annual Fund Operating Expenses		1.37	%^†

^† Because the Market Growth Strategy Allocation Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Allocation Fund — Class F Shares				$	139			$	434			$	750			$	1,646

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 6% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.44	%
Total Annual Fund Operating Expenses		1.85	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class D Shares				$	188			$	582			$	1,001			$	2,169

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.50	%
Total Annual Fund Operating Expenses		1.90	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class D Shares				$	193			$	597			$	1,026			$	2,222

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 7% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.99	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class D Shares				$	202			$	624			$	1,073			$	2,317

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 12% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.55	%
Acquired Fund Fees and Expenses (AFFE)		0.53	%
Total Annual Fund Operating Expenses		1.93	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class D Shares				$	196			$	606			$	1,042			$	2,254

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		2.00	%^†

^† Because the Core Market Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class D Shares				$	203			$	627			$	1,078			$	2,327

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class D Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		0.75	%
Other Expenses*		0.56	%
Acquired Fund Fees and Expenses (AFFE)		0.58	%
Total Annual Fund Operating Expenses		1.99	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class D Shares				$	202			$	624			$	1,073			$	2,317

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 16% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.81	%
Acquired Fund Fees and Expenses (AFFE)		0.44	%
Total Annual Fund Operating Expenses		1.35	%^†

^† Because the Defensive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Defensive Strategy Fund — Class I Shares				$	137			$	428			$	739			$	1,624

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.50	%
Total Annual Fund Operating Expenses		1.40	%^†

^† Because the Conservative Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Conservative Strategy Fund — Class I Shares				$	143			$	443			$	766			$	1,680

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 7% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.49	%^†

^† Because the Moderate Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Moderate Strategy Fund — Class I Shares				$	152			$	471			$	813			$	1,779

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 12% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.80	%
Acquired Fund Fees and Expenses (AFFE)		0.53	%
Total Annual Fund Operating Expenses		1.43	%^†

^† Because the Aggressive Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Aggressive Strategy Fund — Class I Shares				$	146			$	452			$	782			$	1,713

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 15% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

The operating expenses in this fee table will not correlate to the expense ratio in the financial statements for the Core Market Strategy Fund (Fund). The financial statements include direct operating expenses incurred by the Fund. Due to the de minimis asset levels of Class I during the most recent fiscal year, the expenses in this table are estimates, based on expenses incurred by the Fund's other share classes, as adjusted for Class I expenses. In addition, the fee table includes AFFE for the most recent fiscal year, but the financial statements do not include the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees		0.10	%
Distribution (12b-1) Fees		None
Other Expenses		0.81	%
Acquired Fund Fees and Expenses (AFFE)		0.59	%
Total Annual Fund Operating Expenses		1.50	%^†

^† The operating expenses in this fee table will not correlate to the expense ratio in the financial statements for the Core Market Strategy Fund (Fund). The financial statements include direct operating expenses incurred by the Fund. Due to the de minimis asset levels of Class I during the most recent fiscal year, the expenses in this table are estimates, based on expenses incurred by the Fund's other share classes, as adjusted for Class I expenses. In addition, the fee table includes AFFE for the most recent fiscal year, but the financial statements do not include the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Core Market Strategy Fund — Class I Shares				$	153			$	474			$	818			$	1,791

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 14% of the average value of its portfolio.

Expense Heading [Optional Text]

Fees and Expenses

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Annual Fund Operating Expenses [Table]

(expenses that you pay each year as a percentage of the value of your investment)	Class I Shares
Management Fees*		0.10	%
Distribution (12b-1) Fees		None
Other Expenses*		0.81	%
Acquired Fund Fees and Expenses (AFFE)		0.58	%
Total Annual Fund Operating Expenses		1.49	%^†

^† Because the Market Growth Strategy Fund (Fund) incurred AFFE during the most recent fiscal year, the operating expenses in this fee table will not correlate to the expense ratio in the Fund's financial statements (or the "Financial Highlights" section in the prospectus) because the financial statements include only the direct operating expenses incurred by the Fund, not the indirect costs of investing in underlying funds.

Expense Example Narrative [Text Block]

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem or hold all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same.

Expense Example, With Redemption [Table]

				1 Year				3 Years				5 Years				10 Years
Market Growth Strategy Fund — Class I Shares				$	152			$	471			$	813			$	1,779

Portfolio Turnover [Text Block]

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 16% of the average value of its portfolio.