Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Related Party and Party-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] Document Information [Line Items] Document Information [Line Items] Note Receivable from Participant, Account, Maximum Borrowing, Amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Participant Contribution, Receivable EBP, Participant Contribution, Receivable EBP, Description of Plan and Accounting Change [Abstract] EBP, Allocation Status [Domain] EBP, Allocation Status [Domain] Investment Type [Axis] Investment Type [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage EBP, Investment, Number of Shares EBP, Investment, Number of Shares EBP, Tax Status EBP, Tax Status [Text Block] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain] EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Dividends and interest EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] EBP, Tax Qualification Status [Extensible Enumeration] EBP, Tax Qualification Status [Extensible Enumeration] EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Form 5500 Caption, Net Assets EBP, Form 5500 Caption, Net Assets EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Text Block] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Administrative Expenses EBP, Expense [Policy Text Block] Total contribution EBP, Change in Net Asset Available for Benefit, Increase from Contribution EBP, Form 5500 Caption, Net Income EBP, Form 5500 Caption, Net Income (Loss) Measurement Input Type [Domain] Measurement Input Type [Domain] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Benefits paid to partipants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Employer Contribution, Receivable EBP, Employer Contribution, Receivable EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis] EBP, Participant-Directed and Nonparticipant-Directed Status [Domain] EBP, Participant-Directed and Nonparticipant-Directed Status [Domain] Payment to Participant EBP, Payment to Participant [Policy Text Block] NET ASSETS AVAILABLE FOR BENEFIT Beginning of year End of year Net Asset Available for Benefit EBP, Net Asset Available for Benefit EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] TOTAL ASSETS EBP, Asset Termination vested balance to Cash Out Termination vested balance to Cash Out Termination vested balance to Cash Out EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Employer, Common Stock EBP, Employer, Common Stock [Member] Participant Contribution, Automatic, Deferral Rate EBP, Participant Contribution, Automatic, Deferral Rate Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Tax Status [Abstract] NET INCREASE EBP, Change in Net Asset Available for Benefit, Increase EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Cover [Abstract] Maximum Maximum [Member] Employer cash contribution EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Asset EBP, Asset [Abstract] Participant Contribution, Annual Compensation to Total Compensation, Percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Minimum Minimum [Member] Disclosure Text Block [Abstract] Disclosure Text Block [Abstract] EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment EBP, Schedule of Asset Held for Investment [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Entity [Domain] Entity [Domain] EBP, Asset Held for Investment EBP, Asset Held for Investment Target Date Fund Target Date Fund [Member] Target Date Fund Investment, Identifier [Axis] Investment, Identifier [Axis] Document Fiscal Year Focus Document Fiscal Year Focus EBP, Allocation Status [Axis] EBP, Allocation Status [Axis] EBP 006 EBP 006 [Member] EBP 006 EBP, Tax Determination Letter, Obtained [true false] EBP, Tax Determination Letter, Obtained [true false] EBP, Investment, Fair Value and NAV [Abstract] Employer Contribution, Matching percentage EBP, Employer Contribution, Matching Percentage Basis of Accounting EBP, Basis of Accounting [Policy Text Block] Text Block [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Investment, Fair Value [Abstract] EBP, Investment, Fair Value [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Mutual Fund Mutual Fund [Member] EBP, Description of Plan [Table] EBP, Description of Plan [Table] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Amendment Flag Amendment Flag Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Common Collective Trust Common Collective Trust [Member] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Plan Termination EBP, Plan Termination [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Statement of Net Asset Available for Benefit [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution EBP, Description of Plan EBP, Description of Plan [Text Block] EBP, Tax Determination Letter, Date EBP, Tax Determination Letter, Date EBP, Summary of Accounting Policy EBP, Summary of Accounting Policy [Text Block] Participant Contribution EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution Document Period End Date Document Period End Date Note Receivable from Participant EBP, Note Receivable from Participant [Policy Text Block] EBP, Participant-Directed and Nonparticipant-Directed Status [Axis] EBP, Participant-Directed and Nonparticipant-Directed Status [Axis] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Entity Central Index Key Entity Central Index Key EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Investments, at fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Legal Entity [Axis] Legal Entity [Axis] Entity Tax Identification Number Entity Tax Identification Number Net investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] EBP, Plan Number EBP, Plan Number CONTRIBUTIONS: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Issuer Name [Extensible Enumeration] Document Type Document Type Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Form 5500 Caption, Net Assets [Abstract] EBP, Form 5500 Caption, Net Assets [Abstract] Use of Estimate EBP, Use of Estimate [Policy Text Block] Form 5500 Caption, Net Income (Loss) [Abstract] EBP, Form 5500 Caption, Net Income (Loss) [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] DEDUCTIONS: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Note Receivable from Participant EBP, Note Receivable from Participant Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] EBP, Schedule of Asset Held for Investment EBP, Schedule of Asset Held for Investment [Table Text Block] CONTRIBUTIONS: EBP, Change in Net Asset Available for Benefit, Increase [Abstract] EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Less: Increase from Deemed Distributions to Participants EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Deemed Distribution EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Add: Interest on Deemed Distributions EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Contract Value to Current Value Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Cash EBP, Noninterest-Bearing Cash EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Investments [Domain] Investments [Domain] EBP, Liability to Participant EBP, Liability to Participant EBP, Self-Directed Brokerage Account EBP, Self-Directed Brokerage Account [Member] Document Information [Table] Document Information [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Entity Registrant Name Entity Registrant Name Subsequent Event EBP, Subsequent Event [Text Block] Employee benefit plan plan investment options by type number Employee benefit plan plan investment options by type number Employee benefit plan plan investment options by type number Contribution EBP, Contribution [Table Text Block] INVESTMENT INCOME: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] EBP, Accounting Policy [Line Items] EBP, Accounting Standard Update and Change in Accounting Principle [Line Items] EBP, Tax Status [Table] EBP, Tax Status [Table] EBP, Investment, Excluding Plan Interest in Master Trust, Cost EBP, Investment, Excluding Plan Interest in Master Trust, Cost Receivables: EBP, Receivable [Abstract] Fair Value, Inputs, Level 1, Level 2, and Level 3 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Total receivables EBP, Receivable Employer Contribution, Participant Compensation Matched, Percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage Risk and Uncertainty EBP, Risk and Uncertainty [Text Block] Qualified Plan [Member] Vanguard Group [Member] Vanguard Group IDACORP, Inc. [Member] IDACORP, Inc. Harbor Funds [Member] Harbor Funds American Funds Group [Member] American Funds Group T. Rowe Price [Member] T. Rowe Price Dodge & Cox Funds Group [Member] Dodge & Cox Funds Group MFS [Member] MFS Putman Investment Group [Member] Putman Investment Group Invesco Investments [Member] Invesco Investments Dimensional Fund Advisors [Member] Dimensional Fund Advisors Causeway Funds [Member] Causeway Funds Payden Funds [Member] Payden Funds RBC Funds [Member] RBC Funds Baird Funds [Member] Baird Funds Credit Suisse Funds [Member] Credit Suisse Funds Wasatch Frontier Funds [Member] Wasatch Frontier Funds