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RETIREMENT PLANS - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2025 USD ($) retirementPlan shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2009
Retirement Plans [Line Items] |  |  |  |
Number of supplemental non-qualified retirement plans sponsored by the corporation | retirementPlan | 2 |  |  |
Consecutive calendar years used to calculate BRP benefits |  |  |  | 5 years
Term of employment for consideration of BRP |  |  |  | 10 years
Percentage of non callable corporate bonds | 10.00% | 10.00% |  |
Benefits paid | $ 12,000,000 | $ 11,000,000 |  |
Corporation contribution | $ 3,000,000 | 2,000,000 |  |
Percent of employer match | 100.00% |  |  |
Employee contribution percentage | 6.00% |  |  |
Additional discretionary contribution, annual financial goals, percentage | 3.00% |  |  |
Dividends received on common stock | $ 100,000 | $ 100,000 |  |
Common Stock |  |  |  |
Retirement Plans [Line Items] |  |  |  |
Common stock, shares (in shares) | shares | 155,000 | 235,000 |  |
Percentage of common stock on total plan assets | 1.40% | 1.90% |  |
Retirement Income Plan (RIP) |  |  |  |
Retirement Plans [Line Items] |  |  |  |
Corporation contribution | $ 0 | $ 0 | $ 0 |
Qualified Pension Plans |  |  |  |
Retirement Plans [Line Items] |  |  |  |
Benefits paid | 9,300,000 | 9,500,000 |  |
Non Qualified Pension Plans |  |  |  |
Retirement Plans [Line Items] |  |  |  |
Benefits paid | $ 2,900,000 | $ 1,600,000 |  |

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- Definition Retirement Plans [Line Items] + References No definition available. + Details
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