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EMPLOYEE BENEFITS (Tables) | 12 Months Ended
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Dec. 31, 2025
Retirement Benefits [Abstract] |
Summary of Pension Plan's Actual and Target Asset Allocations | The following is a summary of the pension plan's actual and target asset allocations at December 31, 2025 and 2024 by asset category:
|  |  |  |  |  |  |  |  | Target
Pension plan assets | 2025 |  | % of Total |  | 2024 |  | % of Total |  | Allocation
Hedge portfolio: |  |  | 79.2 | % |  |  |  | 77.6 | % |  | 80 | %
Fixed maturity securities: |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 153,149 |  |  | 63.3 | % |  | $ | 147,336 |  |  | 61.1 | % |  |
Foreign bonds | 18,265 |  |  | 7.5 |  |  | 15,960 |  |  | 6.6 |  |  |
Federal agency | 4,578 |  |  | 1.9 |  |  | 5,185 |  |  | 2.1 |  |  |
U.S. Treasury bonds | 285 |  |  | 0.1 |  |  | — |  |  | — |  |  |
Private placement | 2,423 |  |  | 1.0 |  |  | 3,319 |  |  | 1.4 |  |  |
Mortgage/asset backed securities | 724 |  |  | 0.3 |  |  | 732 |  |  | 0.3 |  |  |
Money market funds | 1,480 |  |  | 0.6 |  |  | 546 |  |  | 0.2 |  |  |
Pooled separate accounts: |  |  |  |  |  |  |  |  |
Liquid assets separate account fund | 5,274 |  |  | 2.2 |  |  | 8,872 |  |  | 3.7 |  |  |
Short-term income separate account fund | 5,584 |  |  | 2.3 |  |  | 5,169 |  |  | 2.1 |  |  |
Return seeking portfolio: |  |  | 20.8 | % |  |  |  | 22.4 | % |  | 20 | %
Pooled separate accounts: |  |  |  |  |  |  |  |  |
U.S. property separate account fund | — |  |  | — |  |  | 6,688 |  |  | 2.8 |  |  |
LargeCap S&P 500 index | 33,397 |  |  | 13.8 |  |  | 31,968 |  |  | 13.3 |  |  |
MidCap S&P 400 index | 6,699 |  |  | 2.8 |  |  | 6,227 |  |  | 2.6 |  |  |
SmallCap S&P 600 index | 4,421 |  |  | 1.8 |  |  | 4,163 |  |  | 1.7 |  |  |
International equity index | 5,705 |  |  | 2.4 |  |  | 5,017 |  |  | 2.1 |  |  |
Total plan assets | $ | 241,984 |  |  | 100.0 | % |  | $ | 241,182 |  |  | 100.0 | % |  | 100.0 | %
Summary of Categorization of the Pension Plan's Assets Measured at Fair Value on Recurring Basis | The following tables present the categorization of the pension plan's assets measured at fair value on a recurring basis at December 31, 2025 and 2024:
|  |  | Fair Value Measurements
Description | December 31, 2025 |  | Level 1 |  | Level 2 |  | Level 3
Fixed maturity securities |  |  |  |  |  |  |
Corporate bonds | $ | 153,149 |  |  | $ | — |  |  | $ | 153,149 |  |  | $ | — |
Foreign bonds | 18,265 |  |  | — |  |  | 18,265 |  |  | — |
Federal agency | 4,578 |  |  | — |  |  | 4,578 |  |  | — |
U.S. Treasury bonds | 285 |  |  | — |  |  | 285 |  |  | — |
Private placement | 2,423 |  |  | — |  |  | 2,423 |  |  | — |
Mortgage/asset backed securities | 724 |  |  | — |  |  | 724 |  |  | — |
Money market funds | 1,480 |  |  | 1,480 |  |  | — |  |  | — |
Pooled separate accounts: |  |  |  |  |  |  |
Liquid assets separate account fund | 5,274 |  |  | — |  |  | 5,274 |  |  | — |
Short-term income separate account fund | 5,584 |  |  | 5,584 |  |  | — |  |  | — |
LargeCap S&P 500 index | 33,397 |  |  | 33,397 |  |  | — |  |  | — |
MidCap S&P 400 index | 6,699 |  |  | 6,699 |  |  | — |  |  | — |
SmallCap S&P 600 index | 4,421 |  |  | 4,421 |  |  | — |  |  | — |
International equity index | 5,705 |  |  | 5,705 |  |  | — |  |  | — |
Total assets measured at fair value | $ | 241,984 |  |  | $ | 57,286 |  |  | $ | 184,698 |  |  | $ | — |
|  |  | Fair Value Measurements
Description | December 31, 2024 |  | Level 1 |  | Level 2 |  | Level 3
Fixed maturity securities |  |  |  |  |  |  |
Corporate bonds | $ | 147,336 |  |  | $ | — |  |  | $ | 147,336 |  |  | $ | — |
Foreign bonds | 15,960 |  |  | — |  |  | 15,960 |  |  | — |
Federal agency | 5,185 |  |  | — |  |  | 5,185 |  |  | — |
Private placement | 3,319 |  |  | — |  |  | 3,319 |  |  | — |
Mortgage/asset backed securities | 732 |  |  | — |  |  | 732 |  |  | — |
Money market Funds | 546 |  |  | 546 |  |  | — |  |  | — |
Pooled separate accounts |  |  |  |  |  |  |
Liquid assets separate account fund | 8,872 |  |  | — |  |  | 8,872 |  |  | — |
Short-term income separate account fund | 5,169 |  |  | 5,169 |  |  | — |  |  | — |
U.S. property separate account fund | 6,688 |  |  | — |  |  | — |  |  | 6,688 |
LargeCap S&P 500 index | 31,968 |  |  | 31,968 |  |  | — |  |  | — |
MidCap S&P 400 index | 6,227 |  |  | 6,227 |  |  | — |  |  | — |
SmallCap S&P 600 index | 4,163 |  |  | 4,163 |  |  | — |  |  | — |
International equity index | 5,017 |  |  | 5,017 |  |  | — |  |  | — |
Total assets measured at fair value | $ | 241,182 |  |  | $ | 53,090 |  |  | $ | 181,404 |  |  | $ | 6,688 |
Summary of Changes in Fair Value of Pension Plan's Level 3 Securities | The following tables provide a summary of the changes in fair value of the pension plan's Level 3 securities:
| U.S. property separate account fund
Balance at January 1, 2025 | $ | 6,688 |
Realized gains | 32 |
Transfers out | (6,720) |
Balance at December 31, 2025 | $ | — |
| U.S. property separate account fund
Balance at January 1, 2024 | $ | 25,407 |
Unrealized losses | (564) |
Expenses | (54) |
Transfers out | (18,101) |
Balance at December 31, 2024 | $ | 6,688 |
Summary of Assumptions Used to Determine Net Periodic Benefit Cost | The following actuarial assumptions were used to determine the reported plan benefit obligations at December 31:
| Pension Benefits
Weighted-average assumptions as of December 31 | 2025 |  | 2024
Discount rate | 5.46 | % |  | 5.54 | %
Interest crediting rate | 4.00 |  |  | 4.00 |
Rate of compensation increase | 4.00 |  |  | 4.00 |
The following actuarial assumptions were used at January 1 to determine our reported net periodic benefit costs for the year ended December 31:
| Pension Benefits
January 1, | 2025 |  | 2024 |  | 2023
Discount rate | 5.54 | % |  | 4.93 | % |  | 5.15 | %
Expected long-term rate of return on plan assets | 5.90 |  |  | 5.70 |  |  | 6.70 |
Rate of compensation increase | 4.00 |  |  | 4.00 |  |  | 3.00 |
Summary of Reconciliation of Benefit Obligations, Plan Assets, and Funded Status | The following table provides a reconciliation of benefit obligations, plan assets and funded status of our plans:
| Pension Benefits
Years Ended December 31, | 2025 |  | 2024
Reconciliation of benefit obligation |  |  |
Benefit obligation at beginning of year (2) | $ | 180,324 |  |  | $ | 209,867 |
Service cost | 3,340 |  |  | 3,287 |
Interest cost | 9,586 |  |  | 9,913 |
Actuarial loss (gain) | 2,708 |  |  | (15,634) |
Benefit payments | (19,387) |  |  | (9,350) |
Settlement - lump sums paid | — |  |  | (17,759) |
Benefit obligation at end of year (1) | $ | 176,571 |  |  | $ | 180,324 |
Reconciliation of fair value of plan assets |  |  |
Fair value of plan assets at beginning of year (2) | $ | 241,182 |  |  | $ | 263,893 |
Actual return on plan assets | 20,189 |  |  | 4,398 |
Benefit payments | (19,387) |  |  | (9,350) |
Settlement - lump sums paid | — |  |  | (17,759) |
Fair value of plan assets at end of year | $ | 241,984 |  |  | $ | 241,182 |
Funded status at end of year | $ | 65,413 |  |  | $ | 60,858 |
(1)For the pension plan, the benefit obligation is the projected benefit obligation. (2)For end of year 2023 benefit obligation and fair value, an adjustment of 13 (thousand) was made reflecting an estimate provided to the current sole-custodian of the fund assets from a separate third-party managed custodian. The beginning of year 2024 balances were updated to reflect actual valuation as there is now only one custodian of fund assets.
Summary of Amounts Recognized in AOCI | The following table displays the effect that the unrecognized prior service cost and unrecognized actuarial loss of our plan had on accumulated other comprehensive income ("AOCI"), as reported in the accompanying Consolidated Balance Sheets:
|  | Pension Benefits
Years Ended December 31 |  | 2025 |  | 2024
Amounts recognized in AOCI |  |  |  |
Unrecognized prior service cost |  | $ | (14,328) |  |  | $ | (17,224) |
Unrecognized actuarial (gain) loss |  | (9,164) |  |  | (5,131) |
Total amounts recognized in AOCI |  | $ | (23,492) |  |  | $ | (22,354) |
Summary of Components of Net Periodic Benefit Cost | The components of the net periodic benefit cost for our pension plan are as follows:
| Pension Plan
Years Ended December 31, | 2025 |  | 2024 |  | 2023
Net periodic benefit cost |  |  |  |  |
Service cost | $ | 3,340 |  |  | $ | 3,287 |  |  | $ | 3,817 |
Interest cost | 9,586 |  |  | 9,913 |  |  | 10,106 |
Expected return on plan assets | (13,585) |  |  | (14,541) |  |  | (15,025) |
Amortization of prior service cost | (2,896) |  |  | (2,896) |  |  | (3,280) |
Effect of partial curtailment | — |  |  | (506) |  |  | (2,666) |
Amortization of net loss | — |  |  | — |  |  | 207 |
Net periodic benefit cost | $ | (3,555) |  |  | $ | (4,743) |  |  | $ | (6,841) |
Summary of Projected Benefit Payments | The following table summarizes the expected benefits to be paid from our plan over the next 10 years:
|  | 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | 2031-2035
Pension benefits |  | $ | 14,750 |  |  | $ | 13,260 |  |  | $ | 13,700 |  |  | $ | 13,930 |  |  | $ | 14,500 |  |  | $ | 74,030 |

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