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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2025
Retirement Benefits [Abstract] |
Schedule of Changes in Benefit Obligation and Plan Assets | Changes in benefit obligation and plan assets and amounts recognized in the Consolidated Balance Sheets at December 31, were as follows:
| Pension Benefits |  | Other Postretirement Benefits
| 2025 |  | 2024 |  | 2025 |  | 2024
| (In thousands)
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation at beginning of year | $ | 30,720 |  |  | $ | 33,380 |  |  | $ | 14,055 |  |  | $ | 14,759 |
Service cost | — |  |  | — |  |  | 364 |  |  | 372 |
Interest cost | 1,583 |  |  | 1,542 |  |  | 745 |  |  | 697 |
Actuarial (gain) loss | 583 |  |  | (1,549) |  |  | 1,628 |  |  | (1,221) |
Benefits paid | (2,559) |  |  | (2,653) |  |  | (570) |  |  | (552) |
Benefit obligation at end of year | 30,327 |  |  | 30,720 |  |  | 16,222 |  |  | 14,055 |
Change in net plan assets: |  |  |  |  |  |  |
Fair value of plan assets at beginning of year | 30,375 |  |  | 30,187 |  |  | — |  |  | — |
Actual return on plan assets | 2,564 |  |  | 741 |  |  | — |  |  | — |
Employer contribution | — |  |  | 2,100 |  |  | 570 |  |  | 552 |
Benefits paid | (2,559) |  |  | (2,653) |  |  | (570) |  |  | (552) |
Fair value of net plan assets at end of year | 30,380 |  |  | 30,375 |  |  | — |  |  | — |
Funded status - over (under) | $ | 53 |  |  | $ | (345) |  |  | $ | (16,222) |  |  | $ | (14,055) |
Amounts recognized in the Consolidated Balance Sheets at December 31: |  |  |  |  |  |  |
Other accrued assets | $ | 533 |  |  | $ | 140 |  |  | $ | — |  |  | $ | — |
Other accrued liabilities | — |  |  | — |  |  | 795 |  |  | 702 |
Noncurrent liabilities - other | 480 |  |  | 485 |  |  | 15,427 |  |  | 13,353 |
Benefit obligation assets (liabilities) - net | $ | 53 |  |  | $ | (345) |  |  | $ | (16,222) |  |  | $ | (14,055) |
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |  |  |  |  |
Actuarial (gain) loss | $ | 15,995 |  |  | $ | 16,742 |  |  | $ | (1,815) |  |  | $ | (3,663) |
Prior service credit | — |  |  | — |  |  | — |  |  | — |
Total | $ | 15,995 |  |  | $ | 16,742 |  |  | $ | (1,815) |  |  | $ | (3,663) |
Schedule of Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets | The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December 31, were as follows:
| 2025 |  | 2024
| (In thousands)
Projected benefit obligation | $ | 30,327 |  |  | $ | 30,720 |
Accumulated benefit obligation | $ | 30,327 |  |  | $ | 30,720 |
Fair value of plan assets | $ | 30,380 |  |  | $ | 30,375 |
Schedule of Net Benefit Costs | The components related to our pension and other postretirement benefit plans for the years ended December 31, were as follows:
| Pension Benefits |  | Other Postretirement Benefits
| 2025 |  | 2024 |  | 2023 |  | 2025 |  | 2024 |  | 2023
| (In thousands)
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 364 |  |  | $ | 372 |  |  | $ | 361 |
Interest cost | 1,583 |  |  | 1,542 |  |  | 1,633 |  |  | 745 |  |  | 697 |  |  | 721 |
Expected return on assets | (1,788) |  |  | (1,812) |  |  | (1,800) |  |  | — |  |  | — |  |  | 11 |
Amortization of prior service credit | — |  |  | — |  |  | — |  |  | — |  |  | (30) |  |  | (79) |
Amortization of actuarial gain (loss) | 554 |  |  | 559 |  |  | 510 |  |  | (220) |  |  | (118) |  |  | (175) |
Net periodic benefit cost | 349 |  |  | 289 |  |  | 343 |  |  | 889 |  |  | 921 |  |  | 839 |
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |
Net (gain) loss | (193) |  |  | (479) |  |  | (797) |  |  | 1,628 |  |  | (1,221) |  |  | (678) |
Amortization of actuarial gain (loss) | (554) |  |  | (559) |  |  | (510) |  |  | 220 |  |  | 118 |  |  | 175 |
Amortization of prior service credit | — |  |  | — |  |  | — |  |  | — |  |  | 30 |  |  | 79 |
Total recognized in accumulated other comprehensive loss | (747) |  |  | (1,038) |  |  | (1,307) |  |  | 1,848 |  |  | (1,073) |  |  | (424) |
Total recognized in net periodic benefit cost and accumulated other comprehensive loss | $ | (398) |  |  | $ | (749) |  |  | $ | (964) |  |  | $ | 2,737 |  |  | $ | (152) |  |  | $ | 415 |
The components of net periodic benefit cost are included in other income (expense) on the Consolidated Statements of Operations. The components related to our participation in the nonqualified defined benefit plans for the years ended December 31, were as follows:
| 2025 |  | 2024 |  | 2023
| (In thousands)
Components of net periodic benefit cost: |  |  |  |  |
Interest cost | $ | 720 |  |  | $ | 714 |  |  | $ | 765 |
Recognized net actuarial loss | — |  |  | — |  |  | — |
Net periodic benefit cost | $ | 720 |  |  | $ | 714 |  |  | $ | 765 |
Schedule of Defined Benefit Plan, Assumptions | Weighted average assumptions used to determine benefit obligations at December 31, were as follows:
| Pension Benefits |  | Other Postretirement Benefits
| 2025 |  | 2024 |  | 2025 |  | 2024
Discount rate | 5.21 | % |  | 5.40 | % |  | 5.32 | % |  | 5.44 | %
Expected return on plan assets | 6.00 | % |  | 6.00 | % |  | — | % |  | — | %
Rate of compensation increase | N/A |  | N/A |  | 3.50 | % |  | 4.00 | %
Weighted average assumptions used to determine net periodic benefit cost for the years ended December 31, were as follows:
| Pension Benefits |  | Other Postretirement Benefits
| 2025 |  | 2024 |  | 2025 |  | 2024
Discount rate | 5.40 | % |  | 4.83 | % |  | 5.44 | % |  | 4.84 | %
Expected return on plan assets | 6.00 | % |  | 6.50 | % |  | — | % |  | — | %
Rate of compensation increase | N/A |  | N/A |  | 4.00 | % |  | 4.00 | %
Schedule of Health Care Cost Trend Rates | Health care rate assumptions for our other postretirement benefit plans as of December 31, were as follows:
| 2025 |  | 2024
Health care trend rate assumed for next year | 9.5 | % |  | 8.5 | %
Health care cost trend rate – ultimate | 4.5 | % |  | 4.5 | %
Year in which ultimate trend rate achieved | 2036 |  | 2035
Schedule of Expected Benefit Payments | The following benefit payments, which reflect future service, as appropriate, at December 31, 2025, are as follows:
Years |  | Pension Benefits |  | Other Postretirement Benefits |
|  | (In thousands)
2026 |  | $ | 2,780 |  |  | $ | 795 |  |
2027 |  | 2,720 |  |  | 978 |  |
2028 |  | 2,660 |  |  | 1,152 |  |
2029 |  | 2,630 |  |  | 1,235 |  |
2030 |  | 2,570 |  |  | 1,366 |  |
2031-2035 |  | 11,690 |  |  | 7,621 |  |
The amount of future benefit payments for the unfunded, nonqualified defined benefit plans at December 31, 2025 are expected to aggregate as follows:
| 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | 2031-2035
| (In thousands)
Nonqualified benefits | $ | 1,690 |  |  | $ | 1,640 |  |  | $ | 1,680 |  |  | $ | 1,400 |  |  | $ | 1,160 |  |  | $ | 4,860 |
Schedule of Allocation of Plan Assets | The fair value of our pension plans’ assets by class were as follows:
| Fair Value Measurements at December 31, 2025, Using
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Balance at December 31, 2025
| (In thousands)
Assets: |  |  |  |  |  |  |
Cash equivalents | $ | 423 |  |  | $ | — |  |  | $ | — |  |  | $ | 423 |
Collective and mutual funds | 28,636 |  |  | 1,321 |  |  | — |  |  | 29,957 |
Total assets measured at fair value | $ | 29,059 |  |  | $ | 1,321 |  |  | $ | — |  |  | $ | 30,380 |
| Fair Value Measurements at December 31, 2024, Using
| Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Balance at December 31, 2024
| (In thousands)
Assets: |  |  |  |  |  |  |
Cash equivalents | $ | — |  |  | $ | 297 |  |  | $ | — |  |  | $ | 297 |
Collective and mutual funds | 28,374 |  |  | 1,672 |  |  | — |  |  | 30,046 |
Money market funds | — |  |  | 32 |  |  | — |  |  | 32 |
Total assets measured at fair value | $ | 28,374 |  |  | $ | 2,001 |  |  | $ | — |  |  | $ | 30,375 |
Schedule of Accumulated and Projected Benefit Obligations | The projected benefit obligation and accumulated benefit obligation for our participants in these plans at December 31, were as follows:
| 2025 |  | 2024
| (In thousands)
Projected benefit obligation | $ | 13,747 |  |  | $ | 14,468 |
Accumulated benefit obligation | $ | 13,747 |  |  | $ | 14,468 |
Schedule of Weighted Average Assumptions | Weighted average assumptions used at December 31, were as follows:
| 2025 |  | 2024
Benefit obligation discount rate | 5.01 | % |  | 5.29 | %
Benefit obligation rate of compensation increase | N/A |  | N/A
Net periodic benefit cost discount rate | 5.29 | % |  | 4.74 | %
Net periodic benefit cost rate of compensation increase | N/A |  | N/A
Schedule of Investment | The amount of investments that we anticipate using to satisfy obligations under these plans at December 31, was as follows:
| 2025 |  | 2024
| (In thousands)
Investments |  |  |
Insurance contract 1 | $ | 33,982 |  |  | $ | 28,377 |
Life insurance 2 | 7,642 |  |  | 7,484 |
Other | 2,775 |  |  | 4,082 |
Total investments | $ | 44,399 |  |  | $ | 39,943 |
__________________ 1 For more information on the insurance contract, see Note 8. 2 Investments of life insurance are carried on plan participants (payable upon the employee’s death).
Schedule of Multiemployer Plan | Our participation in these plans is outlined in the following table. Unless otherwise noted, the most recent Pension Protection Act zone status available in 2025, 2024 and 2023 is for the plan’s year-end at December 31, 2024, December 31, 2023 and December 31, 2022, respectively. The zone status is based on information that we received from the plan and is certified by the plan’s actuary. Among other factors, plans in the “red zone,” or critical status, are generally less than 65 percent funded, plans in the “yellow zone,” or endangered status, are between 65 percent and 80 percent funded, and plans in the “green zone,” or healthy status, are at least 80 percent funded.
Pension Fund |  | EIN/Pension Plan Number |  | Pension Protection Act Zone Status |  | FIP/RP Status Pending/ Implemented |  | Contributions |  | Surcharge Imposed |  | Expiration Date of Collective Bargaining Agreement |
|  | 2025 |  | 2024 |  |  | 2025 |  | 2024 |  | 2023 |  |
|  |  |  |  |  |  |  |  |  | (In thousands) |  |  |  |  |
DB Pension Plan of AGC-IUOE Local 701 Pension Trust Fund |  | 936075580-001 |  | Green |  | Green |  | No |  | 1,434 |  |  | 1,225 |  |  | 1,295 |  |  | No |  | 12/31/2025 |
Minnesota Teamsters Construction Division Pension Fund |  | 416187751-001 |  | Green |  | Green |  | No |  | 412 |  |  | 367 |  |  | 418 |  |  | No |  | 4/30/2027 |
Pension Trust Fund for Operating Engineers |  | 946090764-001 |  | Green |  | Green |  | No |  | 3,004 |  |  | 2,746 |  |  | 2,476 |  |  | No |  | 3/31/2026- 6/30/2026 |
Western Conference of Teamsters Pension Plan |  | 916145047-001 |  | Green |  | Green |  | No |  | 3,753 |  |  | 3,396 |  |  | 3,307 |  |  | No |  | 12/31/2023- 6/30/2026 | *
Other funds |  |  |  |  |  |  |  |  |  | 5,619 |  |  | 5,427 |  |  | 5,245 |  |  |  |  |  |
Total contributions |  |  |  |  |  |  |  |  |  | $ | 14,222 |  |  | $ | 13,161 |  |  | $ | 12,741 |  |  |  |  |  |
__________________ *Plan includes contributions required by collective bargaining agreements which have expired but contain provisions automatically renewing their terms in the absence of a subsequent negotiated agreement. We were listed in the plans’ Forms 5500 as providing more than 5 percent of the total contributions for the following plans and plan years:
Pension Fund |  | Year Contributions to Plan Exceeded More Than 5 Percent of Total Contributions (as of December 31, of the Plan’s Year-End)
Minnesota Teamsters Construction Division Pension Fund |  | 2024 and 2023
DB Pension Plan of AGC-IUOE Local 701 Pension Trust Fund |  | 2023

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (q) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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