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v3.25.3

Pension and Retirement Benefit Plans (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Pension Plans [Line Items] |  |  |  |  |  |
Fair value of plan assets | [1] |  |  |  |  | $ 42,877,000
Overfunded amount |  |  |  |  |  | 2,600,000
Retirement Plan [Member] |  |  |  |  |  |
Pension Plans [Line Items] |  |  |  |  |  |
Accumulated projected benefit obligation |  |  |  |  |  | 17,500,000
Fair value of plan assets |  |  |  |  |  | 20,100,000
Net periodic expense |  | $ 22,000 | $ 13,000 | $ 65,000 | $ 39,000 |
Expected return on plan assets |  | 313,000 | 276,000 | 938,000 | 828,000 |
Interest cost |  | 234,000 | 222,000 | 702,000 | 666,000 |
Service cost |  | 57,000 | 67,000 | 171,000 | 201,000 |
Postretirement Plan [Member] |  |  |  |  |  |
Pension Plans [Line Items] |  |  |  |  |  |
Accumulated projected benefit obligation |  |  |  |  |  | $ 3,800,000
Net periodic expense |  | 25,000 | 54,000 |  |  |
Expected return on plan assets |  |  |  | 75,000 | 162,000 |
Interest cost |  | 48,000 | 49,000 | 145,000 | 147,000 |
Service cost |  | 4,000 | $ 5,000 | 11,000 | $ 15,000 |
Amortization of net gains |  | $ 27,000 |  | $ 81,000 |  |
[1] | Included in other assets in the consolidated balance sheets.

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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 60 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480266/715-60-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(6) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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