XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.25.3

Pension and Other Postretirement Benefit Plans (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Pension and Other Postretirement Benefit Plans |
Schedule of net expense for the pension and other postretirement benefit plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended |  | Nine months ended
​ |  | September 30, |  | September 30,
(In thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Employee Pension Plan: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Interest cost | ​ | $ | 203 | ​ | $ | 193 | ​ | $ | 610 | ​ | $ | 581
Expected return on plan assets | ​ |  | (277) | ​ |  | (284) | ​ |  | (831) | ​ |  | (852)
Net employee pension benefit (1) | ​ | $ | (74) | ​ | $ | (91) | ​ | $ | (221) | ​ | $ | (271)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Outside Director Pension Plan: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Service cost | ​ | $ | 2 | ​ | $ | 2 | ​ | $ | 6 | ​ | $ | 6
Interest cost | ​ |  | 12 | ​ |  | 11 | ​ |  | 36 | ​ |  | 33
Amortization of unrecognized gain | ​ |  | (25) | ​ |  | (38) | ​ |  | (75) | ​ |  | (114)
Net outside director pension (benefit) expense (2) | ​ | $ | (11) | ​ | $ | (25) | ​ | $ | (33) | ​ | $ | (75)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other Postretirement Benefit Plans: | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Service cost | ​ | $ | 38 | ​ | $ | 41 | ​ | $ | 114 | ​ | $ | 125
Interest cost | ​ |  | 115 | ​ |  | 96 | ​ |  | 345 | ​ |  | 288
Amortization of unrecognized gain | ​ | ​ | (48) | ​ | ​ | (54) | ​ | ​ | (144) | ​ | ​ | (162)
Net other postretirement expense (1) | ​ | $ | 105 | ​ | $ | 83 | ​ | $ | 315 | ​ | $ | 251
(1) Reported in the Consolidated Statements of Operations as part of salaries and employee benefits. (2) Reported in the Consolidated Statements of Operations as part of other operating expenses.

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://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
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration