XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.25.2

Employee Benefit Plans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Employee Benefit Plans |
Schedule of net periodic benefit costs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Six Months Ended June 30, |
(Dollars in thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024 |
Components of net periodic benefit cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Service cost, included in salaries and employee benefits | ​ | $ | 314 | ​ | $ | 368 | ​ | $ | 660 | ​ | $ | 737 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other components of net periodic benefit cost: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest cost | ​ |  | 214 | ​ |  | 190 | ​ |  | 432 | ​ |  | 379 | ​
Expected return on plan assets | ​ |  | (353) | ​ |  | (344) | ​ |  | (722) | ​ |  | (685) | ​
Amortization of prior service credit | ​ |  | (17) | ​ |  | (16) | ​ |  | (34) | ​ |  | (34) | ​
Recognized net actuarial losses | ​ |  | 18 | ​ |  | 27 | ​ |  | 23 | ​ |  | 54 | ​
Other components of net periodic benefit cost, included in other noninterest expense | ​ | ​ | (138) | ​ | ​ | (143) | ​ | ​ | (301) | ​ | ​ | (286) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net periodic benefit cost | ​ | $ | 176 | ​ | $ | 225 | ​ | $ | 359 | ​ | $ | 451 | ​
​

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