XML 63 R53.htm IDEA: XBRL DOCUMENT v3.25.1
EMPLOYEE BENEFIT PLANS - Net Periodic Pension Cost (Details) - Pension plan - USD ($)
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Net periodic pension cost included in the Bank's consolidated statements of income    
Service cost $ 301,000 $ 230,000
Interest cost $ 570,000 $ 379,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Labor and Related Expense Labor and Related Expense
Expected return on plan assets $ (854,000) $ (533,000)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Labor and Related Expense Labor and Related Expense
Amortization of net actuarial gain $ (118,000)  
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Labor and Related Expense Labor and Related Expense
Net periodic post-retirement benefit cost $ (101,000) $ 76,000
Other disclosures    
Employer contributions $ 0 $ 0