v3.26.3
Accumulated Other Comprehensive Loss (Schedule of Changes In Each Component of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Balance $ 808,949 $ 764,215 $ 809,680 $ 730,664
Other comprehensive income before classifications (48,919) 11,299 (54,419) 31,635
Amounts reclassified from other comprehensive income 0 (28) 0 (143)
Other comprehensive (loss) income, net of tax (48,919) 11,271 (54,419) 31,492
Ending balance 781,614 798,943 781,614 798,943
Defined Benefit Pension Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Balance (875) (1,442) (875) (1,442)
Other comprehensive income before classifications 489 0 489 0
Amounts reclassified from other comprehensive income 0 0 0 0
Other comprehensive (loss) income, net of tax 489 0 489 0
Ending balance (386) (1,442) (386) (1,442)
Securities available-for-sale:        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Balance (81,241) (94,056) (75,741) (114,277)
Other comprehensive income before classifications (49,408) 11,299 (54,908) 31,635
Amounts reclassified from other comprehensive income 0 (28) 0 (143)
Other comprehensive (loss) income, net of tax (49,408) 11,271 (54,908) 31,492
Ending balance (130,649) (82,785) (130,649) (82,785)
Total        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning Balance (82,116) (95,498) (76,616) (115,719)
Other comprehensive (loss) income, net of tax (48,919) 11,271 (54,419) 31,492
Ending balance $ (131,035) $ (84,227) $ (131,035) $ (84,227)