v3.26.1
Other Comprehensive (Loss) Income (Schedule of Components of OCI) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Before Tax    
Total other comprehensive gain (loss) $ (14,212) $ 40,048
Tax Effect    
Total 3,972 (14,939)
After Tax    
Total other comprehensive income (loss) (10,240) 25,109
Unrealized gains and losses on available for sale debt securities    
Before Tax    
Net unrealized gains (losses) arising during the period (17,611) 42,388
Reclassification adjustment for gains included in net income 0 (87)
Total other comprehensive gain (loss) (17,611) 42,301
Tax Effect    
Net unrealized gains (losses) arising during the period 4,922 (15,602)
Reclassification adjustment for gains included in net income 0 25
Total 4,922 (15,577)
After Tax    
Net unrealized gains (losses) arising during the period (12,689) 26,786
Reclassification adjustment for gains included in net income 0 (62)
Total other comprehensive income (loss) (12,689) 26,724
Unrealized gains and losses on derivatives (cash flow hedges)    
Before Tax    
Net unrealized gains (losses) arising during the period 3,516 147
Reclassification adjustment for gains included in net income (93) (1,940)
Total other comprehensive gain (loss) 3,423 (1,793)
Tax Effect    
Net unrealized gains (losses) arising during the period (983) (42)
Reclassification adjustment for gains included in net income 26 550
Total (957) 508
After Tax    
Net unrealized gains (losses) arising during the period 2,533 105
Reclassification adjustment for gains included in net income (67) (1,390)
Total other comprehensive income (loss) 2,466 (1,285)
Amortization related to post-retirement obligations    
Before Tax    
Total other comprehensive gain (loss) (24) (460)
Tax Effect    
Total 7 130
After Tax    
Total other comprehensive income (loss) $ (17) $ (330)