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Shareholders' Equity - Pre-tax and After-tax Changes in the Components of Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments, after Tax [Abstract]    
Change in unrealized gain (loss) on available-for-sale debt securities, before tax $ (14,725) $ 32,056
Change in unrealized gain (loss) on available-for-sale debt securities, tax (3,652) 8,078
Change in unrealized gain (loss) on available-for-sale debt securities, after tax (11,073) 23,978
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]    
Reclassification of gain on sale of available-for-sale securities, before tax 0 (381)
Reclassification of gain on sale of available-for-sale securities, tax 0 (96)
Reclassification of gain on sale of available-for-sale securities, after tax 0 (285)
Other Comprehensive Loss, Held-to-maturity Security, OTTI, after Tax and Adjustments [Abstract]    
Reclassification of gain on held-to-maturity securities, before tax (832) (852)
Reclassification of gain on held-to-maturity securities, tax (206) (214)
Reclassification of gain on held-to-maturity securities, after tax (626) (638)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent [Abstract]    
Change in unrealized gain (loss) on cash flow hedges arising during the period, before tax (3,912) 1,705
Change in unrealized gain (loss) on cash flow hedges arising during the period, tax (970) 430
Change in unrealized gain (loss) on cash flow hedges arising during the period, after tax (2,942) 1,275
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]    
Reclassification of loss on cash flow hedges, before tax 353 36
Reclassification of loss on cash flow hedges, tax 88 9
Reclassification of loss on cash flow hedges, after tax (265) (27)
OCI, Net of Tax [Abstract]    
Total other comprehensive income (loss), before tax (19,116) 32,564
Total other comprehensive income (loss), tax (4,740) 8,207
Total other comprehensive income (loss), net of tax $ (14,376) $ 24,357