Changes in Accumulated Other Comprehensive (Loss) Income by Component - Reclassification Adjustments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Losses) gains from the sale of available-for-sale securities	$ 12,938	$ (5,427)	$ 9,439
Tax benefit (expense)	(14,670)	(10,310)	(16,969)
Net (loss) gain reclassified from accumulated other comprehensive income	38,386	34,243	48,543
Amounts Reclassified from Accumulated Other Comprehensive (Loss) Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net (loss) gain reclassified from accumulated other comprehensive income	(9)	(28)	41
Realized Gains (Losses) on Sale of Available-for-sale Securities | Amounts Reclassified from Accumulated Other Comprehensive (Loss) Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
(Losses) gains from the sale of available-for-sale securities	(12)	(37)	55
Tax benefit (expense)	$ 3	$ 9	$ (14)