Changes in Accumulated Other Comprehensive (Loss) Income by Component - Reclassification Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Losses from the sale of available-for-sale securities	$ 394			$ 1			$ 7,047	$ (9,034)
Tax benefit	1,457			(671)			(6,227)	(6,553)
Net loss reclassified from accumulated other comprehensive loss	(5,494)	$ 8,598	$ 12,684	322	$ 6,820	$ 11,329	15,788	18,471
Amounts Reclassified from Accumulated Other Comprehensive Loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net loss reclassified from accumulated other comprehensive loss	(3)			(3)			(6)	(23)
Losses from the sale of available-for-sale securities | Amounts Reclassified from Accumulated Other Comprehensive Loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Losses from the sale of available-for-sale securities	(4)			(5)			(8)	(31)
Tax benefit	$ 1			$ 2			$ 2	$ 8