Changes in Accumulated Other Comprehensive Income by Component - Reclassification Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Losses from the sale of available-for-sale securities	$ 3,102	$ (1,523)
Tax benefit	(4,872)	(4,452)
Net income	12,684	11,329
Realized Gains (Losses) on Sale of Available-for-sale Securities | Amounts Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Losses from the sale of available-for-sale securities	(2)	(12)
Tax benefit	1	4
Net income	$ (1)	$ (8)