Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Reclassifications out of accumulated other comprehensive income
Losses on investment securities available-for-sale	$ 0	$ (44)
Income tax expense	(8,428)	(9,287)
Unrealized gains and losses on available-for-sale securities | Amount Reclassified from Accumulated Other Comprehensive Income
Reclassifications out of accumulated other comprehensive income
Losses on investment securities available-for-sale	0	(44)
Income before income taxes	0	(44)
Income tax expense	0	10
Net income	$ 0	$ (34)