Other Comprehensive Income (Loss) - Reclassification out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Components of other comprehensive income (loss):
Loss on securities transactions	$ 0	$ 0	$ (1,256)	$ (10,847)
Income before income tax expense	7,316	11,835	10,851	38,617
Income tax benefit	(1,131)	(2,705)	(1,281)	(9,100)
Net of tax	6,185	9,130	9,570	29,517
Reclassification out of Accumulated Other Comprehensive Income (Loss)
Components of other comprehensive income (loss):
Income before income tax expense	(548)	1	(2,885)	(10,844)
Income tax benefit	154	0	812	3,067
Net of tax	(394)	1	(2,073)	(7,777)
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Reclassification adjustment for loss included in net income
Components of other comprehensive income (loss):
Loss on securities transactions			(1,256)	(10,847)
Reclassification out of Accumulated Other Comprehensive Income (Loss) | Employee benefit plans:
Components of other comprehensive income (loss):
Other non-interest expense, net	$ (548)	$ 1	$ (1,629)	$ 3