Other Comprehensive Income (Loss) - Reclassification out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Components of other comprehensive income (loss):
Loss on securities transactions	$ 0	$ (9,552)	$ (1,256)	$ (10,847)
Income before income tax expense	4,819	1,921	3,535	26,782
Income tax benefit	(279)	(257)	(150)	(6,395)
Net of tax	4,540	1,664	3,385	20,387
Reclassification out of Accumulated Other Comprehensive Income (Loss)
Components of other comprehensive income (loss):
Income before income tax expense	(548)	(9,551)	(2,338)	(10,845)
Income tax benefit	154	2,701	657	3,067
Net of tax	(394)	(6,850)	(1,681)	(7,778)
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	0	(9,552)	(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	$ (1,082)	$ 2