Securities - Available for Sale, Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	$ 36,299	$ 275,781
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	660	19,984
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	721,572	490,301
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	72,071	67,361
Total, fair value	757,871	766,082
Total, unrealized losses	72,731	87,345
U.S. agency
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	297	8,244
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	1	799
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	10,301	2,587
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	707	301
Total, fair value	10,598	10,831
Total, unrealized losses	708	1,100
U.S. agency residential mortgage-backed
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	9,117	33,784
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	117	1,920
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	80,149	54,793
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	8,717	8,341
Total, fair value	89,266	88,577
Total, unrealized losses	8,834	10,261
U.S. agency commercial mortgage-backed
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	0	1,609
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	0	73
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	13,539	11,844
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	1,310	1,521
Total, fair value	13,539	13,453
Total, unrealized losses	1,310	1,594
Private label mortgage-backed
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	1,995	39,954
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	198	2,582
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	90,199	53,346
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	7,644	6,014
Total, fair value	92,194	93,300
Total, unrealized losses	7,842	8,596
Other asset backed
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	13,590	110,859
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	160	2,657
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	162,456	83,802
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	4,387	3,373
Total, fair value	176,046	194,661
Total, unrealized losses	4,547	6,030
Obligations of states and political subdivisions
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	60	56,455
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	1	10,216
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	296,557	231,705
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	41,983	40,349
Total, fair value	296,617	288,160
Total, unrealized losses	41,984	50,565
Corporate
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	11,240	24,876
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	183	1,737
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	67,441	51,293
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	7,274	7,414
Total, fair value	78,681	76,169
Total, unrealized losses	7,457	9,151
Trust preferred
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Debt securities, available-for-sale, continuous unrealized loss position, fair values, less than 12 months	0	0
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	0	0
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	930	931
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	49	48
Total, fair value	930	931
Total, unrealized losses	$ 49	$ 48