Securities - Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	$ 773,027	$ 866,363
Unrealized gains	263	329
Unrealized losses	88,649	87,345
Fair Value	684,641	779,347
U.S. agency
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	10,572	13,191
Unrealized gains	5	10
Unrealized losses	1,074	1,100
Fair Value	9,503	12,101
U.S. agency residential mortgage-backed
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	92,717	100,700
Unrealized gains	1	19
Unrealized losses	12,036	10,261
Fair Value	80,682	90,458
U.S. agency commercial mortgage-backed
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	13,891	15,047
Unrealized gains	0	0
Unrealized losses	1,734	1,594
Fair Value	12,157	13,453
Private label mortgage-backed
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	95,160	102,196
Unrealized gains	248	245
Unrealized losses	8,746	8,596
Fair Value	86,662	93,845
Other asset backed
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	138,036	200,755
Unrealized gains	7	0
Unrealized losses	2,755	6,030
Fair Value	135,288	194,725
Obligations of states and political subdivisions
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	339,656	346,187
Unrealized gains	2	55
Unrealized losses	53,930	50,565
Fair Value	285,728	295,677
Corporate
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	82,013	87,308
Unrealized gains	0	0
Unrealized losses	8,335	9,151
Fair Value	73,678	78,157
Trust preferred
Debt Securities, Available-for-Sale [Abstract]
Total securities available-for-sale, amortized cost	982	979
Unrealized gains	0	0
Unrealized losses	39	48
Fair Value	$ 943	$ 931