Securities - Available for Sale, Gross Unrealized Losses and Fair Values (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
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	$ 2,611	$ 14,487
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	3	445
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	563,367	652,697
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	51,024	64,719
Total, fair value	565,978	667,184
Total, unrealized losses	51,027	65,164
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	126	130
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	7,839	8,453
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	511	797
Total, fair value	7,965	8,583
Total, unrealized losses	511	797
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	44	358
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	0	1
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	65,654	80,008
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	7,091	8,980
Total, fair value	65,698	80,366
Total, unrealized losses	7,091	8,981
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	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	12,073	12,297
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	1,080	1,409
Total, fair value	12,073	12,297
Total, unrealized losses	1,080	1,409
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	933	6,285
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	1	356
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	74,478	79,507
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	4,066	6,951
Total, fair value	75,411	85,792
Total, unrealized losses	4,067	7,307
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	1,508	7,714
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, less than 12 months	2	88
Debt securities, available-for-sale, continuous unrealized loss position, fair values, 12 months or longer	32,939	97,203
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	575	1,851
Total, fair value	34,447	104,917
Total, unrealized losses	577	1,939
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	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	300,068	301,038
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	34,312	38,644
Total, fair value	300,068	301,038
Total, unrealized losses	34,312	38,644
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	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	69,360	73,249
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	3,360	6,046
Total, fair value	69,360	73,249
Total, unrealized losses	3,360	6,046
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	956	942
Debt securities, available-for-sale, continuous unrealized loss position, gross unrealized losses, 12 months or longer	29	41
Total, fair value	956	942
Total, unrealized losses	$ 29	$ 41