Investment Securities - Unrealized Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value
Less than 12 months	$ 225,844	$ 152,605
12 months or more	42,131	3,152
Total Fair Value	267,975	155,757
Unrealized Losses
Less than 12 months	(19,128)	(2,275)
12 months or more	(5,516)	(230)
Total Unrealized Losses	(24,644)	(2,505)
U.S. Treasury
Fair Value
Less than 12 months	2,145	1,758
12 months or more	248	0
Total Fair Value	2,393	1,758
Unrealized Losses
Less than 12 months	(9)	(3)
12 months or more	(3)	0
Total Unrealized Losses	(12)	(3)
U.S. government and federal agency obligations
Fair Value
Less than 12 months	975
12 months or more	0
Total Fair Value	975
Unrealized Losses
Less than 12 months	(40)
12 months or more	0
Total Unrealized Losses	(40)
U.S. government-sponsored enterprises
Fair Value
Less than 12 months	20,736	18,304
12 months or more	4,530	0
Total Fair Value	25,266	18,304
Unrealized Losses
Less than 12 months	(763)	(196)
12 months or more	(470)	0
Total Unrealized Losses	(1,233)	(196)
Obligations of states and political subdivisions
Fair Value
Less than 12 months	110,254	39,221
12 months or more	5,612	0
Total Fair Value	115,866	39,221
Unrealized Losses
Less than 12 months	(13,072)	(474)
12 months or more	(1,386)	0
Total Unrealized Losses	(14,458)	(474)
Mortgage-backed securities
Fair Value
Less than 12 months	87,136	89,520
12 months or more	30,475	1,864
Total Fair Value	117,611	91,384
Unrealized Losses
Less than 12 months	(5,018)	(1,579)
12 months or more	(3,437)	(32)
Total Unrealized Losses	(8,455)	(1,611)
Other debt securities
Fair Value
Less than 12 months	4,598	3,802
12 months or more	0	0
Total Fair Value	4,598	3,802
Unrealized Losses
Less than 12 months	(226)	(23)
12 months or more	0	0
Total Unrealized Losses	(226)	(23)
Bank issued trust preferred securities
Fair Value
Less than 12 months	0	0
12 months or more	1,266	1,288
Total Fair Value	1,266	1,288
Unrealized Losses
Less than 12 months	0	0
12 months or more	(220)	(198)
Total Unrealized Losses	$ (220)	$ (198)