Investment Securities - Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Fair Value
Less Than 12 Months	$ 184,765	$ 38,116
12 Months or Greater	6,635	3,949
Total	191,400	42,065
Gross Unrealized Losses
Less Than 12 Months	(2,851)	(143)
12 Months or Greater	(238)	(271)
Total	(3,089)	(414)
U.S. agency
Fair Value
Less Than 12 Months	11,992
12 Months or Greater	0
Total	11,992
Gross Unrealized Losses
Less Than 12 Months	(113)
12 Months or Greater	0
Total	(113)
State, county & municipal securities
Fair Value
Less Than 12 Months	40,321	8,282
12 Months or Greater	593	0
Total	40,914	8,282
Gross Unrealized Losses
Less Than 12 Months	(1,081)	(65)
12 Months or Greater	(9)	0
Total	(1,090)	(65)
Corporate debt securities
Fair Value
Less Than 12 Months	1,750	999
12 Months or Greater	0	0
Total	1,750	999
Gross Unrealized Losses
Less Than 12 Months	0	(1)
12 Months or Greater	0	0
Total	0	(1)
Other securities
Fair Value
Less Than 12 Months	4,058
12 Months or Greater	0
Total	4,058
Gross Unrealized Losses
Less Than 12 Months	(20)
12 Months or Greater	0
Total	(20)
Mortgage-backed securities
Fair Value
Less Than 12 Months	126,644	28,835
12 Months or Greater	6,042	3,949
Total	132,686	32,784
Gross Unrealized Losses
Less Than 12 Months	(1,637)	(77)
12 Months or Greater	(229)	(271)
Total	$ (1,866)	$ (348)