Other Real Estate Owned - Covered and Not Covered Under a Loss-Share Agreement, Net of Valuation Allowances and Direct Write-Downs (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Purchased OREO	$ 3,264	$ 3,927
Non Purchased OREO	1,675	2,045
Total OREO	4,939	5,972
Residential real estate
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Purchased OREO	197	72
Non Purchased OREO	64	107
Total OREO	261	179
Commercial real estate
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Purchased OREO	1,048	1,741
Non Purchased OREO	1,548	924
Total OREO	2,596	2,665
Residential land development
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Purchased OREO	337	337
Non Purchased OREO	4	676
Total OREO	341	1,013
Commercial land development
Other real estate owned ("OREO") covered and not covered under a loss-share agreement, net of valuation allowances and direct write-downs
Purchased OREO	1,682	1,777
Non Purchased OREO	59	338
Total OREO	$ 1,741	$ 2,115