Other Real Estate - Other Real Estate, By Type of Property (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
Other real estate, excluding covered other real estate [Line Items]
Total other real estate	$ 18,276	$ 29,248	$ 31,243	$ 34,668
Construction, Land Development And Other Land Properties [Member]
Other real estate, excluding covered other real estate [Line Items]
Total other real estate	8,341	11,482
1 - 4 Family Residential Properties [Member]
Other real estate, excluding covered other real estate [Line Items]
Total other real estate	1,992	3,453
Nonfarm, Nonresidential Properties [Member]
Other real estate, excluding covered other real estate [Line Items]
Total other real estate	$ 7,943	$ 14,313