Other Real Estate - Other Real Estate, By Geographic Location (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Other Real Estate by Geographic Location [Line Items]
Total other real estate		$ 10,651	$ 11,651	$ 24,847	$ 29,248
Alabama [Member]
Other Real Estate by Geographic Location [Line Items]
Total other real estate		3,085	3,271
Mississippi [Member]
Other Real Estate by Geographic Location [Line Items]
Total other real estate	[1]	$ 7,566	8,330
Tennessee [Member]
Other Real Estate by Geographic Location [Line Items]
Total other real estate	[2]		$ 50

[1] Mississippi includes Central and Southern Mississippi Regions.

[2] Tennessee includes Memphis, Tennessee and Northern Mississippi Regions.