Loans - Collateral Dependent Loans (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Loans
Collateral dependent loans	$ 24,194,000	$ 21,847,000
Collateral Coverage	29,491	46,256,000
Commercial non-owner occupied | Warehouse
Loans
Collateral dependent loans	861,000
Collateral Coverage	$ 861,000
Collateral Coverage (as a percent)	100.00%
Commercial non-owner occupied | Church
Loans
Collateral dependent loans		245,000
Collateral Coverage		$ 846,000
Collateral Coverage (as a percent)		345.00%
Commercial non-owner occupied | Office
Loans
Collateral dependent loans	$ 3,079,000	$ 1,045,000
Collateral Coverage	$ 3,113,000	$ 1,800,000
Collateral Coverage (as a percent)	101.00%	172.00%
Commercial non-owner occupied | Other
Loans
Collateral dependent loans		$ 398,000
Collateral Coverage		$ 648,000
Collateral Coverage (as a percent)		163.00%
Commercial non-owner occupied | Retail
Loans
Collateral dependent loans		$ 299,000
Collateral Coverage		$ 1,269,000
Collateral Coverage (as a percent)		424.00%
Commercial owner occupied real estate loan
Loans
Collateral dependent loans	$ 4,520,000
Collateral Coverage	$ 7,911,000
Collateral Coverage (as a percent)	175.00%
Commercial owner occupied real estate loan | Church
Loans
Collateral dependent loans	$ 1,986,000
Collateral Coverage	$ 1,540,000
Collateral Coverage (as a percent)	78.00%
Commercial owner occupied real estate loan | Industrial
Loans
Collateral dependent loans		$ 738,000
Collateral Coverage		$ 1,103,000
Collateral Coverage (as a percent)		149.00%
Commercial owner occupied real estate loan | Office
Loans
Collateral dependent loans		$ 1,076,000
Collateral Coverage		$ 1,485,000
Collateral Coverage (as a percent)		138.00%
Commercial owner occupied real estate loan | Other
Loans
Collateral dependent loans	$ 4,545,000	$ 3,303,000
Collateral Coverage	$ 3,652,000	$ 7,285,000
Collateral Coverage (as a percent)	80.00%	221.00%
Consumer Owner Occupied Loans | Other
Loans
Collateral dependent loans	$ 362,000	$ 5,413,000
Collateral Coverage	$ 362,000	$ 9,286,000
Collateral Coverage (as a percent)	100.00%	172.00%
Consumer Owner Occupied Loans | Retail
Loans
Collateral dependent loans	$ 4,508,000
Collateral Coverage	$ 2,751,000
Collateral Coverage (as a percent)	61.00%
Home equity loans | Other
Loans
Collateral dependent loans	$ 1,178,000	$ 1,768,000
Collateral Coverage	$ 1,546,000	$ 2,679,000
Collateral Coverage (as a percent)	131.00%	152.00%
Commercial and industrial | Industrial
Loans
Collateral dependent loans		$ 291,000
Collateral Coverage		$ 702,000
Collateral Coverage (as a percent)		241.00%
Commercial and industrial | Other
Loans
Collateral dependent loans	$ 1,270,000	$ 3,696,000
Collateral Coverage	$ 2,791,000	$ 8,442,000
Collateral Coverage (as a percent)	220.00%	228.00%
Other income producing property | Other
Loans
Collateral dependent loans	$ 685,000	$ 3,212,000
Collateral Coverage	$ 4,130,000	$ 10,186,000
Collateral Coverage (as a percent)	603.00%	317.00%
Other income producing property | Agriculture/farmland
Loans
Collateral dependent loans	$ 1,200,000
Collateral Coverage	$ 834,000
Collateral Coverage (as a percent)	70.00%
Consumer | Other
Loans
Collateral dependent loans		$ 363,000
Collateral Coverage		$ 525,000
Collateral Coverage (as a percent)		145.00%