Allowance for Loan Losses (Details 2) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Unpaid Principal Balance
TOTAL	$ 10,261		$ 7,643
Recorded Investment
Impaired Financing Receivable, with Related Allowance, Recorded Investment	99		100
Fair value	9,731		7,113
Allowance For Loan Losses Allocated
TOTAL	42		48
Average Recorded Investment
TOTAL	8,424	$ 11,831	8,693
Interest Income Recognized
TOTAL	0	0	0
Cash Basis Interest Income Recognized
TOTAL	0	0	0
Commercial & Industrial
Unpaid Principal Balance
With no related allowance recorded:	1,679		1,519
With an allowance recorded:	141		148
Recorded Investment
With no related allowance recorded:	1,149		989
Impaired Financing Receivable, with Related Allowance, Recorded Investment	141		148
Fair value	99		100
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	42		48
Average Recorded Investment
With no related allowance recorded:	1,069	788	848
With an allowance recorded:	145	488	1,108
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Farmland
Unpaid Principal Balance
With no related allowance recorded:	1,324		1,997
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	1,324		1,997
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	1,661	930	1,999
With an allowance recorded:	0	3,041	84
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Non Farm, Non Residential
Unpaid Principal Balance
With no related allowance recorded:	3,512		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	3,512		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	1,756	2,442	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Agriculture
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	116	0
With an allowance recorded:	0	537	138
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
All Other Commercial
Unpaid Principal Balance
With no related allowance recorded:	26		27
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	26		27
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	27	1,218	461
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
First Liens
Unpaid Principal Balance
With no related allowance recorded:	3,579		3,952
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	3,579		3,952
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	3,766	2,032	4,055
With an allowance recorded:	0	221	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Home Equity
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Junior Liens
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	18	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Multifamily
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
All Other Residential
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Motor Vehicle
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
All Other Consumer
Unpaid Principal Balance
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Recorded Investment
With no related allowance recorded:	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Fair value	0		0
Allowance For Loan Losses Allocated
With no related allowance recorded:	0		0
With an allowance recorded:	0		0
Average Recorded Investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	$ 0	$ 0	$ 0

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