Commitments and Contingent Liabilities (Detail Textuals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Rent expense	$ 599	$ 501	$ 573
Minimum
Loss Contingencies [Line Items]
Interest rate	5.50%
Period	2 years
Maximum
Loss Contingencies [Line Items]
Interest rate	18.00%
Period	3 years
Fixed rate commitments
Loss Contingencies [Line Items]
Extending credit facilities to comparable customers.	$ 1,478	3,630
Fixed Rate - Unused lines of credit
Loss Contingencies [Line Items]
Extending credit facilities to comparable customers.	692	3,079
Fixed Rate - Standby letters of credit
Loss Contingencies [Line Items]
Extending credit facilities to comparable customers.	786	551
Variable rate commitments
Loss Contingencies [Line Items]
Extending credit facilities to comparable customers.	4,287	2,634
Variable Rate - Unused lines of credit
Loss Contingencies [Line Items]
Extending credit facilities to comparable customers.	$ 4,287	$ 2,634