Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Average impaired balance:
Average investment in impaired loans	$ 386	$ 470	$ 261	$ 900
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	4	0	4	0
Commercial [Member]
Average impaired balance:
Average investment in impaired loans	375	457	250	709
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	4	0	4	0
Commercial loans secured by non-owner occupied real estate [Member]
Average impaired balance:
Average investment in impaired loans	11	13	11	191
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	$ 0	$ 0	$ 0	$ 0