Non-performing Assets Including Troubled Debt Restructurings (TDR) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Non-performing assets including TDR
Non-accrual loans	$ 4,655	$ 1,603
Other real estate owned	39	21
TDR’s not in non-accrual	678	0
Total non-performing assets including TDR	$ 5,372	$ 1,624
Total non-performing assets as a percent of loans, net of unearned income, and other real estate owned	0.60%	0.18%
Commercial [Member]
Non-performing assets including TDR
Non-accrual loans	$ 461	$ 496
Commercial loans secured by real estate [Member]
Non-performing assets including TDR
Non-accrual loans	2,785	178
Real estate-mortgage [Member]
Non-performing assets including TDR
Non-accrual loans	1,402	929
Other real estate owned	39	21
Consumer [Member]
Non-performing assets including TDR
Non-accrual loans	$ 7	$ 0