Loans, Troubled Debt Restructuring (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) Loan	Jun. 30, 2015 USD ($) Loan	Jun. 30, 2016 USD ($) Loan	Jun. 30, 2015 USD ($) Loan
Loan modifications classified as troubled debt restructurings [Abstract]
Number of Loans | Loan	2	2	5	5
Pre-Modification Recorded Balance	$ 37,000	$ 122,000	$ 371,000	$ 209,000
Post-Modification Recorded Balance	$ 37,000	$ 124,000	444,000	211,000
Troubled debt restructurings that subsequently defaulted within 12 months of the restructuring date			$ 0	$ 77,000
Commercial and industrial [Member]
Loan modifications classified as troubled debt restructurings [Abstract]
Number of Loans | Loan	0	1	0	1
Pre-Modification Recorded Balance	$ 0	$ 72,000	$ 0	$ 72,000
Post-Modification Recorded Balance	$ 0	$ 74,000	$ 0	$ 74,000
Commercial, secured by real estate [Member]
Loan modifications classified as troubled debt restructurings [Abstract]
Number of Loans | Loan	0	0	1	0
Pre-Modification Recorded Balance	$ 0	$ 0	$ 299,000	$ 0
Post-Modification Recorded Balance	$ 0	$ 0	$ 372,000	$ 0
Residential real estate [Member]
Loan modifications classified as troubled debt restructurings [Abstract]
Number of Loans | Loan	1	1	2	4
Pre-Modification Recorded Balance	$ 27,000	$ 50,000	$ 45,000	$ 137,000
Post-Modification Recorded Balance	$ 27,000	$ 50,000	$ 45,000	$ 137,000
Consumer [Member]
Loan modifications classified as troubled debt restructurings [Abstract]
Number of Loans | Loan	1	0	2	0
Pre-Modification Recorded Balance	$ 10,000	$ 0	$ 27,000	$ 0
Post-Modification Recorded Balance	$ 10,000	$ 0	$ 27,000	$ 0