Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	$ 501,619	$ 472,461
Unearned net loan origination fees	(416)	(488)
Allowance for loan losses	(5,641)	(5,641)
Net loans receivable	495,562	466,332
Mortgage loans serviced for the benefit of others	460	475
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	17,842	20,549
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	10,206	12,379
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	347,095	326,370
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	125,159	111,498
Consumer And Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	$ 1,317	$ 1,665