Transactions with related parties (Analysis of Activity with Respect to Loans to Officers and Directors of the Bank) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Increase (Decrease) In Loans To Officers And Directors [Roll Forward]
Balance at beginning of year	$ 2,791	$ 2,633
Additions	106	398
Repayments	(644)	(240)
Balance at end of year	$ 2,253	$ 2,791