Derivative Instruments (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Derivative [Line Items]
Notional amount	$ 2,849,000		$ 2,877,000
Derivative assets	245,000		213,000
Collateral Already Posted, Aggregate Fair Value	743,000
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	2,849,000		2,877,000
Net gains (losses) recognized in earnings	0	$ 0
Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Notional amount	1,977,000		1,560,000
Derivative assets	$ 6,000		$ 8,000