Derivative Instruments (Narrative) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Derivative [Line Items]
Notional amount	$ 2,904,000	$ 2,904,000	$ 3,811,000
Derivative assets	265,000	265,000	318,000
Collateral Already Posted, Aggregate Fair Value	789,000	789,000
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	2,904,000	2,904,000	3,811,000
Net gains (losses) recognized in earnings	0	0
Interest Rate Lock Commitments [Member]
Derivative [Line Items]
Notional amount	1,754,000	1,754,000	2,964,000
Derivative assets	$ 10,000	$ 10,000	$ 25,000