Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Commitments and Contingencies Disclosure [Line Items]
Operating leases rental expense	$ 875	$ 799	$ 2,500	$ 2,300
Minimum [Member]
Commitments and Contingencies Disclosure [Line Items]
Lease Expiration Period			7 months
Lease Expiration Period, Renewal Option			6 months
Maximum [Member]
Commitments and Contingencies Disclosure [Line Items]
Lease Expiration Period			25 years
Lease Expiration Period, Renewal Option			25 years
Commitments to extend credit on standby letters of credit [Member] | Commitments to Extend Credit [Member]
Commitments and Contingencies Disclosure [Line Items]
Contract amount					$ 5,102