Commitments and Contingencies (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Commitments and Contingencies Disclosure [Line Items]
Operating leases rental expense	$ 790	$ 737
Minimum [Member]
Commitments and Contingencies Disclosure [Line Items]
Lease Expiration Period	4 months
Lease Expiration Period, Renewal Option	1 month
Maximum [Member]
Commitments and Contingencies Disclosure [Line Items]
Lease Expiration Period	26 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	$ 5,248		$ 5,102