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Premises and Equipment (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Premises and Equipment [Abstract]      
Depreciation expense $ 2,613,000us-gaap_Depreciation $ 2,361,000us-gaap_Depreciation $ 1,951,000us-gaap_Depreciation
Rent expense $ 1,405,000us-gaap_OperatingLeasesRentExpenseNet $ 1,222,000us-gaap_OperatingLeasesRentExpenseNet $ 547,000us-gaap_OperatingLeasesRentExpenseNet