Investments (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Investments [Line Items]
Amortized Cost: Due after one year through five years	$ 37,604
Amortized Cost: Due after five years through ten years	14,765
Amortized Cost: Due after ten years	65,428
Amortized Cost: Sub Total	117,797
Fair Value: Due after one year through five years	37,899
Fair Value: Due after five years through ten years	15,355
Fair Value: Due after ten years	61,749
Available For Sale Debt Maturities Fair Value Sub Total	115,003
Available-for-sale Securities, Amortized Cost Basis	187,626	$ 231,745
Available-for-sale Securities	185,519	221,117
Amortized Cost: Due after five years through ten years, Held to maturity	15,571
Amortized Cost: Due after ten years, Held to maturity	11,712
Amortized Cost: Total, Held to maturity	27,283
Fair Value: Due after five years through ten years, Held to maturity	16,100
Fair Value: Due after ten years, Held to maturity	12,073
Fair Value: Total, Held to maturity	28,173
Held-to-maturity securities	106,732	109,449
Held-to-maturity securities, fair value	108,759	110,771
Residential Mortgage-backed Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	14,495	45,175
Available-for-sale Securities	14,494	45,273
Held-to-maturity securities	54,869	58,400
Held-to-maturity securities, fair value	55,475	59,008
Commercial Mortgage-backed Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	45,162	26,007
Available-for-sale Securities	45,805	25,957
Held-to-maturity securities	18,148	16,425
Held-to-maturity securities, fair value	18,713	16,737
Collateralized Mortgage Obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	10,172	8,611
Available-for-sale Securities	10,217	8,707
Held-to-maturity securities	6,432	7,379
Held-to-maturity securities, fair value	$ 6,398	$ 7,384