Investments (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Investments [Line Items]
Amortized Cost: Due in one year or less	$ 5,998
Amortized Cost: Due after one year through five years	19,921
Amortized Cost: Due after five years through ten years	6,201
Amortized Cost: Due after ten years	49,377
Amortized Cost: Sub Total	81,497
Fair Value: Due in one year or less	6,018
Fair Value: Due after one year through five years	20,134
Fair Value: Due after five years through ten years	6,390
Fair Value: Due after ten years	44,965
Available For Sale Debt Maturities Fair Value Sub Total	77,507
Available-for-sale Securities, Amortized Cost Basis	149,793	$ 173,549
Available-for-sale Securities	147,227	170,232
Amortized Cost: Due after five years through ten years, Held to maturity	15,670
Amortized Cost: Due after ten years, Held to maturity	4,579
Amortized Cost: Total, Held to maturity	20,249
Fair Value: Due after five years through ten years, Held to maturity	16,799
Fair Value: Due after ten years, Held to maturity	5,283
Fair Value: Total, Held to maturity	22,082
Held-to-maturity securities	97,730	105,560
Held-to-maturity securities, fair value	101,958	106,742
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis		14,285
Available-for-sale Securities		14,170
Held-to-maturity securities	54,065	53,734
Held-to-maturity securities, fair value	55,301	53,912
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	57,091	43,780
Available-for-sale Securities	58,422	43,636
Held-to-maturity securities	17,938	18,078
Held-to-maturity securities, fair value	19,078	18,232
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	11,205	9,690
Available-for-sale Securities	11,298	9,610
Held-to-maturity securities	5,478	6,419
Held-to-maturity securities, fair value	$ 5,497	$ 6,297