Investment Securities - (As Restated) (Amortized Cost and Fair Values Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Schedule of Investments [Line Items]
Amortized Cost: Due in one year or less	$ 0
Amortized Cost: Due after one year through five years	37,577
Amortized Cost: Due after five years through ten years	16,147
Amortized Cost: Due after ten years	55,591
Amortized Cost, Single Maturity Date, Total	109,315
Fair Value: Due in one year or less	0
Fair Value: Due after one year through five years	37,593
Fair Value: Due after five years through ten years	16,676
Fair Value: Due after ten years	48,547
Fair Value: Single Maturity Date, Total	102,816
Available for sale debt maturities fair value sub total	170,232
Available For Sale Debt Maturities Amortized Cost Total	177,070
Available-for-sale Securities, Amortized Cost Basis	177,070	$ 231,745
Available-for-sale Securities	170,232	221,117
Amortized Cost: Due after five years through ten years, Held to maturity	15,604
Amortized Cost: Due after ten years, Held to maturity	11,725
Amortized Cost: Total, Held to maturity	27,329
Fair Value: Due after five years through ten years, Held to maturity	16,116
Fair Value: Due after ten years, Held to maturity	12,185
Fair Value: Total, Held to maturity	28,301
Held-to-maturity Securities	105,560	109,449
Held-to-maturity Securities, Fair Value	106,742	110,771
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost: without Single Maturity Date	14,285
Fair Value: without Single Maturity Date	14,170
Available-for-sale Securities, Amortized Cost Basis	14,285	45,175
Available-for-sale Securities	14,170	45,273
Held-to-maturity Securities	53,734	58,400
Held-to-maturity Securities, Fair Value	53,912	59,008
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost: without Single Maturity Date	43,780
Fair Value: without Single Maturity Date	43,636
Available-for-sale Securities, Amortized Cost Basis	43,780	26,007
Available-for-sale Securities	43,636	25,957
Held-to-maturity Securities	18,078	16,425
Held-to-maturity Securities, Fair Value	18,232	16,737
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost: without Single Maturity Date	9,690
Fair Value: without Single Maturity Date	9,610
Available-for-sale Securities, Amortized Cost Basis	9,690	8,611
Available-for-sale Securities	9,610	8,707
Held-to-maturity Securities	6,419	7,379
Held-to-maturity Securities, Fair Value	$ 6,297	$ 7,384