Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Available-for-sale, Due in one year or less, Amortized Cost	$ 1,008
Available-for-sale, Due after one year through five years, Amortized Cost	15,250
Available-for-sale, Due after five years through ten years, Amortized Cost	37,112
Available-for-sale, Due after ten years, Amortized Cost	43,545
Available-for-sale, MBS/CMO/REMIC, Amortized Cost	142,797
Available-for-sale, Amortized Cost	239,712
Available-for-sale, Due in one year or less, Fair Value	1,016
Available-for-sale, Due after one year through five years, Fair Value	15,634
Available-for-sale, Due after five years through ten years, Fair Value	39,532
Available-for-sale, Due after ten years, Fair Value	46,071
Available-for-sale, MBS/CMO/REMIC, Fair Value	146,185
Available-for-sale, Fair Value	248,438		239,321
Held-to-maturity Securities, Due in one year or less, Amortized Cost	0
Held-to-maturity Securities, Due after one year through five years,Amorized Cost	155
Held-to-maturity,Securities, Due after five years through ten years, Amortized Cost	0
Held-to-maturity Securities, Due after ten years, Amortized Cost	0
Held-to-maturity, MBS/CMO, Amortized Cost	144
Held-to-maturity, Amortized Cost	299	[1]	313	[1]
Held-to-maturity Securities, Due in one year or less, Fair Value	0
Held-to-maturity Securities, Due after one year through five years, Fair Value	155
Held-to-maturity, Securites, Due after five years through ten years, Fair Value	0
Held-to-maturity Securities, Due after ten years, Fair Value	0
Held-to-maturity, MBS/CMO, Fair Value	145
Held-to-maturity, Fair Value	$ 300		$ 308	[1]

[1] FHLMC, FNMA, and GNMA certificates are residential mortgage-backed securities.