Securities - Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Available-for-sale Securities [Abstract]
Available-for-sale, Amortized Cost	$ 209,659	$ 185,931
Gross Unrealized Gains	2,136	2,117
Gross Unrealized Losses	(332)	(483)
Available-for-sale securities, at fair value	211,463	187,565
Held-to-maturity Securities [Abstract]
Held-to-maturity, Amortized Cost	47,419	50,713
Gross Unrealized Gains	463	572
Gross Unrealized Losses	(538)	(560)
Held-to-maturity, fair value (in dollars)	47,344	50,725
US Treasury and Government [Member]
Available-for-sale Securities [Abstract]
Available-for-sale, Amortized Cost	95,069	57,108
Gross Unrealized Gains	86	21
Gross Unrealized Losses	(29)	(85)
Available-for-sale securities, at fair value	95,126	57,044
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale Securities [Abstract]
Available-for-sale, Amortized Cost	87,738	100,002
Gross Unrealized Gains	1,930	2,022
Gross Unrealized Losses	(64)	(108)
Available-for-sale securities, at fair value	89,604	101,916
Held-to-maturity Securities [Abstract]
Held-to-maturity, Amortized Cost	16,919	16,823
Gross Unrealized Gains	401	485
Gross Unrealized Losses	(187)	(123)
Held-to-maturity, fair value (in dollars)	17,133	17,185
Collateralized Mortgage Backed Securities [Member]
Available-for-sale Securities [Abstract]
Available-for-sale, Amortized Cost	26,852	28,821
Gross Unrealized Gains	120	74
Gross Unrealized Losses	(239)	(290)
Available-for-sale securities, at fair value	26,733	28,605
Held-to-maturity Securities [Abstract]
Held-to-maturity, Amortized Cost	30,500	33,890
Gross Unrealized Gains	62	87
Gross Unrealized Losses	(351)	(437)
Held-to-maturity, fair value (in dollars)	$ 30,211	$ 33,540