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Securities (Summary of Book Values and Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Securities available for sale:
Amortized Cost	$ 179,608	$ 158,708
Fair Value	178,765	158,018	$ 153,238
Unrealized Gains	647	830
Unrealized (Losses)	(1,490)	(1,520)
Securities held to maturity:
Amortized Cost	160,048	178,687	53,821
Fair Value	162,858	182,411	$ 57,601
Unrealized Gains	3,258	3,832
Unrealized (Losses)	(448)	(108)
Government-sponsored enterprises securities [Member]
Securities available for sale:
Amortized Cost	27,789	27,546
Fair Value	27,850	27,521
Unrealized Gains	69	33
Unrealized (Losses)	(8)	(58)
Mortgage-backed securities [Member]
Securities available for sale:
Amortized Cost	126,508	130,073
Fair Value	125,836	129,510
Unrealized Gains	520	751
Unrealized (Losses)	(1,192)	(1,314)
Securities held to maturity:
Amortized Cost	107,787	124,924
Fair Value	$ 107,360	124,861
Unrealized Gains		45
Unrealized (Losses)	$ (427)	(108)
Corporate bonds [Member]
Securities available for sale:
Amortized Cost	25,223	1,000
Fair Value	24,948	$ 865
Unrealized Gains	4
Unrealized (Losses)	(279)	$ (135)
Equity securities [Member]
Securities available for sale:
Amortized Cost	88	89
Fair Value	131	122
Unrealized Gains	54	46
Unrealized (Losses)	(11)	(13)
States and local governments [Member]
Securities held to maturity:
Amortized Cost	52,261	53,763
Fair Value	55,498	57,550
Unrealized Gains	3,258	$ 3,787
Unrealized (Losses)	$ (21)

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