Investment Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
ScheduleOfAvailableForSaleSecuritiesLineItems
Available-for-sale securities, Amortized Cost	$ 228,176	$ 235,579
Available-for-sale securities, Gross Unrealized Gains	921	1,328
Available-for-sale securities, Gross Unrealized Losses	887	799
Available-for-sale securities, Estimated Fair Value	228,210	236,108
Held-to-maturity securities, Amortized Cost	4,513	4,630
Held-to-maturity securities, Gross Unrealized Gains	123	147
Held-to-maturity securities, Gross Unrealized Losses	81	83
Held-to-maturity securities, Estimated Fair Value	4,555	4,694
US Treasury Securities [Member]
ScheduleOfAvailableForSaleSecuritiesLineItems
Available-for-sale securities, Amortized Cost	5,144	5,210
Available-for-sale securities, Gross Unrealized Gains	11	5
Available-for-sale securities, Gross Unrealized Losses	0	0
Available-for-sale securities, Estimated Fair Value	5,155	5,215
US Government Corporations and Agencies Securities [Member]
ScheduleOfAvailableForSaleSecuritiesLineItems
Available-for-sale securities, Amortized Cost	70,449	75,220
Available-for-sale securities, Gross Unrealized Gains	175	87
Available-for-sale securities, Gross Unrealized Losses	249	347
Available-for-sale securities, Estimated Fair Value	70,375	74,960
Held-to-maturity securities, Amortized Cost	2,676	2,791
Held-to-maturity securities, Gross Unrealized Gains	0	0
Held-to-maturity securities, Gross Unrealized Losses	81	83
Held-to-maturity securities, Estimated Fair Value	2,595	2,708
US States and Political Subdivisions Debt Securities [Member]
ScheduleOfAvailableForSaleSecuritiesLineItems
Held-to-maturity securities, Amortized Cost	1,837	1,839
Held-to-maturity securities, Gross Unrealized Gains	123	147
Held-to-maturity securities, Gross Unrealized Losses	0	0
Held-to-maturity securities, Estimated Fair Value	1,960	1,986
Collateralized Mortgage Backed Securities [Member]
ScheduleOfAvailableForSaleSecuritiesLineItems
Available-for-sale securities, Amortized Cost	151,952	154,525
Available-for-sale securities, Gross Unrealized Gains	730	1,230
Available-for-sale securities, Gross Unrealized Losses	638	452
Available-for-sale securities, Estimated Fair Value	152,044	155,303
Equity Securities [Member]
ScheduleOfAvailableForSaleSecuritiesLineItems
Available-for-sale securities, Amortized Cost	631	624
Available-for-sale securities, Gross Unrealized Gains	5	6
Available-for-sale securities, Gross Unrealized Losses	0	0
Available-for-sale securities, Estimated Fair Value	636	$ 630
Held-to-maturity securities, Amortized Cost	0
Held-to-maturity securities, Estimated Fair Value	$ 0

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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-Name Accounting Standards Codification

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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