Investment Securities - Portfolio of Available-for-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	$ 298,453	$ 272,588
Gross Unrealized Gains	4,345	6,471
Gross Unrealized Losses	2,463	2,075
Fair Value	300,335	276,984
Obligations of state and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	38,192	43,079
Gross Unrealized Gains	1,148	1,555
Gross Unrealized Losses	95	29
Fair Value	39,245	44,605
GSE mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	93,368	106,208
Gross Unrealized Gains	2,783	3,183
Gross Unrealized Losses	407	288
Fair Value	95,744	109,103
Collateralized mortgage obligations: residential
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	155,241	62,093
Gross Unrealized Gains	392	266
Gross Unrealized Losses	1,892	1,520
Fair Value	153,741	60,839
Collateralized mortgage obligations: commercial
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	9,552	24,462
Gross Unrealized Gains	22	190
Gross Unrealized Losses	65	107
Fair Value	9,509	24,545
Mutual funds
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost	2,100	2,100
Gross Unrealized Gains	0	4
Gross Unrealized Losses	4	0
Fair Value	$ 2,096	2,104
U.S. Government sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		10,339
Gross Unrealized Gains		0
Gross Unrealized Losses		112
Fair Value		10,227
Other asset-backed securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		24,041
Gross Unrealized Gains		321
Gross Unrealized Losses		19
Fair Value		24,343
Collateralized debt obligation
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale, Amortized Cost		266
Gross Unrealized Gains		952
Gross Unrealized Losses		0
Fair Value		$ 1,218

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 before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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