Investment Securities - Summary Of Available-For-Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 281,310	$ 247,569
Gross Unrealized Gains	964	1,516
Gross Unrealized Losses	544	397
Investment securities available for sale	281,730us-gaap_AvailableForSaleSecurities	248,688us-gaap_AvailableForSaleSecurities
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	226,624	168,922
Gross Unrealized Gains	105	103
Gross Unrealized Losses	539	323
Investment securities available for sale	226,190	168,702
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	11,843	19,825
Gross Unrealized Gains	285	378
Gross Unrealized Losses	4	54
Investment securities available for sale	12,124	20,149
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,024	25
Gross Unrealized Gains	6	0
Gross Unrealized Losses	1	0
Investment securities available for sale	1,029	25
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	38,820	55,798
Gross Unrealized Gains	415	1,000
Gross Unrealized Losses	0	20
Investment securities available for sale	39,235	56,778
Preferred stock
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,999	2,999
Gross Unrealized Gains	153	35
Gross Unrealized Losses	0	0
Investment securities available for sale	$ 3,152	$ 3,034

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

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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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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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