Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Securities available-for-sale:
Amortized Cost	$ 195,053	$ 201,497
Gross Unrealized Gains	5,858	5,126
Gross Unrealized Losses	(143)	(288)
Estimated Fair Value	200,768us-gaap_AvailableForSaleSecurities	206,335us-gaap_AvailableForSaleSecurities
Agency mortgage-backed securities
Securities available-for-sale:
Amortized Cost	144,163	150,570
Gross Unrealized Gains	4,027	3,867
Gross Unrealized Losses	(143)	(265)
Estimated Fair Value	148,047	154,172
Corporate bonds
Securities available-for-sale:
Amortized Cost	35,890	35,927
Gross Unrealized Gains	1,287	959
Gross Unrealized Losses		(23)
Estimated Fair Value	37,177	36,863
Trust preferred securities
Securities available-for-sale:
Amortized Cost	15,000	15,000
Gross Unrealized Gains	544	300
Estimated Fair Value	$ 15,544	$ 15,300

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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