Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net earnings	$ 1,491us-gaap_NetIncomeLoss	$ 6,858us-gaap_NetIncomeLoss
Unrealized gains on securities available-for-sale:
Unrealized holding gains arising during the year	1,701	2,946
Less: reclassification adjustment for gains on sales of securities available-for-sale	(115)	0
Total other comprehensive income, before tax	1,586	2,946
Income tax effect related to items of other comprehensive income	(555)us-gaap_OtherComprehensiveIncomeLossTax	(1,031)us-gaap_OtherComprehensiveIncomeLossTax
Total other comprehensive income, net of tax	1,031	1,915
Total comprehensive income	$ 2,522us-gaap_ComprehensiveIncomeNetOfTax	$ 8,773us-gaap_ComprehensiveIncomeNetOfTax

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