Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statements of Comprehensive Income [Abstract]
Net earnings	$ 1,862us-gaap_ProfitLoss	$ 1,821us-gaap_ProfitLoss
Other comprehensive income (loss), net of tax:
Unrealized net holding gain (loss) on securities	686	2,565
Reclassification adjustment for net (gain) loss on securities recognized in net earnings	(2)	194
Other comprehensive income (loss), net of tax	684	2,759
Comprehensive income (loss)	$ 2,546us-gaap_ComprehensiveIncomeNetOfTax	$ 4,580us-gaap_ComprehensiveIncomeNetOfTax

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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