Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Condensed Consolidated Statements of Comprehensive Income (unaudited) [Abstract]
Net income	$ 4,100	$ 3,781
Securities available for sale
Unrealized gains arising during period	2,114	2,270
Change in unrealized gains for which a portion of other than temporary impairment has been recognized in earnings	(36)	11
Reclassification adjustments for gains included in earnings	(174)	(75)
Unrealized gains recognized in other comprehensive income on securities available for sale	1,904	2,206
Income tax expense	667	772
Unrealized gains recognized in other comprehensive income on available for sale securities, net of tax	1,237	1,434
Other comprehensive income	1,237	1,434
Comprehensive income	$ 5,337	$ 5,215

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 before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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