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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Consolidated Statements of Comprehensive Income
Net income	$ 4,572	$ 3,322
Unrealized holding (losses) gains on available-for-sale securities arising during the period	4,078	(2,309)
Related tax benefit (expense)	(1,614)	925
Holding (losses) gains after tax on available-for-sale securities	2,464	(1,384)
Less: Reclassification adjustment for the net (losses) gains realized during the period
Net realized (losses) gains	(136)	(61)
Income tax benefit (expense) on net realized gains	54	25
Net realized (losses) gains after tax	(82)	(36)
Other comprehensive (loss) income on available-for-sale securities	2,546	(1,348)
Accretion of net unrealized holding gains on held-to-maturity transferred from available-for-sale securities		224
Related tax expense		(92)
Other comprehensive income on held-to-maturity securities		132
Changes in fair value of derivatives used for cashflow hedges	149	(2,427)
Related tax benefit	(61)	972
Other comprehensive loss on cashflow hedges	88	(1,455)
Total other comprehensive income (loss) income	2,634	(2,671)
Total comprehensive income	$ 7,206	$ 651

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