CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 4,211	$ 4,406
Other comprehensive income, before tax:
Changes in unrealized loss on securities available-for-sale	1,116	5,927
Changes in unrealized loss on derivative hedges	(223)	(714)
Changes in unrealized loss on pension	57	73
Income taxes related to other comprehensive income:
Changes in unrealized loss on securities available-for-sale	(348)	(2,074)
Changes in unrealized loss on derivative hedges	83	250
Changes in unrealized loss on pension	(21)	(26)
Total other comprehensive income	664	3,436
Total comprehensive income	$ 4,875	$ 7,842

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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