CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 8,970	$ 8,617	$ 25,317	$ 19,386
Other comprehensive (loss) income, before tax:
Changes in unrealized loss on securities available for sale	(5,850)	512	(19,639)	5,119
Changes in unrealized loss on derivative hedges	299	(84)	1,179	(805)
Changes in unrealized loss on pension	0	5	41	45
Income taxes related to other comprehensive (loss) income :
Changes in unrealized loss on securities available for sale	1,291	(192)	4,565	(1,839)
Changes in unrealized loss on derivative hedges	(81)	31	(290)	373
Changes in unrealized loss on pension	0	(2)	(10)	(2)
Total other comprehensive (loss) income	(4,341)	270	(14,154)	2,891
Total comprehensive income	$ 4,629	$ 8,887	$ 11,163	$ 22,277

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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