CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 22,620	$ 32,937	$ 25,993
Other comprehensive income (loss), before tax:
Changes in unrealized loss on securities available for sale	18,646	(8,563)	526
Changes in unrealized loss on derivative hedges	2,216	654
Changes in unrealized loss on derivative hedges	1,768	486	(838)
Changes in unrealized loss on post-retirement plans	(350)	(216)	(326)
Income taxes related to other comprehensive income (loss):
Changes in unrealized loss on securities available for sale	(4,434)	1,978	(114)
Changes in unrealized loss on derivative hedges	(448)	(168)
Changes in unrealized loss on derivative hedges			386
Changes in unrealized loss on post-retirement plans	83	47	138
Total other comprehensive income (loss)	15,713	(6,268)	(228)
Total comprehensive income	$ 38,333	$ 26,669	$ 25,765

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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