CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 33,244	$ 22,620	$ 32,937
Other comprehensive income, before tax:
Changes in unrealized gain (loss) on securities available for sale	5,819	18,646	(8,563)
Changes in unrealized gain on hedging derivatives	3,772	2,216	654
Changes in unrealized loss on pension	(338)	(350)	(216)
Income taxes related to other comprehensive income:
Changes in unrealized (gain) loss on securities available for sale	(1,345)	(4,434)	1,978
Changes in unrealized gain on hedging derivatives	(880)	(448)	(168)
Changes in unrealized loss on pension	77	83	47
Total other comprehensive income (loss)	7,105	15,713	(6,268)
Total comprehensive income	$ 40,349	$ 38,333	$ 26,669