Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 9,620	$ 8,061	$ 21,075	$ 23,718
Other comprehensive income:
Net unrealized gain (loss) on cashflow hedge	422	53	(1,477)	(370)
Net unrealized gain (loss) on available for sale debt securities	446	1,572	3,132	5,560
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax			0	(328)
Other Comprehensive Income (Loss), Net of Tax	868	1,625	1,655	4,862
Total comprehensive income	10,488	9,686	22,730	28,580
Net unrealized gain (loss) on cashflow hedge, deferred tax	133	17	(466)	(117)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	365	109	614	368
Net unrealized gain (loss) on cashflow hedge	555	70	(1,943)	(487)
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax	587	2,068	4,121	7,315
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax	141	496	989	1,755
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	$ 1,522	$ 453	$ 2,560	1,535
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax				(432)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax				$ (104)