Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net unrealized gain (loss) on cashflow hedge	$ (1,427)	$ (12)
Net unrealized gain (loss) on cashflow hedge, deferred tax	(343)	(3)
Net unrealized gain (loss) on available for sale debt securities	(816)	3,246
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	(196)	779
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	1,038	(3)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	249	(1)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	0	(432)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	$ 0	$ (104)