Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net unrealized gain (loss) on cashflow hedge	$ (1,072)	$ (545)	$ (2,499)	$ (557)
Net unrealized gain (loss) on cashflow hedge, deferred tax	(257)	(131)	(600)	(134)
Net unrealized gain (loss) on available for sale debt securities	4,350	2,001	3,534	5,247
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	1,044	480	848	1,259
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	0	1,086	1,038	1,082
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	0	261	249	260
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	0	0	0	(432)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	$ 0	$ 0	$ 0	$ (104)