Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net unrealized gain (loss) on cashflow hedge	$ (268)	$ 1,645	$ 2,556
Net unrealized gain (loss) on cashflow hedge, deferred taxes	(64)	395	946
Net unrealized gain (loss) on available for sale debt securities	5,244	(4,920)	4,378
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	1,258	(1,181)	1,620
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	1,938	622	(14)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	465	149	(5)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax	(120)	(341)	521
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax	(29)	(82)	193
Other Comprehensive Income (Loss), Pension Plan, Gain (Loss) Arising During Period, before Tax	(184)	0	0
Other Comprehensive Income (Loss), Pension Plan, Gain (Loss) Arising During Period, Tax	$ (44)	$ 0	$ 0