Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 6,280	$ 5,278	$ 13,723	$ 3,662
Other comprehensive (loss) income:
Net unrealized gain (loss) on cashflow hedge	377	170	1,092	667
Net unrealized gain (loss) on available for sale debt securities	(475)	1,879	(3,810)	2,070
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	0	219	0	219
Other Comprehensive Income (Loss), Net of Tax	(98)	2,268	(2,718)	2,956
Total comprehensive income	$ 6,182	$ 7,546	$ 11,005	$ 6,618