Consolidated Statements of Other Comprehensive Income Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Other Comprehensive Income [Abstract]
Net loss	$ (22,280)	$ (13,389)	$ (26,241)
Unrecognized loss on derivatives instruments, net of taxes	(1,320)	0	0
Comprehensive loss	$ (23,600)	$ (13,389)	$ (26,241)