Statement of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income	$ 28,793,000	$ 68,644,000	$ 63,084,000
Cash flow hedge adjustments, net of taxes of $317 and $224 for the years ended December 31, 2018 and 2017, respectively	1,003,000	(365,000)	0
Foreign currency translation adjustment, net of taxes of $0, $56 and $185 for the years ended December 31, 2018, 2017 and 2016, respectively	(3,104,000)	6,694,000	(514,000)
Other adjustments, net of taxes of $0 for the years ended December 31, 2018 and 2017	115,000	(16,000)	0
Other Comprehensive Income (Loss), Net of Tax	(1,986,000)	6,313,000	(514,000)
Comprehensive income	26,807,000	74,957,000	62,570,000
Other Comprehensive Income (Loss), Cash Flow Hedge Adjustments, Tax	317,000	(224,000)	0
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	0	56,000	185,000
Other Comprehensive (Income) Loss, Other Adjustments, Tax	$ 0	$ 0	$ 0