Condensed Consolidated Statements of Comprehensive Income/(Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Condensed Consolidated Statements of Comprehensive (Loss)/Income
Net loss	$ (14,106)	$ (12,336)	$ (14,020)	$ (19,347)
Other comprehensive (loss)/income, net of tax:
(Losses)/gains on interest rate swap	(401)	(2,360)	6,004	(9,178)
Total other comprehensive (loss)/income, net of tax	(401)	(2,360)	6,004	(9,178)
Total comprehensive loss, net of tax	$ (14,507)	$ (14,696)	$ (8,016)	$ (28,525)