Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 289,545	$ 312,054
Cost of revenues	147,732	160,845
Gross profit	141,813	151,209
Operating expenses
General and administrative	58,509	55,005
Research and development	7,167	5,945
Sales and marketing	38,395	48,517
Depreciation and amortization	35,955	39,149
Total operating expenses	140,026	148,616
Income from operations	1,787	2,593
Other expenses
Other expense	118	308
Loss on extinguishment of debt		7,203
Interest expense	50,659	48,377
Loss before income taxes	(48,990)	(53,295)
Income tax provision	936	719
Net loss	(49,926)	(54,014)
Other comprehensive income, net of tax
Foreign currency translation	4,947	311
Total other comprehensive income, net of tax	4,947	311
Comprehensive loss	$ (44,979)	$ (53,703)
Net loss per share - basic and diluted	$ (1.17)	$ (1.27)
Weighted average shares outstanding - basic and diluted	42,529,017	42,425,295