Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenues	$ 81,650	$ 64,381	$ 157,100	$ 142,652
Cost of revenues	40,887	34,214	78,309	73,734
Gross profit	40,763	30,167	78,791	68,918
Operating expenses
General and administrative	16,573	12,400	32,013	28,253
Research and development	2,400	1,639	4,571	3,306
Sales and marketing	10,116	8,660	19,573	20,305
Depreciation and amortization	7,483	8,985	15,124	17,901
Total operating expenses	36,572	31,684	71,281	69,765
Income (loss) from operations	4,191	(1,517)	7,510	(847)
Other (income) expenses
Other expense	11	63	25	91
Change in fair value of Private Warrants	254		(1,715)
Interest expense	12,535	12,970	24,792	25,932
Loss on debt extinguishment			7,257
Loss before income taxes	(8,609)	(14,550)	(22,849)	(26,870)
Income tax provision	256	368	872	574
Net loss	(8,865)	(14,918)	(23,721)	(27,444)
Other comprehensive income (loss), net of tax
Foreign currency translation	715	2,733	(1,747)	(1,695)
Total other comprehensive income (loss), net of tax	715	2,733	(1,747)	(1,695)
Comprehensive loss	$ (8,150)	$ (12,185)	$ (25,468)	$ (29,139)
Net loss per share - basic and diluted	$ (0.21)	$ (0.35)	$ (0.56)	$ (0.65)
Weighted average shares outstanding - basic and diluted	42,560,117	42,529,017	42,555,105	42,529,017