Combined Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Net revenue	$ 1,702,367	$ 1,097,174	$ 937,553
Cost of revenue	1,236,938	872,887	744,858
Gross profit	465,429	224,287	192,695
Operating expenses:
Sales, general and administrative	257,004	163,033	138,915
Product development	50,064	37,547	31,990
Total operating expenses	307,068	200,580	170,905
Operating income	158,361	23,707	21,790
Other (expense) income:
Interest expense	(35,137)	(35,548)	(32,680)
Other (expense) income, net	(1,182)	(1,558)	183
Total other expense, net	(36,319)	(37,106)	(32,497)
Income (loss) before income taxes	122,042	(13,399)	(10,707)
Income tax (expense) benefit	(18,825)	5,005	(3,013)
Net income (loss)	$ 103,217	$ (8,394)	$ (13,720)
Net income (loss) per share
Basic	$ 1.20	$ 0.11	$ 0.18
Diluted	$ 1.14	$ 0.11	$ 0.18
Weighted-average shares used to compute net income (loss) per share
Basic	86,256	76,223	75,458
Diluted	90,577	76,223	75,458