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Income Taxes - Reconciliation of Statutory Rate to Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S. statutory tax rate	21.00%	21.00%	21.00%
U.S. state income taxes, net of U.S. federal tax benefit	1.90%	2.90%	5.00%
Foreign earnings at other than U.S. rates	0.30%	0.00%	(0.10%)
Change in valuation allowance	(33.10%)	(14.30%)	(2.70%)
Benefit of net operating loss carryback provision	0	0.011	0
Non-deductible goodwill impairment	0.00%	(11.50%)	(15.60%)
Non-controlling interest	0.00%	0.00%	(0.30%)
Nondeductible excess compensation	(10.10%)	(0.30%)	(0.50%)
Excess tax benefits (shortfalls) on stock-based compensation	8.10%	(0.30%)	(0.20%)
Convertible debt extinguishment	(1.50%)	0.00%	0.00%
Change in uncertain tax positions	0.20%	0.00%	0.10%
Nontaxable earnout	0.00%	0.00%	(1.40%)
Change in state rate	6.80%	1.30%	(0.70%)
Return to provision	6.60%	(0.80%)	1.00%
Change in indefinite reinvestment assertion for domestic subsidiaries	0.00%	1.00%	2.60%
Tax sharing settlement	(1.10%)	0.00%	0.00%
Other, net	(0.70%)	0.60%	(1.30%)
Effective tax rate	(1.60%)	0.70%	6.90%

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