Income Taxes - Effective Income Tax Rate Reconciliation Amount (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at U.S. statutory rate						$ (12,835)	$ 16,333	$ 13,562
State income taxes						(1,545)	3,375	2,049
Derecognition of tax assets from IRS examination						0	0	9,284
Equity-based compensation						1,542	852	168
Contingent consideration						567	5,553	134
Credits						(620)	(79)	(284)
Other nondeductible expenses						69	437	40
Effect of CARES Act						0	(6,608)	0
Foreign income benefit						0	(1,201)	(155)
Officer’s compensation						435	0	0
Transaction costs						950	0	0
Change in valuation allowance						14	0	(45)
Other						705	43	81
Total Income Tax Expense (Benefit)	$ (5,361)	$ (1,830)	$ 1,698	$ (132)	$ (5,493)	$ (10,718)	$ 18,705	$ 24,834