Income Taxes - Reconciliation of Income Tax Expense (Benefit) (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes, net of federal income tax benefit	5.80%	(1.20%)	2.80%
Goodwill impairment	0.00%	(26.40%)	0.00%
Tax law changes	(1.50%)	(0.20%)	17.20%
Global intangible low-taxed income	0.00%	(0.40%)	1.80%
Net foreign income tax	0.90%	(0.80%)	(4.80%)
Executive compensation limitation	0.00%	(0.20%)	1.20%
Research and development credits	(0.60%)	0.10%	(1.30%)
Other, net	(0.30%)	(0.50%)	(1.40%)
Effective income tax rate	25.30%	(8.60%)	36.50%