Income Taxes - Effective Income Tax Rate (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%
Increase (decrease) in tax rate resulting from:
State income taxes (net of federal income tax benefit)	3.10%	2.80%	3.10%
Non-U.S. income taxed at different rate than U.S. statutory rate	4.00%	0.80%	2.20%
Foreign derived intangible income taxation	(1.60%)	(1.50%)	(1.80%)
Goodwill impairment	1.10%	0.00%	0.00%
Compensation related	0.00%	(0.80%)	(0.50%)
Non-taxable income	(3.30%)	0.00%	0.00%
Uncertain tax positions	1.50%	0.50%	0.00%
Other	(0.10%)	0.00%	0.00%
Effective income tax rate	25.70%	22.80%	24.00%