Income Taxes - Reconciliation of the Federal Statutory Income Tax Rate to the Company's Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State income taxes - net of federal tax benefit	3.10%	3.30%	5.20%
Foreign tax rate differential	1.30%	0.30%
Non-deductible expenses	0.40%	0.70%	1.00%
Changes in unrecognized tax benefits		(0.80%)	0.40%
Foreign tax incentives			0.40%
Other	(0.20%)	0.20%	(0.20%)
Effective tax rate for the year	25.60%	24.70%	27.00%