Income Taxes - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income tax carryforwards
Statutory federal income tax rate	21.00%	21.00%	21.00%	21.00%	35.00%
Discrete income tax provision adjustment related to vesting of restricted stock				$ 5,100
Net operating loss carryforwards		$ 56
Deferred tax assets, valuation allowance		434
Income tax payments (refunds)		(10,100)	$ (11,800)	18,000
Accrued interest and penalties		17	$ 203	$ 263
Net tax benefit due to CARES Act provisions		29,000
Federal
Income tax carryforwards
Net operating loss carryforwards		95,500
State and Local Jurisdiction
Income tax carryforwards
Net operating loss carryforwards		60,200
Foreign
Income tax carryforwards
Net operating loss carryforwards		$ 4,800