Income Taxes - Additional Information (Details) - USD ($)		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income tax carryforwards
Statutory federal income tax rate	21.00%	21.00%	21.00%	35.00%
Discrete tax benefit adjustment				$ 19,300,000
Discrete income tax provision adjustment related to vesting of restricted stock			$ 5,100,000
Tax expense related to executive compensation				1,300,000
Provisional expense			500,000
Valuation allowance, indefinite carryforward		$ 0
Deferred tax assets, valuation allowance		415,000
Unrecognized Tax Benefits		2,215,000	2,215,000	2,215,000
Income tax payments (refunds)		(11,800,000)	18,000,000.0	$ 98,000,000.0
Accrued interest and penalties		203,000	$ 263,000
Federal
Income tax carryforwards
Net operating loss carryforwards		93,600,000
State and Local Jurisdiction
Income tax carryforwards
Net operating loss carryforwards		23,900,000
Foreign
Income tax carryforwards
Net operating loss carryforwards		3,100,000
Deferred tax assets, valuation allowance		$ 0