Income Taxes - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) numberOfForeignSubsidiaries	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Income Tax Disclosure [Abstract]
Net tax benefit from CARES Act	$ 7,600
Current tax benefit from CARES Act	18,900
Deferred tax expense from CARES Act	$ 11,300
Number of foreign subsidiaries | numberOfForeignSubsidiaries	2
Net deferred tax benefits from foreign subsidiary restructuring	$ 8,300
Operating Loss Carryforwards [Line Items]
Valuation allowance	19,722	$ 18,631
Undistributed earnings of foreign subsidiaries	62,200
Unrecognized tax benefits	700		$ 300
U.S.
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	197,400
Net operating loss carryforwards not subject to expiration	85,100
Net operating loss carryforwards subject to expiration	112,300
Valuation allowance	2,900
Foreign
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 16,800