Contingencies - Narrative (Details) - USD ($)															3 Months Ended	6 Months Ended	12 Months Ended
	Nov. 05, 2019	Aug. 08, 2019	Sep. 11, 2017	Dec. 15, 2015	Jul. 01, 2014	Jun. 26, 2014	Mar. 27, 2014	Jun. 21, 2013	Feb. 01, 2013	Dec. 18, 2012	Dec. 17, 2012	Oct. 04, 2012	Dec. 29, 2011	Dec. 22, 2011	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Oct. 18, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 04, 2015
Contingencies [Line Items]
Accrual																	$ 700,000	$ 1,900,000		$ 400,000	$ 3,200,000
Reasonably possible (but not probable, and therefore not accrued) losses in excess of accruals																	14,900,000
Brazilian Value- Added Tax Matters
Contingencies [Line Items]
Accrual	$ 1,200,000																		$ 3,000,000.0			$ 4,100,000
Assessments and penalties	$ 700,000					$ 600,000	$ 700,000	$ 1,500,000	$ 100,000	$ 400,000	$ 3,500,000	$ 1,200,000	$ 100,000	$ 2,000,000.0
Improperly offset tax credits				$ 100,000	$ 100,000
Brazilian Value- Added Tax Matters | Forecast
Contingencies [Line Items]
Loss return cash deposit																$ 600,000
Loss payments															$ 600,000
Cash deposits															$ 1,200,000
Brazilian Tax Credit Matters
Contingencies [Line Items]
Accrual																	2,500,000
Assessments and penalties			$ 200,000														1,700,000
Improperly offset tax credits		$ 100,000
Pending Litigation | Brazilian Value- Added Tax Matters
Contingencies [Line Items]
Reasonably possible losses that may be incurred																	13,800,000
Accrual																	0
Deposit to partially mitigate interest and penalties																	10,500,000
Pending Litigation | Other matters
Contingencies [Line Items]
Reasonably possible losses that may be incurred																	$ 1,100,000