Commitments and Contingencies - Activity in Recorded Environmental Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2021
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at beginning of period	$ 45,771
Expenditures	(394)
Accretion of discount	242
Foreign currency translation adjustments and other	(605)
Balance at end of period	$ 45,771	$ 45,014
Less amounts reported in Accrued expenses		9,209
Amounts reported in Other noncurrent liabilities		$ 35,805

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Amount of expense for newly incurred environmental loss contingencies. Includes, but is not limited to, remediation expense and interest accretion.

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