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Commitments and Contingencies Activity in Recorded Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance, beginning of year $ 75,872 $ 60,246
Acquisitions 0 1,222
Additions and changes in estimates 4,832 15,750
Accretion of discount 2,098 2,531
Liabilities settled (3,605) (3,980)
Foreign currency translation adjustments and other 16 103
Balance, end of year 79,213 75,872
Less amounts reported in Accrued expenses 3,017 1,016
Amounts reported in Other noncurrent liabilities $ 76,196 $ 74,856