Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Schedule of Depreciation, Amortization, Accretion, and Depletion (Details)

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Property, Plant and Equipment - Schedule of Depreciation, Amortization, Accretion, and Depletion (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 76,093 $ 93,332 $ 112,435
Accretion and depletion expense 1,381 970 3,477
Amortization expense 1,001 1,015 1,121
Depreciation, depletion, amortization and accretion $ 78,475 $ 95,317 $ 117,033