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Other Benefits (Details) - Phantom Share Units (PSUs) [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Compensation Related Costs [Abstract]          
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent $ 7,100   $ 7,100   $ 17,300
Deferred Compensation Cash-Based Arrangements, Liability, Current         10,900
Deferred Compensation Cash-Based Arrangements, Liability, Classified, Noncurrent         6,400
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years    
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent 7,900   $ 7,900   22,700
Share-based Payment Arrangement, Expense 1,800 $ 3,400 1,600 $ 9,800  
Deferred Compensation Cash-Based Arrangements, Liability, Current         10,900
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent 7,100   7,100   17,300
Deferred Compensation Cash-Based Arrangements, Liability, Classified, Noncurrent         $ 6,400
Share-based Payment Arrangement, Expense $ 1,800 $ 3,400 $ 1,600 $ 9,800