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Long-Term Debt and Credit Facilities - Revolving Letters of Credit and Senior Notes (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Senior Notes    
Long-term Debt and Credit Facilities    
Redemption price, percentage 101.00%  
Letter of Credit | Uncommitted Revolving Letter of Credit Facility    
Long-term Debt and Credit Facilities    
Maximum borrowing capacity $ 225,000,000  
Letter of Credit | Committed Facility and Various Other Facilities    
Long-term Debt and Credit Facilities    
Letters of credit outstanding 94,000,000 $ 88,000,000
Revolving Credit Facility    
Long-term Debt and Credit Facilities    
Letters of credit outstanding $ 0 $ 0