Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow (Details)

v3.23.1
Supplemental Cash Flow (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Supplemental cash flow information:    
Interest paid $ 54,233 $ 54,930
Income taxes paid 0 0
Non-cash investing and financing activities:    
Change in accrued capital expenditures 67,460 (8,897)
Change in asset retirement costs 568 289
Proceeds from income tax refunds $ 200 $ 2,800