Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow

v3.21.1
Supplemental Cash Flow
3 Months Ended
Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Supplemental Cash Flow
Three Months Ended March 31,
2021 2020
Supplemental cash flow information:
Interest paid, net of capitalized amounts $12,983  $15,820 
Income taxes paid —  — 
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases $8,065  $11,821 
Investing cash flows from operating leases 6,005  5,716 
Non-cash investing and financing activities:
Change in accrued capital expenditures $18,903  $84,594 
Change in asset retirement costs 1,151  905 
ROU assets obtained in exchange for lease liabilities:
Operating leases $6,476  $8,366