Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL CASH FLOWS INFORMATION (Details)

v3.20.4
SUPPLEMENTAL CASH FLOWS INFORMATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Supplemental cash flows disclosures      
Interest paid $ 2,207 $ 6,433 $ 5,068
Income taxes paid 1,786 1,018 0
Supplemental disclosure of non‑cash investing and financing activities      
Capital expenditures included in accounts payable and accrued liabilities 14,803 31,226 137,647
Non-cash purchases of property and equipment $ 0 $ 0 $ 204,512