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v3.21.1

Consolidated financial statements (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Accounts payable | $ (3,543) | $ (10,145)
Net cash provided by operating activities | 39,581 | 26,468
Purchases of capital assets | (21,670) | (14,269)
Net cash used by investing activities | (21,850) | (13,915)
Proceeds from issuing long-term debt | 5,000 | 309,000
Payments on long-term debt | (5,000) | (52,500)
Net cash provided by financing activities | (14,231) | 211,156
Net change in cash, cash equivalents, restricted cash and restricted cash equivalents | $ 5,106 | 210,992
As previously reported [Member] |  |
Accounts payable |  | (18,059)
Net cash provided by operating activities |  | 18,554
Purchases of capital assets |  | (6,355)
Net cash used by investing activities |  | (6,001)
Proceeds from issuing long-term debt |  | 1,011,000
Payments on long-term debt |  | (754,500)
Net cash provided by financing activities |  | 211,156
Net change in cash, cash equivalents, restricted cash and restricted cash equivalents |  | 210,992
Adjustment [Member] |  |
Accounts payable |  | 7,914
Net cash provided by operating activities |  | 7,914
Purchases of capital assets |  | (7,914)
Net cash used by investing activities |  | (7,914)
Proceeds from issuing long-term debt |  | (702,000)
Payments on long-term debt |  | 702,000
Net cash provided by financing activities |  | 0
Net change in cash, cash equivalents, restricted cash and restricted cash equivalents |  | $ 0

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