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Joint Ventures (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2017 | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Joint Ventures |  |  |  |  |  |  |  |
Redeemable noncontrolling interest |  |  | $ 750,600 |  | $ 739,075 |  |  |
Assets: |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 412,864 |  | 1,057,487 |  | $ 469,438 | $ 451,025
Accounts receivable |  |  | 416,873 |  | 347,837 |  |  |
Other current assets |  |  | 82,137 |  | 79,865 |  |  |
Property, plant and equipment, net |  |  | 2,841,294 |  | 2,898,728 |  |  |
Other long-term assets |  |  | 177,339 |  | 179,200 |  |  |
Total assets |  |  | 4,644,972 | [1] | 5,277,965 | [1] | $ 5,277,965 |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable |  |  | 319,436 |  | 294,442 |  |  |
Other liabilities |  |  | 255,531 |  | 270,014 |  |  |
Total liabilities | [1] |  | 3,371,549 |  | 3,996,880 |  |  |
SANAD |  |  |  |  |  |  |  |
Joint Ventures |  |  |  |  |  |  |  |
Cash contribution for capitalizing the joint venture upon formation |  | $ 20,000 |  |  |  |  |  |
Additional contribution amount |  | $ 394,000 |  |  |  |  |  |
Maturity period |  | 25 years |  |  |  |  |  |
SANAD |  |  |  |  |  |  |  |
Joint Ventures |  |  |  |  |  |  |  |
Redeemable noncontrolling interest |  |  | 430,900 |  | 423,600 |  |  |
Assets: |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 253,995 |  | 281,329 |  |  |
Accounts receivable |  |  | 158,819 |  | 86,461 |  |  |
Other current assets |  |  | 19,807 |  | 12,461 |  |  |
Property, plant and equipment, net |  |  | 668,924 |  | 646,215 |  |  |
Other long-term assets |  |  | 26,355 |  | 25,099 |  |  |
Total assets |  |  | 1,127,900 |  | 1,051,565 |  |  |
Liabilities: |  |  |  |  |  |  |  |
Accounts payable |  |  | 109,443 |  | 88,432 |  |  |
Accrued liabilities |  |  | 20,153 |  | 10,301 |  |  |
Other liabilities |  |  | 48,069 |  | 38,524 |  |  |
Total liabilities |  |  | $ 177,665 |  | $ 137,257 |  |  |
[1] | The condensed consolidated balance sheets as of March 31, 2024 and December 31, 2023 include assets and liabilities of variable interest entities. See Note 3—Joint Ventures and Note 13—Special Purpose Acquisition Company for additional information.

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