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INCOME TAXES - Provision for income taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Provision for income taxes |  |  |
Income (loss) before income taxes and equity in earnings (losses) of affiliates | $ (82,302) | $ 408,525 | $ 356,468
Current tax expense (benefit) | 88,791 | 75,050 | 57,269
Deferred tax expense (benefit) | (105,367) | (15,549) | 16,084
Total income tax expense (benefit) | (16,576) | 59,501 | 73,353
Canada |  |  |
Provision for income taxes |  |  |
Income (loss) before income taxes and equity in earnings (losses) of affiliates | (38,474) | (61,704) | (19,357)
Current tax expense (benefit) | 972 | 1,944 | (16,707)
Deferred tax expense (benefit) | (8,799) | 2,048 | 10,629
Total income tax expense (benefit) | (7,827) | 3,992 | (6,078)
United States |  |  |
Provision for income taxes |  |  |
Income (loss) before income taxes and equity in earnings (losses) of affiliates | (151,101) | (49,536) | 22,275
Current tax expense (benefit) | (16,750) | 12,570 | (1,684)
Deferred tax expense (benefit) | (31,637) | (4,176) | 1,996
Total income tax expense (benefit) | (48,387) | 8,394 | 312
PRC including Hong Kong and Taiwan |  |  |
Provision for income taxes |  |  |
Income (loss) before income taxes and equity in earnings (losses) of affiliates | 134,752 | 230,768 | 193,705
Current tax expense (benefit) | 95,325 | 55,780 | 47,528
Deferred tax expense (benefit) | (70,231) | (724) | 500
Total income tax expense (benefit) | 25,094 | 55,056 | 48,028
Others |  |  |
Provision for income taxes |  |  |
Income (loss) before income taxes and equity in earnings (losses) of affiliates | (27,479) | 288,997 | 159,845
Current tax expense (benefit) | 9,244 | 4,756 | 28,132
Deferred tax expense (benefit) | 5,300 | (12,697) | 2,959
Total income tax expense (benefit) | $ 14,544 | $ (7,941) | $ 31,091

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