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OPERATING SEGMENTS - Disaggregation of Segments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 1,474,199 | $ 853,089 | $ 606,850
Production costs | 671,374 | 444,538 | 349,619
Depreciation, depletion, and amortization | 227,959 | 109,258 | 85,644
Exploration. evaluation, and reclamation costs | 42,382 | 27,043 | 22,084
Care and maintenance expense | 0 | 29,593 | 0
Transaction, integration and SEC conversion expense | 11,240 | 20,813 | 0
Impairment of long-lived and other assets | 20,275 | 0 | 0
Operating income | 444,375 | 188,275 | 118,395
Capital expenditures | 141,571 | 122,194 | 97,121
Assets | 5,211,438 | 5,177,344 | 1,691,518
Corporate and other (1) |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 0 | 0 | 0
Production costs | 0 | 0 | 0
Depreciation, depletion, and amortization | 0 | 0 | 0
Exploration. evaluation, and reclamation costs | 1,877 | 538 | 679
Care and maintenance expense | 0 | 0 | 0
Transaction, integration and SEC conversion expense | 11,240 | 20,813 | 0
Impairment of long-lived and other assets | 0 | 0 | 0
Operating income | (62,070) | (52,819) | (29,528)
Capital expenditures | 0 | 0 | 0
Assets | 659,012 | 622,902 | 356,413
Çöpler | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 607,887 | 205,535 |
Production costs | 264,889 | 121,614 |
Depreciation, depletion, and amortization | 125,220 | 33,793 |
Exploration. evaluation, and reclamation costs | 10,868 | 3,560 |
Care and maintenance expense | 0 | 0 |
Transaction, integration and SEC conversion expense | 0 | 0 |
Impairment of long-lived and other assets | 0 | 0 |
Operating income | 201,302 | 46,546 |
Capital expenditures | 34,699 | 22,883 |
Assets | 2,290,367 | 2,254,320 |
Marigold | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 426,391 | 409,799 | 315,413
Production costs | 219,035 | 216,358 | 192,032
Depreciation, depletion, and amortization | 35,410 | 34,619 | 34,372
Exploration. evaluation, and reclamation costs | 2,979 | 3,742 | 2,672
Care and maintenance expense | 0 | 0 | 0
Transaction, integration and SEC conversion expense | 0 | 0 | 0
Impairment of long-lived and other assets | 0 | 0 | 0
Operating income | 169,070 | 154,645 | 85,519
Capital expenditures | 55,861 | 55,567 | 46,390
Assets | 566,015 | 601,804 | 487,958
Seabee | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 213,860 | 135,230 | 146,059
Production costs | 66,354 | 40,575 | 46,627
Depreciation, depletion, and amortization | 45,334 | 28,341 | 36,345
Exploration. evaluation, and reclamation costs | 11,867 | 6,390 | 8,763
Care and maintenance expense | 0 | 13,644 | 0
Transaction, integration and SEC conversion expense | 0 | 0 | 0
Impairment of long-lived and other assets | 0 | 0 | 0
Operating income | 90,332 | 46,152 | 54,077
Capital expenditures | 40,553 | 32,782 | 34,010
Assets | 479,370 | 454,484 | 482,085
Puna | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 226,061 | 102,525 | 145,378
Production costs | 121,096 | 65,991 | 110,960
Depreciation, depletion, and amortization | 21,995 | 12,505 | 14,927
Exploration. evaluation, and reclamation costs | 1,764 | (373) | 2,840
Care and maintenance expense | 0 | 15,949 | 0
Transaction, integration and SEC conversion expense | 0 | 0 | 0
Impairment of long-lived and other assets | 0 | 0 | 0
Operating income | 79,043 | 6,937 | 15,457
Capital expenditures | 10,458 | 10,962 | 16,721
Assets | 293,470 | 225,033 | 253,835
Exploration, evaluation and development properties | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 0 | 0 | 0
Production costs | 0 | 0 | 0
Depreciation, depletion, and amortization | 0 | 0 | 0
Exploration. evaluation, and reclamation costs | 13,027 | 13,186 | 7,130
Care and maintenance expense | 0 | 0 | 0
Transaction, integration and SEC conversion expense | 0 | 0 | 0
Impairment of long-lived and other assets | 20,275 | 0 | 0
Operating income | (33,302) | (13,186) | (7,130)
Capital expenditures | 0 | 0 | 0
Assets | $ 923,204 | $ 1,018,801 | $ 111,227

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