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OPERATING SEGMENTS - Disaggregation of Segments (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) segment | Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | $ 230,234 | $ 314,614 |
Cost of sales | [1] | 125,901 | 199,297 |
Depreciation, depletion, and amortization |  | 38,398 | 47,095 |
Exploration and evaluation |  | 10,231 | 10,525 |
Care and maintenance expense |  | 14,409 | 0 |
Operating income (loss) |  | (376,424) | 36,985 |
Capital expenditures |  | 36,237 | 50,683 |
Total assets |  | 5,251,782 | 5,234,803 | $ 5,385,773
Reclamation and remediation costs |  | 275,318 | $ 2,173 |
Number of reportable segments | segment |  |  | 4 |
Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 230,234 | $ 314,614 |
Cost of sales |  | 125,901 | 199,297 |
Depreciation, depletion, and amortization |  | 38,398 | 47,095 |
Exploration and evaluation |  | 8,750 | 8,575 |
Care and maintenance expense |  | 14,409 |  |
Operating income (loss) |  | (362,082) | 56,685 |
Capital expenditures |  | 28,105 | 50,683 |
Total assets |  | 4,335,837 | 4,888,729 |
Operating segments | Çöpler |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 48,571 | 110,513 |
Cost of sales |  | 24,423 | 74,646 |
Depreciation, depletion, and amortization |  | 9,831 | 22,651 |
Exploration and evaluation |  | 774 | 557 |
Care and maintenance expense |  | 14,409 |  |
Operating income (loss) |  | (403,803) | 11,496 |
Capital expenditures |  | 6,541 | 10,069 |
Total assets |  | 2,763,672 | 3,278,695 |
Reclamation and remediation costs |  | 7,700 |  |
Depreciation |  | 6,700 |  |
Operating segments | Marigold |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 76,685 | 98,168 |
Cost of sales |  | 49,071 | 54,541 |
Depreciation, depletion, and amortization |  | 7,439 | 8,574 |
Exploration and evaluation |  | 4,095 | 3,077 |
Care and maintenance expense |  | 0 |  |
Operating income (loss) |  | 15,356 | 31,284 |
Capital expenditures |  | 2,432 | 29,592 |
Total assets |  | 793,179 | 697,817 |
Operating segments | Seabee |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 59,128 | 32,093 |
Cost of sales |  | 24,433 | 23,265 |
Depreciation, depletion, and amortization |  | 15,213 | 8,987 |
Exploration and evaluation |  | 3,546 | 3,869 |
Care and maintenance expense |  | 0 |  |
Operating income (loss) |  | 15,602 | (4,318) |
Capital expenditures |  | 15,773 | 8,445 |
Total assets |  | 491,153 | 585,557 |
Operating segments | Puna |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 45,850 | 73,840 |
Cost of sales |  | 27,974 | 46,845 |
Depreciation, depletion, and amortization |  | 5,915 | 6,883 |
Exploration and evaluation |  | 335 | 1,072 |
Care and maintenance expense |  | 0 |  |
Operating income (loss) |  | 10,763 | 18,223 |
Capital expenditures |  | 3,359 | 2,577 |
Total assets |  | 287,833 | 326,660 |
Corporate and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenue |  | 0 | 0 |
Cost of sales |  | 0 | 0 |
Depreciation, depletion, and amortization |  | 0 | 0 |
Exploration and evaluation |  | 1,481 | 1,950 |
Care and maintenance expense |  | 0 |  |
Operating income (loss) |  | (14,342) | (19,700) |
Capital expenditures |  | 8,132 | 0 |
Total assets |  | $ 915,945 | $ 346,074 |
[1] | Excludes depreciation, depletion, and amortization.

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