{
  "ticker": "FRMI",
  "name": "Fermi Inc.",
  "cik": "0002071778",
  "sic": "6798",
  "sic_description": "Real Estate Investment Trusts",
  "source": "SEC XBRL companyfacts",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0002071778.json",
  "as_of": "2026-03-30",
  "note": "Verified SEC companyfacts-derived facts; derived metrics (margins, ratios, free cash flow) are computed from those facts. Descriptive data, not investment advice.",
  "annual": [
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -486379000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "operating_income",
      "label": "Operating income",
      "concept": "OperatingIncomeLoss",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:OperatingIncomeLoss"
      ],
      "points": [
        {
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          "period_end": "2025-12-31",
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          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "derived": false,
      "source_concepts": [
        "us-gaap:EarningsPerShareDiluted"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -1.13,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "operating_cash_flow",
      "label": "Operating cash flow",
      "concept": "NetCashProvidedByUsedInOperatingActivities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:NetCashProvidedByUsedInOperatingActivities"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": -34151000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "capex",
      "label": "Capital expenditures",
      "concept": "PaymentsToAcquirePropertyPlantAndEquipment",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment"
      ],
      "points": [
        {
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          "period_end": "2025-12-31",
          "value": 569304000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "assets",
      "label": "Assets",
      "concept": "Assets",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Assets"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 1413314000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "liabilities",
      "label": "Liabilities",
      "concept": "Liabilities",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
        "us-gaap:Liabilities"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "period_end": "2025-12-31",
          "value": 317442000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
        }
      ]
    },
    {
      "metric_id": "equity",
      "label": "Stockholders' equity",
      "concept": "StockholdersEquity",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
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      "points": [
        {
          "fiscal_year": 2025,
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          "value": 1095872000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010"
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      ]
    },
    {
      "metric_id": "cash",
      "label": "Cash and cash equivalents",
      "concept": "CashAndCashEquivalentsAtCarryingValue",
      "unit": "USD",
      "derived": false,
      "source_concepts": [
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          "value": 408529000.0,
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      ]
    },
    {
      "metric_id": "free_cash_flow",
      "label": "Free cash flow",
      "concept": "NetCashProvidedByUsedInOperatingActivities - PaymentsToAcquirePropertyPlantAndEquipment",
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      "derived": true,
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        "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment"
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      ]
    },
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      "metric_id": "roe",
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      "derived": true,
      "source_concepts": [
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        "us-gaap:StockholdersEquity"
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      "points": [
        {
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      ]
    },
    {
      "metric_id": "roa",
      "label": "Return on assets",
      "concept": "NetIncomeLoss / Assets",
      "unit": "Percent",
      "derived": true,
      "source_concepts": [
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        "us-gaap:Assets"
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      ]
    },
    {
      "metric_id": "liabilities_to_equity",
      "label": "Liabilities / equity",
      "concept": "Liabilities / StockholdersEquity",
      "unit": "Ratio",
      "derived": true,
      "source_concepts": [
        "us-gaap:Liabilities",
        "us-gaap:StockholdersEquity"
      ],
      "points": [
        {
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          "period_end": "2025-12-31",
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          "accession": "0002071778-26-000010"
        }
      ]
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  ],
  "quarterly": [
    {
      "metric_id": "net_income",
      "label": "Net income",
      "concept": "NetIncomeLoss",
      "unit": "USD",
      "source_concepts": [
        "us-gaap:NetIncomeLoss"
      ],
      "points": [
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-06-30",
          "value": -6290000.0,
          "filed": "2025-11-12",
          "accession": "0001213900-25-109371",
          "derived": false
        },
        {
          "fiscal_year": 2025,
          "fiscal_quarter": 4,
          "period_label": "2025-Q4",
          "period_end": "2025-12-31",
          "value": -133199000.0,
          "filed": "2026-03-30",
          "accession": "0002071778-26-000010",
          "derived": true
        },
        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
          "period_label": "2026-Q1",
          "period_end": "2026-03-31",
          "value": -188693000.0,
          "filed": "2026-05-15",
          "accession": "0002071778-26-000032",
          "derived": false
        }
      ]
    },
    {
      "metric_id": "eps_diluted",
      "label": "Diluted EPS",
      "concept": "EarningsPerShareDiluted",
      "unit": "USD/shares",
      "source_concepts": [
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      ],
      "points": [
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          "fiscal_year": 2025,
          "fiscal_quarter": 3,
          "period_label": "2025-Q3",
          "period_end": "2025-09-30",
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          "filed": "2025-11-12",
          "accession": "0001213900-25-109371",
          "derived": false
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        {
          "fiscal_year": 2026,
          "fiscal_quarter": 1,
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          "filed": "2026-05-15",
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          "derived": false
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      ]
    }
  ]
}