Mezzanine and Stockholders’ Equity - Schedule of Conversion of Common Stock (Details) shares in Thousands	12 Months Ended
Dec. 31, 2025 shares
Conversion of Stock [Line Items]
Total USAR Common Stock issued	1,900
New USARE Common Stock
Conversion of Stock [Line Items]
Exchange ratio	0.204
USARE LLC Class B Common Units
Conversion of Stock [Line Items]
Total USAR Common Stock issued	1,521
USARE LLC Class C Convertible Preferred Units
Conversion of Stock [Line Items]
Total USAR Common Stock issued	379

The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
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