Summary of Significant Accounting Policies (Additional Information) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Accounting Policies [Abstract]
Finite-Lived Intangible Assets, Amortization Period	20 years
Finite-Lived Intangible Assets, Gross	$ 369.0
Finite-Lived Intangible Assets, Accumulated Amortization	5.9
Amortization of Intangible Assets	$ 16.0

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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+ Details

Excelerate Energy, Inc. 10-Q