General business information (Additional Information) (Details) - EE Holdings [Member]	Jun. 30, 2025	Dec. 31, 2024
Percent of EELP interests owned	71.90%	77.50%
IPO [Member]
Percent of EELP interests owned	28.10%	22.50%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant