General business information (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
Apr. 18, 2022	Mar. 31, 2023
Common Class A [Member]
Issuance of common stock - IPO, shares		26,254,167
Common Class A [Member] \| EE Holdings [Member]
Percent of EELP interests owned		24.20%
Common Class B [Member]
Issuance of common stock - IPO, shares		82,021,389
Common Class B [Member] \| EE Holdings [Member]
Percent of EELP interests owned		75.80%
Foundation Vessels Purchase [Member]
Foundation vessel cash payment	$ 50.0	$ 50.0
IPO [Member] \| Common Class A [Member]
Issuance of common stock - IPO, shares	18,400,000
Shares issued, price per share	$ 0.001
Offer price per share	$ 24.00
Proceeds from issuance initial public offering	$ 441.6	441.6
Underwriting discounts and commissions	25.4	25.4
IPO-related expenses	$ 7.6	$ 7.6

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

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