Earnings per share - Schedule Of Common Stock Shares Equivalent Excluded From Calculation Of Diluted Earnings Per Share (Details) - shares	9 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Stock Option [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method
Antidilutive securities	150,314	0
Restricted Common Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method
Antidilutive securities	53	269
Class B Common Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method
Antidilutive securities	82,021,389	0