Earnings per share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 67,046	$ 126,844	$ 68,099
Less net income attributable to non-controlling interest	55,119	96,432	55,119	$ 3,035
Net income attributable to shareholders - basic	13,323	30,412	$ 13,323	0
Add: Reallocation of net income attributable to non-controlling interest	0	90,327
Net income attributable to shareholders - diluted	$ 13,323	$ 120,739
Weighted average shares outstanding - basic	26,254,167	26,256,104	26,254,167
Dilutive effect of unvested restricted common stock	7,940	19,788
Class B Common Stock converted to Class A Common Stock	0	82,021,389
Weighted average shares outstanding - diluted	26,262,107	108,299,587	26,262,107
Earnings per share
Basic	$ 0.51	$ 1.16	$ 0.51
Diluted	$ 0.51	$ 1.11	$ 0.51
Performance Shares [Member]
Dilutive effect of unvested restricted common stock	0	2,306
ENE Onshore [Member]
Less net income attributable to non-controlling interest	$ (1,396)	$ 0	$ (1,396)	$ (2,964)