Non-controlling Interest - Net income (loss) reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Noncontrolling Interest [Line Items]
Income (loss) before provision for income taxes attributable to Holdings	$ 4,183		$ 4,578		$ 3,357	$ 2,132
Income (loss) before provision for income taxes attributable to NCI	2,678		3,085		2,138	1,428
Income (loss) before provision for income taxes	6,861		7,663		5,495	3,560
(Provision) / benefit for income taxes attributable to Holdings	502		(873)		(630)	(1,780)
(Provision) / benefit for income taxes attributable to NCI	(665)		(600)		(1,403)	(1,197)
(Provision) / benefit for income taxes	(163)		(1,473)		(2,033)	(2,977)
Net income (loss) attributable to Holdings	4,685		3,705		2,727	352
Net income (loss) attributable to NCI	2,013		2,485		735	231
Net income (loss)	$ 6,698	$ (3,236)	$ 6,190	$ (5,607)	$ 3,462	$ 583
RMCO, LLC \| Weighted Average
Noncontrolling Interest [Line Items]
WAO percentage of Holdings	61.40%		60.00%		61.00%	59.80%
WAO percentage	100.00%		100.00%		100.00%	100.00%
RIHI \| RMCO, LLC \| Weighted Average
Noncontrolling Interest [Line Items]
WAO percentage: NCI	38.60%		40.00%		39.00%	40.20%

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