Operating Segment Data - Schedule of Segment Results (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 498,221	$ 381,625
Total expenses	(468,522)	(373,452)
Income (loss) before taxes	29,699	8,173
Less: provision (benefit) for income taxes	13,818	5,022
Net income (loss)	15,881	3,151
Less: net income (loss) attributable to non-controlling interests	6,831	4,213
Net income (loss) attributable to common stockholders	9,050	(1,062)
Corporate and Other
Segment Reporting Information [Line Items]
Total revenues	498,221	381,625
Total expenses	(457,664)	(363,303)
Other
Segment Reporting Information [Line Items]
Total revenues	3,574	1,620
Total expenses	(581)	(178)
Income (loss) before taxes	2,993	1,442
Corporate
Segment Reporting Information [Line Items]
Total expenses	(10,858)	(10,149)
Insurance | Operating segments
Segment Reporting Information [Line Items]
Total revenues	478,756	368,444
Total expenses	(441,945)	(348,999)
Income (loss) before taxes	36,811	19,445
Mortgage | Operating segments
Segment Reporting Information [Line Items]
Total revenues	15,891	11,561
Total expenses	(15,138)	(14,126)
Income (loss) before taxes	$ 753	$ (2,565)