Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	9 Months Ended
Sep. 30, 2025	Dec. 31, 2024
Summary Of Significant Accounting Policies [Line Items]
Amount deposit accounts exceeded FDIC insured limit	$ 473,500,000	$ 332,200,000
Risk pool surplus or deficits, settlement period after performance year	18 months
Receivables, net - related parties	$ 381,215,000	275,990,000
Aggregate loans receivable	$ 54,400,000	51,300,000
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Risk pool surplus or deficits, settlement period after performance year	12 months
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Risk pool surplus or deficits, settlement period after performance year	6 months
Senior Secured Promissory Note
Summary Of Significant Accounting Policies [Line Items]
Principal balance payable in monthly installments	$ 250,000
Maturity date	Jan. 11, 2031
Related Party
Summary Of Significant Accounting Policies [Line Items]
Receivables, net - related parties	$ 64,700,000	50,300,000
Aggregate loans receivable	$ 1,700,000	$ 100,000

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