Claims Financing Obligations and Notes Payable - Hazel Working Capital Credit Facility and Purchase Money Loan - Additional Information (Detail) $ in Thousands													3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 02, 2025 USD ($)	May 16, 2025 USD ($)	May 02, 2025 USD ($)	Apr. 11, 2025 USD ($)	Apr. 04, 2025 USD ($)	Apr. 01, 2025 USD ($)	Oct. 02, 2024 Members	Oct. 01, 2024 USD ($)	Aug. 02, 2024 USD ($)	Dec. 22, 2023 USD ($)	Mar. 29, 2023 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jan. 25, 2024 USD ($)	Dec. 31, 2023 USD ($)
Claims Financing Obligations and Notes Payable [Line Items]
Credit facility, agreement date														Mar. 06, 2023
Term Loan A [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity																	$ 20,500
Term Loan B [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity																	$ 9,000
Working Capital Credit Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity										$ 14,000		$ 48,000
Line of credit borrowing amount accessible for each tranche										1,750
Line of credit facility for acquiring additional Claims										2,000					$ 2,000
Credit facility description														extended the period to draw up to $23.3 million (with a 40% original issue discount) remaining under Term Loan B for working capital, accessible in eight tranches of $1.75 million, that can be drawn at least one month apart, until September 2025
Hazel Partners Holdings LLC Letter Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Increase in credit facility	$ 3,250						$ 17,250
Hazel Partners Holdings LLC Letter Agreement [Member] | Term Loan B [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity																$ 4,500
Hazel Partners Holdings LLC Letter Agreement [Member] | Working Capital Credit Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity										23,300
Line of credit borrowing amount accessible for each tranche										1,750
Line of credit facility for acquiring additional Claims										$ 3,300
Proceeds from credit facility														$ 5,500	$ 12,300
Increase in credit facility														5,500
Debt instrument original issue discount										40.00%
Working capital received														1,750
Hazel Partners Holdings LLC Letter Agreement [Member] | Restructuring Costs Credit Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Increase in credit facility														$ 550
Hazel Transactions [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Purchase money loan												250,000
Realized claim recoveries												$ 150,000
Credit facility, agreement date												Mar. 29, 2023
Purchase Money Loan accrues interest												20.00%
Hazel Transactions [Member] | Purchase Money Loan [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Debt instrument maturity date												Mar. 31, 2026
Credit Agreement [Member] | Hazel Transactions [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity									$ 80,000
Debt instrument original issue discount									40.00%
Credit Agreement [Member] | Hazel Transactions [Member] | Term Loan A [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity									$ 30,000
Credit Agreement [Member] | Hazel Transactions [Member] | Term Loan B [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility, Maximum borrowing capacity									$ 18,000
Working Capital Credit Facility [Member] | Hazel Transactions [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Interest period, plus an applicable margin												10.00%
Debt instrument maturity date												Mar. 31, 2026
Working Capital Credit Facility [Member] | Hazel Transactions [Member] | Hazel Partners Holdings LLC Letter Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Line of credit facility for acquiring additional Claims												$ 3,300
Debt instrument original issue discount												40.00%
Second Amended and Restated First Lien Credit Agreement [Member] | Term Loan B [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Payment of certain costs and fees											$ 100
Minimum [Member] | Hazel Partners Holdings LLC Letter Agreement [Member] | Working Capital Credit Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Increase in credit facility expiration period														3 months
Assignor consisting number of medicare members | Members								450,000
Maximum [Member] | Hazel Partners Holdings LLC Letter Agreement [Member] | Working Capital Credit Agreement [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Increase in credit facility		$ 750	$ 750	$ 750	$ 550	$ 1,500							$ 6,800	$ 6,000
Increase in credit facility expiration period														6 months
Maximum [Member] | Hazel Transactions [Member] | Purchase Money Loan [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Debt instrument extended maturity year												1 year
Maximum [Member] | Second Amended and Restated First Lien Credit Agreement [Member] | Term Loan B [Member]
Claims Financing Obligations and Notes Payable [Line Items]
Additional collateral, a pledge of proceeds from certain Claims																$ 14,000