Description of Business - Additional Information (Detail) - USD ($)		6 Months Ended
	Jun. 16, 2022	Jun. 30, 2022	May 23, 2022	May 17, 2022	Sep. 27, 2021
MSP Recovery Law Firm [Member]
Nature Of Operations [Line Items]
Payment of advances	$ 36,500,000
John H. Ruiz and Frank C [Member] | Promissory Note [Member]
Nature Of Operations [Line Items]
Aggregate principal amount	$ 112,800,000
Interest rate	4.00%
Debt instrument, maturity term	4 years
Servicing Agreement [Member] | Prudent Group [Member]
Nature Of Operations [Line Items]
Percentage of annual return on amount paid for net recovery proceeds		18.00%
Investment Capacity Agreement [Member] | Virage Capital Management LP [Member]
Nature Of Operations [Line Items]
Maximum amount of paid amount purchasable pursuant to Agreement					$ 3,000,000,000
Percentage of recoveries payable to assignor					50.00%
Percentage of recoveries from the assignor					50.00%
Common Stock Purchase Agreement [Member] | Cantor Fitzgerald [Member]
Nature Of Operations [Line Items]
Percentage of volume of weighted average price of common stock to sell under purchase agreement				98.00%
Advertising Costs Commitment [Member] | Life Wallet LLC [Member]
Nature Of Operations [Line Items]
Other commitments remainder of fiscal year		$ 2,200,000
Agreements [Member] | Prudent Group [Member]
Nature Of Operations [Line Items]
Maximum monetize amount of net recovery interest in claim demand		$ 250,000,000
Percentage of amount paid on claim		90.00%
Anticipated first closure		$ 10
Class V Common Stock [Member | Non Economic Voting Shares [Member]
Nature Of Operations [Line Items]
Common stock par or stated value per share			$ 0.0001
Common Class A [Member]
Nature Of Operations [Line Items]
Common stock par or stated value per share		$ 0.0001
Common Class A [Member] | Common Stock Purchase Agreement [Member] | Cantor Fitzgerald [Member]
Nature Of Operations [Line Items]
Option to sell maximum shares value under purchase agreement				$ 1,000,000,000