| Document And Entity Information | Aug. 11, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 11, 2022 |
| Entity Registrant Name | MSP Recovery, Inc. |
| Entity Central Index Key | 0001802450 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-39445 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 84-4117825 |
| Entity Address, Address Line One | 2701 Le Jeune Road |
| Entity Address, Address Line Two | Floor 10 |
| Entity Address, City or Town | Coral Gables |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33134 |
| City Area Code | (305) |
| Local Phone Number | 614-2222 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Common Class A [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | MSPR |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants Each Whole Warrant Exercisable For One Share Of Class A Common Stock At An Exercise Price Of 11.50 Per Share [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share |
| Trading Symbol | MSPRW |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants Each Whole Warrant Exercisable For One Share Of Class A Common Stock At An Exercise Price Of 0.0001 Per Share [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $0.0001 per share |
| Trading Symbol | MSPRZ |
| Security Exchange Name | NASDAQ |
