Net Loss Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022		Jun. 30, 2021
Numerator - basic and diluted:
Net loss		$ (77,124)	$ (7,280)	$ (91,015)	[1]	$ (13,152)	[1]
Less: Net (income) loss attributable to MSP Recovery, LLC pre Business Combination		14,748		28,639
Less: Net (income) loss attributable to the noncontrolling interest post Business Combination		61,088		61,088
Net loss attributable to controlling members		$ (1,288)	$ (7,280)	$ (1,288)		$ (13,152)
Class A Common Stock [Member]
Denominator - basic and diluted:
Weighed-average shares of common stock outstanding - basic	[2]	13,607,255		13,607,255
Weighed-average shares of common stock outstanding - diluted	[2]	13,607,255		13,607,255
Earnings per share of common stock - basic	[2]	$ (0.09)		$ (0.09)
Earnings per share of common stock - diluted	[2]	$ (0.09)		$ (0.09)

[1] Balances include related party transactions. See Note 13, Related Party, for further details.

[2] Earnings per share information has not been presented for periods prior to the Business Combination (as defined in Note 1), as it resulted in values that would not be meaningful to the users of these unaudited condensed consolidated financial statements. Refer to Note 15 for further information.