Summary of Significant Accounting Policies - Schedule of Basic and Diluted EPS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Earnings Per Share [Abstract]
Net loss attributable to LM Funding America Inc.	$ (4,698,074)	$ (4,416,976)	$ (9,281,184)	$ (14,352,487)
Less: deemed dividends	(1,704,305)		(1,704,305)
Basic EPS
Net loss attributable to common shareholders, Basic	$ (6,402,379)	$ (4,416,976)	$ (10,985,489)	$ (14,352,487)
Weighted average number of shares outstanding, Basic	2,659,974	2,246,745	2,525,160	2,206,187
Basic loss per common share	$ (2.41)	$ (1.97)	$ (4.35)	$ (6.51)
Diluted EPS
Net loss attributable to common shareholders, Diluted	$ (6,402,379)	$ (4,416,976)	$ (10,985,489)	$ (14,352,487)
Weighted average number of shares outstanding, Diluted	2,659,974	2,246,745	2,525,160	2,206,187
Diluted loss per common share	$ (2.41)	$ (1.97)	$ (4.35)	$ (6.51)