Earnings Per Share - Computation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net income (loss)	$ 1,983	$ (3,969)	$ 19,848	$ (31,233)	$ (1,986)	$ (11,385)
Less: net income (loss) attributable to noncontrolling interests	757		8,156		(737)	(9,184)
Less: fair value change of Public and Private Placement Warrants, net of amounts attributable to noncontrolling interests	$ 0		$ 0		$ 0	$ 0
Denominator:
Restricted stock units (in shares)	93,386		127,651		0	0
Acquisition holdback shares
Denominator:
Acquisition holdback shares (in shares)	677,847		677,847		0	0
Class A Common Stock
Numerator:
Net income (loss) attributable to WM Technology, Inc. Class A Common Stock - basic	$ 1,226		$ 11,692		$ (1,249)	$ (2,201)
Net income (loss) attributable to WM Technology, Inc. Class A Common Stock - diluted	$ 1,226		$ 11,692		$ (1,249)	$ (2,201)
Denominator:
Weighted average of shares of Class A common stock outstanding - basic (in shares)	92,851,349		86,425,352		92,589,011	79,476,383
Weighted average of shares of Class A common stock outstanding - diluted (in shares)	93,622,582		87,230,850		92,589,011	79,476,383
Net income (loss) per share of Class A common stock - basic (in dollars per share)	$ 0.01		$ 0.14		$ (0.01)	$ (0.03)
Net income (loss) per share of Class A common stock - diluted (in dollars per share)	$ 0.01		$ 0.13		$ (0.01)	$ (0.03)