Earnings Per Share - Computation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net income (loss)	$ 19,848	$ (31,233)	$ 16,837	$ 7,731	$ (11,385)	$ 24,568
Less: net income attributable to WMH prior to the Business Combination	0		7,347		0	15,078
Less: net income (loss) attributable to noncontrolling interests after the Business Combination	8,156		5,227		(9,184)	5,227
Effect of dilutive securities:
Public and Private Placement Warrants, net of amounts attributable to noncontrolling interests	$ 0		$ 16,061		$ 0	$ 16,061
Weighted average of shares of Class A Common Stock outstanding - basic
Restricted stock units (in shares)	127,651		0		0	0
Public Warrants
Weighted average of shares of Class A Common Stock outstanding - basic
Warrants (in shares)	0		4,877,681		0	4,877,681
Private Placement Warrant
Weighted average of shares of Class A Common Stock outstanding - basic
Warrants (in shares)	0		2,731,502		0	2,731,502
Acquisition holdback shares
Weighted average of shares of Class A Common Stock outstanding - basic
Warrants (in shares)	677,847		0		0	0
Class A Common Stock
Numerator:
Net income (loss) attributable to WM Technology, Inc. Class A Common Stock - basic	$ 11,692		$ 4,263		$ (2,201)	$ 4,263
Effect of dilutive securities:
Net income (loss) attributable to WM Technology, Inc. Class A Common Stock - diluted	$ 11,692		$ (11,798)		$ (2,201)	$ (11,798)
Weighted average of shares of Class A Common Stock outstanding - basic
Weighted average common shares outstanding - basic (in shares)	86,425,352		63,738,563		79,476,383	63,738,563
Weighted average diluted shares outstanding - Class A (in shares)	87,230,850		71,347,746		79,476,383	71,347,746
Net income (loss) per share of Class A Common Stock - diluted
Net income (loss) per share of Class A Common Stock - basic (in dollars per share)	$ 0.14		$ 0.07		$ (0.03)	$ 0.07
Net income (loss) per share of Class A Common Stock - diluted
Net income (loss) per share of Class A Common Stock - diluted (in dollars per share)	$ 0.13		$ (0.17)		$ (0.03)	$ (0.17)