Earnings Per Share - Computation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Net income	$ 3,641	$ 2,159	$ 2,494	$ 5,318	$ 1,194	$ 1,959	$ 8,294	$ 8,471
Less: net income attributable to non-controlling interests	$ 1,181			$ 1,986			$ 2,760	$ 3,183
Restricted stock units
Weighted average effect of dilutive securities:
Stock units (in shares)	1,543,658			644,463			2,347,002	1,016,101
Performance-based restricted stock units
Weighted average effect of dilutive securities:
Stock units (in shares)	0			0			0	2,566
Class A Common Stock
Numerator:
Net income attributable to WM Technology, Inc. Class A Common Stock – basic	$ 2,460			$ 3,332			$ 5,534	$ 5,288
Net income attributable to WM Technology, Inc. Class A Common Stock - diluted	$ 2,460			$ 3,332			$ 5,534	$ 5,288
Denominator:
Weighted average of shares of Class A common stock outstanding - basic (in shares)	107,569,086			97,166,788			105,797,793	95,743,064
Weighted average effect of dilutive securities:
Weighted average of shares of Class A Common Stock outstanding - diluted (in shares)	109,112,744			97,811,251			108,144,795	96,761,731
Net income per share of Class A Common Stock:
Net income per share of Class A common stock - basic (in dollars per share)	$ 0.02			$ 0.03			$ 0.05	$ 0.06
Net income per share of Class A common stock - diluted (in dollars per share)	$ 0.02			$ 0.03			$ 0.05	$ 0.05