CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Class A Units	Class P Units	Class A	Class V	Total WM Technology, Inc. Stockholders’ Equity	Total WM Technology, Inc. Stockholders’ Equity Class A Units	Total WM Technology, Inc. Stockholders’ Equity Class P Units	Common Stock Class A	Common Stock Class A Class A Units	Common Stock Class A Class P Units	Common Stock Class V	Common Stock Class V Class A Units	Additional Paid-in Capital	Additional Paid-in Capital Class A Units	Additional Paid-in Capital Class P Units	Retained Earnings	Non-controlling Interests	Non-controlling Interests Class A Units	Non-controlling Interests Class P Units	Members’ Equity
Balance (in shares) at Dec. 31, 2020									0			0
Balance at Dec. 31, 2020						$ 0			$ 0			$ 0		$ 0			$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ 7,731																				$ 7,731
Balance (in shares) at Mar. 31, 2021									0			0
Balance at Mar. 31, 2021						0			$ 0			$ 0		0			0	0
Members' Equity at Dec. 31, 2020	29,271
Members' Equity [Abstract]
Distributions to members	(10,513)																				(10,513)
Repurchase of Class B Units	(106)																				(106)
Members' Equity at Mar. 31, 2021	26,383
Balance (in shares) at Dec. 31, 2020									0			0
Balance at Dec. 31, 2020						0			$ 0			$ 0		0			0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for acquisition (Note 6)	29,312
Net (loss) income	73,773
Balance (in shares) at Sep. 30, 2021									65,677,361			65,502,347
Balance at Sep. 30, 2021	47,415					22,506			$ 7			$ 7		(3,592)			26,084	24,909
Members' Equity at Dec. 31, 2020	29,271
Members' Equity at Sep. 30, 2021	0
Balance (in shares) at Mar. 31, 2021									0			0
Balance at Mar. 31, 2021						0			$ 0			$ 0		0			0	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	19,433																	19,433
Proceeds and shares issued in the Business Combination (Note 5) (in shares)									63,738,563			65,502,347
Proceeds and shares issued in the Business Combination (Note 5)	(85,312)					(19,213)			$ 6			$ 7		(20,212)			986	(45,425)			(20,674)
Net (loss) income	16,837					4,263											4,263	5,227			7,347
Balance (in shares) at Jun. 30, 2021									63,738,563			65,502,347
Balance at Jun. 30, 2021	(35,715)					(14,950)			$ 6			$ 7		(20,212)			5,249	(20,765)
Members' Equity at Mar. 31, 2021	26,383
Members' Equity [Abstract]
Distributions to members	(7,597)																				(7,597)
Repurchase of Class B Units	(5,459)																				$ (5,459)
Members' Equity at Jun. 30, 2021	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,887					4,173								4,173				714
Transaction costs related to the Business Combination (Note 5)	(274)					(274)								(274)
Issuance of common stock for acquisition (Note 6) (in shares)									1,938,798
Issuance of common stock for acquisition (Note 6)	29,312					12,722			$ 1					12,721				16,590
Net (loss) income	49,205					20,835											20,835	28,370
Balance (in shares) at Sep. 30, 2021									65,677,361			65,502,347
Balance at Sep. 30, 2021	47,415					22,506			$ 7			$ 7		(3,592)			26,084	24,909
Members' Equity at Sep. 30, 2021	0
Balance (in shares) at Dec. 31, 2021				65,677,361	65,502,347				65,677,361			65,502,347
Balance at Dec. 31, 2021	131,940					63,556			$ 7			$ 7		2,173			61,369	68,384
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	7,927					7,246								7,246				681
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									879,284
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes	(13)					(6)								(6)				(7)
Issuance of common stock for acquisition (Note 6) (in shares)									4,721,706
Issuance of common stock for acquisition (Note 6)	28,725					12,836								12,836				15,889
Issuance of common stock Unit exchange (in shares)										4,295,574	7,525,045		4,295,574
Issuance of common stock Unit exchange		$ 0	$ 0				$ 3,669	$ 6,427		$ 1			$ (1)		$ 3,669	$ 6,427			$ (3,669)	$ (6,427)
Issuance of common stock - warrants exercised (in shares)									20
Impact of Tax Receivable Agreement due to exchanges of Class A Units		11,625					11,625								11,625
Net (loss) income	(31,233)					(13,893)											(13,893)	(17,340)
Balance (in shares) at Mar. 31, 2022									83,098,990			61,206,773
Balance at Mar. 31, 2022	148,971					91,460			$ 8			$ 6		43,970			47,476	57,511
Balance (in shares) at Dec. 31, 2021				65,677,361	65,502,347				65,677,361			65,502,347
Balance at Dec. 31, 2021	131,940					63,556			$ 7			$ 7		2,173			61,369	68,384
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for acquisition (Note 6)	28,725
Net (loss) income	(21,849)
Balance (in shares) at Sep. 30, 2022				90,372,205	56,066,624				90,372,205			56,066,624
Balance at Sep. 30, 2022	169,037					115,393			$ 9			$ 5		61,375			54,004	53,644
Balance (in shares) at Mar. 31, 2022									83,098,990			61,206,773
Balance at Mar. 31, 2022	148,971					91,460			$ 8			$ 6		43,970			47,476	57,511
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	8,613					8,015								8,015				598
Distributions	(1,790)																	(1,790)
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									543,118
Impact of Tax Receivable Agreement due to exchanges of Class A Units		2,282					2,282								2,282
Issuance of common stock Unit exchange (in shares)										4,740,760	453,460		4,740,760
Issuance of common stock Unit exchange		0	0				4,436	432		$ 1			$ (1)		4,436	432			(4,436)	(432)
Net (loss) income	19,848					11,692											11,692	8,156
Balance (in shares) at Jun. 30, 2022									88,836,328			56,466,013
Balance at Jun. 30, 2022	177,924					118,317			$ 9			$ 5		59,135			59,168	59,607
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,976					1,409								1,409				567
Distributions	(658)																	(658)
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									915,544
Impact of Tax Receivable Agreement due to exchanges of Class A Units		259					259								259
Issuance of common stock Unit exchange (in shares)										399,389	220,944		399,389
Issuance of common stock Unit exchange		$ 0	$ 0				$ 367	$ 205							$ 367	$ 205			$ (367)	$ (205)
Net (loss) income	(10,464)					(5,164)											(5,164)	(5,300)
Balance (in shares) at Sep. 30, 2022				90,372,205	56,066,624				90,372,205			56,066,624
Balance at Sep. 30, 2022	$ 169,037					$ 115,393			$ 9			$ 5		$ 61,375			$ 54,004	$ 53,644