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	(Accumulated Deficit)/ Retained Earnings	Non-controlling Interests	Non-controlling Interests Class A Units	Non-controlling Interests Class P Units
Beginning balance (in shares) at Dec. 31, 2021									65,677,361			65,502,347
Beginning 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 acquisitions	28,725					12,836								12,836				15,889
Issuance of common stock for acquisitions (in shares)									4,721,706
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 Units	11,625					11,625								11,625
Net (loss) income	(31,233)					(13,893)											(13,893)	(17,340)
Ending balance (in shares) at Mar. 31, 2022									83,098,990			61,206,773
Ending balance at Mar. 31, 2022	148,971					91,460			$ 8			$ 6		43,970			47,476	57,511
Beginning balance (in shares) at Dec. 31, 2021									65,677,361			65,502,347
Beginning 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 acquisitions	28,725
Net (loss) income	(21,849)
Ending balance (in shares) at Sep. 30, 2022									90,372,205			56,066,624
Ending balance at Sep. 30, 2022	169,037					115,393			$ 9			$ 5		61,375			54,004	53,644
Beginning balance (in shares) at Mar. 31, 2022									83,098,990			61,206,773
Beginning 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
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									543,118
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes	0
Distributions	(1,790)																	(1,790)
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)
Impact of Tax Receivable Agreement due to exchanges of Units		2,282					2,282								2,282
Net (loss) income	19,848					11,692											11,692	8,156
Ending balance (in shares) at Jun. 30, 2022									88,836,328			56,466,013
Ending 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
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									915,544
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes	0
Distributions	(658)																	(658)
Issuance of common stock Unit exchange (in shares)										399,389	220,944		(399,389)
Issuance of common stock Unit exchange		0	0				367	205		$ 0			$ 0		367	205			$ (367)	(205)
Impact of Tax Receivable Agreement due to exchanges of Units		$ 259					$ 259								$ 259
Net (loss) income	(10,464)					(5,164)											(5,164)	(5,300)
Ending balance (in shares) at Sep. 30, 2022									90,372,205			56,066,624
Ending balance at Sep. 30, 2022	169,037					115,393			$ 9			$ 5		61,375			54,004	53,644
Beginning balance (in shares) at Dec. 31, 2022				92,062,468	55,486,361				92,062,468			55,486,361
Beginning balance at Dec. 31, 2022	114,777					13,380			$ 9			$ 5		67,986			(54,620)	101,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,681					4,396								4,396				285
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									475,510
Distributions	(250)																	(250)
Issuance of common stock Unit exchange (in shares)											35,488
Issuance of common stock Unit exchange			0					62								62				(62)
Net (loss) income	(3,969)					(2,475)											(2,475)	(1,494)
Ending balance (in shares) at Mar. 31, 2023									92,573,466			55,486,361
Ending balance at Mar. 31, 2023	115,239					15,363			$ 9			$ 5		72,444			(57,095)	99,876
Beginning balance (in shares) at Dec. 31, 2022				92,062,468	55,486,361				92,062,468			55,486,361
Beginning balance at Dec. 31, 2022	114,777					13,380			$ 9			$ 5		67,986			(54,620)	101,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock for acquisitions	0
Net (loss) income	(4,498)
Ending balance (in shares) at Sep. 30, 2023				93,881,130	55,486,361				93,881,130			55,486,361
Ending balance at Sep. 30, 2023	114,782					19,946			$ 9			$ 5		77,339			(57,407)	94,836
Beginning balance (in shares) at Mar. 31, 2023									92,573,466			55,486,361
Beginning balance at Mar. 31, 2023	115,239					15,363			$ 9			$ 5		72,444			(57,095)	99,876
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	4,005					3,908								3,908				97
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									842,178
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes	(1)					(1)								(1)
Distributions	(752)																	(752)
Net (loss) income	1,983					1,226											1,226	757
Ending balance (in shares) at Jun. 30, 2023									93,415,644			55,486,361
Ending balance at Jun. 30, 2023	120,474					20,496			$ 9			$ 5		76,351			(55,869)	99,978
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	2,662					2,587								2,587				75
Discharge of holdback obligation related to prior acquisition	(3,607)					(1,612)								(1,612)				(1,995)
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes (in shares)									455,820
Issuance of common stock - vesting of restricted stock units, net of shares withheld for taxes	(4)					(4)								(4)
Distributions	(2,231)																	(2,231)
Issuance of common stock Unit exchange (in shares)											9,666
Issuance of common stock Unit exchange			$ 0					$ 17								$ 17				$ (17)
Net (loss) income	(2,512)					(1,538)											(1,538)	(974)
Ending balance (in shares) at Sep. 30, 2023				93,881,130	55,486,361				93,881,130			55,486,361
Ending balance at Sep. 30, 2023	$ 114,782					$ 19,946			$ 9			$ 5		$ 77,339			$ (57,407)	$ 94,836