Condensed Consolidated Statements of Changes in Equity - USD ($) $ in Thousands	Total	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest in Subsidiaries
Beginning balance at Dec. 31, 2022	$ 733,208	$ 4,719	$ 459	$ 2,559,418	$ (711,454)	$ (1,138,066)	$ (45,431)	$ 63,563
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income (loss)	(1,040)					(726)		(314)
Other comprehensive income (loss), net of tax	4,983						4,303	680
Equity-based compensation	7,533	23		5,741	3			1,766
Dividends to common stockholders and participating RSU holders	(7,558)					(7,558)
Earnings distributions to limited partnership interests and other noncontrolling interests	(12,294)							(12,294)
Grant of exchangeability and redemption of limited partnership interests	113,201	291		86,505				26,405
Issuance of common stock	357	2		341				14
Redemption of FPUs	(547)							(547)
Repurchase of Class A common stock	(47,802)				(41,111)			(6,691)
Forfeiture of Class A common stock	(796)			84	(769)			(111)
Contributions of capital to and from Cantor for equity-based compensation	506			390				116
Issuance of Class A common stock and RSUs for acquisitions	2,761	51		2,333				377
Contributions from FMX Equity Partners	11,539							11,539
Corporate Conversion	15,084			12,988				2,096
Other	12			12
Ending balance at Jun. 30, 2023	819,147	5,086	459	2,667,812	(753,331)	(1,146,350)	(41,128)	86,599
Beginning balance at Mar. 31, 2023	801,018	4,878	459	2,604,259	(715,081)	(1,122,827)	(43,522)	72,852
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income (loss)	(22,210)					(19,704)		(2,506)
Other comprehensive income (loss), net of tax	2,715						2,394	321
Equity-based compensation	473	2		367	3			101
Dividends to common stockholders and participating RSU holders	(3,819)					(3,819)
Earnings distributions to limited partnership interests and other noncontrolling interests	(5,841)							(5,841)
Grant of exchangeability and redemption of limited partnership interests	64,652	160		49,811				14,681
Issuance of common stock	161	2		155				4
Redemption of FPUs	(481)							(481)
Repurchase of Class A common stock	(43,594)				(37,536)			(6,058)
Forfeiture of Class A common stock	(747)			74	(717)			(104)
Contributions of capital to and from Cantor for equity-based compensation	151			119				32
Issuance of Class A common stock and RSUs for acquisitions	0	44		(7)				(37)
Contributions from FMX Equity Partners	11,539							11,539
Corporate Conversion	15,084			12,988				2,096
Other	46			46
Ending balance at Jun. 30, 2023	819,147	5,086	459	2,667,812	(753,331)	(1,146,350)	(41,128)	86,599
Beginning balance at Dec. 31, 2023	898,156	4,036	1,095	2,105,130	(67,414)	(1,119,182)	(38,582)	13,073
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income (loss)	86,216					87,038		(822)
Other comprehensive income (loss), net of tax	(11,507)						(11,326)	(181)
Equity-based compensation	85,549	111		85,461	(23)
Dividends to common stockholders and participating RSU holders	(14,683)					(14,683)
Issuance of common stock	(1,143)	1		(1,144)
Repurchase of Class A common stock	(148,090)				(148,090)
Forfeiture of Class A common stock	(852)			718	(1,570)
Contributions of capital to and from Cantor for equity-based compensation	118			118
Issuance of Class A common stock and RSUs for acquisitions	3,163	5		3,158
Contributions from FMX Equity Partners	171,667							171,667
Other	(26,724)			(26,724)
Ending balance at Jun. 30, 2024	1,041,870	4,153	1,095	2,166,717	(217,097)	(1,046,827)	(49,908)	183,737
Beginning balance at Mar. 31, 2024	924,871	4,103	1,095	2,162,454	(137,455)	(1,074,819)	(43,270)	12,763
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Consolidated net income (loss)	37,175					37,828		(653)
Other comprehensive income (loss), net of tax	(6,678)						(6,638)	(40)
Equity-based compensation	31,972	49		31,934	(11)
Dividends to common stockholders and participating RSU holders	(9,836)					(9,836)
Issuance of common stock	(844)	1		(845)
Repurchase of Class A common stock	(79,481)				(79,481)
Forfeiture of Class A common stock	(67)			83	(150)
Contributions of capital to and from Cantor for equity-based compensation	(183)			(183)
Contributions from FMX Equity Partners	171,667							171,667
Other	(26,726)			(26,726)
Ending balance at Jun. 30, 2024	$ 1,041,870	$ 4,153	$ 1,095	$ 2,166,717	$ (217,097)	$ (1,046,827)	$ (49,908)	$ 183,737