CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjusted Balance	Accounting Standards Update 2016-13	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class A Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock Class B Common Stock	Common Stock Class B Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-In Capital	Additional Paid-In Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Deficit Accounting Standards Update 2016-13	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Noncontrolling Interests	Noncontrolling Interests Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance (shares) at Dec. 31, 2022						14,784,000	14,784,000	47,082,000	47,082,000
Beginning balance at Dec. 31, 2022	$ 265,768,000	$ 265,559,000	$ (209,000)			$ 15,000	$ 15,000	$ 47,000	$ 47,000	$ 95,922,000	$ 95,922,000	$ (36,261,000)	$ (36,470,000)	$ (209,000)	$ (475,000)	$ (475,000)	$ 206,520,000	$ 206,520,000
Beginning balance, treasury stock (shares) at Dec. 31, 2022															(140,000)	(140,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock in connection with equity-based compensation plans (shares)						814,000
Issuance of Class A common stock related to vesting of restricted stock units	0					$ 1,000				(1,000)
Repurchase of treasury shares in connection with the taxes paid related to net share settlement of equity awards (shares)															(533,000)
Repurchase of treasury stock related to tax withholdings on vested equity awards	2,222,000														$ 2,222,000
Reissuance of treasury stock in connection with equity-based compensation plans (shares)															417,000
Reissuance of treasury stock	0											(1,623,000)			$ 1,623,000
Allocation of equity to noncontrolling interests										(6,333,000)							6,333,000
Accrued member tax distributions	(5,625,000)									(5,625,000)
Stock-based compensation	18,922,000									18,922,000
Net loss	(12,579,000)											(3,543,000)					(9,036,000)
Ending balance (shares) at Jun. 30, 2023						15,598,000		47,082,000
Ending balance at Jun. 30, 2023	264,055,000					$ 16,000		$ 47,000		102,885,000		(41,636,000)			$ (1,074,000)		203,817,000
Ending balance, treasury stock (shares) at Jun. 30, 2023															(256,000)
Beginning balance (shares) at Mar. 31, 2023						15,444,000		47,082,000
Beginning balance at Mar. 31, 2023	262,013,000					$ 15,000		$ 47,000		100,942,000		(39,425,000)			$ (1,567,000)		202,001,000
Beginning balance, treasury stock (shares) at Mar. 31, 2023															(379,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock in connection with equity-based compensation plans (shares)						154,000
Repurchase of treasury shares in connection with the taxes paid related to net share settlement of equity awards (shares)															(154,000)
Repurchase of treasury stock related to tax withholdings on vested equity awards	655,000														$ 655,000
Reissuance of treasury stock in connection with equity-based compensation plans (shares)															277,000
Reissuance of treasury stock	0											(1,148,000)			$ 1,148,000
Allocation of equity to noncontrolling interests										(3,956,000)							3,956,000
Accrued member tax distributions	(4,151,000)									(4,151,000)
Stock-based compensation	10,050,000									10,050,000
Net loss	(3,203,000)											(1,063,000)					(2,140,000)
Ending balance (shares) at Jun. 30, 2023						15,598,000		47,082,000
Ending balance at Jun. 30, 2023	264,055,000					$ 16,000		$ 47,000		102,885,000		(41,636,000)			$ (1,074,000)		203,817,000
Ending balance, treasury stock (shares) at Jun. 30, 2023															(256,000)
Beginning balance (shares) at Dec. 31, 2023						15,938,000		47,032,000
Beginning balance at Dec. 31, 2023	$ 274,389,000					$ 16,000		$ 47,000		112,830,000		(43,509,000)			$ (1,127,000)		206,132,000
Beginning balance, treasury stock (shares) at Dec. 31, 2023	(153,875)														(154,000)
Ending balance (shares) at Mar. 31, 2024						16,980,000		46,985,000
Ending balance at Mar. 31, 2024	$ 270,456,000					$ 17,000		$ 47,000		116,571,000		(45,589,000)			$ (5,458,000)		204,868,000
Ending balance, treasury stock (shares) at Mar. 31, 2024															(539,000)
Beginning balance (shares) at Dec. 31, 2023						15,938,000		47,032,000
Beginning balance at Dec. 31, 2023	$ 274,389,000					$ 16,000		$ 47,000		112,830,000		(43,509,000)			$ (1,127,000)		206,132,000
Beginning balance, treasury stock (shares) at Dec. 31, 2023	(153,875)														(154,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exchange of Class B common stock for Class A common stock (shares)						47,000		(47,000)
Issuance of Class A common stock in connection with equity-based compensation plans (shares)						1,177,000
Issuance of Class A common stock related to vesting of restricted stock units	$ 0					$ 1,000				(1,000)
Issuance of Class A common stock in connection with exercise of stock options (shares)						8,000
Exercise of stock options	40,000									40,000
Repurchase of treasury shares in connection with the taxes paid related to net share settlement of equity awards (shares)															(736,000)
Repurchase of treasury stock related to tax withholdings on vested equity awards	7,299,000														$ 7,299,000
Repurchase of treasury stock related to the stock repurchase program (shares)															573,000
Repurchase of treasury stock related to the stock repurchase program	5,480,000														$ 5,480,000
Reissuance of treasury stock in connection with equity-based compensation plans (shares)															668,000
Reissuance of treasury stock	1,567,000											(4,761,000)			$ 6,328,000
Allocation of equity to noncontrolling interests										(3,580,000)							3,580,000
Accrued member tax distributions	(628,000)									(628,000)
Stock-based compensation	11,079,000									11,079,000
Net loss	(1,726,000)											(892,000)					(834,000)
Ending balance (shares) at Jun. 30, 2024						17,170,000		46,985,000
Ending balance at Jun. 30, 2024	$ 271,942,000					$ 17,000		$ 47,000		119,740,000		(49,162,000)			$ (7,578,000)		208,878,000
Ending balance, treasury stock (shares) at Jun. 30, 2024	(795,330)														(795,000)
Beginning balance (shares) at Mar. 31, 2024						16,980,000		46,985,000
Beginning balance at Mar. 31, 2024	$ 270,456,000					$ 17,000		$ 47,000		116,571,000		(45,589,000)			$ (5,458,000)		204,868,000
Beginning balance, treasury stock (shares) at Mar. 31, 2024															(539,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock in connection with equity-based compensation plans (shares)						190,000
Repurchase of treasury shares in connection with the taxes paid related to net share settlement of equity awards (shares)															(190,000)
Repurchase of treasury stock related to tax withholdings on vested equity awards	$ 1,773,000														$ 1,773,000
Repurchase of treasury stock related to the stock repurchase program (shares)	573,000			573,000	0										573,000
Repurchase of treasury stock related to the stock repurchase program	$ 5,480,000			$ 5,480,000	$ 0										$ 5,480,000
Reissuance of treasury stock in connection with equity-based compensation plans (shares)															507,000
Reissuance of treasury stock	1,505,000											(3,628,000)			$ 5,133,000
Allocation of equity to noncontrolling interests										(2,577,000)							2,577,000
Accrued member tax distributions	(448,000)									(448,000)
Stock-based compensation	6,194,000									6,194,000
Net loss	1,488,000											55,000					1,433,000
Ending balance (shares) at Jun. 30, 2024						17,170,000		46,985,000
Ending balance at Jun. 30, 2024	$ 271,942,000					$ 17,000		$ 47,000		$ 119,740,000		$ (49,162,000)			$ (7,578,000)		$ 208,878,000
Ending balance, treasury stock (shares) at Jun. 30, 2024	(795,330)														(795,000)