Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (17,970)	$ (4,356)	$ (5,183)	$ (14,979)	$ (35,988)	$ 7,362
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	4,226		4,216		13,179	12,701
Amortization and write off of debt issuance cost					179	416
Amortization and write off of discount on long-term debt					3,129	2,032
Change in contingent consideration from acquisitions					6,435	(17,528)
Non-cash lease expense					5,415	9,637
Bad debt expense					2,270	850
Equity-based compensation					13,121	15,647
Non-cash interest					(986)	(857)
Loss (gain) on disposal of assets					(8,307)	(770)
Impairment of goodwill and other assets	4,502		4,671		16,591	11,909
Changes in assets and liabilities, net of effect of acquisition:
Accounts receivable					1,152	(2,535)
Inventories					4,116	(5,376)
Prepaid expenses and other current assets					(2,485)	(7,237)
Operating lease liabilities					(2,002)	(4,027)
Deferred costs					2,522	(4,743)
Notes receivable, net					3	1
Accounts payable					1,952	7,302
Accrued expenses					6,688	1,656
Other current liabilities					5,816	4,953
Deferred revenue					(14,620)	7,536
Other assets					348	(458)
Other liabilities					(7,613)	(277)
Net cash provided by operating activities					10,915	38,194
Cash flows from investing activities:
Purchases of property and equipment					(4,815)	(6,156)
Proceeds from sale of assets					346	60
Purchase of studios					0	(164)
Purchase of intangible assets					(1,435)	(2,420)
Notes receivable issued					0	(581)
Notes receivable payments received					470	666
Acquisition of business					(8,500)	0
Net cash used in investing activities					(13,934)	(8,595)
Cash flows from financing activities:
Borrowings from long-term debt					62,951	189,150
Payments on long-term debt					(42,527)	(3,014)
Debt issuance costs					(318)	(411)
Payments of preferred stock dividend					(3,768)	(5,677)
Payment of promissory note liability					(3,467)	0
Payments of contingent consideration					0	(1,412)
Payments for taxes related to net share settlement of restricted share units					0	(8,111)
Proceeds from issuance of common stock in connection with stock-based compensation plans					74	0
Payments for tax receivable agreement					(2,267)	(1,163)
Payments for redemption of preferred stock					0	(130,766)
Payments for distributions to Pre-IPO LLC Members					(6,979)	(7,485)
Repurchase of Class A common stock					0	(50,378)
Payment received from shareholder (Note 10)					0	8,062
Loan to shareholder					0	(4,400)
Proceeds from disgorgement of stockholders short-swing profits (Note 10)					0	516
Net cash provided by (used in) financing activities					3,699	(15,089)
Increase in cash, cash equivalents and restricted cash					680	14,510
Cash, cash equivalents and restricted cash, beginning of period		$ 37,094		$ 37,370	37,094	37,370	$ 37,370
Cash, cash equivalents and restricted cash, end of period	37,774		51,880		37,774	51,880	$ 37,094
Supplemental cash flow information:
Interest paid					30,846	24,631
Income taxes paid, net					585	1,673
Non-cash investing and financing activities:
Capital expenditures accrued at period end					1,143	567
Adjustment of convertible preferred stock to redemption value					0	(34,326)
Liability-classified restricted stock units vested					0	2,250
Deemed contribution from redemption of convertible preferred stock					0	12,679
Accrued tax withholding related to convertible preferred stock dividend					106	114
Contingent consideration upon acquisition	$ 446		$ 0		446	0
Debt issuance costs paid-in-kind-long-term debt					4,059	0
Non-cash proceeds from sale of asset					275	0
Preferred stock dividend paid-in-kind					$ 2,150	$ 0