CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock Convertible Preferred Stock Adjustment	Preferred Stock Convertible Preferred Stock Adjusted Balance	Preferred Stock Convertible Preferred Stock	Common Stock Common Stock Class A Adjustment	Common Stock Common Stock Class A Adjusted Balance	Common Stock Common Stock Class A	Common Stock Common Stock Class B Adjustment	Common Stock Common Stock Class B Adjusted Balance	Common Stock Common Stock Class B	Common Stock Common Stock Class C Adjustment	Common Stock Common Stock Class C Adjusted Balance	Common Stock Common Stock Class C	Common Stock Common Stock Class D Adjustment	Common Stock Common Stock Class D Adjusted Balance	Common Stock Common Stock Class D	Accumulated Other Comprehensive Income Adjusted Balance	Accumulated Other Comprehensive Income	Additional Paid-In Capital Adjustment	Additional Paid-In Capital Adjusted Balance	Additional Paid-In Capital	Accumulated Deficit Adjustment	Accumulated Deficit Adjusted Balance	Accumulated Deficit	Adjustment	Adjusted Balance	Total
BALANCE at Dec. 31, 2022	$ 0	$ 0	$ 0	$ 0	$ 10	$ 10	$ 0	$ 3	$ 3	$ 0	$ 2	$ 2	$ 0	$ 34	$ 34	$ 73,227	$ 73,227	$ 0	$ 993,484	$ 993,484	$ 589	$ (735,421)	$ (736,010)	$ 589	$ 331,339	$ 330,750
Net Income (Loss)			0			0			0			0			0					0			(2,922)			(2,922)
Stock-based compensation expense			0			0			0			0			0					2,558			0			2,558
Repurchase of shares of common stock			0			0			0			0			0					(1,324)			0			(1,324)
Vesting of share-based payment awards upon grant			0			0			0			0			0					3,234			0			3,234
Adjustment of redeemable noncontrolling interests to estimated redemption value			0			0			0			0			0					(1,308)			0			(1,308)
BALANCE at Mar. 31, 2023			0			10			3			2			34		$ 73,227			996,644			(738,343)			331,577
BALANCE at Dec. 31, 2023			0			10			3			2			34					1,007,387			(733,371)			274,065
Net Income (Loss)			0			0			0			0			0					0			7,493			7,493
Stock-based compensation expense			0			0			0			0			0					1,384			0			1,384
Repurchase of shares of common stock			0			0			0			0			0					(1,386)			0			(1,386)
Vesting of share-based payment awards upon grant			0			0			0			0			1					4,649			0			4,650
Adjustment of redeemable noncontrolling interests to estimated redemption value			0			0			0			0			0					(1,004)			0			(1,004)
BALANCE at Mar. 31, 2024			$ 0			$ 10			$ 3			$ 2			$ 35					$ 1,011,030			$ (725,878)			$ 285,202