Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Treasury stock	Additional Paid-in-capital	Accumulated Deficit	Noncontrolling Interest	Common Class A [Member] Common Stock	Common Class B [Member] Common Stock
Balance at Dec. 31, 2022	$ 433,883	$ (9,926)	$ 628,828	$ (225,879)	$ 40,745	$ 42	$ 73
Balance (in shares) at Dec. 31, 2022		1,061				42,365	73,008
Net income	769			605	164
Stock-based compensation	3,252		3,252
Issuance of restricted stock units	1					$ 1
Issuance of restricted stock units (in shares)						354
Exchange of Class B common stock for Class A common stock (Share)						76	(76)
Exercise of stock options (net of tax and strike price) (in shares)						294
Repurchase of common stock for employee tax witholding and exercised stock option strike price (Amount)	(3,038)		(3,038)
Treasury Stock, Stock repurchase	(851)		(851)
Treasury Stock, Stock repurchase (Shares)							(100)
Accrual for excise tax associated with stock repurchases	(7)		(7)
Distributions to non-controlling interest, net	(122)				(122)
Dividends declared	(1)		(1)
Dividends paid	(3,477)		(3,477)
Balance at Mar. 31, 2023	430,409	$ (9,926)	624,706	(225,274)	40,787	$ 43	$ 73
Balance (in shares) at Mar. 31, 2023		1,061				43,089	72,832
Balance at Dec. 31, 2023	425,162	$ (17,588)	636,073	(233,012)	39,573	$ 58	$ 58
Balance (in shares) at Dec. 31, 2023		1,841				57,623	58,474
Net income	5,243			5,021	222
Stock-based compensation	6,175		6,175
Issuance of restricted stock units	$ 1					$ 1
Issuance of restricted stock units (in shares)						619
Exchange of Class B common stock for Class A common stock (Share)						35	(35)
Exercise of stock options (net of tax and strike price) (in shares)	288,575					289
Repurchase of common stock for employee tax witholding and exercised stock option strike price ,shares						(300)
Repurchase of common stock for employee tax witholding and exercised stock option strike price (Amount)	$ (2,207)		(2,207)
Treasury Stock, Stock repurchase	(30,038)	$ (30,034)				$ (4)
Treasury Stock, Stock repurchase (Shares)		3,683				(3,683)
Accrual for excise tax associated with stock repurchases	(300)		(300)
Distributions to non-controlling interest, net	(153)				(153)
Dividends declared	(23)		(23)
Dividends paid	(3,774)		(3,774)
Balance at Mar. 31, 2024	$ 400,086	$ (47,622)	$ 635,944	$ (227,991)	$ 39,642	$ 55	$ 58
Balance (in shares) at Mar. 31, 2024		5,524				54,583	58,439