CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND REDEEMABLE NONCONTROLLING INTEREST - USD ($) $ in Thousands	Total	Parent	Common Stock	Additional Paid-In Capital	Retained Earnings	Other Cumulative Comprehensive Loss	Treasury Stock, at cost, and Company Stock Held for Deferred Compensation, at par
Beginning balances (in shares) at Dec. 31, 2022			20,140,654
Beginning balances (in shares) at Dec. 31, 2022							(605,723)
Beginning balances at Dec. 31, 2022		$ 380,647	$ 1,007	$ 303,893	$ 125,215	$ (28,758)	$ (20,710)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	$ 2,139	909			909
Change in cumulative foreign currency translation adjustment	769	769				769
Shares issued in connection with stock compensation plans (in shares)			258,807
Shares issued in connection with stock compensation plans			$ 13	(13)
Stock-based compensation	232	4,795		4,795
Adjustment of redeemable noncontrolling interest	1,138	(1,138)			(1,138)
Treasury stock activity (in shares)							(77,184)
Treasury stock activity		(3,705)					$ (3,705)
Ending balances (in shares) at Mar. 31, 2023			20,399,461
Ending balances (in shares) at Mar. 31, 2023							(682,907)
Ending balances at Mar. 31, 2023		382,277	$ 1,020	308,675	124,986	(27,989)	$ (24,415)
Redeemable Non-Controlling interest, beginning balance at Dec. 31, 2022	187,522
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	1,230
Stock-based compensation	232	4,795		4,795
Distribution to redeemable noncontrolling interest holder	(2,600)
Adjustment of redeemable noncontrolling interest	1,138	(1,138)			(1,138)
Redeemable Non-Controlling interest, ending balance at Mar. 31, 2023	$ 187,522
Beginning balances (in shares) at Dec. 31, 2023			20,467,495
Beginning balances (in shares) at Dec. 31, 2023	(689,700)						(689,700)
Beginning balances at Dec. 31, 2023	$ 410,295	410,295	$ 1,023	313,833	146,604	(26,426)	$ (24,739)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	2,319	2,563			2,563
Change in cumulative foreign currency translation adjustment	(1,113)	(1,113)				(1,113)
Shares issued in connection with stock compensation plans (in shares)			236,509
Shares issued in connection with stock compensation plans			$ 12	(12)
Stock-based compensation	137	1,412		1,412
Adjustment of redeemable noncontrolling interest	$ 2,307	(2,307)			(2,307)
Treasury stock activity (in shares)							(32,030)
Treasury stock activity		(936)					$ (936)
Ending balances (in shares) at Mar. 31, 2024			20,704,004
Ending balances (in shares) at Mar. 31, 2024	(721,730)						(721,730)
Ending balances at Mar. 31, 2024	$ 409,914	409,914	$ 1,035	315,233	146,860	$ (27,539)	$ (25,675)
Redeemable Non-Controlling interest, beginning balance at Dec. 31, 2023	187,760
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(244)
Stock-based compensation	137	1,412		$ 1,412
Distribution to redeemable noncontrolling interest holder	(2,880)
Adjustment of redeemable noncontrolling interest	2,307	$ (2,307)			$ (2,307)
Redeemable Non-Controlling interest, ending balance at Mar. 31, 2024	$ 187,080