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, 2021			19,920,829
Beginning balances (in shares) at Dec. 31, 2021							(570,415)
Beginning balances at Dec. 31, 2021		$ 360,525	$ 996	$ 294,515	$ 111,031	$ (26,538)	$ (19,479)
Increase (Decrease) in Stockholders' Equity
Net income (loss)		(3,288)			(3,288)
Change in cumulative foreign currency translation adjustment		(1,204)				(1,204)
Shares issued in connection with stock compensation plans (in shares)			163,443
Shares issued in connection with stock compensation plans			$ 8	(8)
Stock-based compensation	$ 102	2,267		2,267
Adjustment of redeemable noncontrolling interest	5,717	(5,717)			(5,717)
Treasury stock activity (in shares)							(16,773)
Treasury stock activity		(1,088)					$ (1,088)
Ending balances (in shares) at Mar. 31, 2022			20,084,272
Ending balances (in shares) at Mar. 31, 2022							(587,188)
Ending balances at Mar. 31, 2022		351,495	$ 1,004	296,774	102,026	(27,742)	$ (20,567)
Redeemable Non-Controlling interest, beginning balance at Dec. 31, 2021	197,196
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	(992)
Consideration adjustment related to redeemable noncontrolling interest	(427)
Adjustment of redeemable noncontrolling interest	5,717	(5,717)			(5,717)
Stock-based compensation	102	2,267		2,267
Distribution to redeemable noncontrolling interest holder	(4,400)
Redeemable Non-Controlling interest, ending balance at Mar. 31, 2022	197,196
Beginning balances (in shares) at Dec. 31, 2021			19,920,829
Beginning balances (in shares) at Dec. 31, 2021							(570,415)
Beginning balances at Dec. 31, 2021		360,525	$ 996	294,515	111,031	(26,538)	$ (19,479)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	10,392
Change in cumulative foreign currency translation adjustment	(7,263)
Ending balances (in shares) at Sep. 30, 2022			20,127,679
Ending balances (in shares) at Sep. 30, 2022							(597,822)
Ending balances at Sep. 30, 2022		362,653	$ 1,007	301,003	115,016	(33,801)	$ (20,572)
Redeemable Non-Controlling interest, beginning balance at Dec. 31, 2021	197,196
Redeemable Non-Controlling interest, ending balance at Sep. 30, 2022	194,962
Beginning balances (in shares) at Mar. 31, 2022			20,084,272
Beginning balances (in shares) at Mar. 31, 2022							(587,188)
Beginning balances at Mar. 31, 2022		351,495	$ 1,004	296,774	102,026	(27,742)	$ (20,567)
Increase (Decrease) in Stockholders' Equity
Net income (loss)		5,552			5,552
Change in cumulative foreign currency translation adjustment		(2,587)				(2,587)
Shares issued in connection with stock compensation plans (in shares)			35,657
Shares issued in connection with stock compensation plans			$ 2	(2)
Stock-based compensation	158	2,133		2,133
Adjustment of redeemable noncontrolling interest	1,535	(1,535)			(1,535)
Treasury stock activity (in shares)							(10,570)
Treasury stock activity		(3)					$ (3)
Ending balances (in shares) at Jun. 30, 2022			20,119,929
Ending balances (in shares) at Jun. 30, 2022							(597,758)
Ending balances at Jun. 30, 2022		355,055	$ 1,006	298,905	106,043	(30,329)	$ (20,570)
Redeemable Non-Controlling interest, beginning balance at Mar. 31, 2022	197,196
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	907
Adjustment of redeemable noncontrolling interest	1,535	(1,535)			(1,535)
Stock-based compensation	158	2,133		2,133
Distribution to redeemable noncontrolling interest holder	(2,600)
Redeemable Non-Controlling interest, ending balance at Jun. 30, 2022	197,196
Increase (Decrease) in Stockholders' Equity
Net income (loss)	8,213	6,717			6,717
Change in cumulative foreign currency translation adjustment	(3,472)	(3,472)				(3,472)
Shares issued in connection with stock compensation plans (in shares)			7,750
Shares issued in connection with stock compensation plans			$ 1	(1)
Stock-based compensation	143	2,099		2,099
Adjustment of redeemable noncontrolling interest	(2,256)	2,256			2,256
Treasury stock activity (in shares)							(64)
Treasury stock activity		(2)					$ (2)
Ending balances (in shares) at Sep. 30, 2022			20,127,679
Ending balances (in shares) at Sep. 30, 2022							(597,822)
Ending balances at Sep. 30, 2022		362,653	$ 1,007	301,003	115,016	(33,801)	$ (20,572)
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	1,496
Consideration adjustment related to redeemable noncontrolling interest	1,783
Adjustment of redeemable noncontrolling interest	(2,256)	2,256			2,256
Stock-based compensation	143	2,099		2,099
Distribution to redeemable noncontrolling interest holder	(3,400)
Redeemable Non-Controlling interest, ending balance at Sep. 30, 2022	$ 194,962
Beginning balances (in shares) at Dec. 31, 2022			20,140,654
Beginning balances (in shares) at Dec. 31, 2022	(605,723)						(605,723)
Beginning balances at Dec. 31, 2022	$ 380,647	380,647	$ 1,007	303,893	125,215	(28,758)	$ (20,710)
Increase (Decrease) in Stockholders' Equity
Net income (loss)		909			909
Change in cumulative foreign currency translation adjustment		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
Adjustment of redeemable noncontrolling interest	1,138	(1,138)			(1,138)
Stock-based compensation	232	4,795		4,795
Distribution to redeemable noncontrolling interest holder	(2,600)
Redeemable Non-Controlling interest, ending balance at Mar. 31, 2023	$ 187,522
Beginning balances (in shares) at Dec. 31, 2022			20,140,654
Beginning balances (in shares) at Dec. 31, 2022	(605,723)						(605,723)
Beginning balances at Dec. 31, 2022	$ 380,647	380,647	$ 1,007	303,893	125,215	(28,758)	$ (20,710)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	31,190
Change in cumulative foreign currency translation adjustment	$ (1,088)
Ending balances (in shares) at Sep. 30, 2023			20,457,257
Ending balances (in shares) at Sep. 30, 2023	(693,538)						(693,538)
Ending balances at Sep. 30, 2023	$ 405,166	405,166	$ 1,022	312,152	146,421	(29,846)	$ (24,583)
Redeemable Non-Controlling interest, beginning balance at Dec. 31, 2022	187,522
Redeemable Non-Controlling interest, ending balance at Sep. 30, 2023	187,522
Beginning balances (in shares) at Mar. 31, 2023			20,399,461
Beginning balances (in shares) at Mar. 31, 2023							(682,907)
Beginning balances at Mar. 31, 2023		382,277	$ 1,020	308,675	124,986	(27,989)	$ (24,415)
Increase (Decrease) in Stockholders' Equity
Net income (loss)		13,703			13,703
Change in cumulative foreign currency translation adjustment		446				446
Shares issued in connection with stock compensation plans (in shares)			50,582
Shares issued in connection with stock compensation plans		212	$ 2	210
Stock-based compensation	129	1,570		1,570
Adjustment of redeemable noncontrolling interest	(112)	112			112
Treasury stock activity (in shares)							(2,635)
Treasury stock activity		(14)					$ (14)
Ending balances (in shares) at Jun. 30, 2023			20,450,043
Ending balances (in shares) at Jun. 30, 2023							(685,542)
Ending balances at Jun. 30, 2023		398,306	$ 1,022	310,455	138,801	(27,543)	$ (24,429)
Redeemable Non-Controlling interest, beginning balance at Mar. 31, 2023	187,522
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	3,823
Adjustment of redeemable noncontrolling interest	(112)	112			112
Stock-based compensation	129	1,570		1,570
Distribution to redeemable noncontrolling interest holder	(3,840)
Redeemable Non-Controlling interest, ending balance at Jun. 30, 2023	187,522
Increase (Decrease) in Stockholders' Equity
Net income (loss)	11,525	8,883			8,883
Change in cumulative foreign currency translation adjustment	(2,303)	(2,303)				(2,303)
Shares issued in connection with stock compensation plans (in shares)			7,214
Stock-based compensation	135	1,697		1,697
Adjustment of redeemable noncontrolling interest	$ 1,263	(1,263)			(1,263)
Treasury stock activity (in shares)							(7,996)
Treasury stock activity		(154)					$ (154)
Ending balances (in shares) at Sep. 30, 2023			20,457,257
Ending balances (in shares) at Sep. 30, 2023	(693,538)						(693,538)
Ending balances at Sep. 30, 2023	$ 405,166	405,166	$ 1,022	312,152	146,421	$ (29,846)	$ (24,583)
Increase (Decrease) in Temporary Equity [Roll Forward]
Net income	2,642
Adjustment of redeemable noncontrolling interest	1,263	(1,263)			$ (1,263)
Stock-based compensation	135	$ 1,697		$ 1,697
Distribution to redeemable noncontrolling interest holder	(4,040)
Redeemable Non-Controlling interest, ending balance at Sep. 30, 2023	$ 187,522