Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		282,526,719
Beginning balance at Dec. 31, 2021	$ 409,222	$ 2,825	$ 937,805	$ (91,774)	$ (439,634)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	56,388				56,388
Other comprehensive income (loss)	16,450			16,450
Dividends declared	(8,353)				(8,353)
Shares issued in connection with deferred compensation plan, net (in shares)		809,751
Shares issued in connection with deferred compensation plan, net	(24,246)	$ 8			(24,254)
Deferred compensation plan elective participant deferrals	669		669
Shares issued in connection with executive bonus plan, net (in shares)		72,105
Shares issued in connection with executive bonus plan, net	2,804	$ 1	4,995		(2,192)
Shares issued in connection with employee stock purchase plan (in shares)		109,749
Shares issued and repurchased in connection with employee stock purchase plan	4,490	$ 1	4,610		(121)
Stock option exercises, net (in shares)		1,401,249
Stock option exercises, net	(4,883)	$ 14	2,754		(7,651)
Acquisition option exercises, net (in shares)		149,855
Acquisition option exercises, net	0	$ 1	(1)
Stock-based compensation expense	6,667		6,667
Shares related to restricted stock, net (in shares)		64,665
Shares related to restricted stock, net	(1,555)	$ 1	(1)		(1,555)
Ending balance (in shares) at Mar. 31, 2022		285,134,093
Ending balance at Mar. 31, 2022	457,653	$ 2,851	957,498	(75,324)	(427,372)	0
Beginning balance (in shares) at Dec. 31, 2022		289,014,487
Beginning balance at Dec. 31, 2022	573,454	$ 2,890	1,030,466	(89,740)	(370,866)	704
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	45,490				45,490
Other comprehensive income (loss)	366			366
Dividends declared	(14,522)				(14,522)
Shares issued in connection with deferred compensation plan, net (in shares)		1,052,738
Shares issued in connection with deferred compensation plan, net	(13,626)	$ 11	(11)		(13,626)
Deferred compensation plan elective participant deferrals	1,533		1,533
Shares issued in connection with executive bonus plan, net (in shares)		79,804
Shares issued in connection with executive bonus plan, net	3,059	$ 1	5,483		(2,425)
Shares issued in connection with employee stock purchase plan (in shares)		153,381
Shares issued and repurchased in connection with employee stock purchase plan	4,335	$ 1	4,556		(222)
Stock option exercises, net (in shares)		928,300
Stock option exercises, net	2,501	$ 9	4,193		(1,701)
Stock-based compensation expense	14,625		14,625
Shares related to restricted stock, net (in shares)		272,561
Shares related to restricted stock, net	(3,025)	$ 3	(3)		(3,025)
Ending balance (in shares) at Mar. 31, 2023		291,501,271
Ending balance at Mar. 31, 2023	$ 614,190	$ 2,915	$ 1,060,842	$ (89,374)	$ (360,897)	$ 704