CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Noncontrolling Interests
Balance, Stockholders Equity at Dec. 31, 2020	$ 810,741	$ 38	$ 698,287	$ (319,092)	$ 429,991	$ 1,517
Balance (in shares) at Dec. 31, 2020		37,470,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock - employee stock purchase plan	3,968		3,968
Issuance of stock - employee stock purchase plan (shares)		20,823
Issuance/(cancellation) of non-vested stock	0		0
Issuance/(cancellation) of non-vested stock (shares)		151,365
Exercise of stock options	2,054		2,054
Exercise of stock options (in shares)		32,468
Non-cash compensation	23,809		23,809
Surrendered shares	(16,898)			(16,898)
Shares repurchased	(99,878)			(99,878)
Noncontrolling interest contributions	250					250
Noncontrolling interest distributions	(1,747)					(1,747)
Acquired noncontrolling interest	43,858					43,858
Net income (loss)	210,166				209,072	1,094
Balance, Stockholders Equity at Dec. 31, 2021	976,323	$ 38	728,118	(435,868)	639,063	44,972
Balance (in shares) at Dec. 31, 2021		37,674,868
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock - employee stock purchase plan	3,848		3,848
Issuance of stock - employee stock purchase plan (shares)		36,206
Issuance/(cancellation) of non-vested stock	0		0
Issuance/(cancellation) of non-vested stock (shares)		142,477
Exercise of stock options	2,304		2,304
Exercise of stock options (in shares)		37,635
Non-cash compensation	16,560		16,560
Surrendered shares	(7,981)			(7,981)
Shares repurchased	(17,351)			(17,351)
Noncontrolling interest contributions	12,401					12,401
Noncontrolling interest distributions	(1,561)					(1,561)
Sale of noncontrolling interest	4,331		4,233			98
Net income (loss)	117,699				118,609	(910)
Balance, Stockholders Equity at Dec. 31, 2022	1,106,573	$ 38	755,063	(461,200)	757,672	55,000
Balance (in shares) at Dec. 31, 2022		37,891,186
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock - employee stock purchase plan	2,602		2,602
Issuance of stock - employee stock purchase plan (shares)		37,408
Issuance/(cancellation) of non-vested stock	0		0
Issuance/(cancellation) of non-vested stock (shares)		189,951
Exercise of stock options	$ 100		100
Exercise of stock options (in shares)	12,933	12,933
Non-cash compensation	$ 29,024		29,024
Surrendered shares	(6,529)		897	(7,426)
Purchase of noncontrolling interest	(630)		(509)			(121)
Noncontrolling interest contributions	1,452					1,452
Noncontrolling interest distributions	(1,873)					(1,873)
Net income (loss)	(10,936)				(9,747)	(1,189)
Balance, Stockholders Equity at Dec. 31, 2023	$ 1,119,783	$ 38	$ 787,177	$ (468,626)	$ 747,925	$ 53,269
Balance (in shares) at Dec. 31, 2023		38,131,478