CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss, net	(Accumulated Deficit) Retained Earnings	Noncontrolling Interest in Subsidiary
Beginning balance (shares) at Dec. 31, 2020		36,177,000
Beginning balance at Dec. 31, 2020	$ 154,909	$ 4	$ 310,388	$ (1,280)	$ (154,737)	$ 534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock (shares)		479,000
Vesting of restricted stock	(2,230)		(2,230)
Equity compensation	$ 5,257		5,257
Shares repurchased and retired (in shares)	0
Foreign currency translation adjustment, net of taxes	$ (32)			(32)
Acquisition of WSG (shares)		308,000
Acquisition of WSG	5,000		5,000
Dissolution of noncontrolling interest	(324)					(324)
Distribution to noncontrolling shareholder	(210)					(210)
Net income	54,429				54,429
Ending balance (shares) at Sep. 30, 2021		36,964,000
Ending balance at Sep. 30, 2021	216,799	$ 4	318,415	(1,312)	(100,308)	0
Beginning balance (shares) at Jun. 30, 2021		36,962,000
Beginning balance at Jun. 30, 2021	192,131	$ 4	316,644	(1,310)	(123,741)	534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock (shares)		2,000
Equity compensation	$ 1,771		1,771
Shares repurchased and retired (in shares)	0
Foreign currency translation adjustment, net of taxes	$ (2)			(2)
Dissolution of noncontrolling interest	(324)					(324)
Distribution to noncontrolling shareholder	(210)					(210)
Net income	23,433				23,433
Ending balance (shares) at Sep. 30, 2021		36,964,000
Ending balance at Sep. 30, 2021	216,799	$ 4	318,415	(1,312)	(100,308)	0
Beginning balance (shares) at Dec. 31, 2021		37,024,000
Beginning balance at Dec. 31, 2021	297,528	$ 4	321,552	(1,293)	(22,735)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock (shares)		499,000
Vesting of restricted stock	(5,267)		(5,267)
Equity compensation	5,206		5,206
Shares repurchased and retired (in shares)		(1,015,000)
Stock repurchase and retirement	(24,348)		(24,348)
Foreign currency translation adjustment, net of taxes	(80)			(80)
Net income	149,670				149,670
Ending balance (shares) at Sep. 30, 2022		36,508,000
Ending balance at Sep. 30, 2022	422,709	$ 4	297,143	(1,373)	126,935	0
Beginning balance (shares) at Jun. 30, 2022		37,523,000
Beginning balance at Jun. 30, 2022	410,811	$ 4	320,000	(1,335)	92,142	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity compensation	1,491		1,491
Shares repurchased and retired (in shares)		(1,015,000)
Stock repurchase and retirement	(24,348)		(24,348)
Foreign currency translation adjustment, net of taxes	(38)			(38)
Net income	34,793				34,793
Ending balance (shares) at Sep. 30, 2022		36,508,000
Ending balance at Sep. 30, 2022	$ 422,709	$ 4	$ 297,143	$ (1,373)	$ 126,935	$ 0