CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) $ in Thousands	Total	Class A and B Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]
Beginning Balance at Dec. 31, 2022	$ 1,599,602	$ 761	$ 192,365	$ 1,781,582	$ (214)	$ (374,892)
Beginning Balance (in shares) at Dec. 31, 2022		76,099,092				(9,656,044)
Stock tendered for payments of withholding taxes related to awards vested	(7,818)					$ (7,818)
Stock tendered for payments of withholding taxes related to awards vested (in shares)						(98,209)
Purchase of treasury stock	(100,026)					$ (100,026)
Purchase of treasury shares (in shares)						(1,323,425)
Issuance of restricted stock awards, net of forfeitures			(4,424)			$ 4,424
Issuance of restricted stock awards, net of forfeitures (in shares)						177,021
Share-based compensation expense	10,615		10,615
Net Income (Loss)	108,285			108,285
Foreign currency translation adjustment	78				78
Ending Balance at Jun. 30, 2023	1,610,736	$ 761	198,556	1,889,867	(136)	$ (478,312)
Ending Balance (in shares) at Jun. 30, 2023		76,099,092				(10,900,657)
Beginning Balance at Mar. 31, 2023	1,659,048	$ 761	190,311	1,843,362	(180)	$ (375,206)
Beginning Balance (in shares) at Mar. 31, 2023		76,099,092				(9,542,030)
Stock tendered for payments of withholding taxes related to awards vested	(212)					$ (212)
Stock tendered for payments of withholding taxes related to awards vested (in shares)						(2,695)
Purchase of treasury stock	(100,026)					$ (100,026)
Purchase of treasury shares (in shares)						(1,323,425)
Issuance of restricted stock awards, net of forfeitures			2,868			$ (2,868)
Issuance of restricted stock awards, net of forfeitures (in shares)						(32,507)
Share-based compensation expense	5,377		5,377
Net Income (Loss)	46,505			46,505
Foreign currency translation adjustment	44				44
Ending Balance at Jun. 30, 2023	1,610,736	$ 761	198,556	1,889,867	(136)	$ (478,312)
Ending Balance (in shares) at Jun. 30, 2023		76,099,092				(10,900,657)
Beginning Balance at Dec. 31, 2023	1,634,645	$ 761	209,830	1,949,110	(129)	$ (524,927)
Beginning Balance (in shares) at Dec. 31, 2023		76,099,092				(13,323,268)
Adjustment related to stock split		$ (32)	32
Adjustment related to stock split, (in shares)		(3,220,961)				3,220,961
Stock tendered for payments of withholding taxes related to awards vested	(8,664)					$ (8,664)
Stock tendered for payments of withholding taxes related to awards vested (in shares)						(190,304)
Purchase of treasury stock	$ (32,938)					$ (32,938)
Purchase of treasury shares (in shares)	767,803					(767,803)
Federal excise tax on purchased treasury stock	$ (1,765)					$ (1,765)
Issuance of restricted stock awards, net of forfeitures			(7,949)			$ 7,949
Issuance of restricted stock awards, net of forfeitures (in shares)						410,189
Share-based compensation expense	9,433		9,433
Dividends paid	(15,230)			(15,230)
Dividends accrued	(348)			(348)
Net Income (Loss)	56,068			56,068
Foreign currency translation adjustment	(71)				(71)
Ending Balance at Jun. 30, 2024	1,641,130	$ 729	211,346	1,989,600	(200)	$ (560,345)
Ending Balance (in shares) at Jun. 30, 2024		72,878,131				(10,650,225)
Beginning Balance at Mar. 31, 2024	1,622,216	$ 729	208,964	1,968,361	(137)	$ (555,701)
Beginning Balance (in shares) at Mar. 31, 2024		72,878,131				(10,455,784)
Stock tendered for payments of withholding taxes related to awards vested	(178)					$ (178)
Stock tendered for payments of withholding taxes related to awards vested (in shares)						(4,237)
Purchase of treasury stock	$ (7,182)					$ (7,182)
Purchase of treasury shares (in shares)	179,875					(179,875)
Federal excise tax on purchased treasury stock	$ (295)					$ (295)
Issuance of restricted stock awards, net of forfeitures			(3,011)			$ 3,011
Issuance of restricted stock awards, net of forfeitures (in shares)						(10,329)
Share-based compensation expense	5,393		5,393
Dividends paid	(7,604)			(7,604)
Dividends accrued	(172)			(172)
Net Income (Loss)	29,015			29,015
Foreign currency translation adjustment	(63)				(63)
Ending Balance at Jun. 30, 2024	$ 1,641,130	$ 729	$ 211,346	$ 1,989,600	$ (200)	$ (560,345)
Ending Balance (in shares) at Jun. 30, 2024		72,878,131				(10,650,225)