Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		44,827
Beginning balance at Dec. 31, 2022	$ 2,057,975	$ 448	$ (138,909)	$ 551,215	$ (520)	$ 1,645,741
Beginning balance (in shares) at Dec. 31, 2022			5,367
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	96,733					96,733
Other comprehensive income	6				6
Common stock issued (in shares)		156
Common stock issued	2	$ 2
Treasury stock purchased (in shares)			25
Treasury stock purchased	(1,482)		$ (1,482)
Stock-based compensation	3,324			3,324
Common stock dividends	(6,110)					(6,110)
Tax withholding payments on stock-based awards	(5,926)			(5,926)
Other	(2)			(2)
Ending balance (in shares) at Mar. 31, 2023		44,983
Ending balance at Mar. 31, 2023	2,144,520	$ 450	$ (140,391)	548,611	(514)	1,736,364
Ending balance (in shares) at Mar. 31, 2023			5,392
Beginning balance (in shares) at Dec. 31, 2022		44,827
Beginning balance at Dec. 31, 2022	2,057,975	$ 448	$ (138,909)	551,215	(520)	1,645,741
Beginning balance (in shares) at Dec. 31, 2022			5,367
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	386,121
Other comprehensive income	19
Ending balance (in shares) at Sep. 30, 2023		44,983
Ending balance at Sep. 30, 2023	2,307,595	$ 450	$ (140,448)	556,805	(501)	1,891,289
Ending balance (in shares) at Sep. 30, 2023			5,393
Beginning balance (in shares) at Mar. 31, 2023		44,983
Beginning balance at Mar. 31, 2023	2,144,520	$ 450	$ (140,391)	548,611	(514)	1,736,364
Beginning balance (in shares) at Mar. 31, 2023			5,392
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	146,320					146,320
Other comprehensive income	7				7
Treasury stock purchased (in shares)			1
Treasury stock purchased	(57)		$ (57)
Stock-based compensation	4,194			4,194
Common stock dividends	(126,460)					(126,460)
Ending balance (in shares) at Jun. 30, 2023		44,983
Ending balance at Jun. 30, 2023	2,168,524	$ 450	$ (140,448)	552,805	(507)	1,756,224
Ending balance (in shares) at Jun. 30, 2023			5,393
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	143,068					143,068
Other comprehensive income	6				6
Stock-based compensation	4,000			4,000
Common stock dividends	(8,003)					(8,003)
Ending balance (in shares) at Sep. 30, 2023		44,983
Ending balance at Sep. 30, 2023	$ 2,307,595	$ 450	$ (140,448)	556,805	(501)	1,891,289
Ending balance (in shares) at Sep. 30, 2023			5,393
Beginning balance (in shares) at Dec. 31, 2023	44,983	44,983
Beginning balance at Dec. 31, 2023	$ 2,195,664	$ 450	$ (145,335)	560,697	(517)	1,780,369
Beginning balance (in shares) at Dec. 31, 2023	5,443		5,443
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 104,124					104,124
Other comprehensive income	8				8
Common stock issued (in shares)		144
Common stock issued	1	$ 1
Treasury stock purchased (in shares)			206
Treasury stock purchased	(26,971)		$ (26,971)
Stock-based compensation	4,105			4,105
Common stock dividends	(8,677)					(8,677)
Tax withholding payments on stock-based awards	(10,980)			(10,980)
Other	(72)		(71)	(1)
Ending balance (in shares) at Mar. 31, 2024		45,127
Ending balance at Mar. 31, 2024	$ 2,257,202	$ 451	$ (172,377)	553,821	(509)	1,875,816
Ending balance (in shares) at Mar. 31, 2024			5,649
Beginning balance (in shares) at Dec. 31, 2023	44,983	44,983
Beginning balance at Dec. 31, 2023	$ 2,195,664	$ 450	$ (145,335)	560,697	(517)	1,780,369
Beginning balance (in shares) at Dec. 31, 2023	5,443		5,443
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 307,454
Other comprehensive income	$ 22
Ending balance (in shares) at Sep. 30, 2024	45,130	45,130
Ending balance at Sep. 30, 2024	$ 2,123,433	$ 451	$ (305,227)	561,223	(495)	1,867,481
Ending balance (in shares) at Sep. 30, 2024	6,675		6,675
Beginning balance (in shares) at Mar. 31, 2024		45,127
Beginning balance at Mar. 31, 2024	$ 2,257,202	$ 451	$ (172,377)	553,821	(509)	1,875,816
Beginning balance (in shares) at Mar. 31, 2024			5,649
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	112,292					112,292
Other comprehensive income	7				7
Common stock issued (in shares)		3
Common stock issued	0	$ 0
Treasury stock purchased (in shares)			472
Treasury stock purchased	(61,887)		$ (61,887)
Stock-based compensation	3,818			3,818
Common stock dividends	(7,680)					(7,680)
Tax withholding payments on stock-based awards	(160)			(160)
Other	(616)		(615)	(1)
Ending balance (in shares) at Jun. 30, 2024		45,130
Ending balance at Jun. 30, 2024	2,302,976	$ 451	$ (234,879)	557,478	(502)	1,980,428
Ending balance (in shares) at Jun. 30, 2024			6,121
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	91,038					91,038
Other comprehensive income	7				7
Treasury stock purchased (in shares)			554
Treasury stock purchased	(69,651)		$ (69,651)
Stock-based compensation	3,745			3,745
Common stock dividends	(203,985)					(203,985)
Other	$ (697)		(697)
Ending balance (in shares) at Sep. 30, 2024	45,130	45,130
Ending balance at Sep. 30, 2024	$ 2,123,433	$ 451	$ (305,227)	$ 561,223	$ (495)	$ 1,867,481
Ending balance (in shares) at Sep. 30, 2024	6,675		6,675