Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance (in shares) at Dec. 31, 2020		64,851,126
Beginning balance at Dec. 31, 2020	$ 2,119,912	$ 649	$ 1,407,597	$ 711,666	$ 0
Stockholders' Equity [Roll Forward]
Net Income	573,657			573,657
Other comprehensive income (loss)	0
Shares issued under stock-based compensation programs, net (in shares)		640,869
Shares issued under stock-based compensation programs, net	(16,216)	$ 6	(16,222)
Cash dividends declared	(117,842)			(117,842)
Stock dividends declared (in shares)		5,192,776
Stock dividend declared	(687)	$ 52	279,579	(280,318)
Stock-based compensation expense	38,322		38,322
Forfeiture of restricted stock (in shares)		(16,678)
Forfeiture of restricted stock	0
Ending balance (in shares) at Dec. 31, 2021		70,668,093
Ending balance at Dec. 31, 2021	2,597,146	$ 707	1,709,276	887,163	0
Stockholders' Equity [Roll Forward]
Net Income	562,139			562,139
Other comprehensive income (loss)	0
Shares issued under stock-based compensation programs, net (in shares)		1,931,633
Shares issued under stock-based compensation programs, net	16,840	$ 19	16,821
Cash dividends declared	(142,417)			(142,417)
Stock-based compensation expense	58,076		58,076
Forfeiture of restricted stock (in shares)		(14,130)
Forfeiture of restricted stock	$ 0
Ending balance (in shares) at Dec. 31, 2022	72,585,596	72,585,596
Ending balance at Dec. 31, 2022	$ 3,091,784	$ 726	1,784,173	1,306,885	0
Stockholders' Equity [Roll Forward]
Net Income	401,005			401,005
Other comprehensive income (loss)	51				51
Shares issued under stock-based compensation programs, net (in shares)		2,079,536
Shares issued under stock-based compensation programs, net	20,773	$ 21	20,752
Cash dividends declared	(155,237)			(155,237)
Stock-based compensation expense	19,509		19,509
Forfeiture of restricted stock (in shares)		(3,653)
Forfeiture of restricted stock	$ 0
Ending balance (in shares) at Dec. 31, 2023	74,661,479	74,661,479
Ending balance at Dec. 31, 2023	$ 3,377,885	$ 747	$ 1,824,434	$ 1,552,653	$ 51