CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in- Capital	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021			55,609,226
Beginning balance at Dec. 31, 2021		$ 265,882	$ 951	$ 259,317	$ (4,574)	$ (1,265,032)	$ 1,275,220
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		67,391					67,391
Other comprehensive income (loss), net of tax		(134)			(134)
Share-based payment activity (in shares)	[1]		262,008
Share-based payment activity	[1]	9,558		6,068		3,486	4
Dividends declared	[1]	(13,250)					(13,250)
Treasury purchases (in shares)			(100,912)
Treasury purchases		(14,802)				(14,802)
Ending balance (in shares) at Mar. 31, 2022			55,770,322
Ending balance at Mar. 31, 2022		$ 314,645	$ 951	265,385	(4,708)	(1,276,348)	1,329,365
Beginning balance (in shares) at Dec. 31, 2022		52,200,903	52,200,903
Beginning balance at Dec. 31, 2022		$ 154,660	$ 951	298,053	(5,211)	(1,694,857)	1,555,724
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		52,820					52,820
Other comprehensive income (loss), net of tax		394			394
Share-based payment activity (in shares)	[1]		315,049
Share-based payment activity	[1]	15,396		1,899		13,497	0
Dividends declared	[1]	(14,709)					(14,709)
Treasury purchases (in shares)	[2]		(1,341,520)
Treasury purchases	[2]	$ (161,553)				(161,553)
Ending balance (in shares) at Mar. 31, 2023		51,174,432	51,174,432
Ending balance at Mar. 31, 2023		$ 47,008	$ 951	$ 299,952	$ (4,817)	$ (1,842,913)	$ 1,593,835

[1] During the year ended December 31, 2022, the Company declared cash dividends at a quarterly rate of $0.2375 per share of common stock. In March 2023, the Company's board of directors approved a 21% increase in the quarterly cash dividend to $0.2875 per share, effective with the dividend payable on April 18, 2023 to shareholders of record on April 3, 2023. This increase will result in a projected 2023 annual dividend rate of $1.15 per share, subject to future declarations by the board of directors. During certain periods presented, accumulated dividends were paid to certain shareholders upon vesting of performance vested restricted stock units ("PVRSU") which are captured in Share-based payment activity.(2) Beginning January 1, 2023, Treasury purchases include excise tax as imposed by the Inflation Reduction Act of 2022.

[2] Beginning January 1, 2023, Treasury purchases include excise tax as imposed by the Inflation Reduction Act of 2022.