CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (DEFICIT) - USD ($) $ in Thousands		Total	Cumulative Effect, Period of Adoption, Adjustment	[2]	Common Stock	Additional Paid-in- Capital	Accumulated Other Comprehensive Loss	Treasury Stock	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	[2]
Beginning balance (in shares) at Dec. 31, 2018					55,679,207
Beginning balance at Dec. 31, 2018		$ (183,772)			$ 951	$ 213,170	$ (5,446)	$ (1,187,625)	$ 795,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		222,878							222,878
Other comprehensive income (loss), net of tax		896					896
Share based payment activity (in shares)					654,694
Share based payment activity		38,056				19,698		18,358
Dividends declared		(48,609)							(48,609)
Treasury purchases (in shares)					(631,273)
Treasury purchases		(50,638)						(50,638)
Other	[1]	(2,322)				(1,708)			(614)
Ending balance (in shares) at Dec. 31, 2019					55,702,628
Ending balance at Dec. 31, 2019		$ (23,511)	$ (6,831)		$ 951	231,160	(4,550)	(1,219,905)	968,833	$ (6,831)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]		Accounting Standards Update 2016-13 [Member]
Net income		$ 75,387							75,387
Other comprehensive income (loss), net of tax		(96)					(96)
Share based payment activity (in shares)	[3]				506,953
Share based payment activity	[3]	17,201				2,761		14,877	(437)
Dividends declared	[3]	(12,452)							(12,452)
Treasury purchases (in shares)					(674,027)
Treasury purchases		$ (55,450)						(55,450)
Ending balance (in shares) at Dec. 31, 2020		55,535,554			55,535,554
Ending balance at Dec. 31, 2020		$ (5,752)			$ 951	233,921	(4,646)	(1,260,478)	1,024,500
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		288,957							288,957
Other comprehensive income (loss), net of tax		72					72
Share based payment activity (in shares)					185,867
Share based payment activity		34,215				25,396		8,811	8
Dividends declared		(38,245)							(38,245)
Treasury purchases (in shares)					(112,195)
Treasury purchases		$ (13,365)						(13,365)
Ending balance (in shares) at Dec. 31, 2021		55,609,226			55,609,226
Ending balance at Dec. 31, 2021		$ 265,882			$ 951	$ 259,317	$ (4,574)	$ (1,265,032)	$ 1,275,220

[1] (1) Impacts of i) adoption of Topic 606 related to a foreign affiliate accounted for as an equity method investment on Retained Earnings and ii) transaction resulting in an increase in ownership of a consolidated affiliate on Additional Paid-in-Capital.

[2] (2) Reflects the cumulative effect of ASU 2016-13, Financial Instruments - Credit Losses (Topic 326) and subsequent amendments issued thereafter (collectively "Topic 326"), which was adopted on January 1, 2020. Refer to Note 4.

[3] (3) During the fourth quarter of 2019, the Company's board of directors announced a 5% increase to the quarterly dividend rate to $0.225 per share from $0.215 per share, beginning with the dividend payable in the first quarter of 2020. On February 28, 2020, the Company’s board of directors declared a quarterly cash dividend of $0.225 per share of common stock. The dividend was payable on April 16, 2020 to shareholders of record on April 2, 2020. In April 2020, subsequent to the payment of the dividend and in light of uncertainty resulting from the COVID-19 pandemic, we suspended future, undeclared dividends. During 2020 and 2021, accumulated dividends were paid to certain shareholders upon vesting of certain performance vested restricted stock units ("PVRSU") which are captured in Share-based payment activity. On May 7, 2021 and September 9, 2021, the Company's board of directors declared a quarterly cash dividend of $0.225 per share of common stock. On December 6, 2021, the Company's board of directors approved a 6% increase in the quarterly cash dividend and declared a quarterly cash dividend of $0.2375 per share of common stock.