Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Total Stockholders’ Equity	Noncontrolling Interests
Beginning balance at Dec. 31, 2016	$ 1,848,510	$ 1,586	$ 880,822	$ 947,039	$ 1,829,447	$ 19,063
Beginning balance (shares) at Dec. 31, 2016		158,626,229
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	187,551			187,191	187,191	360
Shares issued under share-based awards	12,291	$ 16	12,275		12,291
Shares issued under share-based awards (shares)		1,531,475
Minimum tax withholding paid on behalf of employees for restricted stock units	(2,896)		(2,896)		(2,896)
Stock-based compensation expense	15,906		15,906		15,906
Share repurchases	(112,217)	$ (90)	(112,127)		(112,217)
Share repurchases (shares)		(8,994,705)
Distributions to noncontrolling interests, net	(1,333)					(1,333)
Net effect of consolidations, de-consolidations and other transactions	(17,485)					(17,485)
Ending balance at Dec. 31, 2017	1,930,327	$ 1,512	793,980	1,134,230	1,929,722	605
Ending balance (shares) at Dec. 31, 2017		151,162,999
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	271,513			269,911	269,911	1,602
Shares issued under share-based awards	1,943	$ 9	1,934		1,943
Shares issued under share-based awards (shares)		891,323
Minimum tax withholding paid on behalf of employees for restricted stock units	(6,049)		(6,049)		(6,049)
Stock-based compensation expense	14,814		14,814		14,814
Share repurchases	(146,063)	$ (104)	(145,959)		(146,063)
Share repurchases (shares)		(10,392,609)
Distributions to noncontrolling interests, net	(2,194)					(2,194)
Ending balance at Dec. 31, 2018	$ 2,056,937	$ 1,417	658,720	1,396,787	2,056,924	13
Ending balance (shares) at Dec. 31, 2018	141,661,713	141,661,713
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 207,187			207,187	207,187
Shares issued under share-based awards	449	$ 6	443		449
Shares issued under share-based awards (shares)		623,542
Minimum tax withholding paid on behalf of employees for restricted stock units	(3,612)		(3,612)		(3,612)
Stock-based compensation expense	14,806		14,806		14,806
Share repurchases	(89,224)	$ (62)	(89,162)		(89,224)
Share repurchases (shares)		(6,135,622)
Net effect of consolidations, de-consolidations and other transactions	(1)					(1)
Ending balance at Dec. 31, 2019	$ 2,186,542	$ 1,361	$ 581,195	$ 1,603,974	$ 2,186,530	$ 12
Ending balance (shares) at Dec. 31, 2019	136,149,633	136,149,633