Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Non-controlling Interest [Member] Joint Ventures [Member]	Non-controlling Interest [Member] Principal Equityholders [Member]
Balance at Dec. 31, 2014							$ (10,910)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income before non-controlling interests, net of tax	$ 162,660
Other comprehensive loss	(26,022)
Balance at Sep. 30, 2015							(17,959)
Balance at Dec. 31, 2014							(10,910)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock		$ (15,000)
Repurchase of common stock, shares		934,434
Balance at Dec. 31, 2015	1,972,677	$ 0	$ 1	$ 376,898	$ (14,981)	$ 175,997	(17,997)	$ 6,398	$ 1,446,361
Balance, shares at Dec. 31, 2015		32,224,421	89,108,569		934,434
Balance at Jun. 30, 2015							(17,846)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income before non-controlling interests, net of tax	45,794
Other comprehensive loss	(565)
Balance at Sep. 30, 2015							(17,959)
Balance at Dec. 31, 2015	1,972,677	$ 0	$ 1	376,898	$ (14,981)	175,997	(17,997)	6,398	1,446,361
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income before non-controlling interests, net of tax	130,452					33,335		856	96,261
Other comprehensive loss	(447)						(118)		(329)
Exchange of New TMM Units and corresponding number of Class B Common Stock, shares		96,444	(96,444)
Cancellation of forfeited New TMM Units and corresponding number of Class B Common Stock, shares			(1,821)
Issuance of restricted stock units, shares		13,787
Repurchase of common stock	(28,543)	$ (28,500)			$ (28,543)
Repurchase of common stock, shares		1,918,999			1,918,999
Share based compensation	8,959			2,309					6,650
Contributions to/(Distributions from) non-controlling interests of consolidated joint ventures	(60)			350				(410)
Balance at Sep. 30, 2016	$ 2,083,038	$ 0	$ 1	$ 379,557	$ (43,524)	$ 209,332	$ (18,115)	$ 6,844	$ 1,548,943
Balance, shares at Sep. 30, 2016		30,415,653	89,010,304		2,853,433