Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Non-controlling Interest Joint Ventures	Non-controlling Interest Principal Equityholders
Balance at Dec. 31, 2015							$ (17,997)
Increase (Decrease) in Stockholders' Equity
Income before non-controlling interests, net of tax	$ 26,104
Balance at Mar. 31, 2016							(18,115)
Balance at Dec. 31, 2016	2,160,202	$ 0	$ 1	$ 384,709	$ (43,524)	$ 228,613	(17,989)	$ 1,525	$ 1,606,867
Balance, shares at Dec. 31, 2016		30,486,858	88,942,052		2,853,433
Increase (Decrease) in Stockholders' Equity
Income before non-controlling interests, net of tax	35,601					11,476		(9)	24,134
Exchange of New TMM Units and corresponding number of Class B Common Stock, shares		49,956	(49,956)
Cancellation of forfeited New TMM Units and corresponding number of Class B Common Stock, shares			(1,592)
Exercise of stock options	411			411
Exercise of stock options, shares		33,583
Issuance of restricted stock units, shares		46,130
Restricted stock units withheld to cover taxes	(282)			(282)
Restricted stock units withheld to cover taxes, shares		(14,942)
Issuance of shares from secondary offerings	387,720			387,720
Issuance of shares from secondary offerings, shares		21,500,000
Repurchase of New TMM Units from principal equityholders	(388,550)								(388,550)
Repurchase of New TMM Units from principal equityholders. shares			21,500,000
Share based compensation	3,012			991					2,021
Changes in non-controlling interests of consolidated joint ventures	(390)							(390)
Balance at Mar. 31, 2017	$ 2,197,724	$ 0	$ 1	$ 773,549	$ (43,524)	$ 240,089	$ (17,989)	$ 1,126	$ 1,244,472
Balance, shares at Mar. 31, 2017		52,101,585	67,390,504		2,853,433