Related Party Transactions (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Sep. 12, 2011
Advisory Agreement
Related Party Transaction [Line Items]
Annual advisory fee			$ 100,000
Related party payment	$ 200,000	$ 0
Due to related parties		100,000
Payments To Dedicated Carriers Owned By Employees
Related Party Transaction [Line Items]
Related party payment	1,700,000	1,400,000
Facilities Lease
Related Party Transaction [Line Items]
Related party payment	$ 600,000	$ 100,000