Acquisitions - Purchase Price Allocation (Details) - USD ($) |
Sep. 30, 2016 |
Dec. 31, 2015 |
Jun. 01, 2015 |
|---|---|---|---|
| Business Acquisition [Line Items] | |||
| Goodwill | $ 307,314,171 | $ 308,490,588 | |
| Command Transportation, LLC | |||
| Business Acquisition [Line Items] | |||
| Cash | $ 9,495,246 | ||
| Accounts receivable, net | 62,398,350 | ||
| Property and equipment | 3,667,615 | ||
| Prepaid expenses | 818,903 | ||
| Goodwill | 225,304,568 | ||
| Intangible assets | 125,400,000 | ||
| Total assets acquired | 427,084,682 | ||
| Accounts payable | 11,172,240 | ||
| Accrued expenses | 8,206,050 | ||
| Total liabilities assumed | 19,378,290 | ||
| Total consideration transferred | $ 407,706,392 |