Business Segments - Schedule of Business Segment Financial Information (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) segment	Mar. 31, 2015 USD ($)	Dec. 31, 2015 segment
Segment Reporting Information [Line Items]
Fair value of contingent consideration adjustment expense (income)	$ 1,910,922	$ 313,233
Number of Operating Segments | segment	2		3
Net revenue from third parties	$ 271,072,690	242,095,497
Net revenue from other segments	0	0
Total net revenues	271,072,690	242,095,497
Adjusted EBITDA	12,559,670	9,478,112
North America [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	190,003,756	170,801,000
Net revenue from other segments	0	0
Total net revenues	190,003,756	170,801,000
Adjusted EBITDA	16,346,339	15,664,000
Latin America [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	81,068,934	71,294,497
Net revenue from other segments	3,767,242	186,000
Total net revenues	84,836,176	71,480,497
Adjusted EBITDA	4,102,198	1,247,000
Other [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	0	0
Net revenue from other segments	(3,767,242)	(186,000)
Total net revenues	(3,767,242)	(186,000)
Adjusted EBITDA	$ (7,888,867)	$ (7,432,888)