Business Segments - Schedule of Business Segment Financial Information (Details)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)	Dec. 31, 2015 segment
Segment Reporting Information [Line Items]
Fair value of contingent consideration adjustment expense (income)	$ 7,276,000	$ 676,424		$ 9,187,336	$ 989,657
Number of Operating Segments | segment				2		3
Revenue from third parties	269,219,775	252,227,000		$ 540,292,465	494,323,000
Revenue from other segments	0			0	0
Total revenue	269,220,000	252,227,000		540,292,000	494,323,000
Adjusted EBITDA	14,792,862	13,411,966		26,487,692	21,624,000
North America [Member]
Segment Reporting Information [Line Items]
Revenue from third parties	177,005,703		$ 168,936,000	367,009,459	339,737,000
Revenue from other segments	0			0	0
Total revenue	177,005,703	168,936,000		367,009,459	339,737,000
Adjusted EBITDA	15,792,578	14,762,000		31,798,763	29,696,000
Latin America [Member]
Segment Reporting Information [Line Items]
Revenue from third parties	92,214,072	83,291,000		173,283,006	154,586,000
Revenue from other segments	3,741,556	3,256,000		7,508,799	5,453,000
Total revenue	95,955,628	86,547,000		180,791,805	160,039,000
Adjusted EBITDA	6,103,360	4,873,000		10,038,252	5,951,000
Other [Member]
Segment Reporting Information [Line Items]
Revenue from third parties	0			0
Revenue from other segments	(3,741,556)	(3,256,000)		(7,508,799)	(5,453,000)
Total revenue	(3,741,556)	(3,256,000)		(7,508,799)	(5,453,000)
Adjusted EBITDA	$ (7,103,075)	$ (6,223,000)		$ (15,349,323)	$ (14,023,000)