Business Segments - Schedule of Business Segment Financial Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Net revenue from third parties	$ 264,720,003	$ 251,651,521	$ 759,042,648	$ 753,490,776
Net revenue from other segments	(1)	0	0	0
Total net revenues	264,720,003	251,651,521	759,042,648	753,490,776
Adjusted EBITDA	17,617,069	12,285,708	37,205,402	30,332,816
North America [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	179,990,032	166,337,914	519,727,088	515,178,003
Net revenue from other segments	0	0	0	47,931
Total net revenues	179,990,032	166,337,914	519,727,088	515,225,934
Adjusted EBITDA	18,052,751	14,149,000	46,611,583	40,866,000
Latin America [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	25,710,381	24,621,937	74,075,949	77,522,235
Net revenue from other segments	358,303	102,639	1,302,000	320,625
Total net revenues	26,068,684	24,724,576	75,377,949	77,842,860
Adjusted EBITDA	2,288,215	1,464,000	5,563,869	4,194,000
EMEA [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	59,019,591	60,691,670	165,239,612	160,790,528
Net revenue from other segments	2,515,963	1,881	7,026,000	2,413,289
Total net revenues	61,535,554	60,693,551	172,265,612	163,203,817
Adjusted EBITDA	3,590,942	2,564,000	6,026,813	5,331,000
Other [Member]
Segment Reporting Information [Line Items]
Net revenue from third parties	0	0	0	0
Net revenue from other segments	(2,874,267)	(104,520)	(8,328,000)	(2,781,845)
Total net revenues	(2,874,267)	(104,520)	(8,328,000)	(2,781,845)
Adjusted EBITDA	$ (6,314,839)	$ (5,891,292)	$ (20,996,863)	$ (20,057,184)