Earnings Per Share (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Numerator:
Net loss attributable to common shareholders	$ (9,377,064)	$ (15,947,280)	$ (81,461,024)	$ (33,861,726)	$ (62,800,000)	$ (31,900,000)	$ (27,500,000)
Denominator:
Weighted average number of common shares outstanding (in shares)	169,557,223	84,150,851	154,539,225	67,194,806