Acquisitions - Additional information (Details) (USD $)	1 Months Ended
	Feb. 28, 2014 Allied Transaction Convertible Subordinated Note	Feb. 28, 2014 Share Purchase Agreement Private Placement Installment	Feb. 28, 2014 Share Purchase Agreement Installment One Private Placement	May 31, 2014 Subsequent Event Allied Transaction Convertible Subordinated Note	May 31, 2014 Subsequent Event Share Purchase Agreement Installment Two Private Placement
Business Acquisition [Line Items]
Business Acquisition, value of shares issued		$ 270,000,000	$ 135,000,000		$ 135,000,000
Business acquisition, number of shares issued	497,454,857	376,884,422	188,442,211		188,442,211
Number of installments		2
Convertible subordinate note issued	50,000,000
Business combination, notes payable advanced	25,000,000			25,000,000
Cash consideration	$ 85,000,000			$ 85,000,000