Quarterly report pursuant to Section 13 or 15(d)

Customer and Supplier Concentration (Details)

v3.3.0.814
Customer and Supplier Concentration (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2015
Mar. 31, 2015
Sep. 30, 2014
Jun. 30, 2015
Concentration Risk [Line Items]        
Revenues $ 2,006,936   $ 1,453,466  
Revenue | Customer concentrations        
Concentration Risk [Line Items]        
Revenues 2,006,936   $ 1,453,466  
Concentration risk, percentage   100.00% 100.00%  
Accounts receivable | Customer concentrations        
Concentration Risk [Line Items]        
Total accounts receivable, net $ 47,899     $ 30,025
Concentration risk, percentage 100.00%     100.00%
HSBC Bank USA | Revenue | Customer concentrations        
Concentration Risk [Line Items]        
Revenues $ 333,553   $ 534,538  
Concentration risk, percentage 16.60%   36.80%  
ABN AMRO | Accounts receivable | Customer concentrations        
Concentration Risk [Line Items]        
Total accounts receivable, net $ 9,967     $ 0
Concentration risk, percentage 20.80%     0.00%
JM Bullion | Revenue | Customer concentrations        
Concentration Risk [Line Items]        
Revenues $ 246,869   $ 66,565  
Concentration risk, percentage 12.30%   4.60%  
Major Customers | Revenue | Customer concentrations        
Concentration Risk [Line Items]        
Revenues $ 580,422   $ 601,103  
Concentration risk, percentage 28.90%   41.40%  
Major Customers | Accounts receivable | Customer concentrations        
Concentration Risk [Line Items]        
Total accounts receivable, net $ 9,967     $ 0
Concentration risk, percentage 20.80%     0.00%