Quarterly report pursuant to Section 13 or 15(d)

Customer and Supplier Concentrations - Summary of Customer and Supplier Concentration of Accounts Receivable (Details)

v3.19.1
Customer and Supplier Concentrations - Summary of Customer and Supplier Concentration of Accounts Receivable (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Jun. 30, 2018
Concentration Risk [Line Items]          
Receivables, net [1] $ 15,725   $ 15,725   $ 35,856
Customer concentrations          
Concentration Risk [Line Items]          
Receivables, net $ 15,725   $ 15,725   $ 35,856
Accounts receivable concentration risk, as a percentage 100.00% 100.00% 100.00% 100.00% 100.00%
Accounts Receivable | Customer concentrations          
Concentration Risk [Line Items]          
Receivables, net $ 7,642   $ 7,642   $ 8,143
Accounts receivable concentration risk, as a percentage     48.60%   22.70%
Customer A | Accounts Receivable | Customer concentrations          
Concentration Risk [Line Items]          
Receivables, net 5,252   $ 5,252   $ 7,468
Accounts receivable concentration risk, as a percentage     33.40%   20.80%
Customer B | Accounts Receivable | Customer concentrations          
Concentration Risk [Line Items]          
Receivables, net $ 2,390   $ 2,390   $ 675
Accounts receivable concentration risk, as a percentage     15.20%   1.90%
[1] Includes amounts of the consolidated variable interest entity, which is presented separately in the table below.