Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Additional Information (Details)

v3.10.0.1
Fair Value Measurements - Additional Information (Details)
Sep. 30, 2018
USD ($)
Recurring Basis  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Financial liabilities, fair value $ 0