Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Restricted Cash (Details)

v3.10.0.1
Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Sep. 30, 2017
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents $ 0.5 $ 0.8