Summary of Significant Accounting Policies - New Accounting Standards (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets, net	$ 5,217
Operating lease liability	$ 5,786
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets, net		$ 7,000
Operating lease liability		$ 7,000