Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Capital Contribution (Details)

v3.19.3
Related Party Transactions - Capital Contribution (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 27, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Apr. 16, 2018
Related Party Transaction [Line Items]          
Capital contribution received from noncontrolling interest   $ 0 $ 1,000 $ 0  
Affiliated Entity | Citree          
Related Party Transaction [Line Items]          
Additional cash capital contribution required         $ 2,041
Contribution funded by the Company $ 1,041        
Capital contribution received from noncontrolling interest $ 1,000