Annual report pursuant to Section 13 and 15(d)

Equity - Summary of Information Pertaining to Stock Options Vested and Exercised (Details)

v3.19.3
Equity - Summary of Information Pertaining to Stock Options Vested and Exercised (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Aggregate intrinsic value of all stock options exercised $ 0 $ 0 $ 4,025
Net cash proceeds from exercise of stock options $ 0 $ 0 $ 924