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 |
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| 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 |
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- References No definition available.
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- Definition Amount of cash inflow from issuance of shares under share-based compensation arrangement. Issuance includes, but is not limited to, exercise of stock options and similar instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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