Other Assets - Other Noncurrent Assets (Detail) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Sep. 30, 2018 |
---|---|---|
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | ||
Settlement receivable | $ 0 | $ 7,224 |
Notes receivable | 2,124 | 2,561 |
Other assets | 160 | 485 |
Total other assets | $ 2,284 | $ 10,270 |