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Derivative Asset and Derivative Liabilities/Deferred Gain on Sale - Schedule of Derivatives (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | ---
Assets: |  |
Derivative asset | $ 3,269 | $ 0
Liabilities: |  |
Derivative liabilities | 14,536 | 0
Deferred gain on sale | 0 | 24,928
Total derivative liabilities and deferred gain on sale | $ 14,536 | $ 24,928

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