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Recent Accounting Pronouncements - Narrative (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Oct. 01, 2019 | Sep. 30, 2019 | [1] | Oct. 01, 2018
--- | --- | --- | --- | --- | ---
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Other assets | $ 3,676 |  | $ 5,323 |
Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Other assets |  | $ 2,890 |  |
Retained Earnings |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Adoption of Accounting Standards Update (ASU) 2016-01 |  |  |  | $ 63
Retained Earnings | Accounting Standards Update 2016-01 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Adoption of Accounting Standards Update (ASU) 2016-01 |  |  |  | $ 63
[1] | Derived from audited consolidated financial statements.

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