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Recent Accounting Pronouncements - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019	[1]	Oct. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	$ 2,967		$ 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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