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Treasury Stock - Narrative (Details) - USD ($)	Sep. 30, 2019	Oct. 30, 2018
Equity, Class of Treasury Stock [Line Items]
Share value available for repurchase	$ 3,900,000
Share Repurchase Plan - Authorized October 30, 2018
Equity, Class of Treasury Stock [Line Items]
Open market share value authorized for repurchase		$ 5,000,000.0

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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