Shareholders' Equity - Additional Information (Details) - USD ($)	May 15, 2019	Sep. 30, 2018	Jun. 30, 2018
Shareholders' Equity
Dividends declaration date	May 15, 2019
Per share cash dividend	$ 0.16	$ 0.16	$ 0.16
Date of dividends to be paid	Jul. 15, 2019
Dividends payable record date	Jun. 28, 2019
Aggregate dividend payable	$ 413,000

Date the declared dividend will be paid, in CCYY-MM-DD format.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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