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Stockholders' Equity - September 2018 Rights Offering - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended
	Sep. 30, 2018	Feb. 28, 2018
Stockholders Equity Note [Abstract]
Sale of common stock, net of expenses (in shares)	6,669	606
Net proceeds from issuance of common stock	$ 7.0

X

- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

Number of new stock issued during the period.

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