Subsequent Event (Details) - Public Offering - Subsequent Event $ / shares in Units, $ in Millions	1 Months Ended
Jul. 31, 2018 USD ($) $ / shares shares
Subsequent Event [Line Items]
Number of shares issued (in shares) \| shares	3,333,334
Price of shares (in USD per share) \| $ / shares	$ 22.50
Net proceeds from sale of shares \| $	$ 70.2

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration