Nature of Operations and Basis of Presentation (Details)	6 Months Ended
Dec. 31, 2017
Basis of Presentation
Length of interim quarterly reporting periods	91 days

Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

No definition available.

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