Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

No definition available.

Name:	us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Basis of Presentation (Details)	1 Months Ended		6 Months Ended
Basis of Presentation (Details)	Jul. 31, 2017	Jul. 19, 2017	Jun. 30, 2017
Basis of Presentation [Abstract]
Percentage ownership before IPO			100.00%
Subsequent Event [Member]
Basis of Presentation [Abstract]
Percentage ownership after IPO	68.00%	68.00%