Non-Cash Transactions - Additional Information (Details) - USD ($)	3 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Nonmonetary Transactions [Abstract]
Amount of non-cash activities	$ 0	$ 0

The amount of revenue and expenses for the services received and provided in a nonmonetary arrangement.

No definition available.

Name:	us-gaap_NonmonetaryTransactionAmountOfBarterTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration