Discontinued Operations - Additional Information (Details)	Nov. 12, 2018
Discontinued Operations and Disposal Groups [Abstract]
Percentage of ownership transferred	80.10%
Percentage of ownership after transaction	19.90%

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

No definition available.

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