Subsequent Events - Narrative - Estimated Value per Share (Details)	Mar. 13, 2019 $ / shares
Subsequent Event [Member]
Subsequent Event [Line Items]
Estimated value per share (in dollars per share)	$ 9.40349170419484

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.

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