Subsequent Event (Details) - Subsequent Event $ in Millions	Jan. 21, 2016 USD ($)
Cantor Fitzgerald & Co.
Subsequent Event [Line Items]
Commission as a percent of gross proceeds	3.00%
Common Stock \| Cantor Fitzgerald & Co.
Subsequent Event [Line Items]
Aggregate offering price	$ 50.0

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