Subsequent Events - Additional Information (Detail) - ft²	Feb. 17, 2016	Oct. 21, 2015
Subsequent Event [Line Items]
Lease term		20 years
Subsequent Event [Member]
Subsequent Event [Line Items]
Acquisition of lease property	71,100
Lease term	15 years

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