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

Subsequent Events (Details)	1 Months Ended
Subsequent Events (Details)	Jan. 31, 2017 Loan	Dec. 31, 2016 Property	Nov. 30, 2016 Property
Assets Held-for-sale \| Ski and Mountain Lifestyle Properties
Subsequent Event [Line Items]
Number of properties held for sale \| Property		36	36
Subsequent Event
Subsequent Event [Line Items]
Number of mortgages with extended maturity dates \| Loan	2