Organization (Details)	Dec. 31, 2015 property
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of real estate properties	22

The number of real estate properties owned as of the balance sheet date.

No definition available.

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant