Annual report pursuant to Section 13 and 15(d)

Real Estate and Intangible Assets - Schedule of Revenue and Earnings Recognized on Properties Acquired (Parenthetical) (Detail)

v3.3.1.900
Real Estate and Intangible Assets - Schedule of Revenue and Earnings Recognized on Properties Acquired (Parenthetical) (Detail) - Monroe, MI [Member]
12 Months Ended
Dec. 23, 2014
Lease
Dec. 31, 2014
Property
Lease
Business Acquisition [Line Items]    
Number of properties acquired | Property   2
Number of leases acquired | Lease 2 2