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Fee and Other Income - Schedule of Fee and Other Income from Continuing Operations (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Income Statement [Abstract]        
Management, development and other fee income $ 7,600,000 $ 10,300,000 $ 23,700,000 $ 31,200,000
Ancillary and other property income 6,500,000 7,800,000 18,800,000 20,700,000
Lease termination fees 700,000 1,000,000 4,100,000 6,200,000
Other 200,000 100,000 1,300,000 400,000
Total fee and other income $ 14,992,000 $ 19,194,000 $ 47,928,000 $ 58,519,000