Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Tenant and other receivables—allowance
Changes in valuation allowance
Balance at Beginning of Year	$ 17,618	$ 18,068	$ 17,325
Additions Charged Against Operations	10,630	8,139	13,533
Uncollectible Accounts Written-off/Recovery	(11,656)	(8,589)	(12,790)
Balance at End of Year	16,592	17,618	18,068
Deferred rent receivable—allowance
Changes in valuation allowance
Balance at Beginning of Year	21,730	27,411	30,333
Additions Charged Against Operations	13,620	2,789	4,140
Uncollectible Accounts Written-off/Recovery	(10,147)	(8,470)	(7,062)
Balance at End of Year	$ 25,203	$ 21,730	$ 27,411