Supplemental Detail for Certain Components of Consolidated Balance Sheets - Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other assets, net
Restricted escrow deposits	$ 25,327	$ 4,246
Prepaid expenses	16,910	14,406
Insurance proceeds receivable	10,641	300
Notes receivable issued in connection with property sales	5,360	5,390
Corporate assets, net	4,864	3,585
Impounds related to mortgages payable	2,074	2,015
Other items	118	444
Total other assets	71,857	37,689
Credit Facility
Other assets, net
Credit facility origination costs, net	$ 6,563	$ 7,303