CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOW FROM OPERATING ACTIVITIES
Net (loss) income	$ (10,894)	$ 16,201
Adjustments to reconcile net loss to net cash provided by operating activities:
Equity in (income) loss of unconsolidated joint ventures	(1,222)	2,582
Distributions from unconsolidated joint ventures	781
Gain on sale of real estate, net	(21,261)	(41,831)
Unrealized (gain) loss on interest rate cap		(165)
Share-based compensation	1,532	869
Depreciation and amortization	26,216	34,667
Amortization of deferred financing costs	118	1,720
Amortization of above and below market leases, net	(104)	(234)
Straight-line rent adjustment	(3,355)	(2,453)
Change in operating assets and liabilities
Tenants and other receivables	484	1,034
Prepaid expenses, deferred expenses and other assets	(248)	(4,229)
Accounts payable, accrued expenses and other liabilities	(8,818)	(502)
Net cash (used in) provided by operating activities	(16,771)	7,659
CASH FLOW FROM INVESTING ACTIVITIES
Investment in unconsolidated joint ventures	(9,140)	(1,616)
Distributions from unconsolidated joint ventures	389	2,110
Net proceeds from sale of real estate	37,569	60,435
Development of real estate	(85,413)	(85,983)
Net cash used in by investing activities	(56,595)	(25,054)
CASH FLOW FROM FINANCING ACTIVITIES
Repayment of mortgage loans payable		(73,034)
Payment of deferred financing costs		(363)
Purchase of shares related to stock grant recipients' tax withholdings	(1,613)
Preferred dividends paid	(1,225)
Common dividends paid	(8,998)	(8,877)
Non-controlling interests distributions paid	(5,030)	(5,055)
Net cash used in financing activities	(16,866)	(87,329)
Net decrease in cash, cash equivalents, and restricted cash	(90,232)	(104,724)
Cash, cash equivalents, and restricted cash, beginning of period	532,857	417,234
Cash, cash equivalents, and restricted cash, end of period	442,625	312,510
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest	28,000	21,105
Capitalized interest	5,666	6,862
Income taxes paid	25	104
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Development of real estate financed with accounts payable	17,438	19,964
Common dividends and OP unit distributions declared and unpaid	14,026	14,046
Preferred dividends declared and unpaid	1,225
Decrease in real estate, net resulting from deconsolidated properties
Real estate, net	(14,656)	(58,190)
Tenants and other receivables, net	(2)
Prepaid expenses, deferred expenses and other assets, net	(84)
Accounts payable, accrued expenses and other liabilities	6
Transfer to real estate assets held for sale	4,416
Transfer of below market asset to Right of Use Asset	(11,005)
Recording of Lease Right of Use Assets	19,373
Recording of Lease Liabilities	(8,368)
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	442,625	135,091
Restricted cash	0	177,419
Cash, cash equivalents, and restricted cash, end of period	$ 442,625	$ 312,510