CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ 17,276	$ (29,145)	$ (50,435)
Adjustments to reconcile net loss to net cash provided by operating activities:
Equity in loss of unconsolidated joint ventures	3,686	7,006	4,226
Gain on sale of real estate		(93,419)	(13,018)
Gain on sale of interest in unconsolidated joint venture	(43,729)		(43,729)
Loss on interest rate cap	91	23	686
Stock-based compensation		5,589	1,167
Depreciation and amortization	61,059	134,048	170,293
Amortization of deferred financing costs		10,221	6,390
Amortization of above and below market leases, net		(590)	(581)
Straight-line rent adjustment		(1,750)	(2,364)
Change in operating assets and liabilities
Tenants and other receivables		(2,262)	(3,444)
Prepaid expenses, deferred expenses and other assets		(14,092)	(7,300)
Accounts payable, accrued expenses and other liabilities		(1,333)	(15,657)
Net cash provided by operating activities		14,296	46,234
CASH FLOW FROM INVESTING ACTIVITIES
Investment in unconsolidated joint ventures		(19,522)	(36,038)
Distributions from unconsolidated joint ventures		11,889	10,714
Net proceeds from disposition of interest in unconsolidated joint ventures			189,391
Net proceeds from sale of real estate		170,692	50,887
Development of real estate		(210,335)	(164,070)
Net cash (used in) provided by investing activities		(47,276)	50,884
CASH FLOW FROM FINANCING ACTIVITIES
Repayment of mortgage loans payable		(1,210,561)	(50,634)
Repayment of Unsecured Term Loan		(145,000)
Proceeds from Term Loan Facility		1,600,000
Proceeds from Future Funding Facility			79,998
Proceeds from Unsecured Term Loan			85,000
Payment of deferred financing costs		(2,205)	(2,686)
Offering related costs		(113)
Preferred dividends paid		(2,886)
Common dividends paid		(26,780)	(25,379)
Non-controlling interests distributions paid		(15,088)	(16,393)
Net cash provided by financing activities		197,367	69,906
Net increase in cash, cash equivalents, and restricted cash		164,387	167,024
Cash, cash equivalents, and restricted cash, beginning of period		417,234	139,642
Cash, cash equivalents, and restricted cash, end of period	306,666	581,621	306,666
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest		74,475	54,026
Capitalized interest		17,336	7,785
Income taxes paid		437	266
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Development of real estate financed with accounts payable		25,604	17,223
Common dividends and OP unit distributions declared and unpaid		14,031	13,969
Preferred dividends declared and unpaid		1,225
Decrease in real estate, net resulting from deconsolidated properties		(156,568)	(64,998)
Transfer to real estate assets held for sale		15,144
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	104,153	581,621	104,153
Restricted cash	202,513	0	202,513
Cash, cash equivalents, and restricted cash, end of period	$ 306,666	$ 581,621	$ 306,666