CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOW FROM OPERATING ACTIVITIES
Net (loss) income	$ (36,779)	$ 5,599
Adjustments to reconcile net loss to net cash provided by operating activities:
Equity in loss of unconsolidated joint ventures	8,722	4,740
Distributions from unconsolidated joint ventures	781
Gain on sale of real estate, net	(32,873)	(76,018)
Unrealized loss on interest rate cap		7
Share-based compensation	2,885	3,379
Depreciation and amortization	46,410	84,218
Amortization of deferred financing costs	223	3,590
Amortization of above and below market leases, net	(247)	(414)
Straight-line rent adjustment	(8,964)	(2,832)
Change in operating assets and liabilities
Tenants and other receivables	(1,994)	(3,076)
Prepaid expenses, deferred expenses and other assets	4,931	(2,968)
Accounts payable, accrued expenses and other liabilities	(9,625)	(20)
Net cash (used in) provided by operating activities	(26,530)	16,205
CASH FLOW FROM INVESTING ACTIVITIES
Investment in unconsolidated joint ventures	(19,618)	(6,160)
Distributions from unconsolidated joint ventures	1,484	8,505
Net proceeds from sale of real estate	53,758	134,599
Development of real estate	(182,560)	(142,003)
Net cash used by investing activities	(146,936)	(5,059)
CASH FLOW FROM FINANCING ACTIVITIES
Repayment of mortgage loans payable		(131,414)
Payment of deferred financing costs		(363)
Payment of preferred offering costs		(113)
Purchase of shares related to stock grant recipients' tax withholdings	(3,412)
Preferred dividends paid	(2,450)	(1,661)
Common dividends paid	(17,964)	(17,865)
Non-controlling interests distributions paid	(10,060)	(10,058)
Net cash used in financing activities	(33,886)	(161,474)
Net decrease in cash, cash equivalents, and restricted cash	(207,352)	(150,328)
Cash, cash equivalents, and restricted cash, beginning of period	532,857	417,234
Cash, cash equivalents, and restricted cash, end of period	325,505	266,906
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash payments for interest	56,622	43,296
Capitalized interest	12,960	12,144
Income taxes paid	171	344
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Development of real estate financed with accounts payable	18,964	14,465
Common dividends and OP unit distributions declared and unpaid		14,046
Preferred dividends declared and unpaid	1,225
Decrease in real estate, net resulting from deconsolidated properties
Real estate, net	(14,656)
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	2,183	15,139
Transfer of below market asset to right of use asset	(11,005)
Recording of right of use assets	19,373
Recording of lease liabilities	(8,368)
Property delivered in exchange	(2,075)
Property received in exchange	11,326
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	325,505	100,448
Restricted cash	0	166,458
Cash, cash equivalents, and restricted cash, end of period	$ 325,505	$ 266,906