CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flow from operating activities:
Net (loss) income	$ (54,028)	$ 45,873
Adjustments to reconcile net (loss) income to net cash flow provided by operating activities:
Depreciation and amortization	90,884	96,902
Stock-based compensation	5,243	1,633
Amortization and write-off of deferred finance charges and fair market value of debt adjustments	906	661
Equity in net loss (income) of joint ventures	1,665	(14,421)
Reserve of preferred equity interests	76,000	0
Operating cash distributions from joint ventures	1,806	1,724
Gain on disposition of real estate	(38,127)	(12,381)
Impairment charges	21,973	0
Change in notes receivable accrued interest	(2,479)	(3,437)
Net change in accounts receivable	2,694	2,659
Net change in accounts payable and accrued expenses	(8,521)	(24,877)
Net change in other operating assets and liabilities	(6,109)	(12,538)
Total adjustments	145,935	35,925
Net cash flow provided by operating activities	91,907	81,798
Cash flow from investing activities:
Real estate acquired, net of liabilities and cash assumed	(86,028)	(59,886)
Real estate developed and improvements to operating real estate	(28,138)	(46,946)
Proceeds from disposition of real estate	113,170	186,736
Equity contributions to joint ventures	(21,506)	0
Distributions from unconsolidated joint ventures	2,900	17,056
Repayment of notes receivable	167	126
Net cash flow (used for) provided by investing activities	(19,435)	97,086
Cash flow from financing activities:
Proceeds from revolving credit facilities, net	90,000	140,000
Repayment of senior notes	0	(240,000)
Repayment of term loans and mortgage debt	(63,302)	(7,979)
Payment of debt issuance costs	(132)	0
Issuance (repurchase) of common shares in conjunction with equity award plans and dividend reinvestment plan	3,500	(232)
Distributions to non-controlling interests and redeemable operating partnership units	(209)	(321)
Dividends paid	(75,253)	(68,639)
Net cash flow used for financing activities	(45,396)	(177,171)
Effect of foreign exchange rate changes on cash and cash equivalents	1	2
Net increase in cash, cash equivalents and restricted cash	27,076	1,713
Cash, cash equivalents and restricted cash, beginning of period	39,225	32,520
Cash, cash equivalents and restricted cash, end of period	$ 66,302	$ 34,235