CONSOLIODATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities
Net income	$ 64,541	$ 7,614
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41,940	49,136
Amortization of below market leases, net	(2,229)	(4,359)
Amortization of financing costs	768	705
Amortization of debt premium, net	(3,416)	(3,025)
Non-cash adjustment for interest rate swaps	(16)	248
Share-based compensation	1,358	1,453
Deferred income taxes	149	194
Net gains on sale of real estate	(63,020)	(14,316)
Impairment loss on real estate	0	1,000
Gain on extinguishment of debt	0	(79)
Equity in earnings of unconsolidated joint ventures	(249)	(162)
Distributions of income from unconsolidated joint ventures	640	1,042
Change in deferred leasing costs	(9,525)	(4,348)
Changes in operating assets and liabilities:
Change in receivables and other assets	(6,035)	(3,546)
Change in accounts payable and other liabilities	(18,456)	(22,295)
Net cash provided by operating activities	6,450	9,262
Investing activities
Proceeds from mortgage loan receivable	21	22
Investment in unconsolidated joint ventures, net	489	(598)
Distributions of capital from unconsolidated joint ventures	19,972	63
Investment in real estate	0	(142,386)
Proceeds from sale of real estate	191,741	36,469
Real estate development	(730)	(10,707)
Improvements to real estate	(21,275)	(10,983)
Net cash provided by (used in) investing activities	190,218	(128,120)
Financing activities
Principal payments on mortgage notes payable	(3,653)	(17,344)
Proceeds from mortgage notes payable	5,764	2,069
Proceeds from bank borrowings	0	153,702
Payments on bank borrowings	0	(42,202)
Debt financing costs	(227)	(1,050)
Dividends paid on common stock	(21,080)	(20,928)
Dividends paid on common units of Operating Partnership	(909)	(977)
Contributions from noncontrolling interest partners	0	2,125
Distributions to noncontrolling interest partners	(25)	(5,894)
Other	0	(209)
Net cash (used in) provided by financing activities	(20,130)	69,292
Change in cash and cash equivalents	176,538	(49,566)
Cash and cash equivalents at beginning of period	74,961	116,241
Cash and cash equivalents at end of period	251,499	66,675
Supplemental cash flow information:
Cash paid for interest	19,719	21,871
Cash paid for income taxes	157	271
Supplemental schedule of non-cash investing and financing activity:
Operating Partnership units converted to common stock	0	6,337
Transfer of assets classified as held for sale, net	21,373	49,578
Transfer of liabilities classified as held for sale, net	1,003	24,340
Deconsolidation of ownership interest in Courvoisier Centre	$ 27	$ 0