CONSOLIODATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities
Net income	$ 63,469	$ 42,139
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	80,571	96,192
Amortization of below market leases, net	(3,283)	(8,620)
Amortization of financing costs	1,551	1,624
Amortization of debt premium, net	(5,874)	(5,908)
Non-cash adjustment for interest rate swaps	(47)	205
Share-based compensation	3,067	3,459
Deferred income tax expense (benefit)	256	(401)
Net gains on sale of real estate	(62,982)	(59,562)
Impairment loss on real estate	0	5,400
(Gain) loss on extinguishment of debt, net	(462)	4,840
Equity in earnings of unconsolidated joint ventures	(519)	(584)
Distributions of income from unconsolidated joint ventures	1,301	1,990
Change in deferred leasing costs	(14,260)	(7,780)
Changes in operating assets and liabilities:
Change in condominium units	0	8,649
Change in receivables and other assets	(16,353)	(10,061)
Change in accounts payable and other liabilities	(7,217)	(16,930)
Net cash provided by operating activities	39,218	54,652
Investing activities
Proceeds from mortgage loan receivable	42	43
Investment in unconsolidated joint ventures, net	540	(2,649)
Distributions of capital from unconsolidated joint ventures	20,034	3,021
Investment in real estate	0	(145,386)
Proceeds from sale of real estate	191,712	198,004
Real estate development	(973)	(20,983)
Improvements to real estate	(48,786)	(20,833)
Net cash provided by investing activities	162,569	11,217
Financing activities
Principal payments on mortgage notes payable	(168,851)	(145,989)
Proceeds from mortgage notes payable	8,107	10,769
Proceeds from bank borrowings	0	454,850
Payments on bank borrowings	0	(336,350)
Debt financing costs	(260)	(2,739)
Dividends paid on common stock	(42,030)	(41,845)
Dividends paid on common units of Operating Partnership	(1,824)	(1,892)
Contributions from noncontrolling interest partners	0	2,125
Distributions to noncontrolling interest partners	(52)	(47,440)
Other	0	(209)
Net cash used in financing activities	(204,910)	(108,720)
Change in cash and cash equivalents	(3,123)	(42,851)
Cash and cash equivalents at beginning of period	74,961	116,241
Cash and cash equivalents at end of period	71,838	73,390
Supplemental cash flow information:
Cash paid for interest	37,874	41,629
Cash paid for income taxes	1,277	940
Supplemental schedule of non-cash investing and financing activity:
Operating Partnership units converted to common stock	91	6,337
Transfer of assets classified as held for sale, net	75	27,248
Transfer of liabilities classified as held for sale, net	10,674	179
Deconsolidation of ownership interest in Courvoisier Centre	$ 27	$ 0