CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 23,822	$ 46,402
Adjustments to reconcile net income to cash (used in) provided by operating activities:
Depreciation	21,893	28,582
Net amortization of debt discounts, premiums and deferred financing fees	713	983
Straight line rental income	(4,387)	(3,831)
Amortization of acquired real estate leases	2,540	4,629
Other amortization	3,055	4,161
Share-based compensation	5,226	4,353
Loss on asset impairment	1,286	0
Loss on early extinguishment of debt	0	118
Foreign currency exchange loss	0	5
Net gain on sale of properties	(16,454)	(36,666)
Change in assets and liabilities:
Restricted cash	1,311	(458)
Rents receivable and other assets	(18,239)	(15,486)
Accounts payable and accrued expenses	(24,053)	(6,361)
Rent collected in advance	416	(3,255)
Security deposits	181	(192)
Cash (used in) provided by operating activities	(2,690)	22,984
CASH FLOWS FROM INVESTING ACTIVITIES:
Real estate improvements	(19,889)	(25,963)
Insurance proceeds received	2,000	0
Proceeds from sale of properties, net	94,138	118,391
Purchase of marketable securities	(276,238)	0
Increase in restricted cash	(934)	(3,487)
Cash (used in) provided by investing activities	(200,923)	88,941
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase and retirement of common shares	(209)	(25,563)
Payments on borrowings	(348)	(139,922)
Deferred financing fees	0	(52)
Contributions from holders of noncontrolling interest	30	0
Distributions to preferred shareholders	(1,997)	(6,981)
Cash used in financing activities	(2,524)	(172,518)
Effect of exchange rate changes on cash	0	(8)
Decrease in cash and cash equivalents	(206,137)	(60,601)
Cash and cash equivalents at beginning of period	2,094,674	1,802,729
Cash and cash equivalents at end of period	1,888,537	1,742,128
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	22,285	28,542
Taxes paid (refunded)	335	(72)
NON-CASH INVESTING ACTIVITIES:
Increase (decrease) in capital expenditures recorded as liabilities	$ 4,266	$ (6,312)