CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 452,974	$ 224,709
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	13,531	21,740
Net amortization of debt discounts, premiums and deferred financing fees	319	1,446
Straight line rental income	(848)	(2,550)
Amortization of acquired real estate leases	105	1,562
Other amortization	2,375	3,505
Amortization of right-of-use asset	364
Share-based compensation	7,648	10,480
Loss on asset impairment	0	12,087
Loss on marketable securities	0	4,987
Loss on early extinguishment of debt	6,374	6,403
Net gain on sale of properties	(420,203)	(232,148)
Change in assets and liabilities:
Rents receivable and other assets	(8,036)	(16,856)
Accounts payable, accrued expenses and other	(11,179)	(8,514)
Rent collected in advance	(2,183)	(2,971)
Cash provided by operating activities	41,241	23,880
CASH FLOWS FROM INVESTING ACTIVITIES:
Real estate improvements	(18,073)	(32,203)
Insurance proceeds received	0	1,443
Proceeds from sale of properties, net	771,787	807,322
Proceeds from maturity of marketable securities	250,000	0
Proceeds from sale of marketable securities	0	23,933
Cash provided by investing activities	1,003,714	800,495
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase and retirement of common shares	(5,487)	(89,910)
Payments on borrowings	(255,557)	(575,526)
Contributions from holders of noncontrolling interest	0	1
Distributions to common shareholders	(1,160)	0
Distributions to preferred shareholders	(3,994)	(3,994)
Cash used in financing activities	(266,198)	(669,429)
Increase in cash, cash equivalents, and restricted cash	778,757	154,946
Cash, cash equivalents, and restricted cash at beginning of period	2,404,101	2,360,590
Cash, cash equivalents, and restricted cash at end of period	3,182,858	2,515,536
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	12,291	17,704
Taxes paid, net	2,873	2,417
NON-CASH INVESTING ACTIVITIES:
Recognition of right-of-use asset and lease liability	1,503
Accrued capital expenditures	3,992	4,539
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows	$ 2,404,101	$ 2,360,590