CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net loss	$ (3,484,280)	$ (1,080,643)
Adjustments to reconcile net loss to net cash provided by operating activities:
Amortization of discount and net origination fees on loans receivable and debt securities	(5,090)	(15,215)
Paid-in-kind interest added to loan principal, net of interest received	(36,856)	(42,609)
Straight-line rents	(13,916)	(13,263)
Amortization of above- and below-market lease values, net	(5,503)	(9,982)
Amortization of deferred financing costs and debt discount and premium	31,061	61,779
Equity method losses	334,648	137,069
Distributions of income from equity method investments	92,445	78,219
Provision for loan losses	0	35,847
Allowance for doubtful accounts	8,655	4,221
Impairment of real estate and related intangibles and right-of-use assets	1,946,786	288,216
Goodwill impairment	594,000	387,000
Depreciation and amortization	439,463	476,886
Equity-based compensation	26,415	25,051
Unrealized settlement loss	3,890	0
Gain on sales of real estate, net	(15,261)	(71,824)
Payment of cash collateral on derivative	(771)	(223,886)
Deferred income tax expense	(10,602)	(1,778)
Other loss, net	195,805	181,847
Decrease (increase) in other assets and due from affiliates	10,344	(16,487)
(Increase) decrease in accrued and other liabilities and due to affiliates	(16,764)	39,038
Other adjustments, net	(4,583)	(4,896)
Net cash provided by operating activities	89,886	234,590
Cash Flows from Investing Activities
Contributions to and acquisition of equity investments	(289,091)	(222,157)
Return of capital from equity method investments	123,952	176,508
Acquisition of loans receivable and debt securities	0	(771)
Net disbursements on originated loans	(180,756)	(94,816)
Repayments of loans receivable	131,368	228,480
Proceeds from sales of loans receivable and debt securities	0	66,249
Cash receipts in excess of accretion on purchased credit-impaired loans	0	18,886
Acquisition of and additions to real estate, related intangibles and leasing commissions	(1,278,957)	(1,798,039)
Proceeds from sales of real estate	258,440	659,245
Proceeds from paydown and maturity of debt securities	4,479	9,180
Proceeds from sale of equity investments	254,921	152,658
Investment deposits	(8,150)	(13,210)
Net receipts on settlement of derivatives	27,097	43,938
Acquisition of DBH, net of cash acquired, and payment of deferred purchase price (Note 3)	(32,500)	(181,167)
Other investing activities, net	7,274	17,349
Net cash used in investing activities	(981,923)	(937,667)
Cash Flows from Financing Activities
Dividends paid to preferred stockholders	(60,817)	(81,411)
Dividends paid to common stockholders	(106,510)	(160,490)
Repurchase of common stock	(24,749)	(10,734)
Payments of Stock Issuance Costs	(2,962)	0
Proceeds from issuance of exchangeable senior notes	291,000	0
Repurchase of convertible senior notes	(370,998)	0
Borrowings from corporate credit facility	600,000	740,200
Repayment of borrowings from corporate credit facility	(600,000)	(556,000)
Borrowings from secured debt	33,407	3,269,413
Repayments of secured debt	(323,150)	(2,647,109)
Payment of deferred financing costs	(8,530)	(56,542)
Contributions from noncontrolling interests	1,353,866	557,065
Distributions to and redemptions of noncontrolling interests	(261,314)	(443,614)
Contribution from Wafra	253,575	0
Redemption of preferred stock	(402,855)	0
Shares canceled for tax withholdings on vested stock awards	(6,738)	(3,401)
Other financing activities, net	0	(1,504)
Net cash (used in) provided by financing activities	363,225	605,873
Effect of exchange rates on cash, cash equivalents and restricted cash	3,500	(6,449)
Net decrease in cash, cash equivalents and restricted cash	(525,312)	(103,653)
Cash, cash equivalents and restricted cash, beginning of period	1,424,698	832,730
Cash, cash equivalents and restricted cash, end of period	899,386	729,077
Reconciliation of cash, cash equivalents, and restricted cash to consolidated balance sheets
Cash, cash equivalents and restricted cash	$ 899,386	$ 729,077