Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Assets:
Real estate, net of accumulated depreciation and amortization of $2,886,259 and $2,717,114, respectively		$ 14,778,312	$ 9,346,041
Other investments		130,470	117,140
Cash and cash equivalents		483,471	293,188
Marketable securities		1,249,125	706,954
Accounts and notes receivable, net		235,082	219,248
Operating lease right-of-use assets, net		149,203	102,369
Other assets		380,675	233,192
Total assets	[1]	18,590,521	11,614,498
Liabilities:
Notes payable, net		7,034,047	5,044,208
Mortgages payable, net		482,634	311,272
Dividends payable		5,366	5,366
Operating lease liabilities		125,015	96,619
Other liabilities		772,251	470,995
Total liabilities	[2]	8,419,313	5,928,460
Redeemable noncontrolling interests		15,784	15,784
Commitments and Contingencies
Stockholders' equity:
Preferred stock, $1.00 par value, authorized 7,054,000 shares; Issued and outstanding (in series) 19,580 shares; Aggregate liquidation preference $489,500		20	20
Common stock, $.01 par value, authorized 750,000,000 shares; Issued and outstanding 616,413,920 and 432,518,743 shares, respectively		6,164	4,325
Paid-in capital		9,579,517	5,766,511
Retained earnings		328,609
Cumulative distributions in excess of net income			(162,812)
Total stockholders' equity		9,914,310	5,608,044
Noncontrolling interests		241,114	62,210
Total equity		10,155,424	5,670,254
Total liabilities and equity		18,590,521	11,614,498
Real Estate Under Development [Member]
Assets:
Real estate under development		5,672	5,672
Investments in and Advances to Real Estate Joint Ventures [Member]
Assets:
Investments in and advances to real estate joint ventures		$ 1,178,511	$ 590,694

[1] Includes restricted assets of consolidated variable interest entities ("VIEs") at September 30, 2021 and December 31, 2020 of $230,847 and $102,482, respectively. See Footnote 13 of the Notes to Condensed Consolidated Financial Statements.

[2] Includes non-recourse liabilities of consolidated VIEs at September 30, 2021 and December 31, 2020 of $122,475 and $62,076, respectively. See Footnote 13 of the Notes to Condensed Consolidated Financial Statements.