Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Assets:
Land		$ 2,781,888	$ 2,788,155
Building and improvements		9,281,267	8,920,951
Real estate		12,063,155	11,709,106
Less: accumulated depreciation and amortization	[1]	(2,717,114)	(2,500,053)
Total real estate, net		9,346,041	9,209,053
Investments in and advances to real estate joint ventures		590,700	578,100
Cash and cash equivalents		293,188	123,947
Marketable securities		706,954	9,353
Accounts and notes receivable, net		219,248	218,689
Deferred charges and prepaid expenses		135,967	150,330
Operating lease right-of-use assets, net		102,369	99,125
Other assets		97,225	194,682
Total assets	[2]	11,614,498	10,997,867
Liabilities:
Notes payable, net		5,044,208	4,831,759
Mortgages and construction loan payable, net		311,272	484,008
Accounts payable and accrued expenses		146,457	170,082
Dividends payable		5,366	126,274
Operating lease liabilities		96,619	92,711
Other liabilities		324,538	346,183
Total liabilities	[3]	5,928,460	6,051,017
Redeemable noncontrolling interests		15,784	17,943
Commitments and contingencies (Footnote 20)
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 432,518,743, and 431,814,951 shares, respectively		4,325	4,318
Paid-in capital		5,766,511	5,765,233
Cumulative distributions in excess of net income		(162,812)	(904,679)
Total stockholders' equity		5,608,044	4,864,892
Noncontrolling interests		62,210	64,015
Total equity		5,670,254	4,928,907
Total liabilities and equity		11,614,498	10,997,867
Real Estate Under Development [Member]
Assets:
Real estate under development		5,672	220,170
Investments in and Advances to Real Estate Joint Ventures [Member]
Assets:
Investments in and advances to real estate joint ventures		590,694	578,118
Other Real Estate Investments [Member]
Assets:
Other real estate investments		$ 117,140	$ 194,400

[1] At December 31, 2020 and 2019, the Company had accumulated amortization relating to in-place leases and above-market leases aggregating $499,022 and $485,040, respectively.

[2] Includes restricted assets of consolidated variable interest entities ("VIEs") at December 31, 2020 and December 31, 2019 of $102,482 and $245,489, respectively. See Footnote 10 of the Notes to Consolidated Financial Statements.

[3] Includes non-recourse liabilities of consolidated VIEs at December 31, 2020 and December 31, 2019 of $62,076 and $153,436, respectively. See Footnote 10 of the Notes to Consolidated Financial Statements.