CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Real estate:
Buildings and improvements	$ 12,025,271	$ 11,048,433
Development costs and construction in progress	877,423	613,182
Land	2,603,964	1,867,278
Accumulated depreciation and amortization	(2,839,229)	(2,409,135)
Net real estate	12,667,429	11,119,758
Net investment in direct financing leases	44,706	44,706
Loans receivable, net of reserves of $1,813 and $10,280	415,811	195,375
Investments in and advances to unconsolidated joint ventures	403,634	402,871
Accounts receivable, net of allowance of $1,870 and $3,994	48,691	42,269
Cash and cash equivalents	158,287	44,226
Restricted cash	53,454	67,206
Intangible assets, net	519,760	519,917
Assets held for sale and discontinued operations, net	37,190	2,626,306
Right-of-use asset, net	233,942	192,349
Other assets, net	674,615	665,106
Total assets	15,257,519	15,920,089
LIABILITIES AND EQUITY
Bank line of credit and commercial paper	1,165,975	129,590
Term loan	0	249,182
Senior unsecured notes	4,651,933	5,697,586
Mortgage debt	352,081	221,621
Intangible liabilities, net	177,232	144,199
Liabilities related to assets held for sale and discontinued operations, net	15,056	415,737
Lease liability	204,547	179,895
Accounts payable, accrued liabilities, and other liabilities	755,384	760,617
Deferred revenue	789,207	774,316
Total liabilities	8,111,415	8,572,743
Commitments and contingencies (Note 12)
Redeemable noncontrolling interests	87,344	57,396
Common stock, $1.00 par value: 750,000,000 shares authorized; 539,096,879 and 538,405,393 shares issued and outstanding	539,097	538,405
Additional paid-in capital	10,100,294	10,175,235
Cumulative dividends in excess of earnings	(4,120,774)	(3,976,232)
Accumulated other comprehensive income (loss)	(3,147)	(3,685)
Total stockholders’ equity	6,515,470	6,733,723
Joint venture partners	342,234	357,069
Non-managing member unitholders	201,056	199,158
Total noncontrolling interests	543,290	556,227
Total equity	7,058,760	7,289,950
Total liabilities and equity	$ 15,257,519	$ 15,920,089