CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Real estate:
Land and improvements	$ 4,510,361	$ 4,394,298
Buildings and improvements	17,839,750	17,231,275
Furniture, fixtures and equipment	1,000,756	924,583
Gross operating real estate	23,350,867	22,550,156
Less accumulated depreciation	(6,056,727)	(5,700,179)
Net operating real estate	17,294,140	16,849,977
Construction in Progress, Gross	787,561	989,765
Land held for development	66,769	110,142
For-sale condominium inventory	171,113	267,219
Real estate assets held for sale, net	46,438	16,678
Total real estate, net	18,366,021	18,233,781
Cash and cash equivalents	322,294	216,976
Cash in escrow	113,556	96,556
Resident security deposits	33,440	30,811
Investments in unconsolidated real estate entities	199,541	202,612
Deferred development costs	55,451	55,427
Prepaid expenses and other assets	236,348	207,715
Right of use lease assets	152,316	155,266
Total assets	19,478,967	19,199,144
LIABILITIES AND EQUITY
Unsecured notes, net	6,951,637	6,702,005
Variable rate unsecured credit facility	0	0
Mortgage notes payable, net	827,667	862,332
Dividends payable	224,760	224,897
Payables for construction	57,970	93,609
Accrued expenses and other liabilities	328,082	274,699
Lease liabilities	174,922	181,479
Accrued interest payable	62,176	49,033
Resident security deposits	59,189	55,928
Liabilities related to real estate assets held for sale	1,198	311
Total liabilities	8,687,601	8,444,293
Commitments and contingencies
Redeemable noncontrolling interests	3,136	2,677
Equity:
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	1,396	1,395
Additional paid-in capital	10,684,639	10,664,416
Accumulated earnings less dividends	128,549	126,022
Accumulated other comprehensive loss	(26,924)	(40,250)
Total stockholders' equity	10,787,660	10,751,583
Noncontrolling interests	570	591
Total equity	10,788,230	10,752,174
Total liabilities and equity	$ 19,478,967	$ 19,199,144