CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Real estate:
Land and improvements	$ 4,394,298	$ 4,299,162
Buildings and improvements	17,231,275	16,668,496
Furniture, fixtures and equipment	924,583	829,242
Total capitalized cost	22,550,156	21,796,900
Less accumulated depreciation	(5,700,179)	(5,164,398)
Operating Real Estate Investment Property, Net	16,849,977	16,632,502
Construction in progress, including land	989,765	1,303,751
Land held for development	110,142	0
Inventory, Real Estate	267,219	457,809
Gross real estate assets held for sale	16,678	38,927
Net operating real estate	18,233,781	18,432,989
Cash and cash equivalents	216,976	39,687
Cash in escrow	96,556	87,927
Resident security deposits	30,811	34,224
Investments in unconsolidated real estate entities	202,612	165,806
Deferred development costs	55,427	70,486
Right of use lease assets	207,715	164,971
Lease, Right-Of-Use Asset	155,266	124,961
Total assets	19,199,144	19,121,051
LIABILITIES AND EQUITY
Unsecured notes, net	6,702,005	6,358,648
Variable rate unsecured credit facility	0	0
Mortgage notes payable, net	862,332	937,642
Dividends payable	224,897	215,414
Payables for construction	93,609	92,135
Accrued expenses and other liabilities	274,699	274,013
Lease, Liability	181,479	140,468
Accrued interest payable	49,033	47,154
Resident security deposits	55,928	61,752
Liabilities related to real estate assets held for sale	311	375
Total liabilities	8,444,293	8,127,601
Commitments and contingencies
Redeemable noncontrolling interests	$ 2,677	$ 3,252
Preferred Stock, Shares Outstanding	0	0
Equity:
Preferred Stock, Value, Issued	$ 0	$ 0
Common Stock, Value, Issued	1,395	1,406
Additional paid-in capital	10,664,416	10,736,733
Accumulated earnings less dividends	126,022	282,913
Accumulated other comprehensive loss	(40,250)	(31,503)
Stockholders' Equity Attributable to Parent	10,751,583	10,989,549
Stockholders' Equity Attributable to Noncontrolling Interest	591	649
Total equity	10,752,174	10,990,198
Total liabilities and equity	$ 19,199,144	$ 19,121,051
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Liquidation Preference Per Share	$ 25	$ 25
Preferred Stock, Shares Authorized	50,000,000	50,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, Shares, Outstanding	139,526,671	140,643,962
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	280,000,000	280,000,000