CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Real estate:
Buildings and improvements	$ 11,829,835	$ 10,877,248
Development costs and construction in progress	603,672	537,643
Land	2,017,284	1,637,506
Accumulated depreciation and amortization	(2,915,680)	(2,842,947)
Net real estate	11,535,111	10,209,450
Net investment in direct financing leases	84,604	713,818
Loans receivable, net	137,619	62,998
Investments in and advances to unconsolidated joint ventures	505,245	540,088
Accounts receivable, net of allowance of $7,887 and $5,127	56,991	48,171
Cash and cash equivalents	124,990	110,790
Restricted cash	30,114	29,056
Intangible assets, net	303,722	305,079
Assets held for sale, net	402,741	108,086
Right-of-use asset, net	172,958
Other assets, net	656,115	591,017
Total assets	14,010,210	12,718,553
LIABILITIES AND EQUITY
Bank line of credit	737,793	80,103
Term loan	248,882	0
Senior unsecured notes	5,253,639	5,258,550
Mortgage debt	275,049	138,470
Other debt	85,069	90,785
Intangible liabilities, net	54,913	54,663
Liabilities of assets held for sale, net	35,063	1,125
Lease liability	156,297
Accounts payable and accrued liabilities	431,493	391,583
Deferred revenue	208,653	190,683
Total liabilities	7,486,851	6,205,962
Commitments and contingencies
Common stock, $1.00 par value: 750,000,000 shares authorized; 494,848,212 and 477,496,499 shares issued and outstanding	494,848	477,496
Additional paid-in capital	8,904,765	8,398,847
Cumulative dividends in excess of earnings	(3,461,256)	(2,927,196)
Accumulated other comprehensive income (loss)	(5,223)	(4,708)
Total stockholders' equity	5,933,134	5,944,439
Joint venture partners	384,277	391,401
Non-managing member unitholders	205,948	176,751
Total noncontrolling interests	590,225	568,152
Total equity	6,523,359	6,512,591
Total liabilities and equity	$ 14,010,210	$ 12,718,553