Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Real estate assets:
Operating properties, net of accumulated depreciation of $500,509 and $421,495 in 2019 and 2018, respectively	$ 5,594,814	$ 3,603,011
Projects under development	287,619	24,217
Land	110,212	72,563
Total real estate assets	5,992,645	3,699,791
Real estate assets and other assets held for sale, net of accumulated depreciation and amortization of $0 in 2019	29,193	0
Cash and cash equivalents	11,885	2,547
Restricted cash	2,182	148
Notes and accounts receivable	24,139	13,821
Deferred rents receivable	96,659	83,116
Investment in unconsolidated joint ventures	176,169	161,907
Intangible assets, net	283,139	145,883
Other assets	60,661	39,083
Total assets	6,676,672	4,146,296
Liabilities:
Notes payable	1,837,449	1,062,570
Accounts payable and accrued expenses	188,337	110,159
Deferred income	56,477	41,266
Intangible liabilities, net of accumulated amortization of $49,034 and $42,473 in 2019 and 2018, respectively	101,735	56,941
Other liabilities	123,056	54,204
Total liabilities	2,307,054	1,325,140
Commitments and contingencies
Stockholders' investment:
Preferred stock, $1 par value, 20,000,000 shares authorized, 1,716,837 shares issued and outstanding in 2019 and 2018	1,717	1,717
Common stock, $1 par value, 300,000,000 and 175,000,000 shares authorized in 2019 and 2018, respectively, and 149,347,960 and 107,681,130 shares issued in 2019 and 2018, respectively	149,348	107,681
Additional paid-in capital	5,492,648	3,934,385
Treasury stock at cost, 2,584,933 shares in 2019 and 2018	(148,473)	(148,473)
Distributions in excess of cumulative net income	(1,189,567)	(1,129,445)
Total stockholders' investment	4,305,673	2,765,865
Nonredeemable noncontrolling interests	63,945	55,291
Total equity	4,369,618	2,821,156
Total liabilities and equity	$ 6,676,672	$ 4,146,296