CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019		Dec. 31, 2018
Real estate properties:
Land	$ 842,043		$ 844,567
Buildings and improvements	7,097,545		7,031,733
Total real estate properties, gross	7,939,588		7,876,300
Accumulated depreciation	(1,615,280)		(1,534,392)
Total real estate properties, net	6,324,308		6,341,908
Cash and cash equivalents	48,033		54,976
Restricted cash	13,133	[1]	15,095
Acquired real estate leases and other intangible assets, net	383,688		419,244
Other assets, net	329,548		329,203
Total assets	7,098,710		7,160,426
LIABILITIES AND EQUITY
Unsecured revolving credit facility	690,000		139,000
Unsecured term loans, net	548,699		548,286
Senior unsecured notes, net	1,818,923		2,216,945
Secured debt and capital leases, net	699,640		744,186
Accrued interest	25,417		26,182
Assumed real estate lease obligations, net	81,534		86,304
Other liabilities	197,788		219,653
Total liabilities	4,062,001		3,980,556
Commitments and contingencies
Equity attributable to common shareholders:
Common shares of beneficial interest, $.01 par value: 300,000,000 shares authorized, 237,740,761 and 237,729,900 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively	2,377		2,377
Additional paid in capital	4,611,993		4,611,419
Cumulative net income	2,133,649		2,140,796
Cumulative other comprehensive loss	(129)		(266)
Cumulative distributions	(3,859,587)		(3,731,214)
Total equity attributable to common shareholders	2,888,303		3,023,112
Noncontrolling interest:
Total equity attributable to noncontrolling interest	148,406		156,758
Total equity	3,036,709		3,179,870
Total liabilities and equity	$ 7,098,710		$ 7,160,426

[1] Restricted cash consists of amounts escrowed for real estate taxes, insurance and capital expenditures at certain of our mortgaged properties, security deposits for residents of our managed senior living communities and cash held for the operations of our joint venture MOB. Restricted cash as of June 30, 2018 also includes proceeds from our sale of a senior living community in May 2018 that were being held in trust for our benefit to fund future acquisitions by us.