CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023		Dec. 31, 2022
Real estate properties:
Land	$ 666,797		$ 668,918
Buildings and improvements	6,056,766		6,023,625
Total real estate properties, gross	6,723,563		6,692,543
Accumulated depreciation	(1,878,997)		(1,828,352)
Total real estate properties, net	4,844,566		4,864,191
Investments in unconsolidated joint ventures	153,419		155,477
Assets of properties held for sale	0		385
Cash and cash equivalents	380,117		658,065
Restricted cash	2,552	[1]	30,237
Acquired real estate leases and other intangible assets, net	42,045		45,351
Other assets, net	244,031		248,387
Total assets	5,666,730		6,002,093
Liabilities and Shareholders' Equity
Credit facility	450,000		700,000
Senior unsecured notes, net	2,318,907		2,317,700
Secured debt and finance leases, net	29,574		30,177
Accrued interest	31,957		29,417
Other liabilities	252,473		286,188
Total liabilities	3,082,911		3,363,482
Commitments and contingencies
Shareholders' equity:
Common shares of beneficial interest, $.01 par value: 300,000,000 shares authorized, 239,682,467 and 239,694,842 shares issued and outstanding, respectively	2,397		2,397
Additional paid in capital	4,617,294		4,617,031
Cumulative net income	2,019,192		2,071,850
Cumulative distributions	(4,055,064)		(4,052,667)
Total shareholders' equity	2,583,819		2,638,611
Total liabilities and shareholders' equity	$ 5,666,730		$ 6,002,093

[1] As of March 31, 2022, restricted cash consisted of proceeds from the sale of joint venture interests and proceeds from the sale of properties to joint ventures held as collateral pursuant to the agreement governing our credit facility, or our credit agreement. Subsequently, these funds were used to pay for approved expenditures in accordance with our credit agreement. Restricted cash also consists of amounts escrowed for real estate taxes, insurance and capital expenditures at certain of our mortgaged properties.