Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, buildings and equipment:
Land and buildings and improvements, gross value	$ 6,210,913	$ 6,148,812
Accumulated depreciation	(1,504,758)	(1,382,298)
Property, buildings and equipment – net	4,706,155	4,766,514
Operating lease right-of-use assets	352,880	291,797
Accumulated depreciation – operating leases	(40,202)	(24,483)
Operating leases – net	312,678	267,314
Financing leases:
Financing leases - gross	173,169	169,929
Accumulated depreciation – financing leases	(53,785)	(40,937)
Financing leases – net	119,384	128,992
Cash, cash equivalents and restricted cash	316,077	621,051
Accounts receivable – net of allowance of $15,197 and $12,286 at June 30, 2021 and December 31, 2020, respectively	325,440	324,221
Identifiable intangible assets – net	875,038	797,423
Goodwill	1,018,288	794,335
Investments in partially owned entities	42,742	44,907
Other assets	107,518	86,394
Total assets	7,823,320	7,831,151
Liabilities:
Borrowings under revolving line of credit	139,105	0
Accounts payable and accrued expenses	563,566	552,547
Mortgage notes, senior unsecured notes and term loans – net of unamortized deferred financing costs of $11,994 and $15,952, in the aggregate, at June 30, 2021 and December 31, 2020, respectively	2,427,164	2,648,266
Sale-leaseback financing obligations	184,515	185,060
Financing lease obligations	111,703	125,926
Operating lease obligations	285,715	269,147
Unearned revenue	20,344	19,209
Pension and postretirement benefits	7,880	9,145
Deferred tax liability – net	208,799	220,502
Multi-employer pension plan withdrawal liability	8,354	8,528
Total liabilities	3,957,145	4,038,330
Commitments and Contingencies
Shareholders’ equity:
Common shares of beneficial interest, $0.01 par value – 500,000,000 and 325,000,000 authorized shares; 261,015,053 and 251,702,603 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively	2,610	2,517
Paid-in capital	4,900,398	4,687,823
Accumulated deficit and distributions in excess of net earnings	(1,036,987)	(895,521)
Accumulated other comprehensive loss	(4,628)	(4,379)
Total shareholders’ equity	3,861,393	3,790,440
Noncontrolling interests:
Noncontrolling interests in operating partnership and consolidated joint venture	4,782	2,381
Total equity	3,866,175	3,792,821
Total liabilities and equity	7,823,320	7,831,151
Land
Property, buildings and equipment:
Land and buildings and improvements, gross value	705,862	662,885
Buildings and improvements
Property, buildings and equipment:
Land and buildings and improvements, gross value	3,847,631	4,004,824
Financing leases:
Financing leases - gross	24,761	60,513
Machinery and equipment
Property, buildings and equipment:
Land and buildings and improvements, gross value	1,274,690	1,177,572
Financing leases:
Financing leases - gross	148,408	109,416
Assets under construction
Property, buildings and equipment:
Land and buildings and improvements, gross value	$ 382,730	$ 303,531