Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property, buildings and equipment:
Property, plant, and equipment - gross	$ 4,314,069	$ 4,149,214
Accumulated depreciation and depletion	(1,251,666)	(1,216,553)
Property, buildings and equipment – net	3,062,403	2,932,661
Operating lease right-of-use assets	73,231	77,723
Accumulated depreciation – operating leases	(20,805)	(18,110)
Operating leases – net	52,426	59,613
Financing leases:
Financing leases - gross	95,729	88,038
Accumulated depreciation – financing leases	(32,809)	(29,697)
Financing leases – net	62,920	58,341
Cash and cash equivalents	262,955	234,303
Restricted cash	6,222	6,310
Accounts receivable – net of allowance of $7,426 and $6,927 at March 31, 2020 and December 31, 2019, respectively	216,819	214,842
Identifiable intangible assets – net	355,613	284,758
Goodwill	378,152	318,483
Investments in partially owned entities	23,041	0
Other assets	82,841	61,372
Total assets	4,503,392	4,170,683
Liabilities:
Borrowings under revolving line of credit	0	0
Accounts payable and accrued expenses	341,113	350,963
Mortgage notes, senior unsecured notes and term loans – net of unamortized deferred financing costs of $14,976 and $12,996, in the aggregate, at March 31, 2020 and December 31, 2019, respectively	1,818,869	1,695,447
Sale-leaseback financing obligations	114,893	115,759
Financing lease obligations	62,289	58,170
Operating lease obligations	55,097	62,342
Unearned revenue	17,118	16,423
Pension and postretirement benefits	11,877	12,706
Deferred tax liability – net	52,776	17,119
Multi-employer pension plan withdrawal liability	8,684	8,736
Total liabilities	2,482,716	2,337,665
Shareholders’ equity:
Common shares of beneficial interest, $0.01 par value – authorized 325,000,000 and 250,000,000 shares; 200,265,965 and 191,799,909 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	2,003	1,918
Paid-in capital	2,818,389	2,582,087
Accumulated deficit and distributions in excess of net earnings	(756,418)	(736,861)
Accumulated other comprehensive loss	(43,298)	(14,126)
Total shareholders’ equity	2,020,676	1,833,018
Total liabilities and shareholders’ equity	4,503,392	4,170,683
Land
Property, buildings and equipment:
Property, plant, and equipment - gross	515,744	526,226
Buildings and improvements
Property, buildings and equipment:
Property, plant, and equipment - gross	2,835,697	2,696,732
Financing leases:
Financing leases - gross	15,885	11,227
Machinery and equipment
Property, buildings and equipment:
Property, plant, and equipment - gross	859,709	817,617
Financing leases:
Financing leases - gross	79,844	76,811
Assets under construction
Property, buildings and equipment:
Property, plant, and equipment - gross	$ 102,919	$ 108,639