Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net loss	$ (17,445)	$ (14,236)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	82,620	77,211
Amortization of deferred financing costs and pension withdrawal liability	1,146	1,148
Amortization of above/below market leases	508	39
Loss on debt extinguishment, modifications and termination of derivative instruments	616	3,499
Foreign exchange loss	(325)	(173)
Loss from investments in partially owned entities	2,112	700
Share-based compensation expense	8,093	5,030
Deferred income taxes	(1,889)	(2,002)
Gain on other asset disposals	(165)	(158)
Provision for doubtful accounts receivable	1,970	579
Changes in operating assets and liabilities:
Accounts receivable	(41,994)	16,519
Accounts payable and accrued expenses	(35,572)	(38,446)
Other	15,911	(3,179)
Net cash provided by operating activities	15,586	46,531
Investing activities:
Investment in partially owned entities	(1,925)	(1,642)
Proceeds from sale of property, buildings and equipment	98	327
Business combinations, net of cash acquired	603	(41,956)
Additions to property, buildings and equipment	(93,020)	(100,466)
Net cash used in investing activities	(94,244)	(143,737)
Financing activities:
Distributions paid on common shares, restricted stock units and noncontrolling interests in Operating Partnership	(59,940)	(54,956)
Proceeds from stock options exercised	575	4,345
Proceeds from employee stock purchase plan	1,985	0
Remittance of withholding taxes related to employee share-based transactions	(3,226)	(14,922)
Proceeds from revolving line of credit	115,000	43,489
Repayment of sale-leaseback financing obligations	(1,619)	(1,453)
Repayment of financing lease obligations	(4,695)	(7,218)
Payment of debt issuance costs	0	(3,045)
Repayment of term loan and mortgage notes	(1,824)	(201,770)
Net cash provided by financing activities	46,256	(235,530)
Net decrease in cash, cash equivalents and restricted cash	(32,402)	(332,736)
Effect of foreign currency translation on cash, cash equivalents and restricted cash	409	(624)
Cash, cash equivalents and restricted cash:
Beginning of period	82,958	621,051
End of period	50,965	287,691
Supplemental disclosures of non-cash investing and financing activities:
Addition of property, buildings and equipment on accrual	52,931	56,197
Addition of property, buildings and equipment under financing lease obligations	5,717	6,191
Addition of property, buildings and equipment under operating lease obligations	1,828	3,209
Supplemental cash flow information:
Interest paid – net of amounts capitalized	38,751	31,845
Income taxes paid – net of refunds	$ 2,252	$ 1,481