Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net income (loss)	$ 20,766	$ (4,001)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion, and amortization	58,459	58,320
Amortization of deferred financing costs and debt discount	3,230	4,186
Amortization of above/below market leases	76	76
Loss on debt extinguishment and modification, non-cash	21,105	400
Foreign exchange (gain) loss	(2,191)	2,825
Income (loss) from investments in and impairment of partially owned entities	(112)	7,847
Stock-based compensation expense (modification of Restricted Stock Units)	2,042	0
Stock-based compensation expense (Stock Options and Restricted Stock Units)	4,142	1,173
Deferred income tax benefit	(2,605)	(4,031)
Gain from sale of real estate, net of tax	(8,384)	0
Gain on other asset disposals	(308)	(43)
Impairment of long-lived assets and inventory	747	10,881
Provision for doubtful accounts receivable	360	311
Changes in operating assets and liabilities:
Accounts receivable	15,548	22,601
Accounts payable and accrued expenses	(34,357)	(16,693)
Other	(1,631)	(1,051)
Net cash provided by operating activities	76,887	82,801
Investing activities:
Proceeds from the sale of property, plant, and equipment	18,104	209
Additions to property, plant, and equipment and intangible assets	(65,039)	(71,059)
Net cash used in investing activities	(46,935)	(70,850)
Financing activities:
Distributions paid on common shares	(21,377)	(5,053)
Proceeds from stock options exercised	7,524	0
Share purchases for taxes, net of proceeds from employee share-based transactions	(7,021)	0
Proceeds from revolving line of credit	0	34,000
Repayment on revolving line of credit	0	(62,000)
Payment of underwriters' costs	(5,750)	0
Reimbursement of underwriters' costs	5,750	0
Repayment of sale-leaseback financing obligations	(1,227)	(987)
Repayment of capitalized lease obligations	(4,796)	(3,965)
Payment of debt issuance costs	(8,727)	(3,934)
Repayment of term loan, mortgage notes and construction loans	(889,454)	(41,296)
Proceeds from term loans and mortgage notes	525,000	110,000
Net proceeds from initial public offering	493,557	0
Proceeds from construction loans	1,097	1,294
Net cash provided by financing activities	92,625	20,950
Net increase in cash, cash equivalents and restricted cash	122,577	32,901
Effect of foreign currency translation on cash, cash equivalents and restricted cash	(1,765)	930
Cash, cash equivalents and restricted cash:
Beginning of period	69,963	62,930
End of period	190,775	96,761
Supplemental disclosures of cash flows information:
Acquisition of fixed assets under capitalized lease obligations	5,564	10,385
Interest paid – net of amounts capitalized	43,954	52,478
Income taxes paid – net of refunds	4,545	4,983
Acquisition of property, plant, and equipment on accrual	15,118	10,429
Reconciliation of cash, cash equivalents and restricted cash reported in the condensed consolidated balance sheets to the ending cash, cash equivalents and restricted cash balances above:
Total cash, cash equivalents and restricted cash	69,963	62,930
Series A
Financing activities:
Redemption and distributions paid on preferred shares of beneficial interest – Series A	(134)	0
Series B
Financing activities:
Distributions paid on preferred shares of beneficial interest – Series B	$ (1,817)	$ (7,109)