Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income (loss)	$ 45,306	$ (8,608)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion, and amortization	87,861	87,196
Amortization of deferred financing costs and debt discount	4,762	6,389
Amortization of above/below market leases	114	114
Loss on debt extinguishment and modification, non-cash	21,105	400
Foreign exchange (gain) loss	(2,926)	3,870
Income from investments in and impairment of partially owned entities	324	7,838
Stock-based compensation expense (modification of Restricted Stock Units)	2,042	0
Stock-based compensation expense (Stock Options and Restricted Stock Units)	6,213	1,760
Deferred income tax benefit	(2,093)	(4,379)
(Gain) loss from sale of real estate	(8,372)	83
Gain on other asset disposals	(699)	(297)
Impairment of long-lived assets and inventory	747	10,881
Multi-Employer pension plan withdrawal expense	0	9,167
Provision for doubtful accounts receivable	954	865
Changes in operating assets and liabilities:
Accounts receivable	(14,005)	17,698
Accounts payable and accrued expenses	(11,183)	(4,840)
Other	(4,990)	(1,007)
Net cash provided by operating activities	125,160	127,130
Investing activities:
Proceeds from the sale of property, plant, and equipment	18,512	2,217
Additions to property, plant, and equipment and intangible assets	(96,106)	(99,889)
Net cash used in investing activities	(77,594)	(97,672)
Financing activities:
Distributions paid on common shares	(48,537)	(10,107)
Proceeds from stock options exercised	9,897	0
Share purchases for taxes, net of proceeds from employee share-based transactions	(11,221)	0
Proceeds from revolving line of credit	0	34,000
Repayment on revolving line of credit	0	(62,000)
Payment of underwriters' costs	(8,205)	0
Reimbursement of underwriters' costs	8,952	0
Repayment of sale-leaseback financing obligations	(1,876)	(1,510)
Repayment of capitalized lease obligations	(7,476)	(6,125)
Payment of debt issuance costs	(7,279)	(4,180)
Repayment of term loan, mortgage notes and construction loans	(895,421)	(49,038)
Proceeds from term loans and mortgage notes	525,000	110,000
Net proceeds from initial public offering	493,557	0
Net proceeds from follow-on public offering	93,368	0
Proceeds from construction loans	1,097	13,130
Net cash provided by financing activities	149,906	9,944
Net increase in cash, cash equivalents and restricted cash	197,472	39,402
Effect of foreign currency translation on cash, cash equivalents and restricted cash	(2,180)	1,202
Cash, cash equivalents and restricted cash:
Beginning of period	69,963	62,931
End of period	265,255	103,535
Supplemental disclosures of cash flows information:
Acquisition of fixed assets under capitalized lease obligations	10,585	14,838
Interest paid – net of amounts capitalized	65,210	79,345
Income taxes paid – net of refunds	5,574	6,394
Acquisition of property, plant, and equipment on accrual	16,400	13,850
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	62,931
Series A
Financing activities:
Redemption and distributions paid on preferred shares of beneficial interest – Series A	(133)	(8)
Series B
Financing activities:
Distributions paid on preferred shares of beneficial interest – Series B	$ (1,817)	$ (14,218)