Condensed Consolidating Guarantor Financial Statements - Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Direct Financing Lease, Revenue	$ 4,034	$ 4,251	$ 7,916	$ 8,580
Total Revenues	674,940	595,794	1,242,172	1,257,403
Expenses:
Cost of Goods and Services Sold	493,580	412,089	896,952	908,221
Operating	77,997	90,245	141,204	160,036
General and administrative	25,520	22,886	55,067	49,363
Depreciation and amortization	64,011	51,755	123,047	102,291
Gain (Loss) on Disposition of Assets	8,936	1,824	7,492	(1,742)
Total expenses	670,044	578,799	1,223,762	1,218,169
Earnings from equity method investments	12,695	14,351	26,646	26,965
Operating income	17,591	31,346	45,056	66,199
Other expenses (income), net:
Interest Expense	38,910	35,904	75,562	78,365
Foreign currency transaction loss (gain)	(989)	2,314	(1,277)	5,608
Other expense (income), net	(1,347)	(533)	(2,326)	(1,483)
Total other expenses, net	36,574	37,685	71,959	82,490
Income (loss) from continuing operations before income taxes	(18,983)	(6,339)	(26,903)	(16,291)
Income tax expense (benefit)	(6,085)	(3,613)	(10,691)	19,470
Net loss	(12,898)	(2,726)	(16,212)	(35,761)
Net Income (Loss) Attributable to Noncontrolling Interest	12,689	0	16,214	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	8,018		13,598
Net Income (Loss) Attributable to Parent	(25,587)	(2,726)	(32,426)	(35,761)
Other comprehensive income (loss), net of income taxes	(27,387)	(6,180)	(13,154)	(24,351)
Comprehensive income (loss)	14,489	3,454	(3,058)	(11,410)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(6,218)	3,454	(32,870)	(11,410)
Consolidation, Eliminations [Member]
Revenues:
Direct Financing Lease, Revenue	0	0	0	0
Total Revenues	(3,127)	0	(6,157)	0
Expenses:
Cost of Goods and Services Sold	(3,127)	0	(6,157)	0
Operating	0	0	0	0
General and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Gain (Loss) on Disposition of Assets	0	0	0	0
Total expenses	(3,127)	0	(6,157)	0
Earnings from equity method investments	(5,873)	(114,208)	(40,272)	(161,597)
Operating income	(5,873)	(114,208)	(40,272)	(161,597)
Other expenses (income), net:
Interest Expense	(148)	0	(148)	(240)
Foreign currency transaction loss (gain)	0	0	0	0
Other expense (income), net	148	0	148	240
Total other expenses, net	0	0	0	0
Income (loss) from continuing operations before income taxes	(5,873)	(114,208)	(40,272)	(161,597)
Income tax expense (benefit)	0	0	0	0
Net loss	(5,873)	(114,208)	(40,272)	(161,597)
Net Income (Loss) Attributable to Noncontrolling Interest	0		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0		0
Net Income (Loss) Attributable to Parent	(5,873)		(40,272)
Other comprehensive income (loss), net of income taxes	0	0	0	0
Comprehensive income (loss)	(5,873)	(114,208)	(40,272)	(161,597)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(5,873)		(40,272)
Reportable Legal Entities [Member] | Parent Company [Member]
Revenues:
Direct Financing Lease, Revenue	0	0	0	0
Total Revenues	0	0	0	0
Expenses:
Cost of Goods and Services Sold	0	0	0	0
Operating	0	0	0	0
General and administrative	12,025	6,489	28,349	12,975
Depreciation and amortization	739	770	1,410	1,494
Gain (Loss) on Disposition of Assets	0	83,322	0	132,610
Total expenses	12,764	90,581	29,759	147,079
Earnings from equity method investments	14,132	100,135	43,487	159,581
Operating income	1,368	9,554	13,728	12,502
Other expenses (income), net:
Interest Expense	24,223	17,862	49,732	31,241
Foreign currency transaction loss (gain)	(970)	2,063	(1,256)	6,466
Other expense (income), net	(1,063)	(121)	(1,654)	(856)
Total other expenses, net	22,190	19,804	46,822	36,851
Income (loss) from continuing operations before income taxes	(20,822)	(10,250)	(33,094)	(24,349)
Income tax expense (benefit)	4,765	(7,524)	(668)	11,412
Net loss	(25,587)	(2,726)	(32,426)	(35,761)
Net Income (Loss) Attributable to Noncontrolling Interest	0		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0		0
Net Income (Loss) Attributable to Parent	(25,587)		(32,426)
Other comprehensive income (loss), net of income taxes	(10,794)	4,479	9,623	10,091
Comprehensive income (loss)	(14,793)	(7,205)	(42,049)	(45,852)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(14,793)		(42,049)
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Revenues:
Direct Financing Lease, Revenue	0	0	0	0
Total Revenues	546,910	464,395	1,000,645	981,351
Expenses:
Cost of Goods and Services Sold	496,022	411,982	902,028	881,980
Operating	24,638	28,632	48,555	56,173
General and administrative	3,608	6,091	7,264	11,859
Depreciation and amortization	19,148	19,622	38,145	38,353
Gain (Loss) on Disposition of Assets	3,737	(72,324)	3,118	(151,052)
Total expenses	547,153	394,003	999,110	837,313
Earnings from equity method investments	4,436	28,424	23,431	28,981
Operating income	4,193	98,816	24,966	173,019
Other expenses (income), net:
Interest Expense	350	11,966	636	35,530
Foreign currency transaction loss (gain)	0	344	0	147
Other expense (income), net	(11)	(3)	(51)	(8)
Total other expenses, net	339	12,307	585	35,669
Income (loss) from continuing operations before income taxes	3,854	86,509	24,381	137,350
Income tax expense (benefit)	0	0	0	0
Net loss	3,854	86,509	24,381	137,350
Net Income (Loss) Attributable to Noncontrolling Interest	0		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0		0
Net Income (Loss) Attributable to Parent	3,854		24,381
Other comprehensive income (loss), net of income taxes	(166)	(411)	(22)	(155)
Comprehensive income (loss)	4,020	86,920	24,403	137,505
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	4,020		24,403
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Revenues:
Direct Financing Lease, Revenue	4,034	4,251	7,916	8,580
Total Revenues	131,157	131,399	247,684	276,052
Expenses:
Cost of Goods and Services Sold	685	107	1,081	26,241
Operating	53,359	61,613	92,649	103,863
General and administrative	9,887	10,306	19,454	24,529
Depreciation and amortization	44,124	31,363	83,492	62,444
Gain (Loss) on Disposition of Assets	5,199	(9,174)	4,374	16,700
Total expenses	113,254	94,215	201,050	233,777
Earnings from equity method investments	0	0	0	0
Operating income	17,903	37,184	46,634	42,275
Other expenses (income), net:
Interest Expense	14,485	6,076	25,342	11,834
Foreign currency transaction loss (gain)	(19)	(93)	(21)	(1,005)
Other expense (income), net	(421)	(409)	(769)	(859)
Total other expenses, net	14,045	5,574	24,552	9,970
Income (loss) from continuing operations before income taxes	3,858	31,610	22,082	32,305
Income tax expense (benefit)	(10,850)	3,911	(10,023)	8,058
Net loss	14,708	27,699	32,105	24,247
Net Income (Loss) Attributable to Noncontrolling Interest	12,689		16,214
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	8,018		13,598
Net Income (Loss) Attributable to Parent	2,019		15,891
Other comprehensive income (loss), net of income taxes	(16,427)	(10,248)	(22,755)	(34,287)
Comprehensive income (loss)	31,135	37,947	54,860	58,534
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	10,428		25,048
Product [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	517,002	423,290	937,235	934,058
Product [Member] | Consolidation, Eliminations [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Product [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Product [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	516,041	423,290	936,274	902,739
Product [Member] | Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	961	0	961	31,319
Service [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	92,636	109,504	180,009	196,172
Service [Member] | Consolidation, Eliminations [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	(151)	0	(205)	0
Service [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Service [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	26,202	35,172	54,244	66,662
Service [Member] | Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	66,585	74,332	125,970	129,510
Storage Revenue [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	40,549	39,463	82,857	84,687
Storage Revenue [Member] | Consolidation, Eliminations [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	(2,976)	0	(5,952)	0
Storage Revenue [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Storage Revenue [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	4,651	5,933	10,044	11,950
Storage Revenue [Member] | Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	38,874	33,530	78,765	72,737
Other revenue [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	20,719	19,286	34,155	33,906
Other revenue [Member] | Consolidation, Eliminations [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Other revenue [Member] | Reportable Legal Entities [Member] | Parent Company [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	0	0	0	0
Other revenue [Member] | Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	16	0	83	0
Other revenue [Member] | Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 20,703	$ 19,286	$ 34,072	$ 33,906