Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - 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 Service, Excluding Depreciation, Depletion, and Amortization	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
Loss (gain) on Disposal or Impairment	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 income, net	(1,347)	(533)	(2,326)	(1,483)
Total other expenses, net	36,574	37,685	71,959	82,490
Loss 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
Net Income (Loss) Attributable to Parent	(25,587)	(2,726)	(32,426)	(35,761)
Less: cumulative preferred stock dividends	6,657	6,211	13,198	11,043
Subsidiary Preferred Stock Dividends, Income Statement Impact	2,577	0	3,684	0
Accretion of Subsidiary Preferred Stock to redemption Value	237	0	13,986	0
Net loss attributable to common shareholders	(35,058)	(8,937)	(63,294)	(46,804)
Other comprehensive income, net of income tax	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 Noncontrolling Interest	8,018	0	13,598	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (6,218)	$ 3,454	$ (32,870)	$ (11,410)
Net loss per common share (Note 15):
Basic	$ (0.45)	$ (0.11)	$ (0.81)	$ (0.60)
Diluted	$ (0.45)	$ (0.11)	$ (0.81)	$ (0.60)
Product [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 517,002	$ 423,290	$ 937,235	$ 934,058
Service [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	92,636	109,504	180,009	196,172
Storage Revenue [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	40,549	39,463	82,857	84,687
Other revenue [Member]
Revenues:
Revenue from Contract with Customer, Excluding Assessed Tax	$ 20,719	$ 19,286	$ 34,155	$ 33,906