Refers to number of tank barges.

No definition available.

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- Definition

Number of vessels damaged in collision resulting in fuel oil discharge.

+ References

No definition available.

+ Details

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- Definition

Term of the guarantee or each group of financial instruments used to support performance by the company and its subsidiaries in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

No definition available.

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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CONTINGENCIES (Details)	9 Months Ended
CONTINGENCIES (Details)	Sep. 30, 2016 USD ($) Lawsuit Plaintiff	Sep. 13, 2016 USD ($)	Mar. 22, 2014 TankBarge
Guarantor Obligations [Line Items]
Issued guaranties	$ 14,162,000
Maximum [Member]
Guarantor Obligations [Line Items]
Guarantor obligations, expiration period	4 years
Performance Bonds [Member]
Guarantor Obligations [Line Items]
Issued guaranties	$ 10,105,000
Collision with M/S Summer Wind [Member]
Loss Contingencies [Line Items]
Number of tank barges \| TankBarge			2
Number of vessels damaged in collision resulting in fuel oil discharge \| TankBarge			1
Number of actions filed against the Company \| Lawsuit	2
Number of crewmembers alleging damages \| Plaintiff	2
Amount of civil penalty		$ 4,900,000
Letters Of Credit [Member]
Guarantor Obligations [Line Items]
Issued guaranties	$ 4,057,000