Commitments And Contingencies [Line Items]

No definition available.

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- Definition

The percentage due of the amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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- Definition

Number Of Chartered Vessels

+ References

No definition available.

+ Details

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- Definition

Term of charter agreement in years.

+ References

No definition available.

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- Definition

The duration period applicable to the contract.

+ References

No definition available.

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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- Details

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- Details

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- Details

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- Details

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Commitments And Contingencies And Other Matters - Narrative (Details) $ in Thousands	1 Months Ended		3 Months Ended
	Feb. 28, 2014 vessel	Sep. 30, 2013 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Commitments And Contingencies [Line Items]
Total investment			$ 2,511,931	$ 2,450,890
Q7000 [Member]
Commitments And Contingencies [Line Items]
Contract amount		$ 346,000
Total investment			199,500
Payment of shipyard costs			$ 138,400
Q7000 [Member] \| Contract Signing [Member]
Commitments And Contingencies [Line Items]
Percentage of contract price paid or to be paid			20.00%
Q7000 [Member] \| Due 2016 [Member]
Commitments And Contingencies [Line Items]
Percentage of contract price paid or to be paid			20.00%
Q7000 [Member] \| Issuance of Completion Certificate [Member]
Commitments And Contingencies [Line Items]
Percentage of contract price paid or to be paid			20.00%
Q7000 [Member] \| Vessel Delivery [Member]
Commitments And Contingencies [Line Items]
Percentage of contract price paid or to be paid			40.00%
Monohull Vessels [Member]
Commitments And Contingencies [Line Items]
Number of chartered vessels \| vessel	2
Topside Equipment [Member]
Commitments And Contingencies [Line Items]
Total investment			$ 247,800
Siem [Member] \| Monohull Vessels [Member]
Commitments And Contingencies [Line Items]
Term of charter agreement	7 years
Petrobras [Member]
Commitments And Contingencies [Line Items]
Term of contract	4 years