Commitments And Contingencies [Line Items]

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- Definition

Lessee Leasing Arrangements, Operating Leases, Number Of Renewal Options

+ References

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.

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No definition available.

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- Definition

Operating Leases, Annual Payments Due

+ References

No definition available.

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- Definition

Term of charter agreement in years.

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No definition available.

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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-Publisher FASB
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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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- Definition

The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases.

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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Commitments And Contingencies And Other Matters - Narrative (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Jan. 31, 2016 USD ($) renewal_option	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Commitments And Contingencies [Line Items]
Total investment		$ 2,785,778	$ 2,695,772
Total rental expense		147,800	114,500	$ 87,800
Total rental income		1,400	$ 1,300	$ 1,600
Minimum rentals to be received in the future		3,500
Scotland
Commitments And Contingencies [Line Items]
Term of lease agreement	15 years
Number of renewal options \| renewal_option	2
Term of renewal option	5 years
Annual minimum lease payment	$ 800
Q7000
Commitments And Contingencies [Line Items]
Total investment		$ 403,800
Q7000 \| Contract Signing
Commitments And Contingencies [Line Items]
Percentage of contract price		20.00%
Q7000 \| Due 2016
Commitments And Contingencies [Line Items]
Percentage of contract price		20.00%
Q7000 \| Due 2017
Commitments And Contingencies [Line Items]
Percentage of contract price		20.00%
Q7000 \| Due 2018
Commitments And Contingencies [Line Items]
Percentage of contract price		20.00%
Q7000 \| Vessel Delivery
Commitments And Contingencies [Line Items]
Percentage of contract price		20.00%
Siem \| Siem Helix 1 and Siem Helix 2
Commitments And Contingencies [Line Items]
Term of charter agreement		7 years
Shipyard \| Q7000
Commitments And Contingencies [Line Items]
Total investment		$ 276,800