Percentage of cash proceeds from monetization of recovered cargo.

No definition available.

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- Definition

Percentage of subsequent cash proceeds after reimbursement.

+ References

No definition available.

+ Details

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- Definition

Short-term investments maturity period.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Summary of Significant Accounting Policies - Additional Information (Detail) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Percentage of cash proceeds from monetization of recovered cargo			80.00%
Percentage of subsequent cash proceeds after priority recoupment			45.00%
Short-term investment maturity period			Three months or less
Weighted average number of common shares outstanding	89,781,577	85,271,429	88,655,418	84,707,367
Receiver [Member]
Property, Plant and Equipment [Line Items]
Percentage of cash proceeds from monetization of recovered cargo			20.00%
Percentage of subsequent cash proceeds after priority recoupment			55.00%
Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, estimated useful life			3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, estimated useful life			30 years