Amount of fixed asset purchases that are included in prepaid expense and other current assets.

No definition available.

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- Definition

Represents the amount of cash paid for Reorganization items during the period.

+ References

No definition available.

+ Details

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- Definition

The amount of common stock issuance costs that were incurred during a non-cash or partial non-cash transaction.

+ References

No definition available.

+ Details

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- Definition

The future cash outflow to pay for vessel assets including deposits that the entity acquires in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

No definition available.

+ Details

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- Definition

Represents the reclassification from deposits on vessels to vessels, net of accumulated depreciation.

+ References

No definition available.

+ Details

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- Definition

Represents the reclassification from fixed assets to vessel assets, net of accumulated depreciation.

+ References

No definition available.

+ Details

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- Definition

Represents the change in future cash outflow for professional fees that have occurred.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the professional fees and trustee fees recognized in Reorganization items, net.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

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Balance Type:	credit
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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

+ References

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Data Type:	xbrli:monetaryItemType
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- Details

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CASH FLOW INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Dec. 31, 2014	Jul. 09, 2014	Dec. 31, 2013	Dec. 31, 2012
Non-cash investing and financing activities
Professional fees and trustee fees recognized in Reorganization items, net	$ 1,591
Cash paid for professional fees and trustee fees for Reorganization items	32,794gnk_CashPaidForReorganizationItems
Cash paid for interest	5,483us-gaap_InterestPaidNet
Cash paid for estimated income taxes	750us-gaap_IncomeTaxesPaid
Reclassification from deposits on vessels to vessels, net of accumulated depreciation	9,140
Predecessor
Non-cash investing and financing activities
Professional fees and trustee fees recognized in Reorganization items, net		35,232
Cash paid for professional fees and trustee fees for Reorganization items		2,703
Cash paid for interest		40,209	75,133	79,373
Cash paid for estimated income taxes		1,495	1,275	1,216
Reclassification from deposits on vessels to vessels, net of accumulated depreciation		0	0	0
Reclassification of fixed assets to vessel assets		984
Accounts payable and accrued expenses.
Non-cash investing and financing activities
Non-cash investing activities purchase of vessels, including deposits	464
Non-cash investing activities purchase of other fixed assets	22
Non-cash financing activities deferred financing costs	2,190
Professional fees and trustee fees recognized in Reorganization items, net	313
Accounts payable and accrued expenses. \| Predecessor
Non-cash investing and financing activities
Non-cash investing activities purchase of vessels, including deposits		53	618
Non-cash investing activities purchase of other fixed assets		20	122
Non-cash financing activities deferred financing costs		456	78
Professional fees and trustee fees recognized in Reorganization items, net		32,529
Non-cash financing activities common stock issuance costs			111
Current Interest Payable \| Predecessor
Non-cash investing and financing activities
Non-cash financing activities deferred financing costs			13,199
Long-Term Interest Payable \| Predecessor
Non-cash investing and financing activities
Non-cash financing activities deferred financing costs				13,199
Prepaid expenses and other current assets
Non-cash investing and financing activities
Purchase of fixed assets	$ 7