Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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ASSETS HELD FOR SALE (Details) - USD ($) $ in Thousands				3 Months Ended			9 Months Ended		12 Months Ended
ASSETS HELD FOR SALE (Details) - USD ($) $ in Thousands	Oct. 18, 2017	Oct. 04, 2017	Feb. 01, 2017	Dec. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Assets Held-for-Sale
Assets held for sale					$ 31,530		$ 31,530		$ 30,195
Loss on disposal of vessels, net					36,941	$ 10,756	114,644	$ 10,177
Gener8 Poseidon and Gener8 Pericles
Assets Held-for-Sale
Assets held for sale					31,500		31,500
Gener8 Poseidon
Assets Held-for-Sale
Gross proceeds from sale of asset held for sale		$ 21,500
Loss on disposal of vessels, net					12,900		12,900
Gener8 Pericles
Assets Held-for-Sale
Loss on disposal of vessels, net					$ 6,600		$ 6,600
Gener8 Ulysses
Assets Held-for-Sale
Assets held for sale									30,200
Gross proceeds from sale of asset held for sale			$ 30,500
Loss on disposal of vessels, net									$ 6,900
Refinancing Facility \| Gener8 Poseidon \| Forecast
Assets Held-for-Sale
Repayments of senior debt				$ 14,100
Refinancing Facility \| Gener8 Ulysses
Assets Held-for-Sale
Repayments of senior debt			$ 20,000
Subsequent events. \| Gener8 Pericles
Assets Held-for-Sale
Gross proceeds from sale of asset held for sale	$ 11,000
Subsequent events. \| Refinancing Facility \| Gener8 Pericles
Assets Held-for-Sale
Repayments of senior debt	$ 7,800