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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Sale of Vessels (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 item | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($)
Gain on sale of vessels |  |  |  |
Loss on disposal of vessels | $ 15 |  | $ 735 | $ 486
Number of vessels sold | item |  | 0 |  |
Baltic Leopard |  |  |  |
Gain on sale of vessels |  |  |  |
Loss on disposal of vessels | $ 15 |  |  |
Baltic Panther Baltic Hare Baltic Cougar Baltic Leopard Baltic Cove Baltic Fox Genco Spirit Genco Avra and Genco Mare |  |  |  |
Gain on sale of vessels |  |  |  |
Loss on disposal of vessels |  |  | $ 735 |
Genco Charger and Genco Thunder |  |  |  |
Gain on sale of vessels |  |  |  |
Loss on disposal of vessels |  |  |  | $ 486

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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