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NEWBUILDINGS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Construction in Progress [Roll Forward] |  |  |
Balance, beginning of period | $ 52,254 | $ 79,602 | $ 308,324
Additions, net, continuing basis | 158,846 | 201,653 | 707,988
Transfer to Vessels and equipment, net | (166,121) | (230,596) | (941,388)
Interest capitalized, continuing basis | 1,089 | 1,595 | 4,678
Balance, end of period | $ 46,068 | $ 52,254 | $ 79,602

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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