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ACCRUED EXPENSES (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Payables and Accruals [Abstract] |  |
Voyage expenses | $ 10,092 fro_VoyageExpenses | $ 11,027 fro_VoyageExpenses
Ship operating expenses | 4,689 fro_ShipOperatingExpensesAccruedLiabilities | 5,614 fro_ShipOperatingExpensesAccruedLiabilities
Administrative expenses | 1,493 fro_AdministrativeExpenses | 1,297 fro_AdministrativeExpenses
Interest expense | 2,556 fro_InterestExpenseAccruedExpenses | 12,429 fro_InterestExpenseAccruedExpenses
Taxes | 491 us-gaap_AccruedIncomeTaxesCurrent | 325 us-gaap_AccruedIncomeTaxesCurrent
Contingent rental expense | 3,009 fro_Contingentrentalexpense | 2,615 fro_Contingentrentalexpense
Other | 115 us-gaap_OtherAccruedLiabilitiesCurrent | 94 us-gaap_OtherAccruedLiabilitiesCurrent
Accrued expenses | $ 22,445 us-gaap_AccruedLiabilitiesCurrent | $ 33,401 us-gaap_AccruedLiabilitiesCurrent

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for administrative expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for interest expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph b(1) -Article 7 + Details
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