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DEBT (Details) (USD $) | 0 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended | 3 Months Ended | 0 Months Ended | 2 Months Ended | 1 Months Ended | 3 Months Ended | 1 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 26, 2010 D | Oct. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2014 | Oct. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2012 | Sep. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2014 | Jul. 15, 2014 | Aug. 31, 2008 tranch | Feb. 28, 2015 | Mar. 31, 2015 | Jan. 31, 2015 | Aug. 25, 2011 | May 24, 2011 | Mar. 07, 2011 | Feb. 22, 2011 | Dec. 21, 2010 | Sep. 08, 2010 | Aug. 27, 2010 | Jun. 02, 2010 | May 21, 2010
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | $ 192,857,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt | $ 459,078,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt |  | $ 192,857,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt |  |  |  |  |  |  | $ 192,857,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term debt |  |  | (165,357,000)us-gaap_LongTermDebtCurrent | (22,706,000)us-gaap_LongTermDebtCurrent |  | (165,357,000)us-gaap_LongTermDebtCurrent |  |  |  |  |  |  | (165,357,000)us-gaap_LongTermDebtCurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  | 27,500,000 us-gaap_LongTermDebtNoncurrent | 436,372,000 us-gaap_LongTermDebtNoncurrent |  | 27,500,000 us-gaap_LongTermDebtNoncurrent |  |  |  |  |  |  | 27,500,000 us-gaap_LongTermDebtNoncurrent |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  | 459,078,000 us-gaap_LongTermDebt | 483,992,000 us-gaap_LongTermDebt | 513,513,000 us-gaap_LongTermDebt |  |  |  | 513,513,000 us-gaap_LongTermDebt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan repayments |  |  | (54,732,000)us-gaap_RepaymentsOfDebt | (21,531,000)us-gaap_RepaymentsOfDebt | (19,521,000)us-gaap_RepaymentsOfDebt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt carrying value |  | (17,800,000)fro_RepurchaseOfDebtCarryingValue |  |  | 10,000,000 fro_RepurchaseOfDebtCarryingValue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional value of long term debt in subsidiary entity sold |  |  |  | 32,019,000 fro_NotionalValueOfLongTermDebtInSubsidiaryEntitySold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Amortized Discount from Bond Buyback Sale |  |  | 1,629,000 fro_DebtAmortizedDiscountfromBondBuybackSale | 1,820,000 fro_DebtAmortizedDiscountfromBondBuybackSale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period |  |  | 192,857,000 us-gaap_LongTermDebt | 459,078,000 us-gaap_LongTermDebt | 483,992,000 us-gaap_LongTermDebt | 192,857,000 us-gaap_LongTermDebt |  |  |  |  |  |  | 192,857,000 us-gaap_LongTermDebt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt purchase price |  | 16,300,000 fro_RepurchaseOfDebtPurchasePrice |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Cash Payment |  |  | 10,000,000 fro_DebtConversionCashPayment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt number of days up to April 14, 2015 to convert at conversion price | 10 fro_ConvertibleDebtNumberOfDaysUpToApril142015ToConvertAtConversionPrice |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities of Long-term Debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2015 |  |  | 165,357,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  | 165,357,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  |  |  |  |  | 165,357,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  |  |  |  |  |  |  |  |  |  |  |  |
2016 |  |  | 2,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  | 2,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  |  |  |  |  | 2,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 |  |  | 25,500,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  | 25,500,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  |  |  |  |  | 25,500,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  |  |  |  |  |  |  |  |  |  |  |  |
2018 |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  |  |  |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  |  |  |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  |  |  |  |  |  |  |  |  |  |  |  |
Thereafter |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |  |  |  |  |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  | 192,857,000 us-gaap_LongTermDebt | 459,078,000 us-gaap_LongTermDebt | 483,992,000 us-gaap_LongTermDebt | 192,857,000 us-gaap_LongTermDebt |  |  |  |  |  |  | 192,857,000 us-gaap_LongTermDebt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets pledged [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels, net, |  |  | 56,624,000 fro_VesselsAndEquipmentNet | 264,804,000 fro_VesselsAndEquipmentNet |  | 56,624,000 fro_VesselsAndEquipmentNet |  |  |  |  |  |  | 56,624,000 fro_VesselsAndEquipmentNet |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels by Name [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Vessels Pledged as Security |  |  |  | 6 fro_NumberofVesselsPledgedasSecurity / fro_CollateralByTypeAxis = fro_VesselsByNameMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets pledged [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessels, net, |  |  | 55,812,000 fro_VesselsAndEquipmentNet / fro_CollateralByTypeAxis = fro_VesselsByNameMember | 263,367,000 fro_VesselsAndEquipmentNet / fro_CollateralByTypeAxis = fro_VesselsByNameMember |  | 55,812,000 fro_VesselsAndEquipmentNet / fro_CollateralByTypeAxis = fro_VesselsByNameMember |  |  |  |  |  |  | 55,812,000 fro_VesselsAndEquipmentNet / fro_CollateralByTypeAxis = fro_VesselsByNameMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Vessels Pledged as Security |  |  | 1 fro_NumberofVesselsPledgedasSecurity / fro_CollateralByTypeAxis = fro_FrontUIIMember |  |  | 1 fro_NumberofVesselsPledgedasSecurity / fro_CollateralByTypeAxis = fro_FrontUIIMember |  |  |  |  |  |  | 1 fro_NumberofVesselsPledgedasSecurity / fro_CollateralByTypeAxis = fro_FrontUIIMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash and investment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets pledged [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash and investments |  |  | 38,560,000 us-gaap_RestrictedCashAndInvestments / fro_CollateralByTypeAxis = fro_RestrictedCashAndInvestmentMember | 66,249,000 us-gaap_RestrictedCashAndInvestments / fro_CollateralByTypeAxis = fro_RestrictedCashAndInvestmentMember |  | 38,560,000 us-gaap_RestrictedCashAndInvestments / fro_CollateralByTypeAxis = fro_RestrictedCashAndInvestmentMember |  |  |  |  |  |  | 38,560,000 us-gaap_RestrictedCashAndInvestments / fro_CollateralByTypeAxis = fro_RestrictedCashAndInvestmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  | 23,000,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_LongtermDebtTypeAxis = fro_DebtConversionMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.5% convertible bond due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt carrying value |  |  | 17,800,000 fro_RepurchaseOfDebtCarryingValue / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (in hundredths) | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued |  | 8,251,724 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  | 4,744,752 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Price |  | $ 1.45 us-gaap_SharePrice / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | $ 2.62 us-gaap_SharePrice / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  | $ 2.62 us-gaap_SharePrice / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | $ 2.62 us-gaap_SharePrice / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
8.04% First Preferred Mortgage Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, minimum (in hundredths) |  |  | 7.84%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, maximum (in hundredths) |  |  | 8.04%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes due 2021 [Member] | First Preferred Mortgage Term Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, maximum (in hundredths) |  |  |  | 7.84%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / fro_LongTermDebtInterestRateTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.5% convertible bond due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt carrying value |  |  |  |  |  |  |  | (10,000,000)fro_RepurchaseOfDebtCarryingValue / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt purchase price |  |  |  |  |  |  |  | 5,400,000 fro_RepurchaseOfDebtPurchasePrice / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on repurchase of debt instrument |  | 1,500,000 us-gaap_GainLossOnRepurchaseOfDebtInstrument / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | 4,600,000 us-gaap_GainLossOnRepurchaseOfDebtInstrument / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt percentage holding |  | 23.50%fro_RepurchaseOfDebtPercentageHolding / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  | 4.40%fro_RepurchaseOfDebtPercentageHolding / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  |  |  |  |  |  | 25,000,000 us-gaap_DebtConversionOriginalDebtAmount1 / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued |  |  |  |  |  |  | 6,474,827 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Cash Payment |  | 10,000,000 fro_DebtConversionCashPayment / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  | 9,600,000 fro_DebtConversionCashPayment / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember | 2,250,000 fro_DebtConversionCashPayment / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Expense due to Inducement Offer |  |  | 41,100,000 fro_DebtConversionExpenseduetoInducementOffer / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  | 12,700,000 fro_DebtConversionExpenseduetoInducementOffer / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.5% convertible bond due 2015 | Debt Conversion [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  |  |  |  |  | 22,500,000 us-gaap_DebtConversionOriginalDebtAmount1 / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember / us-gaap_LongtermDebtTypeAxis = fro_DebtConversionMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
4.5% convertible bond due 2015 | 4.5% convertible bond due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  |  | (45,500,000)us-gaap_DebtConversionOriginalDebtAmount1 / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | (25,000,000)us-gaap_DebtConversionOriginalDebtAmount1 / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated fixed rate debt [Member] | 4.5% convertible bond due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | 126,700,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | 190,000,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | 126,700,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | 126,700,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate (in hundredths) | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument placed on private placement | 225,000,000 fro_DebtInstrumentPlacedOnPrivatePlacement / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible, conversion price (in dollars per share) | 39.00 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 36.5567 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | $ 36.5567 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 36.5567 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  | $ 36.5567 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  | $ 36.5567 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  | $ 37.0483 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 38.0895 us-gaap_DebtInstrumentConvertibleConversionPrice1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |
USD/NOK exchange rate | 6.0448 us-gaap_ForeignCurrencyExchangeRateRemeasurement1 / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend declared (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.02 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | $ 0.10 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 0.10 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember | $ 0.25 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 0.75 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  | $ 0.75 fro_DividendsDeclaredAmountPerShareAdjustedForConversion / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember
Minimum adjustment to conversion price, percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00%fro_MinimumAdjustmentToConversionPricePercent / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |
Bond redemption features (in hundredths) | 100.00%fro_BondsIssueAndRedemptionFeatures / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bond redemption feature, minimum (in hundredths) |  |  | 90.00%fro_BondRedemptionFeatureMinimum / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of new shares to be issued (in shares) |  |  | 3,465,849 fro_NumberOfNewSharesToBeIssued / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = us-gaap_ConvertibleDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated fixed rate debt [Member] | 8.04% First Preferred Mortgage Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | 36,657,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member | 83,240,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  | 36,657,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  | 36,657,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Unamortized Discount Resulting from Bond Buyback Sale |  |  | 0 fro_DebtUnamortizedDiscountResultingfromBondBuybackSale / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member | (10,402,000)fro_DebtUnamortizedDiscountResultingfromBondBuybackSale / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  | 0 fro_DebtUnamortizedDiscountResultingfromBondBuybackSale / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  | 0 fro_DebtUnamortizedDiscountResultingfromBondBuybackSale / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bond redemption features (in hundredths) |  |  | 100.00%fro_BondsIssueAndRedemptionFeatures / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  | 100.00%fro_BondsIssueAndRedemptionFeatures / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  | 100.00%fro_BondsIssueAndRedemptionFeatures / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, minimum (in hundredths) |  |  |  | 7.84%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, maximum (in hundredths) |  |  |  | 8.04%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated fixed rate debt [Member] | First Preferred Mortgage Term Notes due 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | 0 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member | 196,240,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member |  | 0 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member |  |  |  |  |  |  | 0 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, maximum (in hundredths) |  |  | 8.04%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated fixed rate debt [Member] | First Preferred Mortgage Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sinking fund redemption price (in hundredths) |  |  | 100.00%fro_SinkingFundRedemptionPrice / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageNotesMember |  |  | 100.00%fro_SinkingFundRedemptionPrice / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageNotesMember |  |  |  |  |  |  | 100.00%fro_SinkingFundRedemptionPrice / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFixedRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageNotesMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated floating rate debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember | 0 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 60,000,000 fro_FrontUllFrontIdunLoan / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated floating rate debt [Member] | Vessel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan draw downs |  |  |  |  |  |  |  |  |  | 30,000,000 fro_DrawdownofFrontUllFrontIdunloan / fro_CollateralByTypeAxis = fro_FrontUIIMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated floating rate debt [Member] | US Dollar denominated floating rate debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 60,000,000 fro_FrontUllFrontIdunLoan / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest on floating rate debt |  |  | 2.80%fro_Weightedaverageinterestonfloatingratedebt / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated floating rate debt [Member] | US Dollar denominated floating rate debt [Member] | Vessels by Name [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  | 60,000,000 fro_FrontUllFrontIdunLoan / fro_CollateralByTypeAxis = fro_VesselsByNameMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Dollar denominated floating rate debt [Member] | US Dollar denominated floating rate debt [Member] | Front Ull and Front Idun [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |  | 0 fro_FrontUllFrontIdunLoan / fro_CollateralByTypeAxis = fro_FrontUllandFrontIdunMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan draw downs |  |  | 30,000,000 fro_DrawdownofFrontUllFrontIdunloan / fro_CollateralByTypeAxis = fro_FrontUllandFrontIdunMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes due 2019 [Member] | 8.04% First Preferred Mortgage Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, maximum (in hundredths) |  |  | 8.04%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / fro_LongTermDebtInterestRateTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member | 8.04%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum / fro_LongTermDebtInterestRateTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019Member / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Windsor Group [Member] | First Preferred Mortgage Term Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Amortized Discount from Bond Buyback Sale |  |  |  |  |  |  |  |  |  |  |  |  | (8,800,000)fro_DebtAmortizedDiscountfromBondBuybackSale / dei_LegalEntityAxis = fro_WindsorGroupMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deconsolidation of subsidiaries |  |  | (179,818,000)fro_Deconsolidationofsubsidiaries / dei_LegalEntityAxis = fro_WindsorGroupMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Windsor Group [Member] | First Preferred Mortgage Term Notes due 2021 [Member] | First Preferred Mortgage Term Notes due 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deconsolidation of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  | (179,800,000)fro_Deconsolidationofsubsidiaries / dei_LegalEntityAxis = fro_WindsorGroupMember / fro_LongTermDebtInterestRateTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2021Member |  |  |  |  |  |  |  |  |  |  |  |  |
International Tankers Corporation Ltd [Member] | 8.04% First Preferred Mortgage Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Unamortized Discount Resulting from Bond Buyback Sale |  |  |  | (12,200,000)fro_DebtUnamortizedDiscountResultingfromBondBuybackSale / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional value of long term debt in subsidiary entity sold |  |  |  | 32,000,000 fro_NotionalValueOfLongTermDebtInSubsidiaryEntitySold / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Amortized Discount from Bond Buyback Sale |  |  | (1,600,000)fro_DebtAmortizedDiscountfromBondBuybackSale / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Preferred Mortgage Term Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of tranches of term notes purchased |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 fro_NumberOfTranchesOfTermNotesPurchased / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | 19,800,000 us-gaap_ProceedsFromIssuanceOfDebt / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt discount effective interest rate |  |  | 7.84%fro_Debtdiscounteffectiveinterestrate / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate range, minimum (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.84%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member |  |  |  |  |  |  |  |  |  |  |  |
Reported Value Measurement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total US Dollar floating rate and fixed rate debt |  |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_CarryingReportedAmountFairValueDisclosureMember | 0 fro_TotalUsDollarFloatingRateAndFixedRateDebt / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_CarryingReportedAmountFairValueDisclosureMember |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_CarryingReportedAmountFairValueDisclosureMember |  |  |  |  |  |  | 29,500,000 fro_TotalUsDollarFloatingRateAndFixedRateDebt / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_CarryingReportedAmountFairValueDisclosureMember |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Amortized Discount from Bond Buyback Sale |  |  |  | (12,222,000)fro_DebtAmortizedDiscountfromBondBuybackSale / us-gaap_FairValueByMeasurementBasisAxis = us-gaap_CarryingReportedAmountFairValueDisclosureMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of debt carrying value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (33,300,000)fro_RepurchaseOfDebtCarryingValue / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | 4.5% convertible bond due 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bonds due 2015 [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on repurchase of debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 us-gaap_GainLossOnRepurchaseOfDebtInstrument / fro_LongTermDebtInterestRateTypeAxis = us-gaap_ConvertibleDebtMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | US Dollar denominated floating rate debt [Member] | Vessel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan draw downs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,000,000 fro_DrawdownofFrontUllFrontIdunloan / fro_CollateralByTypeAxis = fro_FrontUIIMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember | 30,000,000 fro_DrawdownofFrontUllFrontIdunloan / fro_CollateralByTypeAxis = fro_FrontUIIMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | US Dollar denominated floating rate debt [Member] | US Dollar denominated floating rate debt [Member] | Vessels by Name [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000,000 fro_FrontUllFrontIdunLoan / fro_CollateralByTypeAxis = fro_VesselsByNameMember / fro_LongTermDebtInterestRateTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_LongtermDebtTypeAxis = fro_UsDollarDenominatedFloatingRateDebtMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | International Tankers Corporation Ltd [Member] | 8.04% First Preferred Mortgage Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in debt [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan repayments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (36,700,000)us-gaap_RepaymentsOfDebt / dei_LegalEntityAxis = fro_InternationalTankersCorporationLtdMember / us-gaap_LongtermDebtTypeAxis = fro_FirstPreferredMortgageTermNotesDue2019And2021Member / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |  |  |  |  |  |  |  |  |

X
- Details
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Namespace Prefix: | fro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the minimum percentage of bonds issued that have to be redeemed or converted to shares, before the company has the right to redeem the remaining bonds at par plus accrued interest at anytime during the term of the loan. + References No definition available. + Details
Name: | fro_BondRedemptionFeatureMinimum
Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the the percentage at which issued bonds will be redeemed as a percentage of the principal unless previously redeemed, converted or purchased and cancelled. + References No definition available. + Details
Name: | fro_BondsIssueAndRedemptionFeatures
Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | fro_ConvertibleBondsDue2015Abstract
Namespace Prefix: | fro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Convertible Debt number of days up to April 14, 2015 to convert at conversion price + References No definition available. + Details
Name: | fro_ConvertibleDebtNumberOfDaysUpToApril142015ToConvertAtConversionPrice
Namespace Prefix: | fro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Debt Amortized Discount from Bond Buyback Sale + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Debt Conversion, Cash Payment + References No definition available. + Details
Name: | fro_DebtConversionCashPayment
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Debt Conversion, Expense due to Inducement Offer + References No definition available. + Details
Name: | fro_DebtConversionExpenseduetoInducementOffer
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Debt discount effective interest rate + References No definition available. + Details
Name: | fro_Debtdiscounteffectiveinterestrate
Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The debt instrument placed on private placement during the period under review. + References No definition available. + Details
Name: | fro_DebtInstrumentPlacedOnPrivatePlacement
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Debt Unamortized Discount Resulting from Bond Buyback Sale + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Deconsolidation of subsidiaries + References No definition available. + Details
Name: | fro_Deconsolidationofsubsidiaries
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The per share amount of a dividend declared which adjusts the conversion price. + References No definition available. + Details
Name: | fro_DividendsDeclaredAmountPerShareAdjustedForConversion
Namespace Prefix: | fro_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Drawdown of Front Ull & Front Idun loan + References No definition available. + Details
Name: | fro_DrawdownofFrontUllFrontIdunloan
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | fro_FirstPreferredMortgageTermNotesAbstract
Namespace Prefix: | fro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Front Ull & Front Idun Loan + References No definition available. + Details
Name: | fro_FrontUllFrontIdunLoan
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Minimum Adjustment To Conversion Price, Percent + References No definition available. + Details
Name: | fro_MinimumAdjustmentToConversionPricePercent
Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | fro_MovementInDebtAbstract
Namespace Prefix: | fro_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Notional value of long term debt in subsidiary entity sold + References No definition available. + Details
Name: | fro_NotionalValueOfLongTermDebtInSubsidiaryEntitySold
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition This element represents the number of shares that may be issued if the bonds were converted at the current conversion price per share. + References No definition available. + Details
Name: | fro_NumberOfNewSharesToBeIssued
Namespace Prefix: | fro_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents the number of Tranches of Windsor Petroleum Transport Corporation 7.84% term notes purchased on the open market. + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of Vessels Pledged as Security + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Repurchase of debt carrying value + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Repurchase of debt percentage holding + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Repurchase of debt purchase price + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The percentage of the principal amount being redeemed through the operation of the mandatory sinking funds according to the schedule of sinking fund redemption payments in respect of the 8.04% First Preferred Mortgage Term Notes. + References No definition available. + Details
Name: | fro_SinkingFundRedemptionPrice
Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The total carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate and rate subject to change from time to time. + References No definition available. + Details
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Namespace Prefix: | fro_
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Balance Type: | credit
Period Type: | instant

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- Definition Carrying amount at the balance sheet date of vessels and other long-lived depreciable physical assets used in the normal conduct of business and not intended for resale, net of accumulated depreciation on vessels and equipments. + References No definition available. + Details
Name: | fro_VesselsAndEquipmentNet
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Weighted average interest on floating rate debt + References No definition available. + Details
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Namespace Prefix: | fro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + 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 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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Balance Type: | na
Period Type: | duration

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- Definition The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + 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 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Minimum contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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Data Type: | xbrli:stringItemType
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- Definition Foreign exchange rate used to remeasure amounts denominated in a currency other than functional currency into functional currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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- Definition Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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