XML 43 R97.htm IDEA: XBRL DOCUMENT
v2.4.1.9

SUPPLEMENTAL INFORMATION (Details) (USD $) | 12 Months Ended | 0 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jul. 15, 2014 | Mar. 26, 2010 | Oct. 02, 2014 | Oct. 31, 2014
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Adjustment in capital lease obligation with equal and opposite impact on related party balance | $ 99,500,000 fro_Adjustmentincapitalleaseobligationduetoleasetermination |  |  |  |  |  |
Debt Conversion, Cash Payment | 10,000,000 fro_DebtConversionCashPayment |  |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions | 2,000,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions | 0 us-gaap_EquityMethodInvestmentDividendsOrDistributions | 0 us-gaap_EquityMethodInvestmentDividendsOrDistributions |  |  |  |
Lease Modifications [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Adjustment in capital lease obligation with equal and opposite impact on related party balance | 105,800,000 fro_Adjustmentincapitalleaseobligationduetoleasetermination / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_LeaseModificationsMember |  |  |  |  |  |
Adjustment in capital lease obligation which resulted from reassessment of leases due to change in lease terms |  |  | 9,100,000 fro_AdjustmentInCapitalLeaseObligationWhichResultedFromReassessmentOfLeasesDueToChangeInLeaseTerms / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_LeaseModificationsMember |  |  |  |
Debt Conversion [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount | 45,500,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember | 25,000,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember |  |  |  | 4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember |  |
Debt Conversion, Converted Instrument, Shares Issued | 12,996,476 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember | 6,474,827 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember |  |  |  |  |
Debt Conversion, Cash Payment | 19,600,000 fro_DebtConversionCashPayment / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember | 2,250,000 fro_DebtConversionCashPayment / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_DebtConversionMember |  |  |  |  |
Avance gas transaction [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Value of shares allocated in transaction in Dollars |  | 1,300,000 fro_ValueofsharesallocatedintransactioninDollars / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_AvancegastransactionMember |  |  |  |  |
Proceeds from Equity Method Investment, Dividends or Distributions |  | 1,300,000 us-gaap_EquityMethodInvestmentDividendsOrDistributions / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_AvancegastransactionMember |  |  |  |  |
Number of shares allocated in transaction in shares |  | 108,069 fro_NumberOfSharesAllocatedInTransactionInShares / us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis = fro_AvancegastransactionMember |  |  |  |  |
Windsor Group [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Restricted cash removed from deconsolidation |  |  |  | 17,900,000 us-gaap_CashDivestedFromDeconsolidation / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_WindsorGroupMember |  |  |
Other current assets removed from deconsolidation |  |  |  | 28,100,000 fro_OtherCurrentAssetsDivestedfromDeconsolidation / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_WindsorGroupMember |  |  |
Vessels removed from deconsolidation |  |  |  | 174,800,000 fro_VesselsDivestedfromDeconsolidation / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_WindsorGroupMember |  |  |
Other current liabilities removed from deconsolidation |  |  |  | 28,600,000 fro_OtherCurrentLiabilitiesDivestedfromDeconsolidation / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_WindsorGroupMember |  |  |
Debt removed from deconsolidation |  |  |  | 179,800,000 fro_DebtDivestedfromDeconsolidation / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_WindsorGroupMember |  |  |
Variable Interest Entities CalPetro Bahamas B1, CalPetro Bahamas BII, CalPetro IOM [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Proceeds from divestiture of businesses and interests in affiliates |  |  |  |  |  | 1,300,000 us-gaap_Cash / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_VariableInterestEntitiesCalpetroBahamasB1CalpetroBahamasBiiCalpetroIomMember |
Restricted cash |  |  |  |  |  | 700,000 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_VariableInterestEntitiesCalpetroBahamasB1CalpetroBahamasBiiCalpetroIomMember |
Variable Interest Entity, Primary Beneficiary | Variable Interest Entities CalPetro Bahamas B1, CalPetro Bahamas BII, CalPetro IOM [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Proceeds from divestiture of businesses and interests in affiliates |  |  |  |  |  |  | 1,300,000 us-gaap_Cash / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_VariableInterestEntitiesCalpetroBahamasB1CalpetroBahamasBiiCalpetroIomMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Restricted cash |  |  |  |  |  |  | 700,000 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = fro_VariableInterestEntitiesCalpetroBahamasB1CalpetroBahamasBiiCalpetroIomMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Front Opalia, Front Commerce and Front Comanche [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Related Party Note Payable | 48,300,000 fro_RelatedPartyNotePayable / fro_VesselsByNameAxis = fro_FrontOpaliaFrontCommerceandFrontComancheMember |  |  |  |  |  |
Front Champion & Golden Victory [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Related Party Note Payable |  | 79,000,000 fro_RelatedPartyNotePayable / fro_VesselsByNameAxis = fro_FrontChampionGoldenVictoryMember |  |  |  |  |
Ship Finance International Limited [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Related Party Note Payable | 120,983,000 fro_RelatedPartyNotePayable / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = fro_ShipFinanceInternationalLimitedMember |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = fro_ShipFinanceInternationalLimitedMember |  |  |  |  |  |
Ship Finance International Limited [Member] | Front Opalia, Front Commerce and Front Comanche [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Related Party Note Payable | 48,385,000 fro_RelatedPartyNotePayable / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = fro_ShipFinanceInternationalLimitedMember / fro_VesselsByNameAxis = fro_FrontOpaliaFrontCommerceandFrontComancheMember |  |  |  |  |  |
Ship Finance International Limited [Member] | Front Champion & Golden Victory [Member] |  |  |  |  |  |  |
Non-cash investing and financing activities [Abstract] |  |  |  |  |  |  |
Related Party Note Payable | $ 78,616,000 fro_RelatedPartyNotePayable / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = fro_ShipFinanceInternationalLimitedMember / fro_VesselsByNameAxis = fro_FrontChampionGoldenVictoryMember |  |  |  |  |  |

X
- Definition Adjustment in capital lease obligation due to lease termination + References No definition available. + Details
Name: | fro_Adjustmentincapitalleaseobligationduetoleasetermination
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Adjustment in capital lease obligation which resulted from reassessment of leases due to change in lease terms. + References No definition available. + Details
Name: | fro_AdjustmentInCapitalLeaseObligationWhichResultedFromReassessmentOfLeasesDueToChangeInLeaseTerms
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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

X
- Definition Debt Divested from Deconsolidation + References No definition available. + Details
Name: | fro_DebtDivestedfromDeconsolidation
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of shares allocated in the transaction to the Company or to Frontline Ltd. + References No definition available. + Details
Name: | fro_NumberOfSharesAllocatedInTransactionInShares
Namespace Prefix: | fro_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Other Current Assets Divested from Deconsolidation + References No definition available. + Details
Name: | fro_OtherCurrentAssetsDivestedfromDeconsolidation
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other Current Liabilities Divested from Deconsolidation + References No definition available. + Details
Name: | fro_OtherCurrentLiabilitiesDivestedfromDeconsolidation
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Note Payable + References No definition available. + Details
Name: | fro_RelatedPartyNotePayable
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Value of shares allocated in transaction in Dollars + References No definition available. + Details
Name: | fro_ValueofsharesallocatedintransactioninDollars
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Vessels Divested from Deconsolidation + References No definition available. + Details
Name: | fro_VesselsDivestedfromDeconsolidation
Namespace Prefix: | fro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_Cash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reduction in cash due to no longer including the former subsidiary's cash in the consolidated entity's cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_CashDivestedFromDeconsolidation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_DebtConversionOriginalDebtAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 5 + Details
Name: | us-gaap_EquityMethodInvestmentDividendsOrDistributions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -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 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | fro_VesselsByNameAxis=fro_FrontChampionGoldenVictoryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fro_VesselsByNameAxis=fro_FrontOpaliaFrontCommerceandFrontComancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis=fro_AvancegastransactionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis=fro_DebtConversionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherSignificantNoncashTransactionsByUniqueDescriptionAxis=fro_LeaseModificationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=fro_ShipFinanceInternationalLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=fro_VariableInterestEntitiesCalpetroBahamasB1CalpetroBahamasBiiCalpetroIomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=fro_WindsorGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |