Disclosure informationAccumulated Depreciation, Depletion and Amortization of Property, Plant and Equipment [Roll Forward]


Label:	Accumulated Depreciation, Depletion and Amortization of Property, Plant and Equipment [Roll Forward]
Name:	AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward
Parent Topic:	PropertyPlantAndEquipment
Documentation:	Roll forward (movements) in accumulated depreciation, depletion and amortization of property, plant, and equipment.
Commentary:
Level:	Detail
Information model:	[Roll Forward]
Completion state:	WIP
Status:
US GAAP XBRL Taxonomy Text Block:	NO TEXT BLOCK
US GAAP XBRL Taxonomy Network:	http://fasb.org/us-gaap/role/disclosure/PropertyPlantAndEquipment \| Machine-readable \| Human-readable

Prototype of Disclosure (Representation structure): Machine Readable

Line	Label	Object Class (Data type)	Period Type	Balance	Report Element Name
1	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]	Concept (Text/String)	For Period		us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward
2	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Beginning Balance	Concept (Monetary)	As Of	Debit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield
3	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease) [Roll Up]	Concept (Text/String)	For Period		added:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecreaseRollUp
4	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions	Concept (Monetary)	For Period	Debit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditions
5	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	Concept (Monetary)	For Period	Credit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion
6	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	Concept (Monetary)	For Period	Debit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference
7	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications to Nonaccretable Difference	Concept (Monetary)	For Period	Credit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference
8	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Disposals of Loans	Concept (Monetary)	For Period	Credit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans
9	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Transfers to Loans Held-for-sale	Concept (Monetary)	For Period	Credit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldTransfersToLoansHeldForSale
10	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease), Total	Concept (Monetary)	For Period		us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease
11	Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Ending Balance	Concept (Monetary)	As Of	Debit	us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield

From	Arcrole (predicate)	To
disclosures:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward	rules-arcroles:disclosure-isSECType	fro:DisclosureType
disclosures:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward	rules-arcroles:disclosure-hasConceptArrangementPattern	fro:RollForward
disclosures:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward	rules-arcroles:disclosure-requiresConcept	us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment