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Leases - Property leased or held for lease (Details) (Property leased or held for lease, USD $) In Thousands, unless otherwise specified | Sep. 30, 2014
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Property leased or held for lease |
Construction aggregates property | $ 35,087
Commercial property | 250,056
Carrying Value of property owned by the Company leased or held for lease, gross | 285,143
Less accumulated depreciation and depletion | 66,920
Carrying Value of property owned by the Company leased or held for lease, net | $ 218,223

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | FRPH_AccumulatedDepreciationDepletionRealEstateLeased
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | FRPH_CommercialProperty
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | FRPH_ConstructionAggregatesProperty
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | FRPH_RealEstateLeasedCarryingValueGross
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | FRPH_RealEstateLeasedCarryingValueNet
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant