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Basis of Presentation (Details Narrative) | 9 Months Ended
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Jun. 30, 2016
Brooksville Quarry, LLC |
Joint venture ownership percentage | 50.00%
BC FRP Realty, LLC |
Joint venture ownership percentage | 50.00%

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- Definition Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=FRPH_BrooksvilleJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=FRPH_BCFRPRealtyJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |