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Business Segments (Details Narrative) | 9 Months Ended
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Jun. 30, 2016 a Segments
Reportable business segments | Segments | 3
Mining royalty lands |
Mining royalty lands acres | 15,000
Brooksville Quarry, LLC |
Mining royalty lands acres | 4,280

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- Definition Area of land held. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_MiningPropertiesAndMineralRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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