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Related Party Transactions (Details Narrative) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Related Party Transactions [Abstract] |  |
Charges/allocation related to Transition Services Agreement with Patriot | $ 386 | $ 794
Charges/allocations related to discontinued operations | $ 0 | $ 919

X
- References No definition available. + Details
Name: | FRPH_UnallocatedtoDiscontinuedOps
Namespace Prefix: | FRPH_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration