XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.21.2

Concentrations (Details Narrative) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) integer | Dec. 31, 2020 USD ($)
Concentration Risk [Line Items] |  |
Number of minimg tenants | integer | 5 |
Accounts receivable | $ 991 | $ 923
Mining Top Customer [Member] |  |
Concentration Risk [Line Items] |  |
Top lessee rent percent | 23.80% |
Accounts receivable | $ 294 |

X
- References No definition available. + Details
Name: | FRPH_NumberOfTenants
Namespace Prefix: | FRPH_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | FRPH_RevenueConcentrationPercent
Namespace Prefix: | FRPH_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123366838&loc=d3e3073-115593 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_AccountsReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=FRPH_MiningTopCustomerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |