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Investments in Joint Ventures (Details Narrative) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) integer | Dec. 31, 2019 USD ($) | May 31, 2016 USD ($) | Jun. 30, 2020 USD ($) integer | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Dec. 31, 2006 USD ($) | Jun. 30, 2020 USD ($) integer | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) integer | Dec. 31, 2018 USD ($) | Dec. 31, 2017 | Dec. 31, 2016 USD ($) | Jun. 26, 2020 USD ($) | Dec. 23, 2019 a integer | Dec. 19, 2019 a integer | Jul. 31, 2019 USD ($) a ft² integer | Jun. 26, 2019 USD ($) integer | Mar. 13, 2019 USD ($) | Dec. 24, 2018 a | May 04, 2018 USD ($) | Jan. 27, 2018 USD ($) | Sep. 28, 2017 USD ($) integer | Apr. 26, 2016 a ft² | Oct. 04, 2006 a
Company's share of the loss of the joint venture |  |  |  | $ 1,343 |  | $ 272 |  | $ 1,985 | $ 536 | $ 1,954 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint Venture consolidated retained earnings | $ (5,574) | $ (4,127) |  | (5,574) |  |  |  | (5,574) |  | (4,127) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash contribution |  |  |  |  |  |  |  | 1,315 | $ 6,592 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Difference between capital recorded by the Company and the joint ventures | 8,809 |  |  | 8,809 |  |  |  | 8,809 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1800 Half Street |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square feet | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,246 |  |  |  |  |  |  |  |  |
Cash contribution |  | 37,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of homes | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 344 |  |  |  |  |  |  |  |  |
408 Jackson |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square feet | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,700 |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Cash contribution |  | 9,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of homes | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 227 |  |  |  |  |  |  |  |  |  |
Greenville |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |
Cash contribution |  | 6,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of homes | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200 |  |  |  |  |  |  |  |  |  |
Bryant Street and MRP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantee amount |  | $ 26,000 |  |  |  |  |  |  |  | $ 26,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantee term |  |  |  |  |  |  |  |  |  | 48 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantee description |  |  |  |  |  |  |  |  |  | The Company and MRP have a side agreement limiting the Company’s guarantee to its proportionate ownership. The value of the guarantee was calculated at $1.9 million based on the present value of the 1% interest savings over the anticipated 48-month term. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantee interest savings |  | 1.00% |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan guarantee present value |  | $ 1,900 |  |  |  |  |  |  |  | $ 1,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BC FRP Realty, LLC Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,250 |  |
Interest rate over LIBOR |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | 12,160 |  |  | 12,160 |  |  |  | 12,160 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Eagle BankRiverFront Holdings II, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate over LIBOR |  |  |  |  |  |  |  |  |  |  | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | 60,704 |  |  | 60,704 |  |  |  | 60,704 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 71,000 |  |  |  |
Loan description |  |  |  |  |  |  |  |  |  |  | The loan is interest only and matures in 36 months with a 12 month extension assuming completion of construction and at least one occupancy. There is a provision for an additional 60 months extension with a 30 year amortization of principal at 2.15% over 7 year US Treasury Constant if NOI is sufficient for a 9% yield. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bryant Street Partnerships Construction Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate over LIBOR |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 38,660 |  |  | $ 38,660 |  |  |  | $ 38,660 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 132,000 |  |  |  |  |  |
Loan description |  |  |  |  |  |  |  |  | The loan matures March 13, 2023 with up to two extension of one year each upon certain conditions. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bryant Street Partnerships Construction Loan Extension 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt service coverage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.1 |  |  |  |  |  |
Loan-to-value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65.00% |  |  |  |  |  |
Bryant Street Partnerships Construction Loan Extension 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt service coverage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25 |  |  |  |  |  |
Loan-to-value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65.00% |  |  |  |  |  |
1800 Half Street Construction loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction financing |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 74,000 |  |  |  |  |  |  |  |  |  |  |
Interest rate over LIBOR | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
1800 Half Street Construction loan extension |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan extension fee |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |  |
Debt Yield for extension | 9.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization schedule | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vulcan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00%
Acres conributed | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 553
Vulcan leasehold interest | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,443
FRP additional contribution for land |  |  |  |  |  |  | $ 3,018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional land acquired | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 288
St Johns Properties JV St Johns |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of land contributed |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,240 |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |
Acres conributed | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |
MRP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other ownership capital contribution |  |  |  |  |  |  |  |  |  |  | $ 5,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Development fee |  |  |  |  |  |  |  |  |  |  | 725 |  |  |  |  |  |  |  |  |  |  |  |  |  |
DST CS1031 Hickory Creek |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 273,940 |  |  |  |  |  |  |  |
Land acreage | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.4 |  |  |  |  |  |  |  |
No. Single family homes | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 294 |  |  |  |  |  |  |  |
Buildings | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19 |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.74% |  |  |  |  |  |  |  |
Financing term |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing obtained |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 29,672 |  |  |  |  |  |  |  |
Interest only period |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 45,600 |  |  |  |  |  |  |  |
Brooksville Quarry, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land acreage | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,300
Joint venture percentage stake | 50.00% | 50.00% |  | 50.00% |  |  |  | 50.00% |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00%
Acres conributed | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,443
Book value of land contribution |  |  |  |  |  |  | 2,548 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
FRP additional contribution for land |  |  |  |  |  |  | $ 3,018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional land acquired | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 288
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 21 |  | $ 42 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BC FRP Realty, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 329,000 |
Value of land contributed |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,500 |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake | 50.00% | 50.00% |  | 50.00% |  |  |  | 50.00% |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |
Distribution received |  |  | $ 2,130 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acres conributed | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 104 |  | $ 591 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
RiverFront Holdings II, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Value of land contributed |  |  |  |  |  |  |  |  |  |  | 16,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake | 80.00% | 80.00% |  | 80.00% |  |  |  | 80.00% |  | 80.00% |  |  |  |  |  |  |  |  |  |  | 80.00% |  |  |  |
Book value of land contribution |  |  |  |  |  |  |  |  |  |  | 4,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 1,409 |  | $ 871 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash contribution |  |  |  |  |  |  |  |  |  |  | 6,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred equity financing |  |  |  |  |  |  |  |  |  |  | $ 13,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred equity financing advanced |  |  |  |  |  |  |  |  |  | 13,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred equity financing interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  |  |
Hyde Park |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,500 |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |
Preferred return |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |
No. of homes | integer | 126 |  |  | 126 |  |  |  | 126 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal and interest payment |  |  |  |  |  |  |  | $ 2,670 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bryant Street Partnerships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of partnerships | integer |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land acreage | a |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Joint venture percentage stake | 61.36% | 61.36% |  | 61.36% |  |  |  | 61.36% |  | 61.36% |  |  |  |  |  |  |  |  |  | 61.36% |  |  |  |  |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 825 |  | $ 573 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash contribution |  |  |  |  |  |  |  |  |  | 32,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred equity financing |  |  |  |  |  |  |  |  |  | $ 23,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred equity financing interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
DST Hickory Creek |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Joint venture percentage stake | 26.65% | 26.65% |  | 26.65% |  |  |  | 26.65% |  | 26.65% |  |  |  |  |  |  | 26.65% |  |  |  |  |  |  |  |
Distribution received |  |  |  |  |  |  |  | $ 168 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | (168) |  | $ (123) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash contribution |  |  |  |  | $ 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amber Ridge |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company's share of the loss of the joint venture |  |  |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18,500 |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |
Preferred return |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.00% |  |  |  |  |  |  |
No. of homes | integer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 187 |  |  |  |  |  |  |

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Namespace Prefix: | FRPH_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

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Namespace Prefix: | FRPH_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

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Namespace Prefix: | FRPH_
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