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Investments in Joint Ventures as of December 31, 2022 (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Investments in real estate, net | $ 497,609 | $ 493,324
Cash and cash equivalents | 9,319 | 7,937
Unrealized rents & receivables | 5,299 | 5,577
Deferred costs | 5,704 | 3,802
Total Assets | 699,896 | 701,084
Secured notes payable | 271,930 | 276,801
Other liabilities | 7,606 | 11,023
Capital - Third Parties | 409,876 | 407,145
Total Liabilities and Capital | 699,896 | 701,084
Real Estate Total Assets [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Assets | 517,931 | 510,640
Real Estate Partnership F R P [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital – FRP | 147,371 | 135,333
Real Estate Partnership Third Parties [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital - Third Parties | 91,024 | 87,483
Real Estate Partnership Total Liabilities And Capital [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Liabilities and Capital | 517,931 | 510,640
Brooksville Quarry L L C [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in real estate, net | 14,342 | 14,307
Cash and cash equivalents | 21 | 66
Unrealized rents & receivables | 0 | 0
Deferred costs | 4 | 1
Secured notes payable | 0 | 0
Other liabilities | 43 | 0
Brooksville Quarry L L C [Member] | Real Estate Total Assets [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Assets | 14,367 | 14,374
Brooksville Quarry L L C [Member] | Real Estate Partnership F R P [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital – FRP | 7,496 | 7,522
Brooksville Quarry L L C [Member] | Real Estate Partnership Third Parties [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital - Third Parties | 6,828 | 6,852
Brooksville Quarry L L C [Member] | Real Estate Partnership Total Liabilities And Capital [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Liabilities and Capital | 14,367 | 14,374
B C F R P Realty L L C [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in real estate, net | 21,077 | 21,059
Cash and cash equivalents | 215 | 99
Unrealized rents & receivables | 392 | 422
Deferred costs | 275 | 245
Secured notes payable | 10,586 | 10,899
Other liabilities | 1,127 | 338
B C F R P Realty L L C [Member] | Real Estate Total Assets [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Assets | 21,959 | 21,825
B C F R P Realty L L C [Member] | Real Estate Partnership F R P [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital – FRP | 5,123 | 5,294
B C F R P Realty L L C [Member] | Real Estate Partnership Third Parties [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital - Third Parties | 5,123 | 5,294
B C F R P Realty L L C [Member] | Real Estate Partnership Total Liabilities And Capital [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Liabilities and Capital | 21,959 | 21,825
Lending Ventures [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in real estate, net | 11,448 | 5,547
Cash and cash equivalents | 0 | 0
Unrealized rents & receivables | 0 | 0
Deferred costs | 0 | 30
Secured notes payable | (10,586) | (10,899)
Other liabilities | 0 | 0
Lending Ventures [Member] | Real Estate Total Assets [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Assets | 11,448 | 5,577
Lending Ventures [Member] | Real Estate Partnership F R P [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital – FRP | 22,034 | 16,476
Lending Ventures [Member] | Real Estate Partnership Third Parties [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital - Third Parties | 0 | 0
Lending Ventures [Member] | Real Estate Partnership Total Liabilities And Capital [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Liabilities and Capital | 11,448 | 5,577
Apartment Mixed Use [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in real estate, net | 450,742 | 452,411
Cash and cash equivalents | 9,083 | 7,772
Unrealized rents & receivables | 4,907 | 5,155
Deferred costs | 5,425 | 3,526
Secured notes payable | 271,930 | 276,801
Other liabilities | 6,436 | 10,685
Apartment Mixed Use [Member] | Real Estate Total Assets [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Assets | 470,157 | 468,864
Apartment Mixed Use [Member] | Real Estate Partnership F R P [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital – FRP | 112,718 | 106,041
Apartment Mixed Use [Member] | Real Estate Partnership Third Parties [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Capital - Third Parties | 79,073 | 75,337
Apartment Mixed Use [Member] | Real Estate Partnership Total Liabilities And Capital [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Total Liabilities and Capital | $ 470,157 | $ 468,864

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