Investments in Joint Ventures - Narrative (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Capital recorded by unconsolidated joint ventures	$ 5,260,000
Retained earnings	350,588,000	$ 345,882,000
Grand Total
Schedule of Equity Method Investments [Line Items]
Retained earnings	$ (28,388,000)	$ (21,823,000)
Bryant Street Partnerships
Schedule of Equity Method Investments [Line Items]
FRP Ownership (as a percent)	72.10%	61.36%
Loan guarantee expense	$ (372)