Long-Term Debt (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2021	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2019	Dec. 31, 2022	Mar. 19, 2021	Feb. 06, 2019
Line of Credit Facility [Line Items]
Outstanding letters of credit		$ 823,000			$ 823,000
Principal sum		178,668,000			178,668,000			$ 178,557,000
Debt cost amortization		37,000	$ 37,000		111,000	$ 111,000
Capitalized interest costs		$ 297,000	$ 673,000		$ 986,000	$ 2,019,000
Dock 79 Loan [Member]
Line of Credit Facility [Line Items]
Principal sum									$ 92,070,000
Fixed interest rate									3.03%
Debt description	Either loan may be prepaid subsequent to April 1, 2024, subject to yield maintenance premiums. Either loan may be transferred to a qualified buyer as part of a one-time sale subject to a 60% loan to value, minimum of 7.5% debt yield and a 0.75% transfer fee
Maren [Member]
Line of Credit Facility [Line Items]
Principal sum									$ 88,000,000
Fixed interest rate									3.03%
Debt description	Either loan may be prepaid subsequent to April 1, 2024, subject to yield maintenance premiums. Either loan may be transferred to a qualified buyer as part of a one-time sale subject to a 60% loan to value, minimum of 7.5% debt yield and a 0.75% transfer fee
Wells Fargo Level I [Member]
Line of Credit Facility [Line Items]
Interest rate spread				1.50%
Commitment fee					0.25%
Wells Fargo Level I I [Member]
Line of Credit Facility [Line Items]
Interest rate spread		0.75%		1.25%
Commitment fee					0.20%
Wells Fargo Level I I I [Member]
Line of Credit Facility [Line Items]
Interest rate spread		1.50%		1.00%
Commitment fee					0.15%
Wells Fargo [Member]
Line of Credit Facility [Line Items]
Revolver term							5 years
Maximum facility amount										$ 20,000,000
Outstanding revolver		$ 0			$ 0
Outstanding letters of credit		823,000			823,000
Available for borrowing		$ 19,177,000			$ 19,177,000
Letter of credit fee					1.00%
Applicable interest rate		6.10%			6.10%
Dividend limit		$ 249,000,000			$ 249,000,000
Covenant compliance					all