Long-Term Debt - Narrative (Details)			3 Months Ended		9 Months Ended
	Dec. 22, 2023 USD ($)	Mar. 19, 2021 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Line of Credit Facility [Line Items]
Outstanding letters of credit			$ 548,000		$ 548,000
Principal sum			178,816,000		178,816,000		$ 178,705,000
Debt cost amortization			45,000	$ 37,000	134,000	$ 111,000
Capitalized interest costs			705,000	$ 297,000	1,855,000	$ 986,000
Dock 79 Loan
Line of Credit Facility [Line Items]
Principal sum		$ 92,070,000
Fixed interest rate		3.03%
Loan to value (as a percent)		0.60
Minimum debt yield (as a percent)		0.075
Transfer fee (as a percent)		0.0075
Maren
Line of Credit Facility [Line Items]
Principal sum		$ 88,000,000
Fixed interest rate		3.03%
Loan to value (as a percent)		0.60
Minimum debt yield (as a percent)		0.075
Transfer fee (as a percent)		0.0075
Wells Fargo
Line of Credit Facility [Line Items]
Interest rate	2.25%
Commitment fee (as a percent)	0.35%
Wells Fargo
Line of Credit Facility [Line Items]
Debt instrument term	3 years
Maximum facility amount	$ 35,000,000
Outstanding revolver			0		0
Outstanding letters of credit			548,000		548,000
Amount available for borrowing			$ 34,452,000		$ 34,452,000
Letters of credit expiration period					1 year
Letters of credit extension period					1 year
Letter of credit fee (as a percent)	2.25%
Interest rate			7.08%		7.08%
Maximum dividends			$ 102,600,000		$ 102,600,000