Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) segment $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Dec. 22, 2020 $ / shares
Number of reportable segment | segment			1
Residential condominium units-for-sale, provision for impairment	$ 0	$ 0	$ 0	$ 0
Long-lived assets, provision for impairment	0	$ 0	0	$ 0
Unrecognized tax benefits	$ 0		$ 0		$ 0
Warrants, exercise price (in dollars per share) | $ / shares	$ 4.31		$ 4.31			$ 4.50
Unamortized deferred finance costs	$ 751,000		$ 751,000
Loans Payable and Secured Line of Credit.
Unamortized deferred finance costs	170,000		170,000		2,100,000
Corporate Credit Facility
Unamortized deferred finance costs	$ 581,000		$ 581,000		$ 1,300,000
Restricted Stock
Antidilutive securities excluded from computation of earnings per share | shares			52,015	228,060
Warrant
Antidilutive securities excluded from computation of earnings per share | shares	6,429,000	6,429,000	6,429,000	6,429,000
Warrants, exercise price (in dollars per share) | $ / shares	$ 4.31	$ 4.31	$ 4.31	$ 4.31