Revenues - Summary of Rent Revenues (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag	Base rents	Base rents
Above (below) market lease amortization, net	$ 336,000	$ 1,080,000
Credit adjustments on operating lease receivables	711,000	(539,000)
Total rental revenues	34,632,000	34,297,000
Base rents
Disaggregation of Revenue [Line Items]
Base Rents and revenue	23,902,000	23,997,000
Expense recoveries - variable lease revenue
Disaggregation of Revenue [Line Items]
Base Rents and revenue	7,705,000	8,001,000
Percentage rent - variable lease revenue
Disaggregation of Revenue [Line Items]
Base Rents and revenue	479,000	531,000
Rental revenues
Disaggregation of Revenue [Line Items]
Straight-line rents	854,000	77,000
Above (below) market lease amortization, net	336,000	896,000
Total revenues	33,276,000	33,502,000
Total rental revenues	$ 33,987,000	$ 32,963,000