CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Real estate accumulated depreciation	$ 39,259	$ 36,467
Deferred mortgage costs	$ 1,589	$ 1,277
Preferred shares, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred shares, authorized (in shares)	2,000,000	2,000,000
Preferred shares, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	300,000,000	300,000,000
Common stock, outstanding (in shares)	17,632,000	17,349,000
Mortgages payable
Debt Instrument [Line Items]
Deferred mortgage costs	$ 1,297	$ 980
Junior subordinated notes
Debt Instrument [Line Items]
Deferred mortgage costs	$ 292	$ 297