CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Real estate properties, net of accumulated depreciation	$ 36,467	$ 30,837
Deferred mortgage costs	$ 1,277	$ 880
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, issued (in shares)	17,349,000	16,432,000
Mortgages
Debt Instrument [Line Items]
Deferred mortgage costs	$ 980	$ 563
Junior subordinated notes
Debt Instrument [Line Items]
Deferred mortgage costs	$ 297	$ 317