CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Real estate accumulated depreciation	$ 101,332	$ 91,715
Mortgage payable and junior subordinated notes, deferred costs	$ 6,452	$ 6,646
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)	15,175,000	15,038,000
Mortgages payable
Debt Instrument [Line Items]
Mortgage payable and junior subordinated notes, deferred costs	$ 6,100	$ 6,289
Junior subordinated notes
Debt Instrument [Line Items]
Mortgage payable and junior subordinated notes, deferred costs	$ 352	$ 357