CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Real estate investments
Property owned	$ 1,838,837	$ 1,812,557
Less accumulated depreciation	(407,400)	(399,249)
Total property owned	1,431,437	1,413,308
Mortgage loans receivable at fair value	37,457	24,661
Total real estate investments	1,468,894	1,437,969
Cash and cash equivalents	5,194	392
Restricted cash	8,444	6,918
Other assets	17,218	18,904
TOTAL ASSETS	1,499,750	1,464,183
LIABILITIES
Accounts payable and accrued expenses	52,413	55,609
Revolving lines of credit	87,000	152,871
Notes payable, net of unamortized loan costs of $714 and $754 respectively	319,286	269,246
Mortgages payable, net of unamortized loan costs of $1,220 and $1,371, respectively	287,143	297,074
TOTAL LIABILITIES	745,842	774,800
COMMITMENTS AND CONTINGENCIES (NOTE 10)
EQUITY
Common Shares of Beneficial Interest (Unlimited authorization, no par value, 14,045 shares issued and outstanding at June 30, 2021 and 13,027 shares issued and outstanding at December 31, 2020)	1,033,940	968,263
Accumulated distributions in excess of net income	(433,310)	(427,681)
Accumulated other comprehensive income (loss)	(12,064)	(15,905)
Total shareholders’ equity	682,096	618,207
Noncontrolling interests – Operating Partnership (881 units at June 30, 2021 and 977 units at December 31, 2020)	53,133	53,930
Noncontrolling interests – consolidated real estate entities	657	686
Total equity	735,886	672,823
TOTAL LIABILITIES, MEZZANINE EQUITY, AND EQUITY	1,499,750	1,464,183
Series D Preferred Units
LIABILITIES
SERIES D PREFERRED UNITS (Cumulative convertible preferred units, $100 par value, 166 units issued and outstanding at June 30, 2021 and December 31, 2020, aggregate liquidation preference of $16,560)	18,022	16,560
Series C Preferred Shares Of Beneficial Interest
EQUITY
Series C Preferred Shares of Beneficial Interest (Cumulative redeemable preferred shares, no par value, $25 per share liquidation preference, 3,881 shares issued and outstanding at June 30, 2021 and December 31, 2020, aggregate liquidation preference of $97,036)	$ 93,530	$ 93,530