CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Real estate investments
Property owned	$ 1,883,407	$ 1,812,557
Less accumulated depreciation	(408,014)	(399,249)
Total property owned	1,475,393	1,413,308
Mortgage loans receivable at fair value	30,107	24,661
Total real estate investments	1,505,500	1,437,969
Cash and cash equivalents	10,816	392
Restricted cash	1,610	6,918
Other assets	18,427	18,904
TOTAL ASSETS	1,536,353	1,464,183
LIABILITIES
Accounts payable and accrued expenses	53,852	55,609
Revolving lines of credit	181,544	152,871
Notes payable, net of unamortized loan costs of $764 and $754 respectively	319,236	269,246
Mortgages payable, net of unamortized loan costs of $1,292 and $1,371, respectively	293,709	297,074
TOTAL LIABILITIES	848,341	774,800
COMMITMENTS AND CONTINGENCIES (NOTE 10)
EQUITY
Common Shares of Beneficial Interest (Unlimited authorization, no par value, 13,220 shares issued and outstanding at March 31, 2021 and 13,027 shares issued and outstanding at December 31, 2020)	980,453	968,263
Accumulated distributions in excess of net income	(443,409)	(427,681)
Accumulated other comprehensive income (loss)	(12,798)	(15,905)
Total shareholders’ equity	617,776	618,207
Noncontrolling interests – Operating Partnership (950 units at March 31, 2021 and 977 units at December 31, 2020)	53,007	53,930
Noncontrolling interests – consolidated real estate entities	669	686
Total equity	671,452	672,823
TOTAL LIABILITIES, MEZZANINE EQUITY, AND EQUITY	1,536,353	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 March 31, 2021 and December 31, 2020, aggregate liquidation preference of $16,560)	16,560	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 March 31, 2021 and December 31, 2020, aggregate liquidation preference of $97,036)	$ 93,530	$ 93,530