CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (5,159)	$ (7,684)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, including amortization of capitalized loan costs	20,245	18,424
Realized (gain) loss on marketable securities	0	1,227
Unrealized (gain) loss on marketable securities	0	2,326
Share-based compensation expense	810	465
Other, net	836	206
Changes in other assets and liabilities:
Other assets	(533)	(3,602)
Accounts payable and accrued expenses	(1,244)	(5,127)
Net cash provided by (used by) operating activities	14,955	6,235
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of marketable securities	0	1,679
Increase in mortgages and notes receivable	(5,445)	(6,956)
Payments for acquisitions of real estate assets	(77,585)	(23,712)
Payments for improvements of real estate assets	(2,165)	(2,841)
Other investing activities	160	(115)
Net cash provided by (used by) investing activities	(85,035)	(31,945)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on mortgages payable	(3,566)	(1,513)
Proceeds from revolving lines of credit	105,716	41,578
Principal payments on revolving lines of credit	(77,044)	(8,656)
Proceeds from notes payable	49,940	0
Payments for acquisition of noncontrolling interests – consolidated real estate entities	0	(12,221)
Proceeds from issuance of common shares	11,782	3,352
Repurchase of Series C preferred shares	0	(3,137)
Redemption of partnership units	(9)	(14)
Distributions paid to common shareholders	(9,119)	(8,469)
Distributions paid to preferred shareholders	(1,607)	(1,705)
Distributions paid to preferred unitholders	(160)	(160)
Distributions paid to noncontrolling interests – Unitholders of the Operating Partnership	(683)	(741)
Other financing activities	(54)	(39)
Net cash provided by (used by) financing activities	75,196	8,275
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	5,116	(17,435)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	7,310	46,117
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	12,426	28,682
SUPPLEMENTARY SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Accrued capital expenditures	2,418	1,286
Operating partnership units converted to shares	(220)	(930)
Unrealized gain (loss) on marketable securities	0	(2,326)
Real estate assets acquired through exchange of note receivable	0	17,663
Note receivable exchanged through real estate acquisition	0	(17,663)
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	6,787	6,481
Total cash, cash equivalents and restricted cash	$ 12,426	$ 28,682