CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Shares	Paid-in Capital	Accumulated Distributions in Excess of Earnings	Total Beneficial Interest	Noncontrolling Interest in Operating Partnership	Noncontrolling Interest in Partially Owned Properties	Accumulated Other Comprehensive Income (Loss)	Total
Beginning Balance at Dec. 31, 2018		$ 122,624	$ (24,741)	$ 97,883	$ 183,360	$ 2,538	$ (30)	$ 283,751
Beginning Balance (in shares) at Dec. 31, 2018	8,967
Shares/units redeemed		(197)		(197)	(629)			(826)
Shares/units redeemed (in shares)	(11)
Dividends declared			(2,374)	(2,374)	(4,661)			(7,035)
Dividends reinvested - stock dividend		1,479		1,479				$ 1,479
Dividends reinvested - stock dividend (in shares)	82							82,000
Issuance of shares under optional purchase plan		929		929				$ 929
Issuance of shares under optional purchase plan (in shares)	49
Change in fair value of interest rate swaps							4	4
Net income			1,288	1,288	2,532	(30)		3,790
Ending balance at Mar. 31, 2019		124,835	(25,827)	99,008	180,602	2,508	(26)	282,092
Ending balance (in shares) at Mar. 31, 2019	9,087
Beginning Balance at Dec. 31, 2019		131,261	(28,888)	102,373	174,221	2,416	37	$ 279,047
Beginning Balance (in shares) at Dec. 31, 2019	9,436							9,436,000
Contribution of assets in exchange for the issuance of noncontrolling interest shares					9,031			$ 9,031
Shares/units redeemed		(696)		(696)	(541)			(1,237)
Shares/units redeemed (in shares)	(38)
Dividends declared			(2,527)	(2,527)	(4,831)			(7,358)
Dividends reinvested - stock dividend		1,584		1,584				$ 1,584
Dividends reinvested - stock dividend (in shares)	87							87,000
Issuance of shares under optional purchase plan		1,203		1,203				$ 1,203
Issuance of shares under optional purchase plan (in shares)	62
Change in fair value of interest rate swaps							(1,486)	(1,486)
Net income			1,813	1,813	3,419	(5)		5,227
Ending balance at Mar. 31, 2020		$ 133,352	$ (29,602)	$ 103,750	$ 181,299	$ 2,411	$ (1,449)	$ 286,011
Ending balance (in shares) at Mar. 31, 2020	9,547							9,547,000