Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Preferred Stock [Member] Series C Preferred Stock [Member]	Preferred Stock [Member] Series D Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Non-Controlling Interest in Consolidated Subsidiary [Member]	Total
Beginning balance, value at Dec. 31, 2020	$ 4,192	$ 247,100	$ 160,854	$ 115,026	$ (25,364)		$ 501,808
Beginning balance, shares at Dec. 31, 2020	41,920
Common Stock Issued with the DRIP	$ 24	0	0	3,838	0		3,862
Common Stock Issued with the DRIP, shares	239
Common Stock Issued through Restricted Stock Awards	$ 30	0	0	(30)	0		0
Common Stock Issued through Restricted Stock Awards, shares	297
Common Stock Issued through Stock Options	$ 21	0	0	2,567	0		2,588
Common Stock Issued through Stock Options, shares	215
Common Stock Issued in connection with At-The-Market Offerings, net	$ 35	0	0	6,550	0		6,585
Common Stock Issued in connection with At-The-Market Offerings, net, shares	352
Distributions	$ 0	0	0	(1,209)	(13,878)		(15,087)
Stock Compensation Expense	0	0	0	750	0		750
Net Income (Loss)	0	0	0	0	13,878		13,878
Preferred Stock Issued in connection with At-The-Market Offerings, net	0	0	31,591	(727)	0		30,864
Ending balance, value at Mar. 31, 2021	$ 4,302	247,100	192,445	126,765	(25,364)		545,248
Ending balance, shares at Mar. 31, 2021	43,023
Beginning balance, value at Dec. 31, 2020	$ 4,192	247,100	160,854	115,026	(25,364)		501,808
Beginning balance, shares at Dec. 31, 2020	41,920
Net Income (Loss)							34,078
Ending balance, value at Sep. 30, 2021	$ 4,866	247,100	215,219	227,814	(25,364)		669,635
Ending balance, shares at Sep. 30, 2021	48,658
Beginning balance, value at Mar. 31, 2021	$ 4,302	247,100	192,445	126,765	(25,364)		545,248
Beginning balance, shares at Mar. 31, 2021	43,023
Common Stock Issued with the DRIP	$ 7	0	0	1,469	0		1,476
Common Stock Issued with the DRIP, shares	70
Common Stock Issued through Stock Options	$ 40	0	0	4,683	0		4,723
Common Stock Issued through Stock Options, shares	400
Common Stock Issued in connection with At-The-Market Offerings, net	$ 390	0	0	77,727	0		78,117
Common Stock Issued in connection with At-The-Market Offerings, net, shares	3,894
Distributions	$ 0	0	0	(226)	(16,003)		(16,229)
Stock Compensation Expense	0	0	0	774	0		774
Net Income (Loss)	0	0	0	0	16,003		16,003
Preferred Stock Issued in connection with At-The-Market Offerings, net	0	0	22,774	(425)	0		22,349
Ending balance, value at Jun. 30, 2021	$ 4,739	247,100	215,219	210,767	(25,364)		652,461
Ending balance, shares at Jun. 30, 2021	47,387
Common Stock Issued with the DRIP	$ 9	0	0	2,037	0		2,046
Common Stock Issued with the DRIP, shares	91
Common Stock Issued through Stock Options	$ 7	0	0	986	0		993
Common Stock Issued through Stock Options, shares	73
Common Stock Issued in connection with At-The-Market Offerings, net	$ 111	0	0	25,708	0		25,819
Common Stock Issued in connection with At-The-Market Offerings, net, shares	1,107
Distributions	$ 0	0	0	(12,419)	(4,197)		(16,616)
Stock Compensation Expense	0	0	0	735	0		735
Net Income (Loss)	0	0	0	0	4,197		4,197
Ending balance, value at Sep. 30, 2021	$ 4,866	247,100	215,219	227,814	(25,364)		669,635
Ending balance, shares at Sep. 30, 2021	48,658
Beginning balance, value at Dec. 31, 2021	$ 5,165	247,100	215,219	300,020	(25,364)	$ 0	742,140
Beginning balance, shares at Dec. 31, 2021	51,651
Common Stock Issued with the DRIP	$ 7	0	0	1,667	0	0	1,674
Common Stock Issued with the DRIP, shares	72
Common Stock Issued through Restricted Stock Awards	$ 11	0	0	(11)	0	0	0
Common Stock Issued through Restricted Stock Awards, shares	114
Common Stock Issued through Stock Options	$ 8	0	0	985	0	0	993
Common Stock Issued through Stock Options, shares	78
Common Stock Issued in connection with At-The-Market Offerings, net	$ 159	0	0	38,210	0	0	38,369
Common Stock Issued in connection with At-The-Market Offerings, net, shares	1,585
Distributions	$ 0	0	0	(14,731)	(3,275)	0	(18,006)
Stock Compensation Expense	0	0	0	1,169	0	0	1,169
Net Income (Loss)	0	0	0	0	3,275	0	3,275
Ending balance, value at Mar. 31, 2022	$ 5,350	247,100	215,219	327,309	(25,364)	0	769,614
Ending balance, shares at Mar. 31, 2022	53,500
Beginning balance, value at Dec. 31, 2021	$ 5,165	247,100	215,219	300,020	(25,364)	0	742,140
Beginning balance, shares at Dec. 31, 2021	51,651
Net Income (Loss)							(8,631)
Ending balance, value at Sep. 30, 2022	$ 5,514	0	215,407	313,806	(25,364)	2,189	511,552
Ending balance, shares at Sep. 30, 2022	55,138
Beginning balance, value at Mar. 31, 2022	$ 5,350	247,100	215,219	327,309	(25,364)	0	769,614
Beginning balance, shares at Mar. 31, 2022	53,500
Common Stock Issued with the DRIP	$ 8	0	0	1,332	0	0	1,340
Common Stock Issued with the DRIP, shares	78
Common Stock Issued through Restricted Stock Awards	$ 0	0	0	0	0	0	0
Common Stock Issued through Restricted Stock Awards, shares	4
Common Stock Issued through Stock Options	$ 23	0	0	2,197	0	0	2,220
Common Stock Issued through Stock Options, shares	226
Common Stock Issued in connection with At-The-Market Offerings, net	$ 86	0	0	19,781	0	0	19,867
Common Stock Issued in connection with At-The-Market Offerings, net, shares	857
Distributions	$ 0	0	0	(33,363)	14,873	0	(18,490)
Stock Compensation Expense	0	0	0	1,132	0	0	1,132
Net Income (Loss)	0	0	0	0	(6,688)	0	(6,688)
Preferred Stock Called for Redemption	0	(247,100)	0	8,185	(8,185)	0	(247,100)
Ending balance, value at Jun. 30, 2022	$ 5,467	0	215,219	326,573	(25,364)	0	521,895
Ending balance, shares at Jun. 30, 2022	54,665
Common Stock Issued with the DRIP	$ 12	0	0	2,331	0	0	2,343
Common Stock Issued with the DRIP, shares	130
Common Stock Issued through Restricted Stock Awards	$ 1	0	0	(1)	0	0	0
Common Stock Issued through Restricted Stock Awards, shares	6
Common Stock Issued through Stock Options	$ 10	0	0	972	0	0	982
Common Stock Issued through Stock Options, shares	100
Common Stock Issued in connection with At-The-Market Offerings, net	$ 24	0	0	4,493	0	0	4,517
Common Stock Issued in connection with At-The-Market Offerings, net, shares	237
Distributions	$ 0	0	0	(22,095)	5,157	0	(16,938)
Stock Compensation Expense	0	0	0	1,611	0	0	1,611
Net Income (Loss)	0	0	0	0	(5,157)	(61)	(5,218)
Preferred Stock Issued in connection with At-The-Market Offerings, net	0	0	188	(78)	0	0	110
Investment from Non-Controlling Interest	0	0	0	0	0	2,250	2,250
Ending balance, value at Sep. 30, 2022	$ 5,514	$ 0	$ 215,407	$ 313,806	$ (25,364)	$ 2,189	$ 511,552
Ending balance, shares at Sep. 30, 2022	55,138