SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($)										3 Months Ended						9 Months Ended
	Oct. 02, 2023	Sep. 15, 2023	Sep. 15, 2023	Aug. 15, 2023	Apr. 04, 2023	Jan. 11, 2023	Jan. 10, 2023	Mar. 07, 2022	Jul. 22, 2020	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Percentage of incease in common stock dividend						14.00%
Dividends paid		$ 13,400,000
Dividend paid price per share		$ 0.205
Proceed from dividend reinvestment and stock purchase plan (DRIP)																$ 2,000,000.0	$ 2,100,000
Common stock par value										$ 0.10						$ 0.10		$ 0.10
Common stock availible for sale value																$ 4,807,000	$ 3,210,000
Series D Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred stock par value										$ 0.10						$ 0.10		$ 0.10
2023 Preferred ATM Program [Member] | Series D Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred stock available for sale value										$ 55,200,000						$ 55,200,000
2023 Preferred ATM Program [Member] | Series D Preferred Stock [Member] | BRiley Securities Inc [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																2,000,000.0
Sale of stock, price per share										$ 21.99						$ 21.99
Net proceeds from sale of equity after offering expenses																$ 44,000,000.0
Gross proceeds from sale of equity after offering expenses																$ 44,800,000
Maximum [Member] | 2023 Preferred ATM Program [Member] | Series D Preferred Stock [Member] | BRiley Securities Inc [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred stock available for sale value							$ 100,000,000
DRIP [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Shares issued during the period for DRIP																452,000
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Proceed from dividend reinvestment and stock purchase plan (DRIP)																$ 6,800,000
Shares issued during the period for DRIP										137,000	151,000	164,000	130,000	78,000	72,000
Common Stock [Member] | ATM Program [Member] | B. Riley FBR, Inc [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock par value								$ 0.10
Common Stock [Member] | ATM Program [Member] | B. Riley FBR, Inc [Member] | Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock availible for sale value					$ 150,000,000			$ 150,000,000
Common Stock [Member] | Subsequent Event [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividend paid price per share	$ 0.205
Dividend payable date of record	Dec. 15, 2023
Divided date of record	Nov. 15, 2023
6.375% Series D Cumulative Redeemable Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends paid			$ 4,400,000
Dividend paid price per share			$ 0.3984375
Dividend rate declared		6.375%
Liquidation preference, per share		$ 25.00	25.00
Annual rate of dividend		1.59375
6.375% Series D Cumulative Redeemable Preferred Stock [Member] | Series D Cumulative Redeemable Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred stock par value		$ 0.10	$ 0.10
6.375% Series D Cumulative Redeemable Preferred Stock [Member] | Subsequent Event [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Divided date of record	Nov. 15, 2023
Dividend paid price per share	$ 0.3984375
Dividend payable date	Dec. 15, 2023
Stock Purchase Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reinvestment of dividend				$ 647,000												$ 2,000,000.0
Common Stock Repurchase Program [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Authorized stock repurchase, value						$ 25,000,000
2022 Common ATM Program [Member] | 2022 Distribution Agents [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																2,100,000
Sale of stock, price per share										$ 16.77						$ 16.77
Gross proceeds from sale of equity																$ 35,600,000
Net proceeds from sale of equity after offering expenses																$ 35,100,000
2023 Common ATM Program [Member] | 2023 Distribution Agents [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																5,600,000
Sale of stock, price per share										$ 15.78						$ 15.78
Gross proceeds from sale of equity																$ 88,800,000
Net proceeds from sale of equity after offering expenses																86,900,000
Common stock available for sale value										$ 61,200,000						$ 61,200,000
2023 and 2023 Common ATM Program [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																7,800,000
Sale of stock, price per share										$ 16.05						$ 16.05
Gross proceeds from sale of equity																$ 124,400,000
Net proceeds from sale of equity after offering expenses																$ 122,000,000.0
2020 Preferred ATM Program [Member] | Series D Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																126,000
Sale of stock, price per share										22.25						$ 22.25
Net proceeds from sale of equity after offering expenses																$ 2,800,000
Gross proceeds from sale of equity after offering expenses																$ 2,800,000
2020 Preferred ATM Program [Member] | B. Riley FBR, Inc [Member] | Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Preferred stock available for sale value									$ 100,000,000
2020 and 2023 Common ATM Program [Member] | Series D Preferred Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of shares issued in transaction																2,200,000
Sale of stock, price per share										$ 22.01						$ 22.01
Gross proceeds from sale of equity																$ 47,600,000
Net proceeds from sale of equity after offering expenses																$ 46,800,000
Board of Directors Chairman [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Dividends Payable, Amount Per Share						$ 0.205
Share Price							$ 0.20
Percentage of incease in common stock dividend						2.50%