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SCHEDULE OF DIVIDEND DECLARED AND PAID ON SERIES C PREFERRED STOCK (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Class of Stock [Line Items]      
Dividend $ 33,419 $ 26,474 $ 18,774
Dividend per Share $ 0.34 $ 0.27 $ 0.20
Series C Preferred Stock [Member]      
Class of Stock [Line Items]      
Dividend $ 33,023 $ 25,839 $ 18,465
Dividend per Share $ 1.53125 $ 1.53125 $ 1.53125
Dividend Distribution One [Member] | Series C Preferred Stock [Member]      
Class of Stock [Line Items]      
Declaration Date Oct. 01, 2020 Oct. 01, 2019 Oct. 01, 2018
Record Date Nov. 16, 2020 Nov. 15, 2019 Nov. 15, 2018
Payment date Dec. 15, 2020 Dec. 16, 2019 Dec. 17, 2018
Dividend $ 7,775 $ 5,873 $ 4,415
Dividend per Share $ 0.3828125 $ 0.3828125 $ 0.3828125
Dividend Distribution Two [Member] | Series C Preferred Stock [Member]      
Class of Stock [Line Items]      
Declaration Date Jan. 14, 2021 Jan. 16, 2020 Jan. 16, 2019
Record Date Feb. 16, 2021 Feb. 18, 2020 Feb. 15, 2019
Payment date Mar. 15, 2021 Mar. 16, 2020 Mar. 15, 2019
Dividend $ 8,416 $ 6,572 $ 4,424
Dividend per Share $ 0.3828125 $ 0.3828125 $ 0.3828125
Dividend Distribution Three [Member] | Series C Preferred Stock [Member]      
Class of Stock [Line Items]      
Declaration Date Apr. 01, 2021 Apr. 01, 2020 Apr. 02, 2019
Record Date May 17, 2021 May 15, 2020 May 15, 2019
Payment date Jun. 15, 2021 Jun. 15, 2020 Jun. 17, 2019
Dividend $ 8,416 $ 6,583 $ 4,681
Dividend per Share $ 0.3828125 $ 0.3828125 $ 0.3828125
Dividend Distribution Four [Member] | Series C Preferred Stock [Member]      
Class of Stock [Line Items]      
Declaration Date Jul. 01, 2021 Jul. 01, 2020 Jul. 01, 2019
Record Date Aug. 16, 2021 Aug. 17, 2020 Aug. 15, 2019
Payment date Aug. 31, 2021 Sep. 15, 2020 Sep. 16, 2019
Dividend $ 8,416 $ 6,811 $ 4,945
Dividend per Share $ 0.3828125 $ 0.3828125 $ 0.3828125