DISTRIBUTIONS TO COMMON STOCKHOLDERS - Dividends Declared (Details) - $ / shares  | 
6 Months Ended | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2022  | 
Aug. 31, 2022  | 
Jul. 29, 2022  | 
Jun. 30, 2022  | 
Jun. 15, 2022  | 
May 31, 2022  | 
Apr. 29, 2022  | 
Sep. 30, 2021  | 
Sep. 15, 2021  | 
Aug. 31, 2021  | 
Jul. 30, 2021  | 
Jun. 30, 2021  | 
Jun. 17, 2021  | 
May 28, 2021  | 
Apr. 30, 2021  | 
Sep. 30, 2022  | 
Sep. 30, 2021  | 
|
| Equity [Abstract] | |||||||||||||||||
| Common stock dividends paid (in USD per share) | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.120 | $ 0.075 | $ 0.075 | $ 0.070 | $ 0.030 | $ 0.070 | $ 0.070 | $ 0.070 | $ 0.060 | $ 0.070 | $ 0.070 | $ 0.570 | $ 0.510 | 
| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- References No definition available. 
  |