EARNINGS PER SHARE - Cumulative Preferred Stock dividends (Details) - $ / shares	9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Prior Cumulative Preferred Stock - Series A
Class of Stock [Line Items]
Total dividends in arrears	$ 19	$ 19
Prior Cumulative Preferred Stock - Series B
Class of Stock [Line Items]
Total dividends in arrears	19	19
Cumulative Preferred Stock - Series A
Class of Stock [Line Items]
Total dividends in arrears	74	73
Cumulative Preferred Stock - Series B
Class of Stock [Line Items]
Total dividends in arrears	$ 74	$ 73