CAPITALIZATION - Common Stock Narrative (Details)	6 Months Ended
	Jul. 31, 2020 votes $ / shares shares	Jan. 31, 2020 $ / shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Class A
Class of Stock [Line Items]
Number of voting interests per share	10
Class B
Class of Stock [Line Items]
Number of voting interests per share	10
Class C
Class of Stock [Line Items]
Number of voting interests per share	1
Conversion of Stock, Shares Issued | shares	72,727
Class D
Class of Stock [Line Items]
Number of voting interests per share	1