Employee Benefits (Details) - Schedule of Non-Vested Restricted Stock Award Activity - USD ($) shares in Thousands, $ / shares in Thousands, $ in Thousands	6 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Schedule of Non-Vested Restricted Stock Award Activity [Abstract]
Non-Vested Shares, Beginning of Period	28,576	38,036
Weighted Average Grant Date Fair Value, Beginning of Period (in Dollars)	$ 2,193	$ 2,935
Weighted Average Vesting Term, Beginning of Period	2 years	2 years
Non-Vested Shares, Granted	6,158	9,442
Weighted Average Grant Date Fair Value, Granted (in Dollars per share)	$ 416	$ 662
Non-Vested Shares, Vested	15,029	18,902
Weighted Average Grant Date Fair Value, Vested (in Dollars)	$ 1,211	$ 1,404
Non-Vested Shares, End of Period	19,705	28,576
Weighted Average Grant Date Fair Value, End of Period (in Dollars)	$ 1,398	$ 2,193
Weighted Average Vesting Term, End of Period	2 years	2 years