Retirement Plans (401(k) Retirement Plan) (Details) - UNITED STATES - USD ($)	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Virco stock held in plan	915,542	706,654
Company contributions	$ 774,000	$ 765,000
Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Participant deferral percentage allowance	1.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Participant deferral percentage allowance	75.00%