Retirement Plans (401(k) Retirement Plan) (Details) - UNITED STATES - USD ($)	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Virco stock held in plan	1,077,995	915,542
Company contributions	$ 867,000	$ 774,000
Minimum
Defined Benefit Plan Disclosure [Line Items]
Participant deferral percentage allowance	1.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Participant deferral percentage allowance	75.00%