Retirement Plans (401(k) Retirement Plan) (Details) - UNITED STATES - USD ($)	12 Months Ended
Jan. 31, 2020	Jan. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Virco stock held in plan	706,654	648,565
Company contributions	$ 765,000	$ 738,000
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%

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration