Leases, Codification Topic 842 (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term	10 years
Financing Lease [Member]
Lessee, Lease, Description [Line Items]
Finance Lease, Right-of-Use Asset, Amortization	$ 413
Finance Lease, Interest Expense	21
Lessee, total financing lease costs	434
Operating Lease [Member]
Lessee, Lease, Description [Line Items]
Operating Lease, Cost	1,536
Short-term Lease, Cost	446
Total Operating Lease Cost	1,982
Leasing Arrangement [Member]
Lessee, Lease, Description [Line Items]
Lease, Cost, Total	$ 2,416
Maximum
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Term of Contract	6 years