v3.21.1
Leases - Schedule of operating and finance leases (Details) - USD ($)
$ in Thousands
Jan. 31, 2021
Feb. 01, 2020
Jan. 31, 2020
Leases [Abstract]      
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:Liabilities    
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Property and equipment, net of accumulated depreciation and amortization of $40,148 and $35,551    
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Long-term debt and finance lease liabilities    
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long term debt and finance lease liabilities    
Lease right-of-use assets $ 2,654 [1] $ 2,741 $ 0 [1]
Lease liabilities, current [1] 1,087   0
Lease liabilities, noncurrent [1] 1,899   0
Total operating lease liabilities 2,986    
Property and equipment, at cost 19,933    
Accumulated depreciation (10,389)   (7,724)
Property and equipment, net 9,544    
Lease liabilities (included in Current portion of debt and finance leases) 3,820    
Lease liabilities, noncurrent (included in Long-term debt and finance leases) 5,882    
Total finance lease liabilities $ 9,702   $ 3,612
[1] Figures as of January 31, 2021 reflect the Company's February 1, 2020 adoption of Accounting Standards Codification No. 842, Leases (ASC 842). For additional details, see Note 3(ac), "Summary of significant accounting policies — Impact of recently adopted accounting pronouncements."