v3.26.1
Fair Value - Schedule of Company's Long-Term Debt Including the Current Portion Not Reflected in Financial Statements at Fair Value (Detail) - USD ($)
$ in Thousands
Apr. 30, 2026
Jan. 31, 2026
Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-Term debt and related current maturities $ 20,723 $ 21,565
Fair Value [Member] | Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-Term debt and related current maturities 20,723 21,565
Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-Term debt and related current maturities $ 20,605 $ 21,436