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Fair Value - Summary of Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($)
$ in Thousands
Jul. 29, 2017
Jan. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Funds (included in Cash and Cash Equivalents) $ 24 $ 2
State and Municipal Obligations (included in Securities Available for Sale) 5,131 6,723
Total assets 5,155 6,725
Swap Contracts (included in Other Liabilities) 1,066  
Earnout Liability (included in Other Liabilities) 1,247  
Total liabilities 2,313  
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money Market Funds (included in Cash and Cash Equivalents) 24 2
Total assets 24 2
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
State and Municipal Obligations (included in Securities Available for Sale) 5,131 6,723
Total assets 5,131 $ 6,723
Swap Contracts (included in Other Liabilities) 1,066  
Total liabilities 1,066  
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Earnout Liability (included in Other Liabilities) 1,247  
Total liabilities $ 1,247