Fair Value - Summary of Financial Assets and Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Oct. 28, 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)	$ 10	$ 2
State and Municipal Obligations (included in Securities Available for Sale)	3,284	6,723
Total assets	3,294	6,725
Swap Contracts (included in Other Liabilities)	915
Earnout Liability (included in Other Liabilities)	916
Total liabilities	1,831
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)	10	2
Total assets	10	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)	3,284	6,723
Total assets	3,284	$ 6,723
Swap Contracts (included in Other Liabilities)	915
Total liabilities	915
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Earnout Liability (included in Other Liabilities)	916
Total liabilities	$ 916