Long-Term Debt - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018
Debt Disclosure [Abstract]
Contractual interest	$ 2,475	$ 2,067	$ 4,817	$ 4,121
Amortization of debt discount	86	94	174	190
Amortization of debt issuance costs	36	39	73	79
Total interest expense	$ 2,597	$ 2,200	$ 5,064	$ 4,390

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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