Consolidated Statements of Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 30, 2022	Apr. 30, 2022	Jul. 31, 2021	May 01, 2021	Jul. 30, 2022	Jul. 31, 2021
Statement of Stockholders' Equity [Abstract]
Tax Effect of Unrealized Gains (Losses) On Available-For-Sale Securities	$ (18)	$ (362)	$ (44)	$ (40)	$ (343)	$ (85)
Stock Transactions, Parenthetical Disclosures [Abstract]
Dividends per share	$ 0.17	$ 0.17	$ 0.11	$ 0

Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration