Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021
OPERATING ACTIVITIES
Net income	$ 7,474	$ 34,705
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	5,554	6,179
Provision for customer credit losses	145	246
Purchase premium and premium amortization of investments	607	(1,410)
Share-based compensation	2,028	1,906
Loss on disposal of property and equipment	93	283
Changes in operating assets and liabilities which provided (used) cash:
Accounts receivable	30,837	1,202
Merchandise inventories	8,314	12,081
Prepaid and other assets	(24)	(66)
Operating lease right-of-use assets and liabilities	(1,207)	(2,035)
Accrued income taxes	5,168	2,058
Accounts payable, accrued expenses and other liabilities	(42,013)	26,808
Net cash provided by operating activities	16,976	81,957
INVESTING ACTIVITIES
Expenditures for property and equipment	(10,384)	(1,125)
Purchase of short-term investments	(28,385)	(113,454)
Sales of short-term investments	48,917	49,696
Net cash provided by (used in) investing activities	10,148	(64,883)
FINANCING ACTIVITIES
Dividends paid	(7,270)	(2,488)
Repurchase of common stock	(9,596)	(6,483)
Proceeds from employee stock purchase plan	147	147
Net cash used in financing activities	(16,719)	(8,824)
Net increase in cash, cash equivalents, and restricted cash	10,405	8,250
Cash, cash equivalents, and restricted cash at beginning of period	23,678	21,022
Cash, cash equivalents, and restricted cash at end of period	34,083	29,272
Supplemental Cash Flow Information [Abstract]
Accrued other assets and property and equipment	751	410
Accrued treasury stock	$ 0	$ 194