Reportable Segment Information - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013	Feb. 01, 2014
Segment Reporting Information [Line Items]
Total revenues	$ 246,460	$ 231,718	$ 531,193	$ 501,416
Depreciation	5,424	5,436	10,875	10,885
Interest and other income	1,099	730	1,841	1,605
Total Assets	580,111	567,413	580,111	567,413	596,918
Capital expenditures	9,851	5,001	13,967	10,606
Income Before Taxes	24,764	23,097	72,937	71,931
ReportableSegmentsMemberRetail [Member]
Segment Reporting Information [Line Items]
Total revenues	245,024	230,163	528,281	498,242
Depreciation	5,412	5,427	10,850	10,863
Interest and other income	1,099	730	1,841	1,605
Total Assets	513,174	501,281	513,174	501,281
Capital expenditures	9,851	5,001	13,967	10,606
Income Before Taxes	24,188	22,474	71,879	70,808
ReportableSegmentsMemberCredit [Member]
Segment Reporting Information [Line Items]
Total revenues	1,436	1,555	2,912	3,174
Depreciation	12	9	25	22
Interest and other income	0	0	0	0
Total Assets	66,937	66,132	66,937	66,132
Capital expenditures	0	0	0	0
Income Before Taxes	$ 576	$ 623	$ 1,058	$ 1,123