Segment Reporting - Statements of Operations Metrics Reviewed by CODM to Evaluate Performance Internally or as Required under ASC 280 (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Segment Reporting Information
Net revenues	$ 957,292	$ 860,792
Gross profit	498,583	406,977
Depreciation and amortization	24,758	23,886
Share of equity method investments losses	1,375	2,095
RH Segment
Segment Reporting Information
Net revenues	908,948	819,823
Gross profit	472,822	386,553
Depreciation and amortization	23,524	22,680
Waterworks
Segment Reporting Information
Net revenues	48,344	40,969
Gross profit	25,761	20,424
Depreciation and amortization	1,234	1,206
Real Estate Development
Segment Reporting Information
Share of equity method investments losses		$ 2,100
Real Estate Investments
Segment Reporting Information
Share of equity method investments losses	$ 1,400