Segment Reporting - Summary of Balance Sheet Metrics Reviewed by CODM to Evaluate Performance Internally (Detail) - USD ($) $ in Thousands	Jul. 29, 2017	Jan. 28, 2017
Segment Reporting Information [Line Items]
Goodwill	$ 175,592	$ 173,603
Trademarks and domain names	100,663	100,624
Total assets	1,819,409	2,192,520
RH Segment [Member]
Segment Reporting Information [Line Items]
Goodwill	124,448	124,374
Trademarks and domain names	48,563	48,524
Total assets	1,665,328	2,040,346
Waterworks [Member]
Segment Reporting Information [Line Items]
Goodwill	51,144	49,229
Trademarks and domain names	52,100	52,100
Total assets	$ 154,081	$ 152,174