Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 02, 2020	Feb. 03, 2019	Jan. 28, 2018	Jan. 31, 2017
Deferred tax assets:
Operating lease liabilities	$ 53,578
Inventories	7,485	$ 11,474
Deferred rent	0	7,415
Share-based compensation	29,639	0
Accrued expenses and reserves	10,814	10,271
Other	12,882	1,668
Net operating loss carryforwards	190,307	156,360
Total deferred tax assets	304,705	187,188
Less: valuation allowance	242,974	172,481	$ 115,143	$ 43,015
Deferred tax assets, net of valuation allowance	61,731	14,707
Deferred tax liabilities:
Operating lease right-of-use assets	44,428
Depreciation	15,681	14,707
Prepaids	1,622	0
Total deferred tax liabilities	61,731	14,707
Net deferred tax assets	$ 0	$ 0