Income Taxes - Summary of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Deferred Tax Assets [Abstract]
Stock-based compensation	$ 7,633	$ 6,940
Deferred rent and lease incentives	6,994	6,007
Warranty and returns liabilities	6,857	6,602
Net operating loss carryforwards and credits	2,324	3,240
Compensation and benefits	3,699	3,315
Other	3,406	3,321
Total gross deferred tax assets	30,913	29,425
Valuation allowance	(615)	(615)
Total gross deferred tax assets after valuation allowance	30,298	28,810
Deferred Tax Liabilities [Abstract]
Property and equipment	29,912	21,475
Deferred revenue	1,749	723
Other	3,459	3,987
Total gross deferred tax liabilities	35,120	26,185
Net deferred tax assets		$ 2,625
Net deferred tax (liabilities)	$ (4,822)

Sum of tax effects of amount of excesses of tax deductions over gross income in a year which cannot be used on the in the current year but can be carried forward to reduce taxable income or income taxes payable in future year. Includes tax effect as of balance sheet date of future tax deductions arising from capital losses in excess of statutory limitations in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods in accordance with tax laws. Also includes amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

No definition available.