Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.20.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Tax Credit Carryforward [Line Items]    
Effective tax rate (212.00%) 6.30%
Annual usage limitation $ 135  
Addition to valuation allowance 23,015  
Valuation allowance 29,731 $ 5,816
Accrued expenses related to income taxes payable 33 23
Federal    
Tax Credit Carryforward [Line Items]    
Net operating loss carryforwards 85,830  
State    
Tax Credit Carryforward [Line Items]    
Net operating loss carryforwards 79,644  
Whitney Automotive Group (WAG) | Federal    
Tax Credit Carryforward [Line Items]    
Net operating loss carryforwards 2,106  
Other non-current liabilities | Foreign Tax Authority    
Tax Credit Carryforward [Line Items]    
Income taxes payable $ 662 $ 614