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Recently Issued Accounting Standards (Details) - USD ($)
$ in Thousands
9 Months Ended
Jan. 01, 2018
Sep. 30, 2018
Jan. 01, 2019
Jan. 01, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Amounts reclassified to accumulated other comprehensive income (loss) from retained earnings due to the stranded tax effects of the 2017 Tax Cuts and Jobs Act $ 286 $ 286    
Retained Earnings | Accounting Standards Update 2016-09, Forfeiture Rate Component        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Cumulative effect of new accounting principle in period of adoption       $ 170
Scenario, Forecast | Accounting Standards Update 2016-02 [Member]        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Operating lease, liability     $ 5,000  
Operating lease, right-of-use asset     $ 5,000