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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]      
Additions based on tax positions related to prior years $ 0    
Provision for income taxes 8,509 $ 6,620 $ 9,793
Remeasurement resulting from Tax Act     $ 3,535
California      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 7,893    
Federal      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards $ 7,571