Current report filing

Income Tax - Additional Information (Detail)

v3.21.2
Income Tax - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]    
Unrecognized tax benefits that would impact effective tax rate $ 7,787 $ 8,080
Interest and penalties from unrecognized tax position 37 111
Accrued penalties and interest 0 $ 38
Operating loss carryforwards 0  
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]    
Operating Loss Carryforwards [Line Items]    
Net change in period 1,934  
Domestic Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 62,752  
Domestic Tax Authority [Member] | Tax Years Priorto 2014 Change in Control Member [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 7,658  
Domestic Tax Authority [Member] | Tax Years After2014 Change In Control Member [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 13,241  
State and Local Jurisdiction [Member]    
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 24,467  
Operating Loss Carryforwards, Valuation Allowance 14,344  
Operating loss carryforwards, net of valuation allowance $ 10,123