Annual report pursuant to Section 13 and 15(d)

Income Taxes - Narratives (Details)

v3.20.4
Income Taxes - Narratives (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Operating Loss Carryforwards      
(Benefit) provision for income taxes $ (48,122) $ 39,677 $ 33,641
Net deferred tax liability 175,395 212,328  
Unrecognized tax benefit that would impact effective tax rate 7,834 8,310  
Interest and penalties from unrecognized tax positions 35 701  
Accrued penalties and interest 112 181  
Operating loss carryforward 3,678    
Net operating loss carryforwards 28,145 $ 77,062  
Federal      
Operating Loss Carryforwards      
Operating loss carryforward 62,752    
Federal | Tax Years Prior to 2014 Change in Control      
Operating Loss Carryforwards      
Operating loss carryforward 7,658    
Federal | Tax Years After 2014 Change in Control      
Operating Loss Carryforwards      
Operating loss carryforward 13,241    
State and local      
Operating Loss Carryforwards      
Operating loss carryforward 24,467    
Operating loss carryforward, valuation allowance 14,344    
Operating loss carryforward, net of valuation allowance 10,123    
Foreign      
Operating Loss Carryforwards      
Operating loss carryforward, valuation allowance 3,531    
Operating loss carryforward, net of valuation allowance 147    
Foreign | Tax Year 2019      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 68    
Foreign | Tax Year 2026      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 160    
Foreign | Indefinite      
Operating Loss Carryforwards      
Operating carryforward not subject to expiration 3,450    
Valuation Allowance of Deferred Tax Assets      
Operating Loss Carryforwards      
Net change in period $ 1,499