Annual report pursuant to Section 13 and 15(d)

Income Taxes - Narratives (Details)

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Income Taxes - Narratives (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Operating Loss Carryforwards      
Provision (benefit) for income taxes $ 40,699 $ 28,995 $ (119,197)
Net deferred tax liability 198,984 177,329  
Valuation allowance, deferred tax asset, increase (decrease)   20,038  
Unremitted and no invested earnings from non- U.S subsidiaries and affiliates 255,000 168,304  
Undistributed earnings of non-US subsidiaries 0 6,648  
Unrecognized tax benefit that would impact effective tax rate 9,075 10,175  
Interest and penalties from unrecognized tax positions 701 42  
Accrued penalties and interest 381 1,088  
Operating loss carryforward 137,134    
Operating loss carryforwards utilized during the period 42,163    
Net operating loss carryforwards 106,763 116,607  
Federal      
Operating Loss Carryforwards      
Operating loss carryforward 245,138    
Federal | Tax Years Prior to 2014 Change in Control      
Operating Loss Carryforwards      
Operating loss carryforward 105,158    
Federal | Tax Years After 2014 Change in Control      
Operating Loss Carryforwards      
Operating loss carryforward 139,880    
State and local      
Operating Loss Carryforwards      
Operating loss carryforward 627,221    
Operating loss carryforward, valuation allowance 15,553    
Net operating loss carryforwards 30,170    
Operating loss carryforward, net of valuation allowance 14,617    
State and local | Tax Year 2019      
Operating Loss Carryforwards      
Operating loss carryforward 8,077    
Foreign      
Operating Loss Carryforwards      
Operating loss carryforward, valuation allowance 13,954    
Net operating loss carryforwards 32,827    
Operating loss carryforward, net of valuation allowance 18,873    
Foreign | Tax Year 2019      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 644    
Foreign | Tax Year 2026      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 1,588    
Foreign | Tax Year 2028      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 154    
Foreign | Tax Year 2029      
Operating Loss Carryforwards      
Operating carryforward subject to expiration 11,292    
Foreign | Indefinite      
Operating Loss Carryforwards      
Operating carryforward not subject to expiration 123,456    
Potters      
Operating Loss Carryforwards      
Net deferred tax liability 42,621 $ 45,251  
Valuation Allowance of Deferred Tax Assets      
Operating Loss Carryforwards      
Net change in period $ 2,585