XML 148 R97.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Line Items]      
Deferred Tax Benefit Expense Valuation Allowance Adj Capital Loss Carryforwards $ 0 $ 1,000 $ 5,000
excess foreign tax credits repatriation 6,400    
Deferred Tax Benefit Expense Unremitted Earnings FCTA 500 2,200  
Benefit from the tax incentives   $ 100 $ 100
Benefit from the tax incentives, per share   $ 0.00 $ 0.00
Valuation allowance 12,694 $ 13,344  
Balance of unrecognized state tax positions 800    
State And Foreign Net Operating Loss Carryforwards      
Income Taxes [Line Items]      
Operating Loss Carryforwards 4,900 1,600  
Valuation allowance 1,500 1,500 $ 2,800
Excess Capital Losses From Investments And Other Related Items      
Income Taxes [Line Items]      
Valuation allowance 10,900 11,200 11,400
Asset Impairments In Foreign Jurisdictions      
Income Taxes [Line Items]      
Valuation allowance $ 0 $ 900 $ 400
Terphane Ltda      
Income Taxes [Line Items]      
Income tax rate 6.25%    
Current effective tax rate 15.25%    
Percentage of social contribution on income included in current effective tax rate 9.00%    
Brazilian      
Income Taxes [Line Items]      
Federal statutory income tax rate 34.00%    
Income tax rate 25.00%    
Percentage of social contribution on income included in federal statutory income tax rate 9.00%    
Minimum      
Income Taxes [Line Items]      
Net Operating Loss Carrforward Expiration Period 5 years    
Maximum      
Income Taxes [Line Items]      
Net Operating Loss Carrforward Expiration Period 8 years