Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v2.4.1.9
Income Taxes (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Expense (Benefit), Continuing Operations [Abstract]      
Reduction in current income taxes payable $ 12,900,000us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable $ 19,800,000us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable $ 22,700,000us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Net operating loss carryforwards 4,800,000us-gaap_OperatingLossCarryforwards    
Valuation allowance 1,577,000us-gaap_DeferredTaxAssetsValuationAllowance 1,495,000us-gaap_DeferredTaxAssetsValuationAllowance  
Unrecognized tax benefits, including interest 2,400,000us-gaap_UnrecognizedTaxBenefits 1,100,000us-gaap_UnrecognizedTaxBenefits  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 2,400,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate $ 900,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate