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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Effective tax rate 24.10% 24.90% 16.20%
Reduction of deferred tax liability     $ 70,400
Federal statutory income tax rate 21.00% 21.00% 35.00%
Increase (decrease) in other deferred liability $ 17,200    
Net operating loss carryforwards 71,724 $ 74,213  
Operating Loss Carryforwards [Line Items]      
Valuation allowance, amount 57,790 56,925  
Unrecognized tax benefits 0 0  
State Tax Net Operating Losses      
Operating Loss Carryforwards [Line Items]      
Valuation allowance, amount $ 49,400 $ 49,100  
Percent of deferred tax asset for which valuation allowance has been recognized 100.00% 100.00%  
Foreign Tax Net Operating Losses      
Operating Loss Carryforwards [Line Items]      
Valuation allowance, amount $ 8,400 $ 7,800  
Percent of deferred tax asset for which valuation allowance has been recognized 38.00% 31.00%