XML 73 R60.htm IDEA: XBRL DOCUMENT v3.19.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Line Items]        
Income before tax $ 3,306 $ (8,270) [1] $ 3,972 [1]  
Income tax expense $ 3,065 $ (33,696) [1] $ 3,668 [1]  
Effective tax rate 92.70% 407.60% 92.20%  
Increase in valuation allowance $ 2,400      
Valuation allowance 2,407 $ 0    
Unrecognized tax benefits 3,740 3,096 $ 5,253 $ 6,184
Unrecognized tax benefits that would impact effective tax rate 3,300 $ 2,700    
Federal Tax Authority        
Income Tax Disclosure [Line Items]        
Operating loss carry forwards 81,000      
Tax credit carryforward 3,900      
State Tax Jurisdiction        
Income Tax Disclosure [Line Items]        
Operating loss carry forwards 82,600      
Tax credit carryforward $ 4,900      
[1] As adjusted for the adoption of ASC 606 using the full retrospective method.