XML 54 R43.htm IDEA: XBRL DOCUMENT v3.19.2
Liabilities - Restructuring Accruals (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
employee
Jun. 30, 2019
USD ($)
Jun. 30, 2018
USD ($)
Restructuring Accruals        
Number of employees terminated | employee   40    
Restructuring charges $ 616 $ 2,917 $ 2,046 $ 5,612
Restructuring accruals roll forward        
Balance at the beginning of the period     2,213  
Provision     2,046  
Payments     (2,923)  
Balance at the end of the period 1,336   1,336  
Personnel severance and related costs        
Restructuring accruals roll forward        
Balance at the beginning of the period     2,143  
Provision     1,910  
Payments     (2,717)  
Balance at the end of the period $ 1,336   1,336  
Facility Related Costs and Other        
Restructuring accruals roll forward        
Balance at the beginning of the period     70  
Provision     136  
Payments     $ (206)