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Restructuring Charges (Tables)
 9 Months Ended
Sep. 30, 2017
Restructuring Charges [Abstract]  
Restructuring and Related Costs [Table Text Block]
The following table summarizes the details of changes in our restructuring-related accrual for the period ending September 30, 2017 (in thousands):

 
Accrued Balance December 31, 2016
 
Charges
Incurred
 
Payments
 
Other Adjustments
 
Accrued Balance
September 30,
 2017
Severance pay and benefits
$
53

 
$
14,600

 
$
(12,010
)
 
$
(17
)
 
$
2,626

Employment agreement buyout
1,477

 
—

 
(273
)
 
—

 
1,204

Facility closure expenses
—

 
4,410

 
(2,458
)
 
(1,952
)
 
—

 
$
1,530

 
$
19,010

 
$
(14,741
)
 
$
(1,969
)
 
$
3,830