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Restructuring and Other Charges (Tables)
 12 Months Ended
Dec. 31, 2017
Restructuring Charges [Abstract]  
Restructuring and other charges [Table Text Block]
 
 
Employee termination charges
 
Lease contract termination and other charges
 
Total
 
(In thousands)
Balance as of December 31, 2014
$
316

 
$
—

 
$
316

Additions (1)
4,689

 
1,257

 
5,946

Cash payments
(4,992
)
 
(4
)
 
(4,996
)
Balance as of December 31, 2015
13

 
1,253

 
1,266

Additions (1)
3,128

 
629

 
3,757

Cash payments
(2,941
)
 
(480
)
 
(3,421
)
Adjustments
(194
)
 
—

 
(194
)
Balance as of December 31, 2016
6

 
1,402

 
1,408

Additions
—

 
97

 
97

Cash payments
—

 
(370
)
 
(370
)
Balance as of December 31, 2017
$
6

 
$
1,129

 
$
1,135

_________________________
(1) 
Total restructuring and other charges recognized in the Company's consolidated statements of operations for the years ended December 31, 2016 and 2015 included non-cash charges and adjustments, net of $0.3 million and $0.5 million, respectively. These amounts have been excluded from the table above.