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Restructuring (Tables)
9 Months Ended
Sep. 30, 2019
Restructuring And Related Activities [Abstract]  
Schedule of Major Components of Restructuring Costs The major components of our restructuring costs are summarized as follows

Components of Restructuring Costs

 

Total Restructuring

Costs Expected to

be Incurred

 

 

Restructuring Costs

Incurred for the

Nine Months Ended

September 30, 2019

 

 

Remaining to be Incurred

 

Severance and other termination benefits

 

$

6,389

 

 

$

5,635

 

 

$

754

 

Stock-based compensation expense (a)

 

 

4,122

 

 

 

4,122

 

 

 

-

 

Accelerated depreciation

 

 

2,957

 

 

 

2,957

 

 

 

-

 

Total restructuring cost

 

$

13,468

 

 

$

12,714

 

 

$

754

 

 

(a)

As a result of accelerated vesting of stock awards and the extension of exercise period of stock options

Schedule of Components of the Restructuring Liabilities

The outstanding restructuring liabilities are included in accrued liabilities on the condensed consolidated balance sheets. As of September 30, 2019, the components of the restructuring liabilities were as follows (in thousands):

 

 

Severance and Other

Termination Benefits

 

Balance at December 31, 2018

$

-

 

Severance and other termination benefits

 

5,635

 

Cash payments or settlements

 

(2,289

)

Balance at September 30, 2019

$

3,346