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Restructuring Costs (Tables)
 3 Months Ended
Mar. 31, 2020
Restructuring and Related Activities [Abstract]  
Restructuring and related costs
The following table shows the restructuring costs incurred by type of activity:
 
Three months ended
(in thousands)
March 31,
2020
 
March 31,
2019
Personnel related costs
$
5,076

 
$
—

Asset impairments
638

 
—

Total restructuring costs
$
5,714

 
$
—

 
 
 
 
Schedule of restructuring reserve liabilities by type
The rollforward of these liabilities to March 31, 2020 were as follows:
 
Three months ended March 31, 2020
(in thousands)
Accrued compensation and related costs
 
Other accrued liabilities
 
Total
Beginning balance, December 31, 2019
$
342

 
$
472

 
$
814

Additions
5,076

 
—

 
5,076

Adjustments to accruals
(372
)
 
(467
)
 
(839
)
Cash payments
(1,264
)
 
—

 
(1,264
)
Ending balance, March 31, 2020
$
3,782

 
$
5

 
$
3,787