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Restructuring and Related Activities (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring and Related Costs
For the years ended December 31, 2020, 2019, and 2018, total restructuring charges consist of the following components:
Years Ended December 31,
(in thousands)202020192018
Severance charges$15,645 $1,097 $(273)
Lease termination charges7,117 — 136 
Asset impairment charges3,374 — 86 
Other charges855 133 — 
Total restructuring charges$26,991 $1,230 $(51)
Schedule of Restructuring Reserve by Type of Cost
The following table presents aggregate activity associated with accruals that resulted from the restructuring charges recorded during the year ended December 31, 2020.
(in thousands)Severance ChargesLease Termination ChargesTotal
Balance at December 31, 2019$1,085 $940 $2,025 
Accruals for voluntary and involuntary termination benefits15,645  15,645 
Accruals for lease terminations 7,117 7,117 
Payments(7,511)(2,065)(9,576)
Balance at December 31, 2020$9,219 $5,992 $15,211