XML 33 R19.htm IDEA: XBRL DOCUMENT v3.21.2
Defined Severance Benefits
 9 Months Ended
Sep. 30, 2021
Retirement Benefits [Abstract]  
Defined Severance Benefits Defined Severance Benefits
Defined severance benefits are for employees of the Company’s Korean subsidiaries. The Korean subsidiaries offer defined benefits to provide severance payments to all employees that leave the Company based on employment length and pay rate.
The following table provides the components of net periodic benefit costs and the portion of these costs charged to expense:
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands)
2021202020212020
Current service costs$32,502 $18,602 $95,281 $47,781 
Interest expense854 325 2,039 965 
Amortization of:
Prior service credit23 — 69 — 
Net actuarial loss1,242 37 3,260 110 
Net periodic benefit costs charged to expense$34,621 $18,964 $100,649 $48,856