v3.22.4
INDEBTEDNESS (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Schedule of long-term debt instruments
The components of indebtedness were as follows as of December 31, 2022 (in thousands, except percentages):
IndebtednessEffective Interest RatePrincipal AmountUnamortized Debt Discount and Issuance CostsNet Carrying Amount
0.50% 2026 Convertible Notes due on June 1, 2026
0.98 %$1,437,500 $(23,339)$1,414,161 
3.38% 2028 Senior Notes due on October 1, 2028
3.57 %1,000,000 (10,022)989,978 
3.63% 2031 Senior Notes due on October 1, 2031
3.77 %1,000,000 (10,691)989,309 
Total$3,437,500 $(44,052)$3,393,448 
The components of indebtedness were as follows as of December 31, 2021 (in thousands, except percentages):
IndebtednessEffective Interest RatePrincipal AmountUnamortized Debt Discount and Issuance CostsNet Carrying Amount
0.50% 2026 Convertible Notes due on June 1, 2026
0.98 %$1,437,500 $(29,436)$1,408,064 
3.38% 2028 Senior Notes due on October 1, 2028
3.57 %1,000,000 (11,565)988,435 
3.63% 2031 Senior Notes due on October 1, 2031
3.77 %1,000,000 (11,704)988,296 
Total$3,437,500 $(52,705)$3,384,795 
Interest expense disclosure
The following table summarizes the interest expense for the 2026 Convertible Notes, the 2028 Senior Notes and the 2031 Senior Notes (in thousands):
Year Ended December 31,
202220212020
Coupon interest$77,235 $24,129 $— 
Amortization of debt discount and issuance costs8,653 5,031 — 
Total$85,888 $29,160 $—