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DEBT (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Debt
The following table provides information regarding the Company’s debt:
December 31,
2022		December 31,
2021
(In thousands)
Convertible notes
Notes due 2028$575,000 $575,000 
Less: unamortized debt discount— (143,636)
Less: unamortized debt issuance costs(6,705)(5,775)
Carrying amount of Notes due 2028 (1)
568,295 425,589 
Notes due 2026632,500 632,500 
Less: unamortized debt discount— (104,755)
Less: unamortized debt issuance costs(6,307)(6,678)
Carrying amount of Notes due 2026 (1)
626,193 521,067 
Notes due 2025102,175 102,175 
Less: unamortized debt discount(10,229)(14,584)
Less: unamortized debt issuance costs(1,054)(1,539)
Carrying amount of Notes due 202590,892 86,052 
Notes due 20235,000 5,000 
Less: unamortized issuance costs(23)(62)
Carrying amount of Notes due 20234,977 4,938 
Total carrying amount of debt1,290,357 1,037,646 
Less: current portion of convertible notes(90,892)(86,052)
Debt, non-current$1,199,465 $951,594 
(1)    The net carrying amount was increased on January 1, 2022 as a result of the adoption of ASU 2020-06. Refer to Note 2. “Summary of Significant Accounting Policies,” in the notes to the consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K for further information.
The following table presents the total amount of interest cost recognized in the statement of operations relating to the Notes due 2028:
Years Ended December 31,
20222021
(In thousands)
Amortization of debt discount$— $16,401 
Amortization of debt issuance costs1,296 785 
Total interest cost recognized$1,296 $17,186 
The following table presents the total amount of interest cost recognized in the statement of operations relating to the Notes due 2026:
Years Ended December 31,
20222021
(In thousands)
Amortization of debt discount$— $18,735 
Amortization of debt issuance costs1,991 1,347 
Total interest cost recognized$1,991 $20,082 
The following table presents the total amount of interest cost recognized relating to the Notes due 2025:

Years Ended December 31,
20222021
(In thousands)
Contractual interest expense$256 $342 
Amortization of debt discount4,355 5,529 
Amortization of debt issuance costs486 661 
Total interest cost recognized$5,097 $6,532 
The following table presents the amount of interest cost recognized relating to the contractual interest coupon and the amortization of debt issuance costs of the Notes due 2023:
Years Ended December 31,
20222021
(In thousands)
Contractual interest expense$200 $200 
Amortization of debt issuance costs40 40 
Total interest costs recognized$240 $240