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Debt | 3 Months Ended
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Mar. 31, 2026
Debt Disclosure [Abstract] |
Debt | Debt 2028 Convertible Senior Notes On January 11, 2021, the Company completed the sale of $345.0 million of Convertible Senior Notes with a stated interest rate of 0.25% and a maturity date of January 15, 2028 (the “2028 Convertible Notes”), unless earlier converted, redeemed, or repurchased. The last reported sales price of the Company’s common stock was not greater than or equal to 130.0% of the conversion price of the 2028 Convertible Notes on at least 20 of the last 30 consecutive trading days of the quarter ended December 31, 2025. Based on the terms of the 2028 Convertible Notes, the holders could not have converted all or a portion of their 2028 Convertible Notes in the first quarter of 2026. The last reported sales price of the Company’s common stock was not greater than or equal to 130.0% of the conversion price of the 2028 Convertible Notes on at least 20 of the last 30 consecutive trading days of the quarter ended March 31, 2026. Based on the terms of the 2028 Convertible Notes, the holders cannot convert all or a portion of their 2028 Convertible Notes in the second quarter of 2026. The value of the 2028 Convertible Notes, if converted, does not exceed the principal amount based on a closing stock price of $7.42 on March 31, 2026. The interest expense recognized on the 2028 Convertible Notes includes $0.2 million, $0.4 million and $8,600 for the contractual coupon interest, the amortization of the debt discount and the amortization of the debt issuance costs, respectively, for the three months ended March 31, 2026. The interest expense recognized on the 2028 Convertible Notes includes $0.2 million, $0.4 million and $8,600 for the contractual coupon interest, the amortization of the debt discount and the amortization of the debt issuance costs, respectively, for the three months ended March 31, 2025. The effective interest rate on the 2028 Convertible Notes is 0.70%, which includes the interest on the 2028 Convertible Notes and amortization of the debt discount and debt issuance costs. The 2028 Convertible Notes bear interest at a rate of 0.25% per annum, payable semi-annually in arrears on January 15 and July 15 of each year, beginning on July 15, 2021. At March 31, 2026, the estimated fair value (Level 2) and net carrying amount of the 0.25% Convertible Senior Notes due 2028 was $315.7 million and $342.2 million, respectively. At December 31, 2025, the estimated fair value (Level 2) and net carrying amount of the 0.25% Convertible Senior Notes due 2028 was $307.1 million and $341.9 million, respectively. 2025 Convertible Senior Notes On May 4, 2020, the Company completed the sale of $201.3 million of Convertible Senior Notes with a stated interest rate of 1.25% and a maturity date of May 1, 2025 (the “2025 Convertible Notes”), unless earlier converted, redeemed, or repurchased. On May 1, 2025, the Company paid the outstanding principal balance on the 2025 Convertible Notes of $201.3 million and outstanding interest of $1.3 million. The interest expense recognized on the 2025 Convertible Notes includes $0.6 million, $0.3 million and $39,000 for the contractual coupon interest, the amortization of the debt discount and the amortization of the debt issuance costs, respectively, for the three months ended March 31, 2025. There were no such amounts for the three months ended March 31, 2026. The effective interest rate on the 2025 Convertible Notes was 1.96%, which included the interest on the 2025 Convertible Notes and amortization of the debt discount and debt issuance costs. The 2025 Convertible Notes bore interest at a rate of 1.25% per annum, payable semi-annually in arrears on May 1 and November 1 of each year, which began on November 1, 2020.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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