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Convertible Notes (Schedule of Notes) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Nov. 17, 2017
Debt instrument
Less current portion	$ 0		$ 10,378
Convertible senior notes | 1.375% Convertible senior notes due 2023
Debt instrument
Face value			10,381	$ 172,500
Unamortized debt issuance costs			(3)
Total convertible notes		$ 10,400	10,378
Less current portion			10,378
Total long-term convertible notes			$ 0

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Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

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