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Debt (Tables)
 12 Months Ended
Dec. 31, 2019
Debt Disclosure [Abstract]  
Summary Of Equity and Liability Components of the Notes
The following table summarizes information about the equity and liability components of the 2024 notes (in thousands): 
 
December 31, 2019
Principal amount of 2024 Notes outstanding
$
80,000

Unamortized discount (including unamortized debt issuance cost)
(18,955
)
Total notes payable
$
61,045

 
 
Equity component of notes
$
17,624

Less: Deferred tax liability
(4,065
)
Less: Issuance costs
(1,094
)
Capital in excess of Par Value
$
12,465