Convertible Senior Notes (Tables)

12 Months Ended

Dec. 31, 2019

$40M Convertible Senior Note

Debt Instrument [Line Items]

Schedule of Convertible Senior Notes

The note consisted of the following at December 31, 2019 (in thousands):

Principal amounts:
Principal at maturity	$	48,000
Unamortized debt discount		(7,400)
Unamortized debt issuance costs		(969)
Net carrying amount	$	39,631

$100M Convertible Senior Notes

Debt Instrument [Line Items]

Schedule of net proceeds from the Convertible Senior Notes

	Amount
	(in thousands)
Principal amount	$	100,000
Less initial purchasers' discount		(3,250)
Less cost of related capped call and common stock forward		(43,500)
Less other issuance costs		(894)
Net proceeds	$	52,356

Schedule of Convertible Senior Notes

The notes consisted of the following at December 31, 2019 (in thousands):

Principal amounts:
Principal	$	100,000
Unamortized debt discount (1)		(27,818)
Unamortized debt issuance costs (1)		(1,567)
Net carrying amount	$	70,615
Carrying amount of the equity component (2)	$	37,702

1) Included in the consolidated balance sheet within the $100.0 million Convertible Senior Notes, net and amortized over the remaining life of the notes using the effective interest rate method.

2) Included in the consolidated balance sheet within additional paid-in capital, net of $1.7 million in equity issuance costs and associated income tax benefit of $9.2 million.