Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2020

$40M Convertible Senior Note

Debt Instrument [Line Items]

Schedule of Convertible Senior Notes

The note consisted of the following (in thousands):

	March 31,		December 31,
	2020		2019
Principal amounts:
Principal at maturity	$	48,000	$	48,000
Unamortized debt discount		(6,800)		(7,400)
Unamortized debt issuance costs		(891)		(969)
Net carrying amount	$	40,309	$	39,631

$100M Convertible Senior Notes

Debt Instrument [Line Items]

Schedule of Convertible Senior Notes

The notes consisted of the following (in thousands):

	March 31,		December 31,
	2020		2019
Principal amounts:
Principal	$	100,000	$	100,000
Unamortized debt discount (1)		(25,985)		(27,818)
Unamortized debt issuance costs (1)		(1,446)		(1,567)
Net carrying amount	$	72,569	$	70,615
Carrying amount of the equity component (2)	$	37,702	$	37,702

1) Included in the unaudited interim condensed consolidated balance sheets 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 unaudited interim condensed consolidated balance sheets within additional paid-in capital, net of $1.7 million in equity issuance costs and associated income tax benefit of $9.2 million.

Schedule of net proceeds from the Convertible Senior Notes

The total net proceeds from the  notes were as follows:

	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