XML 44 R31.htm IDEA: XBRL DOCUMENT

Debt - (Tables)

9 Months Ended

Sep. 30, 2020

Debt Instrument, Redemption [Line Items]

Summary of liability for sale of future royalties

The following table shows the activity within the “liability for sale of future royalties- current” and “liability for sale of future royalties- noncurrent” accounts for the three and nine month periods ended September 30, 2020:


		Three Months Ended September 30,			Nine Months Ended September 30,
Liability for sale of future royalties- (current and noncurrent)		2020			2020
Beginning balance		$	—		$	—
Proceeds from sale of future royalties			650,000			650,000
Less: Non-cash royalty revenue payable to RPI			(299)			(299)
Plus: Non-cash interest expense recognized			14,557			14,557
Ending balance		$	664,258		$	664,258
Effective interest rate for the period			11.0	%		11.0	%

1.50% Convertible senior notes due 2026

Debt Instrument, Redemption [Line Items]

Summary of convertible notes


Liability component		September 30, 2020			December 31, 2019
Principal		$	287,500		$	287,500
Less: Debt issuance costs			(4,192)			(4,567)
Less: Debt discount, net(1)			(109,563)			(119,350)
Net carrying amount		$	173,745		$	163,583

Summary of interest expense recognized related to the Convertible Notes


		Three Months Ended September 30,							Nine Months Ended September 30,
		2020				2019			2020				2019
Contractual interest expense		$	1,081		$	130			$	3,223		$	130
Amortization of debt issuance costs			127			15				374			15
Amortization of debt discount			3,313			391				9,786			391
Total		$	4,521		$	536			$	13,383		$	536
Effective interest rate of the liability component			10.2	%		10.2	%			10.2	%		10.2	%

3.00% Convertible senior notes due 2022

Debt Instrument, Redemption [Line Items]

Summary of convertible notes


Liability component		September 30, 2020			December 31, 2019
Principal		$	150,000		$	150,000
Less: Debt issuance costs			(986)			(1,329)
Less: Debt discount, net (1)			(19,794)			(26,686)
Net carrying amount		$	129,220		$	121,985

Summary of interest expense recognized related to the Convertible Notes


		Three Months Ended September 30,						Nine Months Ended September 30,
		2020			2019			2020			2019
Contractual interest expense		$	1,131		$	1,134		$	3,375		$	3,375
Amortization of debt issuance costs			118			106			343			308
Amortization of debt discount			2,372			2,137			6,892			6,192
Total		$	3,621		$	3,377		$	10,610		$	9,875
Effective interest rate of the liability component			11.0	%		11.0	%		11.0	%		11.0	%