Exchangeable Senior Notes (Tables)

12 Months Ended

Dec. 31, 2020

Schedule of Information about Carrying Amount of Equity Component, Principal Amount of Liability Component, Unamortized Discount and Net Carrying Amount for Notes

Information about the 2015 Notes, including the total carrying amounts of the equity component, the principal amount of the liability component, the unamortized discount and net carrying amount, was as follows for the periods indicated:


	December 31, 2020		December 31, 2019
Carrying amount of equity component	$	—	$	22,597


Principal amount of liability component	$	—	$	575,000

Unamortized discount - equity component	—		(3,675)


Unamortized debt issuance costs	—		(1,812)
Net carrying amount of liability component	$	—	$	569,513

Summary of Amount of Interest Cost Recognized Relating to Contractual Interest Rate and Amortization of Discount on Liability Component of Notes

The amount of interest cost recognized relating to the contractual interest rate and the amortization of the discount on the liability component for the Notes were as follows for the periods indicated:


	For the Year Ended December 31,
	2020		2019		2018
Contractual interest	$	13,476	$	17,968	$	18,106
Amortization of discount	3,675		4,742		4,687
Total interest expense recognized	$	17,151	$	22,710	$	22,793

Summary of Repurchase of Debt

Information about the repurchases is as follows:


	For the Year Ended December 31,
	2020		2019		2018
Principal amount repurchased	$	575,000	$	—	$	49,259

Amount allocated to:
Extinguishment of liability component	$	575,000	$	—	$	49,019
Reacquisition of equity component	—		—		31,251
Total consideration paid for repurchase	$	575,000	$	—	$	80,270
Exchangeable senior notes repurchased	$	575,000	$	—	$	49,259
Extinguishment of liability component	(575,000)		—		(49,019)
Discount on exchangeable senior notes	—		—		(230)
Related debt issuance costs	—		—		(10)
Gain/(loss) on repurchase	$	—	$	—	$	—