Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2021

Long-Term Debt

Schedule of long-term debt

Long-term debt consisted of the following items (in thousands):

	December 31,
	2020		2021
Credit Facility (a)	$	1,017,000		—
5.125% senior notes due 2022 (b)		660,516		—
5.625% senior notes due 2023 (c)		574,182		—
5.00% senior notes due 2025 (d)		590,000		584,635
8.375% senior notes due 2026 (e)		—		325,000
7.625% senior notes due 2029 (f)		—		584,000
5.375% senior notes due 2030 (g)		—		600,000
4.25% convertible senior notes due 2026 (h)		287,500		81,570
Total principal		3,129,198		2,175,205
Unamortized discount, net		(111,886)		(27,772)
Unamortized debt issuance costs		(15,719)		(21,989)
Long-term debt	$	3,001,593		2,125,444

4.25% convertible senior notes due 2026

Long-Term Debt

Schedule of long-term debt

The 2026 Convertible Notes consist of the following (in thousands):

	December 31,
	2020		2021
Liability component:
Principal	$	287,500		81,570
Less: unamortized note discount		(112,265)		(27,772)
Less: unamortized debt issuance costs		(5,852)		(1,592)
Net carrying value	$	169,383		52,206
Equity component (1)	$	115,601		32,799

(1) As of December 31, 2020, the equity component attributable to the outstanding 2026 Convertible Notes was recorded in additional paid-in capital, net of $3 million of issuance costs and $28 million of deferred taxes. As of December 31, 2021, the equity component attributable to the outstanding 2026 Convertible Notes was recorded in additional paid-in capital net of $1 million of issuance costs and $8 million of deferred taxes.