Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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- Definition

Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Unsecured Senior Notes - Summary of Unsecured Financing Agreements (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 15, 2021	Jul. 14, 2021	Dec. 31, 2020	Nov. 02, 2020	Dec. 04, 2017	Mar. 29, 2017	Dec. 16, 2016
Unsecured Senior Notes
Unsecured Senior Notes
Long term debt, gross	$ 1,850,000	$ 1,850,000			$ 1,750,000
Unamortized deferred financing costs	(10,765)	(10,765)			(5,589)
Unsecured senior notes	1,828,590	1,828,590			1,732,520
Carrying amount of conversion option equity components recorded in additional paid-in capital for outstanding convertible notes					3,755
Convertible Senior Notes
Unsecured Senior Notes
Unamortized discount	(578)	(578)			(2,559)
Senior Notes
Unsecured Senior Notes
Unamortized discount	(10,067)	(10,067)			(9,332)
2021 Senior Notes
Unsecured Senior Notes
Coupon Rate									5.00%
Long term debt, gross	$ 0	$ 0	$ 300,000		700,000
2023 Senior Notes
Unsecured Senior Notes
Coupon Rate	5.50%	5.50%				5.50%
Effective Rate	5.71%	5.71%
Remaining Period of Amortization		1 year 9 months 18 days
Long term debt, gross	$ 300,000	$ 300,000			300,000
2023 Convertible Notes
Unsecured Senior Notes
Coupon Rate	4.38%	4.38%						4.375%
Effective Rate	4.57%	4.57%
Remaining Period of Amortization		1 year 2 months 12 days
Long term debt, gross	$ 250,000	$ 250,000			250,000
2024 Senior Notes
Unsecured Senior Notes
Coupon Rate	3.75%	3.75%	3.75%
Effective Rate	3.94%	3.94%
Remaining Period of Amortization		3 years
Long term debt, gross	$ 400,000	$ 400,000			0
2025 Senior Notes
Unsecured Senior Notes
Coupon Rate	4.75%	4.75%					4.75%
Effective Rate	5.04%	5.04%
Remaining Period of Amortization		3 years 2 months 12 days
Long term debt, gross	$ 500,000	$ 500,000			500,000
2026 Senior Notes
Unsecured Senior Notes
Coupon Rate	3.63%	3.63%		3.625%
Effective Rate	3.77%	3.77%
Remaining Period of Amortization		4 years 6 months
Long term debt, gross	$ 400,000	$ 400,000			$ 0
LIBOR \| 2025 Senior Notes
Unsecured Senior Notes
Long term debt, gross	$ 470,000	$ 470,000
Pricing margin	2.53%