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Financing Agreements - Financing Agreements (Details) $ in Thousands		3 Months Ended
	Apr. 04, 2022	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Financing Agreements [Line Items]
Unpaid Principal Balance				$ 7,293,716	$ 6,377,370
Fair value / Carrying Value				7,132,366	6,378,782
Stock split ratio, common stock	0.25	0.25	0.25
6.25% Convertible Senior Notes | Convertible Debt
Financing Agreements [Line Items]
Stock split ratio, common stock	0.25
Fair Value
Financing Agreements [Line Items]
Unpaid Principal Balance				4,353,324	3,254,300
Amortized Cost Balance				4,349,122	3,267,981
Fair value / Carrying Value				4,199,458	3,266,773
Carrying Value
Financing Agreements [Line Items]
Unpaid Principal Balance				2,940,392	3,123,070
Fair value / Carrying Value				2,932,908	3,112,009
Securitized debt | Fair Value
Financing Agreements [Line Items]
Unpaid Principal Balance				2,477,584	1,304,912
Amortized Cost Balance				2,473,382	1,318,593
Fair value / Carrying Value				2,323,718	1,316,131
Securitized debt | Carrying Value
Financing Agreements [Line Items]
Unpaid Principal Balance				1,054,817	1,340,583
Fair value / Carrying Value				1,050,998	1,334,342
Agreements with mark-to-market collateral provisions | Fair Value
Financing Agreements [Line Items]
Unpaid Principal Balance				1,433,857	627,026
Amortized Cost Balance				1,433,857	627,026
Fair value / Carrying Value				1,433,857	628,280
Agreements with mark-to-market collateral provisions | Carrying Value
Financing Agreements [Line Items]
Unpaid Principal Balance				1,191,708	1,240,510
Fair value / Carrying Value				1,191,566	1,239,937
Agreements with Non-mark-to-market Collateral Provisions | Fair Value
Financing Agreements [Line Items]
Unpaid Principal Balance				441,883	1,322,362
Amortized Cost Balance				441,883	1,322,362
Fair value / Carrying Value				441,883	1,322,362
Agreements with Non-mark-to-market Collateral Provisions | Carrying Value
Financing Agreements [Line Items]
Unpaid Principal Balance				463,878	311,977
Fair value / Carrying Value				463,204	311,260
Convertible senior notes | Carrying Value
Financing Agreements [Line Items]
Unpaid Principal Balance				229,989	230,000
Fair value / Carrying Value				$ 227,140	$ 226,470

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770

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