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Investments - Allowance for Credit Loss on Beneficial Interests (Details) - Investment in beneficial interests - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]
Allowance for expected credit losses, beginning balance	$ (9,082)	$ 0	$ (6,880)	$ 0
Reclassification to non-credit discount from the allowance for changes in payment expectations	857	0	1,773	0
Net change in the allowance for credit losses	(857)	0	(3,975)	0
Allowance for expected credit losses, ending balance	$ (9,082)	$ 0	$ (9,082)	$ 0

X

- Definition

Debt Securities, Available-for-sale, Allowance for Credit Loss, Incremental Adjustment

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

Debt Securities, Available-for-sale, Allowance for Credit Loss, Reversal (Expense) of Provisions For Credit Losses

+ References

No definition available.

+ Details

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- Definition

Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479106/326-30-50-9

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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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