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Fair Value of Financial Instruments - Level 3 Liabilities (Details) - Level 3 - Recurring basis - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Agreements with Non-mark-to-market Collateral Provisions |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period | $ 440,106 | $ 441,883 | $ 578,879 | $ 628,280
Issuances | 107,230 | 418,183 | 379,625 | 418,183
Payment of principal | (145,983) | (255,345) | (557,151) | (440,487)
Change in unrealized losses | 0 | 0 | 0 | (1,255)
Balance at end of period | 401,353 | 604,721 | 401,353 | 604,721
Agreements with Mark-to-market Collateral Provisions |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period | 553,162 | 1,433,857 | 884,495 | 1,322,362
Issuances | 56,330 | 272,005 | 78,348 | 1,142,611
Payment of principal | (103,745) | (773,366) | (457,096) | (1,532,477)
Change in unrealized losses | 0 | 0 | 0 | 0
Balance at end of period | $ 505,747 | $ 932,496 | $ 505,747 | $ 932,496

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- Definition Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Principal PayDowns + References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- 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. + Details
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- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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