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Fair Value of Assets and Liabilities - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Leased asset impairments | $ 0 | $ 0 | $ 0 | $ 0
Fixed asset impairments | $ 0 | $ 0 | $ 0 | 0
Minimum | Interest-only strips | Trading Securities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write down percentage based on time in default | 20.00% |  | 20.00% |
Maximum | Interest-only strips | Trading Securities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Write down percentage based on time in default | 100.00% |  | 100.00% |
Level 3 |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Fair value, asset (liability), unrealized gain (loss), OCI |  |  | $ 0 | $ 0

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- Definition Debt Securities, Available For Sale, Excluding Accrued Interest, Write Down Percentage Based On Time In Default + References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in other comprehensive income (OCI) from asset (liability) measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479365/842-20-25-6 + Details
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