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Available-for-Sale Securities - Narrative (Details) | Jun. 30, 2024 USD ($) position | Dec. 31, 2023 USD ($) position
--- | --- | ---
Debt Securities, Available-for-Sale [Line Items] |  |
Number of unrealized loss positions | position | 49 | 50
Number of available-for-sale securities | position | 49 | 50
Unrealized holding losses depreciation percentage from amortized cost | (19.90%) | (19.00%)
Available-for-Sale Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Allowance for credit loss | $ 0 |
U. S. Government agency and mortgage-backed securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Allowance for credit loss | 0 |
Corporate bonds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Allowance for credit loss | 0 |
Asset Pledged as Collateral | Debt Securities |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Financial instruments, owned, at fair value | $ 63,900,000 | $ 68,500,000

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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