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Fair Value Measurement - Additional Information (Detail) | 9 Months Ended |
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Sep. 30, 2024 USD ($) investmentSecurity | Sep. 30, 2023 USD ($)
Fair Value Disclosures [Abstract] |  |
Number of investment securities classified as level 3 (in investment securities) | investmentSecurity | 0 |
Transfers between levels | $ 0 | $ 0
Carrying value of loans fully charged-off | $ 0 |

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- Definition Number of Investment Securities Classified as Level 3 + References No definition available. + Details
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- Definition Amount of restricted investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477220/954-210-45-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478600/954-210-50-2 + Details
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