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Fair Value Disclosures - Schedule of Gain Loss on Sale of Mortgage Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Schedule Of Gain Loss On Sale Of Mortgage Loans [Abstract] |  |  |  |  |
Realized gain on sale and fees on mortgage loans | [1] | $ 4,537 | $ 3,463 | $ 10,678 | $ 9,813
Change in fair value on loans held-for-sale and IRLCs |  | (531) | (10) | 954 | 171
Change in forward mortgage-backed securities trades |  | 369 | (94) | (299) | 190
Total gain on sale of mortgage loans |  | $ 4,375 | $ 3,359 | $ 11,333 | $ 10,174
[1] | This includes gains on loans held-for-sale carried under the fair value method and lower of cost or market.

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- Definition Change in fair value on loans held for sale and Irlcs. + References No definition available. + Details
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- Definition Change in forward mortgage-backed securities trades. + References No definition available. + Details
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- Definition Realized gain on sale and fees on mortgage loans. + References No definition available. + Details
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- Definition Schedule of gain loss on sale of mortgage loans. + References No definition available. + Details
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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 1 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477409/944-310-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 2 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477409/944-310-45-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477363/944-310-50-1 + Details
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