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Fair Value Measurement - Additional Information (Detail) - Measurement Input, Appraised Value [Member]	Sep. 30, 2025
Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing asset and other real estat owned measurement input	0
Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Servicing asset and other real estat owned measurement input	30

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- Definition

Servicing asset and other real estate owned measurement input.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
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-Topic 820
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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- Details

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