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Qualified Affordable Housing Project Investments - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Investments in Affordable Housing Projects [Abstract]
Qualified affordable housing project investments	$ 3,900	$ 2,400
Funded commitments related to the investments in qualified affordable housing projects		$ 4,000
Unfunded commitments related to the investments in qualified affordable housing projects	1,400
Amortization expense recognized with qualified affordable housing project	110
Affordable housing tax credits from other tax benefits	$ 108
Impairment losses related to investments in qualified affordable housing projects	no

X

- Definition

Funded commitments related to the investments in qualified affordable housing projects.

+ References

No definition available.

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- Definition

Unfunded commitments related to the investments in qualified affordable housing projects.

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- Definition

Description of write-down from impairment of an investment in a qualified affordable housing project.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)
-SubTopic 740
-Topic 323
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481543/323-740-50-2

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- Definition

Amount of affordable housing tax credits and other tax benefits recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 323
-SubTopic 740
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481543/323-740-50-2

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- Definition

Amount of amortization expense of investment in qualified affordable housing projects.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 323
-SubTopic 740
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481543/323-740-50-2

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Amount of commitment or contingent commitments to qualified affordable housing project investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 323
-SubTopic 740
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481543/323-740-50-2

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