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Servicing - Summary of Mortgage Servicing Rights Capitalized and Amortized (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Servicing Asset at Amortized Cost [Line Items]
Beginning of Year	$ 5,656
End of Year	5,805		$ 5,656
Valuation Allowance	(48)		(97)
Mortgage Servicing Rights [Member]
Servicing Asset at Amortized Cost [Line Items]
Beginning of Year	5,753	$ 5,655	5,655
Capitalized Additions	276	75
Amortization	(176)	(168)
End of Year	5,853	5,562	$ 5,753
Valuation Allowance	(48)	(7)
Mortgage Servicing Rights net, March 31	$ 5,805	$ 5,555

X

- Definition

Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
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X

- Definition

Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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- Definition

Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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- Definition

Amount of increase (decrease) in the amortized amount from a decrease (increase) in the valuation allowance applied to the servicing asset for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

+ References

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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.

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