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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Goodwill [Line Items]
Goodwill	$ 26,826		$ 26,826		$ 26,826	[1]
Accumulated amortization of intangibles	5,929		5,929		4,495
Amortization of intangibles	377	$ 451	1,160	$ 1,259
Mortgage servicing asset	29,900		29,900		16,500
Loan Servicing Assets Included in Other Amortization Intangibles [Member]
Goodwill [Line Items]
Accumulated amortization of intangibles	943		943		$ 362
Loan Servicing Assets Included in Interest and Fees on Loans [Member]
Goodwill [Line Items]
Accumulated amortization of intangibles	$ 274		274
Amortization of intangibles			$ 856
Minimum [Member]
Goodwill [Line Items]
Amortization of intangible assets			5 years
Maximum [Member]
Goodwill [Line Items]
Amortization of intangible assets			12 years
[1] Derived from audited December 31, 2021 Consolidated Financial Statements.

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