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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill	$ 26,826	$ 26,826
Intangible amortization	1,525	1,671	$ 629
Net assets acquired	6,583	7,594
Accumulated amortization of intangibles	6,325	4,495
Mortgage servicing asset	29,000	16,500
Core Deposits [Member]
Goodwill [Line Items]
Net assets acquired	5,296	6,718
Accumulated amortization of intangibles	4,330	2,908
Loan Servicing Assets Included In Other Amortization Intangibles [Member]
Goodwill [Line Items]
Accumulated amortization of intangibles	876	362
Loan Servicing Assets Included In Interest And Fees On Loans [Member]
Goodwill [Line Items]
Intangible amortization	820	$ 266
Accumulated amortization of intangibles	$ 306

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