Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Goodwill [Line Items]
Goodwill	$ 26,826		$ 26,826	[1]
Intangible amortization	355	$ 397
Accumulated amortization of intangibles	6,767		6,325
Mortgage servicing asset	27,100		29,000
Loan Servicing Assets Included in Other Amortization Intangibles [Member]
Goodwill [Line Items]
Accumulated amortization of intangibles	843		$ 876
Loan Servicing Assets Included in Interest and Fees on Loans [Member]
Goodwill [Line Items]
Intangible amortization	55
Accumulated amortization of intangibles	$ 87	$ 39
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, 2022 Consolidated Financial Statements.