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Loans and Leases and Allowance for Loan and Lease Losses - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) property loan	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) loan property segment	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) loan
Financing Receivable, Modifications [Line Items]
Loan portfolio segments | segment			6
Troubled debt restructuring	$ 0	$ 0	$ 0	$ 0
Number of loans modified as troubled debt restructurings with subsequent default | loan			0
Provision (recovery) charged to expense	974,000	1,149,000	$ 3,230,000	1,211,000
Allowance for loan losses	$ 22,769,000		$ 22,769,000		$ 19,352,000
Percentage of allowance for credit losses to aggregate loans	0.73%		0.73%		0.72%
Consumer Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of properties in other real estate owned | property	0		0
Provision (recovery) charged to expense	$ 166,000	$ 205,000	$ 26,000	$ 96,000
Mortgage loans in process of foreclosure	3		3
Trouble Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring	$ 108,000		$ 108,000		$ 206,000
Number of contracts, nonaccrual | loan	0		0		0

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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