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Loans and Allowance for Loan and Lease Losses - Narrative (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) Loan	Dec. 31, 2021 USD ($) Loan	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases, net of unearned interest	$ 4,000	$ 6,300
Allowance for loan and lease losses	18,480	14,597	$ 16,876	$ 14,233	$ 14,716	$ 13,382
Loans and leases receivable, net, carrying amount	3,303,977	3,089,799
Financing receivable, modifications, recorded investment	$ 543	$ 819
Number of troubled debt restructured loans | Loan	0	0
Nonaccruing | Six Loans With Four Relationships
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment	$ 148
Nonaccruing | Eight Loans With Six Relationships
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment		$ 384
PPP Loans | Small Business Administration
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and leases receivable, net, carrying amount	2,800	111,300
Commercial real estate | Commercial portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses	12,522	9,415	11,991	8,962	9,977	8,655
Financing receivable, modifications, recorded investment	120	320
Commercial real estate | Commercial portfolio | Nonaccruing | Two Borrowers
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment		320
Commercial real estate | Consumer | Nonaccruing
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment	120
Commercial real estate - construction | Commercial portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses	51	38	46	133	130	134
Financing receivable, modifications, recorded investment		22
Commercial real estate - construction | Commercial portfolio | Nonaccruing
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment		22
Commercial and industrial | Commercial portfolio
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses	4,549	3,439	3,671	3,370	3,165	3,066
Financing receivable, modifications, recorded investment		5
Commercial and industrial | Commercial portfolio | Nonaccruing
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment		5
Residential mortgage | Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses	573	459	$ 502	$ 490	$ 499	$ 429
Financing receivable, modifications, recorded investment	423	472
Residential mortgage | Consumer | Accruing | Two Unrelated Borrowers
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment	396	435
Residential mortgage | Consumer | Nonaccruing
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing receivable, modifications, recorded investment	$ 27	$ 37

X

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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