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Loans - Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Schedule of Financing Receivables [Line Items]
Loans	$ 1,788,355	$ 1,647,649	$ 1,588,264
Percentage of loans receivable, by type	100.00%	100.00%	100.00%
Commercial |    Real estate
Schedule of Financing Receivables [Line Items]
Loans	$ 617,488	$ 576,198	$ 527,415
Percentage of loans receivable, by type	34.50%	35.00%	33.20%
Commercial |    Construction
Schedule of Financing Receivables [Line Items]
Loans	$ 128,927	$ 79,365	$ 65,794
Percentage of loans receivable, by type	7.20%	4.80%	4.10%
Commercial |    Other
Schedule of Financing Receivables [Line Items]
Loans	$ 275,714	$ 264,570	$ 298,747
Percentage of loans receivable, by type	15.40%	16.10%	18.80%
Municipal
Schedule of Financing Receivables [Line Items]
Loans	$ 46,835	$ 48,362	$ 41,079
Percentage of loans receivable, by type	2.60%	2.90%	2.60%
Residential |    Construction
Schedule of Financing Receivables [Line Items]
Loans	$ 44,011	$ 31,763	$ 29,818
Percentage of loans receivable, by type	2.50%	1.90%	1.90%
Residential |    Term
Schedule of Financing Receivables [Line Items]
Loans	$ 582,313	$ 550,783	$ 523,344
Percentage of loans receivable, by type	32.60%	33.40%	33.00%
Home equity line of credit
Schedule of Financing Receivables [Line Items]
Loans	$ 71,711	$ 73,632	$ 77,709
Percentage of loans receivable, by type	4.00%	4.50%	4.90%
Consumer
Schedule of Financing Receivables [Line Items]
Loans	$ 21,356	$ 22,976	$ 24,358
Percentage of loans receivable, by type	1.20%	1.40%	1.50%

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- Definition

Reflects the break down of the gross carrying amount of all categories of loans and leases held in the portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases as a percentage of total portfolio.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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