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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount, before allowance for credit loss, of financing receivable.

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Loans and Allowance for Loan Losses - Past due aging analysis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Past due aging analysis of loans
Nonaccrual	$ 2,076	$ 5,050
Loans and Leases Receivable, Gross, Total	1,758,020	1,979,375
Interest income foregone on nonaccrual loans	300	500	$ 400
30 - 89 Days Past Due
Past due aging analysis of loans
Loans	2,226	5,010
90 Days or More Past Due
Past due aging analysis of loans
Loans	121	30
Current
Past due aging analysis of loans
Loans	1,753,597	1,969,285
Commercial
Past due aging analysis of loans
Nonaccrual	1,966	4,419
Loans and Leases Receivable, Gross, Total	1,076,273	1,299,316
Commercial \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	168	2,949
Commercial \| 90 Days or More Past Due
Past due aging analysis of loans
Loans	121	30
Commercial \| Current
Past due aging analysis of loans
Loans	1,074,018	1,291,918
Commercial \| Commercial and industrial
Past due aging analysis of loans
Nonaccrual	1,337	1,988
Loans and Leases Receivable, Gross, Total	436,761	691,858
Commercial \| Commercial and industrial \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	168	500
Commercial \| Commercial and industrial \| 90 Days or More Past Due
Past due aging analysis of loans
Loans	121	30
Commercial \| Commercial and industrial \| Current
Past due aging analysis of loans
Loans	435,135	689,340
Commercial \| Real estate construction
Past due aging analysis of loans
Loans and Leases Receivable, Gross, Total	40,619	44,451
Commercial \| Real estate construction \| Current
Past due aging analysis of loans
Loans	40,619	44,451
Commercial \| Commercial real estate
Past due aging analysis of loans
Nonaccrual	629	2,431
Loans and Leases Receivable, Gross, Total	598,893	563,007
Commercial \| Commercial real estate \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans		2,449
Commercial \| Commercial real estate \| Current
Past due aging analysis of loans
Loans	598,264	558,127
Consumer
Past due aging analysis of loans
Nonaccrual	110	631
Loans and Leases Receivable, Gross, Total	681,747	680,059
Consumer \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	2,058	2,061
Consumer \| Current
Past due aging analysis of loans
Loans	679,579	677,367
Consumer \| Residential \| Real estate first mortgage
Past due aging analysis of loans
Nonaccrual	21	439
Loans and Leases Receivable, Gross, Total	510,716	463,370
Consumer \| Residential \| Real estate first mortgage \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	1,770	1,752
Consumer \| Residential \| Real estate first mortgage \| Current
Past due aging analysis of loans
Loans	508,925	461,179
Consumer \| Residential \| Real estate junior lien
Past due aging analysis of loans
Nonaccrual	89	165
Loans and Leases Receivable, Gross, Total	125,668	143,416
Consumer \| Residential \| Real estate junior lien \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	167	191
Consumer \| Residential \| Real estate junior lien \| Current
Past due aging analysis of loans
Loans	125,412	143,060
Consumer \| Other revolving and installment
Past due aging analysis of loans
Nonaccrual		27
Loans and Leases Receivable, Gross, Total	45,363	73,273
Consumer \| Other revolving and installment \| 30 - 89 Days Past Due
Past due aging analysis of loans
Loans	121	118
Consumer \| Other revolving and installment \| Current
Past due aging analysis of loans
Loans	$ 45,242	$ 73,128