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Loans and Allowance for Loan Losses - Loans by risk category (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loans outstanding by loan portfolio segment and risk category
Loans	$ 1,818,042	$ 1,758,020
Pass
Loans outstanding by loan portfolio segment and risk category
Loans	1,801,587	1,736,781
Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans		480
Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	16,455	20,759
Commercial
Loans outstanding by loan portfolio segment and risk category
Loans	1,111,211	1,076,273
Commercial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	1,097,630	1,056,145
Commercial | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans		480
Commercial | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	13,581	19,648
Commercial | Commercial and industrial
Loans outstanding by loan portfolio segment and risk category
Loans	467,449	436,761
Commercial | Commercial and industrial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	463,278	430,235
Commercial | Commercial and industrial | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans		480
Commercial | Commercial and industrial | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	4,171	6,046
Commercial | Real estate construction
Loans outstanding by loan portfolio segment and risk category
Loans	41,604	40,619
Commercial | Real estate construction | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	41,604	40,619
Commercial | Commercial real estate
Loans outstanding by loan portfolio segment and risk category
Loans	602,158	598,893
Commercial | Commercial real estate | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	592,748	585,291
Commercial | Commercial real estate | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	9,410	13,602
Consumer
Loans outstanding by loan portfolio segment and risk category
Loans	706,831	681,747
Consumer | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	703,957	680,636
Consumer | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,874	1,111
Consumer | Residential | Real estate first mortgage
Loans outstanding by loan portfolio segment and risk category
Loans	522,489	510,716
Consumer | Residential | Real estate first mortgage | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	520,438	510,375
Consumer | Residential | Real estate first mortgage | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,051	341
Consumer | Residential | Real estate junior lien
Loans outstanding by loan portfolio segment and risk category
Loans	130,604	125,668
Consumer | Residential | Real estate junior lien | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	129,830	124,898
Consumer | Residential | Real estate junior lien | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	774	770
Consumer | Other revolving and installment
Loans outstanding by loan portfolio segment and risk category
Loans	53,738	45,363
Consumer | Other revolving and installment | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	53,689	$ 45,363
Consumer | Other revolving and installment | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	$ 49

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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