Loans and Allowance for Loan Losses - Loans by risk category (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Loans outstanding by loan portfolio segment and risk category
Loans	$ 2,318,231	$ 1,758,020
Pass
Loans outstanding by loan portfolio segment and risk category
Loans	2,301,081	1,736,781
Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	3,904	480
Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	13,246	20,759
Commercial
Loans outstanding by loan portfolio segment and risk category
Loans	1,472,938	1,076,273
Commercial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	1,458,772	1,056,145
Commercial | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	3,840	480
Commercial | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	10,326	19,648
Commercial | Commercial and industrial
Loans outstanding by loan portfolio segment and risk category
Loans	564,655	436,761
Commercial | Commercial and industrial | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	559,647	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	5,008	6,046
Commercial | Real estate construction
Loans outstanding by loan portfolio segment and risk category
Loans	89,215	40,619
Commercial | Real estate construction | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	89,215	40,619
Commercial | Commercial real estate
Loans outstanding by loan portfolio segment and risk category
Loans	819,068	598,893
Commercial | Commercial real estate | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	809,910	585,291
Commercial | Commercial real estate | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	3,840
Commercial | Commercial real estate | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	5,318	13,602
Consumer
Loans outstanding by loan portfolio segment and risk category
Loans	845,293	681,747
Consumer | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	842,309	680,636
Consumer | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	64
Consumer | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,920	1,111
Consumer | Residential | Real estate first mortgage
Loans outstanding by loan portfolio segment and risk category
Loans	649,818	510,716
Consumer | Residential | Real estate first mortgage | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	647,517	510,375
Consumer | Residential | Real estate first mortgage | Special Mention
Loans outstanding by loan portfolio segment and risk category
Loans	64
Consumer | Residential | Real estate first mortgage | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	2,237	341
Consumer | Residential | Real estate junior lien
Loans outstanding by loan portfolio segment and risk category
Loans	143,681	125,668
Consumer | Residential | Real estate junior lien | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	143,006	124,898
Consumer | Residential | Real estate junior lien | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	675	770
Consumer | Other revolving and installment
Loans outstanding by loan portfolio segment and risk category
Loans	51,794	45,363
Consumer | Other revolving and installment | Pass
Loans outstanding by loan portfolio segment and risk category
Loans	51,786	$ 45,363
Consumer | Other revolving and installment | Substandard
Loans outstanding by loan portfolio segment and risk category
Loans	$ 8