Loans and Allowance for Loan Losses - Amortized cost basis of loans on nonaccrual status loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Nonaccrual with no Allowance for Credit Losses	$ 120
Nonaccrual	2,118	$ 3,794
Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,693	3,074
Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual with no Allowance for Credit Losses	120
Nonaccrual	425	720
Commercial and industrial | Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual	357	1,162
Real estate construction | Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual	440	440
Commercial real estate | Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual	896	1,472
Other revolving and installment | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual	1	1
Real estate first mortgage | Residential | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual with no Allowance for Credit Losses	120
Nonaccrual	$ 424	535
Real estate junior lien | Residential | Consumer
Financing Receivable, Past Due [Line Items]
Nonaccrual		$ 184