Loans and Allowance for Credit Losses - Loans - Non-accrual Loans by Classes of the Loan Portfolio Including Loans Acquired With Credit Deterioration (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	$ 1,692	$ 1,678
Financing receivable, no allowance	8,697	12,538
Financing receivable, recorded investment, nonaccrual status	10,389	14,216
Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	449	454
Financing receivable, no allowance	4,139	6,133
Financing receivable, recorded investment, nonaccrual status	4,588	6,587
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	1,202	1,222
Financing receivable, no allowance	1,156	64
Financing receivable, recorded investment, nonaccrual status	2,358	1,286
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	0	0
Financing receivable, no allowance	0	2,559
Financing receivable, recorded investment, nonaccrual status	0	2,559
Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	41	2
Financing receivable, no allowance	3,402	3,782
Financing receivable, recorded investment, nonaccrual status	3,443	3,784
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivable, with allowance	0	0
Financing receivable, no allowance	0	0
Financing receivable, recorded investment, nonaccrual status	$ 0	$ 0