Loans and Allowance for Credit Losses - Loans, Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	$ 18,419	$ 8,728
Related Allowance for Credit Losses	1,963	22
Amortized Cost of Collateral Dependent Loans with no related Allowance	8,567	8,689
Commercial And Industrial [Member]
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	9,308	7,981
Related Allowance for Credit Losses	1,392
Amortized Cost of Collateral Dependent Loans with no related Allowance	6,198	7,981
Energy
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	288	618
Amortized Cost of Collateral Dependent Loans with no related Allowance	288	618
Commercial real estate - owner-occupied
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	204
Amortized Cost of Collateral Dependent Loans with no related Allowance	204
Commercial real estate - non-owner-occupied
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	8,440	92
Related Allowance for Credit Losses	571
Amortized Cost of Collateral Dependent Loans with no related Allowance	1,698	92
Residential real estate
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans	179
Amortized Cost of Collateral Dependent Loans with no related Allowance	$ 179
Consumer
Financing Receivable, Impaired [Line Items]
Amortized Cost of Collateral Dependent Loans		39
Related Allowance for Credit Losses		$ 22