Loans and Allowance for Credit Losses - Loan Segments Under the Legacy Segmentation and the New Segmentation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		$ 1,455,785
Unearned loan fees, net	$ (11,500)	(11,735)
Total portfolio loans	1,413,886	1,444,050
Commercial & industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		780,058
Total portfolio loans	448,338	772,468
Commercial & industrial loans | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		619,304
Total portfolio loans		612,254
Real estate construction one-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		38,467
Total portfolio loans		38,180
Real estate construction other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		80,315
Total portfolio loans		79,403
Real estate term owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		163,597
Total portfolio loans		162,724
Real estate term non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		309,074
Total portfolio loans		307,247
Real estate term other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		46,620
Total portfolio loans		46,230
Consumer secured by 1st deeds of trust
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		15,585
Total portfolio loans		15,548
Consumer other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		22,069
Total portfolio loans		22,250
Commercial real estate | Owner occupied properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	300,200
Commercial real estate | Owner occupied properties | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		234,364
Total portfolio loans		233,320
Commercial real estate | Non-owner occupied and multifamily properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	435,311
Commercial real estate | Non-owner occupied and multifamily properties | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		394,860
Total portfolio loans		392,452
Residential real estate | 1-4 family residential properties secured by first liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	32,542
Residential real estate | 1-4 family residential properties secured by first liens | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		33,463
Total portfolio loans		33,415
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	19,610
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		18,114
Total portfolio loans		18,236
Residential real estate | 1-4 family residential construction loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	36,222
Residential real estate | 1-4 family residential construction loans | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		32,760
Total portfolio loans		32,500
Other construction, land development and raw land loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	88,094
Other construction, land development and raw land loans | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		84,352
Total portfolio loans		83,463
Obligations of states and political subdivisions in the US
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	16,403
Obligations of states and political subdivisions in the US | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		15,274
Total portfolio loans		15,318
Agricultural production, including commercial fishing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	27,959
Agricultural production, including commercial fishing | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		13,093
Total portfolio loans		12,968
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	4,801
Consumer loans | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		5,794
Total portfolio loans		5,734
Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total portfolio loans	$ 4,406	0
Other loans | Cumulative effect, period of adoption, adjusted balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Subtotal		4,407
Total portfolio loans		$ 4,390