Loans and Allowance for Credit Losses - Individually Assessed Allowance for Credit Losses for Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	$ 120,049	$ 125,559	$ 157,954	$ 170,389
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	12,699	15,751	14,643	14,748
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	31,782	28,576	38,622	58,477
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	21,024	19,104	19,572	19,220
Residential real estate: | Residential line of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	6,545	5,903	9,268	10,534
Commercial real estate: | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	8,416	12,593	3,609	4,849
Commercial real estate: | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	21,290	25,768	50,179	44,147
Consumer and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	11,895	10,888	$ 10,404	$ 11,240
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	18,586	28,158
Real Estate | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	689	799
Real Estate | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	685	3,580
Real Estate | Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	344	338
Real Estate | Residential real estate: | Residential line of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	1,367	1,400
Real Estate | Commercial real estate: | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	8,470	8,117
Real Estate | Commercial real estate: | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	7,006	13,899
Real Estate | Consumer and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	25	25
Financial Assets and Equipment
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	3,324	1,161
Financial Assets and Equipment | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	3,324	1,090
Financial Assets and Equipment | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	0
Financial Assets and Equipment | Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	0
Financial Assets and Equipment | Residential real estate: | Residential line of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	0
Financial Assets and Equipment | Commercial real estate: | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	71
Financial Assets and Equipment | Commercial real estate: | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	0
Financial Assets and Equipment | Consumer and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	0	0
Total
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	21,910	29,319
Individually assessed allowance for credit loss	1,946	303
Total | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	4,013	1,889
Individually assessed allowance for credit loss	1,776	0
Total | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	685	3,580
Individually assessed allowance for credit loss	84	92
Total | Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	344	338
Individually assessed allowance for credit loss	0	0
Total | Residential real estate: | Residential line of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	1,367	1,400
Individually assessed allowance for credit loss	5	10
Total | Commercial real estate: | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	8,470	8,188
Individually assessed allowance for credit loss	80	200
Total | Commercial real estate: | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	7,006	13,899
Individually assessed allowance for credit loss	0	0
Total | Consumer and other
Financing Receivable, Allowance for Credit Loss [Line Items]
Type of Collateral	25	25
Individually assessed allowance for credit loss	$ 1	$ 1