Loans - Loans Outstanding by Portfolio Class (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 3,607,631	$ 3,867,383
Allowance for credit losses	(54,286)	(57,027)	$ (22,577)	$ (17,667)
Net loans	3,553,345	3,810,356
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	2,176,959	2,192,271
Allowance for credit losses	(40,775)	(42,210)		(11,996)
Commercial | Owner occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	549,014	496,306
Commercial | Non–owner occupied real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,066,131	999,636
Commercial | Residential spec homes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	9,907	10,070
Commercial | Development & spec land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	22,712	26,372
Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	529,195	659,887
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	703,413	1,019,912
Allowance for credit losses	(3,856)	(4,620)		(923)
Real Estate | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	563,811	598,700
Real Estate | Residential construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	30,571	25,586
Real Estate | Mortgage warehouse
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	109,031	395,626
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	727,259	655,200
Allowance for credit losses	(8,596)	(8,930)		$ (3,671)
Consumer | Direct installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	63,714	38,046
Consumer | Indirect installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	372,575	357,511
Consumer | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 290,970	$ 259,643