Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 5,925,029	$ 5,735,349
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	230,824	245,108
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,197,774	1,141,310
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,736,439	1,395,854
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,425,354	1,342,628
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,069,356	854,753
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	174,175	188,735
Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	91,107	566,961
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	868,418	925,434
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	31,438	26,250
Acquired Non-PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	186,812	247,090
Acquired Non-PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	382,554	323,273
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	156,957	176,105
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	84,395	94,627
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,658	6,660
Acquired Non-PCD Loans | Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	21,604	51,429
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	126,939	98,178
PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	45	2,438
PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	27,445	39,451
PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	75,705	29,122
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	7,091	10,609
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	16,643	16,280
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10	278
PCD Loans | Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,929,672	4,711,737
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	199,341	216,420
Portfolio Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	983,517	854,769
Portfolio Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,278,180	1,043,459
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,261,306	1,155,914
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	968,318	743,846
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	169,507	181,797
Portfolio Loans | Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 69,503	$ 515,532