Loans - Schedule of Portfolio Loans, Purchased Credit Impaired Loans and Purchased Unimpaired Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 10,011,186	$ 8,144,724
Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	793,736	587,332
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,675,881	1,478,302
Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,285,974	2,589,774
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,418,903	1,849,503
Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,584,050	1,348,636
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	248,540	286,587
PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,102	4,590
Acquired Non-PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,386,233	1,965,749
Acquired Non-PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	308,429	201,333
Acquired Non-PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	580,725	451,202
Acquired Non-PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,357,624	767,138
Acquired Non-PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	703,628	271,378
Acquired Non-PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	340,412	182,124
Acquired Non-PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	92,122	89,458
Acquired Non-PCD Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,293	3,116
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	281,831	234,782
PCD Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	10,519	21,100
PCD Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	38,635	31,946
PCD Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	153,431	127,225
PCD Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	22,106	19,482
PCD Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	56,298	15,238
PCD Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	842	19,791
PCD Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	0	0
Portfolio Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	6,343,122	5,944,193
Portfolio Loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	474,788	364,900
Portfolio Loans | Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,056,521	995,154
Portfolio Loans | Commercial real estate - non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,774,919	1,695,411
Portfolio Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,693,169	1,558,643
Portfolio Loans | Commercial and financial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,187,340	1,151,273
Portfolio Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	155,576	177,338
Portfolio Loans | PPP Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 809	$ 1,474