Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans	$ 10,011,186	$ 8,144,724
Nonaccrual	41,508	28,843
Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,386,233	1,965,749
Nonaccrual	10,522	2,630
PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	281,831	234,782
Nonaccrual	12,296	10,563
Current
Financing Receivable, Past Due [Line Items]
Loans	9,934,140	8,104,803
Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,355,966	1,958,490
Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	267,334	222,282
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	25,450	6,929
Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	12,396	3,104
Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	627	1,038
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	7,393	2,301
Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,919	1,000
Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,574	359
Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	2,695	1,848
Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	2,430	525
Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	540
Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	793,736	587,332
Nonaccrual	156	615
Construction and land development | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	308,429	201,333
Nonaccrual	151	70
Construction and land development | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10,519	21,100
Nonaccrual	0	420
Construction and land development | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	305,822	201,263
Construction and land development | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10,519	20,680
Construction and land development | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,462	0
Construction and land development | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	994	0
Construction and land development | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,675,881	1,478,302
Nonaccrual	7,962	2,597
Commercial real estate - owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	580,725	451,202
Nonaccrual	2,474	0
Commercial real estate - owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	38,635	31,946
Nonaccrual	4,490	1,383
Commercial real estate - owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	578,177	450,109
Commercial real estate - owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	34,145	30,517
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	74	796
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	23
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	297
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	23
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	3,285,974	2,589,774
Nonaccrual	9,650	4,184
Commercial real estate - non-owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,357,624	767,138
Nonaccrual	2,329	1,343
Commercial real estate - non-owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	153,431	127,225
Nonaccrual	3,810	3,110
Commercial real estate - non-owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,354,889	765,633
Commercial real estate - non-owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	149,621	124,115
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	406	162
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	2,418,903	1,849,503
Nonaccrual	10,068	9,109
Residential real estate | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	703,628	271,378
Nonaccrual	2,117	586
Residential real estate | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	22,106	19,482
Nonaccrual	1,098	1,587
Residential real estate | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	697,683	270,215
Residential real estate | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	18,864	17,885
Residential real estate | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,293	577
Residential real estate | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	573	10
Residential real estate | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	535	0
Residential real estate | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,571	0
Residential real estate | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,584,050	1,348,636
Nonaccrual	12,322	11,615
Commercial and financial | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	340,412	182,124
Nonaccrual	2,266	410
Commercial and financial | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	56,298	15,238
Nonaccrual	2,895	4,033
Commercial and financial | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	337,215	180,837
Commercial and financial | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	53,403	11,201
Commercial and financial | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	887	790
Commercial and financial | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	4
Commercial and financial | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	29	87
Commercial and financial | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	15	0
Commercial and financial | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer
Financing Receivable, Past Due [Line Items]
Loans	248,540	286,587
Nonaccrual	1,350	723
Consumer | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	92,122	89,458
Nonaccrual	1,185	221
Consumer | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	842	19,791
Nonaccrual	3	30
Consumer | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	78,887	87,317
Consumer | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	782	17,884
Consumer | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	6,274	779
Consumer | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	54	1,001
Consumer | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,361	616
Consumer | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3	336
Consumer | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	2,415	525
Consumer | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	540
PPP Loans
Financing Receivable, Past Due [Line Items]
Loans	4,102	4,590
PPP Loans | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,293	3,116
Nonaccrual	0	0
PPP Loans | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
PPP Loans | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,293	3,116
PPP Loans | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
PPP Loans | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
PPP Loans | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans
Financing Receivable, Past Due [Line Items]
Loans	6,343,122	5,944,193
Nonaccrual	18,690	15,650
Portfolio Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	6,310,840	5,924,031
Portfolio Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	12,427	2,787
Portfolio Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	900	942
Portfolio Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	265	783
Portfolio Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	474,788	364,900
Nonaccrual	5	59
Portfolio Loans | Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Loans	474,783	364,841
Portfolio Loans | Construction and land development | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,056,521	995,154
Nonaccrual	998	957
Portfolio Loans | Commercial real estate - owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,055,457	993,690
Portfolio Loans | Commercial real estate - owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	66	0
Portfolio Loans | Commercial real estate - owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	67
Portfolio Loans | Commercial real estate - owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	440
Portfolio Loans | Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,774,919	1,695,411
Nonaccrual	3,511	30
Portfolio Loans | Commercial real estate - non-owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,771,201	1,695,381
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	207	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	1,693,169	1,558,643
Nonaccrual	6,853	7,284
Portfolio Loans | Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,675,299	1,550,040
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	10,279	1,172
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	738	147
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,187,340	1,151,273
Nonaccrual	7,161	7,229
Portfolio Loans | Commercial and financial | Current
Financing Receivable, Past Due [Line Items]
Loans	1,178,839	1,142,536
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,168	1,032
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	141	476
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	31	0
Portfolio Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans	155,576	177,338
Nonaccrual	162	91
Portfolio Loans | Consumer | Current
Financing Receivable, Past Due [Line Items]
Loans	154,452	176,444
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	707	550
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	21	252
Portfolio Loans | Consumer | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	234	1
Portfolio Loans | PPP Loans
Financing Receivable, Past Due [Line Items]
Loans	809	1,474
Nonaccrual	0	0
Portfolio Loans | PPP Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	809	1,099
Portfolio Loans | PPP Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	33
Portfolio Loans | PPP Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | PPP Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	$ 0	$ 342