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Loans - Aging analysis of past due loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Loans and Allowance for Loan Losses
Non-Accruing	$ 296,446	$ 207,296
Total loans	47,667,911	33,902,927
30 days past due
Loans and Allowance for Loan Losses
Total loans	84,281	56,417
60 days past due
Loans and Allowance for Loan Losses
Total loans	28,697	16,807
90 days past due
Loans and Allowance for Loan Losses
Total loans	5,243	3,293
Total Past Due
Loans and Allowance for Loan Losses
Total loans	118,221	76,517
Current
Loans and Allowance for Loan Losses
Total loans	47,253,244	33,619,114
Construction and land development
Loans and Allowance for Loan Losses
Non-Accruing	6,865	1,458
Total loans	2,678,971	2,184,327
Construction and land development | 30 days past due
Loans and Allowance for Loan Losses
Total loans	1,208	16
Construction and land development | 60 days past due
Loans and Allowance for Loan Losses
Total loans	415
Construction and land development | Total Past Due
Loans and Allowance for Loan Losses
Total loans	1,623	16
Construction and land development | Current
Loans and Allowance for Loan Losses
Total loans	2,670,483	2,182,853
Consumer owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	60,491	43,054
Total loans	8,441,314	7,144,885
Consumer owner-occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	16,474	6,536
Consumer owner-occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	464	444
Consumer owner-occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	16,938	6,980
Consumer owner-occupied | Current
Loans and Allowance for Loan Losses
Total loans	8,363,885	7,094,851
Home equity loans
Loans and Allowance for Loan Losses
Non-Accruing	11,540	10,023
Total loans	1,760,712	1,570,084
Home equity loans | 30 days past due
Loans and Allowance for Loan Losses
Total loans	3,584	4,717
Home equity loans | 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,611	1,511
Home equity loans | 90 days past due
Loans and Allowance for Loan Losses
Total loans		1
Home equity loans | Total Past Due
Loans and Allowance for Loan Losses
Total loans	5,195	6,229
Home equity loans | Current
Loans and Allowance for Loan Losses
Total loans	1,743,977	1,553,832
Commercial and industrial
Loans and Allowance for Loan Losses
Non-Accruing	92,908	92,020
Total loans	8,644,636	6,222,876
Commercial and industrial | 30 days past due
Loans and Allowance for Loan Losses
Total loans	40,517	28,427
Commercial and industrial | 60 days past due
Loans and Allowance for Loan Losses
Total loans	12,681	7,700
Commercial and industrial | 90 days past due
Loans and Allowance for Loan Losses
Total loans	4,085	3,163
Commercial and industrial | Total Past Due
Loans and Allowance for Loan Losses
Total loans	57,283	39,290
Commercial and industrial | Current
Loans and Allowance for Loan Losses
Total loans	8,494,445	6,091,566
Other income producing property
Loans and Allowance for Loan Losses
Non-Accruing	1,716	2,198
Total loans	1,267,183	607,750
Other income producing property | 30 days past due
Loans and Allowance for Loan Losses
Total loans	2,135	237
Other income producing property | 60 days past due
Loans and Allowance for Loan Losses
Total loans	653	116
Other income producing property | 90 days past due
Loans and Allowance for Loan Losses
Total loans	36	37
Other income producing property | Total Past Due
Loans and Allowance for Loan Losses
Total loans	2,824	390
Other income producing property | Current
Loans and Allowance for Loan Losses
Total loans	1,262,643	605,162
Consumer
Loans and Allowance for Loan Losses
Non-Accruing	4,013	5,356
Total loans	987,085	1,062,599
Consumer | 30 days past due
Loans and Allowance for Loan Losses
Total loans	2,090	7,023
Consumer | 60 days past due
Loans and Allowance for Loan Losses
Total loans	764	3,444
Consumer | Total Past Due
Loans and Allowance for Loan Losses
Total loans	2,854	10,467
Consumer | Current
Loans and Allowance for Loan Losses
Total loans	980,218	1,046,776
Other loans
Loans and Allowance for Loan Losses
Total loans	22,913	10,298
Other loans | Current
Loans and Allowance for Loan Losses
Total loans	22,913	10,298
Commercial loans
Loans and Allowance for Loan Losses
Total loans	36,137,245	23,705,601
Commercial loans | Construction and land development
Loans and Allowance for Loan Losses
Total loans	2,328,743	1,798,096
Commercial loans | Commercial non-owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	76,151	17,505
Total loans	16,336,022	9,383,732
Commercial loans | Commercial non-owner-occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	6,106	2,253
Commercial loans | Commercial non-owner-occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	6,223	748
Commercial loans | Commercial non-owner-occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	12,329	3,001
Commercial loans | Commercial non-owner-occupied | Current
Loans and Allowance for Loan Losses
Total loans	16,247,542	9,363,226
Commercial loans | Commercial owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	42,762	35,682
Total loans	7,529,075	5,716,376
Commercial loans | Commercial owner-occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	12,167	7,208
Commercial loans | Commercial owner-occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	5,886	2,844
Commercial loans | Commercial owner-occupied | 90 days past due
Loans and Allowance for Loan Losses
Total loans	1,122	92
Commercial loans | Commercial owner-occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	19,175	10,144
Commercial loans | Commercial owner-occupied | Current
Loans and Allowance for Loan Losses
Total loans	7,467,138	5,670,550
Commercial loans | Consumer owner-occupied
Loans and Allowance for Loan Losses
Total loans	124,457	66,910
Commercial loans | Commercial and industrial
Loans and Allowance for Loan Losses
Total loans	8,644,636	6,222,876
Commercial loans | Other income producing property
Loans and Allowance for Loan Losses
Total loans	1,151,399	507,313
Commercial loans | Other loans
Loans and Allowance for Loan Losses
Total loans	$ 22,913	$ 10,298

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