Loans - Aging analysis of past due loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Loans and Allowance for Loan Losses
Non-Accruing	$ 268,364	$ 207,296
Total loans	46,766,732	33,902,927
30 days past due
Loans and Allowance for Loan Losses
Total loans	122,769	56,417
60 days past due
Loans and Allowance for Loan Losses
Total loans	16,607	16,807
90 days past due
Loans and Allowance for Loan Losses
Total loans	3,810	3,293
Total Past Due
Loans and Allowance for Loan Losses
Total loans	143,186	76,517
Current
Loans and Allowance for Loan Losses
Total loans	46,355,182	33,619,114
Construction and land development
Loans and Allowance for Loan Losses
Non-Accruing	1,418	1,458
Total loans	3,497,909	2,184,327
Construction and land development | 30 days past due
Loans and Allowance for Loan Losses
Total loans	1,070	16
Construction and land development | 60 days past due
Loans and Allowance for Loan Losses
Total loans	423
Construction and land development | Total Past Due
Loans and Allowance for Loan Losses
Total loans	1,493	16
Construction and land development | Current
Loans and Allowance for Loan Losses
Total loans	3,494,998	2,182,853
Consumer Owner-Occupied
Loans and Allowance for Loan Losses
Non-Accruing	42,549	43,054
Total loans	8,168,477	7,144,885
Consumer Owner-Occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	14,329	6,536
Consumer Owner-Occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,539	444
Consumer Owner-Occupied | 90 days past due
Loans and Allowance for Loan Losses
Total loans	291
Consumer Owner-Occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	16,159	6,980
Consumer Owner-Occupied | Current
Loans and Allowance for Loan Losses
Total loans	8,109,769	7,094,851
Home equity loans
Loans and Allowance for Loan Losses
Non-Accruing	10,978	10,023
Total loans	1,670,475	1,570,084
Home equity loans | 30 days past due
Loans and Allowance for Loan Losses
Total loans	3,335	4,717
Home equity loans | 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,182	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	4,517	6,229
Home equity loans | Current
Loans and Allowance for Loan Losses
Total loans	1,654,980	1,553,832
Commercial and industrial
Loans and Allowance for Loan Losses
Non-Accruing	119,898	92,020
Total loans	8,106,484	6,222,876
Commercial and industrial | 30 days past due
Loans and Allowance for Loan Losses
Total loans	25,064	28,427
Commercial and industrial | 60 days past due
Loans and Allowance for Loan Losses
Total loans	9,586	7,700
Commercial and industrial | 90 days past due
Loans and Allowance for Loan Losses
Total loans	2,991	3,163
Commercial and industrial | Total Past Due
Loans and Allowance for Loan Losses
Total loans	37,641	39,290
Commercial and industrial | Current
Loans and Allowance for Loan Losses
Total loans	7,948,945	6,091,566
Other income producing property
Loans and Allowance for Loan Losses
Non-Accruing	2,811	2,198
Total loans	1,286,033	607,750
Other income producing property | 30 days past due
Loans and Allowance for Loan Losses
Total loans	883	237
Other income producing property | 60 days past due
Loans and Allowance for Loan Losses
Total loans	265	116
Other income producing property | 90 days past due
Loans and Allowance for Loan Losses
Total loans	303	37
Other income producing property | Total Past Due
Loans and Allowance for Loan Losses
Total loans	1,451	390
Other income producing property | Current
Loans and Allowance for Loan Losses
Total loans	1,281,771	605,162
Consumer
Loans and Allowance for Loan Losses
Non-Accruing	5,167	5,356
Total loans	1,075,872	1,062,599
Consumer | 30 days past due
Loans and Allowance for Loan Losses
Total loans	5,005	7,023
Consumer | 60 days past due
Loans and Allowance for Loan Losses
Total loans	2,244	3,444
Consumer | Total Past Due
Loans and Allowance for Loan Losses
Total loans	7,249	10,467
Consumer | Current
Loans and Allowance for Loan Losses
Total loans	1,063,456	1,046,776
Other loans
Loans and Allowance for Loan Losses
Total loans	8,280	10,298
Other loans | Current
Loans and Allowance for Loan Losses
Total loans	8,280	10,298
Commercial loans
Loans and Allowance for Loan Losses
Total loans	35,480,112	23,705,601
Commercial loans | Construction and land development
Loans and Allowance for Loan Losses
Total loans	3,154,389	1,798,096
Commercial loans | Commercial non-owner occupied
Loans and Allowance for Loan Losses
Non-Accruing	38,562	17,505
Total loans	15,536,086	9,383,732
Commercial loans | Commercial non-owner occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	65,055	2,253
Commercial loans | Commercial non-owner occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	223	748
Commercial loans | Commercial non-owner occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	65,278	3,001
Commercial loans | Commercial non-owner occupied | Current
Loans and Allowance for Loan Losses
Total loans	15,432,246	9,363,226
Commercial loans | Commercial owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	46,981	35,682
Total loans	7,417,116	5,716,376
Commercial loans | Commercial owner-occupied | 30 days past due
Loans and Allowance for Loan Losses
Total loans	8,028	7,208
Commercial loans | Commercial owner-occupied | 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,145	2,844
Commercial loans | Commercial owner-occupied | 90 days past due
Loans and Allowance for Loan Losses
Total loans	225	92
Commercial loans | Commercial owner-occupied | Total Past Due
Loans and Allowance for Loan Losses
Total loans	9,398	10,144
Commercial loans | Commercial owner-occupied | Current
Loans and Allowance for Loan Losses
Total loans	7,360,737	5,670,550
Commercial loans | Consumer Owner-Occupied
Loans and Allowance for Loan Losses
Total loans	70,014	66,910
Commercial loans | Commercial and industrial
Loans and Allowance for Loan Losses
Total loans	8,106,484	6,222,876
Commercial loans | Other income producing property
Loans and Allowance for Loan Losses
Total loans	1,187,743	507,313
Commercial loans | Other loans
Loans and Allowance for Loan Losses
Total loans	$ 8,280	$ 10,298