Loans - Aging analysis of past due loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Loans and Allowance for Loan Losses
Non-Accruing	$ 293,376	$ 207,296
Total loans	47,267,247	33,902,927
30 days past due
Loans and Allowance for Loan Losses
Total loans	63,625	56,417
60 days past due
Loans and Allowance for Loan Losses
Total loans	29,262	16,807
90 days past due
Loans and Allowance for Loan Losses
Total loans	4,394	3,293
Total Past Due
Loans and Allowance for Loan Losses
Total loans	97,281	76,517
Current
Loans and Allowance for Loan Losses
Total loans	46,876,590	33,619,114
Construction and land development
Loans and Allowance for Loan Losses
Non-Accruing	756	1,458
Total loans	3,323,923	2,184,327
Construction and land development \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	5,442	16
Construction and land development \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	645
Construction and land development \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	6,087	16
Construction and land development \| Current
Loans and Allowance for Loan Losses
Total loans	3,317,080	2,182,853
Consumer owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	51,554	43,054
Total loans	8,330,548	7,144,885
Consumer owner-occupied \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	17,666	6,536
Consumer owner-occupied \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	828	444
Consumer owner-occupied \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	18,494	6,980
Consumer owner-occupied \| Current
Loans and Allowance for Loan Losses
Total loans	8,260,500	7,094,851
Home equity loans
Loans and Allowance for Loan Losses
Non-Accruing	10,835	10,023
Total loans	1,707,821	1,570,084
Home equity loans \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	2,320	4,717
Home equity loans \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,258	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	3,578	6,229
Home equity loans \| Current
Loans and Allowance for Loan Losses
Total loans	1,693,408	1,553,832
Commercial and industrial
Loans and Allowance for Loan Losses
Non-Accruing	103,172	92,020
Total loans	8,445,878	6,222,876
Commercial and industrial \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	24,034	28,427
Commercial and industrial \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	21,442	7,700
Commercial and industrial \| 90 days past due
Loans and Allowance for Loan Losses
Total loans	3,282	3,163
Commercial and industrial \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	48,758	39,290
Commercial and industrial \| Current
Loans and Allowance for Loan Losses
Total loans	8,293,948	6,091,566
Other income producing property
Loans and Allowance for Loan Losses
Non-Accruing	1,910	2,198
Total loans	1,306,741	607,750
Other income producing property \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	932	237
Other income producing property \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,015	116
Other income producing property \| 90 days past due
Loans and Allowance for Loan Losses
Total loans	213	37
Other income producing property \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	2,160	390
Other income producing property \| Current
Loans and Allowance for Loan Losses
Total loans	1,302,671	605,162
Consumer
Loans and Allowance for Loan Losses
Non-Accruing	3,990	5,356
Total loans	1,007,251	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	782	3,444
Consumer \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	2,872	10,467
Consumer \| Current
Loans and Allowance for Loan Losses
Total loans	1,000,389	1,046,776
Other loans
Loans and Allowance for Loan Losses
Total loans	510	10,298
Other loans \| Current
Loans and Allowance for Loan Losses
Total loans	510	10,298
Commercial loans
Loans and Allowance for Loan Losses
Total loans	35,873,789	23,705,601
Commercial loans \| Construction and land development
Loans and Allowance for Loan Losses
Total loans	2,952,856	1,798,096
Commercial loans \| Commercial non-owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	81,050	17,505
Total loans	15,646,669	9,383,732
Commercial loans \| Commercial non-owner-occupied \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	2,375	2,253
Commercial loans \| Commercial non-owner-occupied \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,884	748
Commercial loans \| Commercial non-owner-occupied \| 90 days past due
Loans and Allowance for Loan Losses
Total loans	422
Commercial loans \| Commercial non-owner-occupied \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	4,681	3,001
Commercial loans \| Commercial non-owner-occupied \| Current
Loans and Allowance for Loan Losses
Total loans	15,560,938	9,363,226
Commercial loans \| Commercial owner-occupied
Loans and Allowance for Loan Losses
Non-Accruing	40,109	35,682
Total loans	7,497,906	5,716,376
Commercial loans \| Commercial owner-occupied \| 30 days past due
Loans and Allowance for Loan Losses
Total loans	8,766	7,208
Commercial loans \| Commercial owner-occupied \| 60 days past due
Loans and Allowance for Loan Losses
Total loans	1,408	2,844
Commercial loans \| Commercial owner-occupied \| 90 days past due
Loans and Allowance for Loan Losses
Total loans	477	92
Commercial loans \| Commercial owner-occupied \| Total Past Due
Loans and Allowance for Loan Losses
Total loans	10,651	10,144
Commercial loans \| Commercial owner-occupied \| Current
Loans and Allowance for Loan Losses
Total loans	7,447,146	5,670,550
Commercial loans \| Consumer owner-occupied
Loans and Allowance for Loan Losses
Total loans	143,019	66,910
Commercial loans \| Commercial and industrial
Loans and Allowance for Loan Losses
Total loans	8,445,878	6,222,876
Commercial loans \| Other income producing property
Loans and Allowance for Loan Losses
Total loans	1,186,951	507,313
Commercial loans \| Other loans
Loans and Allowance for Loan Losses
Total loans	$ 510	$ 10,298