v3.26.3
Loans Held for Investment - Aging (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days $ 8,807,076 $ 8,311,952
Accruing Loans Past Due 90 Days or More 2,363 70
30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 15,751 11,831
60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 9,096 12,200
90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 21,829 21,326
Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 46,676 45,357
Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 8,760,400 8,266,595
Prime Lending | U S Government Agencies Secured    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Accruing Loans Past Due 90 Days or More 44,000 33,700
Unpaid principal balance loans past due 90 days or more 44,400 34,300
Commercial real estate | Non-owner occupied    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 2,284,984 2,121,087
Commercial real estate | Non-owner occupied | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,194 1,138
Commercial real estate | Non-owner occupied | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days   1,635
Commercial real estate | Non-owner occupied | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 637 681
Commercial real estate | Non-owner occupied | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,831 3,454
Commercial real estate | Non-owner occupied | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 2,281,153 2,117,633
Commercial real estate | Owner occupied    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,574,656 1,533,173
Commercial real estate | Owner occupied | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,842 2,281
Commercial real estate | Owner occupied | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 4,367 4,980
Commercial real estate | Owner occupied | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 6,960 1,518
Commercial real estate | Owner occupied | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 15,169 8,779
Commercial real estate | Owner occupied | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,559,487 1,524,394
Commercial and industrial    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,605,810 1,526,467
Accruing Loans Past Due 90 Days or More 2,363  
Commercial and industrial | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,057 1,577
Commercial and industrial | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 985 1,106
Commercial and industrial | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 10,345 13,485
Commercial and industrial | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 14,387 16,168
Commercial and industrial | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,591,423 1,510,299
Construction and land development    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 972,122 894,011
Construction and land development | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,139 711
Construction and land development | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,129 1,009
Construction and land development | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 4 500
Construction and land development | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 4,272 2,220
Construction and land development | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 967,850 891,791
1-4 family residential    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,951,905 1,861,654
Accruing Loans Past Due 90 Days or More   42
1-4 family residential | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 2,392 5,992
1-4 family residential | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 2,586 3,425
1-4 family residential | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 3,883 5,114
1-4 family residential | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 8,861 14,531
1-4 family residential | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 1,943,044 1,847,123
Consumer    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 27,251 31,027
Accruing Loans Past Due 90 Days or More   28
Consumer | 30-59 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 127 132
Consumer | 60-89 Days    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 29 45
Consumer | 90 Days or More    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days   28
Consumer | Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 156 205
Consumer | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 27,095 30,822
Broker-dealer    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days 390,348 344,533
Broker-dealer | Not Past Due    
Non-Covered Loans and Allowance for Non-Covered Loan Losses    
Loans past Due 30-59 Days $ 390,348 $ 344,533