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Loans - Aging analysis of past due loans (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans and Allowance for Loan Losses |  |
Non-Accruing | $ 169,640 | $ 170,222
Total loans | 32,667,310 | 32,388,489
30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 54,267 | 60,085
60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 22,587 | 18,276
90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,632 | 12,479
Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 79,486 | 90,840
Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 32,418,184 | 32,127,427
Non-acquired loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 27,101,444 | 26,482,763
Construction and land development |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 1,562 | 1,433
Total loans | 2,437,343 | 2,923,514
Construction and land development | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 45 | 624
Construction and land development | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 63 |
Construction and land development | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 108 | 624
Construction and land development | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,435,673 | 2,921,457
Commercial non-owner occupied |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 7,873 | 21,309
Total loans | 9,112,474 | 8,571,634
Commercial non-owner occupied | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 4,175 | 2,194
Commercial non-owner occupied | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 7,895 | 123
Commercial non-owner occupied | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 70 | 1,378
Commercial non-owner occupied | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 12,140 | 3,695
Commercial non-owner occupied | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,092,461 | 8,546,630
Commercial owner occupied real estate loan |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 54,895 | 44,887
Total loans | 5,511,855 | 5,497,671
Commercial owner occupied real estate loan | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,183 | 3,852
Commercial owner occupied real estate loan | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,252 | 1,141
Commercial owner occupied real estate loan | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 80 | 988
Commercial owner occupied real estate loan | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 10,515 | 5,981
Commercial owner occupied real estate loan | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 5,446,445 | 5,446,803
Consumer Owner Occupied Loans |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 25,528 | 25,271
Total loans | 6,814,472 | 6,595,005
Consumer Owner Occupied Loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 6,682 | 7,903
Consumer Owner Occupied Loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 80 | 552
Consumer Owner Occupied Loans | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans |  | 920
Consumer Owner Occupied Loans | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 6,762 | 9,375
Consumer Owner Occupied Loans | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 6,782,182 | 6,560,359
Home equity loans |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 6,624 | 4,932
Total loans | 1,408,594 | 1,398,445
Home equity loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,106 | 6,500
Home equity loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,226 | 1,326
Home equity loans | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 3,332 | 7,826
Home equity loans | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,398,638 | 1,385,687
Commercial and industrial |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 64,872 | 63,531
Total loans | 5,544,131 | 5,504,539
Commercial and industrial | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 22,510 | 25,231
Commercial and industrial | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 7,243 | 7,194
Commercial and industrial | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,482 | 9,193
Commercial and industrial | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 32,235 | 41,618
Commercial and industrial | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 5,447,024 | 5,399,390
Other income producing property |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 2,732 | 3,202
Total loans | 640,055 | 656,334
Other income producing property | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 313 | 569
Other income producing property | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 52 | 570
Other income producing property | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 365 | 1,139
Other income producing property | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 636,958 | 651,993
Consumer loans |  |
Loans and Allowance for Loan Losses |  |
Non-Accruing | 5,554 | 5,657
Total loans | 1,196,895 | 1,233,650
Consumer loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,253 | 13,212
Consumer loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 4,776 | 7,370
Consumer loans | Total Past Due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 14,029 | 20,582
Consumer loans | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,177,312 | 1,207,411
Other loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,491 | 7,697
Other loans | Current |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,491 | 7,697
Commercial loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 22,572,694 | 22,391,162
Commercial loans | Construction and land development |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,813,458 | 2,207,965
Commercial loans | Commercial non-owner occupied |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,112,474 | 8,571,634
Commercial loans | Commercial owner occupied real estate loan |  |
Loans and Allowance for Loan Losses |  |
Total loans | 5,511,855 | 5,497,671
Commercial loans | Consumer Owner Occupied Loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 59,013 | 57,443
Commercial loans | Commercial and industrial |  |
Loans and Allowance for Loan Losses |  |
Total loans | 5,544,131 | 5,504,539
Commercial loans | Other income producing property |  |
Loans and Allowance for Loan Losses |  |
Total loans | 530,272 | 544,213
Commercial loans | Other loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,491 | 7,697
Consumer portfolio loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 10,094,616 | 9,997,327
Consumer portfolio loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 22,343 | 31,019
Consumer portfolio loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 8,268 | 12,500
Consumer portfolio loans | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 16,215 | 17,087
Consumer portfolio loans | Construction and land development |  |
Loans and Allowance for Loan Losses |  |
Total loans | 623,885 | 715,549
Consumer portfolio loans | Construction and land development | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans |  | 111
Consumer portfolio loans | Construction and land development | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 110 |
Consumer portfolio loans | Construction and land development | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 24 | 76
Consumer portfolio loans | Consumer Owner Occupied Loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 6,755,459 | 6,537,562
Consumer portfolio loans | Consumer Owner Occupied Loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,794 | 10,754
Consumer portfolio loans | Consumer Owner Occupied Loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,246 | 2,787
Consumer portfolio loans | Consumer Owner Occupied Loans | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,808 | 11,561
Consumer portfolio loans | Home equity loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,408,594 | 1,398,445
Consumer portfolio loans | Home equity loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,796 | 6,656
Consumer portfolio loans | Home equity loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,820 | 1,842
Consumer portfolio loans | Home equity loans | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 2,358 | 1,309
Consumer portfolio loans | Other income producing property |  |
Loans and Allowance for Loan Losses |  |
Total loans | 109,783 | 112,121
Consumer portfolio loans | Other income producing property | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 271 | 67
Consumer portfolio loans | Other income producing property | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 13 |
Consumer portfolio loans | Other income producing property | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 121 | 127
Consumer portfolio loans | Consumer loans |  |
Loans and Allowance for Loan Losses |  |
Total loans | 1,196,895 | 1,233,650
Consumer portfolio loans | Consumer loans | 30 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 9,482 | 13,431
Consumer portfolio loans | Consumer loans | 60 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | 5,079 | 7,871
Consumer portfolio loans | Consumer loans | 90 days past due |  |
Loans and Allowance for Loan Losses |  |
Total loans | $ 3,904 | $ 4,014

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