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Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Total loans | $ 13,311,967 | $ 12,605,836
Non-accrual | 166,662 | 39,501
Nonaccrual With No ACL | 152,852 | 34,426
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total loans | 14,694 | 30,430
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total loans | 10,906 | 29,990
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total loans | 965 | 2,965
Financial Asset, Past Due [Member] |  |
Total loans | 26,565 | 63,385
Financial Asset, Not Past Due [Member] |  |
Total loans | 13,118,740 | 12,502,950
Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 2,945,784 | 2,869,894
Non-accrual | 34,442 | 25,692
Nonaccrual With No ACL | 22,561 | 22,266
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total loans | 3,753 | 9,218
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total loans | 146 | 8,469
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total loans | 80 | 38
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Total loans | 3,979 | 17,725
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Total loans | 2,907,363 | 2,826,477
Real Estate Portfolio Segment[Member] |  |
Total loans | 8,754,061 | 8,173,009
Non-accrual | 94,247 |
Nonaccrual With No ACL | 93,407 |
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Total loans | 1,532,285 | 1,489,306
Non-accrual | 36,884 | 0
Nonaccrual With No ACL | 36,884 | 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Total loans | 2,680,055 | 2,547,143
Non-accrual | 12,973 | 8,744
Nonaccrual With No ACL | 12,972 | 8,644
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Total loans | 1,625,296 | 1,444,623
Non-accrual | 6,252 | 3,051
Nonaccrual With No ACL | 5,874 | 2,787
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 4,448,710 | 4,181,243
Non-accrual | 75,022 | 1,259
Nonaccrual With No ACL | 74,561 | 729
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |
Total loans |  | 8,173,009
Non-accrual |  | 13,054
Nonaccrual With No ACL |  | 12,160
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total loans | 10,856 |
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member] |  |
Total loans | 0 | 6,046
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Total loans | 3,289 | 9,494
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member] |  |
Total loans | 388 | 1,157
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 7,179 | 4,432
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member] |  |
Total loans |  | 15,083
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total loans | 10,691 |
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member] |  |
Total loans | 0 | 15,898
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Total loans | 303 | 2,478
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member] |  |
Total loans | 5,619 | 3,111
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 4,769 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Other Mortgages [Member] |  |
Total loans |  | 5,589
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total loans | 818 |
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member] |  |
Total loans | 0 | 661
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Total loans | 0 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | One to Four Family [Member] |  |
Total loans | 818 | 2,240
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 0 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Mortgages [Member] |  |
Total loans |  | 2,240
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] |  |
Total loans | 22,365 |
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Construction Loans [Member] |  |
Total loans | 0 | 22,605
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Owner Occupied Commercial [Member] |  |
Total loans | 3,592 | 11,972
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | One to Four Family [Member] |  |
Total loans | 6,825 | 6,508
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 11,948 | 4,432
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Other Mortgages [Member] |  |
Total loans |  | 22,912
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] |  |
Total loans | 8,637,449 |
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member] |  |
Total loans | 1,495,401 | 1,466,701
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Commercial [Member] |  |
Total loans | 2,663,490 | 2,526,427
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | One to Four Family [Member] |  |
Total loans | 1,612,219 | 1,435,064
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 4,361,740 | 4,175,552
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Other Mortgages [Member] |  |
Total loans |  | 8,137,043
Consumer Portfolio Segment [Member] |  |
Total loans | 79,837 | 73,627
Non-accrual | 1,089 | 755
Nonaccrual With No ACL | 0 | 0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Total loans | 85 | 83
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Total loans | 69 | 34
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Total loans | 67 | 26
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Total loans | 221 | 143
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Total loans | $ 78,527 | $ 72,729

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