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Note 3 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing receivable, gross | $ 12,605,836 | $ 11,658,829
Non-accrual | 39,501 | 19,349
Nonaccrual With No ACL | 34,426 | 13,847
Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing receivable, gross | 30,430 | 4,692
Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing receivable, gross | 29,990 | 19,406
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing receivable, gross | 2,965 | 2,184
Financial Asset, Past Due [Member] |  |
Financing receivable, gross | 63,385 | 26,282
Financial Asset, Not Past Due [Member] |  |
Financing receivable, gross | 12,502,950 | 11,613,198
Commercial Real Estate Portfolio Segment [Member] |  |
Financing receivable, gross | 2,869,894 | 2,823,986
Non-accrual | 25,692 | 7,217
Nonaccrual With No ACL | 22,266 | 5,028
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing receivable, gross | 9,218 | 3,418
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing receivable, gross | 8,469 | 3,718
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing receivable, gross | 38 | 170
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Financing receivable, gross | 17,725 | 7,306
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing receivable, gross | 2,826,477 | 2,809,463
Real Estate Portfolio Segment[Member] |  |
Financing receivable, gross | 8,173,009 | 7,251,447
Non-accrual | 13,054 | 12,021
Nonaccrual With No ACL | 12,160 | 8,819
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Financing receivable, gross | 1,489,306 | 1,519,619
Non-accrual | 0 | 111
Nonaccrual With No ACL | 0 | 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 2,547,143 | 2,257,163
Non-accrual | 8,744 | 7,089
Nonaccrual With No ACL | 8,644 | 7,089
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Financing receivable, gross | 1,444,623 | 1,249,938
Non-accrual | 3,051 | 4,426
Nonaccrual With No ACL | 2,787 | 1,224
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 4,181,243 | 3,744,346
Non-accrual | 1,259 | 506
Nonaccrual With No ACL | 729 | 506
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing receivable, gross | 15,083 | 1,216
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member] |  |
Financing receivable, gross | 6,046 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 9,494 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member] |  |
Financing receivable, gross | 1,157 | 540
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 4,432 | 676
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing receivable, gross | 5,589 | 15,623
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member] |  |
Financing receivable, gross | 15,898 | 34
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 2,478 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member] |  |
Financing receivable, gross | 3,111 | 4,920
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 0 | 10,703
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing receivable, gross | 2,240 | 1,909
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member] |  |
Financing receivable, gross | 661 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 0 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | One to Four Family [Member] |  |
Financing receivable, gross | 2,240 | 1,909
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 0 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] |  |
Financing receivable, gross | 22,912 | 18,748
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Construction Loans [Member] |  |
Financing receivable, gross | 22,605 | 34
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 11,972 | 0
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | One to Four Family [Member] |  |
Financing receivable, gross | 6,508 | 7,369
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 4,432 | 11,379
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] |  |
Financing receivable, gross | 8,137,043 | 7,220,678
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member] |  |
Financing receivable, gross | 1,466,701 | 1,519,474
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Commercial [Member] |  |
Financing receivable, gross | 2,526,427 | 2,250,074
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | One to Four Family [Member] |  |
Financing receivable, gross | 1,435,064 | 1,238,143
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Commercial [Member] |  |
Financing receivable, gross | 4,175,552 | 3,732,461
Consumer Portfolio Segment [Member] |  |
Financing receivable, gross | 73,627 | 63,777
Non-accrual | 755 | 0
Nonaccrual With No ACL | 0 | 0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |
Financing receivable, gross | 83 | 58
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |
Financing receivable, gross | 34 | 31
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing receivable, gross | 26 | 105
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |
Financing receivable, gross | 143 | 194
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |
Financing receivable, gross | $ 72,729 | $ 63,583

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