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Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Total loans | $ 11,880,696 | $ 11,658,829 | [1]
Performing Financial Instruments [Member] |  |  |
Total loans | 11,845,859 | 11,637,296 |
Nonperforming Financial Instruments [Member] |  |  |
Total loans | 34,837 | 21,533 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Total loans | 2,834,102 | 2,823,986 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 2,813,190 | 2,816,599 |
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | 20,912 | 7,387 |
Real Estate Portfolio Segment[Member] |  |  |
Total loans | 7,439,688 | 7,251,447 |
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |
Total loans | 1,546,716 | 1,519,619 |
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 2,377,042 | 2,257,163 |
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |
Total loans | 1,284,888 | 1,249,938 |
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Total loans | 3,777,758 | 3,744,346 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 7,425,934 | 7,237,517 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member] |  |  |
Total loans | 1,546,574 | 1,519,508 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 2,368,301 | 2,250,074 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member] |  |  |
Total loans | 1,280,381 | 1,243,603 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member] |  |  |
Total loans | 3,777,252 | 3,743,840 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | 13,754 | 13,930 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member] |  |  |
Total loans | 142 | 111 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 8,741 | 7,089 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member] |  |  |
Total loans | 4,507 | 6,335 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member] |  |  |
Total loans | 506 | 506 |
Consumer Portfolio Segment [Member] |  |  |
Total loans | 60,190 | 63,777 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 60,161 | 63,672 |
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | $ 29 | $ 105 |
[1] | derived from audited financial statements.

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