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Note 3 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Total loans | $ 11,658,829 | $ 11,687,968 | [1]
Performing Financial Instruments [Member] |  |  |
Total loans | 11,637,296 | 11,670,127 |
Nonperforming Financial Instruments [Member] |  |  |
Total loans | 21,533 | 17,841 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Total loans | 2,823,986 | 3,145,317 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 2,816,599 | 3,138,014 |
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | 7,387 | 7,303 |
Real Estate Portfolio Segment[Member] |  |  |
Total loans | 7,251,447 | 6,943,861 |
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |  |
Total loans | 1,519,619 | 1,532,388 |
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 2,257,163 | 2,199,280 |
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |  |
Total loans | 1,249,938 | 1,146,831 |
Real Estate Portfolio Segment[Member] | Other Mortgages [Member] |  |  |
Total loans | 3,744,346 | 3,597,750 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 7,237,517 | 6,933,413 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member] |  |  |
Total loans | 1,519,508 | 1,532,388 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 2,250,074 | 2,195,968 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member] |  |  |
Total loans | 1,243,603 | 1,144,713 |
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member] |  |  |
Total loans | 3,743,840 | 3,592,732 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | 13,930 | 10,448 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member] |  |  |
Total loans | 111 | 0 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member] |  |  |
Total loans | 7,089 | 3,312 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member] |  |  |
Total loans | 6,335 | 2,118 |
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member] |  |  |
Total loans | 506 | 5,018 |
Consumer Portfolio Segment [Member] |  |  |
Total loans | 63,777 | 66,402 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Total loans | 63,672 | 66,312 |
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |  |
Total loans | $ 105 | $ 90 |
[1] | derived from audited financial statements.

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