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Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Total loans | $ 12,886,831 | $ 12,605,836
Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 2,924,533 | 2,869,894
Real Estate Portfolio Segment[Member] |  |
Total loans | 8,297,574 | 8,173,009
Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Total loans | 1,599,410 | 1,489,306
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Total loans | 2,543,819 | 2,547,143
Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Total loans | 1,494,189 | 1,444,623
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 4,259,566 | 4,181,243
Consumer Portfolio Segment [Member] |  |
Total loans | 65,314 | 73,627
Performing Financial Instruments [Member] |  |
Total loans | 12,812,927 | 12,563,370
Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 2,887,647 | 2,844,164
Performing Financial Instruments [Member] | Real Estate Portfolio Segment[Member] |  |
Total loans | 8,268,849 | 8,157,715
Performing Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Total loans | 1,591,924 | 1,488,645
Performing Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Total loans | 2,527,352 | 2,538,399
Performing Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Total loans | 1,488,723 | 1,439,332
Performing Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 4,252,774 | 4,179,984
Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Total loans | 64,507 | 72,846
Nonperforming Financial Instruments [Member] |  |
Total loans | 73,904 | 42,466
Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Total loans | 36,886 | 25,730
Nonperforming Financial Instruments [Member] | Real Estate Portfolio Segment[Member] |  |
Total loans | 28,725 | 15,294
Nonperforming Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member] |  |
Total loans | 7,486 | 661
Nonperforming Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member] |  |
Total loans | 16,467 | 8,744
Nonperforming Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member] |  |
Total loans | 5,466 | 5,291
Nonperforming Financial Instruments [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member] |  |
Total loans | 6,792 | 1,259
Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] |  |
Total loans | $ 807 | $ 781

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