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Note 8 - Loans - Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Originated current year | $ 1,674,421 |  | $ 1,674,421 |  | $ 2,545,564
Originated prior year | 2,373,720 |  | 2,373,720 |  | 3,349,730
Originated two years prior | 3,160,362 |  | 3,160,362 |  | 3,168,851
Originated three years prior | 2,932,953 |  | 2,932,953 |  | 2,593,759
Originated four years prior | 2,404,364 |  | 2,404,364 |  | 1,364,973
Originated years prior | 4,841,222 |  | 4,841,222 |  | 4,069,831
Revolving | 2,357,014 |  | 2,357,014 |  | 2,248,231
Converted to Term | 26,812 |  | 26,812 |  | 24,475
Loans | 19,770,868 |  | 19,770,868 |  | 19,365,414
Current year, write offs |  |  | 0 |  | 188
Prior year, write offs |  |  | 94 |  | 1,586
Two years prior, write offs |  |  | 208 |  | 3,166
Three years prior, write offs |  |  | 417 |  | 9,009
Four years prior, write offs |  |  | 3,094 |  | 553
Years prior, write offs |  |  | 8,989 |  | 4,237
Revolving, write offs |  |  | 2,572 |  | 12,733
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs | 13,030 | $ 8,257 | 15,374 | $ 10,450 | 31,472
Commercial Portfolio Segment [Member] |  |  |  |  |
Originated current year | 170,446 |  | 170,446 |  | 402,743
Originated prior year | 299,016 |  | 299,016 |  | 259,797
Originated two years prior | 263,161 |  | 263,161 |  | 216,034
Originated three years prior | 177,157 |  | 177,157 |  | 211,728
Originated four years prior | 170,449 |  | 170,449 |  | 58,833
Originated years prior | 155,045 |  | 155,045 |  | 102,119
Revolving | 1,949,046 |  | 1,949,046 |  | 1,835,445
Converted to Term | 8,082 |  | 8,082 |  | 8,026
Loans | 3,192,402 |  | 3,192,402 |  | 3,094,725
Current year, write offs |  |  | 0 |  | 188
Prior year, write offs |  |  | 20 |  | 1,586
Two years prior, write offs |  |  | 208 |  | 3,151
Three years prior, write offs |  |  | 417 |  | 8,950
Four years prior, write offs |  |  | 2,164 |  | 257
Years prior, write offs |  |  | 6,080 |  | 64
Revolving, write offs |  |  | 2,572 |  | 12,730
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs | 9,117 | 8,257 | 11,461 | 10,196 | 26,926
Commercial Portfolio Segment [Member] | Pass [Member] |  |  |  |  |
Originated current year | 166,901 |  | 166,901 |  | 400,836
Originated prior year | 288,266 |  | 288,266 |  | 237,303
Originated two years prior | 241,500 |  | 241,500 |  | 203,190
Originated three years prior | 163,651 |  | 163,651 |  | 201,837
Originated four years prior | 166,698 |  | 166,698 |  | 27,359
Originated years prior | 121,416 |  | 121,416 |  | 90,724
Revolving | 1,785,634 |  | 1,785,634 |  | 1,675,260
Converted to Term | 7,520 |  | 7,520 |  | 7,804
Loans | 2,941,586 |  | 2,941,586 |  | 2,844,313
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |  |  |  |
Originated current year | 3,500 |  | 3,500 |  | 0
Originated prior year | 0 |  | 0 |  | 17,424
Originated two years prior | 0 |  | 0 |  | 740
Originated three years prior | 2,834 |  | 2,834 |  | 0
Originated four years prior | 0 |  | 0 |  | 9,117
Originated years prior | 4,121 |  | 4,121 |  | 5,139
Revolving | 108,087 |  | 108,087 |  | 92,632
Converted to Term | 0 |  | 0 |  | 0
Loans | 118,542 |  | 118,542 |  | 125,052
Commercial Portfolio Segment [Member] | Substandard [Member] |  |  |  |  |
Originated current year | 45 |  | 45 |  | 50
Originated prior year | 10,750 |  | 10,750 |  | 5,070
Originated two years prior | 21,661 |  | 21,661 |  | 12,104
Originated three years prior | 10,672 |  | 10,672 |  | 6,773
Originated four years prior | 3,751 |  | 3,751 |  | 22,357
Originated years prior | 29,508 |  | 29,508 |  | 6,256
Revolving | 55,325 |  | 55,325 |  | 67,553
Converted to Term | 562 |  | 562 |  | 222
Loans | 132,274 |  | 132,274 |  | 120,385
Commercial Portfolio Segment [Member] | Doubtful [Member] |  |  |  |  |
Originated current year |  |  |  |  | 1,857
Originated prior year |  |  |  |  | 0
Originated two years prior |  |  |  |  | 0
Originated three years prior |  |  |  |  | 3,118
Originated four years prior |  |  |  |  | 0
Originated years prior |  |  |  |  | 0
Revolving |  |  |  |  | 0
Converted to Term |  |  |  |  | 0
Loans |  |  |  |  | 4,975
Real Estate Construction Portfolio Segment [Member] |  |  |  |  |
Originated current year | 11,888 |  | 11,888 |  | 22,562
Originated prior year | 52,571 |  | 52,571 |  | 60,065
Originated two years prior | 65,643 |  | 65,643 |  | 126,200
Originated three years prior | 96,013 |  | 96,013 |  | 93,115
Originated four years prior | 59,598 |  | 59,598 |  | 16,858
Originated years prior | 11,547 |  | 11,547 |  | 0
Revolving | 2,637 |  | 2,637 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 299,897 |  | 299,897 |  | 318,800
Current year, write offs |  |  | 0 |  | 0
Prior year, write offs |  |  | 0 |  | 0
Two years prior, write offs |  |  | 0 |  | 0
Three years prior, write offs |  |  | 0 |  | 0
Four years prior, write offs |  |  | 0 |  | 0
Years prior, write offs |  |  | 0 |  | 0
Revolving, write offs |  |  | 0 |  | 0
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs | (0) | (0) | 0 | (0) | 0
Real Estate Construction Portfolio Segment [Member] | Pass [Member] |  |  |  |  |
Originated current year | 11,888 |  | 11,888 |  | 22,562
Originated prior year | 52,571 |  | 52,571 |  | 55,835
Originated two years prior | 61,413 |  | 61,413 |  | 126,200
Originated three years prior | 93,629 |  | 93,629 |  | 57,546
Originated four years prior | 29,452 |  | 29,452 |  | 3,021
Originated years prior | 3,108 |  | 3,108 |  | 0
Revolving | 2,637 |  | 2,637 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 254,698 |  | 254,698 |  | 265,164
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 0
Originated three years prior | 2,384 |  | 2,384 |  | 35,569
Originated four years prior | 30,146 |  | 30,146 |  | 13,837
Originated years prior | 0 |  | 0 |  | 0
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 32,530 |  | 32,530 |  | 49,406
Real Estate Construction Portfolio Segment [Member] | Substandard [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 4,230
Originated two years prior | 4,230 |  | 4,230 |  | 0
Originated three years prior | 0 |  | 0 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 8,439 |  | 8,439 |  | 0
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 12,669 |  | 12,669 |  | 4,230
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Originated current year | 1,042,251 |  | 1,042,251 |  | 1,472,030
Originated prior year | 1,455,324 |  | 1,455,324 |  | 2,006,936
Originated two years prior | 1,874,958 |  | 1,874,958 |  | 1,807,297
Originated three years prior | 1,690,794 |  | 1,690,794 |  | 1,502,515
Originated four years prior | 1,441,955 |  | 1,441,955 |  | 832,435
Originated years prior | 2,655,412 |  | 2,655,412 |  | 2,206,768
Revolving | 191,509 |  | 191,509 |  | 198,485
Converted to Term | 1,873 |  | 1,873 |  | 0
Loans | 10,354,076 |  | 10,354,076 |  | 10,026,466
Current year, write offs |  |  | 0 |  | 0
Prior year, write offs |  |  | 0 |  | 0
Two years prior, write offs |  |  | 0 |  | 0
Three years prior, write offs |  |  | 0 |  | 0
Four years prior, write offs |  |  | 930 |  | 296
Years prior, write offs |  |  | 2,909 |  | 4,173
Revolving, write offs |  |  | 0 |  | 0
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs | 3,839 | (0) | 3,839 | 251 | 4,469
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |  |  |  |
Originated current year | 1,020,084 |  | 1,020,084 |  | 1,463,225
Originated prior year | 1,440,094 |  | 1,440,094 |  | 1,987,280
Originated two years prior | 1,852,003 |  | 1,852,003 |  | 1,724,563
Originated three years prior | 1,571,769 |  | 1,571,769 |  | 1,428,124
Originated four years prior | 1,343,369 |  | 1,343,369 |  | 800,645
Originated years prior | 2,542,860 |  | 2,542,860 |  | 2,108,143
Revolving | 168,059 |  | 168,059 |  | 180,394
Converted to Term | 0 |  | 0 |  | 0
Loans | 9,938,238 |  | 9,938,238 |  | 9,692,374
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |  |  |  |
Originated current year | 19,687 |  | 19,687 |  | 8,805
Originated prior year | 177 |  | 177 |  | 8,292
Originated two years prior | 11,610 |  | 11,610 |  | 28,465
Originated three years prior | 54,989 |  | 54,989 |  | 16,462
Originated four years prior | 35,551 |  | 35,551 |  | 24,844
Originated years prior | 17,973 |  | 17,973 |  | 19,888
Revolving | 17,746 |  | 17,746 |  | 9,939
Converted to Term | 0 |  | 0 |  | 0
Loans | 157,733 |  | 157,733 |  | 116,695
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |  |  |  |
Originated current year | 2,480 |  | 2,480 |  | 0
Originated prior year | 15,053 |  | 15,053 |  | 11,364
Originated two years prior | 11,345 |  | 11,345 |  | 54,269
Originated three years prior | 64,036 |  | 64,036 |  | 57,929
Originated four years prior | 63,035 |  | 63,035 |  | 6,946
Originated years prior | 94,579 |  | 94,579 |  | 78,737
Revolving | 5,704 |  | 5,704 |  | 8,152
Converted to Term | 1,873 |  | 1,873 |  | 0
Loans | 258,105 |  | 258,105 |  | 217,397
Residential Portfolio Segment [Member] |  |  |  |  |
Originated current year | 449,836 |  | 449,836 |  | 642,965
Originated prior year | 566,809 |  | 566,809 |  | 1,022,932
Originated two years prior | 956,600 |  | 956,600 |  | 1,019,204
Originated three years prior | 967,911 |  | 967,911 |  | 786,401
Originated four years prior | 732,362 |  | 732,362 |  | 456,847
Originated years prior | 2,019,218 |  | 2,019,218 |  | 1,760,944
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 5,692,736 |  | 5,692,736 |  | 5,689,293
Current year, write offs |  |  | 0 |  | 0
Prior year, write offs |  |  | 74 |  | 0
Two years prior, write offs |  |  | 0 |  | 0
Three years prior, write offs |  |  | 0 |  | 59
Four years prior, write offs |  |  | 0 |  | 0
Years prior, write offs |  |  | 0 |  | 0
Revolving, write offs |  |  | 0 |  | 0
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs |  |  | 74 |  | 59
Residential Portfolio Segment [Member] | Pass [Member] |  |  |  |  |
Originated current year | 449,805 |  | 449,805 |  | 642,568
Originated prior year | 565,116 |  | 565,116 |  | 1,020,419
Originated two years prior | 953,064 |  | 953,064 |  | 1,014,842
Originated three years prior | 965,617 |  | 965,617 |  | 781,218
Originated four years prior | 728,568 |  | 728,568 |  | 452,623
Originated years prior | 2,001,003 |  | 2,001,003 |  | 1,745,923
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 5,663,173 |  | 5,663,173 |  | 5,657,593
Residential Portfolio Segment [Member] | Special Mention [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 0
Originated three years prior | 0 |  | 0 |  | 0
Originated four years prior | 0 |  | 0 |  | 33
Originated years prior | 1,604 |  | 1,604 |  | 1,585
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 1,604 |  | 1,604 |  | 1,618
Residential Portfolio Segment [Member] | Substandard [Member] |  |  |  |  |
Originated current year | 31 |  | 31 |  | 397
Originated prior year | 1,693 |  | 1,693 |  | 2,513
Originated two years prior | 3,536 |  | 3,536 |  | 4,362
Originated three years prior | 2,294 |  | 2,294 |  | 5,183
Originated four years prior | 3,794 |  | 3,794 |  | 4,191
Originated years prior | 16,611 |  | 16,611 |  | 13,436
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 27,959 |  | 27,959 |  | 30,082
Equity Lines Portfolio Segment [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 72
Originated three years prior | 0 |  | 0 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 0 |  | 0 |  | 0
Revolving | 213,822 |  | 213,822 |  | 214,301
Converted to Term | 16,857 |  | 16,857 |  | 16,449
Loans | 230,679 |  | 230,679 |  | 230,822
Current year, write offs |  |  | 0 |  | 0
Prior year, write offs |  |  | 0 |  | 0
Two years prior, write offs |  |  | 0 |  | 0
Three years prior, write offs |  |  | 0 |  | 0
Four years prior, write offs |  |  | 0 |  | 0
Years prior, write offs |  |  | 0 |  | 0
Revolving, write offs |  |  | 0 |  | 3
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs |  |  | 0 |  | 3
Equity Lines Portfolio Segment [Member] | Pass [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 72
Originated three years prior | 0 |  | 0 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 0 |  | 0 |  | 0
Revolving | 212,868 |  | 212,868 |  | 211,374
Converted to Term | 16,720 |  | 16,720 |  | 16,277
Loans | 229,588 |  | 229,588 |  | 227,723
Equity Lines Portfolio Segment [Member] | Special Mention [Member] |  |  |  |  |
Originated current year |  |  |  |  | 0
Originated prior year |  |  |  |  | 0
Originated two years prior |  |  |  |  | 0
Originated three years prior |  |  |  |  | 0
Originated four years prior |  |  |  |  | 0
Originated years prior |  |  |  |  | 0
Revolving |  |  |  |  | 0
Converted to Term |  |  |  |  | 11
Loans |  |  |  |  | 11
Equity Lines Portfolio Segment [Member] | Substandard [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 0
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 0
Originated three years prior | 0 |  | 0 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 0 |  | 0 |  | 0
Revolving | 954 |  | 954 |  | 2,927
Converted to Term | 137 |  | 137 |  | 161
Loans | 1,091 |  | 1,091 |  | 3,088
Installment and Other Loans [Member ] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 5,264
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 44
Originated three years prior | 1,078 |  | 1,078 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 0 |  | 0 |  | 0
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | 1,078 |  | 1,078 |  | 5,308
Current year, write offs |  |  | 0 |  | 0
Prior year, write offs |  |  | 0 |  | 0
Two years prior, write offs |  |  | 0 |  | 15
Three years prior, write offs |  |  | 0 |  | 0
Four years prior, write offs |  |  | 0 |  | 0
Years prior, write offs |  |  | 0 |  | 0
Revolving, write offs |  |  | 0 |  | 0
Converted to term, write offs |  |  | 0 |  | 0
Loans, write offs | (0) | $ (0) | 0 | $ (0) | 15
Installment and Other Loans [Member ] | Pass [Member] |  |  |  |  |
Originated current year | 0 |  | 0 |  | 5,264
Originated prior year | 0 |  | 0 |  | 0
Originated two years prior | 0 |  | 0 |  | 44
Originated three years prior | 1,078 |  | 1,078 |  | 0
Originated four years prior | 0 |  | 0 |  | 0
Originated years prior | 0 |  | 0 |  | 0
Revolving | 0 |  | 0 |  | 0
Converted to Term | 0 |  | 0 |  | 0
Loans | $ 1,078 |  | $ 1,078 |  | $ 5,308

X
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