Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Loans by Credit Quality Indicators, Loans Type and Year of Origination (Details)

v3.23.3
Note 5 - Loans - Loans by Credit Quality Indicators, Loans Type and Year of Origination (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Pass $ 718,377   $ 718,377   $ 3,184,887
Pass 3,294,796   3,294,796   2,897,101
Pass 2,675,080   2,675,080   1,349,872
Pass 1,129,652   1,129,652   809,041
Pass 654,673   654,673   435,399
Pass 1,434,902   1,434,902   1,209,613
Pass 1,731,771   1,731,771   1,802,055
Pass     1,879    
Pass 11,641,130   11,641,130   11,687,968 [1]
Current-period gross charge-offs, current year     1,213    
Current-period gross charge-offs, year two     4,717    
Current-period gross charge-offs, year three     2,550    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     121    
Current-period gross charge-offs, prior     476    
Current-period gross charge-offs, revolving     2,339    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs 5,143 $ 3,332 11,416 $ 7,821  
Performing Financial Instruments [Member]          
Pass 11,618,527   11,618,527   11,670,127
Nonperforming Financial Instruments [Member]          
Pass 22,603   22,603   17,841
Commercial Real Estate Portfolio Segment [Member]          
Pass 261,866   261,866    
Pass 485,258   485,258    
Pass 421,350   421,350    
Pass 181,154   181,154    
Pass 118,701   118,701    
Pass 205,878   205,878    
Pass 1,215,750   1,215,750    
Pass     578    
Pass 2,890,535   2,890,535   3,145,317
Current-period gross charge-offs, current year     1,213    
Current-period gross charge-offs, year two     4,677    
Current-period gross charge-offs, year three     2,531    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     4    
Current-period gross charge-offs, prior     476    
Current-period gross charge-offs, revolving     1,497    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs     10,398    
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]          
Pass 2,881,861   2,881,861   3,138,014
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]          
Pass 8,674   8,674   7,303
Real Estate Portfolio Segment[Member]          
Pass 7,173,907   7,173,907   6,943,861
Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Pass 137,301   137,301   621,078
Pass 867,888   867,888   638,126
Pass 353,340   353,340   156,834
Pass 55,083   55,083   15,197
Pass 6,071   6,071   13,261
Pass 22,291   22,291   15,720
Pass 67,763   67,763   72,172
Pass     200    
Pass 1,509,937   1,509,937   1,532,388
Current-period gross charge-offs, current year     0    
Current-period gross charge-offs, year two     0    
Current-period gross charge-offs, year three     19    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     0    
Current-period gross charge-offs, prior     0    
Current-period gross charge-offs, revolving     0    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs 19 (0) 19 (0)  
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]          
Pass 100,586   100,586   426,683
Pass 456,648   456,648    
Pass 541,400   541,400   352,375
Pass 313,493   313,493   202,783
Pass 196,976   196,976   161,886
Pass 562,759   562,759   493,416
Pass 64,968   64,968   65,839
Pass     854    
Pass 2,237,684   2,237,684   2,199,280
Current-period gross charge-offs, current year     0    
Current-period gross charge-offs, year two     0    
Current-period gross charge-offs, year three     0    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     117    
Current-period gross charge-offs, prior     0    
Current-period gross charge-offs, revolving     0    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs     117    
Real Estate Portfolio Segment[Member] | One to Four Family [Member]          
Pass 111,963   111,963   389,093
Pass 374,873   374,873   274,239
Pass 237,309   237,309   94,492
Pass 79,612   79,612   53,232
Pass 48,768   48,768   29,639
Pass 67,213   67,213   59,617
Pass 250,361   250,361   246,519
Pass     0    
Pass 1,170,099   1,170,099   1,146,831
Current-period gross charge-offs, current year     0    
Current-period gross charge-offs, year two     40    
Current-period gross charge-offs, year three     0    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     0    
Current-period gross charge-offs, prior     0    
Current-period gross charge-offs, revolving     0    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs     40    
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]          
Pass 86,069   86,069   1,027,978
Pass 1,106,115   1,106,115   976,208
Pass 1,116,900   1,116,900   517,392
Pass 498,233   498,233   380,234
Pass 282,745   282,745   134,797
Pass 574,009   574,009   485,472
Pass 101,806   101,806   75,669
Pass     247    
Pass 3,766,124   3,766,124   3,597,750
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]          
Pass 7,160,351   7,160,351   6,933,413
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]          
Pass 1,509,737   1,509,737   1,532,388
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]          
Pass 2,230,678   2,230,678   2,195,968
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]          
Pass 1,164,055   1,164,055   1,144,713
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]          
Pass 3,765,618   3,765,618   3,592,732
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]          
Pass 13,556   13,556   10,448
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]          
Pass 200   200   0
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]          
Pass 7,006   7,006   3,312
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]          
Pass 6,044   6,044   2,118
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]          
Pass 506   506   5,018
Consumer Portfolio Segment [Member]          
Pass 20,592   20,592   21,132
Pass 4,014   4,014    
Pass 4,781   4,781   4,203
Pass 2,077   2,077   1,759
Pass 1,412   1,412   440
Pass 2,752   2,752   3,002
Pass 31,123   31,123   30,021
Pass     0    
Pass 66,751   66,751   66,402
Current-period gross charge-offs, current year     0    
Current-period gross charge-offs, year two     0    
Current-period gross charge-offs, year three     0    
Current-period gross charge-offs, year four     0    
Current-period gross charge-offs, year five     0    
Current-period gross charge-offs, prior     0    
Current-period gross charge-offs, revolving     842    
Current-period gross charge-offs, revolving converted to term     0    
Current-period gross charge-offs 341 $ 260 842 $ 459  
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]          
Pass 66,578   66,578   66,312
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]          
Pass 173   173   90
Pass [Member]          
Pass 709,028   709,028   3,172,373
Pass 3,288,458   3,288,458   2,892,640
Pass 2,654,664   2,654,664   1,347,172
Pass 1,112,630   1,112,630   793,843
Pass 631,616   631,616   407,411
Pass 1,365,962   1,365,962   1,158,865
Pass 1,693,962   1,693,962   1,752,649
Pass     1,666    
Pass 11,457,986   11,457,986   11,524,953
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]          
Pass 259,905   259,905   691,817
Pass 482,415   482,415   502,648
Pass 411,742   411,742   223,096
Pass 174,227   174,227   144,587
Pass 107,571   107,571   78,477
Pass 167,772   167,772   134,893
Pass 1,180,671   1,180,671   1,267,333
Pass     565    
Pass 2,784,868   2,784,868   3,042,851
Pass [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Pass 137,298   137,298   618,578
Pass 867,332   867,332   638,126
Pass 353,340   353,340   156,834
Pass 55,083   55,083   15,197
Pass 6,071   6,071   12,063
Pass 21,297   21,297   14,847
Pass 67,763   67,763   72,172
Pass     0    
Pass 1,508,184   1,508,184   1,527,817
Pass [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]          
Pass 93,823   93,823   424,321
Pass 455,222   455,222   496,298
Pass 533,643   533,643   352,375
Pass 305,149   305,149   199,987
Pass 186,042   186,042   157,204
Pass 546,139   546,139   477,926
Pass 64,968   64,968   64,152
Pass     854    
Pass 2,185,840   2,185,840   2,172,263
Pass [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]          
Pass 111,341   111,341   388,778
Pass 373,591   373,591   273,515
Pass 234,258   234,258   93,272
Pass 77,861   77,861   52,209
Pass 47,905   47,905   28,999
Pass 65,376   65,376   57,512
Pass 248,681   248,681   243,302
Pass     0    
Pass 1,159,013   1,159,013   1,137,587
Pass [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]          
Pass 86,069   86,069   1,027,747
Pass 1,105,884   1,105,884   976,208
Pass 1,116,900   1,116,900   517,392
Pass 498,233   498,233   380,104
Pass 282,615   282,615   130,228
Pass 562,626   562,626   470,699
Pass 100,756   100,756   75,669
Pass     247    
Pass 3,753,330   3,753,330   3,578,047
Pass [Member] | Consumer Portfolio Segment [Member]          
Pass 20,592   20,592   21,132
Pass 4,014   4,014   5,845
Pass 4,781   4,781   4,203
Pass 2,077   2,077   1,759
Pass 1,412   1,412   440
Pass 2,752   2,752   2,988
Pass 31,123   31,123   30,021
Pass     0    
Pass 66,751   66,751   66,388
Special Mention [Member]          
Pass 6,509   6,509   12,314
Pass 4,729   4,729   4,182
Pass 18,117   18,117   1,917
Pass 15,436   15,436   4,846
Pass 10,334   10,334   5,546
Pass 14,138   14,138   16,744
Pass 28,208   28,208   34,057
Pass     13    
Pass 97,484   97,484   79,606
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]          
Pass 504   504   6,906
Pass 2,368   2,368   3,737
Pass 8,285   8,285   1,101
Pass 6,070   6,070   1,748
Pass 1,629   1,629   570
Pass 6,317   6,317   898
Pass 25,731   25,731   29,516
Pass     13    
Pass 50,917   50,917   44,476
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Pass 3   3   2,500
Pass 556   556   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   873
Pass 0   0   0
Pass     0    
Pass 559   559   3,373
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]          
Pass 5,380   5,380   2,362
Pass 1,426   1,426   0
Pass 7,757   7,757   0
Pass 8,344   8,344   2,723
Pass 8,605   8,605   4,682
Pass 7,591   7,591   6,917
Pass 0   0   1,687
Pass     0    
Pass 39,103   39,103   18,371
Special Mention [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]          
Pass 622   622   315
Pass 379   379   445
Pass 2,075   2,075   816
Pass 1,022   1,022   375
Pass 100   100   294
Pass 230   230   881
Pass 1,427   1,427   2,854
Pass     0    
Pass 5,855   5,855   5,980
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]          
Pass 0   0   231
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   7,161
Pass 1,050   1,050   0
Pass     0    
Pass 1,050   1,050   7,392
Special Mention [Member] | Consumer Portfolio Segment [Member]          
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   0
Pass 0   0   14
Pass 0   0   0
Pass     0    
Pass 0   0   14
Substandard [Member]          
Pass         200
Pass         279
Pass         783
Pass         10,352
Pass         22,442
Pass         34,004
Pass         15,349
Pass         83,409
Substandard [Member] | Performing Financial Instruments [Member]          
Pass 2,840   2,840    
Pass 231   231    
Pass 409   409    
Pass 372   372    
Pass 9,501   9,501    
Pass 45,425   45,425    
Pass 5,971   5,971    
Pass     0    
Pass 64,749   64,749    
Substandard [Member] | Nonperforming Financial Instruments [Member]          
Pass 0   0    
Pass 1,378   1,378    
Pass 1,890   1,890    
Pass 1,214   1,214    
Pass 3,222   3,222    
Pass 9,377   9,377    
Pass 3,630   3,630    
Pass     200    
Pass 20,911   20,911    
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]          
Pass         200
Pass         0
Pass         379
Pass         9,501
Pass         16,329
Pass         16,595
Pass         14,986
Pass         57,990
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]          
Pass 1,457   1,457    
Pass 0   0    
Pass 409   409    
Pass 372   372    
Pass 9,501   9,501    
Pass 28,642   28,642    
Pass 5,718   5,718    
Pass     0    
Pass 46,099   46,099    
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]          
Pass 0   0    
Pass 475   475    
Pass 914   914    
Pass 485   485    
Pass 0   0    
Pass 3,147   3,147    
Pass 3,630   3,630    
Pass     0    
Pass 8,651   8,651    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]          
Pass         0
Pass         0
Pass         0
Pass         0
Pass         1,198
Pass         0
Pass         0
Pass         1,198
Substandard [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]          
Pass         0
Pass         0
Pass         0
Pass         73
Pass         0
Pass         8,573
Pass         0
Pass         8,646
Substandard [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]          
Pass         0
Pass         279
Pass         404
Pass         648
Pass         346
Pass         1,224
Pass         363
Pass         3,264
Substandard [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]          
Pass         0
Pass         0
Pass         0
Pass         130
Pass         4,569
Pass         7,612
Pass         0
Pass         12,311
Substandard [Member] | Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 994   994    
Pass 0   0    
Pass     0    
Pass 994   994    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]          
Pass 1,383   1,383    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 4,353   4,353    
Pass 0   0    
Pass     0    
Pass 5,736   5,736    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 429   429    
Pass 253   253    
Pass     0    
Pass 682   682    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]          
Pass 0   0    
Pass 231   231    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 11,007   11,007    
Pass 0   0    
Pass     0    
Pass 11,238   11,238    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass     200    
Pass 200   200    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 2,329   2,329    
Pass 4,676   4,676    
Pass 0   0    
Pass     0    
Pass 7,005   7,005    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]          
Pass 0   0    
Pass 903   903    
Pass 976   976    
Pass 729   729    
Pass 763   763    
Pass 1,178   1,178    
Pass 0   0    
Pass     0    
Pass 4,549   4,549    
Substandard [Member] | Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 130   130    
Pass 376   376    
Pass 0   0    
Pass     0    
Pass 506   506    
Substandard [Member] | Consumer Portfolio Segment [Member]          
Pass         0
Pass         0
Pass         0
Pass         0
Pass         0
Pass         0
Pass         0
Pass         0
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]          
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass 0   0    
Pass     0    
Pass $ 0   $ 0    
Doubtful [Member] | Commercial Real Estate Portfolio Segment [Member]          
Pass         698,923
Pass         506,385
Pass         224,576
Pass         155,836
Pass         95,376
Pass         152,386
Pass         1,311,835
Pass         $ 3,145,317
[1] derived from audited financial statements.