v3.26.1
Loans Receivable, Allowance for Credit Losses and Credit Quality - Loans Receivable by Internal Risk Grade by Year of Origination (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Term Loans Amortized Cost Basis by Origination Year          
Year 1 $ 671,506 $ 672,783   $ 671,506  
Year 2 741,129 627,941   741,129  
Year 3 582,866 880,127   582,866  
Year 4 915,807 1,090,725   915,807  
Year 5 997,489 605,694   997,489  
Prior 1,459,285 992,208   1,459,285  
Revolving Loans 1,065,283 1,124,538   1,065,283  
Total 6,433,365 5,994,016   6,433,365  
Incurred Loss Model - Nonaccrual Loans 0   $ 0 0 $ 0
Current period gross charge-offs          
Year 1   144      
Year 2 53        
Year 3 66 43      
Year 4 461 750      
Year 5 504 374      
Prior 1,282 3,786      
Revolving Loans 19 7      
Total 2,385 5,104 1,190 16,220 2,748
Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 627,827 606,550   627,827  
Year 2 666,109 572,940   666,109  
Year 3 535,896 837,743   535,896  
Year 4 804,573 940,097   804,573  
Year 5 904,632 549,309   904,632  
Prior 1,314,007 926,084   1,314,007  
Revolving Loans 1,033,809 1,067,931   1,033,809  
Total 5,886,853 5,500,654   5,886,853  
Special Mention          
Term Loans Amortized Cost Basis by Origination Year          
Year 2 22,558 14,350   22,558  
Year 3 12,671 36,047   12,671  
Year 4 103,723 94,555   103,723  
Year 5 44,497 14,694   44,497  
Prior 21,925 11,224   21,925  
Revolving Loans 19,237 45,454   19,237  
Total 224,611 216,324   224,611  
Substandard          
Term Loans Amortized Cost Basis by Origination Year          
Year 1   9,500      
Year 2   62      
Year 3 1,277 2,562   1,277  
Year 4 4,380 14,292   4,380  
Year 5 10,432 5,117   10,432  
Prior 72,392 34,196   72,392  
Revolving Loans 6,628 7,697   6,628  
Total 95,109 73,426   95,109  
Doubtful          
Term Loans Amortized Cost Basis by Origination Year          
Year 4   105      
Prior   10      
Total   115      
Loss          
Term Loans Amortized Cost Basis by Origination Year          
Year 5 9     9  
Total 9     9  
Not Formally Risk Related          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 43,679 56,733   43,679  
Year 2 52,462 40,589   52,462  
Year 3 33,022 3,775   33,022  
Year 4 3,131 41,676   3,131  
Year 5 37,919 36,574   37,919  
Prior 50,961 20,694   50,961  
Revolving Loans 5,609 3,456   5,609  
Total 226,783 203,497   226,783  
Residential real estate, portfolio          
Term Loans Amortized Cost Basis by Origination Year          
Total 1,386,290 1,329,758   1,386,290  
Residential real estate, portfolio | One to four-family residential          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 113,968 109,894   113,968  
Year 2 112,711 99,901   112,711  
Year 3 82,409 133,211   82,409  
Year 4 120,380 252,202   120,380  
Year 5 245,466 230,439   245,466  
Prior 509,066 312,524   509,066  
Revolving Loans 36,384 38,985   36,384  
Total 1,220,384 1,177,156   1,220,384  
Current period gross charge-offs          
Total       56  
Residential real estate, portfolio | One to four-family residential | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 113,968 109,894   113,968  
Year 2 112,711 99,901   112,711  
Year 3 82,409 133,211   82,409  
Year 4 120,380 252,202   120,380  
Year 5 245,466 230,200   245,466  
Prior 504,628 310,541   504,628  
Revolving Loans 36,256 38,849   36,256  
Total 1,215,818 1,174,798   1,215,818  
Residential real estate, portfolio | One to four-family residential | Special Mention          
Term Loans Amortized Cost Basis by Origination Year          
Prior 2,112     2,112  
Total 2,112     2,112  
Residential real estate, portfolio | One to four-family residential | Substandard          
Term Loans Amortized Cost Basis by Origination Year          
Year 5   239      
Prior 2,326 1,983   2,326  
Revolving Loans 128 136   128  
Total 2,454 2,358   2,454  
Residential real estate, portfolio | Home Equity          
Term Loans Amortized Cost Basis by Origination Year          
Year 2   543      
Year 3 624 370   624  
Year 4 369     369  
Prior 1,105 919   1,105  
Revolving Loans 163,808 150,770   163,808  
Total 165,906 152,602   165,906  
Residential real estate, portfolio | Home Equity | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 2   481      
Year 3 515 245   515  
Year 4 245     245  
Prior 655 919   655  
Revolving Loans 162,944 149,598   162,944  
Total 164,359 151,243   164,359  
Residential real estate, portfolio | Home Equity | Substandard          
Term Loans Amortized Cost Basis by Origination Year          
Year 2   62      
Year 3 109 125   109  
Year 4 124     124  
Prior 450     450  
Revolving Loans 864 1,172   864  
Total 1,547 1,359   1,547  
Commercial real estate and Commercial, portfolio          
Term Loans Amortized Cost Basis by Origination Year          
Total 4,602,635 4,179,812   4,602,635  
Commercial real estate, portfolio          
Term Loans Amortized Cost Basis by Origination Year          
Total 2,689,249 2,441,570   2,689,249  
Commercial real estate, portfolio | Commercial          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 186,468 277,427   186,468  
Year 2 319,918 189,478   319,918  
Year 3 172,951 302,563   172,951  
Year 4 308,530 400,572   308,530  
Year 5 401,377 170,880   401,377  
Prior 601,715 473,793   601,715  
Revolving Loans 130,568 109,330   130,568  
Total 2,121,527 1,924,043   2,121,527  
Current period gross charge-offs          
Year 4   18      
Prior 10        
Total 10 18   10  
Commercial real estate, portfolio | Commercial | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 186,468 277,427   186,468  
Year 2 319,918 176,824   319,918  
Year 3 159,558 268,778   159,558  
Year 4 275,167 350,792   275,167  
Year 5 366,381 166,603   366,381  
Prior 529,020 443,438   529,020  
Revolving Loans 130,568 109,330   130,568  
Total 1,967,080 1,793,192   1,967,080  
Commercial real estate, portfolio | Commercial | Special Mention          
Term Loans Amortized Cost Basis by Origination Year          
Year 2   12,654      
Year 3 12,654 33,785   12,654  
Year 4 33,363 49,323   33,363  
Year 5 33,784 4,277   33,784  
Prior 11,128 6,918   11,128  
Total 90,929 106,957   90,929  
Commercial real estate, portfolio | Commercial | Substandard          
Term Loans Amortized Cost Basis by Origination Year          
Year 3 739     739  
Year 4   457      
Year 5 1,212     1,212  
Prior 61,567 23,437   61,567  
Total 63,518 23,894   63,518  
Commercial real estate, portfolio | Multi-family residential          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 23,818 51,330   23,818  
Year 2 52,857 17,220   52,857  
Year 3 16,978 79,309   16,978  
Year 4 133,466 232,302   133,466  
Year 5 204,987 29,510   204,987  
Prior 134,322 106,112   134,322  
Revolving Loans 1,294 1,744   1,294  
Total 567,722 517,527   567,722  
Commercial real estate, portfolio | Multi-family residential | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 23,818 51,330   23,818  
Year 2 52,857 17,220   52,857  
Year 3 16,978 79,309   16,978  
Year 4 133,466 232,302   133,466  
Year 5 204,987 29,510   204,987  
Prior 134,322 106,112   134,322  
Revolving Loans 1,294 1,744   1,294  
Total 567,722 517,527   567,722  
Commercial, portfolio | Construction and land development          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 55,072 95,751   55,072  
Year 2 109,613 212,670   109,613  
Year 3 217,867 256,764   217,867  
Year 4 190,108 45,917   190,108  
Year 5 16,011 16,138   16,011  
Prior 18,385 3,476   18,385  
Revolving Loans 158,603 99,857   158,603  
Total 765,659 730,573   765,659  
Commercial, portfolio | Construction and land development | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 55,072 95,751   55,072  
Year 2 109,613 212,670   109,613  
Year 3 217,867 256,764   217,867  
Year 4 190,108 13,536   190,108  
Year 5 11,223 16,138   11,223  
Prior 18,385 3,466   18,385  
Revolving Loans 158,603 99,857   158,603  
Total 760,871 698,182   760,871  
Commercial, portfolio | Construction and land development | Special Mention          
Term Loans Amortized Cost Basis by Origination Year          
Year 4   32,381      
Year 5 4,788     4,788  
Total 4,788 32,381   4,788  
Commercial, portfolio | Construction and land development | Doubtful          
Term Loans Amortized Cost Basis by Origination Year          
Prior   10      
Total   10      
Commercial, portfolio | Commercial and industrial          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 248,501 81,648   248,501  
Year 2 93,568 67,540   93,568  
Year 3 59,015 104,135   59,015  
Year 4 159,823 118,056   159,823  
Year 5 91,729 122,153   91,729  
Prior 143,731 74,690   143,731  
Revolving Loans 351,360 439,447   351,360  
Total 1,147,727 1,007,669   1,147,727  
Current period gross charge-offs          
Year 4 7        
Prior 287 3,762      
Total 294 3,762   12,664  
Commercial, portfolio | Commercial and industrial | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 248,501 72,148   248,501  
Year 2 71,010 65,844   71,010  
Year 3 58,569 99,436   58,569  
Year 4 85,207 91,265   85,207  
Year 5 76,575 106,858   76,575  
Prior 126,997 61,608   126,997  
Revolving Loans 326,487 387,604   326,487  
Total 993,346 884,763   993,346  
Commercial, portfolio | Commercial and industrial | Special Mention          
Term Loans Amortized Cost Basis by Origination Year          
Year 2 22,558 1,696   22,558  
Year 3 17 2,262   17  
Year 4 70,360 12,851   70,360  
Year 5 5,925 10,417   5,925  
Prior 8,685 4,306   8,685  
Revolving Loans 19,237 45,454   19,237  
Total 126,782 76,986   126,782  
Commercial, portfolio | Commercial and industrial | Substandard          
Term Loans Amortized Cost Basis by Origination Year          
Year 1   9,500      
Year 3 429 2,437   429  
Year 4 4,256 13,835   4,256  
Year 5 9,220 4,878   9,220  
Prior 8,049 8,776   8,049  
Revolving Loans 5,636 6,389   5,636  
Total 27,590 45,815   27,590  
Commercial, portfolio | Commercial and industrial | Doubtful          
Term Loans Amortized Cost Basis by Origination Year          
Year 4   105      
Total   105      
Commercial, portfolio | Commercial and industrial | Loss          
Term Loans Amortized Cost Basis by Origination Year          
Year 5 9     9  
Total 9     9  
Consumer, portfolio          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 43,679 56,733   43,679  
Year 2 52,462 40,589   52,462  
Year 3 33,022 3,775   33,022  
Year 4 3,131 41,676   3,131  
Year 5 37,919 36,574   37,919  
Prior 50,961 20,694   50,961  
Revolving Loans 5,609 3,456   5,609  
Total 226,783 203,497   226,783  
Incurred Loss Model - Nonaccrual Loans 1,700 1,500   1,700  
Current period gross charge-offs          
Year 1   144      
Year 2 53        
Year 3 66 43      
Year 4 454 732      
Year 5 504 374      
Prior 985 24      
Revolving Loans 19 7      
Total 2,081 1,324 $ 1,190 3,490 $ 2,748
Consumer, portfolio | Not Formally Risk Related          
Term Loans Amortized Cost Basis by Origination Year          
Year 1 43,679 56,733   43,679  
Year 2 52,462 40,589   52,462  
Year 3 33,022 3,775   33,022  
Year 4 3,131 41,676   3,131  
Year 5 37,919 36,574   37,919  
Prior 50,961 20,694   50,961  
Revolving Loans 5,609 3,456   5,609  
Total 226,783 203,497   226,783  
Mortgage warehouse, portfolio          
Term Loans Amortized Cost Basis by Origination Year          
Revolving Loans 217,657 280,949   217,657  
Total 217,657 280,949   217,657  
Mortgage warehouse, portfolio | Pass          
Term Loans Amortized Cost Basis by Origination Year          
Revolving Loans 217,657 280,949   217,657  
Total $ 217,657 $ 280,949   $ 217,657