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Loans Receivable and Allowance for Credit Losses - Summary of Total Loans by Year of Origination and Internally Assigned Credit Risk Ratings (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year $ 630,158 $ 385,781  
Total loans originated in fiscal year before latest fiscal year 354,496 618,607  
Total loans originated two years before latest fiscal year 522,399 483,179  
Total loans originated three years before latest fiscal year 388,649 207,265  
Total loans originated four years before latest fiscal year 183,096 130,791  
Total loans originated five or more years before latest fiscal year 546,112 482,397  
Total 2,624,910 2,308,020 $ 1,921,572
Business Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 26,962    
Total loans originated in fiscal year before latest fiscal year 17,220    
Total loans originated two years before latest fiscal year 6,421    
Total loans originated three years before latest fiscal year 124    
Total loans originated four years before latest fiscal year 535    
Total loans originated five or more years before latest fiscal year 1,801    
Total 53,063 40,849 19,779
Consumer Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 625 1,038 8,966
Construction and Land      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 854,096 733,660 503,925
Mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 602,921 360,823  
Total loans originated in fiscal year before latest fiscal year 337,149 613,253  
Total loans originated two years before latest fiscal year 515,818 480,572  
Total loans originated three years before latest fiscal year 388,468 203,618  
Total loans originated four years before latest fiscal year 182,555 128,767  
Total loans originated five or more years before latest fiscal year 544,311 479,100  
Total 2,571,222 2,266,133  
Mortgage Loans | Construction and Land      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 279,271 125,883  
Total loans originated in fiscal year before latest fiscal year 143,515 454,062  
Total loans originated two years before latest fiscal year 363,585 131,703  
Total loans originated three years before latest fiscal year 56,297 16,290  
Total loans originated four years before latest fiscal year 3,180 915  
Total loans originated five or more years before latest fiscal year 8,248 4,807  
Total 854,096 733,660  
Mortgage Loans | Construction and Land | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 279,271 125,883  
Total loans originated in fiscal year before latest fiscal year 143,515 448,811  
Total loans originated two years before latest fiscal year 358,926 131,703  
Total loans originated three years before latest fiscal year 56,297 13,110  
Total loans originated four years before latest fiscal year   915  
Total 838,009 720,422  
Mortgage Loans | Construction and Land | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated two years before latest fiscal year 4,659    
Total loans originated three years before latest fiscal year   3,180  
Total 4,659 3,180  
Mortgage Loans | Construction and Land | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in fiscal year before latest fiscal year   5,251  
Total loans originated four years before latest fiscal year 3,180    
Total loans originated five or more years before latest fiscal year 8,248 4,807  
Total 11,428 10,058  
Non-mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 27,237 24,958  
Total loans originated in fiscal year before latest fiscal year 17,347 5,354  
Total loans originated two years before latest fiscal year 6,581 2,607  
Total loans originated three years before latest fiscal year 181 3,647  
Total loans originated four years before latest fiscal year 541 2,024  
Total loans originated five or more years before latest fiscal year 1,801 3,297  
Total 53,688 41,887  
Non-mortgage Loans | Business Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year   24,356  
Total loans originated in fiscal year before latest fiscal year   5,032  
Total loans originated two years before latest fiscal year   2,514  
Total loans originated three years before latest fiscal year   3,631  
Total loans originated four years before latest fiscal year   2,022  
Total loans originated five or more years before latest fiscal year   3,294  
Total 53,063 40,849  
Non-mortgage Loans | Business Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 26,618 24,356  
Total loans originated in fiscal year before latest fiscal year 17,183 5,032  
Total loans originated two years before latest fiscal year 6,421 2,379  
Total loans originated three years before latest fiscal year 105 2,760  
Total loans originated four years before latest fiscal year 457 2,022  
Total loans originated five or more years before latest fiscal year 1,609 3,079  
Total 52,393 39,628  
Non-mortgage Loans | Business Loans | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 344    
Total loans originated two years before latest fiscal year   135  
Total loans originated three years before latest fiscal year 7 871  
Total loans originated five or more years before latest fiscal year 192 215  
Total 543 1,221  
Non-mortgage Loans | Business Loans | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in fiscal year before latest fiscal year 37    
Total loans originated three years before latest fiscal year 12    
Total loans originated four years before latest fiscal year 78    
Total 127    
Non-mortgage Loans | Consumer Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 275 602  
Total loans originated in fiscal year before latest fiscal year 127 322  
Total loans originated two years before latest fiscal year 160 93  
Total loans originated three years before latest fiscal year 57 16  
Total loans originated four years before latest fiscal year 6 2  
Total loans originated five or more years before latest fiscal year   3  
Total 625 1,038  
Non-mortgage Loans | Consumer Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 275 602  
Total loans originated in fiscal year before latest fiscal year 127 322  
Total loans originated two years before latest fiscal year 160 93  
Total loans originated three years before latest fiscal year 57 16  
Total loans originated four years before latest fiscal year 6 2  
Total 625 1,035  
Non-mortgage Loans | Consumer Loans | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated five or more years before latest fiscal year   3  
Total   3  
1-4 Family Investor Owned      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 307,267 330,053 343,689
1-4 Family Investor Owned | Mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 3,843 2,980  
Total loans originated in fiscal year before latest fiscal year 2,793 27,885  
Total loans originated two years before latest fiscal year 26,968 52,826  
Total loans originated three years before latest fiscal year 50,353 47,472  
Total loans originated four years before latest fiscal year 45,387 30,003  
Total loans originated five or more years before latest fiscal year 177,923 168,887  
Total 307,267 330,053  
1-4 Family Investor Owned | Mortgage Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 3,843 2,980  
Total loans originated in fiscal year before latest fiscal year 2,793 27,030  
Total loans originated two years before latest fiscal year 26,126 52,826  
Total loans originated three years before latest fiscal year 50,353 45,835  
Total loans originated four years before latest fiscal year 43,153 29,216  
Total loans originated five or more years before latest fiscal year 173,463 164,667  
Total 299,731 322,554  
1-4 Family Investor Owned | Mortgage Loans | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in fiscal year before latest fiscal year   855  
Total loans originated two years before latest fiscal year 842    
Total loans originated three years before latest fiscal year   1,637  
Total loans originated four years before latest fiscal year 361 787  
Total loans originated five or more years before latest fiscal year 1,180 1,757  
Total 2,383 5,036  
1-4 Family Investor Owned | Mortgage Loans | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated four years before latest fiscal year 1,873    
Total loans originated five or more years before latest fiscal year 3,280 2,463  
Total 5,153 2,463  
1-4 Family Residential Owner-Occupied      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 127,107 142,363 152,311
1-4 Family Residential Owner-Occupied | Mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year   1,541  
Total loans originated in fiscal year before latest fiscal year 1,315 19,294  
Total loans originated two years before latest fiscal year 16,984 51,470  
Total loans originated three years before latest fiscal year 47,695 11,790  
Total loans originated four years before latest fiscal year 11,478 11,707  
Total loans originated five or more years before latest fiscal year 49,635 46,561  
Total 127,107 142,363  
1-4 Family Residential Owner-Occupied | Mortgage Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year   1,541  
Total loans originated in fiscal year before latest fiscal year 1,315 19,294  
Total loans originated two years before latest fiscal year 16,984 51,470  
Total loans originated three years before latest fiscal year 47,695 11,318  
Total loans originated four years before latest fiscal year 10,587 11,707  
Total loans originated five or more years before latest fiscal year 47,731 43,157  
Total 124,312 138,487  
1-4 Family Residential Owner-Occupied | Mortgage Loans | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated three years before latest fiscal year   472  
Total loans originated four years before latest fiscal year 462    
Total 462 472  
1-4 Family Residential Owner-Occupied | Mortgage Loans | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated four years before latest fiscal year 429    
Total loans originated five or more years before latest fiscal year 1,904 3,404  
Total 2,333 3,404  
Multifamily Residential      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 756,542 670,159 550,559
Multifamily Residential | Mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 149,358 145,528  
Total loans originated in fiscal year before latest fiscal year 111,591 83,225  
Total loans originated two years before latest fiscal year 79,953 160,731  
Total loans originated three years before latest fiscal year 157,228 68,231  
Total loans originated four years before latest fiscal year 62,675 60,145  
Total loans originated five or more years before latest fiscal year 195,737 152,299  
Total 756,542 670,159  
Multifamily Residential | Mortgage Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 149,358 145,528  
Total loans originated in fiscal year before latest fiscal year 107,129 77,659  
Total loans originated two years before latest fiscal year 73,769 160,731  
Total loans originated three years before latest fiscal year 157,228 63,842  
Total loans originated four years before latest fiscal year 58,343 57,108  
Total loans originated five or more years before latest fiscal year 186,331 145,658  
Total 732,158 650,526  
Multifamily Residential | Mortgage Loans | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in fiscal year before latest fiscal year 4,462    
Total loans originated two years before latest fiscal year 1,121    
Total loans originated three years before latest fiscal year   4,389  
Total loans originated four years before latest fiscal year 4,332 1,380  
Total loans originated five or more years before latest fiscal year 1,357 2,501  
Total 11,272 8,270  
Multifamily Residential | Mortgage Loans | Substandard      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in fiscal year before latest fiscal year   5,566  
Total loans originated two years before latest fiscal year 5,063    
Total loans originated four years before latest fiscal year   1,657  
Total loans originated five or more years before latest fiscal year 8,049 4,140  
Total 13,112 11,363  
Nonresidential Properties      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 526,210 389,898 $ 342,343
Nonresidential Properties | Mortgage Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 170,449 84,891  
Total loans originated in fiscal year before latest fiscal year 77,935 28,787  
Total loans originated two years before latest fiscal year 28,328 83,842  
Total loans originated three years before latest fiscal year 76,895 59,835  
Total loans originated four years before latest fiscal year 59,835 25,997  
Total loans originated five or more years before latest fiscal year 112,768 106,546  
Total 526,210 389,898  
Nonresidential Properties | Mortgage Loans | Pass      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated in current fiscal year 170,449 84,891  
Total loans originated in fiscal year before latest fiscal year 77,935 28,787  
Total loans originated two years before latest fiscal year 28,328 83,842  
Total loans originated three years before latest fiscal year 74,281 59,835  
Total loans originated four years before latest fiscal year 59,835 25,997  
Total loans originated five or more years before latest fiscal year 112,768 104,144  
Total 523,596 387,496  
Nonresidential Properties | Mortgage Loans | Special Mention      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total loans originated three years before latest fiscal year 2,614    
Total loans originated five or more years before latest fiscal year   2,402  
Total $ 2,614 $ 2,402