v3.25.4
Fair Value - Estimated Fair Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale securities, at fair value $ 92,196 $ 104,970
Mortgage loans held for sale, at fair value 3,388 10,736
Carrying Amount    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 126,154 139,839
Available-for-sale securities, at fair value 92,196 104,970
Held-to-maturity securities, at amortized cost, net 272,982 367,938
Placements with banks 249 249
Mortgage loans held for sale, at fair value 3,388 10,736
Loans receivable, net 2,599,258 2,286,599
Accrued interest receivable 17,905 17,771
FHLBNY stock 29,309 29,182
FRBNY stock 10,698  
Interest rate swap   $ 2,005
Derivative Asset, Statement of Financial Position [Extensible Enumeration]   Financing Receivable, after Allowance for Credit Loss
Demand deposits 208,250 $ 169,178
Interest-bearing deposits 1,133,882 945,731
Certificates of deposit 704,503 780,304
Borrowings 596,100 596,100
Interest rate swap   $ 2,005
Derivative Liability, Statement of Financial Position [Extensible Enumeration]   Other Liabilities
Accrued interest payable 3,788 $ 3,712
Fair Value Measurements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 126,154 139,839
Available-for-sale securities, at fair value 92,196 104,970
Held-to-maturity securities, at amortized cost, net 268,875 355,294
Placements with banks 249 249
Mortgage loans held for sale, at fair value 3,388 10,736
Loans receivable, net 2,577,298 2,260,989
Accrued interest receivable 17,905 17,771
FHLBNY stock 29,309 29,182
FRBNY stock 10,698  
Interest rate swap   2,005
Demand deposits 208,250 169,178
Interest-bearing deposits 1,133,882 945,731
Certificates of deposit 704,205 778,603
Borrowings 595,031 586,562
Interest rate swap   2,005
Accrued interest payable 3,788 1,712
Fair Value Measurements | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents 126,154 139,839
Available-for-sale securities, at fair value 3,471 3,203
FHLBNY stock 29,309 29,182
Demand deposits 208,250 169,178
Interest-bearing deposits 1,133,882 945,731
Fair Value Measurements | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Available-for-sale securities, at fair value 88,725 101,767
Held-to-maturity securities, at amortized cost, net 268,875 355,294
Placements with banks 249 249
Mortgage loans held for sale, at fair value 3,388 10,736
Accrued interest receivable 17,905 17,771
FRBNY stock 10,698  
Interest rate swap   2,005
Certificates of deposit 704,205 778,603
Borrowings 595,031 586,562
Interest rate swap   2,005
Accrued interest payable 3,788 1,712
Fair Value Measurements | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Loans receivable, net $ 2,577,298 $ 2,260,989