v3.26.1
Loan Portfolio and Allowance for Credit Losses - Recorded Investment in Loans by Portfolio Segment (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net $ 5,377,235   $ 5,252,460      
Less: Allowance for credit losses on loans 54,082 $ 52,994 52,205 $ 51,265 $ 50,606 $ 50,248
Net loans 5,323,153   5,200,255      
Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 322,439   313,443      
Less: Allowance for credit losses on loans 3,379 3,133 3,081 3,134 3,023 3,420
Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 5,044,914   4,927,461      
Less: Allowance for credit losses on loans 50,555 49,652 48,895 47,877 47,307 46,636
Installment [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 9,882   11,556      
Less: Allowance for credit losses on loans 148 $ 209 229 $ 254 $ 276 $ 192
New York and Other States [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 3,469,150   3,378,133      
New York and Other States [Member] | Installment [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 7,265   8,497      
Florida [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 1,908,085   1,874,327      
Florida [Member] | Installment [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 2,617   3,059      
Commercial Real Estate [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 305,353   295,107      
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 255,042   245,799      
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 50,311   49,308      
Other [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 17,086   18,336      
Other [Member] | New York and Other States [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 17,086   17,841      
Other [Member] | Florida [Member] | Commercial [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 0   495      
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 4,494,479   4,399,224      
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 2,859,864   2,794,515      
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 1,634,615   1,604,709      
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 66,238   64,036      
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 47,904   46,421      
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 18,334   17,615      
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net 484,197   464,201      
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net [1] 281,989   265,060      
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]            
Loan Portfolio and Allowance for Credit Losses [Abstract]            
Total loans, net $ 202,208   $ 199,141      
[1] Includes New York, New Jersey, Vermont and Massachusetts.