v3.26.3
Loan Portfolio and Allowance for Credit Losses - Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details) - Payment Delay [Member]
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term 9 months 31 months 57 months
Florida [Member]      
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term 9 months 7 months 9 months
New York and Other States [Member]      
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term [1]   24 months 48 months
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member]      
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term 9 months 31 months 33 months
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]      
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term 9 months 7 months 9 months
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]      
Weighted average term [1]   24 months 24 months
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member]      
Loan Portfolio and Allowance for Credit Losses [Abstract]      
Weighted average term     24 months
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]      
Weighted average term [1]     24 months
[1] Includes New York, New Jersey, Vermont and Massachusetts.