v3.26.1
Loan Portfolio and Allowance for Credit Losses - Aging of Recorded Investment in Past Due Loans by Loan Class and by Region (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans $ 5,377,235 $ 5,252,460
30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 6,724 6,368
60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,786 3,092
90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 12,124 12,515
Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 21,634 21,975
Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 5,355,601 5,230,485
Installment [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 9,882 11,556
Installment [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 18 51
Installment [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2 32
Installment [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 26 29
Installment [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 46 112
Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 9,836 11,444
New York and Other States [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 3,469,150 [1] 3,378,133
New York and Other States [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 4,186 3,599
New York and Other States [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,711 [1] 1,998
New York and Other States [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 10,648 [1] 10,252
New York and Other States [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 16,545 [1] 15,849
New York and Other States [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 3,452,605 [1] 3,362,284
New York and Other States [Member] | Installment [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 7,265 8,497
New York and Other States [Member] | Installment [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 3 5
New York and Other States [Member] | Installment [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 2 32
New York and Other States [Member] | Installment [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 26 7
New York and Other States [Member] | Installment [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 31 44
New York and Other States [Member] | Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 7,234 8,453
Florida [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,908,085 1,874,327
Florida [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,538 2,769
Florida [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,075 1,094
Florida [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,476 2,263
Florida [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 5,089 6,126
Florida [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,902,996 1,868,201
Florida [Member] | Installment [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,617 3,059
Florida [Member] | Installment [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 46
Florida [Member] | Installment [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Florida [Member] | Installment [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 22
Florida [Member] | Installment [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 68
Florida [Member] | Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,602 2,991
Commercial Real Estate [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 305,353 295,107
Commercial Real Estate [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 701 0
Commercial Real Estate [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Commercial Real Estate [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,958 1,984
Commercial Real Estate [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,659 1,984
Commercial Real Estate [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 302,694 293,123
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 255,042 245,799
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 637 0
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 0 0
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 1,958 1,984
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 2,595 1,984
Commercial Real Estate [Member] | New York and Other States [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 252,447 243,815
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 50,311 49,308
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 64 0
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 64 0
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 50,247 49,308
Other [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 17,086 18,336
Other [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 6 7
Other [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 6 7
Other [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 17,080 18,329
Other [Member] | New York and Other States [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 17,086 17,841
Other [Member] | New York and Other States [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 0 0
Other [Member] | New York and Other States [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 0 0
Other [Member] | New York and Other States [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 6 7
Other [Member] | New York and Other States [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 6 7
Other [Member] | New York and Other States [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 17,080 17,834
Other [Member] | Florida [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 495
Other [Member] | Florida [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Florida [Member] | Commercial [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Florida [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Florida [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Other [Member] | Florida [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 495
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 4,494,479 4,399,224
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 5,332 4,857
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,611 2,768
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 8,566 8,979
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 16,509 16,604
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 4,477,970 4,382,620
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]    
Recorded past due loans [1] 2,859,864 2,794,515
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 3,108 3,174
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 1,701 1,790
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 7,337 6,830
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 12,146 11,794
First Mortgages [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 2,847,718 2,782,721
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,634,615 1,604,709
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,224 1,683
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 910 978
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,229 2,149
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 4,363 4,810
First Mortgages [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,630,252 1,599,899
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 66,238 64,036
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 419
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 0
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 232 266
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 247 685
Home Equity Loans [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 65,991 63,351
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]    
Recorded past due loans [1] 47,904 46,421
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 0 50
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 0 0
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 232 266
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 232 316
Home Equity Loans [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 47,672 46,105
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 18,334 17,615
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 369
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 0
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 0 0
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 369
Home Equity Loans [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 18,319 17,246
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 484,197 464,201
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 673 1,041
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 158 292
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,336 1,250
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,167 2,583
Home Equity Lines of Credit [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 482,030 461,618
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]    
Recorded past due loans [1] 281,989 265,060
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 438 370
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 8 176
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 1,089 1,158
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 1,535 1,704
Home Equity Lines of Credit [Member] | New York and Other States [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 280,454 263,356
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 202,208 199,141
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 235 671
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 150 116
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 247 92
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 632 879
Home Equity Lines of Credit [Member] | Florida [Member] | Real Estate Mortgage - 1 to 4 Family [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans $ 201,576 $ 198,262
[1] Includes New York, New Jersey, Vermont and Massachusetts.