v3.26.3
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
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans $ 5,454,286 $ 5,252,460
30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 7,461 6,368
60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,691 3,092
90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 11,708 12,515
Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 21,860 21,975
Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 5,432,426 5,230,485
Installment [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 9,439 11,556
Installment [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 25 51
Installment [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 84 32
Installment [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15 29
Installment [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 124 112
Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 9,315 11,444
New York and Other States [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 3,537,036 [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] 3,840 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 2,259 [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 9,669 [1] 10,252
New York and Other States [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 15,768 [1] 15,849
New York and Other States [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 3,521,268 [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] 6,856 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] 4 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] 11 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] 11 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] 26 44
New York and Other States [Member] | Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans [1] 6,830 8,453
Florida [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,917,250 1,874,327
Florida [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 3,621 2,769
Florida [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 432 1,094
Florida [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,039 2,263
Florida [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 6,092 6,126
Florida [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,911,158 1,868,201
Florida [Member] | Installment [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,583 3,059
Florida [Member] | Installment [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 21 46
Florida [Member] | Installment [Member] | 60 - 89 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 73 0
Florida [Member] | Installment [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 4 22
Florida [Member] | Installment [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 98 68
Florida [Member] | Installment [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,485 2,991
Commercial Real Estate [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 312,397 295,107
Commercial Real Estate [Member] | Commercial [Member] | 30 - 59 Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 342 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 2,002 1,984
Commercial Real Estate [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 2,344 1,984
Commercial Real Estate [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 310,053 293,123
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] 261,270 245,799
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] 342 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] 2,002 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] 2,344 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] 258,926 243,815
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 51,127 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 0 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 0 0
Commercial Real Estate [Member] | Florida [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 51,127 49,308
Other [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 20,009 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 88 0
Other [Member] | Commercial [Member] | 90+ Days Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 7 7
Other [Member] | Commercial [Member] | Past Due [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 95 7
Other [Member] | Commercial [Member] | Current [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 19,914 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] 19,009 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] 88 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] 7 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] 95 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] 18,914 17,834
Other [Member] | Florida [Member] | Commercial [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 1,000 495
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 1,000 495
First Mortgages [Member] | Real Estate Mortgage - 1 to 4 Family [Member]    
Loan Portfolio and Allowance for Credit Losses [Abstract]    
Recorded past due loans 4,545,717 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 5,694 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 2,092 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 8,338 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 16,124 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 4,529,593 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] 2,906,695 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] 2,526 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] 1,816 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] 6,715 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] 11,057 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] 2,895,638 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 1,639,022 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 3,168 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 276 978
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 1,623 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 5,067 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 1,633,955 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 68,636 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 41 419
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 35 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 271 266
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 347 685
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 68,289 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] 49,174 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] 17 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] 35 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] 256 266
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] 308 316
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] 48,866 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 19,462 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 24 369
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   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 15 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 39 369
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 19,423 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 498,088 464,201
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 1,359 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 392 292
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 1,075 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 2,826 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 495,262 461,618
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] 294,032 265,060
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] 951 370
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] 309 176
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] 678 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] 1,938 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] 292,094 263,356
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 204,056 199,141
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 408 671
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 83 116
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 397 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 888 879
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 $ 203,168 $ 198,262
[1] Includes New York, New Jersey, Vermont and Massachusetts.