Borrowed Funds (Scheduled of FHLB Advances) (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Debt Disclosure [Abstract] | ||
| Due in one year or less | $ 1,835,945 | |
| Due after one year through two years | 350,000 | |
| Due after two years through three years | 0 | |
| Due after three years through four years | 200,000 | |
| Thereafter | 0 | |
| PAA on borrowed funds | 1,897 | $ 2,213 |
| Total FHLBNY advances and overnight borrowings | $ 2,387,842 |