Nature of Operations and Summary of Significant Accounting Policies (Details) $ in Billions |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2026
USD ($)
location
|
Dec. 31, 2025
USD ($)
|
|
| Summary of Significant Accounting Policies | ||
| Assets held in an agency or fiduciary capacity | $ | $ 1.6 | $ 1.9 |
| Orange County | ||
| Summary of Significant Accounting Policies | ||
| Number of offices in New York | 7 | |
| Westchester County | ||
| Summary of Significant Accounting Policies | ||
| Number of offices in New York | 7 | |
| Rockland County | ||
| Summary of Significant Accounting Policies | ||
| Number of offices in New York | 2 | |
| Bronx County | ||
| Summary of Significant Accounting Policies | ||
| Number of offices in New York | 2 |