Capital (Narrative) (Details) |
6 Months Ended | |||
|---|---|---|---|---|
|
Jun. 30, 2025
$ / shares
Rate
|
Dec. 31, 2024
$ / shares
|
|||
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||||
| Leverage capital, permanent capital weight | 1.5 | |||
| Common Stock, par value per share | $ 100 | |||
| Excess Stock (less than) | Rate | 1.00% | |||
| Class A [Member] | ||||
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||||
| Leverage capital, non-permanent capital weight | 1 | |||
| Common Stock, par value per share | [1] | $ 100 | $ 100 | |
| Class B [Member] | ||||
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | ||||
| Common Stock, par value per share | [1] | $ 100 | $ 100 | |
| ||||