Investment Securities (Equity Securities without Readily Determinable Fair Value) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Dec. 31, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Equity Securities without Readily Determinable Fair Value [Line Items] | ||||||
| Equity Securities without Readily Determinable Fair Value, Amount | $ 65,780 | $ 65,780 | $ 9,413 | $ 9,083 | $ 6,988 | $ 6,978 |
| Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | 178,227 | 178,227 | ||||
| Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount | 0 | 0 | ||||
| Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount | 0 | 0 | ||||
| Sales of Equity Securities Without Readily Determinable Fair Value | $ (119,435) | $ (119,425) |