Investment Securities (Equity Securities without Readily Determinable Fair Value) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| Equity Securities without Readily Determinable Fair Value [Line Items] | ||||
| Equity Securities without Readily Determinable Fair Value, Amount | $ 81,529 | $ 81,529 | $ 10,000 | $ 9,803 |
| Equity Securities without Readily Determinable Fair Value, Additions, Annual Amount | 1,350 | 1,350 | ||
| Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | 114,063 | 114,260 | ||
| 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 | $ (43,884) | $ (43,884) |