Note 12 - Digital Assets Held (Details Textual) |
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
|---|---|---|
| Statement Line Items [Line Items] | ||
| Digital assets | $ 2,781,164,000 | $ 2,584,793,000 |
| Aave cbBTC [member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets held | 8,177 | 0 |
| Digital assets | $ 725.8 | |
| wBTC [member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets held | 227 | 247.9 |
| Digital assets | $ 20,100,000 | $ 23,400,000 |
| weETH [member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets held | 160.6 | 48.1 |
| Digital assets | $ 500,000 | $ 200,000 |
| USDC [Member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets | 464,900,000 | 127,900,000 |
| USDG [Member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets | 204,300,000 | 51,300,000 |
| PYUSD [Member] | ||
| Statement Line Items [Line Items] | ||
| Digital assets | $ 161,100,000 | $ 19,700,000 |