Note 18 - Variable Interest Entities - Consolidated VIEs (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Cash and cash equivalents | $ 56,762 | $ 19,590 | ||
| Other receivables | 8,896 | 6,526 | ||
| Other investments, at fair value | 57,258 | 35,262 | ||
| Investment in equity method affiliates | 6,661 | 23,430 | $ 14,241 | $ 8,929 |
| Accounts payable and other liabilities | (17,944) | (10,913) | ||
| Variable Interest Entity, Primary Beneficiary [Member] | ||||
| Cash and cash equivalents | 6 | 59 | ||
| Other receivables | 0 | 19 | ||
| Receivables from brokers, dealers, and clearing agencies | 0 | 2,154 | ||
| Other investments, at fair value | 142 | 5,680 | ||
| Investment in equity method affiliates | 896 | 15,881 | ||
| Accounts payable and other liabilities | 0 | (4) | ||
| Other investments sold, not yet purchased | 0 | (1,591) | ||
| Non-controlling interest | (434) | (11,460) | ||
| Investment in consolidated VIEs | $ 610 | $ 10,738 |
| X | ||||||||||
- Definition Amount of investments, other than trading securities, measured at fair value. No definition available.
|
| X | ||||||||||
- Definition The amount of other investments sold, not yet purchased, measured at fair value. No definition available.
|
| X | ||||||||||
- Definition Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount receivable from correspondent broker-dealer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest). No definition available.
|
| X | ||||||||||
- Definition Amount due from parties in nontrade transactions, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|