v3.25.4
Note 9 - Fair Value Disclosures - Fair Value Measurements on a Recurring Basis (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Investments-trading $ 140,576 $ 148,332
Total other investments, at fair value 57,258 35,262
Trading securities sold, not yet purchased 36,617 36,432
Other investments sold, not yet purchased 0 1,651
Fair Value, Recurring [Member]    
Investments-trading 140,576 148,332
Total other investments, at fair value 57,258 35,262
Trading securities sold, not yet purchased 36,617 36,432
Other investments sold, not yet purchased   1,651
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member]    
Investments-trading 3 5
Fair Value, Recurring [Member] | SBA Loans [Member]    
Investments-trading 43,090 28,328
Fair Value, Recurring [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]    
Investments-trading 42,471 45,911
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]    
Investments-trading 17,675 21,242
Trading securities sold, not yet purchased   40
Fair Value, Recurring [Member] | Total Investments not Measured at NAV [Member]    
Total other investments, at fair value 44,772 26,005
Fair Value, Recurring [Member] | US Treasury Securities [Member]    
Investments-trading 23,802  
Trading securities sold, not yet purchased   24,917
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading 130,207 147,980
Trading securities sold, not yet purchased 12,352 11,432
Other investments sold, not yet purchased   470
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Residential Mortgage-Backed Securities [Member]    
Investments-trading 3 5
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | SBA Loans [Member]    
Investments-trading 43,090 28,328
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]    
Investments-trading 42,471 45,911
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities [Member]    
Investments-trading 17,675 21,242
Trading securities sold, not yet purchased   40
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Total Investments not Measured at NAV [Member]    
Total other investments, at fair value 24,941 17,774
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments-trading 10,369 352
Trading securities sold, not yet purchased 24,265 25,000
Other investments sold, not yet purchased   1,181
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Total Investments not Measured at NAV [Member]    
Total other investments, at fair value 19,831 8,231
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]    
Investments-trading 23,802  
Trading securities sold, not yet purchased   24,917
Fair Value, Recurring [Member] | Fair Value Measured at Net Asset Value Per Share [Member]    
Total other investments, at fair value 12,486 [1] 9,257
Corporate Bonds and Redeemable Preferred Stock [Member]    
Investments-trading 18,449 27,043
Trading securities sold, not yet purchased 8,107 7,342
Corporate Bonds and Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member]    
Investments-trading 18,449 27,043
Total other investments, at fair value 535 531
Trading securities sold, not yet purchased 8,107 7,342
Corporate Bonds and Redeemable Preferred Stock [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading 18,449 27,043
Total other investments, at fair value 535 531
Trading securities sold, not yet purchased 8,107 7,342
Derivative [Member]    
Investments-trading 4,651 4,836
Trading securities sold, not yet purchased 4,245 4,050
Derivative [Member] | Fair Value, Recurring [Member]    
Investments-trading 4,651 4,836
Trading securities sold, not yet purchased 4,245 4,050
Derivative [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading 4,651 4,836
Trading securities sold, not yet purchased 4,245 4,050
Equity Securities [Member]    
Investments-trading 10,424 965
Total other investments, at fair value 21,457 11,072
Trading securities sold, not yet purchased 463 83
Other investments sold, not yet purchased 0 1,181
Equity Securities [Member] | Fair Value, Recurring [Member]    
Investments-trading 10,424 965
Total other investments, at fair value 21,457 11,072
Trading securities sold, not yet purchased 463 83
Other investments sold, not yet purchased   1,181
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading 55 613
Total other investments, at fair value 1,626 2,841
Trading securities sold, not yet purchased 0  
Equity Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
Investments-trading 10,369 352
Total other investments, at fair value 19,831 8,231
Trading securities sold, not yet purchased 463 83
Other investments sold, not yet purchased   1,181
Municipal Bonds [Member]    
Investments-trading 3,813 19,914
Municipal Bonds [Member] | Fair Value, Recurring [Member]    
Investments-trading 3,813 19,914
Municipal Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading 3,813 19,914
Foreign Government Bonds [Member]    
Investments-trading 0 88
Foreign Government Bonds [Member] | Fair Value, Recurring [Member]    
Investments-trading   88
Foreign Government Bonds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Investments-trading   88
Placement Unit and Warrants [Member]    
Total other investments, at fair value 19,997 1,587
Placement Unit and Warrants [Member] | Fair Value, Recurring [Member]    
Total other investments, at fair value 19,997 1,587
Placement Unit and Warrants [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Total other investments, at fair value 19,997 1,587
Fair Value Receivables [Member]    
Notes receivable 2,783 11,250
Fair Value Receivables [Member] | Fair Value, Recurring [Member]    
Notes receivable 2,783 11,250
Fair Value Receivables [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Notes receivable 2,783 11,250
Interest In SPVs [Member]    
Total other investments, at fair value $ 0 1,565
Interest In SPVs [Member] | Fair Value, Recurring [Member]    
Total other investments, at fair value   1,565
Interest In SPVs [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Total other investments, at fair value   1,565
Share Forward Liabilities [Member] | Fair Value, Recurring [Member]    
Other investments sold, not yet purchased   470
Share Forward Liabilities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Other investments sold, not yet purchased   $ 470
[1] As a practical expedient, the Company uses NAV (or its equivalent) to measure the fair value of its investments in the U.S. Insurance JV, the CREO JV and the CK Capital Value Fund. The U.S. Insurance JV invests in U.S. Dollar ("USD") denominated debt issued by small insurance and reinsurance companies. The CREO JV invests primarily in multi-family commercial real estate mortgage-backed loans. The CK Capital Value Fund invests primarily in office buildings in the Netherlands. According to ASC 820, these investments are not categorized within the valuation hierarchy.