v3.26.1
Note 8 - Fair Value Disclosures - Fair Value Measurements of Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
lternative investment $ 10,725 $ 12,486
CK Capital Value Fund [Member]    
lternative investment [1] 1,417 1,171
CREO JV [Member]    
lternative investment [2] 7,684 8,940
Unfunded commitments [2] 8,382 7,268
U.S. Insurance JV [Member]    
lternative investment [3] $ 1,624 $ 2,375
[1] CK Capital Value Fund invests primarily in office buildings in the Netherlands.
[2] CREO JV invests primarily in multi-family commercial real estate mortgage-backed loans.
[3] U.S. Insurance JV invests in USD denominated debt issued by small and medium size insurance and reinsurance companies.