v3.26.1
Investments In Securities and Fair Value (Schedule of Variable Interest Entities) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Variable Interest Entity, Not Primary Beneficiary [Line Items]    
Carrying Value $ 13,247 $ 13,906
Estimated Fair Value 15,416 15,545
Maximum Potential Loss (a) 16,592 16,592
Real estate LLCs or LPs    
Variable Interest Entity, Not Primary Beneficiary [Line Items]    
Carrying Value 12,611 13,238
Estimated Fair Value 14,780 14,877
Maximum Potential Loss (a) 16,592 16,592
Small business investment LPs    
Variable Interest Entity, Not Primary Beneficiary [Line Items]    
Carrying Value 636 668
Estimated Fair Value 636 668
Maximum Potential Loss (a) $ 0 $ 0