v3.25.4
Note 4 - Other Recent Events - SPAC Investment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Principal transactions and other income $ 31,792 $ (6,598) $ 20,766
Total revenues 275,564 79,598 82,981
Compensation and benefits 177,518 56,388 52,092
Total operating expenses 216,157 87,621 76,120
Operating income / (loss) 59,407 (8,023) 6,861
Income / (loss) from equity method affiliates (16,763) 21,704 15,609
Income / (loss) before income tax expense / (benefit) 39,502 7,860 15,944
Income tax expense / (benefit) (632) (329) 5,545
Net income / (loss) 40,134 8,189 10,399
Enterprise net income (loss) 40,134 8,189 10,399
Net income (loss) attributable to Cohen & Company Inc. 14,431 (129) (5,113)
Non-controlling Interest of Operating LLC [Member]      
Less: Net income (loss) attributable to the non-convertible non-controlling interest (1,913) 8,675 19,590
Cohen Co Including Noncontrolling Interest [Member]      
Net income / (loss) 42,047 (486) (9,191)
Enterprise net income (loss) 42,047 (486) (9,191)
Non-controlling Interest of Cohen & Co. [Member]      
Less: Net income (loss) attributable to the non-convertible non-controlling interest 27,616 $ (357) $ (4,078)
SPAC Fund [Member]      
Principal transactions and other income 32,240    
Total revenues 32,240    
Compensation and benefits 15,671    
Total operating expenses 15,671    
Operating income / (loss) 16,569    
Income / (loss) from equity method affiliates (2,675)    
Income / (loss) before income tax expense / (benefit) 13,894    
Income tax expense / (benefit) 0    
Net income / (loss) 13,894    
Enterprise net income (loss) 13,894    
Net income (loss) attributable to Cohen & Company Inc. 8,040    
SPAC Fund [Member] | Non-controlling Interest of Operating LLC [Member]      
Less: Net income (loss) attributable to the non-convertible non-controlling interest 5,854    
SPAC Fund [Member] | Cohen Co Including Noncontrolling Interest [Member]      
Net income / (loss) 8,040    
Enterprise net income (loss) 8,040    
SPAC Fund [Member] | Non-controlling Interest of Cohen & Co. [Member]      
Less: Net income (loss) attributable to the non-convertible non-controlling interest $ 0