v3.26.1
Note 16 - Equity - Rollforward of Non-controlling Interests (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Balance   $ 52,006     $ 52,006
Non-controlling interest share of income (loss)         6,306
Other comprehensive (loss)         (63)
Acquisition / (surrender) of additional units of consolidated subsidiary         (7,067)
Equity-based compensation         1,912
Shares withheld for employee taxes         (443)
Distributions to convertible non-controlling interest of Cohen & Company Inc.         (7,072)
Redemption of convertible non-controlling interest units   (1,883)   $ (954) (1,883)
Non-convertible non-controlling interest contributions $ (323) 2,666 $ 2,669 $ (1,236) 2,666
Non-convertible non-controlling interest distributions         (323)
Balance 46,039       46,039
Operating LLC [Member]          
Balance   51,568     51,568
Non-controlling interest share of income (loss)         9,082
Other comprehensive (loss)         (63)
Acquisition / (surrender) of additional units of consolidated subsidiary         (7,067)
Equity-based compensation         1,912
Shares withheld for employee taxes         (443)
Distributions to convertible non-controlling interest of Cohen & Company Inc.         (7,072)
Redemption of convertible non-controlling interest units         (1,883)
Non-convertible non-controlling interest contributions         0
Non-convertible non-controlling interest distributions         0
Balance 46,034       46,034
Columbus Circle II SPAC [Member]          
Balance   0     0
Non-controlling interest share of income (loss)         (2,666)
Other comprehensive (loss)         0
Acquisition / (surrender) of additional units of consolidated subsidiary         0
Equity-based compensation         0
Shares withheld for employee taxes         0
Distributions to convertible non-controlling interest of Cohen & Company Inc.         0
Redemption of convertible non-controlling interest units         0
Non-convertible non-controlling interest contributions         2,666
Non-convertible non-controlling interest distributions         0
Balance 0       0
Other Consolidated Subsidiaries [Member]          
Balance   $ 438     438
Non-controlling interest share of income (loss)         (110)
Other comprehensive (loss)         0
Acquisition / (surrender) of additional units of consolidated subsidiary         0
Equity-based compensation         0
Shares withheld for employee taxes         0
Distributions to convertible non-controlling interest of Cohen & Company Inc.         0
Redemption of convertible non-controlling interest units         0
Non-convertible non-controlling interest contributions         0
Non-convertible non-controlling interest distributions         (323)
Balance $ 5       $ 5