v3.25.4

Note 28 - Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Notes Tables |
Lessee, Future Lease Commitments [Table Text Block] |
|  | Lease |  |  | Less: Sublease |  |  | Net Commitment |
2026 |  | $ | 4,529 |  |  | $ | (49 | ) |  | $ | 4,480 |
2027 |  |  | 3,741 |  |  |  | - |  |  |  | 3,741 |
2028 |  |  | 2,826 |  |  |  | - |  |  |  | 2,826 |
2029 |  |  | 2,518 |  |  |  | - |  |  |  | 2,518 |
2030 |  |  | 2,101 |  |  |  | - |  |  |  | 2,101 |
2031 and thereafter |  |  | 8,516 |  |  |  | - |  |  |  | 8,516 |
|  | $ | 24,231 |  |  | $ | (49 | ) |  | $ | 24,182 |

X
- Definition Tabular disclosure of future lease commitments for lessee. + References No definition available. + Details
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Namespace Prefix: | cohn_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration