Net Capital Requirement (Details) $ in Thousands |
Jun. 30, 2026
USD ($)
|
|---|---|
| Lincoln International LLC | |
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | |
| Regulatory net capital | $ 20,100 |
| Minimum regulatory net capital requirement | 8,900 |
| Amount in excess of minimum net capital requirement | $ 11,200 |
| Aggregate indebtedness to net capital ratio | 6.67 |
| MarshBerry Capital, LLC | |
| Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | |
| Regulatory net capital | $ 1,100 |
| Minimum regulatory net capital requirement | 5 |
| Amount in excess of minimum net capital requirement | $ 1,100 |
| Aggregate indebtedness to net capital ratio | 0.52 |