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