v3.26.1
Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 11, 2025
Variable Interest Entity      
Assets $ 472,900 $ 460,047  
Liabilities 314,108 $ 285,110  
SN Holdings LLC      
Variable Interest Entity      
Assets 99,300    
Liabilities 38,600    
Sachem Capital Corporation Holdings, LLC      
Variable Interest Entity      
Assets 187,100    
Liabilities 99,200    
Senior Notes | Sachem Capital Corporation Holdings, LLC | Senior Secured Notes due June 11, 2030      
Variable Interest Entity      
Principal amount $ 100,000   $ 100,000