v3.26.1
Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Jun. 11, 2025
Variable Interest Entity      
Assets $ 473,269 $ 460,047  
Liabilities 307,660 $ 285,110  
SN Holdings LLC      
Variable Interest Entity      
Assets 93,000    
Liabilities 32,200    
Sachem Capital Corporation Holdings, LLC      
Variable Interest Entity      
Assets 195,700    
Liabilities $ 100,500    
Senior Notes | Sachem Capital Corporation Holdings, LLC | Senior Secured Notes due June 11, 2030      
Variable Interest Entity      
Principal amount     $ 100,000