Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Aug. 03, 2018
Document And Entity Information [Abstract]    
Entity Registrant Name LADENBURG THALMANN FINANCIAL SERVICES INC.  
Entity Central Index Key 0001029730  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Trading Symbol LTS  
Amendment Flag false  
Entity Common Stock, Shares Outstanding (in shares)   201,054,089