v3.26.1
Business Acquisitions and Divestitures - Narrative (Details)
$ in Thousands
3 Months Ended
Dec. 03, 2025
USD ($)
option
Mar. 31, 2026
USD ($)
paymentInstallment
business
Dec. 31, 2025
USD ($)
Jul. 17, 2025
advisor
Business Combination [Line Items]        
Number of over affiliated financial advisors | advisor       350
Goodwill   $ 388,380 $ 354,989  
Stratos Wealth Holdings | Stratos US Holdings        
Business Combination [Line Items]        
Ownership percentage 100.00%      
Stratos Wealth Holdings        
Business Combination [Line Items]        
Total purchase consideration $ 323,102      
Percentage ownership 57.50%      
Non-controlling interest $ 235,145      
Number of call options | option 3      
Equity method investments $ 56,974      
Advance payment for acquisition   118,606    
Stratos Wealth Holdings | Call Option One        
Business Combination [Line Items]        
Call option, term (in months) 36 months      
Stratos Wealth Holdings | Call Option Two        
Business Combination [Line Items]        
Call option, term (in months) 54 months      
Stratos Wealth Holdings | Call Option Three        
Business Combination [Line Items]        
Call option, term (in months) 72 months      
Stratos Wealth Holdings | Certain Legacy Stratos Equity Holders        
Business Combination [Line Items]        
Percentage ownership 42.50%      
Stratos Mexico        
Business Combination [Line Items]        
Total purchase consideration   103,000    
EMI Entities        
Business Combination [Line Items]        
Total purchase consideration   130,460    
Non-controlling interest   $ 24,397    
Business combination, voting equity interest acquired (as a percent)   100.00%    
Number of businesses acquired | business   9    
Number of majority interest businesses acquired | business   2    
Target gross revenue percentage   95.00%    
Goodwill   $ 33,665    
Contractual obligation, EBITDA comparative period   18 months    
EMI Entities | Minimum        
Business Combination [Line Items]        
Number of quarterly installments | paymentInstallment   12    
EMI Entities | Minimum | Notes Payable, Other Payables        
Business Combination [Line Items]        
Debt interest rate   3.67%    
EMI Entities | Maximum        
Business Combination [Line Items]        
Number of quarterly installments | paymentInstallment   16    
EMI Entities | Maximum | Notes Payable, Other Payables        
Business Combination [Line Items]        
Debt interest rate   4.67%