v3.26.3
Business Acquisitions and Divestitures - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 03, 2025
USD ($)
option
Sep. 30, 2026
USD ($)
entity
business
Sep. 30, 2026
USD ($)
business
paymentInstallment
entity
Jul. 17, 2025
advisor
Business Combination [Line Items]        
Number of over affiliated financial advisors | advisor       350
Stratos Wealth Holdings | Stratos US Holdings        
Business Combination [Line Items]        
Ownership percentage 100.00%      
EMI Entities        
Business Combination [Line Items]        
Ownership percentage   100.00% 100.00%  
Number of Asset Acquisitions | entity   9 9  
Number of asset acquisitions, majority interest acquired | business   2 2  
Target gross revenue percentage     95.00%  
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% 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% 4.67%  
Stratos Wealth Holdings        
Business Combination [Line Items]        
Total purchase consideration $ 323,102      
Percentage ownership 57.50%      
Business acquisition, equity consideration, amount $ 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%      
Contract Termination        
Business Combination [Line Items]        
Payment for contract termination agreement   $ 32,500    
Business acquisition, term following close of Release Agreement   60 months    
Acquisition-related charge   $ 32,500    
Stratos Mexico        
Business Combination [Line Items]        
Total purchase consideration   $ 103,000    
EMI Entities        
Business Combination [Line Items]        
Number of businesses acquired | business     1  
Contractual obligation, EBITDA comparative period     18 months  
Other Entities Acquired        
Business Combination [Line Items]        
Total purchase consideration     $ 18,141  
Other Entities Acquired | Minimum        
Business Combination [Line Items]        
Number of quarterly installments | paymentInstallment     8  
Other Entities Acquired | Minimum | Notes Payable, Other Payables        
Business Combination [Line Items]        
Debt interest rate   4.00% 4.00%  
Other Entities Acquired | Maximum        
Business Combination [Line Items]        
Number of quarterly installments | paymentInstallment     16  
Other Entities Acquired | Maximum | Notes Payable, Other Payables        
Business Combination [Line Items]        
Debt interest rate   5.00% 5.00%