v3.26.3
NONCONTROLLING INTERESTS - Schedule of Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
 2 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]          
Beginning balance       $ 70,155  
Tax distributions to noncontrolling interests     $ (3,101)   $ (3,101)
Ending balance   $ 69,927   69,927  
HRH Class A Unit Noncontrolling Interests          
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]          
Beginning balance $ 19,188 22,373   21,645  
Hearthstone Venture net income allocation 162 683   1,761  
Class B unit conversions 1,600     625  
Tax distributions to noncontrolling interests 0 (450)   (1,425)  
Ending balance 20,950 22,606 20,950 22,606 20,950
HRH Class B Unit Noncontrolling Interests          
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]          
Beginning balance 12,072 10,094   10,739  
Hearthstone Venture net income allocation 188 253   754  
Class B unit conversions (1,600)     (625)  
Tax distributions to noncontrolling interests 0 (248)   (769)  
Ending balance 10,660 10,099 10,660 10,099 10,660
Hearthstone Professional Entities Noncontrolling Interests          
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]          
Beginning balance 12,982 12,453   12,771  
Hearthstone Venture net income allocation 0 0   0  
Class B unit conversions 0     0  
Tax distributions to noncontrolling interests (65) (231)   (549)  
Ending balance 12,917 12,222 12,917 12,222 12,917
Hearthstone          
Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward]          
Beginning balance 44,242 44,920   45,155  
Hearthstone Venture net income allocation 350 936   2,515  
Class B unit conversions 0     0  
Tax distributions to noncontrolling interests (65) (929)   (2,743)  
Ending balance $ 44,527 $ 44,927 $ 44,527 $ 44,927 $ 44,527