v3.25.1
Goodwill and Intangible Assets - Summary of Changes in Goodwill and Identifiable Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Goodwill [Roll Forward]        
Net balance - beginning of period     $ 336,602  
Acquisition     0  
Net balance - end of period $ 336,602   336,602  
Indefinite-Lived Intangible Assets [Roll Forward]        
Intangible Assets, Other Adjustments     (28)  
Finite-Lived Intangible Assets [Roll Forward]        
Accumulated amortization (2,100) $ (2,100) (4,269) $ (3,700)
Net balance - end of period 51,930   51,930  
Intangible Assets Disclosure [Roll Forward]        
Net balance - beginning of period     205,391  
Acquisition     757  
Accumulated amortization (2,100) (2,100) (4,269) (3,700)
Net balance - end of period 201,851   201,851  
Trade Names        
Indefinite-Lived Intangible Assets [Roll Forward]        
Net balance - beginning of period     149,921  
Acquisitions     0  
Net balance - end of period 149,921   149,921  
Developed Technologies        
Finite-Lived Intangible Assets [Roll Forward]        
Net balance - beginning of period     3,964  
Acquisitions     0  
Accumulated amortization     (269)  
Net balance - end of period 3,695   3,695  
Intangible Assets Disclosure [Roll Forward]        
Accumulated amortization     (269)  
Customer Relationships        
Finite-Lived Intangible Assets [Roll Forward]        
Net balance - beginning of period     46,403  
Acquisitions     0  
Accumulated amortization     (3,049)  
Net balance - end of period 43,354   43,354  
Intangible Assets Disclosure [Roll Forward]        
Accumulated amortization     (3,049)  
Domain Names        
Indefinite-Lived Intangible Assets [Roll Forward]        
Finite-Lived Intangible Assets, Period Increase (Decrease)     (28)  
Finite-Lived Intangible Assets [Roll Forward]        
Net balance - beginning of period     1,750  
Acquisitions     0  
Accumulated amortization     (317)  
Net balance - end of period 1,405   1,405  
Intangible Assets Disclosure [Roll Forward]        
Accumulated amortization     (317)  
Internally Developed Software        
Finite-Lived Intangible Assets [Roll Forward]        
Net balance - beginning of period     3,353  
Acquisitions     757  
Accumulated amortization (300) (300) (634) (500)
Net balance - end of period 3,476   3,476  
Intangible Assets Disclosure [Roll Forward]        
Accumulated amortization $ (300) $ (300) $ (634) $ (500)