v3.26.1
Significant Accounting Policies - Additional Information (Detail)
$ / shares in Units, $ in Millions
3 Months Ended
Jan. 04, 2023
shares
Mar. 31, 2026
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
$ / shares
Significant Accountings Policies [Line Items]        
Loan origination costs   $ 1.8 $ 1.1  
Unrecognized tax benefits, income tax penalties and interest accrued   3.5   $ 3.3
FDIC insured amount   $ 134.2   $ 81.4
Allowance for credit losses average term   12 days    
Capitalized costs for internally developed software   $ 1.5 1.4  
Advertising costs   12.4 10.3  
Activation costs   $ 1.9 $ 1.6  
Effective income tax rate   50.00%    
Accounts receivable, noncurrent, threshold period past due, writeoff   120 days    
Accounts receivable, noncurrent, threshold period past due   13 days    
Computation of diluted net income excluded | shares   1,998,329 225,876  
Reverse stock split, description 1-for-32 reverse stock split effected on January 4, 2023      
Reverse stock split, conversion ratio 0.3125      
Number of warrants exercisable per common stock | shares 32      
Capped call transaction initial strike price | $ / shares   $ 279.13    
Capped call transaction initial cap price | $ / shares   $ 421.34    
Accounting Standards Update 2024-04 [Member]        
Significant Accountings Policies [Line Items]        
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]   true    
Change in Accounting Principle, Accounting Standards Update, Adoption Date   Jan. 01, 2026    
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]   true    
Accounting Standards Update 2025-05 [Member]        
Significant Accountings Policies [Line Items]        
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]   true    
Change in Accounting Principle, Accounting Standards Update, Adoption Date   Jan. 01, 2026    
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]   true    
Minimum [Member]        
Significant Accountings Policies [Line Items]        
Property, plant and equipment, useful life   3 years    
Minimum [Member] | Performance-Based Restricted Stock Units [Member]        
Significant Accountings Policies [Line Items]        
Non-option equity units percentage of target shares granted   0.00%    
Maximum [Member]        
Significant Accountings Policies [Line Items]        
Property, plant and equipment, useful life   7 years    
Maximum [Member] | Performance-Based Restricted Stock Units [Member]        
Significant Accountings Policies [Line Items]        
Non-option equity units percentage of target shares granted   200.00%    
Class A common stock [Member]        
Significant Accountings Policies [Line Items]        
Common Stock, Par Value | $ / shares   $ 0.0001   $ 0.0001
Class V common stock [Member]        
Significant Accountings Policies [Line Items]        
Common Stock, Par Value | $ / shares   $ 0.0001   $ 0.0001
Public and Private Warrants [Member]        
Significant Accountings Policies [Line Items]        
Computation of diluted net income excluded | shares   11,444,235 11,444,235  
Earnout Shares [Member]        
Significant Accountings Policies [Line Items]        
Computation of diluted net income excluded | shares   49,563 49,563  
Members' Usage of Out-of-Network [Member]        
Significant Accountings Policies [Line Items]        
ATM-related fees   $ 0.7 $ 0.8  
Transaction based revenue, net [Member]        
Significant Accountings Policies [Line Items]        
ATM-related fees   $ 0.6 $ 0.5  
Computer Software, Intangible Asset [Member]        
Significant Accountings Policies [Line Items]        
Finite-lived intangible asset, useful life   3 years