v3.26.1
THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
$ / shares in Units, professional in Thousands, $ in Thousands, project in Millions
3 Months Ended 6 Months Ended
Mar. 24, 2025
$ / shares
Jun. 30, 2026
USD ($)
project
professional
$ / shares
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
project
category
professional
$ / shares
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
$ / shares
shares
Noncontrolling Interest [Line Items]            
Number of service categories (more than) | category       500    
Number of domestic service professionals | professional   106   106    
Number of projects | project   15   15    
Number of operating segments | segment       2    
Number of reportable segments | segment       2    
Stock split ratio 0.1          
Deferred revenue   $ 22,947   $ 22,947   $ 22,096
Non-current deferred revenue (less than)   100   100   $ 100
Deferred revenue recognized       19,800 $ 38,200  
Goodwill impairment   $ 225,628 $ 0 $ 225,628 $ 0  
Valuation Technique, Discounted Cash Flow            
Noncontrolling Interest [Line Items]            
Valuation approach weight   50.00%   50.00%    
Valuation, Market Approach            
Noncontrolling Interest [Line Items]            
Valuation approach weight   50.00%   50.00%    
U.S.            
Noncontrolling Interest [Line Items]            
Amount of fair value in excess of carrying amount   $ 225,600   $ 225,600    
Goodwill impairment   225,600   225,600    
U.S. | Trade names            
Noncontrolling Interest [Line Items]            
Indefinite-lived intangible assets of impairment charge   9,600        
International            
Noncontrolling Interest [Line Items]            
Amount of fair value in excess of carrying amount   $ 200,000   $ 200,000    
Percentage of fair value in excess of carrying amount Percentage of fair value (as a percent)   70.00%   70.00%    
Measurement Input, Discount Rate | Minimum            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   16.00%   16.00%    
Measurement Input, Discount Rate | Maximum            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   17.50%   17.50%    
Measurement Input, Discount Rate | U.S. | Trade names            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   16.00%   16.00%    
Measurement Input, Discount Rate | U.S. | Valuation Technique, Discounted Cash Flow            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   0.160   0.160    
Measurement Input, Discount Rate | International | Valuation Technique, Discounted Cash Flow            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   0.175   0.175    
Measurement Input, Royalty Rate | Minimum            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   2.00%   2.00%    
Measurement Input, Royalty Rate | Maximum            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   4.50%   4.50%    
Measurement Input, Royalty Rate | U.S. | Trade names            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   2.00%   2.00%    
Measurement Input, Long-Term Revenue Growth Rate            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   3.00%   3.00%    
Measurement Input, Long-Term Revenue Growth Rate | U.S. | Trade names            
Noncontrolling Interest [Line Items]            
Indefinite-lived impairment measure input (as a percent)   3.00%   3.00%    
Measurement Input, Long-Term Revenue Growth Rate | U.S. | Valuation Technique, Discounted Cash Flow            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   0.030   0.030    
Measurement Input, Long-Term Revenue Growth Rate | International | Valuation Technique, Discounted Cash Flow            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   0.030   0.030    
Measurement Input, Trading Multiple | U.S. | Valuation, Market Approach | Minimum            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   6.5   6.5    
Measurement Input, Trading Multiple | U.S. | Valuation, Market Approach | Maximum            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   8.5   8.5    
Measurement Input, Trading Multiple | International | Valuation, Market Approach | Minimum            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   6.5   6.5    
Measurement Input, Trading Multiple | International | Valuation, Market Approach | Maximum            
Noncontrolling Interest [Line Items]            
Reporting unit measurement input (as a percent)   10   10    
Class A Common Stock            
Noncontrolling Interest [Line Items]            
Common stock, par value (USD per share) | $ / shares $ 0.001 $ 0.001   $ 0.001   $ 0.001
Common stock outstanding (in shares) | shares   40,492,000   40,492,000   40,062,000
Class B Common Stock            
Noncontrolling Interest [Line Items]            
Common stock, par value (USD per share) | $ / shares $ 0.001 $ 0.001   $ 0.001   $ 0.001
Common stock outstanding (in shares) | shares   0   0   0