Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Additional Information (Details)

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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
May 23, 2018
Jun. 02, 2015
Stock-based compensation          
Dividend rate 0.00% 0.00% 0.00%    
Total unrecognized compensation cost related to unvested Awards $ 10,000        
Weighted average period of recognition related to unvested equity awards (in years) 1 year 3 months 18 days        
Shares reserved for future issuance upon exercise of stock options 19,600     8,150,000 8,965,000
Options exercised 0        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value   $ 4 $ 1,000    
Series A common stock          
Stock-based compensation          
Shares reserved for future issuance upon exercise of stock options       4,000,000  
Series B common stock          
Stock-based compensation          
Shares reserved for future issuance upon exercise of stock options       150,000  
RSA and RSU          
Stock-based compensation          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value $ 11,000 $ 13,000 $ 25,000    
RSA and RSU | Series A common stock          
Stock-based compensation          
RSUs outstanding 8,800        
RSUs/RSAs GDFV $ 2.37        
RSA and RSU | Series B common stock          
Stock-based compensation          
RSUs outstanding 296        
RSUs/RSAs GDFV $ 5.01        
RSA and RSU | 8.0% Series A cumulative redeemable preferred stock          
Stock-based compensation          
RSUs outstanding 552        
Incremental cost $ 0        
Restricted Stock Units (RSUs) | Series A common stock          
Stock-based compensation          
RSUs outstanding 8,760 14,691      
RSUs/RSAs GDFV $ 2.35 $ 3.3      
Restricted Stock Units (RSUs) | Series B common stock          
Stock-based compensation          
RSUs outstanding 296 353      
RSUs/RSAs GDFV $ 5.01 $ 5.51