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Insider Trading Arrangements
 3 Months Ended 12 Months Ended
Dec. 31, 2023
shares
Dec. 31, 2023
shares
Trading Arrangements, by Individual    
Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Keith A. Bentley [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
Effective November 8, 2023, Keith A. Bentley, Director, adopted a trading plan established pursuant to Rule 10b5‑1 of the Exchange Act, which is intended to satisfy the affirmative defense conditions of Rule 10b5‑1(c), to sell an aggregate of 1,000,000 shares of our Class B common stock through June 30, 2024.
Name Keith A. Bentley  
Title Director  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date November 8, 2023  
Aggregate Available 1,000,000 1,000,000
Keith A. Bently [Member]    
Trading Arrangements, by Individual    
Arrangement Duration 235 days