Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Performance Share Units (Details)

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Share-Based Compensation - Performance Share Units (Details) - Performance Shares - $ / shares
3 Months Ended 12 Months Ended
Feb. 13, 2024
Jan. 01, 2024
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Number of RSAs            
Nonvested, beginning of period (in shares)   12,738 12,738 7,182 7,182  
Granted (in shares) 8,340 12,738 8,340 5,556    
Vested (in shares)     0 0    
Cancelled and forfeited (in shares)     0 0    
Nonvested, at end of period (in shares)     21,078 12,738 12,738  
Weighted-Average Grant-Date Fair Value per Share            
Non-vested, beginning of period (in dollars per share)     $ 573 $ 595 $ 595 $ 452
Granted (in dollars per share)     538 781    
Vested (in dollars per share)     0 0    
Cancelled and forfeited (in dollars per share)     0 0    
Non-vested, at end of period (in dollars per share)     $ 573 $ 595 $ 595  
Award vesting rights, percentage 100.00% 100.00%        
Relative total stockholder return            
Number of RSAs            
Granted (in shares) 4,170 6,369        
Weighted-Average Grant-Date Fair Value per Share            
Non-vested, beginning of period (in dollars per share) $ 602          
Non-vested, at end of period (in dollars per share) $ 602          
Free cash flow            
Number of RSAs            
Granted (in shares) 4,170 6,369        
Weighted-Average Grant-Date Fair Value per Share            
Non-vested, beginning of period (in dollars per share) $ 475          
Non-vested, at end of period (in dollars per share) $ 475