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Stock-Based Compensation - Unvested stock options (Details)
12 Months Ended
Dec. 31, 2022
$ / shares
shares
Nonvested Stock Options  
Nonvested, Beginning Balance | shares 25,725
Granted (in shares) | shares 5,995
Vested | shares (12,018)
Forfeited/Cancelled | shares (1,112)
Nonvested, Ending Balance | shares 18,590
Nonvested, Weighted Average  
Nonvested, Beginning Balance | $ / shares $ 59.09
Weighted average fair value per share of options granted | $ / shares 12.43
Weighted average fair value per share of options vested | $ / shares 64.90
Weighted average fair value per share of options forfeited | $ / shares 117.26
Nonvested, Ending Balance | $ / shares $ 36.81