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Equity Incentive and Employee Stock Purchase Plan - Stock Option Activity (Details) - USD ($)
 9 Months Ended 12 Months Ended
Oct. 07, 2021
Dec. 31, 2021
Dec. 31, 2020
Number of Shares      
Beginning balance (in shares) 8,460 8,460 8,710
Granted (in shares) 0 0 0
Exercised (in shares)   (250) (250)
Canceled (in shares)   0 0
Adjustment due to Separation (in shares)   (8,210)  
Ending balance (in shares)   0 8,460
Exercisable (in shares)   0 250
Vested and expected to vest (in shares)   0  
Weighted-Average Exercise Price      
Beginning balance (in usd per share) $ 29.53 $ 29.53 $ 29.53
Granted (in usd per share)   0
Exercised (in usd per share)   29.53 29.53
Canceled (in usd per share)   0
Adjustment due to Separation (in usd per share)    
Ending balance (in usd per share)   0 29.53
Exercisable (in usd per share)   0 $ 29.53
Vested and expected to vest (in usd per share)   $ 0  
Weighted-Average Remaining Contractual Life      
Options outstanding, remaining contractual life   0 years  
Options exercisable, remaining contractual life   0 years  
Options vested and expected to vest, remaining contractual life   0 years  
Intrinsic Value      
Options outstanding, intrinsic value   $ 0  
Options exercisable, intrinsic value   0  
Options vested and expected to vest, intrinsic value   $ 0