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Stockholders' Equity - Issuance of Common Stock (Details) - Restricted Stock - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Apr. 08, 2022
Feb. 22, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-based compensation            
Number of restricted stock awards granted 4,361 25,594        
Number of awards vested     0 0 0 0
Number of awards forfeited     0 0 0 0
Stock awards expense     $ 0.1 $ 0.0 $ 0.1 $ 0.0
Unrecognized compensation cost     $ 1.3   $ 1.3  
Recognition period         3 years 7 months 6 days  
Awards granted February 22, 2022            
Share-based compensation            
Percentage of stock awards vesting each year   33.30%        
Weighted average grant date fair value, granted (in dollars per share)         $ 46.73  
Awards granted, April 8, 2022            
Share-based compensation            
Weighted average grant date fair value, granted (in dollars per share)         $ 55.73