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Stockholders' Equity - Compensation Costs Recognized (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Restricted Stock Awards        
Class of Stock [Line Items]        
Compensation cost $ 1,153 $ 1,252 $ 2,902 $ 2,364
Restricted Stock Units        
Class of Stock [Line Items]        
Compensation cost 338 328 1,011 656
Stock Option Awards        
Class of Stock [Line Items]        
Compensation cost $ 525 $ 499 $ 1,761 $ 945