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Common Stock Stock Based Compensation Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Payment Arrangement, Expense $ 5,474 $ 5,020  
Common Stock, Capital Shares Reserved for Future Issuance     7,050,000
2018 Equity Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock shares remain avaliable for issuance 3,836,691    
2010 Long-Term Equity Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common stock shares remain avaliable for issuance 465,780