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Stockholders' Equity - Compensation Expense & Tax Benefit (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Compensation expense for stock options        
Compensation expense $ 408 $ 291 $ 681 $ 505
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Balance of 2022 615   615  
2023 830   830  
2024 359   359  
2025 $ 585   $ 585