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Share-Based Compensation - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to nonvested stock options | $ $ 9.4
Share-based Payment Arrangement, Tranche One  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 1 year
Vesting percentage 33.33%
Share-based Payment Arrangement, Tranche Two  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period 2 years
Vesting percentage 66.67%
Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to non-vested restricted stock units 2 years
Restricted Stock Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation expense related to nonvested non-option awards | $ $ 0.9
Unrecognized compensation expense related to non-vested restricted stock units 2 years 3 months 18 days
2017 Equity Incentive Plan  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Issuance of shares allowable under the plan, new shares (in shares) 14,500,000
Issuance of shares allowable under the plan, unallocated shares remaining (in shares) 384,000
Issuance of shares allowable under the plan, inducement award (in shares) 500,000
Shares available for issuance (in shares) 5,000,000
2017 Equity Incentive Plan | Option or stock appreciation right  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Reduction in shares available under the plan (in shares) 1
2017 Equity Incentive Plan | Full-value award  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Reduction in shares available under the plan (in shares) 1.5
2017 Equity Incentive Plan | Options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expiration period 10 years