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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | $ 4,707 | $ 2,227 | $ 8,221 | $ 4,014
Unrecognized compensation expense for options | $ 500 |  | $ 500 |
2020 Incentive Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares which may be granted under plan (in shares) | 6,488,988 |  | 6,488,988 |
Restricted Stock Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | $ 100 | 300 | $ 300 | 500
Unrecognized compensation expense for awards | 1,100 |  | $ 1,100 |
Unrecognized compensation expense, period for recognition |  |  | 1 year |
Time-Based Restricted Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | 2,400 | 1,200 | $ 4,300 | 2,200
Unrecognized compensation expense for awards | 17,400 |  | $ 17,400 |
Unrecognized compensation expense, period for recognition |  |  | 2 years 7 months 6 days |
Modification of awards | 3,500 |  | $ 4,800 |
Performance-Based Restricted Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | 2,000 | 600 | 3,100 | 900
Unrecognized compensation expense for awards | 16,300 |  | $ 16,300 |
Unrecognized compensation expense, period for recognition |  |  | 1 year 10 months 24 days |
Modification of awards | $ 800 |  | $ 1,000 |
Performance-Based Restricted Stock Units | Awards Granted 2021 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
TSR payout percentage, minimum | 0.00% |  | 0.00% |
TSR payout percentage, maximum | 200.00% |  | 200.00% |
TSR payout percentage, target | 100.00% |  | 100.00% |
TSR, target | 50.00% |  | 50.00% |
TSR, minimum | 25.00% |  | 25.00% |
TSR, maximum | 85.00% |  | 85.00% |
Performance-Based Restricted Stock Units | Awards Granted in 2020 and Prior |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
TSR payout percentage, minimum | 0.00% |  | 0.00% |
TSR payout percentage, maximum | 150.00% |  | 150.00% |
TSR payout percentage, target | 100.00% |  | 100.00% |
TSR, target | 50.00% |  | 50.00% |
TSR, minimum | 25.00% |  | 25.00% |
TSR, maximum | 75.00% |  | 75.00% |
Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock compensation expense | $ 200 | $ 200 | $ 400 | $ 400
Unrecognized compensation expense, period for recognition |  |  | 8 months 12 days |

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