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Share-Based Compensation - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total pre-tax stock-based compensation expense charged against income | $ 8,827 | $ 7,872 | $ 6,865
Total recognized tax (deficiency) benefit related to share-based compensation | (217) | (293) | 196
Stock options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total pre-tax stock-based compensation expense charged against income | 1,832 | 2,134 | 2,623
Restricted stock, restricted stock units and deferred stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total pre-tax stock-based compensation expense charged against income | 6,367 | 5,195 | 3,967
Performance stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total pre-tax stock-based compensation expense charged against income | 401 | 0 | 0
Employee Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total pre-tax stock-based compensation expense charged against income | $ 227 | $ 543 | $ 275

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