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Employee Benefits - Summary of Share-Based Compensation Expense Under the 2014 Omnibus Incentive Plan (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] |  |  |
Share-based compensation expense | $ 13,752 | $ 10,826 | $ 8,727
2014 Omnibus Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 13,752 | 10,826 | 8,727
2014 Omnibus Incentive Plan | Common Stock Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 5,285 | 4,116 | 4,242
2014 Omnibus Incentive Plan | Common Stock Awards | Non-Employee Common Stock Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 465 | 333 | 359
2014 Omnibus Incentive Plan | Performance-Based Stock Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 4,528 | 3,869 | 3,034
2014 Omnibus Incentive Plan | Liability Performance-Based Stock Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | 2,612 | 1,969 | 432
2014 Omnibus Incentive Plan | Performance-Based Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation expense | $ 862 | $ 539 | $ 660

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