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Stock-Based Compensation Plans - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock-based compensation expense | $ 6,950 | $ 6,585
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Incentive plan, total intrinsic value of stock options exercised | 300 | $ 5,300
Unrecognized compensation costs | $ 100 |
Unrecognized compensation costs, weighted average recognition period | 10 months 24 days |
LTIP Performance Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares vested | 668,240 |
Shares withheld to pay employees' portion of minimum payroll withholding taxes | 165,237 |
Restricted Share Awards (RSAs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares vested | 88,913 |
Shares withheld to pay employees' portion of minimum payroll withholding taxes | 28,233 |
Total Shareholder Return Awards (TSRs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares vested | 199,413 |
Payout rate | 93.00% |
Vesting performance period | 3 years |
Shares withheld to pay employees' portion of minimum payroll withholding taxes | 53,033 |
Unrecognized compensation costs | $ 31,500 |
Unrecognized compensation costs, weighted average recognition period | 2 years 6 months |
Restricted Share Units (RSUs) |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares vested | 327,491 |
Shares withheld to pay employees' portion of minimum payroll withholding taxes | 103,839 |
Unrecognized compensation costs | $ 33,700 |
Unrecognized compensation costs, weighted average recognition period | 2 years 4 months 24 days |
2017 Employee Stock Purchase Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Shares issued under ESPP | 31,794 | 32,174
2016 Equity and Performance Incentive Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock-based compensation expense | $ 7,000 | $ 6,600
Stock-based compensation expense, tax benefits | $ 1,400 | $ 1,200

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