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Stock-Based Compensation Plans - 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 | $ 3,877 | $ 2,858 | $ 3,264
Income tax benefit recognized for stock-based compensation | (967) | (713) | (663)
Stock-settled bonus awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total | 820 | 1,265 | 1,685
Vesting stock awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total | 2,273 | 1,593 | 1,579
Performance share awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total | $ 784 | $ 0 | $ 0

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