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Executive Bonus Plan - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Sep. 22, 2020 USD ($) acquisition
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |
Number of trading days prior to end of applicable quarter, shares determined upon election by volume-weighted average price | acquisition |  |  |  |  | 10,000
Number of trading days after the end of applicable quarter, shares determined upon election by volume-weighted average price | acquisition |  |  |  |  | 10
Non-deferred incentive bonus threshold for pro rata adjustment | $ |  |  |  |  | $ 7,500
Deferred Bonus |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] |  |  |  |  |
Company's adjusted Management Reported Operating Income (MORI) threshold for bonus plan (up to) | 20.00% |  | 20.00% |  |
Bonus plan compensation expense | $ | $ 7,683 | $ 8,467 | $ 16,558 | $ 16,564 |

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