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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