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Executive Bonus Plan - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 03, 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 Management Reported Operating Income (MORI) threshold for bonus plan (up to)	20.00%		20.00%
Bonus plan compensation expense | $	$ 9,905	$ 8,397	$ 26,469	$ 22,036

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Non-Deferred Incentive Bonus Threshold For Pro Rata Adjustment

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Number Of Trading Days After The End Of Applicable Quarter, Shares Determined Upon Election By Volume-Weighted Average Price

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Number Of Trading Days Prior To End Of Applicable Quarter, Shares Determined Upon Election By Volume-Weighted Average Price

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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