Fair Value Measurements - Financial Assets and Liabilities, Recurring (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Deferred compensation plan	$ 15,784	$ 18,381
Derivative instruments	16,085	47
Liabilities
Deferred compensation plan	24,306	27,012
Recurring basis
Assets
Deferred compensation plan	15,784	18,381
Derivative instruments	16,085	47
Total assets	31,869	18,428
Liabilities
Deferred compensation plan	24,306	27,012
Derivative instruments	0	25
Total liabilities	24,306	27,037
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Recurring basis
Assets
Deferred compensation plan	15,784	18,381
Derivative instruments	0	0
Total assets	15,784	18,381
Liabilities
Deferred compensation plan	24,306	27,012
Derivative instruments	0	0
Total liabilities	24,306	27,012
Significant Other Observable Inputs (Level 2) \| Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	8,892	44
Total assets	8,892	44
Liabilities
Deferred compensation plan	0	0
Derivative instruments	0	0
Total liabilities	0	0
Significant Unobservable Inputs (Level 3) \| Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	7,193	3
Total assets	7,193	3
Liabilities
Deferred compensation plan	0	0
Derivative instruments	0	25
Total liabilities	$ 0	$ 25

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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