Fair Value Measurements - Financial Assets and Liabilities, Recurring (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets
Deferred compensation plan	$ 25,820	$ 22,510
Derivative instruments	0	26,354
Liabilities
Deferred compensation plan	34,477	30,581
Recurring basis
Assets
Deferred compensation plan	25,820	22,510
Derivative instruments	0	26,354
Total assets	25,820	48,864
Liabilities
Deferred compensation plan	34,477	30,581
Derivative instruments	77,199	145
Total liabilities	111,676	30,726
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis
Assets
Deferred compensation plan	25,820	22,510
Derivative instruments	0	0
Total assets	25,820	22,510
Liabilities
Deferred compensation plan	34,477	30,581
Derivative instruments	0	0
Total liabilities	34,477	30,581
Significant Other Observable Inputs (Level 2) | Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	0	2,647
Total assets	0	2,647
Liabilities
Deferred compensation plan	0	0
Derivative instruments	18,825	0
Total liabilities	18,825	0
Significant Unobservable Inputs (Level 3) | Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	0	23,707
Total assets	0	23,707
Liabilities
Deferred compensation plan	0	0
Derivative instruments	58,374	145
Total liabilities	$ 58,374	$ 145