Fair Value Measurements - Financial Assets and Liabilities, Recurring (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Deferred compensation plan	$ 24,296	$ 22,510
Derivative instruments	10,575	26,354
Liabilities
Deferred compensation plan	33,607	30,581
Recurring basis
Assets
Deferred compensation plan	24,296	22,510
Derivative instruments	10,575	26,354
Total assets	34,871	48,864
Liabilities
Deferred compensation plan	33,607	30,581
Derivative instruments	1,001	145
Total liabilities	34,608	30,726
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring basis
Assets
Deferred compensation plan	24,296	22,510
Derivative instruments	0	0
Total assets	24,296	22,510
Liabilities
Deferred compensation plan	33,607	30,581
Derivative instruments	0	0
Total liabilities	33,607	30,581
Significant Other Observable Inputs (Level 2) | Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	1,836	2,647
Total assets	1,836	2,647
Liabilities
Deferred compensation plan	0	0
Derivative instruments	7	0
Total liabilities	7	0
Significant Unobservable Inputs (Level 3) | Recurring basis
Assets
Deferred compensation plan	0	0
Derivative instruments	8,739	23,707
Total assets	8,739	23,707
Liabilities
Deferred compensation plan	0	0
Derivative instruments	994	145
Total liabilities	$ 994	$ 145