Employee Deferred Compensation Plan Obligations (Tables)

12 Months Ended

Dec. 31, 2020

Deferred Compensation Plans [Abstract]

contribution plans and nonqualified plans

The following table presents the Company’s compensation expense related to its qualified defined contribution plans and nonqualified plans (in thousands):

	Year Ended December 31,
	2020		2019		2018
Contribution expense	$	42,092	$	26,122	$	24,184
Employee deferred compensation expense (income) related to changes in the fair value of trust assets	75,188		54,917		(11,486)
	$	117,280	$	81,039	$	12,698