Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of deferred compensation plan	$ 136,321	$ 127,332
Available-for-sale debt securities	38,670	25,708	$ 60,659
Deferred compensation plan liabilities	(136,321)	(127,332)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of deferred compensation plan	136,321	127,332
Available-for-sale debt securities	38,670	25,708
Other depository assets	1,144	0
Deferred compensation plan liabilities	(136,321)	(127,332)
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, net	(211)	(2,565)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent purchase price liabilities	$ (79,139)	$ (54,391)