Income Taxes - Deferred Portion of Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Accrued expenses, deducted for tax when paid	$ 41,953	$ (32,741)	$ (33,997)
Internal-use software and capitalized costs	(7,930)	462	1,904
Depreciation	4,608	(2,286)	6,732
Unrealized gains (losses) from investments held in employee deferred compensation trusts	(26,009)	8,167	14,882
Other, net	1,695	5,000	(1,260)
Deferred portion of the tax provision (benefit)	$ 14,317	$ (21,398)	$ (11,739)