Supplemental Financial Statement Information - Security Bonus Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Retirement and Security Bonus Plans
Cash surrender value in life insurance of certain employees	$ 8,000
Total liability	652,615	$ 325,591
Current liabilities	$ 169,479	$ 214,943
Deferred Bonus
Retirement and Security Bonus Plans
Initial vesting percentage (as a percent)	25.00%
Minimum vesting period (in years)	5 years
Annual vesting percentage after initial period (as a percent)	5.00%
Expense recognized	$ 100
Total liability	$ 9,700