Company Retirement Plans (Details) - United States - 401(k) Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Company retirement plans
Employer discretionary contributions	$ 0	$ 0	$ 0
Employer's contribution	$ 16,600	$ 11,600	$ 8,400