Accrued Liabilities - Severance Payments, Covid (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	$ 2,596	$ 4,822	$ 11,508
COVID-19 Related
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	0	120	4,925
YP Integration Related
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	0	0	3,377
Other
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	$ 2,596	$ 4,702	$ 3,206