Restructuring and Related Charges - Restructuring liability (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Schedule of restructuring liability
Beginning balance	$ 1,612	$ 3,122
Restructuring and other charges	1,612	3,358
Payments	(2,815)	(4,581)
Ending balance	409	1,899
Severance And Other Employee Separation Costs | CEC Integration Plan
Schedule of restructuring liability
Beginning balance	0	1,835
Restructuring and other charges	0	0
Payments	0	(1,344)
Ending balance	0	491
Severance And Other Employee Separation Costs | 2020 Restructuring Plan
Schedule of restructuring liability
Beginning balance	1,612	1,287
Restructuring and other charges	1,612	3,358
Payments	(2,815)	(3,237)
Ending balance	$ 409	$ 1,408