Business Segments and Geographic Information - Sources of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Revenues	$ 2,256,612	$ 2,350,098	$ 2,477,922
Secure Services
Revenues:
Revenues	1,702,785	1,798,756
Electronic Monitoring and Supervision Services
Revenues:
Revenues	278,934	241,944
Reentry Services
Revenues:
Revenues	$ 274,893	$ 309,398