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Basis of Presentation - Additional Information (Details)
Jun. 30, 2020
bed
facility
person
detainee
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Number of beds | bed 93,000
Correctional, detention and residential treatment facilities including projects under development | facility 125
Provision of monitoring services tracking offenders, number of individuals (more than) | person 210,000
Provision of monitoring services tracking offenders using technology products (in detainees) | detainee 100,000