Basis of Presentation (Details Textual) detainees in Thousands, bed in Thousands	1 Months Ended
	Mar. 31, 2017 facility detainees bed
Class of Stock [Line Items]
Number of beds | bed	100
Correctional, detention and residential treatment facilities including projects under development | facility	143
Provision of monitoring services tracking offenders (in detainees)	174
Provision of monitoring services tracking offenders using technology products (in detainees)	95
Common shares
Class of Stock [Line Items]
Stock split, conversion ratio	1.5