Basis of Presentation (Details Textual)		12 Months Ended
	Mar. 31, 2013 state agency facility person bed	Dec. 31, 2012 Residential Treatment Services facility bed
Basis of Presentation (Textual) [Abstract]
Number of beds	72,000	1,970
Correctional, detention and residential treatment facilities including projects under development	95
Provision of monitoring services tracking offenders	70,000
Number of federal, state and local correctional agencies to which company provides monitoring services	900
Number of states in which the company operates	50
Number Of Health Care Facility Contracts		6