Goodwill - Additional Information (Detail) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013 Bed	Jun. 30, 2013 Bed	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Establishment of goodwill		This goodwill was established in connection with the acquisitions of two service companies during 2000.
Goodwill	$ 11,158,000	$ 11,158,000	$ 11,988,000
Number of beds at the facility	92,000	92,000
Asset impairment charges	2,637,000	2,637,000
Goodwill impairment charges		800,000
Other assets impairment charges		$ 1,800,000
Wilkinson County Correctional Facility
Goodwill and Intangible Assets Disclosure [Line Items]
Number of beds at the facility	1,000	1,000