Goodwill - Additional Information (Detail) (USD $)	12 Months Ended		3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013 Idaho Correctional Center	Jun. 30, 2013 Wilkinson County Correctional Facility	Dec. 31, 2013 Bay Correction Facility in Florida
Goodwill and Intangible Assets Disclosure [Line Items]
Establishment of goodwill	This goodwill was established in connection with the acquisition of Correctional Alternatives Inc. ("CAI") during the third quarter of 2013, as further described in Note 5, and the acquisitions of two service companies during 2000.
Goodwill	$ 16,110,000	$ 11,158,000
Asset impairment charges	6,513,000		1,000,000	2,600,000	1,100,000
Goodwill impairment charges				800,000
Other assets impairment charges				$ 1,800,000