Discontinued Operations - Additional Information (Detail)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2013 Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of discontinued operations | $	$ 0	$ 0
Current liabilities of discontinued operations | $		$ 54,000
Dawson State Jail
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Housing capacity of terminated facility, in beds | Facility			2,216
Wilkinson County Correctional Facility
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Housing capacity of terminated facility, in beds | Facility			1,000