Business Combinations - Additional Information (Detail) - Rocky Mountain Offender Management Systems, LLC $ in Millions	Jan. 02, 2018 USD ($) State
Business Acquisition [Line Items]
Number of states in which company facilities are located \| State	7
Aggregate purchase price \| $	$ 7.0

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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