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Goodwill and Other Intangible Assets - Schedule of Cost Basis, Accumulated Amortization Net Book Value of Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Intangible Assets Net Excluding Goodwill [Line Items]    
Cost $ 9,182 $ 10,109
Accumulated Amortization (7,782) (9,890)
Net Book Value of Amortizable intangible assets, net 1,400 219
Non-amortizable intangible assets 7,900 28,000
Intangible assets, net 9,300 28,219
Accreditation, licensing, and Title IV Program participation rights [Member]    
Intangible Assets Net Excluding Goodwill [Line Items]    
Non-amortizable intangible assets 1,000 1,000
Trade names [Member]    
Intangible Assets Net Excluding Goodwill [Line Items]    
Non-amortizable intangible assets 6,900 27,000
Courseware [Member]    
Intangible Assets Net Excluding Goodwill [Line Items]    
Cost 7,782 9,671
Accumulated Amortization (7,782) (9,671)
LCB [Member]    
Intangible Assets Net Excluding Goodwill [Line Items]    
Cost [1] 1,400  
Net Book Value of Amortizable intangible assets, net [1] $ 1,400  
Missouri College [Member]    
Intangible Assets Net Excluding Goodwill [Line Items]    
Cost   438
Accumulated Amortization   (219)
Net Book Value of Amortizable intangible assets, net   $ 219
[1] The current year amount relates to our CTU trade name. The prior year amount relates to our CTU trade name as well as our LCB and Sanford-Brown trade names which were impaired during the current year and, for our LCB trade name, the remaining fair value of which was reclassified as definite-lived.