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Discontinued Operations - Assets and Liabilities of Discontinued Operations on Consolidated Balance Sheets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Disposal Group Including Discontinued Operation Balance Sheet Disclosures [Abstract]        
Cash and cash equivalents $ 199 $ 182 $ 114,428 $ 127,925
Receivables, net 237 368    
Other current assets 87 600    
Total current assets 523 1,150    
Property and equipment, net 12 396    
Other assets, net 1,394 1,458    
Total assets of discontinued operations 1,929 3,004    
Accounts payable and accrued expenses 216 790    
Deferred tuition revenue   217    
Remaining lease obligations 15,202 13,048    
Total current liabilities 15,418 14,055    
Remaining lease obligations 32,225 30,852    
Other   3,262    
Total liabilities of discontinued operations $ 47,643 $ 48,169