The Company and Basis of Presentation - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2014 State Location Attendant Facility
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of students in degree programs	55,000
Number of training facilities	2
Number of states where online programs are offered	50
Number of locations	148
Number of campuses	146
Number of learning sites	2
Number of states	39