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Concentration (Tables)
9 Months Ended
Sep. 30, 2017
American Public Education Segment  
Concentration Risk [Line Items]  
Summary of APEI segment revenue
A summary of APEI Segment revenue derived from APUS students by primary funding source for the three and nine months ended September 30, 2017 and September 30, 2016 is included in the table below (unaudited).
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2017
 
2016
 
2017
 
2016
DoD tuition assistance programs
36.3%
 
35.3%
 
36.5%
 
35.8%
Title IV programs
27.4%
 
29.5%
 
26.9%
 
29.2%
VA education benefits
22.8%
 
22.3%
 
22.7%
 
22.1%
Cash and other sources
13.5%
 
12.9%
 
13.9%
 
12.9%