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Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On December 1, 2015, the Company made a $3.5 million investment in preferred stock of RallyPoint, an online social network for members of the military. The Company’s investment represented approximately 14% of RallyPoint’s fully diluted equity and entitled APEI to two board observer seats. On October 24, 2017, the Company made an additional $300,000 investment in preferred stock of RallyPoint. Subsequent to the additional investment, the Company’s fully diluted ownership was unchanged and the Company continues to be entitled to two board observer seats.