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Concentration (Tables)
 3 Months Ended
Mar. 31, 2022
Risks and Uncertainties [Abstract]  
Summary of segment revenues A summary of APUS Segment revenue derived from students by primary funding source is as follows (unaudited):
Three Months Ended March 31,
20222021
DoD tuition assistance programs48%45%
VA education benefits21%21%
Title IV programs18%20%
Cash and other sources13%14%
A summary of RU Segment revenue derived from students by primary funding source is as follows (unaudited):
Three Months Ended March 31,
20222021
Title IV programs74%76%
Cash and other sources24%22%
VA education benefits2%2%
    A summary of HCN Segment revenue derived from students by primary funding source is as follows (unaudited):
Three Months Ended March 31,
20222021
Title IV programs79%81%
Cash and other sources19%18%
VA education benefits2%1%