3.22.1 html 197 278 1 false 57 0 false 8 false false R1.htm 0001001 - Document - Cover Page Sheet http://www.americanpubliceducation.com/role/CoverPage Cover Page Cover 1 false false R2.htm 1001002 - Statement - Consolidated Balance Sheets Sheet http://www.americanpubliceducation.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1002003 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.americanpubliceducation.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1003004 - Statement - Consolidated Statements of Income Sheet http://www.americanpubliceducation.com/role/ConsolidatedStatementsofIncome Consolidated Statements of Income Statements 4 false false R5.htm 1004005 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.americanpubliceducation.com/role/ConsolidatedStatementsofComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 5 false false R6.htm 1005006 - Statement - Consolidated Statements of Stockholders' Equity (Unaudited) Sheet http://www.americanpubliceducation.com/role/ConsolidatedStatementsofStockholdersEquityUnaudited Consolidated Statements of Stockholders' Equity (Unaudited) Statements 6 false false R7.htm 1006007 - Statement - Consolidated Statements of Cash Flows Sheet http://www.americanpubliceducation.com/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 2101101 - Disclosure - Nature of the Business Sheet http://www.americanpubliceducation.com/role/NatureoftheBusiness Nature of the Business Notes 8 false false R9.htm 2103102 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 2110103 - Disclosure - Acquisition Activity Sheet http://www.americanpubliceducation.com/role/AcquisitionActivity Acquisition Activity Notes 10 false false R11.htm 2115104 - Disclosure - Revenue Sheet http://www.americanpubliceducation.com/role/Revenue Revenue Notes 11 false false R12.htm 2119105 - Disclosure - Leases Sheet http://www.americanpubliceducation.com/role/Leases Leases Notes 12 false false R13.htm 2124106 - Disclosure - Goodwill and Intangible Assets Sheet http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssets Goodwill and Intangible Assets Notes 13 false false R14.htm 2129107 - Disclosure - Net Income Per Common Share Sheet http://www.americanpubliceducation.com/role/NetIncomePerCommonShare Net Income Per Common Share Notes 14 false false R15.htm 2133108 - Disclosure - Long-Term Debt Sheet http://www.americanpubliceducation.com/role/LongTermDebt Long-Term Debt Notes 15 false false R16.htm 2138109 - Disclosure - Segment Information Sheet http://www.americanpubliceducation.com/role/SegmentInformation Segment Information Notes 16 false false R17.htm 2143110 - Disclosure - Commitments and Contingencies Sheet http://www.americanpubliceducation.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 17 false false R18.htm 2144111 - Disclosure - Concentration Sheet http://www.americanpubliceducation.com/role/Concentration Concentration Notes 18 false false R19.htm 2204201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPolicies 19 false false R20.htm 2305301 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPolicies 20 false false R21.htm 2311302 - Disclosure - Acquisition Activity (Tables) Sheet http://www.americanpubliceducation.com/role/AcquisitionActivityTables Acquisition Activity (Tables) Tables http://www.americanpubliceducation.com/role/AcquisitionActivity 21 false false R22.htm 2316303 - Disclosure - Revenue (Tables) Sheet http://www.americanpubliceducation.com/role/RevenueTables Revenue (Tables) Tables http://www.americanpubliceducation.com/role/Revenue 22 false false R23.htm 2320304 - Disclosure - Leases (Tables) Sheet http://www.americanpubliceducation.com/role/LeasesTables Leases (Tables) Tables http://www.americanpubliceducation.com/role/Leases 23 false false R24.htm 2325305 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssets 24 false false R25.htm 2330306 - Disclosure - Net Income Per Common Share (Tables) Sheet http://www.americanpubliceducation.com/role/NetIncomePerCommonShareTables Net Income Per Common Share (Tables) Tables http://www.americanpubliceducation.com/role/NetIncomePerCommonShare 25 false false R26.htm 2334307 - Disclosure - Long-Term Debt (Tables) Sheet http://www.americanpubliceducation.com/role/LongTermDebtTables Long-Term Debt (Tables) Tables http://www.americanpubliceducation.com/role/LongTermDebt 26 false false R27.htm 2339308 - Disclosure - Segment Information (Tables) Sheet http://www.americanpubliceducation.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.americanpubliceducation.com/role/SegmentInformation 27 false false R28.htm 2345309 - Disclosure - Concentration (Tables) Sheet http://www.americanpubliceducation.com/role/ConcentrationTables Concentration (Tables) Tables http://www.americanpubliceducation.com/role/Concentration 28 false false R29.htm 2402401 - Disclosure - Nature of the Business - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/NatureoftheBusinessNarrativeDetails Nature of the Business - Narrative (Details) Details 29 false false R30.htm 2406402 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails Summary of Significant Accounting Policies - Narrative (Details) Details 30 false false R31.htm 2407403 - Disclosure - Summary of Significant Accounting Policies - Restricted Cash (Details) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesRestrictedCashDetails Summary of Significant Accounting Policies - Restricted Cash (Details) Details 31 false false R32.htm 2408404 - Disclosure - Summary of Significant Accounting Policies - Stock-Based Compensation Expense (Details) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesStockBasedCompensationExpenseDetails Summary of Significant Accounting Policies - Stock-Based Compensation Expense (Details) Details 32 false false R33.htm 2409405 - Disclosure - Summary of Significant Accounting Policies - Incentive-based Compensation (Details) Sheet http://www.americanpubliceducation.com/role/SummaryofSignificantAccountingPoliciesIncentivebasedCompensationDetails Summary of Significant Accounting Policies - Incentive-based Compensation (Details) Details 33 false false R34.htm 2412406 - Disclosure - Acquisition Activity - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/AcquisitionActivityNarrativeDetails Acquisition Activity - Narrative (Details) Details 34 false false R35.htm 2413407 - Disclosure - Acquisition Activity - Assets Acquired and Liabilities (Details) Sheet http://www.americanpubliceducation.com/role/AcquisitionActivityAssetsAcquiredandLiabilitiesDetails Acquisition Activity - Assets Acquired and Liabilities (Details) Details 35 false false R36.htm 2414408 - Disclosure - Acquisition Activity - Schedule of Fair Value of Identified Intangible Assets Acquired (Details) Sheet http://www.americanpubliceducation.com/role/AcquisitionActivityScheduleofFairValueofIdentifiedIntangibleAssetsAcquiredDetails Acquisition Activity - Schedule of Fair Value of Identified Intangible Assets Acquired (Details) Details 36 false false R37.htm 2417409 - Disclosure - Revenue - Disaggregation of Revenue (Details) Sheet http://www.americanpubliceducation.com/role/RevenueDisaggregationofRevenueDetails Revenue - Disaggregation of Revenue (Details) Details 37 false false R38.htm 2418410 - Disclosure - Revenue - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/RevenueNarrativeDetails Revenue - Narrative (Details) Details 38 false false R39.htm 2421411 - Disclosure - Leases - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/LeasesNarrativeDetails Leases - Narrative (Details) Details 39 false false R40.htm 2422412 - Disclosure - Leases - Maturities of Operating Lease Liabilities (Details) Sheet http://www.americanpubliceducation.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails Leases - Maturities of Operating Lease Liabilities (Details) Details 40 false false R41.htm 2423413 - Disclosure - Leases - Other Information (Details) Sheet http://www.americanpubliceducation.com/role/LeasesOtherInformationDetails Leases - Other Information (Details) Details 41 false false R42.htm 2426414 - Disclosure - Goodwill and Intangible Assets - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssetsNarrativeDetails Goodwill and Intangible Assets - Narrative (Details) Details 42 false false R43.htm 2427415 - Disclosure - Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Reportable Segment (Details) Sheet http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssetsScheduleofChangesinCarryingAmountofGoodwillbyReportableSegmentDetails Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill by Reportable Segment (Details) Details 43 false false R44.htm 2428416 - Disclosure - Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Details) Sheet http://www.americanpubliceducation.com/role/GoodwillandIntangibleAssetsScheduleofOtherIntangibleAssetsDetails Goodwill and Intangible Assets - Schedule of Other Intangible Assets (Details) Details 44 false false R45.htm 2431417 - Disclosure - Net Income Per Common Share - Schedule of Earnings Per Share (Details) Sheet http://www.americanpubliceducation.com/role/NetIncomePerCommonShareScheduleofEarningsPerShareDetails Net Income Per Common Share - Schedule of Earnings Per Share (Details) Details 45 false false R46.htm 2432418 - Disclosure - Net Income Per Common Share - Antidilutive Securities (Details) Sheet http://www.americanpubliceducation.com/role/NetIncomePerCommonShareAntidilutiveSecuritiesDetails Net Income Per Common Share - Antidilutive Securities (Details) Details 46 false false R47.htm 2435419 - Disclosure - Long-Term Debt - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/LongTermDebtNarrativeDetails Long-Term Debt - Narrative (Details) Details 47 false false R48.htm 2436420 - Disclosure - Long-Term Debt - Long term debt (Details) Sheet http://www.americanpubliceducation.com/role/LongTermDebtLongtermdebtDetails Long-Term Debt - Long term debt (Details) Details 48 false false R49.htm 2437421 - Disclosure - Long-Term Debt - Maturities of long term debt (Details) Sheet http://www.americanpubliceducation.com/role/LongTermDebtMaturitiesoflongtermdebtDetails Long-Term Debt - Maturities of long term debt (Details) Details 49 false false R50.htm 2440422 - Disclosure - Segment Information - Narrative (Details) Sheet http://www.americanpubliceducation.com/role/SegmentInformationNarrativeDetails Segment Information - Narrative (Details) Details 50 false false R51.htm 2441423 - Disclosure - Segment Information - Summary of Financial Information (Details) Sheet http://www.americanpubliceducation.com/role/SegmentInformationSummaryofFinancialInformationDetails Segment Information - Summary of Financial Information (Details) Details 51 false false R52.htm 2442424 - Disclosure - Segment Information - Summary of Consolidated Assets (Details) Sheet http://www.americanpubliceducation.com/role/SegmentInformationSummaryofConsolidatedAssetsDetails Segment Information - Summary of Consolidated Assets (Details) Details 52 false false R53.htm 2446425 - Disclosure - Concentration - Summary of Segment Revenue Derived from Students by Primary Funding Source (Details) Sheet http://www.americanpubliceducation.com/role/ConcentrationSummaryofSegmentRevenueDerivedfromStudentsbyPrimaryFundingSourceDetails Concentration - Summary of Segment Revenue Derived from Students by Primary Funding Source (Details) Details 53 false false All Reports Book All Reports apei-20220331.htm apei-20220331.xsd apei-20220331_cal.xml apei-20220331_def.xml apei-20220331_lab.xml apei-20220331_pre.xml exhibit311q122.htm exhibit312q122.htm exhibit321q122.htm apei-20220331_g1.jpg http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true