3.20.2 html 219 430 1 true 63 0 false 4 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.nextgen.com/20200930/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://www.nextgen.com/20200930/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsUnaudited Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 100020 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) Sheet http://www.nextgen.com/20200930/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsUnauditedParenthetical Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited) Sheet http://www.nextgen.com/20200930/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited Condensed Consolidated Statements of Comprehensive Income (Unaudited) Statements 4 false false R5.htm 100040 - Statement - Condensed Consolidated Statement of Stockholders' Equity (Unaudited) Sheet http://www.nextgen.com/20200930/taxonomy/role/StatementCondensedConsolidatedStatementOfStockholdersEquityUnaudited Condensed Consolidated Statement of Stockholders' Equity (Unaudited) Statements 5 false false R6.htm 100050 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.nextgen.com/20200930/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 100060 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 7 false false R8.htm 100070 - Disclosure - Revenue from Contracts with Customers Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRevenueFromContractsWithCustomers Revenue from Contracts with Customers Notes 8 false false R9.htm 100080 - Disclosure - Accounts Receivable Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureAccountsReceivable Accounts Receivable Notes 9 false false R10.htm 100090 - Disclosure - Fair Value Measurements Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 10 false false R11.htm 100100 - Disclosure - Leases Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeases Leases Notes 11 false false R12.htm 100110 - Disclosure - Business Combinations Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureBusinessCombinations Business Combinations Notes 12 false false R13.htm 100120 - Disclosure - Goodwill Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureGoodwill Goodwill Notes 13 false false R14.htm 100130 - Disclosure - Intangible Assets Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssets Intangible Assets Notes 14 false false R15.htm 100140 - Disclosure - Capitalized Software Costs Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCosts Capitalized Software Costs Notes 15 false false R16.htm 100150 - Disclosure - Line of Credit Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLineOfCredit Line of Credit Notes 16 false false R17.htm 100160 - Disclosure - Composition of Certain Financial Statement Captions Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptions Composition of Certain Financial Statement Captions Notes 17 false false R18.htm 100170 - Disclosure - Income Taxes Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 18 false false R19.htm 100180 - Disclosure - Earnings Per Share Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureEarningsPerShare Earnings Per Share Notes 19 false false R20.htm 100190 - Disclosure - Share-Based Awards Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwards Share-Based Awards Notes 20 false false R21.htm 100200 - Disclosure - Concentration of Credit Risk Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureConcentrationOfCreditRisk Concentration of Credit Risk Notes 21 false false R22.htm 100210 - Disclosure - Commitments, Guarantees and Contingencies Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCommitmentsGuaranteesAndContingencies Commitments, Guarantees and Contingencies Notes 22 false false R23.htm 100220 - Disclosure - Restructuring Plan Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRestructuringPlan Restructuring Plan Notes 23 false false R24.htm 100230 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 24 false false R25.htm 100240 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies 25 false false R26.htm 100250 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRevenueFromContractsWithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureRevenueFromContractsWithCustomers 26 false false R27.htm 100260 - Disclosure - Accounts Receivable (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureAccountsReceivableTables Accounts Receivable (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureAccountsReceivable 27 false false R28.htm 100270 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurements 28 false false R29.htm 100280 - Disclosure - Leases (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeasesTables Leases (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeases 29 false false R30.htm 100290 - Disclosure - Business Combinations (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureBusinessCombinationsTables Business Combinations (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureBusinessCombinations 30 false false R31.htm 100300 - Disclosure - Intangible Assets (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssetsTables Intangible Assets (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssets 31 false false R32.htm 100310 - Disclosure - Capitalized Software Costs (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCostsTables Capitalized Software Costs (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCosts 32 false false R33.htm 100320 - Disclosure - Composition of Certain Financial Statement Captions (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsTables Composition of Certain Financial Statement Captions (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptions 33 false false R34.htm 100330 - Disclosure - Earnings Per Share (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureEarningsPerShareTables Earnings Per Share (Tables) Tables http://www.nextgen.com/20200930/taxonomy/role/DisclosureEarningsPerShare 34 false false R35.htm 100340 - Disclosure - Share Based Awards (Tables) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwardsTables Share Based Awards (Tables) Tables 35 false false R36.htm 100350 - Disclosure - Summary of Significant Accounting Policies - Schedule of Stock-Based Compensation Expense (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfStockBasedCompensationExpenseDetails Summary of Significant Accounting Policies - Schedule of Stock-Based Compensation Expense (Details) Details 36 false false R37.htm 100360 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 37 false false R38.htm 100370 - Disclosure - Revenue from Contracts with Customers - Schedule of Revenues Disaggregated by Major Revenue Categories and by Occurrence (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRevenueFromContractsWithCustomersScheduleOfRevenuesDisaggregatedByMajorRevenueCategoriesAndByOccurrenceDetails Revenue from Contracts with Customers - Schedule of Revenues Disaggregated by Major Revenue Categories and by Occurrence (Details) Details 38 false false R39.htm 100380 - Disclosure - Revenue from Contracts with Customers - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetails Revenue from Contracts with Customers - Additional Information (Details) Details 39 false false R40.htm 100390 - Disclosure - Accounts Receivable - Summary of Accounts Receivable (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureAccountsReceivableSummaryOfAccountsReceivableDetails Accounts Receivable - Summary of Accounts Receivable (Details) Details 40 false false R41.htm 100400 - Disclosure - Accounts Receivable - Summary of Changes in Allowance for Doubtful Accounts (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureAccountsReceivableSummaryOfChangesInAllowanceForDoubtfulAccountsDetails Accounts Receivable - Summary of Changes in Allowance for Doubtful Accounts (Details) Details 41 false false R42.htm 100410 - Disclosure - Fair Value Measurements - Fair Value of Assets and Liabilities on a Recurring Basis (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurementsFairValueOfAssetsAndLiabilitiesOnRecurringBasisDetails Fair Value Measurements - Fair Value of Assets and Liabilities on a Recurring Basis (Details) Details 42 false false R43.htm 100420 - Disclosure - Fair Value Measurements - Financial Assets and Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) (Details ) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredAtFairValueUsingSignificantUnobservableInputsLevel3Details Fair Value Measurements - Financial Assets and Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) (Details ) Details 43 false false R44.htm 100430 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 44 false false R45.htm 100440 - Disclosure - Leases - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 45 false false R46.htm 100450 - Disclosure - Leases - Summary of Components of Operating Lease Costs (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeasesSummaryOfComponentsOfOperatingLeaseCostsDetails Leases - Summary of Components of Operating Lease Costs (Details) Details 46 false false R47.htm 100460 - Disclosure - Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeasesSupplementalCashFlowInformationRelatedToOperatingLeasesDetails Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) Details 47 false false R48.htm 100470 - Disclosure - Leases - Summary of Future Minimum Aggregate Lease Payments Operating Leases (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLeasesSummaryOfFutureMinimumAggregateLeasePaymentsOperatingLeasesDetails Leases - Summary of Future Minimum Aggregate Lease Payments Operating Leases (Details) Details 48 false false R49.htm 100490 - Disclosure - Business Combinations - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureBusinessCombinationsAdditionalInformationDetails Business Combinations - Additional Information (Details) Details 49 false false R50.htm 100500 - Disclosure - Business Combinations - Summary of Purchase Price Allocation (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureBusinessCombinationsSummaryOfPurchasePriceAllocationDetails Business Combinations - Summary of Purchase Price Allocation (Details) Details 50 false false R51.htm 100510 - Disclosure - Goodwill - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureGoodwillAdditionalInformationDetails Goodwill - Additional Information (Details) Details 51 false false R52.htm 100520 - Disclosure - Intangible Assets - Intangible Assets, Other than Capitalized Software Development Costs (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssetsIntangibleAssetsOtherThanCapitalizedSoftwareDevelopmentCostsDetails Intangible Assets - Intangible Assets, Other than Capitalized Software Development Costs (Details) Details 52 false false R53.htm 100530 - Disclosure - Intangible Assets - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformationDetails Intangible Assets - Additional Information (Details) Details 53 false false R54.htm 100540 - Disclosure - Intangible Assets - Estimated Amortization of Intangible Assets with Determinable Lives (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIntangibleAssetsEstimatedAmortizationOfIntangibleAssetsWithDeterminableLivesDetails Intangible Assets - Estimated Amortization of Intangible Assets with Determinable Lives (Details) Details 54 false false R55.htm 100550 - Disclosure - Capitalized Software Costs - Capitalized Software Development Costs (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCostsCapitalizedSoftwareDevelopmentCostsDetails Capitalized Software Costs - Capitalized Software Development Costs (Details) Details 55 false false R56.htm 100560 - Disclosure - Capitalized Software Costs - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCostsAdditionalInformationDetails Capitalized Software Costs - Additional Information (Details) Details 56 false false R57.htm 100570 - Disclosure - Capitalized Software Costs - Estimated Amortization of Capitalized Software Costs (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCapitalizedSoftwareCostsEstimatedAmortizationOfCapitalizedSoftwareCostsDetails Capitalized Software Costs - Estimated Amortization of Capitalized Software Costs (Details) Details 57 false false R58.htm 100580 - Disclosure - Line of Credit - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureLineOfCreditAdditionalInformationDetails Line of Credit - Additional Information (Details) Details 58 false false R59.htm 100590 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Cash, Cash Equivalents, and Restricted Cash (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfCashCashEquivalentsAndRestrictedCashDetails Composition of Certain Financial Statement Captions - Summary of Cash, Cash Equivalents, and Restricted Cash (Details) Details 59 false false R60.htm 100600 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Prepaid Expenses and Other Current Assets (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfPrepaidExpensesAndOtherCurrentAssetsDetails Composition of Certain Financial Statement Captions - Summary of Prepaid Expenses and Other Current Assets (Details) Details 60 false false R61.htm 100610 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Equipment and Improvements (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfEquipmentAndImprovementsDetails Composition of Certain Financial Statement Captions - Summary of Equipment and Improvements (Details) Details 61 false false R62.htm 100620 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Other Assets (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfOtherAssetsDetails Composition of Certain Financial Statement Captions - Summary of Other Assets (Details) Details 62 false false R63.htm 100630 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Accrued Compensation and Related Benefits (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfAccruedCompensationAndRelatedBenefitsDetails Composition of Certain Financial Statement Captions - Summary of Accrued Compensation and Related Benefits (Details) Details 63 false false R64.htm 100640 - Disclosure - Composition of Certain Financial Statement Captions - Summary of Other Current Liabilities (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCompositionOfCertainFinancialStatementCaptionsSummaryOfOtherCurrentLiabilitiesDetails Composition of Certain Financial Statement Captions - Summary of Other Current Liabilities (Details) Details 64 false false R65.htm 100650 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 65 false false R66.htm 100660 - Disclosure - Earnings Per Share - Weighted Average Shares Outstanding for Basic and Diluted Net Income Per Share (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureEarningsPerShareWeightedAverageSharesOutstandingForBasicAndDilutedNetIncomePerShareDetails Earnings Per Share - Weighted Average Shares Outstanding for Basic and Diluted Net Income Per Share (Details) Details 66 false false R67.htm 100670 - Disclosure - Earnings Per Share - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureEarningsPerShareAdditionalInformationDetails Earnings Per Share - Additional Information (Details) Details 67 false false R68.htm 100680 - Disclosure - Share Based Awards - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwardsAdditionalInformationDetails Share Based Awards - Additional Information (Details) Details 68 false false R69.htm 100690 - Disclosure - Share Based Awards - Summary of Stock Option Activity (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwardsSummaryOfStockOptionActivityDetails Share Based Awards - Summary of Stock Option Activity (Details) Details 69 false false R70.htm 100700 - Disclosure - Share Based Awards - Summary of Non-vested Stock Option (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwardsSummaryOfNonVestedStockOptionDetails Share Based Awards - Summary of Non-vested Stock Option (Details) Details 70 false false R71.htm 100710 - Disclosure - Share Based Awards - Summary of Restricted Stock Awards Activity (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureShareBasedAwardsSummaryOfRestrictedStockAwardsActivityDetails Share Based Awards - Summary of Restricted Stock Awards Activity (Details) Details 71 false false R72.htm 100720 - Disclosure - Commitments, Guarantees and Contingencies - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureCommitmentsGuaranteesAndContingenciesAdditionalInformationDetails Commitments, Guarantees and Contingencies - Additional Information (Details) Details 72 false false R73.htm 100730 - Disclosure - Restructuring Plan - Additional Information (Details) Sheet http://www.nextgen.com/20200930/taxonomy/role/DisclosureRestructuringPlanAdditionalInformationDetails Restructuring Plan - Additional Information (Details) Details 73 false false All Reports Book All Reports nxgn-10q_20200930.htm nxgn-20200930.xsd nxgn-20200930_cal.xml nxgn-20200930_def.xml nxgn-20200930_lab.xml nxgn-20200930_pre.xml nxgn-ex311_6.htm nxgn-ex312_8.htm nxgn-ex321_7.htm http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2020-01-31 http://fasb.org/us-gaap/2020-01-31 true true