3.24.2.u1 html 274 252 1 false 55 0 false 6 false false R1.htm 0000001 - Document - Cover Sheet http://www.elliman.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY Statements 5 false false R6.htm 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (Parenthetical) Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (Parenthetical) Statements 6 false false R7.htm 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.elliman.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 9952157 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 8 false false R9.htm 9952158 - Disclosure - REVENUE RECOGNITION Sheet http://www.elliman.com/role/REVENUERECOGNITION REVENUE RECOGNITION Notes 9 false false R10.htm 9952159 - Disclosure - CURRENT EXPECTED CREDIT LOSSES Sheet http://www.elliman.com/role/CURRENTEXPECTEDCREDITLOSSES CURRENT EXPECTED CREDIT LOSSES Notes 10 false false R11.htm 9952160 - Disclosure - LEASES Sheet http://www.elliman.com/role/LEASES LEASES Notes 11 false false R12.htm 9952161 - Disclosure - LONG-TERM INVESTMENTS Sheet http://www.elliman.com/role/LONGTERMINVESTMENTS LONG-TERM INVESTMENTS Notes 12 false false R13.htm 9952162 - Disclosure - EQUITY METHOD INVESTMENTS Sheet http://www.elliman.com/role/EQUITYMETHODINVESTMENTS EQUITY METHOD INVESTMENTS Notes 13 false false R14.htm 9952163 - Disclosure - CONTINGENCIES Sheet http://www.elliman.com/role/CONTINGENCIES CONTINGENCIES Notes 14 false false R15.htm 9952164 - Disclosure - INCOME TAXES Sheet http://www.elliman.com/role/INCOMETAXES INCOME TAXES Notes 15 false false R16.htm 9952165 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS Sheet http://www.elliman.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTS INVESTMENTS AND FAIR VALUE MEASUREMENTS Notes 16 false false R17.htm 9952166 - Disclosure - SEGMENT INFORMATION Sheet http://www.elliman.com/role/SEGMENTINFORMATION SEGMENT INFORMATION Notes 17 false false R18.htm 9952167 - Disclosure - ESCROW FUNDS IN HOLDING Sheet http://www.elliman.com/role/ESCROWFUNDSINHOLDING ESCROW FUNDS IN HOLDING Notes 18 false false R19.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 19 false false R20.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 20 false false R21.htm 9954471 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 21 false false R22.htm 9954472 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 22 false false R23.htm 9954473 - Disclosure - REVENUE RECOGNITION (Tables) Sheet http://www.elliman.com/role/REVENUERECOGNITIONTables REVENUE RECOGNITION (Tables) Tables http://www.elliman.com/role/REVENUERECOGNITION 23 false false R24.htm 9954474 - Disclosure - CURRENT EXPECTED CREDIT LOSSES (Tables) Sheet http://www.elliman.com/role/CURRENTEXPECTEDCREDITLOSSESTables CURRENT EXPECTED CREDIT LOSSES (Tables) Tables http://www.elliman.com/role/CURRENTEXPECTEDCREDITLOSSES 24 false false R25.htm 9954475 - Disclosure - LEASES (Tables) Sheet http://www.elliman.com/role/LEASESTables LEASES (Tables) Tables http://www.elliman.com/role/LEASES 25 false false R26.htm 9954476 - Disclosure - LONG-TERM INVESTMENTS (Tables) Sheet http://www.elliman.com/role/LONGTERMINVESTMENTSTables LONG-TERM INVESTMENTS (Tables) Tables http://www.elliman.com/role/LONGTERMINVESTMENTS 26 false false R27.htm 9954477 - Disclosure - EQUITY METHOD INVESTMENTS (Tables) Sheet http://www.elliman.com/role/EQUITYMETHODINVESTMENTSTables EQUITY METHOD INVESTMENTS (Tables) Tables http://www.elliman.com/role/EQUITYMETHODINVESTMENTS 27 false false R28.htm 9954478 - Disclosure - INCOME TAXES (Tables) Sheet http://www.elliman.com/role/INCOMETAXESTables INCOME TAXES (Tables) Tables http://www.elliman.com/role/INCOMETAXES 28 false false R29.htm 9954479 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS (Tables) Sheet http://www.elliman.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSTables INVESTMENTS AND FAIR VALUE MEASUREMENTS (Tables) Tables http://www.elliman.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTS 29 false false R30.htm 9954480 - Disclosure - SEGMENT INFORMATION (Tables) Sheet http://www.elliman.com/role/SEGMENTINFORMATIONTables SEGMENT INFORMATION (Tables) Tables http://www.elliman.com/role/SEGMENTINFORMATION 30 false false R31.htm 9954481 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loss Per Share (???EPS???) (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESLossPerShareEPSDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loss Per Share (???EPS???) (Details) Details 31 false false R32.htm 9954482 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income for Purposes of Determining Basic and Diluted EPS (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNetIncomeforPurposesofDeterminingBasicandDilutedEPSDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income for Purposes of Determining Basic and Diluted EPS (Details) Details 32 false false R33.htm 9954483 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basic and Diluted Earnings Per Share (in shares) (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESBasicandDilutedEarningsPerShareinsharesDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basic and Diluted Earnings Per Share (in shares) (Details) Details 33 false false R34.htm 9954484 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESReconciliationofCashCashEquivalentsandRestrictedCashDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) Details 34 false false R35.htm 9954485 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Related Party Transactions (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRelatedPartyTransactionsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Related Party Transactions (Details) Details 35 false false R36.htm 9954486 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Investment and Other Gains (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleofInvestmentandOtherGainsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Investment and Other Gains (Details) Details 36 false false R37.htm 9954487 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Restructuring and Related Costs (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESScheduleofRestructuringandRelatedCostsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Restructuring and Related Costs (Details) Details 37 false false R38.htm 9954488 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Subsequent Events (Details) Sheet http://www.elliman.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESSubsequentEventsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Subsequent Events (Details) Details 38 false false R39.htm 9954489 - Disclosure - REVENUE RECOGNITION - Disaggregation of Revenue (Details) Sheet http://www.elliman.com/role/REVENUERECOGNITIONDisaggregationofRevenueDetails REVENUE RECOGNITION - Disaggregation of Revenue (Details) Details 39 false false R40.htm 9954490 - Disclosure - REVENUE RECOGNITION - Contract Balances (Details) Sheet http://www.elliman.com/role/REVENUERECOGNITIONContractBalancesDetails REVENUE RECOGNITION - Contract Balances (Details) Details 40 false false R41.htm 9954491 - Disclosure - REVENUE RECOGNITION - Narrative (Details) Sheet http://www.elliman.com/role/REVENUERECOGNITIONNarrativeDetails REVENUE RECOGNITION - Narrative (Details) Details 41 false false R42.htm 9954492 - Disclosure - CURRENT EXPECTED CREDIT LOSSES - Narrative (Details) Sheet http://www.elliman.com/role/CURRENTEXPECTEDCREDITLOSSESNarrativeDetails CURRENT EXPECTED CREDIT LOSSES - Narrative (Details) Details 42 false false R43.htm 9954493 - Disclosure - CURRENT EXPECTED CREDIT LOSSES - Rollforward (Details) Sheet http://www.elliman.com/role/CURRENTEXPECTEDCREDITLOSSESRollforwardDetails CURRENT EXPECTED CREDIT LOSSES - Rollforward (Details) Details 43 false false R44.htm 9954494 - Disclosure - LEASES - Lease Expense and Cash Outflows from Operating Leases (Details) Sheet http://www.elliman.com/role/LEASESLeaseExpenseandCashOutflowsfromOperatingLeasesDetails LEASES - Lease Expense and Cash Outflows from Operating Leases (Details) Details 44 false false R45.htm 9954495 - Disclosure - LEASES - Supplemental Balance Sheet Information (Details) Sheet http://www.elliman.com/role/LEASESSupplementalBalanceSheetInformationDetails LEASES - Supplemental Balance Sheet Information (Details) Details 45 false false R46.htm 9954496 - Disclosure - LEASES - Maturities of Operating Lease Liabilities (Details) Sheet http://www.elliman.com/role/LEASESMaturitiesofOperatingLeaseLiabilitiesDetails LEASES - Maturities of Operating Lease Liabilities (Details) Details 46 false false R47.htm 9954497 - Disclosure - LEASES - Narrative (Details) Sheet http://www.elliman.com/role/LEASESNarrativeDetails LEASES - Narrative (Details) Details 47 false false R48.htm 9954498 - Disclosure - LONG-TERM INVESTMENTS - Components of Investment Securities (Details) Sheet http://www.elliman.com/role/LONGTERMINVESTMENTSComponentsofInvestmentSecuritiesDetails LONG-TERM INVESTMENTS - Components of Investment Securities (Details) Details 48 false false R49.htm 9954499 - Disclosure - LONG-TERM INVESTMENTS - Summary of Net Realized and Unrealized Gains (losses) (Details) Sheet http://www.elliman.com/role/LONGTERMINVESTMENTSSummaryofNetRealizedandUnrealizedGainslossesDetails LONG-TERM INVESTMENTS - Summary of Net Realized and Unrealized Gains (losses) (Details) Details 49 false false R50.htm 9954500 - Disclosure - LONG-TERM INVESTMENTS - Schedule of Unrealized and Realized Gains (Losses) (Details) Sheet http://www.elliman.com/role/LONGTERMINVESTMENTSScheduleofUnrealizedandRealizedGainsLossesDetails LONG-TERM INVESTMENTS - Schedule of Unrealized and Realized Gains (Losses) (Details) Details 50 false false R51.htm 9954501 - Disclosure - LONG-TERM INVESTMENTS - Narrative (Details) Sheet http://www.elliman.com/role/LONGTERMINVESTMENTSNarrativeDetails LONG-TERM INVESTMENTS - Narrative (Details) Details 51 false false R52.htm 9954502 - Disclosure - EQUITY METHOD INVESTMENTS - Schedule of Equity Method Investments (Details) Sheet http://www.elliman.com/role/EQUITYMETHODINVESTMENTSScheduleofEquityMethodInvestmentsDetails EQUITY METHOD INVESTMENTS - Schedule of Equity Method Investments (Details) Details 52 false false R53.htm 9954503 - Disclosure - EQUITY METHOD INVESTMENTS - Narrative (Details) Sheet http://www.elliman.com/role/EQUITYMETHODINVESTMENTSNarrativeDetails EQUITY METHOD INVESTMENTS - Narrative (Details) Details 53 false false R54.htm 9954504 - Disclosure - CONTINGENCIES (Details) Sheet http://www.elliman.com/role/CONTINGENCIESDetails CONTINGENCIES (Details) Details http://www.elliman.com/role/CONTINGENCIES 54 false false R55.htm 9954505 - Disclosure - INCOME TAXES (Details) Sheet http://www.elliman.com/role/INCOMETAXESDetails INCOME TAXES (Details) Details http://www.elliman.com/role/INCOMETAXESTables 55 false false R56.htm 9954506 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Subject to Fair Value Measurements (Details) Sheet http://www.elliman.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofFinancialAssetsandLiabilitiesSubjecttoFairValueMeasurementsDetails INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Subject to Fair Value Measurements (Details) Details 56 false false R57.htm 9954507 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Unobservable Inputs Related to the Valuations of the Level 3 Liabilities (Details) Sheet http://www.elliman.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSScheduleofUnobservableInputsRelatedtotheValuationsoftheLevel3LiabilitiesDetails INVESTMENTS AND FAIR VALUE MEASUREMENTS - Schedule of Unobservable Inputs Related to the Valuations of the Level 3 Liabilities (Details) Details 57 false false R58.htm 9954508 - Disclosure - SEGMENT INFORMATION (Details) Sheet http://www.elliman.com/role/SEGMENTINFORMATIONDetails SEGMENT INFORMATION (Details) Details http://www.elliman.com/role/SEGMENTINFORMATIONTables 58 false false R59.htm 9954509 - Disclosure - ESCROW FUNDS IN HOLDING (Details) Sheet http://www.elliman.com/role/ESCROWFUNDSINHOLDINGDetails ESCROW FUNDS IN HOLDING (Details) Details http://www.elliman.com/role/ESCROWFUNDSINHOLDING 59 false false All Reports Book All Reports doug-20240630.htm doug-20240630.xsd doug-20240630_cal.xml doug-20240630_def.xml doug-20240630_lab.xml doug-20240630_pre.xml http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 true true