3.25.2 html 206 285 1 false 45 0 false 11 false false R1.htm 0000001 - Document - Cover Sheet http://smithdouglas.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - Condensed Consolidated Balance Sheets Sheet http://smithdouglas.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://smithdouglas.com/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - Condensed Consolidated Statements of Income Sheet http://smithdouglas.com/role/CondensedConsolidatedStatementsofIncome Condensed Consolidated Statements of Income Statements 4 false false R5.htm 9952154 - Statement - Condensed Consolidated Statements of Equity Sheet http://smithdouglas.com/role/CondensedConsolidatedStatementsofEquity Condensed Consolidated Statements of Equity Statements 5 false false R6.htm 9952155 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://smithdouglas.com/role/CondensedConsolidatedStatementsofCashFlows Condensed Consolidated Statements of Cash Flows Statements 6 false false R7.htm 9952156 - Disclosure - Description of business and summary of significant accounting policies Sheet http://smithdouglas.com/role/Descriptionofbusinessandsummaryofsignificantaccountingpolicies Description of business and summary of significant accounting policies Notes 7 false false R8.htm 9952157 - Disclosure - Real estate inventory and capitalized interest Sheet http://smithdouglas.com/role/Realestateinventoryandcapitalizedinterest Real estate inventory and capitalized interest Notes 8 false false R9.htm 9952158 - Disclosure - Variable interest entities Sheet http://smithdouglas.com/role/Variableinterestentities Variable interest entities Notes 9 false false R10.htm 9952159 - Disclosure - Investments in unconsolidated entities Sheet http://smithdouglas.com/role/Investmentsinunconsolidatedentities Investments in unconsolidated entities Notes 10 false false R11.htm 9952160 - Disclosure - Notes payable Notes http://smithdouglas.com/role/Notespayable Notes payable Notes 11 false false R12.htm 9952161 - Disclosure - Fair value of financial instruments Sheet http://smithdouglas.com/role/Fairvalueoffinancialinstruments Fair value of financial instruments Notes 12 false false R13.htm 9952162 - Disclosure - Warranty reserves Sheet http://smithdouglas.com/role/Warrantyreserves Warranty reserves Notes 13 false false R14.htm 9952163 - Disclosure - Leases Sheet http://smithdouglas.com/role/Leases Leases Notes 14 false false R15.htm 9952164 - Disclosure - Commitments and contingencies Sheet http://smithdouglas.com/role/Commitmentsandcontingencies Commitments and contingencies Notes 15 false false R16.htm 9952165 - Disclosure - Equity Sheet http://smithdouglas.com/role/Equity Equity Notes 16 false false R17.htm 9952166 - Disclosure - Share-based payments Sheet http://smithdouglas.com/role/Sharebasedpayments Share-based payments Notes 17 false false R18.htm 9952167 - Disclosure - Income taxes and tax receivable agreement Sheet http://smithdouglas.com/role/Incometaxesandtaxreceivableagreement Income taxes and tax receivable agreement Notes 18 false false R19.htm 9952168 - Disclosure - Transactions with related parties Sheet http://smithdouglas.com/role/Transactionswithrelatedparties Transactions with related parties Notes 19 false false R20.htm 9952169 - Disclosure - Segment information Sheet http://smithdouglas.com/role/Segmentinformation Segment information Notes 20 false false R21.htm 9952170 - Disclosure - Earnings per share Sheet http://smithdouglas.com/role/Earningspershare Earnings per share Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 9955511 - Disclosure - Description of business and summary of significant accounting policies (Policies) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesPolicies Description of business and summary of significant accounting policies (Policies) Policies 23 false false R24.htm 9955512 - Disclosure - Real estate inventory and capitalized interest (Tables) Sheet http://smithdouglas.com/role/RealestateinventoryandcapitalizedinterestTables Real estate inventory and capitalized interest (Tables) Tables http://smithdouglas.com/role/Realestateinventoryandcapitalizedinterest 24 false false R25.htm 9955513 - Disclosure - Variable interest entities (Tables) Sheet http://smithdouglas.com/role/VariableinterestentitiesTables Variable interest entities (Tables) Tables http://smithdouglas.com/role/Variableinterestentities 25 false false R26.htm 9955514 - Disclosure - Notes payable (Tables) Notes http://smithdouglas.com/role/NotespayableTables Notes payable (Tables) Tables http://smithdouglas.com/role/Notespayable 26 false false R27.htm 9955515 - Disclosure - Fair value of financial instruments (Tables) Sheet http://smithdouglas.com/role/FairvalueoffinancialinstrumentsTables Fair value of financial instruments (Tables) Tables http://smithdouglas.com/role/Fairvalueoffinancialinstruments 27 false false R28.htm 9955516 - Disclosure - Warranty reserves (Tables) Sheet http://smithdouglas.com/role/WarrantyreservesTables Warranty reserves (Tables) Tables http://smithdouglas.com/role/Warrantyreserves 28 false false R29.htm 9955517 - Disclosure - Leases (Tables) Sheet http://smithdouglas.com/role/LeasesTables Leases (Tables) Tables http://smithdouglas.com/role/Leases 29 false false R30.htm 9955518 - Disclosure - Equity (Tables) Sheet http://smithdouglas.com/role/EquityTables Equity (Tables) Tables http://smithdouglas.com/role/Equity 30 false false R31.htm 9955519 - Disclosure - Share-based payments (Tables) Sheet http://smithdouglas.com/role/SharebasedpaymentsTables Share-based payments (Tables) Tables http://smithdouglas.com/role/Sharebasedpayments 31 false false R32.htm 9955520 - Disclosure - Transactions with related parties (Tables) Sheet http://smithdouglas.com/role/TransactionswithrelatedpartiesTables Transactions with related parties (Tables) Tables http://smithdouglas.com/role/Transactionswithrelatedparties 32 false false R33.htm 9955521 - Disclosure - Segment information (Tables) Sheet http://smithdouglas.com/role/SegmentinformationTables Segment information (Tables) Tables http://smithdouglas.com/role/Segmentinformation 33 false false R34.htm 9955522 - Disclosure - Earnings per share (Tables) Sheet http://smithdouglas.com/role/EarningspershareTables Earnings per share (Tables) Tables http://smithdouglas.com/role/Earningspershare 34 false false R35.htm 9955523 - Disclosure - Description of business and summary of significant accounting policies - Initial Public Offering and Reorganization Transactions (Details) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesInitialPublicOfferingandReorganizationTransactionsDetails Description of business and summary of significant accounting policies - Initial Public Offering and Reorganization Transactions (Details) Details 35 false false R36.htm 9955524 - Disclosure - Description of business and summary of significant accounting policies - Principles of Consolidation and Non-Controlling Interest (Details) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesPrinciplesofConsolidationandNonControllingInterestDetails Description of business and summary of significant accounting policies - Principles of Consolidation and Non-Controlling Interest (Details) Details 36 false false R37.htm 9955525 - Disclosure - Description of business and summary of significant accounting policies - Real Estate Inventory (Details) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesRealEstateInventoryDetails Description of business and summary of significant accounting policies - Real Estate Inventory (Details) Details 37 false false R38.htm 9955526 - Disclosure - Description of business and summary of significant accounting policies - Revenue Recognition (Details) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesRevenueRecognitionDetails Description of business and summary of significant accounting policies - Revenue Recognition (Details) Details 38 false false R39.htm 9955527 - Disclosure - Description of business and summary of significant accounting policies - Income Taxes (Details) Sheet http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesIncomeTaxesDetails Description of business and summary of significant accounting policies - Income Taxes (Details) Details http://smithdouglas.com/role/DescriptionofbusinessandsummaryofsignificantaccountingpoliciesPolicies 39 false false R40.htm 9955528 - Disclosure - Real estate inventory and capitalized interest - Schedule of Real Estate Inventory (Details) Sheet http://smithdouglas.com/role/RealestateinventoryandcapitalizedinterestScheduleofRealEstateInventoryDetails Real estate inventory and capitalized interest - Schedule of Real Estate Inventory (Details) Details 40 false false R41.htm 9955529 - Disclosure - Real estate inventory and capitalized interest - Schedule of Capitalized Interest (Details) Sheet http://smithdouglas.com/role/RealestateinventoryandcapitalizedinterestScheduleofCapitalizedInterestDetails Real estate inventory and capitalized interest - Schedule of Capitalized Interest (Details) Details 41 false false R42.htm 9955530 - Disclosure - Variable interest entities - Schedule of Real Estate Properties (Details) Sheet http://smithdouglas.com/role/VariableinterestentitiesScheduleofRealEstatePropertiesDetails Variable interest entities - Schedule of Real Estate Properties (Details) Details 42 false false R43.htm 9955531 - Disclosure - Variable interest entities - Narrative (Details) Sheet http://smithdouglas.com/role/VariableinterestentitiesNarrativeDetails Variable interest entities - Narrative (Details) Details 43 false false R44.htm 9955532 - Disclosure - Investments in unconsolidated entities (Details) Sheet http://smithdouglas.com/role/InvestmentsinunconsolidatedentitiesDetails Investments in unconsolidated entities (Details) Details http://smithdouglas.com/role/Investmentsinunconsolidatedentities 44 false false R45.htm 9955533 - Disclosure - Notes payable - Narrative (Details) Notes http://smithdouglas.com/role/NotespayableNarrativeDetails Notes payable - Narrative (Details) Details 45 false false R46.htm 9955534 - Disclosure - Notes payable - Schedule of Future Maturities of Notes Payable to Third Parties (Details) Notes http://smithdouglas.com/role/NotespayableScheduleofFutureMaturitiesofNotesPayabletoThirdPartiesDetails Notes payable - Schedule of Future Maturities of Notes Payable to Third Parties (Details) Details 46 false false R47.htm 9955535 - Disclosure - Fair value of financial instruments (Details) Sheet http://smithdouglas.com/role/FairvalueoffinancialinstrumentsDetails Fair value of financial instruments (Details) Details http://smithdouglas.com/role/FairvalueoffinancialinstrumentsTables 47 false false R48.htm 9955536 - Disclosure - Warranty reserves (Details) Sheet http://smithdouglas.com/role/WarrantyreservesDetails Warranty reserves (Details) Details http://smithdouglas.com/role/WarrantyreservesTables 48 false false R49.htm 9955537 - Disclosure - Leases - Schedule of Lease Cost (Details) Sheet http://smithdouglas.com/role/LeasesScheduleofLeaseCostDetails Leases - Schedule of Lease Cost (Details) Details 49 false false R50.htm 9955538 - Disclosure - Leases - Schedule of Additional Information Related to Leases (Details) Sheet http://smithdouglas.com/role/LeasesScheduleofAdditionalInformationRelatedtoLeasesDetails Leases - Schedule of Additional Information Related to Leases (Details) Details 50 false false R51.htm 9955539 - Disclosure - Commitments and contingencies (Details) Sheet http://smithdouglas.com/role/CommitmentsandcontingenciesDetails Commitments and contingencies (Details) Details http://smithdouglas.com/role/Commitmentsandcontingencies 51 false false R52.htm 9955540 - Disclosure - Equity - Schedule of Capitalization and Voting Rights (Details) Sheet http://smithdouglas.com/role/EquityScheduleofCapitalizationandVotingRightsDetails Equity - Schedule of Capitalization and Voting Rights (Details) Details 52 false false R53.htm 9955541 - Disclosure - Equity - Schedule of Class A Common Stock Reserved for Issuances (Details) Sheet http://smithdouglas.com/role/EquityScheduleofClassACommonStockReservedforIssuancesDetails Equity - Schedule of Class A Common Stock Reserved for Issuances (Details) Details 53 false false R54.htm 9955542 - Disclosure - Equity - Narrative (Details) Sheet http://smithdouglas.com/role/EquityNarrativeDetails Equity - Narrative (Details) Details 54 false false R55.htm 9955543 - Disclosure - Share-based payments - Schedule of Information About Restricted Stock Units (RSUs) (Details) Sheet http://smithdouglas.com/role/SharebasedpaymentsScheduleofInformationAboutRestrictedStockUnitsRSUsDetails Share-based payments - Schedule of Information About Restricted Stock Units (RSUs) (Details) Details 55 false false R56.htm 9955544 - Disclosure - Share-based payments - Narrative (Details) Sheet http://smithdouglas.com/role/SharebasedpaymentsNarrativeDetails Share-based payments - Narrative (Details) Details 56 false false R57.htm 9955545 - Disclosure - Share-based payments - Schedule of the Activity of our PSUs (Details) Sheet http://smithdouglas.com/role/SharebasedpaymentsScheduleoftheActivityofourPSUsDetails Share-based payments - Schedule of the Activity of our PSUs (Details) Details 57 false false R58.htm 9955546 - Disclosure - Income taxes and tax receivable agreement (Details) Sheet http://smithdouglas.com/role/IncometaxesandtaxreceivableagreementDetails Income taxes and tax receivable agreement (Details) Details http://smithdouglas.com/role/Incometaxesandtaxreceivableagreement 58 false false R59.htm 9955547 - Disclosure - Transactions with related parties - Schedule of Related Party Lease Cost Included Selling, General and Administrative Costs (Details) Sheet http://smithdouglas.com/role/TransactionswithrelatedpartiesScheduleofRelatedPartyLeaseCostIncludedSellingGeneralandAdministrativeCostsDetails Transactions with related parties - Schedule of Related Party Lease Cost Included Selling, General and Administrative Costs (Details) Details 59 false false R60.htm 9955548 - Disclosure - Transactions with related parties - Narrative (Details) Sheet http://smithdouglas.com/role/TransactionswithrelatedpartiesNarrativeDetails Transactions with related parties - Narrative (Details) Details 60 false false R61.htm 9955549 - Disclosure - Segment information - Narrative (Details) Sheet http://smithdouglas.com/role/SegmentinformationNarrativeDetails Segment information - Narrative (Details) Details 61 false false R62.htm 9955550 - Disclosure - Segment information - Schedule of Financial Information By Segment (Details) Sheet http://smithdouglas.com/role/SegmentinformationScheduleofFinancialInformationBySegmentDetails Segment information - Schedule of Financial Information By Segment (Details) Details 62 false false R63.htm 9955551 - Disclosure - Earnings per share - Schedule of Earnings Per Share, Basic and Diluted (Details) Sheet http://smithdouglas.com/role/EarningspershareScheduleofEarningsPerShareBasicandDilutedDetails Earnings per share - Schedule of Earnings Per Share, Basic and Diluted (Details) Details 63 false false R64.htm 9955552 - Disclosure - Earnings per share - Narrative (Details) Sheet http://smithdouglas.com/role/EarningspershareNarrativeDetails Earnings per share - Narrative (Details) Details 64 false false All Reports Book All Reports sdhc-20250630.htm sdhc-20250630.xsd sdhc-20250630_cal.xml sdhc-20250630_def.xml sdhc-20250630_lab.xml sdhc-20250630_pre.xml http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true