3.22.2.2 html 299 315 1 true 49 0 false 9 false false R1.htm 0001001 - Document - Cover page Sheet http://www.costar.com/role/Coverpage Cover page Cover 1 false false R2.htm 1001002 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.costar.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 2 false false R3.htm 1002003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.costar.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 3 false false R4.htm 1003004 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.costar.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS CONDENSED CONSOLIDATED BALANCE SHEETS Statements 4 false false R5.htm 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS??? EQUITY Sheet http://www.costar.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS??? EQUITY Statements 5 false false R6.htm 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.costar.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 2101101 - Disclosure - ORGANIZATION Sheet http://www.costar.com/role/ORGANIZATION ORGANIZATION Notes 7 false false R8.htm 2103102 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 8 false false R9.htm 2116103 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERS REVENUE FROM CONTRACTS WITH CUSTOMERS Notes 9 false false R10.htm 2124104 - Disclosure - ALLOWANCE FOR CREDIT LOSSES Sheet http://www.costar.com/role/ALLOWANCEFORCREDITLOSSES ALLOWANCE FOR CREDIT LOSSES Notes 10 false false R11.htm 2127105 - Disclosure - ACQUISITIONS Sheet http://www.costar.com/role/ACQUISITIONS ACQUISITIONS Notes 11 false false R12.htm 2133106 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS Sheet http://www.costar.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTS INVESTMENTS AND FAIR VALUE MEASUREMENTS Notes 12 false false R13.htm 2135107 - Disclosure - LEASES Sheet http://www.costar.com/role/LEASES LEASES Notes 13 false false R14.htm 2141108 - Disclosure - GOODWILL Sheet http://www.costar.com/role/GOODWILL GOODWILL Notes 14 false false R15.htm 2145109 - Disclosure - INTANGIBLE ASSETS Sheet http://www.costar.com/role/INTANGIBLEASSETS INTANGIBLE ASSETS Notes 15 false false R16.htm 2148110 - Disclosure - LONG-TERM DEBT Sheet http://www.costar.com/role/LONGTERMDEBT LONG-TERM DEBT Notes 16 false false R17.htm 2153111 - Disclosure - INCOME TAXES Sheet http://www.costar.com/role/INCOMETAXES INCOME TAXES Notes 17 false false R18.htm 2155112 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.costar.com/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 18 false false R19.htm 2158113 - Disclosure - SEGMENT REPORTING Sheet http://www.costar.com/role/SEGMENTREPORTING SEGMENT REPORTING Notes 19 false false R20.htm 2164114 - Disclosure - STOCKHOLDERS' EQUITY Sheet http://www.costar.com/role/STOCKHOLDERSEQUITY STOCKHOLDERS' EQUITY Notes 20 false false R21.htm 2166115 - Disclosure - SUBSEQUENT EVENTS Sheet http://www.costar.com/role/SUBSEQUENTEVENTS SUBSEQUENT EVENTS Notes 21 false false R22.htm 2204201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 22 false false R23.htm 2305301 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 23 false false R24.htm 2317302 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) Tables http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERS 24 false false R25.htm 2325303 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Tables) Sheet http://www.costar.com/role/ALLOWANCEFORCREDITLOSSESTables ALLOWANCE FOR CREDIT LOSSES (Tables) Tables http://www.costar.com/role/ALLOWANCEFORCREDITLOSSES 25 false false R26.htm 2328304 - Disclosure - ACQUISITIONS (Tables) Sheet http://www.costar.com/role/ACQUISITIONSTables ACQUISITIONS (Tables) Tables http://www.costar.com/role/ACQUISITIONS 26 false false R27.htm 2336305 - Disclosure - LEASES (Tables) Sheet http://www.costar.com/role/LEASESTables LEASES (Tables) Tables http://www.costar.com/role/LEASES 27 false false R28.htm 2342306 - Disclosure - GOODWILL (Tables) Sheet http://www.costar.com/role/GOODWILLTables GOODWILL (Tables) Tables http://www.costar.com/role/GOODWILL 28 false false R29.htm 2346307 - Disclosure - INTANGIBLE ASSETS (Tables) Sheet http://www.costar.com/role/INTANGIBLEASSETSTables INTANGIBLE ASSETS (Tables) Tables http://www.costar.com/role/INTANGIBLEASSETS 29 false false R30.htm 2349308 - Disclosure - LONG-TERM DEBT (Tables) Sheet http://www.costar.com/role/LONGTERMDEBTTables LONG-TERM DEBT (Tables) Tables http://www.costar.com/role/LONGTERMDEBT 30 false false R31.htm 2356309 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) Sheet http://www.costar.com/role/COMMITMENTSANDCONTINGENCIESTables COMMITMENTS AND CONTINGENCIES (Tables) Tables http://www.costar.com/role/COMMITMENTSANDCONTINGENCIES 31 false false R32.htm 2359310 - Disclosure - SEGMENT REPORTING (Tables) Sheet http://www.costar.com/role/SEGMENTREPORTINGTables SEGMENT REPORTING (Tables) Tables http://www.costar.com/role/SEGMENTREPORTING 32 false false R33.htm 2402401 - Disclosure - ORGANIZATION (Details) Sheet http://www.costar.com/role/ORGANIZATIONDetails ORGANIZATION (Details) Details http://www.costar.com/role/ORGANIZATION 33 false false R34.htm 2406402 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Common Stock Split) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCommonStockSplitDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Common Stock Split) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 34 false false R35.htm 2407403 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Revenue Recognition) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Revenue Recognition) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 35 false false R36.htm 2408404 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation and Accumulated Other Comprehensive Loss) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESForeignCurrencyTranslationandAccumulatedOtherComprehensiveLossDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Foreign Currency Translation and Accumulated Other Comprehensive Loss) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 36 false false R37.htm 2409405 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Advertising Costs) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESAdvertisingCostsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Advertising Costs) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 37 false false R38.htm 2410406 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Net Income Per Share) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESNetIncomePerShareDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Net Income Per Share) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 38 false false R39.htm 2411407 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Anti-dilutive Shares) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESAntidilutiveSharesDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Anti-dilutive Shares) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 39 false false R40.htm 2412408 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-Based Compensation) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESStockBasedCompensationDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock-Based Compensation) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 40 false false R41.htm 2413409 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Cash, Cash Equivalents and Restricted Cash Narrative) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESCashCashEquivalentsandRestrictedCashNarrativeDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Cash, Cash Equivalents and Restricted Cash Narrative) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 41 false false R42.htm 2414410 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Credit Losses) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESAllowanceforCreditLossesDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Credit Losses) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 42 false false R43.htm 2415411 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recent Accounting Pronouncements) (Details) Sheet http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESRecentAccountingPronouncementsDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Recent Accounting Pronouncements) (Details) Details http://www.costar.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 43 false false R44.htm 2418412 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Disaggregated Revenue) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSDisaggregatedRevenueDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Disaggregated Revenue) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 44 false false R45.htm 2419413 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets and Liabilities) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSContractAssetsandLiabilitiesDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets and Liabilities) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 45 false false R46.htm 2420414 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSContractAssetsDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 46 false false R47.htm 2421415 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSNarrativeDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 47 false false R48.htm 2422416 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Commissions) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSCommissionsDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Commissions) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 48 false false R49.htm 2423417 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Unsatisfied Performance Obligations) (Details) Sheet http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSUnsatisfiedPerformanceObligationsDetails REVENUE FROM CONTRACTS WITH CUSTOMERS (Unsatisfied Performance Obligations) (Details) Details http://www.costar.com/role/REVENUEFROMCONTRACTSWITHCUSTOMERSTables 49 false false R50.htm 2426418 - Disclosure - ALLOWANCE FOR CREDIT LOSSES (Details) Sheet http://www.costar.com/role/ALLOWANCEFORCREDITLOSSESDetails ALLOWANCE FOR CREDIT LOSSES (Details) Details http://www.costar.com/role/ALLOWANCEFORCREDITLOSSESTables 50 false false R51.htm 2429419 - Disclosure - ACQUISITIONS (Narrative) (Details) Sheet http://www.costar.com/role/ACQUISITIONSNarrativeDetails ACQUISITIONS (Narrative) (Details) Details http://www.costar.com/role/ACQUISITIONSTables 51 false false R52.htm 2430420 - Disclosure - ACQUISITIONS (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) Sheet http://www.costar.com/role/ACQUISITIONSScheduleofRecognizedIdentifiedAssetsAcquiredandLiabilitiesAssumedDetails ACQUISITIONS (Schedule of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) Details http://www.costar.com/role/ACQUISITIONSTables 52 false false R53.htm 2431421 - Disclosure - ACQUISITIONS (Intangible Assets Acquired) (Details) Sheet http://www.costar.com/role/ACQUISITIONSIntangibleAssetsAcquiredDetails ACQUISITIONS (Intangible Assets Acquired) (Details) Details http://www.costar.com/role/ACQUISITIONSTables 53 false false R54.htm 2432422 - Disclosure - ACQUISITIONS (Business Acquisition, Pro Forma Information) (Details) Sheet http://www.costar.com/role/ACQUISITIONSBusinessAcquisitionProFormaInformationDetails ACQUISITIONS (Business Acquisition, Pro Forma Information) (Details) Details http://www.costar.com/role/ACQUISITIONSTables 54 false false R55.htm 2434423 - Disclosure - INVESTMENTS AND FAIR VALUE MEASUREMENTS (Details) Sheet http://www.costar.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTSDetails INVESTMENTS AND FAIR VALUE MEASUREMENTS (Details) Details http://www.costar.com/role/INVESTMENTSANDFAIRVALUEMEASUREMENTS 55 false false R56.htm 2437424 - Disclosure - LEASES (Narrative) (Details) Sheet http://www.costar.com/role/LEASESNarrativeDetails LEASES (Narrative) (Details) Details http://www.costar.com/role/LEASESTables 56 false false R57.htm 2438425 - Disclosure - LEASES (Lease Cost) (Details) Sheet http://www.costar.com/role/LEASESLeaseCostDetails LEASES (Lease Cost) (Details) Details http://www.costar.com/role/LEASESTables 57 false false R58.htm 2439426 - Disclosure - LEASES (Supplemental Balance Sheet Information Related to Leases) (Details) Sheet http://www.costar.com/role/LEASESSupplementalBalanceSheetInformationRelatedtoLeasesDetails LEASES (Supplemental Balance Sheet Information Related to Leases) (Details) Details http://www.costar.com/role/LEASESTables 58 false false R59.htm 2440427 - Disclosure - LEASES (Supplemental Cash Flow Information Related to Leases) (Details) Sheet http://www.costar.com/role/LEASESSupplementalCashFlowInformationRelatedtoLeasesDetails LEASES (Supplemental Cash Flow Information Related to Leases) (Details) Details http://www.costar.com/role/LEASESTables 59 false false R60.htm 2443428 - Disclosure - GOODWILL (Goodwill by Segment) (Details) Sheet http://www.costar.com/role/GOODWILLGoodwillbySegmentDetails GOODWILL (Goodwill by Segment) (Details) Details http://www.costar.com/role/GOODWILLTables 60 false false R61.htm 2444429 - Disclosure - GOODWILL (Narrative) (Details) Sheet http://www.costar.com/role/GOODWILLNarrativeDetails GOODWILL (Narrative) (Details) Details http://www.costar.com/role/GOODWILLTables 61 false false R62.htm 2447430 - Disclosure - INTANGIBLE ASSETS (Details) Sheet http://www.costar.com/role/INTANGIBLEASSETSDetails INTANGIBLE ASSETS (Details) Details http://www.costar.com/role/INTANGIBLEASSETSTables 62 false false R63.htm 2450431 - Disclosure - LONG-TERM DEBT (Schedule of Debt) (Details) Sheet http://www.costar.com/role/LONGTERMDEBTScheduleofDebtDetails LONG-TERM DEBT (Schedule of Debt) (Details) Details http://www.costar.com/role/LONGTERMDEBTTables 63 false false R64.htm 2451432 - Disclosure - LONG-TERM DEBT (Narrative) (Details) Sheet http://www.costar.com/role/LONGTERMDEBTNarrativeDetails LONG-TERM DEBT (Narrative) (Details) Details http://www.costar.com/role/LONGTERMDEBTTables 64 false false R65.htm 2452433 - Disclosure - LONG-TERM DEBT (Interest) (Details) Sheet http://www.costar.com/role/LONGTERMDEBTInterestDetails LONG-TERM DEBT (Interest) (Details) Details http://www.costar.com/role/LONGTERMDEBTTables 65 false false R66.htm 2454434 - Disclosure - INCOME TAXES (Details) Sheet http://www.costar.com/role/INCOMETAXESDetails INCOME TAXES (Details) Details http://www.costar.com/role/INCOMETAXES 66 false false R67.htm 2457435 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.costar.com/role/COMMITMENTSANDCONTINGENCIESDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.costar.com/role/COMMITMENTSANDCONTINGENCIESTables 67 false false R68.htm 2460436 - Disclosure - SEGMENT REPORTING (Narrative) (Details) Sheet http://www.costar.com/role/SEGMENTREPORTINGNarrativeDetails SEGMENT REPORTING (Narrative) (Details) Details http://www.costar.com/role/SEGMENTREPORTINGTables 68 false false R69.htm 2461437 - Disclosure - SEGMENT REPORTING (EBITDA) (Details) Sheet http://www.costar.com/role/SEGMENTREPORTINGEBITDADetails SEGMENT REPORTING (EBITDA) (Details) Details http://www.costar.com/role/SEGMENTREPORTINGTables 69 false false R70.htm 2462438 - Disclosure - SEGMENT REPORTING (Reconciliation of Net Income (Loss) to EBITDA) (Details) Sheet http://www.costar.com/role/SEGMENTREPORTINGReconciliationofNetIncomeLosstoEBITDADetails SEGMENT REPORTING (Reconciliation of Net Income (Loss) to EBITDA) (Details) Details http://www.costar.com/role/SEGMENTREPORTINGTables 70 false false R71.htm 2463439 - Disclosure - SEGMENT REPORTING (Summarized Information) (Details) Sheet http://www.costar.com/role/SEGMENTREPORTINGSummarizedInformationDetails SEGMENT REPORTING (Summarized Information) (Details) Details http://www.costar.com/role/SEGMENTREPORTINGTables 71 false false R72.htm 2465440 - Disclosure - STOCKHOLDERS' EQUITY (Details) Sheet http://www.costar.com/role/STOCKHOLDERSEQUITYDetails STOCKHOLDERS' EQUITY (Details) Details http://www.costar.com/role/STOCKHOLDERSEQUITY 72 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 2 fact(s) appearing in ix:hidden were eligible for transformation: us-gaap:ContractWithCustomerLiabilityRevenueRecognized - csgp-20220930.htm 4 csgp-20220930.htm csgp-093022xex311.htm csgp-093022xex312.htm csgp-093022xex321.htm csgp-093022xex322.htm csgp-20220930.xsd csgp-20220930_cal.xml csgp-20220930_def.xml csgp-20220930_lab.xml csgp-20220930_pre.xml csgp-20220930_g1.jpg http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 true true