XML 81 R65.htm IDEA: XBRL DOCUMENT
v3.24.0.1

LEASES (Narrative) (Details) | Dec. 31, 2023
--- | ---
Maximum |
Lessee, Lease, Description [Line Items] |
Term of contract | 8 years

X
- Definition Lessee, Operating Lease and Finance Lease, Term of Contract + References No definition available. + Details
Name: | csgp_LesseeOperatingLeaseAndFinanceLeaseTermOfContract
Namespace Prefix: | csgp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |