XML 143 R125.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 26 - Commitments and Contingencies (Details Textual) - Loss Sharing Obligations [Member] - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Unpaid Principal Balance of Funded and Sold Loans Subject to Loss Sharing Obligations | $ 4,547,000 |
Other Liabilities [Member] |  |
Loss Contingency Accrual, Ending Balance | $ 14,470 | $ 15,807

X
- Definition The amount of unpaid principal balance of funded and sold loans subject to loss sharing obligations. + References No definition available. + Details
Name: | cigi_UnpaidPrincipalBalanceOfFundedAndSoldLoansSubjectToLossSharingObligations
Namespace Prefix: | cigi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=cigi_LossSharingObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |