XML 101 R86.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Note 14 - Income Tax - Gross Operating Loss Carryforwards (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] |  |
Gross net operating loss carry forward | $ 16,249 | $ 30,904
Gross net operating loss not recognized | 27 | 24
Net operating loss carry foward | 16,222 | 30,880
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] | Capital Loss Carryforward [Member] |  |
Gross capital loss carry forward | 2,208 | 1,881
Gross capital loss not recognized | 1,869 | 1,567
Net capital loss carry forward | 339 | 314
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |
Gross net operating loss carry forward | 1,315 | 47,720
Gross net operating loss not recognized | 921 | 915
Net operating loss carry foward | 394 | 46,805
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Capital Loss Carryforward [Member] |  |
Gross capital loss carry forward | 1,698 | 1,671
Gross capital loss not recognized | 1,698 | 1,671
Net capital loss carry forward |  |
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member] |  |
Gross net operating loss carry forward | 39,147 | 50,512
Gross net operating loss not recognized | 27,363 | 30,705
Net operating loss carry foward | 11,784 | 19,807
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member] | Capital Loss Carryforward [Member] |  |
Gross capital loss carry forward | 6,285 | 7,139
Gross capital loss not recognized | 6,285 | 7,139
Net capital loss carry forward |  |

X
- Definition The gross amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | cigi_OperatingLossCarryforwardsGross
Namespace Prefix: | cigi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The unrecognized amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | cigi_OperatingLossCarryforwardsUnrecognized
Namespace Prefix: | cigi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The gross amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | cigi_TaxCreditCarryforwardsGross
Namespace Prefix: | cigi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The unrecognized amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | cigi_TaxCreditCarryforwardsUnrecognized
Namespace Prefix: | cigi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
Name: | us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_CanadaRevenueAgencyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxCreditCarryforwardAxis=us-gaap_CapitalLossCarryforwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_InternalRevenueServiceIRSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=cigi_OtherForeignTaxAuthoritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |