XML 115 R101.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Acquisitions and Divestitures - Summary of Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
May 01, 2023 | Sep. 01, 2022 | Jul. 13, 2022 | Dec. 31, 2024
Applied Energy Group, Inc. |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Net working capital |  |  |  | $ 4,049
Property and equipment |  |  |  | 55
Accrued expenses and other liabilities |  |  |  | 5,700
Goodwill |  |  |  | 30,200
Purchase price acquisition |  |  |  | 60,654
Applied Energy Group, Inc. | Customer-Related Intangibles |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  |  |  | 21,000
Applied Energy Group, Inc. | Developed Technology |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  |  |  | 5,000
Applied Energy Group, Inc. | Trade Names and Trademarks |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  |  |  | $ 350
CMY Solutions, LLC. |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Net working capital | $ 1,169 |  |  |
Goodwill | 21,366 |  |  |
Purchase price acquisition | 32,535 |  |  |
CMY Solutions, LLC. | Customer-Related Intangibles |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles | 9,900 |  |  |
CMY Solutions, LLC. | Trade Names and Trademarks |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles | $ 100 |  |  |
Blanton & Associates |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Net working capital |  | $ 4,604 |  |
Property and equipment |  | 159 |  |
Deferred tax liability |  | (3,023) |  |
Goodwill |  | 9,712 |  |
Purchase price acquisition |  | 22,897 |  |
Blanton & Associates | Customer-Related Intangibles |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  | 10,919 |  |
Blanton & Associates | Contract Backlog |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  | 466 |  |
Blanton & Associates | Trade Names and Trademarks |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  | $ 60 |  |
SemanticBits LLC |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Contract receivables, net |  |  | $ 12,699 |
Contract assets |  |  | 6,071 |
Other current and non-current assets |  |  | 407 |
Accrued salaries and benefits |  |  | (3,998) |
Accrued expenses and other liabilities |  |  | (6,244) |
Deferred tax liability |  |  | (16,701) |
Net assets acquired |  |  | 56,321 |
Goodwill |  |  | 159,677 |
Purchase price acquisition |  |  | 215,998 |
SemanticBits LLC | Customer-Related Intangibles |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  |  | 62,967 |
SemanticBits LLC | Trade Names and Trademarks |  |  |  |
Acquisition and Divestiture [Line Items] |  |  |  |
Purchase price allocated to intangibles |  |  | $ 1,120 |

X
- Definition Acquisition and divestiture. + References No definition available. + Details
Name: | icfi_AcquisitionAndDivestitureLineItems
Namespace Prefix: | icfi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed, accrued expenses and other liabilities. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed, accrued salaries and benefits. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedSalariesAndBenefits
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed contract assets. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractAssets
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed contract receivables net. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractReceivablesNet
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed, goodwill. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedGoodwill
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Other Current and Non-current Assets + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherCurrentAndNonCurrentAssets
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business combination, recognized identifiable assets acquired and liabilities assumed, working capital. + References No definition available. + Details
Name: | icfi_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital
Namespace Prefix: | icfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 8 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 30 -Paragraph 7 -SubTopic 30 -Topic 805 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479637/805-30-30-7 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479303/805-10-55-37 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=icfi_AppliedEnergyGroupIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=icfi_CMYSolutionsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=icfi_BlantonAndAssociatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=icfi_ContractBacklogMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=icfi_SemanticBitsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |