Document And Entity Information
Document And Entity Information | Jun. 25, 2019 |
Document Information [Line Items] | |
EntityRegistrantName | ICF International, Inc. |
DocumentType | 8-K |
DocumentPeriodEndDate | Jun. 25, 2019 |
EntityIncorporationStateCountryCode | DE |
EntityFileNumber | 001-33045 |
EntityTaxIdentificationNumber | 22-3661438 |
EntityAddressAddressLine1 | 9300 Lee Highway |
EntityAddressCityOrTown | Fairfax |
EntityAddressStateOrProvince | VA |
EntityAddressPostalZipCode | 22031 |
CityAreaCode | 703 |
LocalPhoneNumber | 934-3000 |
Security12bTitle | Common Stock |
TradingSymbol | ICFI |
SecurityExchangeName | NASDAQ |
WrittenCommunications | false |
SolicitingMaterial | false |
PreCommencementTenderOffer | false |
PreCommencementIssuerTenderOffer | false |
AmendmentFlag | false |
EntityCentralIndexKey | 0001362004 |
EntityEmergingGrowthCompany | false |