{ "instance": { "nvee-2019x09x28x10q.htm": { "axisCustom": 0, "axisStandard": 24, "contextCount": 329, "dts": { "calculationLink": { "local": [ "nvee-20190928_cal.xml" ] }, "definitionLink": { "local": [ "nvee-20190928_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml" ] }, "inline": { "local": [ "nvee-2019x09x28x10q.htm" ] }, "labelLink": { "local": [ "nvee-20190928_lab.xml" ], "remote": [ "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml" ] }, "presentationLink": { "local": [ "nvee-20190928_pre.xml" ] }, "referenceLink": { "remote": [ "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml" ] }, "schema": { "local": [ "nvee-20190928.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd", "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd", "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd" ] } }, "elementCount": 522, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 29, "http://xbrl.sec.gov/dei/2019-01-31": 5, "total": 34 }, "keyCustom": 38, "keyStandard": 352, "memberCustom": 46, "memberStandard": 28, "nsprefix": "nvee", "nsuri": "http://www.nv5.com/20190928", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - Cover Page", "role": "http://www.nv5.com/role/CoverPage", "shortName": "Cover Page", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2104100 - Disclosure - Earnings Per Share", "role": "http://www.nv5.com/role/EarningsPerShare", "shortName": "Earnings Per Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessCombinationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - Business Acquisitions", "role": "http://www.nv5.com/role/BusinessAcquisitions", "shortName": "Business Acquisitions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessCombinationDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2106100 - Disclosure - Billed and Unbilled Receivables", "role": "http://www.nv5.com/role/BilledAndUnbilledReceivables", "shortName": "Billed and Unbilled Receivables", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2107100 - Disclosure - Property and Equipment, net", "role": "http://www.nv5.com/role/PropertyAndEquipmentNet", "shortName": "Property and Equipment, net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2108100 - Disclosure - Goodwill and Intangible Assets", "role": "http://www.nv5.com/role/GoodwillAndIntangibleAssets", "shortName": "Goodwill and Intangible Assets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:AccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2109100 - Disclosure - Accrued Liabilities", "role": "http://www.nv5.com/role/AccruedLiabilities", "shortName": "Accrued Liabilities", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:AccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2110100 - Disclosure - Notes Payable and Other Obligations", "role": "http://www.nv5.com/role/NotesPayableAndOtherObligations", "shortName": "Notes Payable and Other Obligations", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LossContingencyDisclosures", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - Contingent Consideration", "role": "http://www.nv5.com/role/ContingentConsideration", "shortName": "Contingent Consideration", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LossContingencyDisclosures", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - Commitments and Contingencies", "role": "http://www.nv5.com/role/CommitmentsAndContingencies", "shortName": "Commitments and Contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2113100 - Disclosure - Stock-Based Compensation", "role": "http://www.nv5.com/role/StockBasedCompensation", "shortName": "Stock-Based Compensation", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001000 - Statement - Consolidated Balance Sheets (Unaudited)", "role": "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "shortName": "Consolidated Balance Sheets (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2114100 - Disclosure - Income Taxes", "role": "http://www.nv5.com/role/IncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - Reportable Segments", "role": "http://www.nv5.com/role/ReportableSegments", "shortName": "Reportable Segments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2116100 - Disclosure - Leases", "role": "http://www.nv5.com/role/Leases", "shortName": "Leases", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeOperatingLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2117100 - Disclosure - Subsequent Events (Notes)", "role": "http://www.nv5.com/role/SubsequentEventsNotes", "shortName": "Subsequent Events (Notes)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2202201 - Disclosure - Summary of Significant Accounting Policies (Policies)", "role": "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesPolicies", "shortName": "Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:ServicesProvidedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2301301 - Disclosure - Organization and Nature of Business Operations (Tables)", "role": "http://www.nv5.com/role/OrganizationAndNatureOfBusinessOperationsTables", "shortName": "Organization and Nature of Business Operations (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:ServicesProvidedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2304301 - Disclosure - Earnings Per Share (Tables)", "role": "http://www.nv5.com/role/EarningsPerShareTables", "shortName": "Earnings Per Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305301 - Disclosure - Business Acquisitions (Tables)", "role": "http://www.nv5.com/role/BusinessAcquisitionsTables", "shortName": "Business Acquisitions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2306301 - Disclosure - Billed and Unbilled Receivables (Tables)", "role": "http://www.nv5.com/role/BilledAndUnbilledReceivablesTables", "shortName": "Billed and Unbilled Receivables (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2307301 - Disclosure - Property and Equipment, net (Tables)", "role": "http://www.nv5.com/role/PropertyAndEquipmentNetTables", "shortName": "Property and Equipment, net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1001501 - Statement - Consolidated Balance Sheets (Unaudited) (Parentheticals)", "role": "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals", "shortName": "Consolidated Balance Sheets (Unaudited) (Parentheticals)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R30": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2308301 - Disclosure - Goodwill and Intangible Assets (Tables)", "role": "http://www.nv5.com/role/GoodwillAndIntangibleAssetsTables", "shortName": "Goodwill and Intangible Assets (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2309301 - Disclosure - Accrued Liabilities (Tables)", "role": "http://www.nv5.com/role/AccruedLiabilitiesTables", "shortName": "Accrued Liabilities (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2310301 - Disclosure - Notes Payable and Other Obligations (Tables)", "role": "http://www.nv5.com/role/NotesPayableAndOtherObligationsTables", "shortName": "Notes Payable and Other Obligations (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2311301 - Disclosure - Contingent Consideration (Tables)", "role": "http://www.nv5.com/role/ContingentConsiderationTables", "shortName": "Contingent Consideration (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2313301 - Disclosure - Stock-Based Compensation (Tables)", "role": "http://www.nv5.com/role/StockBasedCompensationTables", "shortName": "Stock-Based Compensation (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2315301 - Disclosure - Reportable Segments (Tables)", "role": "http://www.nv5.com/role/ReportableSegmentsTables", "shortName": "Reportable Segments (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2316301 - Disclosure - Leases (Tables)", "role": "http://www.nv5.com/role/LeasesTables", "shortName": "Leases (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "nvee:BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "nvee:OperatingAndFinanceLeasesRightOfUseAssets", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402402 - Disclosure - Summary of Significant Accounting Policies - Leases (Details)", "role": "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails", "shortName": "Summary of Significant Accounting Policies - Leases (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "I2019Q1Dec30_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201602Member", "decimals": "-3", "lang": null, "name": "nvee:OperatingAndFinanceLeasesRightOfUseAssets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueRemainingPerformanceObligation", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402403 - Disclosure - Summary of Significant Accounting Policies - Revenue Recognition (Details)", "role": "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails", "shortName": "Summary of Significant Accounting Policies - Revenue Recognition (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "lang": null, "name": "us-gaap:ContractWithCustomerLiabilityRevenueRecognized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404402 - Disclosure - Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)", "role": "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails", "shortName": "Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "0", "lang": null, "name": "us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - Consolidated Statements of Net Income and Comprehensive Income (Unaudited)", "role": "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "shortName": "Consolidated Statements of Net Income and Comprehensive Income (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "lang": null, "name": "us-gaap:CostDirectLabor", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404403 - Disclosure - Earnings Per Share - Narrative (Details)", "role": "http://www.nv5.com/role/EarningsPerShareNarrativeDetails", "shortName": "Earnings Per Share - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationConsiderationTransferred1", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405402 - Disclosure - Business Acquisitions - Narrative (Details)", "role": "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "shortName": "Business Acquisitions - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "D2019Q3Jul02_us-gaap_BusinessAcquisitionAxis_nvee_WHPacificInc.Member", "decimals": "-3", "lang": null, "name": "us-gaap:BusinessCombinationConsiderationTransferred1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405403 - Disclosure - Business Acquisitions - Summary of the fair values of assets acquired and liabilities assumed (Details)", "role": "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "shortName": "Business Acquisitions - Summary of the fair values of assets acquired and liabilities assumed (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:BusinessAcquisitionProFormaInformationResultsOfOperationsOfAcquireeSinceAcquisitionActualTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405404 - Disclosure - Business Acquisitions - Results of operations from any business acquired (Details)", "role": "http://www.nv5.com/role/BusinessAcquisitionsResultsOfOperationsFromAnyBusinessAcquiredDetails", "shortName": "Business Acquisitions - Results of operations from any business acquired (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:BusinessAcquisitionProFormaInformationResultsOfOperationsOfAcquireeSinceAcquisitionActualTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionsProFormaRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405405 - Disclosure - Business Acquisitions - Pro forma consolidated results of operations (Details)", "role": "http://www.nv5.com/role/BusinessAcquisitionsProFormaConsolidatedResultsOfOperationsDetails", "shortName": "Business Acquisitions - Pro forma consolidated results of operations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionsProFormaRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccountsReceivableGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406402 - Disclosure - Billed and Unbilled Receivables (Details)", "role": "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails", "shortName": "Billed and Unbilled Receivables (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccountsReceivableGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Depreciation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407402 - Disclosure - Property and Equipment, net - Narrative (Details)", "role": "http://www.nv5.com/role/PropertyAndEquipmentNetNarrativeDetails", "shortName": "Property and Equipment, net - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Depreciation", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:PropertyPlantAndEquipmentTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407403 - Disclosure - Property and Equipment, net (Details)", "role": "http://www.nv5.com/role/PropertyAndEquipmentNetDetails", "shortName": "Property and Equipment, net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:PropertyPlantAndEquipmentTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408402 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill (Details)", "role": "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails", "shortName": "Goodwill and Intangible Assets - Schedule of Goodwill (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "lang": null, "name": "us-gaap:GoodwillAcquiredDuringPeriod", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408403 - Disclosure - Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)", "role": "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails", "shortName": "Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - Consolidated Statements of Cash Flows (Unaudited)", "role": "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited", "shortName": "Consolidated Statements of Cash Flows (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "lang": null, "name": "nvee:NetChangeInOperatingLeases", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408404 - Disclosure - Goodwill and Intangible Assets (Details)", "role": "http://www.nv5.com/role/GoodwillAndIntangibleAssetsDetails", "shortName": "Goodwill and Intangible Assets (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R51": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseLiabilityCurrent", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409402 - Disclosure - Accrued Liabilities (Details)", "role": "http://www.nv5.com/role/AccruedLiabilitiesDetails", "shortName": "Accrued Liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "lang": null, "name": "us-gaap:AccruedVacationCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410402 - Disclosure - Notes Payable and Other Obligations - Summary of notes payable and other obligations (Details)", "role": "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails", "shortName": "Notes Payable and Other Obligations - Summary of notes payable and other obligations (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410403 - Disclosure - Notes Payable and Other Obligations - Narrative (Details)", "role": "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "shortName": "Notes Payable and Other Obligations - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3_us-gaap_BusinessAcquisitionAxis_nvee_GeoDesignInc.Member", "decimals": "-3", "lang": null, "name": "us-gaap:OtherLiabilities", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationContingentConsiderationLiability", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411402 - Disclosure - Contingent Consideration (Details)", "role": "http://www.nv5.com/role/ContingentConsiderationDetails", "shortName": "Contingent Consideration (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "lang": null, "name": "nvee:BusinessCombinationContingentConsiderationLiabilityAdditionsForAcquisitions", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413402 - Disclosure - Stock-Based Compensation - Restricted Stock Awards (Details)", "role": "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails", "shortName": "Stock-Based Compensation - Restricted Stock Awards (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413403 - Disclosure - Stock-Based Compensation - Narrative (Details)", "role": "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "shortName": "Stock-Based Compensation - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AllocatedShareBasedCompensationExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredIncomeTaxLiabilitiesNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414401 - Disclosure - Income Taxes (Details)", "role": "http://www.nv5.com/role/IncomeTaxesDetails", "shortName": "Income Taxes (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "3", "lang": null, "name": "us-gaap:EffectiveIncomeTaxRateContinuingOperations", "reportCount": 1, "unique": true, "unitRef": "number", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "operating_segments", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415402 - Disclosure - Reportable Segments - Narrative (Details)", "role": "http://www.nv5.com/role/ReportableSegmentsNarrativeDetails", "shortName": "Reportable Segments - Narrative (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfOperatingSegments", "reportCount": 1, "unique": true, "unitRef": "operating_segments", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415403 - Disclosure - Reportable Segments - Summarized Financial Information (Details)", "role": "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails", "shortName": "Reportable Segments - Summarized Financial Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_srt_ConsolidationItemsAxis_us-gaap_OperatingSegmentsMember_us-gaap_StatementBusinessSegmentsAxis_nvee_INFMember", "decimals": "-3", "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:SharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Unaudited)", "role": "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "shortName": "Consolidated Statements of Changes in Stockholders' Equity (Unaudited)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:SharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415404 - Disclosure - Reportable Segments - Revenue from contracts with customers by geographic location (Details)", "role": "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "shortName": "Reportable Segments - Revenue from contracts with customers by geographic location (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_srt_StatementGeographicalAxis_country_US", "decimals": "-3", "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415405 - Disclosure - Reportable Segments - Revenue by Customer Type (Details)", "role": "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "shortName": "Reportable Segments - Revenue by Customer Type (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_srt_MajorCustomersAxis_nvee_PublicAndQuasipublicSectorMember", "decimals": "-3", "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415406 - Disclosure - Reportable Segments - Revenue by Contract Type (Details)", "role": "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "shortName": "Reportable Segments - Revenue by Contract Type (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD_us-gaap_ContractWithCustomerBasisOfPricingAxis_nvee_CostreimbursableContractsMember", "decimals": "-3", "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseRightOfUseAsset", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416402 - Disclosure - Leases - Schedule of supplemental balance sheet information (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails", "shortName": "Leases - Schedule of supplemental balance sheet information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "nvee:BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "lang": null, "name": "nvee:OperatingLeaseRightofuseAssetAccumulatedAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416403 - Disclosure - Leases - Schedule of lease cost (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails", "shortName": "Leases - Schedule of lease cost (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3QTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LeaseCost", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416404 - Disclosure - Leases - Schedule of maturities of lease liabilities (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails", "shortName": "Leases - Schedule of maturities of lease liabilities (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:LeaseTermAndDiscountRateTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416405 - Disclosure - Leases - Schedule of lease term and discount rate (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails", "shortName": "Leases - Schedule of lease term and discount rate (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:LeaseTermAndDiscountRateTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2019Q3", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:LeasesSupplementalCashFlowInformationTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasePayments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416406 - Disclosure - Leases - Schedule of supplemental cash flow information (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails", "shortName": "Leases - Schedule of supplemental cash flow information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "nvee:LeasesSupplementalCashFlowInformationTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasePayments", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416407 - Disclosure - Leases - Schedule of future minimum rental payments for operating leases (Details)", "role": "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails", "shortName": "Leases - Schedule of future minimum rental payments for operating leases (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FI2018Q4", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "I2019Q4Dec20_srt_StatementScenarioAxis_srt_ScenarioForecastMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "-6", "first": true, "lang": null, "name": "nvee:TotalObligationsUnderMerger", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417401 - Disclosure - Subsequent Events (Details)", "role": "http://www.nv5.com/role/SubsequentEventsDetails", "shortName": "Subsequent Events (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "ix:continuation", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "I2019Q4Dec20_srt_StatementScenarioAxis_srt_ScenarioForecastMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember", "decimals": "-6", "first": true, "lang": null, "name": "nvee:TotalObligationsUnderMerger", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - Organization and Nature of Business Operations", "role": "http://www.nv5.com/role/OrganizationAndNatureOfBusinessOperations", "shortName": "Organization and Nature of Business Operations", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - Summary of Significant Accounting Policies", "role": "http://www.nv5.com/role/SummaryOfSignificantAccountingPolicies", "shortName": "Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103100 - Disclosure - Recent Accounting Pronouncements", "role": "http://www.nv5.com/role/RecentAccountingPronouncements", "shortName": "Recent Accounting Pronouncements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "body", "html" ], "baseRef": "nvee-2019x09x28x10q.htm", "contextRef": "FD2019Q3YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 75, "tag": { "country_US": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "UNITED STATES", "terseLabel": "United States" } } }, "localname": "US", "nsuri": "http://xbrl.sec.gov/country/2017-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cover page.", "label": "Cover page." } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "dateItemType" }, "dei_DocumentQuarterlyReport": { "auth_ref": [ "r308" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an quarterly report.", "label": "Document Quarterly Report", "terseLabel": "Document Quarterly Report" } } }, "localname": "DocumentQuarterlyReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r309" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two", "terseLabel": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r311" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r310" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "employerIdItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r306" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.nv5.com/role/CoverPage" ], "xbrltype": "tradingSymbolItemType" }, "nvee_AccruedLiabilities1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the balance sheet line item Accrued Liabilities.", "label": "Accrued Liabilities [Member]", "terseLabel": "Accrued liabilities" } } }, "localname": "AccruedLiabilities1Member", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_AccruedLiabilitiesDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for accrued liabilities.", "label": "Accrued Liabilities Disclosure [Text Block]", "terseLabel": "Accrued Liabilities" } } }, "localname": "AccruedLiabilitiesDisclosureTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/AccruedLiabilities" ], "xbrltype": "textBlockItemType" }, "nvee_AccruedPayrollAndPayrollTaxesCurrent": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for payroll and statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Payroll and related taxes", "terseLabel": "Payroll and related taxes" } } }, "localname": "AccruedPayrollAndPayrollTaxesCurrent", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "nvee_AcquisitionOfTheSextantGroupMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information pertaining to the acquisition of The Sextant Group, Inc., a national leading provider of audiovisual, information and communications technology, acoustics consulting, and design services headquartered in Pittsburgh, PA.", "label": "Acquisition of The Sextant Group [Member]", "verboseLabel": "Acquisition of The Sextant Group" } } }, "localname": "AcquisitionOfTheSextantGroupMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_AdjustmentsToAdditionalPaidInCapitalExerciseOfWarrants": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Changes in additional paid in capital related to exercise of warrants.", "label": "Proceeds from exercise of warrants, net of costs", "terseLabel": "Proceeds from exercise of warrants, net of costs" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalExerciseOfWarrants", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_AltaEnvironmentalL.P.Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Alta Environmental, L.P. [Member]", "label": "Alta Environmental, L.P. [Member]", "terseLabel": "Alta Environmental, L.P." } } }, "localname": "AltaEnvironmentalL.P.Member", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_BTSMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the operating and reportable segment Buildings, Energy & Science (BES), which includes energy and environmental practices as well as buildings program management.", "label": "BTS [Member]", "terseLabel": "BTS" } } }, "localname": "BTSMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the balance sheet classification of leased assets and liabilities under operating and finance leases.", "label": "Balance Sheet Classification of Operating and Finance Leases [Table Text Block]", "terseLabel": "Schedule of supplemental balance sheet information" } } }, "localname": "BalanceSheetClassificationOfOperatingAndFinanceLeasesTableTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "nvee_BankOfAmericaNAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the entity of Bank of America, N.A.", "label": "Bank of America, N.A. [Member]", "terseLabel": "Bank of America, N.A." } } }, "localname": "BankOfAmericaNAMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "nvee_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the basis of presentation and principles of consolidation for the company.", "label": "Basis of Presentation and Principles of Consolidation [Policy Text Block]", "terseLabel": "Basis of Presentation and Principles of Consolidation" } } }, "localname": "BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "nvee_BusinessAcquisitionProFormaInformationResultsOfOperationsOfAcquireeSinceAcquisitionActualTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pro forma information related to the actual results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate of the acquiree since the acquisition date included in the consolidated statements of operations for the reporting period.", "label": "Business Acquisition, Pro Forma Information, Results of Operations of Acquiree Since Acquisition, Actual [Table Text Block]", "terseLabel": "Results of operations from any business acquired" } } }, "localname": "BusinessAcquisitionProFormaInformationResultsOfOperationsOfAcquireeSinceAcquisitionActualTableTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "nvee_BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuableNumberOfEqualInstallments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of equal installment payments required for cash and equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "nvee_BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuableNumberOfEqualInstallments", "terseLabel": "Number of equal installments" } } }, "localname": "BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuableNumberOfEqualInstallments", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "integerItemType" }, "nvee_BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuablePeriodicPayments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the required periodic payments of cash and equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "nvee_BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuablePeriodicPayments", "terseLabel": "Periodic payments" } } }, "localname": "BusinessCombinationConsiderationTransferredCashAndEquityInterestsIssuedAndIssuablePeriodicPayments", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfEqualInstallments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of equal installment payments required for equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "nvee_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfEqualInstallments", "terseLabel": "Number of equal installments" } } }, "localname": "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableNumberOfEqualInstallments", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "nvee_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuablePeriodicPayments": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the required periodic payments of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "nvee_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuablePeriodicPayments", "terseLabel": "Periodic payments" } } }, "localname": "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuablePeriodicPayments", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationConsiderationTransferredLiabilitiesIncurredNumberOfEqualInstallments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of equal installment payments required for liabilities incurred by the acquirer as part of consideration transferred in a business combination.", "label": "nvee_BusinessCombinationConsiderationTransferredLiabilitiesIncurredNumberOfEqualInstallments", "verboseLabel": "Number of installments" } } }, "localname": "BusinessCombinationConsiderationTransferredLiabilitiesIncurredNumberOfEqualInstallments", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "integerItemType" }, "nvee_BusinessCombinationContingentConsiderationLiabilityAdditionsForAcquisitions": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the additions for acquisitions during the period effecting a change in the contingent consideration liability.", "label": "Additions for acquisitions", "terseLabel": "Additions for acquisitions" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityAdditionsForAcquisitions", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationContingentConsiderationLiabilityIncreaseReductionOfLiabilityRelatedToRemeasurementOfFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of increase (reduction) of the contingent consideration liability during the period related to re-measurement of fair value.", "label": "Increase of liability related to re-measurement of fair value", "terseLabel": "Increase of liability related to re-measurement of fair value" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityIncreaseReductionOfLiabilityRelatedToRemeasurementOfFairValue", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationContingentConsiderationLiabilityInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate for liability recognized arising from contingent consideration in a business combination.", "label": "nvee_BusinessCombinationContingentConsiderationLiabilityInterestRate", "terseLabel": "Liability interest rate" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityInterestRate", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "percentItemType" }, "nvee_BusinessCombinationContingentConsiderationLiabilityReductionOfLiabilityForPaymentsMade": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of reduction of liability for payments made, effecting a change in the contingent consideration liability during the period.", "label": "nvee_BusinessCombinationContingentConsiderationLiabilityReductionOfLiabilityForPaymentsMade", "negatedLabel": "Reduction of liability for payments made" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityReductionOfLiabilityForPaymentsMade", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationProFormaInformationIncomeBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This element represents the amount of income before income taxes of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.", "label": "nvee_BusinessCombinationProFormaInformationIncomeBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual", "terseLabel": "Income before income taxes" } } }, "localname": "BusinessCombinationProFormaInformationIncomeBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsResultsOfOperationsFromAnyBusinessAcquiredDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpenses": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 4.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, acquired at the acquisition date.", "label": "Prepaid expenses", "terseLabel": "Prepaid expenses" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpenses", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "nvee_BusinessCombinationWorkingCapitalAdjustmentReductionOfPurchasePriceConsiderationTransferred": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Working Capital,Adjustment, Reduction Of Purchase Price, Consideration Transferred", "label": "Business Combination, Working Capital,Adjustment, Reduction Of Purchase Price, Consideration Transferred", "terseLabel": "Working capital adjustment reduction of purchase price" } } }, "localname": "BusinessCombinationWorkingCapitalAdjustmentReductionOfPurchasePriceConsiderationTransferred", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "nvee_ButskoUtilityDesignIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information about Butsko Utility Design, Inc. which is a leading provider of utility planning and design services serving both public and private sector clients through its offices in Southern California and Washington.", "label": "Butsko Utility Design, Inc. [Member]", "verboseLabel": "Butsko Utility Design, Inc." } } }, "localname": "ButskoUtilityDesignIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CALYXEngineersAndConsultantsIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Related to the entity CALYX Engineers and Consultants Inc.", "label": "CALYX Engineers and Consultants Inc. [Member]", "verboseLabel": "CALYX Engineers and Consultants Inc." } } }, "localname": "CALYXEngineersAndConsultantsIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CHIEngineeringIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Related to the entity CHI Engineering Inc.", "label": "CHI Engineering Inc. [Member]", "terseLabel": "CHI Engineering Inc.", "verboseLabel": "CHI Engineering Inc." } } }, "localname": "CHIEngineeringIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "domainItemType" }, "nvee_CSAMELTDMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information about CSA (M&E) Ltd. (\u201cCSA\u201d), a leading provider of Mechanical, Electrical, and Plumbing (MEP) engineering and sustainability consulting services.", "label": "CSA (M&E) Ltd. [Member]", "verboseLabel": "CSA (M&E) Ltd." } } }, "localname": "CSAMELTDMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CapitalLeasesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A borrowing recorded for a lease meeting the criteria for capitalization.", "label": "Capital Leases [Member]", "terseLabel": "Capital leases" } } }, "localname": "CapitalLeasesMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "domainItemType" }, "nvee_CashPayableWithin120DaysMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Related to cash payable within 120 days.", "label": "Cash Payable Within 120 Days [Member]", "verboseLabel": "Cash Payable Within 120 Days" } } }, "localname": "CashPayableWithin120DaysMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CelticEnergyIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information about acquisition of Celtic Energy, Inc.", "label": "Celtic Energy, Inc [Member]", "verboseLabel": "Celtic Energy, Inc" } } }, "localname": "CelticEnergyIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CivilSourceIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the name of the business acquired, CivilSource, Inc.", "label": "CivilSource, Inc. [Member]", "terseLabel": "CivilSource, Inc." } } }, "localname": "CivilSourceIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_CommitmentsandContingenciesDisclosureRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commitments and Contingencies Disclosure [Roll Forward]", "label": "Commitments and Contingencies Disclosure [Roll Forward]", "terseLabel": "Commitments and Contingencies Disclosure [Roll Forward]" } } }, "localname": "CommitmentsandContingenciesDisclosureRollForward", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "stringItemType" }, "nvee_ConsiderationTransferredCashNotesAndCommonStock": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationConsiderationTransferred1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This item represents cash and common stock transferred plus the liabilities assumed on the sale date.", "label": "Consideration paid (Cash, Notes and/or stock)", "terseLabel": "Consideration paid (Cash, Notes and/or stock)" } } }, "localname": "ConsiderationTransferredCashNotesAndCommonStock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "nvee_ContingentConsiderationEarnOutNonCash": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Contingent Consideration Earn-Out, Non-Cash", "label": "Contingent Consideration Earn-Out, Non-Cash", "terseLabel": "Contingent consideration (earn-out)" } } }, "localname": "ContingentConsiderationEarnOutNonCash", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_CostOfSubConsultantServices": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_DirectOperatingCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cost of sub-consultant services.", "label": "Sub-consultant services", "terseLabel": "Sub-consultant services" } } }, "localname": "CostOfSubConsultantServices", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_CostreimbursableContractsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Contract with customer in which amount of contract may be cost-reimbursable.", "label": "Cost-Reimbursable Contracts [Member]", "terseLabel": "Cost-reimbursable contracts" } } }, "localname": "CostreimbursableContractsMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails" ], "xbrltype": "domainItemType" }, "nvee_CurrentPortionOfNotesPayableAndOtherObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the balance sheet line item Current Portion of Notes Payable and Other Obligations.", "label": "Current Portion of Notes Payable and Other Obligations [Member]", "terseLabel": "Current portion of notes payable and other obligations" } } }, "localname": "CurrentPortionOfNotesPayableAndOtherObligationsMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_DadeMoellerMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents Dade Moeller.", "label": "Dade Moeller [Member]", "terseLabel": "Dade Moeller" } } }, "localname": "DadeMoellerMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_DepreciationAndAmortizationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the income statement line item Depreciation and Amortization.", "label": "Depreciation and Amortization [Member]", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortizationMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "domainItemType" }, "nvee_EquityPlan2011Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the 2011 equity incentive plan.", "label": "Equity Plan 2011 [Member]", "terseLabel": "Equity Plan 2011" } } }, "localname": "EquityPlan2011Member", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_FacilitiesAndFacilitiesRelatedMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the income statement line item Facilities and Facilities Related.", "label": "Facilities and Facilities Related [Member]", "terseLabel": "Facilities and facilities related" } } }, "localname": "FacilitiesAndFacilitiesRelatedMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "domainItemType" }, "nvee_FinanceLeaseRightofuseAssetAccumulatedAmortization": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of accumulated amortization which reduces the balance of lessee's right to use underlying asset under finance lease.", "label": "nvee_FinanceLeaseRightofuseAssetAccumulatedAmortization", "terseLabel": "Financing right of-use lease assets" } } }, "localname": "FinanceLeaseRightofuseAssetAccumulatedAmortization", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "nvee_GeoDesignInc.Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "GeoDesign, Inc. [Member]", "label": "GeoDesign, Inc. [Member]", "terseLabel": "GeoDesign, Inc." } } }, "localname": "GeoDesignInc.Member", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_HoldregeKullConsultingEngineersAndGeologistsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the acquired entity of Holdrege & Kull, Consulting Engineers and Geologists (\"H&K\").", "label": "Holdrege & Kull, Consulting Engineers and Geologists [Member]", "terseLabel": "Holdrege & Kull, Consulting Engineers and Geologists" } } }, "localname": "HoldregeKullConsultingEngineersAndGeologistsMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_INFMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the operating and reportable segment Infrastructure (INF), which includes engineering, civil program management, and construction quality assurance practices.", "label": "INF [Member]", "terseLabel": "INF" } } }, "localname": "INFMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_IncreaseDecreaseInContractWithCustomerFromUnbilledReceivables": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period of the amount of unbilled receivables from contracts with customers for work performed for which billing has not occurred, net of uncollectible accounts.", "label": "nvee_IncreaseDecreaseInContractWithCustomerFromUnbilledReceivables", "negatedLabel": "Unbilled receivables" } } }, "localname": "IncreaseDecreaseInContractWithCustomerFromUnbilledReceivables", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_JBAConsultingEngineersIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents JBA Consulting Engineers, Inc., a Las Vegas, Nevada-based MEP engineering, acoustics, technology, and fire protection consulting firm.", "label": "JBA Consulting Engineers, Inc. [Member]", "terseLabel": "JBA Consulting Engineers, Inc." } } }, "localname": "JBAConsultingEngineersIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_JoslinLesserAndAssociatesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the entity acquired.", "label": "Joslin Lesser and Associates [Member]", "terseLabel": "Joslin Lesser and Associates" } } }, "localname": "JoslinLesserAndAssociatesMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_LaborAndRelatedExpenseExcludingStockBasedCompensation": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Labor And Related Expense Excluding Stock Based Compensation", "label": "Salaries and wages, payroll taxes and benefits", "terseLabel": "Salaries and wages, payroll taxes and benefits" } } }, "localname": "LaborAndRelatedExpenseExcludingStockBasedCompensation", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_LeaseTermAndDiscountRateTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the lease term and discount rate under operating and finance leases.", "label": "Lease Term and Discount Rate [Table Text Block]", "terseLabel": "Schedule of lease term and discount rate" } } }, "localname": "LeaseTermAndDiscountRateTableTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "nvee_LeasesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Leases [Line Items]", "label": "Leases [Line Items]", "verboseLabel": "Leases" } } }, "localname": "LeasesLineItems", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "nvee_LeasesSupplementalCashFlowInformationTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of supplemental cash flow information related to operating and finance leases.", "label": "Leases, Supplemental Cash Flow Information [Table Text Block]", "terseLabel": "Schedule of supplemental cash flow information" } } }, "localname": "LeasesSupplementalCashFlowInformationTableTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "nvee_LineOfCreditFacilityAdditionalMaximumBorrowingCapacity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The additional maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "nvee_LineOfCreditFacilityAdditionalMaximumBorrowingCapacity", "terseLabel": "Senior credit facility additional maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityAdditionalMaximumBorrowingCapacity", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "nvee_LineOfCreditFacilityMaximumLeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The maximum level of leverage ratio under the line of credit facility.", "label": "nvee_LineOfCreditFacilityMaximumLeverageRatio", "terseLabel": "Senior credit facility maximum leverage ratio" } } }, "localname": "LineOfCreditFacilityMaximumLeverageRatio", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "pureItemType" }, "nvee_LineOfCreditFacilityMinimumFixedChargeCoverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The minimum level of fixed charge coverage ratio under the line of credit facility.", "label": "nvee_LineOfCreditFacilityMinimumFixedChargeCoverageRatio", "terseLabel": "Senior credit facility minimum fixed charge coverage ratio" } } }, "localname": "LineOfCreditFacilityMinimumFixedChargeCoverageRatio", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "pureItemType" }, "nvee_LochraneEngineeringIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the acquired entity of Lochrane Engineering, Inc.", "label": "Lochrane Engineering, Inc. [Member]", "terseLabel": "Lochrane Engineering, Inc." } } }, "localname": "LochraneEngineeringIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_LongtermLeaseLiabilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the line item Long-term Lease Liability.", "label": "Long-term Lease Liability [Member]", "terseLabel": "Long-term lease liability" } } }, "localname": "LongtermLeaseLiabilityMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_MarronAndAssociatesIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents Marron and Associates, Inc., a leading environmental services firm with offices in Albuquerque and Las Cruces, New Mexico.", "label": "Marron and Associates, Inc. [Member]", "terseLabel": "Marron and Associates, Inc." } } }, "localname": "MarronAndAssociatesIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_NetChangeInOperatingLeases": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of net increase (decrease) in right-of-use assets and operating lease liabilities during the period.", "label": "Non-cash lease expense", "terseLabel": "Non-cash lease expense" } } }, "localname": "NetChangeInOperatingLeases", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_NotesPayableAndOtherObligationsLessCurrentPortionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the balance sheet line item Notes Payable and Other Obligations, Less Current Portion.", "label": "Notes Payable and Other Obligations, Less Current Portion [Member]", "terseLabel": "Notes payable and other obligations, less current portion" } } }, "localname": "NotesPayableAndOtherObligationsLessCurrentPortionMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_OperatingAndFinanceLeasesLiability": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating and finance leases.", "label": "Total lease liabilities", "terseLabel": "Total lease liabilities", "totalLabel": "Total lease liabilities" } } }, "localname": "OperatingAndFinanceLeasesLiability", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails", "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "monetaryItemType" }, "nvee_OperatingAndFinanceLeasesRightOfUseAssets": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying assets under operating and finance leases.", "label": "Total leased assets", "terseLabel": "Total lease assets", "totalLabel": "Total leased assets" } } }, "localname": "OperatingAndFinanceLeasesRightOfUseAssets", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails", "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "monetaryItemType" }, "nvee_OperatingLeaseRightofuseAssetAccumulatedAmortization": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the amount of accumulated amortization which reduces the balance of lessee's right to use underlying asset under operating lease.", "label": "nvee_OperatingLeaseRightofuseAssetAccumulatedAmortization", "terseLabel": "Operating right of-use lease assets" } } }, "localname": "OperatingLeaseRightofuseAssetAccumulatedAmortization", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "nvee_OtherDirectCosts": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 3.0, "parentTag": "us-gaap_DirectOperatingCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other cost of labor directly related to good produced and service rendered.", "label": "Other direct costs", "terseLabel": "Other direct costs" } } }, "localname": "OtherDirectCosts", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "nvee_PageOneConsultantsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Page One Consultants [Member]", "label": "Page One Consultants [Member]", "terseLabel": "Page One Consultants" } } }, "localname": "PageOneConsultantsMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_PrivateSectorMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information related to the private sector.", "label": "Private Sector [Member]", "terseLabel": "Private sector" } } }, "localname": "PrivateSectorMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails" ], "xbrltype": "domainItemType" }, "nvee_PropertyAndEquipmentNetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the balance sheet line item Property and Equipment, Net.", "label": "Property and Equipment, Net [Member]", "terseLabel": "Property and equipment, net" } } }, "localname": "PropertyAndEquipmentNetMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_PublicAndQuasipublicSectorMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information related to the public and quasi public sector.", "label": "Public and Quasi-Public Sector [Member]", "terseLabel": "Public and quasi-public sector" } } }, "localname": "PublicAndQuasipublicSectorMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails" ], "xbrltype": "domainItemType" }, "nvee_RBAGroupIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entity RBA Group, Inc.", "label": "RBA Group Inc. [Member]", "terseLabel": "RBA Group Inc." } } }, "localname": "RBAGroupIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_RateOfIncreaseDecreaseInSharesAuthorizedForIssuance": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Rate Of Increase Decrease In Shares Authorized For Issuance", "label": "nvee_RateOfIncreaseDecreaseInSharesAuthorizedForIssuance", "terseLabel": "Rate of increase decrease in shares authorized for issuance" } } }, "localname": "RateOfIncreaseDecreaseInSharesAuthorizedForIssuance", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "percentItemType" }, "nvee_RichardDKimballCoIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the acquired entity of Richard D. Kimball Co., Inc (\"RDk\").", "label": "Richard D. Kimball Co., Inc. [Member]", "terseLabel": "Richard D. Kimball Co., Inc." } } }, "localname": "RichardDKimballCoIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_RightOfUseAssetNetMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents information included in the balance sheet line item Right-of-use Asset, Net.", "label": "Right-of-use Asset, Net [Member]", "terseLabel": "Right-of-use lease asset, net" } } }, "localname": "RightOfUseAssetNetMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "nvee_RightofuseAssetsObtainedinExchangeforLeaseObligationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Right-of-use assets obtained in exchange for lease obligations [Abstract]", "label": "Right-of-use Assets Obtained in Exchange for Lease Obligations [Abstract]", "terseLabel": "Right-of-use assets obtained in exchange for lease obligations" } } }, "localname": "RightofuseAssetsObtainedinExchangeforLeaseObligationsAbstract", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails" ], "xbrltype": "stringItemType" }, "nvee_SeniorCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the senior credit facility debt instrument.", "label": "Senior Credit Facility [Member]", "terseLabel": "Senior Credit Facility" } } }, "localname": "SeniorCreditFacilityMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "nvee_ServicesProvidedTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Services Provided [Table Text Block]", "label": "Services Provided [Table Text Block]", "verboseLabel": "Schedule of services provided" } } }, "localname": "ServicesProvidedTableTextBlock", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/OrganizationAndNatureOfBusinessOperationsTables" ], "xbrltype": "textBlockItemType" }, "nvee_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedWeightedAverageGrantDateFairValueRollForwardRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] [Roll Forward]", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] [Roll Forward]", "verboseLabel": "Weighted Average Grant Date Fair Value" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsNonvestedWeightedAverageGrantDateFairValueRollForwardRollForward", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "nvee_StockIssuedDuringPeriodSharesExerciseOfWarrants": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued during the period pursuant to the exercise of warrants.", "label": "Proceeds from exercise of warrants, net of costs (in shares)", "terseLabel": "Proceeds from exercise of warrants, net of costs (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesExerciseOfWarrants", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "sharesItemType" }, "nvee_StockPayableMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the stock payable.", "label": "Stock Payable [Member]", "terseLabel": "Other obligations" } } }, "localname": "StockPayableMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "domainItemType" }, "nvee_SurveyAndFieldEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the property and equipment that are classified as survey and field equipment.", "label": "Survey and Field Equipment [Member]", "terseLabel": "Survey and field equipment" } } }, "localname": "SurveyAndFieldEquipmentMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "nvee_SwinglineLoansMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A large loan that a company may take out in order to repay other debts. A swingline loan is much like a line of credit or a demand loan, but differs in that it must be used to repay outstanding debt.", "label": "Swingline Loans [Member]", "terseLabel": "Swingline Loans" } } }, "localname": "SwinglineLoansMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_TermLoanTrancheMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Term Loan Tranche [Member]", "label": "Term Loan Tranche [Member]", "terseLabel": "Term loan tranche" } } }, "localname": "TermLoanTrancheMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "nvee_TheHannaGroupIncMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the name of the business acquired, The Hanna Group, Inc.", "label": "The Hanna Group, Inc. [Member]", "terseLabel": "The Hanna Group, Inc." } } }, "localname": "TheHannaGroupIncMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_TotalObligationsUnderMerger": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total Obligations Under Merger", "label": "Total Obligations Under Merger", "terseLabel": "Payments for merger related costs" } } }, "localname": "TotalObligationsUnderMerger", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "nvee_UncollateralizedPromissoryNoteMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A written promise to pay a note to a third party with no attached collateral.", "label": "Uncollateralized Promissory Note [Member]", "verboseLabel": "Uncollateralized promissory notes" } } }, "localname": "UncollateralizedPromissoryNoteMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "domainItemType" }, "nvee_UnderwriterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents the underwriter.", "label": "Underwriter [Member]", "terseLabel": "Underwriter" } } }, "localname": "UnderwriterMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_UnitWarrantMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents Unit Warrants.", "label": "Unit Warrant [Member]", "terseLabel": "Unit warrant" } } }, "localname": "UnitWarrantMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_WHPacificInc.Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "WHPacific, Inc. [Member]", "label": "WHPacific, Inc. [Member]", "terseLabel": "WHPacific, Inc." } } }, "localname": "WHPacificInc.Member", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "nvee_WeightedAverageCommonSharesOutstandingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "", "label": "Weighted average common shares outstanding:", "terseLabel": "Weighted average common shares outstanding:" } } }, "localname": "WeightedAverageCommonSharesOutstandingAbstract", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "stringItemType" }, "nvee_WeightedAverageDiscountRateAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted Average Discount Rate [Abstract]", "label": "Weighted Average Discount Rate [Abstract]", "terseLabel": "Weighted - Average Discount Rate" } } }, "localname": "WeightedAverageDiscountRateAbstract", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "stringItemType" }, "nvee_WeightedAverageRemainingLeaseTermAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted Average Remaining Lease Term [Abstract]", "label": "Weighted Average Remaining Lease Term [Abstract]", "terseLabel": "Weighted - Average Remaining Lease Term (Years)" } } }, "localname": "WeightedAverageRemainingLeaseTermAbstract", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "stringItemType" }, "nvee_WeirEnvironmentalLLCMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Represents Weir Environmental LLC, a New Orleans, Louisiana-based emergency remediation and environmental assessment firm. Weir also provides residential and commercial property loss consulting services.", "label": "Weir Environmental LLC [Member]", "terseLabel": "Weir Environmental LLC" } } }, "localname": "WeirEnvironmentalLLCMember", "nsuri": "http://www.nv5.com/20190928", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ConsolidationItemsAxis": { "auth_ref": [ "r100", "r106" ], "lang": { "en-US": { "role": { "label": "Consolidation Items [Axis]", "terseLabel": "Consolidation Items [Axis]" } } }, "localname": "ConsolidationItemsAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidationItemsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Consolidation Items [Domain]", "terseLabel": "Consolidation Items [Domain]" } } }, "localname": "ConsolidationItemsDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [ "r41", "r73" ], "lang": { "en-US": { "role": { "label": "Counterparty Name [Axis]", "terseLabel": "Counterparty Name [Axis]" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_MajorCustomersAxis": { "auth_ref": [ "r111", "r169", "r173", "r302" ], "lang": { "en-US": { "role": { "label": "Customer [Axis]", "terseLabel": "Customer [Axis]" } } }, "localname": "MajorCustomersAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails", "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails", "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_NameOfMajorCustomerDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Customer [Domain]", "terseLabel": "Customer [Domain]" } } }, "localname": "NameOfMajorCustomerDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails", "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails", "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Counterparty Name [Domain]", "terseLabel": "Counterparty Name [Domain]" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Forecast [Member]", "terseLabel": "Forecast" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScheduleOfCondensedFinancialStatementsTable": { "auth_ref": [ "r80", "r239" ], "lang": { "en-US": { "role": { "label": "Condensed Financial Statements [Table]", "terseLabel": "Condensed Financial Statements [Table]" } } }, "localname": "ScheduleOfCondensedFinancialStatementsTable", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r110", "r169", "r172", "r301", "r304", "r305" ], "lang": { "en-US": { "role": { "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r148", "r273" ], "lang": { "en-US": { "role": { "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201602Member": { "auth_ref": [ "r254" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842).", "label": "Accounting Standards Update 2016-02 [Member]", "terseLabel": "Accounting Standards Update 2016-02" } } }, "localname": "AccountingStandardsUpdate201602Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r29" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Current", "terseLabel": "Accounts payable" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableGross": { "auth_ref": [ "r113" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": 1.0, "parentTag": "us-gaap_AccountsReceivableNetCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.", "label": "Accounts Receivable, before Allowance for Credit Loss", "terseLabel": "Billed receivables" } } }, "localname": "AccountsReceivableGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r2", "r15", "r113", "r114", "r170" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, after Allowance for Credit Loss, Current", "terseLabel": "Billed receivables, net", "totalLabel": "Billed receivables, net" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails", "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedEmployeeBenefitsCurrent": { "auth_ref": [ "r5", "r6", "r33" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Employee Benefits, Current", "terseLabel": "Benefits" } } }, "localname": "AccruedEmployeeBenefitsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r33" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Liabilities, Current", "terseLabel": "Accrued liabilities", "totalLabel": "Total" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails", "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedProfessionalFeesCurrent": { "auth_ref": [ "r5", "r6", "r33" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 7.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Professional Fees, Current", "terseLabel": "Professional liability reserve" } } }, "localname": "AccruedProfessionalFeesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedVacationCurrent": { "auth_ref": [ "r5", "r33", "r176" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for unused vacation time owed to employees based on the entity's vacation benefit given to its employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Vacation, Current", "terseLabel": "Accrued vacation" } } }, "localname": "AccruedVacationCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r26", "r139" ], "calculation": { "http://www.nv5.com/role/PropertyAndEquipmentNetDetails": { "order": 2.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedLabel": "Accumulated depreciation" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Acquired Finite-Lived Intangible Assets [Line Items]", "terseLabel": "Acquired Finite-Lived Intangible Assets [Line Items]" } } }, "localname": "AcquiredFiniteLivedIntangibleAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdditionalPaidInCapital": { "auth_ref": [ "r16" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.", "label": "Additional Paid in Capital", "terseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapital", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "Additional Paid-In Capital" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r82" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]", "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r177", "r179", "r195", "r196" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.", "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition", "terseLabel": "Stock compensation" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net income to net cash provided by operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r179", "r191", "r194" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-based Payment Arrangement, Expense", "terseLabel": "Deferred compensation" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "auth_ref": [ "r21", "r115", "r118" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": 2.0, "parentTag": "us-gaap_AccountsReceivableNetCurrent", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "negatedLabel": "Less: allowance for doubtful accounts" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfIntangibleAssets": { "auth_ref": [ "r63", "r127", "r134" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Amortization of Intangible Assets", "terseLabel": "Amortization expense" } } }, "localname": "AmortizationOfIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsDetails", "http://www.nv5.com/role/ReportableSegmentsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r94" ], "lang": { "en-US": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Non-vested restricted shares" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": { "auth_ref": [ "r94" ], "lang": { "en-US": { "role": { "documentation": "Information by type of antidilutive security.", "label": "Antidilutive Securities [Axis]", "terseLabel": "Antidilutive Securities [Axis]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]", "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesNameDomain": { "auth_ref": [ "r94" ], "lang": { "en-US": { "role": { "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.", "label": "Antidilutive Securities, Name [Domain]", "terseLabel": "Antidilutive Securities, Name [Domain]" } } }, "localname": "AntidilutiveSecuritiesNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_Assets": { "auth_ref": [ "r103", "r277", "r291" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "totalLabel": "Total Assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r3", "r4", "r40" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total current assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets, Current [Abstract]", "terseLabel": "Current assets:" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r180", "r193" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by location on balance sheet (statement of financial position).", "label": "Balance Sheet Location [Axis]", "terseLabel": "Balance Sheet Location [Axis]" } } }, "localname": "BalanceSheetLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationDomain": { "auth_ref": [ "r241", "r242" ], "lang": { "en-US": { "role": { "documentation": "Location in the balance sheet (statement of financial position).", "label": "Balance Sheet Location [Domain]", "terseLabel": "Balance Sheet Location [Domain]" } } }, "localname": "BalanceSheetLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.", "label": "Business Acquisition, Acquiree [Domain]", "terseLabel": "Business Acquisition, Acquiree [Domain]" } } }, "localname": "BusinessAcquisitionAcquireeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAxis": { "auth_ref": [ "r213", "r214" ], "lang": { "en-US": { "role": { "documentation": "Information by business combination or series of individually immaterial business combinations.", "label": "Business Acquisition [Axis]", "terseLabel": "Business Acquisition [Axis]" } } }, "localname": "BusinessAcquisitionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned": { "auth_ref": [ "r232" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.", "label": "Business Acquisition, Equity Interest Issued or Issuable, Value Assigned", "terseLabel": "Purchase price", "verboseLabel": "Common stock purchase price" } } }, "localname": "BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued": { "auth_ref": [ "r232" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of equity interests issued or issuable to acquire entity.", "label": "Business Acquisition, Equity Interest Issued or Issuable, Number of Shares", "terseLabel": "Common stock number of shares" } } }, "localname": "BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_BusinessAcquisitionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Business Acquisition [Line Items]", "terseLabel": "Business Acquisition [Line Items]" } } }, "localname": "BusinessAcquisitionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic": { "auth_ref": [ "r211", "r212" ], "lang": { "en-US": { "role": { "documentation": "The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Earnings Per Share, Basic", "terseLabel": "Basic earnings per share" } } }, "localname": "BusinessAcquisitionProFormaEarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsProFormaConsolidatedResultsOfOperationsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted": { "auth_ref": [ "r211", "r212" ], "lang": { "en-US": { "role": { "documentation": "The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Earnings Per Share, Diluted", "terseLabel": "Diluted earnings per share" } } }, "localname": "BusinessAcquisitionProFormaEarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsProFormaConsolidatedResultsOfOperationsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_BusinessAcquisitionProFormaInformationTextBlock": { "auth_ref": [ "r211", "r212" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.", "label": "Business Acquisition, Pro Forma Information [Table Text Block]", "terseLabel": "Pro forma consolidated results of operations" } } }, "localname": "BusinessAcquisitionProFormaInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount": { "auth_ref": [ "r235" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.", "label": "Business Acquisition, Goodwill, Expected Tax Deductible Amount", "terseLabel": "Goodwill" } } }, "localname": "BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss": { "auth_ref": [ "r211", "r212" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.", "label": "Business Acquisition, Pro Forma Net Income (Loss)", "terseLabel": "Net income" } } }, "localname": "BusinessAcquisitionsProFormaNetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsProFormaConsolidatedResultsOfOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessAcquisitionsProFormaRevenue": { "auth_ref": [ "r211", "r212" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.", "label": "Business Acquisition, Pro Forma Revenue", "terseLabel": "Gross revenues" } } }, "localname": "BusinessAcquisitionsProFormaRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsProFormaConsolidatedResultsOfOperationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferred1": { "auth_ref": [ "r225", "r226", "r229" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "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.", "label": "Business Combination, Consideration Transferred", "totalLabel": "Total Consideration", "verboseLabel": "Total consideration" } } }, "localname": "BusinessCombinationConsiderationTransferred1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable": { "auth_ref": [ "r225", "r226" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.", "label": "Business Combination, Consideration Transferred, Equity Interests Issued and Issuable", "terseLabel": "Consideration transferred of common stock" } } }, "localname": "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred": { "auth_ref": [ "r223", "r225", "r226", "r231" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationConsiderationTransferred1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.", "label": "Business Combination, Consideration Transferred, Liabilities Incurred", "terseLabel": "Contingent earn-out liability (Cash and stock)", "verboseLabel": "Promissory note incurred" } } }, "localname": "BusinessCombinationConsiderationTransferredLiabilitiesIncurred", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1": { "auth_ref": [ "r62", "r236" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.", "label": "Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability", "terseLabel": "Change in fair value of contingent consideration" } } }, "localname": "BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh": { "auth_ref": [ "r234" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.", "label": "Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High", "terseLabel": "Earn-out of cash" } } }, "localname": "BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationLiability": { "auth_ref": [ "r224", "r227", "r233" ], "calculation": { "http://www.nv5.com/role/ContingentConsiderationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability recognized arising from contingent consideration in a business combination.", "label": "Business Combination, Contingent Consideration, Liability", "periodEndLabel": "Total contingent consideration, end of the period", "periodStartLabel": "Contingent consideration, beginning of the year", "terseLabel": "Earn-out of cash fair value" } } }, "localname": "BusinessCombinationContingentConsiderationLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent": { "auth_ref": [ "r224", "r228" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.nv5.com/role/ContingentConsiderationDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationContingentConsiderationLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.", "label": "Business Combination, Contingent Consideration, Liability, Current", "negatedLabel": "Current portion of contingent consideration", "terseLabel": "Current portion of contingent consideration" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent": { "auth_ref": [ "r224", "r228" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.nv5.com/role/ContingentConsiderationDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationContingentConsiderationLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.", "label": "Business Combination, Contingent Consideration, Liability, Noncurrent", "terseLabel": "Contingent consideration, less current portion" } } }, "localname": "BusinessCombinationContingentConsiderationLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/ContingentConsiderationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationDisclosureTextBlock": { "auth_ref": [ "r237" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).", "label": "Business Combination Disclosure [Text Block]", "terseLabel": "Business Acquisitions" } } }, "localname": "BusinessCombinationDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitions" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual": { "auth_ref": [ "r210" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.", "label": "Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual", "terseLabel": "Gross Revenues" } } }, "localname": "BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsResultsOfOperationsFromAnyBusinessAcquiredDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets": { "auth_ref": [ "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets acquired at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets", "totalLabel": "Total Assets" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents": { "auth_ref": [ "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents", "terseLabel": "Cash" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables": { "auth_ref": [ "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables", "terseLabel": "Billed and unbilled receivables, net" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities": { "auth_ref": [ "r200", "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 3.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities", "negatedLabel": "Deferred tax liabilities" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles": { "auth_ref": [ "r215", "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 6.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of identifiable intangible assets recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles", "terseLabel": "Intangible assets:" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities": { "auth_ref": [ "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities", "negatedLabel": "Liabilities" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet": { "auth_ref": [ "r215", "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net", "totalLabel": "Net assets acquired" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets": { "auth_ref": [ "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 5.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets", "terseLabel": "Other assets" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment": { "auth_ref": [ "r215", "r216" ], "calculation": { "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails": { "order": 3.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of property, plant, and equipment recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment", "terseLabel": "Property and equipment" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet": { "auth_ref": [ "r216" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net", "terseLabel": "Excess consideration over the amounts assigned to the net assets acquired (Goodwill)" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Business Combinations [Abstract]" } } }, "localname": "BusinessCombinationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CapitalExpendituresIncurredButNotYetPaid": { "auth_ref": [ "r66", "r67", "r68" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred.", "label": "Capital Expenditures Incurred but Not yet Paid", "terseLabel": "Capital leases" } } }, "localname": "CapitalExpendituresIncurredButNotYetPaid", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r1", "r24", "r65" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r60", "r65", "r69" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "periodEndLabel": "Cash and cash equivalents \u2013 end of period", "periodStartLabel": "Cash and cash equivalents \u2013 beginning of period" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r60", "r244" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Net (decrease) increase in Cash and Cash Equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfWarrantOrRightAxis": { "auth_ref": [ "r79", "r162", "r178" ], "lang": { "en-US": { "role": { "documentation": "Information by type of warrant or right issued.", "label": "Class of Warrant or Right [Axis]", "terseLabel": "Class of Warrant or Right [Axis]" } } }, "localname": "ClassOfWarrantOrRightAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightDomain": { "auth_ref": [ "r72" ], "lang": { "en-US": { "role": { "documentation": "Name of the class or type of warrant or right outstanding. Warrants and rights represent derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months.", "label": "Class of Warrant or Right [Domain]", "terseLabel": "Class of Warrant or Right [Domain]" } } }, "localname": "ClassOfWarrantOrRightDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": { "auth_ref": [ "r78" ], "lang": { "en-US": { "role": { "documentation": "Exercise price per share or per unit of warrants or rights outstanding.", "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights", "terseLabel": "Exercise price per warrant unit (in usd per share)" } } }, "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.", "label": "Class of Warrant or Right, Number of Securities Called by Each Warrant or Right", "terseLabel": "Number of securities called by each warrant unit (in shares)" } } }, "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": { "auth_ref": [ "r77" ], "lang": { "en-US": { "role": { "documentation": "Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.", "label": "Class of Warrant or Right, Number of Securities Called by Warrants or Rights", "terseLabel": "Warrant units (in shares)" } } }, "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r37", "r147", "r283", "r296" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "Commitments and contingencies" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r146", "r151" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "Commitments and Contingencies" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/CommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "verboseLabel": "Common Stock" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock, shares authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "terseLabel": "Common stock, shares issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r14", "r156" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "terseLabel": "Common stock, shares outstanding (in shares)" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r14" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "terseLabel": "Common stock, $0.01 par value; 45,000,000 shares authorized, 12,818,919 and 12,550,711 shares issued and outstanding as of September 28, 2019 and December 29, 2018, respectively" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComputerEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems.", "label": "Computer Equipment [Member]", "terseLabel": "Computer equipment" } } }, "localname": "ComputerEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent": { "auth_ref": [ "r118", "r165" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": 2.0, "parentTag": "us-gaap_ContractWithCustomerAssetNetCurrent", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of accumulated credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.", "label": "Contract with Customer, Asset, Accumulated Allowance for Credit Loss, Current", "negatedLabel": "Less: allowance for doubtful accounts" } } }, "localname": "ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetGrossCurrent": { "auth_ref": [ "r163", "r165" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": 1.0, "parentTag": "us-gaap_ContractWithCustomerAssetNetCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.", "label": "Contract with Customer, Asset, Gross, Current", "terseLabel": "Unbilled receivables" } } }, "localname": "ContractWithCustomerAssetGrossCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetNetCurrent": { "auth_ref": [ "r163", "r165", "r170" ], "calculation": { "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.", "label": "Contract with Customer, Asset, Net, Current", "terseLabel": "Unbilled receivables, net", "totalLabel": "Unbilled receivables, net" } } }, "localname": "ContractWithCustomerAssetNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesDetails", "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerBasisOfPricingAxis": { "auth_ref": [ "r174" ], "lang": { "en-US": { "role": { "documentation": "Information by basis of pricing for contract representing right to consideration in exchange for good or service transferred to customer.", "label": "Contract with Customer, Basis of Pricing [Axis]", "terseLabel": "Contract with Customer, Basis of Pricing [Axis]" } } }, "localname": "ContractWithCustomerBasisOfPricingAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ContractWithCustomerBasisOfPricingDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Basis of pricing for contract with customer. Includes, but is not limited to, fixed-price and time-and-materials contracts.", "label": "Contract with Customer, Basis of Pricing [Domain]", "terseLabel": "Contract with Customer, Basis of Pricing [Domain]" } } }, "localname": "ContractWithCustomerBasisOfPricingDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerLiability": { "auth_ref": [ "r163", "r164", "r170" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.", "label": "Contract with Customer, Liability", "terseLabel": "Billings in excess of costs and estimated earnings on uncompleted contracts" } } }, "localname": "ContractWithCustomerLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityRevenueRecognized": { "auth_ref": [ "r171" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.", "label": "Contract with Customer, Liability, Revenue Recognized", "verboseLabel": "Contract with customer, liability, revenue recognized" } } }, "localname": "ContractWithCustomerLiabilityRevenueRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CorporateNonSegmentMember": { "auth_ref": [ "r107" ], "lang": { "en-US": { "role": { "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment.", "label": "Corporate, Non-Segment [Member]", "terseLabel": "Corporate" } } }, "localname": "CorporateNonSegmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CostDirectLabor": { "auth_ref": [ "r51" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_DirectOperatingCosts", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost of labor directly related to good produced and service rendered. Includes, but is not limited to, payroll cost and equity-based compensation.", "label": "Cost, Direct Labor", "terseLabel": "Salaries and wages" } } }, "localname": "CostDirectLabor", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_CreditFacilityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Axis]", "terseLabel": "Credit Facility [Axis]" } } }, "localname": "CreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Domain]", "terseLabel": "Credit Facility [Domain]" } } }, "localname": "CreditFacilityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CustomerListsMember": { "auth_ref": [ "r221" ], "lang": { "en-US": { "role": { "documentation": "Information about customers such as their name and contact information; it may also be an extensive database that includes other information about the customers such as their order history and demographic information.", "label": "Customer Lists [Member]", "terseLabel": "Customer backlog" } } }, "localname": "CustomerListsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CustomerRelationshipsMember": { "auth_ref": [ "r222" ], "lang": { "en-US": { "role": { "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships.", "label": "Customer Relationships [Member]", "terseLabel": "Customer relationships" } } }, "localname": "CustomerRelationshipsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r155" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "terseLabel": "Notes Payable and Other Obligations" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligations" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r10", "r11", "r12", "r278", "r279", "r290" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r35" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "verboseLabel": "Promissory note interest rate" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Debt Instrument [Line Items]", "terseLabel": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r36" ], "lang": { "en-US": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPeriodicPayment": { "auth_ref": [ "r36", "r288" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the required periodic payments including both interest and principal payments.", "label": "Debt Instrument, Periodic Payment", "terseLabel": "Periodic payment" } } }, "localname": "DebtInstrumentPeriodicPayment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r36", "r74", "r157", "r158", "r159", "r160", "r246", "r247", "r249", "r289" ], "lang": { "en-US": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredIncomeTaxLiabilitiesNet": { "auth_ref": [ "r201", "r206" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 4.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.", "label": "Deferred Income Tax Liabilities, Net", "terseLabel": "Deferred income tax liabilities, net", "verboseLabel": "Deferred income tax liabilities, net" } } }, "localname": "DeferredIncomeTaxLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxesAndTaxCredits": { "auth_ref": [ "r64" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income tax expense (benefit) and income tax credits.", "label": "Deferred Income Taxes and Tax Credits", "terseLabel": "Deferred income taxes" } } }, "localname": "DeferredIncomeTaxesAndTaxCredits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredRentCreditCurrent": { "auth_ref": [ "r33", "r251" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 8.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date.", "label": "Deferred Rent Credit, Current", "terseLabel": "Deferred rent" } } }, "localname": "DeferredRentCreditCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r205" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.", "label": "Deferred Tax Assets, Valuation Allowance", "terseLabel": "Deferred tax asset, valuation allowance" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Deposits": { "auth_ref": [ "r281" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.", "label": "Deposits", "terseLabel": "Client deposits" } } }, "localname": "Deposits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r63", "r137" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.", "label": "Depreciation", "terseLabel": "Depreciation expense" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationAndAmortization": { "auth_ref": [ "r63", "r137" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 4.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.", "label": "Depreciation, Depletion and Amortization, Nonproduction", "terseLabel": "Depreciation and amortization", "verboseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited", "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_DirectOperatingCosts": { "auth_ref": [ "r53" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_GrossProfit", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate direct operating costs incurred during the reporting period.", "label": "Direct Operating Costs", "totalLabel": "Total direct costs" } } }, "localname": "DirectOperatingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_DirectOperatingCostsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Direct Operating Costs [Abstract]", "terseLabel": "Direct costs (excluding depreciation and amortization):" } } }, "localname": "DirectOperatingCostsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table]", "terseLabel": "Disaggregation of Revenue [Table]" } } }, "localname": "DisaggregationOfRevenueTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "auth_ref": [ "r198" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for share-based payment arrangement.", "label": "Share-based Payment Arrangement [Text Block]", "terseLabel": "Stock-Based Compensation" } } }, "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensation" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Share-based Payment Arrangement [Abstract]" } } }, "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "terseLabel": "Earnings per share:" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r49", "r83", "r87", "r91", "r92", "r93", "r96", "r286", "r298" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "terseLabel": "Basic (USD per Share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r49", "r83", "r87", "r91", "r92", "r93", "r96", "r286", "r298" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "terseLabel": "Diluted (USD per Share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r97" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "terseLabel": "Earnings per Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r76", "r202", "r203" ], "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "terseLabel": "Effective income tax rate percent" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/IncomeTaxesDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount": { "auth_ref": [ "r197", "r202" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.", "label": "Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount", "negatedTerseLabel": "Income tax benefit related to the vesting of restricted stock" } } }, "localname": "EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r192" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Weighted average vesting period" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r192" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Cost not yet recognized, term" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r156" ], "lang": { "en-US": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r257", "r262", "r270" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails": { "order": 3.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense on finance lease liability.", "label": "Finance Lease, Interest Expense", "terseLabel": "Interest on lease liabilities" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finance Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Finance Leases" } } }, "localname": "FinanceLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r256", "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "terseLabel": "Present value of lease liabilities" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityCurrent": { "auth_ref": [ "r256" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 2.0, "parentTag": "nvee_OperatingAndFinanceLeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.", "label": "Finance Lease, Liability, Current", "terseLabel": "Finance" } } }, "localname": "FinanceLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r269" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.", "label": "Finance Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Schedule of maturities of lease liabilities" } } }, "localname": "FinanceLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "auth_ref": [ "r256" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 4.0, "parentTag": "nvee_OperatingAndFinanceLeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.", "label": "Finance Lease, Liability, Noncurrent", "terseLabel": "Finance" } } }, "localname": "FinanceLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Payment, Due", "totalLabel": "Total lease payments" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 6.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 5.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Five", "terseLabel": "2023" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 4.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Four", "terseLabel": "2022" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 3.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Three", "terseLabel": "2021" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Two", "terseLabel": "2020" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended.", "label": "Finance Lease, Liability, Payments, Remainder of Fiscal Year", "terseLabel": "2019" } } }, "localname": "FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Undiscounted Excess Amount", "terseLabel": "Less: Interest" } } }, "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r259", "r264" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for principal payment on finance lease.", "label": "Finance Lease, Principal Payments", "terseLabel": "Financing cash flows from finance leases" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAsset": { "auth_ref": [ "r255" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 2.0, "parentTag": "nvee_OperatingAndFinanceLeasesRightOfUseAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under finance lease.", "label": "Finance Lease, Right-of-Use Asset", "terseLabel": "Finance lease assets" } } }, "localname": "FinanceLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAssetAmortization": { "auth_ref": [ "r257", "r262", "r270" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails": { "order": 2.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to right-of-use asset from finance lease.", "label": "Finance Lease, Right-of-Use Asset, Amortization", "terseLabel": "Amortization of financing lease assets" } } }, "localname": "FinanceLeaseRightOfUseAssetAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r267", "r270" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for finance lease calculated at point in time.", "label": "Finance Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Finance leases" } } }, "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r266", "r270" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Finance Lease, Weighted Average Remaining Lease Term", "terseLabel": "Finance leases" } } }, "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Finite-Lived Intangible Asset, Useful Life", "terseLabel": "Useful life" } } }, "localname": "FiniteLivedIntangibleAssetUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "auth_ref": [ "r133" ], "calculation": { "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "negatedLabel": "Accumulated Amortization" } } }, "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable": { "auth_ref": [ "r128" ], "lang": { "en-US": { "role": { "documentation": "A table containing detailed characteristics of finite-lived intangible assets acquired during a business combination. Finite-lived intangible assets are assets that have no physical form, but have expected future economic benefit, and are expected to be used over a defined period. Acquired finite-lived intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the Entity) and in total. Additionally, any significant residual value (the expected value of the asset at the end of its useful life) and the weighted-average amortization period are also disclosed.", "label": "Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]", "terseLabel": "Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]" } } }, "localname": "FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r128", "r130", "r133", "r135", "r275" ], "lang": { "en-US": { "role": { "documentation": "Information by major type or class of finite-lived intangible assets.", "label": "Finite-Lived Intangible Assets by Major Class [Axis]", "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]" } } }, "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "auth_ref": [ "r133", "r275" ], "calculation": { "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_IntangibleAssetsNetExcludingGoodwill", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Finite-Lived Intangible Assets, Gross", "terseLabel": "Gross Carrying Amount" } } }, "localname": "FiniteLivedIntangibleAssetsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FiniteLivedIntangibleAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Finite-Lived Intangible Assets [Line Items]", "terseLabel": "Finite-Lived Intangible Assets [Line Items]" } } }, "localname": "FiniteLivedIntangibleAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r128", "r132" ], "lang": { "en-US": { "role": { "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.", "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FixedPriceContractMember": { "auth_ref": [ "r174" ], "lang": { "en-US": { "role": { "documentation": "Contract with customer in which amount of consideration is fixed.", "label": "Fixed-price Contract [Member]", "terseLabel": "Fixed-unit price contracts" } } }, "localname": "FixedPriceContractMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FurnitureAndFixturesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.", "label": "Furniture and Fixtures [Member]", "terseLabel": "Office furniture and equipment" } } }, "localname": "FurnitureAndFixturesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_GainLossOnSaleOfPropertyPlantEquipment": { "auth_ref": [ "r63" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.", "label": "Gain (Loss) on Disposition of Property Plant Equipment", "negatedLabel": "Gain on disposals of property and equipment" } } }, "localname": "GainLossOnSaleOfPropertyPlantEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r54" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "General and Administrative Expense", "terseLabel": "General and administrative" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r120", "r121" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Goodwill" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAcquiredDuringPeriod": { "auth_ref": [ "r122" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.", "label": "Goodwill, Acquired During Period", "terseLabel": "2019 Acquisitions" } } }, "localname": "GoodwillAcquiredDuringPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r136" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for goodwill and intangible assets.", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "terseLabel": "Goodwill and Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Goodwill [Line Items]", "terseLabel": "Goodwill [Line Items]" } } }, "localname": "GoodwillLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GoodwillPurchaseAccountingAdjustments": { "auth_ref": [ "r123", "r209" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Purchase Accounting Adjustments", "terseLabel": "Disposed/Adjustments" } } }, "localname": "GoodwillPurchaseAccountingAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Goodwill [Roll Forward]", "terseLabel": "Goodwill [Roll Forward]" } } }, "localname": "GoodwillRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GrossProfit": { "auth_ref": [ "r52" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.", "label": "Gross Profit", "totalLabel": "Gross Profit" } } }, "localname": "GrossProfit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r47", "r83", "r276", "r284", "r299" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "totalLabel": "Income before income tax expense", "verboseLabel": "Segment income before taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations, nonoperating income (expense) and income (loss) from equity method investments, before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of interest income (expense).", "label": "Income (Loss) from Continuing Operations before Interest Expense, Interest Income, Income Taxes, Noncontrolling Interests, Net", "totalLabel": "Income from operations" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r141" ], "lang": { "en-US": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]", "terseLabel": "Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]", "terseLabel": "Income Statement Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r208" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r71", "r102", "r207" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "Income tax expense" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayable": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.", "label": "Increase (Decrease) in Accounts Payable", "verboseLabel": "Accounts payable" } } }, "localname": "IncreaseDecreaseInAccountsPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Billed receivables" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.", "label": "Increase (Decrease) in Income Taxes Payable", "verboseLabel": "Income taxes payable" } } }, "localname": "IncreaseDecreaseInAccruedIncomeTaxesPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedLiabilities": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.", "label": "Increase (Decrease) in Accrued Liabilities", "verboseLabel": "Accrued liabilities" } } }, "localname": "IncreaseDecreaseInAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInClientFundsHeld": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the carrying amount of client funds held and maintained in custodial and separate accounts, and which are owned by clients or contract holders.", "label": "Increase (Decrease) in Client Funds Held", "negatedLabel": "Deposits" } } }, "localname": "IncreaseDecreaseInClientFundsHeld", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInContractWithCustomerLiability": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.", "label": "Increase (Decrease) in Contract with Customer, Liability", "verboseLabel": "Billings in excess of costs and estimated earnings on uncompleted contracts" } } }, "localname": "IncreaseDecreaseInContractWithCustomerLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities, net of impact of acquisitions:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.", "label": "Increase (Decrease) in Prepaid Expense and Other Assets", "negatedLabel": "Prepaid expenses and other assets" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants": { "auth_ref": [ "r93" ], "calculation": { "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails": { "order": 4.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants", "terseLabel": "Effect of warrants" } } }, "localname": "IncrementalCommonSharesAttributableToCallOptionsAndWarrants", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares": { "auth_ref": [ "r89", "r90", "r95" ], "calculation": { "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails": { "order": 3.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares", "terseLabel": "Effect of issuable shares related to acquisitions" } } }, "localname": "IncrementalCommonSharesAttributableToContingentlyIssuableShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": { "auth_ref": [ "r88", "r95" ], "calculation": { "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails": { "order": 2.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements", "terseLabel": "Effect of dilutive non-vested restricted shares and units" } } }, "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable": { "auth_ref": [ "r129", "r218" ], "lang": { "en-US": { "role": { "documentation": "A table containing detailed information about the characteristics and cost, by total and major class, of indefinite-lived intangible assets acquired as part of a business combination. Indefinite-lived intangible assets are assets that have no physical form, but have expected future economic benefit. The future benefit is not expected to diminish over a stated period of time. Acquired indefinite-lived intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the entity) and in total.", "label": "Indefinite-lived Intangible Assets Acquired as Part of Business Combination [Table]", "terseLabel": "Indefinite-lived Intangible Assets Acquired as Part of Business Combination [Table]" } } }, "localname": "IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IntangibleAssetsNetExcludingGoodwill": { "auth_ref": [ "r126", "r131" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.", "label": "Intangible Assets, Net (Excluding Goodwill)", "totalLabel": "Net Amount", "verboseLabel": "Intangible assets, net" } } }, "localname": "IntangibleAssetsNetExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpense": { "auth_ref": [ "r45", "r101", "r245", "r248", "r287" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.", "label": "Interest Expense", "negatedLabel": "Interest expense" } } }, "localname": "InterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseMember": { "auth_ref": [ "r243" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing interest expense.", "label": "Interest Expense [Member]", "terseLabel": "Interest expense" } } }, "localname": "InterestExpenseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IntersegmentEliminationMember": { "auth_ref": [ "r105" ], "lang": { "en-US": { "role": { "documentation": "Eliminating entries used in operating segment consolidation.", "label": "Intersegment Eliminations [Member]", "terseLabel": "Elimination of inter- segment revenues" } } }, "localname": "IntersegmentEliminationMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseAndRentalExpense": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 5.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "Operating Leases, Rent Expense", "terseLabel": "Facilities and facilities related" } } }, "localname": "LeaseAndRentalExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCost": { "auth_ref": [ "r268", "r270" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease cost recognized by lessee for lease contract.", "label": "Lease, Cost", "totalLabel": "Total lease cost" } } }, "localname": "LeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCostTableTextBlock": { "auth_ref": [ "r268" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.", "label": "Lease, Cost [Table Text Block]", "terseLabel": "Schedule of lease cost" } } }, "localname": "LeaseCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeaseholdImprovementsMember": { "auth_ref": [ "r138" ], "lang": { "en-US": { "role": { "documentation": "Additions or improvements to assets held under a lease arrangement.", "label": "Leasehold Improvements [Member]", "terseLabel": "Leasehold improvements" } } }, "localname": "LeaseholdImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeasesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Leases [Abstract]" } } }, "localname": "LeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LesseeFinanceLeasesTextBlock": { "auth_ref": [ "r271" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.", "label": "Lessee, Finance Leases [Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeFinanceLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeLeaseDescriptionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Lessee, Lease, Description [Line Items]", "terseLabel": "Lessee, Lease, Description [Line Items]" } } }, "localname": "LesseeLeaseDescriptionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeLeaseDescriptionTable": { "auth_ref": [ "r261" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about lessee's leases.", "label": "Lessee, Lease, Description [Table]", "terseLabel": "Lessee, Lease, Description [Table]" } } }, "localname": "LesseeLeaseDescriptionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r269" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.", "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Schedule of maturities of lease liabilities" } } }, "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Payments, Due", "totalLabel": "Total lease payments" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five", "terseLabel": "2023" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four", "terseLabel": "2022" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three", "terseLabel": "2021" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two", "terseLabel": "2020" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year", "terseLabel": "2019" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r269" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "terseLabel": "Less: Interest" } } }, "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeasesTextBlock": { "auth_ref": [ "r271" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.", "label": "Lessee, Operating Leases [Text Block]", "terseLabel": "Leases" } } }, "localname": "LesseeOperatingLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r32" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.", "label": "Liabilities", "totalLabel": "Total liabilities" } } }, "localname": "Liabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities [Abstract]", "terseLabel": "Liabilities" } } }, "localname": "LiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r20", "r280", "r294" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total liabilities and stockholders\u2019 equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities and Stockholders\u2019 Equity" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r34" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 1.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Current [Abstract]", "terseLabel": "Current liabilities:", "verboseLabel": "Current" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesNoncurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Noncurrent [Abstract]", "terseLabel": "Noncurrent" } } }, "localname": "LiabilitiesNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilityForUncertainTaxPositionsCurrent": { "auth_ref": [ "r33" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount recognized for uncertainty in income taxes classified as current.", "label": "Liability for Uncertainty in Income Taxes, Current", "terseLabel": "Unrecognized tax benefits" } } }, "localname": "LiabilityForUncertainTaxPositionsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCredit": { "auth_ref": [ "r12", "r279", "r290" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.", "label": "Long-term Line of Credit", "terseLabel": "Senior credit facility total" } } }, "localname": "LineOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityAxis": { "auth_ref": [ "r30", "r74" ], "lang": { "en-US": { "role": { "documentation": "Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit.", "label": "Lender Name [Axis]", "terseLabel": "Lender Name [Axis]" } } }, "localname": "LineOfCreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LineOfCreditFacilityExpirationPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Line of Credit Facility, Expiration Period", "terseLabel": "Senior credit facility expiration period" } } }, "localname": "LineOfCreditFacilityExpirationPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet": { "auth_ref": [ "r75" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) of the credit facility.", "label": "Line of Credit Facility, Increase (Decrease), Net", "terseLabel": "Line of credit facility change" } } }, "localname": "LineOfCreditFacilityIncreaseDecreaseForPeriodNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityLenderDomain": { "auth_ref": [ "r30" ], "lang": { "en-US": { "role": { "documentation": "Identification of the lender, which may be a single entity (for example, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit, including a letter of credit facility.", "label": "Line of Credit Facility, Lender [Domain]", "terseLabel": "Line of Credit Facility, Lender [Domain]" } } }, "localname": "LineOfCreditFacilityLenderDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r30" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "terseLabel": "Senior credit facility maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "auth_ref": [ "r117" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "terseLabel": "Billed and Unbilled Receivables" } } }, "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r12", "r154", "r279", "r292" ], "calculation": { "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "totalLabel": "Notes payable and other obligations" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtCurrent": { "auth_ref": [ "r31" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Current Maturities", "negatedTerseLabel": "Current portion of notes payable and other obligations", "terseLabel": "Current portion of notes payable and other obligations" } } }, "localname": "LongTermDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtNoncurrent": { "auth_ref": [ "r36" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt, Excluding Current Maturities", "terseLabel": "Notes payable and other obligations, less current portion", "verboseLabel": "Notes payable and other obligations, less current portion" } } }, "localname": "LongTermDebtNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LossContingencyDisclosures": { "auth_ref": [ "r149", "r150" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for loss and gain contingencies. Describes any existing condition, situation, or set of circumstances involving uncertainty as of the balance sheet date (or prior to issuance of the financial statements) as to a probable or reasonably possible loss incurred by an entity that will ultimately be resolved when one or more future events occur or fail to occur, and typically discloses the amount of loss recorded or a range of possible loss, or an assertion that no reasonable estimate can be made.", "label": "Contingencies Disclosure [Text Block]", "terseLabel": "Contingent Consideration" } } }, "localname": "LossContingencyDisclosures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ContingentConsideration" ], "xbrltype": "textBlockItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r60" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash provided by financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Cash Flows From Financing Activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r60" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash used in investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Cash Flows From Investing Activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r60", "r61", "r64" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net cash provided by operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash Flows From Operating Activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r42", "r43", "r48", "r64", "r95", "r285", "r297" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "terseLabel": "Net income \u2013 basic and diluted", "totalLabel": "Net Income and Comprehensive Income", "verboseLabel": "Net income" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited", "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "New Accounting Pronouncements and Changes in Accounting Principles [Abstract]" } } }, "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock": { "auth_ref": [ "r84" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.", "label": "New Accounting Pronouncements and Changes in Accounting Principles [Text Block]", "terseLabel": "Recent Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/RecentAccountingPronouncements" ], "xbrltype": "textBlockItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "terseLabel": "Leases" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "Adoption of New Accounting Standards" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NonUsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Countries excluding the United States of America (US).", "label": "Non-US [Member]", "terseLabel": "Foreign" } } }, "localname": "NonUsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NoncashInvestingAndFinancingItemsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Noncash Investing and Financing Items [Abstract]", "terseLabel": "Non-cash investing and financing activities:" } } }, "localname": "NoncashInvestingAndFinancingItemsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_NoncompeteAgreementsMember": { "auth_ref": [ "r220" ], "lang": { "en-US": { "role": { "documentation": "Agreement in which one party agrees not to pursue a similar trade in competition with another party.", "label": "Noncompete Agreements [Member]", "terseLabel": "Non-compete" } } }, "localname": "NoncompeteAgreementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NotesIssued1": { "auth_ref": [ "r66", "r67", "r68" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The fair value of notes issued in noncash investing and financing activities.", "label": "Notes Issued", "terseLabel": "Notes payable and other obligations issued for acquisitions" } } }, "localname": "NotesIssued1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_NotesPayable": { "auth_ref": [ "r12", "r279", "r292" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.", "label": "Notes Payable", "terseLabel": "Notes payable outstanding balance", "verboseLabel": "Notes Payable" } } }, "localname": "NotesPayable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfOperatingSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.", "label": "Number of Operating Segments", "terseLabel": "Number of operating segments" } } }, "localname": "NumberOfOperatingSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfReportableSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.", "label": "Number of Reportable Segments", "terseLabel": "Number of reportable segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OffMarketFavorableLeaseMember": { "auth_ref": [ "r27" ], "lang": { "en-US": { "role": { "documentation": "Identifiable intangible asset established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease.", "label": "Off-Market Favorable Lease [Member]", "terseLabel": "Favorable lease" } } }, "localname": "OffMarketFavorableLeaseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeInterestExpenseInterestIncomeIncomeTaxesExtraordinaryItemsNoncontrollingInterestsNet", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.", "label": "Operating Expenses", "totalLabel": "Total operating expenses" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Expenses [Abstract]", "terseLabel": "Operating Expenses:" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r263", "r270" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails": { "order": 1.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.", "label": "Operating Lease, Cost", "terseLabel": "Operating lease cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseExpense": { "auth_ref": [ "r258" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 3.0, "parentTag": "us-gaap_OperatingExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of operating lease expense. Excludes sublease income.", "label": "Operating Lease, Expense", "terseLabel": "Facilities and facilities related" } } }, "localname": "OperatingLeaseExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Lessee, Operating Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Operating Leases" } } }, "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r256" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "terseLabel": "Present value of lease liabilities" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfMaturitiesOfLeaseLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r256" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 }, "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 1.0, "parentTag": "nvee_OperatingAndFinanceLeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.", "label": "Operating Lease, Liability, Current", "terseLabel": "Operating", "verboseLabel": "Accrued lease liability" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails", "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r256" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 5.0, "parentTag": "us-gaap_Liabilities", "weight": 1.0 }, "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 3.0, "parentTag": "nvee_OperatingAndFinanceLeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.", "label": "Operating Lease, Liability, Noncurrent", "terseLabel": "Long-term lease liability", "verboseLabel": "Operating" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r260", "r264" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.", "label": "Operating Lease, Payments", "terseLabel": "Operating cash flows from operating leases" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r255" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails": { "order": 1.0, "parentTag": "nvee_OperatingAndFinanceLeasesRightOfUseAssets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under operating lease.", "label": "Operating Lease, Right-of-Use Asset", "terseLabel": "Operating lease assets", "verboseLabel": "Right-of-use lease asset, net" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/LeasesScheduleOfSupplementalBalanceSheetInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r267", "r270" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for operating lease calculated at point in time.", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Operating leases" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r266", "r270" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Operating leases" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfLeaseTermAndDiscountRateDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.", "label": "Operating Leases, Future Minimum Payments Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2019" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Five Years", "terseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Four Years", "terseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Three Years", "terseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Two Years", "terseLabel": "2020" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r250", "r252" ], "calculation": { "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingSegmentsMember": { "auth_ref": [ "r100", "r106" ], "lang": { "en-US": { "role": { "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Operating Segments [Member]", "terseLabel": "Operating Segments" } } }, "localname": "OperatingSegmentsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r81", "r84", "r98", "r240" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.", "label": "Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]", "terseLabel": "Organization and Nature of Business Operations" } } }, "localname": "OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/OrganizationAndNatureOfBusinessOperations" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrent": { "auth_ref": [ "r5", "r6", "r7", "r33" ], "calculation": { "http://www.nv5.com/role/AccruedLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Current", "terseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r28" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherLiabilities": { "auth_ref": [ "r282" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other.", "label": "Other Liabilities", "terseLabel": "Outstanding balance" } } }, "localname": "OtherLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PayablesAndAccrualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Payables and Accruals [Abstract]" } } }, "localname": "PayablesAndAccrualsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PaymentsToAcquireBusinessesGross": { "auth_ref": [ "r55", "r230" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.", "label": "Payments to Acquire Businesses, Gross", "negatedLabel": "Payments of contingent consideration", "terseLabel": "Payments to acquire businesses" } } }, "localname": "PaymentsToAcquireBusinessesGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsNarrativeDetails", "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired": { "auth_ref": [ "r55" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.", "label": "Payments to Acquire Businesses, Net of Cash Acquired", "negatedLabel": "Cash paid for acquisitions (net of cash received from acquisitions)" } } }, "localname": "PaymentsToAcquireBusinessesNetOfCashAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r56" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Purchase of property and equipment" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r180", "r193" ], "lang": { "en-US": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name [Domain]" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r13" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred stock, par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r13" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred stock, shares authorized (in shares)" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r13" ], "lang": { "en-US": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred stock, shares issued (in shares)" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r13" ], "lang": { "en-US": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred Stock, Shares Outstanding", "terseLabel": "Preferred stock, shares outstanding (in shares)" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnauditedParentheticals" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r13" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Preferred Stock, Value, Issued", "terseLabel": "Preferred stock, $0.01 par value; 5,000,000 shares authorized, no shares issued and outstanding" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r3", "r22", "r23" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.", "label": "Prepaid Expense and Other Assets, Current", "terseLabel": "Prepaid expenses and other current assets" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "auth_ref": [ "r57" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the additional capital contribution to the entity.", "label": "Proceeds from Issuance of Common Stock", "terseLabel": "Proceeds from secondary offering" } } }, "localname": "ProceedsFromIssuanceOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt": { "auth_ref": [ "r58" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).", "label": "Proceeds from Issuance of Senior Long-term Debt", "verboseLabel": "Senior credit facility" } } }, "localname": "ProceedsFromIssuanceOfSeniorLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/NotesPayableAndOtherObligationsSummaryOfNotesPayableAndOtherObligationsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromLinesOfCredit": { "auth_ref": [ "r58", "r75" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Proceeds from Lines of Credit", "terseLabel": "Borrowings from Senior Credit Facility" } } }, "localname": "ProceedsFromLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromWarrantExercises": { "auth_ref": [ "r57" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the amount received from holders exercising their stock warrants.", "label": "Proceeds from Warrant Exercises", "terseLabel": "Proceeds from exercise of unit warrant" } } }, "localname": "ProceedsFromWarrantExercises", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited", "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r26", "r140" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Property, Plant and Equipment, Type [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r143" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "terseLabel": "Property and Equipment, net" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r25", "r138" ], "calculation": { "http://www.nv5.com/role/PropertyAndEquipmentNetDetails": { "order": 1.0, "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Gross", "terseLabel": "Property and equipment, gross" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Property, Plant and Equipment [Line Items]", "terseLabel": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r8", "r9", "r140", "r295" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.nv5.com/role/PropertyAndEquipmentNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "Property and equipment, net", "totalLabel": "Property and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r8", "r140" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table Text Block]", "terseLabel": "Property, plant and equipment" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r8", "r138" ], "lang": { "en-US": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Property, Plant and Equipment, Type [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ProspectiveAdoptionOfNewAccountingPronouncementsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Table of comparison between amounts disclosed under previous guidance and new guidance.", "label": "Prospective Adoption of New Accounting Pronouncements [Table]", "terseLabel": "Prospective Adoption of New Accounting Pronouncements [Table]" } } }, "localname": "ProspectiveAdoptionOfNewAccountingPronouncementsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ProvisionForDoubtfulAccounts": { "auth_ref": [ "r50", "r119" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense (reversal of expense) for expected credit loss on accounts receivable.", "label": "Accounts Receivable, Credit Loss Expense (Reversal)", "terseLabel": "Provision for doubtful accounts" } } }, "localname": "ProvisionForDoubtfulAccounts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReceivablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Receivables [Abstract]" } } }, "localname": "ReceivablesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RepaymentsOfLinesOfCredit": { "auth_ref": [ "r59", "r75" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.", "label": "Repayments of Lines of Credit", "negatedTerseLabel": "Payments of borrowings from Senior Credit Facility" } } }, "localname": "RepaymentsOfLinesOfCredit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfLongTermDebt": { "auth_ref": [ "r59" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.", "label": "Repayments of Long-term Debt", "negatedLabel": "Payments on notes payable" } } }, "localname": "RepaymentsOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockMember": { "auth_ref": [ "r94" ], "lang": { "en-US": { "role": { "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.", "label": "Restricted Stock [Member]", "terseLabel": "Restricted Stock", "verboseLabel": "Restricted stock" } } }, "localname": "RestrictedStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r17", "r161", "r293" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "Retained earnings" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Retained Earnings" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax": { "auth_ref": [ "r168", "r169" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited": { "order": 1.0, "parentTag": "us-gaap_GrossProfit", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.", "label": "Revenue from Contract with Customer, Including Assessed Tax", "terseLabel": "Gross revenues" } } }, "localname": "RevenueFromContractWithCustomerIncludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r70", "r175" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue from contract with customer.", "label": "Revenue from Contract with Customer [Policy Text Block]", "terseLabel": "Revenue Recognition" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock": { "auth_ref": [ "r109" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.", "label": "Revenue from External Customers by Geographic Areas [Table Text Block]", "terseLabel": "Schedule of revenue from external customers by geographic areas" } } }, "localname": "RevenueFromExternalCustomersByGeographicAreasTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueRemainingPerformanceObligation": { "auth_ref": [ "r166" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of transaction price allocated to performance obligation that has not been recognized as revenue.", "label": "Revenue, Remaining Performance Obligation, Amount", "terseLabel": "Remaining revenue performance obligation amount" } } }, "localname": "RevenueRemainingPerformanceObligation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1": { "auth_ref": [ "r167" ], "lang": { "en-US": { "role": { "documentation": "Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period", "terseLabel": "Remaining performance obligation expected timing of satisfaction" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "durationItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis": { "auth_ref": [ "r167" ], "lang": { "en-US": { "role": { "documentation": "Start date of time band for expected timing of satisfaction of remaining performance obligation, in CCYY-MM-DD format.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about expected timing for satisfying remaining performance obligation.", "label": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]", "terseLabel": "Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]" } } }, "localname": "RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesRevenueRecognitionDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Revenues from External Customers and Long-Lived Assets [Line Items]", "terseLabel": "Revenues from External Customers and Long-Lived Assets [Line Items]" } } }, "localname": "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.", "label": "Revolving Credit Facility [Member]", "terseLabel": "Revolving Credit Facility" } } }, "localname": "RevolvingCreditFacilityMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails", "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r265", "r270" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Operating leases" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "auth_ref": [ "r39" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "terseLabel": "Schedule of accounts, notes, loans and financing receivable" } } }, "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BilledAndUnbilledReceivablesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of accrued liabilities.", "label": "Schedule of Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of accrued liabilities" } } }, "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/AccruedLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": { "auth_ref": [ "r94" ], "lang": { "en-US": { "role": { "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]", "terseLabel": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments.", "label": "Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]", "terseLabel": "Schedule of business acquisitions by acquisition, contingent consideration" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ContingentConsiderationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtInstrumentsTextBlock": { "auth_ref": [ "r36", "r74", "r157", "r158", "r159", "r160", "r246", "r247", "r249", "r289" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.", "label": "Schedule of Long-term Debt Instruments [Table Text Block]", "terseLabel": "Schedule of long-term debt instruments" } } }, "localname": "ScheduleOfDebtInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r95" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Schedule of reconciliation of the net income and weighted average shares outstanding for the calculation of basic and diluted earnings per share" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock": { "auth_ref": [ "r108" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.", "label": "Revenue from External Customers by Products and Services [Table Text Block]", "terseLabel": "Schedule of revenue from external customers by products and services" } } }, "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable": { "auth_ref": [ "r111" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure about the extent of the entity's reliance on its major customers.", "label": "Schedule of Revenue by Major Customers, by Reporting Segments [Table]", "terseLabel": "Schedule of Revenue by Major Customers, by Reporting Segments [Table]" } } }, "localname": "ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r128", "r132" ], "lang": { "en-US": { "role": { "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.", "label": "Schedule of Finite-Lived Intangible Assets [Table]", "terseLabel": "Schedule of Finite-Lived Intangible Assets [Table]" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": { "auth_ref": [ "r128", "r132" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.", "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]", "terseLabel": "Schedule of finite-lived intangible assets" } } }, "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock": { "auth_ref": [ "r253" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.", "label": "Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]", "terseLabel": "Schedule of future minimum rental payments for operating leases" } } }, "localname": "ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfGoodwillTable": { "auth_ref": [ "r124", "r125" ], "lang": { "en-US": { "role": { "documentation": "Schedule of goodwill and the changes during the year due to acquisition, sale, impairment or for other reasons.", "label": "Schedule of Goodwill [Table]", "terseLabel": "Schedule of Goodwill [Table]" } } }, "localname": "ScheduleOfGoodwillTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfGoodwillTextBlock": { "auth_ref": [ "r124", "r125" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.", "label": "Schedule of Goodwill [Table Text Block]", "terseLabel": "Schedule of goodwill" } } }, "localname": "ScheduleOfGoodwillTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r26", "r140" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]", "terseLabel": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/PropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock": { "auth_ref": [ "r217" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree.", "label": "Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]", "terseLabel": "Summary of the fair values of the assets acquires and liabilities assumed" } } }, "localname": "ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.", "label": "Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]", "terseLabel": "Schedule of revenue by major customers by reporting segments" } } }, "localname": "ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable": { "auth_ref": [ "r44", "r46", "r110" ], "lang": { "en-US": { "role": { "documentation": "Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.", "label": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]", "terseLabel": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]" } } }, "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": { "auth_ref": [ "r99", "r103", "r104", "r105", "r124" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]", "terseLabel": "Schedule of segment reporting information, by segment" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r180", "r193" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]", "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock": { "auth_ref": [ "r184" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.", "label": "Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]", "terseLabel": "Share-based payment arrangement, restricted stock unit, activity" } } }, "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segments [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingDisclosureTextBlock": { "auth_ref": [ "r112" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.", "label": "Segment Reporting Disclosure [Text Block]", "terseLabel": "Reportable Segments" } } }, "localname": "SegmentReportingDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegments" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentReportingRevenueReconcilingItemLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Segment Reporting, Revenue Reconciling Item [Line Items]", "verboseLabel": "Segment Reporting, Revenue Reconciling Item [Line Items]" } } }, "localname": "SegmentReportingRevenueReconcilingItemLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r62" ], "calculation": { "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncash expense for share-based payment arrangement.", "label": "Share-based Payment Arrangement, Noncash Expense", "terseLabel": "Stock based compensation" } } }, "localname": "ShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r181" ], "lang": { "en-US": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Award vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r185" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "negatedLabel": "Forfeited (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r189" ], "lang": { "en-US": { "role": { "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "terseLabel": "Forfeited (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r187" ], "lang": { "en-US": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r187" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Granted (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r186" ], "lang": { "en-US": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Ending (in shares)", "periodStartLabel": "Beginning (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Number of Unvested Restricted Shares of Common Stock and Restricted Stock Units" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r186" ], "lang": { "en-US": { "role": { "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "periodEndLabel": "Ending (in dollars per share)", "periodStartLabel": "Beginning (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r188" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedLabel": "Vested (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": { "auth_ref": [ "r190" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value", "terseLabel": "Fair value of restricted shares vested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r188" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Vested (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r182" ], "lang": { "en-US": { "role": { "documentation": "Number of shares authorized for issuance under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized", "terseLabel": "Number of shares authorized" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r178", "r183" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/StockBasedCompensationNarrativeDetails", "http://www.nv5.com/role/StockBasedCompensationRestrictedStockAwardsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.", "label": "Shares, Outstanding", "periodEndLabel": "Ending Balance (in shares)", "periodStartLabel": "Beginning Balance (in shares)" } } }, "localname": "SharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "sharesItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r81" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.", "label": "Significant Accounting Policies [Text Block]", "terseLabel": "Summary of Significant Accounting Policies" } } }, "localname": "SignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_StandbyLettersOfCreditMember": { "auth_ref": [ "r152", "r153", "r238", "r303" ], "lang": { "en-US": { "role": { "documentation": "An irrevocable undertaking (typically by a financial institution) to guarantee payment of a specified financial obligation.", "label": "Standby Letters of Credit [Member]", "terseLabel": "Standby Letters of Credit" } } }, "localname": "StandbyLettersOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/NotesPayableAndOtherObligationsNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r0", "r103", "r124", "r142", "r144", "r145", "r300" ], "lang": { "en-US": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]", "terseLabel": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByContractTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueByCustomerTypeDetails", "http://www.nv5.com/role/ReportableSegmentsRevenueFromContractsWithCustomersByGeographicLocationDetails", "http://www.nv5.com/role/ReportableSegmentsSummarizedFinancialInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r38", "r156" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited", "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "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.", "label": "Statement [Line Items]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssued1": { "auth_ref": [ "r66", "r67", "r68" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The fair value of stock issued in noncash financing activities.", "label": "Stock Issued", "terseLabel": "Stock issuance for acquisitions" } } }, "localname": "StockIssued1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfCashFlowsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodSharesAcquisitions": { "auth_ref": [ "r13", "r14", "r161" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued during the period pursuant to acquisitions.", "label": "Stock Issued During Period, Shares, Acquisitions", "terseLabel": "Stock issuance for acquisitions (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesAcquisitions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r13", "r14", "r156", "r161" ], "lang": { "en-US": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Stock Issued During Period, Shares, New Issues", "terseLabel": "Proceeds from secondary offering, net of costs (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesOther": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued attributable to transactions classified as other.", "label": "Stock Issued During Period, Shares, Other", "terseLabel": "Payment of contingent consideration with common stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures": { "auth_ref": [ "r13", "r14", "r156", "r161" ], "lang": { "en-US": { "role": { "documentation": "Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.", "label": "Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures", "terseLabel": "Restricted stock issuance, net (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueAcquisitions": { "auth_ref": [ "r38", "r156", "r161" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of stock issued pursuant to acquisitions during the period.", "label": "Stock Issued During Period, Value, Acquisitions", "terseLabel": "Stock issuance for acquisitions" } } }, "localname": "StockIssuedDuringPeriodValueAcquisitions", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "auth_ref": [ "r13", "r14", "r156", "r161" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.", "label": "Stock Issued During Period, Value, New Issues", "terseLabel": "Proceeds from secondary offering, net of costs" } } }, "localname": "StockIssuedDuringPeriodValueNewIssues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueOther": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of shares of stock issued attributable to transactions classified as other.", "label": "Stock Issued During Period, Value, Other", "terseLabel": "Payment of contingent consideration with common stock" } } }, "localname": "StockIssuedDuringPeriodValueOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures": { "auth_ref": [ "r156", "r161" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.", "label": "Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures", "terseLabel": "Restricted stock issuance, net" } } }, "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r14", "r18", "r19", "r116" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "periodEndLabel": "Ending Balance", "periodStartLabel": "Beginning Balance", "totalLabel": "Total stockholders\u2019 equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited", "http://www.nv5.com/role/ConsolidatedStatementsOfChangesInStockholdersEquityUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Stockholders\u2019 equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]", "terseLabel": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]", "terseLabel": "Subsequent Event" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r272" ], "lang": { "en-US": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r272" ], "lang": { "en-US": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]", "terseLabel": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r272" ], "lang": { "en-US": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]", "terseLabel": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r274" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "Subsequent Events" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SubsequentEventsNotes" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]", "terseLabel": "Supplemental Cash Flow Information" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/LeasesScheduleOfSupplementalCashFlowInformationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_TaxesPayableCurrent": { "auth_ref": [ "r31" ], "calculation": { "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Taxes Payable, Current", "terseLabel": "Income taxes payable" } } }, "localname": "TaxesPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedBalanceSheetsUnaudited" ], "xbrltype": "monetaryItemType" }, "us-gaap_TradeNamesMember": { "auth_ref": [ "r219" ], "lang": { "en-US": { "role": { "documentation": "Rights acquired through registration of a business name to gain or protect exclusive use thereof.", "label": "Trade Names [Member]", "terseLabel": "Trade name" } } }, "localname": "TradeNamesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/BusinessAcquisitionsSummaryOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails", "http://www.nv5.com/role/GoodwillAndIntangibleAssetsScheduleOfFiniteLivedIntangibleAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Type of Adoption [Domain]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/SummaryOfSignificantAccountingPoliciesLeasesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r199", "r204" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "terseLabel": "Unrecognized tax benefits" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/IncomeTaxesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Warrant [Member]", "terseLabel": "Warrant" } } }, "localname": "WarrantMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/EarningsPerShareNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r86", "r93" ], "calculation": { "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "terseLabel": "Diluted (in shares)", "totalLabel": "Diluted weighted average shares outstanding" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r85", "r93" ], "calculation": { "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Basic (in shares)", "verboseLabel": "Basic weighted average shares outstanding" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.nv5.com/role/ConsolidatedStatementsOfNetIncomeAndComprehensiveIncomeUnaudited", "http://www.nv5.com/role/EarningsPerShareScheduleOfEarningsPerShareBasicAndDilutedDetails" ], "xbrltype": "sharesItemType" } }, "unitCount": 7 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8475-108599" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "a", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9054-108599" }, "r112": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "280", "URI": "http://asc.fasb.org/topic&trid=2134510" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707" }, "r117": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196772" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "((a)(1),(b))", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(2)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r136": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r143": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r146": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349" }, "r149": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/subtopic&trid=2127163" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r150": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "30", "Topic": "450", "URI": "http://asc.fasb.org/subtopic&trid=2127197" }, "r151": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118956092&loc=d3e12803-110250" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r155": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "50", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r175": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "710", "URI": "http://asc.fasb.org/extlink&oid=6409733&loc=d3e19396-108361" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "740", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=117330312&loc=d3e23163-113944" }, "r198": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31931-109318" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r208": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(2)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "37", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4922-128472" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5263-128473" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(7))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5263-128473" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5333-128473" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5333-128473" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "25", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "25", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "30", "Subparagraph": "b", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(8))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(4)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479" }, "r237": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "805", "URI": "http://asc.fasb.org/topic&trid=2303972" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116873149&loc=d3e923-111674" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=d3e5283-111683" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=98513438&loc=d3e33268-110906" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(Note 3)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.15)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971" }, "r271": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888251" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662" }, "r274": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "340", "Topic": "928", "URI": "http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.12)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.15)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.9)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "(c)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(c)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=66023616&loc=SL35737432-115832" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 2))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r306": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r307": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r308": { "Name": "Form 10-Q", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-13" }, "r309": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r310": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r311": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19-26)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3,4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6801-107765" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-03(e))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868656-224227" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(210.5-03(11))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(21))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(5))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(b)(2))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1,2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e7018-107765" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(e),(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(i)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(i)(4))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690" }, "r81": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r84": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "http://asc.fasb.org/topic&trid=2122394" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "28A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1500-109256" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "48", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e2538-109256" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e2626-109256" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258" }, "r97": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r98": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599" } }, "version": "2.1" }