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v2.4.1.9

Note 3 - Construction Joint Ventures (Details) - Noncontrolling Venture Partner Share (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Condensed Balance Sheet Statements, Captions [Line Items] |  |
Current assets | $ 157,295 us-gaap_AssetsCurrent | $ 156,974 us-gaap_AssetsCurrent
Less current liabilities | (120,242)us-gaap_LiabilitiesCurrent | (104,650)us-gaap_LiabilitiesCurrent
Sterling’s receivables from and equity in net assets of construction joint ventures | 9,698 strl_ReceivablesFromAndEquityInConstructionJointVenture | 9,153 strl_ReceivablesFromAndEquityInConstructionJointVenture
Corporate Joint Venture [Member] |  |
Condensed Balance Sheet Statements, Captions [Line Items] |  |
Current assets | 26,336 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | 18,132 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember
Less current liabilities | (54,946)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | (49,035)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember
Net assets | (28,610)us-gaap_AssetsNet / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | (30,903)us-gaap_AssetsNet / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember
Backlog | 67,489 strl_Backlog / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | 55,063 strl_Backlog / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember
Sterling’s noncontrolling interest in backlog | 24,053 strl_NoncontrollingInterestInBacklog / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | 15,889 strl_NoncontrollingInterestInBacklog / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember
Sterling’s receivables from and equity in net assets of construction joint ventures | $ 9,698 strl_ReceivablesFromAndEquityInConstructionJointVenture / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember | $ 9,153 strl_ReceivablesFromAndEquityInConstructionJointVenture / dei_LegalEntityAxis = us-gaap_CorporateJointVentureMember

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- Definition Backlog + References No definition available. + Details
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- Definition Noncontrolling interest in backlog + References No definition available. + Details
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- Definition Amounts due from minority-owned entities in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle). Also, includes the entity's equity in minority-owned joint ventures. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.9) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6801-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 9 -Article 5 + Details
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- Definition Amount of net assets (liabilities). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09.6,7) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606914-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35686370&loc=SL35686385-199418 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05.4) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e604008-122996 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Paragraph 4 -Article 6 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Paragraph 19 -Article 6 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.21) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 21 -Article 5 + Details
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