[
  {
    "doc_id": "sec-edgar-10-q-2026-08-04-strl-20260630-htm",
    "title": "10-Q – 2026-08-04 – strl-20260630.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000103/strl-20260630.htm",
    "date": "2026-08-04",
    "period": "2026-06-30",
    "form_type": "10-Q",
    "report_key": null,
    "filename": "strl-20260630.htm",
    "text_chars": 131623,
    "sha256": "2cc73a2b94c6515b2e8acda452e50cfb61876731b4fbe5bfe4f0e13bb14efaac",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-08-04-strl-20260630-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-08-04-strl-20260630-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-08-04-strl-20260630-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-08-04-strl-20260630-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-08-04-strl-20260630-htm/part-001.html",
        "chars": 131623
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-08-03-strl-20260803-htm",
    "title": "8-K – 2026-08-03 – strl-20260803.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000100/strl-20260803.htm",
    "date": "2026-08-03",
    "period": "2026-08-03",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260803.htm",
    "text_chars": 4545,
    "sha256": "eda35fc1a81c0581d6f85f5582365a00a8029cf2b233a51d8f3945988ee54384",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-08-03-strl-20260803-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-08-03-strl-20260803-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-08-03-strl-20260803-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-08-03-strl-20260803-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-08-03-strl-20260803-htm/part-001.html",
        "chars": 4545
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-07-10-strl-20260706-htm",
    "title": "8-K – 2026-07-10 – strl-20260706.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000095/strl-20260706.htm",
    "date": "2026-07-10",
    "period": "2026-07-06",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260706.htm",
    "text_chars": 2789,
    "sha256": "0c084cdb5b14507e4390a521bacc4a5274d6227fccf865e4320c96ea24a4194b",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-10-strl-20260706-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-10-strl-20260706-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-10-strl-20260706-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-10-strl-20260706-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-10-strl-20260706-htm/part-001.html",
        "chars": 2789
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-07-08-strl-20260702-htm",
    "title": "8-K – 2026-07-08 – strl-20260702.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000093/strl-20260702.htm",
    "date": "2026-07-08",
    "period": "2026-07-02",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260702.htm",
    "text_chars": 9057,
    "sha256": "cfe1d427c1f5b67eb160325d9bf306ef528bc3689494ef4b0725241ef8c5596c",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-08-strl-20260702-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-08-strl-20260702-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-08-strl-20260702-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-08-strl-20260702-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-07-08-strl-20260702-htm/part-001.html",
        "chars": 9057
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-06-09-strl-20260609-htm",
    "title": "8-K – 2026-06-09 – strl-20260609.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000087/strl-20260609.htm",
    "date": "2026-06-09",
    "period": "2026-06-09",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260609.htm",
    "text_chars": 3473,
    "sha256": "186037560716b21516f1ff482bf62d3219844ee34e7601a99b58dd65753544dd",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-06-09-strl-20260609-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-06-09-strl-20260609-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-06-09-strl-20260609-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-06-09-strl-20260609-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-06-09-strl-20260609-htm/part-001.html",
        "chars": 3473
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-05-21-strl-20260520-htm",
    "title": "8-K – 2026-05-21 – strl-20260520.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000083/strl-20260520.htm",
    "date": "2026-05-21",
    "period": "2026-05-20",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260520.htm",
    "text_chars": 4318,
    "sha256": "56cda00282e8b90a911bcdc5f42b63fda0a6f57dab4969f03e9cb27bfe64273d",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-21-strl-20260520-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-21-strl-20260520-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-21-strl-20260520-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-21-strl-20260520-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-21-strl-20260520-htm/part-001.html",
        "chars": 4318
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-05-12-strl-20260512-htm",
    "title": "8-K – 2026-05-12 – strl-20260512.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000078/strl-20260512.htm",
    "date": "2026-05-12",
    "period": "2026-05-12",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260512.htm",
    "text_chars": 3547,
    "sha256": "8d73f2d93c3b78eee21e2f90820bb561727f05d49bedb164485afb67ea851e49",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-12-strl-20260512-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-12-strl-20260512-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-12-strl-20260512-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-12-strl-20260512-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-12-strl-20260512-htm/part-001.html",
        "chars": 3547
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-05-07-strl-20260507-htm",
    "title": "8-K – 2026-05-07 – strl-20260507.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000058/strl-20260507.htm",
    "date": "2026-05-07",
    "period": "2026-05-07",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260507.htm",
    "text_chars": 4136,
    "sha256": "f959d1d8de66c914baa2a71d128aed6756922899a2ac7224e340591e4f118584",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-07-strl-20260507-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-07-strl-20260507-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-07-strl-20260507-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-07-strl-20260507-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-07-strl-20260507-htm/part-001.html",
        "chars": 4136
      }
    ]
  },
  {
    "doc_id": "sec-edgar-10-q-2026-05-05-strl-20260331-htm",
    "title": "10-Q – 2026-05-05 – strl-20260331.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000055/strl-20260331.htm",
    "date": "2026-05-05",
    "period": "2026-03-31",
    "form_type": "10-Q",
    "report_key": null,
    "filename": "strl-20260331.htm",
    "text_chars": 108554,
    "sha256": "50ff861e01ca39f50e0940261c893008b3a05d6f6b3eb469953c2bc66c47e109",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-05-05-strl-20260331-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-05-05-strl-20260331-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-05-05-strl-20260331-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-05-05-strl-20260331-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2026-05-05-strl-20260331-htm/part-001.html",
        "chars": 108554
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-05-04-strl-20260504-htm",
    "title": "8-K – 2026-05-04 – strl-20260504.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000052/strl-20260504.htm",
    "date": "2026-05-04",
    "period": "2026-05-04",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260504.htm",
    "text_chars": 4553,
    "sha256": "534e7453f2c97ff2cd9b2172f0f0fc1a80facad183e772b5ad77f3c0e35902a5",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-04-strl-20260504-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-04-strl-20260504-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-04-strl-20260504-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-04-strl-20260504-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-05-04-strl-20260504-htm/part-001.html",
        "chars": 4553
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-04-08-strl-20260408-htm",
    "title": "8-K – 2026-04-08 – strl-20260408.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000047/strl-20260408.htm",
    "date": "2026-04-08",
    "period": "2026-04-08",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260408.htm",
    "text_chars": 3418,
    "sha256": "99bfd561e14b637aa81c18d9fbbac756ebb218d84fe7ffba6db355e1bb6a6448",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-04-08-strl-20260408-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-04-08-strl-20260408-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-04-08-strl-20260408-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-04-08-strl-20260408-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-04-08-strl-20260408-htm/part-001.html",
        "chars": 3418
      }
    ]
  },
  {
    "doc_id": "sec-edgar-10-k-2026-02-26-strl-20251231-htm",
    "title": "10-K – 2026-02-26 – strl-20251231.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000024/strl-20251231.htm",
    "date": "2026-02-26",
    "period": "2025-12-31",
    "form_type": "10-K",
    "report_key": null,
    "filename": "strl-20251231.htm",
    "text_chars": 312654,
    "sha256": "1d481efce30a0a4ab94e8df0d6ea5e4dcc3bd92e689f10744b7836b4f3f59f6d",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm/part-001.html",
        "chars": 179928
      },
      {
        "number": 2,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-k-2026-02-26-strl-20251231-htm/part-002.html",
        "chars": 132718
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2026-02-25-strl-20260225-htm",
    "title": "8-K – 2026-02-25 – strl-20260225.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423826000018/strl-20260225.htm",
    "date": "2026-02-25",
    "period": "2026-02-25",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20260225.htm",
    "text_chars": 4610,
    "sha256": "a6757339162b930082d1cef9b3691f7c89b49a9d85bbff8806d012fd2cc20cad",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-02-25-strl-20260225-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-02-25-strl-20260225-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-02-25-strl-20260225-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-02-25-strl-20260225-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2026-02-25-strl-20260225-htm/part-001.html",
        "chars": 4610
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2025-11-12-strl-20251112-htm",
    "title": "8-K – 2025-11-12 – strl-20251112.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000138/strl-20251112.htm",
    "date": "2025-11-12",
    "period": "2025-11-12",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20251112.htm",
    "text_chars": 3192,
    "sha256": "2b2a303fca19ed21ba40cba16928a8539f701dd12c0b8281c6b6c7e34fcc8064",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-12-strl-20251112-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-12-strl-20251112-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-12-strl-20251112-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-12-strl-20251112-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-12-strl-20251112-htm/part-001.html",
        "chars": 3192
      }
    ]
  },
  {
    "doc_id": "sec-edgar-10-q-2025-11-04-strl-20250930-htm",
    "title": "10-Q – 2025-11-04 – strl-20250930.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000136/strl-20250930.htm",
    "date": "2025-11-04",
    "period": "2025-09-30",
    "form_type": "10-Q",
    "report_key": null,
    "filename": "strl-20250930.htm",
    "text_chars": 130983,
    "sha256": "b2b3db7a6123466955c1cb39388a32dc8e068eae51faf38ff035a86b4b6003b7",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2025-11-04-strl-20250930-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2025-11-04-strl-20250930-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2025-11-04-strl-20250930-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2025-11-04-strl-20250930-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-10-q-2025-11-04-strl-20250930-htm/part-001.html",
        "chars": 130983
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2025-11-03-strl-20251103-htm",
    "title": "8-K – 2025-11-03 – strl-20251103.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000133/strl-20251103.htm",
    "date": "2025-11-03",
    "period": "2025-11-03",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20251103.htm",
    "text_chars": 4596,
    "sha256": "aac816bdc85a033d209ad11a1afd5e8f324337f45ea95238e75faec19525109f",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-03-strl-20251103-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-03-strl-20251103-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-03-strl-20251103-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-03-strl-20251103-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-11-03-strl-20251103-htm/part-001.html",
        "chars": 4596
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2025-09-24-strl-20250923-htm",
    "title": "8-K – 2025-09-24 – strl-20250923.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000131/strl-20250923.htm",
    "date": "2025-09-24",
    "period": "2025-09-23",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20250923.htm",
    "text_chars": 2845,
    "sha256": "9e90c585a4da7554be6f53c805e498c997d49ef318ec94bbe189171ac7d56ba2",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-24-strl-20250923-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-24-strl-20250923-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-24-strl-20250923-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-24-strl-20250923-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-24-strl-20250923-htm/part-001.html",
        "chars": 2845
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2025-09-18-strl-20250917-htm",
    "title": "8-K – 2025-09-18 – strl-20250917.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000129/strl-20250917.htm",
    "date": "2025-09-18",
    "period": "2025-09-17",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20250917.htm",
    "text_chars": 3513,
    "sha256": "fef8a03b6382c5a1b42b3e5113ee8b214975772d084844ba1c5e494667c53fca",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-18-strl-20250917-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-18-strl-20250917-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-18-strl-20250917-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-18-strl-20250917-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-18-strl-20250917-htm/part-001.html",
        "chars": 3513
      }
    ]
  },
  {
    "doc_id": "sec-edgar-8-k-2025-09-02-strl-20250901-htm",
    "title": "8-K – 2025-09-02 – strl-20250901.htm",
    "source": "SEC EDGAR",
    "source_class": "sec",
    "source_url": "https://www.sec.gov/Archives/edgar/data/874238/000087423825000125/strl-20250901.htm",
    "date": "2025-09-02",
    "period": "2025-09-01",
    "form_type": "8-K",
    "report_key": null,
    "filename": "strl-20250901.htm",
    "text_chars": 3603,
    "sha256": "c204a6a60a3a54aa22ed7c88863452d447d0f321061b32b92d8e27f594406431",
    "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-02-strl-20250901-htm",
    "absolute_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-02-strl-20250901-htm",
    "txt_url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-02-strl-20250901-htm/fulltext.txt",
    "absolute_txt_url": "https://spela.port0.org/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-02-strl-20250901-htm/fulltext.txt",
    "parts": [
      {
        "number": 1,
        "url": "/company/sterling-infrastructure-inc/documents/sec-edgar-8-k-2025-09-02-strl-20250901-htm/part-001.html",
        "chars": 3603
      }
    ]
  }
]