{
 "ok": true,
 "cik": "1396440",
 "ticker": "MAIN",
 "name": "Main Street Capital Corporation",
 "filings": [
  {
   "form": "8-K",
   "filed": "2026-08-12",
   "items": [
    "1.01 Entry into a Material Definitive Agreement",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000102/0001396440-26-000102-index.htm"
  },
  {
   "form": "10-Q",
   "filed": "2026-08-07",
   "items": [],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000094/0001396440-26-000094-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-08-06",
   "items": [
    "2.02 Results of Operations and Financial Condition",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000090/0001396440-26-000090-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-08-04",
   "items": [
    "8.01 Other Events",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000088/0001396440-26-000088-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-07-16",
   "items": [
    "2.02 Results of Operations and Financial Condition",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000086/0001396440-26-000086-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-07-09",
   "items": [
    "2.02 Results of Operations and Financial Condition",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/1396440/000139644026000084/0001396440-26-000084-index.htm"
  }
 ],
 "events12m": 23,
 "healthWatch": {
  "window": "last 12 months",
  "since": "2025-09-27",
  "signals": [],
  "note": "Events the company itself filed with the SEC, most serious first. Shown beside the figures; they do not change the range or its receipt."
 },
 "sources": {
  "facts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0001396440.json",
  "filings": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1396440"
 },
 "license": "Figures as filed with the SEC. Card text CC BY 4.0, POPS4.",
 "notAdvice": "Reporting, not investment advice. No price targets and no trading recommendations.",
 "edgar": "🫧 Edgar looked up Main Street Capital Corporation ($MAIN). Last filing: 8-K (1.01 Entry into a Material Definitive Agreement), 2026-08-12. 23 event filings (8-K) in the past twelve months.",
 "auditor": {
  "changes": [],
  "nonReliance": [],
  "restatedSince": null
 },
 "edgarette": "🔖 The filings carry no annual revenue line Edgarette can read (common for banks and insurers, which report income differently). Nothing weighed, nothing guessed."
}