{
 "ok": true,
 "cik": "357301",
 "ticker": "TRST",
 "name": "TRUSTCO BANK CORP NY",
 "filings": [
  {
   "form": "8-K",
   "filed": "2026-09-16",
   "items": [
    "5.02 Departure or Election of Directors; Appointment of Officers",
    "8.01 Other Events",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126036784/0001140361-26-036784-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-08-18",
   "items": [
    "8.01 Other Events",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126033567/0001140361-26-033567-index.htm"
  },
  {
   "form": "10-Q",
   "filed": "2026-08-10",
   "items": [],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126031982/0001140361-26-031982-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-07-21",
   "items": [
    "2.02 Results of Operations and Financial Condition",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126029118/0001140361-26-029118-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-07-10",
   "items": [
    "8.01 Other Events",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126028229/0001140361-26-028229-index.htm"
  },
  {
   "form": "8-K",
   "filed": "2026-05-20",
   "items": [
    "5.02 Departure or Election of Directors; Appointment of Officers",
    "5.07 Submission of Matters to a Vote of Security Holders",
    "8.01 Other Events",
    "9.01 Financial Statements and Exhibits"
   ],
   "url": "https://www.sec.gov/Archives/edgar/data/357301/000114036126022261/0001140361-26-022261-index.htm"
  }
 ],
 "events12m": 17,
 "sources": {
  "facts": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000357301.json",
  "filings": "https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=357301"
 },
 "license": "Figures as filed with the SEC. Card text CC BY 4.0, POPS4.",
 "notAdvice": "Reporting, not investment advice. No price targets, no buy or sell views.",
 "edgar": "🫧 Edgar looked up TRUSTCO BANK CORP NY ($TRST). Last filing: 8-K (5.02 Departure or Election of Directors; Appointment of Officers), 2026-09-16. 17 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."
}