{"cik":"0000310326","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"FIRST TRUST OF INSURED MUNICIPAL BONDS SERIES 18","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"IL","stateOfIncorporationDescription":"IL","addresses":{"mailing":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1001 WARRENVILLE ROAD","street2":"C/O NIKE SECURITIES LP","city":"LISLE","stateOrCountry":"IL","zipCode":"60532","stateOrCountryDescription":"IL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000875626-05-000142","0000875626-04-000753","0000875626-04-000548","0000875626-03-000583","0000875626-03-000541","0000875626-03-000355","0000875626-02-001272","0000875626-02-000671","0000875626-02-000639","0000875626-02-000399","0000875626-01-500225","0000875626-01-500139","0000875626-01-000357","0000875626-00-000587","0000875626-00-000548","0000875626-00-000366","0000875626-99-000552","0000875626-99-000510","0000875626-99-000313","0000875626-98-000457","0000875626-98-000404","0000875626-98-000257","0000875626-97-000338","0000875626-97-000095","0000875626-96-000293","0000875626-95-000268","0000875626-94-000332"],"filingDate":["2005-01-27","2004-04-30","2004-03-26","2003-05-01","2003-04-30","2003-03-28","2002-07-01","2002-05-01","2002-04-30","2002-03-27","2001-05-04","2001-04-27","2001-03-26","2000-05-01","2000-04-28","2000-03-24","1999-05-07","1999-04-30","1999-03-26","1998-05-04","1998-04-30","1998-03-18","1997-04-30","1997-02-20","1996-05-01","1995-04-26","1994-04-29"],"reportDate":["2004-04-30","","2003-12-31","","","2002-12-31","","","","2001-12-31","","","2000-12-31","","","1999-12-31","","","1998-12-31","","","1997-12-31","","1996-12-31","","",""],"acceptanceDateTime":["2005-01-27T16:47:07.000Z","2004-04-30T14:26:39.000Z","2004-03-26T18:20:02.000Z","2003-05-01T14:22:01.000Z","2003-04-30T15:40:27.000Z","2003-03-28T16:22:18.000Z","2002-07-01T19:39:50.000Z","2002-05-01T14:41:29.000Z","2002-04-30T16:34:28.000Z","2002-03-27T05:00:00.000Z","2001-05-04T04:00:00.000Z","2001-04-27T04:00:00.000Z","2001-03-26T05:00:00.000Z","2000-05-01T04:00:00.000Z","2000-04-28T04:00:00.000Z","2000-03-24T05:00:00.000Z","1999-05-07T04:00:00.000Z","1999-04-30T04:00:00.000Z","1999-03-26T05:00:00.000Z","1998-05-04T04:00:00.000Z","1998-04-30T04:00:00.000Z","1998-03-18T05:00:00.000Z","1997-04-30T04:00:00.000Z","1997-02-20T05:00:00.000Z","1996-05-01T04:00:00.000Z","1995-04-26T04:00:00.000Z","1994-04-29T04:00:00.000Z"],"act":["33","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["24F-2NT","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","485BPOS","24F-2NT","485BPOS","485BPOS","485BPOS"],"fileNumber":["002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104","002-57104"],"filmNumber":["05552610","04767777","04692117","03675171","03671394","03623268","02693604","02628895","02626316","02587631","1622534","1612325","1578757","614717","612227","577458","99613231","99605788","99573669","98609430","98605604","98567933","97591841","97540119","96554125","95531606","94525094"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["24F-2NT","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","497J","485BPOS","24F-2NT","485BPOS","24F-2NT","485BPOS","485BPOS","485BPOS"],"size":[4989,6582,4934,2427,211854,4960,2019,2347,202125,4891,2404,202926,4951,2384,198229,4939,2615,201861,4950,2624,203970,4992,210420,5353,209734,217953,209636],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["nt18.txt","b485pos.txt","nt18.txt","j497.txt","b485pos.txt","nat18.txt","cpna.txt","j497.txt","b485pos.txt","nat18.txt","j497.txt","b485pos.txt","0001.txt","","","","","","","","","","","","","",""],"primaryDocDescription":["01/05 24F-2NT FOR NT18","POST-EFFECTIVE AMENDMENT","03/04 24F-2NT FOR NT18","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","03/28 24F-2NT FOR NAT SER 18","AMENDMENT TO PROSPECTUS","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","03/27 24F-2NT FOR NAT SER 18","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","03/26 24F-2NT FOR NAT SER 18","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","03/24  24F-2NT FOR NAT SER 18","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","03/26 24F-2NT FOR NATIONAL 18","DEFINITIVE LETTER","POST-EFFECTIVE AMENDMENT","3/18 24F-2NT FOR NATIONAL SERIES 018","POST-EFFECTIVE AMENDMENT","2/28 24F-2NT FOR NATIONAL SERIES 18","POST-EFFECTIVE AMENDMENT","POST-EFFECTIVE AMENDMENT","POST-EFFECTIVE AMENDMENT"]},"files":[]}}