{"cik":"0001251607","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"CSFB SEC CORP CSFB MORT BACKED PASS THR CERTS SER 2003 AR18","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"11 MADISON AVENUE","street2":"4TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10010","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"11 MADISON AVENUE","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10010","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001051170-04-000258","0001051170-04-000123","0001051170-04-000066","0001051170-03-000738","0001051170-03-000659","0001051170-03-000595","0001051170-03-000528","0001162318-03-000330","0001051170-03-000470","0000950117-03-002813"],"filingDate":["2004-03-30","2004-02-03","2004-01-09","2003-12-02","2003-11-05","2003-10-07","2003-09-03","2003-08-22","2003-07-31","2003-07-01"],"reportDate":["2003-12-31","","2003-12-26","2003-11-25","2003-10-27","2003-09-25","2003-08-25","2003-08-22","2003-07-25",""],"acceptanceDateTime":["2004-03-30T19:50:01.000Z","2004-02-03T18:00:35.000Z","2004-01-09T16:20:05.000Z","2003-12-02T20:24:58.000Z","2003-11-04T22:52:05.000Z","2003-10-07T20:46:58.000Z","2003-09-03T21:30:38.000Z","2003-08-22T19:00:49.000Z","2003-07-31T18:18:51.000Z","2003-07-01T22:03:08.000Z"],"act":["","","","","","","","","",""],"form":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"fileNumber":["333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20","333-100669-20"],"filmNumber":["04700228","04561878","04516952","031032538","03977367","03931859","03879862","03862279","03814150","03769107"],"items":["","","5,7","5,7","5,7","5,7","5,7","5","5,7",""],"core_type":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"size":[57564,4111,36837,36424,37455,37240,37099,1679729,37527,1106355],"isXBRL":[0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null],"primaryDocument":["csfb03ar18_10k.txt","csfb03ar18_form15.txt","csfb03ar18_dec03.txt","csfb03ar18_nov03.txt","csfb03ar18_oct03.txt","csfb03ar18_sept03.txt","csfb03ar18_aug03.txt","m17823form8k.htm","csfb03ar18_jul03.txt","a35653.txt"],"primaryDocDescription":["12-31-2003","FORM 15  02/03/04","12-26-03 PDS","","","","","FORM 8-K","","CREDIT SUISSE FIRST BOSTON"]},"files":[]}}