{"cik":"0001264258","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"WAMU MORTGAGE PASS THROUGH CERTS SER 2003-S9","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"75 N FAIRWAY DR","street2":null,"city":"VERNON HILLS","stateOrCountry":"IL","zipCode":"60061","stateOrCountryDescription":"IL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001277277-05-000411","0001285923-05-000063","0001285923-04-001500","0001285923-04-001337","0001285923-04-001204","0001285923-04-001074","0001285923-04-000946","0001285923-04-000817","0001285923-04-000707","0001285923-04-000458","0001285923-04-000259","0001279818-04-000215","0001277277-04-000327","0001274440-04-000215","0001216057-04-000433","0001216057-04-000213","0001216057-03-000310","0001261798-03-000283","0001219692-03-000310","0000950117-03-004169"],"filingDate":["2005-03-30","2005-01-27","2004-12-29","2004-11-30","2004-10-27","2004-09-29","2004-08-27","2004-07-30","2004-07-02","2004-06-04","2004-05-04","2004-04-05","2004-03-26","2004-03-03","2004-02-04","2004-01-07","2003-12-04","2003-11-04","2003-10-08","2003-09-22"],"reportDate":["2004-12-31","","2004-12-27","2004-11-26","2004-10-25","2004-09-27","2004-08-27","2004-07-30","2004-07-01","2004-06-01","2004-05-01","2004-04-01","2003-12-31","2004-03-01","2004-02-01","2004-01-01","2003-12-01","2003-11-01","2003-10-07",""],"acceptanceDateTime":["2005-03-30T01:44:41.000Z","2005-01-27T17:37:21.000Z","2004-12-29T21:00:44.000Z","2004-11-30T15:17:56.000Z","2004-10-27T14:25:08.000Z","2004-09-29T14:34:44.000Z","2004-08-27T16:45:58.000Z","2004-07-30T15:05:09.000Z","2004-07-02T14:23:25.000Z","2004-06-04T14:37:51.000Z","2004-05-04T19:19:57.000Z","2004-04-05T16:14:43.000Z","2004-03-26T19:29:11.000Z","2004-03-03T16:28:20.000Z","2004-02-04T15:39:31.000Z","2004-01-07T15:14:34.000Z","2003-12-04T18:43:34.000Z","2003-11-04T21:32:29.000Z","2003-10-08T01:24:36.000Z","2003-09-22T19:54:31.000Z"],"act":["34","34","34","34","34","","","","","","","","","","","","","","",""],"form":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","10-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"fileNumber":["333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22","333-103345-22"],"filmNumber":["05711256","05552844","041231233","041173395","041098322","041051468","041001542","04941048","04897522","04848762","04777426","04716270","04692432","04645004","04565186","04511969","031037295","03976747","03932437","03904314"],"items":["","","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","5,7","5,7","5,7","5,7","5,7","","5,7","5,7","5,7","5,7","5,7","7",""],"core_type":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","10-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"size":[14191,7203,269631,269619,269601,269601,269585,248311,248286,248314,248016,248021,13496,248009,248006,248009,248007,248004,1843032,741885],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["form10k086.txt","form15d_086.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.txt","signwamu2003_s9.txt","signwamu2003_s9.txt","signwamu2003_s9.htm","signwamu2003_s9.htm","form10k086.txt","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","signwamu2003_s9.htm","f8k_psa.htm","a36172.txt"],"primaryDocDescription":["","","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","","LETTER","LETTER","LETTER","LETTER","LETTER","","WASHINGTON MUTUAL 2003-S9 PROSPECTUS SUPPLEMENT"]},"files":[]}}