{"cik":"0001264257","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"WAMU MORTGAGE PASS THROUGH CERTS SER 2003-S10","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":["0001277277-05-000404","0001285923-05-000056","0001285923-04-001501","0001285923-04-001338","0001285923-04-001205","0001285923-04-001075","0001285923-04-000947","0001285923-04-000818","0001285923-04-000708","0001285923-04-000459","0001285923-04-000260","0001279818-04-000216","0001277277-04-000305","0001274440-04-000216","0001216057-04-000434","0001216057-04-000214","0001216057-03-000311","0001261798-03-000281","0001219692-03-000312","0000950117-03-004168"],"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","2003-10-08",""],"acceptanceDateTime":["2005-03-30T01:42:56.000Z","2005-01-27T17:37:15.000Z","2004-12-29T21:00:45.000Z","2004-11-30T15:17:54.000Z","2004-10-27T14:25:08.000Z","2004-09-29T14:34:45.000Z","2004-08-27T16:45:58.000Z","2004-07-30T15:05:08.000Z","2004-07-02T14:23:25.000Z","2004-06-04T14:38:08.000Z","2004-05-04T19:28:37.000Z","2004-04-05T16:14:48.000Z","2004-03-26T02:36:56.000Z","2004-03-03T16:28:23.000Z","2004-02-04T15:39:26.000Z","2004-01-07T15:14:20.000Z","2003-12-04T18:43:28.000Z","2003-11-04T21:32:42.000Z","2003-10-08T19:58:03.000Z","2003-09-22T19:53:47.000Z"],"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":["333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21","333-103345-21"],"filmNumber":["05711249","05552837","041231234","041173391","041098323","041051469","041001543","04941046","04897524","04848766","04777478","04716273","04691151","04645007","04565183","04511966","031037292","03976750","03933439","03904309"],"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":[14195,7204,238815,238805,238787,238792,238751,220320,220273,220304,220000,220001,13473,219986,219989,219983,219985,220033,1740492,769228],"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":["form10k079.txt","form15d_079.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.txt","signwamu2003_s10.txt","signwamu2003_s10.txt","signwamu2003_s10.htm","signwamu2003_s10.htm","form10k079.txt","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","signwamu2003_s10.htm","f8k_psa.htm","a36178.txt"],"primaryDocDescription":["","","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","LETTER","","LETTER","LETTER","LETTER","LETTER","LETTER","","WASHINGTON MUTUAL 2003-S10 PROSPECTUS SUPPLEMENT"]},"files":[]}}