{"cik":"0001360507","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Structured Asset Mortgage Investments II Trust 2006-AR3","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"383 MADISON AVENUE","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10179","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"383 MADISON AVENUE","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10179","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"212272-2000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000911420-07-000470","0001056404-07-001481","0001056404-07-000909","0001056404-07-000340","0000911420-07-000021","0001056404-06-004228","0001056404-06-003733","0000882377-06-003481","0001056404-06-003344","0001056404-06-003004","0001056404-06-002766","0001056404-06-002765","0001056404-06-002764","0001056404-06-002700","0000911420-06-000453","0001056404-06-002371","0001056404-06-002120","0000911420-06-000323","0000911420-06-000321","0000911420-06-000296","0000911420-06-000281"],"filingDate":["2007-06-04","2007-04-02","2007-01-29","2007-01-10","2007-01-04","2006-12-12","2006-11-08","2006-10-10","2006-10-10","2006-09-08","2006-08-25","2006-08-25","2006-08-25","2006-08-08","2006-07-19","2006-07-07","2006-06-07","2006-05-16","2006-05-15","2006-05-02","2006-04-25"],"reportDate":["2006-04-28","2006-12-31","","2006-12-26","2006-04-28","2006-11-27","2006-10-25","2006-10-04","2006-09-25","2006-08-25","2006-07-25","2006-06-26","2006-05-25","2006-07-25","","2006-06-26","2006-05-25","2006-04-28","2006-04-28","",""],"acceptanceDateTime":["2007-06-04T19:53:16.000Z","2007-04-02T14:00:57.000Z","2007-01-26T22:55:43.000Z","2007-01-10T13:40:17.000Z","2007-01-04T21:42:52.000Z","2006-12-12T17:03:11.000Z","2006-11-08T18:49:54.000Z","2006-10-10T20:05:16.000Z","2006-10-10T13:39:40.000Z","2006-09-08T17:30:36.000Z","2006-08-25T17:05:27.000Z","2006-08-25T17:04:41.000Z","2006-08-25T17:03:41.000Z","2006-08-08T21:01:07.000Z","2006-07-19T19:50:21.000Z","2006-07-07T20:27:08.000Z","2006-06-07T18:51:52.000Z","2006-05-16T15:58:32.000Z","2006-05-15T21:29:15.000Z","2006-05-02T20:00:30.000Z","2006-04-25T20:18:36.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","34","34","34","34","33","34"],"form":["8-K/A","10-K","15-15D","10-D","8-K","10-D","10-D","8-K","10-D","10-D","10-D/A","10-D/A","10-D/A","10-D","424B5","10-D","10-D","8-K/A","8-K","424B5","FWP"],"fileNumber":["333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50","333-120916-50"],"filmNumber":["07897485","07736027","07557924","07521892","07510065","061270678","061196669","061137904","061135780","061081238","061055174","061055165","061055155","061013956","06969449","06951614","06891430","06844671","06843080","06799592","06778287"],"items":["9.01","","","","9.01","","","6.02","","","","","","","","","","9.01","9.01","",""],"core_type":["8-K/A","10-K","15-15D","10-D","8-K","10-D","10-D","8-K","10-D","10-D","10-D/A","10-D/A","10-D/A","10-D","424B5","10-D","10-D","8-K/A","8-K","424B5","FWP"],"size":[125786,89081,4671,282903,1083140,323502,314609,21287,326944,314576,313053,313396,308458,305400,12191,310183,305641,1509796,1509587,2183975,470370],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["d238420943.htm","sam06ar3_10k-2006.txt","sam06ar3_15-2006.txt","sam06ar3_10d-200612.txt","d238250101.txt","sam06ar3_10d-200611.txt","sam06ar3_10d-200610.txt","d576022.htm","sam06ar3_10d-200609.txt","sam06ar3_10d-200608.txt","sam06ar3_10da-200607.txt","sam06ar3_10da-200606.txt","sam06ar3_10da-200605.txt","sam06ar3_10d-200607.txt","d1191474.txt","sam06ar3_10d-200606.txt","sam06ar3_10d-200605.txt","d1175378-8a.txt","d1175378.txt","d1173038.txt","d1170848.txt"],"primaryDocDescription":["","","","","CURRENT REPORT","","","STRUCTURED ASSET MORTGAGE INVESTMENTS II INC.","","","","","","","SUPPLEMENT","","","CURRENT REPORT AMENDED","","","TERM SHEET SUPPLEMENT"]},"files":[]}}