{"cik":"0001405861","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"MASTR Adjustable Rate Mortgages Trust 2007-HF2","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1285 AVENUE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1285 AVE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2127132000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001056404-08-001103","0001056404-08-000462","0001056404-08-000205","0001056404-07-003985","0001056404-07-003672","0001056404-07-003601","0001056404-07-003316","0001056404-07-003041","0001056404-07-002926","0000882377-07-002037","0000882377-07-002000","0000882377-07-001996","0000882377-07-001970","0000882377-07-001946","0000882377-07-001943","0000882377-07-001937"],"filingDate":["2008-03-31","2008-01-25","2008-01-08","2007-12-10","2007-11-08","2007-11-07","2007-10-09","2007-09-19","2007-09-07","2007-08-16","2007-08-03","2007-08-03","2007-07-27","2007-07-24","2007-07-23","2007-07-20"],"reportDate":["2007-12-31","","2007-12-26","2007-11-26","2007-09-25","2007-10-25","2007-09-25","2007-09-01","2007-08-27","2007-07-23","","2007-07-23","","","",""],"acceptanceDateTime":["2008-03-31T15:39:48.000Z","2008-01-25T20:50:39.000Z","2008-01-08T16:21:38.000Z","2007-12-10T15:51:50.000Z","2007-11-08T17:52:45.000Z","2007-11-07T17:26:11.000Z","2007-10-09T13:21:13.000Z","2007-09-19T20:00:36.000Z","2007-09-07T19:59:27.000Z","2007-08-16T17:38:45.000Z","2007-08-03T20:23:30.000Z","2007-08-03T18:45:01.000Z","2007-07-27T21:25:29.000Z","2007-07-24T19:24:14.000Z","2007-07-20T22:41:57.000Z","2007-07-20T01:13:10.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","33","34","34","34","34","34"],"form":["10-K","15-15D","10-D","10-D","10-D/A","10-D","10-D","8-K","10-D","8-K","424B5","8-K","FWP","FWP","FWP","FWP"],"fileNumber":["333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31","333-130373-31"],"filmNumber":["08722392","08550941","08516953","071294408","071224461","071220407","071161086","071124689","071106053","071061972","071024353","071023692","071007587","07996022","07992424","07990087"],"items":["","","","","","","","6.02","","2.01,9.01","","9.01","","","",""],"core_type":["10-K","15-15D","10-D","10-D","10-D/A","10-D","10-D","8-K","10-D","8-K","424B5","8-K","FWP","FWP","FWP","FWP"],"size":[114961,4316,95762,95964,96701,96353,96505,4450,95895,12006809,5540144,49368,2669049,1335139,2728890,2727344],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["mam07hf2_10k-2007.txt","mam07hf2_15-2007.txt","mam07hf2_10d-200712.txt","mam07hf2_10d-200711.txt","mam07hf2_10da-200709.txt","mam07hf2_10d-200710.txt","mam07hf2_10d-200709.txt","mam07hf2_8k-20070901.txt","mam07hf2_10d-200708.txt","d700581.htm","d690307_424b5.htm","d700578_8k.htm","d695026b.htm","d695381.htm","d695026_07-0893.htm","d695026.htm"],"primaryDocDescription":["","","","","","","","","","MASTR ADJUSTABLE RATE MORTGAGES TRUST 2007-HF2","MORTGAGE ASSET SECURITIZATION TRANSACTIONS INC.","MORTGAGE ASSET SECURITIZATION TRANSACTIONS INC.","MASTR ADJUSTABLE RATE MORTGAGES TRUST 2007-HF2","MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.","MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.","MASTR ADJUSTABLE RATE MORTGAGES TRUST 2007-HF2"]},"files":[]}}