{"cik":"0001374037","entityType":"operating","sic":"6321","sicDescription":"Accident & Health Insurance","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"PRINCIPAL LIFE INCOME FUNDINGS TRUST 2006-57","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"711 HIGH STREET","street2":null,"city":"DES MOINES","stateOrCountry":"IA","zipCode":"50392","stateOrCountryDescription":"IA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"711 HIGH STREET","street2":null,"city":"DES MOINES","stateOrCountry":"IA","zipCode":"50392","stateOrCountryDescription":"IA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"5152475111","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000950137-07-004834","0000950137-07-001227","0000950137-06-009517"],"filingDate":["2007-03-30","2007-01-31","2006-08-28"],"reportDate":["2006-12-31","",""],"acceptanceDateTime":["2007-03-30T12:27:23.000Z","2007-01-31T11:00:24.000Z","2006-08-28T15:36:30.000Z"],"act":["34","34","33"],"form":["10-K","15-15D","424B2"],"fileNumber":["333-129763-64","333-129763-64","333-129763-64"],"filmNumber":["07730841","07566838","061058607"],"items":["","",""],"core_type":["10-K","15-15D","424B2"],"size":[93022,11086,48204],"isXBRL":[0,0,0],"isInlineXBRL":[0,0,0],"isXBRLNumeric":[null,null,null],"primaryDocument":["c1308957e10vk.htm","c1161257e15v15d.htm","c08094b2e424b2.htm"],"primaryDocDescription":["ANNUAL REPORT","CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION","PRICING SUPPLEMENT"]},"files":[]}}