2.4.0.857010 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - DOLLAR THRIFTY (Details)truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalse$D2012Q3YTD_DollarThriftyAutomotiveGroupIncMemberhttp://www.sec.gov/CIK0000047129duration2012-01-01T00:00:002012-09-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$D2011Q3YTD_DollarThriftyAutomotiveGroupIncMemberhttp://www.sec.gov/CIK0000047129duration2011-01-01T00:00:002011-09-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$D2011_DollarThriftyAutomotiveGroupIncMemberhttp://www.sec.gov/CIK0000047129duration2011-01-01T00:00:002011-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$D2010_DollarThriftyAutomotiveGroupIncMemberhttp://www.sec.gov/CIK0000047129duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5false USDfalsefalse$D2009_DollarThriftyAutomotiveGroupIncMemberhttp://www.sec.gov/CIK0000047129duration2009-01-01T00:00:002009-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 4us-gaap_CashAndCashEquivalentsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Cash and Cash Equivalents-Required Minimum Balance2false 5hzc_CashAndCashEquivalentsRequiredMinimumBalancehzc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse100000000100000USD$falsetruefalse5truefalsefalse100000000100000USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe carrying amounts of cash and cash equivalent items, including short-term, highly liquid investments that are readily convertible to known amounts of cash, which are restricted as to withdrawal or usage. 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