2.4.0.82101100 - Disclosure - Organizationtruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000740371duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Organization, Consolidation and Presentation of Financial Statements [Abstract]2false 2us-gaap_NatureOfOperationsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">ORGANIZATION </font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;padding-left:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Capital Realty Investors-IV Limited Partnership (the “Partnership”) is a limited partnership which was formed under the Maryland Revised Uniform Limited Partnership Act on December 7, 1983. The Partnership was formed for the purpose of raising capital by offering and selling limited partnership interests and then investing in limited partnerships ("Local Partnerships"), each of which owns and operates an existing rental housing project which was originally financed and/or operated with one or more forms of rental assistance or financial assistance from the U.S. Department of Housing and Urban Development ("HUD"). The Partnership originally made investments in forty-seven Local Partnerships. As of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">June 30, 2013</font><font style="font-family:inherit;font-size:10pt;">, the Partnership retained investments in </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">three</font><font style="font-family:inherit;font-size:10pt;"> Local Partnerships. These condensed consolidated financial statements include the accounts of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one</font><font style="font-family:inherit;font-size:10pt;"> intermediary limited partnership which has invested in </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one</font><font style="font-family:inherit;font-size:10pt;"> Local Partnership. </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The General Partners of the Partnership are C.R.I., Inc. (“CRI”), which is the Managing General Partner, and current and former shareholders of CRI. Services for the Partnership are performed by CRI, as the Partnership has no employees of its own.</font></div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6003-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0OrganizationfalseOrganizationUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.capitalrealtypartners.net/role/Organization12