XML 13 R54.htm IDEA: XBRL DOCUMENT v2.4.1.9
Investments in unconsolidated joint ventures (Details)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Investments in unconsolidated joint ventures Details      
American Realty Investors, Inc.(1) 1.00%fil_AmericanRealtyInvestorsInc1 1.99%fil_AmericanRealtyInvestorsInc1 1.99%fil_AmericanRealtyInvestorsInc1