Subsequent transactions (Details)	May 07, 2013	May 18, 2010
Percentage of investment in TCI Eton Square sold		90.00%
Saleprice of investment in TCI Eton Square in millions		12.3
Office owned by the entity in squarefeet		225,566
Percentage of primeplus interest rate		2.00%
TCI recorded the sale to the independent third party and recorded a gain in millions	10
Promissory Note payable issued by TCI as per court order in millions	5
Shares of Series K Convertible Preferred Stock of ARL issued to TCI	135,000
Amount forgiven as per prepayment provisions if it is paid off by March 1, 2014 in millions	3.5
Amount forgiven as per prepayment provisions if it is paid off by March 1, 2015 in millions	2.5