SUBSEQUENT EVENTS (Details)	Aug. 01, 2012
SUBSEQUENT EVENTS [Abstract]
Outstanding shares authorized to be repurchased (in hundredths)	5.00%

The percentage of outstanding shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	rexi_StockRepurchaseProgramPercentageOfOutstandingSharesToBeRepurchased
Namespace Prefix:	rexi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant