RSO Consolidated Balance Sheets (Parenthetical) RSO (Details) (Resource Capital Corp [Member], USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Sep. 30, 2012
Resource Capital Corp [Member]
ASSETS
Loans Receivable Allowance	$ 17.7	$ 12.8

The allowance for loan losses represents the reserve to cover probable credit losses related to specifically identified loans, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date.

No definition available.

Name:	rexi_LoansReceivableAllowance
Namespace Prefix:	rexi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant