XML 28 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commercial Mortgage Loan - Summary of Commercial Mortgage Loan Portfolio (Parenthetical) (Detail) (Atlanta [Member], Commercial Mortgage Loan [Member])
Sep. 30, 2013
Hotel
Atlanta [Member] | Commercial Mortgage Loan [Member]
 
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Loans receivable basis spread on variable rate 4.50%
Number of rooms in hotel 110