XML 18 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Mortgage Loans on Real Estate (Impaired Mortgage Loans on Real Estate by Basis of Impairment) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Mortgage Loans on Real Estate [Abstract]    
Individually evaluated for impairment $ 42,986 $ 47,018
Collectively evaluated for impairment 2,567,394 2,560,680
Principal outstanding $ 2,610,380 $ 2,607,698