XML 49 R37.htm IDEA: XBRL DOCUMENT v3.4.0.3
Investments (Reverse Purchase Agreements) (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]    
Value of reverse repurchase agreements $ 40.3 $ 26.2
Minimum required collateral for reverse repurchase agreements, expressed as a percentage of loan principal 102.00%