XML 94 R91.htm IDEA: XBRL DOCUMENT v2.4.0.8
Components of Carrying Value of Residential Available for Sale Securities in Unrealized Loss Position (Detail) (Residential, USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Residential
    
Schedule of Available-for-sale Securities [Line Items]    
Less Than 12 Consecutive Months Amortized Cost $ 104,118 $ 607,030
Less Than 12 Consecutive Months Gross Unrealized Losses (1,097) (21,195)
Less Than 12 Consecutive Months Fair Value 103,021 585,835
12 Consecutive Months or Longer Amortized Cost 75,582 19,828
12 Consecutive Months or Longer Gross Unrealized Losses (1,910) (1,938)
12 Consecutive Months or Longer Fair Value $ 73,672 $ 17,890