XML 68 R94.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument Fair Value Carrying Value [Abstract]    
Recorded cost of mortgage loans held for sale $ 1.1 $ 3.5
Transfers in or out of Level 1, Level 2 or Level 3 of fair value hierarchy $ 0 $ 0