XML 30 R76.htm IDEA: XBRL DOCUMENT v2.4.0.6
Borrowings Under Repurchase Agreements (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Assets Sold under Agreements to Repurchase [Line Items]    
Weighted average interest rate at year end 0.25% 0.51%
Weighted average interest rate during the year 0.38% 0.64%
Average daily balance $ 10,074 $ 9,174
Maximum month-end balance during the year 14,092 9,608
Amortized cost 15,284 12,043
Fair value $ 15,328 $ 12,108