XML 101 R86.htm IDEA: XBRL DOCUMENT v3.6.0.2
SHORT-TERM BORROWINGS - Summary of the Use of Securities Sold Under Agreements to Repurchase (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]      
Balance at year-end $ 35,864 $ 29,156 $ 21,742
Weighted average interest rate at year-end 0.20% 0.20% 0.20%
Average balance during the year $ 38,546 $ 30,156 $ 19,186
Average interest rate during the year 0.20% 0.20% 0.20%
Maximum month-end balance during the year $ 52,693 $ 37,558 $ 32,861
Fair value of securities underlying the agreements at year-end $ 56,201 $ 35,470 $ 38,337