XML 96 R61.htm IDEA: XBRL DOCUMENT v3.5.0.2
Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Earnings (Detail) - Derivatives Not Designated as Hedging Instruments [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Derivatives, Fair Value [Line Items]        
Amount of Gain Recognized in Income on Derivative Instruments $ 136 $ 0 $ 521 $ 199
Interest Rate Swaps [Member] | Other Income [Member]        
Derivatives, Fair Value [Line Items]        
Amount of Gain Recognized in Income on Derivative Instruments $ 136 $ 0 $ 521 $ 199