Derivatives - Schedule of Changes in Fair Value of Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||||
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ (783) | $ (108) | $ (420) | $ 175 |
Derivative Instruments Designated As Hedging Instruments Interest Income | 565 | 29 | 1,503 | 29 |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | $ 0 | $ 0 | $ 21 | $ 0 |