Derivative Financial Instruments - Summary of Beginning and Ending Amounts of Gains and Losses Related to Hedges on Other Comprehensive Income and Related Activity Net of Income Taxes (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Beginning balance (loss), net of income taxes | $ (1,023) | |
| Ending balance gain (loss), net of income taxes | $ (5,392) | $ (1,023) |
| Cash Flow Hedge [Member] | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Beginning balance (loss), net of income taxes | (7) | |
| Amounts recorded in OCI net of (loss), net of income taxes | (11) | |
| Amount reclassified to income, loss (gain), net of income taxes | $ 18 | |