Foreign Exchange Hedging Facility - Additional Information (Detail) |
3 Months Ended |
|---|---|
|
Mar. 31, 2016
USD ($)
| |
| Derivative Instruments, Gain (Loss) [Line Items] | |
| Foreign currency forward exchange contracts | $ 263,000 |
| Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | |
| Derivative Instruments, Gain (Loss) [Line Items] | |
| Foreign currency forward exchange contracts | 263,000 |
| Cash flow hedging loss on forward contracts | $ 169,000 |