Segment Reporting - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2014
|
Jun. 30, 2013
|
Jun. 30, 2014
Segment
|
Jun. 30, 2013
|
|
Schedule Of Geographical Information [Line Items] | ||||
Number of reporting segments | 2 | |||
Inter-segment revenues | $ 9,667 | $ 7,712 | $ 18,187 | $ 15,642 |
Intersegment Eliminations [Member]
|
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Schedule Of Geographical Information [Line Items] | ||||
Inter-segment revenues | $ 0 |