|
Goodwill and Intangible Assets, Net - Components of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 12 Months Ended |
|---|---|---|
|
Sep. 30, 2014
|
Dec. 31, 2013
|
|
| Finite-Lived Intangible Assets [Line Items] | ||
| Weighted average remaining useful life | 4 years 3 months 18 days | |
| Gross | $ 17,191 | $ 17,191 |
| Accumulated amortization | (11,692) | (10,482) |
| Net | 5,499 | 6,709 |
|
Customer Relationships [Member]
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Weighted average remaining useful life | 2 years 9 months 18 days | 3 years 6 months |
| Gross | 13,997 | 13,997 |
| Accumulated amortization | (10,147) | (9,098) |
| Net | 3,850 | 4,899 |
|
Trade Name [Member]
|
||
| Finite-Lived Intangible Assets [Line Items] | ||
| Weighted average remaining useful life | 7 years 9 months 18 days | 8 years 6 months |
| Gross | 3,194 | 3,194 |
| Accumulated amortization | (1,545) | (1,384) |
| Net | $ 1,649 | $ 1,810 |