|
Property and Equipment, Net (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment gross | $ 53,519 | $ 43,904 |
| Less: accumulated depreciation and amortization | (30,296) | (26,108) |
| Property and equipment net | 23,223 | 17,796 |
|
Furniture, fixtures and equipment [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment gross | 7,605 | 6,211 |
|
Computer equipment and software [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment gross | 33,189 | 27,328 |
|
Telecommunications equipment [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment gross | 6,033 | 4,321 |
|
Leasehold improvements [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment gross | $ 6,692 | $ 6,044 |