|
Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Goodwill [Line Items] |
|
|
|
| Goodwill |
$ 66,548 |
$ 47,000 |
$ 15,830 |
| Goodwill Acquired During Period |
19,548 |
31,170 |
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
74,774 |
48,910 |
|
| Less: Accumulated amortization |
(17,250) |
(10,767) |
|
| Intangible Assets, Net |
57,524 |
38,143 |
|
| Amortization expense related to intangible assets |
6,500 |
3,400 |
3,100 |
| Amortization Expense, Maturity Schedule [Abstract] |
|
|
|
| 2014 |
7,921 |
|
|
| 2015 |
7,556 |
|
|
| 2016 |
6,814 |
|
|
| 2017 |
5,248 |
|
|
| 2018 |
4,879 |
|
|
|
Minimum [Member]
|
|
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Useful life of acquired intangible assets |
3 years |
|
|
|
Maximum [Member]
|
|
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Useful life of acquired intangible assets |
12 years |
|
|
|
Acquired Technology [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
7 years |
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
14,904 |
12,483 |
|
|
Acquired Technology [Member] | Minimum [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
3 years |
|
|
|
Acquired Technology [Member] | Maximum [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
7 years |
|
|
|
Internal Use Software [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
3 years |
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
2,212 |
422 |
|
|
Contracts and Customer Lists [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
11 years |
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
46,681 |
25,441 |
|
|
Trademarks and Domain Names [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
9 years |
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
1,150 |
1,150 |
|
|
Covenants Not to Compete [Member]
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Weighted Average Amortization Period |
5 years |
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
5,016 |
5,016 |
|
|
Internal Use Software in Development [Member]
|
|
|
|
| Finite-Lived Intangible Assets, Net [Abstract] |
|
|
|
| Finite-Lived Intangible Assets, Gross |
$ 4,811 |
$ 4,398 |
|