Goodwill and Other Intangible Assets (Details) (USD $) | 3 Months Ended | 9 Months Ended | |
In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013 |
Changes in the carrying amount of goodwill | ' | ' | ' | ' | ' |
Balance at the beginning of the period | ' | ' | $48,418 | ' | ' |
Increase related to business acquisitions | ' | ' | 1,956 | ' | ' |
Balance at the end of the period | 50,374 | ' | 50,374 | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Gross Amount | 76,076 | ' | 76,076 | ' | 69,442 |
Accumulated Amortization | -27,363 | ' | -27,363 | ' | -19,587 |
Net Carrying Amount | 48,713 | ' | 48,713 | ' | 49,855 |
IPR&D-Gross and Net | ' | ' | ' | ' | 370 |
Gross amount of total intangible assets (Excluding Goodwill), Total | 76,076 | ' | 76,076 | ' | 69,812 |
Intangible assets, net | 48,713 | ' | 48,713 | ' | 50,225 |
Total amortization of intangible assets | 2,334 | 2,541 | 7,273 | 7,493 | ' |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
2014 (remaining 3 months) | 2,622 | ' | 2,622 | ' | ' |
2015 | 10,477 | ' | 10,477 | ' | ' |
2016 | 9,756 | ' | 9,756 | ' | ' |
2017 | 9,250 | ' | 9,250 | ' | ' |
2018 | 7,357 | ' | 7,357 | ' | ' |
2019 and thereafter | 9,251 | ' | 9,251 | ' | ' |
Net Carrying Amount | 48,713 | ' | 48,713 | ' | 49,855 |
Existing technology | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '6 years | ' | ' |
Gross Amount | 18,483 | ' | 18,483 | ' | 16,763 |
Accumulated Amortization | -9,911 | ' | -9,911 | ' | -8,193 |
Net Carrying Amount | 8,572 | ' | 8,572 | ' | 8,570 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 8,572 | ' | 8,572 | ' | 8,570 |
Customer relationships | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '8 years | ' | ' |
Gross Amount | 45,801 | ' | 45,801 | ' | 45,590 |
Accumulated Amortization | -13,084 | ' | -13,084 | ' | -8,792 |
Net Carrying Amount | 32,717 | ' | 32,717 | ' | 36,798 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 32,717 | ' | 32,717 | ' | 36,798 |
Non-compete | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '2 years | ' | ' |
Gross Amount | 492 | ' | 492 | ' | 384 |
Accumulated Amortization | -388 | ' | -388 | ' | -350 |
Net Carrying Amount | 104 | ' | 104 | ' | 34 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 104 | ' | 104 | ' | 34 |
Tradename | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '5 years | ' | ' |
Gross Amount | 3,260 | ' | 3,260 | ' | 3,000 |
Accumulated Amortization | -1,428 | ' | -1,428 | ' | -1,002 |
Net Carrying Amount | 1,832 | ' | 1,832 | ' | 1,998 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 1,832 | ' | 1,832 | ' | 1,998 |
Patents | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '5 years | ' | ' |
Gross Amount | 3,334 | ' | 3,334 | ' | 3,036 |
Accumulated Amortization | -1,164 | ' | -1,164 | ' | -953 |
Net Carrying Amount | 2,170 | ' | 2,170 | ' | 2,083 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 2,170 | ' | 2,170 | ' | 2,083 |
Trademarks | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '10 years | ' | ' |
Gross Amount | 756 | ' | 756 | ' | 669 |
Accumulated Amortization | -344 | ' | -344 | ' | -297 |
Net Carrying Amount | 412 | ' | 412 | ' | 372 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 412 | ' | 412 | ' | 372 |
Contractual Rights | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Weighted Average Life | ' | ' | '5 years | ' | ' |
Gross Amount | 3,950 | ' | 3,950 | ' | ' |
Accumulated Amortization | -1,044 | ' | -1,044 | ' | -620 |
Net Carrying Amount | 2,906 | ' | 2,906 | ' | 3,330 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | 2,906 | ' | 2,906 | ' | 3,330 |
Contractual Rights | Prepaid Expenses and Other Current Assets | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Net Carrying Amount | ' | ' | ' | ' | 662 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | ' | ' | ' | ' | 662 |
Contractual Rights | Other Long Term Assets | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Net Carrying Amount | ' | ' | ' | ' | 2,668 |
Future amortization of intangible assets | ' | ' | ' | ' | ' |
Net Carrying Amount | ' | ' | ' | ' | 2,668 |
Cost of revenue | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Total amortization of intangible assets | 2,200 | 2,267 | 6,497 | 6,705 | ' |
Operating expenses | ' | ' | ' | ' | ' |
Summary of acquired intangible assets by category | ' | ' | ' | ' | ' |
Total amortization of intangible assets | $134 | $274 | $776 | $788 | ' |