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Business Combination, Goodwill and Intangibles Intangibles (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Total finite and indefinite-lived intangible assets, gross | $ 11,070 | $ 5,674
Accumulated amortization | (3,174) | (1,964)
Intangible assets, net (excluding goodwill) | 7,896 | 3,710
Amortization of Intangible Assets | 1,210 | 547
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |
2014 | 1,258 |
2015 | 1,120 |
2016 | 925 |
2017 | 851 |
2018 | 778 |
Thereafter | 2,964 |
Finite-lived intangible assets, future amortization expense | 7,896 |
Proprietary Software |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, gross | $ 4,341 | 2,961
Patents and Technology |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 10 years |
Finite-lived intangible assets, gross | $ 5,850 | 2,070
Other |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, gross | $ 324 | $ 208
Minimum |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 3 years |
Minimum | Proprietary Software |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 3 years |
Minimum | Other Intangible Assets [Member] |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 3 years |
Minimum | tradename [Member] |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 5 years |
Maximum |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 10 years |
Maximum | Proprietary Software |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 15 years |
Maximum | Other Intangible Assets [Member] |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 5 years |
Maximum | tradename [Member] |  |
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Finite-lived intangible assets, useful life (in years) | 7 years |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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