Goodwill and Identified Intangible Assets - Change in Carrying Amount of Goodwill (Details) $ in Thousands |
6 Months Ended |
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Jun. 30, 2017
USD ($)
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| Goodwill [Roll Forward] | |
| Beginning balance | $ 259,938 |
| Goodwill acquired | 99,446 |
| Other | 36 |
| Ending balance | $ 359,420 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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