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Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill |
Schedule of changes in the carrying amount of goodwill | The changes in the carrying amount of goodwill are as follows (in thousands):
|  | September 30, |  | December 31, |
|  | 2018 |  | 2017 |
Balance at beginning of year |  | $ | 200,584 |  | $ | 149,208 |
Additions (See Note 4) |  |  | 30,606 |  |  | 52,481 |
Impairment adjustment |  |  | — |  |  | (1,105) |
Balance at end of period |  | $ | 231,190 |  | $ | 200,584 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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