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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the carrying amount of Goodwill | The changes in the carrying amount of Goodwill are as follows:
| Goodwill |  | Accumulated Impairment Losses |  | Total
Balance as of December 31, 2013 | $ | 68,906 |  |  | $ | (49,977 | ) |  | $ | 18,929 |
Foreign currency fluctuations | (4,048 | ) |  | 3,474 |  |  | (574 | )
Balance as of December 31, 2014 | $ | 64,858 |  |  | $ | (46,503 | ) |  | $ | 18,355 |
Foreign currency fluctuations | (4,411 | ) |  | 2,859 |  |  | (1,552 | )
Balance as of December 31, 2015 | $ | 60,447 |  |  | $ | (43,644 | ) |  | $ | 16,803 |
Acquired Intangible Assets excluding Goodwill |
| Customer Lists and Service Contracts |  | Trade Name |  | Technology |  | Total
Balance as of December 31, 2015 |  |  |  |  |  |  |
Original cost | $ | 19,781 |  |  | $ | 3,859 |  |  | $ | 6,596 |  |  | $ | 30,236 |
Accumulated amortization | (19,232 | ) |  | (3,859 | ) |  | (3,950 | ) |  | (27,041 | )
Carrying amount | $ | 549 |  |  | $ | — |  |  | $ | 2,646 |  |  | $ | 3,195 |
Weighted-average original life (in years) | 15 |  |  | 14 |  |  | 13 |  |  |  |
Balance as of December 31, 2014 |  |  |  |  |  |  |  |  |  |  |
Original cost | $ | 21,946 |  |  | $ | 4,300 |  |  | $ | 6,915 |  |  | $ | 33,161 |
Accumulated amortization | (12,099 | ) |  | (2,068 | ) |  | (3,406 | ) |  | (17,573 | )
Carrying amount | $ | 9,847 |  |  | $ | 2,232 |  |  | $ | 3,509 |  |  | $ | 15,588 |
Weighted-average original life (in years) | 15 |  |  | 14 |  |  | 13 |  |  |  |
Estimated aggregate amortization expense of Intangible Assets | Estimated aggregate amortization expense based on the current carrying amount of amortizable Intangible Assets for each of the five succeeding years is as follows:
2016 | $ | 407 |
2017 | 315 |
2018 | 309 |
2019 | 309 |
2020 | 309 |
Thereafter | 1,546 |
Total | $ | 3,195 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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