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Capitalized Software Development Costs (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Capitalized Software Development Costs | Capitalized software development costs, included in other assets, non-current, were as follows (in thousands):
|  | As of December 31, |
|  | 2016 |  |  | 2017 |
Capitalized software development costs, gross |  | $ | 4,280 |  |  | $ | 6,133 |
Less: Accumulated amortization |  |  | (1,520 | ) |  |  | (1,734 | )
Capitalized software development costs, net |  | $ | 2,760 |  |  | $ | 4,399 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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=66006027&loc=d3e16323-109275 Reference 2: 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=66006027&loc=d3e16265-109275 + Details
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