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Intangible Assets - Summary of Gross Carrying Amount and Related Accumulated Amortization of Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Intangible Assets Including Goodwill [Line Items] |  |
Goodwill, Gross Carrying Amount | $ 950 | $ 950
Total intangible assets, Gross Carrying Amount | 12,178 | 7,639
Goodwill, Accumulated Amortization | (234) | (234)
Total intangible assets, Accumulated Amortization | (5,730) | (4,616)
Net Amount | 5,732 |
Goodwill, Net Amount | 716 | 716
Total intangible assets, Net Amount | 6,448 | 3,023
Customer List [Member] |  |
Intangible Assets Including Goodwill [Line Items] |  |
Gross Carrying Amount | 2,485 | 2,516
Accumulated Amortization | (2,276) | (2,044)
Net Amount | 209 | 472
Software [Member] |  |
Intangible Assets Including Goodwill [Line Items] |  |
Gross Carrying Amount | 8,743 | 4,173
Accumulated Amortization | (3,220) | (2,338)
Net Amount | $ 5,523 | $ 1,835

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- Definition Gross carrying amount of finite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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