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v3.3.1.900

Nature of Business and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items] |  |
Payments for partnership dissolved |  | $ 1,391
Percentage of receivables as of December 31, 2015, 2014 | No customer accounted for more than 10% of the Company's consolidated receivables balance as of December 31, 2015 or 2014. |
Amount of off balance sheet settlement funds | $ 260,200 | 224,900
Goodwill measurement period | 1 year |
Cornastone Technology Investments (Proprietary) Limited |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Payments for partnership dissolved |  | $ 1,500
Minimum |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 3 years |
Minimum | Software Acquired or Developed for Internal Use |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 3 years |
Maximum |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 20 years |
Maximum | Software Acquired or Developed for Internal Use |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life | 10 years |

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- Definition Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6327-108592 + Details
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