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Discontinued Operations and Divestitures - Additional Information (Detail) $ in Millions |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 01, 2015 Business | Dec. 31, 2014 Office | Jun. 30, 2016 USD ($) Office | Jun. 30, 2015 USD ($) Office
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Number of business divestiture |  |  | 0 | 0
Gain from the sale of its individual wealth management business | $ |  |  | $ 0.1 | $ 0.1
Financial Services [Member] |  |  |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |  |  |
Number of business divestiture |  | 2 |  |
Number of businesses sold | Business | 1 |  |  |

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- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. + References No definition available. + Details
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