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Leases - Additional Information (Detail) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) City | Mar. 31, 2014 | Dec. 31, 2013 ft²
Operating Leased Assets [Line Items] |  |  |
Office lease covered area | ft² |  |  | 13,000
Term of lease |  | 64 months |
Lease expiration year | 2021 |  |
M&I Brazil |  |  |
Operating Leased Assets [Line Items] |  |  |
Lease expiration year | 2022 |  |
Number of cities in which offices and facilities were leased | City | 3 |  |
Operating leases, rent expense | $ | $ 0.2 |  |

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- Definition Area of leased office space. + References No definition available. + Details
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- Definition Lease expiration year. + References No definition available. + Details
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- Definition Number of cities in which offices and facilities were leased. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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