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Note Related party transactions (Financial Condition accounts outstanding with PR Asset Portfolio 2013-1 International, LLC) (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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PR Asset Portfolio 2013-1 International, LLC |  |
Related Party Transaction [Line Items] |  |
Deposits | $ (8,433) | $ (10,501)

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- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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Balance Type: | credit
Period Type: | instant

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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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Namespace Prefix: |
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Period Type: |