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Derivatives - Schedule of Changes in Fair Value of Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Derivative [Line Items] |  |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ (37) | $ (531) | $ (35) | $ (1,545)
Derivative Instruments Designated As Hedging Instruments Interest Income |  | 424 |  |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | (5) | 26 |  |
Interest Rate Swap [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Instruments Designated As Hedging Instruments Interest Income | 136 |  | 385 | 854
Derivative, Net Hedge Ineffectiveness Gain (Loss) |  |  | 73 | 41
Forward Contracts [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | (17) | 0 | 95 | 0
Foreign Exchange [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | $ (1) | $ 4 | $ 1 | $ 7

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- Definition Derivative Instruments Designated As Hedging Instruments Interest Income + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + 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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- Definition Amount of gain (loss) from the ineffectiveness of the hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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