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Derivative Financial Instruments - Notional Amount and Fair Value of Foreign Currency Forward Contract (Detail) € in Thousands, $ in Thousands, $ in Thousands | Jun. 30, 2020 EUR (€) | Jun. 30, 2020 USD ($) | Jun. 30, 2020 CAD ($) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CAD ($)
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Financial Institution Counterparties [Member] | Other Assets [Member] | Non Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Assets Notional Amount | € | € 1,130 |  |  | € 0 |  |
Financial Institution Counterparties [Member] | Other Liabilities [Member] | Non Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Liability Notional Amount |  |  | $ 1,460 |  |  | $ 4,593
Customer Counterparties [Member] | Other Assets [Member] | Non Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Assets Notional Amount |  |  | $ 1,454 |  |  | $ 4,583
Customer Counterparties [Member] | Other Liabilities [Member] | Non Designated as Hedging Instrument [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Liability Notional Amount | € | € 1,126 |  |  | € 0 |  |
Foreign Exchange Forward [Member] | Financial Institution Counterparties [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Liability Estimated Fair Value |  | $ (9) |  |  | $ (33) |
Foreign Exchange Forward [Member] | Customer Counterparties [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Assets Estimated Fair Value |  | 16 |  |  | 45 |
Eurodollar Future | Financial Institution Counterparties [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Assets Estimated Fair Value |  | 6 |  |  | 0 |
Eurodollar Future | Customer Counterparties [Member] |  |  |  |  |  |
Derivative Counter Party [Line Items] |  |  |  |  |  |
Forward Contracts – Liability Estimated Fair Value |  | $ (2) |  |  | $ 0 |

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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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