| **Derivatives - Schedule of Change in Fair Value of Derivative Assets and Liabilities (Detail) - USD ($) $ in Thousands** | 12 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | $ 787           | $ (473) | $ 219 |
| Other Income [Member] | Not Designated as Hedging Instrument [Member]                                                     |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | 787             | (473) | 219 |
| Interest Rate Contract [Member]                                                                                           |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Net Hedge Ineffectiveness Gain (Loss)                                                                         | (332)           | 0 | 0 |
| Forward Contracts [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]                            |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | (189)           | (19) | 0 |
| Interest Rate Swap [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]                           |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | 10              | 119 | 70 |
| Interest Rate Swap [Member] | Interest Income [Member] | Designated as Hedging Instrument [Member]                        |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | (590)           | 452 | 1,627 |
| Foreign Exchange Contract [Member] | Other Income [Member] | Designated as Hedging Instrument [Member]                    |            |   |   |
| **Derivative Instruments, Gain (Loss) [Line Items]**                                                                      |            |   |   |
| Derivative, Gain (Loss) on Derivative, Net                                                                                | $ 15            | $ 4 | $ (5) |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.
+ References
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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.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of gain (loss) from the ineffectiveness of the hedge.
+ References
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