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Derivatives - Additional Information (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) Derivatives | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Risk participation Agreements [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 1,430 | $ (1,741) |
Risk Participation Agreements Purchased [Domain] |  |  |
Risk participation Agreements [Line Items] |  |  |
Number of interest rate swaps | Derivatives | 36 |  |
Risk Participation Agreements Sold [Domain] |  |  |
Risk participation Agreements [Line Items] |  |  |
Number of interest rate swaps | Derivatives | 15 |  |
Interest Rate Swap [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative Instruments Designated As Hedging Instruments Interest Expense | $ 226 | (54) |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Fair Value, Net | 1,824 |  | $ 3,665
Derivative, Notional Amount | 70,000 |  | 70,000
Forward Contracts [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative Liability, Cost Basis, Gross Asset | 12,200 |  | 25,000
Derivative Liability, Fair Value, Gross Asset | 13,600 |  | 28,400
Derivative Liability, Notional Amount, Gross Asset | 41,600 |  | 47,900
Derivative, Gain (Loss) on Derivative, Net | (1,100) |  |
Forward Contracts [Member] | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Fair Value, Net | (559) |  | 483
Derivative, Notional Amount | 49,000 |  | 65,000
Derivative, Gain (Loss) on Derivative, Net | (1,042) | 481 |
Foreign Exchange [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | 2 | $ 5 |
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Fair Value, Net | (12) |  | 5
Derivative, Notional Amount | 1,989 |  | 2,119
Derivative Liability, Cost Basis, Gross Asset | 2,000 |  | 2,100
Derivative Liability, Fair Value, Gross Asset | 2,000 |  | $ 2,100
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Notional Amount | $ 300,000 |  |
Derivative, Underlying | 300.0 million |  |
2024 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Notional Amount | $ 30,000 |  |
2026 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Notional Amount | 40,000 |  |
Four Year Oiriginal Maturity | Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Notional Amount | 150,000 |  |
Five Year Original Maturity | Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |
Risk participation Agreements [Line Items] |  |  |
Derivative, Notional Amount | $ 150,000 |  |

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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
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