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Derivatives - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) Derivatives | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) Derivatives | Sep. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 218 | $ (160) | $ 1,371 | $ (2,122) |
Risk Participation Agreements Purchased [Domain] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Number of interest rate swaps | Derivatives | 35 |  | 35 |  |
Risk Participation Agreements Sold [Domain] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Number of interest rate swaps | Derivatives | 16 |  | 16 |  |
Interest Rate Swap [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative Instruments Designated As Hedging Instruments Interest Expense | $ 248 | 208 | $ 710 | 219 |
Derivative, Gain (Loss) on Derivative, Net | (272) |  | (115) |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | 2,890 |  | 2,890 |  | $ 3,665
Derivative, Notional Amount | 420,000 |  | 420,000 |  | 70,000
Forward Contracts [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative Liability, Cost Basis, Gross Asset | 11,100 |  | 11,100 |  | 25,000
Derivative Liability, Fair Value, Gross Asset | 12,500 |  | 12,500 |  | 28,400
Derivative Liability, Notional Amount, Gross Asset | 38,500 |  | 38,500 |  | 47,900
Derivative, Gain (Loss) on Derivative, Net | (400) |  | (1,300) |  |
Forward Contracts [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | (182) |  | (182) |  | 483
Derivative, Notional Amount | 36,000 |  | 36,000 |  | 65,000
Derivative, Gain (Loss) on Derivative, Net | (265) | (102) | (666) | 132 |
Foreign Exchange [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Net Hedge Ineffectiveness Gain (Loss) | 2 | $ 3 | 7 | $ 15 |
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Fair Value, Net | (17) |  | (17) |  | 5
Derivative, Notional Amount | 2,589 |  | 2,589 |  | 2,119
Derivative Liability, Cost Basis, Gross Asset | 2,600 |  | 2,600 |  | 2,100
Derivative Liability, Fair Value, Gross Asset | 2,600 |  | 2,600 |  | $ 2,100
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 350,000 |  | $ 350,000 |  |
Derivative, Underlying |  |  | 350.0 million |  |
Interest Rate Swap Member - Debt | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 70,000 |  | $ 70,000 |  |
2024 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 30,000 |  | 30,000 |  |
2026 [Member] | Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 40,000 |  | 40,000 |  |
Four Year Oiriginal Maturity | Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 175,000 |  | 175,000 |  |
Five Year Original Maturity | Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | 150,000 |  | 150,000 |  |
Three Year Original Maturity | Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |  |  |
Risk participation Agreements [Line Items] |  |  |  |  |
Derivative, Notional Amount | $ 25,000 |  | $ 25,000 |  |

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