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Derivatives - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) Derivative | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Derivative [Line Items] |  |  |
Number of participation agreements for interest rate swaps, participant | Derivative | 27 |  |
Number of participation agreements for interest rate swaps, lead bank | Derivative | 21 |  |
Derivative, Gain (Loss) on Derivative, Net | $ (46) | $ 14 | $ 368
Not Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 218 | 922 | (363)
Interest Rate Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | (20,100) | (19,000) | (4,800)
Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 40,000 |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 465,000 | 570,000 |
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 966,978 | 945,046 |
Interest Rate Swap [Member] | Interest Income [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | (22,503) | (21,647) | (5,125)
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 0 | 0 | 5
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 60,000 | 39,000 |
Other Income | 750 | (415) | $ (92)
Derivative, Underlying Asset Carrying Value | 8,300 | 7,100 |
Derivative Liability, Fair Value, Gross Asset | 9,600 | 8,100 |
Derivative Liability, Notional Amount | 60,900 | $ 38,200 |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 425,000 |  |
Credit Derivative, Maximum Exposure, Undiscounted | 425,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 5/1/2025 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 150,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 8/25/2025 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 25,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 10/10/2025 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 25,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 11/5/2025 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 50,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 5/1/2026 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 150,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | 10/15/2026 |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 25,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | Four Year Oiriginal Maturity |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 250,000 |  |
Interest Rate Macro Swap | Designated as Hedging Instrument [Member] | Five Year Original Maturity |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 175,000 |  |
Interest Rate Macro Swap Matured | Designated as Hedging Instrument [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 75,000 |  |
2024 [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | 30,000 |  |
2026 [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member] |  |  |
Derivative [Line Items] |  |  |
Derivative, Notional Amount | $ 40,000 |  |

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- Definition Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4K + Details
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