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Derivative Instruments And Hedging Activities - Narrative (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) position Swap contract | Dec. 31, 2021 USD ($) Swap position contract
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative, net liability position, aggregate fair value | $ 29,100 |
Cash collateral received | 29,300 |
Interest Rate Contract |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Cash Collateral Received/Posted | $ 29,087 | $ 0
Designated as Hedging Instrument | Interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Reclassification, cash flow hedge, after tax |  | 25,900
Not Designated as Hedging Instrument | Minimum |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative expiration period | 30 days |
Not Designated as Hedging Instrument | Maximum |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative expiration period | 60 days |
Not Designated as Hedging Instrument | Interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 1,300,000 | $ 1,400,000
Number of interest rate swaps | Swap | 141 | 153
Not Designated as Hedging Instrument | Interest rate caps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 245,800 | $ 264,700
Number of interest rate swaps | Swap | 12 | 14
Not Designated as Hedging Instrument | Residential mortgage loan commitments |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 1,500 | $ 8,200
Not Designated as Hedging Instrument | Credit contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 142,000 | $ 129,900
Cash Flow Hedging | Designated as Hedging Instrument | Interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Number of contracts terminated | contract |  | 4
Derivative notional amount |  | $ 850,000
Number of interest rate swaps | contract | 0 | 0
Fair Value Hedging | Designated as Hedging Instrument | Interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Number of contracts terminated | position | 13 | 8
Derivative notional amount | $ 22,500 | $ 80,500
Number of interest rate swaps | position | 3 | 16
Fair Value Hedging | Designated as Hedging Instrument | Terminated Interest Rate Swap |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 58,000 | $ 191,800

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- Definition Fair value of securities received as collateral against derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313 + Details
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