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Derivatives and Hedging Activities - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2022 USD ($) Derivative | Jun. 30, 2022 USD ($) Derivative | Dec. 31, 2021 USD ($) Derivative | Aug. 28, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Hedging adjustments amortized through contractual maturity date in connection with terminated hedge | $ 15,900,000 |  |  |
Termination value of derivatives in net liability position | 0 | $ 0 |  |
Collateral posted for derivative instruments | 0 | $ 0 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Interest rate hedging exposure to variability in future cash flows for forecasted transactions, maximum period |  | 14 years 2 months 12 days |  |
Interest Rate Swap [Member] | Derivatives Designated as Hedging Instruments [Member] | Fair Value Hedging [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative, notional amount | $ 757,900,000,000 | $ 757,900,000,000 | $ 1,000,000,000.0 |
Number of interest rate swaps | Derivative | 8 | 8 | 10 |
Interest Rate Swap [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative, notional amount | $ 51,500,000 | $ 51,500,000 | $ 51,500,000 |
Number of interest rate swaps | Derivative | 2 | 2 | 2 |
Interest Rate Swap [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Reclassification from AOCI to interest | $ 212,000 | $ 212,000 |  |
Interest Rate Swap [Member] | Derivatives not Designated as Hedging Instruments [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative, notional amount | $ 3,400,000,000 | $ 3,400,000,000 | $ 2,900,000,000 |
Number of interest rate swaps | Derivative | 208 | 208 | 188 |
Interest Rate Floor [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Derivative, notional amount |  |  |  | $ 750,000,000.0
Net asset fair value |  |  |  | $ 34,100,000
Unrealized gain on terminated interest rate floor remaining in AOCI, pre tax |  | $ 9,900,000 | $ 12,300,000 |
Unrealized gain on terminated interest rate floor remaining in AOCI, net of tax |  | $ 7,500,000 | $ 9,400,000 |
Unrealized gain reclassification to earnings, remaining term |  | 2 years 2 months 12 days |  |
Interest rate floor termination date |  | Aug. 28, 2020 |  |
Interest Rate Floor [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Reduction To Interest Income [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Reclassification from AOCI to interest | $ 5,000,000.0 | $ 5,000,000.0 |  |

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- Definition Unrealized gain (loss) on interest rate cash flow hedges net of tax accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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- Definition Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
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