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Derivative Instruments and Hedging Activities - Additional Information (Detail) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 USD ($) derivative | Dec. 31, 2020 USD ($) derivative
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative, net liability position, aggregate fair value | $ 37,500 |
Minimum |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative expiration period | 30 days |
Maximum |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative expiration period | 60 days |
Not Designated as Hedging Instrument | Residential mortgage loan commitments |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Aggregate notional amount | $ 6,000 | $ 11,900
Interest Rate Contract |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Cash collateral pledged | $ 35,590 | $ 97,641
Interest Rate Contract | Derivative Designated as Hedging Instrument | Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Number of outstanding interest rate derivatives | derivative | 0 | 5
Aggregate notional amount |  | $ 1,100,000
Number of interest rate derivatives terminated | derivative | 4 |
Aggregate notional amount terminated | $ 850,000 |
Reclassification of realized losses from AOCI, discontinuation of cash flow hedge | $ 25,900 |
Interest Rate Contract | Derivative Designated as Hedging Instrument | Fair Value Hedging |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Number of outstanding interest rate derivatives | derivative | 16 | 24
Aggregate notional amount | $ 80,500 | $ 272,300
Number of interest rate derivatives terminated | derivative | 8 |
Aggregate notional amount, terminated | $ 191,800 |
Interest Rate Swap | Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Aggregate notional amount | $ 1,400,000 | $ 1,400,000
Number of derivative instruments held | derivative | 157 | 155
Interest Rate Cap | Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Aggregate notional amount | $ 205,400 | $ 204,900
Number of derivative instruments held | derivative | 12,000 | 12,000
Credit Contract | Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Aggregate notional amount | $ 165,800 | $ 177,200

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- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226038-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=d3e41678-113959 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + 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 http://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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