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Derivative Instruments and Hedging Activities - Effect of Derivative Financial Instruments on Net Income and Comprehensive Income (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Derivative Designated as Hedging Instrument | Fair Value Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | $ 0 | $ 0 | $ 0 | $ 0
Derivative Designated as Hedging Instrument | Interest rate swaps | Fair Value Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | 6,532 | 498 | 6,832 | 3,019
Derivative Designated as Hedging Instrument | AFS debt securities | Fair Value Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | 50 | (498) | (250) | (3,019)
Derivative Designated as Hedging Instrument | FHLB advances | Fair Value Hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | (6,582) | 0 | (6,582) | 0
Not Designated as Hedging Instrument |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | 192 | 771 | 150 | 1,704
Not Designated as Hedging Instrument | Interest rate swaps and caps (1) |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | 165 | 780 | 140 | 1,741
Not Designated as Hedging Instrument | Credit contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | 26 | 41 | (1) | 44
Not Designated as Hedging Instrument | Residential mortgage loan commitments |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Amount of Income (Loss) Recognized in Earnings | $ 1 | $ (50) | $ 11 | $ (81)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E + Details
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