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Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Allowance for credit loss | $ 121,522 | $ 105,680 | $ 85,376 | $ 91,847
Provision for credit losses | 22,455 | 17,945 | (7,165) |
Threshold for loan analysis | 1,000 |  |  |
Interest lost on nonaccrual loans | 2,500 | 1,400 | 2,200 |
Interest income on nonaccrual loans | 1,000 | $ 600 | $ 500 |
Qualitative Reserves |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Provision for credit losses | 13,500 |  |  |
Quantiative Reserves |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Provision for credit losses | 2,400 |  |  |
Net Charge-offs |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Provision for credit losses | $ 6,600 |  |  |
Minimum |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Valuation frequency period | 3 months |  |  |
Maximum |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |
Valuation frequency period | 12 months |  |  |

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- Definition Financing Receivable, Valuation Frequency Period + References No definition available. + Details
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- Definition Loans Receivable, Impaired, Interest Lost on Nonaccrual Loans + References No definition available. + Details
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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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- Definition Amount of interest income on financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 + Details
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
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