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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Accrued interest | $ 92,200 | $ 95,000 |  |
Loans receivable, excluding accrued interest | $ 12,765,935 | 12,726,456 |  |
Loans held for sale, average life from purchase to sale | 30 days |  |  |
Allowance for credit loss, excluding accrued interest | $ 133,296 | 135,311 | $ 130,281 | $ 130,924
Allowance for credit loss, period decrease | 2,000 |  |  |
Number of commitments to lend additional funds (commitment) | 0 |  |  |
Loans receivable, PPP | 52,000 | 74,700 |  |
Total consumer loans receivable | 11,884,664 | 11,889,120 |  |
Asset Pledged as Collateral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Total consumer loans receivable | 7,600,000 | 7,000,000 |  |
Commercial Real Estate | Other commercial and industrial | Collateral Dependent Loan |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Loans receivable, excluding accrued interest | $ 23,800 | $ 15,800 |  |

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- Definition Amount, after allowance for credit loss, of accrued interest on financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3A + Details
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