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Allowance for Credit Losses - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Allowance for credit loss |  | $ 105,680 | $ 85,376 | $ 91,847 | $ 30,616
Provision for credit losses |  | 17,945 | (7,165) | 42,188 |
Threshold for loan analysis |  | 1,000 |  |  |
Interest lost on nonaccrual loans |  | 1,438 | 2,226 | 1,804 |
Interest income on nonaccrual loans |  | $ 579 | $ 471 | $ 701 |
Loans acquired from Valley Republic Bank |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Provision for credit losses | $ 10,820 |  |  |  |
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, Threshold For Loan Analysis + References No definition available. + Details
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- Definition Financing Receivable, Valuation Frequency Period + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447 + 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 No definition available. + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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