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v3.23.3

Loans and Allowance for Credit Losses - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non Accrual Status Of Loans After Number Of Days Past Due |  |  | 90 days |  |
Default Status Of TDRs After Number Of Days Past Due |  |  | 90 days |  |
Charge-offs | $ 4,598,000 | $ 3,370,000 | $ 15,824,000 | $ 7,099,000 |
Unfunded commitments related to nonperforming loans | 100,000 |  | 100,000 |  | $ 100,000
Off balance sheet reserve to nonperforming loans | 0 |  | 0 |  | 0
Total gains or losses included in earnings | 0 | 0 | 0 | 0 |
Recorded investment | 47,924,000 |  | 47,924,000 |  | 35,487,000
Loans with modifications to rate and payment due to reamortization |  |  |  | 10,000 |
Loans and Leases Receivable, Gross | 8,901,725,000 |  | 8,901,725,000 |  | 7,642,143,000
Loans and Leases Receivable, Net of Deferred Income | 8,901,725,000 |  | $ 8,901,725,000 |  | 7,642,143,000
Forecasted Value, National Unemployment, Percent |  |  | 3.78% |  |
Financing Receivable, before Allowance for Credit Loss | 8,901,725,000 |  | $ 8,901,725,000 |  | 7,642,143,000
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery |  |  | 13,800,000 | 5,100,000 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default |  | 0 | 0 | 0 |
Accrual Loans [Member] [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring |  |  |  |  | 6,400,000
Centric Bank |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | 22,000,000 |  | 22,000,000 |  |
Net Deferred Fees |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Deferred Income | 7,400,000 |  | 7,400,000 |  | 5,900,000
Unearned Premiums and Discounts |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans and Leases Receivable, Deferred Income | (27,600,000) |  | (27,600,000) |  | (5,400,000)
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 13,713,000 |  | $ 13,713,000 |  | 15,896,000
Weighted average [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Forecasted Value, National Unemployment, Percent |  |  | 4.59% |  |
Maximum [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Forecasted Value, National Unemployment, Percent |  |  | 4.86% |  |
Time and Demand Loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs |  |  | $ 7,424,000 |  |
Loans and Leases Receivable, Gross | 1,189,604,000 |  | 1,189,604,000 |  | 1,023,824,000
Multifamily |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs |  |  | 0 |  |
Loans and Leases Receivable, Gross | 537,565,000 |  | 537,565,000 |  | 431,151,000
Commercial, financial, agricultural and other [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs | 1,762,000 | 852,000 | 9,102,000 | 1,836,000 |
Loans and Leases Receivable, Gross | 1,496,021,000 |  | 1,496,021,000 |  | 1,211,706,000
Loans and Leases Receivable, Net of Deferred Income | 1,496,021,000 |  | 1,496,021,000 |  | 1,211,706,000
Financing Receivable, before Allowance for Credit Loss | 1,496,021,000 |  | 1,496,021,000 |  | 1,211,706,000
Commercial, financial, agricultural and other [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 2,112,000 |  | 2,112,000 |  | 1,233,000
Commercial, financial, agricultural and other [Member] | Time and Demand Loans |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs | 954,000 | 321,000 | 7,424,000 | 604,000 |
Loans and Leases Receivable, Gross | 1,189,604,000 |  | 1,189,604,000 |  | 1,023,824,000
Loans and Leases Receivable, Net of Deferred Income | 1,189,604,000 |  | 1,189,604,000 |  | 1,023,824,000
Loans And Leases Receivable, Paycheck Protection Program | 900,000 |  | 900,000 |  | 4,300,000
Financing Receivable, before Allowance for Credit Loss | 1,189,604,000 |  | 1,189,604,000 |  | 1,023,824,000
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 1,630,000 |  | 1,630,000 |  | 1,121,000
Commercial Real Estate [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs | 172,000 | 1,335,000 | 1,689,000 | 1,887,000 |
Loans and Leases Receivable, Gross | 3,050,084,000 |  | 3,050,084,000 |  | 2,425,012,000
Loans and Leases Receivable, Net of Deferred Income | 3,050,084,000 |  | 3,050,084,000 |  | 2,425,012,000
Financing Receivable, before Allowance for Credit Loss | 3,050,084,000 |  | 3,050,084,000 |  | 2,425,012,000
Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 2,436,000 |  | 2,436,000 |  | 7,870,000
Commercial Real Estate [Member] | Multifamily |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Charge-offs | 0 | $ 0 | 0 | 411,000 |
Loans and Leases Receivable, Gross | 537,565,000 |  | 537,565,000 |  | 431,151,000
Loans and Leases Receivable, Net of Deferred Income | 537,565,000 |  | 537,565,000 |  | 431,151,000
Financing Receivable, before Allowance for Credit Loss | 537,565,000 |  | 537,565,000 |  | 431,151,000
Commercial Real Estate [Member] | Multifamily | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss | 117,000 |  | $ 117,000 |  | 202,000
Loans to individuals [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Non Accrual Status Of Loans After Number Of Days Past Due |  |  | 150 days |  |
Nonaccrual Commercial Loans [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans Held for sale, Amount | $ 0 |  | $ 0 |  | $ 0
Loans and Leases Receivable, Gain (Loss) on Sales, Net |  |  | $ 0 | $ 0 |

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