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v3.23.1

Loans and Allowance for Credit Losses - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 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 | $ 1,883,000 | $ 1,623,000 |
Unfunded commitments related to nonperforming loans | 200,000 |  | $ 200,000
Off balance sheet reserve to nonperforming loans | 0 |  | 0
Total gains or losses included in earnings | 0 | 0 |
Recorded investment | 44,234,000 |  | 35,487,000
Loans with modifications to rate and payment due to reamortization |  | 10,000 |
Loans and Leases Receivable, Gross | 8,656,945,000 |  | 7,642,143,000
Loans and Leases Receivable, Net of Deferred Income | $ 8,656,945,000 |  | 7,642,143,000
Forecasted Value, National Unemployment, Percent | 3.47% |  |
Financing Receivable, before Allowance for Credit Loss | $ 8,656,945,000 |  | 7,642,143,000
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery | 1,200,000 | 1,100,000 |
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 | 14,900,000 |  |
Net Deferred Fees |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans and Leases Receivable, Deferred Income | 6,700,000 |  | 5,900,000
Unearned Premiums and Discounts |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans and Leases Receivable, Deferred Income | (33,500,000) |  | (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 | $ 12,854,000 |  | 15,896,000
Weighted average [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Forecasted Value, National Unemployment, Percent | 4.42% |  |
Maximum [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Forecasted Value, National Unemployment, Percent | 4.84% |  |
Time and Demand Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | $ 255,000 |  |
Loans and Leases Receivable, Gross | 1,254,315,000 |  | 1,023,824,000
Multifamily |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | 0 |  |
Loans and Leases Receivable, Gross | 484,193,000 |  | 431,151,000
Commercial, financial, agricultural and other [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | 663,000 | 475,000 |
Loans and Leases Receivable, Gross | 1,471,079,000 |  | 1,211,706,000
Loans and Leases Receivable, Net of Deferred Income | 1,471,079,000 |  | 1,211,706,000
Financing Receivable, before Allowance for Credit Loss | 1,471,079,000 |  | 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 | 1,470,000 |  | 1,233,000
Commercial, financial, agricultural and other [Member] | Time and Demand Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | 255,000 | 144,000 |
Loans and Leases Receivable, Gross | 1,254,315,000 |  | 1,023,824,000
Loans and Leases Receivable, Net of Deferred Income | 1,254,315,000 |  | 1,023,824,000
Loans And Leases Receivable, Paycheck Protection Program | 5,300,000 |  | 4,300,000
Financing Receivable, before Allowance for Credit Loss | 1,254,315,000 |  | 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 | 1,462,000 |  | 1,121,000
Commercial Real Estate [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | 0 | 0 |
Loans and Leases Receivable, Gross | 2,991,930,000 |  | 2,425,012,000
Loans and Leases Receivable, Net of Deferred Income | 2,991,930,000 |  | 2,425,012,000
Financing Receivable, before Allowance for Credit Loss | 2,991,930,000 |  | 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 | 4,623,000 |  | 7,870,000
Commercial Real Estate [Member] | Multifamily |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Charge-offs | 0 | 0 |
Loans and Leases Receivable, Gross | 484,193,000 |  | 431,151,000
Loans and Leases Receivable, Net of Deferred Income | 484,193,000 |  | 431,151,000
Financing Receivable, before Allowance for Credit Loss | 484,193,000 |  | 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 | $ 68,000 |  | 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
Loans and Leases Receivable, Gain (Loss) on Sales, Net | $ 0 | $ 0 |

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