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LOANS - Investment in Impaired Loans (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | $ 79,318
Total interest included in income | $ 1,932 | $ 2,062 | 1,843
Commercial & industrial |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 36,567
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 87
Total interest included in income |  |  | 1,013
Lease financing |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 225
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 0
Total interest included in income |  |  | 0
Construction real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 6
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 0
Total interest included in income |  |  | 0
Commercial real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 20,096
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 31
Total interest included in income |  |  | 388
Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 16,361
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 12
Total interest included in income |  |  | 319
Home equity |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 5,893
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 0
Total interest included in income |  |  | 121
Installment |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 170
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 0
Total interest included in income |  |  | 2
Nonperforming Financing Receivables With Related Allowance |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 6,563
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method |  |  | 130
Loans with no related allowance recorded [member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 72,755
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 1,713
Loans with no related allowance recorded [member] | Commercial & industrial |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 31,846
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 926
Loans with no related allowance recorded [member] | Lease financing |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 168
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 0
Loans with no related allowance recorded [member] | Construction real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 6
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 0
Loans with no related allowance recorded [member] | Commercial real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 18,757
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 357
Loans with no related allowance recorded [member] | Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 15,915
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 307
Loans with no related allowance recorded [member] | Home equity |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 5,893
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 121
Loans with no related allowance recorded [member] | Installment |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 170
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method |  |  | 2
Nonperforming Financing Receivables With Related Allowance | Commercial & industrial |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 4,721
Nonperforming Financing Receivables With Related Allowance | Lease financing |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 57
Nonperforming Financing Receivables With Related Allowance | Construction real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 0
Nonperforming Financing Receivables With Related Allowance | Commercial real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 1,339
Nonperforming Financing Receivables With Related Allowance | Residential real estate |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 446
Nonperforming Financing Receivables With Related Allowance | Home equity |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | 0
Nonperforming Financing Receivables With Related Allowance | Installment |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Average Recorded Investment |  |  | $ 0

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