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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