LOANS - Summary of Nonaccrual Loans (Details) - USD ($) $ in Thousands |
Sep. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Accounts Notes And Loans Receivable [Line Items] | ||
| Nonaccrual with Allowance for Credit Losses | $ 4,788 | $ 5,568 |
| Nonaccrual with No Allowance for Credit Losses | 13,918 | 15,060 |
| Commercial and Industrial Loans | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Nonaccrual with Allowance for Credit Losses | 1,845 | 2,581 |
| Nonaccrual with No Allowance for Credit Losses | 4,636 | 2,557 |
| Real Estate Loans | Residential Properties | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Nonaccrual with Allowance for Credit Losses | 2,943 | 2,987 |
| Nonaccrual with No Allowance for Credit Losses | 7,709 | 7,959 |
| Real Estate Loans | Commercial Real Estate | ||
| Accounts Notes And Loans Receivable [Line Items] | ||
| Nonaccrual with No Allowance for Credit Losses | $ 1,573 | $ 4,544 |