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v3.22.4

DERIVATIVES - Additional Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) Contract | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net interest income (expense) | $ 48,040,000 | $ 45,525,000 | $ 42,893,000 | $ 39,622,000 | $ 37,212,000 | $ 35,211,000 | $ 33,845,000 | $ 31,793,000 | $ 176,080,000 | $ 138,061,000 | $ 127,602,000
Pre-tax loss on the termination of the interest rate swaps |  |  |  |  |  |  |  |  |  | 842,000 |
Swap valuation allowance |  |  |  |  |  |  |  |  | 673,000 | 2,243,000 |
Accrued interest receivable | 25,157,000 |  |  |  | 21,589,000 |  |  |  | 25,157,000 | 21,589,000 |
Unrealized gain |  |  |  |  |  |  |  |  | 6,000,000.0 |  |
Not Designated as Hedging Instrument [Member] | Commercial Real Estate Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Swap valuation provision placed on non-accrual status |  |  |  |  |  |  |  |  |  | 2,100 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount | 290,000,000.0 |  |  |  | 230,000,000.0 |  |  |  | 290,000,000.0 | 230,000,000.0 |
Net interest income (expense) |  |  |  |  |  |  |  |  | 851,000,000 | 4,400,000 |
Unrealized after-tax gain of accumulated other comprehensive income (loss) | $ 167,000,000 |  |  |  |  |  |  |  |  |  |
Unrealized gain |  |  |  |  |  |  |  |  | $ 3,290,000 | (3,479,000) |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  | $ 100,000,000.0 |  |  |  |  |  |  |
Number of forward contract | Contract |  |  |  | 4 |  |  |  |  |  |  |
Derivative, maturity year |  |  |  | 2023 |  |  |  |  |  |  |
Derivative, maturity term |  |  |  | 5 years |  |  |  |  |  |  |
Weighted-average fixed pay rate | 2.25% |  |  |  |  |  |  |  | 2.25% |  |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  | 230,000,000 |  |  |  |  | 230,000,000 |
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount | $ 290,000,000 |  |  |  |  |  |  |  | $ 290,000,000 |  |
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notional amount | 612,211,000 |  |  |  | 702,210,000 |  |  |  | 612,211,000 | 702,210,000 |
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued interest payable |  |  |  |  | $ 4,800 |  |  |  |  | $ 4,800 |
Loan Level Swaps [Member] | Not Designated as Hedging Instrument [Member] | Other Assets [Member] |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued interest receivable | $ 1,100 |  |  |  |  |  |  |  | $ 1,100 |  |

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