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LEASES, Lease Assets, Liabilities and Lease Cost (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Assets [Abstract] |  |  |  |
Operating lease assets |  | $ 9,742,000 | $ 10,438,000 |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Operating lease assets | Operating lease assets |
Financing lease assets |  | $ 31,000 | $ 37,000 |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] |  | Financing lease assets | Financing lease assets |
Total assets |  | $ 9,773,000 | $ 10,475,000 |
Current [Abstract] |  |  |  |
Current portion of operating lease liabilities |  | $ 2,881,000 | $ 3,025,000 |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Current portion of operating lease liabilities | Current portion of operating lease liabilities |
Current portion of finance lease liabilities |  | $ 15,000 | $ 15,000 |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] |  | Current portion of finance lease liabilities | Current portion of finance lease liabilities |
Noncurrent [Abstract] |  |  |  |
Operating lease liabilities, non-current |  | $ 7,469,000 | $ 8,194,000 |
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Operating lease liabilities, non-current | Operating lease liabilities, non-current |
Finance lease liabilities, non-current |  | $ 1,000 | $ 15,000 |
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] |  | Finance lease liabilities, non-current | Finance lease liabilities, non-current |
Total lease liabilities |  | $ 10,366,000 | $ 11,249,000 |
Lease Cost [Abstract] |  |  |  |
Operating lease asset impairment expense |  | 0 |  |
Finance [Abstract] |  |  |  |
Total lease cost |  | 4,580,000 | 4,664,000 |
Maximum [Member] |  |  |  |
Finance [Abstract] |  |  |  |
Finance lease costs |  |  |  | $ 1,000
ASU 2016-02 [Member] | Maximum [Member] |  |  |  |
Lease Cost [Abstract] |  |  |  |
Operating lease asset impairment expense |  |  | 0 |
Operating Expenses [Member] |  |  |  |
Lease Cost [Abstract] |  |  |  |
Operating lease cost |  | 3,737,000 | 3,664,000 |
Short-term lease cost |  | 38,000 | 45,000 |
Variable lease cost | [1] | 797,000 | 946,000 |
Finance [Abstract] |  |  |  |
Amortization of lease assets | [2] | 7,000 | 7,000 |
Impairment Expense [Member] |  |  |  |
Lease Cost [Abstract] |  |  |  |
Operating lease cost |  | 0 | 0 |
Interest Expense [Member] |  |  |  |
Finance [Abstract] |  |  |  |
Interest on lease liabilities | [2] | $ 1,000 | $ 2,000 |
[1] | Variable lease cost includes payment for certain real estate taxes, insurance, common area maintenance, and other charges related to lease agreements, which are not included in the measurement of the operating lease liabilities.
[2] | Finance lease costs were less than $1,000 during the 2020 year.

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