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LEASE COMMITMENTS - Additional information (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Description Of Accounting Treatment For Short Term Operating Lease	As of December 31, 2021 and 2020, the Company had no short-term leases.
Net occupancy expense	$ 2,620,000	$ 2,510,000	$ 2,497,000
Director
Property, Plant and Equipment [Line Items]
Area of lease | ft²	1,049
Lease income received from related party	$ 13,000	$ 13,000	$ 13,000

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Represents the area of property leased to related party during the period.

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Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.

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Amount of transactions with related party during the financial reporting period.

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