LEASES - Lease expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
LEASES
Retained earnings	$ (56,956)	$ (54,568)
Components of lease expense:
Operating lease expense	9,350	9,085
Finance lease amortization of assets	679	48
Finance lease interest on lease liabilities	296	11
Short-term lease expense	319	156
Variable lease expense	1,180	573
Total lease expense	$ 11,824	$ 9,873

Amount of interest expense on finance lease liability.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of accumulated undistributed earnings (deficit).

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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