COMPREHENSIVE LOSS - Income tax (expense) benefit allocated (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
COMPREHENSIVE LOSS
Other comprehensive loss, before tax amount	$ 1,060	$ 594
Tax effect	(222)	(124)
Reclassification of accumulated other comprehensive loss	0	0
Accumulated Other Comprehensive Loss
COMPREHENSIVE LOSS
Other comprehensive loss, before tax amount	1,060	594
Tax effect	(222)	(124)
Other comprehensive loss, net	838	470
Unrealized (Losses) Gains on Available-for-Sale Securities
COMPREHENSIVE LOSS
Other comprehensive loss before reclassifications, before tax amount	674	91
Other comprehensive loss, before tax amount	674	91
Other comprehensive loss before reclassifications, tax (expense) benefit	(141)	(19)
Tax effect	(141)	(19)
Other comprehensive loss before reclassifications, net	533	72
Other comprehensive loss, net	533	72
Net Loss on Pension Plan
COMPREHENSIVE LOSS
Other comprehensive loss before reclassifications, before tax amount	386	503
Other comprehensive loss, before tax amount	386	503
Other comprehensive loss before reclassifications, tax (expense) benefit	(81)	(105)
Tax effect	(81)	(105)
Other comprehensive loss before reclassifications, net	305	398
Other comprehensive loss, net	$ 305	$ 398