LEASES - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) lease	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) lease	Jun. 30, 2025 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease, weighted average remaining lease term (years)	5 years 6 months 14 days		5 years 6 months 14 days
Operating lease, weighted average discount rate	3.59%		3.59%
Operating lease, rent expense	$ 300		$ 500
Operating lease not yet commenced | lease	0		0
Finance lease, weighted average remaining lease term (years)	10 years 5 months 8 days		10 years 5 months 8 days
Finance lease, weighted average discount rate	4.12%		4.12%
Finance lease not yet commenced | lease	1		1
2 Rush Street, Schenectady, New York | Director
Lessee, Lease, Description [Line Items]
Operating lease, rent expense	$ 28	$ 28	$ 55	$ 55
Monthly rent and common area maintenance expense			$ 9