XML 60 R48.htm IDEA: XBRL DOCUMENT v3.21.1
LEASES - Narrative (Details) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Lessee, Lease, Description [Line Items]    
Operating lease, weighted average remaining lease term (in years) 9 years 10 months 24 days  
Operating lease, weighted average discount rate 3.32%  
Operating lease, rent expense $ 200,000  
Operating lease not yet commenced $ 0  
Finance lease, weighted average remaining lease term (in years) 11 years 9 months 18 days  
Finance lease, weighted average discount rate 3.36%  
1365 New Scotland Road, Slingerlands, New York | Director    
Lessee, Lease, Description [Line Items]    
Operating lease, rent expense $ 13,000 $ 12,000
Operating lease, monthly rent expense 3,000  
2 Rush Street, Schenectady, New York | Director    
Lessee, Lease, Description [Line Items]    
Operating lease, rent expense 26,000 $ 24,000
Operating lease, monthly rent expense $ 7,000