XML 90 R80.htm IDEA: XBRL DOCUMENT v3.21.1
LEASES - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Lessee Lease Description [Line Items]      
Operating lease right-of-use assets $ 10,186,000   $ 9,421,000
Operating lease liabilities $ 10,509,000   $ 9,737,000
Weighted average discount rate 3.02%   3.11%
Weighted average lease term 6 years 8 months 1 day   6 years 3 days
Operating lease costs $ 701,000 $ 827,000  
Variable lease costs $ 84,000 $ 89,000  
Minimum [Member]      
Lessee Lease Description [Line Items]      
Remaining lease term 3 months   1 month
Maximum [Member]      
Lessee Lease Description [Line Items]      
Remaining lease term 16 years   16 years