COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS OF CREDIT RISK (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Balance Sheet
Operating lease asset classified as other assets		$ 2,714	$ 2,875		$ 3,570
Operating lease liability classified as other liabilities		2,902	3,098
Income Statement
Operating lease cost classified as occupancy and equipment expense		$ 767	$ 756	$ 753
Weighted average lease term, in years		4 years 2 months 8 days	5 years 7 months 17 days
Weighted average discount rate	[1]	2.97%	2.97%
Operating cash flow		$ 769	$ 754

[1] The discount rate was developed by using the fixed rate credit advance borrowing rate at the Federal Home Loan Bank of San Francisco for a term correlating to the remaining life of each lease.