ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Adjusted Balance Sheet to Apply Adopted Guidance (Details) - USD ($) $ in Thousands	Dec. 31, 2023		Jan. 01, 2023	Dec. 31, 2022		Dec. 31, 2021
Assets
Allowance for credit losses	$ (23,931)	[1]	$ (20,653)	$ (17,183)	[1]	$ (13,732)
Allowance for credit losses: held-to-maturity securities			(71)
Net deferred tax asset	6,407		8,617	6,914
Liabilities
Allowance for credit losses on off-balance sheet exposures			3,900
Shareholders' Equity
Retained earnings	$ 51,042		46,568	$ 51,887
Previously Reported
Assets
Allowance for credit losses			(17,183)
Allowance for credit losses: held-to-maturity securities			0
Net deferred tax asset			6,914
Liabilities
Allowance for credit losses on off-balance sheet exposures			419
Shareholders' Equity
Retained earnings			51,887
Cumulative effect adjustment amount
Assets
Allowance for credit losses			(3,470)
Allowance for credit losses: held-to-maturity securities			(71)
Net deferred tax asset			1,703
Liabilities
Allowance for credit losses on off-balance sheet exposures			3,481
Shareholders' Equity
Retained earnings			$ (5,319)

[1] Allowance for credit loss amounts for periods prior to the ASC 326 adoption date of January 1, 2023 are reported in accordance with previously applicable GAAP