INCOME TAXES - (Effective Federal and State Tax Rates to Income before Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Computed expected tax expense provision, at federal rate	$ 150	$ 4,244	$ 3,124
State tax, net of federal tax benefit	(122)	761	187
Tax-exempt interest	(3)	(134)	(429)
Income subject to dividends-received deduction	(34)	(13)	(76)
Return to provision	(307)	158	329
Rate changes	0	0	297
Executive compensation	230	436	185
Meals and entertainment	43	28	76
Uncertain tax position	(203)	0	0
Other	(52)	18	(108)
Total income tax expense (benefit)	$ (298)	$ 5,498	$ 3,585

Effective Income Tax Rate Reconciliation, Executive Compensation, Amount

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