NET DEFERRED TAX ASSET AND INCOME TAXES - Reconciliation of expected federal statutory tax to income tax provision (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax at statutory federal tax rate	21.00%	34.00%	34.00%
State tax, net of federal tax benefit	1.37%	1.74%	2.80%
Tax exempt income and dividends received deduction	(3.84%)	(7.00%)	(9.07%)
Remeasurement of net deferred tax assets		4.85%
BOLI interest and gain	(1.35%)	(1.34%)	(1.29%)
Other	(0.95%)	(0.47%)	1.48%
Change in valuation allowance
Effective income tax rates	16.23%	31.78%	27.92%