INCOME TAXES - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Tax Contingency [Line Items]
Tax expense for deferred tax asset revaluation	$ 5,800,000
Valuation allowance	0
Deferred tax asset, net	8,758,000	$ 11,266,000
Accrued interest or penalties	0
Federal | Tax Years Beginning
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 4,700,000	5,000,000
Patriot Bancshares Inc
Income Tax Contingency [Line Items]
Liability for uncertain tax positions		$ 1,600,000