CONDENSED FINANCIAL STATEMENTS OF PARENT COMPANY (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net income	$ 5,295,127	$ 320,614
Changes in operating assets and liabilities
Prepaid and other assets	(189,640)	347,874
Net cash (used for) operating activities	6,920,133	5,084,893
Cash flows from investing activities -
Net cash provided by investing activities	(62,129,562)	(24,351,858)
Cash flows from financing activities -
Second-step conversion proceeds	15,936,416	0
Net cash provided by financing activities	51,795,909	24,267,856
Net (decrease) increase in cash and due from banks	(3,413,520)	5,000,891
Cash and cash equivalents, beginning of period	19,824,864	14,823,973
Cash and cash equivalents, end of period	16,411,344	19,824,864
Parent Company [Member]
Cash flows from operating activities
Net income	5,295,127	320,614
Adjustments to reconcile net income to net cash from operating activities:
Equity in income of subsidiary	4,847,989	446,390
Changes in operating assets and liabilities
Income taxes payable	(645,924)	(5,621)
Prepaid and other assets	(437,160)	(2,742)
Accrued interest and other liabilities	(15,421)	(34,579)
Other, net	0	2
Net cash (used for) operating activities	(651,367)	(168,716)
Cash flows from investing activities -
Principal collections on ESOP note receivable	30,707	47,903
Net cash provided by investing activities	30,707	47,903
Cash flows from financing activities -
Second-step conversion proceeds	18,794,840	0
ESOP shares purchased	(1,503,580)	0
Conversion costs	(1,363,693)	0
Capital injection into subsidiary	(8,722,655)	0
Net cash provided by financing activities	7,204,912	0
Net (decrease) increase in cash and due from banks	6,584,252	(120,813)
Cash and cash equivalents, beginning of period	394,074	514,887
Cash and cash equivalents, end of period	$ 6,978,326	$ 394,074