CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,412	$ 2,411	$ 8,564	$ 7,143
Adjustments to reconcile net income to net cash provided by operating activities:
Net accretion of acquisition accounting estimates			(347)
Provision for credit losses	345	605	1,746	1,430
Depreciation and amortization			1,195	1,856
Net amortization of securities			612	(17)
Stock-based compensation expense			748	262
Deferred income tax expense			3,075	4,008
(Gains) on sales of securities	(5)	(30)	(5)	(31)
Losses on disposals of premises and equipment			2
(Gains) losses on sales of other real estate owned			(3)	125
Write-downs of other real estate owned			296	75
Net changes in:
Accrued interest receivable			(447)	(15)
Other assets			(2,236)	(1,602)
Accrued interest payable			(15)	(32)
Other liabilities			543	(272)
Net cash provided by operating activities			13,728	12,930
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities and principal payments of investment securities available for sale			35,957	47,373
Proceeds from sales of securities available for sale				3,961
Purchases of investment securities available for sale			(84,495)	(12,142)
Proceeds from maturities and principal payments of investment securities held to maturity			479	376
Net change in loans			(53,834)	(68,171)
Purchases of premises and equipment			(1,035)	(542)
Proceeds from sales of other real estate owned			470	3,454
Cash received in branch acquisition (net of cash paid)			64,045
Net cash used in investing activities			(38,413)	(25,691)
CASH FLOWS FROM FINANCING ACTIVITIES:
Noninterest-bearing deposits			29,883	26,874
Interest-bearing deposits			(33,584)	(10,042)
Short-term borrowings			(1,734)	(1,672)
Proceeds from the issuance of common stock				53
Common stock dividends paid			(1,902)	(1,138)
Net cash (used in) provided by financing activities			(7,337)	14,075
Net (decrease) increase in cash and cash equivalents			(32,022)	1,314
Cash and cash equivalents at beginning of period			75,938	73,811	$ 73,811
Cash and cash equivalents at end of period	$ 43,916	$ 75,125	43,916	$ 75,125	75,938
Supplemental cash flows information:
Interest paid			1,738		1,895
Income taxes paid			2,000		588
Transfers from loans to other real estate owned			95		1,599
Change in unrealized (gains) on securities available for sale			1,550		$ 2,596
Amortization of unrealized loss on securities transferred from available for sale to held to maturity			23
Tangible assets acquired (net of cash received)			129,188
Identifiable intangible assets acquired			3,954
Liabilities assumed			$ 212,463