Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Activities:
Net income	$ 7,804,000	$ 6,528,000	$ 5,701,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	1,870,000	1,065,000	1,617,000
Depreciation	1,658,000	1,485,000	1,235,000
Amortization of intangibles	126,000	100,000	62,000
Net amortization of security premiums	11,709,000	4,251,000	1,250,000
Gain on sales of investment securities	(1,046,000)	(325,000)	(168,000)
Earnings on cash surrender value of life insurance	(264,000)	(269,000)	(201,000)
Mortgage loans originated for sale	(42,888,000)	(26,083,000)	(16,775,000)
Proceeds from sales of mortgage loans originated for sale	43,810,000	26,539,000	17,088,000
Gain on sale of mortgage loans	(922,000)	(456,000)	(313,000)
SBA loans originated for sale	(5,872,000)	(3,484,000)	(1,168,000)
Proceeds from sales of SBA loans originated for sale	6,342,000	3,736,000	1,287,000
Gain on sale of SBA loans	(470,000)	(252,000)	(119,000)
Loss on write-down/disposal of property, plant, and equipment	142,000		18,000
Loss on sale / write-down of foreclosed assets	217,000	111,000	204,000
Restricted stock compensation expense	53,000	27,000
Deferred income tax (benefit) expense	(336,000)	997,000	(112,000)
Increase in accrued interest receivable	(115,000)	(367,000)	(354,000)
(Increase) decrease in other assets	(99,000)	333,000	(547,000)
Increase (decrease) in accrued interest payable	125,000	9,000	(44,000)
Increase (decrease) in other liabilities	427,000	(771,000)	9,000
Net Cash Provided By Operating Activities	22,271,000	13,174,000	8,670,000
Investing Activities:
Net decrease in interest-bearing time deposits with other financial institutions	4,317,000	1,455,000	1,741,000
Proceeds from the maturity of investment securities	16,110,000	11,940,000	13,585,000
Proceeds from the sale of investment securities	111,390,000	37,142,000	13,729,000
Purchases of investment securities	(142,861,000)	(35,858,000)	(43,633,000)
Net cash received from acquisition		8,095,000
Redemptions (purchases) of restricted investment in bank stocks	1,823,000	(576,000)	(212,000)
Net increase in loans and leases	(77,795,000)	(60,043,000)	(27,170,000)
Purchases of bank premises and equipment	(775,000)	(1,461,000)	(1,009,000)
Proceeds from sale of foreclosed assets	992,000	403,000	1,077,000
Net Cash Used In Investing Activities	(86,799,000)	(38,903,000)	(41,892,000)
Financing Activities:
Net increase in deposits	158,330,000	15,883,000	29,792,000
Net (decrease) increase in short-term borrowings	(31,596,000)	31,018,000	(23,255,000)
Common stock dividends paid	(2,875,000)	(1,785,000)	(1,575,000)
Employee Stock Purchase Plan	82,000	66,000	53,000
Long-term debt repayment	(26,724,000)	(16,226,000)	(184,000)
Proceeds from long-term debt borrowings			30,000,000
Deferred financing fees paid for subordinated debt issuance		(85,000)
Subordinated debt issuance		7,500,000
Net Cash Provided By Financing Activities	97,217,000	29,131,000	34,481,000
Net increase in cash and cash equivalents	32,689,000	3,402,000	1,259,000
Cash and cash equivalents, beginning of year	13,284,000	9,882,000	8,623,000
Cash and cash equivalents, end of year	45,973,000	13,284,000	9,882,000
Supplemental Disclosures of Cash Flow Information:
Interest paid	5,242,000	4,566,000	4,471,000
Income taxes paid	1,700,000	1,130,000	1,520,000
Supplemental Noncash Disclosures:
Loan transfers to foreclosed assets held for sale	248,000	1,135,000	881,000
Asset transfers to bank premises and equipment held for sale	$ 1,894,000
Phoenix Bancorp Inc. [Member]
Supplemental Noncash Disclosures:
Common stock issued to Phoenix shareholders		11,292,000
Assets Acquired:
Securities		11,331,000
Loans		110,363,000
Restricted stock		509,000
Property and equipment		1,792,000
Deferred income taxes		503,000
Accrued interest receivable		388,000
Core deposit and other intangible assets		578,000
Bank-owned life insurance		3,673,000
Other assets		624,000
Assets acquired		129,761,000
Liabilities Assumed:
Deposits		123,238,000
Accrued interest payable		32,000
Long-term debt		3,570,000
Other liabilities		876,000
Liabilities assumed		127,716,000
Equity Acquired:
Preferred stock		1,750,000
Series B Preferred Stock [Member]
Financing Activities:
Preferred stock dividends and redemption premium paid		(473,000)	$ (350,000)
Preferred stock redemption		(5,000,000)
Series C Preferred Stock [Member]
Financing Activities:
Preferred stock redemption		(1,750,000)
Preferred stock dividends paid		$ (17,000)