Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities
Net income	$ 7,644,000	$ 8,076,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	857,000	556,000
Depreciation of bank premises and equipment	393,000	376,000
Intangible assets amortization	178,000	538,000
Amortization of premiums and accretion of discounts, net	48,000	60,000
Loss on disposal of premises and equipment		6,000
Gain on sales and calls of securities available for sale, net	(52,000)	(3,000)
Gain on calls of securities held to maturity, net	(46,000)
Loss and write-down on other real estate owned, net	55,000	392,000
Increase in cash value of bank-owned life insurance	(298,000)	(299,000)
Originations of mortgage loans held for sale	(6,431,000)	(7,458,000)
Proceeds from sale of mortgage loans held for sale	6,508,000	7,008,000
Gain on sale of mortgage loans held for sale	(106,000)	(112,000)
Net change in:
Accrued interest receivable	510,000	(109,000)
Other assets	(1,308,000)	(627,000)
Accrued interest payable		(7,000)
Other liabilities	(133,000)	552,000
Net cash provided by operating activities	7,819,000	8,949,000
Cash Flows from Investing Activities
Net change interest-bearing deposits	54,919,000	18,730,000
Proceeds from calls, principal payments, sales and maturities of securities available for sale	122,457,000	32,342,000
Proceeds from calls, principal payments and maturities of securities held to maturity	13,591,000	5,682,000
Purchases of securities available for sale	(183,355,000)	(32,957,000)
Net change in restricted stock	(41,000)	(40,000)
Purchases of loan participations	(1,446,000)
Collections of loan participations	584,000	1,943,000
Loan originations and principal collections, net	(12,097,000)	(24,814,000)
Proceeds from sale of other real estate owned	685,000	531,000
Recoveries on loans charged off	92,000	88,000
Proceeds from sale and purchases of premises and equipment, net	(92,000)	(129,000)
Net cash provided by (used in) investing activities	(4,703,000)	1,376,000
Cash Flows from Financing Activities
Net change in time deposits	(12,843,000)	(13,676,000)
Net change in other deposits	15,722,000	5,404,000
Cash dividends paid	(3,827,000)	(3,686,000)
Stock options exercised		92,000
Net cash used in financing activities	(948,000)	(11,866,000)
Net change in cash and due from banks	2,168,000	(1,541,000)
Cash and due from banks at beginning of period	12,152,000	12,894,000
Cash and due from banks at end of period	14,320,000	11,353,000
Supplemental Disclosures of Cash Flow Information
Interest paid on deposits and borrowed funds	2,131,000	2,145,000
Income taxes paid	2,250,000	2,560,000
Supplemental Disclosure of Noncash Activities
Loans charged against the allowance for loan losses	1,051,000	776,000
Loans transferred to other real estate owned		620,000
Unrealized net gain (loss) on securities available for sale	$ 6,150,000	$ (4,944,000)