Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities
Net income	$ 12,689,000	$ 11,588,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	350,000	93,000
Depreciation of bank premises and equipment	(552,000)	(595,000)
Amortization of intangibles		37,000
Amortization of premiums and accretion of discounts, net	52,000	43,000
Gains on disposal of fixed assets	(6,000)
Gain on sales and calls of securities available for sale, net	(182,000)
Loss and write-down on other real estate owned, net	5,000	464,000
Gain on sale of repossessed assets, net	4,000
Increase in cash value of bank-owned life insurance	(681,000)	(678,000)
Origination of mortgage loans held for sale	(15,191,000)	(11,032,000)
Proceeds from sale of mortgage loans held for sale	13,127,000	10,430,000
Gain on sale of mortgage loans held for sale	(197,000)	(165,000)
Write-down of insurance receivable		2,010,000
Lease expense – Operating	7,000
Net change in:
Accrued interest receivable	927,000	(292,000)
Other assets	409,000	323,000
Accrued interest payable	44,000	103,000
Other liabilities	452,000	726,000
Net cash provided by operating activities	12,361,000	14,245,000
Cash Flows from Investing Activities
Net change in interest-bearing deposits	(91,999,000)	22,905,000
Proceeds from calls, principal payments, sales and maturities of securities available for sale	235,900,000	22,424,000
Proceeds from calls, principal payments and maturities of securities held to maturity		6,430,000
Purchase of securities available for sale	(134,854,000)	(24,263,000)
Net change in restricted stock		(1,508,000)
Purchase of loan participations	(673,000)	(7,726,000)
Collection of loan participations	3,219,000	856,000
Loan originations and principal collections, net	(15,788,000)	(27,382,000)
Proceeds from sale of other real estate owned	592,000	139,000
Proceeds from sale of repossessed assets	40,000
Recoveries on loans charged off	218,000	182,000
Proceeds from sale and purchases of premises and equipment, net	(893,000)	(1,101,000)
Net cash used in investing activities	(4,238,000)	(9,044,000)
Cash Flows from Financing Activities
Net change in time deposits	22,787,000	(18,717,000)
Net change in other deposits	(6,702,000)	(18,841,000)
Common stock repurchased	(18,525,000)
Cash dividends paid	(4,359,000)	(4,036,000)
Borrowing advances		35,000,000
Net cash used in financing activities	(6,799,000)	(6,594,000)
Net change in cash and due from banks	1,324,000	(1,393,000)
Cash and due from banks at beginning of period	12,882,000	12,926,000
Cash and due from banks at end of period	14,206,000	11,533,000
Supplemental Disclosures of Cash Flow Information
Interest paid on deposits	5,528,000	3,368,000
Income taxes paid	1,756,000	1,054,000
Supplemental Disclosure of Noncash Activities
Loans charged against the allowance for loan losses	696,000	487,000
Loans transferred to OREO	15,000
Unrealized net gain (loss) on securities available for sale	10,056,000	(6,560,000)
Unrealized net gain on securities transferred from held to maturity to available for sale		1,128,000
Fair value of securities transferred from held to maturity to available for sale		119,790,000
Accounting Standards Update 2016-02 [Member]
Supplemental Disclosure of Noncash Activities
Increase in operating lease right-of-use asset upon adoption of ASU 2016-02	968,000
Increase in operating lease liability upon adoption of ASU 2016-02	$ 968,000