Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net cash flow from operating activities
Net income	$ 4,350	$ 4,871	$ 4,378
Adjustments to reconcile net income to net cash flow from operating activities:
Depreciation, amortization and accretion	2,735	2,770	2,534
Provision for loan losses	100	50	455
Investment securities available-for-sale gains, net	(7)	(466)	(75)
Originations of mortgage banking loans held for sale	(51,730)	(61,003)	(39,191)
Proceeds from the sale of mortgage banking loans	54,578	61,730	36,575
Mortgage banking gains, net	(1,074)	(1,248)	(785)
Decrease (increase) in trading account		8,134	(273)
Earnings on bank-owned life insurance	(1,203)	(328)	(338)
Other real estate gains	(170)	(13)
Changes in:
Interest receivable	(152)	(401)	83
Interest payable	37	33	7
Deferred taxes	1,218	(129)	303
Equity compensation	143	75
Federal income tax receivable	(243)	281	(260)
Other assets and liabilities	551	(254)	433
Net cash flow from operating activities	9,133	14,102	3,846
Cash deficit from investing activities
Purchases of available-for-sale securities	(44,962)	(103,032)	(29,055)
Proceeds from sale of available-for-sale securities	44,801	50,862	12,291
Proceeds from call, maturity and principal payments on available-for-sale securities	17,255	21,203	23,708
Net increase in loans made to customers	(68,592)	(25,937)	(34,594)
Proceeds from sale of other real estate	650	121	41
Proceeds from bank-owned life insurance	1,829	280
Purchases of bank-owned life insurance	(900)
Contributions to partnership funds	(4,152)	(857)	(2,459)
Purchases of premises and equipment	(802)	(799)	(2,302)
Net cash deficit from investing activities	(54,873)	(58,159)	(32,370)
Cash flow from financing activities
Net increase in deposit accounts	46,001	43,446	39,643
Net change in short-term borrowings	(24)	203	(1,760)
Net change in Federal Home Loan Bank advances - short term	9,000	6,000	1,500
Proceeds from Federal Home Loan Bank advances - long term	12,000	2,000	4,000
Repayments of Federal Home Loan Bank advances - long term	(15,500)	(9,500)	(4,000)
Dividends paid	(1,726)	(1,237)	(1,082)
Treasury shares purchased	(237)		(1,850)
Net cash flow from financing activities	49,514	40,912	36,451
Net change in cash and cash equivalents	3,774	(3,145)	7,927
Cash and cash equivalents
Beginning of period	15,351	18,496	10,569
End of period	19,125	15,351	18,496
Cash paid during the period for:
Income taxes	1,050	625	1,010
Interest	3,153	2,885	2,600
Transfer of loans to other real estate owned	$ 480	$ 47	$ 62