Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities
Net income	$ 12,083	$ 12,357	$ 11,335
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,035	1,832	990
Provision for loan losses	1,250	1,300	1,130
Net (gain) loss on investment debt and equity securities	(609)	(1,755)	76
Net unrealized loss (gain) on equity securities	47	(770)	336
Net gain on sale of other real estate owned, repossessed assets and premises and equipment		(51)	(1)
Net gain on sale of loans	(1,724)	(195)	(105)
Proceeds from sales of residential mortgages held-for-sale	35,605	7,324	4,478
Origination of residential mortgages held-for-sale	(39,474)	(8,106)	(4,373)
Income on bank-owned life insurance	(294)	(292)	(291)
Stock-based compensation expense	112	118	117
Deferred income tax (benefit) provision	(59)	319	258
Net increase (decrease) in income taxes payable	215	(29)	(230)
Net decrease (increase) in accrued interest receivable	(1,997)	24	693
Amortization of mortgage servicing rights and change in valuation allowance	157	65	65
Net amortization of premiums and discounts on investment securities	2,473	1,501	1,434
Net (decrease) increase in accrued interest payable	(559)	460	65
Operating lease payments	(654)	(583)
Decrease in other assets	525	423	73
(Decrease) increase in other liabilities	(1,531)	(44)	601
Net cash provided by operating activities	7,601	13,898	16,651
Investing Activities
Proceeds from payments, maturities and calls of investment debt securities available-for-sale	207,245	68,174	48,074
Proceeds from the sale of investment securities available-for-sale	6,930	47,851	4,159
Purchases of investment securities available-for-sale	(295,734)	(113,688)	(26,473)
Proceeds from the sale of equity securities	4,767	11,838	4,902
Purchases of equity securities	(7,914)	(9,030)	(9,763)
Proceeds from redemption of investment in restricted bank stock	1,495	9,675	10,320
Purchase of restricted bank stock	(1,463)	(9,951)	(9,616)
Net increase in loans	(99,737)	(35,415)	(52,302)
Net purchases of premises and equipment	(722)	(3,086)	(2,413)
Proceeds from sales of other real estate owned and repossessed assets		58	1
Net cash used in investing activities	(185,133)	(33,574)	(33,111)
Financing Activities
Net increase (decrease) in non-interest bearing deposits	58,314	17,655	(597)
Net increase in interest-bearing deposits	131,893	4,607	22,247
Net increase (decrease) in short-term borrowings	2,907	5,059	(4,884)
Issuance of long-term debt	10,000
Treasury stock purchase	(130)
Cash dividends paid, net of reinvestment	(4,226)	(4,086)	(3,863)
Proceeds from issuance of common stock	497	591	684
Net cash provided by financing activities	199,255	23,826	13,587
Increase (decrease) in cash and cash equivalents	21,723	4,150	(2,873)
Cash and cash equivalents at beginning of year	17,608	13,458	16,331
Cash and cash equivalents at end of period	39,331	17,608	13,458
Supplemental Cash Flow Disclosures
Interest paid	7,004	9,664	8,120
Income taxes paid, net of refunds received	2,406	2,560	$ 1,529
Non-cash transactions:
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 1,086	$ 2,407