CSB Bancorp (CSBB) 10-K 16 Mar 18 2017 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Mar. 16, 2018	Jun. 30, 2017
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	FY
Trading Symbol	CSBB
Entity Registrant Name	CSB BANCORP INC /OH
Entity Central Index Key	880,417
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		2,742,242
Entity Public Float			$ 75.4

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Cash and cash equivalents
Cash and due from banks	$ 17,255	$ 13,590
Interest-earning deposits in other banks	19,165	23,248
Total cash and cash equivalents	36,420	36,838
Securities
Available-for-sale, at fair value	97,752	103,875
Held-to-maturity; fair value of $25,491 in 2017 and $23,444 in 2016	25,758	23,883
Restricted stock, at cost	4,614	4,614
Total securities	128,124	132,372
Loans held for sale	246
Loans	516,830	475,449
Less allowance for loan losses	5,604	5,291
Net loans	511,226	470,158
Premises and equipment, net	9,244	8,749
Core deposit intangible	268	383
Goodwill	4,728	4,728
Bank-owned life insurance	13,218	10,361
Accrued interest receivable and other assets	3,589	6,389
TOTAL ASSETS	707,063	669,978
Deposits
Noninterest-bearing	173,671	167,824
Interest-bearing	409,588	372,961
Total deposits	583,259	540,785
Short-term borrowings	39,480	48,742
Other borrowings	11,409	12,385
Accrued interest payable and other liabilities	2,383	2,651
Total liabilities	636,531	604,563
SHAREHOLDERS' EQUITY
Common stock, $6.25 par value. Authorized 9,000,000 shares; issued 2,980,602 shares in 2017 and 2016	18,629	18,629
Additional paid-in capital	9,815	9,815
Retained earnings	47,535	42,629
Treasury stock at cost - 238,360 shares in 2017 and 2016	(4,784)	(4,784)
Accumulated other comprehensive loss	(663)	(874)
Total shareholders' equity	70,532	65,415
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 707,063	$ 669,978

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Held-to-maturity, fair value	$ 25,491	$ 23,444
Common stock, par value	$ 6.25	$ 6.25
Common stock, authorized shares	9,000,000	9,000,000
Common stock, shares issued	2,980,602	2,980,602
Treasury stock, at cost	238,360	238,360

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
INTEREST AND DIVIDEND INCOME
Loans, including fees	$ 23,097	$ 20,278	$ 18,548
Taxable securities	2,374	2,598	2,790
Nontaxable securities	680	646	563
Other	289	110	96
Total interest and dividend income	26,440	23,632	21,997
INTEREST EXPENSE
Deposits	1,344	1,006	1,081
Short-term borrowings	149	73	71
Other borrowings	495	394	415
Total interest expense	1,988	1,473	1,567
NET INTEREST INCOME	24,452	22,159	20,430
PROVISION FOR LOAN LOSSES	1,145	493	389
Net interest income, after provision for loan losses	23,307	21,666	20,041
NONINTEREST INCOME
Service charges on deposit accounts	1,133	1,166	1,203
Trust services	687	861	860
Debit card interchange fees	1,193	1,087	988
Securities gains		1	56
Gain on sale of loans, net	296	309	363
Earnings on bank-owned life insurance	357	276	270
Other income	674	596	684
Total noninterest income	4,340	4,296	4,424
NONINTEREST EXPENSES
Salaries and employee benefits	10,009	9,354	8,819
Occupancy expense	869	973	1,027
Equipment expense	665	679	663
Professional and director fees	963	832	830
Financial institutions and franchise tax	523	427	400
Marketing and public relations	401	415	419
Software expense	879	799	801
Debit card expense	535	445	413
Amortization of intangible assets	116	121	125
FDIC insurance expense	225	282	357
Other expenses	2,131	1,928	1,942
Total noninterest expenses	17,316	16,255	15,796
INCOME BEFORE INCOME TAXES	10,331	9,707	8,669
FEDERAL INCOME TAX PROVISION	3,230	2,969	2,647
NET INCOME	$ 7,101	$ 6,738	$ 6,022
NET INCOME PER SHARE
Basic	$ 2.59	$ 2.46	$ 2.20
Diluted	$ 2.59	$ 2.46	$ 2.20

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 7,101	$ 6,738	$ 6,022
Other comprehensive income (loss)
Unrealized gains (losses) arising during the period	376	(1,221)	(551)
Amounts reclassified from accumulated other comprehensive income, held-to-maturity	108	530	403
Income tax effect at 34%	(164)	235	50
Reclassification adjustment for gains on available-for-sale securities included in net income		(1)	(56)
Income tax effect			19
Other comprehensive income (loss)	320	(457)	(135)
Total comprehensive income	$ 7,421	$ 6,281	$ 5,887

Consolidated Statements of Com6

Consolidated Statements of Comprehensive Income (Parenthetical)	Dec. 22, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Income tax rate	35.00%	34.00%	34.00%	34.00%

Consolidated Statements of Chan

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at beginning of period at Dec. 31, 2014	$ 57,450	$ 18,629	$ 9,884	$ 34,090	$ (4,871)	$ (282)
Net income	6,022			6,022
Other comprehensive income	(135)					(135)
Stock options issued	11		(38)		49
Cash dividends declared	(2,082)			(2,082)
Balance at end of period at Dec. 31, 2015	61,266	18,629	9,846	38,030	(4,822)	(417)
Net income	6,738			6,738
Other comprehensive income	(457)					(457)
Stock options issued	7		(31)		38
Cash dividends declared	(2,139)			(2,139)
Balance at end of period at Dec. 31, 2016	65,415	18,629	9,815	42,629	(4,784)	(874)
Net income	7,101			7,101
Reclassification of tax effect from AOCI to retained earnings				109		(109)
Other comprehensive income	320					320
Cash dividends declared	(2,304)			(2,304)
Balance at end of period at Dec. 31, 2017	$ 70,532	$ 18,629	$ 9,815	$ 47,535	$ (4,784)	$ (663)

Consolidated Statements of Cha8

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]
Stock options issued, shares		1,246	1,591
Cash dividends declared per share	$ 0.84	$ 0.78	$ 0.76

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 7,101	$ 6,738	$ 6,022
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of premises, equipment and software	865	905	916
Deferred income taxes	(167)	(4)	83
Provision for loan losses	1,145	493	389
Gain on sale of loans, net	(296)	(309)	(363)
Securities gains		(1)	(56)
Security amortization, net of accretion	556	802	575
Secondary market loan sale proceeds	10,790	10,985	12,414
Originations of secondary market loans held-for-sale	(10,793)	(10,682)	(12,083)
Bank-owned life insurance	(357)	(276)	(270)
Effects of changes in operating assets and liabilities:
Net deferred loan (fees) costs	(57)	(262)	(89)
Accrued interest receivable	(135)	103	(184)
Accrued interest payable	14	(4)	(4)
Other assets and liabilities	289	(1,521)	316
Net cash provided by operating activities	8,955	6,967	7,666
Securities:
Proceeds from repayments, available-for-sale	19,019	49,870	39,187
Proceeds from repayments, held-to-maturity	2,885	19,404	14,834
Purchases, available-for-sale	(13,028)	(27,741)	(69,684)
Purchases, held-to-maturity	(4,700)	(8,998)	(10,000)
Proceeds from sale of securities		1	1,576
Loan originations, net of repayments	(42,156)	(52,213)	(6,023)
Purchase of residential real estate loans			(5,964)
Proceeds from sale of other real estate		26
Property, equipment, and software acquisitions	(1,325)	(1,418)	(611)
Net cash used in investing activities	(39,305)	(21,069)	(36,685)
CASH FLOWS FROM FINANCING ACTIVITIES
Net change in deposits	42,474	15,743	24,967
Net change in short-term borrowings	(9,262)	144	1,971
Proceeds from other borrowings	10,000
Repayment of other borrowings	(10,976)	(1,080)	(1,488)
Cash dividends paid	(2,304)	(2,139)	(2,082)
Net cash provided by financing activities	29,932	12,668	23,368
NET DECREASE IN CASH AND CASH EQUIVALENTS	(418)	(1,434)	(5,651)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	36,838	38,272	43,923
CASH AND CASH EQUIVALENTS AT END OF YEAR	36,420	36,838	38,272
Cash paid during the year for:
Interest	1,973	1,477	1,571
Income taxes	3,320	2,650	$ 2,180
Noncash investing activities:
Transfer of loans to other real estate owned		$ 72
Purchase of bank-owned life insurance	$ 2,500

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	NOTE 1 – SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES CSB Bancorp, Inc. (the “Company” or “CSB”) was incorporated in 1991 in the State of Ohio, and is a registered bank holding company. The Company’s wholly-owned subsidiaries are The Commercial and Savings Bank of Millersburg, Ohio (the “Bank”) and CSB Investment Services, LLC. The Company, through its subsidiaries, operates in one industry segment; the commercial banking industry. The Bank, an Ohio-chartered bank organized in 1879, provides financial services through its fifteen Banking Centers located in Holmes, Tuscarawas, Wayne, and Stark counties. These communities are the source of a substantial majority of the Bank’s deposit, loan, and trust activities. The majority of the Bank’s income is derived from commercial and retail lending activities, and investments in securities. Its primary deposit products are checking, savings, and term certificate accounts. Its primary lending products are residential real estate, commercial real estate, commercial, and installment loans. Substantially, all loans are secured by specific items of collateral including business assets, consumer assets, and real estate. Commercial loans are expected to be repaid with cash flow from business operations. Real estate loans are secured by both residential and commercial real estate. Significant accounting policies followed by the Company are presented below: USE OF ESTIMATES IN PREPARING FINANCIAL STATEMENTS In preparing the Consolidated Financial Statements, in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the Consolidated Balance Sheets and reported amounts of revenues and expenses during each reporting period. Actual results could differ from those estimates. The most significant estimates susceptible to change in the near term relate to management’s determination of the allowance for loan losses and the fair value of financial instruments. PRINCIPLES OF CONSOLIDATION The Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries. All significant inter-company balances and transactions have been eliminated in consolidation. The Bank has a trust department and the assets held by the Bank in fiduciary or agency capacities for its customers are not included in the Consolidated Balance Sheets as such items are not assets of the Bank. CASH AND CASH EQUIVALENTS For purposes of the Consolidated Statements of Cash Flows, cash, and cash equivalents include cash on hand and amounts due from banks which mature overnight or within ninety days. CASH RESERVE REQUIREMENTS The Bank generally is required by the Federal Reserve to maintain reserves consisting of cash on hand and noninterest-earning balances on deposit with the Federal Reserve Bank. There was no required reserve balance at December 31, 2017 and 2016. SECURITIES At the time of purchase all securities are evaluated and designated as available-for-sale held-to-maturity. available-for-sale Held-to-maturity held-to-maturity. held-to-maturity. The amortized cost of debt securities is adjusted for the accretion of discounts to maturity and the amortization of premiums to the earlier of a bonds call date or maturity based on the interest method. Such amortization and accretion is included in interest and dividends on securities. Gains and losses on sales of securities are accounted for on a trade date basis, using the specific identification method, and are included in noninterest income. Securities are periodically reviewed for other-than-temporary impairment based upon a number of factors, including, but not limited to: the length of time and extent to which the market value has been less than cost, the financial condition of the underlying issuer, the receipt of principal and interest according to the contractual terms, the ability of the issuer to meet contractual obligations, the likelihood of the security’s ability to recover any decline in its market value and management’s intent, and ability to hold the security for a period of time sufficient to allow for a recovery in market value. Among the factors that are considered in determining management’s intent and ability to hold the security is a review of the Company’s capital adequacy, interest rate risk position, and liquidity. The assessment of a security’s ability to recover any decline in market value, the ability of the issuer to meet contractual obligations, and management’s intent and ability to hold the security requires considerable judgment. A decline in value that is considered to be other-than-temporary is recorded as a loss within noninterest income in the Consolidated Statements of Income. Investments in FHLB and Federal Reserve Bank stock are classified as restricted stock, carried at cost, and evaluated for impairment. The Bank is required to maintain an investment in common stock of the FHLB and Federal Reserve Bank because the Bank is a member of the FHLB and the Federal Reserve System. LOANS Loans that management has the intent and ability to hold for the foreseeable future, until maturity, or pay-off, Interest income is not reported when full repayment is in doubt, typically when the loan is impaired or payments are past due over 90 days. All interest accrued but not collected for loans that are placed on nonaccrual or charged-off At origination, a determination is made whether a loan will be held in the Bank’s portfolio or is intended for sale in the secondary market. Mortgage loans held for sale are recorded at the lower of the aggregate cost or fair value. Generally these loans are held for sale for less than three days. The Bank recognizes gains and losses on sales of the loans held for sale when the sale is completed. ALLOWANCE FOR LOAN LOSSES The allowance for loan losses is established as losses are estimated to have occurred through a provision for loan losses charged to income. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. The allowance for loan losses is evaluated on a regular basis by management and is based upon management’s periodic review of the collectability of the loans in light of historical experience, the nature and volume of the loan portfolio, adverse situations that may affect borrowers’ ability to repay, estimated value of any underlying collateral, and prevailing economic conditions. This evaluation is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case loan-by-loan Large groups of smaller balance homogeneous loans are collectively evaluated for impairment. Accordingly, the Company does not separately identify individual residential real estate or consumer loans for impairment disclosures. OTHER REAL ESTATE OWNED Other real estate acquired through or in lieu of foreclosure is initially recorded at fair value, less estimated costs to sell, and any loan balance in excess of fair value is charged to the allowance for loan losses. Subsequent valuations are periodically performed and write-downs are included in noninterest expenses, as well as expenses related to maintenance of the properties. Gains or losses upon sale are recorded through noninterest income. There was no other real estate owned at December 31, 2017 and 2016. PREMISES AND EQUIPMENT Premises and equipment are stated at cost, less accumulated depreciation and, amortization. Land is carried at cost. Depreciation and amortization is determined based on the estimated useful lives of the individual assets (typically 20 to 40 years for buildings and 3 to 10 years for equipment) and is computed using the straight-line method. Leasehold improvements are amortized over the useful life of the asset, or lease term, whichever is shorter. GOODWILL AND CORE DEPOSIT INTANGIBLE ASSETS Goodwill is not amortized, but is tested for impairment at least annually in the fourth quarter or more frequently if indicators of impairment are present. The evaluation for impairment involves comparing the current fair value of the reporting unit to its carrying value, including goodwill. If the current fair value of a reporting unit exceeds its carrying value, no additional testing is required and an impairment loss is not recorded. The Company uses market capitalization and multiples of tangible book value methods to determine the estimated current fair value of its reporting unit. Based on this analysis no impairment was recorded in 2017 or 2016. The core deposit intangible assets are assigned useful lives, which are amortized on an accelerated basis over their weighted average lives. The Company periodically reviews the intangible asset for impairment as events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable. MORTGAGE SERVICING RIGHTS Mortgage servicing rights (“MSRs”) represent the right to service loans for third party investors. MSRs are recognized as a separate asset upon the sale of mortgage loans to a third party investor with the servicing rights retained by the Company. Originated MSRs are recorded at allocated fair value at the time of the sale of the loans to the third party investor. MSRs are amortized in proportion to and over the estimated period of net servicing income. MSRs are carried at amortized cost, less a valuation allowance for impairment, if any. MSRs are evaluated on a discounted earnings basis to determine the present value of future earnings of the underlying serviced mortgages. All assumptions are reviewed annually, or more frequently if necessary, adjusted to reflect current, and anticipated market conditions. BANK-OWNED LIFE INSURANCE The cash surrender value of bank-owned life insurance policies is included as an asset on the Consolidated Balance Sheets and any increases in the cash surrender value are recorded as noninterest income on the Consolidated Statements of Income. In the event of the death of an individual insured under these policies, the Company would receive a death benefit, which would be recorded as noninterest income. REPURCHASE AGREEMENTS Substantially all securities sold under repurchase agreements represent amounts advanced by various customers. Securities owned by the Bank are pledged to secure those obligations. Repurchase agreements are not deposits and are not covered by federal deposit insurance. ADVERTISING COSTS All advertising costs are expensed as incurred. Advertising expenses amounted to $168 thousand, $215 thousand, and $229 thousand for the years ended 2017, 2016, and 2015, respectively. FEDERAL INCOME TAXES The Company and its subsidiaries file a consolidated tax return. Deferred income taxes are provided on temporary differences between financial statement and income tax reporting. Temporary differences are differences between the amounts of assets and liabilities reported for financial statement purposes, and their respective tax bases. Deferred tax assets are recognized for temporary differences that will be deductible in future years’ tax returns and for operating loss and tax credit carry forwards. Deferred tax assets are reduced by a valuation allowance if it is deemed more likely than not that some or all of the deferred tax assets will not be realized. Deferred tax liabilities are recognized for temporary differences that will be taxable in future years’ tax returns. The Bank, domiciled in Ohio, is not currently subject to state and local income taxes. STOCK-BASED COMPENSATION The Company previously sponsored a stock-based compensation plan that expired in 2013. All outstanding awards at December 31, 2015 were exercised during the first quarter of 2016. There were no stock options outstanding at December 31, 2017. The Company recorded no stock-based compensation expense for 2017, 2016, or 2015. COMPREHENSIVE INCOME The Company includes recognized revenue, expenses, gains, and losses in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale TRANSFERS OF FINANCIAL ASSETS Transfers of financial assets are accounted for as sales when control over the assets has been surrendered. Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from the Company, (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and (3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity. PER SHARE DATA Basic net income per share is computed based on the weighted average number of shares of common stock outstanding during each year. Diluted income per common share includes the dilutive effect of additional potential common shares issuable under stock options. The weighted average number of common shares outstanding for basic and diluted earnings per share computations was as follows: 2017 2016 2015 Weighted average common shares 2,980,602 2,980,602 2,980,602 Average treasury shares (238,360 ) (238,574 ) (241,132 ) Total weighted average common shares outstanding (basic) 2,742,242 2,742,028 2,739,470 Dilutive effect of assumed exercise of stock options – – 2,638 Weighted average common shares outstanding (diluted) 2,742,242 2,742,028 2,742,108 Dividends per share are based on the number of shares outstanding at the declaration date. There were no stock options outstanding at December 31, 2017 and 2016 with 5,952 stock options outstanding at December 31, 2015. RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS ASU 2014-09 2014-09 one-year year-end, ASU 2016-01 ASU 2016-02 right-of-use ASU 2016-13 Early adoption is permitted for annual and interim periods beginning after December 15, 2018. We expect the Update will result in an increase in the allowance for credit losses for the estimated life of the financial asset, including an estimate for debt securities. The amount of the increase will be impacted by the portfolio composition and quality at the adoption date, as well as economic conditions and forecasts at that time. A cumulative-effect adjustment to retained earnings is required as of the beginning of the year of adoption. The Company expects to recognize a one-time one-time ASU 2016-15 ASU 2017-04 ASU 2017-08 RECLASSIFICATION OF COMPARATIVE AMOUNTS Certain comparative amounts from the prior years have been reclassified to conform to current year classifications. Such classifications had no effect on net income or shareholders’ equity.

Securities

Securities	12 Months Ended
	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Securities	NOTE 2 – SECURITIES Securities consisted of the following at December 31: (Dollars in thousands) Amortized Gross Gross Fair 2017 Available-for-sale U.S. Treasury security $ 999 $ – $ 1 $ 998 U.S. Government agencies 8,350 – 121 8,229 Mortgage-backed securities of government agencies 50,136 146 581 49,701 Asset-backed securities of government agencies 1,168 1 – 1,169 State and political subdivisions 27,020 224 103 27,141 Corporate bonds 10,532 35 142 10,425 Equity securities 53 36 – 89 Total available-for-sale 98,258 442 948 97,752 Held-to-maturity U.S. Government agencies 9,477 16 228 9,265 Mortgage-backed securities of government agencies 11,581 95 145 11,531 State and political subdivisions 4,700 – 5 4,695 Total held-to-maturity 25,758 111 378 25,491 Restricted stock 4,614 – – 4,614 Total securities $ 128,630 $ 553 $ 1,326 $ 127,857 2016 Available-for-sale U.S. Treasury security $ 1,001 $ – $ – $ 1,001 U.S. Government agencies 6,500 – 98 6,402 Mortgage-backed securities of government agencies 56,187 239 589 55,837 Other mortgage-backed securities 65 – – 65 Asset-backed securities of government agencies 1,312 – 46 1,266 State and political subdivisions 30,007 140 439 29,708 Corporate bonds 9,632 28 144 9,516 Equity securities 53 27 – 80 Total available-for-sale 104,757 434 1,316 103,875 Held-to-maturity U.S. Government agencies 9,472 17 396 9,093 Mortgage-backed securities of government agencies 14,411 141 201 14,351 Total held-to-maturity 23,883 158 597 23,444 Restricted stock 4,614 – – 4,614 Total securities $ 133,254 $ 592 $ 1,913 $ 131,933 The amortized cost and fair value of debt securities at December 31, 2017, by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. (Dollars in thousands) Amortized Fair Value Available-for-sale Due in one year or less $ 5,121 $ 5,122 Due after one through five years 17,239 17,211 Due after five through ten years 29,540 29,508 Due after ten years 46,305 45,822 Total debt securities available-for-sale $ 98,205 $ 97,663 Held-to-maturity Due in one year or less $ 4,700 $ 4,695 Due after one through five years 478 494 Due after five through ten years 3,000 2,887 Due after ten years 17,580 17,415 Total debt securities held-to-maturity $ 25,758 $ 25,491 Securities with a carrying value of approximately $94.0 million and $94.8 million were pledged at December 31, 2017 and 2016 respectively, to secure public deposits, as well as other deposits and borrowings as required or permitted by law. Restricted stock primarily consists of investments in FHLB and Federal Reserve Bank stock. The Bank’s investment in FHLB stock amounted to $4.1 million at December 31, 2017 and 2016, respectively. Federal Reserve Bank stock was $471 thousand at December 31, 2017 and 2016. The following table shows the proceeds from sales of available-for-sale (Dollars in thousands) 2016 2015 Proceeds $ 1 $ 1,576 Realized gains $ 1 $ 56 Realized losses – – Net securities gains $ 1 $ 56 The following table presents gross unrealized losses, fair value of securities, aggregated by investment category, and length of time that individual securities have been in a continuous unrealized loss position, at December 31: Securities in a Continuous Unrealized Loss Position Less Than 12 Months 12 Months Or More Total (Dollars in thousands) Gross Fair Gross Fair Gross Fair 2017 Available-for-sale U.S. Treasury security $ 1 $ 998 $ – $ – $ 1 $ 998 U.S. Government agencies 46 3,804 75 4,425 121 8,229 Mortgage-backed securities of government agencies 145 16,872 436 17,259 581 34,131 State and political subdivisions 26 4,400 77 3,752 103 8,152 Corporate bonds 2 2,912 140 2,360 142 5,272 Held-to-maturity U.S. Government agencies 15 1,985 213 6,785 228 8,770 Mortgage-backed securities of government agencies 18 1,818 127 3,116 145 4,934 State and political subdivisions 5 4,695 – – 5 4,695 Total temporarily impaired securities $ 258 $ 37,484 $ 1,068 $ 37,697 $ 1,326 $ 75,181 2016 Available-for-sale U.S. Government agencies 98 6,402 – – 98 6,402 Mortgage-backed securities of government agencies 589 27,243 – – 589 27,243 Asset-backed securities of government agencies – – 46 1,266 46 1,266 State and political subdivisions 439 19,328 – – 439 19,328 Corporate bonds 33 3,593 111 1,889 144 5,482 Held-to-maturity U.S. Government agencies 396 8,602 – – 396 8,602 Mortgage-backed securities of government agencies 28 2,018 173 3,621 201 5,639 Total temporarily impaired securities $ 1,583 $ 67,186 $ 330 $ 6,776 $ 1,913 $ 73,962 There were seventy-four (74) securities in an unrealized loss position at December 31, 2017, thirty-three (33) of which were in a continuous loss position for twelve or more months. At least quarterly, the Company conducts a comprehensive security-level impairment assessment. The assessments are based on the nature of the securities, the extent and duration of the securities, the extent and duration of the loss, and management’s intent to sell or if it is more likely than not that management will be required to sell a security before recovery of its amortized cost basis, which may be maturity. Management believes the Company will fully recover the cost of these securities and it does not intend to sell these securities and likely will not be required to sell them before the anticipated recovery of the remaining amortized cost basis, which may be maturity. As a result, management concluded that these securities were not other-than-temporarily impaired at December 31, 2017.

Loans

Loans	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
Loans	NOTE 3 – LOANS Loans consisted of the following at December 31: (Dollars in thousands) 2017 2016 Commercial $ 140,273 $ 134,268 Commercial real estate 179,663 159,475 Residential real estate 157,172 144,489 Construction & land development 22,886 23,428 Consumer 16,306 13,308 Total loans before deferred costs 516,300 474,968 Deferred loan costs 530 481 Total loans $ 516,830 $ 475,449 Loan Origination/Risk Management The Company has certain lending policies and procedures in place that are designed to maximize loan income within an acceptable level of risk. Management reviews and the Board of Directors approves these policies and procedures on a regular basis. A reporting system supplements the review process by providing management with frequent reports related to loan production, loan quality, concentrations of credit, loan delinquencies, and non-performing Commercial loans are underwritten after evaluating and understanding the borrower’s ability to operate profitably and prudently expand their business. Underwriting standards are designed to promote relationship banking rather than transactional banking. The Company’s management examines current and occasionally projected cash flows to determine the ability of the borrower to repay their obligations as agreed. Commercial loans are primarily made based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. However, the cash flows of borrowers may not be as expected and the collateral securing these loans may fluctuate in value. Most commercial loans are secured by the assets being financed or other business assets, such as accounts receivable or inventory, and may incorporate a personal guarantee; however, some short-term loans may be made on an unsecured basis. In the case of loans secured by accounts receivable, the availability of funds for the repayment of these loans may be substantially dependent on the ability of the borrower to collect amounts due from its customers. Commercial real estate loans are subject to underwriting standards and processes similar to commercial loans, in addition to those of real estate loans. These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Commercial real estate lending typically involves higher loan principal amounts and the repayment of these loans is largely dependent on the successful operation of the property securing the loan or the business conducted on the property securing the loan. Commercial real estate loans may be adversely affected by conditions in the real estate markets or in the general economy. The properties securing the Company’s commercial real estate portfolio are diverse in terms of type. This diversity helps reduce the Company’s exposure to adverse economic events that affect any single industry. Management monitors and evaluates commercial real estate loans based on collateral, geography, and risk grade criteria. With respect to loans to developers and builders that are secured by non-owner pre-committed on-site The Company originates consumer loans utilizing a judgmental underwriting process. Policies and procedures are developed and modified, as needed, by management to monitor and manage consumer loan risk. This activity, coupled with relatively small loan amounts that are spread across many individual borrowers, minimizes risk. The Company engages an independent loan review vendor that reviews and validates the credit risk program on a periodic basis. Results of these reviews are presented to management and the Audit Committee. The loan review process complements and reinforces the risk identification and assessment decisions made by lenders and credit personnel, as well as the Company’s policies and procedures. Concentrations of Credit Nearly all of the Company’s lending activity occurs within the State of Ohio, including the four counties of Holmes, Stark, Tuscarawas, and Wayne, as well as other markets. The majority of the Company’s loan portfolio consists of commercial and industrial and commercial real estate loans. See concentration of credit discussion included in the 2017 Financial Review. Allowance for Loan Losses The following table details activity in the allowance for loan losses by portfolio segment for the years ended December 31, 2017, 2016, and 2015. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories. During 2017, the increase in the provision for loan losses related to commercial loans was primarily due to the net charge-offs of loans in this category. The increase related to commercial real estate loans was due to the increase of nonperforming loans in this category, as well as the increase in the specific allocation to one commercial real estate loan. The increase in the provision amounts allocated to the remaining loan categories, primarily relate to loan growth. During 2016, the largest increase in the provision for loan losses occurred in the commercial loan category. The increase was primarily due to the specific allocation related to one loan relationship along with charge-offs of loans in this category. The increase in the provision amounts allocated to the remaining loan categories, primarily relate to loan growth. The decrease in the provision amount allocated to the commercial real estate category is primarily due to the recovery of prior loan charge-offs. During 2015, the increase in the provision for loan losses related to commercial loans was primarily due to an increase in the specific allowance related to impaired loans in this category. The decrease in the provision related to commercial real estate loans was due to the improved credit quality of loans in this category. The increase in the provision related to residential real estate loans was due to the increase in net charge-offs of loans in this category as well as the increase in loan volume. Summary of Allowance for Loan Losses (Dollars in thousands) Commercial Commercial Residential Real Estate Construction & Land Consumer Unallocated Total December 31, 2017 Beginning balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Provision for loan losses 429 471 76 59 51 59 1,145 Charge-offs (1,184) – – – (20) (1,204) Recoveries 361 – 8 – 3 372 Net charge-offs (823) – 8 – (17) (832) Ending balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 December 31, 2016 Beginning balance $ 1,664 $ 1,271 $ 1,086 $ 123 $ 86 $ 432 $ 4,662 Provision for loan losses 626 (291) 110 55 113 (120) 493 Charge-offs (297) (50) (12) – (59) (418) Recoveries 214 334 5 – 1 554 Net charge-offs (83) 284 (7) – (58) 136 Ending balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 December 31, 2015 Beginning balance $ 1,289 $ 1,524 $ 1,039 $ 142 $ 60 $ 327 $ 4,381 Provision for loan losses 285 (205) 161 (19) 62 105 389 Charge-offs (109) (61) (132) – (46) (348) Recoveries 199 13 18 – 10 240 Net charge-offs 90 (48) (114) – (36) (108) Ending balance $ 1,664 $ 1,271 $ 1,086 $ 123 $ 86 $ 432 $ 4,662 The following table presents the balance in the allowance for loan losses and the ending loan balances by portfolio segment and impairment method as of December 31: (Dollars in thousands) Commercial Commercial Residential Construction & Land Consumer Unallocated Total 2017 Allowance for loan losses: Ending allowance balances attributable to loans: Individually evaluated for impairment $ 74 $ 151 $ 19 $ – $ – $ – $ 244 Collectively evaluated for impairment 1,739 1,584 1,254 237 175 371 5,360 Total ending allowance balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 Loans: Loans individually evaluated for impairment $ 1,726 $ 4,686 $ 1,470 $ – $ – $ 7,882 Loans collectively evaluated for impairment 138,547 174,977 155,702 22,886 16,306 508,418 Total ending loans balance $ 140,273 $ 179,663 $ 157,172 $ 22,886 $ 16,306 $ 516,300 2016 Allowance for loan losses: Ending allowance balances attributable to loans: Individually evaluated for impairment $ 705 $ – $ 24 $ – $ – $ – $ 729 Collectively evaluated for impairment 1,502 1,264 1,165 178 141 312 4,562 Total ending allowance balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Loans: Loans individually evaluated for impairment $ 5,028 $ 621 $ 1,507 $ – $ – $ 7,156 Loans collectively evaluated for impairment 129,240 158,854 142,982 23,428 13,308 467,812 Total ending loans balance $ 134,268 $ 159,475 $ 144,489 $ 23,428 $ 13,308 $ 474,968 The following table presents loans individually evaluated for impairment by class of loans as of December 31: (Dollars in thousands) Unpaid Recorded Recorded Total 1 Related Average Interest 2017 Commercial $ 3,352 $ 1,329 $ 399 $ 1,728 $ 74 $ 2,884 $ 52 Commercial real estate 4,826 3,117 1,566 4,683 151 3,213 14 Residential real estate 1,654 1,119 352 1,471 19 1,476 57 Construction & land development – – – – – – – Total impaired loans $ 9,832 $ 5,565 $ 2,317 $ 7,882 $ 244 $ 7,573 $ 123 2016 Commercial $ 5,476 $ 1,690 $ 3,354 $ 5,044 $ 705 $ 6,609 $ 241 Commercial real estate 796 600 21 621 – 786 10 Residential real estate 1,681 1,036 472 1,508 24 1,507 61 Construction & land development – – – – – – – Total impaired loans $ 7,953 $ 3,326 $ 3,847 $ 7,173 $ 729 $ 8,902 $ 312 2015 Commercial $ 6,541 $ 5,832 $ 301 $ 6,133 $ 299 $ 5,972 $ 230 Commercial real estate 1,265 670 393 1,063 64 1,420 18 Residential real estate 1,689 967 568 1,535 26 1,671 61 Construction & land development – – – – – – – Total impaired loans $ 9,495 $ 7,469 $ 1,262 $ 8,731 $ 389 $ 9,063 $ 309 1 The following table presents the aging of past due and nonaccrual loans by class of loans as of December 31: (Dollars in thousands) Current 30-59 Days Past Due 60-89 Days Past Due 90 Days + Past Due Nonaccrual Total Past Due and Nonaccrual Total Loans 2017 Commercial $ 138,908 $ 148 $ 65 $ – $ 1,152 $ 1,365 $ 140,273 Commercial real estate 175,062 177 – 40 4,384 4,601 179,663 Residential real estate 155,488 757 38 401 488 1,684 157,172 Construction & land development 22,886 – – – – – 22,886 Consumer 16,048 193 8 – 57 258 16,306 Total loans $ 508,392 $ 1,275 $ 111 $ 441 $ 6,081 $ 7,908 $ 516,300 2016 Commercial $ 133,630 $ 151 $ 62 $ – $ 425 $ 638 $ 134,268 Commercial real estate 158,504 435 – 39 497 971 159,475 Residential real estate 142,926 816 61 196 490 1,563 144,489 Construction & land development 23,428 – – – – – 23,428 Consumer 13,234 21 16 – 37 74 13,308 Total loans $ 471,722 $ 1,423 $ 139 $ 235 $ 1,449 $ 3,246 $ 474,968 Troubled Debt Restructurings The Company had troubled debt restructurings (“TDRs”) of $2.9 million as of December 31, 2017, with $38 thousand of specific reserves allocated to customers whose loan terms have been modified in TDRs. As of December 31, 2016, the Company had TDRs of $6.4 million, with $711 thousand of specific reserves allocated. At December 31, 2017, $2 million of the loans classified as TDRs were performing in accordance with their modified terms. The remaining $900 thousand were classified as nonaccrual. Loan modifications that are considered TDRs completed during the year ended December 31 were as follows: (Dollars in thousands) Number Of Loans Restructured Pre-Modification Recorded Investment Post-Modification Recorded Investment 2017 Commercial 2 $ 150 $ 150 Commercial real estate 4 288 288 Residential real estate 2 52 52 Total restructured loans 8 $ 490 $ 490 2016 Commercial 4 $ 3,607 $ 3,607 Residential real estate 1 101 101 Total restructured loans 5 $ 3,708 $ 3,708 The loans restructured were modified by changing the monthly payment to interest only and extending the maturity dates. No principal reductions were made. There was one commercial loan in the amount of $3.3 million that was restructured in the fourth quarter of 2016 that has defaulted in 2017. None of the loans restructured in 2015 subsequently defaulted in 2016. Real Estate Loans in Foreclosure The Company held no foreclosed real estate as of December 31, 2017, or December 31, 2016. Mortgage loans in the process of foreclosure were $114 thousand at December 31, 2017, and $448 thousand at December 31, 2016. Credit Quality Indicators The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors. The Company analyzes commercial loans individually by classifying the loans as to credit risk. This analysis includes commercial loans with an outstanding balance greater than $300 thousand. This analysis is performed on an annual basis. The Company uses the following definitions for risk ratings: Pass. Special Mention. Substandard. Doubtful. Loans not meeting the criteria above that are analyzed individually as part of the above described process are considered to be pass rated loans. Loans listed as not rated are either less than $300 thousand or are included in groups of homogeneous loans. Based on the most recent analysis performed, the risk category of loans by class was as follows at December 31: (Dollars in thousands) Pass Special Mention Substandard Doubtful Not Rated Total 2017 Commercial $ 116,833 $ 13,685 $ 8,841 $ – $ 914 $ 140,273 Commercial real estate 162,012 8,220 8,620 – 811 179,663 Residential real estate 205 – 470 – 156,497 157,172 Construction & land development 18,493 880 – – 3,513 22,886 Consumer – – 57 – 16,249 16,306 Total $ 297,543 $ 22,785 $ 17,988 $ – $ 177,984 $ 516,300 2016 Commercial $ 116,739 $ 6,874 $ 9,704 $ – $ 951 $ 134,268 Commercial real estate 149,630 4,168 4,766 – 911 159,475 Residential real estate 216 – 175 – 144,098 144,489 Construction & land development 17,183 981 504 – 4,760 23,428 Consumer – – – – 13,308 13,308 Total $ 283,768 $ 12,023 $ 15,149 $ – $ 164,028 $ 474,968 Nonperforming loans include loans past due 90 days and greater and loans on nonaccrual of interest status. The following table presents loans that are not rated, by class of loans as of December 31: (Dollars in thousands) Performing Nonperforming Total 2017 Commercial $ 914 $ – $ 914 Commercial real estate 811 – 811 Residential real estate 155,608 889 156,497 Construction & land development 3,513 – 3,513 Consumer 16,249 57 16,306 Total $ 177,095 $ 946 $ 178,041 2016 Commercial $ 951 $ – $ 951 Commercial real estate 911 – 911 Residential real estate 143,440 658 144,098 Construction & land development 4,760 – 4,760 Consumer 13,271 37 13,308 Total $ 163,333 $ 695 $ 164,028 Mortgage Servicing Rights For the years ended December 31, 2017 and 2016, the Company had outstanding MSRs of $270 thousand and $261 thousand, respectively. No valuation allowance was recorded at December 31, 2017 or 2016, as the fair value of the MSRs exceeded their carrying value. On December 31, 2017, the Company had $64.7 million residential mortgage loans with servicing retained as compared to $61.8 million with servicing retained at December 31, 2016. Total loans serviced for others approximated $82.7 million and $85.9 million at December 31, 2017 and 2016, respectively.

Premises and Equipment

Premises and Equipment	12 Months Ended
	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Premises and Equipment	NOTE 4 – PREMISES AND EQUIPMENT Premises and equipment consisted of the following at December 31: (Dollars in thousands) 2017 2016 Land and improvements $ 1,925 $ 1,607 Buildings and improvements 11,206 10,365 Furniture and equipment 6,121 6,346 Leasehold improvements 99 191 19,351 18,509 Accumulated depreciation 10,107 9,760 Premises and equipment, net $ 9,244 $ 8,749 Depreciation expense amounted to $652 thousand, $690 thousand, and $660 thousand for the years ended December 31, 2017, 2016, and 2015, respectively. The Bank leases certain office locations. Total rental expense under these leases approximated $158 thousand, $191 thousand, and $301 thousand in 2017, 2016, and 2015, respectively. Future minimum lease payments at December 31, 2017 were as follows: (Dollars in thousands) 2018 $ 108 2019 71 2020 71 Total $ 250

Core Deposit Intangible Assets

Core Deposit Intangible Assets	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Core Deposit Intangible Assets	NOTE 5 – CORE DEPOSIT INTANGIBLE ASSETS Core Deposit Intangible No additional core deposit intangible was recorded in 2017, 2016, or 2015. The core deposit intangible asset will be amortized over an estimated life of ten years. Amortization expense related to the core deposit intangible asset totaled $116 thousand, $121 thousand, and $125 thousand in 2017, 2016, and 2015, respectively. The following table shows the core deposit intangible and the related accumulated amortization as of December 31: (Dollars in thousands) 2017 2016 2015 Gross carrying amount $ 1,251 $ 1,251 $ 1,251 Accumulated amortization (984 ) (868 ) (747 ) Net carrying amount $ 267 $ 383 $ 504 The estimated aggregate future amortization expense for the core deposit assets remaining as of December 31, 2017 was as follows: (Dollars in thousands) Core Deposit Amortization 2018 $ 101 2019 63 2020 59 2021 44 $ 267

Interest-Bearing Deposits

Interest-Bearing Deposits	12 Months Ended
	Dec. 31, 2017
Banking and Thrift [Abstract]
Interest-Bearing Deposits	NOTE 6 – INTEREST-BEARING DEPOSITS Interest-bearing deposits at December 31 were as follows: (Dollars in thousands) 2017 2016 Demand $ 119,579 $ 97,683 Savings 180,217 163,169 Time deposits: In excess of $250,000 12,026 13,102 Other 97,766 99,007 Total interest-bearing deposits $ 409,588 $ 372,961 At December 31, 2017, stated maturities of time deposits were as follows: (Dollars in thousands) 2018 $ 61,124 2019 21,409 2020 10,830 2021 11,148 2022 5,281 Total $ 109,792

Borrowings

Borrowings	12 Months Ended
	Dec. 31, 2017
Debt Disclosure [Abstract]
Borrowings	NOTE 7 – BORROWINGS Short-term borrowings Short-term borrowings include overnight repurchase agreements, federal funds purchased, and short-term advances through the FHLB. The outstanding balances and related information for short-term borrowings are summarized as follows: (Dollars in thousands) 2017 2016 Balance at year-end $ 39,480 $ 48,742 Average balance outstanding 50,445 51,801 Maximum month-end 56,932 55,642 Weighted-average rate at year-end 0.39 % 0.16 % Weighted-average rate during the year 0.29 0.14 Average balances outstanding during the year represent daily average balances; average interest rates represent interest expenses divided by the related average balances. The following table provides additional detail regarding repurchase agreements accounted for as secured borrowings: Remaining Contractual Maturity Overnight and Continuous (Dollars in thousands) December 31, December 31, Securities of U.S. Government agencies and mortgage-backed securities of government agencies pledged, fair value $ 39,637 $ 48,866 Repurchase agreements 39,480 48,742 Other borrowings The following table sets forth information concerning other borrowings: Maturity Range Weighted Stated Interest Rate Range At December 31, (Dollars in thousands) From To Rate From To 2017 2016 Fixed-rate 12/20/17 12/21/17 3.61% 3.48% 3.73% $ – $ 10,000 Fixed-rate amortizing 4/1/24 6/1/37 1.86 1.16 2.01 11,409 2,385 $ 11,409 $ 12,385 Maturities of other borrowings at December 31, 2017, are summarized as follows for the years ended December 31: (Dollars in thousands) Amount Weighted 2018 $ 2,884 1.83% 2019 2,195 1.83 2020 1,665 1.84 2021 1,258 1.85 2022 and beyond 3,407 1.92 $ 11,409 1.86% Monthly principal and interest payments, as well as 10% – 20% principal curtailments on the borrowings’ anniversary dates are due on the fixed-rate amortizing borrowings. FHLB borrowings are secured by a blanket collateral agreement. At December 31, 2017 the Company had the capacity to borrow an additional $81.8 million from the FHLB.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income Taxes	NOTE 8 – INCOME TAXES The provision for income taxes consisted of the following for the years ended December 31: (Dollars in thousands) 2017 2016 2015 Current $ 3,296 $ 2,973 $ 2,564 Deferred (167 ) (4 ) 83 Change in corporate tax rate 101 – – Total income tax provision $ 3,230 $ 2,969 $ 2,647 The Tax Cuts and Jobs Act, enacted on December 22, 2017, lowered the federal income tax rate from 35% to 21% effective January 1, 2018. As a result, the carrying value of net deferred tax assets was reduced, which increased income tax expense by $101 thousand. The income tax provision attributable to income from operations differed from the amounts computed by applying the statutory federal income tax rate of 34% to income before income taxes as follows: (Dollars in thousands) 2017 2016 2015 Expected provision using statutory federal income tax rate $ 3,513 $ 3,300 $ 2,947 Effect of bond and loan tax-exempt (251 ) (241 ) (216 ) Interest expense associated with carrying certain tax exempt bonds and loans 6 5 4 Bank owned life insurance income (121 ) (94 ) (92 ) Other 83 (1 ) 4 Total income tax provision $ 3,230 $ 2,969 $ 2,647 The tax effects of temporary differences that give rise to deferred tax assets and deferred tax liabilities at December 31 were as follows: (Dollars in thousands) 2017 2016 Allowance for loan losses $ 1,275 $ 1,957 Net operating loss carryforward – 84 Unrealized loss on securities available-for-sale 176 450 Other 50 29 Deferred tax assets 1,501 2,520 Premises and equipment (363 ) (384 ) Federal Home Loan Bank stock dividends (376 ) (609 ) Deferred loan fees (232 ) (362 ) Prepaid expenses (89 ) (182 ) Other (279 ) (380 ) Deferred tax liabilities (1,339 ) (1,917 ) Net deferred tax asset $ 162 $ 603 There is currently no liability for uncertain tax positions and no known unrecognized tax benefits. The Company recognizes, when applicable, interest and penalties related to unrecognized tax benefits in the provision for income taxes in the Consolidated Statements of Income. With few exceptions, the Company is no longer subject to U.S. federal, state, or local income tax examinations by tax authorities for years prior to 2014.

Employee Benefits

Employee Benefits	12 Months Ended
	Dec. 31, 2017
Postemployment Benefits [Abstract]
Employee Benefits	NOTE 9 – EMPLOYEE BENEFITS The Company sponsors a contributory 401(k) profit-sharing plan (the “Plan”) covering substantially all employees who meet certain age and service requirements. The Plan permits investment in the Company’s common stock subject to various limitations and provides for discretionary profit sharing and matching contributions. The discretionary profit sharing contribution is determined annually by the Board of Directors and amounted to 3.00% in 2017, 3.00% in 2016 and 2.75% in 2015 of each eligible participant’s compensation. The Plan also provided for a 50% Company match of participant contributions up to a maximum of 2% of each participant’s annual compensation in years 2017, 2016 and 2015. Beginning in 2018, the Plan provides for a 100% Company match up to a maximum of 4% of each participant’s annual compensation. Expense under the Plan amounted to approximately $363 thousand, $338 thousand, and $304 thousand for 2017, 2016, and 2015, respectively. The following table summarizes stock options activity for the years ended December 31: 2016 2015 Shares Weighted Shares Weighted Outstanding at beginning of year 5,952 $ 18.00 11,904 $ 18.00 Granted – – – – Exercised (5,952 ) (18.00 ) (5,952 ) (18.00 ) Forfeited – – Outstanding at end of year – – 5,952 18.00 Options exercisable at year-end – $ – 5,952 $ 18.00 Weighted-average fair value of options granted during year N/A N/A N/A N/A There were no options outstanding at December 31, 2017 and 2016. The total intrinsic value of outstanding in-the-money in-the-money

Financial Instruments with Off-

Financial Instruments with Off-Balance Sheet Risk	12 Months Ended
	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Financial Instruments with Off-Balance Sheet Risk	NOTE 10 – FINANCIAL INSTRUMENTS WITH OFF-BALANCE The Bank is party to financial instruments with off-balance on-balance The following financial instruments whose contract amount represents credit risk were outstanding at December 31: (Dollars in thousands) 2017 2016 Commitments to extend credit $ 177,354 $ 162,763 Letters of credit 849 972 Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Consumer commitments generally have fixed expiration dates and commercial commitments are generally due on demand and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amount does not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case Letters of credit are written conditional commitments issued by the Company to guarantee the performance of a customer to a third party and are reviewed for renewal at expiration. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loans to customers. The Company requires collateral supporting these commitments when deemed appropriate.

Related-Party Transactions

Related-Party Transactions	12 Months Ended
	Dec. 31, 2017
Related Party Transactions [Abstract]
Related-Party Transactions	NOTE 11 – RELATED-PARTY TRANSACTIONS In the ordinary course of business, loans are made by the Bank to executive officers, directors, and their related business interests consistent with Federal Reserve Regulation O. The following is an analysis of activity of related-party loans for the years ended December 31: (Dollars in thousands) 2017 2016 Balance at beginning of year $ 321 $ 495 New loans and advances 478 84 Repayments, including loans sold 294 117 Changes in related parties 1 – (141 ) Balance at end of year $ 505 $ 321 1 Deposits from executive officers, directors, and their related business interests at December 31, 2017 and 2016 were approximately $2.1 million and $3.0 million.

Regulatory Matters

Regulatory Matters	12 Months Ended
	Dec. 31, 2017
Banking and Thrift [Abstract]
Regulatory Matters	NOTE 12 – REGULATORY MATTERS The Company (on a consolidated basis) and Bank are subject to various regulatory capital requirements administered by the federal and state banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company’s and Bank’s financial performance. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and Bank must meet specific capital guidelines that involve quantitative measures of the assets, liabilities, and certain off-balance-sheet Quantitative measures established by regulation to ensure capital adequacy require the Company and Bank to maintain minimum amounts and ratios (set forth in the following table) of total capital, tier 1 capital and common equity tier 1 capital (as defined in the regulations) to risk-weighted assets (as defined), and of tier 1 capital to average assets (as defined). Management believes as of December 31, 2017 and 2016, the Company and Bank met or exceeded all capital adequacy requirements to which they are subject. As of December 31, 2017, the most recent notification from federal and state banking agencies categorized the Bank as “well capitalized” under the regulatory framework for prompt corrective action. To be categorized as “well capitalized” an institution must maintain minimum total risk-based, tier 1 risk-based, common equity tier 1, and tier 1 leverage ratios as set forth in the following tables. There are no known conditions or events since that notification that Management believes have changed the Bank’s category. The actual capital amounts and ratios of the Company and Bank as of December 31 are presented in the following tables: Actual Minimum Minimum Required (Dollars in thousands) Amount Ratio Amount Ratio Amount Ratio 2017 Total capital to risk-weighted assets Consolidated $ 71,815 13.8 % $ 41,693 8.0 % $ 52,116 10.0 % Bank 70,672 13.6 41,684 8.0 52,105 10.0 Tier 1 capital to risk-weighted assets Consolidated 66,203 12.7 31,270 6.0 41,693 8.0 Bank 65,060 12.5 31,263 6.0 41,684 8.0 Common equity tier 1 capital to risk-weighted assets Consolidated 66,203 12.7 23,452 4.5 33,876 6.5 Bank 65,060 12.5 23,447 4.5 33,868 6.5 Tier 1 capital to average assets Consolidated 66,203 9.3 28,437 4.0 35,546 5.0 Bank 65,060 9.2 28,432 4.0 35,541 5.0 2016 Total capital to risk-weighted assets Consolidated $ 66,545 13.7 % $ 38,936 8.0 % $ 48,670 10.0 % Bank 65,420 13.5 38,925 8.0 48,656 10.0 Tier 1 capital to risk-weighted assets Consolidated 61,246 12.6 29,202 6.0 38,936 8.0 Bank 60,121 12.4 29,194 6.0 38,925 8.0 Common equity tier 1 capital to risk-weighted assets Consolidated 61,246 12.6 21,901 4.5 31,635 6.5 Bank 60,121 12.4 21,895 4.5 31,626 6.5 Tier 1 capital to average assets Consolidated 61,246 9.3 26,330 4.0 32,913 5.0 Bank 60,121 9.1 26,325 4.0 32,906 5.0 The Company’s primary source of funds with which to pay dividends are dividends received from the Bank. The payment of dividends by the Bank to the Company is subject to restrictions by its regulatory agencies. These restrictions generally limit dividends to current year net income and prior two-years’

Condensed Parent Company Financ

Condensed Parent Company Financial Information	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Condensed Parent Company Financial Information	NOTE 13 – CONDENSED PARENT COMPANY FINANCIAL INFORMATION A summary of condensed financial information of the parent company as of December 31, 2017 and 2016, and for each of the three years in the period ended December 31, 2017 follows: (Dollars in thousands) 2017 2016 CONDENSED BALANCE SHEETS ASSETS Cash deposited with subsidiary bank $ 1,007 $ 921 Investment in subsidiary bank 69,309 64,272 Securities available-for-sale 90 80 Other assets 177 195 TOTAL ASSETS $ 70,583 $ 65,468 LIABILITIES AND SHAREHOLDERS’ EQUITY Total liabilities $ 51 $ 53 Total shareholders’ equity 70,532 65,415 TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 70,583 $ 65,468 (Dollars in thousands) 2017 2016 2015 CONDENSED STATEMENTS OF COMPREHENSIVE INCOME Interest on securities $ 2 $ 2 $ 2 Dividends from subsidiary 2,600 2,450 2,400 Securities gains – – 35 Total income 2,602 2,452 2,437 Operating expenses 348 384 465 Income before taxes and undistributed equity income of subsidiary 2,254 2,068 1,972 Income tax benefit (123 ) (131 ) (146 ) Equity earnings in subsidiary, net of dividends 4,724 4,539 3,904 NET INCOME $ 7,101 $ 6,738 $ 6,022 COMPREHENSIVE INCOME $ 7,421 $ 6,281 $ 5,887 (Dollars in thousands) 2017 2016 2015 CONDENSED STATEMENTS OF CASH FLOWS Cash flows from operating activities: Net income $ 7,101 $ 6,738 $ 6,022 Adjustments to reconcile net income to cash provided by operations: Equity earnings in subsidiary, net of dividends (4,724 ) (4,539 ) (3,904 ) Securities gain – – (35 ) Change in other assets, liabilities 13 71 2 Net cash provided by operating activities 2,390 2,270 2,085 Cash flows from investing activities: Proceeds from sale of securities – – 88 Net cash provided by investing activities – – 88 Cash flows from financing activities: Cash dividends paid (2,304 ) (2,139 ) (2,082 ) Net cash used in financing activities (2,304 ) (2,139 ) (2,082 ) Increase in cash 86 131 91 Cash at beginning of year 921 790 699 Cash at end of year $ 1,007 $ 921 $ 790

Fair Value Measurements

Fair Value Measurements	12 Months Ended
	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Fair Value Measurements	NOTE 14 – FAIR VALUE MEASUREMENTS The Company provides disclosures about assets and liabilities carried at fair value. The framework provides a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities and lowest priority to unobservable inputs. The three broad levels of the fair value hierarchy are described below: Level I: Inputs to the valuation methodology are unadjusted quoted prices for identical assets or liabilities in active markets that the Company has the ability to access. Level II: Inputs to the valuation methodology include quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in inactive markets; inputs other than quoted prices that are observable for the asset or liability; inputs that are derived principally from or corroborated by observable market data by or other means including certified appraisals. If the asset or liability has a specified (contractual) term, the Level II input must be observable for substantially the full term of the asset or liability. Level III: Inputs to the valuation methodology are unobservable and significant to the fair value measurement. The following table presents the assets reported on the consolidated statements of financial condition at their fair value on a recurring basis as of December 31, 2017 and December 31, 2016, by level within the fair value hierarchy. No liabilities were carried at fair value. As required by the accounting standards, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Equity securities and U.S. Treasury Notes are valued at the closing price reported on the active market on which the individual securities are traded. Obligations of U.S. government corporations and agencies, mortgage-backed securities, asset-backed securities, obligations of states, and political subdivisions are valued at observable market data for similar assets. (Dollars in thousands) Level I Level II Level III Total Assets: December 31, 2017 Securities available-for-sale U.S. Treasury security $ 998 $ – $ – $ 998 U.S. Government agencies – 8,229 – 8,229 Mortgage-backed securities of government agencies – 49,701 – 49,701 Asset-backed securities of government agencies – 1,169 – 1,169 State and political subdivisions – 27,141 – 27,141 Corporate bonds – 10,425 – 10,425 Total debt securities 998 96,665 – 97,663 Equity securities 89 – – 89 Total available-for-sale $ 1,087 $ 96,665 $ – $ 97,752 Assets: December 31, 2016 Securities available-for-sale U.S. Treasury security $ 1,001 $ – $ – $ 1,001 U.S. Government agencies – 6,402 – 6,402 Mortgage-backed securities of government agencies – 55,837 – 55,837 Other mortgage-backed securities – 65 – 65 Asset-backed securities of government agencies – 1,266 – 1,266 State and political subdivisions – 29,708 – 29,708 Corporate bonds – 9,516 – 9,516 Total debt securities 1,001 102,794 – 103,795 Equity securities 80 – – 80 Total available-for-sale $ 1,081 $ 102,794 $ – $ 103,875 The following table presents the assets measured on a nonrecurring basis on the consolidated balance sheets at their fair value as of December 31, 2017 and December 31, 2016, by level within the fair value hierarchy. Impaired loans that are collateral dependent are written down to fair value through the establishment of specific reserves. Techniques used to value the collateral securing the impaired loans include: quoted market prices for identical assets classified as Level I inputs; observable inputs, employed by certified appraisers, for similar assets classified as Level II inputs. In cases where valuation techniques included inputs that are unobservable and are based on estimates and assumptions developed by management based on the best information available under each circumstance, the asset valuation is classified as Level III inputs. (Dollars in thousands) Level I Level II Level III Total Assets measured on a nonrecurring basis December 31, 2017 Impaired loans $ – $ – $ 2,073 $ 2,073 Assets measured on a nonrecurring basis December 31, 2016 Impaired loans $ – $ – $ 3,118 $ 3,118 The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which the Company has utilized Level III inputs to determine fair value: Quantitative Information about Level III Fair Value Measurements (Dollars in thousands) Fair Value Valuation Unobservable Input Range (Weighted Average) December 31, 2017 Impaired loans $ 551 Discounted Remaining term Discount rate 4 mos to 24.5 yrs / (20.3 mos 4.4% to 7.5% / (5.3 ) %) 1,522 Appraisal of 1 Appraisal adjustments 2 Liquidation expense 2 0% to –25% (–6.8 –10 %) % December 31, 2016 Impaired loans $ 3,033 Discounted Remaining term Discount rate 6 mos to 25.5 yrs / (16.7 mos 3.6% to 7.5% / (5.2 ) %) 85 Appraisal of 1 Appraisal adjustments 2 Liquidation expense 2 0% to –0% (–36 –10 %) % 1 2

Fair Values of Financial Instru

Fair Values of Financial Instruments	12 Months Ended
	Dec. 31, 2017
Investments, All Other Investments [Abstract]
Fair Values of Financial Instruments	NOTE 15 – FAIR VALUES OF FINANCIAL INSTRUMENTS The estimated fair values of recognized financial instruments as of December 31 were as follows: 2017 (Dollars in thousands) Carrying Level I Level II Level III Total Fair Financial assets Cash and cash equivalents $ 36,420 $ 36,420 $ – $ – $ 36,420 Securities available-for-sale 97,752 1,087 96,665 – 97,752 Securities held-to-maturity 25,758 – 25,491 – 25,491 Restricted stock 4,614 N/A N/A N/A N/A Loans held for sale 246 246 – – 246 Net loans 511,226 – – 513,106 513,106 Bank-owned life insurance 13,218 13,218 – – 13,218 Accrued interest receivable 1,545 1,545 – – 1,545 Mortgage servicing rights 270 – – 270 270 Financial liabilities Deposits $ 583,259 $ 473,467 $ – $ 110,224 $ 583,691 Short-term borrowings 39,480 39,480 – – 39,480 Other borrowings 11,409 – – 10,365 10,365 Accrued interest payable 90 90 – – 90 2016 (Dollars in thousands) Carrying Level I Level II Level III Total Fair Financial assets Cash and cash equivalents $ 36,838 $ 36,838 $ – $ – $ 36,838 Securities available-for-sale 103,875 1,081 102,794 – 103,875 Securities held-to-maturity 23,883 – 23,444 – 23,444 Restricted stock 4,614 N/A N/A N/A N/A Net loans 470,158 – – 471,815 471,815 Bank-owned life insurance 10,361 10,361 – – 10,361 Accrued interest receivable 1,409 1,409 – – 1,409 Mortgage servicing rights 261 – – 261 261 Financial liabilities Deposits $ 540,785 $ 428,676 $ – $ 112,642 $ 541,318 Short-term borrowings 48,742 48,742 – – 48,742 Other borrowings 12,385 – – 12,511 12,511 Accrued interest payable 76 76 – – 76 For purposes of the above disclosures of estimated fair value, the following assumptions are used: Cash and cash equivalents; Loans held for sale; Accrued interest receivable; Mortgage servicing rights; Short-term borrowings, and Accrued interest payable The fair value of the above instruments is considered to be carrying value. Securities The fair value of securities available-for-sale held-to-maturity, Net loans The fair value for loans is estimated by discounting future cash flows using current market inputs at which loans with similar terms and qualities would be made to borrowers of similar credit quality. Where quoted market prices were available, primarily for certain residential mortgage loans, such market rates were utilized as estimates for fair value. Fair value of non-accrual Bank-owned life insurance The carrying amount of bank-owned life insurance is based on the cash surrender value of the policies and is a reasonable estimate of fair value, classified as Level I. Restricted stock Restricted stock includes FHLB Stock and Federal Reserve Bank Stock. It is not practicable to determine the fair value of regulatory equity securities due to restrictions placed on their transferability. Deposits The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rates are estimated using market rates currently offered for similar instruments with similar remaining maturities, resulting in a Level III classification. Demand, savings, and money market deposit accounts are valued at the amount payable on demand as of quarter end, resulting in a Level I classification. Other borrowings The fair value of FHLB advances are estimated using a discounted cash flow analysis based on the current borrowing rates for similar types of borrowings, resulting in a Level III classification. The Company also had unrecognized financial instruments at December 31, 2017 and 2016. These financial instruments relate to commitments to extend credit and letters of credit. The aggregate contract amount of such financial instruments was approximately $178.2 million at December 31, 2017, and $163.7 million at December 31, 2016. Such amounts are also considered to be the estimated fair values. The fair value estimates of financial instruments are made at a specific point in time based on relevant market information. These estimates do not reflect any premium or discount that could result from offering for sale at one time the entire holdings of a particular financial instrument over the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. Since no ready market exists for a significant portion of the financial instruments, fair value estimates are largely based on judgments after considering such factors as future expected credit losses, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature, involve uncertainties and matters of significant judgment and therefore, cannot be determined with precision. Changes in assumptions could significantly affect these estimates.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income	12 Months Ended
	Dec. 31, 2017
Equity [Abstract]
Accumulated Other Comprehensive Income	NOTE 16 – ACCUMULATED OTHER COMPREHENSIVE INCOME The following table presents the changes in accumulated other comprehensive (loss) income by component net of tax for the years ended December 31, 2017 and 2016. (Dollars in thousands) Pretax Tax Effect After-Tax Affected Line Balance as of December 31, 2016 $ (1,323 ) $ 449 $ (874 ) Unrealized holding gain on available-for-sale 376 (128 ) 248 Amortization of held-to-maturity 108 (36 ) 72 Total other comprehensive income 484 (164 ) 320 Deferred tax reclassification from retained earnings – (109 ) (109 ) (b) Total other comprehensive income (loss) after reclassification 484 (273 ) 211 BALANCE AS OF DECEMBER 31, 2017 $ (839 ) $ 176 $ (663 ) Balance as of December 31, 2015 $ (631 ) $ 214 $ (417 ) Unrealized holding gain on available-for-sale (1,221 ) 415 (806 ) Amount reclassified for net gains included in net income (1 ) – (1 ) (a) Amortization of held-to-maturity 530 (180 ) 350 Total other comprehensive income (loss) (692 ) 235 (457 ) BALANCE AS OF DECEMBER 31, 2016 $ (1,323 ) $ 449 $ (874 ) Balance as of December 31, 2014 $ (427 ) $ 145 $ (282 ) Unrealized holding gain on available-for-sale (551 ) 187 (364 ) Amount reclassified for net gains included in net income (56 ) 19 (37 ) (a) (b) Amortization of held-to-maturity 403 (137 ) 266 Total other comprehensive income (loss) (204 ) 69 (135 ) BALANCE AS OF DECEMBER 31, 2015 $ (631 ) $ 214 $ (417 ) (a) Securities gain. (b) Federal income tax provision.

Contingent Liabilities

Contingent Liabilities	12 Months Ended
	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Contingent Liabilities	NOTE 17 – CONTINGENT LIABILITIES In the normal course of business, the Company is subject to pending and threatened legal actions. Although, the Company is not able to predict the outcome of such actions, after reviewing pending and threatened actions, management believes that the outcome of any or all such actions will not have a material adverse effect on the results of operations or shareholders’ equity of the Company. The Company has an employment agreement with an officer. Upon the occurrence of certain types of termination of employment, the Company may be required to make specified severance payments if termination occurs within a specified period of time, generally two years from the date of the agreement, or pursuant to certain change in control transactions.

Quarterly Financial Data (Unaud

Quarterly Financial Data (Unaudited)	12 Months Ended
	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Data (Unaudited)	NOTE 18 – QUARTERLY FINANCIAL DATA (UNAUDITED) The following is a summary of selected quarterly financial data (unaudited) for the years ended December 31: (Dollars in thousands, except per share data) Interest Income Net Interest Income Net Income Basic Earnings Per Share Diluted Earnings Per Share 2017 First quarter $ 6,247 $ 5,862 $ 1,730 $ 0.63 $ 0.63 Second quarter 6,413 5,950 1,726 0.63 0.63 Third quarter 6,766 6,204 1,866 0.68 0.68 Fourth quarter 7,014 6,436 1,779 0.65 0.65 2016 First quarter $ 5,661 $ 5,285 $ 1,480 $ 0.54 $ 0.54 Second quarter 5,813 5,446 1,611 0.59 0.59 Third quarter 5,863 5,497 1,694 0.61 0.61 Fourth quarter 6,295 5,931 1,953 0.72 0.72 2015 First quarter $ 5,407 $ 5,014 $ 1,342 $ 0.49 $ 0.49 Second quarter 5,568 5,175 1,517 0.55 0.55 Third quarter 5,463 5,068 1,556 0.57 0.57 Fourth quarter 5,559 5,173 1,607 0.59 0.59

Summary of Significant Accoun28

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Use of Estimates in Preparing Financial Statements	USE OF ESTIMATES IN PREPARING FINANCIAL STATEMENTS In preparing the Consolidated Financial Statements, in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the Consolidated Balance Sheets and reported amounts of revenues and expenses during each reporting period. Actual results could differ from those estimates. The most significant estimates susceptible to change in the near term relate to management’s determination of the allowance for loan losses and the fair value of financial instruments.
Principles of Consolidation	PRINCIPLES OF CONSOLIDATION The Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries. All significant inter-company balances and transactions have been eliminated in consolidation. The Bank has a trust department and the assets held by the Bank in fiduciary or agency capacities for its customers are not included in the Consolidated Balance Sheets as such items are not assets of the Bank.
Cash and Cash Equivalents	CASH AND CASH EQUIVALENTS For purposes of the Consolidated Statements of Cash Flows, cash, and cash equivalents include cash on hand and amounts due from banks which mature overnight or within ninety days.
Cash Reserve Requirements	CASH RESERVE REQUIREMENTS The Bank generally is required by the Federal Reserve to maintain reserves consisting of cash on hand and noninterest-earning balances on deposit with the Federal Reserve Bank. There was no required reserve balance at December 31, 2017 and 2016.
Securities	SECURITIES At the time of purchase all securities are evaluated and designated as available-for-sale held-to-maturity. available-for-sale Held-to-maturity held-to-maturity. held-to-maturity. The amortized cost of debt securities is adjusted for the accretion of discounts to maturity and the amortization of premiums to the earlier of a bonds call date or maturity based on the interest method. Such amortization and accretion is included in interest and dividends on securities. Gains and losses on sales of securities are accounted for on a trade date basis, using the specific identification method, and are included in noninterest income. Securities are periodically reviewed for other-than-temporary impairment based upon a number of factors, including, but not limited to: the length of time and extent to which the market value has been less than cost, the financial condition of the underlying issuer, the receipt of principal and interest according to the contractual terms, the ability of the issuer to meet contractual obligations, the likelihood of the security’s ability to recover any decline in its market value and management’s intent, and ability to hold the security for a period of time sufficient to allow for a recovery in market value. Among the factors that are considered in determining management’s intent and ability to hold the security is a review of the Company’s capital adequacy, interest rate risk position, and liquidity. The assessment of a security’s ability to recover any decline in market value, the ability of the issuer to meet contractual obligations, and management’s intent and ability to hold the security requires considerable judgment. A decline in value that is considered to be other-than-temporary is recorded as a loss within noninterest income in the Consolidated Statements of Income. Investments in FHLB and Federal Reserve Bank stock are classified as restricted stock, carried at cost, and evaluated for impairment. The Bank is required to maintain an investment in common stock of the FHLB and Federal Reserve Bank because the Bank is a member of the FHLB and the Federal Reserve System.
Loans	LOANS Loans that management has the intent and ability to hold for the foreseeable future, until maturity, or pay-off, Interest income is not reported when full repayment is in doubt, typically when the loan is impaired or payments are past due over 90 days. All interest accrued but not collected for loans that are placed on nonaccrual or charged-off At origination, a determination is made whether a loan will be held in the Bank’s portfolio or is intended for sale in the secondary market. Mortgage loans held for sale are recorded at the lower of the aggregate cost or fair value. Generally these loans are held for sale for less than three days. The Bank recognizes gains and losses on sales of the loans held for sale when the sale is completed.
Allowance for Loan Losses	ALLOWANCE FOR LOAN LOSSES The allowance for loan losses is established as losses are estimated to have occurred through a provision for loan losses charged to income. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. The allowance for loan losses is evaluated on a regular basis by management and is based upon management’s periodic review of the collectability of the loans in light of historical experience, the nature and volume of the loan portfolio, adverse situations that may affect borrowers’ ability to repay, estimated value of any underlying collateral, and prevailing economic conditions. This evaluation is inherently subjective as it requires estimates that are susceptible to significant revision as more information becomes available. A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case loan-by-loan Large groups of smaller balance homogeneous loans are collectively evaluated for impairment. Accordingly, the Company does not separately identify individual residential real estate or consumer loans for impairment disclosures.
Other Real Estate Owned	OTHER REAL ESTATE OWNED Other real estate acquired through or in lieu of foreclosure is initially recorded at fair value, less estimated costs to sell, and any loan balance in excess of fair value is charged to the allowance for loan losses. Subsequent valuations are periodically performed and write-downs are included in noninterest expenses, as well as expenses related to maintenance of the properties. Gains or losses upon sale are recorded through noninterest income. There was no other real estate owned at December 31, 2017 and 2016.
Premises and Equipment	PREMISES AND EQUIPMENT Premises and equipment are stated at cost, less accumulated depreciation and, amortization. Land is carried at cost. Depreciation and amortization is determined based on the estimated useful lives of the individual assets (typically 20 to 40 years for buildings and 3 to 10 years for equipment) and is computed using the straight-line method. Leasehold improvements are amortized over the useful life of the asset, or lease term, whichever is shorter.
Goodwill and Core Deposit in Intangible Assets	GOODWILL AND CORE DEPOSIT INTANGIBLE ASSETS Goodwill is not amortized, but is tested for impairment at least annually in the fourth quarter or more frequently if indicators of impairment are present. The evaluation for impairment involves comparing the current fair value of the reporting unit to its carrying value, including goodwill. If the current fair value of a reporting unit exceeds its carrying value, no additional testing is required and an impairment loss is not recorded. The Company uses market capitalization and multiples of tangible book value methods to determine the estimated current fair value of its reporting unit. Based on this analysis no impairment was recorded in 2017 or 2016. The core deposit intangible assets are assigned useful lives, which are amortized on an accelerated basis over their weighted average lives. The Company periodically reviews the intangible asset for impairment as events or changes in circumstances indicate that the carrying amount of such assets may not be recoverable.
Mortgage Servicing Rights	MORTGAGE SERVICING RIGHTS Mortgage servicing rights (“MSRs”) represent the right to service loans for third party investors. MSRs are recognized as a separate asset upon the sale of mortgage loans to a third party investor with the servicing rights retained by the Company. Originated MSRs are recorded at allocated fair value at the time of the sale of the loans to the third party investor. MSRs are amortized in proportion to and over the estimated period of net servicing income. MSRs are carried at amortized cost, less a valuation allowance for impairment, if any. MSRs are evaluated on a discounted earnings basis to determine the present value of future earnings of the underlying serviced mortgages. All assumptions are reviewed annually, or more frequently if necessary, adjusted to reflect current, and anticipated market conditions.
Bank-owned Life Insurance	BANK-OWNED LIFE INSURANCE The cash surrender value of bank-owned life insurance policies is included as an asset on the Consolidated Balance Sheets and any increases in the cash surrender value are recorded as noninterest income on the Consolidated Statements of Income. In the event of the death of an individual insured under these policies, the Company would receive a death benefit, which would be recorded as noninterest income.
Repurchase Agreements	REPURCHASE AGREEMENTS Substantially all securities sold under repurchase agreements represent amounts advanced by various customers. Securities owned by the Bank are pledged to secure those obligations. Repurchase agreements are not deposits and are not covered by federal deposit insurance.
Advertising Costs	ADVERTISING COSTS All advertising costs are expensed as incurred. Advertising expenses amounted to $168 thousand, $215 thousand, and $229 thousand for the years ended 2017, 2016, and 2015, respectively.
Federal Income Taxes	FEDERAL INCOME TAXES The Company and its subsidiaries file a consolidated tax return. Deferred income taxes are provided on temporary differences between financial statement and income tax reporting. Temporary differences are differences between the amounts of assets and liabilities reported for financial statement purposes, and their respective tax bases. Deferred tax assets are recognized for temporary differences that will be deductible in future years’ tax returns and for operating loss and tax credit carry forwards. Deferred tax assets are reduced by a valuation allowance if it is deemed more likely than not that some or all of the deferred tax assets will not be realized. Deferred tax liabilities are recognized for temporary differences that will be taxable in future years’ tax returns. The Bank, domiciled in Ohio, is not currently subject to state and local income taxes.
Stock-based Compensation	STOCK-BASED COMPENSATION The Company previously sponsored a stock-based compensation plan that expired in 2013. All outstanding awards at December 31, 2015 were exercised during the first quarter of 2016. There were no stock options outstanding at December 31, 2017. The Company recorded no stock-based compensation expense for 2017, 2016, or 2015.
Comprehensive Income	COMPREHENSIVE INCOME The Company includes recognized revenue, expenses, gains, and losses in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale
Transfers of Financial Assets	TRANSFERS OF FINANCIAL ASSETS Transfers of financial assets are accounted for as sales when control over the assets has been surrendered. Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from the Company, (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and (3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.
Per Share Data	PER SHARE DATA Basic net income per share is computed based on the weighted average number of shares of common stock outstanding during each year. Diluted income per common share includes the dilutive effect of additional potential common shares issuable under stock options. The weighted average number of common shares outstanding for basic and diluted earnings per share computations was as follows: 2017 2016 2015 Weighted average common shares 2,980,602 2,980,602 2,980,602 Average treasury shares (238,360 ) (238,574 ) (241,132 ) Total weighted average common shares outstanding (basic) 2,742,242 2,742,028 2,739,470 Dilutive effect of assumed exercise of stock options – – 2,638 Weighted average common shares outstanding (diluted) 2,742,242 2,742,028 2,742,108 Dividends per share are based on the number of shares outstanding at the declaration date. There were no stock options outstanding at December 31, 2017 and 2016 with 5,952 stock options outstanding at December 31, 2015.
Recently Issued Accounting Pronouncements	RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS ASU 2014-09 2014-09 one-year year-end, ASU 2016-01 ASU 2016-02 right-of-use ASU 2016-13 Early adoption is permitted for annual and interim periods beginning after December 15, 2018. We expect the Update will result in an increase in the allowance for credit losses for the estimated life of the financial asset, including an estimate for debt securities. The amount of the increase will be impacted by the portfolio composition and quality at the adoption date, as well as economic conditions and forecasts at that time. A cumulative-effect adjustment to retained earnings is required as of the beginning of the year of adoption. The Company expects to recognize a one-time one-time ASU 2016-15 ASU 2017-04 ASU 2017-08
Reclassification of Comparative Amounts	RECLASSIFICATION OF COMPARATIVE AMOUNTS Certain comparative amounts from the prior years have been reclassified to conform to current year classifications. Such classifications had no effect on net income or shareholders’ equity.

Summary of Significant Accoun29

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2017
Accounting Policies [Abstract]
Computation of Weighted Average Number of Common Shares Outstanding for Basic and Diluted Earnings Per Share	The weighted average number of common shares outstanding for basic and diluted earnings per share computations was as follows: 2017 2016 2015 Weighted average common shares 2,980,602 2,980,602 2,980,602 Average treasury shares (238,360 ) (238,574 ) (241,132 ) Total weighted average common shares outstanding (basic) 2,742,242 2,742,028 2,739,470 Dilutive effect of assumed exercise of stock options – – 2,638 Weighted average common shares outstanding (diluted) 2,742,242 2,742,028 2,742,108

Securities (Tables)

Securities (Tables)	12 Months Ended
	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Summary of Securities Available-for-Sale and Restricted Stock	Securities consisted of the following at December 31: (Dollars in thousands) Amortized Gross Gross Fair 2017 Available-for-sale U.S. Treasury security $ 999 $ – $ 1 $ 998 U.S. Government agencies 8,350 – 121 8,229 Mortgage-backed securities of government agencies 50,136 146 581 49,701 Asset-backed securities of government agencies 1,168 1 – 1,169 State and political subdivisions 27,020 224 103 27,141 Corporate bonds 10,532 35 142 10,425 Equity securities 53 36 – 89 Total available-for-sale 98,258 442 948 97,752 Held-to-maturity U.S. Government agencies 9,477 16 228 9,265 Mortgage-backed securities of government agencies 11,581 95 145 11,531 State and political subdivisions 4,700 – 5 4,695 Total held-to-maturity 25,758 111 378 25,491 Restricted stock 4,614 – – 4,614 Total securities $ 128,630 $ 553 $ 1,326 $ 127,857 2016 Available-for-sale U.S. Treasury security $ 1,001 $ – $ – $ 1,001 U.S. Government agencies 6,500 – 98 6,402 Mortgage-backed securities of government agencies 56,187 239 589 55,837 Other mortgage-backed securities 65 – – 65 Asset-backed securities of government agencies 1,312 – 46 1,266 State and political subdivisions 30,007 140 439 29,708 Corporate bonds 9,632 28 144 9,516 Equity securities 53 27 – 80 Total available-for-sale 104,757 434 1,316 103,875 Held-to-maturity U.S. Government agencies 9,472 17 396 9,093 Mortgage-backed securities of government agencies 14,411 141 201 14,351 Total held-to-maturity 23,883 158 597 23,444 Restricted stock 4,614 – – 4,614 Total securities $ 133,254 $ 592 $ 1,913 $ 131,933
Summary of Amortized Cost and Fair Value of Debt Securities	The amortized cost and fair value of debt securities at December 31, 2017, by contractual maturity, are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. (Dollars in thousands) Amortized Fair Value Available-for-sale Due in one year or less $ 5,121 $ 5,122 Due after one through five years 17,239 17,211 Due after five through ten years 29,540 29,508 Due after ten years 46,305 45,822 Total debt securities available-for-sale $ 98,205 $ 97,663 Held-to-maturity Due in one year or less $ 4,700 $ 4,695 Due after one through five years 478 494 Due after five through ten years 3,000 2,887 Due after ten years 17,580 17,415 Total debt securities held-to-maturity $ 25,758 $ 25,491
Summary of Proceeds and Gains and Losses from Sales of Available-for-Sale Securities	The following table shows the proceeds from sales of available-for-sale (Dollars in thousands) 2016 2015 Proceeds $ 1 $ 1,576 Realized gains $ 1 $ 56 Realized losses – – Net securities gains $ 1 $ 56
Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities	The following table presents gross unrealized losses, fair value of securities, aggregated by investment category, and length of time that individual securities have been in a continuous unrealized loss position, at December 31: Securities in a Continuous Unrealized Loss Position Less Than 12 Months 12 Months Or More Total (Dollars in thousands) Gross Fair Gross Fair Gross Fair 2017 Available-for-sale U.S. Treasury security $ 1 $ 998 $ – $ – $ 1 $ 998 U.S. Government agencies 46 3,804 75 4,425 121 8,229 Mortgage-backed securities of government agencies 145 16,872 436 17,259 581 34,131 State and political subdivisions 26 4,400 77 3,752 103 8,152 Corporate bonds 2 2,912 140 2,360 142 5,272 Held-to-maturity U.S. Government agencies 15 1,985 213 6,785 228 8,770 Mortgage-backed securities of government agencies 18 1,818 127 3,116 145 4,934 State and political subdivisions 5 4,695 – – 5 4,695 Total temporarily impaired securities $ 258 $ 37,484 $ 1,068 $ 37,697 $ 1,326 $ 75,181 2016 Available-for-sale U.S. Government agencies 98 6,402 – – 98 6,402 Mortgage-backed securities of government agencies 589 27,243 – – 589 27,243 Asset-backed securities of government agencies – – 46 1,266 46 1,266 State and political subdivisions 439 19,328 – – 439 19,328 Corporate bonds 33 3,593 111 1,889 144 5,482 Held-to-maturity U.S. Government agencies 396 8,602 – – 396 8,602 Mortgage-backed securities of government agencies 28 2,018 173 3,621 201 5,639 Total temporarily impaired securities $ 1,583 $ 67,186 $ 330 $ 6,776 $ 1,913 $ 73,962

Loans (Tables)

Loans (Tables)	12 Months Ended
	Dec. 31, 2017
Receivables [Abstract]
Summary of Loans	Loans consisted of the following at December 31: (Dollars in thousands) 2017 2016 Commercial $ 140,273 $ 134,268 Commercial real estate 179,663 159,475 Residential real estate 157,172 144,489 Construction & land development 22,886 23,428 Consumer 16,306 13,308 Total loans before deferred costs 516,300 474,968 Deferred loan costs 530 481 Total loans $ 516,830 $ 475,449
Summary of Allowance for Loan Losses	Summary of Allowance for Loan Losses (Dollars in thousands) Commercial Commercial Residential Real Estate Construction & Land Consumer Unallocated Total December 31, 2017 Beginning balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Provision for loan losses 429 471 76 59 51 59 1,145 Charge-offs (1,184) – – – (20) (1,204) Recoveries 361 – 8 – 3 372 Net charge-offs (823) – 8 – (17) (832) Ending balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 December 31, 2016 Beginning balance $ 1,664 $ 1,271 $ 1,086 $ 123 $ 86 $ 432 $ 4,662 Provision for loan losses 626 (291) 110 55 113 (120) 493 Charge-offs (297) (50) (12) – (59) (418) Recoveries 214 334 5 – 1 554 Net charge-offs (83) 284 (7) – (58) 136 Ending balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 December 31, 2015 Beginning balance $ 1,289 $ 1,524 $ 1,039 $ 142 $ 60 $ 327 $ 4,381 Provision for loan losses 285 (205) 161 (19) 62 105 389 Charge-offs (109) (61) (132) – (46) (348) Recoveries 199 13 18 – 10 240 Net charge-offs 90 (48) (114) – (36) (108) Ending balance $ 1,664 $ 1,271 $ 1,086 $ 123 $ 86 $ 432 $ 4,662
Allowances for Loan Losses and Ending Balances by Portfolio Class and Based on Impairment Method	The following table presents the balance in the allowance for loan losses and the ending loan balances by portfolio segment and impairment method as of December 31: (Dollars in thousands) Commercial Commercial Residential Construction & Land Consumer Unallocated Total 2017 Allowance for loan losses: Ending allowance balances attributable to loans: Individually evaluated for impairment $ 74 $ 151 $ 19 $ – $ – $ – $ 244 Collectively evaluated for impairment 1,739 1,584 1,254 237 175 371 5,360 Total ending allowance balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 Loans: Loans individually evaluated for impairment $ 1,726 $ 4,686 $ 1,470 $ – $ – $ 7,882 Loans collectively evaluated for impairment 138,547 174,977 155,702 22,886 16,306 508,418 Total ending loans balance $ 140,273 $ 179,663 $ 157,172 $ 22,886 $ 16,306 $ 516,300 2016 Allowance for loan losses: Ending allowance balances attributable to loans: Individually evaluated for impairment $ 705 $ – $ 24 $ – $ – $ – $ 729 Collectively evaluated for impairment 1,502 1,264 1,165 178 141 312 4,562 Total ending allowance balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Loans: Loans individually evaluated for impairment $ 5,028 $ 621 $ 1,507 $ – $ – $ 7,156 Loans collectively evaluated for impairment 129,240 158,854 142,982 23,428 13,308 467,812 Total ending loans balance $ 134,268 $ 159,475 $ 144,489 $ 23,428 $ 13,308 $ 474,968
Schedule of Impairment by Class of Loans	The following table presents loans individually evaluated for impairment by class of loans as of December 31: (Dollars in thousands) Unpaid Recorded Recorded Total 1 Related Average Interest 2017 Commercial $ 3,352 $ 1,329 $ 399 $ 1,728 $ 74 $ 2,884 $ 52 Commercial real estate 4,826 3,117 1,566 4,683 151 3,213 14 Residential real estate 1,654 1,119 352 1,471 19 1,476 57 Construction & land development – – – – – – – Total impaired loans $ 9,832 $ 5,565 $ 2,317 $ 7,882 $ 244 $ 7,573 $ 123 2016 Commercial $ 5,476 $ 1,690 $ 3,354 $ 5,044 $ 705 $ 6,609 $ 241 Commercial real estate 796 600 21 621 – 786 10 Residential real estate 1,681 1,036 472 1,508 24 1,507 61 Construction & land development – – – – – – – Total impaired loans $ 7,953 $ 3,326 $ 3,847 $ 7,173 $ 729 $ 8,902 $ 312 2015 Commercial $ 6,541 $ 5,832 $ 301 $ 6,133 $ 299 $ 5,972 $ 230 Commercial real estate 1,265 670 393 1,063 64 1,420 18 Residential real estate 1,689 967 568 1,535 26 1,671 61 Construction & land development – – – – – – – Total impaired loans $ 9,495 $ 7,469 $ 1,262 $ 8,731 $ 389 $ 9,063 $ 309 1
Schedule of Aging of Past Due and Nonaccrual Loans	The following table presents the aging of past due and nonaccrual loans by class of loans as of December 31: (Dollars in thousands) Current 30-59 Days Past Due 60-89 Days Past Due 90 Days + Past Due Nonaccrual Total Past Due and Nonaccrual Total Loans 2017 Commercial $ 138,908 $ 148 $ 65 $ – $ 1,152 $ 1,365 $ 140,273 Commercial real estate 175,062 177 – 40 4,384 4,601 179,663 Residential real estate 155,488 757 38 401 488 1,684 157,172 Construction & land development 22,886 – – – – – 22,886 Consumer 16,048 193 8 – 57 258 16,306 Total loans $ 508,392 $ 1,275 $ 111 $ 441 $ 6,081 $ 7,908 $ 516,300 2016 Commercial $ 133,630 $ 151 $ 62 $ – $ 425 $ 638 $ 134,268 Commercial real estate 158,504 435 – 39 497 971 159,475 Residential real estate 142,926 816 61 196 490 1,563 144,489 Construction & land development 23,428 – – – – – 23,428 Consumer 13,234 21 16 – 37 74 13,308 Total loans $ 471,722 $ 1,423 $ 139 $ 235 $ 1,449 $ 3,246 $ 474,968
Summary of Troubled Debt Restructurings	Loan modifications that are considered TDRs completed during the year ended December 31 were as follows: (Dollars in thousands) Number Of Loans Restructured Pre-Modification Recorded Investment Post-Modification Recorded Investment 2017 Commercial 2 $ 150 $ 150 Commercial real estate 4 288 288 Residential real estate 2 52 52 Total restructured loans 8 $ 490 $ 490 2016 Commercial 4 $ 3,607 $ 3,607 Residential real estate 1 101 101 Total restructured loans 5 $ 3,708 $ 3,708
Summary of Loans by Credit Quality Indicator	Based on the most recent analysis performed, the risk category of loans by class was as follows at December 31: (Dollars in thousands) Pass Special Mention Substandard Doubtful Not Rated Total 2017 Commercial $ 116,833 $ 13,685 $ 8,841 $ – $ 914 $ 140,273 Commercial real estate 162,012 8,220 8,620 – 811 179,663 Residential real estate 205 – 470 – 156,497 157,172 Construction & land development 18,493 880 – – 3,513 22,886 Consumer – – 57 – 16,249 16,306 Total $ 297,543 $ 22,785 $ 17,988 $ – $ 177,984 $ 516,300 2016 Commercial $ 116,739 $ 6,874 $ 9,704 $ – $ 951 $ 134,268 Commercial real estate 149,630 4,168 4,766 – 911 159,475 Residential real estate 216 – 175 – 144,098 144,489 Construction & land development 17,183 981 504 – 4,760 23,428 Consumer – – – – 13,308 13,308 Total $ 283,768 $ 12,023 $ 15,149 $ – $ 164,028 $ 474,968
Schedule of Loans Not Rated by Class of Loans	The following table presents loans that are not rated, by class of loans as of December 31: (Dollars in thousands) Performing Nonperforming Total 2017 Commercial $ 914 $ – $ 914 Commercial real estate 811 – 811 Residential real estate 155,608 889 156,497 Construction & land development 3,513 – 3,513 Consumer 16,249 57 16,306 Total $ 177,095 $ 946 $ 178,041 2016 Commercial $ 951 $ – $ 951 Commercial real estate 911 – 911 Residential real estate 143,440 658 144,098 Construction & land development 4,760 – 4,760 Consumer 13,271 37 13,308 Total $ 163,333 $ 695 $ 164,028

Premises and Equipment (Tables)

Premises and Equipment (Tables)	12 Months Ended
	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Components of Premises and Equipment	Premises and equipment consisted of the following at December 31: (Dollars in thousands) 2017 2016 Land and improvements $ 1,925 $ 1,607 Buildings and improvements 11,206 10,365 Furniture and equipment 6,121 6,346 Leasehold improvements 99 191 19,351 18,509 Accumulated depreciation 10,107 9,760 Premises and equipment, net $ 9,244 $ 8,749
Summary of Future Minimum Lease Payments	Future minimum lease payments at December 31, 2017 were as follows: (Dollars in thousands) 2018 $ 108 2019 71 2020 71 Total $ 250

Core Deposit Intangible Assets

Core Deposit Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Core Deposit Intangible and Related Accumulated Amortization	The following table shows the core deposit intangible and the related accumulated amortization as of December 31: (Dollars in thousands) 2017 2016 2015 Gross carrying amount $ 1,251 $ 1,251 $ 1,251 Accumulated amortization (984 ) (868 ) (747 ) Net carrying amount $ 267 $ 383 $ 504
Future Amortization Expense for Core Deposit Asset	The estimated aggregate future amortization expense for the core deposit assets remaining as of December 31, 2017 was as follows: (Dollars in thousands) Core Deposit Amortization 2018 $ 101 2019 63 2020 59 2021 44 $ 267

Interest-Bearing Deposits (Tabl

Interest-Bearing Deposits (Tables)	12 Months Ended
	Dec. 31, 2017
Banking and Thrift [Abstract]
Summary of Interest - Bearing Deposits	Interest-bearing deposits at December 31 were as follows: (Dollars in thousands) 2017 2016 Demand $ 119,579 $ 97,683 Savings 180,217 163,169 Time deposits: In excess of $250,000 12,026 13,102 Other 97,766 99,007 Total interest-bearing deposits $ 409,588 $ 372,961
Stated Maturities of Time Deposits	At December 31, 2017, stated maturities of time deposits were as follows: (Dollars in thousands) 2018 $ 61,124 2019 21,409 2020 10,830 2021 11,148 2022 5,281 Total $ 109,792

Borrowings (Tables)

Borrowings (Tables)	12 Months Ended
	Dec. 31, 2017
Debt Disclosure [Abstract]
Short-Term Borrowings	The outstanding balances and related information for short-term borrowings are summarized as follows: (Dollars in thousands) 2017 2016 Balance at year-end $ 39,480 $ 48,742 Average balance outstanding 50,445 51,801 Maximum month-end 56,932 55,642 Weighted-average rate at year-end 0.39 % 0.16 % Weighted-average rate during the year 0.29 0.14
Summary of Repurchase Agreements Accounted for as Secured Borrowings	The following table provides additional detail regarding repurchase agreements accounted for as secured borrowings: Remaining Contractual Maturity Overnight and Continuous (Dollars in thousands) December 31, December 31, Securities of U.S. Government agencies and mortgage-backed securities of government agencies pledged, fair value $ 39,637 $ 48,866 Repurchase agreements 39,480 48,742
Concerning of Other Borrowings	The following table sets forth information concerning other borrowings: Maturity Range Weighted Stated Interest Rate Range At December 31, (Dollars in thousands) From To Rate From To 2017 2016 Fixed-rate 12/20/17 12/21/17 3.61% 3.48% 3.73% $ – $ 10,000 Fixed-rate amortizing 4/1/24 6/1/37 1.86 1.16 2.01 11,409 2,385 $ 11,409 $ 12,385
Schedule of Maturities Other Borrowings	Maturities of other borrowings at December 31, 2017, are summarized as follows for the years ended December 31: (Dollars in thousands) Amount Weighted 2018 $ 2,884 1.83% 2019 2,195 1.83 2020 1,665 1.84 2021 1,258 1.85 2022 and beyond 3,407 1.92 $ 11,409 1.86%

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Provision for Income Taxes	The provision for income taxes consisted of the following for the years ended December 31: (Dollars in thousands) 2017 2016 2015 Current $ 3,296 $ 2,973 $ 2,564 Deferred (167 ) (4 ) 83 Change in corporate tax rate 101 – – Total income tax provision $ 3,230 $ 2,969 $ 2,647
Income Tax Provision Attributable to Income from Operations	The income tax provision attributable to income from operations differed from the amounts computed by applying the statutory federal income tax rate of 34% to income before income taxes as follows: (Dollars in thousands) 2017 2016 2015 Expected provision using statutory federal income tax rate $ 3,513 $ 3,300 $ 2,947 Effect of bond and loan tax-exempt (251 ) (241 ) (216 ) Interest expense associated with carrying certain tax exempt bonds and loans 6 5 4 Bank owned life insurance income (121 ) (94 ) (92 ) Other 83 (1 ) 4 Total income tax provision $ 3,230 $ 2,969 $ 2,647
Tax Effects of Temporary Differences of Deferred Tax Assets and Deferred Tax Liabilities	The tax effects of temporary differences that give rise to deferred tax assets and deferred tax liabilities at December 31 were as follows: (Dollars in thousands) 2017 2016 Allowance for loan losses $ 1,275 $ 1,957 Net operating loss carryforward – 84 Unrealized loss on securities available-for-sale 176 450 Other 50 29 Deferred tax assets 1,501 2,520 Premises and equipment (363 ) (384 ) Federal Home Loan Bank stock dividends (376 ) (609 ) Deferred loan fees (232 ) (362 ) Prepaid expenses (89 ) (182 ) Other (279 ) (380 ) Deferred tax liabilities (1,339 ) (1,917 ) Net deferred tax asset $ 162 $ 603

Employee Benefits (Tables)

Employee Benefits (Tables)	12 Months Ended
	Dec. 31, 2017
Postemployment Benefits [Abstract]
Summary of Stock Options Activity	The following table summarizes stock options activity for the years ended December 31: 2016 2015 Shares Weighted Shares Weighted Outstanding at beginning of year 5,952 $ 18.00 11,904 $ 18.00 Granted – – – – Exercised (5,952 ) (18.00 ) (5,952 ) (18.00 ) Forfeited – – Outstanding at end of year – – 5,952 18.00 Options exercisable at year-end – $ – 5,952 $ 18.00 Weighted-average fair value of options granted during year N/A N/A N/A N/A

Financial Instruments with Of38

Financial Instruments with Off-Balance Sheet Risk (Tables)	12 Months Ended
	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Summary of Financial Instruments whose Contract Amount Represents Credit Risk	The following financial instruments whose contract amount represents credit risk were outstanding at December 31: (Dollars in thousands) 2017 2016 Commitments to extend credit $ 177,354 $ 162,763 Letters of credit 849 972

Related-Party Transactions (Tab

Related-Party Transactions (Tables)	12 Months Ended
	Dec. 31, 2017
Related Party Transactions [Abstract]
Summary of Analysis of Activity of Related-Party Loans	The following is an analysis of activity of related-party loans for the years ended December 31: (Dollars in thousands) 2017 2016 Balance at beginning of year $ 321 $ 495 New loans and advances 478 84 Repayments, including loans sold 294 117 Changes in related parties 1 – (141 ) Balance at end of year $ 505 $ 321 1

Regulatory Matters (Tables)

Regulatory Matters (Tables)	12 Months Ended
	Dec. 31, 2017
Banking and Thrift [Abstract]
Summary of Actual Capital Amounts and Ratios of Company and Bank	The actual capital amounts and ratios of the Company and Bank as of December 31 are presented in the following tables: Actual Minimum Minimum Required (Dollars in thousands) Amount Ratio Amount Ratio Amount Ratio 2017 Total capital to risk-weighted assets Consolidated $ 71,815 13.8 % $ 41,693 8.0 % $ 52,116 10.0 % Bank 70,672 13.6 41,684 8.0 52,105 10.0 Tier 1 capital to risk-weighted assets Consolidated 66,203 12.7 31,270 6.0 41,693 8.0 Bank 65,060 12.5 31,263 6.0 41,684 8.0 Common equity tier 1 capital to risk-weighted assets Consolidated 66,203 12.7 23,452 4.5 33,876 6.5 Bank 65,060 12.5 23,447 4.5 33,868 6.5 Tier 1 capital to average assets Consolidated 66,203 9.3 28,437 4.0 35,546 5.0 Bank 65,060 9.2 28,432 4.0 35,541 5.0 2016 Total capital to risk-weighted assets Consolidated $ 66,545 13.7 % $ 38,936 8.0 % $ 48,670 10.0 % Bank 65,420 13.5 38,925 8.0 48,656 10.0 Tier 1 capital to risk-weighted assets Consolidated 61,246 12.6 29,202 6.0 38,936 8.0 Bank 60,121 12.4 29,194 6.0 38,925 8.0 Common equity tier 1 capital to risk-weighted assets Consolidated 61,246 12.6 21,901 4.5 31,635 6.5 Bank 60,121 12.4 21,895 4.5 31,626 6.5 Tier 1 capital to average assets Consolidated 61,246 9.3 26,330 4.0 32,913 5.0 Bank 60,121 9.1 26,325 4.0 32,906 5.0

Condensed Parent Company Fina41

Condensed Parent Company Financial Information (Tables)	12 Months Ended
	Dec. 31, 2017
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Summary of Condensed Financial Information	A summary of condensed financial information of the parent company as of December 31, 2017 and 2016, and for each of the three years in the period ended December 31, 2017 follows: (Dollars in thousands) 2017 2016 CONDENSED BALANCE SHEETS ASSETS Cash deposited with subsidiary bank $ 1,007 $ 921 Investment in subsidiary bank 69,309 64,272 Securities available-for-sale 90 80 Other assets 177 195 TOTAL ASSETS $ 70,583 $ 65,468 LIABILITIES AND SHAREHOLDERS’ EQUITY Total liabilities $ 51 $ 53 Total shareholders’ equity 70,532 65,415 TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 70,583 $ 65,468
Summary of Condensed Statements of Comprehensive Income	(Dollars in thousands) 2017 2016 CONDENSED BALANCE SHEETS ASSETS Cash deposited with subsidiary bank $ 1,007 $ 921 Investment in subsidiary bank 69,309 64,272 Securities available-for-sale 90 80 Other assets 177 195 TOTAL ASSETS $ 70,583 $ 65,468 LIABILITIES AND SHAREHOLDERS’ EQUITY Total liabilities $ 51 $ 53 Total shareholders’ equity 70,532 65,415 TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 70,583 $ 65,468 (Dollars in thousands) 2017 2016 2015 CONDENSED STATEMENTS OF COMPREHENSIVE INCOME Interest on securities $ 2 $ 2 $ 2 Dividends from subsidiary 2,600 2,450 2,400 Securities gains – – 35 Total income 2,602 2,452 2,437 Operating expenses 348 384 465 Income before taxes and undistributed equity income of subsidiary 2,254 2,068 1,972 Income tax benefit (123 ) (131 ) (146 ) Equity earnings in subsidiary, net of dividends 4,724 4,539 3,904 NET INCOME $ 7,101 $ 6,738 $ 6,022 COMPREHENSIVE INCOME $ 7,421 $ 6,281 $ 5,887
Summary of Condensed Statements of Cash Flows	(Dollars in thousands) 2017 2016 2015 CONDENSED STATEMENTS OF CASH FLOWS Cash flows from operating activities: Net income $ 7,101 $ 6,738 $ 6,022 Adjustments to reconcile net income to cash provided by operations: Equity earnings in subsidiary, net of dividends (4,724 ) (4,539 ) (3,904 ) Securities gain – – (35 ) Change in other assets, liabilities 13 71 2 Net cash provided by operating activities 2,390 2,270 2,085 Cash flows from investing activities: Proceeds from sale of securities – – 88 Net cash provided by investing activities – – 88 Cash flows from financing activities: Cash dividends paid (2,304 ) (2,139 ) (2,082 ) Net cash used in financing activities (2,304 ) (2,139 ) (2,082 ) Increase in cash 86 131 91 Cash at beginning of year 921 790 699 Cash at end of year $ 1,007 $ 921 $ 790

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	12 Months Ended
	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Schedule of Fair Value of Assets Measured on Recurring Basis	The following table presents the assets reported on the consolidated statements of financial condition at their fair value on a recurring basis as of December 31, 2017 and December 31, 2016, by level within the fair value hierarchy. (Dollars in thousands) Level I Level II Level III Total Assets: December 31, 2017 Securities available-for-sale U.S. Treasury security $ 998 $ – $ – $ 998 U.S. Government agencies – 8,229 – 8,229 Mortgage-backed securities of government agencies – 49,701 – 49,701 Asset-backed securities of government agencies – 1,169 – 1,169 State and political subdivisions – 27,141 – 27,141 Corporate bonds – 10,425 – 10,425 Total debt securities 998 96,665 – 97,663 Equity securities 89 – – 89 Total available-for-sale $ 1,087 $ 96,665 $ – $ 97,752 Assets: December 31, 2016 Securities available-for-sale U.S. Treasury security $ 1,001 $ – $ – $ 1,001 U.S. Government agencies – 6,402 – 6,402 Mortgage-backed securities of government agencies – 55,837 – 55,837 Other mortgage-backed securities – 65 – 65 Asset-backed securities of government agencies – 1,266 – 1,266 State and political subdivisions – 29,708 – 29,708 Corporate bonds – 9,516 – 9,516 Total debt securities 1,001 102,794 – 103,795 Equity securities 80 – – 80 Total available-for-sale $ 1,081 $ 102,794 $ – $ 103,875
Schedule of Fair Value of Assets Measured on Nonrecurring Basis	The following table presents the assets measured on a nonrecurring basis on the consolidated balance sheets at their fair value as of December 31, 2017 and December 31, 2016, by level within the fair value hierarchy. (Dollars in thousands) Level I Level II Level III Total Assets measured on a nonrecurring basis December 31, 2017 Impaired loans $ – $ – $ 2,073 $ 2,073 Assets measured on a nonrecurring basis December 31, 2016 Impaired loans $ – $ – $ 3,118 $ 3,118
Schedule of Quantitative Information of Assets Measured at Fair Value on Nonrecurring Basis	The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which the Company has utilized Level III inputs to determine fair value: Quantitative Information about Level III Fair Value Measurements (Dollars in thousands) Fair Value Valuation Unobservable Input Range (Weighted Average) December 31, 2017 Impaired loans $ 551 Discounted Remaining term Discount rate 4 mos to 24.5 yrs / (20.3 mos 4.4% to 7.5% / (5.3 ) %) 1,522 Appraisal of 1 Appraisal adjustments 2 Liquidation expense 2 0% to –25% (–6.8 –10 %) % December 31, 2016 Impaired loans $ 3,033 Discounted Remaining term Discount rate 6 mos to 25.5 yrs / (16.7 mos 3.6% to 7.5% / (5.2 ) %) 85 Appraisal of 1 Appraisal adjustments 2 Liquidation expense 2 0% to –0% (–36 –10 %) % 1 2

Fair Values of Financial Inst43

Fair Values of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2017
Investments, All Other Investments [Abstract]
Schedule of Estimated Fair Values of Recognized Financial Instruments	The estimated fair values of recognized financial instruments as of December 31 were as follows: 2017 (Dollars in thousands) Carrying Level I Level II Level III Total Fair Financial assets Cash and cash equivalents $ 36,420 $ 36,420 $ – $ – $ 36,420 Securities available-for-sale 97,752 1,087 96,665 – 97,752 Securities held-to-maturity 25,758 – 25,491 – 25,491 Restricted stock 4,614 N/A N/A N/A N/A Loans held for sale 246 246 – – 246 Net loans 511,226 – – 513,106 513,106 Bank-owned life insurance 13,218 13,218 – – 13,218 Accrued interest receivable 1,545 1,545 – – 1,545 Mortgage servicing rights 270 – – 270 270 Financial liabilities Deposits $ 583,259 $ 473,467 $ – $ 110,224 $ 583,691 Short-term borrowings 39,480 39,480 – – 39,480 Other borrowings 11,409 – – 10,365 10,365 Accrued interest payable 90 90 – – 90 2016 (Dollars in thousands) Carrying Level I Level II Level III Total Fair Financial assets Cash and cash equivalents $ 36,838 $ 36,838 $ – $ – $ 36,838 Securities available-for-sale 103,875 1,081 102,794 – 103,875 Securities held-to-maturity 23,883 – 23,444 – 23,444 Restricted stock 4,614 N/A N/A N/A N/A Net loans 470,158 – – 471,815 471,815 Bank-owned life insurance 10,361 10,361 – – 10,361 Accrued interest receivable 1,409 1,409 – – 1,409 Mortgage servicing rights 261 – – 261 261 Financial liabilities Deposits $ 540,785 $ 428,676 $ – $ 112,642 $ 541,318 Short-term borrowings 48,742 48,742 – – 48,742 Other borrowings 12,385 – – 12,511 12,511 Accrued interest payable 76 76 – – 76

Accumulated Other Comprehensi44

Accumulated Other Comprehensive Income (Tables)	12 Months Ended
	Dec. 31, 2017
Equity [Abstract]
Schedule of Changes in Accumulated Other Comprehensive (Loss) Income by Component Net of Tax	The following table presents the changes in accumulated other comprehensive (loss) income by component net of tax for the years ended December 31, 2017 and 2016. (Dollars in thousands) Pretax Tax Effect After-Tax Affected Line Balance as of December 31, 2016 $ (1,323 ) $ 449 $ (874 ) Unrealized holding gain on available-for-sale 376 (128 ) 248 Amortization of held-to-maturity 108 (36 ) 72 Total other comprehensive income 484 (164 ) 320 Deferred tax reclassification from retained earnings – (109 ) (109 ) (b) Total other comprehensive income (loss) after reclassification 484 (273 ) 211 BALANCE AS OF DECEMBER 31, 2017 $ (839 ) $ 176 $ (663 ) Balance as of December 31, 2015 $ (631 ) $ 214 $ (417 ) Unrealized holding gain on available-for-sale (1,221 ) 415 (806 ) Amount reclassified for net gains included in net income (1 ) – (1 ) (a) Amortization of held-to-maturity 530 (180 ) 350 Total other comprehensive income (loss) (692 ) 235 (457 ) BALANCE AS OF DECEMBER 31, 2016 $ (1,323 ) $ 449 $ (874 ) Balance as of December 31, 2014 $ (427 ) $ 145 $ (282 ) Unrealized holding gain on available-for-sale (551 ) 187 (364 ) Amount reclassified for net gains included in net income (56 ) 19 (37 ) (a) (b) Amortization of held-to-maturity 403 (137 ) 266 Total other comprehensive income (loss) (204 ) 69 (135 ) BALANCE AS OF DECEMBER 31, 2015 $ (631 ) $ 214 $ (417 ) (a) Securities gain. (b) Federal income tax provision.

Quarterly Financial Data (Una45

Quarterly Financial Data (Unaudited) (Tables)	12 Months Ended
	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Summary of Quarterly Financial Data	The following is a summary of selected quarterly financial data (unaudited) for the years ended December 31: (Dollars in thousands, except per share data) Interest Income Net Interest Income Net Income Basic Earnings Per Share Diluted Earnings Per Share 2017 First quarter $ 6,247 $ 5,862 $ 1,730 $ 0.63 $ 0.63 Second quarter 6,413 5,950 1,726 0.63 0.63 Third quarter 6,766 6,204 1,866 0.68 0.68 Fourth quarter 7,014 6,436 1,779 0.65 0.65 2016 First quarter $ 5,661 $ 5,285 $ 1,480 $ 0.54 $ 0.54 Second quarter 5,813 5,446 1,611 0.59 0.59 Third quarter 5,863 5,497 1,694 0.61 0.61 Fourth quarter 6,295 5,931 1,953 0.72 0.72 2015 First quarter $ 5,407 $ 5,014 $ 1,342 $ 0.49 $ 0.49 Second quarter 5,568 5,175 1,517 0.55 0.55 Third quarter 5,463 5,068 1,556 0.57 0.57 Fourth quarter 5,559 5,173 1,607 0.59 0.59

Summary of Significant Accoun46

Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017USD ($)SegmentBankingCentersshares	Dec. 31, 2016USD ($)shares	Dec. 31, 2015USD ($)shares	Dec. 31, 2014shares
Summary Of Significant Accounting Policies [Line Items]
Number of operating industry segment | Segment	1
Number of banking centers | BankingCenters	15
Cash reserve requirement	$ 0	$ 0
Loan held for sale maximum period	3 days
Amount of other real state owned	$ 0	0
Impairment on goodwill	0	0
Advertising expenses	168,000	215,000	$ 229,000
Stock options outstanding	0
Stock-based compensation expenses	$ 0	$ 0	$ 0
Stock options outstanding | shares	0	0
Options outstanding | shares	0	0	5,952	11,904
Prior Period Reclassification Adjustment Effect	$ 0
Held-to-Maturity Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Total investment portfolio classified as held-to-maturity	20.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents, amounts due from banks and federal fund sold, maturity period	1 day
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Cash and cash equivalents, amounts due from banks and federal fund sold, maturity period	90 days
Buildings [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of individual assets	20 years
Buildings [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of individual assets	40 years
Equipment [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of individual assets	3 years
Equipment [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life of individual assets	10 years

Summary of Significant Accoun47

Summary of Significant Accounting Policies - Computation of Weighted Average Number of Common Shares Outstanding for Basic and Diluted Earnings Per Share (Detail) - shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average common shares	2,980,602	2,980,602	2,980,602
Average treasury shares	(238,360)	(238,574)	(241,132)
Total weighted average common shares outstanding (basic)	2,742,242	2,742,028	2,739,470
Dilutive effect of assumed exercise of stock options			2,638
Weighted average common shares outstanding (diluted)	2,742,242	2,742,028	2,742,108

Securities - Summary of Securit

Securities - Summary of Securities Available-for-Sale and Restricted Stock (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	$ 98,258	$ 104,757
Gross Unrealized Gains, Available-for-sale	442	434
Gross Unrealized Losses, Available-for-sale	948	1,316
Fair Value, Available-for-sale	97,752	103,875
Amortized Cost, Held to maturity	25,758	23,883
Gross Unrealized Gains, Held to maturity	111	158
Gross Unrealized Losses, Held to maturity	378	597
Fair Value, Held to maturity	25,491	23,444
Amortized Cost	128,630	133,254
Gross Unrealized Gains	553	592
Gross Unrealized Losses	1,326	1,913
Fair Value	127,857	131,933
U.S. Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	8,350	6,500
Gross Unrealized Losses, Available-for-sale	121	98
Fair Value, Available-for-sale	8,229	6,402
Amortized Cost, Held to maturity	9,477	9,472
Gross Unrealized Gains, Held to maturity	16	17
Gross Unrealized Losses, Held to maturity	228	396
Fair Value, Held to maturity	9,265	9,093
Mortgage-Backed Securities of Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	50,136	56,187
Gross Unrealized Gains, Available-for-sale	146	239
Gross Unrealized Losses, Available-for-sale	581	589
Fair Value, Available-for-sale	49,701	55,837
Amortized Cost, Held to maturity	11,581	14,411
Gross Unrealized Gains, Held to maturity	95	141
Gross Unrealized Losses, Held to maturity	145	201
Fair Value, Held to maturity	11,531	14,351
State and Political Subdivisions [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	27,020	30,007
Gross Unrealized Gains, Available-for-sale	224	140
Gross Unrealized Losses, Available-for-sale	103	439
Fair Value, Available-for-sale	27,141	29,708
Amortized Cost, Held to maturity	4,700
Gross Unrealized Losses, Held to maturity	5
Fair Value, Held to maturity	4,695
U.S. Treasury Security [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	999	1,001
Gross Unrealized Losses, Available-for-sale	1
Fair Value, Available-for-sale	998	1,001
Other Mortgage-Backed Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale		65
Fair Value, Available-for-sale		65
Asset-Backed Securities of Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	1,168	1,312
Gross Unrealized Gains, Available-for-sale	1
Gross Unrealized Losses, Available-for-sale		46
Fair Value, Available-for-sale	1,169	1,266
Corporate Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	10,532	9,632
Gross Unrealized Gains, Available-for-sale	35	28
Gross Unrealized Losses, Available-for-sale	142	144
Fair Value, Available-for-sale	10,425	9,516
Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	53	53
Gross Unrealized Gains, Available-for-sale	36	27
Fair Value, Available-for-sale	89	80
Restricted Stock [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost	4,614	4,614
Fair Value	$ 4,614	$ 4,614

Securities - Summary of Amortiz

Securities - Summary of Amortized Cost and Fair Value of Debt Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale
Due in one year or less, Amortized Cost	$ 5,121
Due after one through five years, Amortized Cost	17,239
Due after five through ten years, Amortized Cost	29,540
Due after ten years, Amortized Cost	46,305
Total debt securities available-for-sale, Amortized Cost	98,205
Due in one year or less, Fair Value	5,122
Due after one through five years, Fair Value	17,211
Due after five through ten years, Fair Value	29,508
Due after ten years, Fair Value	45,822
Total debt securities available-for-sale, Fair Value	97,663
Held-to-maturity
Due in one year or less, Amortized Cost	4,700
Due after one through five years, Amortized Cost	478
Due after five through ten years, Amortized Cost	3,000
Due after ten years, Amortized cost	17,580
Amortized Cost, Held to maturity	25,758	$ 23,883
Due in one year or less, Fair Value	4,695
Due after one through five years, Fair Value	494
Due after five through ten years, Fair Value	2,887
Due after ten years, Fair Value	17,415
Total debt securities held-to-maturity, Fair Value	$ 25,491	$ 23,444

Securities - Additional Informa

Securities - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)Securities	Dec. 31, 2016USD ($)
Investments, Debt and Equity Securities [Abstract]
Carrying value of pledged securities	$ 94,000	$ 94,800
Restricted stock investment in FHLB stock	4,100	4,100
Federal Reserve Bank stock	$ 471	$ 471
Number of securities in an unrealized loss position, Total | Securities	74
Number of securities in continuous unrealized loss position, 12 months or more | Securities	33

Securities - Summary of Proceed

Securities - Summary of Proceeds and Gains and Losses from Sales of Available-for-Sale Securities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Proceeds	$ 1	$ 1,576
Realized gains	1	56
Realized losses	0	0
Net securities gains	$ 1	$ 56

Securities - Summary of Gross U

Securities - Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Total	$ 378	$ 597
Gross Unrealized Losses, Total	948	1,316
Gross Unrealized Losses, Less Than 12 Months	258	1,583
Fair Value, Less Than 12 Months	37,484	67,186
Gross Unrealized Losses, 12 Months Or More	1,068	330
Fair Value, 12 Months Or More	37,697	6,776
Gross Unrealized Losses, Total	1,326	1,913
Fair Value, Total	75,181	73,962
U.S. Treasury Security [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, Less Than 12 Months	1
Fair Value, Less Than 12 Months	998
Gross Unrealized Losses, Total	1
Fair Value, Total	998
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Less Than 12 Months	15	396
Held-to-maturity, Fair Value, Less Than 12 Months	1,985	8,602
Held-to-maturity, Gross Unrealized Losses, 12 Months Or More	213
Held-to-maturity, Fair Value, 12 Months Or More	6,785
Held-to-maturity, Gross Unrealized Losses, Total	228	396
Held-to-maturity, Fair Value, Total	8,770	8,602
Gross Unrealized Losses, Less Than 12 Months	46	98
Fair Value, Less Than 12 Months	3,804	6,402
Gross Unrealized Losses, 12 Months Or More	75
Fair Value, 12 Months Or More	4,425
Gross Unrealized Losses, Total	121	98
Fair Value, Total	8,229	6,402
Mortgage-Backed Securities of Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Less Than 12 Months	18	28
Held-to-maturity, Fair Value, Less Than 12 Months	1,818	2,018
Held-to-maturity, Gross Unrealized Losses, 12 Months Or More	127	173
Held-to-maturity, Fair Value, 12 Months Or More	3,116	3,621
Held-to-maturity, Gross Unrealized Losses, Total	145	201
Held-to-maturity, Fair Value, Total	4,934	5,639
Gross Unrealized Losses, Less Than 12 Months	145	589
Fair Value, Less Than 12 Months	16,872	27,243
Gross Unrealized Losses, 12 Months Or More	436
Fair Value, 12 Months Or More	17,259
Gross Unrealized Losses, Total	581	589
Fair Value, Total	34,131	27,243
State and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Total	5
Gross Unrealized Losses, Less Than 12 Months	26	439
Fair Value, Less Than 12 Months	4,400	19,328
Gross Unrealized Losses, 12 Months Or More	77
Fair Value, 12 Months Or More	3,752
Gross Unrealized Losses, Total	103	439
Fair Value, Total	8,152	19,328
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, Less Than 12 Months	2	33
Fair Value, Less Than 12 Months	2,912	3,593
Gross Unrealized Losses, 12 Months Or More	140	111
Fair Value, 12 Months Or More	2,360	1,889
Gross Unrealized Losses, Total	142	144
Fair Value, Total	$ 5,272	5,482
Asset-Backed Securities of Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, 12 Months Or More		46
Fair Value, 12 Months Or More		1,266
Gross Unrealized Losses, Total		46
Fair Value, Total		$ 1,266

Loans - Summary of Loans (Detai

Loans - Summary of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	$ 516,300	$ 474,968
Deferred loan costs	530	481
Total loans	516,830	475,449
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	140,273	134,268
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	179,663	159,475
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	157,172	144,489
Construction & Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	22,886	23,428
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	$ 16,306	$ 13,308

Loans - Schedule of Allowances

Loans - Schedule of Allowances for Loan Losses by Portfolio Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 5,291	$ 4,662	$ 4,381
PROVISION FOR LOAN LOSSES	1,145	493	389
Charge-offs	(1,204)	(418)	(348)
Recoveries	372	554	240
Net charge-offs	(832)	136	(108)
Ending balance	5,604	5,291	4,662
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	2,207	1,664	1,289
PROVISION FOR LOAN LOSSES	429	626	285
Charge-offs	(1,184)	(297)	(109)
Recoveries	361	214	199
Net charge-offs	(823)	(83)	90
Ending balance	1,813	2,207	1,664
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,264	1,271	1,524
PROVISION FOR LOAN LOSSES	471	(291)	(205)
Charge-offs		(50)	(61)
Recoveries		334	13
Net charge-offs		284	(48)
Ending balance	1,735	1,264	1,271
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,189	1,086	1,039
PROVISION FOR LOAN LOSSES	76	110	161
Charge-offs		(12)	(132)
Recoveries	8	5	18
Net charge-offs	8	(7)	(114)
Ending balance	1,273	1,189	1,086
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	178	123	142
PROVISION FOR LOAN LOSSES	59	55	(19)
Ending balance	237	178	123
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	141	86	60
PROVISION FOR LOAN LOSSES	51	113	62
Charge-offs	(20)	(59)	(46)
Recoveries	3	1	10
Net charge-offs	(17)	(58)	(36)
Ending balance	175	141	86
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	312	432	327
PROVISION FOR LOAN LOSSES	59	(120)	105
Ending balance	$ 371	$ 312	$ 432

Loans - Allowances for Loan Los

Loans - Allowances for Loan Losses and Ending Balances by Portfolio Class and Based on Impairment Method (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	$ 244	$ 729
Collectively evaluated for impairment	5,360	4,562
Total ending allowance balance	5,604	5,291	$ 4,662	$ 4,381
Loans:
Loans individually evaluated for impairment	7,882	7,156
Loans collectively evaluated for impairment	508,418	467,812
Total ending loans balance	516,300	474,968
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	74	705
Collectively evaluated for impairment	1,739	1,502
Total ending allowance balance	1,813	2,207	1,664	1,289
Loans:
Loans individually evaluated for impairment	1,726	5,028
Loans collectively evaluated for impairment	138,547	129,240
Total ending loans balance	140,273	134,268
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	151
Collectively evaluated for impairment	1,584	1,264
Total ending allowance balance	1,735	1,264	1,271	1,524
Loans:
Loans individually evaluated for impairment	4,686	621
Loans collectively evaluated for impairment	174,977	158,854
Total ending loans balance	179,663	159,475
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	19	24
Collectively evaluated for impairment	1,254	1,165
Total ending allowance balance	1,273	1,189	1,086	1,039
Loans:
Loans individually evaluated for impairment	1,470	1,507
Loans collectively evaluated for impairment	155,702	142,982
Total ending loans balance	157,172	144,489
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	237	178
Total ending allowance balance	237	178	123	142
Loans:
Loans collectively evaluated for impairment	22,886	23,428
Total ending loans balance	22,886	23,428
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	175	141
Total ending allowance balance	175	141	86	60
Loans:
Loans collectively evaluated for impairment	16,306	13,308
Total ending loans balance	16,306	13,308
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	371	312
Total ending allowance balance	$ 371	$ 312	$ 432	$ 327

Loans - Schedule of Impairment

Loans - Schedule of Impairment by Class of Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 9,832	$ 7,953	$ 9,495
Recorded Investment with no Allowance	5,565	3,326	7,469
Recorded Investment with Allowance	2,317	3,847	1,262
Total Recorded Investment	7,882	7,173	8,731
Related Allowance	244	729	389
Average Recorded Investment	7,573	8,902	9,063
Interest Income Recognized	123	312	309
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	3,352	5,476	6,541
Recorded Investment with no Allowance	1,329	1,690	5,832
Recorded Investment with Allowance	399	3,354	301
Total Recorded Investment	1,728	5,044	6,133
Related Allowance	74	705	299
Average Recorded Investment	2,884	6,609	5,972
Interest Income Recognized	52	241	230
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	4,826	796	1,265
Recorded Investment with no Allowance	3,117	600	670
Recorded Investment with Allowance	1,566	21	393
Total Recorded Investment	4,683	621	1,063
Related Allowance	151		64
Average Recorded Investment	3,213	786	1,420
Interest Income Recognized	14	10	18
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,654	1,681	1,689
Recorded Investment with no Allowance	1,119	1,036	967
Recorded Investment with Allowance	352	472	568
Total Recorded Investment	1,471	1,508	1,535
Related Allowance	19	24	26
Average Recorded Investment	1,476	1,507	1,671
Interest Income Recognized	$ 57	$ 61	$ 61

Loans - Schedule of Aging of Pa

Loans - Schedule of Aging of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 508,392	$ 471,722
Non-accrual	6,081	1,449
Total past due and non-accrual	7,908	3,246
Total ending loans balance	516,300	474,968
30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,275	1,423
60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	111	139
90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	441	235
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	138,908	133,630
Non-accrual	1,152	425
Total past due and non-accrual	1,365	638
Total ending loans balance	140,273	134,268
Commercial [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	148	151
Commercial [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	65	62
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	175,062	158,504
Non-accrual	4,384	497
Total past due and non-accrual	4,601	971
Total ending loans balance	179,663	159,475
Commercial Real Estate [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	177	435
Commercial Real Estate [Member] | 90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	40	39
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	155,488	142,926
Non-accrual	488	490
Total past due and non-accrual	1,684	1,563
Total ending loans balance	157,172	144,489
Residential Real Estate [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	757	816
Residential Real Estate [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	38	61
Residential Real Estate [Member] | 90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	401	196
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	22,886	23,428
Total ending loans balance	22,886	23,428
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	16,048	13,234
Non-accrual	57	37
Total past due and non-accrual	258	74
Total ending loans balance	16,306	13,308
Consumer [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	193	21
Consumer [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 8	$ 16

Loans - Additional Information

Loans - Additional Information (Detail)	3 Months Ended	12 Months Ended
	Dec. 31, 2016USD ($)Contract	Dec. 31, 2017USD ($)	Dec. 31, 2016USD ($)Contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructurings	$ 6,400,000	$ 2,900,000	$ 6,400,000
Reserves allocated to customers whose loan terms are modified in troubled debt restructurings	711,000	38,000	$ 711,000
Loans payable in nonaccrual of interest status		900,000
Loans restructured, subsequently defaulted | Contract			0
Foreclosed real estate	$ 0	0	$ 0
Mortgage loans in process of foreclosure amount		114,000	448,000
Outstanding balance of commercial loans classified under credit risk, minimum amount		300,000
Loans listed as not rated under risk category, maximum amount		300,000
Loans serviced for others		82,700,000	85,900,000
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans restructured, subsequently defaulted | Contract	1
Loans restructured, subsequently defaulted	$ 3,300,000
Mortgage Servicing Rights [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage servicing rights	$ 261,000	270,000	261,000
Valuation allowance		0	0
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential Mortgage Loans with servicing retained		64,700,000	$ 61,800,000
Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructurings		$ 2,000,000

Loans - Summary of Troubled Deb

Loans - Summary of Troubled Debt Restructuring (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2017USD ($)Contract	Dec. 31, 2016USD ($)Contract
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	8	5
Pre-Modification Recorded Investment	$ 490	$ 3,708
Post-Modification Recorded Investment	$ 490	$ 3,708
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	2	4
Pre-Modification Recorded Investment	$ 150	$ 3,607
Post-Modification Recorded Investment	$ 150	$ 3,607
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	4
Pre-Modification Recorded Investment	$ 288
Post-Modification Recorded Investment	$ 288
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	2	1
Pre-Modification Recorded Investment	$ 52	$ 101
Post-Modification Recorded Investment	$ 52	$ 101

Loans - Summary of Loans by Cre

Loans - Summary of Loans by Credit Quality Indicator (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 516,300	$ 474,968
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	140,273	134,268
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	179,663	159,475
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	157,172	144,489
Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22,886	23,428
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	16,306	13,308
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	297,543	283,768
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	116,833	116,739
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	162,012	149,630
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	205	216
Pass [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	18,493	17,183
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22,785	12,023
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	13,685	6,874
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,220	4,168
Special Mention [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	880	981
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	17,988	15,149
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,841	9,704
Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,620	4,766
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	470	175
Substandard [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		504
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	57
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	177,984	164,028
Not Rated [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	914	951
Not Rated [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	811	911
Not Rated [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	156,497	144,098
Not Rated [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,513	4,760
Not Rated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 16,249	$ 13,308

Loans - Schedule of Loans Not R

Loans - Schedule of Loans Not Rated by Class of Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	$ 178,041	$ 164,028
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	914	951
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	811	911
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	156,497	144,098
Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	3,513	4,760
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	16,306	13,308
Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	177,095	163,333
Performing [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	914	951
Performing [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	811	911
Performing [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	155,608	143,440
Performing [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	3,513	4,760
Performing [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	16,249	13,271
Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	946	695
Nonperforming [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	889	658
Nonperforming [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans not rated by class of loans	$ 57	$ 37

Premises and Equipment - Compon

Premises and Equipment - Components of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 19,351	$ 18,509
Accumulated depreciation	10,107	9,760
Premises and equipment, net	9,244	8,749
Land and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	1,925	1,607
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	11,206	10,365
Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	6,121	6,346
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 99	$ 191

Premises and Equipment - Additi

Premises and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Rental Expenses	$ 158	$ 191	$ 301
Depreciation	$ 652	$ 690	$ 660

Premises and Equipment - Summar

Premises and Equipment - Summary of Future Minimum Lease Payments (Detail) $ in Thousands	Dec. 31, 2017USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2,018	$ 108
2,019	71
2,020	71
Total	$ 250

Core Deposit Intangible Asset65

Core Deposit Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Amortization Expense [Line Items]
Amortization Expenses	$ 116,000	$ 121,000	$ 125,000
Core deposit intangible	0	0	0
Core Deposits [Member]
Amortization Expense [Line Items]
Amortization Expenses	$ 116,000	$ 121,000	$ 125,000
Asset Amortized over an estimated life	10 years

Core Deposit Intangible Asset66

Core Deposit Intangible Assets - Core Deposit Intangible and Related Accumulated Amortization (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill And Core Deposit Intangibles [Line Items]
Net carrying amount	$ 267
Core Deposits [Member]
Goodwill And Core Deposit Intangibles [Line Items]
Gross carrying amount	1,251	$ 1,251	$ 1,251
Accumulated amortization	(984)	(868)	(747)
Net carrying amount	$ 267	$ 383	$ 504

Core Deposit Intangible Asset67

Core Deposit Intangible Assets - Future Amortization Expense for Core Deposit Asset (Detail) $ in Thousands	Dec. 31, 2017USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2,018	$ 101
2,019	63
2,020	59
2,021	44
Net carrying amount	$ 267

Interest-Bearing Deposits - Sum

Interest-Bearing Deposits - Summary of Interest - Bearing Deposits (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Interest Bearing Deposits [Line Items]
Total interest-bearing deposits	$ 409,588	$ 372,961
Interest-bearing Deposits [Member]
Interest Bearing Deposits [Line Items]
Demand	119,579	97,683
Savings	180,217	163,169
In excess of $250,000	12,026	13,102
Other	97,766	99,007
Total interest-bearing deposits	$ 409,588	$ 372,961

Interest-Bearing Deposits - Sta

Interest-Bearing Deposits - Stated Maturities of Time Deposits (Detail) $ in Thousands	Dec. 31, 2017USD ($)
Banking and Thrift [Abstract]
2,018	$ 61,124
2,019	21,409
2,020	10,830
2,021	11,148
2,022	5,281
Total	$ 109,792

Borrowings - Short-Term Borrowi

Borrowings - Short-Term Borrowings (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Equity Method Investments And Cost Method Investments [Abstract]
Balance at year-end	$ 39,480	$ 48,742
Average balance outstanding	50,445	51,801
Maximum month-end balance	$ 56,932	$ 55,642
Weighted-average rate at year-end	0.39%	0.16%
Weighted-average rate during the year	0.29%	0.14%

Borrowings - Summary of Repurch

Borrowings - Summary of Repurchase Agreements Accounted for as Secured Borrowings (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Short-term Debt [Abstract]
Securities of U.S. Government agencies and mortgage-backed securities of government agencies pledged, fair value	$ 39,637	$ 48,866
Repurchase agreements	$ 39,480	$ 48,742

Borrowings - Concerning of Othe

Borrowings - Concerning of Other Borrowings (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Other borrowings	$ 11,409	$ 12,385
Fixed Rate Borrowing [Member]
Debt Instrument [Line Items]
Maturity date Range, From	Dec. 20, 2017
Maturity date Range, To	Dec. 21, 2017
Weighted Average Interest Rate	3.61%
Other borrowings		10,000
Fixed Rate Borrowing [Member] | Minimum [Member]
Debt Instrument [Line Items]
Stated Interest Rate Range	3.48%
Fixed Rate Borrowing [Member] | Maximum [Member]
Debt Instrument [Line Items]
Stated Interest Rate Range	3.73%
Fixed Rate Amortizing Borrowing [Member]
Debt Instrument [Line Items]
Maturity date Range, From	Apr. 1, 2024
Maturity date Range, To	Jun. 1, 2037
Weighted Average Interest Rate	1.86%
Other borrowings	$ 11,409	$ 2,385
Fixed Rate Amortizing Borrowing [Member] | Minimum [Member]
Debt Instrument [Line Items]
Stated Interest Rate Range	1.16%
Fixed Rate Amortizing Borrowing [Member] | Maximum [Member]
Debt Instrument [Line Items]
Stated Interest Rate Range	2.01%

Borrowings - Schedule of Maturi

Borrowings - Schedule of Maturities Other Borrowings (Detail) - Other Borrowings [Member] $ in Thousands	Dec. 31, 2017USD ($)
Debt Instrument [Line Items]
2,018	$ 2,884
2,019	2,195
2,020	1,665
2,021	1,258
2022 and beyond	3,407
Long term Debt, Total	$ 11,409
Weighted Average Interest Rate, 2018	1.83%
Weighted Average Interest Rate, 2019	1.83%
Weighted Average Interest Rate, 2020	1.84%
Weighted Average Interest Rate, 2021	1.85%
Weighted Average Interest Rate, 2022 and beyond	1.92%
Total	1.86%

Borrowings - Additional Informa

Borrowings - Additional Information (Detail) $ in Millions	Dec. 31, 2017USD ($)
Debt Instrument [Line Items]
Additional borrowing capacity	$ 81.8
Minimum [Member]
Debt Instrument [Line Items]
Principal curtailment is due on borrowings	10.00%
Maximum [Member]
Debt Instrument [Line Items]
Principal curtailment is due on borrowings	20.00%

Income Taxes - Provision for In

Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current	$ 3,296	$ 2,973	$ 2,564
Deferred	(167)	(4)	83
Change in corporate tax rate	101
Total income tax provision	$ 3,230	$ 2,969	$ 2,647

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($)	Dec. 22, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Effective tax rate	35.00%		34.00%	34.00%	34.00%
Tax expense (benefit) due to Tax Cuts and Jobs Act			$ 101,000
Liability for uncertain tax position			0
Unrecognized tax benefits			$ 0
Scenario, Forecast [Member]
Income Taxes [Line Items]
Effective tax rate		21.00%

Income Taxes - Income Tax Provi

Income Taxes - Income Tax Provision Attributable to Income from Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Expected provision using statutory federal income tax rate	$ 3,513	$ 3,300	$ 2,947
Effect of bond and loan tax-exempt income	(251)	(241)	(216)
Interest expense associated with carrying certain tax exempt bonds and loans	6	5	4
Bank owned life insurance income	(121)	(94)	(92)
Other	83	(1)	4
Total income tax provision	$ 3,230	$ 2,969	$ 2,647

Income Taxes - Tax Effects of T

Income Taxes - Tax Effects of Temporary Differences of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Components of Deferred Tax Assets and Liabilities [Abstract]
Allowance for loan losses	$ 1,275	$ 1,957
Net operating loss carryforward		84
Unrealized loss on securities available-for-sale	176	450
Other	50	29
Deferred tax assets	1,501	2,520
Premises and equipment	(363)	(384)
Federal Home Loan Bank stock dividends	(376)	(609)
Deferred loan fees	(232)	(362)
Prepaid expenses	(89)	(182)
Other	(279)	(380)
Deferred tax liabilities	(1,339)	(1,917)
Net deferred tax asset	$ 162	$ 603

Employee Benefits - Additional

Employee Benefits - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Profit sharing contribution		3.00%	3.00%	2.75%
Company match of participant contributions		50.00%
Maximum annual compensation contribution		2.00%	2.00%	2.00%
Expense under plan		$ 363	$ 338	$ 304
Options outstanding		0	0	5,952	11,904
Total intrinsic value of stock options and outstanding				$ 39
Total intrinsic value of exercisable stock options				$ 39
Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Company match of participant contributions	100.00%
Maximum annual compensation contribution	4.00%

Employee Benefits - Summary of

Employee Benefits - Summary of Stock Options Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding at beginning of year, Shares	5,952	11,904
Granted, Shares	0	0
Exercised, Shares	(5,952)	(5,952)
Forfeited, Shares	0	0
Outstanding at end of year, Shares	0	5,952
Options exercisable at year-end, Shares		5,952
Outstanding at beginning of year, Weighted Average Exercise Price	$ 18	$ 18
Granted, Weighted Average Exercise Price	0	0
Exercised, Weighted Average Exercise Price	(18)	(18)
Forfeited, Weighted Average Exercise Price	0	0
Outstanding at end of year, Weighted Average Exercise Price		18
Options exercisable at year-end, Weighted Average Exercise Price		18
Weighted-average fair value of options granted during year, Weighted Average Exercise Price	$ 0	$ 0

Financial Instruments with Of81

Financial Instruments with Off-Balance Sheet Risk - Summary of Financial Instruments whose Contract Amount Represents Credit Risk (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Off Balance Sheet Financing [Line Items]
Fair value of financial instruments	$ 849	$ 972
Commitments to Extend Credit [Member]
Off Balance Sheet Financing [Line Items]
Fair value of financial instruments	$ 177,354	$ 162,763

Related-Party Transactions - Su

Related-Party Transactions - Summary of Analysis of Activity of Related-Party Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Related Party Transactions [Abstract]
Balance at beginning of year	$ 321	$ 495
New loans and advances	478	84
Repayments, including loans sold	294	117
Changes in related parties		(141)
Balance at end of year	$ 505	$ 321

Related-Party Transactions - Ad

Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Related Party Transactions [Abstract]
Deposits from executive officers, directors and their related business interests	$ 2.1	$ 3

Regulatory Matters - Summary of

Regulatory Matters - Summary of Actual Capital Amounts and Ratios of Company and Bank (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Consolidated [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital to risk-weighted assets, Actual Amount	$ 71,815	$ 66,545
Tier 1 capital to risk-weighted assets, Actual Amount	66,203	61,246
Common equity tier 1 capital to risk-weighted assets, Actual Amount	66,203	61,246
Tier 1 capital to average assets, Actual Amount	$ 66,203	$ 61,246
Total capital to risk-weighted assets, Actual Ratio	13.80%	13.70%
Tier 1 capital to risk-weighted assets, Actual Ratio	12.70%	12.60%
Common equity tier 1 capital to risk-weighted assets, Actual Ratio	12.70%	12.60%
Tier 1 capital to average assets, Actual Ratio	9.30%	9.30%
Total capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	$ 41,693	$ 38,936
Tier 1 capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	31,270	29,202
Common equity tier I capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	23,452	21,901
Tier 1 capital to average assets, Minimum required for capital adequacy purposes Amount	$ 28,437	$ 26,330
Total capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	8.00%	8.00%
Tier 1 capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	6.00%	6.00%
Common equity tier I capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	4.50%	4.50%
Tier 1 capital to average assets, Minimum required for capital adequacy purposes Ratio	4.00%	4.00%
Total capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	$ 52,116	$ 48,670
Tier 1 capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	41,693	38,936
Common equity tier I capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	33,876	31,635
Tier 1 capital to average assets, Minimum required to be well capitalized under prompt corrective action Amount	$ 35,546	$ 32,913
Total capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	10.00%	10.00%
Tier 1 capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	8.00%	8.00%
Common equity tier I capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	6.50%	6.50%
Tier 1 capital to average assets, Minimum required to be well capitalized under prompt corrective action Ratio	5.00%	5.00%
Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital to risk-weighted assets, Actual Amount	$ 70,672	$ 65,420
Tier 1 capital to risk-weighted assets, Actual Amount	65,060	60,121
Common equity tier 1 capital to risk-weighted assets, Actual Amount	65,060	60,121
Tier 1 capital to average assets, Actual Amount	$ 65,060	$ 60,121
Total capital to risk-weighted assets, Actual Ratio	13.60%	13.50%
Tier 1 capital to risk-weighted assets, Actual Ratio	12.50%	12.40%
Common equity tier 1 capital to risk-weighted assets, Actual Ratio	12.50%	12.40%
Tier 1 capital to average assets, Actual Ratio	9.20%	9.10%
Total capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	$ 41,684	$ 38,925
Tier 1 capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	31,263	29,194
Common equity tier I capital to risk-weighted assets, Minimum required for capital adequacy purposes Amount	23,447	21,895
Tier 1 capital to average assets, Minimum required for capital adequacy purposes Amount	$ 28,432	$ 26,325
Total capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	8.00%	8.00%
Tier 1 capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	6.00%	6.00%
Common equity tier I capital to risk-weighted assets, Minimum required for capital adequacy purposes Ratio	4.50%	4.50%
Tier 1 capital to average assets, Minimum required for capital adequacy purposes Ratio	4.00%	4.00%
Total capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	$ 52,105	$ 48,656
Tier 1 capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	41,684	38,925
Common equity tier I capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Amount	33,868	31,626
Tier 1 capital to average assets, Minimum required to be well capitalized under prompt corrective action Amount	$ 35,541	$ 32,906
Total capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	10.00%	10.00%
Tier 1 capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	8.00%	8.00%
Common equity tier I capital to risk-weighted assets, Minimum required to be well capitalized under prompt corrective action Ratio	6.50%	6.50%
Tier 1 capital to average assets, Minimum required to be well capitalized under prompt corrective action Ratio	5.00%	5.00%

Regulatory Matters - Additional

Regulatory Matters - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2018
Schedule Of Regulatory Assets And Liabilities [Line Items]
Period of Retained Earnings For Restriction of Dividend	2 years
Maximum percentage of secured loans of Bank's common stock and capital surplus	10.00%
Subsequent Event [Member]
Schedule Of Regulatory Assets And Liabilities [Line Items]
Provision for dividend to the Company		$ 9.3

Condensed Parent Company Fina86

Condensed Parent Company Financial Information - Summary of Condensed Financial Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash deposited with subsidiary bank	$ 17,255	$ 13,590
Securities available-for-sale	97,752	103,875
TOTAL ASSETS	707,063	669,978
LIABILITIES AND SHAREHOLDERS' EQUITY
Total liabilities	636,531	604,563
Total shareholders' equity	70,532	65,415	$ 61,266	$ 57,450
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	707,063	669,978
Parent Company [Member]
ASSETS
Cash deposited with subsidiary bank	1,007	921
Investment in subsidiary bank	69,309	64,272
Securities available-for-sale	90	80
Other assets	177	195
TOTAL ASSETS	70,583	65,468
LIABILITIES AND SHAREHOLDERS' EQUITY
Total liabilities	51	53
Total shareholders' equity	70,532	65,415
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 70,583	$ 65,468

Condensed Parent Company Fina87

Condensed Parent Company Financial Information - Summary of Condensed Statements of Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Interest on securities	$ 7,014	$ 6,766	$ 6,413	$ 6,247	$ 6,295	$ 5,863	$ 5,813	$ 5,661	$ 5,559	$ 5,463	$ 5,568	$ 5,407	$ 26,440	$ 23,632	$ 21,997
Securities gains														1	56
NET INCOME	$ 1,779	$ 1,866	$ 1,726	$ 1,730	$ 1,953	$ 1,694	$ 1,611	$ 1,480	$ 1,607	$ 1,556	$ 1,517	$ 1,342	7,101	6,738	6,022
COMPREHENSIVE INCOME													7,421	6,281	5,887
Parent Company [Member]
Interest on securities													2	2	2
Dividends from subsidiary													2,600	2,450	2,400
Securities gains															35
Total income													2,602	2,452	2,437
Operating expenses													348	384	465
Income before taxes and undistributed equity income of subsidiary													2,254	2,068	1,972
Income tax benefit													(123)	(131)	(146)
Equity earnings in subsidiary, net of dividends													4,724	4,539	3,904
NET INCOME													7,101	6,738	6,022
COMPREHENSIVE INCOME													$ 7,421	$ 6,281	$ 5,887

Condensed Parent Company Fina88

Condensed Parent Company Financial Information - Summary of Condensed Statements of Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net income	$ 1,779	$ 1,866	$ 1,726	$ 1,730	$ 1,953	$ 1,694	$ 1,611	$ 1,480	$ 1,607	$ 1,556	$ 1,517	$ 1,342	$ 7,101	$ 6,738	$ 6,022
Adjustments to reconcile net income to cash provided by operations:
Securities gain														(1)	(56)
Change in other assets, liabilities													289	(1,521)	316
Net cash provided by operating activities													8,955	6,967	7,666
Cash flows from investing activities:
Proceeds from sale of securities														1	1,576
Net cash provided by investing activities													(39,305)	(21,069)	(36,685)
Cash flows from financing activities:
Cash dividends paid													(2,304)	(2,139)	(2,082)
Net cash used in financing activities													29,932	12,668	23,368
Increase in cash													(418)	(1,434)	(5,651)
Parent Company [Member]
Cash flows from operating activities:
Net income													7,101	6,738	6,022
Adjustments to reconcile net income to cash provided by operations:
Equity earnings in subsidiary, net of dividends													(4,724)	(4,539)	(3,904)
Securities gain															(35)
Change in other assets, liabilities													13	71	2
Net cash provided by operating activities													2,390	2,270	2,085
Cash flows from investing activities:
Proceeds from sale of securities															88
Net cash provided by investing activities															88
Cash flows from financing activities:
Cash dividends paid													(2,304)	(2,139)	(2,082)
Net cash used in financing activities													(2,304)	(2,139)	(2,082)
Increase in cash													86	131	91
Cash at beginning of year				$ 921				$ 790				$ 699	921	790	699
Cash at end of year	$ 1,007				$ 921				$ 790				$ 1,007	$ 921	$ 790

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Liabilities carried at fair value	$ 0	$ 0

Fair Value Measurements - Sched

Fair Value Measurements - Schedule of Fair Value of Assets Measured on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Total Securities Available-for-sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 97,752	$ 103,875
U.S. Treasury Security [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	998	1,001
U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	8,229	6,402
Mortgage-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	49,701	55,837
Other Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets		65
Asset-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	1,169	1,266
State and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	27,141	29,708
Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	10,425	9,516
Total Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	97,663	103,795
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	89	80
Level I [Member] | Total Securities Available-for-sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	1,087	1,081
Level I [Member] | U.S. Treasury Security [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	998	1,001
Level I [Member] | Total Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	998	1,001
Level I [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	89	80
Level II [Member] | Total Securities Available-for-sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	96,665	102,794
Level II [Member] | U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	8,229	6,402
Level II [Member] | Mortgage-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	49,701	55,837
Level II [Member] | Other Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets		65
Level II [Member] | Asset-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	1,169	1,266
Level II [Member] | State and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	27,141	29,708
Level II [Member] | Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	10,425	9,516
Level II [Member] | Total Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 96,665	$ 102,794

Fair Value Measurements - Sch91

Fair Value Measurements - Schedule of Fair Value of Assets Measured on Nonrecurring Basis (Detail) - Fair Value, Measurements, Nonrecurring [Member] - Impaired Loans [Member] - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 2,073	$ 3,118
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 2,073	$ 3,118

Fair Value Measurements - Sch92

Fair Value Measurements - Schedule of Quantitative Information of Assets Measured at Fair Value on Nonrecurring Basis (Detail) - Level III [Member] - Impaired Loans [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Discounted Cash Flow [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 551	$ 3,033
Discounted Cash Flow [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining term	4 months	6 months
Discount rate	4.40%	3.60%
Discounted Cash Flow [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining term	24 years 6 months	25 years 6 months
Discount rate	7.50%	7.50%
Discounted Cash Flow [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Remaining term	20 months 9 days	16 months 21 days
Discount rate	5.30%	5.20%
Appraisal of Collateral [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Estimate	$ 1,522	$ 85
Liquidation expense	(10.00%)	(10.00%)
Appraisal of Collateral [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Appraisal adjustments	0.00%	0.00%
Appraisal of Collateral [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Appraisal adjustments	(25.00%)	0.00%
Appraisal of Collateral [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Appraisal adjustments	(6.80%)	(36.00%)

Fair Values of Financial Inst93

Fair Values of Financial Instruments - Schedule of Estimated Fair Values of Recognized Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Financial assets
Securities available-for-sale	$ 97,752	$ 103,875
Securities held-to-maturity	25,491	23,444
Loans held for sale	246
Bank-owned life insurance	13,218	10,361
Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	270	261
Carrying Value [Member]
Financial assets
Cash and cash equivalents	36,420	36,838
Securities available-for-sale	97,752	103,875
Securities held-to-maturity	25,758	23,883
Restricted stock	4,614	4,614
Loans held for sale	246
Net loans	511,226	470,158
Bank-owned life insurance	13,218	10,361
Accrued interest receivable	1,545	1,409
Financial liabilities
Deposits	583,259	540,785
Short-term borrowings	39,480	48,742
Other borrowings	11,409	12,385
Accrued interest payable	90	76
Carrying Value [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	270	261
Fair Value [Member]
Financial assets
Cash and cash equivalents	36,420	36,838
Securities available-for-sale	97,752	103,875
Securities held-to-maturity	25,491	23,444
Loans held for sale	246
Net loans	513,106	471,815
Bank-owned life insurance	13,218	10,361
Accrued interest receivable	1,545	1,409
Financial liabilities
Deposits	583,691	541,318
Short-term borrowings	39,480	48,742
Other borrowings	10,365	12,511
Accrued interest payable	90	76
Fair Value [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	270	261
Fair Value [Member] | Level I [Member]
Financial assets
Cash and cash equivalents	36,420	36,838
Securities available-for-sale	1,087	1,081
Loans held for sale	246
Bank-owned life insurance	13,218	10,361
Accrued interest receivable	1,545	1,409
Financial liabilities
Deposits	473,467	428,676
Short-term borrowings	39,480	48,742
Accrued interest payable	90	76
Fair Value [Member] | Level II [Member]
Financial assets
Securities available-for-sale	96,665	102,794
Securities held-to-maturity	25,491	23,444
Fair Value [Member] | Level III [Member]
Financial assets
Net loans	513,106	471,815
Financial liabilities
Deposits	110,224	112,642
Other borrowings	10,365	12,511
Fair Value [Member] | Level III [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	$ 270	$ 261

Fair Values of Financial Inst94

Fair Values of Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Commitments to extend credit and letters of credit	$ 178.2	$ 163.7

Accumulated Other Comprehensi95

Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive (Loss) Income by Component Net of Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized holding gain on available-for-sale securities arising during the period, Pretax	$ 376	$ (1,221)	$ (551)
Amount reclassified for net gains included in net income, Pretax		(1)	(56)
Unrealized holding gain on available-for-sale securities arising during the period, Tax Effect	164	(235)	(50)
Amount reclassified for net gains included in net income, Tax Effect			(19)
Beginning balance, After-tax	(874)
Other comprehensive income (loss)	320	(457)	(135)
Ending Balance, After-tax	(663)	(874)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, Pretax	(1,323)	(631)	(427)
Unrealized holding gain on available-for-sale securities arising during the period, Pretax	376	(1,221)	(551)
Amount reclassified for net gains included in net income, Pretax		(1)	(56)
Amortization of held-to-maturity discount resulting from transfer, Pretax	108	530	403
Total other comprehensive income (loss)	484	(692)	(204)
Deferred tax reclassification from retained earnings, Pretax	0
Total other comprehensive income (loss) after reclassification, Pretax	484
Ending balance, Pretax	(839)	(1,323)	(631)
Beginning balance, Tax Effect	449	214	145
Unrealized holding gain on available-for-sale securities arising during the period, Tax Effect	(128)	415	187
Amount reclassified for net gains included in net income, Tax Effect			19
Amortization of held-to-maturity discount resulting from transfer, Tax Effect	(36)	(180)	(137)
Total other comprehensive income (loss), Tax Effect	(164)	235	69
Deferred tax reclassification from retained earnings, Tax Effect	(109)
Total other comprehensive income (loss)after reclassification, Tax Effect	(273)
Ending Balance, Tax Effect	176	449	214
Beginning balance, After-tax	(874)	(417)	(282)
Unrealized holding gain on available-for-sale securities arising during the period, After-tax	248	(806)	(364)
Amount reclassified for net gains included in net income, After-tax		(1)	(37)
Amortization of held-to-maturity discount resulting from transfer, After-tax	72	350	266
Other comprehensive income (loss)	320	(457)	(135)
Deferred tax reclassification from retained earnings, After-tax	(109)
Total other comprehensive income (loss) after reclassification, After-tax	211
Ending Balance, After-tax	$ (663)	$ (874)	$ (417)

Contingent Liabilities - Additi

Contingent Liabilities - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Period of termination	2 years

Quarterly Financial Data (Una97

Quarterly Financial Data (Unaudited) - Summary of Quarterly Financial Data (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Interest income	$ 7,014	$ 6,766	$ 6,413	$ 6,247	$ 6,295	$ 5,863	$ 5,813	$ 5,661	$ 5,559	$ 5,463	$ 5,568	$ 5,407	$ 26,440	$ 23,632	$ 21,997
Net interest income	6,436	6,204	5,950	5,862	5,931	5,497	5,446	5,285	5,173	5,068	5,175	5,014	24,452	22,159	20,430
Net income	$ 1,779	$ 1,866	$ 1,726	$ 1,730	$ 1,953	$ 1,694	$ 1,611	$ 1,480	$ 1,607	$ 1,556	$ 1,517	$ 1,342	$ 7,101	$ 6,738	$ 6,022
Basic earnings per share	$ 0.65	$ 0.68	$ 0.63	$ 0.63	$ 0.72	$ 0.61	$ 0.59	$ 0.54	$ 0.59	$ 0.57	$ 0.55	$ 0.49	$ 2.59	$ 2.46	$ 2.20
Diluted earnings per share	$ 0.65	$ 0.68	$ 0.63	$ 0.63	$ 0.72	$ 0.61	$ 0.59	$ 0.54	$ 0.59	$ 0.57	$ 0.55	$ 0.49	$ 2.59	$ 2.46	$ 2.20