CSB Bancorp (CSBB) 10-Q 9 Aug 18 2018 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 01, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q2
Trading Symbol	CSBB
Entity Registrant Name	CSB BANCORP INC /OH
Entity Central Index Key	880,417
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		2,742,242

Consolidated Balance Sheets (Un

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Cash and cash equivalents
Cash and due from banks	$ 14,956	$ 17,255
Interest-earning deposits in other banks	28,275	19,165
Total cash and cash equivalents	43,231	36,420
Securities
Available-for-sale, at fair value	90,808	97,663
Held-to-maturity (fair value 2018-$21,173; 2017-$25,491)	21,882	25,758
Equity Securities	94	89
Restricted stock, at cost	4,614	4,614
Total securities	117,398	128,124
Loans held for sale	100	246
Loans	535,427	516,830
Less allowance for loan losses	5,918	5,604
Net loans	529,509	511,226
Premises and equipment, net	9,563	9,244
Core deposit intangible	217	268
Goodwill	4,728	4,728
Bank-owned life insurance	13,384	13,218
Accrued interest receivable and other assets	5,169	3,589
TOTAL ASSETS	723,299	707,063
Deposits
Noninterest-bearing	178,343	173,671
Interest-bearing	416,730	409,588
Total deposits	595,073	583,259
Short-term borrowings	44,155	39,480
Other borrowings	8,827	11,409
Accrued interest payable and other liabilities	2,666	2,383
Total liabilities	650,721	636,531
SHAREHOLDERS' EQUITY
Common stock, $6.25 par value. Authorized 9,000,000 shares; issued 2,980,602 shares; outstanding (shares 2018 and 2017-2,742,242)	18,629	18,629
Additional paid-in capital	9,815	9,815
Retained earnings	50,736	47,535
Treasury stock at cost (shares 2018 and 2017-238,360)	(4,784)	(4,784)
Accumulated other comprehensive loss	(1,818)	(663)
Total shareholders' equity	72,578	70,532
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 723,299	$ 707,063

Consolidated Balance Sheets (U3

Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Held-to-maturity, fair value	$ 21,173	$ 25,491
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
Common stock, shares outstanding	2,742,242	2,742,242
Treasury stock, at cost	238,360	238,360

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
INTEREST AND DIVIDEND INCOME
Loans, including fees	$ 6,515	$ 5,584	$ 12,654	$ 11,033
Taxable securities	594	598	1,197	1,196
Nontaxable securities	152	174	313	339
Other	83	57	129	91
Total interest and dividend income	7,344	6,413	14,293	12,659
INTEREST EXPENSE
Deposits	560	307	1,014	574
Short-term borrowings	84	35	138	57
Other borrowings	48	121	100	216
Total interest expense	692	463	1,252	847
NET INTEREST INCOME	6,652	5,950	13,041	11,812
Provision for loan losses	324	845	648	685
Net interest income, after provision for loan losses	6,328	5,105	12,393	11,127
NONINTEREST INCOME
Gain on sale of loans, net	60	61	137	103
Earnings on bank owned life insurance	85	86	166	184
Unrealized gain or loss on equity securities			4
Other income	183	197	350	377
Total noninterest income	1,168	1,060	2,313	2,166
NONINTEREST EXPENSES
Salaries and employee benefits	2,718	2,472	5,355	4,931
Occupancy expense	214	214	434	424
Equipment expense	160	171	316	341
Professional and director fees	239	234	551	403
Financial institutions and franchise tax expense	142	127	284	258
Marketing and public relations	119	89	239	167
Software expense	221	203	434	413
Debit card expense	126	141	242	271
Amortization of intangible assets	25	29	50	58
FDIC insurance expense	72	52	147	103
Provision (reversal) for unfunded loan commitments		(540)
Other expenses	583	496	1,104	965
Total noninterest expenses	4,619	3,688	9,156	8,334
Income before income taxes	2,877	2,477	5,550	4,959
FEDERAL INCOME TAX PROVISION	553	751	1,062	1,503
NET INCOME	$ 2,324	$ 1,726	$ 4,488	$ 3,456
Basic and diluted net earnings per share	$ 0.85	$ 0.63	$ 1.64	$ 1.26
Deposit Account [Member]
NONINTEREST INCOME
Noninterest income	$ 300	$ 268	$ 584	$ 559
Fiduciary and Trust [Member]
NONINTEREST INCOME
Noninterest income	217	152	436	359
Debit Card [Member]
NONINTEREST INCOME
Noninterest income	$ 323	$ 296	$ 636	$ 584

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 2,324	$ 1,726	$ 4,488	$ 3,456
Other comprehensive (loss) income
Unrealized (losses) gains arising during the period	(156)	916	(1,467)	1,386
Amounts reclassified from accumulated other comprehensive loss, held-to-maturity	20	26	41	58
Income tax effect	29	(321)	300	(492)
Other comprehensive (loss) income	(107)	621	(1,126)	952
Total comprehensive income	$ 2,217	$ 2,347	$ 3,362	$ 4,408

Condensed Consolidated Statemen

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) $ in Thousands	USD ($)$ / shares
Balance at beginning of period at Dec. 31, 2016	$ 65,415
Statement of Stockholders' Equity [Abstract]
Net income	3,456
Other comprehensive (loss) income	952
Cash dividends declared	(1,097)
Balance at end of period at Jun. 30, 2017	$ 68,726
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.40
Balance at beginning of period at Mar. 31, 2017	$ 66,927
Statement of Stockholders' Equity [Abstract]
Net income	1,726
Other comprehensive (loss) income	621
Cash dividends declared	(548)
Balance at end of period at Jun. 30, 2017	$ 68,726
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.20
Balance at beginning of period at Dec. 31, 2017	$ 70,532
Statement of Stockholders' Equity [Abstract]
Net income	4,488
Other comprehensive (loss) income	(1,126)
Cash dividends declared	(1,316)
Balance at end of period at Jun. 30, 2018	$ 72,578
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.48
Balance at beginning of period at Mar. 31, 2018	$ 71,019
Statement of Stockholders' Equity [Abstract]
Net income	2,324
Other comprehensive (loss) income	(107)
Cash dividends declared	(658)
Balance at end of period at Jun. 30, 2018	$ 72,578
Statement of Stockholders' Equity [Abstract]
Cash dividends declared per share | $ / shares	$ 0.24

Condensed Consolidated Stateme7

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Statement of Cash Flows [Abstract]
NET CASH FROM OPERATING ACTIVITIES	$ 4,023	$ 3,024
Securities:
Proceeds from repayments, available-for-sale	6,151	11,187
Proceeds from repayments, held-to-maturity	5,956	1,447
Purchases, available-for-sale	(992)	(9,243)
Purchases, held-to-maturity	(2,029)	(4,700)
Loan originations, net of repayments	(18,938)	(22,820)
Property, equipment, and software acquisitions	(639)	(293)
Proceeds from sale of other real estate	30
Net cash used in investing activities	(10,461)	(24,422)
CASH FLOWS FROM FINANCING ACTIVITIES
Net change in deposits	11,814	6,319
Net change in short-term borrowings	4,675	8,190
Proceeds from other borrowings		10,000
Repayment of other borrowings	(2,582)	(604)
Cash dividends paid	(658)	(549)
Net cash provided by financing activities	13,249	23,356
NET INCREASE IN CASH AND CASH EQUIVALENTS	6,811	1,958
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	36,420	36,838
CASH AND CASH EQUIVALENTS AT END OF PERIOD	43,231	38,796
Cash paid during the year for:
Interest	1,276	836
Income taxes	1,110	2,160
Noncash financing activities:
Dividends declared	$ 658	$ 548

Summary of Significant Accounti

Summary of Significant Accounting Policies	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The accompanying condensed consolidated financial statements include the accounts of CSB Bancorp, Inc. and its wholly-owned subsidiaries, The Commercial and Savings Bank (the “Bank”) and CSB Investment Services, LLC (together referred to as the “Company” or “CSB”). All significant intercompany transactions and balances have been eliminated in consolidation. The condensed consolidated financial statements have been prepared without audit. In the opinion of management, all adjustments (which include normal recurring adjustments) necessary to present fairly the Company’s financial position at June 30, 2018, and the results of operations and changes in cash flows for the periods presented have been made. Certain information and footnote disclosures typically included in financial statements prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) have been omitted. The Annual Report for CSB for the year ended December 31, 2017, contains Consolidated Financial Statements and related footnote disclosures, which should be read in conjunction with the accompanying Consolidated Financial Statements. The results of operations for the periods ended June 30, 2018 are not necessarily indicative of the operating results for the full year or any future interim period. Certain items in the prior-year financial statements were reclassified to conform to the current-year presentation. ADOPTION OF NEW ACCOUNTING PRONOUNCEMENTS ASU 2014-09 2014-09 Revenue from Contracts with Customers – Topic 606 in-scope Management determined that the primary sources of revenue emanating from interest and dividend income on loans and securities along with noninterest revenue resulting from investment security gains, loan servicing, gains on the sale of loans, commitment fees, fees from financial guarantees, certain credit cards fees, and income on bank-owned life insurance are not within the scope of ASC 606. As a result, no changes were made during the period related to these sources of revenue, which cumulatively comprise 88 percent of the total revenue of the Company. Services within the scope of ASC 606 include income from fiduciary activities, service charges on deposit accounts, other service income, ATM fees, interchange fees, and gain on sale of OREO, net. Service charges on deposit accounts – the Bank has contracts with its deposit customers where fees are charged if the account balance falls below predetermined levels defined as compensating balances. These agreements can be cancelled at any time by either the Bank or the deposit customer. Revenue from these transactions is recognized on a monthly basis as the Bank has an unconditional right to the fee consideration. The Bank also has transaction fees related to specific transactions or activities resulting from a customer request or activity that include overdraft fees, online banking fees, and other transaction fees. All of these fees are attributable to specific performance obligations of the Bank where the revenue is recognized at a defined point in time, completion of the requested service/transaction. Fiduciary/trust fees – Typical contracts for trust services are based on a fixed percentage of the assets earned ratably over a defined period and billed on a monthly or quarterly basis. Fees charged to customers’ accounts are recognized as revenue over the period during which the Bank fulfills its performance obligation under the contract (i.e., holding client asset in a managed fiduciary trust account). For these accounts, the performance obligation of the Bank is typically satisfied by holding and managing the customer’s assets over time. Other fees related to specific customer requests are attributable to specific performance obligations of the Bank where the revenue is recognized at a defined point in time, completion of the requested service/transaction. Interchange fees – The Bank is a member of Visa U.S.A. Inc. and receives interchange fees as a result of customer usage of Bank issued debit cards. The bank’s performance obligation is to provide debit cards for customers to use as a method of payment. Fees received are allocated by Visa and are a percentage of the transaction amount and also vary by the merchant where the card was used. Fees are recognized daily the day after the transaction is processed. Brokerage commissions – Brokerage commissions are based on a percentage of the initial investment. Commissions on transactions are recognized monthly on a trade-date basis as the performance obligation is satisfied at the point in time in which the trade is processed. ASU 2016-01 one-time ASU 2016-02 right-of-use RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS ASU 2016-13 one-time one-time ASU 2017-04 ASU 2018-02

Securities

Securities	6 Months Ended
	Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Securities	NOTE 2 – SECURITIES Securities consist of the following at June 30, 2018 and December 31, 2017: (Dollars in thousands) Amortized Gross Gross Fair value June 30, 2018 Available-for-sale U.S. Treasury security $ 993 $ — $ 1 $ 992 U.S. Government agencies 8,350 — 259 8,091 Mortgage-backed securities of government agencies 45,948 24 1,233 44,739 Asset-backed securities of government agencies 1,104 — 3 1,101 State and political subdivisions 26,419 47 349 26,117 Corporate bonds 10,003 3 238 9,768 Total available-for-sale 92,817 74 2,083 90,808 Held-to-maturity U.S. Government agencies 9,479 4 452 9,031 Mortgage-backed securities of government agencies 12,403 14 275 12,142 Total held-to-maturity 21,882 18 727 21,173 Equity securities 53 41 — 94 Restricted stock 4,614 — — 4,614 Total securities $ 119,366 $ 133 $ 2,810 $ 116,689 December 31, 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 Total available-for-sale 98,205 406 948 97,663 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 Equity securities 53 36 — 89 Restricted stock 4,614 — — 4,614 Total securities $ 128,630 $ 553 $ 1,326 $ 127,857 The amortized cost and fair value of debt securities at June 30, 2018, 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 Available-for-sale Due in one year or less $ 5,068 $ 5,060 Due after one through five years 16,684 16,467 Due after five through ten years 28,245 27,683 Due after ten years 42,820 41,598 Total debt securities available-for-sale $ 92,817 $ 90,808 Held-to-maturity Due in one year or less $ — $ — Due after one through five years 481 485 Due after five through ten years 3,000 2,811 Due after ten years 18,401 17,877 Total debt securities held-to-maturity $ 21,882 $ 21,173 Securities with a fair value of approximately $96 million and $94 million were pledged at June 30, 2018 and December 31, 2017, 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 Federal Home Loan Bank of Cincinnati (FHLB) and Federal Reserve Bank stock. The Bank’s investment in FHLB stock amounted to approximately $4.1 million at June 30, 2018 and December 31, 2017. Federal Reserve Bank stock was $471 thousand at June 30, 2018 and December 31, 2017. There were no proceeds from sales of securities for the three or six month periods ending June 30, 2018 and 2017. The following table presents gross unrealized losses and fair value of securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2018 and December 31, 2017: 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 June 30, 2018 Available-for-sale U.S. Treasury security $ 1 $ 992 $ — $ — $ 1 $ 992 U.S. Government agencies 56 1,944 203 6,147 259 8,091 Mortgage-backed securities of government agencies 460 25,360 773 17,787 1,233 43,147 Asset-backed securities of government agencies 3 1,101 — — 3 1,101 State and political subdivisions 177 12,944 172 3,643 349 16,587 Corporate bonds 64 6,464 174 2,326 238 8,790 Held-to-maturity U.S. Government agencies 44 1,956 408 6,591 452 8,547 Mortgage-backed securities of government agencies 142 7,325 133 2,846 275 10,171 Total temporarily impaired securities $ 947 $ 58,086 $ 1,863 $ 39,340 $ 2,810 $ 97,426 December 31, 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 There were 119 securities in an unrealized loss position at June 30, 2018, thirty-six

Loans

Loans	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Loans	NOTE 3 – LOANS Loans consist of the following: (Dollars in thousands) June 30, 2018 December 31, 2017 Commercial $ 142,019 $ 140,273 Commercial real estate 182,034 179,663 Residential real estate 162,184 157,172 Construction & land development 30,706 22,886 Consumer 17,918 16,306 Total loans before deferred costs 534,861 516,300 Deferred loan costs 566 530 Total Loans $ 535,427 $ 516,830 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 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 its 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. The cash flows of borrowers; however, 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. In addition, management tracks the level of owner-occupied commercial real estate loans versus non-owner With respect to loans to developers and builders that are secured by non-owner Construction and land development loans often involve the disbursement of substantial funds with repayment substantially dependent on the success of the ultimate project. Sources of repayment for these types of loans may be pre-committed on-site The Company originates consumer loans utilizing a judgmental underwriting process. To monitor and manage consumer loan risk, policies and procedures are developed and modified, as needed, jointly by line and staff personnel. This activity, coupled with relatively small loan amounts that are spread across many individual borrowers, minimizes risk. The Company maintains an independent loan review department that reviews and validates the credit risk program on a periodic basis. Results of these reviews are presented to management. 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. Loans serviced for others approximated $85.4 million and $82.7 million at June 30, 2018 and December 31, 2017, respectively. 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 commercial real estate loans. As of June 30, 2018 and December 31, 2017, there were no concentrations of loans related to any single industry. Allowance for Loan Losses The following tables detail activity in the allowance for loan losses by portfolio segment for the three and six months ended June 30, 2018 and 2017. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories. The increase in the provision for loan losses for the six months ended June 30, 2018 related to commercial loans was primarily due to the increase in substandard loans in this category. The decrease in the provision related to commercial real estate loans is due to the decrease of loan delinquencies in this category. The increase in the provision related to consumer loans is primarily due to the increase loan volume and charge-offs of loans in this category. The increase in the provision for loan losses for the three months ended June 30, 2017 related to commercial loans was primarily due to the increase in the specific allocation related to two commercial relationships. The decrease in the provision related to residential real estate is due to the improvement in the historical losses of loans in this category. The increase in the provision for loan losses related to commercial real estate was due to the increase in the specific allocation for one relationship, the increase in nonaccrual loans in this category and the increase of special mention loan balances. The decrease in the provision for loan losses for the six months ended June 30, 2017 related to commercial loans was primarily due to the recovery of prior loan charge-offs from one relationship. Summary of Allowance for Loan Losses (Dollars in thousands) Commercial Commercial Residential Real Estate Construction & Land Consumer Unallocated Total Three months ended June 30, 2018 Beginning balance $ 1,884 $ 1,699 $ 1,196 $ 244 $ 188 $ 422 $ 5,633 Provision for loan losses (31 ) (87 ) 39 35 107 261 324 Charge-offs (9 ) 0 0 0 (36 ) (45 ) Recoveries 5 0 1 0 0 6 Net charge-offs (4 ) 0 1 0 (36 ) (39 ) Ending balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Six months ended June 30, 2018 Beginning balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 Provision for loan losses 226 (61 ) (1 ) 42 130 312 648 Charge-offs (203 ) (62 ) (37 ) 0 (46 ) (348 ) Recoveries 13 0 1 0 0 14 Net charge-offs (190 ) (62 ) (36 ) 0 (46 ) (334 ) Ending balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Three months ended June 30, 2017 Beginning balance $ 1,704 $ 1,538 $ 1,303 $ 184 $ 165 $ 560 $ 5,454 Provision for loan losses 675 180 (47 ) 38 18 (19 ) 845 Charge-offs (32 ) — — — (2 ) (34 ) Recoveries 15 — 8 — 1 24 Net charge-offs (17 ) — 8 — (1 ) (10 ) Ending balance $ 2,362 $ 1,718 $ 1,264 $ 222 $ 182 $ 541 $ 6,289 Six months ended June 30, 2017 Beginning balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Provision for loan losses (156 ) 454 67 44 47 229 685 Charge-offs (40 ) — — — (7 ) — (47 ) Recoveries 351 — 8 — 1 — 360 Net charge-offs 311 — 8 — (6 ) — 313 Ending balance $ 2,362 $ 1,718 $ 1,264 $ 222 $ 182 $ 541 $ 6,289 The following table presents the balance in the allowance for loan losses and the ending loan balances by portfolio class and based on the impairment method as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Commercial Commercial Residential Construction Consumer Unallocated Total June 30, 2018 Allowance for loan losses: Individually evaluated for impairment $ 4 $ 46 $ 16 $ — $ — $ — $ 66 Collectively evaluated for impairment 1,845 1,566 1,220 279 259 683 5,852 Total ending allowance balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Loans: Loans individually evaluated for impairment $ 1,096 $ 3,458 $ 1,374 $ — $ — $ 5,928 Loans collectively evaluated for impairment 140,923 178,576 160,810 30,706 17,918 528,933 Total ending loans balance $ 142,019 $ 182,034 $ 162,184 $ 30,706 $ 17,918 $ 534,861 December 31, 2017 Allowance for loan losses: 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 The following table presents loans individually evaluated for impairment by class of loans as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Unpaid Recorded Recorded Total Related June 30, 2018 Commercial $ 2,722 $ 1,093 $ 4 $ 1,097 $ 4 Commercial real estate 3,656 3,145 319 3,464 46 Residential real estate 1,525 1,019 359 1,378 16 Total impaired loans $ 7,903 $ 5,257 $ 682 $ 5,939 $ 66 December 31, 2017 Commercial $ 3,352 $ 1,329 $ 399 $ 1,728 $ 74 Commercial real estate 4,826 3,117 1,566 4,683 151 Residential real estate 1,654 1,119 352 1,471 19 Total impaired loans $ 9,832 $ 5,565 $ 2,317 $ 7,882 $ 244 The following table presents the average recorded investment in impaired loans and related interest income recognized for the periods indicated. Three months Six months ended June 30, ended June 30, (Dollars in thousands) 2018 2017 2018 2017 Average recorded investment: Commercial $ 1,190 $ 2,794 $ 1,491 $ 3,505 Commercial real estate 2,700 3,600 3,595 2,019 Residential real estate 1,131 1,540 1,287 1,514 Average recorded investment in impaired loans $ 5,021 $ 7,934 $ 6,373 $ 7,038 Interest income recognized: Commercial $ 10 $ 17 $ 21 $ 31 Commercial real estate 4 2 8 2 Residential real estate 12 15 26 30 Interest income recognized on a cash basis on impaired loans $ 26 $ 34 $ 55 $ 63 The following table presents the aging of past due loans and nonaccrual loans as of June 30, 2018 and December 31, 2017 by class of loans: (Dollars in thousands) Current 30 - 59 60 - 89 90 Days + Non-Accrual Total Past Non-Accrual Total June 30, 2018 Commercial $ 141,180 $ 43 $ 75 $ — $ 721 $ 839 $ 142,019 Commercial real estate 178,927 55 — — 3,052 3,107 182,034 Residential real estate 160,667 585 326 82 524 1,517 162,184 Construction & land development 30,706 — — — — — 30,706 Consumer 17,706 111 81 — 20 212 17,918 Total Loans $ 529,186 $ 794 $ 482 $ 82 $ 4,317 $ 5,675 $ 534,861 December 31, 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 Troubled Debt Restructurings All troubled debt restructurings (“TDR’s) are individually evaluated for impairment and a related allowance is recorded, as needed. Loans whose terms have been modified as TDR’s totaled $2.8 million as of June 30, 2018, and $2.9 million as of December 31, 2017, with $38 thousand of specific reserves allocated to those loans for both periods. At June 30, 2018, $1.9 million of the loans classified as TDR’s were performing in accordance with their modified terms. Of the remaining $833 thousand, all were in nonaccrual of interest status. The Company held no other real estate at June 30, 2018 or December 31, 2017. Consumer mortgage loans in the process of foreclosure were $35 thousand at June 30, 2018 and $114 thousand at December 31, 2017. (Dollars in thousands) Number of Pre-Modification Post-Modification For the three months ended June 30, 2018 Commercial 1 $ 200 $ 200 Total Restructured Loans 1 $ 200 $ 200 For the six months ended June 30, 2018 Commercial 1 $ 200 $ 200 Total Restructured Loans 1 $ 200 $ 200 For the three months ended June 30, 2017 Commercial Real Estate 4 $ 288 $ 288 Residential Real Estate 1 14 14 Total Restructured Loans 5 $ 302 $ 302 For the six months ended June 30, 2017 Commercial Real Estate 4 $ 288 $ 288 Residential Real Estate 1 14 14 Total Restructured Loans 5 $ 302 $ 302 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 defaulted in the second quarter of 2017. 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 is as follows as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Pass Special Substandard Doubtful Not Rated Total June 30, 2018 Commercial $ 119,590 $ 4,850 $ 16,564 $ — $ 1,015 $ 142,019 Commercial real estate 164,149 8,834 7,858 — 1,193 182,034 Residential real estate 200 — 266 — 161,718 162,184 Construction & land development 26,614 — — — 4,092 30,706 Consumer — — 21 — 17,897 17,918 Total $ 310,553 $ 13,684 $ 24,709 $ — $ 185,915 $ 534,861 December 31, 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 The following table presents loans that are not rated by class of loans as of June 30, 2018 and December 31, 2017. Nonperforming loans include loans past due 90 days or more and loans on nonaccrual of interest status. (Dollars in thousands) Performing Non-Performing Total June 30, 2018 Commercial $ 1,015 $ — $ 1,015 Commercial real estate 1,193 — 1,193 Residential real estate 161,112 606 161,718 Construction & land development 4,092 — 4,092 Consumer 17,877 20 17,897 Total $ 185,289 $ 626 $ 185,915 December 31, 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

Short-Term Borrowings

Short-Term Borrowings	6 Months Ended
	Jun. 30, 2018
Debt Disclosure [Abstract]
Short-Term Borrowings	NOTE 4 – SHORT-TERM BORROWINGS The following table provides additional detail regarding repurchase agreements accounted for as secured borrowings. Remaining Contractual Maturity Overnight and Continuous June 30, December 31, (Dollars in thousands) 2018 2017 Securities of U.S. Government Agencies and mortgage-backed securities of government agencies pledged, fair value $ 44,343 $ 39,637 Repurchase agreements 44,155 39,480

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Jun. 30, 2018
Fair Value Disclosures [Abstract]
Fair Value Measurements	NOTE 5 – 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; and inputs that are derived principally from or corroborated by observable market data by corroborated or other means. 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 Balance Sheets at their fair value on a recurring basis as of June 30, 2018 and December 31, 2017 by level within the fair value hierarchy. No liabilities are carried at fair value. 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 with readily determinable values 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 agencies, mortgage-backed securities, asset-backed securities, obligations of states and political subdivisions and corporate bonds are valued at observable market data for similar assets. Equity securities without readily determinable values are carried at amortized cost adjusted for impairment and observable price changes. (Dollars in thousands) Level I Level II Level III Total June 30, 2018 Assets: Securities available-for-sale U.S. Treasury security $ 992 $ — $ — $ 992 U.S. Government agencies — 8,091 — 8,091 Mortgage-backed securities of government agencies — 44,739 — 44,739 Asset-backed securities of government agencies — 1,101 — 1,101 State and political subdivisions — 26,117 — 26,117 Corporate bonds — 9,768 — 9,768 Total available-for-sale $ 992 $ 89,816 $ — $ 90,808 Equity securities $ 48 $ — $ 46 $ 94 December 31, 2017 Assets: 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 available-for-sale $ 998 $ 96,665 $ — $ 97,663 Equity securities $ 89 $ — $ — $ 89 The following table presents the assets measured on a nonrecurring basis on the Consolidated Balance Sheets at their fair value as of June 30, 2018 and December 31, 2017, by level within the fair value hierarchy. Impaired loans are written down to fair value through the establishment of specific reserves. Techniques used to value the collateral that secure the impaired loans include: quoted market prices for identical assets classified as Level I inputs; and 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 June 30, 2018 Assets measured on a nonrecurring basis: Impaired loans $ — $ — $ 616 $ 616 December 31, 2017 Assets measured on a nonrecurring basis: Impaired loans $ — $ — $ 2,073 $ 2,073 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 Techniques Unobservable Input Range (Weighted Average) June 30, 2018 Impaired loans $ 583 Discounted cash flow Remaining term Discount rate 1.7 yrs to 27 yrs / (14.4 yrs) 33 Appraisal of collateral (1) Appraisal adjustments (2) (2) 25% to 100% (85%) 10% December 31, 2017 Impaired loans $ 551 Discounted cash flow Remaining term Discount rate 4 mos to 24.5 yrs / (12.7 yrs) 1,522 Appraisal of collateral (1) Appraisal adjustments (2) Liquidation expense (2) 6% to 100% (7%) 10% (1) Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various inputs which are not identifiable. (2) Appraisals may be adjusted by management for qualitative factors. The range of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

Fair Values of Financial Instru

Fair Values of Financial Instruments	6 Months Ended
	Jun. 30, 2018
Investments, All Other Investments [Abstract]
Fair Values of Financial Instruments	NOTE 6 – FAIR VALUES OF FINANCIAL INSTRUMENTS The fair values of recognized financial instruments as of June 30, 2018 and December 31, 2017 are as follows: (Dollars in thousands) Carrying Level I Level II Level III Fair Value June 30, 2018 Financial assets Cash and cash equivalents $ 43,231 $ 43,231 $ — $ — $ 43,231 Securities available-for-sale 90,808 992 89,816 — 90,808 Securities held-to-maturity 21,882 — 21,173 — 21,173 Equity securities 94 48 — 46 94 Restricted stock 4,614 N/A N/A N/A N/A Loans held for sale 100 100 — — 100 Net loans 529,509 — — 524,812 524,812 Bank-owned life insurance 13,384 13,384 — — 13,384 Accrued interest receivable 1,555 1,555 — — 1,555 Mortgage servicing rights 270 — — 270 270 Financial liabilities Deposits $ 595,073 $ 478,654 $ — $ 114,027 $ 592,681 Short-term borrowings 44,155 44,155 — — 44,155 Other borrowings 8,827 — — 8,136 8,136 Accrued interest payable 66 66 — — 66 December 31, 2017 Financial assets Cash and cash equivalents $ 36,420 $ 36,420 $ — $ — $ 36,420 Securities available-for-sale 97,663 998 96,665 — 97,663 Securities held-to-maturity 25,758 — 25,491 — 25,491 Equity securities 89 89 — — 89 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 For purposes of the above disclosures of fair value, the following assumptions are used: Cash and cash equivalents; Loans held for sale; Accrued interest receivable; Short-term borrowings and Accrued interest payable The fair value of the above instruments is considered to be carrying value, classified as Level I in the fair value hierarchy. Securities The fair value of securities available-for-sale held-to-maturity Equity investments with a readily determinable value are classified as Level I and equity investments without a readily determinable value are classified as Level III. The following table presents the carrying amount of equity investments without readily determinable fair values, the annual and cumulative amount of impairment, and the annual and cumulative amount of observable price changes for orderly transactions for the identical or a similar investment of the same issuer: June 30, 2018 (Dollars in thousands) Year-to-Date Life-to-Date Amortized cost $ 44 $ 44 Impairment — — Observable price changes 2 2 Carrying value $ 46 $ 46 Net loans Effective first quarter 2018 the fair value of loans were determined using an exit price methodology as prescribed by ASU 2016-01.The 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 Federal Home Loan Bank 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. Mortgage servicing rights The fair value of mortgage servicing rights is based on a valuation model that calculates the present value of estimated net servicing income. The valuation model incorporates discounted cash flow and repayment assumptions based on management’s best judgment, classified as Level III. 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 Federal Home Loan Bank 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 has unrecognized financial instruments at June 30, 2018 and December 31, 2017. These financial instruments relate to commitments to extend credit and letters of credit. The aggregated contract amount of such financial instruments was approximately $174.7 million at June 30, 2018 and $178.2 million at December 31, 2017. Such amounts are also considered to be the fair values. The fair value estimates of financial instruments are made at a specific point in time based on relevant market information. 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 and involve uncertainties and matters of significant judgment and therefore, cannot be

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	6 Months Ended
	Jun. 30, 2018
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	NOTE 7 - The following table presents the changes in accumulated other comprehensive income (loss) by component net of tax for the three and six month periods ended June 30, 2018 and 2017: (Dollars in thousands) Pretax Tax Effect After-tax Three months ended June 30, 2018 Balance as of March 31, 2018 $ (2,165 ) $ 454 $ (1,711 ) Unrealized holding loss on available-for-sale (156 ) 33 (123 ) Amortization of held-to-maturity 20 (4 ) 16 Total other comprehensive income (136 ) 29 (107 ) Balance as of June 30, 2018 $ (2,301 ) $ 483 $ (1,818 ) Six months ended June 30, 2018 Balance as of December 31, 2017 $ (839 ) $ 176 $ (663 ) Unrealized holding loss on available-for-sale (1,539 ) 323 (1,216 ) Reclassify equity AOCI gain to retained earnings 36 (7 ) 29 Amortization of held-to-maturity 41 (9 ) 32 Total other comprehensive income (1,462 ) 307 (1,155 ) Balance as of June 30, 2018 $ (2,301 ) $ 483 $ (1,818 ) Three months ended June 30, 2017 Balance as of March 31, 2017 $ (821 ) $ 278 $ (543 ) Unrealized holding gain on available-for-sale 916 (312 ) 604 Amortization of held-to-maturity 26 (9 ) 17 Total other comprehensive income 942 (321 ) 621 Balance as of June 30, 2017 $ 121 $ (43 ) $ 78 Six months ended June 30, 2017 Balance as of December 31, 2016 $ (1,323 ) $ 449 $ (874 ) Unrealized holding gain on available-for-sale 1,386 (471 ) 915 Amortization of held-to-maturity 58 (21 ) 37 Total other comprehensive income 1,444 (492 ) 952 Balance as of June 30, 2017 $ 121 $ (43 ) $ 78

Summary of Significant Accoun15

Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2018
Accounting Policies [Abstract]
Revenue Recognition	ASU 2014-09 2014-09 Revenue from Contracts with Customers – Topic 606 in-scope Management determined that the primary sources of revenue emanating from interest and dividend income on loans and securities along with noninterest revenue resulting from investment security gains, loan servicing, gains on the sale of loans, commitment fees, fees from financial guarantees, certain credit cards fees, and income on bank-owned life insurance are not within the scope of ASC 606. As a result, no changes were made during the period related to these sources of revenue, which cumulatively comprise 88 percent of the total revenue of the Company. Services within the scope of ASC 606 include income from fiduciary activities, service charges on deposit accounts, other service income, ATM fees, interchange fees, and gain on sale of OREO, net. Service charges on deposit accounts – the Bank has contracts with its deposit customers where fees are charged if the account balance falls below predetermined levels defined as compensating balances. These agreements can be cancelled at any time by either the Bank or the deposit customer. Revenue from these transactions is recognized on a monthly basis as the Bank has an unconditional right to the fee consideration. The Bank also has transaction fees related to specific transactions or activities resulting from a customer request or activity that include overdraft fees, online banking fees, and other transaction fees. All of these fees are attributable to specific performance obligations of the Bank where the revenue is recognized at a defined point in time, completion of the requested service/transaction. Fiduciary/trust fees – Typical contracts for trust services are based on a fixed percentage of the assets earned ratably over a defined period and billed on a monthly or quarterly basis. Fees charged to customers’ accounts are recognized as revenue over the period during which the Bank fulfills its performance obligation under the contract (i.e., holding client asset in a managed fiduciary trust account). For these accounts, the performance obligation of the Bank is typically satisfied by holding and managing the customer’s assets over time. Other fees related to specific customer requests are attributable to specific performance obligations of the Bank where the revenue is recognized at a defined point in time, completion of the requested service/transaction. Interchange fees – The Bank is a member of Visa U.S.A. Inc. and receives interchange fees as a result of customer usage of Bank issued debit cards. The bank’s performance obligation is to provide debit cards for customers to use as a method of payment. Fees received are allocated by Visa and are a percentage of the transaction amount and also vary by the merchant where the card was used. Fees are recognized daily the day after the transaction is processed. Brokerage commissions – Brokerage commissions are based on a percentage of the initial investment. Commissions on transactions are recognized monthly on a trade-date basis as the performance obligation is satisfied at the point in time in which the trade is processed.
Financial Instruments	ASU 2016-01 - Recognition and Measurement of Financial Assets and Financial Liabilities. one-time
Lease	ASU 2016-02 – Leases. right-of-use
Credit Losses	ASU 2016-13 - Financial Instruments - Credit Losses. one-time one-time
Goodwill Impairment	ASU 2017-04 - Simplifying the Test for Goodwill Impairment.
Comprehensive Income	ASU 2018-02 - Income Statement – Reporting Comprehensive Income.

Securities (Tables)

Securities (Tables)	6 Months Ended
	Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Summary of Securities Available-for-Sale and Restricted Stock	Securities consist of the following at June 30, 2018 and December 31, 2017: (Dollars in thousands) Amortized Gross Gross Fair value June 30, 2018 Available-for-sale U.S. Treasury security $ 993 $ — $ 1 $ 992 U.S. Government agencies 8,350 — 259 8,091 Mortgage-backed securities of government agencies 45,948 24 1,233 44,739 Asset-backed securities of government agencies 1,104 — 3 1,101 State and political subdivisions 26,419 47 349 26,117 Corporate bonds 10,003 3 238 9,768 Total available-for-sale 92,817 74 2,083 90,808 Held-to-maturity U.S. Government agencies 9,479 4 452 9,031 Mortgage-backed securities of government agencies 12,403 14 275 12,142 Total held-to-maturity 21,882 18 727 21,173 Equity securities 53 41 — 94 Restricted stock 4,614 — — 4,614 Total securities $ 119,366 $ 133 $ 2,810 $ 116,689 December 31, 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 Total available-for-sale 98,205 406 948 97,663 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 Equity securities 53 36 — 89 Restricted stock 4,614 — — 4,614 Total securities $ 128,630 $ 553 $ 1,326 $ 127,857
Summary of Amortized Cost and Fair Value of Debt Securities	The amortized cost and fair value of debt securities at June 30, 2018, 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 Available-for-sale Due in one year or less $ 5,068 $ 5,060 Due after one through five years 16,684 16,467 Due after five through ten years 28,245 27,683 Due after ten years 42,820 41,598 Total debt securities available-for-sale $ 92,817 $ 90,808 Held-to-maturity Due in one year or less $ — $ — Due after one through five years 481 485 Due after five through ten years 3,000 2,811 Due after ten years 18,401 17,877 Total debt securities held-to-maturity $ 21,882 $ 21,173
Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities	The following table presents gross unrealized losses and fair value of securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2018 and December 31, 2017: 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 June 30, 2018 Available-for-sale U.S. Treasury security $ 1 $ 992 $ — $ — $ 1 $ 992 U.S. Government agencies 56 1,944 203 6,147 259 8,091 Mortgage-backed securities of government agencies 460 25,360 773 17,787 1,233 43,147 Asset-backed securities of government agencies 3 1,101 — — 3 1,101 State and political subdivisions 177 12,944 172 3,643 349 16,587 Corporate bonds 64 6,464 174 2,326 238 8,790 Held-to-maturity U.S. Government agencies 44 1,956 408 6,591 452 8,547 Mortgage-backed securities of government agencies 142 7,325 133 2,846 275 10,171 Total temporarily impaired securities $ 947 $ 58,086 $ 1,863 $ 39,340 $ 2,810 $ 97,426 December 31, 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

Loans (Tables)

Loans (Tables)	6 Months Ended
	Jun. 30, 2018
Receivables [Abstract]
Summary of Loans	Loans consist of the following: (Dollars in thousands) June 30, 2018 December 31, 2017 Commercial $ 142,019 $ 140,273 Commercial real estate 182,034 179,663 Residential real estate 162,184 157,172 Construction & land development 30,706 22,886 Consumer 17,918 16,306 Total loans before deferred costs 534,861 516,300 Deferred loan costs 566 530 Total Loans $ 535,427 $ 516,830
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 Three months ended June 30, 2018 Beginning balance $ 1,884 $ 1,699 $ 1,196 $ 244 $ 188 $ 422 $ 5,633 Provision for loan losses (31 ) (87 ) 39 35 107 261 324 Charge-offs (9 ) 0 0 0 (36 ) (45 ) Recoveries 5 0 1 0 0 6 Net charge-offs (4 ) 0 1 0 (36 ) (39 ) Ending balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Six months ended June 30, 2018 Beginning balance $ 1,813 $ 1,735 $ 1,273 $ 237 $ 175 $ 371 $ 5,604 Provision for loan losses 226 (61 ) (1 ) 42 130 312 648 Charge-offs (203 ) (62 ) (37 ) 0 (46 ) (348 ) Recoveries 13 0 1 0 0 14 Net charge-offs (190 ) (62 ) (36 ) 0 (46 ) (334 ) Ending balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Three months ended June 30, 2017 Beginning balance $ 1,704 $ 1,538 $ 1,303 $ 184 $ 165 $ 560 $ 5,454 Provision for loan losses 675 180 (47 ) 38 18 (19 ) 845 Charge-offs (32 ) — — — (2 ) (34 ) Recoveries 15 — 8 — 1 24 Net charge-offs (17 ) — 8 — (1 ) (10 ) Ending balance $ 2,362 $ 1,718 $ 1,264 $ 222 $ 182 $ 541 $ 6,289 Six months ended June 30, 2017 Beginning balance $ 2,207 $ 1,264 $ 1,189 $ 178 $ 141 $ 312 $ 5,291 Provision for loan losses (156 ) 454 67 44 47 229 685 Charge-offs (40 ) — — — (7 ) — (47 ) Recoveries 351 — 8 — 1 — 360 Net charge-offs 311 — 8 — (6 ) — 313 Ending balance $ 2,362 $ 1,718 $ 1,264 $ 222 $ 182 $ 541 $ 6,289
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 class and based on the impairment method as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Commercial Commercial Residential Construction Consumer Unallocated Total June 30, 2018 Allowance for loan losses: Individually evaluated for impairment $ 4 $ 46 $ 16 $ — $ — $ — $ 66 Collectively evaluated for impairment 1,845 1,566 1,220 279 259 683 5,852 Total ending allowance balance $ 1,849 $ 1,612 $ 1,236 $ 279 $ 259 $ 683 $ 5,918 Loans: Loans individually evaluated for impairment $ 1,096 $ 3,458 $ 1,374 $ — $ — $ 5,928 Loans collectively evaluated for impairment 140,923 178,576 160,810 30,706 17,918 528,933 Total ending loans balance $ 142,019 $ 182,034 $ 162,184 $ 30,706 $ 17,918 $ 534,861 December 31, 2017 Allowance for loan losses: 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
Schedule of Impairment by Class of Loans	The following table presents loans individually evaluated for impairment by class of loans as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Unpaid Recorded Recorded Total Related June 30, 2018 Commercial $ 2,722 $ 1,093 $ 4 $ 1,097 $ 4 Commercial real estate 3,656 3,145 319 3,464 46 Residential real estate 1,525 1,019 359 1,378 16 Total impaired loans $ 7,903 $ 5,257 $ 682 $ 5,939 $ 66 December 31, 2017 Commercial $ 3,352 $ 1,329 $ 399 $ 1,728 $ 74 Commercial real estate 4,826 3,117 1,566 4,683 151 Residential real estate 1,654 1,119 352 1,471 19 Total impaired loans $ 9,832 $ 5,565 $ 2,317 $ 7,882 $ 244
Schedule of Average Recorded Investment in Impaired Loans and Related Interest Income Recognized	The following table presents the average recorded investment in impaired loans and related interest income recognized for the periods indicated. Three months Six months ended June 30, ended June 30, (Dollars in thousands) 2018 2017 2018 2017 Average recorded investment: Commercial $ 1,190 $ 2,794 $ 1,491 $ 3,505 Commercial real estate 2,700 3,600 3,595 2,019 Residential real estate 1,131 1,540 1,287 1,514 Average recorded investment in impaired loans $ 5,021 $ 7,934 $ 6,373 $ 7,038 Interest income recognized: Commercial $ 10 $ 17 $ 21 $ 31 Commercial real estate 4 2 8 2 Residential real estate 12 15 26 30 Interest income recognized on a cash basis on impaired loans $ 26 $ 34 $ 55 $ 63
Schedule of Aging of Past Due and Nonaccrual Loans	The following table presents the aging of past due loans and nonaccrual loans as of June 30, 2018 and December 31, 2017 by class of loans: (Dollars in thousands) Current 30 - 59 60 - 89 90 Days + Non-Accrual Total Past Non-Accrual Total June 30, 2018 Commercial $ 141,180 $ 43 $ 75 $ — $ 721 $ 839 $ 142,019 Commercial real estate 178,927 55 — — 3,052 3,107 182,034 Residential real estate 160,667 585 326 82 524 1,517 162,184 Construction & land development 30,706 — — — — — 30,706 Consumer 17,706 111 81 — 20 212 17,918 Total Loans $ 529,186 $ 794 $ 482 $ 82 $ 4,317 $ 5,675 $ 534,861 December 31, 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
Summary of Troubled Debt Restructurings	The Company held no other real estate at June 30, 2018 or December 31, 2017. Consumer mortgage loans in the process of foreclosure were $35 thousand at June 30, 2018 and $114 thousand at December 31, 2017. (Dollars in thousands) Number of Pre-Modification Post-Modification For the three months ended June 30, 2018 Commercial 1 $ 200 $ 200 Total Restructured Loans 1 $ 200 $ 200 For the six months ended June 30, 2018 Commercial 1 $ 200 $ 200 Total Restructured Loans 1 $ 200 $ 200 For the three months ended June 30, 2017 Commercial Real Estate 4 $ 288 $ 288 Residential Real Estate 1 14 14 Total Restructured Loans 5 $ 302 $ 302 For the six months ended June 30, 2017 Commercial Real Estate 4 $ 288 $ 288 Residential Real Estate 1 14 14 Total Restructured Loans 5 $ 302 $ 302
Summary of Loans by Credit Quality Indicator	Based on the most recent analysis performed, the risk category of loans by class is as follows as of June 30, 2018 and December 31, 2017: (Dollars in thousands) Pass Special Substandard Doubtful Not Rated Total June 30, 2018 Commercial $ 119,590 $ 4,850 $ 16,564 $ — $ 1,015 $ 142,019 Commercial real estate 164,149 8,834 7,858 — 1,193 182,034 Residential real estate 200 — 266 — 161,718 162,184 Construction & land development 26,614 — — — 4,092 30,706 Consumer — — 21 — 17,897 17,918 Total $ 310,553 $ 13,684 $ 24,709 $ — $ 185,915 $ 534,861 December 31, 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
Schedule of Loans Not Rated by Class of Loans	The following table presents loans that are not rated by class of loans as of June 30, 2018 and December 31, 2017. Nonperforming loans include loans past due 90 days or more and loans on nonaccrual of interest status. (Dollars in thousands) Performing Non-Performing Total June 30, 2018 Commercial $ 1,015 $ — $ 1,015 Commercial real estate 1,193 — 1,193 Residential real estate 161,112 606 161,718 Construction & land development 4,092 — 4,092 Consumer 17,877 20 17,897 Total $ 185,289 $ 626 $ 185,915 December 31, 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

Short-Term Borrowings (Tables)

Short-Term Borrowings (Tables)	6 Months Ended
	Jun. 30, 2018
Debt Disclosure [Abstract]
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 June 30, December 31, (Dollars in thousands) 2018 2017 Securities of U.S. Government Agencies and mortgage-backed securities of government agencies pledged, fair value $ 44,343 $ 39,637 Repurchase agreements 44,155 39,480

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2018
Fair Value Disclosures [Abstract]
Schedule of Fair Value of Assets Measured on Recurring Basis	The following table presents the assets reported on the Consolidated Balance Sheets at their fair value on a recurring basis as of June 30, 2018 and December 31, 2017 by level within the fair value hierarchy. (Dollars in thousands) Level I Level II Level III Total June 30, 2018 Assets: Securities available-for-sale U.S. Treasury security $ 992 $ — $ — $ 992 U.S. Government agencies — 8,091 — 8,091 Mortgage-backed securities of government agencies — 44,739 — 44,739 Asset-backed securities of government agencies — 1,101 — 1,101 State and political subdivisions — 26,117 — 26,117 Corporate bonds — 9,768 — 9,768 Total available-for-sale $ 992 $ 89,816 $ — $ 90,808 Equity securities $ 48 $ — $ 46 $ 94 December 31, 2017 Assets: 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 available-for-sale $ 998 $ 96,665 $ — $ 97,663 Equity securities $ 89 $ — $ — $ 89
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 June 30, 2018 and December 31, 2017, by level within the fair value hierarchy. (Dollars in thousands) Level I Level II Level III Total June 30, 2018 Assets measured on a nonrecurring basis: Impaired loans $ — $ — $ 616 $ 616 December 31, 2017 Assets measured on a nonrecurring basis: Impaired loans $ — $ — $ 2,073 $ 2,073
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 Techniques Unobservable Input Range (Weighted Average) June 30, 2018 Impaired loans $ 583 Discounted cash flow Remaining term Discount rate 1.7 yrs to 27 yrs / (14.4 yrs) 33 Appraisal of collateral (1) Appraisal adjustments (2) (2) 25% to 100% (85%) 10% December 31, 2017 Impaired loans $ 551 Discounted cash flow Remaining term Discount rate 4 mos to 24.5 yrs / (12.7 yrs) 1,522 Appraisal of collateral (1) Appraisal adjustments (2) Liquidation expense (2) 6% to 100% (7%) 10% (1) Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various inputs which are not identifiable. (2) Appraisals may be adjusted by management for qualitative factors. The range of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.

Fair Values of Financial Inst20

Fair Values of Financial Instruments (Tables)	6 Months Ended
	Jun. 30, 2018
Investments, All Other Investments [Abstract]
Schedule of Fair Values of Recognized Financial Instruments	The fair values of recognized financial instruments as of June 30, 2018 and December 31, 2017 are as follows: (Dollars in thousands) Carrying Level I Level II Level III Fair Value June 30, 2018 Financial assets Cash and cash equivalents $ 43,231 $ 43,231 $ — $ — $ 43,231 Securities available-for-sale 90,808 992 89,816 — 90,808 Securities held-to-maturity 21,882 — 21,173 — 21,173 Equity securities 94 48 — 46 94 Restricted stock 4,614 N/A N/A N/A N/A Loans held for sale 100 100 — — 100 Net loans 529,509 — — 524,812 524,812 Bank-owned life insurance 13,384 13,384 — — 13,384 Accrued interest receivable 1,555 1,555 — — 1,555 Mortgage servicing rights 270 — — 270 270 Financial liabilities Deposits $ 595,073 $ 478,654 $ — $ 114,027 $ 592,681 Short-term borrowings 44,155 44,155 — — 44,155 Other borrowings 8,827 — — 8,136 8,136 Accrued interest payable 66 66 — — 66 December 31, 2017 Financial assets Cash and cash equivalents $ 36,420 $ 36,420 $ — $ — $ 36,420 Securities available-for-sale 97,663 998 96,665 — 97,663 Securities held-to-maturity 25,758 — 25,491 — 25,491 Equity securities 89 89 — — 89 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
Summary of Equity Investments	The following table presents the carrying amount of equity investments without readily determinable fair values, the annual and cumulative amount of impairment, and the annual and cumulative amount of observable price changes for orderly transactions for the identical or a similar investment of the same issuer: June 30, 2018 (Dollars in thousands) Year-to-Date Life-to-Date Amortized cost $ 44 $ 44 Impairment — — Observable price changes 2 2 Carrying value $ 46 $ 46

Accumulated Other Comprehensi21

Accumulated Other Comprehensive Income (Loss) (Tables)	6 Months Ended
	Jun. 30, 2018
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 income (loss) by component net of tax for the three and six month periods ended June 30, 2018 and 2017: (Dollars in thousands) Pretax Tax Effect After-tax Three months ended June 30, 2018 Balance as of March 31, 2018 $ (2,165 ) $ 454 $ (1,711 ) Unrealized holding loss on available-for-sale (156 ) 33 (123 ) Amortization of held-to-maturity 20 (4 ) 16 Total other comprehensive income (136 ) 29 (107 ) Balance as of June 30, 2018 $ (2,301 ) $ 483 $ (1,818 ) Six months ended June 30, 2018 Balance as of December 31, 2017 $ (839 ) $ 176 $ (663 ) Unrealized holding loss on available-for-sale (1,539 ) 323 (1,216 ) Reclassify equity AOCI gain to retained earnings 36 (7 ) 29 Amortization of held-to-maturity 41 (9 ) 32 Total other comprehensive income (1,462 ) 307 (1,155 ) Balance as of June 30, 2018 $ (2,301 ) $ 483 $ (1,818 ) Three months ended June 30, 2017 Balance as of March 31, 2017 $ (821 ) $ 278 $ (543 ) Unrealized holding gain on available-for-sale 916 (312 ) 604 Amortization of held-to-maturity 26 (9 ) 17 Total other comprehensive income 942 (321 ) 621 Balance as of June 30, 2017 $ 121 $ (43 ) $ 78 Six months ended June 30, 2017 Balance as of December 31, 2016 $ (1,323 ) $ 449 $ (874 ) Unrealized holding gain on available-for-sale 1,386 (471 ) 915 Amortization of held-to-maturity 58 (21 ) 37 Total other comprehensive income 1,444 (492 ) 952 Balance as of June 30, 2017 $ 121 $ (43 ) $ 78

Summary of Significant Accoun22

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2018	Jan. 01, 2018
Summary Of Significant Accounting Policies [Line Items]
Percentage allocation on source of revenue		88.00%
Reclassification from accumulated other comprehensive income to retained earnings	$ 109
Accounting Standards Update 2016-01 [Member]
Summary Of Significant Accounting Policies [Line Items]
Additional income recorded from changes in accounting for equity investments		$ 4
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]
Summary Of Significant Accounting Policies [Line Items]
Cumulative effect adjustment from accumulated other comprehensive income to retained earnings			$ 29

Securities - Summary of Securit

Securities - Summary of Securities Available-for-Sale and Restricted Stock (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Schedule of Trading Securities and Other Trading Assets [Line Items]
Gross Unrealized Gains, Equity securities	$ 4
Fair Value, Equity securities	94	$ 89
Amortized Cost, Available-for-sale	92,817	98,205
Gross Unrealized Gains, Available-for-sale	74	406
Gross Unrealized Losses, Available-for-sale	2,083	948
Fair Value, Available-for-sale	90,808	97,663
Amortized Cost, Held to maturity	21,882	25,758
Gross Unrealized Gains, Held to maturity	18	111
Gross Unrealized Losses, Held to maturity	727	378
Fair Value, Held to maturity	21,173	25,491
Amortized Cost	119,366	128,630
Gross Unrealized Gains	133	553
Gross Unrealized Losses	2,810	1,326
Fair Value	116,689	127,857
Equity Securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Equity securities	53	53
Gross Unrealized Gains, Equity securities	41	36
Gross Unrealized Losses, Equity securities	0	0
Fair Value, Equity securities	94	89
U.S. Treasury Security [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	993	999
Gross Unrealized Losses, Available-for-sale	1	1
Fair Value, Available-for-sale	992	998
U.S. Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	8,350	8,350
Gross Unrealized Losses, Available-for-sale	259	121
Fair Value, Available-for-sale	8,091	8,229
Amortized Cost, Held to maturity	9,479	9,477
Gross Unrealized Gains, Held to maturity	4	16
Gross Unrealized Losses, Held to maturity	452	228
Fair Value, Held to maturity	9,031	9,265
Mortgage-Backed Securities of Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	45,948	50,136
Gross Unrealized Gains, Available-for-sale	24	146
Gross Unrealized Losses, Available-for-sale	1,233	581
Fair Value, Available-for-sale	44,739	49,701
Amortized Cost, Held to maturity	12,403	11,581
Gross Unrealized Gains, Held to maturity	14	95
Gross Unrealized Losses, Held to maturity	275	145
Fair Value, Held to maturity	12,142	11,531
Asset-Backed Securities of Government Agencies [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	1,104	1,168
Gross Unrealized Gains, Available-for-sale		1
Gross Unrealized Losses, Available-for-sale	3
Fair Value, Available-for-sale	1,101	1,169
State and Political Subdivisions [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	26,419	27,020
Gross Unrealized Gains, Available-for-sale	47	224
Gross Unrealized Losses, Available-for-sale	349	103
Fair Value, Available-for-sale	26,117	27,141
Amortized Cost, Held to maturity		4,700
Gross Unrealized Losses, Held to maturity		5
Fair Value, Held to maturity		4,695
Corporate Bonds [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Amortized Cost, Available-for-sale	10,003	10,532
Gross Unrealized Gains, Available-for-sale	3	35
Gross Unrealized Losses, Available-for-sale	238	142
Fair Value, Available-for-sale	9,768	10,425
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	Jun. 30, 2018	Dec. 31, 2017
Available-for-sale
Due in one year or less, Amortized Cost	$ 5,068
Due after one through five years, Amortized Cost	16,684
Due after five through ten years, Amortized Cost	28,245
Due after ten years, Amortized Cost	42,820
Total debt securities available-for-sale, Amortized Cost	92,817
Due in one year or less, Fair Value	5,060
Due after one through five years, Fair Value	16,467
Due after five through ten years, Fair Value	27,683
Due after ten years, Fair Value	41,598
Total debt securities available-for-sale, Fair Value	90,808
Held-to-maturity
Due in one year or less, Amortized Cost	0
Due after one through five years, Amortized Cost	481
Due after five through ten years, Amortized Cost	3,000
Due after ten years, Amortized Cost	18,401
Amortized Cost, Held to maturity	21,882	$ 25,758
Due in one year or less, Fair Value	0
Due after one through five years, Fair Value	485
Due after five through ten years, Fair Value	2,811
Due after ten years, Fair Value	17,877
Total debt securities held-to-maturity, Fair Value	$ 21,173	$ 25,491

Securities - Additional Informa

Securities - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2018USD ($)Securities	Jun. 30, 2017USD ($)	Jun. 30, 2018USD ($)Securities	Jun. 30, 2017USD ($)	Dec. 31, 2017USD ($)
Investments, Debt and Equity Securities [Abstract]
Fair value of pledged securities	$ 96,000,000		$ 96,000,000		$ 94,000,000
Restricted stock investment in FHLB stock	4,100,000		4,100,000		4,100,000
Federal Reserve Bank stock	471,000		471,000		$ 471,000
Proceeds from sale of available-for-sale securities	$ 0	$ 0	$ 0	$ 0
Number of securities in an unrealized loss position, Total | Securities	119		119
Number of securities in continuous unrealized loss position, 12 months or more | Securities	36

Securities - Summary of Gross U

Securities - Summary of Gross Unrealized Losses and Fair Value of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Total	$ 727	$ 378
Gross Unrealized Losses, Total	2,083	948
Gross Unrealized Losses, Less Than 12 Months	947	258
Fair Value, Less Than 12 Months	58,086	37,484
Gross Unrealized Losses, 12 Months Or More	1,863	1,068
Fair Value, 12 Months Or More	39,340	37,697
Gross Unrealized Losses, Total	2,810	1,326
Fair Value, Total	97,426	75,181
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Less Than 12 Months	44	15
Held-to-maturity, Fair Value, Less Than 12 Months	1,956	1,985
Held-to-maturity, Gross Unrealized Losses, 12 Months Or More	408	213
Held-to-maturity, Fair Value, 12 Months Or More	6,591	6,785
Held-to-maturity, Gross Unrealized Losses, Total	452	228
Held-to-maturity, Fair Value, Total	8,547	8,770
Gross Unrealized Losses, Less Than 12 Months	56	46
Fair Value, Less Than 12 Months	1,944	3,804
Gross Unrealized Losses, 12 Months Or More	203	75
Fair Value, 12 Months Or More	6,147	4,425
Gross Unrealized Losses, Total	259	121
Fair Value, Total	8,091	8,229
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	142	18
Held-to-maturity, Fair Value, Less Than 12 Months	7,325	1,818
Held-to-maturity, Gross Unrealized Losses, 12 Months Or More	133	127
Held-to-maturity, Fair Value, 12 Months Or More	2,846	3,116
Held-to-maturity, Gross Unrealized Losses, Total	275	145
Held-to-maturity, Fair Value, Total	10,171	4,934
Gross Unrealized Losses, Less Than 12 Months	460	145
Fair Value, Less Than 12 Months	25,360	16,872
Gross Unrealized Losses, 12 Months Or More	773	436
Fair Value, 12 Months Or More	17,787	17,259
Gross Unrealized Losses, Total	1,233	581
Fair Value, Total	43,147	34,131
State and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity, Gross Unrealized Losses, Less Than 12 Months		5
Held-to-maturity, Fair Value, Less Than 12 Months		4,695
Held-to-maturity, Gross Unrealized Losses, Total		5
Held-to-maturity, Fair Value, Total		4,695
Gross Unrealized Losses, Less Than 12 Months	177	26
Fair Value, Less Than 12 Months	12,944	4,400
Gross Unrealized Losses, 12 Months Or More	172	77
Fair Value, 12 Months Or More	3,643	3,752
Gross Unrealized Losses, Total	349	103
Fair Value, Total	16,587	8,152
U.S. Treasury Security [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, Less Than 12 Months	1	1
Fair Value, Less Than 12 Months	992	998
Gross Unrealized Losses, Total	1	1
Fair Value, Total	992	998
Asset-Backed Securities of Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, Less Than 12 Months	3
Fair Value, Less Than 12 Months	1,101
Gross Unrealized Losses, Total	3
Fair Value, Total	1,101
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross Unrealized Losses, Less Than 12 Months	64	2
Fair Value, Less Than 12 Months	6,464	2,912
Gross Unrealized Losses, 12 Months Or More	174	140
Fair Value, 12 Months Or More	2,326	2,360
Gross Unrealized Losses, Total	238	142
Fair Value, Total	$ 8,790	$ 5,272

Loans - Summary of Loans (Detai

Loans - Summary of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	$ 534,861	$ 516,300
Deferred loan costs	566	530
Total loans	535,427	516,830
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	142,019	140,273
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	182,034	179,663
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	162,184	157,172
Construction & Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	30,706	22,886
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans before deferred costs	$ 17,918	$ 16,306

Loans - Additional Information

Loans - Additional Information (Detail)	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2016USD ($)Contract	Jun. 30, 2018USD ($)	Dec. 31, 2017USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans serviced for others		$ 85,400,000	$ 82,700,000
Concentrations of loans related to a single industry		0	0
Loans classified as troubled debt restructurings		2,800,000	2,900,000
Reserves allocated to customers whose loan terms are modified in troubled debt restructurings		38,000	38,000
Loans payable in nonaccrual of interest status		833,000
Mortgage loans in process of foreclosure amount		35,000	114,000
Other real estate real estate acquired through foreclosure		0	$ 0
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
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans restructured, subsequently defaulted	$ 3,300,000
Loans restructured, subsequently defaulted | Contract	1
Performing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructurings		$ 1,900,000

Loans - Schedule of Allowances

Loans - Schedule of Allowances for Loan Losses by Portfolio Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 5,633	$ 5,454	$ 5,604	$ 5,291
Provision for loan losses	324	845	648	685
Charge-offs	(45)	(34)	(348)	(47)
Recoveries	6	24	14	360
Net charge-offs	(39)	(10)	(334)	313
Ending balance	5,918	6,289	5,918	6,289
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,884	1,704	1,813	2,207
Provision for loan losses	(31)	675	226	(156)
Charge-offs	(9)	(32)	(203)	(40)
Recoveries	5	15	13	351
Net charge-offs	(4)	(17)	(190)	311
Ending balance	1,849	2,362	1,849	2,362
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,699	1,538	1,735	1,264
Provision for loan losses	(87)	180	(61)	454
Charge-offs	0		(62)
Recoveries	0		0
Net charge-offs	0		(62)
Ending balance	1,612	1,718	1,612	1,718
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	1,196	1,303	1,273	1,189
Provision for loan losses	39	(47)	(1)	67
Charge-offs	0		(37)
Recoveries	1	8	1	8
Net charge-offs	1	8	(36)	8
Ending balance	1,236	1,264	1,236	1,264
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	244	184	237	178
Provision for loan losses	35	38	42	44
Charge-offs	0		0
Recoveries	0		0
Net charge-offs	0		0
Ending balance	279	222	279	222
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	188	165	175	141
Provision for loan losses	107	18	130	47
Charge-offs	(36)	(2)	(46)	(7)
Recoveries	0	1	0	1
Net charge-offs	(36)	(1)	(46)	(6)
Ending balance	259	182	259	182
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	422	560	371	312
Provision for loan losses	261	(19)	312	229
Ending balance	$ 683	$ 541	$ 683	$ 541

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	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	$ 66		$ 244
Collectively evaluated for impairment	5,852		5,360
Total ending allowance balance	5,918	$ 5,633	5,604	$ 6,289	$ 5,454	$ 5,291
Loans:
Loans individually evaluated for impairment	5,928		7,882
Loans collectively evaluated for impairment	528,933		508,418
Total ending loans balance	534,861		516,300
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	4		74
Collectively evaluated for impairment	1,845		1,739
Total ending allowance balance	1,849	1,884	1,813	2,362	1,704	2,207
Loans:
Loans individually evaluated for impairment	1,096		1,726
Loans collectively evaluated for impairment	140,923		138,547
Total ending loans balance	142,019		140,273
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	46		151
Collectively evaluated for impairment	1,566		1,584
Total ending allowance balance	1,612	1,699	1,735	1,718	1,538	1,264
Loans:
Loans individually evaluated for impairment	3,458		4,686
Loans collectively evaluated for impairment	178,576		174,977
Total ending loans balance	182,034		179,663
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	16		19
Collectively evaluated for impairment	1,220		1,254
Total ending allowance balance	1,236	1,196	1,273	1,264	1,303	1,189
Loans:
Loans individually evaluated for impairment	1,374		1,470
Loans collectively evaluated for impairment	160,810		155,702
Total ending loans balance	162,184		157,172
Construction & Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	279		237
Total ending allowance balance	279	244	237	222	184	178
Loans:
Loans collectively evaluated for impairment	30,706		22,886
Total ending loans balance	30,706		22,886
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	259		175
Total ending allowance balance	259	188	175	182	165	141
Loans:
Loans collectively evaluated for impairment	17,918		16,306
Total ending loans balance	17,918		16,306
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Collectively evaluated for impairment	683		371
Total ending allowance balance	$ 683	$ 422	$ 371	$ 541	$ 560	$ 312

Loans - Schedule of Impairment

Loans - Schedule of Impairment by Class of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 7,903	$ 9,832
Recorded Investment with no Allowance	5,257	5,565
Recorded Investment with Allowance	682	2,317
Total Recorded Investment	5,939	7,882
Related Allowance	66	244
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	2,722	3,352
Recorded Investment with no Allowance	1,093	1,329
Recorded Investment with Allowance	4	399
Total Recorded Investment	1,097	1,728
Related Allowance	4	74
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	3,656	4,826
Recorded Investment with no Allowance	3,145	3,117
Recorded Investment with Allowance	319	1,566
Total Recorded Investment	3,464	4,683
Related Allowance	46	151
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	1,525	1,654
Recorded Investment with no Allowance	1,019	1,119
Recorded Investment with Allowance	359	352
Total Recorded Investment	1,378	1,471
Related Allowance	$ 16	$ 19

Loans - Schedule of Average Rec

Loans - Schedule of Average Recorded Investment in Impaired Loans and Related Interest Income Recognized (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Average recorded investment:
Average recorded investment in impaired loans	$ 5,021	$ 7,934	$ 6,373	$ 7,038
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	26	34	55	63
Commercial [Member]
Average recorded investment:
Average recorded investment in impaired loans	1,190	2,794	1,491	3,505
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	10	17	21	31
Commercial Real Estate [Member]
Average recorded investment:
Average recorded investment in impaired loans	2,700	3,600	3,595	2,019
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	4	2	8	2
Residential Real Estate [Member]
Average recorded investment:
Average recorded investment in impaired loans	1,131	1,540	1,287	1,514
Interest income recognized:
Interest income recognized on a cash basis on impaired loans	$ 12	$ 15	$ 26	$ 30

Loans - Schedule of Aging of Pa

Loans - Schedule of Aging of Past Due and Nonaccrual Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 529,186	$ 508,392
Non-accrual	4,317	6,081
Total past due and non-accrual	5,675	7,908
Total ending loans balance	534,861	516,300
30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	794	1,275
60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	482	111
90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	82	441
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	141,180	138,908
Non-accrual	721	1,152
Total past due and non-accrual	839	1,365
Total ending loans balance	142,019	140,273
Commercial [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	43	148
Commercial [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	75	65
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	178,927	175,062
Non-accrual	3,052	4,384
Total past due and non-accrual	3,107	4,601
Total ending loans balance	182,034	179,663
Commercial Real Estate [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	55	177
Commercial Real Estate [Member] | 90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		40
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	160,667	155,488
Non-accrual	524	488
Total past due and non-accrual	1,517	1,684
Total ending loans balance	162,184	157,172
Residential Real Estate [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	585	757
Residential Real Estate [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	326	38
Residential Real Estate [Member] | 90 Days Plus Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	82	401
Construction & Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	30,706	22,886
Total ending loans balance	30,706	22,886
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	17,706	16,048
Non-accrual	20	57
Total past due and non-accrual	212	258
Total ending loans balance	17,918	16,306
Consumer [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	111	193
Consumer [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 81	$ 8

Loans - Summary of Troubled Deb

Loans - Summary of Troubled Debt Restructurings (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 07, 2018USD ($)Contract	Jun. 30, 2017USD ($)Contract	Jun. 30, 2018USD ($)Contract	Jun. 30, 2017USD ($)Contract
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	1	5	1	5
Pre-Modification Recorded Investment	$ 200	$ 302	$ 200	$ 302
Post-Modification Recorded Investment	$ 200	$ 302	$ 200	$ 302
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract	1		1
Pre-Modification Recorded Investment	$ 200		$ 200
Post-Modification Recorded Investment	$ 200		$ 200
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract		4		4
Pre-Modification Recorded Investment		$ 288		$ 288
Post-Modification Recorded Investment		$ 288		$ 288
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of loans restructured | Contract		1		1
Pre-Modification Recorded Investment		$ 14		$ 14
Post-Modification Recorded Investment		$ 14		$ 14

Loans - Summary of Loans by Cre

Loans - Summary of Loans by Credit Quality Indicator (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 534,861	$ 516,300
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	142,019	140,273
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	182,034	179,663
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	162,184	157,172
Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	30,706	22,886
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	17,918	16,306
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	310,553	297,543
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	119,590	116,833
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	164,149	162,012
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	200	205
Pass [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	26,614	18,493
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	13,684	22,785
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,850	13,685
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,834	8,220
Special Mention [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans		880
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	24,709	17,988
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	16,564	8,841
Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	7,858	8,620
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	266	470
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	21	57
Not Rated [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	185,915	177,984
Not Rated [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,015	914
Not Rated [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,193	811
Not Rated [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	161,718	156,497
Not Rated [Member] | Construction & Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,092	3,513
Not Rated [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 17,897	$ 16,249

Loans - Schedule of Loans Not R

Loans - Schedule of Loans Not Rated by Class of Loans (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	$ 185,915	$ 178,041
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	1,015	914
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	1,193	811
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	161,718	156,497
Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	4,092	3,513
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	17,897	16,306
Performing [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	185,289	177,095
Performing [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	1,015	914
Performing [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	1,193	811
Performing [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	161,112	155,608
Performing [Member] | Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	4,092	3,513
Performing [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	17,877	16,249
Nonperforming [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	626	946
Nonperforming [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	606	889
Nonperforming [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans not rated by class of loans	$ 20	$ 57

Short-Term Borrowings - Summary

Short-Term Borrowings - Summary of Repurchase Agreements Accounted for as Secured Borrowings (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Short-term Debt [Abstract]
Securities of U.S. Government Agencies and mortgage-backed securities of government agencies pledged, fair value	$ 44,343	$ 39,637
Repurchase agreements	$ 44,155	$ 39,480

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
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) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	$ 90,808
Equity Securities	94	$ 89
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	90,808	97,663
Equity Securities	94	89
Fair Value, Measurements, Recurring [Member] | U.S. Treasury Security [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	992	998
Fair Value, Measurements, Recurring [Member] | U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	8,091	8,229
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	44,739	49,701
Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	1,101	1,169
Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	26,117	27,141
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	9,768	10,425
Level I [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	992	998
Equity Securities	48	89
Level I [Member] | Fair Value, Measurements, Recurring [Member] | U.S. Treasury Security [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	992	998
Level II [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	89,816	96,665
Level II [Member] | Fair Value, Measurements, Recurring [Member] | U.S. Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	8,091	8,229
Level II [Member] | Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	44,739	49,701
Level II [Member] | Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities of Government Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	1,101	1,169
Level II [Member] | Fair Value, Measurements, Recurring [Member] | State and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	26,117	27,141
Level II [Member] | Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total available-for-sale securities	9,768	$ 10,425
Level III [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities	$ 46

Fair Value Measurements - Sch40

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	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 616	$ 2,073
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets	$ 616	$ 2,073

Fair Value Measurements - Sch41

Fair Value Measurements - Schedule of Quantitative Information of Assets Measured at Fair Value on Nonrecurring Basis (Detail) - Level III [Member] - Impaired Loans [Member] $ in Thousands	Jun. 30, 2018USD ($)	Dec. 31, 2017USD ($)
Valuation Technique, Discounted Cash Flow [Member]
Marketable Securities [Line Items]
Fair Value Estimate	$ 583	$ 551
Valuation Technique, Discounted Cash Flow [Member] | Minimum [Member] | Measurement Input, Discount Rate [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	3.5	4.4
Valuation Technique, Discounted Cash Flow [Member] | Maximum [Member] | Measurement Input, Discount Rate [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	7.5	7.5
Valuation Technique, Discounted Cash Flow [Member] | Weighted Average [Member] | Measurement Input, Discount Rate [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	5.1	5.3
Appraisal of Collateral [Member]
Marketable Securities [Line Items]
Fair Value Estimate	$ 33	$ 1,522
Alternative investment, measurement input	10	10
Appraisal of Collateral [Member] | Minimum [Member] | Measurement Input, Comparability Adjustment [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	25	6
Appraisal of Collateral [Member] | Maximum [Member] | Measurement Input, Comparability Adjustment [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	100	100
Appraisal of Collateral [Member] | Weighted Average [Member] | Measurement Input, Comparability Adjustment [Member]
Marketable Securities [Line Items]
Alternative investment, measurement input	85	7

Fair Values of Financial Inst42

Fair Values of Financial Instruments - Schedule of Fair Values of Recognized Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financial assets
Securities available-for-sale	$ 90,808	$ 97,663
Securities held-to-maturity	21,173	25,491
Equity Securities	94	89
Loans held for sale	100	246
Bank-owned life insurance	13,384	13,218
Carrying Value [Member]
Financial assets
Cash and cash equivalents	43,231	36,420
Securities available-for-sale	90,808	97,663
Securities held-to-maturity	21,882	25,758
Equity Securities	94	89
Restricted stock	4,614	4,614
Loans held for sale	100	246
Net loans	529,509	511,226
Bank-owned life insurance	13,384	13,218
Accrued interest receivable	1,555	1,545
Financial liabilities
Deposits	595,073	583,259
Short-term borrowings	44,155	39,480
Other borrowings	8,827	11,409
Accrued interest payable	66
Carrying Value [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	270	270
Fair Value [Member]
Financial assets
Cash and cash equivalents	43,231	36,420
Securities available-for-sale	90,808	97,663
Securities held-to-maturity	21,173	25,491
Equity Securities	94	89
Loans held for sale	100	246
Net loans	524,812	513,106
Bank-owned life insurance	13,384	13,218
Accrued interest receivable	1,555	1,545
Financial liabilities
Deposits	592,681	583,691
Short-term borrowings	44,155	39,480
Other borrowings	8,136	10,365
Accrued interest payable	66
Fair Value [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	270	270
Fair Value [Member] | Level I [Member]
Financial assets
Cash and cash equivalents	43,231	36,420
Securities available-for-sale	992	998
Equity Securities	48	89
Loans held for sale	100	246
Bank-owned life insurance	13,384	13,218
Accrued interest receivable	1,555	1,545
Financial liabilities
Deposits	478,654	473,467
Short-term borrowings	44,155	39,480
Accrued interest payable	66
Fair Value [Member] | Level II [Member]
Financial assets
Securities available-for-sale	89,816	96,665
Securities held-to-maturity	21,173	25,491
Fair Value [Member] | Level III [Member]
Financial assets
Equity Securities	46
Net loans	524,812	513,106
Financial liabilities
Deposits	114,027	110,224
Other borrowings	8,136	10,365
Fair Value [Member] | Level III [Member] | Mortgage Servicing Rights [Member]
Financial assets
Mortgage servicing rights	$ 270	$ 270

Fair Values of Financial Inst43

Fair Values of Financial Instruments - Summary of Equity Investments (Detail) $ in Thousands	Jun. 30, 2018USD ($)
Year To Date [Member]
Schedule of Equity Method Investments [Line Items]
Amortized cost	$ 44
Impairment	0
Observable price changes	2
Carrying value	46
Life To Date [Member]
Schedule of Equity Method Investments [Line Items]
Amortized cost	44
Impairment	0
Observable price changes	2
Carrying value	$ 46

Fair Values of Financial Inst44

Fair Values of Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Commitments to extend credit and letters of credit	$ 174.7	$ 178.2

Accumulated Other Comprehensi45

Accumulated Other Comprehensive Income (loss) - Schedule of Changes in Accumulated Other Comprehensive (Loss) Income by Component Net of Tax (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized holding gain (loss) on available-for-sale securities arising during the period, Pretax	$ (156)	$ 916	$ (1,467)	$ 1,386
Unrealized holding gain (loss) on available-for-sale securities arising during the period, Tax Effect	(29)	321	(300)	492
Beginning balance, After-tax			(663)
Other comprehensive (loss) income	(107)	621	(1,126)	952
Ending Balance, After-tax	(1,818)		(1,818)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance, Pretax	(2,165)	(821)	(839)	(1,323)
Unrealized holding gain (loss) on available-for-sale securities arising during the period, Pretax	(156)	916	(1,539)	1,386
Reclassify equity AOCI gain to retained earnings, Pretax			36
Amortization of held-to-maturity discount resulting from transfer, Pretax	20	26	41	58
Total other comprehensive income, Pretax	(136)	942	(1,462)	1,444
Ending balance, Pretax	(2,301)	121	(2,301)	121
Beginning balance, Tax Effect	454	278	176	449
Unrealized holding gain (loss) on available-for-sale securities arising during the period, Tax Effect	33	(312)	323	(471)
Reclassify equity AOCI gain to retained earnings, Tax Effect			(7)
Amortization of held-to-maturity discount resulting from transfer, Tax Effect	(4)	(9)	(9)	(21)
Total other comprehensive income, Tax Effect	29	(321)	307	(492)
Ending Balance, Tax Effect	483	(43)	483	(43)
Beginning balance, After-tax	(1,711)	(543)	(663)	(874)
Unrealized holding gain (loss) on available-for-sale securities arising during the period, After-tax	(123)	604	(1,216)	915
Reclassify equity AOCI gain to retained earnings, After-tax			29
Amortization of held-to-maturity discount resulting from transfer, After-tax	16	17	32	37
Other comprehensive (loss) income	(107)	621	(1,155)	952
Ending Balance, After-tax	$ (1,818)	$ 78	$ (1,818)	$ 78