10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

FORM 10-Q

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 31, 2018.

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM   TO .

Commission file number:  0-12820

AMERICAN NATIONAL BANKSHARES INC.

(Exact name of registrant as specified in its charter)

VIRGINIA	54-1284688
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
628 Main Street
Danville, Virginia	24541
(Address of principal executive offices)	(Zip Code)

(434) 792-5111

(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes x No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer  o	Accelerated filer  x
Non-accelerated filer  o  (Do not check if a smaller reporting company)	Smaller reporting company o
	Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes o No x

At April 30, 2018, the Company had 8,687,738 shares of Common Stock outstanding, $1 par value.

AMERICAN NATIONAL BANKSHARES INC.

Index			Page
Part I.		FINANCIAL INFORMATION
	Item 1.	Financial Statements
		Consolidated Balance Sheets as of March 31, 2018 (unaudited) and December 31, 2017	3
		Consolidated Statements of Income for the three months ended March 31, 2018 and 2017 (unaudited)	4
		Consolidated Statements of Comprehensive Income for the three months ended March 31, 2018 and 2017 (unaudited)	6
		Consolidated Statements of Changes in Shareholders' Equity for the three months ended March 31, 2018 and 2017 (unaudited)	7
		Consolidated Statements of Cash Flows for the three months ended March 31, 2018 and 2017 (unaudited)	8
		Notes to Consolidated Financial Statements (unaudited)	9
	Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	33
	Item 3.	Quantitative and Qualitative Disclosures about Market Risk	50
	Item 4.	Controls and Procedures	52
Part II.		OTHER INFORMATION
	Item 1.	Legal Proceedings	53
	Item 1A.	Risk Factors	53
	Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	53
	Item 3.	Defaults Upon Senior Securities	53
	Item 4.	Mine Safety Disclosures	53
	Item 5.	Other Information	53
	Item 6.	Exhibits	54
SIGNATURES			55

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PART I.   FINANCIAL INFORMATION

ITEM 1.  FINANCIAL STATEMENTS

American National Bankshares Inc.
Consolidated Balance Sheets
(Dollars in thousands, except per share data)
Assets	(Unaudited) March 31, 2018			(*) December 31, 2017
Cash and due from banks	$	18,772		$	28,594
Interest-bearing deposits in other banks	57,881			23,883
Equity securities, at fair value	2,320			—
Securities available for sale, at fair value	310,348			321,337
Restricted stock, at cost	5,221			6,110
Loans held for sale	1,792			1,639
Loans, net of unearned income	1,321,221			1,336,125
Less allowance for loan losses	(13,575		)	(13,603		)
Net loans	1,307,646			1,322,522
Premises and equipment, net	25,759			25,901
Other real estate owned, net of valuation allowance of $144 in 2018 and $147 in 2017	1,716			1,225
Goodwill	43,872			43,872
Core deposit intangibles, net	1,114			1,191
Bank owned life insurance	18,566			18,460
Accrued interest receivable and other assets	22,567			21,344
Total assets	$	1,817,574		$	1,816,078
Liabilities
Demand deposits -- noninterest bearing	$	400,225		$	394,344
Demand deposits -- interest bearing	233,973			226,914
Money market deposits	409,290			403,024
Savings deposits	134,171			126,786
Time deposits	381,592			383,658
Total deposits	1,559,251			1,534,726
Short-term borrowings:
Customer repurchase agreements	10,466			10,726
Other short-term borrowings	—			24,000
Junior subordinated debt	27,851			27,826
Accrued interest payable and other liabilities	10,166			10,083
Total liabilities	1,607,734			1,607,361
Shareholders' equity
Preferred stock, $5 par, 2,000,000 shares authorized, none outstanding	—			—
Common stock, $1 par, 20,000,000 shares authorized, 8,675,033 shares outstanding at March 31, 2018 and 8,650,547 shares outstanding at December 31, 2017	8,621			8,604
Capital in excess of par value	76,525			76,179
Retained earnings	131,299			127,010
Accumulated other comprehensive loss, net	(6,605		)	(3,076		)
Total shareholders' equity	209,840			208,717
Total liabilities and shareholders' equity	$	1,817,574		$	1,816,078

(*) -  Derived from audited consolidated financial statements.

The accompanying notes are an integral part of the consolidated financial statements.

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American National Bankshares Inc.
Consolidated Statements of Income
(Dollars in thousands, except per share data) (Unaudited)
	Three Months Ended   March 31,
	2018			2017
Interest and Dividend Income:
Interest and fees on loans	$	14,657		$	12,704
Interest and dividends on securities:
Taxable	1,324			1,154
Tax-exempt	419			635
Dividends	80			79
Other interest income	188			109
Total interest and dividend income	16,668			14,681
Interest Expense:
Interest on deposits	1,825			1,200
Interest on short-term borrowings	10			28
Interest on long-term borrowings	—			80
Interest on junior subordinated debt	290			239
Total interest expense	2,125			1,547
Net Interest Income	14,543			13,134
Provision for Loan Losses	(44		)	300
Net Interest Income After Provision for Loan Losses	14,587			12,834
Noninterest Income:
Trust fees	929			912
Service charges on deposit accounts	551			523
Other fees and commissions	703			673
Mortgage banking income	450			529
Securities gains, net	121			259
Brokerage fees	222			192
Income from Small Business Investment Companies	155			26
Other	202			157
Total noninterest income	3,333			3,271
Noninterest Expense:
Salaries	4,997			4,799
Employee benefits	1,175			1,183
Occupancy and equipment	1,128			1,068
FDIC assessment	146			129
Bank franchise tax	281			256
Core deposit intangible amortization	77			165
Data processing	422			487
Software	305			279
Other real estate owned, net	30			43
Other	2,141			2,032
Total noninterest expense	10,702			10,441
Income Before Income Taxes	7,218			5,664
Income Taxes	1,406			1,601
Net Income	$	5,812		$	4,063

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Net Income Per Common Share:
Basic	$	0.67	$	0.47
Diluted	$	0.67	$	0.47
Average Common Shares Outstanding:
Basic	8,669,728		8,633,219
Diluted	8,687,351		8,651,139

The accompanying notes are an integral part of the consolidated financial statements.

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American National Bankshares Inc.
Consolidated Statements of Comprehensive Income
(Dollars in thousands) (Unaudited)
	Three Months Ended   March 31,
	2018			2017
Net income	$	5,812		$	4,063
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	(3,734		)	1,011
Tax effect	861			(354		)
Reclassification adjustment for gains on sales of securities	(8		)	(259		)
Tax effect	2			91
Other comprehensive income (loss)	(2,879		)	489
Comprehensive income	$	2,933		$	4,552

The accompanying notes are an integral part of the consolidated financial statements.

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American National Bankshares Inc.
Consolidated Statements of Changes in Shareholders' Equity
Three Months Ended March 31, 2018 and 2017
(Dollars in thousands, except per share data) (Unaudited)
	Common Stock		Capital in Excess of Par Value			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total Shareholders' Equity
Balance, December 31, 2016	$	8,578	$	75,076		$	119,600		$	(1,874	)	$	201,380
Net income	—		—			4,063			—			4,063
Other comprehensive income	—		—			—			489			489
Stock options exercised (3,300 shares)	3		70			—			—			73
Vesting of restricted stock (6,468 shares)	7		(7		)	—			—			—
Equity based compensation (17,393 shares)	3		306			—			—			309
Cash dividends paid, $0.24 per share	—		—			(2,073		)	—			(2,073		)
Balance, March 31, 2017	$	8,591	$	75,445		$	121,590		$	(1,385	)	$	204,241
Balance, December 31, 2017	$	8,604	$	76,179		$	127,010		$	(3,076	)	$	208,717
Net income	—		—			5,812			—			5,812
Other comprehensive loss	—		—			—			(2,879		)	(2,879		)
Reclassification for ASU 2016-01 adoption	—		—			650			(650		)	—
Stock options exercised (3,300 shares)	3		82			—			—			85
Vesting of restricted stock (10,101 shares)	10		(10		)	—			—			—
Equity based compensation (21,186 shares)	4		274			—			—			278
Cash dividends paid, $0.25 per share	—		—			(2,173		)	—			(2,173		)
Balance, March 31, 2018	$	8,621	$	76,525		$	131,299		$	(6,605	)	$	209,840

The accompanying notes are an integral part of the consolidated financial statements.

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American National Bankshares Inc.
Consolidated Statements of Cash Flows
(Dollars in thousands) (Unaudited)
	Three Months Ended   March 31,
	2018			2017
Cash Flows from Operating Activities:
Net income	$	5,812		$	4,063
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	(44		)	300
Depreciation	466			444
Net accretion of acquisition accounting adjustments	(427		)	(434		)
Core deposit intangible amortization	77			165
Net amortization of securities	430			542
Net gains on sale or call of securities	(8		)	(259		)
Unrealized holding gains on equity securities	(113		)	—
Gain on sale of loans held for sale	(450		)	(529		)
Proceeds from sales of loans held for sale	17,947			22,777
Originations of loans held for sale	(17,650		)	(18,124		)
Net (gain) loss on other real estate owned	(6		)	3
Valuation allowance on other real estate owned	—			26
Net gain on sale of premises and equipment	(3		)	—
Equity based compensation expense	278			309
Earnings on bank owned life insurance	(106		)	(107		)
Deferred income tax (benefit) expense	(2		)	438
Net change in interest receivable	286			601
Net change in other assets	(644		)	(350		)
Net change in interest payable	24			(49		)
Net change in other liabilities	59			250
Net cash provided by operating activities	5,926			10,066
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	22,066			41,519
Proceeds from maturities, calls and paydowns of securities available for sale	9,824			12,885
Purchases of securities available for sale	(27,272		)	—
Net change in restricted stock	889			732
Net decrease (increase) in loans	14,840			(55,067		)
Proceeds from sale of premises and equipment	24			—
Purchases of premises and equipment	(345		)	(663		)
Proceeds from sales of other real estate owned	47			37
Net cash provided by (used in) investing activities	20,073			(557		)
Cash Flows from Financing Activities:
Net change in demand, money market, and savings deposits	26,591			53,087
Net change in time deposits	(2,066		)	(7,623		)
Net change in customer repurchase agreements	(260		)	8,610
Net change in other short-term borrowings	(24,000		)	(20,000		)
Common stock dividends paid	(2,173		)	(2,073		)
Proceeds from exercise of stock options	85			73
Net cash (used in) provided by financing activities	(1,823		)	32,074
Net Increase in Cash and Cash Equivalents	24,176			41,583
Cash and Cash Equivalents at Beginning of Period	52,477			53,207
Cash and Cash Equivalents at End of Period	$	76,653		$	94,790

The accompanying notes are an integral part of the consolidated financial statements.

8

AMERICAN NATIONAL BANKSHARES INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 1 – Accounting Policies

The consolidated financial statements include the accounts of American National Bankshares Inc. (the "Company") and its wholly owned subsidiary, American National Bank and Trust Company (the "Bank").  The Bank offers a wide variety of retail, commercial, secondary market mortgage lending, and trust and investment services which also include non-deposit products such as mutual funds and insurance policies.

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America ("GAAP") requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, goodwill and intangible assets, unfunded pension liability, other-than-temporary impairment of securities, accounting for merger and acquisition activity, accounting for acquired loans with specific credit-related deterioration, the valuation of deferred tax assets and liabilities, and the valuation of other real estate owned ("OREO").

All significant inter-company transactions and accounts are eliminated in consolidation, with the exception of the AMNB Trust and the MidCarolina Trusts, as detailed in Note 8.

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments (consisting of normal recurring accruals) necessary to present fairly the results of the interim periods. The results of operations for the interim periods are not necessarily indicative of the results that may occur for any other period.  Certain reclassifications have been made to prior period balances to conform to the current period presentation. These reclassifications did not have an impact on net income and were considered immaterial. These statements should be read in conjunction with the Notes to Consolidated Financial Statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2017.

Adoption of New Accounting Standards

On January 1, 2018, the Company adopted Accounting Standards Update ("ASU") 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which amended the guidance on the classification and measurement of financial instruments. Upon adoption of ASU 2016-01, the Company reclassified $650,000 from other comprehensive income to retained earnings for the difference in amortized cost and fair value. For the quarter ended March 31, 2018, the Company recognized the equity securities fair value change in net income. Previously, the fair value changes were recognized, net of tax, in other comprehensive income (loss). The adoption of ASU 2016-01 did not have a material effect on the Company's consolidated financial statements.

During the first quarter of 2018, the Company adopted ASU 2014-09, "Revenue from Contracts with Customers", and all subsequent amendments to the ASU (collectively "ASC 606"), which (i) creates a single framework for recognizing revenue from contracts with customers that fall within its scope and (ii) revises when it is appropriate to recognize a gain (loss) from the transfer of nonfinancial assets, such as OREO. The majority of the Company's revenue is from interest income, including loans and securities, that are outside the scope of the the standard. The services that fall within the scope of the standard are presented within noninterest income on the consolidated statement of income and are recognized as revenue as the Company satisfies its obligations to the customer. The revenue that falls within the scope of ASC 606 is primarily related to service charges on deposit accounts, cardholder and merchant income, wealth advisory services income, other service charges and fees, sales of other real estate, insurance commissions and miscellaneous fees. ASC 606 did not result in a change to the accounting for any in-scope revenue streams; as such, no cumulative effect adjustment was recorded.

Recent Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU No. 2016-02, "Leases (Topic 842)." Among other things, in the amendments in ASU 2016-02, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date: (1) a lease liability, which is a lessee's obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee's right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. Certain targeted improvements were made to align, where necessary, lessor accounting with the lessee accounting model and Topic 606, Revenue from Contracts with Customers. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted

9

upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company has analyzed all leases currently in place and determined the adoption of ASU 2016-02 will not have a material impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." The amendments in this ASU, among other things, require the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this ASU are effective for Securities and Exchange Commission ("SEC") filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company has formed a committee to address the adoption of the standard and engaged a third party vendor to assist with the data gathering and analysis. The Company is currently assessing the impact that ASU 2016-13 will have on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment". The amendments in this ASU simplify how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. Instead, under the amendments in this ASU, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. Public business entities that are SEC filers should adopt the amendments in this ASU for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company does not expect the adoption of ASU 2017-04 to have a material impact on its consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, "Receivables-Nonrefundable Fees and Other Costs (Subtopic 310‐20), Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities purchased at a premium. Upon adoption of the standard, premiums on these qualifying callable debt securities will be amortized to the earliest call date. Discounts on purchased debt securities will continue to be accreted to maturity. The amendments are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Upon transition, entities should apply the guidance on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption and provide the disclosures required for a change in accounting principle. The Company is currently assessing the impact that ASU 2017-08 will have on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU modify the designation and measurement guidance for hedge accounting as well as provide for increased transparency regarding the presentation of economic results on both the financial statements and related footnotes. Certain aspects of hedge effectiveness assessments will also be simplified upon implementation of this update. The amendments are effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2018. Early adoption is permitted, including adoption in any interim period. The Company is currently assessing the impact that ASU 2017-12 will have on its consolidated financial statements.

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Note 2 – Securities

The amortized cost and fair value of investments in debt and equity securities at March 31, 2018 and December 31, 2017 were as follows (dollars in thousands):

	March 31, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	112,141	$	2	$	3,516	$	108,627
Mortgage-backed and CMOs	110,832		200		2,611		108,421
State and municipal	85,115		828		621		85,322
Corporate	7,834		172		28		7,978
Total securities available for sale	$	315,922	$	1,202	$	6,776	$	310,348

The Company adopted ASU 2016-01 effective January 1, 2018 and had equity securities with a fair value of $2,320,000 at March 31, 2018 and recognized in income $113,000 of unrealized holding gains in the first quarter of 2018.

	December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	114,246	$	8	$	2,127	$	112,127
Mortgage-backed and CMOs	106,163		293		1,140		105,316
State and municipal	92,711		1,262		347		93,626
Corporate	7,842		234		14		8,062
Equity securities	1,383		823		—		2,206
Total securities available for sale	$	322,345	$	2,620	$	3,628	$	321,337

Restricted Stock

Due to restrictions placed upon the Bank's common stock investment in the Federal Reserve Bank of Richmond ("FRB") and Federal Home Loan Bank of Atlanta ("FHLB"), these securities have been classified as restricted equity securities and carried at cost.  The restricted securities are not subject to the investment security classification and are included as a separate line item on the Company's Consolidated Balance Sheet.  The FRB requires the Bank to maintain stock with a par value equal to 3.00% of its outstanding capital and an additional 3.00% is on call.  The FHLB requires the Bank to maintain stock in an amount equal to 4.25% of outstanding borrowings and a specific percentage of the Bank's total assets. The cost of restricted stock at March 31, 2018 and December 31, 2017 was as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
FRB stock	$	3,595	$	3,587
FHLB stock	1,626		2,523
Total restricted stock	$	5,221	$	6,110

Temporarily Impaired Securities

The following table shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at March 31, 2018.  The reference point for determining when securities are in an unrealized loss position is month-end.  Therefore, it is possible that a security's market value exceeded its amortized cost on other days during the past twelve-month period.

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Available for sale securities that have been in a continuous unrealized loss position are as follows (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	103,732	$	3,516	$	50,944	$	835	$	52,789	$	2,681
Mortgage-backed and CMOs	99,661		2,611		74,839		1,602		24,822		1,009
State and municipal	38,355		621		31,395		294		6,960		327
Corporate	1,507		28		484		16		1,023		12
Total	$	243,255	$	6,776	$	157,662	$	2,747	$	85,594	$	4,029

Federal agencies and GSEs: The unrealized losses on the Company's investment in 23 government sponsored entities ("GSE") securities were caused by interest rate increases. Twelve of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Mortgage-backed securities: The unrealized losses on the Company's investment in 65 GSE mortgage-backed securities were caused by interest rate increases. Sixteen of these securities were in an unrealized loss position for 12 months or more. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the securities would not be settled at a price less than the amortized cost basis of the Company's investments. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Collateralized Mortgage Obligations: The unrealized losses associated with two private GSE collateralized mortgage obligations ("CMO") were due to normal market fluctuations. One of these securities was in an unrealized loss position for 12 months or more. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the securities would not be settled at a price less than the amortized cost basis of the Company's investments. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of its amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

State and municipal securities:  The unrealized losses on 60 state and municipal securities were caused by interest rate increases. Eleven of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Corporate securities:  The unrealized losses on two corporate securities were caused by interest rate increases. One of these securities was in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Restricted stock: When evaluating restricted stock for impairment, its value is based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. The Company does not consider restricted stock to be other-than-temporarily impaired at March 31, 2018, and no impairment has been recognized.

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The table below shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrealized loss position, at December 31, 2017 (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	99,133	$	2,127	$	45,474	$	321	$	53,659	$	1,806
Mortgage-backed and CMOs	90,806		1,140		64,449		533		26,357		607
State and municipal	34,550		347		27,442		159		7,108		188
Corporate	1,529		14		495		5		1,034		9
Total	$	226,018	$	3,628	$	137,860	$	1,018	$	88,158	$	2,610

Other-Than-Temporarily-Impaired Securities

As of March 31, 2018 and December 31, 2017, there were no securities classified as other-than-temporarily impaired.

Realized Gains and Losses

The following table presents the gross realized gains and losses on and the proceeds from the sale of securities during the three months ended March 31, 2018 and 2017 (dollars in thousands):

	Three Months Ended March 31, 2018
Realized gains (losses):
Gross realized gains	$	105
Gross realized losses	(97		)
Net realized gains	$	8
Proceeds from sales of securities	$	22,066
	Three Months Ended March 31, 2017
Realized gains (losses):
Gross realized gains	$	260
Gross realized losses	(1		)
Net realized gains	$	259
Proceeds from sales of securities	$	41,519

Note 3 – Loans

Loans, excluding loans held for sale, at March 31, 2018 and December 31, 2017, were comprised of the following (dollars in thousands):

	March 31, 2018		December 31, 2017
Commercial	$	284,257	$	251,666
Commercial real estate:
Construction and land development	93,031		123,147
Commercial real estate	624,164		637,701
Residential real estate:
Residential	207,256		209,326
Home equity	108,024		109,857
Consumer	4,489		4,428
Total loans	$	1,321,221	$	1,336,125

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Acquired Loans

The outstanding principal balance and the carrying amount of these loans, including FASB Accounting Standards Codification ("ASC") 310-30, included in the consolidated balance sheets at March 31, 2018 and December 31, 2017 are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	73,058	$	79,523
Carrying amount	67,685		73,796

The outstanding principal balance and related carrying amount of acquired impaired loans, for which the Company applies ASC 310-30 to account for interest earned, as of the indicated dates are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	26,229	$	27,876
Carrying amount	22,034		23,430

The following table presents changes in the accretable yield on acquired impaired loans, for which the Company applies FASB ASC 310-30, for the three months ended March 31, 2018 and the year ended December 31, 2017 (dollars in thousands):

	March 31, 2018			December 31, 2017
Balance at January 1	$	4,890		$	6,103
Accretion	(691		)	(3,117		)
Reclassification from nonaccretable difference	259			1,006
Other changes, net*	157			898
	$	4,615		$	4,890

* This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate acquired impaired loans, and discounted payoffs that occurred in the period.

Past Due Loans

The following table shows an analysis by portfolio segment of the Company's past due loans at March 31, 2018 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	180	$	—	$	—	$	102	$	282	$	283,975	$	284,257
Commercial real estate:
Construction and land development	185		—		—		35		220		92,811		93,031
Commercial real estate	30		—		—		233		263		623,901		624,164
Residential:
Residential	230		11		255		1,005		1,501		205,755		207,256
Home equity	75		—		18		223		316		107,708		108,024
Consumer	41		—		—		—		41		4,448		4,489
Total	$	741	$	11	$	273	$	1,598	$	2,623	$	1,318,598	$	1,321,221

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The following table shows an analysis by portfolio segment of the Company's past due loans at December 31, 2017 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	92	$	—	$	—	$	90	$	182	$	251,484	$	251,666
Commercial real estate:
Construction and land development	—		—		—		36		36		123,111		123,147
Commercial real estate	86		—		280		489		855		636,846		637,701
Residential:
Residential	282		71		79		1,343		1,775		207,551		209,326
Home equity	141		16		—		243		400		109,457		109,857
Consumer	21		5		—		—		26		4,402		4,428
Total	$	622	$	92	$	359	$	2,201	$	3,274	$	1,332,851	$	1,336,125

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Impaired Loans

The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at March 31, 2018 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	—	$	—	$	—	$	3	$	—
Commercial real estate:
Construction and land development	—		—		—		—		—
Commercial real estate	529		526		—		660		10
Residential:
Residential	1,209		1,211		—		963		8
Home equity	140		141		—		141		3
Consumer	4		4		—		5		—
	$	1,882	$	1,882	$	—	$	1,772	$	21
With a related allowance recorded:
Commercial	$	122	$	121	$	60	$	162	$	1
Commercial real estate:
Construction and land development*	35		36		—		36		—
Commercial real estate*	29		29		—		31		—
Residential
Residential	151		151		11		607		2
Home equity	243		245		89		233		1
Consumer	—		—		—		—		—
	$	580	$	582	$	160	$	1,069	$	4
Total:
Commercial	$	122	$	121	$	60	$	165	$	1
Commercial real estate:
Construction and land development	35		36		—		36		—
Commercial real estate	558		555		—		691		10
Residential:
Residential	1,360		1,362		11		1,570		10
Home equity	383		386		89		374		4
Consumer	4		4		—		5		—
	$	2,462	$	2,464	$	160	$	2,841	$	25

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

In the table above, recorded investment may exceed unpaid principal balance due to acquired loans with a premium and loans where unearned costs exceed unearned fees.

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The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at December 31, 2017 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	4	$	4	$	—	$	19	$	1
Commercial real estate:
Construction and land development	—		—		—		56		4
Commercial real estate	791		789		—		1,069		66
Residential:
Residential	717		719		—		575		41
Home equity	142		142		—		109		10
Consumer	5		5		—		6		1
	$	1,659	$	1,659	$	—	$	1,834	$	123
With a related allowance recorded:
Commercial	$	202	$	201	$	154	$	150	$	16
Commercial real estate:
Construction and land development*	37		37		—		56		—
Commercial real estate*	34		32		—		126		11
Residential:
Residential	1,022		1,022		12		1,174		27
Home equity	263		261		1		251		1
Consumer*	—		—		—		5		—
	$	1,558	$	1,553	$	167	$	1,762	$	55
Total:
Commercial	$	206	$	205	$	154	$	169	$	17
Commercial real estate:
Construction and land development	37		37		—		112		4
Commercial real estate	825		821		—		1,195		77
Residential:
Residential	1,739		1,741		12		1,749		68
Home equity	405		403		1		360		11
Consumer	5		5		—		11		1
	$	3,217	$	3,212	$	167	$	3,596	$	178

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

In the table above, recorded investment may exceed unpaid principal balance due to acquired loans with a premium and loans where unearned costs exceed unearned fees.

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The following tables show the detail of loans modified as troubled debt restructurings ("TDRs") during the three months ended March 31, 2018 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2018
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	—	$	—	$	—
Commercial real estate	—	—		—
Construction and land development	—	—		—
Home Equity	—	—		—
Residential real estate	1	11		11
Consumer	—	—		—
Total	1	$	11	$	11

The following tables show the detail of loans modified as TDRs during the three months ended March 31, 2017 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2017
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	5	$	212	$	212
Commercial real estate	—	—		—
Construction and land development	—	—		57
Home Equity	2	57		36
Residential real estate	1	36		—
Consumer	—	—		—
Total	8	$	305	$	305

During the three months ended March 31, 2018 and 2017, the Company had no loans that subsequently defaulted within twelve months of modification. The Company defines defaults as one or more payments that occur more than 90 days past the due date, charge-off or foreclosure subsequent to modification.

Residential Real Estate in Process of Foreclosure

The Company had $259,000 in residential real estate loans in the process of foreclosure at March 31, 2018 and $1,150,000 and $629,000 in residential OREO at March 31, 2018 and December 31, 2017, respectively.

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Risk Grades

The following table shows the Company's loan portfolio broken down by internal risk grading as of March 31, 2018 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	280,908	$	88,229	$	614,695	$	200,488	$	107,053
Special Mention	2,353		2,625		4,602		2,194		—
Substandard	996		2,177		4,867		4,574		971
Doubtful	—		—		—		—		—
Total	$	284,257	$	93,031	$	624,164	$	207,256	$	108,024

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,489
Nonperforming	—
Total	$	4,489

The following table shows the Company's loan portfolio broken down by internal risk grading as of December 31, 2017 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	248,714	$	114,502	$	625,861	$	200,405	$	107,705
Special Mention	1,763		7,114		6,914		4,438		1,325
Substandard	1,189		1,531		4,926		4,483		827
Doubtful	—		—		—		—		—
Total	$	251,666	$	123,147	$	637,701	$	209,326	$	109,857

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,415
Nonperforming	13
Total	$	4,428

Loans classified in the Pass category typically are fundamentally sound and risk factors are reasonable and acceptable.

Loans classified in the Special Mention category typically have been criticized internally, by loan review or the loan officer, or by external regulators under the current credit policy regarding risk grades.

Loans classified in the Substandard category typically have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt; they are typically characterized by the possibility that the Bank will sustain some loss if the deficiencies are not corrected.

Loans classified in the Doubtful category typically have all the weaknesses inherent in loans classified as substandard, plus the added characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts,

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conditions, and values highly questionable and improbable. However, these loans are not yet rated as loss because certain events may occur that may salvage the debt.

Consumer loans are classified as performing or nonperforming.  A loan is nonperforming when payments of interest and principal are past due 90 days or more, or payments are less than 90 days past due, but there are other good reasons to doubt that payment will be made in full.

Note 4 – Allowance for Loan Losses and Reserve for Unfunded Lending Commitments

Changes in the allowance for loan losses and the reserve for unfunded lending commitments as of the indicated dates and periods are presented below (dollars in thousands):

	Three Months Ended   March 31, 2018			Year Ended December 31, 2017			Three Months Ended   March 31, 2017
Allowance for Loan Losses
Balance, beginning of period	$	13,603		$	12,801		$	12,801
Provision for loan losses	(44		)	1,016			300
Charge-offs	(44		)	(690		)	(49		)
Recoveries	60			476			56
Balance, end of period	$	13,575		$	13,603		$	13,108
Reserve for Unfunded Lending Commitments
Balance, beginning of period	$	206		$	203		$	203
Provision for unfunded commitments	5			3			3
Charge-offs	—			—			—
Balance, end of period	$	211		$	206		$	206

The reserve for unfunded loan commitments is included in other liabilities.

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The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the three months ended March 31, 2018 (dollars in thousands):

	Commercial		Commercial Real Estate			Residential Real Estate		Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2017:	$	2,413	$	8,321		$	2,825	$	44		$	13,603
Provision for loan losses	254		(400		)	97		5			(44		)
Charge-offs	—		(11		)	—		(33		)	(44		)
Recoveries	10		1			20		29			60
Balance at March 31, 2018:	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Balance at March 31, 2018:
Allowance for Loan Losses
Individually evaluated for impairment	$	60	$	—		$	100	$	—		$	160
Collectively evaluated for impairment	2,617		7,868			2,644		45			13,174
Acquired impaired loans	—		43			198		—			241
Total	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Loans
Individually evaluated for impairment	$	122	$	593		$	1,743	$	4		$	2,462
Collectively evaluated for impairment	283,823		705,704			302,728		4,470			1,296,725
Acquired impaired loans	312		10,898			10,809		15			22,034
Total	$	284,257	$	717,195		$	315,280	$	4,489		$	1,321,221

The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the year ended December 31, 2017 (dollars in thousands):

	Commercial			Commercial Real Estate			Residential Real Estate			Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2016:	$	2,095		$	7,355		$	3,303		$	48		$	12,801
Provision for loan losses	377			999			(391		)	31			1,016
Charge-offs	(282		)	(93		)	(172		)	(143		)	(690		)
Recoveries	223			60			85			108			476
Balance at December 31, 2017:	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Balance at December 31, 2017:
Allowance for Loan Losses
Individually evaluated for impairment	$	154		$	—		$	13		$	—		$	167
Collectively evaluated for impairment	2,259			8,203			2,645			44			13,151
Acquired impaired loans	—			118			167			—			285
Total	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Loans
Individually evaluated for impairment	$	206		$	862		$	2,144		$	5		$	3,217
Collectively evaluated for impairment	251,185			747,819			306,066			4,408			1,309,478
Acquired impaired loans	275			12,167			10,973			15			23,430
Total	$	251,666		$	760,848		$	319,183		$	4,428		$	1,336,125

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The allowance for loan losses is allocated to loan segments based upon historical loss factors, risk grades on individual loans, portfolio analysis of smaller balance homogenous loans, and qualitative factors.  Qualitative factors include trends in delinquencies, nonaccrual loans, and loss rates; trends in volume and terms of loans, effects of changes in risk selection, underwriting standards, and lending policies; experience of lending officers, other lending staff and loan review; national, regional, and local economic trends and conditions; legal, regulatory and collateral factors; and concentrations of credit.

Note 5 – Goodwill and Other Intangible Assets

The Company records as goodwill the excess of the purchase price over the fair value of the identifiable net assets acquired. Impairment testing is performed annually, as well as when an event triggering impairment may have occurred. The Company performs its annual analysis as of June 30 each fiscal year. Accounting guidance permits preliminary assessment of qualitative factors to determine whether more substantial impairment testing is required. The Company chose to bypass the preliminary assessment and utilized a two-step process for impairment testing of goodwill. The first step tests for impairment, while the second step, if necessary, measures the impairment.  No indicators of impairment were identified as of June 30, 2017.

Core deposit intangibles resulting from the acquisition of MidCarolina Financial Corporation ("MidCarolina") in July 2011 were $6,556,000 and are being amortized on an accelerated basis over 108 months. Core deposit intangibles resulting from the acquisition of MainStreet BankShares, Inc. ("MainStreet") in January 2015 were $1,839,000 and are being amortized on an accelerated basis over 120 months.

The changes in the carrying amount of goodwill and intangibles for the three months ended March 31, 2018, are as follows (dollars in thousands):

	Goodwill		Intangibles
Balance at December 31, 2017	$	43,872	$	1,191
Additions	—		—
Amortization	—		(77		)
Impairment	—		—
Balance at March 31, 2018	$	43,872	$	1,114

Note 6 – Short-term Borrowings

Short-term borrowings consist of customer repurchase agreements, overnight borrowings from the FHLB, and federal funds purchased.  The Company has federal funds lines of credit established with two correspondent banks in the amounts of $15,000,000, each, and, additionally, has access to the FRB's discount window. Customer repurchase agreements are collateralized by securities of the U.S. Government or its agencies ("GSEs").  They mature daily.  The interest rates may be changed at the discretion of the Company. The securities underlying these agreements remain under the Company's control. FHLB overnight borrowings contain floating interest rates that may change daily at the discretion of the FHLB.  Federal funds purchased are unsecured overnight borrowings from other financial institutions. Short-term borrowings consisted of the following at March 31, 2018 and December 31, 2017 (dollars in thousands):

	March 31, 2018		December 31, 2017
Customer repurchase agreements	$	10,466	$	10,726
Other short-term borrowings	—		24,000
	$	10,466	$	34,726

Note 7 – Long-term Borrowings

Under the terms of its collateral agreement with the FHLB, the Company provides a blanket lien covering all of its residential first mortgage loans, second mortgage loans, home equity lines of credit, and commercial real estate loans.  In addition, the Company pledges as collateral its capital stock in the FHLB and deposits with the FHLB.  The Company has a line of credit with the FHLB equal to 30% of the Company's assets, subject to the amount of collateral pledged.  As of March 31, 2018, $561,422,000 in eligible collateral was pledged under the blanket floating lien agreement which covers both short-term and long-term borrowings. 

In the regular course of conducting its business, the Company takes deposits from political subdivisions of the states of Virginia and North Carolina. At March 31, 2018, the Bank's public deposits totaled $252,535,000.  The Company is required to provide collateral to secure the deposits that exceed the insurance coverage provided by the Federal Deposit Insurance Corporation. This collateral can be provided in the form of certain types of government or agency bonds or letters of credit

22

from the FHLB. At March 31, 2018, the Company had $190,000,000 in letters of credit with the FHLB outstanding, as well as $103,992,000 in agency, state, and municipal securities pledged to provide collateral for such deposits.

Note 8 – Junior Subordinated Debt

On April 7, 2006, AMNB Statutory Trust I, a Delaware statutory trust and a wholly owned unconsolidated subsidiary of the Company, issued $20,000,000 of preferred securities (the "Trust Preferred Securities") in a private placement pursuant to an applicable exemption from registration.  The Trust Preferred Securities mature on June 30, 2036, but may be redeemed at the Company's option beginning on September 30, 2011.  Distributions are cumulative and will accrue from the date of original issuance, but may be deferred by the Company from time to time for up to 20 consecutive quarterly periods.  The Company has guaranteed the payment of all required distributions on the Trust Preferred Securities. The proceeds of the Trust Preferred Securities received by the trust, along with proceeds of $619,000 received by the trust from the issuance of common securities by the trust to the Company, were used to purchase $20,619,000 of the Company's junior subordinated debt securities (the "Junior Subordinated Debt"), issued pursuant to junior subordinated debentures entered into between the Company and Wilmington Trust Company, as trustee.  The proceeds of the Junior Subordinated Debt were used to fund the cash portion of the merger consideration to the former shareholders of Community First Financial Corporation in connection with the Company's acquisition of that company in 2006, and for general corporate purposes.

On July 1, 2011, in connection with the MidCarolina merger, the Company assumed $8,764,000 in junior subordinated debt to MidCarolina Trust I and MidCarolina Trust II, two separate Delaware statutory trusts (the "MidCarolina Trusts"), to fully and unconditionally guarantee the preferred securities issued by the MidCarolina Trusts. These long-term obligations, which currently qualify as Tier 1 capital, constitute a full and unconditional guarantee by the Company of the MidCarolina Trusts' obligations. The MidCarolina Trusts were not consolidated in the Company's financial statements.

In accordance with ASC 810-10-15-14, "Consolidation - Overall - Scope and Scope Exceptions," the Company did not eliminate through consolidation the Company's $619,000 equity investment in AMNB Statutory Trust I or the $264,000 equity investment in the MidCarolina Trusts.  Instead, the Company reflected this equity investment in the "Accrued interest receivable and other assets" line item in the consolidated balance sheets.

A description of the junior subordinated debt securities outstanding payable to the trusts is shown below as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Issuing Entity	Date Issued	Interest Rate		Maturity Date	Principal Amount
					March 31, 2018		December 31, 2017
AMNB Trust I	4/7/2006	Libor plus	1.35%	6/30/2036	$	20,619	$	20,619
MidCarolina Trust I	10/29/2002	Libor plus	3.45%	11/7/2032	4,335		4,322
MidCarolina Trust II	12/3/2003	Libor plus	2.95%	10/7/2033	2,897		2,885
					$	27,851	$	27,826

The principal amounts reflected above for the MidCarolina Trusts are net of fair value adjustments of $1,532,000 and $1,557,000 at March 31, 2018 and December 31, 2017, respectively. The original fair value adjustments of $1,197,000 and $1,021,000 were recorded as a result of the acquisition of MidCarolina on July 1, 2011, and are being amortized into interest expense over the remaining lives of the respective borrowings.

Note 9 – Stock Based Compensation

The Company's 2008 Stock Incentive Plan ("2008 Plan") was adopted by the Board of Directors of the Company on February 19, 2008, and approved by shareholders on April 22, 2008, at the Company's 2008 Annual Meeting of Shareholders.  The 2008 Plan provided for the granting of restricted stock awards and incentive and non-statutory options to employees and directors on a periodic basis, at the discretion of the Board of Directors or a Board designated committee.  The 2008 Plan authorized the issuance of up to 500,000 shares of common stock. The 2008 Plan replaced the Company's stock option plan that was approved by the shareholders at the 1997 Annual Meeting, which expired in 2006. The 2008 Plan terminated in February 2018. The Board will be proposing a new stock based compensation plan for shareholder approval at the upcoming 2018 Annual Meeting (the 2018 Equity Compensation Plan).

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Stock Options

Accounting guidance requires that compensation cost relating to share-based payment transactions be recognized in the financial statements with measurement based upon the fair value of the equity or liability instruments issued.

A summary of stock option transactions for the three months ended March 31, 2018 is as follows:

	Option Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2017	50,985		$	24.09
Acquired in acquisition	—		—
Granted	—		—
Exercised	(3,300	)	25.76
Forfeited	—		—
Expired	(1,650	)	33.33
Outstanding at March 31, 2018	46,035		$	23.64	0.59 years	$	643
Exercisable at March 31, 2018	46,035		$	23.64	0.59 years	$	643

The fair value of options is estimated at the date of grant using the Black-Scholes option pricing model and expensed over the options' vesting period.  No stock options have been granted since 2009. As of March 31, 2018, there were no unrecognized compensation expenses related to nonvested stock option grants.

Restricted Stock

The Company from time-to-time grants shares of restricted stock to key employees and non-employee directors.  These awards help align the interests of these employees and directors with the interests of the shareholders of the Company by providing economic value directly related to increases in the value of the Company's common stock.  The value of the stock awarded is established as the fair value of the stock at the time of the grant.  The Company recognizes expense, equal to the total value of such awards, ratably over the vesting period of the stock grants. The majority of the restricted stock granted cliff vests at the end of a 36 month period beginning on the date of the grant. The remainder vests one-third each year beginning on the date of the grant. Nonvested restricted stock activity for the three months ended March 31, 2018 is summarized in the following table.

Restricted Stock	Shares		Weighted Average Grant Date Value
Nonvested at December 31, 2017	46,501		$	26.28
Granted	18,192		39.52
Vested	(10,101	)	21.62
Forfeited	(483	)	34.70
Nonvested at March 31, 2018	54,109		$	31.53

As of March 31, 2018 and December 31, 2017, there was $1,110,000 and $538,000, respectively, in unrecognized compensation cost related to nonvested restricted stock granted under the 2008 Plan.  The weighted average period over which this cost is expected to be recognized is 1.71 years.  The share based compensation expense for nonvested restricted stock was $147,000 and $192,000 during the first three months of 2018 and 2017, respectively.

The Company offers its outside directors alternatives with respect to director compensation. For 2018, the regular quarterly board retainer will be received in the form of shares of immediately vested, but restricted stock with a market value of $7,500. Monthly meeting fees can be received as $725 per meeting in cash or $900 in immediately vested, but restricted stock.  Only outside directors receive board fees. The Company issued 3,477 and 3,251 shares and recognized share based compensation expense of $130,000 and $117,000 during the first three months of 2018 and 2017, respectively.

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Note 10 – Earnings Per Common Share

The following shows the weighted average number of shares used in computing earnings per common share and the effect on weighted average number of shares of potentially dilutive common stock. Potentially dilutive common stock had no effect on income available to common shareholders. Nonvested restricted shares are included in the computation of basic earnings per share as the holder is entitled to full shareholder benefits during the vesting period including voting rights and sharing in nonforfeitable dividends. The following table presents basic and diluted earnings per share for the three month periods ended March 31, 2018 and 2017.

	Three Months Ended March 31,
	2018			2017
	Shares	Per Share Amount		Shares	Per Share Amount
Basic earnings per share	8,669,728	$	0.67	8,633,219	$	0.47
Effect of dilutive securities - stock options	17,623	—		17,920	—
Diluted earnings per share	8,687,351	$	0.67	8,651,139	$	0.47

Outstanding stock options on common stock that were not included in computing diluted earnings per share for the three month periods ended March 31, 2018 and 2017 because their effects were anti-dilutive, averaged 0 and 1,320 shares, respectively.

Note 11 – Employee Benefit Plans

The following information for the three months ended March 31, 2018 and 2017 pertains to the Company's non-contributory defined benefit pension plan which was frozen in 2009.  If lump sum payments exceed the service cost plus interest cost, an additional settlement charge will apply (dollars in thousands):

Components of Net Periodic Benefit Cost	Three Months Ended March 31,
	2018			2017
Service cost	$	—		$	—
Interest cost	51			59
Expected return on plan assets	(64		)	(88		)
Recognized loss due to settlement	25			35
Recognized net actuarial loss	68			54
Net periodic cost	$	80		$	60

Note 12 – Fair Value of Financial Instruments

Determination of Fair Value

The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In accordance with the fair value measurements and disclosures topic of FASB ASC 820, the fair value of an instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for the Company's various instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument. 

The fair value guidance provides a consistent definition of fair value, which focuses on exit price in an orderly transaction (that is, not a forced liquidation or distressed sale) between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

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Fair Value Hierarchy

In accordance with this guidance, the Company groups its financial assets and financial liabilities generally measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value.

Level 1 –	Valuation is based on quoted prices in active markets for identical assets and liabilities.
Level 2 –	Valuation is based on observable inputs including quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets and liabilities in less active markets, and model-based valuation techniques for which significant assumptions can be derived primarily from or corroborated by observable data in the market.
Level 3 –	Valuation is based on model-based techniques that use one or more significant inputs or assumptions that are unobservable in the market.

 The following describes the valuation techniques used by the Company to measure certain financial assets and financial liabilities recorded at fair value on a recurring basis in the financial statements:

Securities available for sale: Securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted market prices, when available (Level 1). If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that consider observable market data (Level 2). If no observable market data is available, valuations are based upon third party model based techniques (Level 3). There were no securities recorded with a Level 3 valuation at March 31, 2018 or December 31, 2017.

The following table presents the balances of financial assets measured at fair value on a recurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	108,627	$	—	$	108,627	$	—
Mortgage-backed and CMOs	108,421		—		108,421		—
State and municipal	85,322		—		85,322		—
Corporate	7,978		—		7,978		—
Total securities available for sale	$	310,348	$	—	$	310,348	$	—
Equity securities	$	2,320	$	—	$	2,320	$	—

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	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	112,127	$	—	$	112,127	$	—
Mortgage-backed and CMOs	105,316		—		105,316		—
State and municipal	93,626		—		93,626		—
Corporate	8,062		—		8,062		—
Equity securities	2,206		—		2,206		—
Total securities available for sale	$	321,337	$	—	$	321,337	$	—

  Certain assets are measured at fair value on a nonrecurring basis in accordance with GAAP. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets.

The following describes the valuation techniques used by the Company to measure certain assets recorded at fair value on a nonrecurring basis in the financial statements:

Loans held for sale: Loans held for sale are carried at fair value. These loans currently consist of one-to-four family residential loans originated for sale in the secondary market. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale (Level 2). As such, the Company records any fair value adjustments on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the three month period ended March 31, 2018 or the year ended December 31, 2017. Gains and losses on the sale of loans are recorded within mortgage banking income on the Consolidated Statements of Income.

Impaired loans: Loans are designated as impaired when, in the judgment of management based on current information and events, it is probable that all amounts due according to the contractual terms of the loan agreements will not be collected when due. The measurement of the loss associated with impaired loans can be based on either the observable market price of the loan or the fair value of the collateral. Collateral may be in the form of real estate or business assets including equipment, inventory, and accounts receivable.  The vast majority of the Company's collateral is real estate.  The value of real estate collateral is determined utilizing a market valuation approach based on an appraisal, of one year or less, conducted by an independent, licensed appraiser using observable market data (Level 2).  However, if the collateral is a house or building in the process of construction or if an appraisal of the property is more than one year old and not solely based on observable market comparables or management determines the fair value of the collateral is further impaired below the appraised value, then a Level 3 valuation is considered to measure the fair value.  The value of business equipment is based upon an outside appraisal, of one year or less, if deemed significant, or the net book value on the applicable business's financial statements if not considered significant using observable market data.  Likewise, values for inventory and accounts receivable collateral are based on financial statement balances or aging reports (Level 3).  Impaired loans allocated to the allowance for loan losses are measured at fair value on a nonrecurring basis.  Any fair value adjustments are recorded in the period incurred as provision for loan losses on the Consolidated Statements of Income.

OREO:  Measurement for fair values for OREO are the same as impaired loans. Any fair value adjustments are recorded in the period incurred as a valuation allowance against other real estate owned with the associated expense included in other real estate owned expense, net on the Consolidated Statements of Income.

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The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,792	$	—	$	1,792	$	—
Impaired loans, net of valuation allowance	420		—		—		420
Other real estate owned, net	1,716		—		—		1,716

	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,639	$	—	$	1,639	$	—
Impaired loans, net of valuation allowance	1,391		—		—		1,391
Other real estate owned, net	1,225		—		—		1,225

The following tables summarize the Company's quantitative information about Level 3 fair value measurements at the dates indicated:

Quantitative Information About Level 3 Fair Value Measurements at March 31, 2018

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

Quantitative Information About Level 3 Fair Value Measurements at December 31, 2017

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

ASC 825, "Financial Instruments," requires disclosure about fair value of financial instruments for interim periods and excludes certain financial instruments and all non-financial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented may not necessarily represent the underlying fair value of the Company.

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The carrying values and the exit pricing concept fair values of the Company's financial instruments at March 31, 2018 are as follows (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	76,653	$	76,653	$	—	$	—	$	76,653
Equity securities	2,320				2,320				2,320
Securities available for sale	310,348		—		310,348		—		310,348
Restricted stock	5,221		—		5,221		—		5,221
Loans held for sale	1,792		—		1,792		—		1,792
Loans, net of allowance	1,307,646		—		—		1,305,037		1,305,037
Bank owned life insurance	18,566		—		18,566		—		18,566
Accrued interest receivable	4,945		—		4,945		—		4,945
Financial Liabilities:
Deposits	$	1,559,251	$	—	$	1,566,012	$	—	$	1,566,012
Repurchase agreements	10,466		—		10,466		—		10,466
Junior subordinated debt	27,851		—		—		21,801		21,801
Accrued interest payable	698		—		698		—		698

The carrying values and estimated fair values of the Company's financial instruments at December 31, 2017 are as follows (dollars in thousands):

	Fair Value Measurements at December 31, 2017 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	52,477	$	52,477	$	—	$	—	$	52,477
Securities available for sale	321,337		—		321,337		—		321,337
Restricted stock	6,110		—		6,110		—		6,110
Loans held for sale	1,639		—		1,639		—		1,639
Loans, net of allowance	1,322,522		—		—		1,317,737		1,317,737
Bank owned life insurance	18,460		—		18,460		—		18,460
Accrued interest receivable	5,231		—		5,231		—		5,231
Financial Liabilities:
Deposits	$	1,534,726	$	—	$	1,527,956	$	—	$	1,527,956
Repurchase agreements	10,726		—		10,726		—		10,726
Other short-term borrowings	24,000		—		24,000		—		24,000
Junior subordinated debt	27,826		—		—		28,358		28,358
Accrued interest payable	674		—		674		—		674

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The following methods and assumptions were used by the Company in estimating fair value disclosures for financial instruments:

Cash and cash equivalents.  The carrying amount is a reasonable estimate of fair value.

Securities.  Fair values are based on quoted market prices or dealer quotes.

Restricted stock. The carrying value of restricted stock approximates fair value based on the redemption provisions of the respective entity.

Loans held for sale.  The carrying amount is at fair value. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale

Loans.  For variable-rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values.  Fair values for fixed-rate loans are estimated based upon discounted cash flow analysis, using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.  Fair values for nonperforming loans are estimated using discounted cash flow analysis or underlying collateral values, where applicable.

Bank owned life insurance. Bank owned life insurance represents insurance policies on officers, directors, and past directors of the Company.  The cash values of the policies are estimates using information provided by insurance carriers.  These policies are carried at their cash surrender value, which approximates the fair value.

Accrued interest receivable.  The carrying amount is a reasonable estimate of fair value.

Deposits.  The fair value of demand deposits, savings deposits, and money market deposits equals the carrying value. The fair value of fixed-rate certificates of deposit is estimated by discounting the future cash flows using the current rates at which similar deposit instruments would be offered to depositors for the same remaining maturities.

Repurchase agreements.  The carrying amount is a reasonable estimate of fair value.

Other short-term borrowings.  The carrying amount is a reasonable estimate of fair value.

Long-term borrowings.  The fair values of long-term borrowings are estimated using discounted cash flow analysis based on the interest rates for similar types of borrowing arrangements.

Junior subordinated debt.  Fair value is calculated by discounting the future cash flows using the estimated current interest rates at which similar securities would be issued.

Accrued interest payable.  The carrying amount is a reasonable estimate of fair value.

Off-balance sheet instruments.  The fair value of letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties at the reporting date.  At March 31, 2018 and December 31, 2017, the fair value of off-balance sheet instruments was deemed immaterial, and therefore was not included in the previous table.

The Company assumes interest rate risk (the risk that interest rates will change) in its normal operations.  As a result, the fair values of the Company's financial instruments will change when interest rates change and that change may be either favorable or unfavorable to the Company.

Note 13 – Segment and Related Information

The Company has two reportable segments, community banking and trust and investment services.

Community banking involves making loans to and generating deposits from individuals and businesses.  All assets and liabilities of the Company are allocated to community banking.  Investment income from securities is also allocated to the community banking segment.  Loan fee income, service charges from deposit accounts, and non-deposit fees such as automated teller machine fees and insurance commissions generate additional income for the community banking segment.

Trust and investment services include estate planning, trust account administration, investment management, and retail brokerage.  Investment management services include purchasing equity, fixed income, and mutual fund investments for customer accounts. The trust and investment services segment receives fees for investment and administrative services.

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Amounts shown in the "Other" column includes activities of the Company which are primarily debt service on trust preferred securities and corporate items. 

Segment information as of and for the three months ended March 31, 2018 and 2017 (unaudited), is shown in the following tables (dollars in thousands):

	Three Months Ended March 31, 2018
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	16,580	$	—	$	88		$	—		$	16,668
Interest expense	1,835		—		290			—			2,125
Noninterest income	2,063		1,151		119			—			3,333
Income (loss) before income taxes	7,026		453		(261		)	—			7,218
Net income (loss)	5,653		365		(206		)	—			5,812
Depreciation and amortization	540		3		—			—			543
Total assets	1,807,991		—		237,802			(228,219		)	1,817,574
Goodwill	43,872		—		—			—			43,872
Capital expenditures	345		—		—			—			345

	Three Months Ended March 31, 2017
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	14,596	$	—	$	85		$	—		$	14,681
Interest expense	1,308		—		239			—			1,547
Noninterest income	2,161		1,104		6			—			3,271
Income (loss) before income taxes	5,457		541		(334		)	—			5,664
Net income (loss)	3,896		388		(221		)	—			4,063
Depreciation and amortization	606		3		—			—			609
Total assets	1,706,564		—		232,206			(222,965		)	1,715,805
Goodwill	43,872		—		—			—			43,872
Capital expenditures	657		6		—			—			663

Note 14 – Supplemental Cash Flow Information

	Three Months Ended   March 31,
	2018			2017
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$	18,772		$	27,418
Interest-bearing deposits in other banks	57,881			67,372
Cash and Cash Equivalents	$	76,653		$	94,790
Supplemental Disclosure of Cash Flow Information:
Cash paid for:
Interest on deposits and borrowed funds	$	2,101		$	1,596
Noncash investing and financing activities:
Transfer of loans to other real estate owned	532			402
Unrealized (losses) gains on securities available for sale	(3,742		)	752

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Note 15 – Accumulated Other Comprehensive Income

Changes in each component of accumulated other comprehensive income ("AOCI") for the three months ended March 31, 2018 and 2017 (unaudited) were as follows (dollars in thousands):

For the Three Months Ended	Net Unrealized Gains (Losses) on Securities			Adjustments Related to Pension Benefits			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2016	$	(150	)	$	(1,724	)	$	(1,874	)
Net unrealized gains on securities available for sale, net of tax, $354	657			—			657
Reclassification adjustment for realized gains on securities, net of tax, $(91)	(168		)	—			(168		)
Balance at March 31, 2017	$	339		$	(1,724	)	$	(1,385	)
Balance at December 31, 2017	$	(796	)	$	(2,280	)	$	(3,076	)
Net unrealized losses on securities available for sale, net of tax, $(861)	(2,873		)	—			(2,873		)
Reclassification adjustment for realized gains on securities, net of tax, $(2)	(6		)	—			(6		)
Reclassification for ASU 2016-01 adoption	(650		)	—			(650		)
Balance at March 31, 2018	$	(4,325	)	$	(2,280	)	$	(6,605	)

Reclassifications Out of Accumulated Other Comprehensive Income

For the three months ended March 31, 2018 and 2017

(dollars in thousands)

For the Three Months Ended March 31, 2018	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	8		Securities gains, net
	(2		)	Income taxes
	6
Reclassification for ASU 2016-01 adoption	650			*
Total reclassifications	$	656		Net of tax

* Reclassification from AOCI to retained earnings for unrealized holding gains on equity securities due to adoption of ASU 2016-01.

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For the Three Months Ended March 31, 2017	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	259		Securities gains, net
	(91		)	Income taxes
Total reclassifications	$	168		Net of tax

ITEM 2 - MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The purpose of this discussion is to focus on important factors affecting the financial condition and results of operations of the Company.  The discussion and analysis should be read in conjunction with the Consolidated Financial Statements.

Forward-Looking Statements

This report contains forward-looking statements with respect to the financial condition, results of operations and business of American National Bankshares Inc. (the "Company") and its wholly owned subsidiary, American National Bank and Trust Company (the "Bank").  These forward-looking statements involve risks and uncertainties and are based on the beliefs and assumptions of management of the Company and on information available to management at the time these statements and disclosures were prepared.  Forward-looking statements are subject to numerous assumptions, estimates, risks, and uncertainties that could cause actual conditions, events, or results to differ materially from those stated or implied by such forward-looking statements.

A variety of factors, some of which are discussed in more detail in Item 1A – Risk Factors of the Company's Annual Report on Form 10-K for the year ended December 31, 2017, may affect the operations, performance, business strategy, and results of the Company.  Those factors include, but are not limited to, the following:

• financial market volatility, including the level of interest rates, could affect the values of financial instruments and the amount of net interest income earned;

• general economic or business conditions, either nationally or in the market areas in which the Company does business, may be less favorable than expected, resulting in deteriorating credit quality, reduced demand for credit, or a weakened ability to generate deposits;

• competition among financial institutions may increase, and competitors may have greater financial resources and develop products and technology that enable those competitors to compete more successfully than the Company;

• businesses that the Company is engaged in may be adversely affected by legislative or regulatory changes, including changes in accounting standards and tax laws;

• the ability to retain key personnel;

• the failure of assumptions underlying the allowance for loan losses; and

• risks associated with mergers and acquisitions and other expansion activities.

Reclassification

In certain circumstances, reclassifications have been made to prior period information to conform to the 2018 presentation.  There were no material reclassifications.

CRITICAL ACCOUNTING POLICIES

The accounting and reporting policies followed by the Company conform with U.S. generally accepted accounting principles ("GAAP") and they conform to general practices within the banking industry.  The Company's critical accounting policies, which are summarized below, relate to (1) the allowance for loan losses, (2) mergers and acquisitions, (3) acquired loans with specific credit-related deterioration (4) goodwill and intangible assets, (5) other real estate owned, (6) deferred tax assets and liabilities, (7) other-than-temporary impairment of securities and (8) the unfunded pension liability.  A summary of the Company's significant accounting policies is set forth in Note 1 to the Consolidated Financial Statements contained in the Form 10-K for the year ended December 31, 2017.

33

The financial information contained within the Company's financial statements is, to a significant extent, financial information that is based on measures of the financial effects of transactions and events that have already occurred.  A variety of factors could affect the ultimate value that is obtained when earning income, recognizing an expense, recovering an asset, or relieving a liability.  In addition, GAAP itself may change from one previously acceptable method to another method.

Allowance for Loan Losses

The purpose of the allowance for loan losses ("ALLL") is to provide for probable losses inherent in the loan portfolio.  The allowance is increased by the provision for loan losses and by recoveries of previously charged-off loans.  Loan charge-offs decrease the allowance.

The goal of the Company is to maintain an appropriate, systematic, and consistently applied process to determine the amounts of the ALLL and the provision for loan loss expense.

The Company uses certain practices to manage its credit risk.  These practices include (1) appropriate lending limits for loan officers, (2) a loan approval process, (3) careful underwriting of loan requests, including analysis of borrowers, cash flows, collateral, and market risks, (4) regular monitoring of the portfolio, including diversification by type and geography, (5) review of loans by the Loan Review department, which operates independently of loan production, (6) regular meetings of the Credit Committee to discuss portfolio and policy changes and make decisions on large or unusual loan requests, and (7) regular meetings of the Asset Quality Committee which reviews the status of individual loans.

Risk grades are assigned as part of the loan origination process. From time to time, risk grades may be modified as warranted by the facts and circumstances surrounding the credit.

Calculation and analysis of the ALLL is prepared quarterly by the Finance Department.  The Company's Credit Committee, Risk and Compliance Committee, Audit Committee, and the Board of Directors review the allowance for adequacy.

The Company's ALLL has two basic components:  the formula allowance and the specific allowance.  Each of these components is determined based upon estimates and judgments.

The formula allowance uses historical loss experience as an indicator of future losses, along with various qualitative factors, including levels and trends in delinquencies, nonaccrual loans, charge-offs and recoveries, trends in volume and terms of loans, effects of changes in underwriting standards, experience of lending staff, economic conditions, portfolio concentrations, regulatory, legal, competition, quality of loan review system, and value of underlying collateral. In the formula allowance for commercial and commercial real estate loans, the historical loss rate is combined with the qualitative factors, resulting in an adjusted loss factor for each risk-grade category of loans.  The period-end balances for each loan risk-grade category are multiplied by the adjusted loss factor.  Allowance calculations for residential real estate and consumer loans are calculated based on historical losses for each product category without regard to risk grade. This loss rate is combined with qualitative factors resulting in an adjusted loss factor for each product category.

The specific allowance uses various techniques to arrive at an estimate of loss for specifically identified impaired loans. These include:

• The present value of expected future cash flows discounted at the loan's effective interest rate.  The effective interest rate on a loan is the rate of return implicit in the loan (that is, the contractual interest rate adjusted for any net deferred loan fees or costs and any premium or discount existing at the origination or acquisition of the loan);

• The loan's observable market price, or

• The fair value of the collateral, net of estimated costs to dispose, if the loan is collateral dependent.

The use of these computed values is inherently subjective and actual losses could be greater or less than the estimates.

No single statistic, formula, or measurement determines the adequacy of the allowance.  Management makes subjective and complex judgments about matters that are inherently uncertain, and different amounts would be reported under different conditions or using different assumptions.  For analytical purposes, management allocates a portion of the allowance to specific loan categories and specific loans.  However, the entire allowance is used to absorb credit losses inherent in the loan portfolio, including identified and unidentified losses.

The relationships and ratios used in calculating the allowance, including the qualitative factors, may change from period to period as facts and circumstances evolve.  Furthermore, management cannot provide assurance that in any particular period the Bank will not have sizable credit losses in relation to the amount reserved.  Management may find it necessary to significantly adjust the allowance, considering current factors at the time.

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Mergers and Acquisitions

Business combinations are accounted for under the Financial Accounting Standards Board (the "FASB") Accounting Standards Codification ("ASC") 805, Business Combinations, using the acquisition method of accounting. The acquisition method of accounting requires an acquirer to recognize the assets acquired and the liabilities assumed at the acquisition date measured at their fair values as of that date. To determine the fair values, the Company will rely on third party valuations, such as appraisals, or internal valuations based on discounted cash flow analysis or other valuation techniques. Under the acquisition method of accounting, the Company will identify the acquirer and the closing date and apply applicable recognition principles and conditions.

Acquisition-related costs are costs the Company incurs to effect a business combination. Those costs include advisory, legal, accounting, valuation, and other professional or consulting fees. Some other examples of costs to the Company include systems conversions, integration planning consultants and advertising costs. The Company will account for acquisition-related costs as expenses in the periods in which the costs are incurred and the services are received, with one exception. The costs to issue debt or equity securities will be recognized in accordance with other applicable GAAP. These acquisition-related costs have been and will be included within the Consolidated Statements of Income classified within the noninterest expense caption.

Acquired Loans with Specific Credit-Related Deterioration

Acquired loans with specific credit deterioration are accounted for by the Company in accordance with FASB ASC 310-30, Receivables - Loans and Debt Securities Acquired with Deteriorated Credit Quality. Certain acquired loans, those for which specific credit-related deterioration, since origination, is identified, are recorded at fair value reflecting the present value of the amounts expected to be collected. Income recognition on these loans is based on a reasonable expectation about the timing and amount of cash flows to be collected. Acquired loans deemed impaired and considered collateral dependent, with the timing of the sale of loan collateral indeterminate, remain on non-accrual status and have no accretable yield.

Goodwill and Intangible Assets

The Company performs its annual analysis as of June 30 each fiscal year. Accounting guidance permits preliminary assessment of qualitative factors to determine whether more substantial impairment testing is required. The Company chose to bypass the preliminary assessment and utilized a two-step process for impairment testing of goodwill. The first step tests for impairment, while the second step, if necessary, measures the impairment.  No indicators of impairment were identified during the three months ended March 31, 2018 or 2017.

Other Real Estate Owned

Assets acquired through, or in lieu of, loan foreclosure are held for sale and are initially recorded at fair value less costs to sell at the date of foreclosure. Subsequent to foreclosure, management periodically performs valuations of the foreclosed assets based on updated appraisals, general market conditions, recent sales of similar properties, length of time the properties have been held, and our ability and intention with regard to continued ownership of the properties. The Company may incur additional write-downs of foreclosed assets to fair value less costs to sell if valuations indicate a further deterioration in market conditions.

Deferred Tax Assets and Liabilities

The realization of deferred income tax assets is assessed and a valuation allowance is recorded if it is "more likely than not" that all or a portion of the deferred tax asset will not be realized.  "More likely than not" is defined as greater than a 50% chance. Management considers all available evidence, both positive and negative, to determine whether, based on the weight of that evidence, a valuation allowance is needed.

Other-than-temporary Impairment of Securities

Impairment of securities occurs when the fair value of a security is less than its amortized cost. For debt securities, impairment is considered other-than-temporary and recognized in its entirety in net income if either (1) the Company intends to sell the security or (2) it is more-likely-than-not that the Company will be required to sell the security before recovery of its amortized cost basis. If, however, the Company does not intend to sell the security and it is not more-likely-than-not that it will be required to sell the security before recovery, the Company must determine what portion of the impairment is attributable to a credit loss, which occurs when the amortized cost basis of the security exceeds the present value of the cash flows expected to be collected from the security. If there is no credit loss, there is no other-than-temporary impairment. If there is a credit loss, other-than-temporary impairment exists, and the credit loss must be recognized in net income and the remaining portion of impairment must be recognized in other comprehensive income.

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Unfunded Pension Liability

The Company previously maintained a non-contributory, defined benefit pension plan for eligible full-time employees as specified by the plan. The Company froze its pension plan to new participants and converted its pension plan to a cash balance plan effective December 31, 2009. Plan assets, which consist primarily of mutual funds invested in marketable equity securities and corporate and government fixed income securities, are valued using market quotations. The Company's actuary determines plan obligations and annual pension expense using a number of key assumptions. Key assumptions may include the discount rate, the interest crediting rate, the estimated future return on plan assets and the anticipated rate of future salary increases. Changes in these assumptions in the future, if any, or in the method under which benefits are calculated may impact pension assets, liabilities or expense.

Non-GAAP Presentations

Non-GAAP presentations are provided because the Company believes these may be valuable to investors. These include (1) the analysis of net interest income presented on a taxable equivalent basis to facilitate performance comparisons among various taxable and tax-exempt assets and (2) the calculation of the efficiency ratio.

Internet Access to Corporate Documents

The Company provides access to its Securities and Exchange Commission ("SEC") filings through a link on the Investor Relations page of the Company's web site at www.amnb.com.  Reports available include annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to those reports as soon as reasonably practicable after the reports are filed electronically with the SEC.  The information on the Company's website is not incorporated into this report or any other filing the Company makes with the SEC.  The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the SEC at www.sec.gov.

RESULTS OF OPERATIONS

Earnings Performance

Three months ended March 31, 2018 and 2017

For the quarter ended March 31, 2018, the Company reported net income of $5,812,000 compared to $4,063,000 for the comparable quarter in 2017. The $1,749,000 or 43.0% increase was driven primarily by higher net interest income, resulting mostly from greater interest income on the loan portfolio. Also positively impacting income was the recent reduction in the corporate income tax rate, to 21% from 35%. The Company's tax expense for the quarter was $195,000 or 12.2% less than the comparable quarter of 2017.

SUMMARY INCOME STATEMENT
(Dollars in thousands)
Three Months Ended March 31,	2018			2017			$ Change			% Change
Interest income	$	16,668		$	14,681		$	1,987		13.5	%
Interest expense	(2,125		)	(1,547		)	(578		)	37.4
Net interest income	14,543			13,134			1,409			10.7
Provision for loan losses	44			(300		)	344			(114.7	)
Noninterest income	3,333			3,271			62			1.9
Noninterest expense	(10,702		)	(10,441		)	(261		)	2.5
Income tax expense	(1,406		)	(1,601		)	195			(12.2	)
Net income	$	5,812		$	4,063		$	1,749		43.0

Net Interest Income

Net interest income is the difference between interest income on earning assets, primarily loans and securities, and interest expense on interest bearing liabilities, primarily deposits and other funding sources.  Fluctuations in interest rates as well as volume and mix changes in earning assets and interest bearing liabilities can materially impact net interest income.  The following discussion of net interest income is presented on a taxable equivalent basis to facilitate performance

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comparisons among various taxable and tax-exempt assets, such as certain state and municipal securities.  A tax rate of 21% was used in adjusting interest on tax-exempt assets to a fully taxable equivalent basis in 2018, and a tax rate of 35% was used in 2017.  Net interest income divided by average earning assets is referred to as the net interest margin. The net interest spread represents the difference between the weighted rate earned on average earning assets and the weighted rate paid on average interest-bearing liabilities.

Three months ended March 31, 2018 and 2017

Net interest income on a taxable equivalent basis increased $1,409,000 or 10.7%, for the first quarter of 2018 compared to the same quarter of 2017.  The increase was driven by higher yields and higher loan volume.

For the first quarter of 2018, the Company's yield on interest-earning assets was 3.97%, compared to 3.84% for the first quarter of 2017.  The cost of interest-bearing liabilities was 0.72% compared to 0.56%, primarily related to a 16 basis point (0.16%) increase in the cost of deposits. The interest rate spread was 3.25% compared to 3.28%. The net interest margin, on a fully taxable equivalent basis, was 3.46% compared to 3.44%, an increase of two basis points (0.02%). The increase in net interest margin was driven by larger volumes in earning assets, enhanced by a $29.0 million or 7.8% increase in average non-interest bearing deposits.

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The following presentation is an analysis of net interest income and related yields and rates, on a taxable equivalent basis, for the three months ended March 31, 2018 and 2017.  Nonaccrual loans are included in average balances. Interest income on nonaccrual loans, if recognized, is recorded on a cash basis or when the loan returns to accrual status.

	Net Interest Income Analysis (dollars in thousands)
	Three Months Ended March 31,
	Average Balance				Income/Expense				Yield/Rate
	2018		2017		2018		2017		2018		2017
Loans:
Commercial	$	258,552	$	219,922	$	2,444	$	2,054	3.83	%	3.79	%
Real estate	1,077,243		973,215		12,189		10,624		4.53		4.37
Consumer	4,300		4,837		76		91		7.17		7.63
Total loans	1,340,095		1,197,974		14,709		12,769		4.40		4.27
Securities:
Federal agencies and GSEs	103,199		96,965		517		442		2.00		1.82
Mortgage-backed and CMOs	108,826		78,054		600		413		2.21		2.21
State and municipal	86,336		131,397		634		1,152		2.94		3.51
Other securities	14,422		18,172		175		186		4.85		4.09
Total securities	312,783		324,588		1,926		2,193		2.46		2.70
Deposits in other banks	45,573		51,898		188		109		1.67		0.85
Total interest-earning assets	1,698,451		1,574,460		16,823		15,071		3.97		3.84
Non-earning assets	119,978		125,270
Total assets	$	1,818,429	$	1,699,730
Deposits:
Demand	$	232,383	$	215,930	11		11		0.02		0.02
Money market	410,171		305,639		783		241		0.77		0.32
Savings	130,708		124,250		9		9		0.03		0.03
Time	383,860		375,291		1,022		939		1.08		1.01
Total deposits	1,157,122		1,021,110		1,825		1,200		0.64		0.48
Customer repurchase agreements	12,247		45,106		1		1		0.03		0.01
Other short-term borrowings	2,183		11,833		9		27		1.65		0.91
Long-term borrowings	27,836		37,717		290		319		4.17		3.38
Total interest-bearing
liabilities	1,199,388		1,115,766		2,125		1,547		0.72		0.56
Noninterest bearing demand deposits	400,027		371,007
Other liabilities	9,581		9,498
Shareholders' equity	209,433		203,459
Total liabilities and
shareholders' equity	$	1,818,429	$	1,699,730
Interest rate spread									3.25	%	3.28	%
Net interest margin									3.46	%	3.44	%
Net interest income (taxable equivalent basis)					14,698		13,524
Less: Taxable equivalent adjustment (1)					155		390
Net interest income					$	14,543	$	13,134

(1) - Calculated using 21% and 35% statutory tax rate in 2018 and 2017, respectively, due to tax rate change.

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Changes in Net Interest Income (Rate/Volume Analysis)
(in thousands)
	Three Months Ended March 31,
	2018 vs. 2017
				Change
	Increase			Attributable to
Interest income	(Decrease)			Rate			Volume
Loans:
Commercial	$	390		$	25		$	365
Real estate	1,565			398			1,167
Consumer	(15		)	(5		)	(10		)
Total loans	1,940			418			1,522
Securities:
Federal agencies and GSEs	75			45			30
Mortgage-backed and CMOs	187			18			169
State and municipal	(518		)	(166		)	(352		)
Other securities	(11		)	31			(42		)
Total securities	(267		)	(72		)	(195		)
Deposits in other banks	79			94			(15		)
Total interest income	1,752			440			1,312
Interest expense
Deposits:
Demand	—			(1		)	1
Money market	542			437			105
Savings	—			—			—
Time	83			61			22
Total deposits	625			497			128
Customer repurchase agreements	—			1			(1		)
Other short-term borrowings	(18		)	13			(31		)
Long-term borrowings	(29		)	65			(94		)
Total interest expense	578			576			2
Net interest income (taxable equivalent basis)	$	1,174		$	(136	)	$	1,310

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Noninterest Income, three months ended March 31, 2018 and 2017

For the quarter ended March 31, 2018, noninterest income increased $62,000 or 1.9% compared to the comparable 2017 quarter. Details of individual accounts are shown in the table below.

	Three Months Ended March 31,
	(Dollars in thousands)
	2018		2017		$ Change			% Change
Noninterest income:
Trust fees	$	929	$	912	$	17		1.9	%
Service charges on deposit accounts	551		523		28			5.4
Other fees and commissions	703		673		30			4.5
Mortgage banking income	450		529		(79		)	(14.9	)
Securities gains, net	121		259		(138		)	(53.3	)
Brokerage fees	222		192		30			15.6
Income from SBICs	155		26		129			496.2
Other	202		157		45			28.7
Total noninterest income	$	3,333	$	3,271	$	62		1.9

Mortgage banking income decreased $79,000 in the 2018 quarter compared to the 2017 quarter. Net securities gains decreased $138,000 in the 2018 quarter compared to the same quarter in 2017. Gains in the 2018 quarter were almost entirely related to changes in the market value of equity securities held by the Company, recorded in conformity with new accounting requirements. Income from SBICs reflected a $129,000 increase compared to the 2017 quarter; this category of income is highly unpredictable.

Noninterest Expense, three months ended March 31, 2018 and 2017

For the three months ended March 31, 2018, noninterest expense increased $261,000 or 2.5%. Details of individual accounts are shown in the table below.

	Three Months Ended March 31,
	(Dollars in thousands)
	2018		2017		$ Change			% Change
Noninterest Expense
Salaries	$	4,997	$	4,799	$	198		4.1	%
Employee benefits	1,175		1,120		55			4.9
Occupancy and equipment	1,128		1,068		60			5.6
FDIC assessment	146		129		17			13.2
Bank franchise tax	281		256		25			9.8
Core deposit intangible amortization	77		165		(88		)	(53.3	)
Data processing	422		487		(65		)	(13.3	)
Software	305		279		26			9.3
Other real estate owned, net	30		43		(13		)	(30.2	)
Other	2,141		2,095		46			2.2
Total noninterest expense	$	10,702	$	10,441	$	261		2.5

Salaries expense increased $198,000 in the 2018 quarter as compared to the 2017 quarter primarily as a result of normal annual salary adjustments. Full-time equivalent employees at the end of the 2018 quarter were 326, unchanged from the first quarter of 2017. Core deposit intangible amortization decreased in the 2018 quarter compared to 2017 as the amortization expense relating to the Company's acquisition of MidCarolina Financial Corporation ("MidCarolina") in July 2011 was treated under the accelerated method and will be fully amortized in 2020.

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Non-GAAP Financial Measures

The efficiency ratio is calculated by dividing noninterest expense excluding gains or losses on the sale of OREO by net interest income including tax equivalent income on nontaxable loans and securities and noninterest income and excluding (1) gains or losses on securities and (2) gains or losses on sale of premises and equipment. The efficiency ratio for the 2018 quarter was 59.79% compared to 62.97% for the 2017 quarter. The Company expects improvement in this ratio in coming quarters. This is a non-GAAP financial measure that the Company believes provides investors with important information regarding operational efficiency. Such information is not prepared in accordance with GAAP and should not be construed as such. Management believes, however, such financial information is meaningful to the reader in understanding operating performance, but cautions that such information not be viewed as a substitute for GAAP. The Company, in referring to its net income, is referring to income under GAAP. The components of the efficiency ratio calculation are summarized in the following table (dollars in thousands):

	Three Months Ended March 31,
	2018			2017
Efficiency Ratio
Noninterest expense	$	10,702		$	10,441
Add loss/subtract gain on sale OREO	5			(28		)
	$	10,707		$	10,413
Net interest income	$	14,543		$	13,134
Tax equivalent adjustment	155			390
Noninterest income	3,333			3,271
Subtract gain on securities	(121		)	(259		)
Add loss/subtract gain on sale of fixed assets	(3		)	—
	$	17,907		$	16,536
Efficiency ratio	59.79		%	62.97		%

Net interest margin is calculated by dividing tax equivalent net interest income by total average earning assets. Because a portion of interest income earned by the Company is nontaxable, the tax equivalent net interest income is considered in the calculation of this ratio. Tax equivalent net interest income is calculated by adding the tax benefit realized from interest income that is nontaxable to total interest income then subtracting total interest expense. The tax rate utilized in calculating the tax benefit is 21% for the 2018 quarter and 35% for the 2017 quarter. The reconciliation of tax equivalent net interest income, which is not a measurement under GAAP, to net interest income, is reflected in the table below (in thousands):

	Three Months Ended March 31,
	2018			2017
Reconciliation of Net Interest Income to Tax-Equivalent Net Interest Income
Non-GAAP measures:
Interest income - loans	$	14,709		$	12,769
Interest income - investments and other	2,114			2,302
Interest expense - deposits	(1,825		)	(1,200		)
Interest expense - customer repurchase agreements	(1		)	(1		)
Interest expense - other short-term borrowings	(9		)	(27		)
Interest expense - long-term borrowings	(290		)	(319		)
Total net interest income	$	14,698		$	13,524
Less non-GAAP measures:
Tax benefit realized on non-taxable interest income - loans	$	(52	)	$	(65	)
Tax benefit realized on non-taxable interest income - municipal securities	(103		)	(325		)
GAAP measures	$	14,543		$	13,134

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Income Taxes

The effective tax rate for the first quarter of 2018 was 19.48% compared to 28.27% for the first quarter of 2017. The primary reason for the decrease in the effective rate is a result of the Tax Reform Act on December 22, 2017 which lowered the statutory rate from 35% to 21%. The effective tax rate is lower than the statutory rates rates each year as a result of income that is not taxable for federal income tax purposes in both years.

Fair Value Impact to Net Income

The following table presents the impact for the three month period ended March 31, 2018 of the accretable and amortizable fair value adjustments attributable to the July 2011 acquisition of MidCarolina and the January 2015 acquisition of MainStreet BankShares, Inc. ("MainStreet") on net interest income and pretax income (dollars in thousands):

					March 31, 2018
	Income Statement Effect	Premium (Discount) Balance on December 31, 2017			Accretion (Amortization)Three Months Ended			Remaining Premium (Discount) Balance
Interest income/(expense):
Acquired performing loans	Income	$	(1,281	)	$	104		$	(1,177	)
Purchase impaired loans	Income	(4,168		)	348			(3,820		)
Junior subordinated debt	Expense	1,557			(25		)	1,532
Net interest income					427
Noninterest (expense):
Amortization of core deposit intangible	Expense	$	1,191		(77		)	$	1,114
Change in pretax income					$	350

During the first quarter of 2018, the Company received $255,000 in cash basis accretion income related to the early payoff of several acquired loans, compared to $78,000 for the comparable quarter of 2017.

The following table presents the impact for the three month period ended March 31, 2017 of the accretable and amortizable fair value adjustments attributable to the two acquisitions mentioned above on net interest income and pretax income (dollars in thousands):

					March 31, 2017
	Income Statement Effect	Premium (Discount) Balance on December 31, 2016			Accretion (Amortization)Three Months Ended			Remaining Premium (Discount) Balance
Interest income/(expense):
Acquired performing loans	Income	$	(1,976	)	$	195		$	(1,781	)
Purchase impaired loans	Income	(5,709		)	269			(5,440		)
FHLB Advances	Expense	20			(5		)	15
Junior subordinated debt	Expense	1,659			(25		)	1,634
Net interest income					434
Noninterest (expense):
Amortization of core deposit intangible	Expense	$	1,719		(165		)	$	1,554
Change in pretax income					$	269

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Generally accepted accounting principles for business combinations require the acquired balance sheet to be valued at fair value at the time of the merger. In the context of acquiring a commercial bank, most of the balance sheet is interest rate sensitive and this can generate significant discounts or premiums to contractual values.  These discounts or premiums will have a potentially significant impact to net interest income and to net income.

The table below summarizes the impact of the fair value acquisition related accounting adjustments on net interest income and total pretax income of the MidCarolina ("MC" for the table below only) and MainStreet ("MS" for the table below only) acquisitions for the three month periods indicated (dollars in thousands):

Three Months Ended March 31,	2018									2017
	MC			MS			Total			MC			MS			Total
Net interest income	$	122		$	305		$	427		$	202		$	232		$	434
Core deposit amortization	(28		)	(49		)	(77		)	(113		)	(52		)	(165		)
Total pretax income	$	94		$	256		$	350		$	89		$	180		$	269

The MidCarolina acquisition was effective July 1, 2011 and the MainStreet acquisition was effective January 1, 2015. Management expects that the acquisition accounting financial impact of these acquisitions will continue to decline in future quarters.

Impact of Inflation and Changing Prices

The majority of assets and liabilities of a financial institution are monetary in nature and therefore differ greatly from most commercial and industrial companies that have significant investments in fixed assets or inventories.  The most significant effect of inflation is on noninterest expense, which tends to rise during periods of inflation.  Changes in interest rates have a greater impact on a financial institution's profitability than do the effects of higher costs for goods and services.  Through its balance sheet management practices, the Company has the ability to react to those changes and measure and monitor its interest rate and liquidity risk.  During the reported periods, inflation has been low, and interest rates have been rising slightly.

CHANGES IN FINANCIAL POSITION

BALANCE SHEET ANALYSIS

Securities

The securities portfolio generates income, plays a major role in the management of interest rate sensitivity, provides a source of liquidity, and is used to meet collateral requirements. The securities portfolio consists primarily of high credit quality investments, mostly federal agency, mortgage-backed, and state and municipal securities.

The available for sale securities portfolio was $310,348,000 at March 31, 2018, compared to $321,337,000 at December 31, 2017, a decrease of $10,989,000 or 3.42%. The decrease includes $2,206,000 of equity securities classified as available for sale prior to the adoption of ASU 2016-01 which were reclassified on January 1, 2018 to fair value on the balance sheet. Also, as a result, the Company reclassified $650,000 of the unrealized holding gains on these equity securities from other comprehensive income to retained earnings. Accordingly, the Company recognized $113,000 in unrealized gains on these equity securities for the quarter ended March 31, 2018. At March 31, 2018, the available for sale portfolio had an amortized cost of $315,922,000 resulting in a net unrealized loss of $5,574,000.  At December 31, 2017, the available for sale portfolio had an amortized cost of $322,345,000, resulting in a net unrealized loss of $1,008,000.

The Company is cognizant of the continuing historically low, but increasing interest rate environment and has elected to maintain a defensive asset liability strategy of purchasing high quality taxable securities of relatively short duration.

The Company experienced significant growth rates for earning assets in calendar year 2017 and somewhat less growth on deposits. Consequently, management has elected to selectively reduce portions of its securities portfolio in an effort to mitigate actual and anticipated liquidity challenges. During the three months ended March 31, 2018, the Company sold $22,025,000 in par value bonds and realized a net gain of $8,000. This compares to the three months ended March 31, 2017, when the Company sold $40,690,000 in par value bonds and realized a net gain of $259,000. Late first quarter 2018 reduction in loans outstanding mitigated short-term liquidity concerns.

The Company manages its investment portfolio on an aggregate portfolio basis for purposes of monitoring and controlling average life and duration. Accordingly, some individual purchases may fall outside these overall guidelines. The Company

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will continue to purchase high quality, relatively low optionality bonds to the maximum extent practical and prudent, consistent with its liquidity and asset liability strategies, and regulatory requirements.

Loans

The loan portfolio consists primarily of commercial and residential real estate loans, commercial loans to small and medium-sized businesses, construction and land development loans, and home equity loans.

Total loans were $1,321,221,000 at March 31, 2018, compared to $1,336,125,000 at December 31, 2017, a decrease of $14,904,000 or 1.12%. The decrease is the result of several large payoffs of multi-family construction loans that moved into the permanent, non-recourse market. These payoffs were anticipated by management.

Total average loans for the first quarter of 2018 were $1,340,095,000 compared to $1,197,974,000 for the first quarter of 2017, an increase of $142,121,000 or 11.9%.

Loans held for sale totaled $1,792,000 at March 31, 2018 and $1,639,000 at December 31, 2017. Loan production volume was $17,650,000 for the three month period ended March 31, 2018 and $18,124,000 for the same period of 2017. These loans were approximately 60% purchase and 40% refinancing.

Management of the loan portfolio is organized around portfolio segments. Each segment is comprised of various loan types that are reflective of operational and regulatory reporting requirements. The following table presents the Company's loan portfolio by segment as of March 31, 2018 and December 31, 2017 (dollars in thousands):

	March 31, 2018		December 31, 2017
Commercial	$	284,257	$	251,666
Commercial real estate:
Construction and land development	93,031		123,147
Commercial real estate	624,164		637,701
Residential real estate:
Residential	207,256		209,326
Home equity	108,024		109,857
Consumer	4,489		4,428
Total loans	$	1,321,221	$	1,336,125

Provision for Loan Losses

The Company had a negative provision for loan losses of $44,000 for the three month period ended March 31, 2018, compared to a provision of $300,000 for the same period ended March 31, 2017. The negative provision related to a favorable adjustment on an impaired loan loss allowance. The need for any additional provision in the three month period ended March 31, 2018 was mitigated by the decrease in net loans outstanding and continued strong asset quality metrics.

Allowance for Loan Losses

The purpose of the ALLL is to provide for probable losses inherent in the loan portfolio. The allowance is increased by the provision for loan losses and by recoveries of previously charged-off loans. Loan charge-offs decrease the allowance.

At March 31, 2018, the ALLL was $13,575,000 compared to $13,603,000 at December 31, 2017. The ALLL as a percentage of total loans at such dates was 1.03% and 1.02%, respectively. 

As part of the Company's methodology to evaluate the adequacy of its ALLL, the Company computes its ASC 450 loan balance by reducing total loans by acquired loans and loans that were evaluated for impairment individually or smaller balance nonaccrual loans evaluated for impairment in homogeneous pools. The FASB ASC 450 loan loss reserve balance is the total ALLL reduced by allowances associated with these other pools of loans.

The general allowance, ASC 450 (FAS 5) reserves to FASB ASC 450 loans, was 1.05% at March 31, 2018, compared to 1.04% at December 31, 2017. On a dollar basis, the reserve was $13,175,000 at March 31, 2018, compared to $13,151,000 at December 31, 2017. The percentage of the reserve to total loans was basically unchanged due to the decrease in loan volume, improving local and national economic conditions, and continued strong asset quality metrics. This segment of the allowance represents by far the largest portion of the loan portfolio and the largest aggregate risk.

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The specific allowance, ASC 310-40 (FAS 114) reserves to FASB ASC 310-40 loans, was 6.51% at March 31, 2018, compared to 5.18% at December 31, 2017. On a dollar basis, the reserve was $160,000 at March 31, 2018, compared to $167,000 at December 31, 2017. There is ongoing turnover in the composition of the impaired loan population, which decreased by a net $755,000 over December 31, 2017. The overall impairment allowance for the 2017 quarterly period significantly increased due to newly evaluated impaired loans and an enhanced analysis methodology.

The specific allowance does not include reserves related to acquired loans with deteriorated credit quality. This reserve was $240,000 at March 31, 2018 compared to $285,000 at December 31, 2017. This is the only portion of the reserve related to acquired impaired loans. Cash flow expectations for these loans are reviewed on a quarterly basis and unfavorable changes in those estimates relative to the initial estimates can result in the need for additional loan loss provision. The following table presents the Company's loan loss and recovery experience for the periods indicated (dollars in thousands):

Summary of Loan Loss Experience
	Three Months Ended March 31, 2018			Year Ended December 31, 2017
Balance at beginning of period	$	13,603		$	12,801
Charge-offs:
Construction and land development	—			35
Commercial real estate	11			58
Residential real estate	—			159
Home equity	—			13
Total real estate	11			265
Commercial and industrial	—			282
Consumer	33			143
Total charge-offs	44			690
Recoveries:
Construction and land development	—			43
Commercial real estate	1			17
Residential real estate	16			45
Home equity	4			40
Total real estate	21			145
Commercial and industrial	10			223
Consumer	29			108
Total recoveries	60			476
Net charge-offs (recoveries)	(16		)	214
Provision for loan losses	(44		)	1,016
Balance at end of period	$	13,575		$	13,603

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Asset Quality Indicators

The following table provides qualitative indicators relevant to the Company's loan portfolio for the three month period and year indicated below.

Asset Quality Ratios
	March 31, 2018		December 31, 2017
Allowance to loans	1.03	%	1.02	%
ASC 450 (FAS 5) ALLL	1.05		1.04
Net charge-offs (recoveries) to allowance (1)	(0.47	)	1.57
Net charge-offs (recoveries) to average loans (1)	0.00		0.02
Nonperforming assets to total assets	0.20		0.21
Nonperforming loans to loans	0.14		0.19
Provision to net charge-offs (recoveries) (1)	275.00		474.77
Provision to average loans (1)	(0.01	)	0.08
Allowance to nonperforming loans	725.55		531.37

(1) - Annualized.

Nonperforming Assets (Loans and Other Real Estate Owned)

Nonperforming loans include loans on which interest is no longer accrued and accruing loans that are contractually past due 90 days or more. Nonperforming loans include loans originated and loans acquired.

Nonperforming loans to total loans were 0.14% at March 31, 2018 and 0.19% at December 31, 2017.

Nonperforming assets include nonperforming loans and OREO.  Nonperforming assets represented 0.20% and 0.21% of total assets at March 31, 2018 and December 31, 2017, respectively. 

In most cases, it is the policy of the Company that any loan that becomes 90 days past due will automatically be placed on nonaccrual loan status, accrued interest reversed out of income, and further interest accrual ceased. Any payments received on such loans will be credited to principal. In some cases a loan in process of renewal may become 90 days past due. In these instances the loan may still be accruing because of a delayed renewal process in which the customer has not been billed. In accounting for acquired impaired loans, such loans are not classified as nonaccrual when they become 90 days past due. They are considered to be accruing because their interest income relates to the accretable yield and not to contractual interest payments.

Loans will only be restored to full accrual status after six consecutive months of payments that were each less than 30 days delinquent. The Company strictly adheres with this policy before restoring a loan to normal accrual status.

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The following table presents the Company's nonperforming assets as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Nonperforming Assets
	March 31, 2018		December 31, 2017
Nonaccrual loans:
Real estate	$	1,496	$	2,111
Commercial	102		90
Consumer	—		—
Total nonaccrual loans	1,598		2,201
Loans past due 90 days and accruing interest:
Real estate	273		359
Total past due 90 days and accruing interest	273		359
Total nonperforming loans	1,871		2,560
Other real estate owned	1,716		1,225
Total nonperforming assets	$	3,587	$	3,785

Impaired Loans

A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. The following table shows loans that were considered impaired, exclusive of acquired impaired loans, as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Impaired Loans
	March 31, 2018		December 31, 2017
Accruing	$	864	$	1,016
Nonaccruing	1,598		2,201
Total impaired loans	$	2,462	$	3,217

Troubled Debt Restructurings ("TDRs")

TDRs exist whenever the Company makes a concession to a customer based on the customer's financial distress that would not have otherwise been made in the normal course of business.

There were $1,185,000 in TDRs at March 31, 2018 compared to $1,306,000 at December 31, 2017. These loans are included in the impaired loan table above.

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Other Real Estate Owned

Other real estate owned was $1,716,000 and $1,225,000 as of March 31, 2018 and December 31, 2017, respectively. OREO is initially recorded at fair value, less estimated costs to sell, at the date of foreclosure. Loan losses resulting from foreclosure are charged against the ALLL at that time. Subsequent to foreclosure, valuations are periodically performed by management and the assets are carried at the lower of the new cost basis or fair value, less estimated costs to sell with any additional write-downs charged against earnings.  For significant assets, these valuations are typically outside annual appraisals. The following table shows the Company's OREO as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Other Real Estate Owned
	March 31, 2018		December 31, 2017
Construction and land development	$	287	$	318
1-4 family residential	1,150		629
Commercial real estate	279		278
	$	1,716	$	1,225

Deposits

The Company's deposits consist primarily of checking, money market, savings, and consumer and commercial time deposits.  Total deposits were $1,559,251,000 at March 31, 2018 compared to $1,534,726,000 at December 31, 2017, an increase of $24,525,000 or 1.60%. This growth is mostly in non-maturity, core deposits, the heart of our balance sheet.

The Company's primary focus on the liability side of the balance sheet is growing core deposits and their affiliated relationships. The increasing challenge in this rising rate environment is to fund the Bank in a cost effective and competitive manner. The Company's cost of deposits for the first quarter of 2018 was 0.64%, up from 0.48% for the first quarter of 2017.

Shareholders' Equity

The Company's capital management strategy is to be classified as "well capitalized" under regulatory capital ratios and provide as high as possible total return to shareholders.

Shareholders' equity was $209,840,000 at March 31, 2018 compared to $208,717,000 at December 31, 2017, an increase of $1,123,000 or 0.54%. 

The Company paid cash dividends of $0.25 per share during the first three months of 2018 while the aggregate basic and diluted earnings per share for the same period was $0.67.

In July 2013, the Board of Governors of the Federal Reserve System and the Office of the Comptroller of the Currency issued final rules that make technical changes to its capital rules to align them with the Basel III regulatory capital framework and meet certain requirements of the Dodd-Frank Act. The final rules maintain the general structure of the prompt corrective action framework in effect at such time while incorporating certain increased minimum requirements.  Effective January 1, 2015, the final rules require the Company and the Bank to comply with the following minimum capital ratios: (i) a new common equity Tier 1 capital ratio of 4.5% of risk-weighted assets; (ii) a Tier 1 capital ratio of 6.0% of risk-weighted assets (increased from the prior requirement of 4.0%); (iii) a total capital ratio of 8.0% of risk-weighted assets (unchanged from the prior requirement); and (iv) a leverage ratio of 4.0% of total assets (unchanged from the prior requirement). These are the initial capital requirements, which will be phased-in over a four-year period. When fully phased-in on January 1, 2019, the rules will require the Company and the Bank to maintain such minimum ratios plus a 2.5% "capital conservation buffer" (other than for the leverage ratio). The phase-in of the capital conservation buffer began on January 1, 2016, at 0.625% of risk-weighted assets, increasing by the same amount each year until fully implemented at 2.5% on January 1, 2019. Management believes the Company and the Bank will be compliant with the fully phased-in requirements when they become effective January 1, 2019.

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The following table provides information on the regulatory capital ratios for the Company and the Bank at March 31, 2018 and December 31, 2017. Management believes, as of March 31, 2018, that the Company and the Bank more than satisfy all capital adequacy requirements to which they are subject.

	Percentage At March 31, 2018				Percentage At December 31, 2017
Risk-Based Capital Ratios:	Company		Bank		Company		Bank
Common equity tier 1 capital ratio	12.10	%	13.37	%	11.50	%	12.79	%
Tier 1 capital ratio	14.06		13.37		13.42		12.79
Total capital ratio	15.04		14.35		14.39		13.75
Leverage Capital Ratio:
Tier 1 leverage ratio	11.19		10.63		10.95		10.43

Stock Repurchase Plan

On November 19, 2015, the Company filed a Form 8-K with the SEC to announce the approval by its Board of Directors of a stock repurchase program. The plan authorized the repurchase of up to 300,000 shares of the Company's common shares over a two year period. The share purchase limit was established at such number to equal to approximately 3.5% of the 8,622,000 shares then outstanding at the time the Board approved the program. The program expired on November 19, 2017.

On January 19, 2018, the Company filed a Form 8-K with the SEC to announce the approval by its Board of another stock repurchase program. The program authorizes the repurchase of up to 300,000 shares of the Company's common stock over a two year period.

In the three month periods ended March 31, 2018 and 2017, the Company did not repurchase any shares.

Liquidity

Liquidity is the ability of the Company to convert assets into cash or cash equivalents without significant loss and to raise additional funds by increasing liabilities in a timely manner.  Liquidity management involves maintaining the Company's ability to meet the daily cash flow requirements of its customers, whether they are borrowers requiring funds or depositors desiring to withdraw funds.  Additionally, the Company requires cash for various operating needs including dividends to shareholders, the servicing of debt, and the payment of general corporate expenses.  The Company manages its exposure to fluctuations in interest rates through policies approved by the Asset Liability Committee ("ALCO") and Board of Directors, both of which receive periodic reports of the Company's interest rate risk and liquidity position.  The Company uses a computer simulation model to assist in the management of the future liquidity needs of the Company. 

Liquidity sources include on balance sheet and off balance sheet sources.

Balance sheet liquidity sources include cash, amounts due from banks, loan repayments, and increases in deposits. The Company also maintains a large, high quality, very liquid bond portfolio, which is generally 50% to 60% unpledged and would, accordingly, be available for sale if necessary.     

Off balance sheet sources include lines of credit from the Federal Home Loan Bank of Atlanta ("FHLB"), federal funds lines of credit, and access to the Federal Reserve Bank of Richmond's discount window. 

The Company has a line of credit with the FHLB, equal to 30% of the Bank's assets, subject to the amount of collateral pledged.  Under the terms of its collateral agreement with the FHLB, the Company provides a blanket lien covering all of its residential first mortgage loans, second mortgage loans, home equity lines of credit, and commercial real estate loans.  In addition, the Company pledges as collateral its capital stock in and deposits with the FHLB.  The Company had $190,250,000 outstanding in letters of credit at March 31, 2018 and $190,700,000 outstanding at December 31, 2017. The letters of credit provide the Bank with alternate collateral for securing public entity deposits above FDIC insurance levels, thereby providing less need for collateral pledging from the securities portfolio, and thereby maximizing on balance sheet liquidity.

Short-term borrowings are discussed in Note 6 and long-term borrowings are discussed in Note 7 in the Consolidated Financial Statements included in this report.

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The Company has federal funds lines of credit established with two correspondent banks in the amounts of $15,000,000 each, and has access to the Federal Reserve Bank's discount window. 

The Company has a relationship with Promontory Network, the sponsoring entity for the Certificate of Deposit Account Registry Service® ("CDARS"). Through CDARS, the Company is able to provide deposit customers with access to aggregate FDIC insurance in amounts exceeding $250,000.  This gives the Company the ability, as and when needed, to attract and retain large deposits from insurance conscious customers.  CDARS are classified as brokered deposits; however, they are generally derived from customers with whom the Company has or wishes to have a direct and ongoing relationship.  As a result, management considers these deposits functionally, though not technically, core deposits. With CDARS, the Company has the option to keep deposits on balance sheet or sell them to other members of the network.  Additionally, subject to certain limits, the Bank can use CDARS to purchase cost-effective funding without collateralization and in lieu of generating funds through traditional brokered CDs or the FHLB.  In this manner, CDARS can provide the Company with another funding option. Thus, CDARS serves as a deposit-gathering tool and an additional liquidity management tool.  Deposits through the CDARS program as of March 31, 2018 and December 31, 2017, were $27,116,000 and $25,838,000, respectively.

Management believes that these sources provide sufficient and timely liquidity, both on and off the balance sheet.

Off-Balance Sheet Activities

The Company enters into certain financial transactions in the ordinary course of performing traditional banking services that result in off-balance sheet transactions.  Other than subsidiaries to issue trust preferred securities, the Company does not have any off-balance sheet subsidiaries.  Off-balance sheet transactions at March 31, 2018 and at December 31, 2017 were as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Commitments to extend credit	$	350,075	$	341,760
Standby letters of credit	14,071		13,647
Mortgage loan rate-lock commitments	6,279		5,089

Commitments to extend credit to customers represent legally binding agreements with fixed expiration dates or other termination clauses.  Since many of the commitments are expected to expire without being funded, the total commitment amounts do not necessarily represent future funding requirements.  Standby letters of credit are conditional commitments issued by the Company guaranteeing the performance of a customer to a third party.  Those guarantees are primarily issued to support public and private borrowing arrangements.

ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market Risk Management

Effectively managing market risk is essential to achieving the Company's financial objectives.  Market risk reflects the risk of economic loss resulting from changes in interest rates and market prices.  The Company is generally not subject to currency exchange risk or commodity price risk.  The Company's primary market risk exposure is interest rate risk; however, market risk also includes liquidity risk.  Both are discussed in the following sections.

Interest Rate Risk Management

Interest rate risk and its impact on net interest income is a primary market risk exposure.  The Company manages its exposure to fluctuations in interest rates through policies approved by the ALCO and Board of Directors, both of which receive and review periodic reports of the Company's interest rate risk position.

The Company uses computer simulation analysis to measure the sensitivity of projected earnings to changes in interest rates.  Simulation takes into account current balance sheet volumes and the scheduled repricing dates instrument level optionality, and maturities of assets and liabilities.  It incorporates numerous assumptions including growth, changes in the mix of assets and liabilities, prepayments, and average rates earned and paid.  Based on this information, management uses the model to project net interest income under multiple interest rate scenarios.

A balance sheet is considered asset sensitive when its earning assets (loans and securities) reprice faster or to a greater extent than its liabilities (deposits and borrowings).  An asset sensitive balance sheet will produce relatively more net interest income when interest rates rise and less net interest income when they decline.  Based on the Company's simulation analysis, management believes the Company's interest sensitivity position at March 31, 2018 is asset sensitive. Management expects that the general direction of market interest rates will be gradually up over the remainder of 2018.

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Earnings Simulation

The following table shows the estimated impact of changes in interest rates on net interest income as of March 31, 2018 (dollars in thousands), assuming gradual and parallel changes in interest rates, and consistent levels of assets and liabilities.   Net interest income for the following twelve months is projected to increase when interest rates are higher than current rates.

Estimated Changes in Net Interest Income
	March 31, 2018
	Change in Net Interest Income
Change in interest rates	Amount			Percent
Up 4.00%	$	8,489		14.5	%
Up 3.00%	6,538			11.2
Up 2.00%	4,587			7.9
Up 1.00%	2,395			4.1
Flat	—			—
Down 0.25%	(604		)	(1.0	)
Down 1.00%	(3,433		)	(5.9	)

Management cannot predict future interest rates or their exact effect on net interest income.  Computations of future effects of hypothetical interest rate changes are based on numerous assumptions and should not be relied upon as indicative of actual results.  Certain limitations are inherent in such computations.  Assets and liabilities may react differently than projected to changes in market interest rates.  The interest rates on certain types of assets and liabilities may fluctuate in advance of changes in market interest rates, while rates on other types of assets and liabilities may lag changes in market interest rates.  Interest rate shifts may not be parallel.

Changes in interest rates can cause substantial changes in the amount of prepayments of loans and mortgage-backed securities, which may in turn affect the Company's interest rate sensitivity position.  Additionally, credit risk may rise if an interest rate increase adversely affects the ability of borrowers to service their debt.

Economic Value Simulation

Economic value simulation is used to calculate the estimated fair value of assets and liabilities over different interest rate environments. Economic values are calculated based on discounted cash flow analysis. The net economic value of equity is the economic value of all assets minus the economic value of all liabilities. The change in net economic value over different rate environments is an indication of the longer-term earnings capability of the balance sheet. The same assumptions are used in the economic value simulation as in the earnings simulation. The economic value simulation uses instantaneous rate shocks to the balance sheet.

The following table reflects the estimated change in net economic value over different rate environments using economic value simulation for the balances at the quarterly period ended March 31, 2018 (dollars in thousands):

Estimated Changes in Economic Value of Equity
	March 31, 2018
Change in interest rates	Amount		$ Change			% Change
Up 4.00%	$	333,256	$	46,994		16.4	%
Up 3.00%	330,624		44,362			15.5
Up 2.00%	324,252		37,990			13.3
Up 1.00%	311,271		25,009			8.7
Flat	286,262		—			—
Down 0.25%	275,644		(10,618		)	(3.7	)
Down 1.00%	241,722		(44,540		)	(15.6	)

Due to the current low interest rate environment, no measurement was considered necessary for a further decline in interest rates. There have been no material changes to market risk as disclosed in the Company's Annual Report on Form 10-K for the year ended December 31, 2017.  Refer to those disclosures for further information.

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ITEM 4.  CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

The Company's management, including the Chief Executive Officer and Chief Financial Officer, evaluated the Company's disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), as of March 31, 2018.  Based on this evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the Company's disclosure controls and procedures are effective to ensure that the information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms.  There were no significant changes in the Company's internal controls over financial reporting that occurred during the quarter ended March 31, 2018, that have materially affected or are reasonably likely to materially affect the Company's internal control over financial reporting.

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PART II.OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

The nature of the business of the Company ordinarily results in a certain amount of litigation. The Company is involved in various legal proceedings, all of which are considered incidental to the normal conduct of business. Management believes that these proceedings will not have a material adverse effect on the consolidated financial position or consolidated results of operations of the Company.

ITEM 1A.  RISK FACTORS

There have been no material changes to the risk factors disclosed in the Company's Annual Report on Form 10-K for the year ended December 31, 2017 filed with the SEC on March 9, 2018.

ITEM 2.  UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On January 16, 2018, the Company's Board of Directors authorized a share repurchase program of up to 300,000 shares of the Company's outstanding common stock for a period of two years.  Repurchases may be made through open market purchases or in privately negotiated transactions, and shares repurchased will be returned to the status of authorized and unissued shares of common stock.  The actual timing, number, and value of shares repurchased under the program will be determined by management.

No shares of the Company's common stock were repurchased during the three months ended March 31, 2018. Under the share repurchase program, the Company has the remaining authority to repurchase up to 300,000 shares of the Company's common stock as of March 31, 2018.

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES

None

ITEM 4.  MINE SAFETY DISCLOSURES

Not applicable

ITEM 5.  OTHER INFORMATION

(a)  Required 8-K disclosures

None

(b)  Changes in Nominating Process

None

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ITEM 6.  EXHIBITS

11.0        Refer to EPS calculation in the Notes to Financial Statements

31.1        Section 302 Certification of Jeffrey V. Haley, President and Chief Executive Officer

31.2        Section 302 Certification of William W. Traynham, Executive Vice President and Chief Financial Officer

32.1        Section 906 Certification of Jeffrey V. Haley, President and Chief Executive Officer

32.2        Section 906 Certification of William W. Traynham, Executive Vice President and Chief Financial Officer

101 Interactive data files pursuant to Rule 405 of Regulation S-T: (i) the Consolidated Balance Sheets as of March 31, 2018 and December 31, 2017, (ii) the Consolidated Statements of Income for the three months ended March 31, 2018 and March 31, 2017, (iii) the Consolidated Statements of Comprehensive Income for the three months ended March 31, 2018 and March 31, 2017, (iv) the Consolidated Statements of Changes in Shareholders' Equity for the three months ended March 31, 2018 and March 31, 2017, (v) the Consolidated Statements of Cash Flows for the three months ended March 31, 2018 and March 31, 2017, and (vi) the Notes to the Consolidated Financial Statements (furnished herewith).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

AMERICAN NATIONAL BANKSHARES INC.

	By:	/s/ Jeffrey V. Haley
		Jeffrey V. Haley
		President and Chief Executive Officer
Date - May 4, 2018		(principal executive officer)
	By:	/s/ William W. Traynham
		William W. Traynham
		Executive Vice President and
		Chief Financial Officer
Date - May 4, 2018		(principal financial officer)
	By:	/s/ Cathy W. Liles
		Cathy W. Liles
		Senior Vice President and
		Chief Accounting Officer
Date - May 4, 2018		(principal accounting officer)

55

EX-31.1

Exhibit 31.1 CERTIFICATIONS

I, Jeffrey V. Haley, certify that:

1. I have reviewed this quarterly report on Form 10-Q of American National Bankshares Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 4, 2018

/s/ Jeffrey V. Haley

Jeffrey V. Haley,

President and Chief Executive Officer

EX-31.2

Exhibit 31.2 CERTIFICATIONS

I, William W. Traynham, certify that:

1. I have reviewed this quarterly report on Form 10-Q of American National Bankshares Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: May 4, 2018

/s/ William W. Traynham

William W. Traynham,

Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of American National Bankshares Inc. (the "Company") for the period ended March 31, 2018, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Jeffrey V. Haley, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Jeffrey V. Haley

Jeffrey V. Haley

President and Chief Executive Officer

May 4, 2018

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of American National Bankshares Inc. (the "Company") for the period ended March 31, 2018, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, William W. Traynham, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ William W. Traynham

William W. Traynham

Executive Vice President and

Chief Financial Officer

May 4, 2018

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 30, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	AMERICAN NATIONAL BANKSHARES INC.
Entity Central Index Key	0000741516
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		8,687,738
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2018

XML

Consolidated Balance Sheets - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks		$ 18,772	$ 28,594	[1]
Interest-bearing deposits in other banks		57,881	23,883	[1]
Equity securities, at fair value		2,320	0	[1]
Securities available for sale, at fair value		310,348
Securities available for sale, at fair value	[1]		321,337
Restricted stock, at cost		5,221	6,110	[1]
Loans held for sale		1,792	1,639	[1]
Loans, net of unearned income		1,321,221	1,336,125	[1]
Less allowance for loan losses		(13,575)	(13,603)	[1]
Net loans		1,307,646	1,322,522	[1]
Premises and equipment, net		25,759	25,901	[1]
Other real estate owned, net of valuation allowance of $144 in 2018 and $147 in 2017		1,716	1,225	[1]
Goodwill		43,872	43,872	[1]
Core deposit intangibles, net		1,114	1,191	[1]
Bank owned life insurance		18,566	18,460	[1]
Accrued interest receivable and other assets		22,567	21,344	[1]
Total assets		1,817,574	1,816,078	[1]
Liabilities
Demand deposits -- noninterest bearing		400,225	394,344	[1]
Demand deposits -- interest bearing		233,973	226,914	[1]
Money market deposits		409,290	403,024	[1]
Savings deposits		134,171	126,786	[1]
Time deposits		381,592	383,658	[1]
Total deposits		1,559,251	1,534,726	[1]
Short-term borrowings:
Customer repurchase agreements		10,466	10,726	[1]
Other short-term borrowings		0	24,000	[1]
Junior subordinated debt		27,851	27,826	[1]
Accrued interest payable and other liabilities		10,166	10,083	[1]
Total liabilities		1,607,734	1,607,361	[1]
Shareholders' equity
Preferred stock, $5 par, 2,000,000 shares authorized, none outstanding		0	0	[1]
Common stock, $1 par, 20,000,000 shares authorized, 8,675,033 shares outstanding at March 31, 2018 and 8,650,547 shares outstanding at December 31, 2017		8,621	8,604	[1]
Capital in excess of par value		76,525	76,179	[1]
Retained earnings		131,299	127,010	[1]
Accumulated other comprehensive loss, net		(6,605)	(3,076)	[1]
Total shareholders' equity		209,840	208,717	[1]
Total liabilities and shareholders' equity		$ 1,817,574	$ 1,816,078	[1]

[1] Derived from audited consolidated financial statements.

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Valuation allowance	$ 144	$ 147
Preferred stock, par value (in dollars per share)	$ 5	$ 5
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares outstanding (in shares)	8,675,033	8,650,547

XML

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest and Dividend Income:
Interest and fees on loans	$ 14,657	$ 12,704
Interest and dividends on securities:
Taxable	1,324	1,154
Tax-exempt	419	635
Dividends	80	79
Other interest income	188	109
Total interest and dividend income	16,668	14,681
Interest Expense:
Interest on deposits	1,825	1,200
Interest on short-term borrowings	10	28
Interest on long-term borrowings	0	80
Interest on junior subordinated debt	290	239
Total interest expense	2,125	1,547
Net Interest Income	14,543	13,134
Provision for Loan Losses	(44)	300
Net Interest Income After Provision for Loan Losses	14,587	12,834
Noninterest Income:
Trust fees	929	912
Service charges on deposit accounts	551	523
Other fees and commissions	703	673
Mortgage banking income	450	529
Securities gains, net	121	259
Brokerage fees	222	192
Income from Small Business Investment Companies	155	26
Other	202	157
Total noninterest income	3,333	3,271
Noninterest Expense:
Salaries	4,997	4,799
Employee benefits	1,175	1,183
Occupancy and equipment	1,128	1,068
FDIC assessment	146	129
Bank franchise tax	281	256
Core deposit intangible amortization	77	165
Data processing	422	487
Software	305	279
Other real estate owned, net	30	43
Other	2,141	2,032
Total noninterest expense	10,702	10,441
Income Before Income Taxes	7,218	5,664
Income Taxes	1,406	1,601
Net Income	$ 5,812	$ 4,063
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.67	$ 0.47
Diluted (in dollars per share)	$ 0.67	$ 0.47
Average Common Shares Outstanding:
Basic (in shares)	8,669,728	8,633,219
Diluted (in shares)	8,687,351	8,651,139

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 5,812	$ 4,063
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale	(3,734)	1,011
Tax effect	861	(354)
Reclassification adjustment for gains on sales of securities	(8)	(259)
Tax effect	2	91
Other comprehensive income (loss)	(2,879)	489
Comprehensive income	$ 2,933	$ 4,552

XML

Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total		Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2016	$ 201,380		$ 8,578	$ 75,076	$ 119,600	$ (1,874)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,063				4,063
Other comprehensive income (loss)	489					489
Stock options exercised	73		3	70
Vesting of restricted stock			7	(7)
Equity based compensation	309		3	306
Cash dividends paid	(2,073)				(2,073)
Ending Balance at Mar. 31, 2017	204,241		8,591	75,445	121,590	(1,385)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification for ASU 2016-01 adoption	0				650	(650)
Beginning Balance at Dec. 31, 2017	208,717	[1]	8,604	76,179	127,010	(3,076)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,812				5,812
Other comprehensive income (loss)	(2,879)					(2,879)
Stock options exercised	85		3	82
Vesting of restricted stock			10	(10)
Equity based compensation	278		4	274
Cash dividends paid	(2,173)				(2,173)
Ending Balance at Mar. 31, 2018	$ 209,840		$ 8,621	$ 76,525	$ 131,299	$ (6,605)

[1] Derived from audited consolidated financial statements.

XML

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Stockholders' Equity [Abstract]
Stock options exercised (in shares)	3,300	3,300
Vesting of restricted stock (in shares)	10,101	6,468
Equity-based compensation (in shares)	21,186	17,393
Cash dividends paid (in dollars per share)	$ 0.25	$ 0.24

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities:
Net income	$ 5,812	$ 4,063
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	(44)	300
Depreciation	466	444
Net accretion of acquisition accounting adjustments	(427)	(434)
Core deposit intangible amortization	77	165
Net amortization of securities	430	542
Net gains on sale or call of securities	(8)	(259)
Unrealized holding gains on equity securities	(113)	0
Gain on sale of loans held for sale	(450)	(529)
Proceeds from sales of loans held for sale	17,947	22,777
Originations of loans held for sale	(17,650)	(18,124)
Net (gain) loss on other real estate owned	(6)	3
Valuation allowance on other real estate owned	0	26
Net gain on sale of premises and equipment	(3)	0
Equity based compensation expense	278	309
Earnings on bank owned life insurance	(106)	(107)
Deferred income tax (benefit) expense	(2)	438
Net change in interest receivable	286	601
Net change in other assets	(644)	(350)
Net change in interest payable	24	(49)
Net change in other liabilities	59	250
Net cash provided by operating activities	5,926	10,066
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	22,066	41,519
Proceeds from maturities, calls and paydowns of securities available for sale	9,824	12,885
Purchases of securities available for sale	(27,272)	0
Net change in restricted stock	889	732
Net decrease (increase) in loans	14,840	(55,067)
Proceeds from sale of premises and equipment	24	0
Purchases of premises and equipment	(345)	(663)
Proceeds from sales of other real estate owned	47	37
Net cash provided by (used in) investing activities	20,073	(557)
Cash Flows from Financing Activities:
Net change in demand, money market, and savings deposits	26,591	53,087
Net change in time deposits	(2,066)	(7,623)
Net change in customer repurchase agreements	(260)	8,610
Net change in other short-term borrowings	(24,000)	(20,000)
Common stock dividends paid	(2,173)	(2,073)
Proceeds from exercise of stock options	85	73
Net cash (used in) provided by financing activities	(1,823)	32,074
Net Increase in Cash and Cash Equivalents	24,176	41,583
Cash and Cash Equivalents at Beginning of Period	52,477	53,207
Cash and Cash Equivalents at End of Period	$ 76,653	$ 94,790

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Accounting Policies

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Accounting Policies

Accounting Policies

The consolidated financial statements include the accounts of American National Bankshares Inc. (the "Company") and its wholly owned subsidiary, American National Bank and Trust Company (the "Bank").  The Bank offers a wide variety of retail, commercial, secondary market mortgage lending, and trust and investment services which also include non-deposit products such as mutual funds and insurance policies.

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America ("GAAP") requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, goodwill and intangible assets, unfunded pension liability, other-than-temporary impairment of securities, accounting for merger and acquisition activity, accounting for acquired loans with specific credit-related deterioration, the valuation of deferred tax assets and liabilities, and the valuation of other real estate owned ("OREO").

All significant inter-company transactions and accounts are eliminated in consolidation, with the exception of the AMNB Trust and the MidCarolina Trusts, as detailed in Note 8.

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments (consisting of normal recurring accruals) necessary to present fairly the results of the interim periods. The results of operations for the interim periods are not necessarily indicative of the results that may occur for any other period.  Certain reclassifications have been made to prior period balances to conform to the current period presentation. These reclassifications did not have an impact on net income and were considered immaterial. These statements should be read in conjunction with the Notes to Consolidated Financial Statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2017.

Adoption of New Accounting Standards

On January 1, 2018, the Company adopted Accounting Standards Update ("ASU") 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which amended the guidance on the classification and measurement of financial instruments. Upon adoption of ASU 2016-01, the Company reclassified $650,000 from other comprehensive income to retained earnings for the difference in amortized cost and fair value. For the quarter ended March 31, 2018, the Company recognized the equity securities fair value change in net income. Previously, the fair value changes were recognized, net of tax, in other comprehensive income (loss). The adoption of ASU 2016-01 did not have a material effect on the Company's consolidated financial statements.

During the first quarter of 2018, the Company adopted ASU 2014-09, "Revenue from Contracts with Customers", and all subsequent amendments to the ASU (collectively "ASC 606"), which (i) creates a single framework for recognizing revenue from contracts with customers that fall within its scope and (ii) revises when it is appropriate to recognize a gain (loss) from the transfer of nonfinancial assets, such as OREO. The majority of the Company's revenue is from interest income, including loans and securities, that are outside the scope of the the standard. The services that fall within the scope of the standard are presented within noninterest income on the consolidated statement of income and are recognized as revenue as the Company satisfies its obligations to the customer. The revenue that falls within the scope of ASC 606 is primarily related to service charges on deposit accounts, cardholder and merchant income, wealth advisory services income, other service charges and fees, sales of other real estate, insurance commissions and miscellaneous fees. ASC 606 did not result in a change to the accounting for any in-scope revenue streams; as such, no cumulative effect adjustment was recorded.

Recent Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU No. 2016-02, "Leases (Topic 842)." Among other things, in the amendments in ASU 2016-02, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date: (1) a lease liability, which is a lessee's obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee's right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. Certain targeted improvements were made to align, where necessary, lessor accounting with the lessee accounting model and Topic 606, Revenue from Contracts with Customers. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company has analyzed all leases currently in place and determined the adoption of ASU 2016-02 will not have a material impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." The amendments in this ASU, among other things, require the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this ASU are effective for Securities and Exchange Commission ("SEC") filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company has formed a committee to address the adoption of the standard and engaged a third party vendor to assist with the data gathering and analysis. The Company is currently assessing the impact that ASU 2016-13 will have on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment". The amendments in this ASU simplify how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. Instead, under the amendments in this ASU, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. Public business entities that are SEC filers should adopt the amendments in this ASU for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company does not expect the adoption of ASU 2017-04 to have a material impact on its consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, "Receivables-Nonrefundable Fees and Other Costs (Subtopic 310‐20), Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities purchased at a premium. Upon adoption of the standard, premiums on these qualifying callable debt securities will be amortized to the earliest call date. Discounts on purchased debt securities will continue to be accreted to maturity. The amendments are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Upon transition, entities should apply the guidance on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption and provide the disclosures required for a change in accounting principle. The Company is currently assessing the impact that ASU 2017-08 will have on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU modify the designation and measurement guidance for hedge accounting as well as provide for increased transparency regarding the presentation of economic results on both the financial statements and related footnotes. Certain aspects of hedge effectiveness assessments will also be simplified upon implementation of this update. The amendments are effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2018. Early adoption is permitted, including adoption in any interim period. The Company is currently assessing the impact that ASU 2017-12 will have on its consolidated financial statements.

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Securities

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

The amortized cost and fair value of investments in debt and equity securities at March 31, 2018 and December 31, 2017 were as follows (dollars in thousands):

	March 31, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	112,141	$	2	$	3,516	$	108,627
Mortgage-backed and CMOs	110,832		200		2,611		108,421
State and municipal	85,115		828		621		85,322
Corporate	7,834		172		28		7,978
Total securities available for sale	$	315,922	$	1,202	$	6,776	$	310,348

The Company adopted ASU 2016-01 effective January 1, 2018 and had equity securities with a fair value of $2,320,000 at March 31, 2018 and recognized in income $113,000 of unrealized holding gains in the first quarter of 2018.

	December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	114,246	$	8	$	2,127	$	112,127
Mortgage-backed and CMOs	106,163		293		1,140		105,316
State and municipal	92,711		1,262		347		93,626
Corporate	7,842		234		14		8,062
Equity securities	1,383		823		—		2,206
Total securities available for sale	$	322,345	$	2,620	$	3,628	$	321,337

Restricted Stock

Due to restrictions placed upon the Bank's common stock investment in the Federal Reserve Bank of Richmond ("FRB") and Federal Home Loan Bank of Atlanta ("FHLB"), these securities have been classified as restricted equity securities and carried at cost.  The restricted securities are not subject to the investment security classification and are included as a separate line item on the Company's Consolidated Balance Sheet.  The FRB requires the Bank to maintain stock with a par value equal to 3.00% of its outstanding capital and an additional 3.00% is on call.  The FHLB requires the Bank to maintain stock in an amount equal to 4.25% of outstanding borrowings and a specific percentage of the Bank's total assets. The cost of restricted stock at March 31, 2018 and December 31, 2017 was as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
FRB stock	$	3,595	$	3,587
FHLB stock	1,626		2,523
Total restricted stock	$	5,221	$	6,110

Temporarily Impaired Securities

The following table shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at March 31, 2018.  The reference point for determining when securities are in an unrealized loss position is month-end.  Therefore, it is possible that a security's market value exceeded its amortized cost on other days during the past twelve-month period.

Available for sale securities that have been in a continuous unrealized loss position are as follows (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	103,732	$	3,516	$	50,944	$	835	$	52,789	$	2,681
Mortgage-backed and CMOs	99,661		2,611		74,839		1,602		24,822		1,009
State and municipal	38,355		621		31,395		294		6,960		327
Corporate	1,507		28		484		16		1,023		12
Total	$	243,255	$	6,776	$	157,662	$	2,747	$	85,594	$	4,029

Federal agencies and GSEs: The unrealized losses on the Company's investment in 23 government sponsored entities ("GSE") securities were caused by interest rate increases. Twelve of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Mortgage-backed securities: The unrealized losses on the Company's investment in 65 GSE mortgage-backed securities were caused by interest rate increases. Sixteen of these securities were in an unrealized loss position for 12 months or more. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the securities would not be settled at a price less than the amortized cost basis of the Company's investments. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Collateralized Mortgage Obligations: The unrealized losses associated with two private GSE collateralized mortgage obligations ("CMO") were due to normal market fluctuations. One of these securities was in an unrealized loss position for 12 months or more. The contractual cash flows of those investments are guaranteed by an agency of the U.S. Government. Accordingly, it is expected that the securities would not be settled at a price less than the amortized cost basis of the Company's investments. Because the decline in market value is attributable to changes in interest rates and not credit quality, and because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of its amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

State and municipal securities:  The unrealized losses on 60 state and municipal securities were caused by interest rate increases. Eleven of these securities were in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Corporate securities:  The unrealized losses on two corporate securities were caused by interest rate increases. One of these securities was in an unrealized loss position for 12 months or more. The contractual terms of those investments do not permit the issuer to settle the securities at a price less than the amortized cost basis of the investments. Because the Company does not intend to sell the investments and it is not more likely than not that the Company will be required to sell the investments before recovery of their amortized cost basis, which may be maturity, the Company does not consider those investments to be other-than-temporarily impaired at March 31, 2018.

Restricted stock: When evaluating restricted stock for impairment, its value is based on the ultimate recoverability of the par value rather than by recognizing temporary declines in value. The Company does not consider restricted stock to be other-than-temporarily impaired at March 31, 2018, and no impairment has been recognized.

The table below shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrealized loss position, at December 31, 2017 (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	99,133	$	2,127	$	45,474	$	321	$	53,659	$	1,806
Mortgage-backed and CMOs	90,806		1,140		64,449		533		26,357		607
State and municipal	34,550		347		27,442		159		7,108		188
Corporate	1,529		14		495		5		1,034		9
Total	$	226,018	$	3,628	$	137,860	$	1,018	$	88,158	$	2,610

Other-Than-Temporarily-Impaired Securities

As of March 31, 2018 and December 31, 2017, there were no securities classified as other-than-temporarily impaired.

Realized Gains and Losses

The following table presents the gross realized gains and losses on and the proceeds from the sale of securities during the three months ended March 31, 2018 and 2017 (dollars in thousands):

	Three Months Ended March 31, 2018
Realized gains (losses):
Gross realized gains	$	105
Gross realized losses	(97		)
Net realized gains	$	8
Proceeds from sales of securities	$	22,066
	Three Months Ended March 31, 2017
Realized gains (losses):
Gross realized gains	$	260
Gross realized losses	(1		)
Net realized gains	$	259
Proceeds from sales of securities	$	41,519

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Loans

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Loans

Loans

Loans, excluding loans held for sale, at March 31, 2018 and December 31, 2017, were comprised of the following (dollars in thousands):

	March 31, 2018		December 31, 2017
Commercial	$	284,257	$	251,666
Commercial real estate:
Construction and land development	93,031		123,147
Commercial real estate	624,164		637,701
Residential real estate:
Residential	207,256		209,326
Home equity	108,024		109,857
Consumer	4,489		4,428
Total loans	$	1,321,221	$	1,336,125

Acquired Loans

The outstanding principal balance and the carrying amount of these loans, including FASB Accounting Standards Codification ("ASC") 310-30, included in the consolidated balance sheets at March 31, 2018 and December 31, 2017 are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	73,058	$	79,523
Carrying amount	67,685		73,796

The outstanding principal balance and related carrying amount of acquired impaired loans, for which the Company applies ASC 310-30 to account for interest earned, as of the indicated dates are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	26,229	$	27,876
Carrying amount	22,034		23,430

The following table presents changes in the accretable yield on acquired impaired loans, for which the Company applies FASB ASC 310-30, for the three months ended March 31, 2018 and the year ended December 31, 2017 (dollars in thousands):

	March 31, 2018			December 31, 2017
Balance at January 1	$	4,890		$	6,103
Accretion	(691		)	(3,117		)
Reclassification from nonaccretable difference	259			1,006
Other changes, net*	157			898
	$	4,615		$	4,890

* This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate acquired impaired loans, and discounted payoffs that occurred in the period.

Past Due Loans

The following table shows an analysis by portfolio segment of the Company's past due loans at March 31, 2018 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	180	$	—	$	—	$	102	$	282	$	283,975	$	284,257
Commercial real estate:
Construction and land development	185		—		—		35		220		92,811		93,031
Commercial real estate	30		—		—		233		263		623,901		624,164
Residential:
Residential	230		11		255		1,005		1,501		205,755		207,256
Home equity	75		—		18		223		316		107,708		108,024
Consumer	41		—		—		—		41		4,448		4,489
Total	$	741	$	11	$	273	$	1,598	$	2,623	$	1,318,598	$	1,321,221

The following table shows an analysis by portfolio segment of the Company's past due loans at December 31, 2017 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	92	$	—	$	—	$	90	$	182	$	251,484	$	251,666
Commercial real estate:
Construction and land development	—		—		—		36		36		123,111		123,147
Commercial real estate	86		—		280		489		855		636,846		637,701
Residential:
Residential	282		71		79		1,343		1,775		207,551		209,326
Home equity	141		16		—		243		400		109,457		109,857
Consumer	21		5		—		—		26		4,402		4,428
Total	$	622	$	92	$	359	$	2,201	$	3,274	$	1,332,851	$	1,336,125

Impaired Loans

The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at March 31, 2018 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	—	$	—	$	—	$	3	$	—
Commercial real estate:
Construction and land development	—		—		—		—		—
Commercial real estate	529		526		—		660		10
Residential:
Residential	1,209		1,211		—		963		8
Home equity	140		141		—		141		3
Consumer	4		4		—		5		—
	$	1,882	$	1,882	$	—	$	1,772	$	21
With a related allowance recorded:
Commercial	$	122	$	121	$	60	$	162	$	1
Commercial real estate:
Construction and land development*	35		36		—		36		—
Commercial real estate*	29		29		—		31		—
Residential
Residential	151		151		11		607		2
Home equity	243		245		89		233		1
Consumer	—		—		—		—		—
	$	580	$	582	$	160	$	1,069	$	4
Total:
Commercial	$	122	$	121	$	60	$	165	$	1
Commercial real estate:
Construction and land development	35		36		—		36		—
Commercial real estate	558		555		—		691		10
Residential:
Residential	1,360		1,362		11		1,570		10
Home equity	383		386		89		374		4
Consumer	4		4		—		5		—
	$	2,462	$	2,464	$	160	$	2,841	$	25

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

In the table above, recorded investment may exceed unpaid principal balance due to acquired loans with a premium and loans where unearned costs exceed unearned fees.

The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at December 31, 2017 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	4	$	4	$	—	$	19	$	1
Commercial real estate:
Construction and land development	—		—		—		56		4
Commercial real estate	791		789		—		1,069		66
Residential:
Residential	717		719		—		575		41
Home equity	142		142		—		109		10
Consumer	5		5		—		6		1
	$	1,659	$	1,659	$	—	$	1,834	$	123
With a related allowance recorded:
Commercial	$	202	$	201	$	154	$	150	$	16
Commercial real estate:
Construction and land development*	37		37		—		56		—
Commercial real estate*	34		32		—		126		11
Residential:
Residential	1,022		1,022		12		1,174		27
Home equity	263		261		1		251		1
Consumer*	—		—		—		5		—
	$	1,558	$	1,553	$	167	$	1,762	$	55
Total:
Commercial	$	206	$	205	$	154	$	169	$	17
Commercial real estate:
Construction and land development	37		37		—		112		4
Commercial real estate	825		821		—		1,195		77
Residential:
Residential	1,739		1,741		12		1,749		68
Home equity	405		403		1		360		11
Consumer	5		5		—		11		1
	$	3,217	$	3,212	$	167	$	3,596	$	178

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

In the table above, recorded investment may exceed unpaid principal balance due to acquired loans with a premium and loans where unearned costs exceed unearned fees.

The following tables show the detail of loans modified as troubled debt restructurings ("TDRs") during the three months ended March 31, 2018 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2018
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	—	$	—	$	—
Commercial real estate	—	—		—
Construction and land development	—	—		—
Home Equity	—	—		—
Residential real estate	1	11		11
Consumer	—	—		—
Total	1	$	11	$	11

The following tables show the detail of loans modified as TDRs during the three months ended March 31, 2017 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2017
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	5	$	212	$	212
Commercial real estate	—	—		—
Construction and land development	—	—		57
Home Equity	2	57		36
Residential real estate	1	36		—
Consumer	—	—		—
Total	8	$	305	$	305

During the three months ended March 31, 2018 and 2017, the Company had no loans that subsequently defaulted within twelve months of modification. The Company defines defaults as one or more payments that occur more than 90 days past the due date, charge-off or foreclosure subsequent to modification.

Residential Real Estate in Process of Foreclosure

The Company had $259,000 in residential real estate loans in the process of foreclosure at March 31, 2018 and $1,150,000 and $629,000 in residential OREO at March 31, 2018 and December 31, 2017, respectively.

Risk Grades

The following table shows the Company's loan portfolio broken down by internal risk grading as of March 31, 2018 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	280,908	$	88,229	$	614,695	$	200,488	$	107,053
Special Mention	2,353		2,625		4,602		2,194		—
Substandard	996		2,177		4,867		4,574		971
Doubtful	—		—		—		—		—
Total	$	284,257	$	93,031	$	624,164	$	207,256	$	108,024

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,489
Nonperforming	—
Total	$	4,489

The following table shows the Company's loan portfolio broken down by internal risk grading as of December 31, 2017 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	248,714	$	114,502	$	625,861	$	200,405	$	107,705
Special Mention	1,763		7,114		6,914		4,438		1,325
Substandard	1,189		1,531		4,926		4,483		827
Doubtful	—		—		—		—		—
Total	$	251,666	$	123,147	$	637,701	$	209,326	$	109,857

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,415
Nonperforming	13
Total	$	4,428

Loans classified in the Pass category typically are fundamentally sound and risk factors are reasonable and acceptable.

Loans classified in the Special Mention category typically have been criticized internally, by loan review or the loan officer, or by external regulators under the current credit policy regarding risk grades.

Loans classified in the Substandard category typically have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt; they are typically characterized by the possibility that the Bank will sustain some loss if the deficiencies are not corrected.

Loans classified in the Doubtful category typically have all the weaknesses inherent in loans classified as substandard, plus the added characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions, and values highly questionable and improbable. However, these loans are not yet rated as loss because certain events may occur that may salvage the debt.

Consumer loans are classified as performing or nonperforming.  A loan is nonperforming when payments of interest and principal are past due 90 days or more, or payments are less than 90 days past due, but there are other good reasons to doubt that payment will be made in full.

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Allowance for Loan Losses and Reserve for Unfunded Lending Commitments

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Allowance for Loan Losses and Reserve for Unfunded Lending Commitments

Allowance for Loan Losses and Reserve for Unfunded Lending Commitments

Changes in the allowance for loan losses and the reserve for unfunded lending commitments as of the indicated dates and periods are presented below (dollars in thousands):

	Three Months Ended   March 31, 2018			Year Ended December 31, 2017			Three Months Ended   March 31, 2017
Allowance for Loan Losses
Balance, beginning of period	$	13,603		$	12,801		$	12,801
Provision for loan losses	(44		)	1,016			300
Charge-offs	(44		)	(690		)	(49		)
Recoveries	60			476			56
Balance, end of period	$	13,575		$	13,603		$	13,108
Reserve for Unfunded Lending Commitments
Balance, beginning of period	$	206		$	203		$	203
Provision for unfunded commitments	5			3			3
Charge-offs	—			—			—
Balance, end of period	$	211		$	206		$	206

The reserve for unfunded loan commitments is included in other liabilities.

The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the three months ended March 31, 2018 (dollars in thousands):

	Commercial		Commercial Real Estate			Residential Real Estate		Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2017:	$	2,413	$	8,321		$	2,825	$	44		$	13,603
Provision for loan losses	254		(400		)	97		5			(44		)
Charge-offs	—		(11		)	—		(33		)	(44		)
Recoveries	10		1			20		29			60
Balance at March 31, 2018:	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Balance at March 31, 2018:
Allowance for Loan Losses
Individually evaluated for impairment	$	60	$	—		$	100	$	—		$	160
Collectively evaluated for impairment	2,617		7,868			2,644		45			13,174
Acquired impaired loans	—		43			198		—			241
Total	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Loans
Individually evaluated for impairment	$	122	$	593		$	1,743	$	4		$	2,462
Collectively evaluated for impairment	283,823		705,704			302,728		4,470			1,296,725
Acquired impaired loans	312		10,898			10,809		15			22,034
Total	$	284,257	$	717,195		$	315,280	$	4,489		$	1,321,221

The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the year ended December 31, 2017 (dollars in thousands):

	Commercial			Commercial Real Estate			Residential Real Estate			Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2016:	$	2,095		$	7,355		$	3,303		$	48		$	12,801
Provision for loan losses	377			999			(391		)	31			1,016
Charge-offs	(282		)	(93		)	(172		)	(143		)	(690		)
Recoveries	223			60			85			108			476
Balance at December 31, 2017:	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Balance at December 31, 2017:
Allowance for Loan Losses
Individually evaluated for impairment	$	154		$	—		$	13		$	—		$	167
Collectively evaluated for impairment	2,259			8,203			2,645			44			13,151
Acquired impaired loans	—			118			167			—			285
Total	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Loans
Individually evaluated for impairment	$	206		$	862		$	2,144		$	5		$	3,217
Collectively evaluated for impairment	251,185			747,819			306,066			4,408			1,309,478
Acquired impaired loans	275			12,167			10,973			15			23,430
Total	$	251,666		$	760,848		$	319,183		$	4,428		$	1,336,125

The allowance for loan losses is allocated to loan segments based upon historical loss factors, risk grades on individual loans, portfolio analysis of smaller balance homogenous loans, and qualitative factors.  Qualitative factors include trends in delinquencies, nonaccrual loans, and loss rates; trends in volume and terms of loans, effects of changes in risk selection, underwriting standards, and lending policies; experience of lending officers, other lending staff and loan review; national, regional, and local economic trends and conditions; legal, regulatory and collateral factors; and concentrations of credit.

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Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The Company records as goodwill the excess of the purchase price over the fair value of the identifiable net assets acquired. Impairment testing is performed annually, as well as when an event triggering impairment may have occurred. The Company performs its annual analysis as of June 30 each fiscal year. Accounting guidance permits preliminary assessment of qualitative factors to determine whether more substantial impairment testing is required. The Company chose to bypass the preliminary assessment and utilized a two-step process for impairment testing of goodwill. The first step tests for impairment, while the second step, if necessary, measures the impairment.  No indicators of impairment were identified as of June 30, 2017.

Core deposit intangibles resulting from the acquisition of MidCarolina Financial Corporation ("MidCarolina") in July 2011 were $6,556,000 and are being amortized on an accelerated basis over 108 months. Core deposit intangibles resulting from the acquisition of MainStreet BankShares, Inc. ("MainStreet") in January 2015 were $1,839,000 and are being amortized on an accelerated basis over 120 months.

The changes in the carrying amount of goodwill and intangibles for the three months ended March 31, 2018, are as follows (dollars in thousands):

	Goodwill		Intangibles
Balance at December 31, 2017	$	43,872	$	1,191
Additions	—		—
Amortization	—		(77		)
Impairment	—		—
Balance at March 31, 2018	$	43,872	$	1,114

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Short-term Borrowings

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Short-term Borrowings

Short-term Borrowings

Short-term borrowings consist of customer repurchase agreements, overnight borrowings from the FHLB, and federal funds purchased.  The Company has federal funds lines of credit established with two correspondent banks in the amounts of $15,000,000, each, and, additionally, has access to the FRB's discount window. Customer repurchase agreements are collateralized by securities of the U.S. Government or its agencies ("GSEs").  They mature daily.  The interest rates may be changed at the discretion of the Company. The securities underlying these agreements remain under the Company's control. FHLB overnight borrowings contain floating interest rates that may change daily at the discretion of the FHLB.  Federal funds purchased are unsecured overnight borrowings from other financial institutions. Short-term borrowings consisted of the following at March 31, 2018 and December 31, 2017 (dollars in thousands):

	March 31, 2018		December 31, 2017
Customer repurchase agreements	$	10,466	$	10,726
Other short-term borrowings	—		24,000
	$	10,466	$	34,726

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Long-term Borrowings

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Long-term Borrowings

Long-term Borrowings

Under the terms of its collateral agreement with the FHLB, the Company provides a blanket lien covering all of its residential first mortgage loans, second mortgage loans, home equity lines of credit, and commercial real estate loans.  In addition, the Company pledges as collateral its capital stock in the FHLB and deposits with the FHLB.  The Company has a line of credit with the FHLB equal to 30% of the Company's assets, subject to the amount of collateral pledged.  As of March 31, 2018, $561,422,000 in eligible collateral was pledged under the blanket floating lien agreement which covers both short-term and long-term borrowings. 

In the regular course of conducting its business, the Company takes deposits from political subdivisions of the states of Virginia and North Carolina. At March 31, 2018, the Bank's public deposits totaled $252,535,000.  The Company is required to provide collateral to secure the deposits that exceed the insurance coverage provided by the Federal Deposit Insurance Corporation. This collateral can be provided in the form of certain types of government or agency bonds or letters of credit from the FHLB. At March 31, 2018, the Company had $190,000,000 in letters of credit with the FHLB outstanding, as well as $103,992,000 in agency, state, and municipal securities pledged to provide collateral for such deposits.

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Junior Subordinated Debt

3 Months Ended

Mar. 31, 2018

Trust Preferred Capital Notes [Abstract]

Junior Subordinated Debt

Junior Subordinated Debt

On April 7, 2006, AMNB Statutory Trust I, a Delaware statutory trust and a wholly owned unconsolidated subsidiary of the Company, issued $20,000,000 of preferred securities (the "Trust Preferred Securities") in a private placement pursuant to an applicable exemption from registration.  The Trust Preferred Securities mature on June 30, 2036, but may be redeemed at the Company's option beginning on September 30, 2011.  Distributions are cumulative and will accrue from the date of original issuance, but may be deferred by the Company from time to time for up to 20 consecutive quarterly periods.  The Company has guaranteed the payment of all required distributions on the Trust Preferred Securities. The proceeds of the Trust Preferred Securities received by the trust, along with proceeds of $619,000 received by the trust from the issuance of common securities by the trust to the Company, were used to purchase $20,619,000 of the Company's junior subordinated debt securities (the "Junior Subordinated Debt"), issued pursuant to junior subordinated debentures entered into between the Company and Wilmington Trust Company, as trustee.  The proceeds of the Junior Subordinated Debt were used to fund the cash portion of the merger consideration to the former shareholders of Community First Financial Corporation in connection with the Company's acquisition of that company in 2006, and for general corporate purposes.

On July 1, 2011, in connection with the MidCarolina merger, the Company assumed $8,764,000 in junior subordinated debt to MidCarolina Trust I and MidCarolina Trust II, two separate Delaware statutory trusts (the "MidCarolina Trusts"), to fully and unconditionally guarantee the preferred securities issued by the MidCarolina Trusts. These long-term obligations, which currently qualify as Tier 1 capital, constitute a full and unconditional guarantee by the Company of the MidCarolina Trusts' obligations. The MidCarolina Trusts were not consolidated in the Company's financial statements.

In accordance with ASC 810-10-15-14, "Consolidation - Overall - Scope and Scope Exceptions," the Company did not eliminate through consolidation the Company's $619,000 equity investment in AMNB Statutory Trust I or the $264,000 equity investment in the MidCarolina Trusts.  Instead, the Company reflected this equity investment in the "Accrued interest receivable and other assets" line item in the consolidated balance sheets.

A description of the junior subordinated debt securities outstanding payable to the trusts is shown below as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Issuing Entity	Date Issued	Interest Rate		Maturity Date	Principal Amount
					March 31, 2018		December 31, 2017
AMNB Trust I	4/7/2006	Libor plus	1.35%	6/30/2036	$	20,619	$	20,619
MidCarolina Trust I	10/29/2002	Libor plus	3.45%	11/7/2032	4,335		4,322
MidCarolina Trust II	12/3/2003	Libor plus	2.95%	10/7/2033	2,897		2,885
					$	27,851	$	27,826

The principal amounts reflected above for the MidCarolina Trusts are net of fair value adjustments of $1,532,000 and $1,557,000 at March 31, 2018 and December 31, 2017, respectively. The original fair value adjustments of $1,197,000 and $1,021,000 were recorded as a result of the acquisition of MidCarolina on July 1, 2011, and are being amortized into interest expense over the remaining lives of the respective borrowings.

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Stock Based Compensation

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Based Compensation

Stock Based Compensation

The Company's 2008 Stock Incentive Plan ("2008 Plan") was adopted by the Board of Directors of the Company on February 19, 2008, and approved by shareholders on April 22, 2008, at the Company's 2008 Annual Meeting of Shareholders.  The 2008 Plan provided for the granting of restricted stock awards and incentive and non-statutory options to employees and directors on a periodic basis, at the discretion of the Board of Directors or a Board designated committee.  The 2008 Plan authorized the issuance of up to 500,000 shares of common stock. The 2008 Plan replaced the Company's stock option plan that was approved by the shareholders at the 1997 Annual Meeting, which expired in 2006. The 2008 Plan terminated in February 2018. The Board will be proposing a new stock based compensation plan for shareholder approval at the upcoming 2018 Annual Meeting (the 2018 Equity Compensation Plan).

Stock Options

Accounting guidance requires that compensation cost relating to share-based payment transactions be recognized in the financial statements with measurement based upon the fair value of the equity or liability instruments issued.

A summary of stock option transactions for the three months ended March 31, 2018 is as follows:

	Option Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2017	50,985		$	24.09
Acquired in acquisition	—		—
Granted	—		—
Exercised	(3,300	)	25.76
Forfeited	—		—
Expired	(1,650	)	33.33
Outstanding at March 31, 2018	46,035		$	23.64	0.59 years	$	643
Exercisable at March 31, 2018	46,035		$	23.64	0.59 years	$	643

The fair value of options is estimated at the date of grant using the Black-Scholes option pricing model and expensed over the options' vesting period.  No stock options have been granted since 2009. As of March 31, 2018, there were no unrecognized compensation expenses related to nonvested stock option grants.

Restricted Stock

The Company from time-to-time grants shares of restricted stock to key employees and non-employee directors.  These awards help align the interests of these employees and directors with the interests of the shareholders of the Company by providing economic value directly related to increases in the value of the Company's common stock.  The value of the stock awarded is established as the fair value of the stock at the time of the grant.  The Company recognizes expense, equal to the total value of such awards, ratably over the vesting period of the stock grants. The majority of the restricted stock granted cliff vests at the end of a 36 month period beginning on the date of the grant. The remainder vests one-third each year beginning on the date of the grant. Nonvested restricted stock activity for the three months ended March 31, 2018 is summarized in the following table.

Restricted Stock	Shares		Weighted Average Grant Date Value
Nonvested at December 31, 2017	46,501		$	26.28
Granted	18,192		39.52
Vested	(10,101	)	21.62
Forfeited	(483	)	34.70
Nonvested at March 31, 2018	54,109		$	31.53

As of March 31, 2018 and December 31, 2017, there was $1,110,000 and $538,000, respectively, in unrecognized compensation cost related to nonvested restricted stock granted under the 2008 Plan.  The weighted average period over which this cost is expected to be recognized is 1.71 years.  The share based compensation expense for nonvested restricted stock was $147,000 and $192,000 during the first three months of 2018 and 2017, respectively.

The Company offers its outside directors alternatives with respect to director compensation. For 2018, the regular quarterly board retainer will be received in the form of shares of immediately vested, but restricted stock with a market value of $7,500. Monthly meeting fees can be received as $725 per meeting in cash or $900 in immediately vested, but restricted stock.  Only outside directors receive board fees. The Company issued 3,477 and 3,251 shares and recognized share based compensation expense of $130,000 and $117,000 during the first three months of 2018 and 2017, respectively.

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

The following shows the weighted average number of shares used in computing earnings per common share and the effect on weighted average number of shares of potentially dilutive common stock. Potentially dilutive common stock had no effect on income available to common shareholders. Nonvested restricted shares are included in the computation of basic earnings per share as the holder is entitled to full shareholder benefits during the vesting period including voting rights and sharing in nonforfeitable dividends. The following table presents basic and diluted earnings per share for the three month periods ended March 31, 2018 and 2017.

	Three Months Ended March 31,
	2018			2017
	Shares	Per Share Amount		Shares	Per Share Amount
Basic earnings per share	8,669,728	$	0.67	8,633,219	$	0.47
Effect of dilutive securities - stock options	17,623	—		17,920	—
Diluted earnings per share	8,687,351	$	0.67	8,651,139	$	0.47

Outstanding stock options on common stock that were not included in computing diluted earnings per share for the three month periods ended March 31, 2018 and 2017 because their effects were anti-dilutive, averaged 0 and 1,320 shares, respectively.

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Employee Benefit Plans

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following information for the three months ended March 31, 2018 and 2017 pertains to the Company's non-contributory defined benefit pension plan which was frozen in 2009.  If lump sum payments exceed the service cost plus interest cost, an additional settlement charge will apply (dollars in thousands):

Components of Net Periodic Benefit Cost	Three Months Ended March 31,
	2018			2017
Service cost	$	—		$	—
Interest cost	51			59
Expected return on plan assets	(64		)	(88		)
Recognized loss due to settlement	25			35
Recognized net actuarial loss	68			54
Net periodic cost	$	80		$	60

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Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Fair Value of Financial Instruments

Determination of Fair Value

The Company uses fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In accordance with the fair value measurements and disclosures topic of FASB ASC 820, the fair value of an instrument is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for the Company's various instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument. 

The fair value guidance provides a consistent definition of fair value, which focuses on exit price in an orderly transaction (that is, not a forced liquidation or distressed sale) between market participants at the measurement date under current market conditions. If there has been a significant decrease in the volume and level of activity for the asset or liability, a change in valuation technique or the use of multiple valuation techniques may be appropriate. In such instances, determining the price at which willing market participants would transact at the measurement date under current market conditions depends on the facts and circumstances and requires the use of significant judgment. The fair value is a reasonable point within the range that is most representative of fair value under current market conditions.

Fair Value Hierarchy

In accordance with this guidance, the Company groups its financial assets and financial liabilities generally measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value.

Level 1 –	Valuation is based on quoted prices in active markets for identical assets and liabilities.
Level 2 –	Valuation is based on observable inputs including quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets and liabilities in less active markets, and model-based valuation techniques for which significant assumptions can be derived primarily from or corroborated by observable data in the market.
Level 3 –	Valuation is based on model-based techniques that use one or more significant inputs or assumptions that are unobservable in the market.

 The following describes the valuation techniques used by the Company to measure certain financial assets and financial liabilities recorded at fair value on a recurring basis in the financial statements:

Securities available for sale: Securities available for sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted market prices, when available (Level 1). If quoted market prices are not available, fair values are measured utilizing independent valuation techniques of identical or similar securities for which significant assumptions are derived primarily from or corroborated by observable market data. Third party vendors compile prices from various sources and may determine the fair value of identical or similar securities by using pricing models that consider observable market data (Level 2). If no observable market data is available, valuations are based upon third party model based techniques (Level 3). There were no securities recorded with a Level 3 valuation at March 31, 2018 or December 31, 2017.

The following table presents the balances of financial assets measured at fair value on a recurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	108,627	$	—	$	108,627	$	—
Mortgage-backed and CMOs	108,421		—		108,421		—
State and municipal	85,322		—		85,322		—
Corporate	7,978		—		7,978		—
Total securities available for sale	$	310,348	$	—	$	310,348	$	—
Equity securities	$	2,320	$	—	$	2,320	$	—

	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	112,127	$	—	$	112,127	$	—
Mortgage-backed and CMOs	105,316		—		105,316		—
State and municipal	93,626		—		93,626		—
Corporate	8,062		—		8,062		—
Equity securities	2,206		—		2,206		—
Total securities available for sale	$	321,337	$	—	$	321,337	$	—

  Certain assets are measured at fair value on a nonrecurring basis in accordance with GAAP. Adjustments to the fair value of these assets usually result from the application of lower-of-cost-or-market accounting or write-downs of individual assets.

The following describes the valuation techniques used by the Company to measure certain assets recorded at fair value on a nonrecurring basis in the financial statements:

Loans held for sale: Loans held for sale are carried at fair value. These loans currently consist of one-to-four family residential loans originated for sale in the secondary market. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale (Level 2). As such, the Company records any fair value adjustments on a nonrecurring basis. No nonrecurring fair value adjustments were recorded on loans held for sale during the three month period ended March 31, 2018 or the year ended December 31, 2017. Gains and losses on the sale of loans are recorded within mortgage banking income on the Consolidated Statements of Income.

Impaired loans: Loans are designated as impaired when, in the judgment of management based on current information and events, it is probable that all amounts due according to the contractual terms of the loan agreements will not be collected when due. The measurement of the loss associated with impaired loans can be based on either the observable market price of the loan or the fair value of the collateral. Collateral may be in the form of real estate or business assets including equipment, inventory, and accounts receivable.  The vast majority of the Company's collateral is real estate.  The value of real estate collateral is determined utilizing a market valuation approach based on an appraisal, of one year or less, conducted by an independent, licensed appraiser using observable market data (Level 2).  However, if the collateral is a house or building in the process of construction or if an appraisal of the property is more than one year old and not solely based on observable market comparables or management determines the fair value of the collateral is further impaired below the appraised value, then a Level 3 valuation is considered to measure the fair value.  The value of business equipment is based upon an outside appraisal, of one year or less, if deemed significant, or the net book value on the applicable business's financial statements if not considered significant using observable market data.  Likewise, values for inventory and accounts receivable collateral are based on financial statement balances or aging reports (Level 3).  Impaired loans allocated to the allowance for loan losses are measured at fair value on a nonrecurring basis.  Any fair value adjustments are recorded in the period incurred as provision for loan losses on the Consolidated Statements of Income.

OREO:  Measurement for fair values for OREO are the same as impaired loans. Any fair value adjustments are recorded in the period incurred as a valuation allowance against other real estate owned with the associated expense included in other real estate owned expense, net on the Consolidated Statements of Income.

The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,792	$	—	$	1,792	$	—
Impaired loans, net of valuation allowance	420		—		—		420
Other real estate owned, net	1,716		—		—		1,716

	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,639	$	—	$	1,639	$	—
Impaired loans, net of valuation allowance	1,391		—		—		1,391
Other real estate owned, net	1,225		—		—		1,225

The following tables summarize the Company's quantitative information about Level 3 fair value measurements at the dates indicated:

Quantitative Information About Level 3 Fair Value Measurements at March 31, 2018

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

Quantitative Information About Level 3 Fair Value Measurements at December 31, 2017

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

ASC 825, "Financial Instruments," requires disclosure about fair value of financial instruments for interim periods and excludes certain financial instruments and all non-financial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented may not necessarily represent the underlying fair value of the Company.

The carrying values and the exit pricing concept fair values of the Company's financial instruments at March 31, 2018 are as follows (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	76,653	$	76,653	$	—	$	—	$	76,653
Equity securities	2,320				2,320				2,320
Securities available for sale	310,348		—		310,348		—		310,348
Restricted stock	5,221		—		5,221		—		5,221
Loans held for sale	1,792		—		1,792		—		1,792
Loans, net of allowance	1,307,646		—		—		1,305,037		1,305,037
Bank owned life insurance	18,566		—		18,566		—		18,566
Accrued interest receivable	4,945		—		4,945		—		4,945
Financial Liabilities:
Deposits	$	1,559,251	$	—	$	1,566,012	$	—	$	1,566,012
Repurchase agreements	10,466		—		10,466		—		10,466
Junior subordinated debt	27,851		—		—		21,801		21,801
Accrued interest payable	698		—		698		—		698

The carrying values and estimated fair values of the Company's financial instruments at December 31, 2017 are as follows (dollars in thousands):

	Fair Value Measurements at December 31, 2017 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	52,477	$	52,477	$	—	$	—	$	52,477
Securities available for sale	321,337		—		321,337		—		321,337
Restricted stock	6,110		—		6,110		—		6,110
Loans held for sale	1,639		—		1,639		—		1,639
Loans, net of allowance	1,322,522		—		—		1,317,737		1,317,737
Bank owned life insurance	18,460		—		18,460		—		18,460
Accrued interest receivable	5,231		—		5,231		—		5,231
Financial Liabilities:
Deposits	$	1,534,726	$	—	$	1,527,956	$	—	$	1,527,956
Repurchase agreements	10,726		—		10,726		—		10,726
Other short-term borrowings	24,000		—		24,000		—		24,000
Junior subordinated debt	27,826		—		—		28,358		28,358
Accrued interest payable	674		—		674		—		674

The following methods and assumptions were used by the Company in estimating fair value disclosures for financial instruments:

Cash and cash equivalents.  The carrying amount is a reasonable estimate of fair value.

Securities.  Fair values are based on quoted market prices or dealer quotes.

Restricted stock. The carrying value of restricted stock approximates fair value based on the redemption provisions of the respective entity.

Loans held for sale.  The carrying amount is at fair value. Fair value is based on the price secondary markets are currently offering for similar loans using observable market data which is not materially different than cost due to the short duration between origination and sale

Loans.  For variable-rate loans that reprice frequently and with no significant change in credit risk, fair values are based on carrying values.  Fair values for fixed-rate loans are estimated based upon discounted cash flow analysis, using interest rates currently being offered for loans with similar terms to borrowers of similar credit quality.  Fair values for nonperforming loans are estimated using discounted cash flow analysis or underlying collateral values, where applicable.

Bank owned life insurance. Bank owned life insurance represents insurance policies on officers, directors, and past directors of the Company.  The cash values of the policies are estimates using information provided by insurance carriers.  These policies are carried at their cash surrender value, which approximates the fair value.

Accrued interest receivable.  The carrying amount is a reasonable estimate of fair value.

Deposits.  The fair value of demand deposits, savings deposits, and money market deposits equals the carrying value. The fair value of fixed-rate certificates of deposit is estimated by discounting the future cash flows using the current rates at which similar deposit instruments would be offered to depositors for the same remaining maturities.

Repurchase agreements.  The carrying amount is a reasonable estimate of fair value.

Other short-term borrowings.  The carrying amount is a reasonable estimate of fair value.

Long-term borrowings.  The fair values of long-term borrowings are estimated using discounted cash flow analysis based on the interest rates for similar types of borrowing arrangements.

Junior subordinated debt.  Fair value is calculated by discounting the future cash flows using the estimated current interest rates at which similar securities would be issued.

Accrued interest payable.  The carrying amount is a reasonable estimate of fair value.

Off-balance sheet instruments.  The fair value of letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties at the reporting date.  At March 31, 2018 and December 31, 2017, the fair value of off-balance sheet instruments was deemed immaterial, and therefore was not included in the previous table.

The Company assumes interest rate risk (the risk that interest rates will change) in its normal operations.  As a result, the fair values of the Company's financial instruments will change when interest rates change and that change may be either favorable or unfavorable to the Company.

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Segment and Related Information

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Segment and Related Information

Segment and Related Information

The Company has two reportable segments, community banking and trust and investment services.

Community banking involves making loans to and generating deposits from individuals and businesses.  All assets and liabilities of the Company are allocated to community banking.  Investment income from securities is also allocated to the community banking segment.  Loan fee income, service charges from deposit accounts, and non-deposit fees such as automated teller machine fees and insurance commissions generate additional income for the community banking segment.

Trust and investment services include estate planning, trust account administration, investment management, and retail brokerage.  Investment management services include purchasing equity, fixed income, and mutual fund investments for customer accounts. The trust and investment services segment receives fees for investment and administrative services.

Amounts shown in the "Other" column includes activities of the Company which are primarily debt service on trust preferred securities and corporate items. 

Segment information as of and for the three months ended March 31, 2018 and 2017 (unaudited), is shown in the following tables (dollars in thousands):

	Three Months Ended March 31, 2018
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	16,580	$	—	$	88		$	—		$	16,668
Interest expense	1,835		—		290			—			2,125
Noninterest income	2,063		1,151		119			—			3,333
Income (loss) before income taxes	7,026		453		(261		)	—			7,218
Net income (loss)	5,653		365		(206		)	—			5,812
Depreciation and amortization	540		3		—			—			543
Total assets	1,807,991		—		237,802			(228,219		)	1,817,574
Goodwill	43,872		—		—			—			43,872
Capital expenditures	345		—		—			—			345

	Three Months Ended March 31, 2017
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	14,596	$	—	$	85		$	—		$	14,681
Interest expense	1,308		—		239			—			1,547
Noninterest income	2,161		1,104		6			—			3,271
Income (loss) before income taxes	5,457		541		(334		)	—			5,664
Net income (loss)	3,896		388		(221		)	—			4,063
Depreciation and amortization	606		3		—			—			609
Total assets	1,706,564		—		232,206			(222,965		)	1,715,805
Goodwill	43,872		—		—			—			43,872
Capital expenditures	657		6		—			—			663

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Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

	Three Months Ended   March 31,
	2018			2017
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$	18,772		$	27,418
Interest-bearing deposits in other banks	57,881			67,372
Cash and Cash Equivalents	$	76,653		$	94,790
Supplemental Disclosure of Cash Flow Information:
Cash paid for:
Interest on deposits and borrowed funds	$	2,101		$	1,596
Noncash investing and financing activities:
Transfer of loans to other real estate owned	532			402
Unrealized (losses) gains on securities available for sale	(3,742		)	752

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Accumulated Other Comprehensive Income

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Accumulated Other Comprehensive Income

Accumulated Other Comprehensive Income

Changes in each component of accumulated other comprehensive income ("AOCI") for the three months ended March 31, 2018 and 2017 (unaudited) were as follows (dollars in thousands):

For the Three Months Ended	Net Unrealized Gains (Losses) on Securities			Adjustments Related to Pension Benefits			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2016	$	(150	)	$	(1,724	)	$	(1,874	)
Net unrealized gains on securities available for sale, net of tax, $354	657			—			657
Reclassification adjustment for realized gains on securities, net of tax, $(91)	(168		)	—			(168		)
Balance at March 31, 2017	$	339		$	(1,724	)	$	(1,385	)
Balance at December 31, 2017	$	(796	)	$	(2,280	)	$	(3,076	)
Net unrealized losses on securities available for sale, net of tax, $(861)	(2,873		)	—			(2,873		)
Reclassification adjustment for realized gains on securities, net of tax, $(2)	(6		)	—			(6		)
Reclassification for ASU 2016-01 adoption	(650		)	—			(650		)
Balance at March 31, 2018	$	(4,325	)	$	(2,280	)	$	(6,605	)

Reclassifications Out of Accumulated Other Comprehensive Income

For the three months ended March 31, 2018 and 2017

(dollars in thousands)

For the Three Months Ended March 31, 2018	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	8		Securities gains, net
	(2		)	Income taxes
	6
Reclassification for ASU 2016-01 adoption	650			*
Total reclassifications	$	656		Net of tax

* Reclassification from AOCI to retained earnings for unrealized holding gains on equity securities due to adoption of ASU 2016-01.

For the Three Months Ended March 31, 2017	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	259		Securities gains, net
	(91		)	Income taxes
Total reclassifications	$	168		Net of tax

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Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Basis of Accounting

The consolidated financial statements include the accounts of American National Bankshares Inc. (the "Company") and its wholly owned subsidiary, American National Bank and Trust Company (the "Bank").  The Bank offers a wide variety of retail, commercial, secondary market mortgage lending, and trust and investment services which also include non-deposit products such as mutual funds and insurance policies.

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America ("GAAP") requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, goodwill and intangible assets, unfunded pension liability, other-than-temporary impairment of securities, accounting for merger and acquisition activity, accounting for acquired loans with specific credit-related deterioration, the valuation of deferred tax assets and liabilities, and the valuation of other real estate owned ("OREO").

All significant inter-company transactions and accounts are eliminated in consolidation, with the exception of the AMNB Trust and the MidCarolina Trusts, as detailed in Note 8.

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments (consisting of normal recurring accruals) necessary to present fairly the results of the interim periods. The results of operations for the interim periods are not necessarily indicative of the results that may occur for any other period.  Certain reclassifications have been made to prior period balances to conform to the current period presentation.

Adoption of New Accounting Standards and Recent Accounting Pronouncements

Adoption of New Accounting Standards

On January 1, 2018, the Company adopted Accounting Standards Update ("ASU") 2016-01, "Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities," which amended the guidance on the classification and measurement of financial instruments. Upon adoption of ASU 2016-01, the Company reclassified $650,000 from other comprehensive income to retained earnings for the difference in amortized cost and fair value. For the quarter ended March 31, 2018, the Company recognized the equity securities fair value change in net income. Previously, the fair value changes were recognized, net of tax, in other comprehensive income (loss). The adoption of ASU 2016-01 did not have a material effect on the Company's consolidated financial statements.

During the first quarter of 2018, the Company adopted ASU 2014-09, "Revenue from Contracts with Customers", and all subsequent amendments to the ASU (collectively "ASC 606"), which (i) creates a single framework for recognizing revenue from contracts with customers that fall within its scope and (ii) revises when it is appropriate to recognize a gain (loss) from the transfer of nonfinancial assets, such as OREO. The majority of the Company's revenue is from interest income, including loans and securities, that are outside the scope of the the standard. The services that fall within the scope of the standard are presented within noninterest income on the consolidated statement of income and are recognized as revenue as the Company satisfies its obligations to the customer. The revenue that falls within the scope of ASC 606 is primarily related to service charges on deposit accounts, cardholder and merchant income, wealth advisory services income, other service charges and fees, sales of other real estate, insurance commissions and miscellaneous fees. ASC 606 did not result in a change to the accounting for any in-scope revenue streams; as such, no cumulative effect adjustment was recorded.

Recent Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU No. 2016-02, "Leases (Topic 842)." Among other things, in the amendments in ASU 2016-02, lessees will be required to recognize the following for all leases (with the exception of short-term leases) at the commencement date: (1) a lease liability, which is a lessee's obligation to make lease payments arising from a lease, measured on a discounted basis; and (2) a right-of-use asset, which is an asset that represents the lessee's right to use, or control the use of, a specified asset for the lease term. Under the new guidance, lessor accounting is largely unchanged. Certain targeted improvements were made to align, where necessary, lessor accounting with the lessee accounting model and Topic 606, Revenue from Contracts with Customers. The amendments in this ASU are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early application is permitted upon issuance. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. The Company has analyzed all leases currently in place and determined the adoption of ASU 2016-02 will not have a material impact on its consolidated financial statements.

In June 2016, the FASB issued ASU No. 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." The amendments in this ASU, among other things, require the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. In addition, the ASU amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. The amendments in this ASU are effective for Securities and Exchange Commission ("SEC") filers for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company has formed a committee to address the adoption of the standard and engaged a third party vendor to assist with the data gathering and analysis. The Company is currently assessing the impact that ASU 2016-13 will have on its consolidated financial statements.

In January 2017, the FASB issued ASU No. 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment". The amendments in this ASU simplify how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit's goodwill with the carrying amount of that goodwill. Instead, under the amendments in this ASU, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. Public business entities that are SEC filers should adopt the amendments in this ASU for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company does not expect the adoption of ASU 2017-04 to have a material impact on its consolidated financial statements.

In March 2017, the FASB issued ASU 2017-08, "Receivables-Nonrefundable Fees and Other Costs (Subtopic 310‐20), Premium Amortization on Purchased Callable Debt Securities." The amendments in this ASU shorten the amortization period for certain callable debt securities purchased at a premium. Upon adoption of the standard, premiums on these qualifying callable debt securities will be amortized to the earliest call date. Discounts on purchased debt securities will continue to be accreted to maturity. The amendments are effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted, including adoption in an interim period. Upon transition, entities should apply the guidance on a modified retrospective basis, with a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption and provide the disclosures required for a change in accounting principle. The Company is currently assessing the impact that ASU 2017-08 will have on its consolidated financial statements.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities.” The amendments in this ASU modify the designation and measurement guidance for hedge accounting as well as provide for increased transparency regarding the presentation of economic results on both the financial statements and related footnotes. Certain aspects of hedge effectiveness assessments will also be simplified upon implementation of this update. The amendments are effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2018. Early adoption is permitted, including adoption in any interim period. The Company is currently assessing the impact that ASU 2017-12 will have on its consolidated financial statements.

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Securities (Tables)

3 Months Ended

Mar. 31, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost and estimated fair value of investments in debt securities

The amortized cost and fair value of investments in debt and equity securities at March 31, 2018 and December 31, 2017 were as follows (dollars in thousands):

	March 31, 2018
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	112,141	$	2	$	3,516	$	108,627
Mortgage-backed and CMOs	110,832		200		2,611		108,421
State and municipal	85,115		828		621		85,322
Corporate	7,834		172		28		7,978
Total securities available for sale	$	315,922	$	1,202	$	6,776	$	310,348

The Company adopted ASU 2016-01 effective January 1, 2018 and had equity securities with a fair value of $2,320,000 at March 31, 2018 and recognized in income $113,000 of unrealized holding gains in the first quarter of 2018.

	December 31, 2017
	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Securities available for sale:
Federal agencies and GSEs	$	114,246	$	8	$	2,127	$	112,127
Mortgage-backed and CMOs	106,163		293		1,140		105,316
State and municipal	92,711		1,262		347		93,626
Corporate	7,842		234		14		8,062
Equity securities	1,383		823		—		2,206
Total securities available for sale	$	322,345	$	2,620	$	3,628	$	321,337

Cost of restricted stock

The cost of restricted stock at March 31, 2018 and December 31, 2017 was as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
FRB stock	$	3,595	$	3,587
FHLB stock	1,626		2,523
Total restricted stock	$	5,221	$	6,110

Schedule of fair value and gross unrealized losses by investment category and length of time

The following table shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at March 31, 2018.  The reference point for determining when securities are in an unrealized loss position is month-end.  Therefore, it is possible that a security's market value exceeded its amortized cost on other days during the past twelve-month period.

Available for sale securities that have been in a continuous unrealized loss position are as follows (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	103,732	$	3,516	$	50,944	$	835	$	52,789	$	2,681
Mortgage-backed and CMOs	99,661		2,611		74,839		1,602		24,822		1,009
State and municipal	38,355		621		31,395		294		6,960		327
Corporate	1,507		28		484		16		1,023		12
Total	$	243,255	$	6,776	$	157,662	$	2,747	$	85,594	$	4,029

The table below shows estimated fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities had been in a continuous unrealized loss position, at December 31, 2017 (dollars in thousands):

	Total				Less than 12 Months				12 Months or More
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
Federal agencies and GSEs	$	99,133	$	2,127	$	45,474	$	321	$	53,659	$	1,806
Mortgage-backed and CMOs	90,806		1,140		64,449		533		26,357		607
State and municipal	34,550		347		27,442		159		7,108		188
Corporate	1,529		14		495		5		1,034		9
Total	$	226,018	$	3,628	$	137,860	$	1,018	$	88,158	$	2,610

Schedule of gross realized gains and losses on and proceeds from sale of securities

The following table presents the gross realized gains and losses on and the proceeds from the sale of securities during the three months ended March 31, 2018 and 2017 (dollars in thousands):

	Three Months Ended March 31, 2018
Realized gains (losses):
Gross realized gains	$	105
Gross realized losses	(97		)
Net realized gains	$	8
Proceeds from sales of securities	$	22,066
	Three Months Ended March 31, 2017
Realized gains (losses):
Gross realized gains	$	260
Gross realized losses	(1		)
Net realized gains	$	259
Proceeds from sales of securities	$	41,519

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Loans (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Schedule of loans, excluding loans held for sale

Loans, excluding loans held for sale, at March 31, 2018 and December 31, 2017, were comprised of the following (dollars in thousands):

	March 31, 2018		December 31, 2017
Commercial	$	284,257	$	251,666
Commercial real estate:
Construction and land development	93,031		123,147
Commercial real estate	624,164		637,701
Residential real estate:
Residential	207,256		209,326
Home equity	108,024		109,857
Consumer	4,489		4,428
Total loans	$	1,321,221	$	1,336,125

Schedule stating outstanding principal balance and the carrying amount of loan acquired

The outstanding principal balance and the carrying amount of these loans, including FASB Accounting Standards Codification ("ASC") 310-30, included in the consolidated balance sheets at March 31, 2018 and December 31, 2017 are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	73,058	$	79,523
Carrying amount	67,685		73,796

The outstanding principal balance and related carrying amount of acquired impaired loans, for which the Company applies ASC 310-30 to account for interest earned, as of the indicated dates are as follows (dollars in thousands):

	March 31, 2018		December 31, 2017
Outstanding principal balance	$	26,229	$	27,876
Carrying amount	22,034		23,430

Schedule of changes in the accretable yield on acquired impaired loans

The following table presents changes in the accretable yield on acquired impaired loans, for which the Company applies FASB ASC 310-30, for the three months ended March 31, 2018 and the year ended December 31, 2017 (dollars in thousands):

	March 31, 2018			December 31, 2017
Balance at January 1	$	4,890		$	6,103
Accretion	(691		)	(3,117		)
Reclassification from nonaccretable difference	259			1,006
Other changes, net*	157			898
	$	4,615		$	4,890

* This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate acquired impaired loans, and discounted payoffs that occurred in the period.

Schedule of analysis by portfolio segment of the entity's past due loans

The following table shows an analysis by portfolio segment of the Company's past due loans at March 31, 2018 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	180	$	—	$	—	$	102	$	282	$	283,975	$	284,257
Commercial real estate:
Construction and land development	185		—		—		35		220		92,811		93,031
Commercial real estate	30		—		—		233		263		623,901		624,164
Residential:
Residential	230		11		255		1,005		1,501		205,755		207,256
Home equity	75		—		18		223		316		107,708		108,024
Consumer	41		—		—		—		41		4,448		4,489
Total	$	741	$	11	$	273	$	1,598	$	2,623	$	1,318,598	$	1,321,221

The following table shows an analysis by portfolio segment of the Company's past due loans at December 31, 2017 (dollars in thousands):

	30- 59 Days Past Due		60-89 Days Past Due		90 Days + Past Due and Still Accruing		Non- Accrual Loans		Total Past Due		Current		Total Loans
Commercial	$	92	$	—	$	—	$	90	$	182	$	251,484	$	251,666
Commercial real estate:
Construction and land development	—		—		—		36		36		123,111		123,147
Commercial real estate	86		—		280		489		855		636,846		637,701
Residential:
Residential	282		71		79		1,343		1,775		207,551		209,326
Home equity	141		16		—		243		400		109,457		109,857
Consumer	21		5		—		—		26		4,402		4,428
Total	$	622	$	92	$	359	$	2,201	$	3,274	$	1,332,851	$	1,336,125

Schedule of impaired loan balances by portfolio segment

The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at March 31, 2018 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	—	$	—	$	—	$	3	$	—
Commercial real estate:
Construction and land development	—		—		—		—		—
Commercial real estate	529		526		—		660		10
Residential:
Residential	1,209		1,211		—		963		8
Home equity	140		141		—		141		3
Consumer	4		4		—		5		—
	$	1,882	$	1,882	$	—	$	1,772	$	21
With a related allowance recorded:
Commercial	$	122	$	121	$	60	$	162	$	1
Commercial real estate:
Construction and land development*	35		36		—		36		—
Commercial real estate*	29		29		—		31		—
Residential
Residential	151		151		11		607		2
Home equity	243		245		89		233		1
Consumer	—		—		—		—		—
	$	580	$	582	$	160	$	1,069	$	4
Total:
Commercial	$	122	$	121	$	60	$	165	$	1
Commercial real estate:
Construction and land development	35		36		—		36		—
Commercial real estate	558		555		—		691		10
Residential:
Residential	1,360		1,362		11		1,570		10
Home equity	383		386		89		374		4
Consumer	4		4		—		5		—
	$	2,462	$	2,464	$	160	$	2,841	$	25

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

The following table presents the Company's impaired loan balances by portfolio segment, excluding acquired impaired loans, at December 31, 2017 (dollars in thousands):

	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
With no related allowance recorded:
Commercial	$	4	$	4	$	—	$	19	$	1
Commercial real estate:
Construction and land development	—		—		—		56		4
Commercial real estate	791		789		—		1,069		66
Residential:
Residential	717		719		—		575		41
Home equity	142		142		—		109		10
Consumer	5		5		—		6		1
	$	1,659	$	1,659	$	—	$	1,834	$	123
With a related allowance recorded:
Commercial	$	202	$	201	$	154	$	150	$	16
Commercial real estate:
Construction and land development*	37		37		—		56		—
Commercial real estate*	34		32		—		126		11
Residential:
Residential	1,022		1,022		12		1,174		27
Home equity	263		261		1		251		1
Consumer*	—		—		—		5		—
	$	1,558	$	1,553	$	167	$	1,762	$	55
Total:
Commercial	$	206	$	205	$	154	$	169	$	17
Commercial real estate:
Construction and land development	37		37		—		112		4
Commercial real estate	825		821		—		1,195		77
Residential:
Residential	1,739		1,741		12		1,749		68
Home equity	405		403		1		360		11
Consumer	5		5		—		11		1
	$	3,217	$	3,212	$	167	$	3,596	$	178

* Allowance is reported as zero in the table due to presentation in thousands and rounding.

Schedule of detail of loans modified as troubled debt restructurings

The following tables show the detail of loans modified as troubled debt restructurings ("TDRs") during the three months ended March 31, 2018 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2018
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	—	$	—	$	—
Commercial real estate	—	—		—
Construction and land development	—	—		—
Home Equity	—	—		—
Residential real estate	1	11		11
Consumer	—	—		—
Total	1	$	11	$	11

The following tables show the detail of loans modified as TDRs during the three months ended March 31, 2017 included in the impaired loan balances (dollars in thousands):

	Loans Modified as a TDR for the
	Three Months Ended March 31, 2017
Loan Type	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Commercial	5	$	212	$	212
Commercial real estate	—	—		—
Construction and land development	—	—		57
Home Equity	2	57		36
Residential real estate	1	36		—
Consumer	—	—		—
Total	8	$	305	$	305

Schedule of commercial loan portfolio broken down by internal risk grading

The following table shows the Company's loan portfolio broken down by internal risk grading as of March 31, 2018 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	280,908	$	88,229	$	614,695	$	200,488	$	107,053
Special Mention	2,353		2,625		4,602		2,194		—
Substandard	996		2,177		4,867		4,574		971
Doubtful	—		—		—		—		—
Total	$	284,257	$	93,031	$	624,164	$	207,256	$	108,024

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,489
Nonperforming	—
Total	$	4,489

The following table shows the Company's loan portfolio broken down by internal risk grading as of December 31, 2017 (dollars in thousands):

Commercial and Consumer Credit Exposure

Credit Risk Profile by Internally Assigned Grade

	Commercial		Construction and Land Development		Commercial Real Estate Other		Residential		Home Equity
Pass	$	248,714	$	114,502	$	625,861	$	200,405	$	107,705
Special Mention	1,763		7,114		6,914		4,438		1,325
Substandard	1,189		1,531		4,926		4,483		827
Doubtful	—		—		—		—		—
Total	$	251,666	$	123,147	$	637,701	$	209,326	$	109,857

Consumer Credit Exposure

Credit Risk Profile Based on Payment Activity

	Consumer
Performing	$	4,415
Nonperforming	13
Total	$	4,428

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Allowance for Loan Losses and Reserve for Unfunded Lending Commitments (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Schedule of changes in the allowance for loan losses

Changes in the allowance for loan losses and the reserve for unfunded lending commitments as of the indicated dates and periods are presented below (dollars in thousands):

	Three Months Ended   March 31, 2018			Year Ended December 31, 2017			Three Months Ended   March 31, 2017
Allowance for Loan Losses
Balance, beginning of period	$	13,603		$	12,801		$	12,801
Provision for loan losses	(44		)	1,016			300
Charge-offs	(44		)	(690		)	(49		)
Recoveries	60			476			56
Balance, end of period	$	13,575		$	13,603		$	13,108
Reserve for Unfunded Lending Commitments
Balance, beginning of period	$	206		$	203		$	203
Provision for unfunded commitments	5			3			3
Charge-offs	—			—			—
Balance, end of period	$	211		$	206		$	206

The reserve for unfunded loan commitments is included in other liabilities.

The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the three months ended March 31, 2018 (dollars in thousands):

	Commercial		Commercial Real Estate			Residential Real Estate		Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2017:	$	2,413	$	8,321		$	2,825	$	44		$	13,603
Provision for loan losses	254		(400		)	97		5			(44		)
Charge-offs	—		(11		)	—		(33		)	(44		)
Recoveries	10		1			20		29			60
Balance at March 31, 2018:	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Balance at March 31, 2018:
Allowance for Loan Losses
Individually evaluated for impairment	$	60	$	—		$	100	$	—		$	160
Collectively evaluated for impairment	2,617		7,868			2,644		45			13,174
Acquired impaired loans	—		43			198		—			241
Total	$	2,677	$	7,911		$	2,942	$	45		$	13,575
Loans
Individually evaluated for impairment	$	122	$	593		$	1,743	$	4		$	2,462
Collectively evaluated for impairment	283,823		705,704			302,728		4,470			1,296,725
Acquired impaired loans	312		10,898			10,809		15			22,034
Total	$	284,257	$	717,195		$	315,280	$	4,489		$	1,321,221

The following table presents changes in the Company's allowance for loan losses by portfolio segment and the related loan balance total by segment at and for the year ended December 31, 2017 (dollars in thousands):

	Commercial			Commercial Real Estate			Residential Real Estate			Consumer			Total
Allowance for Loan Losses
Balance at December 31, 2016:	$	2,095		$	7,355		$	3,303		$	48		$	12,801
Provision for loan losses	377			999			(391		)	31			1,016
Charge-offs	(282		)	(93		)	(172		)	(143		)	(690		)
Recoveries	223			60			85			108			476
Balance at December 31, 2017:	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Balance at December 31, 2017:
Allowance for Loan Losses
Individually evaluated for impairment	$	154		$	—		$	13		$	—		$	167
Collectively evaluated for impairment	2,259			8,203			2,645			44			13,151
Acquired impaired loans	—			118			167			—			285
Total	$	2,413		$	8,321		$	2,825		$	44		$	13,603
Loans
Individually evaluated for impairment	$	206		$	862		$	2,144		$	5		$	3,217
Collectively evaluated for impairment	251,185			747,819			306,066			4,408			1,309,478
Acquired impaired loans	275			12,167			10,973			15			23,430
Total	$	251,666		$	760,848		$	319,183		$	4,428		$	1,336,125

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amount of goodwill and intangibles

The changes in the carrying amount of goodwill and intangibles for the three months ended March 31, 2018, are as follows (dollars in thousands):

	Goodwill		Intangibles
Balance at December 31, 2017	$	43,872	$	1,191
Additions	—		—
Amortization	—		(77		)
Impairment	—		—
Balance at March 31, 2018	$	43,872	$	1,114

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Short-term Borrowings (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of short-term borrowings

Short-term borrowings consisted of the following at March 31, 2018 and December 31, 2017 (dollars in thousands):

	March 31, 2018		December 31, 2017
Customer repurchase agreements	$	10,466	$	10,726
Other short-term borrowings	—		24,000
	$	10,466	$	34,726

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Junior Subordinated Debt (Tables)

3 Months Ended

Mar. 31, 2018

Trust Preferred Capital Notes [Abstract]

Schedule of junior subordinated debt securities outstanding payable

A description of the junior subordinated debt securities outstanding payable to the trusts is shown below as of March 31, 2018 and December 31, 2017 (dollars in thousands):

Issuing Entity	Date Issued	Interest Rate		Maturity Date	Principal Amount
					March 31, 2018		December 31, 2017
AMNB Trust I	4/7/2006	Libor plus	1.35%	6/30/2036	$	20,619	$	20,619
MidCarolina Trust I	10/29/2002	Libor plus	3.45%	11/7/2032	4,335		4,322
MidCarolina Trust II	12/3/2003	Libor plus	2.95%	10/7/2033	2,897		2,885
					$	27,851	$	27,826

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Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of summary of stock option transactions

A summary of stock option transactions for the three months ended March 31, 2018 is as follows:

	Option Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2017	50,985		$	24.09
Acquired in acquisition	—		—
Granted	—		—
Exercised	(3,300	)	25.76
Forfeited	—		—
Expired	(1,650	)	33.33
Outstanding at March 31, 2018	46,035		$	23.64	0.59 years	$	643
Exercisable at March 31, 2018	46,035		$	23.64	0.59 years	$	643

Schedule of nonvested restricted stock activity

Nonvested restricted stock activity for the three months ended March 31, 2018 is summarized in the following table.

Restricted Stock	Shares		Weighted Average Grant Date Value
Nonvested at December 31, 2017	46,501		$	26.28
Granted	18,192		39.52
Vested	(10,101	)	21.62
Forfeited	(483	)	34.70
Nonvested at March 31, 2018	54,109		$	31.53

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per share

The following table presents basic and diluted earnings per share for the three month periods ended March 31, 2018 and 2017.

	Three Months Ended March 31,
	2018			2017
	Shares	Per Share Amount		Shares	Per Share Amount
Basic earnings per share	8,669,728	$	0.67	8,633,219	$	0.47
Effect of dilutive securities - stock options	17,623	—		17,920	—
Diluted earnings per share	8,687,351	$	0.67	8,651,139	$	0.47

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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Schedule of components of net periodic benefit cost

The following information for the three months ended March 31, 2018 and 2017 pertains to the Company's non-contributory defined benefit pension plan which was frozen in 2009.  If lump sum payments exceed the service cost plus interest cost, an additional settlement charge will apply (dollars in thousands):

Components of Net Periodic Benefit Cost	Three Months Ended March 31,
	2018			2017
Service cost	$	—		$	—
Interest cost	51			59
Expected return on plan assets	(64		)	(88		)
Recognized loss due to settlement	25			35
Recognized net actuarial loss	68			54
Net periodic cost	$	80		$	60

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Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities measured on recurring basis

The following table presents the balances of financial assets measured at fair value on a recurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	108,627	$	—	$	108,627	$	—
Mortgage-backed and CMOs	108,421		—		108,421		—
State and municipal	85,322		—		85,322		—
Corporate	7,978		—		7,978		—
Total securities available for sale	$	310,348	$	—	$	310,348	$	—
Equity securities	$	2,320	$	—	$	2,320	$	—

	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Securities available for sale:
Federal agencies and GSEs	$	112,127	$	—	$	112,127	$	—
Mortgage-backed and CMOs	105,316		—		105,316		—
State and municipal	93,626		—		93,626		—
Corporate	8,062		—		8,062		—
Equity securities	2,206		—		2,206		—
Total securities available for sale	$	321,337	$	—	$	321,337	$	—

Schedule of assets that were measured at fair value on a nonrecurring basis

The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis at the dates indicated (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
	Balance at March 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2018		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,792	$	—	$	1,792	$	—
Impaired loans, net of valuation allowance	420		—		—		420
Other real estate owned, net	1,716		—		—		1,716

	Fair Value Measurements at December 31, 2017 Using
	Balance at December 31,		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
Description	2017		Level 1		Level 2		Level 3
Assets:
Loans held for sale	$	1,639	$	—	$	1,639	$	—
Impaired loans, net of valuation allowance	1,391		—		—		1,391
Other real estate owned, net	1,225		—		—		1,225

Schedule of quantitative information of assets measured at Level 3

The following tables summarize the Company's quantitative information about Level 3 fair value measurements at the dates indicated:

Quantitative Information About Level 3 Fair Value Measurements at March 31, 2018

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

Quantitative Information About Level 3 Fair Value Measurements at December 31, 2017

Assets	Valuation Technique	Unobservable Input	Rate
Impaired loans	Discounted appraised value	Selling cost	8.00%
	Discounted cash flow analysis	Market rate for borrower (discount rate)	3.25% - 9.80%
Other real estate owned, net	Discounted appraised value	Selling cost	8.00%

Schedule of carrying values and estimated fair values of the entity's financial instruments

The carrying values and the exit pricing concept fair values of the Company's financial instruments at March 31, 2018 are as follows (dollars in thousands):

	Fair Value Measurements at March 31, 2018 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	76,653	$	76,653	$	—	$	—	$	76,653
Equity securities	2,320				2,320				2,320
Securities available for sale	310,348		—		310,348		—		310,348
Restricted stock	5,221		—		5,221		—		5,221
Loans held for sale	1,792		—		1,792		—		1,792
Loans, net of allowance	1,307,646		—		—		1,305,037		1,305,037
Bank owned life insurance	18,566		—		18,566		—		18,566
Accrued interest receivable	4,945		—		4,945		—		4,945
Financial Liabilities:
Deposits	$	1,559,251	$	—	$	1,566,012	$	—	$	1,566,012
Repurchase agreements	10,466		—		10,466		—		10,466
Junior subordinated debt	27,851		—		—		21,801		21,801
Accrued interest payable	698		—		698		—		698

The carrying values and estimated fair values of the Company's financial instruments at December 31, 2017 are as follows (dollars in thousands):

	Fair Value Measurements at December 31, 2017 Using
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs		Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Balance
Financial Assets:
Cash and cash equivalents	$	52,477	$	52,477	$	—	$	—	$	52,477
Securities available for sale	321,337		—		321,337		—		321,337
Restricted stock	6,110		—		6,110		—		6,110
Loans held for sale	1,639		—		1,639		—		1,639
Loans, net of allowance	1,322,522		—		—		1,317,737		1,317,737
Bank owned life insurance	18,460		—		18,460		—		18,460
Accrued interest receivable	5,231		—		5,231		—		5,231
Financial Liabilities:
Deposits	$	1,534,726	$	—	$	1,527,956	$	—	$	1,527,956
Repurchase agreements	10,726		—		10,726		—		10,726
Other short-term borrowings	24,000		—		24,000		—		24,000
Junior subordinated debt	27,826		—		—		28,358		28,358
Accrued interest payable	674		—		674		—		674

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Segment and Related Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of segment information

Segment information as of and for the three months ended March 31, 2018 and 2017 (unaudited), is shown in the following tables (dollars in thousands):

	Three Months Ended March 31, 2018
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	16,580	$	—	$	88		$	—		$	16,668
Interest expense	1,835		—		290			—			2,125
Noninterest income	2,063		1,151		119			—			3,333
Income (loss) before income taxes	7,026		453		(261		)	—			7,218
Net income (loss)	5,653		365		(206		)	—			5,812
Depreciation and amortization	540		3		—			—			543
Total assets	1,807,991		—		237,802			(228,219		)	1,817,574
Goodwill	43,872		—		—			—			43,872
Capital expenditures	345		—		—			—			345

	Three Months Ended March 31, 2017
	Community Banking		Trust and Investment Services		Other			Intersegment Eliminations			Total
Interest income	$	14,596	$	—	$	85		$	—		$	14,681
Interest expense	1,308		—		239			—			1,547
Noninterest income	2,161		1,104		6			—			3,271
Income (loss) before income taxes	5,457		541		(334		)	—			5,664
Net income (loss)	3,896		388		(221		)	—			4,063
Depreciation and amortization	606		3		—			—			609
Total assets	1,706,564		—		232,206			(222,965		)	1,715,805
Goodwill	43,872		—		—			—			43,872
Capital expenditures	657		6		—			—			663

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Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of supplemental disclosure of cash flow information

	Three Months Ended   March 31,
	2018			2017
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$	18,772		$	27,418
Interest-bearing deposits in other banks	57,881			67,372
Cash and Cash Equivalents	$	76,653		$	94,790
Supplemental Disclosure of Cash Flow Information:
Cash paid for:
Interest on deposits and borrowed funds	$	2,101		$	1,596
Noncash investing and financing activities:
Transfer of loans to other real estate owned	532			402
Unrealized (losses) gains on securities available for sale	(3,742		)	752

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Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Components of accumulated other comprehensive income (loss)

Changes in each component of accumulated other comprehensive income ("AOCI") for the three months ended March 31, 2018 and 2017 (unaudited) were as follows (dollars in thousands):

For the Three Months Ended	Net Unrealized Gains (Losses) on Securities			Adjustments Related to Pension Benefits			Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2016	$	(150	)	$	(1,724	)	$	(1,874	)
Net unrealized gains on securities available for sale, net of tax, $354	657			—			657
Reclassification adjustment for realized gains on securities, net of tax, $(91)	(168		)	—			(168		)
Balance at March 31, 2017	$	339		$	(1,724	)	$	(1,385	)
Balance at December 31, 2017	$	(796	)	$	(2,280	)	$	(3,076	)
Net unrealized losses on securities available for sale, net of tax, $(861)	(2,873		)	—			(2,873		)
Reclassification adjustment for realized gains on securities, net of tax, $(2)	(6		)	—			(6		)
Reclassification for ASU 2016-01 adoption	(650		)	—			(650		)
Balance at March 31, 2018	$	(4,325	)	$	(2,280	)	$	(6,605	)

Reclassifications out of accumulated other comprehensive income

Reclassifications Out of Accumulated Other Comprehensive Income

For the three months ended March 31, 2018 and 2017

(dollars in thousands)

For the Three Months Ended March 31, 2018	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	8		Securities gains, net
	(2		)	Income taxes
	6
Reclassification for ASU 2016-01 adoption	650			*
Total reclassifications	$	656		Net of tax

* Reclassification from AOCI to retained earnings for unrealized holding gains on equity securities due to adoption of ASU 2016-01.

For the Three Months Ended March 31, 2017	Amount Reclassified from AOCI			Affected Line Item in the Statement of Where Net Income is Presented
Details about AOCI Components
Available for sale securities:
Realized gain on sale of securities	$	259		Securities gains, net
	(91		)	Income taxes
Total reclassifications	$	168		Net of tax

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Accounting Policies Accounting Policies (Details) - USD ($) $ in Thousands	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings		$ 0
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings	$ (650)	(650)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment to retained earnings	$ 650	$ 650

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Securities - Schedule of Amortized Cost and Fair Value of Investments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Securities available for sale:
Amortized Cost		$ 315,922
Unrealized Gains		1,202
Unrealized Losses		6,776
Fair Value		310,348
Equity securities, at fair value		2,320		$ 0	[1]
Unrealized holding gains on equity securities		113	$ 0
Amortized Cost				322,345
Unrealized Gains				2,620
Unrealized Losses				3,628
Fair Value	[1]			321,337
Federal agencies and GSEs
Securities available for sale:
Amortized Cost		112,141
Unrealized Gains		2
Unrealized Losses		3,516
Fair Value		108,627
Amortized Cost				114,246
Unrealized Gains				8
Unrealized Losses				2,127
Fair Value				112,127
Mortgage-backed and CMOs
Securities available for sale:
Amortized Cost		110,832
Unrealized Gains		200
Unrealized Losses		2,611
Fair Value		108,421
Amortized Cost				106,163
Unrealized Gains				293
Unrealized Losses				1,140
Fair Value				105,316
State and municipal
Securities available for sale:
Amortized Cost		85,115
Unrealized Gains		828
Unrealized Losses		621
Fair Value		85,322
Amortized Cost				92,711
Unrealized Gains				1,262
Unrealized Losses				347
Fair Value				93,626
Corporate
Securities available for sale:
Amortized Cost		7,834
Unrealized Gains		172
Unrealized Losses		28
Fair Value		$ 7,978
Amortized Cost				7,842
Unrealized Gains				234
Unrealized Losses				14
Fair Value				8,062
Equity securities
Securities available for sale:
Amortized Cost				1,383
Unrealized Gains				823
Unrealized Losses				0
Fair Value				$ 2,206

[1] Derived from audited consolidated financial statements.

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Securities - Additional Information (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) security	Dec. 31, 2017 USD ($)
Investments, Debt and Equity Securities [Abstract]
FHLB stock requirement, percentage of outstanding capital	3.00%
FHLB stock requirement, percentage subject to call	3.00%
FHLB stock requirement, percentage of outstanding borrowings	4.25%
Schedule of Available-for-sale Securities [Line Items]
Other-than-temporary impairment losses recognized | $	$ 0	$ 0
Federal agencies and GSEs
Schedule of Available-for-sale Securities [Line Items]
Number of securities with unrealized losses	23
Number of securities in unrealized loss position for 12 months or more	12
Mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Number of securities with unrealized losses	65
Number of securities in unrealized loss position for 12 months or more	16
Collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Number of securities with unrealized losses	2
Number of securities in unrealized loss position for 12 months or more	1
State and municipal securities
Schedule of Available-for-sale Securities [Line Items]
Number of securities with unrealized losses	60
Number of securities in unrealized loss position for 12 months or more	11
Corporate securities
Schedule of Available-for-sale Securities [Line Items]
Number of securities with unrealized losses	2

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Securities - Cost of Restricted Stock (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Total restricted stock	$ 5,221	$ 6,110	[1]
FRB stock
Schedule of Investments [Line Items]
Total restricted stock	3,595	3,587
FHLB stock
Schedule of Investments [Line Items]
Total restricted stock	$ 1,626	$ 2,523

[1] Derived from audited consolidated financial statements.

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Securities - Fair Value and Gross Unrealized Losses by Investment Category and Length of Time (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Debt Securities
Total	$ 243,255
Less than 12 Months	157,662
12 Months or More	85,594
Unrealized Loss, Debt Securities
Total	6,776
Less than 12 Months	2,747
12 Months or More	4,029
Fair Value, Debt and Equity Securities
Total		$ 226,018
Less than 12 Months		137,860
12 Months or More		88,158
Unrealized Loss, Debt and Equity Securities
Total		3,628
Less than 12 Months		1,018
12 Months or More		2,610
Federal agencies and GSEs
Fair Value, Debt Securities
Total	103,732
Less than 12 Months	50,944
12 Months or More	52,789
Unrealized Loss, Debt Securities
Total	3,516
Less than 12 Months	835
12 Months or More	2,681
Fair Value, Debt and Equity Securities
Total		99,133
Less than 12 Months		45,474
12 Months or More		53,659
Unrealized Loss, Debt and Equity Securities
Total		2,127
Less than 12 Months		321
12 Months or More		1,806
Mortgage-backed and CMOs
Fair Value, Debt Securities
Total	99,661
Less than 12 Months	74,839
12 Months or More	24,822
Unrealized Loss, Debt Securities
Total	2,611
Less than 12 Months	1,602
12 Months or More	1,009
Fair Value, Debt and Equity Securities
Total		90,806
Less than 12 Months		64,449
12 Months or More		26,357
Unrealized Loss, Debt and Equity Securities
Total		1,140
Less than 12 Months		533
12 Months or More		607
State and municipal
Fair Value, Debt Securities
Total	38,355
Less than 12 Months	31,395
12 Months or More	6,960
Unrealized Loss, Debt Securities
Total	621
Less than 12 Months	294
12 Months or More	327
Fair Value, Debt and Equity Securities
Total		34,550
Less than 12 Months		27,442
12 Months or More		7,108
Unrealized Loss, Debt and Equity Securities
Total		347
Less than 12 Months		159
12 Months or More		188
Corporate
Fair Value, Debt Securities
Total	1,507
Less than 12 Months	484
12 Months or More	1,023
Unrealized Loss, Debt Securities
Total	28
Less than 12 Months	16
12 Months or More	$ 12
Fair Value, Debt and Equity Securities
Total		1,529
Less than 12 Months		495
12 Months or More		1,034
Unrealized Loss, Debt and Equity Securities
Total		14
Less than 12 Months		5
12 Months or More		$ 9

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Securities - Schedule of Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Realized gains (losses):
Gross realized gains	$ 105
Gross realized losses	(97)
Net realized gains	8
Gross realized gains		$ 260
Gross realized losses		(1)
Net realized gains		259
Proceeds from sales of securities available for sale	$ 22,066	$ 41,519

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Loans - Schedule of Loans Excluding Loans Held for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 1,321,221	$ 1,336,125	[1]
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	284,257	251,666
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	717,195	760,848
Commercial real estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	93,031	123,147
Commercial real estate | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	624,164	637,701
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	315,280	319,183
Residential real estate | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	207,256	209,326
Residential real estate | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	108,024	109,857
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 4,489	$ 4,428

[1] Derived from audited consolidated financial statements.

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Loans - Outstanding Principal and Carrying Amount of Acquired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Outstanding principal balance and the carrying amount of loan acquired [Abstract]
Outstanding principal balance	$ 73,058	$ 79,523
Carrying amount	67,685	73,796
Outstanding principal balance and the carrying amount of loan acquired, impaired [Abstract]
Outstanding principal balance	26,229	27,876
Carrying amount	$ 22,034	$ 23,430

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Loans - Accretable Yield on Acquired Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Changes in the accretable discount on acquired loans [Abstract]
Beginning balance	$ 4,890	$ 6,103
Accretion	(691)	(3,117)
Reclassification from nonaccretable difference	259	1,006
Other changes, net	157	898
Ending balance	$ 4,615	$ 4,890

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Loans - Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	$ 2,623	$ 3,274
90 Days Past Due and Still Accruing	273	359
Non- Accrual Loans	1,598	2,201
Current	1,318,598	1,332,851
Total Loans	1,321,221	1,336,125	[1]
Commercial
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	282	182
90 Days Past Due and Still Accruing	0	0
Non- Accrual Loans	102	90
Current	283,975	251,484
Total Loans	284,257	251,666
Commercial real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Loans	717,195	760,848
Commercial real estate | Construction and land development
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	220	36
90 Days Past Due and Still Accruing	0	0
Non- Accrual Loans	35	36
Current	92,811	123,111
Total Loans	93,031	123,147
Commercial real estate | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	263	855
90 Days Past Due and Still Accruing	0	280
Non- Accrual Loans	233	489
Current	623,901	636,846
Total Loans	624,164	637,701
Residential
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Loans	315,280	319,183
Residential | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	1,501	1,775
90 Days Past Due and Still Accruing	255	79
Non- Accrual Loans	1,005	1,343
Current	205,755	207,551
Total Loans	207,256	209,326
Residential | Home equity
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	316	400
90 Days Past Due and Still Accruing	18	0
Non- Accrual Loans	223	243
Current	107,708	109,457
Total Loans	108,024	109,857
Consumer
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	41	26
90 Days Past Due and Still Accruing	0	0
Non- Accrual Loans	0	0
Current	4,448	4,402
Total Loans	4,489	4,428
30- 59 Days Past Due
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	741	622
30- 59 Days Past Due | Commercial
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	180	92
30- 59 Days Past Due | Commercial real estate | Construction and land development
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	185	0
30- 59 Days Past Due | Commercial real estate | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	30	86
30- 59 Days Past Due | Residential | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	230	282
30- 59 Days Past Due | Residential | Home equity
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	75	141
30- 59 Days Past Due | Consumer
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	41	21
60-89 Days Past Due
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	11	92
60-89 Days Past Due | Commercial
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	0	0
60-89 Days Past Due | Commercial real estate | Construction and land development
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	0	0
60-89 Days Past Due | Commercial real estate | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	0	0
60-89 Days Past Due | Residential | Real estate
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	11	71
60-89 Days Past Due | Residential | Home equity
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	0	16
60-89 Days Past Due | Consumer
Analysis by portfolio segment of the entity's past due loans [Abstract]
Total Past Due	$ 0	$ 5

[1] Derived from audited consolidated financial statements.

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Loans - Impaired Loan Balances By Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Recorded Investment
Impaired loan, with no related allowance, recorded investment	$ 1,882	$ 1,659
Impaired loan, with related allowance, recorded investment	580	1,558
Impaired loan, total, recorded investment	2,462	3,217
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	1,882	1,659
Impaired loan, with related allowance, unpaid principal balance	582	1,553
Impaired loan, total, unpaid principal balance	2,464	3,212
Impaired loan, total, related allowance	160	167
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	1,772	1,834
Impaired loan, with related allowance, average recorded investment	1,069	1,762
Impaired loan, total, average recorded investment	2,841	3,596
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	21	123
Impaired loan, with related allowance, interest income recognized	4	55
Impaired loan, total, interest income recognized	25	178
Commercial
Recorded Investment
Impaired loan, with no related allowance, recorded investment	0	4
Impaired loan, with related allowance, recorded investment	122	202
Impaired loan, total, recorded investment	122	206
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	0	4
Impaired loan, with related allowance, unpaid principal balance	121	201
Impaired loan, total, unpaid principal balance	121	205
Impaired loan, total, related allowance	60	154
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	3	19
Impaired loan, with related allowance, average recorded investment	162	150
Impaired loan, total, average recorded investment	165	169
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	0	1
Impaired loan, with related allowance, interest income recognized	1	16
Impaired loan, total, interest income recognized	1	17
Commercial real estate | Construction and land development
Recorded Investment
Impaired loan, with no related allowance, recorded investment	0	0
Impaired loan, with related allowance, recorded investment	35	37
Impaired loan, total, recorded investment	35	37
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	0	0
Impaired loan, with related allowance, unpaid principal balance	36	37
Impaired loan, total, unpaid principal balance	36	37
Impaired loan, total, related allowance	0	0
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	0	56
Impaired loan, with related allowance, average recorded investment	36	56
Impaired loan, total, average recorded investment	36	112
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	0	4
Impaired loan, with related allowance, interest income recognized	0	0
Impaired loan, total, interest income recognized	0	4
Commercial real estate | Real estate
Recorded Investment
Impaired loan, with no related allowance, recorded investment	529	791
Impaired loan, with related allowance, recorded investment	29	34
Impaired loan, total, recorded investment	558	825
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	526	789
Impaired loan, with related allowance, unpaid principal balance	29	32
Impaired loan, total, unpaid principal balance	555	821
Impaired loan, total, related allowance	0	0
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	660	1,069
Impaired loan, with related allowance, average recorded investment	31	126
Impaired loan, total, average recorded investment	691	1,195
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	10	66
Impaired loan, with related allowance, interest income recognized	0	11
Impaired loan, total, interest income recognized	10	77
Residential | Real estate
Recorded Investment
Impaired loan, with no related allowance, recorded investment	1,209	717
Impaired loan, with related allowance, recorded investment	151	1,022
Impaired loan, total, recorded investment	1,360	1,739
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	1,211	719
Impaired loan, with related allowance, unpaid principal balance	151	1,022
Impaired loan, total, unpaid principal balance	1,362	1,741
Impaired loan, total, related allowance	11	12
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	963	575
Impaired loan, with related allowance, average recorded investment	607	1,174
Impaired loan, total, average recorded investment	1,570	1,749
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	8	41
Impaired loan, with related allowance, interest income recognized	2	27
Impaired loan, total, interest income recognized	10	68
Residential | Home equity
Recorded Investment
Impaired loan, with no related allowance, recorded investment	140	142
Impaired loan, with related allowance, recorded investment	243	263
Impaired loan, total, recorded investment	383	405
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	141	142
Impaired loan, with related allowance, unpaid principal balance	245	261
Impaired loan, total, unpaid principal balance	386	403
Impaired loan, total, related allowance	89	1
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	141	109
Impaired loan, with related allowance, average recorded investment	233	251
Impaired loan, total, average recorded investment	374	360
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	3	10
Impaired loan, with related allowance, interest income recognized	1	1
Impaired loan, total, interest income recognized	4	11
Consumer
Recorded Investment
Impaired loan, with no related allowance, recorded investment	4	5
Impaired loan, with related allowance, recorded investment	0	0
Impaired loan, total, recorded investment	4	5
Unpaid Principal Balance
Impaired loan, with no related allowance, unpaid principal balance	4	5
Impaired loan, with related allowance, unpaid principal balance	0	0
Impaired loan, total, unpaid principal balance	4	5
Impaired loan, total, related allowance	0	0
Average Recorded Investment
Impaired loan, with no related allowance, average recorded investment	5	6
Impaired loan, with related allowance, average recorded investment	0	5
Impaired loan, total, average recorded investment	5	11
Interest Income Recognized
Impaired loan, with no related allowance, interest income recognized	0	1
Impaired loan, with related allowance, interest income recognized	0	0
Impaired loan, total, interest income recognized	$ 0	$ 1

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Loans - Loans Modified for Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) contract	Mar. 31, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	8
Pre-Modification Outstanding Recorded Investment	$ 11	$ 305
Post-Modification Outstanding Recorded Investment	$ 11	$ 305
Number of loans that subsequently defaulted within 12 months of modification | contract	0	0
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	5
Pre-Modification Outstanding Recorded Investment	$ 0	$ 212
Post-Modification Outstanding Recorded Investment	$ 0	$ 212
Commercial real estate | Real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Commercial real estate | Construction and land development
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 57
Residential | Real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1	1
Pre-Modification Outstanding Recorded Investment	$ 11	$ 36
Post-Modification Outstanding Recorded Investment	$ 11	$ 0
Residential | Home equity
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	2
Pre-Modification Outstanding Recorded Investment	$ 0	$ 57
Post-Modification Outstanding Recorded Investment	$ 0	$ 36
Consumer
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0

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Loans - Residential Real Estate in Process of Foreclosures (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Receivables [Abstract]
Residential real estate in process of foreclosure	$ 259
Residential OREO	$ 1,150	$ 629

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Loans - Loans Portfolio by Internal Risk Grading (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,321,221	$ 1,336,125	[1]
Commercial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	284,257	251,666
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	717,195	760,848
Commercial real estate | Construction and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	93,031	123,147
Commercial real estate | Other
Financing Receivable, Recorded Investment [Line Items]
Total Loans	624,164	637,701
Commercial real estate | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	624,164	637,701
Residential
Financing Receivable, Recorded Investment [Line Items]
Total Loans	315,280	319,183
Residential | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	207,256	209,326
Residential | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total Loans	108,024	109,857
Consumer
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,489	4,428
Consumer | Performing
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,489	4,415
Consumer | Nonperforming
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	13
Pass | Commercial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	280,908	248,714
Pass | Commercial real estate | Construction and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	88,229	114,502
Pass | Commercial real estate | Other
Financing Receivable, Recorded Investment [Line Items]
Total Loans	614,695	625,861
Pass | Residential | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	200,488	200,405
Pass | Residential | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total Loans	107,053	107,705
Special Mention | Commercial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,353	1,763
Special Mention | Commercial real estate | Construction and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,625	7,114
Special Mention | Commercial real estate | Other
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,602	6,914
Special Mention | Residential | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,194	4,438
Special Mention | Residential | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	1,325
Substandard | Commercial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	996	1,189
Substandard | Commercial real estate | Construction and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,177	1,531
Substandard | Commercial real estate | Other
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,867	4,926
Substandard | Residential | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,574	4,483
Substandard | Residential | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total Loans	971	827
Doubtful | Commercial
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Construction and land development
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Commercial real estate | Other
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Residential | Real estate
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Doubtful | Residential | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 0	$ 0

[1] Derived from audited consolidated financial statements.

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Allowance for Loan Losses and Reserve for Unfunded Lending Commitments (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2018		Mar. 31, 2017	Dec. 31, 2017		Mar. 31, 2018	Dec. 31, 2017
Allowance for Loan Losses
Balance, beginning of period	$ 13,603	[1]	$ 12,801	$ 12,801
Provision for loan losses	(44)		300	1,016
Charge-offs	(44)		(49)	(690)
Recoveries	60		56	476
Balance, end of period	13,575		13,108	13,603	[1]
Reserve for Unfunded Lending Commitments
Balance, beginning of period	206		203	203
Provision for unfunded commitments	5		3	3
Charge-offs	0		0	0
Balance, end of period	211		206	206
Allowance for Loan Losses
Individually evaluated for impairment						$ 160	$ 167
Collectively evaluated for impairment						13,174	13,151
Total	13,603	[1]	12,801	12,801		13,575	13,603	[1]
Loans
Individually evaluated for impairment						2,462	3,217
Collectively evaluated for impairment						1,296,725	1,309,478
Total Loans						1,321,221	1,336,125	[1]
Acquired impaired loans
Allowance for Loan Losses
Balance, beginning of period	285
Balance, end of period	241			285
Allowance for Loan Losses
Total	285			285		241	285
Loans
Total Loans						22,034	23,430
Commercial
Allowance for Loan Losses
Balance, beginning of period	2,413		2,095	2,095
Provision for loan losses	254			377
Charge-offs	0			(282)
Recoveries	10			223
Balance, end of period	2,677			2,413
Allowance for Loan Losses
Individually evaluated for impairment						60	154
Collectively evaluated for impairment						2,617	2,259
Total	2,413		2,095	2,095		2,677	2,413
Loans
Individually evaluated for impairment						122	206
Collectively evaluated for impairment						283,823	251,185
Total Loans						284,257	251,666
Commercial | Acquired impaired loans
Allowance for Loan Losses
Balance, beginning of period	0
Balance, end of period	0			0
Allowance for Loan Losses
Total	0			0		0	0
Loans
Total Loans						312	275
Commercial Real Estate
Allowance for Loan Losses
Balance, beginning of period	8,321		7,355	7,355
Provision for loan losses	(400)			999
Charge-offs	(11)			(93)
Recoveries	1			60
Balance, end of period	7,911			8,321
Allowance for Loan Losses
Individually evaluated for impairment						0	0
Collectively evaluated for impairment						7,868	8,203
Total	8,321		7,355	7,355		7,911	8,321
Loans
Individually evaluated for impairment						593	862
Collectively evaluated for impairment						705,704	747,819
Total Loans						717,195	760,848
Commercial Real Estate | Acquired impaired loans
Allowance for Loan Losses
Balance, beginning of period	118
Balance, end of period	43			118
Allowance for Loan Losses
Total	118			118		43	118
Loans
Total Loans						10,898	12,167
Residential Real Estate
Allowance for Loan Losses
Balance, beginning of period	2,825		3,303	3,303
Provision for loan losses	97			(391)
Charge-offs	0			(172)
Recoveries	20			85
Balance, end of period	2,942			2,825
Allowance for Loan Losses
Individually evaluated for impairment						100	13
Collectively evaluated for impairment						2,644	2,645
Total	2,825		3,303	3,303		2,942	2,825
Loans
Individually evaluated for impairment						1,743	2,144
Collectively evaluated for impairment						302,728	306,066
Total Loans						315,280	319,183
Residential Real Estate | Acquired impaired loans
Allowance for Loan Losses
Balance, beginning of period	167
Balance, end of period	198			167
Allowance for Loan Losses
Total	167			167		198	167
Loans
Total Loans						10,809	10,973
Consumer
Allowance for Loan Losses
Balance, beginning of period	44		48	48
Provision for loan losses	5			31
Charge-offs	(33)			(143)
Recoveries	29			108
Balance, end of period	45			44
Allowance for Loan Losses
Individually evaluated for impairment						0	0
Collectively evaluated for impairment						45	44
Total	44		$ 48	48		45	44
Loans
Individually evaluated for impairment						4	5
Collectively evaluated for impairment						4,470	4,408
Total Loans						4,489	4,428
Consumer | Acquired impaired loans
Allowance for Loan Losses
Balance, beginning of period	0
Balance, end of period	0			0
Allowance for Loan Losses
Total	$ 0			$ 0		0	0
Loans
Total Loans						$ 15	$ 15

[1] Derived from audited consolidated financial statements.

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Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended
		Jan. 31, 2015	Jul. 31, 2011	Mar. 31, 2018	Mar. 31, 2017
Goodwill
Beginning Balance	[1]			$ 43,872
Additions				0
Amortization				0
Impairment				0
Ending Balance				43,872	$ 43,872
Intangibles
Beginning Balance				1,191
Additions				0
Amortization				(77)	$ (165)
Impairment				0
Ending Balance				$ 1,114
MidCarolina
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible			$ 6,556
Amortization period of intangible			108 months
MainStreet BankShares, Inc.
Acquired Finite-Lived Intangible Assets [Line Items]
Core deposit intangible		$ 1,839
Amortization period of intangible		120 months

[1] Derived from audited consolidated financial statements.

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Short-term Borrowings (Details)	Mar. 31, 2018 USD ($) bank	Dec. 31, 2017 USD ($)
Debt Disclosure [Abstract]
Federal funds line of credit, number of banks | bank	2
Federal funds line of credit, amount per agreement	$ 15,000,000
Customer repurchase agreements	10,466,000	$ 10,726,000	[1]
Other short-term borrowings	0	24,000,000	[1]
Short-term borrowings	$ 10,466,000	$ 34,726,000

[1] Derived from audited consolidated financial statements.

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Long-term Borrowings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Long term advances with federal home loan bank [Abstract]
Percentage of entity's assets equal to line of credit facility	30.00%
Collateral pledged under blanket floating lien agreement	$ 561,422
Public deposit accounts	252,535
Federal Home Loan Bank Advances
Long term advances with federal home loan bank [Abstract]
Outstanding letters of credit	190,000
US government and agency securities
Long term advances with federal home loan bank [Abstract]
Outstanding letters of credit	$ 103,992

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Junior Subordinated Debt - Additional Information (Details) $ in Thousands	Sep. 30, 2011	Apr. 07, 2006 USD ($)	Mar. 31, 2018 USD ($)	Jul. 01, 2011 USD ($) trust
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Proceeds from issuance of trust preferred securities		$ 20,000
Number of consecutive quarterly periods (up to 20 quarterly periods)	5 years
Proceeds from issuance of common securities		619
Junior subordinated debt securities, amount		$ 20,619
MidCarolina | Delaware
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Number of statutory trusts | trust				2
Mid Carolina Trust
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Junior subordinated debt securities, amount				$ 8,764
Equity method investments			$ 264
AMNB Trust I
Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items]
Equity method investments			$ 619

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Junior Subordinated Debt - Outstanding Payables (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Jul. 01, 2011	Apr. 07, 2006
Debt Instrument [Line Items]
Principal Amount				$ 20,619
MidCarolina Trust I
Debt Instrument [Line Items]
Valuation allowance associated with junior subordinated debenture	$ 1,532		$ 1,197
MidCarolina Trust II
Debt Instrument [Line Items]
Valuation allowance associated with junior subordinated debenture		$ 1,557	$ 1,021
Junior Subordinated Debt Securities
Debt Instrument [Line Items]
Principal Amount	27,851	27,826
Junior Subordinated Debt Securities | AMNB Trust I
Debt Instrument [Line Items]
Principal Amount	20,619	20,619
Junior Subordinated Debt Securities | MidCarolina Trust I
Debt Instrument [Line Items]
Principal Amount	4,335	4,322
Junior Subordinated Debt Securities | MidCarolina Trust II
Debt Instrument [Line Items]
Principal Amount	$ 2,897	$ 2,885
Junior Subordinated Debt Securities | LIBOR | AMNB Trust I
Debt Instrument [Line Items]
Basis spread on variable rate	1.35%
Junior Subordinated Debt Securities | LIBOR | MidCarolina Trust I
Debt Instrument [Line Items]
Basis spread on variable rate	3.45%
Junior Subordinated Debt Securities | LIBOR | MidCarolina Trust II
Debt Instrument [Line Items]
Basis spread on variable rate	2.95%

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Stock Based Compensation - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Apr. 22, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of common stock authorizes for issuance (in shares)				500,000
Unrecognized compensation expense	$ 0
Regular quarterly board retainer if restricted stock vested	7,500
Monthly meeting fees a director could receive in cash	725
Monthly meeting fees a director could receive if restricted stock vested	$ 900
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum vesting period of granted restricted stock	36 months
Unrecognized compensation expense	$ 1,110,000		$ 538,000
Weighted average period for recognition of unrecognized compensation cost	1 year 8 months 15 days
Share based compensation expense	$ 147,000	$ 192,000
Number of shares issued (in shares)	3,477	3,251
Recognized share based compensation expense	$ 130,000	$ 117,000
Restricted Stock | Vesting 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of remainder of restricted stock vesting each year	33.33%
Restricted Stock | Vesting 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of remainder of restricted stock vesting each year	33.33%
Restricted Stock | Vesting 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of remainder of restricted stock vesting each year	33.33%

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Stock Based Compensation - Stock Options Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Option Shares
Outstanding at beginning of period (in shares)	50,985
Acquired in acquisition (in shares)	0
Granted (in shares)	0
Exercised (in shares)	(3,300)	(3,300)
Forfeited (in shares)	0
Expired (in shares)	(1,650)
Outstanding at end of period (in shares)	46,035
Exercisable at end of period (in shares)	46,035
Weighted Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 24.09
Acquired in acquisition (in dollars per share)	0.00
Granted (in dollars per share)	0.00
Exercised (in dollars per share)	25.76
Forfeited (in dollars per share)	0.00
Expired (in dollars per share)	33.33
Outstanding at end of period (in dollars per share)	23.64
Exercisable at end of period (in dollars per share)	$ 23.64
Weighted Average Remaining Contractual Term
Outstanding at end of period	7 months 1 day
Exercisable at end of period	7 months 1 day
Aggregate Intrinsic Value
Outstanding at end of period	$ 643
Exercisable at end of period	$ 643

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Stock Based Compensation - Restricted Stock Activity (Details) - Restricted Stock	3 Months Ended
	Mar. 31, 2018 $ / shares shares
Shares
Nonvested at beginning of period (in shares) | shares	46,501
Granted (in shares) | shares	18,192
Vested (in shares) | shares	(10,101)
Forfeited (in shares) | shares	(483)
Nonvested at end of period (in shares) | shares	54,109
Weighted Average Grant Date Value
Nonvested at beginning of period (in dollars per share) | $ / shares	$ 26.28
Granted (in dollars per share) | $ / shares	39.52
Vested (in dollars per share) | $ / shares	21.62
Forfeited (in dollars per share) | $ / shares	34.70
Nonvested at end of period (in dollars per share) | $ / shares	$ 31.53

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Earnings Per Common Share (Details) - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Shares
Basic earnings per share (in shares)	8,669,728	8,633,219
Effect of dilutive securities - stock options (in shares)	17,623	17,920
Diluted earnings per share (in shares)	8,687,351	8,651,139
Per Share Amount
Basic earnings per share (in dollars per share)	$ 0.67	$ 0.47
Effect of dilutive securities - stock options (in dollars per share)	0.00	0.00
Diluted earnings per share (in dollars per share)	$ 0.67	$ 0.47
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities not included in computation of earning per share (in shares)	0	1,320

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Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Components of Net Periodic Benefit Cost
Service cost	$ 0	$ 0
Interest cost	51	59
Expected return on plan assets	(64)	(88)
Recognized loss due to settlement	25	35
Recognized net actuarial loss	68	54
Net periodic cost	$ 80	$ 60

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Fair Value of Financial Instruments - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Assets:
Fair Value		$ 310,348
Equity securities, at fair value		2,320	$ 0	[1]
Securities available for sale, at fair value	[1]		321,337
Level 1
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Level 2
Assets:
Fair Value		310,348
Equity securities, at fair value		2,320
Securities available for sale, at fair value			321,337
Level 3
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Federal agencies and GSEs
Assets:
Fair Value		108,627
Securities available for sale, at fair value			112,127
Mortgage-backed and CMOs
Assets:
Fair Value		108,421
Securities available for sale, at fair value			105,316
State and municipal
Assets:
Fair Value		85,322
Securities available for sale, at fair value			93,626
Corporate
Assets:
Fair Value		7,978
Securities available for sale, at fair value			8,062
Equity securities
Assets:
Securities available for sale, at fair value			2,206
Fair Value, Measurements, Recurring
Assets:
Fair Value		310,348
Equity securities, at fair value		2,320
Securities available for sale, at fair value			321,337
Fair Value, Measurements, Recurring | Level 1
Assets:
Fair Value		0
Equity securities, at fair value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Level 2
Assets:
Fair Value		310,348
Equity securities, at fair value		2,320
Securities available for sale, at fair value			321,337
Fair Value, Measurements, Recurring | Level 3
Assets:
Fair Value		0
Equity securities, at fair value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Federal agencies and GSEs
Assets:
Fair Value		108,627
Securities available for sale, at fair value			112,127
Fair Value, Measurements, Recurring | Federal agencies and GSEs | Level 1
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Federal agencies and GSEs | Level 2
Assets:
Fair Value		108,627
Securities available for sale, at fair value			112,127
Fair Value, Measurements, Recurring | Federal agencies and GSEs | Level 3
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Mortgage-backed and CMOs
Assets:
Fair Value		108,421
Securities available for sale, at fair value			105,316
Fair Value, Measurements, Recurring | Mortgage-backed and CMOs | Level 1
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Mortgage-backed and CMOs | Level 2
Assets:
Fair Value		108,421
Securities available for sale, at fair value			105,316
Fair Value, Measurements, Recurring | Mortgage-backed and CMOs | Level 3
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | State and municipal
Assets:
Fair Value		85,322
Securities available for sale, at fair value			93,626
Fair Value, Measurements, Recurring | State and municipal | Level 1
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | State and municipal | Level 2
Assets:
Fair Value		85,322
Securities available for sale, at fair value			93,626
Fair Value, Measurements, Recurring | State and municipal | Level 3
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Corporate
Assets:
Fair Value		7,978
Securities available for sale, at fair value			8,062
Fair Value, Measurements, Recurring | Corporate | Level 1
Assets:
Fair Value		0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Corporate | Level 2
Assets:
Fair Value		7,978
Securities available for sale, at fair value			8,062
Fair Value, Measurements, Recurring | Corporate | Level 3
Assets:
Fair Value		$ 0
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Equity securities
Assets:
Securities available for sale, at fair value			2,206
Fair Value, Measurements, Recurring | Equity securities | Level 1
Assets:
Securities available for sale, at fair value			0
Fair Value, Measurements, Recurring | Equity securities | Level 2
Assets:
Securities available for sale, at fair value			2,206
Fair Value, Measurements, Recurring | Equity securities | Level 3
Assets:
Securities available for sale, at fair value			$ 0

[1] Derived from audited consolidated financial statements.

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Fair Value of Financial Instruments - Additional Information (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($)
Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets fair value adjustments | $	$ 0	$ 0
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of residential loans originated for sale in secondary markets	1
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of residential loans originated for sale in secondary markets	4

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Fair Value of Financial Instruments - Assets Measured on Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Level 1
Assets:
Loans held for sale	$ 0	$ 0
Level 2
Assets:
Loans held for sale	1,792	1,639
Level 3
Assets:
Loans held for sale	0	0
Fair Value, Measurements, Nonrecurring
Assets:
Loans held for sale	1,792	1,639
Impaired loans, net of valuation allowance	420	1,391
Other real estate owned, net	1,716	1,225
Fair Value, Measurements, Nonrecurring | Level 1
Assets:
Loans held for sale	0	0
Impaired loans, net of valuation allowance	0	0
Other real estate owned, net	0	0
Fair Value, Measurements, Nonrecurring | Level 2
Assets:
Loans held for sale	1,792	1,639
Impaired loans, net of valuation allowance	0	0
Other real estate owned, net	0	0
Fair Value, Measurements, Nonrecurring | Level 3
Assets:
Loans held for sale	0	0
Impaired loans, net of valuation allowance	420	1,391
Other real estate owned, net	$ 1,716	$ 1,225

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Fair Value of Financial Instruments - Level 3 Quantitative Information (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Impaired loans
Fair Value Inputs, Quantitative Information [Abstract]
Selling cost	8.00%	8.00%
Other real estate owned, net
Fair Value Inputs, Quantitative Information [Abstract]
Selling cost	8.00%	8.00%
Minimum | Impaired loans
Fair Value Inputs, Quantitative Information [Abstract]
Market rate for borrower (discount rate)	3.25%	3.25%
Maximum | Impaired loans
Fair Value Inputs, Quantitative Information [Abstract]
Market rate for borrower (discount rate)	9.80%	9.80%

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Fair Value of Financial Instruments - Carrying and Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
Financial Assets:
Equity securities, at fair value		$ 2,320	$ 0	[1]
Securities available for sale, at fair value		310,348
Securities available for sale, at fair value	[1]		321,337
Financial Liabilities:
Other short-term borrowings		0	24,000	[1]
Level 1
Financial Assets:
Cash and cash equivalents		76,653	52,477
Securities available for sale, at fair value		0
Securities available for sale, at fair value			0
Restricted stock		0	0
Loans held for sale		0	0
Loans, net of allowance		0	0
Bank owned life insurance		0	0
Accrued interest receivable		0	0
Financial Liabilities:
Deposits		0	0
Repurchase agreements		0	0
Junior subordinated debt		0	0
Accrued interest payable		0	0
Level 1 | Other short-term borrowings
Financial Liabilities:
Other short-term borrowings			0
Level 2
Financial Assets:
Cash and cash equivalents		0	0
Equity securities, at fair value		2,320
Securities available for sale, at fair value		310,348
Securities available for sale, at fair value			321,337
Restricted stock		5,221	6,110
Loans held for sale		1,792	1,639
Loans, net of allowance		0	0
Bank owned life insurance		18,566	18,460
Accrued interest receivable		4,945	5,231
Financial Liabilities:
Deposits		1,566,012	1,527,956
Repurchase agreements		10,466	10,726
Junior subordinated debt		0	0
Accrued interest payable		698	674
Level 2 | Other short-term borrowings
Financial Liabilities:
Other short-term borrowings			24,000
Level 3
Financial Assets:
Cash and cash equivalents		0	0
Securities available for sale, at fair value		0
Securities available for sale, at fair value			0
Restricted stock		0	0
Loans held for sale		0	0
Loans, net of allowance		1,305,037	1,317,737
Bank owned life insurance		0	0
Accrued interest receivable		0	0
Financial Liabilities:
Deposits		0	0
Repurchase agreements		0	0
Junior subordinated debt		21,801	28,358
Accrued interest payable		0	0
Level 3 | Other short-term borrowings
Financial Liabilities:
Other short-term borrowings			0
Carrying Value
Financial Assets:
Cash and cash equivalents		76,653	52,477
Equity securities, at fair value		2,320
Securities available for sale, at fair value		310,348
Securities available for sale, at fair value			321,337
Restricted stock		5,221	6,110
Loans held for sale		1,792	1,639
Loans, net of allowance		1,307,646	1,322,522
Bank owned life insurance		18,566	18,460
Accrued interest receivable		4,945	5,231
Financial Liabilities:
Deposits		1,559,251	1,534,726
Repurchase agreements		10,466	10,726
Junior subordinated debt		27,851	27,826
Accrued interest payable		698	674
Carrying Value | Other short-term borrowings
Financial Liabilities:
Other short-term borrowings			24,000
Fair Value
Financial Assets:
Cash and cash equivalents		76,653	52,477
Equity securities, at fair value		2,320
Securities available for sale, at fair value		310,348
Securities available for sale, at fair value			321,337
Restricted stock		5,221	6,110
Loans held for sale		1,792	1,639
Loans, net of allowance		1,305,037	1,317,737
Bank owned life insurance		18,566	18,460
Accrued interest receivable		4,945	5,231
Financial Liabilities:
Deposits		1,566,012	1,527,956
Repurchase agreements		10,466	10,726
Junior subordinated debt		21,801	28,358
Accrued interest payable		$ 698	674
Fair Value | Other short-term borrowings
Financial Liabilities:
Other short-term borrowings			$ 24,000

[1] Derived from audited consolidated financial statements.

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Segment and Related Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	[1]
Segment Reporting [Abstract]
Number of reportable segments | segment	2
Segment Reporting Information [Line Items]
Interest income	$ 16,668	$ 14,681
Interest expense	2,125	1,547
Noninterest income	3,333	3,271
Income (loss) before income taxes	7,218	5,664
Net income (loss)	5,812	4,063
Depreciation and amortization	543	609
Total assets	1,817,574	1,715,805	$ 1,816,078
Goodwill	43,872	43,872	$ 43,872
Capital expenditures	345	663
Operating Segments | Community Banking
Segment Reporting Information [Line Items]
Interest income	16,580	14,596
Interest expense	1,835	1,308
Noninterest income	2,063	2,161
Income (loss) before income taxes	7,026	5,457
Net income (loss)	5,653	3,896
Depreciation and amortization	540	606
Total assets	1,807,991	1,706,564
Goodwill	43,872	43,872
Capital expenditures	345	657
Operating Segments | Trust and Investment Services
Segment Reporting Information [Line Items]
Interest income	0	0
Interest expense	0	0
Noninterest income	1,151	1,104
Income (loss) before income taxes	453	541
Net income (loss)	365	388
Depreciation and amortization	3	3
Total assets	0	0
Goodwill	0	0
Capital expenditures	0	6
Other
Segment Reporting Information [Line Items]
Interest income	88	85
Interest expense	290	239
Noninterest income	119	6
Income (loss) before income taxes	(261)	(334)
Net income (loss)	(206)	(221)
Depreciation and amortization	0	0
Total assets	237,802	232,206
Goodwill	0	0
Capital expenditures	0	0
Intersegment Eliminations
Segment Reporting Information [Line Items]
Interest income	0	0
Interest expense	0	0
Noninterest income	0	0
Income (loss) before income taxes	0	0
Net income (loss)	0	0
Depreciation and amortization	0	0
Total assets	(228,219)	(222,965)
Goodwill	0	0
Capital expenditures	$ 0	$ 0

[1] Derived from audited consolidated financial statements.

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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017		Dec. 31, 2016
Supplemental Schedule of Cash and Cash Equivalents:
Cash and due from banks	$ 18,772	$ 27,418	$ 28,594	[1]
Interest-bearing deposits in other banks	57,881	67,372	23,883	[1]
Cash and Cash Equivalents	76,653	94,790	$ 52,477		$ 53,207
Cash paid for:
Interest on deposits and borrowed funds	2,101	1,596
Noncash investing and financing activities:
Transfer of loans to other real estate owned	532	402
Unrealized (losses) gains on securities available for sale	$ (3,742)	$ 752

[1] Derived from audited consolidated financial statements.

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Accumulated Other Comprehensive Income - Components of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018		Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 208,717	[1]	$ 201,380
Net unrealized gains on securities available for sale, net of tax	(2,873)		657
Reclassification adjustment for realized gains on securities, net of tax	(6)		(168)
Reclassification for ASU 2016-01 adoption					$ 0
Ending Balance	209,840		204,241
Net unrealized gains (losses) on securities available for sale, tax	(861)		354
Reclassification adjustment for realized gains on securities, tax	(2)		(91)
Net Unrealized Gains (Losses) on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(796)		(150)
Net unrealized gains on securities available for sale, net of tax	(2,873)		657
Reclassification adjustment for realized gains on securities, net of tax	(6)		(168)
Reclassification for ASU 2016-01 adoption					(650)
Ending Balance	(4,325)		339
Adjustments Related to Pension Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(2,280)		(1,724)
Net unrealized gains on securities available for sale, net of tax	0		0
Reclassification adjustment for realized gains on securities, net of tax	0		0
Reclassification for ASU 2016-01 adoption					0
Ending Balance	(2,280)		(1,724)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(3,076)		(1,874)
Reclassification for ASU 2016-01 adoption				$ (650)	$ (650)
Ending Balance	$ (6,605)		$ (1,385)

[1] Derived from audited consolidated financial statements.

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Accumulated Other Comprehensive Income - Reclassifications Out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Securities gains, net	$ 121	$ 259
Income taxes	(1,406)	(1,601)
Net Income	5,812	4,063
Total reclassifications	6	168
Realized gain on sale of securities
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	6	168
Amount Reclassified from AOCI
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Net Income		168
Reclassification for ASU 2016-01 adoption	650
Total reclassifications	656
Amount Reclassified from AOCI | Realized gain on sale of securities
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Securities gains, net	8	259
Income taxes	(2)	$ (91)
Net Income	$ 6