Summit Financial (SMMF) 10-Q 3 Nov 17 2017 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Nov. 01, 2017
Document And Entity Information
Entity Registrant Name	SUMMIT FINANCIAL GROUP INC
Entity Central Index Key	811,808
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		12,428,342

Consolidated Balance Sheets (un

Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	[1]	Sep. 30, 2016
ASSETS
Cash and due from banks	$ 9,220	$ 4,262		$ 25,067
Interest bearing deposits with other banks	41,994	42,354		9,432
Cash and cash equivalents	51,214	46,616		34,499
Securities available for sale	328,726	266,542		262,102
Other investments	12,170	12,942		13,182
Loans held for sale	220	176		0
Loans, net	1,559,328	1,307,862		1,234,605
Property held for sale	22,622	24,504		24,767
Premises and equipment, net	34,220	23,737		21,802
Accrued interest receivable	7,979	6,167		5,470
Goodwill and other intangible assets	27,879	13,652		7,348
Cash surrender value of life insurance policies	41,076	39,143		38,504
Other assets	15,702	17,306		15,357
Total assets	2,101,136	1,758,647		1,657,636
Deposits
Non interest bearing	215,910	149,737		122,652
Interest bearing	1,400,858	1,145,782		1,034,132
Total deposits	1,616,768	1,295,519		1,156,784
Short-term borrowings	202,988	224,461		234,657
Long-term borrowings	45,755	46,670		74,146
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589		19,589
Other liabilities	17,254	17,048		18,640
Total liabilities	1,902,354	1,603,287		1,503,816
Commitments and Contingencies
Shareholders' Equity
Preferred Stock, Value, Issued	0	0		0
Common stock and related surplus, $2.50 par value; authorized 20,000,000 shares; issued: 2017 - 12,428,342 shares, December 2016 - 10,883,509 shares and September 2016 - 10,857,801 shares; outstanding: 2017 - 12,311,723 shares, December 2016 - 10,736,970 shares and September 2016 - 10,701,841 shares	80,496	46,757		46,114
Unallocated common stock held by Employee Stock Ownership Plan 2017 - 116,619 shares, December 2016 - 146,539 shares and September 2016 - 155,960	(1,260)	(1,583)		(1,684)
Retained earnings	119,157	113,448		109,808
Accumulated other comprehensive income (loss)	389	(3,262)		(418)
Total shareholders' equity	198,782	155,360		153,820
Total liabilities and shareholders' equity	$ 2,101,136	$ 1,758,647		$ 1,657,636
[1]	Derived from audited consolidated financial statements

Consolidated Balance Sheets (u3

Consolidated Balance Sheets (unaudited) (Parenthetical) - $ / shares	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50	$ 2.50
Common stock, shares authorized	20,000,000	20,000,000	20,000,000
Common stock, shares issued	12,428,342	10,883,509	10,857,801
Common stock, shares outstanding	12,311,723	10,736,970	10,701,841
Preferred Stock, Par or Stated Value Per Share	$ 1	$ 1	$ 1
Preferred Stock, Shares Authorized	250,000	250,000	250,000
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	116,619	146,539	155,960

Consolidated Statements of Inco

Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest and fees on loans
Taxable	$ 19,387	$ 14,009	$ 54,487	$ 40,788
Tax-exempt	103	133	391	412
Interest and dividends on securities
Taxable	1,283	1,138	3,742	3,284
Tax-exempt	1,114	621	2,855	1,857
Interest on interest bearing deposits with other banks	149	5	466	13
Total interest income	22,036	15,906	61,941	46,354
Interest expense
Interest on deposits	2,963	2,209	7,987	6,533
Interest on short-term borrowings	1,160	675	3,233	1,334
Interest on long-term borrowings and subordinated debentures	681	985	2,012	2,937
Total interest expense	4,804	3,869	13,232	10,804
Net interest income	17,232	12,037	48,709	35,550
Provision for loan losses	375	0	875	500
Net interest income after provision for loan losses	16,857	12,037	47,834	35,050
Noninterest income
Insurance commissions	1,043	1,016	3,000	3,030
Fees and Commissions, Fiduciary and Trust Activities	589	126	1,284	358
Service fees related to deposit accounts	1,863	1,138	4,737	3,175
Realized securities gains, net	26	61	58	836
Bank owned life insurance income	255	258	758	772
Other	224	150	659	430
Total noninterest income	4,000	2,749	10,496	8,601
Noninterest expenses
Salaries, commissions and employee benefits	6,610	4,819	18,555	14,265
Net occupancy expense	847	525	2,239	1,576
Equipment expense	1,093	716	2,859	2,059
Professional fees	373	270	1,012	1,171
Marketing and Advertising Expense	137	93	393	280
Amortization of intangibles	448	50	974	150
FDIC premiums	310	200	815	800
Business Combination, Acquisition Related Costs	11	80	1,575	345
Foreclosed properties expense	171	100	397	317
Gain on sales of foreclosed properties, net	(29)	(169)	(111)	(451)
Write-downs of foreclosed properties	91	134	538	503
Litigation Settlement	0	0	9,900	0
Other	2,385	1,601	6,253	4,395
Total noninterest expenses	12,447	8,419	45,399	25,410
Income before income tax expense	8,410	6,367	12,931	18,241
Income tax expense	2,480	2,086	3,339	5,655
Net income	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Basic earnings per common share	$ 0.48	$ 0.40	$ 0.81	$ 1.18
Diluted earnings per common share	$ 0.48	$ 0.40	$ 0.81	$ 1.18

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge	313	608	980	(1,332)
Net unrealized gain (loss) on available for sale debt securities	383	(905)	2,452	1,370
Net unrealized gain (loss) on other post-retirement benefits			219	0
Other Comprehensive Income (Loss), Net of Tax	696	(297)	3,651	38
Total comprehensive income	$ 6,626	$ 3,984	$ 13,243	$ 12,624

Consolidated Statements of Com6

Consolidated Statements of Comprehensive Income (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net unrealized gain (loss) on cashflow hedge	$ 497	$ 965	$ 1,556	$ (2,114)
Net unrealized gain (loss) on cashflow hedge, deferred tax	184	357	576	(782)
Net unrealized gain (loss) on available for sale debt securities	608	(1,437)	3,892	2,175
Net unrealized gain (loss) on available for sale debt securities, deferred taxes	225	(532)	1,440	805
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	26	61	58	836
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	10	23	21	309
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	0	0	348	0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax	$ 0	$ 0	$ 129	$ 0

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity (unaudited) - USD ($) $ in Thousands	Total		Unearned ESOP Shares [Member]	Common Stock and Related Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2015	$ 143,744		$ (1,964)	$ 45,741	$ 100,423	$ (456)
Comprehensive income:
Net income	12,586				12,586
Other comprehensive income	38					38
Share-based compensation expense	150			150
Stock Issued During Period, Value, Employee Stock Ownership Plan	428		280	148
Stock Issued During Period, Value, Dividend Reinvestment Plan	75			75
Common stock cash dividends declared	(3,201)				(3,201)
Ending Balance at Sep. 30, 2016	153,820		(1,684)	46,114	109,808	(418)
Beginning Balance at Dec. 31, 2016	155,360	[1]	(1,583)	46,757	113,448	(3,262)
Comprehensive income:
Net income	9,592				9,592
Other comprehensive income	3,651					3,651
Stock Issued During Period, Value, Stock Options Exercised	12			12
Share-based compensation expense	285			285
Stock Issued During Period, Value, Employee Stock Ownership Plan	681		323	358
Stock Issued During Period, Value, Acquisitions	32,968			32,968
Stock Issued During Period, Value, Dividend Reinvestment Plan	116			116	0
Common stock cash dividends declared	(3,883)				(3,883)
Ending Balance at Sep. 30, 2017	$ 198,782		$ (1,260)	$ 80,496	$ 119,157	$ 389
[1]	Derived from audited consolidated financial statements

Consolidated Statements of Sha8

Consolidated Statements of Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Common stock, dividends per share	$ 0.33	$ 0.30
Stock Issued During Period, Shares, Employee Stock Ownership Plan	29,920	25,862
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	2,000
Common stock issuances from reinvested dividends, number of shares	4,921	4,235
Stock Issued During Period, Shares, Acquisitions	1,537,912

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016
Cash Flows from Operating Activities
Net income	$ 9,592		$ 12,586
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,364		884
Provision for loan losses	875		500
Share-based compensation expense	285		150
Deferred income tax benefit	(364)		(235)
Loans originated for sale	(11,305)		(7,068)
Proceeds from sale of loans	11,492		8,001
Gain (Loss) on Sales of Loans, Net	(231)		(154)
Realized securities gains, net	(58)		(836)
Gain on disposal of assets	(93)		(480)
Write-downs of foreclosed properties	538		503
Amortization of securities premiums, net	3,125		3,329
Amortization (accretion) related to acquisitions, net	(870)		9
Amortization of intangibles	974		150
Earnings on cash surrender value of bank owned life insurance	(425)		(772)
(Increase) decrease in accrued interest receivable	(752)		75
Decrease (increase) in other assets	1,539		(762)
(Decrease) increase in other liabilities	(221)		673
Net cash provided by operating activities	15,465		16,553
Cash Flows from Investing Activities
Proceeds from maturities and calls of securities available for sale	2,610		630
Proceeds from sales of securities available for sale	131,345		63,641
Principal payments received on securities available for sale	24,349		27,696
Purchases of securities available for sale	(118,346)		(73,595)
Purchases of other investments	(13,116)		(15,389)
Proceeds from redemptions of other investments	13,274		10,942
Net loan originations	(26,099)		(156,744)
Purchases of premises and equipment	(5,672)		(1,199)
Proceeds from Sale of Property, Plant, and Equipment	0		43
Proceeds from sales of repossessed assets & property held for sale	4,463		3,659
Payments to Acquire Businesses, Net of Cash Acquired	39,053		0
Net cash provided by (used in) investing activities	51,861		(140,316)
Cash Flows from Financing Activities
Net (decrease) increase in demand deposit, NOW and savings accounts	(9,812)		54,830
Net (decrease) increase in time deposits	(19,305)		35,243
Net (decrease) increase in short-term borrowings	(28,782)		63,263
Repayment of long-term borrowings	(915)		(1,435)
Net proceeds from issuance of common stock	(43)		75
Proceeds from Stock Options Exercised	12		0
Dividends paid on common stock	(3,883)		(3,201)
Net cash provided by (used in) financing activities	(62,728)		148,775
Increase in cash and cash equivalents	4,598		25,012
Cash and cash equivalents:
Beginning	46,616	[1]	9,487
Ending	51,214		34,499
Cash payments for:
Interest	13,055		10,889
Income taxes	3,557		5,768
Supplemental Disclosures of Noncash Investing and Financing Activities
Real property and other assets acquired in settlement of loans	$ 289		$ 2,053
[1]	Derived from audited consolidated financial statements

Consolidated Statements of Ca10

Consolidated Statements of Cash Flows (unaudited) Consolidated Statements of Cash Flows (unaudited) (Parenthetical) $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)
Statement of Cash Flows [Abstract]
Payments to Acquire Businesses, Gross	$ 14,989

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	BASIS OF PRESENTATION We, Summit Financial Group, Inc. and subsidiaries, prepare our consolidated financial statements in accordance with accounting principles generally accepted in the United States of America for interim financial information and with instructions to Form 10-Q and Regulation S-X. Accordingly, they do not include all the information and footnotes required by accounting principles generally accepted in the United States of America for annual year end financial statements. In our opinion, all adjustments considered necessary for a fair presentation have been included and are of a normal recurring nature. The presentation of financial statements in conformity with accounting principles generally accepted in the United States of America requires us 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 financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from these estimates. The results of operations for the nine months and quarter ended September 30, 2017 are not necessarily indicative of the results to be expected for the full year. The consolidated financial statements and notes included herein should be read in conjunction with our 2016 audited financial statements and Annual Report on Form 10-K.

Significant New Authoritative A

Significant New Authoritative Accounting Guidance	9 Months Ended
	Sep. 30, 2017
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Significant New Authoritative Accounting Guidance	SIGNIFICANT NEW AUTHORITATIVE ACCOUNTING GUIDANCE ASU 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities , among other things, (i) requires equity investments, with certain exceptions, to be measured at fair value with changes in fair value recognized in net income, (ii) simplifies the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment, (iii) eliminates the requirement for public business entities to disclose the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet, (iv) requires public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes, (v) requires an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments, (vi) requires separate presentation of financial assets and financial liabilities by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements and (viii) clarifies that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to securities available-for-sale. ASU 2016-01 will be effective for us on January 1, 2018 and is not expected to have a significant impact on our financial statements. ASU 2016-02, Leases (Topic 842) will, among other things, require lessees to recognize a lease liability, which is a lessee‘s obligation to make lease payments arising from a lease, measured on a discounted basis; and 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. ASU 2016-02 does not significantly change lease accounting requirements applicable to lessors; however, certain changes were made to align, where necessary, lessor accounting with the lessee accounting model and ASC Topic 606, Revenue from Contracts with Customers . ASU 2016-02 will be effective for us on January 1, 2019 and will require transition using a modified retrospective approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. While our full evaluation of the potential impact of ASU 2016-02 is ongoing, preliminarily, we expect that its adoption will not be significant to our financial statements. ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, requires 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 and requires enhanced disclosures related to the significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. In addition, ASU 2016-13 amends the accounting for credit losses on available-for-sale debt securities and purchased financial assets with credit deterioration. ASU 2016-13 will be effective on January 1, 2020. An implementation committee has been formed and continues to plan for the standards' implementation and evaluate the impact of ASU 2016-13 on our financial statements. ASU 2016-15, Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments provides guidance related to certain cash flow issues in order to reduce the current and potential future diversity in practice. ASU 2016-15 will be effective for us on January 1, 2018 and is not expected to have a significant impact on our financial statements. ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business clarifies the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or businesses. Under the current implementation guidance in Topic 805, there are three elements of a business-inputs, processes, and outputs. While an integrated set of assets and activities (collectively referred to as a “set”) that is a business usually has outputs, outputs are not required to be present. In addition, all the inputs and processes that a seller uses in operating a set are not required if market participants can acquire the set and continue to produce outputs. The amendments in this ASU provide a screen to determine when a set is not a business. If the screen is not met, the amendments (1) require that to be considered a business, a set must include, at a minimum, an input and a substantive process that together significantly contribute to the ability to create output and (2) remove the evaluation of whether a market participant could replace missing elements. The ASU provides a framework to assist entities in evaluating whether both an input and a substantive process are present. The amendments in this ASU are effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods. The amendments in this ASU should be applied prospectively on or after the effective date. No disclosures are required at transition. We do not expect the adoption of ASU 2017-01 to have a material impact on our consolidated financial statements. ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost requires an employer that offers defined benefit pension plans, other postretirement benefit plans, or other types of benefits accounted for under Topic 715 to report the service cost component of net periodic benefit cost in the same line item(s) as other compensation costs arising from services rendered during the period. The other components of net periodic benefit cost are required to be presented in the income statement separately from the service cost component. If the other components of net periodic benefit cost are not presented on a separate line or lines, the line item(s) used in the income statement must be disclosed. In addition, only the service cost component will be eligible for capitalization as part of an asset, when applicable. The amendments are effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods. Early adoption is permitted. We do not expect the adoption of ASU 2017-07 to have a material impact on our consolidated financial statements. ASU 2017-08, Receivables-Nonrefundable Fees and Other Costs (Subtopic 310-20), Premium Amortization on Purchased Callable Debt Securities shortens 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. We are currently assessing the impact that ASU 2017-08 will have on our consolidated financial statements. During May 2017, the FASB issued ASU 2017-09, Compensation - Stock Compensation (Topic 718): Scope of Modification Accounting which provides guidance on determining which changes to the terms and conditions of share-based payment awards require an entity to apply modification accounting under Topic 718. The amendments are effective for all entities for annual periods, including interim periods within those annual periods, beginning after December 15, 2017. Early adoption is permitted, including adoption in any interim period, for reporting periods for which financial statements have not yet been issued. We are currently assessing the impact that ASU 2017-09 will have on our consolidated financial statements. During 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. We do not expect the adoption of ASU 2017-12 to have a material impact on our consolidated financial statements.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis. Balance at Fair Value Measurements Using: Dollars in thousands September 30, 2017 Level 1 Level 2 Level 3 Available for sale securities U.S. Government sponsored agencies $ 24,135 $ — $ 24,135 $ — Mortgage backed securities: Government sponsored agencies 121,759 — 121,759 — Nongovernment sponsored entities 2,755 — 2,755 — State and political subdivisions 13,435 — 13,435 — Corporate debt securities 16,190 — 16,190 — Other equity securities 137 — 137 — Tax-exempt state and political subdivisions 150,315 — 150,315 — Total available for sale securities $ 328,726 $ — $ 328,726 $ — Derivative financial assets Interest rate swaps $ 125 $ — $ 125 $ — Derivative financial liabilities Interest rate swaps $ 3,056 $ — $ 3,056 $ — Balance at Fair Value Measurements Using: Dollars in thousands December 31, 2016 Level 1 Level 2 Level 3 Available for sale securities U.S. Government sponsored agencies $ 15,174 $ — $ 15,174 $ — Mortgage backed securities: Government sponsored agencies 138,846 — 138,846 — Nongovernment sponsored entities 4,653 — 4,653 — Corporate debt securities 18,170 — 18,170 — Other equity securities 137 — 137 — Tax-exempt state and political subdivisions 89,562 — 89,562 — Total available for sale securities $ 266,542 $ — $ 266,542 $ — Derivative financial assets Interest rate swaps $ 200 $ — $ 200 $ — Derivative financial liabilities Interest rate swaps $ 4,611 $ — $ 4,611 $ — We may be required, from time to time, to measure certain assets at fair value on a nonrecurring basis in accordance with U.S. generally accepted accounting principles. These include assets that are measured at the lower of cost or market that were recognized at fair value below cost at the end of the period. Assets measured at fair value on a nonrecurring basis are included in the table below. Balance at Fair Value Measurements Using: Dollars in thousands September 30, 2017 Level 1 Level 2 Level 3 Residential mortgage loans held for sale $ 220 $ — $ 220 $ — Collateral-dependent impaired loans Commercial real estate $ 518 $ — $ 518 $ — Construction and development 945 — 945 — Residential real estate 203 — 203 — Total collateral-dependent impaired loans $ 1,666 $ — $ 1,666 $ — Property held for sale Commercial real estate $ 1,476 $ — $ 1,292 $ 184 Construction and development 16,627 — 16,627 — Residential real estate 352 — 352 — Total property held for sale $ 18,455 $ — $ 18,271 $ 184 Balance at Fair Value Measurements Using: Dollars in thousands December 31, 2016 Level 1 Level 2 Level 3 Residential mortgage loans held for sale $ 176 $ — $ 176 $ — Collateral-dependent impaired loans Construction and development $ 945 $ — $ 945 $ — Residential real estate 130 — 130 — Total collateral-dependent impaired loans $ 1,075 $ — $ 1,075 $ — Property held for sale Commercial real estate $ 976 $ — $ 976 $ — Construction and development 19,327 — 19,327 — Residential real estate 279 — 279 — Total property held for sale $ 20,582 $ — $ 20,582 $ — The following summarizes the methods and significant assumptions we used in estimating our fair value disclosures for financial instruments, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring basis or non-recurring basis. Cash and cash equivalents: The carrying values of cash and cash equivalents approximate their estimated fair value. Securities: Estimated fair values of securities are based on quoted market prices, where available. If quoted market prices are not available, estimated fair values are based on quoted market prices of comparable securities. Other investments: Other investments consists of FHLB stock, which does not have readily determinable fair values and is carried at cost and an investment in a limited partnership which owns interests in a diversified portfolio of qualified affordable housing projects which is reflected at its carrying value. Loans held for sale: The carrying values of loans held for sale approximate their estimated fair values. Loans: The estimated fair values for loans are computed based on scheduled future cash flows of principal and interest, discounted at interest rates currently offered for loans with similar terms to borrowers of similar credit quality. No prepayments of principal are assumed. Accrued interest receivable and payable: The carrying values of accrued interest receivable and payable approximate their estimated fair values. Deposits: The estimated fair values of demand deposits (i.e. non-interest bearing checking, NOW, money market and savings accounts) and other variable rate deposits approximate their carrying values. Fair values of fixed maturity deposits are estimated using a discounted cash flow methodology at rates currently offered for deposits with similar remaining maturities. Any intangible value of long-term relationships with depositors is not considered in estimating the fair values disclosed. Short-term borrowings: The carrying values of short-term borrowings approximate their estimated fair values. Long-term borrowings: The fair values of long-term borrowings are estimated by discounting scheduled future payments of principal and interest at current rates available on borrowings with similar terms. Subordinated debentures owed to unconsolidated subsidiary trusts: The carrying values of subordinated debentures owed to unconsolidated subsidiary trusts approximate their estimated fair values. Derivative financial instruments: The fair value of the interest rate swaps is valued using independent pricing models. Off-balance sheet instruments: The fair values of commitments to extend credit and standby letters of credit are estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present credit standing of the counter parties. The amounts of fees currently charged on commitments and standby letters of credit are deemed insignificant and therefore, the estimated fair values and carrying values are not shown below. The carrying values and estimated fair values of our financial instruments are summarized below: September 30, 2017 Fair Value Measurements Using: Dollars in thousands Carrying Value Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 51,214 $ 51,214 $ — $ 51,214 $ — Securities available for sale 328,726 328,726 — 328,726 — Other investments 12,170 12,170 — 12,170 — Loans held for sale, net 220 220 — 220 — Loans, net 1,559,328 1,557,227 — 1,666 1,555,561 Accrued interest receivable 7,979 7,979 — 7,979 — Derivative financial assets 125 125 — 125 — $ 1,959,762 $ 1,957,661 $ — $ 402,100 $ 1,555,561 Financial liabilities Deposits $ 1,616,768 $ 1,637,258 $ — $ 1,637,258 $ — Short-term borrowings 202,988 202,988 — 202,988 — Long-term borrowings 45,755 46,962 — 46,962 — Subordinated debentures owed to unconsolidated subsidiary trusts 19,589 19,589 — 19,589 — Accrued interest payable 912 912 — 912 — Derivative financial liabilities 3,056 3,056 — 3,056 — $ 1,889,068 $ 1,910,765 $ — $ 1,910,765 $ — December 31, 2016 Fair Value Measurements Using: Dollars in thousands Carrying Value Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 46,616 $ 46,616 $ — $ 46,616 $ — Securities available for sale 266,542 266,542 — 266,542 — Other investments 12,942 12,942 — 12,942 — Loans held for sale, net 176 176 — 176 — Loans, net 1,307,862 1,321,235 — 1,075 1,320,160 Accrued interest receivable 6,167 6,167 — 6,167 — Derivative financial assets 200 200 — 200 — $ 1,640,505 $ 1,653,878 $ — $ 333,718 $ 1,320,160 Financial liabilities Deposits $ 1,295,519 $ 1,309,820 $ — $ 1,309,820 $ — Short-term borrowings 224,461 224,461 — 224,461 — Long-term borrowings 46,670 49,013 — 49,013 — Subordinated debentures owed to unconsolidated subsidiary trusts 19,589 19,589 — 19,589 — Accrued interest payable 736 736 — 736 — Derivative financial liabilities 4,611 4,611 — 4,611 — $ 1,591,586 $ 1,608,230 $ — $ 1,608,230 $ —

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share	EARNINGS PER SHARE The computations of basic and diluted earnings per share follow: For the Three Months Ended September 30, 2017 2016 Dollars in thousands, except per share amounts Income (Numerator) Common Shares (Denominator) Per Share Income (Numerator) Common Shares (Denominator) Per Share Net income $ 5,930 $ 4,281 Basic earnings per share $ 5,930 12,299,987 $ 0.48 $ 4,281 10,692,423 $ 0.40 Effect of dilutive securities: Stock options 10,911 12,865 Stock appreciation rights (SARs) 8,061 21,851 Diluted earnings per share $ 5,930 12,318,959 $ 0.48 $ 4,281 10,727,139 $ 0.40 For the Nine Months Ended September 30, 2017 2016 Dollars in thousands, except per share amounts Income (Numerator) Common Shares (Denominator) Per Share Income (Numerator) Common Shares (Denominator) Per Share Net income $ 9,592 $ 12,586 Basic earnings per share $ 9,592 11,781,342 $ 0.81 $ 12,586 10,682,129 $ 1.18 Effect of dilutive securities: Stock options 11,336 8,774 Stock appreciation rights (SARs) 14,324 1,443 Diluted earnings per share $ 9,592 11,807,002 $ 0.81 $ 12,586 10,692,346 $ 1.18 Stock option and stock appreciation right (SAR) grants are disregarded in this computation if they are determined to be anti-dilutive. Our anti-dilutive stock options for the quarter and nine months ended September 30, 2017 were 23,400 shares, and totaled 33,600 for the three months ended September 30, 2016 and 57,000 for the nine months ended September 30, 2016 . Our anti-dilutive SARs for three and nine months ended September 30, 2017 were 87,615 .

Securities

Securities	9 Months Ended
	Sep. 30, 2017
Available-for-sale Securities [Abstract]
Securities	SECURITIES The amortized cost, unrealized gains, unrealized losses and estimated fair values of securities at September 30, 2017 , December 31, 2016 , and September 30, 2016 are summarized as follows: September 30, 2017 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities U.S. Government and agencies and corporations $ 23,591 $ 608 $ 64 $ 24,135 Residential mortgage-backed securities: Government-sponsored agencies 120,898 1,580 719 121,759 Nongovernment-sponsored entities 2,714 49 8 2,755 State and political subdivisions General obligations 2,803 11 1 2,813 Other revenues 10,568 83 29 10,622 Corporate debt securities 16,326 — 136 16,190 Total taxable debt securities 176,900 2,331 957 178,274 Tax-exempt debt securities State and political subdivisions General obligations 70,714 1,382 510 71,586 Water and sewer revenues 25,049 433 74 25,408 Lease revenues 14,250 283 71 14,462 Electric revenues 6,226 76 23 6,279 University revenues 5,290 3 22 5,271 Other revenues 26,831 593 115 27,309 Total tax-exempt debt securities 148,360 2,770 815 150,315 Equity securities 137 — — 137 Total available for sale securities $ 325,397 $ 5,101 $ 1,772 $ 328,726 December 31, 2016 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities U.S. Government and agencies and corporations $ 14,580 $ 642 $ 48 $ 15,174 Residential mortgage-backed securities: Government-sponsored agencies 138,451 1,554 1,159 138,846 Nongovernment-sponsored entities 4,631 44 22 4,653 Corporate debt securities 18,295 23 148 18,170 Total taxable debt securities 175,957 2,263 1,377 176,843 Tax-exempt debt securities State and political subdivisions General obligations 49,449 569 1,388 48,630 Water and sewer revenues 9,087 63 149 9,001 Lease revenues 9,037 7 201 8,843 Electric revenues 3,247 10 48 3,209 Sales tax revenues 2,870 — 34 2,836 Other revenues 17,321 93 371 17,043 Total tax-exempt debt securities 91,011 742 2,191 89,562 Equity securities 137 — — 137 Total available for sale securities $ 267,105 $ 3,005 $ 3,568 $ 266,542 September 30, 2016 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities: U.S. Government and agencies and corporations $ 14,818 $ 921 $ 47 $ 15,692 Residential mortgage-backed securities: Government-sponsored agencies 132,913 2,556 264 135,205 Nongovernment-sponsored agencies 5,382 48 29 5,401 State and political subdivisions: Water and sewer revenues 250 — — 250 Corporate debt securities 20,003 49 149 19,903 Total taxable debt securities 173,366 3,574 489 176,451 Tax-exempt debt securities: State and political subdivisions: General obligations 47,014 2,221 115 49,120 Water and sewer revenues 7,980 265 11 8,234 Lease revenues 7,392 321 38 7,675 Sales tax revenues 2,880 124 — 3,004 Other revenues 16,869 701 29 17,541 Total tax-exempt debt securities 82,135 3,632 193 85,574 Equity securities 77 — — 77 Total available for sale securities $ 255,578 $ 7,206 $ 682 $ 262,102 The below information is relative to the five states where issuers with the highest volume of state and political subdivision securities held in our portfolio are located. We own no such securities of any single issuer which we deem to be a concentration. September 30, 2017 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Texas $ 20,215 $ 440 $ 71 $ 20,584 Michigan 18,823 235 212 18,846 California 15,314 260 64 15,510 Illinois 12,463 244 38 12,669 Pennsylvania 10,603 91 79 10,615 Management performs pre-purchase and ongoing analysis to confirm that all investment securities meet applicable credit quality standards. The maturities, amortized cost and estimated fair values of securities at September 30, 2017 , are summarized as follows: Dollars in thousands Amortized Cost Estimated Fair Value Due in one year or less $ 46,461 $ 46,984 Due from one to five years 82,524 83,284 Due from five to ten years 33,110 33,119 Due after ten years 163,165 165,202 Equity securities 137 137 $ 325,397 $ 328,726 The proceeds from sales, calls and maturities of available for sale securities, including principal payments received on mortgage-backed obligations, and the related gross gains and losses realized, for the nine months ended September 30, 2017 and 2016 are as follows: Proceeds from Gross realized Dollars in thousands Sales Calls and Maturities Principal Payments Gains Losses For the Nine Months Ended 2017 Securities available for sale $ 131,345 $ 2,610 $ 24,349 $ 416 $ 358 2016 Securities available for sale $ 63,641 $ 630 $ 27,696 $ 1,117 $ 281 We held 81 available for sale securities having an unrealized loss at September 30, 2017 . We do not intend to sell these securities, and it is more likely than not that we will not be required to sell these securities before recovery of their amortized cost bases. We believe that this decline in value is primarily attributable to the lack of market liquidity and to changes in market interest rates and not due to credit quality. Accordingly, no other-than-temporary impairment charge to earnings is warranted at this time. Provided below is a summary of securities available for sale which were in an unrealized loss position at September 30, 2017 and December 31, 2016 . September 30, 2017 Less than 12 months 12 months or more Total Dollars in thousands Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Temporarily impaired securities Taxable debt securities U.S. Government agencies and corporations $ 5,374 $ (25 ) $ 2,712 $ (39 ) $ 8,086 $ (64 ) Residential mortgage-backed securities: Government-sponsored agencies 29,222 (316 ) 13,476 (403 ) 42,698 (719 ) Nongovernment-sponsored entities — — 949 (8 ) 949 (8 ) State and political subdivisions: General obligations 734 (1 ) — — 734 (1 ) Other revenues 4,816 (29 ) — — 4,816 (29 ) Corporate debt securities 3,014 (39 ) 1,653 (97 ) 4,667 (136 ) Tax-exempt debt securities State and political subdivisions: General obligations 14,204 (164 ) 10,236 (346 ) 24,440 (510 ) Water and sewer revenues 6,702 (74 ) — — 6,702 (74 ) Lease revenues 571 (2 ) 1,061 (69 ) 1,632 (71 ) Electric revenues 2,146 (23 ) — — 2,146 (23 ) University revenues 3,508 (22 ) — — 3,508 (22 ) Other revenues 4,279 (42 ) 1,278 (73 ) 5,557 (115 ) Total temporarily impaired securities 74,570 (737 ) 31,365 (1,035 ) 105,935 (1,772 ) Total $ 74,570 $ (737 ) $ 31,365 $ (1,035 ) $ 105,935 $ (1,772 ) December 31, 2016 Less than 12 months 12 months or more Total Dollars in thousands Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Temporarily impaired securities Taxable debt securities U.S. Government agencies and corporations $ 763 $ (5 ) $ 2,575 $ (43 ) $ 3,338 $ (48 ) Residential mortgage-backed securities: Government-sponsored agencies 55,388 (985 ) 8,389 (174 ) 63,777 (1,159 ) Nongovernment-sponsored entities 97 — 3,013 (22 ) 3,110 (22 ) Corporate debt securities 968 (31 ) 3,136 (117 ) 4,104 (148 ) Tax-exempt debt securities State and political subdivisions: General obligations 33,115 (1,388 ) — — 33,115 (1,388 ) Water and sewer revenues 4,761 (149 ) — — 4,761 (149 ) Lease revenues 7,011 (201 ) — — 7,011 (201 ) Electric revenues 1,973 (48 ) — — 1,973 (48 ) Sales tax revenues 2,836 (34 ) — — 2,836 (34 ) Other revenues 8,445 (371 ) — — 8,445 (371 ) Total temporarily impaired securities 115,357 (3,212 ) 17,113 (356 ) 132,470 (3,568 ) Total $ 115,357 $ (3,212 ) $ 17,113 $ (356 ) $ 132,470 $ (3,568 )

Loans

Loans	9 Months Ended
	Sep. 30, 2017
Loans and Leases Receivable Disclosure [Abstract]
Loans	LOANS Loans are summarized as follows: Dollars in thousands September 30, December 31, September 30, Commercial $ 187,193 $ 119,088 $ 110,466 Commercial real estate Owner-occupied 239,840 203,047 192,254 Non-owner occupied 464,543 381,921 367,196 Construction and development Land and land development 71,412 72,042 65,430 Construction 28,756 16,584 11,276 Residential real estate Non-jumbo 355,642 265,641 228,777 Jumbo 61,253 65,628 57,276 Home equity 82,720 74,596 75,161 Mortgage warehouse lines 33,525 85,966 108,983 Consumer 36,915 25,534 19,756 Other 9,994 9,489 9,649 Total loans, net of unearned fees 1,571,793 1,319,536 1,246,224 Less allowance for loan losses 12,465 11,674 11,619 Loans, net $ 1,559,328 $ 1,307,862 $ 1,234,605 The outstanding balance and the recorded investment of acquired loans included in the consolidated balance sheet at September 30, 2017 are as follows: Acquired Loans Dollars in thousands Purchased Credit Impaired Purchased Performing Total Outstanding balance $ 6,393 $ 238,314 $ 244,707 Recorded investment Commercial $ 11 $ 31,430 $ 31,441 Commercial real estate Owner-occupied 695 23,084 23,779 Non-owner occupied 1,846 35,704 37,550 Construction and development Land and land development — 9,080 9,080 Construction — 2,226 2,226 Residential real estate Non-jumbo 1,861 114,756 116,617 Jumbo 1,005 3,443 4,448 Home equity — 3,431 3,431 Consumer — 13,050 13,050 Other — 236 236 Total recorded investment $ 5,418 $ 236,440 $ 241,858 The following table presents a summary of the change in the accretable yield of the PCI loan portfolio for the period from January 1, 2017 to September 30, 2017: Dollars in thousands Accretable yield, January 1, 2017 $ 290 Accretion (135 ) Additions for First Century Bankshares, Inc. acquisition 661 Reclassification of nonaccretable difference due to improvement in expected cash flows — Other changes, net (13 ) Accretable yield, September 30, 2017 $ 803 The following table presents the contractual aging of the recorded investment in past due loans by class as of September 30, 2017 and 2016 and December 31, 2016 . At September 30, 2017 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 204 $ 175 $ 65 $ 444 $ 186,749 $ — Commercial real estate Owner-occupied 469 45 740 1,254 238,586 — Non-owner occupied 177 252 1,969 2,398 462,145 — Construction and development Land and land development 268 21 3,880 4,169 67,243 — Construction — — — — 28,756 — Residential mortgage Non-jumbo 4,860 2,062 4,837 11,759 343,883 — Jumbo — — — — 61,253 — Home equity 50 290 657 997 81,723 — Mortgage warehouse lines — — — — 33,525 — Consumer 387 173 405 965 35,950 35 Other 56 — — 56 9,938 — Total $ 6,471 $ 3,018 $ 12,553 $ 22,042 $ 1,549,751 $ 35 At December 31, 2016 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 90 $ 86 $ 165 $ 341 $ 118,747 $ — Commercial real estate Owner-occupied 93 — 509 602 202,445 — Non-owner occupied 340 — 65 405 381,516 — Construction and development Land and land development 423 129 3,852 4,404 67,638 — Construction — — — — 16,584 — Residential mortgage Non-jumbo 4,297 1,889 3,287 9,473 256,168 — Jumbo — — — — 65,628 — Home equity — 302 57 359 74,237 — Mortgage warehouse lines — — — — 85,966 — Consumer 308 84 150 542 24,992 — Other — — — — 9,489 — Total $ 5,551 $ 2,490 $ 8,085 $ 16,126 $ 1,303,410 $ — At September 30, 2016 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 301 $ 138 $ 602 $ 1,041 $ 109,425 $ — Commercial real estate Owner-occupied 251 — 505 756 191,498 — Non-owner occupied 311 78 — 389 366,807 — Construction and development Land and land development 238 — 3,731 3,969 61,461 — Construction — — — — 11,276 — Residential mortgage Non-jumbo 1,932 1,488 2,762 6,182 222,595 — Jumbo — — — — 57,276 — Home equity — 136 318 454 74,707 — Mortgage warehouse lines — — — — 108,983 — Consumer 135 44 148 327 19,429 21 Other — — — — 9,649 — Total $ 3,168 $ 1,884 $ 8,066 $ 13,118 $ 1,233,106 $ 21 Nonaccrual loans: The following table presents the nonaccrual loans included in the net balance of loans at September 30, 2017 , December 31, 2016 and September 30, 2016 . September 30, December 31, Dollars in thousands 2017 2016 2016 Commercial $ 757 $ 846 $ 298 Commercial real estate Owner-occupied 740 505 509 Non-owner occupied 2,033 4,362 4,336 Construction and development Land & land development 3,931 4,360 4,465 Construction — — — Residential mortgage Non-jumbo 7,309 3,680 4,621 Jumbo — — — Home equity 773 494 194 Mortgage warehouse lines — — — Consumer 494 148 151 Total $ 16,037 $ 14,395 $ 14,574 Impaired loans: Impaired loans include the following: ▪ Loans which we risk-rate (consisting of loan relationships having aggregate balances in excess of $ 2.5 million , or loans exceeding $ 500,000 and exhibiting credit weakness) through our normal loan review procedures and which, based on current information and events, it is probable that we will be unable to collect all amounts due in accordance with the original contractual terms of the loan agreement. Risk-rated loans with insignificant delays or insignificant short falls in the amount of payments expected to be collected are not considered to be impaired. ▪ Loans that have been modified in a troubled debt restructuring. Both commercial and consumer loans are deemed impaired upon being contractually modified in a troubled debt restructuring. Troubled debt restructurings typically result from our loss mitigation activities and occur when we grant a concession to a borrower who is experiencing financial difficulty in order to minimize our economic loss and to avoid foreclosure or repossession of collateral. Once restructured, a loan is generally considered impaired until its maturity, regardless of whether the borrower performs under the modified terms. Although such a loan may be returned to accrual status if the criteria set forth in our accounting policy are met, the loan would continue to be evaluated for an asset-specific allowance for loan losses and we would continue to report the loan in the impaired loan table below. The following tables present loans individually evaluated for impairment at September 30, 2017 , December 31, 2016 and September 30, 2016 . September 30, 2017 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 254 $ 254 $ — $ 264 $ 10 Commercial real estate Owner-occupied 7,138 7,141 — 4,869 185 Non-owner occupied 9,884 9,886 — 10,142 511 Construction and development Land & land development 5,029 5,029 — 4,729 87 Construction — — — — — Residential real estate Non-jumbo 4,200 4,210 — 4,294 209 Jumbo 3,581 3,580 — 3,605 171 Home equity 524 523 — 523 25 Mortgage warehouse lines — — — — — Consumer 29 29 — 34 3 Total without a related allowance $ 30,639 $ 30,652 $ — $ 28,460 $ 1,201 With a related allowance Commercial $ 259 $ 259 $ 259 $ 266 $ — Commercial real estate Owner-occupied 2,448 2,448 127 2,456 121 Non-owner occupied 1,014 1,018 501 2 — Construction and development Land & land development 1,470 1,470 525 1,482 56 Construction — — — — — Residential real estate Non-jumbo 1,728 1,729 217 1,681 82 Jumbo 841 842 15 847 42 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 7,760 $ 7,766 $ 1,644 $ 6,734 $ 301 Total Commercial $ 27,496 $ 27,505 $ 1,412 $ 24,210 $ 970 Residential real estate 10,874 10,884 232 10,950 529 Consumer 29 29 — 34 3 Total $ 38,399 $ 38,418 $ 1,644 $ 35,194 $ 1,502 December 31, 2016 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 285 $ 285 $ — $ 247 $ 10 Commercial real estate Owner-occupied 520 520 — 534 31 Non-owner occupied 10,203 10,205 — 10,675 294 Construction and development Land & land development 5,227 5,227 — 5,270 80 Construction — — — — — Residential real estate Non-jumbo 4,055 4,065 — 3,910 193 Jumbo 3,640 3,639 — 3,693 175 Home equity 524 523 — 523 22 Mortgage warehouse lines — — — — — Consumer 44 44 — 50 5 Total without a related allowance $ 24,498 $ 24,508 $ — $ 24,902 $ 810 With a related allowance Commercial $ — $ — $ — $ — $ — Commercial real estate Owner-occupied 6,864 6,864 347 6,879 269 Non-owner occupied 1,311 1,311 197 1,327 43 Construction and development Land & land development 2,066 2,066 585 2,074 80 Construction — — — — — Residential real estate Non-jumbo 2,055 2,057 251 1,851 78 Jumbo 853 853 24 862 44 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 13,149 $ 13,151 $ 1,404 $ 12,993 $ 514 Total Commercial $ 26,476 $ 26,478 $ 1,129 $ 27,006 $ 807 Residential real estate 11,127 11,137 275 10,839 512 Consumer 44 44 — 50 5 Total $ 37,647 $ 37,659 $ 1,404 $ 37,895 $ 1,324 September 30, 2016 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 791 $ 790 $ — $ 400 $ 9 Commercial real estate Owner-occupied 4,914 4,914 — 4,932 188 Non-owner occupied 10,394 10,396 — 10,831 456 Construction and development Land & land development 6,181 6,181 — 6,207 104 Construction — — — — — Residential real estate Non-jumbo 3,852 3,861 — 3,732 170 Jumbo 3,683 3,682 — 3,711 176 Home equity 713 713 — 710 21 Mortgage warehouse lines — — — — — Consumer 48 48 — 52 5 Total without a related allowance $ 30,576 $ 30,585 $ — $ 30,575 $ 1,129 With a related allowance Commercial $ 19 $ 19 $ 19 $ 6 $ — Commercial real estate Owner-occupied 2,499 2,499 12 2,491 112 Non-owner occupied 1,321 1,321 132 1,332 43 Construction and development Land & land development 1,140 1,141 492 1,155 58 Construction — — — — — Residential real estate Non-jumbo 2,617 2,619 216 2,329 103 Jumbo 859 859 25 864 43 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 8,455 $ 8,458 $ 896 $ 8,177 $ 359 Total Commercial $ 27,259 $ 27,261 $ 655 $ 27,354 $ 970 Residential real estate 11,724 11,734 241 11,346 513 Consumer 48 48 — 52 5 Total $ 39,031 $ 39,043 $ 896 $ 38,752 $ 1,488 Included in impaired loans are TDRs of $29.1 million , of which $28.3 million were current with respect to restructured contractual payments at September 30, 2017 , and $28.6 million , of which $28.1 million were current with respect to restructured contractual payments at December 31, 2016 . There were no commitments to lend additional funds under these restructurings at either balance sheet date. The following table presents by class the TDRs that were restructured during the three and nine months ended September 30, 2017 and September 30, 2016 . Generally, the modifications were extensions of term, modifying the payment terms from principal and interest to interest only for an extended period, or reduction in interest rate. All TDRs are evaluated individually for allowance for loan loss purposes. For the Three Months Ended For the Three Months Ended Dollars in thousands Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Commercial real estate Owner-occupied 1 $ 2,302 $ 2,302 — $ — $ — Non-owner occupied 1 148 148 — — — Construction and development Land & land development 1 438 438 — — — Residential real estate Non-jumbo — — — 1 307 307 Total 3 $ 2,888 $ 2,888 1 $ 307 $ 307 For the Nine Months Ended For the Nine Months Ended Dollars in thousands Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Commercial real estate Owner-occupied 1 $ 2,302 $ 2,302 — $ — $ — Non-owner occupied 1 148 148 — — — Construction and development Land & land development 1 438 438 — — — Residential real estate Non-jumbo 5 1,086 1,086 4 702 702 Consumer — — — 1 2 2 Total 8 $ 3,974 $ 3,974 5 $ 704 $ 704 During the three months and nine months ended September 30, 2017, four non-jumbo residential real estate loans and one land & land development loan that had been restructured within the past twelve months defaulted. A default is considered as either the loan was past due 30 days or more at any time during the period, or the loan was fully or partially charged off during the period. The following tables detail the activity regarding TDRs by loan type, net of fees, for the three months and nine months ended September 30, 2017 , and the related allowance on TDRs. For the Three Months Ended September 30, 2017 Construction & Land Development Commercial Real Estate Residential Real Estate Dollars in thousands Land & Land Develop- ment Construc- tion Commer- cial Owner Occupied Non- Owner Occupied Non- jumbo Jumbo Home Equity Mortgage Warehouse Lines Con- sumer Other Total Troubled debt restructurings Balance July 1, 2017 $ 2,639 $ — $ 438 $ 7,315 $ 5,245 $ 6,200 $ 4,456 $ 523 $ — $ 34 $ — $ 26,850 Additions 438 — — 2,302 148 — — — — — — 2,888 Charge-offs — — — — — — — — — — — — Net (paydowns) advances (15 ) — (12 ) (31 ) (45 ) (621 ) (33 ) — — (5 ) — (762 ) Transfer into foreclosed properties — — — — — — — — — — — — Refinance out of TDR status — — — — — — — — — — — — Balance, September 30, 2017 $ 3,062 $ — $ 426 $ 9,586 $ 5,348 $ 5,579 $ 4,423 $ 523 $ — $ 29 $ — $ 28,976 Allowance related to troubled debt restructurings $ 461 $ — $ 259 $ 127 $ — $ 217 $ 15 $ — $ — $ — $ — $ 1,079 For the Nine Months Ended September 30, 2017 Construction & Land Development Commercial Real Estate Residential Real Estate Dollars in thousands Land & Land Develop- ment Construc- tion Commer- cial Owner Occupied Non- Owner Occupied Non- jumbo Jumbo Home Equity Mortgage Warehouse Lines Con- sumer Other Total Troubled debt restructurings Balance January 1, 2017 $ 3,337 $ — $ 711 $ 7,383 $ 6,714 $ 5,417 $ 4,493 $ 523 $ — $ 44 $ — $ 28,622 Additions 438 — — 2,302 148 1,086 — — — — — 3,974 Charge-offs — — — — (65 ) — — — — — — (65 ) Net (paydowns) advances (713 ) — (285 ) (99 ) (1,449 ) (924 ) (70 ) — — (15 ) — (3,555 ) Transfer into foreclosed properties — — — — — — — — — — — — Refinance out of TDR status — — — — — — — — — — — — Balance, September 30, 2017 $ 3,062 $ — $ 426 $ 9,586 $ 5,348 $ 5,579 $ 4,423 $ 523 $ — $ 29 $ — $ 28,976 Allowance related to troubled debt restructurings $ 461 $ — $ 259 $ 127 $ — $ 217 $ 15 $ — $ — $ — $ — $ 1,079 The following table presents the recorded investment in construction and development, commercial, and commercial real estate loans which are generally evaluated based upon our internal risk ratings. Loan Risk Profile by Internal Risk Rating Construction and Development Commercial Real Estate Land and Land Development Construction Commercial Owner Occupied Non-Owner Occupied Mortgage Warehouse Lines Dollars in thousands 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 Pass $ 64,744 $ 64,144 $ 28,756 $ 16,584 $ 183,966 $ 117,214 $ 232,329 $ 201,113 $ 454,433 $ 375,181 $ 33,525 $ 85,966 OLEM (Special Mention) 1,593 2,097 — — 2,468 1,471 3,578 567 1,722 1,381 — — Substandard 5,075 5,801 — — 759 403 3,933 1,367 8,388 5,359 — — Doubtful — — — — — — — — — — — — Loss — — — — — — — — — — — — Total $ 71,412 $ 72,042 $ 28,756 $ 16,584 $ 187,193 $ 119,088 $ 239,840 $ 203,047 $ 464,543 $ 381,921 $ 33,525 $ 85,966 The following table presents the recorded investment and payment activity in consumer, residential real estate, and home equity loans, which are generally evaluated based on the aging status of the loans. Performing Nonperforming Dollars in thousands 9/30/2017 12/31/2016 9/30/2016 9/30/2017 12/31/2016 9/30/2016 Residential real estate Non-jumbo $ 348,333 $ 261,020 $ 225,097 $ 7,309 $ 4,621 $ 3,680 Jumbo 61,253 65,628 57,276 — — — Home Equity 81,947 74,402 74,667 773 194 494 Consumer 36,349 25,368 19,574 566 166 182 Other 9,994 9,489 9,649 — — — Total $ 537,876 $ 435,907 $ 386,263 $ 8,648 $ 4,981 $ 4,356

Allowance For Loan Losses

Allowance For Loan Losses	9 Months Ended
	Sep. 30, 2017
Allowance for Loan and Lease Losses Write-offs, Net [Abstract]
Allowance for Loan Losses	ALLOWANCE FOR LOAN LOSSES An analysis of the allowance for loan losses for the nine month periods ended September 30, 2017 and 2016 , and for the year ended December 31, 2016 is as follows: Nine Months Ended Year Ended Dollars in thousands 2017 2016 2016 Balance, beginning of year $ 11,674 $ 11,472 $ 11,472 Charge-offs: Commercial 23 379 489 Commercial real estate Owner occupied 3 179 179 Non-owner occupied 65 122 124 Construction and development Land and land development 3 50 127 Construction 21 — 9 Residential real estate Non-jumbo 200 119 169 Jumbo 2 — — Home equity 95 117 175 Mortgage warehouse lines — — — Consumer 147 61 98 Other 179 128 185 Total 738 1,155 1,555 Recoveries: Commercial 13 69 73 Commercial real estate Owner occupied 82 25 31 Non-owner occupied 92 13 17 Construction and development Land and land development 246 514 840 Construction — — — Real estate - mortgage Non-jumbo 50 58 136 Jumbo — 6 6 Home equity 29 3 3 Mortgage warehouse lines — — — Consumer 64 55 76 Other 78 59 75 Total 654 802 1,257 Net charge-offs 84 353 298 Provision for loan losses 875 500 500 Balance, end of period $ 12,465 $ 11,619 $ 11,674 Activity in the allowance for loan losses by loan class during the first nine months of 2017 is as follows: Allowance for loan losses Allowance related to: Loans Beginning Balance Charge- offs Recoveries Provision Ending Balance Loans individua- lly evaluated for impairm- ent Loans collective- ly evaluated for impairm- ent Loans acquired with deteriora- ted credit quality (PCI) Total Loans individua- lly evaluated for impairm- ent Loans collective- ly evaluated for impairm- ent Loans Total Commercial $ 934 $ (23 ) $ 13 $ 293 $ 1,217 $ 259 $ 958 $ — $ 1,217 $ 513 $ 186,669 $ 11 $ 187,193 Commercial real estate Owner occupied 2,109 (3 ) 82 121 2,309 127 2,178 4 2,309 9,586 229,559 695 239,840 Non-owner occupied 3,438 (65 ) 92 1,709 5,174 501 4,670 3 5,174 10,898 451,799 1,846 464,543 Construction and development Land and land development 2,263 (3 ) 246 (1,858 ) 648 525 123 — 648 6,499 64,913 — 71,412 Construction 24 (21 ) — 13 16 — 16 — 16 — 28,756 — 28,756 Residential real estate Non-jumbo 2,174 (200 ) 50 24 2,048 217 1,829 2 2,048 5,928 347,853 1,861 355,642 Jumbo 95 (2 ) — (15 ) 78 15 63 — 78 4,422 55,826 1,005 61,253 Home equity 413 (95 ) 29 261 608 — 608 — 608 524 82,196 — 82,720 Mortgage warehouse lines — — — — — — — — — — 33,525 — 33,525 Consumer 121 (147 ) 64 177 215 — 215 — 215 29 36,886 — 36,915 Other 103 (179 ) 78 150 152 — 152 — 152 — 9,994 — 9,994 Total $ 11,674 $ (738 ) $ 654 $ 875 $ 12,465 $ 1,644 $ 10,812 $ 9 $ 12,465 $ 38,399 $ 1,527,976 $ 5,418 $ 1,571,793

Goodwill And Other Intangible A

Goodwill And Other Intangible Assets	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	GOODWILL AND OTHER INTANGIBLE ASSETS Effective July 1, 2017, we early adopted ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment which simplifies 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. The adoption of ASU 2017-04 had no impact on our consolidated financial statements. During third quarter 2017, we performed the qualitative assessment of the goodwill of our community banking and insurance services reporting units and determined that the fair values of the reporting units were more likely than not greater than their carrying values. In performing the qualitative assessments, we considered certain events and circumstances specific to each reporting unit, such as macroeconomic conditions, industry and market considerations, overall financial performance and cost factors when evaluating whether it is more likely than not that the fair values of our community banking or insurance services reporting units are less than their carrying values. No indicators of impairment for either reporting unit were noted as of September 30, 2017. The following tables present our goodwill by reporting unit at September 30, 2017 and other intangible assets by reporting unit at September 30, 2017 and December 31, 2016 . Goodwill Activity Dollars in thousands Community Banking Insurance Services Total Balance, January 1, 2017 $ 6,280 $ 4,710 $ 10,990 Reclassifications to goodwill 31 — 31 Acquired goodwill, net 4,252 — 4,252 Balance, September 30, 2017 $ 10,563 $ 4,710 $ 15,273 Other Intangible Assets September 30, 2017 December 31, 2016 Dollars in thousands Community Banking Insurance Services Total Community Banking Insurances Services Total Identifiable intangible assets Gross carrying amount $ 12,528 $ 3,000 $ 15,528 $ 1,610 $ 3,000 $ 4,610 Less: accumulated amortization 872 2,050 2,922 47 1,900 1,947 Net carrying amount $ 11,656 $ 950 $ 12,606 $ 1,563 $ 1,100 $ 2,663 We recorded amortization expense of approximately $974,000 for the nine months ended September 30, 2017 relative to our identifiable intangible assets. Amortization relative to our identifiable intangible assets is expected to approximate the following during the next five years: Core Deposit Customer Dollars in thousands Intangible Intangible 2017 $ 1,210 $ 200 2018 1,471 200 2019 1,368 200 2020 1,265 200 2021 1,162 200

Deposits

Deposits	9 Months Ended
	Sep. 30, 2017
Deposits [Abstract]
Deposits	DEPOSITS The following is a summary of interest bearing deposits by type as of September 30, 2017 and 2016 and December 31, 2016 : Dollars in thousands September 30, December 31, September 30, Demand deposits, interest bearing $ 397,843 $ 262,591 $ 212,172 Savings deposits 362,653 337,348 321,563 Time deposits 640,362 545,843 500,397 Total $ 1,400,858 $ 1,145,782 $ 1,034,132 Included in time deposits are deposits acquired through a third party (“brokered deposits”) totaling $219.8 million , $205.7 million and $178.9 million at September 30, 2017 , December 31, 2016 , and September 30, 2016 , respectively. A summary of the scheduled maturities for all time deposits as of September 30, 2017 is as follows: Dollars in thousands Three month period ending December 31, 2017 $ 81,870 Year ending December 31, 2018 232,020 Year ending December 31, 2019 140,028 Year ending December 31, 2020 88,444 Year ending December 31, 2021 54,858 Thereafter 43,142 Total $ 640,362 The following is a summary of the maturity distribution of all certificates of deposit in denominations of $100,000 or more as of September 30, 2017 : Dollars in thousands Amount Percent Three months or less $ 52,185 11.9 % Three through six months 54,568 12.4 % Six through twelve months 66,426 15.1 % Over twelve months 265,855 60.6 % Total $ 439,034 100.00 %

Borrowed Funds

Borrowed Funds	9 Months Ended
	Sep. 30, 2017
Debt Disclosure [Abstract]
Borrowed Funds	BORROWED FUNDS Short-term borrowings: A summary of short-term borrowings is presented below: Nine Months Ended September 30, 2017 2016 Dollars in thousands Short-term FHLB Advances Federal Funds Purchased and Lines of Credit Short-term FHLB Advances Federal Funds Purchased and Lines of Credit Balance at September 30 $ 199,500 $ 3,488 $ 231,200 $ 3,457 Average balance outstanding for the period 196,728 3,474 177,239 3,455 Maximum balance outstanding at any month end during period 229,300 3,488 231,200 3,457 Weighted average interest rate for the period 1.10 % 1.03 % 0.59 % 0.50 % Weighted average interest rate for balances outstanding at September 30 1.32 % 1.25 % 0.54 % 0.50 % Long-term borrowings: Our long-term borrowings of $45.8 million , $46.7 million and $74.1 million at September 30, 2017 , December 31, 2016 , and September 30, 2016 respectively, consisted primarily of advances from the Federal Home Loan Bank (“FHLB”) and structured repurchase agreements with unaffiliated institutions. All FHLB advances are collateralized primarily by similar amounts of residential mortgage loans, certain commercial loans, mortgage backed securities and securities of U. S. Government agencies and corporations. Balance at September 30, Balance at Dollars in thousands 2017 2016 2016 Long-term FHLB advances $ 755 $ 792 $ 767 Long-term repurchase agreements 45,000 72,000 45,000 Term loan — 1,354 903 Total $ 45,755 $ 74,146 $ 46,670 At December 31, 2016 , the term loan was secured by the common stock of our subsidiary bank, had a variable interest rate of prime minus 50 basis points and matured in second quarter 2017. Our long term FHLB borrowings and repurchase agreements bear both fixed and variable rates and mature in varying amounts through the year 2026. The average interest rate paid on long-term borrowings for the nine month period ended September 30, 2017 was 4.32% compared to 4.43% for the first nine months of 2016 . Subordinated debentures owed to unconsolidated subsidiary trusts: We have three statutory business trusts that were formed for the purpose of issuing mandatorily redeemable securities (the “capital securities”) for which we are obligated to third party investors and investing the proceeds from the sale of the capital securities in our junior subordinated debentures (the “debentures”). The debentures held by the trusts are their sole assets. Our subordinated debentures totaled $ 19.6 million at September 30, 2017 , December 31, 2016 , and September 30, 2016 . The capital securities held by SFG Capital Trust I, SFG Capital Trust II, and SFG Capital Trust III qualify as Tier 1 capital under Federal Reserve Board guidelines. In accordance with these Guidelines, trust preferred securities generally are limited to 25% of Tier 1 capital elements, net of goodwill. The amount of trust preferred securities and certain other elements in excess of the limit can be included in Tier 2 capital. A summary of the maturities of all long-term borrowings and subordinated debentures for the next five years and thereafter is as follows: Dollars in thousands Long-term borrowings Subordinated debentures owed to unconsolidated subsidiary trusts Year Ending December 31, 2017 $ 4 $ — 2018 45,017 — 2019 18 — 2020 19 — 2021 20 — Thereafter 677 19,589 $ 45,755 $ 19,589

Share Based Compensation

Share Based Compensation	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share Based Compensation	SHARE-BASED COMPENSATION The 2014 Long-Term Incentive Plan (“2014 LTIP”) was adopted by our shareholders in May 2014 to enhance the ability of the Company to attract and retain exceptionally qualified individuals to serve as key employees. The LTIP provides for the issuance of up to 500,000 shares of common stock, in the form of equity awards including stock options, restricted stock, restricted stock units, stock appreciation rights ("SARs"), performance units, other stock-based awards or any combination thereof, to our key employees. Stock options awarded under the 2009 Officer Stock Option Plan and the 1998 Officer Stock Option Plan (collectively, the “Plans”) were not altered by the 2014 LTIP, and remain subject to the terms of the Plans. However, under the terms of the 2014 LTIP, all shares of common stock remaining issuable under the Plans at the time the 2014 LTIP was adopted ceased to be available for future issuance. Under the 2014 LTIP and the Plans, stock options and SARs have generally been granted with an exercise price equal to the fair value of Summit's common stock on the grant date. We periodically grant employee stock options to individual employees. During first quarter 2017, we granted 53,309 SARs that become exercisable ratably over five years ( 20% per year) and expire ten years after the grant date. We granted 34,306 SARS that become exercisable ratably over seven years ( 14.29% per year) and expire ten years after the grant date. There were no grants of stock options or SARs during the three months ended September 30, 2017 or the first nine months of 2016. The fair value of our employee stock options and SARs granted under the Plans is estimated at the date of grant using the Black-Scholes option-pricing model. This model requires the input of highly subjective assumptions, changes to which can materially affect the fair value estimate. Additionally, there may be other factors that would otherwise have a significant effect on the value of employee stock options and SARs granted but are not considered by the model. Because our employee stock options and SARs have characteristics significantly different from those of traded options and because changes in the subjective input assumptions can materially affect the fair value estimate, in management’s opinion, the existing models do not necessarily provide a reliable single measure of the fair value of its employee stock options and SARs at the time of grant. The assumptions used to value SARs issued during 2017 were as follows: 5-year vesting SARs 7-year vesting SARs Risk-free interest rate 2.16 % 2.24 % Expected dividend yield 1.45 % 1.45 % Expected common stock volatility 60.05 % 59.60 % Expected life 6.5 years 7.0 years We recognize compensation expense based on the estimated number of stock awards expected to actually vest, exclusive of the awards expected to be forfeited. During the first nine months of 2017 and 2016 , our share-based compensation expense was $285,000 and $150,000 and the related deferred tax benefits were approximately $105,000 and $56,000 . A summary of activity in our Plans during the first nine months of 2017 and 2016 is as follows: For the Nine Months Ended September 30, 2017 2016 Options/SARs Weighted-Average Exercise Price Options/SARs Weighted-Average Exercise Price Outstanding, January 1 217,857 $ 13.56 244,147 $ 14.05 Granted 87,615 26.01 — — Exercised (2,000 ) 6.21 — — Forfeited — — — — Expired — — — — Outstanding, September 30 303,472 $ 17.20 244,147 $ 14.05 Other information regarding awards outstanding and exercisable at September 30, 2017 is as follows: Options/SARs Outstanding Options/SARs Exercisable Range of exercise price # of awards WAEP Wted. Avg. Remaining Contractual Life (yrs) Aggregate Intrinsic Value (in thousands) # of awards WAEP Aggregate Intrinsic Value (in thousands) $2.54 - $6.00 5,000 $ 2.54 5.83 $ 116 5,000 $ 2.54 $ 116 6.01 - 10.00 5,640 8.91 1.29 94 5,640 8.91 94 10.01 - 17.50 166,717 12.01 7.57 2,275 66,687 12.01 910 17.51 - 20.00 15,100 17.81 0.78 119 15,100 17.81 119 20.01 - 25.93 111,015 25.99 7.64 — 23,400 25.93 — 303,472 17.20 $ 2,604 115,827 15.02 $ 1,239

Commitments And Contingencies

Commitments And Contingencies	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES Off-Balance Sheet Arrangements We are a party to certain financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of our customers. These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the statement of financial position. The contract amounts of these instruments reflect the extent of involvement that we have in this class of financial instruments. Many of our lending relationships contain both funded and unfunded elements. The funded portion is reflected on our balance sheet. The unfunded portion of these commitments is not recorded on our balance sheet until a draw is made under the loan facility. Since many of the commitments to extend credit may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements. A summary of the total unfunded, or off-balance sheet, credit extension commitments follows: Dollars in thousands September 30, Commitments to extend credit: Revolving home equity and credit card lines $ 68,616 Construction loans 56,715 Other loans 104,778 Standby letters of credit 3,469 Total $ 233,578 Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. We evaluate each customer's credit worthiness on a case-by-case basis. The amount of collateral obtained, if we deem necessary upon extension of credit, is based on our credit evaluation. Collateral held varies but may include accounts receivable, inventory, equipment or real estate. Standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party. Our exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit is represented by the contractual amount of those instruments. We use the same credit policies in making commitments and conditional obligations as we do for on-balance sheet instruments. Litigation On May 13, 2014, the ResCap Liquidating Trust (“ResCap”), as successor to Residential Funding Company, LLC f/k/a Residential Funding Corporation (“RFC”), filed a complaint against Summit Financial Mortgage, LLC (“Summit Mortgage”), a former residential mortgage subsidiary of Summit whose operations were discontinued in 2007, in the United States Bankruptcy Court for the Southern District of New York and subsequently amended its complaint on July 25, 2014. Furthermore, on January 23, 2017, ResCap, as successor to RFC (together with RFC, the "RFC Parties"), filed a complaint against Summit Community Bank, Inc., as successor to Shenandoah Valley Community Bank (“Summit”), in the United States District Court for the District of Minnesota (collectively, the “ResCap Litigation”). Additional information regarding the ResCap Litigation is included under the caption “Legal Contingencies” in Note 17 of our consolidated financial statements beginning on page 92 of our Form 10-K for the year ended December 31, 2016. On April 24, 2017, Summit Community Bank, Inc. entered into a Settlement and Release Agreement (the “Settlement Agreement”) with the RFC parties with respect to the Rescap Litigation. Under the Settlement Agreement, Summit Community Bank paid $9.9 million to fully resolve all claims by the RFC Parties, and to avoid the further costs, disruption, and distraction of defending the Rescap Litigation. Summit recorded a charge to noninterest expense in its consolidated statement of income for the three months ended March 31, 2017 to recognize this settlement. We are not a party to any other litigation except for matters that arise in the normal course of business. While it is impossible to ascertain the ultimate resolution or range of financial liability if any, with respect to these contingent matters, in the opinion of management, the outcome of these matters will not have a significant adverse effect on the consolidated financial statements.

Regulatory Matters

Regulatory Matters	9 Months Ended
	Sep. 30, 2017
Banking and Thrift [Abstract]
Regulatory Matters	REGULATORY MATTERS We and our subsidiaries are subject to various regulatory capital requirements administered by the banking regulatory agencies. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, we and each of our subsidiaries must meet specific capital guidelines that involve quantitative measures of our and our subsidiaries’ assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. We and each of our subsidiaries’ capital amounts and classifications are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. Quantitative measures established by regulation to ensure capital adequacy require us and each of our subsidiaries to maintain minimum amounts and ratios of Common Equity Tier ("CET1") 1, Total capital and Tier I capital (as defined in the regulations) to risk-weighted assets (as defined), and of Tier I capital (as defined) to average assets (as defined). We believe, as of September 30, 2017 , that we and each of our subsidiaries met all capital adequacy requirements to which they were subject. The most recent notifications from the banking regulatory agencies categorized us and each of our subsidiaries as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized, we and each of our subsidiaries must maintain minimum CET1, Total risk-based, Tier I risk-based, and Tier I leverage ratios as set forth in the table below. The Basel III Capital Rules became effective for us on January 1, 2015, with full compliance with all of the final rule's requirements phased in over a multi-year schedule, to be fully phased-in by January 1, 2019. As of September 30, 2017 , our capital levels remained characterized as "well-capitalized" under the new rules. See the Capital Requirements section included in Part I Item 1 Business of our 2015 Annual Report on Form 10-K for further discussion of Basel III. The following table presents Summit's, as well as our subsidiary, Summit Community Bank's ("Summit Community"), actual and required minimum capital amounts and ratios as of September 30, 2017 and December 31, 2016 under the Basel III Capital Rules. The minimum required capital levels presented below reflect the minimum required capital levels (inclusive of the full capital conservation buffers) that will be effective as of January 1, 2019 when the Basel III Capital Rules have been fully phased-in. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules. Actual Minimum Required Capital - Basel III Fully Phased-in Minimum Required To Be Well Capitalized Dollars in thousands Amount Ratio Amount Ratio Amount Ratio As of September 30, 2017 CET1 (to risk weighted assets) Summit $ 176,666 10.8 % $ 114,506 7.0 % $ 106,327 6.5 % Summit Community 194,410 11.8 % 115,328 7.0 % 107,090 6.5 % Tier I Capital (to risk weighted assets) Summit 195,666 11.9 % 139,761 8.5 % 131,540 8.0 % Summit Community 194,410 11.8 % 140,041 8.5 % 131,803 8.0 % Total Capital (to risk weighted assets) Summit 208,130 12.7 % 172,076 10.5 % 163,882 10.0 % Summit Community 206,874 12.6 % 172,395 10.5 % 164,186 10.0 % Tier I Capital (to average assets) Summit 195,666 9.5 % 82,386 4.0 % 102,982 5.0 % Summit Community 194,410 9.4 % 82,728 4.0 % 103,410 5.0 % Actual Minimum Required Capital - Basel III Fully Phased-in Minimum Required To Be Well Capitalized Dollars in thousands Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016 CET1 (to risk weighted assets) Summit 146,494 10.5 % 97,663 7.0 % 90,687 6.5 % Summit Community 165,747 11.9 % 97,498 7.0 % 90,534 6.5 % Tier I Capital (to risk weighted assets) Summit 164,357 11.8 % 118,393 8.5 % 111,428 8.0 % Summit Community 165,747 11.9 % 118,391 8.5 % 111,427 8.0 % Total Capital (to risk weighted assets) Summit 176,031 12.6 % 146,693 10.5 % 139,707 10.0 % Summit Community 177,421 12.7 % 146,687 10.5 % 139,702 10.0 % Tier I Capital (to average assets) Summit 164,357 9.4 % 69,939 4.0 % 87,424 5.0 % Summit Community 165,747 9.5 % 69,788 4.0 % 87,235 5.0 %

Segment Information

Segment Information	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Segment Information	SEGMENT INFORMATION We operate three business segments: community banking, insurance services and trust and wealth management services. These segments are primarily identified by the products or services offered. The community banking segment consists of our full service banks which offer customers traditional banking products and services through various delivery channels. The insurance services segment includes two insurance agency offices that sell insurance products. The trust and wealth management segment includes Summit Community Bank's trust division and other non-bank investment products. The accounting policies discussed throughout the notes to the consolidated financial statements apply to each of our business segments. Inter-segment revenue and expense consists of management fees allocated to the community banking, insurance services and trust and wealth management segments for all centralized functions that are performed by the parent, including overall direction in the areas of strategic planning, investment portfolio management, asset/liability management, financial reporting and other financial and administrative services. Information for each of our segments is included below: Three Months Ended September 30, 2017 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 17,408 $ — $ — $ (176 ) $ — $ 17,232 Provision for loan losses 375 — — — — 375 Net interest income after provision for loan losses 17,033 — — (176 ) — 16,857 Other income 2,408 589 1,003 491 (491 ) 4,000 Other expenses 10,844 546 814 734 (491 ) 12,447 Income (loss) before income taxes 8,597 43 189 (419 ) — 8,410 Income tax expense (benefit) 2,482 16 92 (110 ) — 2,480 Net income (loss) $ 6,115 $ 27 $ 97 $ (309 ) $ — $ 5,930 Inter-segment revenue (expense) $ (451 ) $ — $ (40 ) $ 491 $ — $ — Average assets $ 2,110,832 $ — $ 6,288 $ 217,928 $ (246,788 ) $ 2,088,260 Capital expenditures $ 1,497 $ — $ — $ — $ — $ 1,497 Three Months Ended September 30, 2016 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 12,197 $ — $ — $ (160 ) $ — $ 12,037 Provision for loan losses — — — — — — Net interest income after provision for loan losses 12,197 — — (160 ) — 12,037 Other income 1,622 126 1,001 389 (389 ) 2,749 Other expenses 7,249 100 902 557 (389 ) 8,419 Income (loss) before income taxes 6,570 26 99 (328 ) — 6,367 Income tax expense (benefit) 2,145 10 40 (109 ) — 2,086 Net income (loss) $ 4,425 $ 16 $ 59 $ (219 ) $ — $ 4,281 Inter-segment revenue (expense) $ (361 ) $ — $ (28 ) $ 389 $ — $ — Average assets $ 1,609,343 $ — $ 6,005 $ 175,581 $ (201,875 ) $ 1,589,054 Capital expenditures $ 766 $ — $ — $ — $ — $ 766 Nine Months Ended September 30, 2017 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 49,220 $ — $ — $ (511 ) $ — $ 48,709 Provision for loan losses 875 — — — — 875 Net interest income after provision for loan losses 48,345 — — (511 ) — 47,834 Other income 6,280 1,284 2,932 1,473 (1,473 ) 10,496 Other expenses 41,351 1,219 2,495 1,807 (1,473 ) 45,399 Income (loss) before income taxes 13,274 65 437 (845 ) — 12,931 Income tax expense (benefit) 3,386 24 190 (261 ) — 3,339 Net income (loss) $ 9,888 $ 41 $ 247 $ (584 ) $ — $ 9,592 Inter-segment revenue (expense) $ (1,353 ) $ — $ (120 ) $ 1,473 $ — $ — Average assets $ 1,994,042 $ — $ 6,197 $ 203,459 $ (232,211 ) $ 1,971,487 Capital expenditures $ 5,544 $ — $ 36 $ 92 $ — $ 5,672 Nine Months Ended September 30, 2016 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 36,028 $ — $ — $ (478 ) $ — $ 35,550 Provision for loan losses 500 — — — — 500 Net interest income after provision for loan losses 35,528 — — (478 ) — 35,050 Other income 5,240 358 3,003 1,166 (1,166 ) 8,601 Other expenses 21,735 335 2,771 1,735 (1,166 ) 25,410 Income (loss) before income taxes 19,033 23 232 (1,047 ) — 18,241 Income tax expense (benefit) 5,888 9 95 (337 ) — 5,655 Net income (loss) $ 13,145 $ 14 $ 137 $ (710 ) $ — $ 12,586 Inter-segment revenue (expense) $ (1,081 ) $ — $ (85 ) $ 1,166 $ — $ — Average assets $ 1,565,099 $ — $ 5,951 $ 172,840 $ (199,962 ) $ 1,543,928 Capital expenditures $ 1,099 $ — $ 9 $ 91 $ — $ 1,199

Derivative Financial Instrument

Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	DERIVATIVE FINANCIAL INSTRUMENTS We have entered into three forward-starting, pay-fixed/receive LIBOR interest rate swaps. $ 40 million notional with an effective date of July 18, 2016, was designated as a cash flow hedge of $ 40 million of forecasted variable rate Federal Home Loan Bank advances. Under the terms of this swap we will pay a fixed rate of 2.98% for a 3 year period. $ 30 million notional with an effective date of April 18, 2016, was designated as a cash flow hedge of $ 30 million of forecasted variable rate Federal Home Loan Bank advances. Under the terms of this swap we will pay a fixed rate of 2.89% for a 4.5 year period. $ 40 million notional with an effective date of October 18, 2016, was designated as a cash flow hedge of $ 40 million of forecasted variable rate Federal Home Loan Bank advances. Under the terms of the swap we will pay a fixed rate of 2.84% for a 3 year period. We have entered into two pay fixed/receive variable interest rate swaps to hedge fair value variability of two commercial fixed rate loans with the same principal, amortization, and maturity terms of the underlying loans, which are designated as fair value hedges. Under the terms of a $9.95 million original notional swap with an effective date of January 15, 2015, we will pay a fixed rate of 4.33% for a 10 year period. Under the terms of a $11.3 million original notional swap with an effective date of December 18, 2015, we will pay a fixed rate of 4.30% for a 10 year period. A summary of our derivative financial instruments as of September 30, 2017 and December 31, 2016 follows: September 30, 2017 Notional Amount Derivative Fair Value Net Ineffective Dollars in thousands Asset Liability Hedge Gains/(Losses) CASH FLOW HEDGES Pay-fixed/receive-variable interest rate swaps Short term borrowings $ 110,000 $ — $ 3,056 $ — FAIR VALUE HEDGES Pay-fixed/receive-variable interest rate swaps Commercial real estate loans $ 20,103 $ 125 $ — $ — December 31, 2016 Notional Amount Derivative Fair Value Net Ineffective Dollars in thousands Asset Liability Hedge Gains/(Losses) CASH FLOW HEDGES Pay-fixed/receive-variable interest rate swaps Short term borrowings $ 110,000 $ — $ 4,611 $ — FAIR VALUE HEDGES Pay-fixed/receive-variable interest rate swaps Commercial real estate loans $ 20,507 $ 200 $ — $ — Loan commitments: ASC Topic 815, Derivatives and Hedging, requires that commitments to make mortgage loans should be accounted for as derivatives if the loans are to be held for sale, because the commitment represents a written option and accordingly is recorded at the fair value of the option liability.

Acquisitions Acquisitions

Acquisitions Acquisitions	9 Months Ended
	Sep. 30, 2017
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	NOTE 16. ACQUISITIONS FCB Acquisition On April 1, 2017, Summit Community Bank, Inc. ("SCB"), a wholly-owned subsidiary of Summit, acquired 100% of the ownership of First Century Bankshares, Inc. ("FCB") and its subsidiary First Century Bank, headquartered in Bluefield, West Virginia. Partnering with FCB not only expands Summit’s community banking footprint into southwest West Virginia and southwestern Virginia, it also notably will provide us the opportunity to offer trust services throughout our Bank’s market area, a capability which we currently do not possess. Pursuant to the Agreement and Plan of Merger dated June 1, 2016, FCB's shareholders received cash in the amount of $22.50 per share or 1.2433 shares of Summit common stock, or a combination of cash and Summit stock, subject to proration to result in approximately 35% cash and 65% stock consideration in the aggregate. Total stock consideration was $33.1 million or 1,537,912 shares of Summit common stock and cash consideration was $15.0 million . FCB's assets and liabilities approximated $406 million and $361 million , respectively, at March 31, 2017. The assets and liabilities of FCB were recorded at their respective acquisition date fair values. Determining the fair value of assets and liabilities, particularly related to the loan portfolio, is a complicated process involving significant judgment regarding methods and assumptions used to calculate the estimated fair values. The fair values are preliminary and subject to refinement for up to one year after the acquisition date as additional information relative to the acquisition date fair values becomes available. We recognized goodwill of $4.25 million in connection with the acquisition, which is not amortized for financial reporting purposes but is subject to annual impairment testing. The core deposit intangible represents the value of long-term deposit relationships acquired in this transaction and will be amortized over an estimated weighted average life of 15 years using an accelerated method which approximates the estimated run-off of the acquired deposits. The following table details the total consideration paid on April 1, 2017 in connection with the acquisition of FCB, the fair values of the assets acquired and liabilities assumed and the resulting goodwill. Dollars in thousands As Recorded by FCB Estimated Fair Value Adjustments Estimated Fair Values as Recorded by Summit Cash consideration $ 14,989 Stock consideration 33,127 Total consideration 48,116 Identifiable assets acquired: Cash and cash equivalents $ 54,042 $ — $ 54,042 Securities available for sale, at fair value 101,022 295 101,317 Loans Purchased performing 224,809 (2,693 ) 222,116 Purchased credit impaired 4,167 (540 ) 3,627 Allowance for loan losses (2,511 ) 2,511 — Premises and equipment 10,396 (4,222 ) 6,174 Property held for sale 4,596 (2,219 ) 2,377 Goodwill 5,183 (5,183 ) — Core deposit intangibles — 10,916 10,916 Other assets 4,450 652 5,102 Total identifiable assets acquired 406,154 (483 ) 405,671 Identifiable liabilities assumed: Deposits 349,726 807 350,533 Other liabilities 11,216 58 11,274 Total identifiable liabilities assumed 360,942 865 361,807 Net identifiable assets acquired $ 45,212 $ (1,348 ) $ 43,864 Goodwill resulting from acquisition $ 4,252 The following is a description of the methods used to determine the fair values of significant assets and liabilities presented above. Cash and cash equivalents: The carrying amount of these assets approximates their fair value based on the short-term nature of these assets. Securities : Fair values for securities are based on quoted market prices, where available. If quoted market prices are not available, fair value estimates are based on observable inputs including quoted market prices for similar instruments, quoted market prices that are not in an active market or other inputs that are observable in the market. Loans: Fair values for loans are based on a discounted cash flow methodology that considered factors including the type of loan and related collateral, collectibility, fixed or variable interest rate, term of loan, amortization status and current market rates. Loans were grouped together according to similar characteristics and were treated in the aggregate when applying various valuation techniques. The discount rates used for loans are based on current market rates for new originations of comparable loans and include adjustments for liquidity concerns, if any. Premises and equipment: The fair value of FCB's real property was determined based upon appraisals by licensed appraisers. The fair value of tangible personal property, which is not material, was assumed to equal the carrying value by FCB. Property held for sale: The fair value of FCB's property held for sale was determined on a property by property basis based upon the lessor of the properties present asking price or its appraised value by licensed appraisers, less estimated costs to sell. Core deposit intangible: This intangible asset represents the value of the relationships with deposit customers. The fair value was estimated based on a discounted cash flow methodology that gave appropriate consideration to expected customer attrition rates, cost of the deposit base, reserve requirements and the net maintenance cost attributable to customer deposits. Deposits: The fair values of the demand and savings deposits by definition equal the amount payable on demand at the acquisition date. The fair values for time deposits are estimated using a discounted cash flow calculation that applies interest rates currently being offered to the contractual interest rates on such time deposits. Loans acquired in a business combination are recorded at estimated fair value on the date of acquisition without the carryover of the related allowance for loan losses. Purchased credit-impaired (PCI) loans are those for which there is evidence of credit deterioration since origination and for which it is probable at the date of acquisition that we will not collect all contractually required principal and interest payments. When determining fair value, PCI loans are identified as of the date of acquisition based upon evidence of credit quality such as internal risk grades and past due and nonaccrual status. The difference between contractually required payments of principal and interest at acquisition and the cash flows expected to be collected at acquisition is accounted for as a "nonaccretable difference". For purposes of determining the nonaccretable difference, no prepayments are generally assumed in determining contractually required payments of principal and interest or cash flows expected to be collected. Subsequent decreases to the expected cash flows will generally result in a provision for loan losses. Subsequent significant increases in cash flows may result in a reversal of the provision for loan losses to the extent of prior charges, or a transfer from nonaccretable difference to accretable yield. Further, any excess of cash flows expected at acquisition over the estimated fair value is accounted for as accretable yield and is recognized as interest income over the remaining life of the loan when there is a reasonable expectation about the amount and timing of such cash flows. Loans not designated PCI loans as of the acquisition date are designated purchased performing loans. We account for purchased performing loans using the contractual cash flows method of recognizing discount accretion based on the acquired loans’ contractual cash flows. Purchased performing loans are recorded at fair value, including a credit discount. The fair value discount is accreted as an adjustment to yield over the estimated lives of the loans. There is no allowance for loan losses established at the acquisition date for purchased performing loans. A provision for loan losses is recorded for any deterioration in these loans subsequent to the acquisition. The PCI loan portfolio related to the FCB acquisition was recorded at estimated fair value on the date of acquisition, April 1, 2017, as follows: Dollars in thousands Acquired Loans -PCI Contractual principal and interest due $ 4,885 Nonaccretable difference (597 ) Expected cash flows 4,288 Accretable yield (661 ) Purchase credit impaired loans - estimated fair value $ 3,627 HCB Acquisition On October 1, 2016, Summit Community Bank, Inc. ("SCB"), a wholly-owned subsidiary of Summit, acquired 100% of the ownership of Highland County Bankshares, Inc. ("HCB") and its subsidiary First and Citizens Bank, headquartered in Monterey, Virginia for cash consideration of $21.8 million . HCB's assets and liabilities approximated $123 million and $107 million , respectively, at September 30, 2016. Pro Forma The following table estimates the pro forma revenue, net income and diluted earnings per share of the combined entities of Summit, HCB and FCB as if the acquisitions had taken place on January 1, 2016. All acquisition related expenses were excluded from the pro forma information. We expect to achieve operational cost savings and other efficiencies as a result of the acquisitions which are not reflected in the pro forma amounts below. Summit, HCB & FCB Pro Forma For the Nine Months Ended September 30, Dollars in thousands, except per share amounts 2017 2016 Total revenues, net of interest expense $ 64,313 $ 61,457 Net income $ 11,176 $ 15,017 Diluted earnings per share $ 0.95 $ 1.23 The following presents the financial effects of adjustments recognized in the statement of income for the three and nine months ended September 30, 2017 related to business combinations that occurred during 2016 or 2017. Income increase (decrease) Dollars in thousands Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 Interest and fees on loans $ 224 $ 712 Interest expense on deposits 76 167 Amortization of intangibles (399 ) (825 ) Income before income tax expense $ (99 ) $ 54

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss) (Notes)	9 Months Ended
	Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract]
Comprehensive Income (Loss) Note [Text Block]	NOTE 17. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) The following is changes in accumulated other comprehensive income (loss) by component, net of tax, for the three and nine months ending September 30, 2017 and 2016 . For the Three Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ 219 $ (2,238 ) $ 1,712 $ (307 ) Other comprehensive income before reclassification — 313 399 712 Amounts reclassified from accumulated other comprehensive income — — (16 ) (16 ) Net current period other comprehensive income — 313 383 696 Ending balance $ 219 $ (1,925 ) $ 2,095 $ 389 For the Three Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (5,135 ) $ 5,014 $ (121 ) Other comprehensive income before reclassification — 608 (867 ) (259 ) Amounts reclassified from accumulated other comprehensive income — — (38 ) (38 ) Net current period other comprehensive income (loss) — 608 (905 ) (297 ) Ending balance $ — $ (4,527 ) $ 4,109 $ (418 ) For the Nine Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (2,905 ) $ (357 ) $ (3,262 ) Other comprehensive income before reclassification 219 980 2,489 3,688 Amounts reclassified from accumulated other comprehensive income — — (37 ) (37 ) Net current period other comprehensive income 219 980 2,452 3,651 Ending balance $ 219 $ (1,925 ) $ 2,095 $ 389 For the Nine Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (3,195 ) $ 2,739 $ (456 ) Other comprehensive income (loss) before reclassification — (1,332 ) 1,897 565 Amounts reclassified from accumulated other comprehensive income — — (527 ) (527 ) Net current period other comprehensive income — (1,332 ) 1,370 38 Ending balance $ — $ (4,527 ) $ 4,109 $ (418 )

Income Taxes Income Taxes

Income Taxes Income Taxes	9 Months Ended
	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	NOTE 18. INCOME TAXES Our income tax expense for the three months ended September 30, 2017 and September 30, 2016 totaled $2.5 million and $2.1 million , respectively. For the nine months ended September 30, 2017 and September 30, 2016 our income tax expense totaled $3.3 million and $5.7 million , respectively. Our effective tax rate (income tax expense as a percentage of income before taxes) for the quarters ended September 30, 2017 and 2016 was 29.5% and 32.8% , respectively, and for the nine months ended September 30, 2017 and 2016 were 25.8% and 31.0% , respectively. A reconciliation between the statutory income tax rate and our effective income tax rate for the three and nine months ended September 30, 2017 and 2016 is as follows: For the Three Months Ended September 30, For the Nine Months Ended September 30, 2017 2016 2017 2016 Dollars in thousands Percent Percent Percent Percent Applicable statutory rate 35.0 % 35.0 % 35.0 % 35.0 % Increase (decrease) in rate resulting from: Tax-exempt interest and dividends, net (5.1 )% (4.2 )% (8.8 )% (4.4 )% State income taxes (benefit), net of Federal income tax benefit 1.8 % 1.7 % 1.8 % 1.6 % Other, net (2.2 )% 0.3 % (2.2 )% (1.2 )% Effective income tax rate 29.5 % 32.8 % 25.8 % 31.0 % The components of applicable income tax expense for the three and nine months ended September 30, 2017 and 2016 are as follows: For the Three Months Ended September 30, For the Nine Months Ended September 30, Dollars in thousands 2017 2016 2017 2016 Current Federal $ 2,436 $ 1,992 $ 3,315 $ 5,439 State 251 171 388 451 2,687 2,163 3,703 5,890 Deferred Federal (190 ) (76 ) (333 ) (234 ) State (17 ) (1 ) (31 ) (1 ) (207 ) (77 ) (364 ) (235 ) Total $ 2,480 $ 2,086 $ 3,339 $ 5,655

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis	The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis. Balance at Fair Value Measurements Using: Dollars in thousands September 30, 2017 Level 1 Level 2 Level 3 Available for sale securities U.S. Government sponsored agencies $ 24,135 $ — $ 24,135 $ — Mortgage backed securities: Government sponsored agencies 121,759 — 121,759 — Nongovernment sponsored entities 2,755 — 2,755 — State and political subdivisions 13,435 — 13,435 — Corporate debt securities 16,190 — 16,190 — Other equity securities 137 — 137 — Tax-exempt state and political subdivisions 150,315 — 150,315 — Total available for sale securities $ 328,726 $ — $ 328,726 $ — Derivative financial assets Interest rate swaps $ 125 $ — $ 125 $ — Derivative financial liabilities Interest rate swaps $ 3,056 $ — $ 3,056 $ — Balance at Fair Value Measurements Using: Dollars in thousands December 31, 2016 Level 1 Level 2 Level 3 Available for sale securities U.S. Government sponsored agencies $ 15,174 $ — $ 15,174 $ — Mortgage backed securities: Government sponsored agencies 138,846 — 138,846 — Nongovernment sponsored entities 4,653 — 4,653 — Corporate debt securities 18,170 — 18,170 — Other equity securities 137 — 137 — Tax-exempt state and political subdivisions 89,562 — 89,562 — Total available for sale securities $ 266,542 $ — $ 266,542 $ — Derivative financial assets Interest rate swaps $ 200 $ — $ 200 $ — Derivative financial liabilities Interest rate swaps $ 4,611 $ — $ 4,611 $ —
Fair Value Measurements, Nonrecurring	Assets measured at fair value on a nonrecurring basis are included in the table below. Balance at Fair Value Measurements Using: Dollars in thousands September 30, 2017 Level 1 Level 2 Level 3 Residential mortgage loans held for sale $ 220 $ — $ 220 $ — Collateral-dependent impaired loans Commercial real estate $ 518 $ — $ 518 $ — Construction and development 945 — 945 — Residential real estate 203 — 203 — Total collateral-dependent impaired loans $ 1,666 $ — $ 1,666 $ — Property held for sale Commercial real estate $ 1,476 $ — $ 1,292 $ 184 Construction and development 16,627 — 16,627 — Residential real estate 352 — 352 — Total property held for sale $ 18,455 $ — $ 18,271 $ 184 Balance at Fair Value Measurements Using: Dollars in thousands December 31, 2016 Level 1 Level 2 Level 3 Residential mortgage loans held for sale $ 176 $ — $ 176 $ — Collateral-dependent impaired loans Construction and development $ 945 $ — $ 945 $ — Residential real estate 130 — 130 — Total collateral-dependent impaired loans $ 1,075 $ — $ 1,075 $ — Property held for sale Commercial real estate $ 976 $ — $ 976 $ — Construction and development 19,327 — 19,327 — Residential real estate 279 — 279 — Total property held for sale $ 20,582 $ — $ 20,582 $ —
Fair Value, by Balance Sheet Grouping	The carrying values and estimated fair values of our financial instruments are summarized below: September 30, 2017 Fair Value Measurements Using: Dollars in thousands Carrying Value Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 51,214 $ 51,214 $ — $ 51,214 $ — Securities available for sale 328,726 328,726 — 328,726 — Other investments 12,170 12,170 — 12,170 — Loans held for sale, net 220 220 — 220 — Loans, net 1,559,328 1,557,227 — 1,666 1,555,561 Accrued interest receivable 7,979 7,979 — 7,979 — Derivative financial assets 125 125 — 125 — $ 1,959,762 $ 1,957,661 $ — $ 402,100 $ 1,555,561 Financial liabilities Deposits $ 1,616,768 $ 1,637,258 $ — $ 1,637,258 $ — Short-term borrowings 202,988 202,988 — 202,988 — Long-term borrowings 45,755 46,962 — 46,962 — Subordinated debentures owed to unconsolidated subsidiary trusts 19,589 19,589 — 19,589 — Accrued interest payable 912 912 — 912 — Derivative financial liabilities 3,056 3,056 — 3,056 — $ 1,889,068 $ 1,910,765 $ — $ 1,910,765 $ — December 31, 2016 Fair Value Measurements Using: Dollars in thousands Carrying Value Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 46,616 $ 46,616 $ — $ 46,616 $ — Securities available for sale 266,542 266,542 — 266,542 — Other investments 12,942 12,942 — 12,942 — Loans held for sale, net 176 176 — 176 — Loans, net 1,307,862 1,321,235 — 1,075 1,320,160 Accrued interest receivable 6,167 6,167 — 6,167 — Derivative financial assets 200 200 — 200 — $ 1,640,505 $ 1,653,878 $ — $ 333,718 $ 1,320,160 Financial liabilities Deposits $ 1,295,519 $ 1,309,820 $ — $ 1,309,820 $ — Short-term borrowings 224,461 224,461 — 224,461 — Long-term borrowings 46,670 49,013 — 49,013 — Subordinated debentures owed to unconsolidated subsidiary trusts 19,589 19,589 — 19,589 — Accrued interest payable 736 736 — 736 — Derivative financial liabilities 4,611 4,611 — 4,611 — $ 1,591,586 $ 1,608,230 $ — $ 1,608,230 $ —

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The computations of basic and diluted earnings per share follow: For the Three Months Ended September 30, 2017 2016 Dollars in thousands, except per share amounts Income (Numerator) Common Shares (Denominator) Per Share Income (Numerator) Common Shares (Denominator) Per Share Net income $ 5,930 $ 4,281 Basic earnings per share $ 5,930 12,299,987 $ 0.48 $ 4,281 10,692,423 $ 0.40 Effect of dilutive securities: Stock options 10,911 12,865 Stock appreciation rights (SARs) 8,061 21,851 Diluted earnings per share $ 5,930 12,318,959 $ 0.48 $ 4,281 10,727,139 $ 0.40 For the Nine Months Ended September 30, 2017 2016 Dollars in thousands, except per share amounts Income (Numerator) Common Shares (Denominator) Per Share Income (Numerator) Common Shares (Denominator) Per Share Net income $ 9,592 $ 12,586 Basic earnings per share $ 9,592 11,781,342 $ 0.81 $ 12,586 10,682,129 $ 1.18 Effect of dilutive securities: Stock options 11,336 8,774 Stock appreciation rights (SARs) 14,324 1,443 Diluted earnings per share $ 9,592 11,807,002 $ 0.81 $ 12,586 10,692,346 $ 1.18

Securities (Tables)

Securities (Tables)	9 Months Ended
	Sep. 30, 2017
Available-for-sale Securities [Abstract]
Available-for-sale Securities	The amortized cost, unrealized gains, unrealized losses and estimated fair values of securities at September 30, 2017 , December 31, 2016 , and September 30, 2016 are summarized as follows: September 30, 2017 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities U.S. Government and agencies and corporations $ 23,591 $ 608 $ 64 $ 24,135 Residential mortgage-backed securities: Government-sponsored agencies 120,898 1,580 719 121,759 Nongovernment-sponsored entities 2,714 49 8 2,755 State and political subdivisions General obligations 2,803 11 1 2,813 Other revenues 10,568 83 29 10,622 Corporate debt securities 16,326 — 136 16,190 Total taxable debt securities 176,900 2,331 957 178,274 Tax-exempt debt securities State and political subdivisions General obligations 70,714 1,382 510 71,586 Water and sewer revenues 25,049 433 74 25,408 Lease revenues 14,250 283 71 14,462 Electric revenues 6,226 76 23 6,279 University revenues 5,290 3 22 5,271 Other revenues 26,831 593 115 27,309 Total tax-exempt debt securities 148,360 2,770 815 150,315 Equity securities 137 — — 137 Total available for sale securities $ 325,397 $ 5,101 $ 1,772 $ 328,726 December 31, 2016 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities U.S. Government and agencies and corporations $ 14,580 $ 642 $ 48 $ 15,174 Residential mortgage-backed securities: Government-sponsored agencies 138,451 1,554 1,159 138,846 Nongovernment-sponsored entities 4,631 44 22 4,653 Corporate debt securities 18,295 23 148 18,170 Total taxable debt securities 175,957 2,263 1,377 176,843 Tax-exempt debt securities State and political subdivisions General obligations 49,449 569 1,388 48,630 Water and sewer revenues 9,087 63 149 9,001 Lease revenues 9,037 7 201 8,843 Electric revenues 3,247 10 48 3,209 Sales tax revenues 2,870 — 34 2,836 Other revenues 17,321 93 371 17,043 Total tax-exempt debt securities 91,011 742 2,191 89,562 Equity securities 137 — — 137 Total available for sale securities $ 267,105 $ 3,005 $ 3,568 $ 266,542 September 30, 2016 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Available for Sale Taxable debt securities: U.S. Government and agencies and corporations $ 14,818 $ 921 $ 47 $ 15,692 Residential mortgage-backed securities: Government-sponsored agencies 132,913 2,556 264 135,205 Nongovernment-sponsored agencies 5,382 48 29 5,401 State and political subdivisions: Water and sewer revenues 250 — — 250 Corporate debt securities 20,003 49 149 19,903 Total taxable debt securities 173,366 3,574 489 176,451 Tax-exempt debt securities: State and political subdivisions: General obligations 47,014 2,221 115 49,120 Water and sewer revenues 7,980 265 11 8,234 Lease revenues 7,392 321 38 7,675 Sales tax revenues 2,880 124 — 3,004 Other revenues 16,869 701 29 17,541 Total tax-exempt debt securities 82,135 3,632 193 85,574 Equity securities 77 — — 77 Total available for sale securities $ 255,578 $ 7,206 $ 682 $ 262,102
Summary of Volume of State and Political Subdivision Securities Held in Portfolio	We own no such securities of any single issuer which we deem to be a concentration. September 30, 2017 Amortized Unrealized Estimated Dollars in thousands Cost Gains Losses Fair Value Texas $ 20,215 $ 440 $ 71 $ 20,584 Michigan 18,823 235 212 18,846 California 15,314 260 64 15,510 Illinois 12,463 244 38 12,669 Pennsylvania 10,603 91 79 10,615
Investments Classified by Contractual Maturity Date	The maturities, amortized cost and estimated fair values of securities at September 30, 2017 , are summarized as follows: Dollars in thousands Amortized Cost Estimated Fair Value Due in one year or less $ 46,461 $ 46,984 Due from one to five years 82,524 83,284 Due from five to ten years 33,110 33,119 Due after ten years 163,165 165,202 Equity securities 137 137 $ 325,397 $ 328,726
Schedule of Realized Gain (Loss)	The proceeds from sales, calls and maturities of available for sale securities, including principal payments received on mortgage-backed obligations, and the related gross gains and losses realized, for the nine months ended September 30, 2017 and 2016 are as follows: Proceeds from Gross realized Dollars in thousands Sales Calls and Maturities Principal Payments Gains Losses For the Nine Months Ended 2017 Securities available for sale $ 131,345 $ 2,610 $ 24,349 $ 416 $ 358 2016 Securities available for sale $ 63,641 $ 630 $ 27,696 $ 1,117 $ 281
Schedule of Unrealized Loss on Investments	Provided below is a summary of securities available for sale which were in an unrealized loss position at September 30, 2017 and December 31, 2016 . September 30, 2017 Less than 12 months 12 months or more Total Dollars in thousands Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Temporarily impaired securities Taxable debt securities U.S. Government agencies and corporations $ 5,374 $ (25 ) $ 2,712 $ (39 ) $ 8,086 $ (64 ) Residential mortgage-backed securities: Government-sponsored agencies 29,222 (316 ) 13,476 (403 ) 42,698 (719 ) Nongovernment-sponsored entities — — 949 (8 ) 949 (8 ) State and political subdivisions: General obligations 734 (1 ) — — 734 (1 ) Other revenues 4,816 (29 ) — — 4,816 (29 ) Corporate debt securities 3,014 (39 ) 1,653 (97 ) 4,667 (136 ) Tax-exempt debt securities State and political subdivisions: General obligations 14,204 (164 ) 10,236 (346 ) 24,440 (510 ) Water and sewer revenues 6,702 (74 ) — — 6,702 (74 ) Lease revenues 571 (2 ) 1,061 (69 ) 1,632 (71 ) Electric revenues 2,146 (23 ) — — 2,146 (23 ) University revenues 3,508 (22 ) — — 3,508 (22 ) Other revenues 4,279 (42 ) 1,278 (73 ) 5,557 (115 ) Total temporarily impaired securities 74,570 (737 ) 31,365 (1,035 ) 105,935 (1,772 ) Total $ 74,570 $ (737 ) $ 31,365 $ (1,035 ) $ 105,935 $ (1,772 ) December 31, 2016 Less than 12 months 12 months or more Total Dollars in thousands Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Estimated Fair Value Unrealized Loss Temporarily impaired securities Taxable debt securities U.S. Government agencies and corporations $ 763 $ (5 ) $ 2,575 $ (43 ) $ 3,338 $ (48 ) Residential mortgage-backed securities: Government-sponsored agencies 55,388 (985 ) 8,389 (174 ) 63,777 (1,159 ) Nongovernment-sponsored entities 97 — 3,013 (22 ) 3,110 (22 ) Corporate debt securities 968 (31 ) 3,136 (117 ) 4,104 (148 ) Tax-exempt debt securities State and political subdivisions: General obligations 33,115 (1,388 ) — — 33,115 (1,388 ) Water and sewer revenues 4,761 (149 ) — — 4,761 (149 ) Lease revenues 7,011 (201 ) — — 7,011 (201 ) Electric revenues 1,973 (48 ) — — 1,973 (48 ) Sales tax revenues 2,836 (34 ) — — 2,836 (34 ) Other revenues 8,445 (371 ) — — 8,445 (371 ) Total temporarily impaired securities 115,357 (3,212 ) 17,113 (356 ) 132,470 (3,568 ) Total $ 115,357 $ (3,212 ) $ 17,113 $ (356 ) $ 132,470 $ (3,568 )

Loans (Tables)

Loans (Tables)	9 Months Ended
	Sep. 30, 2017
Loans and Leases Receivable Disclosure [Abstract]
Summary of Loans, Net of Unearned Fees	Loans are summarized as follows: Dollars in thousands September 30, December 31, September 30, Commercial $ 187,193 $ 119,088 $ 110,466 Commercial real estate Owner-occupied 239,840 203,047 192,254 Non-owner occupied 464,543 381,921 367,196 Construction and development Land and land development 71,412 72,042 65,430 Construction 28,756 16,584 11,276 Residential real estate Non-jumbo 355,642 265,641 228,777 Jumbo 61,253 65,628 57,276 Home equity 82,720 74,596 75,161 Mortgage warehouse lines 33,525 85,966 108,983 Consumer 36,915 25,534 19,756 Other 9,994 9,489 9,649 Total loans, net of unearned fees 1,571,793 1,319,536 1,246,224 Less allowance for loan losses 12,465 11,674 11,619 Loans, net $ 1,559,328 $ 1,307,862 $ 1,234,605
Schedule of Acquired Loans	The outstanding balance and the recorded investment of acquired loans included in the consolidated balance sheet at September 30, 2017 are as follows: Acquired Loans Dollars in thousands Purchased Credit Impaired Purchased Performing Total Outstanding balance $ 6,393 $ 238,314 $ 244,707 Recorded investment Commercial $ 11 $ 31,430 $ 31,441 Commercial real estate Owner-occupied 695 23,084 23,779 Non-owner occupied 1,846 35,704 37,550 Construction and development Land and land development — 9,080 9,080 Construction — 2,226 2,226 Residential real estate Non-jumbo 1,861 114,756 116,617 Jumbo 1,005 3,443 4,448 Home equity — 3,431 3,431 Consumer — 13,050 13,050 Other — 236 236 Total recorded investment $ 5,418 $ 236,440 $ 241,858
Summary of Change in Accretable Yield PCI Loans	The following table presents a summary of the change in the accretable yield of the PCI loan portfolio for the period from January 1, 2017 to September 30, 2017: Dollars in thousands Accretable yield, January 1, 2017 $ 290 Accretion (135 ) Additions for First Century Bankshares, Inc. acquisition 661 Reclassification of nonaccretable difference due to improvement in expected cash flows — Other changes, net (13 ) Accretable yield, September 30, 2017 $ 803
Schedule of Contractual Aging of Recorded Investment In Past Due Loans By Class	The following table presents the contractual aging of the recorded investment in past due loans by class as of September 30, 2017 and 2016 and December 31, 2016 . At September 30, 2017 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 204 $ 175 $ 65 $ 444 $ 186,749 $ — Commercial real estate Owner-occupied 469 45 740 1,254 238,586 — Non-owner occupied 177 252 1,969 2,398 462,145 — Construction and development Land and land development 268 21 3,880 4,169 67,243 — Construction — — — — 28,756 — Residential mortgage Non-jumbo 4,860 2,062 4,837 11,759 343,883 — Jumbo — — — — 61,253 — Home equity 50 290 657 997 81,723 — Mortgage warehouse lines — — — — 33,525 — Consumer 387 173 405 965 35,950 35 Other 56 — — 56 9,938 — Total $ 6,471 $ 3,018 $ 12,553 $ 22,042 $ 1,549,751 $ 35 At December 31, 2016 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 90 $ 86 $ 165 $ 341 $ 118,747 $ — Commercial real estate Owner-occupied 93 — 509 602 202,445 — Non-owner occupied 340 — 65 405 381,516 — Construction and development Land and land development 423 129 3,852 4,404 67,638 — Construction — — — — 16,584 — Residential mortgage Non-jumbo 4,297 1,889 3,287 9,473 256,168 — Jumbo — — — — 65,628 — Home equity — 302 57 359 74,237 — Mortgage warehouse lines — — — — 85,966 — Consumer 308 84 150 542 24,992 — Other — — — — 9,489 — Total $ 5,551 $ 2,490 $ 8,085 $ 16,126 $ 1,303,410 $ — At September 30, 2016 Past Due > 90 days and Accruing Dollars in thousands 30-59 days 60-89 days > 90 days Total Current Commercial $ 301 $ 138 $ 602 $ 1,041 $ 109,425 $ — Commercial real estate Owner-occupied 251 — 505 756 191,498 — Non-owner occupied 311 78 — 389 366,807 — Construction and development Land and land development 238 — 3,731 3,969 61,461 — Construction — — — — 11,276 — Residential mortgage Non-jumbo 1,932 1,488 2,762 6,182 222,595 — Jumbo — — — — 57,276 — Home equity — 136 318 454 74,707 — Mortgage warehouse lines — — — — 108,983 — Consumer 135 44 148 327 19,429 21 Other — — — — 9,649 — Total $ 3,168 $ 1,884 $ 8,066 $ 13,118 $ 1,233,106 $ 21
Schedule of Financing Receivables, Non Accrual Status	The following table presents the nonaccrual loans included in the net balance of loans at September 30, 2017 , December 31, 2016 and September 30, 2016 . September 30, December 31, Dollars in thousands 2017 2016 2016 Commercial $ 757 $ 846 $ 298 Commercial real estate Owner-occupied 740 505 509 Non-owner occupied 2,033 4,362 4,336 Construction and development Land & land development 3,931 4,360 4,465 Construction — — — Residential mortgage Non-jumbo 7,309 3,680 4,621 Jumbo — — — Home equity 773 494 194 Mortgage warehouse lines — — — Consumer 494 148 151 Total $ 16,037 $ 14,395 $ 14,574
Impaired Financing Receivables	The following tables present loans individually evaluated for impairment at September 30, 2017 , December 31, 2016 and September 30, 2016 . September 30, 2017 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 254 $ 254 $ — $ 264 $ 10 Commercial real estate Owner-occupied 7,138 7,141 — 4,869 185 Non-owner occupied 9,884 9,886 — 10,142 511 Construction and development Land & land development 5,029 5,029 — 4,729 87 Construction — — — — — Residential real estate Non-jumbo 4,200 4,210 — 4,294 209 Jumbo 3,581 3,580 — 3,605 171 Home equity 524 523 — 523 25 Mortgage warehouse lines — — — — — Consumer 29 29 — 34 3 Total without a related allowance $ 30,639 $ 30,652 $ — $ 28,460 $ 1,201 With a related allowance Commercial $ 259 $ 259 $ 259 $ 266 $ — Commercial real estate Owner-occupied 2,448 2,448 127 2,456 121 Non-owner occupied 1,014 1,018 501 2 — Construction and development Land & land development 1,470 1,470 525 1,482 56 Construction — — — — — Residential real estate Non-jumbo 1,728 1,729 217 1,681 82 Jumbo 841 842 15 847 42 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 7,760 $ 7,766 $ 1,644 $ 6,734 $ 301 Total Commercial $ 27,496 $ 27,505 $ 1,412 $ 24,210 $ 970 Residential real estate 10,874 10,884 232 10,950 529 Consumer 29 29 — 34 3 Total $ 38,399 $ 38,418 $ 1,644 $ 35,194 $ 1,502 December 31, 2016 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 285 $ 285 $ — $ 247 $ 10 Commercial real estate Owner-occupied 520 520 — 534 31 Non-owner occupied 10,203 10,205 — 10,675 294 Construction and development Land & land development 5,227 5,227 — 5,270 80 Construction — — — — — Residential real estate Non-jumbo 4,055 4,065 — 3,910 193 Jumbo 3,640 3,639 — 3,693 175 Home equity 524 523 — 523 22 Mortgage warehouse lines — — — — — Consumer 44 44 — 50 5 Total without a related allowance $ 24,498 $ 24,508 $ — $ 24,902 $ 810 With a related allowance Commercial $ — $ — $ — $ — $ — Commercial real estate Owner-occupied 6,864 6,864 347 6,879 269 Non-owner occupied 1,311 1,311 197 1,327 43 Construction and development Land & land development 2,066 2,066 585 2,074 80 Construction — — — — — Residential real estate Non-jumbo 2,055 2,057 251 1,851 78 Jumbo 853 853 24 862 44 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 13,149 $ 13,151 $ 1,404 $ 12,993 $ 514 Total Commercial $ 26,476 $ 26,478 $ 1,129 $ 27,006 $ 807 Residential real estate 11,127 11,137 275 10,839 512 Consumer 44 44 — 50 5 Total $ 37,647 $ 37,659 $ 1,404 $ 37,895 $ 1,324 September 30, 2016 Dollars in thousands Recorded Investment Unpaid Principal Balance Related Allowance Average Impaired Balance Interest Income Recognized while impaired Without a related allowance Commercial $ 791 $ 790 $ — $ 400 $ 9 Commercial real estate Owner-occupied 4,914 4,914 — 4,932 188 Non-owner occupied 10,394 10,396 — 10,831 456 Construction and development Land & land development 6,181 6,181 — 6,207 104 Construction — — — — — Residential real estate Non-jumbo 3,852 3,861 — 3,732 170 Jumbo 3,683 3,682 — 3,711 176 Home equity 713 713 — 710 21 Mortgage warehouse lines — — — — — Consumer 48 48 — 52 5 Total without a related allowance $ 30,576 $ 30,585 $ — $ 30,575 $ 1,129 With a related allowance Commercial $ 19 $ 19 $ 19 $ 6 $ — Commercial real estate Owner-occupied 2,499 2,499 12 2,491 112 Non-owner occupied 1,321 1,321 132 1,332 43 Construction and development Land & land development 1,140 1,141 492 1,155 58 Construction — — — — — Residential real estate Non-jumbo 2,617 2,619 216 2,329 103 Jumbo 859 859 25 864 43 Home equity — — — — — Mortgage warehouse lines — — — — — Consumer — — — — — Total with a related allowance $ 8,455 $ 8,458 $ 896 $ 8,177 $ 359 Total Commercial $ 27,259 $ 27,261 $ 655 $ 27,354 $ 970 Residential real estate 11,724 11,734 241 11,346 513 Consumer 48 48 — 52 5 Total $ 39,031 $ 39,043 $ 896 $ 38,752 $ 1,488
Troubled Debt Restructurings on Financing Receivables [Table Text Block]	The following table presents by class the TDRs that were restructured during the three and nine months ended September 30, 2017 and September 30, 2016 . Generally, the modifications were extensions of term, modifying the payment terms from principal and interest to interest only for an extended period, or reduction in interest rate. All TDRs are evaluated individually for allowance for loan loss purposes. For the Three Months Ended For the Three Months Ended Dollars in thousands Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Commercial real estate Owner-occupied 1 $ 2,302 $ 2,302 — $ — $ — Non-owner occupied 1 148 148 — — — Construction and development Land & land development 1 438 438 — — — Residential real estate Non-jumbo — — — 1 307 307 Total 3 $ 2,888 $ 2,888 1 $ 307 $ 307 For the Nine Months Ended For the Nine Months Ended Dollars in thousands Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Number of Modifications Pre-modification Recorded Investment Post-modification Recorded Investment Commercial real estate Owner-occupied 1 $ 2,302 $ 2,302 — $ — $ — Non-owner occupied 1 148 148 — — — Construction and development Land & land development 1 438 438 — — — Residential real estate Non-jumbo 5 1,086 1,086 4 702 702 Consumer — — — 1 2 2 Total 8 $ 3,974 $ 3,974 5 $ 704 $ 704
Schedule of the Activity Regarding TDRs by Loan Type	The following tables detail the activity regarding TDRs by loan type, net of fees, for the three months and nine months ended September 30, 2017 , and the related allowance on TDRs. For the Three Months Ended September 30, 2017 Construction & Land Development Commercial Real Estate Residential Real Estate Dollars in thousands Land & Land Develop- ment Construc- tion Commer- cial Owner Occupied Non- Owner Occupied Non- jumbo Jumbo Home Equity Mortgage Warehouse Lines Con- sumer Other Total Troubled debt restructurings Balance July 1, 2017 $ 2,639 $ — $ 438 $ 7,315 $ 5,245 $ 6,200 $ 4,456 $ 523 $ — $ 34 $ — $ 26,850 Additions 438 — — 2,302 148 — — — — — — 2,888 Charge-offs — — — — — — — — — — — — Net (paydowns) advances (15 ) — (12 ) (31 ) (45 ) (621 ) (33 ) — — (5 ) — (762 ) Transfer into foreclosed properties — — — — — — — — — — — — Refinance out of TDR status — — — — — — — — — — — — Balance, September 30, 2017 $ 3,062 $ — $ 426 $ 9,586 $ 5,348 $ 5,579 $ 4,423 $ 523 $ — $ 29 $ — $ 28,976 Allowance related to troubled debt restructurings $ 461 $ — $ 259 $ 127 $ — $ 217 $ 15 $ — $ — $ — $ — $ 1,079 For the Nine Months Ended September 30, 2017 Construction & Land Development Commercial Real Estate Residential Real Estate Dollars in thousands Land & Land Develop- ment Construc- tion Commer- cial Owner Occupied Non- Owner Occupied Non- jumbo Jumbo Home Equity Mortgage Warehouse Lines Con- sumer Other Total Troubled debt restructurings Balance January 1, 2017 $ 3,337 $ — $ 711 $ 7,383 $ 6,714 $ 5,417 $ 4,493 $ 523 $ — $ 44 $ — $ 28,622 Additions 438 — — 2,302 148 1,086 — — — — — 3,974 Charge-offs — — — — (65 ) — — — — — — (65 ) Net (paydowns) advances (713 ) — (285 ) (99 ) (1,449 ) (924 ) (70 ) — — (15 ) — (3,555 ) Transfer into foreclosed properties — — — — — — — — — — — — Refinance out of TDR status — — — — — — — — — — — — Balance, September 30, 2017 $ 3,062 $ — $ 426 $ 9,586 $ 5,348 $ 5,579 $ 4,423 $ 523 $ — $ 29 $ — $ 28,976 Allowance related to troubled debt restructurings $ 461 $ — $ 259 $ 127 $ — $ 217 $ 15 $ — $ — $ — $ — $ 1,079
Financing Receivable Credit Quality Indicators	The following table presents the recorded investment in construction and development, commercial, and commercial real estate loans which are generally evaluated based upon our internal risk ratings. Loan Risk Profile by Internal Risk Rating Construction and Development Commercial Real Estate Land and Land Development Construction Commercial Owner Occupied Non-Owner Occupied Mortgage Warehouse Lines Dollars in thousands 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 9/30/2017 12/31/2016 Pass $ 64,744 $ 64,144 $ 28,756 $ 16,584 $ 183,966 $ 117,214 $ 232,329 $ 201,113 $ 454,433 $ 375,181 $ 33,525 $ 85,966 OLEM (Special Mention) 1,593 2,097 — — 2,468 1,471 3,578 567 1,722 1,381 — — Substandard 5,075 5,801 — — 759 403 3,933 1,367 8,388 5,359 — — Doubtful — — — — — — — — — — — — Loss — — — — — — — — — — — — Total $ 71,412 $ 72,042 $ 28,756 $ 16,584 $ 187,193 $ 119,088 $ 239,840 $ 203,047 $ 464,543 $ 381,921 $ 33,525 $ 85,966
Schedule of Recorded Investment Evaluated Based on Aging Status of Loans and Payment Activity	The following table presents the recorded investment and payment activity in consumer, residential real estate, and home equity loans, which are generally evaluated based on the aging status of the loans. Performing Nonperforming Dollars in thousands 9/30/2017 12/31/2016 9/30/2016 9/30/2017 12/31/2016 9/30/2016 Residential real estate Non-jumbo $ 348,333 $ 261,020 $ 225,097 $ 7,309 $ 4,621 $ 3,680 Jumbo 61,253 65,628 57,276 — — — Home Equity 81,947 74,402 74,667 773 194 494 Consumer 36,349 25,368 19,574 566 166 182 Other 9,994 9,489 9,649 — — — Total $ 537,876 $ 435,907 $ 386,263 $ 8,648 $ 4,981 $ 4,356

Allowance For Loan Losses (Tabl

Allowance For Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2017
Allowance for Loan and Lease Losses Write-offs, Net [Abstract]
Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent	An analysis of the allowance for loan losses for the nine month periods ended September 30, 2017 and 2016 , and for the year ended December 31, 2016 is as follows: Nine Months Ended Year Ended Dollars in thousands 2017 2016 2016 Balance, beginning of year $ 11,674 $ 11,472 $ 11,472 Charge-offs: Commercial 23 379 489 Commercial real estate Owner occupied 3 179 179 Non-owner occupied 65 122 124 Construction and development Land and land development 3 50 127 Construction 21 — 9 Residential real estate Non-jumbo 200 119 169 Jumbo 2 — — Home equity 95 117 175 Mortgage warehouse lines — — — Consumer 147 61 98 Other 179 128 185 Total 738 1,155 1,555 Recoveries: Commercial 13 69 73 Commercial real estate Owner occupied 82 25 31 Non-owner occupied 92 13 17 Construction and development Land and land development 246 514 840 Construction — — — Real estate - mortgage Non-jumbo 50 58 136 Jumbo — 6 6 Home equity 29 3 3 Mortgage warehouse lines — — — Consumer 64 55 76 Other 78 59 75 Total 654 802 1,257 Net charge-offs 84 353 298 Provision for loan losses 875 500 500 Balance, end of period $ 12,465 $ 11,619 $ 11,674
Allowance for Credit Losses on Financing Receivables	Activity in the allowance for loan losses by loan class during the first nine months of 2017 is as follows: Allowance for loan losses Allowance related to: Loans Beginning Balance Charge- offs Recoveries Provision Ending Balance Loans individua- lly evaluated for impairm- ent Loans collective- ly evaluated for impairm- ent Loans acquired with deteriora- ted credit quality (PCI) Total Loans individua- lly evaluated for impairm- ent Loans collective- ly evaluated for impairm- ent Loans Total Commercial $ 934 $ (23 ) $ 13 $ 293 $ 1,217 $ 259 $ 958 $ — $ 1,217 $ 513 $ 186,669 $ 11 $ 187,193 Commercial real estate Owner occupied 2,109 (3 ) 82 121 2,309 127 2,178 4 2,309 9,586 229,559 695 239,840 Non-owner occupied 3,438 (65 ) 92 1,709 5,174 501 4,670 3 5,174 10,898 451,799 1,846 464,543 Construction and development Land and land development 2,263 (3 ) 246 (1,858 ) 648 525 123 — 648 6,499 64,913 — 71,412 Construction 24 (21 ) — 13 16 — 16 — 16 — 28,756 — 28,756 Residential real estate Non-jumbo 2,174 (200 ) 50 24 2,048 217 1,829 2 2,048 5,928 347,853 1,861 355,642 Jumbo 95 (2 ) — (15 ) 78 15 63 — 78 4,422 55,826 1,005 61,253 Home equity 413 (95 ) 29 261 608 — 608 — 608 524 82,196 — 82,720 Mortgage warehouse lines — — — — — — — — — — 33,525 — 33,525 Consumer 121 (147 ) 64 177 215 — 215 — 215 29 36,886 — 36,915 Other 103 (179 ) 78 150 152 — 152 — 152 — 9,994 — 9,994 Total $ 11,674 $ (738 ) $ 654 $ 875 $ 12,465 $ 1,644 $ 10,812 $ 9 $ 12,465 $ 38,399 $ 1,527,976 $ 5,418 $ 1,571,793

Goodwill And Other Intangible34

Goodwill And Other Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Goodwill	The following tables present our goodwill by reporting unit at September 30, 2017 and other intangible assets by reporting unit at September 30, 2017 and December 31, 2016 . Goodwill Activity Dollars in thousands Community Banking Insurance Services Total Balance, January 1, 2017 $ 6,280 $ 4,710 $ 10,990 Reclassifications to goodwill 31 — 31 Acquired goodwill, net 4,252 — 4,252 Balance, September 30, 2017 $ 10,563 $ 4,710 $ 15,273
Summary of Other Intangible Assets	Other Intangible Assets September 30, 2017 December 31, 2016 Dollars in thousands Community Banking Insurance Services Total Community Banking Insurances Services Total Identifiable intangible assets Gross carrying amount $ 12,528 $ 3,000 $ 15,528 $ 1,610 $ 3,000 $ 4,610 Less: accumulated amortization 872 2,050 2,922 47 1,900 1,947 Net carrying amount $ 11,656 $ 950 $ 12,606 $ 1,563 $ 1,100 $ 2,663
Finite-lived Intangible Assets Amortization Expense	Amortization relative to our identifiable intangible assets is expected to approximate the following during the next five years: Core Deposit Customer Dollars in thousands Intangible Intangible 2017 $ 1,210 $ 200 2018 1,471 200 2019 1,368 200 2020 1,265 200 2021 1,162 200

Deposits (Tables)

Deposits (Tables)	9 Months Ended
	Sep. 30, 2017
Deposits [Abstract]
Summary of Interest Bearing Deposits By Type	The following is a summary of interest bearing deposits by type as of September 30, 2017 and 2016 and December 31, 2016 : Dollars in thousands September 30, December 31, September 30, Demand deposits, interest bearing $ 397,843 $ 262,591 $ 212,172 Savings deposits 362,653 337,348 321,563 Time deposits 640,362 545,843 500,397 Total $ 1,400,858 $ 1,145,782 $ 1,034,132
Summary of Scheduled Maturities For All Time Deposits	A summary of the scheduled maturities for all time deposits as of September 30, 2017 is as follows: Dollars in thousands Three month period ending December 31, 2017 $ 81,870 Year ending December 31, 2018 232,020 Year ending December 31, 2019 140,028 Year ending December 31, 2020 88,444 Year ending December 31, 2021 54,858 Thereafter 43,142 Total $ 640,362
Summary of Maturity Distribution of All Certificates of Deposit	The following is a summary of the maturity distribution of all certificates of deposit in denominations of $100,000 or more as of September 30, 2017 : Dollars in thousands Amount Percent Three months or less $ 52,185 11.9 % Three through six months 54,568 12.4 % Six through twelve months 66,426 15.1 % Over twelve months 265,855 60.6 % Total $ 439,034 100.00 %

Borrowed Funds (Tables)

Borrowed Funds (Tables)	9 Months Ended
	Sep. 30, 2017
Debt Disclosure [Abstract]
Schedule of Short-term Debt	Short-term borrowings: A summary of short-term borrowings is presented below: Nine Months Ended September 30, 2017 2016 Dollars in thousands Short-term FHLB Advances Federal Funds Purchased and Lines of Credit Short-term FHLB Advances Federal Funds Purchased and Lines of Credit Balance at September 30 $ 199,500 $ 3,488 $ 231,200 $ 3,457 Average balance outstanding for the period 196,728 3,474 177,239 3,455 Maximum balance outstanding at any month end during period 229,300 3,488 231,200 3,457 Weighted average interest rate for the period 1.10 % 1.03 % 0.59 % 0.50 % Weighted average interest rate for balances outstanding at September 30 1.32 % 1.25 % 0.54 % 0.50 %
Schedule of Long-term Debt Instruments	ll FHLB advances are collateralized primarily by similar amounts of residential mortgage loans, certain commercial loans, mortgage backed securities and securities of U. S. Government agencies and corporations. Balance at September 30, Balance at Dollars in thousands 2017 2016 2016 Long-term FHLB advances $ 755 $ 792 $ 767 Long-term repurchase agreements 45,000 72,000 45,000 Term loan — 1,354 903 Total $ 45,755 $ 74,146 $ 46,670
Schedule of Maturities of Long-term Debt	A summary of the maturities of all long-term borrowings and subordinated debentures for the next five years and thereafter is as follows: Dollars in thousands Long-term borrowings Subordinated debentures owed to unconsolidated subsidiary trusts Year Ending December 31, 2017 $ 4 $ — 2018 45,017 — 2019 18 — 2020 19 — 2021 20 — Thereafter 677 19,589 $ 45,755 $ 19,589

Share Based Compensation (Table

Share Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions	The assumptions used to value SARs issued during 2017 were as follows: 5-year vesting SARs 7-year vesting SARs Risk-free interest rate 2.16 % 2.24 % Expected dividend yield 1.45 % 1.45 % Expected common stock volatility 60.05 % 59.60 % Expected life 6.5 years 7.0 years
Schedule of Share-based Compensation, Stock Options, Activity	A summary of activity in our Plans during the first nine months of 2017 and 2016 is as follows: For the Nine Months Ended September 30, 2017 2016 Options/SARs Weighted-Average Exercise Price Options/SARs Weighted-Average Exercise Price Outstanding, January 1 217,857 $ 13.56 244,147 $ 14.05 Granted 87,615 26.01 — — Exercised (2,000 ) 6.21 — — Forfeited — — — — Expired — — — — Outstanding, September 30 303,472 $ 17.20 244,147 $ 14.05
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range	Other information regarding awards outstanding and exercisable at September 30, 2017 is as follows: Options/SARs Outstanding Options/SARs Exercisable Range of exercise price # of awards WAEP Wted. Avg. Remaining Contractual Life (yrs) Aggregate Intrinsic Value (in thousands) # of awards WAEP Aggregate Intrinsic Value (in thousands) $2.54 - $6.00 5,000 $ 2.54 5.83 $ 116 5,000 $ 2.54 $ 116 6.01 - 10.00 5,640 8.91 1.29 94 5,640 8.91 94 10.01 - 17.50 166,717 12.01 7.57 2,275 66,687 12.01 910 17.51 - 20.00 15,100 17.81 0.78 119 15,100 17.81 119 20.01 - 25.93 111,015 25.99 7.64 — 23,400 25.93 — 303,472 17.20 $ 2,604 115,827 15.02 $ 1,239

Commitments And Contingencies (

Commitments And Contingencies (Tables)	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Summary of the Total Unfunded, or Off-Balance Sheet, Credit Extension Commitments	A summary of the total unfunded, or off-balance sheet, credit extension commitments follows: Dollars in thousands September 30, Commitments to extend credit: Revolving home equity and credit card lines $ 68,616 Construction loans 56,715 Other loans 104,778 Standby letters of credit 3,469 Total $ 233,578

Regulatory Matters (Tables)

Regulatory Matters (Tables)	9 Months Ended
	Sep. 30, 2017
Banking and Thrift [Abstract]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations	Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules. Actual Minimum Required Capital - Basel III Fully Phased-in Minimum Required To Be Well Capitalized Dollars in thousands Amount Ratio Amount Ratio Amount Ratio As of September 30, 2017 CET1 (to risk weighted assets) Summit $ 176,666 10.8 % $ 114,506 7.0 % $ 106,327 6.5 % Summit Community 194,410 11.8 % 115,328 7.0 % 107,090 6.5 % Tier I Capital (to risk weighted assets) Summit 195,666 11.9 % 139,761 8.5 % 131,540 8.0 % Summit Community 194,410 11.8 % 140,041 8.5 % 131,803 8.0 % Total Capital (to risk weighted assets) Summit 208,130 12.7 % 172,076 10.5 % 163,882 10.0 % Summit Community 206,874 12.6 % 172,395 10.5 % 164,186 10.0 % Tier I Capital (to average assets) Summit 195,666 9.5 % 82,386 4.0 % 102,982 5.0 % Summit Community 194,410 9.4 % 82,728 4.0 % 103,410 5.0 % Actual Minimum Required Capital - Basel III Fully Phased-in Minimum Required To Be Well Capitalized Dollars in thousands Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016 CET1 (to risk weighted assets) Summit 146,494 10.5 % 97,663 7.0 % 90,687 6.5 % Summit Community 165,747 11.9 % 97,498 7.0 % 90,534 6.5 % Tier I Capital (to risk weighted assets) Summit 164,357 11.8 % 118,393 8.5 % 111,428 8.0 % Summit Community 165,747 11.9 % 118,391 8.5 % 111,427 8.0 % Total Capital (to risk weighted assets) Summit 176,031 12.6 % 146,693 10.5 % 139,707 10.0 % Summit Community 177,421 12.7 % 146,687 10.5 % 139,702 10.0 % Tier I Capital (to average assets) Summit 164,357 9.4 % 69,939 4.0 % 87,424 5.0 % Summit Community 165,747 9.5 % 69,788 4.0 % 87,235 5.0 %

Segment Information (Tables)

Segment Information (Tables)	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Schedule of Segment Reporting Information, by Segment	Information for each of our segments is included below: Three Months Ended September 30, 2017 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 17,408 $ — $ — $ (176 ) $ — $ 17,232 Provision for loan losses 375 — — — — 375 Net interest income after provision for loan losses 17,033 — — (176 ) — 16,857 Other income 2,408 589 1,003 491 (491 ) 4,000 Other expenses 10,844 546 814 734 (491 ) 12,447 Income (loss) before income taxes 8,597 43 189 (419 ) — 8,410 Income tax expense (benefit) 2,482 16 92 (110 ) — 2,480 Net income (loss) $ 6,115 $ 27 $ 97 $ (309 ) $ — $ 5,930 Inter-segment revenue (expense) $ (451 ) $ — $ (40 ) $ 491 $ — $ — Average assets $ 2,110,832 $ — $ 6,288 $ 217,928 $ (246,788 ) $ 2,088,260 Capital expenditures $ 1,497 $ — $ — $ — $ — $ 1,497 Three Months Ended September 30, 2016 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 12,197 $ — $ — $ (160 ) $ — $ 12,037 Provision for loan losses — — — — — — Net interest income after provision for loan losses 12,197 — — (160 ) — 12,037 Other income 1,622 126 1,001 389 (389 ) 2,749 Other expenses 7,249 100 902 557 (389 ) 8,419 Income (loss) before income taxes 6,570 26 99 (328 ) — 6,367 Income tax expense (benefit) 2,145 10 40 (109 ) — 2,086 Net income (loss) $ 4,425 $ 16 $ 59 $ (219 ) $ — $ 4,281 Inter-segment revenue (expense) $ (361 ) $ — $ (28 ) $ 389 $ — $ — Average assets $ 1,609,343 $ — $ 6,005 $ 175,581 $ (201,875 ) $ 1,589,054 Capital expenditures $ 766 $ — $ — $ — $ — $ 766 Nine Months Ended September 30, 2017 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 49,220 $ — $ — $ (511 ) $ — $ 48,709 Provision for loan losses 875 — — — — 875 Net interest income after provision for loan losses 48,345 — — (511 ) — 47,834 Other income 6,280 1,284 2,932 1,473 (1,473 ) 10,496 Other expenses 41,351 1,219 2,495 1,807 (1,473 ) 45,399 Income (loss) before income taxes 13,274 65 437 (845 ) — 12,931 Income tax expense (benefit) 3,386 24 190 (261 ) — 3,339 Net income (loss) $ 9,888 $ 41 $ 247 $ (584 ) $ — $ 9,592 Inter-segment revenue (expense) $ (1,353 ) $ — $ (120 ) $ 1,473 $ — $ — Average assets $ 1,994,042 $ — $ 6,197 $ 203,459 $ (232,211 ) $ 1,971,487 Capital expenditures $ 5,544 $ — $ 36 $ 92 $ — $ 5,672 Nine Months Ended September 30, 2016 Dollars in thousands Community Banking Trust and Wealth Management Insurance Services Parent Eliminations Total Net interest income $ 36,028 $ — $ — $ (478 ) $ — $ 35,550 Provision for loan losses 500 — — — — 500 Net interest income after provision for loan losses 35,528 — — (478 ) — 35,050 Other income 5,240 358 3,003 1,166 (1,166 ) 8,601 Other expenses 21,735 335 2,771 1,735 (1,166 ) 25,410 Income (loss) before income taxes 19,033 23 232 (1,047 ) — 18,241 Income tax expense (benefit) 5,888 9 95 (337 ) — 5,655 Net income (loss) $ 13,145 $ 14 $ 137 $ (710 ) $ — $ 12,586 Inter-segment revenue (expense) $ (1,081 ) $ — $ (85 ) $ 1,166 $ — $ — Average assets $ 1,565,099 $ — $ 5,951 $ 172,840 $ (199,962 ) $ 1,543,928 Capital expenditures $ 1,099 $ — $ 9 $ 91 $ — $ 1,199

Derivative Financial Instrume41

Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Interest Rate Derivatives	A summary of our derivative financial instruments as of September 30, 2017 and December 31, 2016 follows: September 30, 2017 Notional Amount Derivative Fair Value Net Ineffective Dollars in thousands Asset Liability Hedge Gains/(Losses) CASH FLOW HEDGES Pay-fixed/receive-variable interest rate swaps Short term borrowings $ 110,000 $ — $ 3,056 $ — FAIR VALUE HEDGES Pay-fixed/receive-variable interest rate swaps Commercial real estate loans $ 20,103 $ 125 $ — $ — December 31, 2016 Notional Amount Derivative Fair Value Net Ineffective Dollars in thousands Asset Liability Hedge Gains/(Losses) CASH FLOW HEDGES Pay-fixed/receive-variable interest rate swaps Short term borrowings $ 110,000 $ — $ 4,611 $ — FAIR VALUE HEDGES Pay-fixed/receive-variable interest rate swaps Commercial real estate loans $ 20,507 $ 200 $ — $ —

Acquisitions Acquisitions (Tabl

Acquisitions Acquisitions (Tables)	9 Months Ended
	Sep. 30, 2017
Business Combinations [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	The following table details the total consideration paid on April 1, 2017 in connection with the acquisition of FCB, the fair values of the assets acquired and liabilities assumed and the resulting goodwill. Dollars in thousands As Recorded by FCB Estimated Fair Value Adjustments Estimated Fair Values as Recorded by Summit Cash consideration $ 14,989 Stock consideration 33,127 Total consideration 48,116 Identifiable assets acquired: Cash and cash equivalents $ 54,042 $ — $ 54,042 Securities available for sale, at fair value 101,022 295 101,317 Loans Purchased performing 224,809 (2,693 ) 222,116 Purchased credit impaired 4,167 (540 ) 3,627 Allowance for loan losses (2,511 ) 2,511 — Premises and equipment 10,396 (4,222 ) 6,174 Property held for sale 4,596 (2,219 ) 2,377 Goodwill 5,183 (5,183 ) — Core deposit intangibles — 10,916 10,916 Other assets 4,450 652 5,102 Total identifiable assets acquired 406,154 (483 ) 405,671 Identifiable liabilities assumed: Deposits 349,726 807 350,533 Other liabilities 11,216 58 11,274 Total identifiable liabilities assumed 360,942 865 361,807 Net identifiable assets acquired $ 45,212 $ (1,348 ) $ 43,864 Goodwill resulting from acquisition $ 4,252
Schedule of PCI Loan Portfolio	The PCI loan portfolio related to the FCB acquisition was recorded at estimated fair value on the date of acquisition, April 1, 2017, as follows: Dollars in thousands Acquired Loans -PCI Contractual principal and interest due $ 4,885 Nonaccretable difference (597 ) Expected cash flows 4,288 Accretable yield (661 ) Purchase credit impaired loans - estimated fair value $ 3,627
Pro Forma Information of the Combined Entities Summit FCB and HCB	The following table estimates the pro forma revenue, net income and diluted earnings per share of the combined entities of Summit, HCB and FCB as if the acquisitions had taken place on January 1, 2016. All acquisition related expenses were excluded from the pro forma information. We expect to achieve operational cost savings and other efficiencies as a result of the acquisitions which are not reflected in the pro forma amounts below. Summit, HCB & FCB Pro Forma For the Nine Months Ended September 30, Dollars in thousands, except per share amounts 2017 2016 Total revenues, net of interest expense $ 64,313 $ 61,457 Net income $ 11,176 $ 15,017 Diluted earnings per share $ 0.95 $ 1.23
Financial Effects of Purchase Accounting Adjustments [Table Text Block]	The following presents the financial effects of adjustments recognized in the statement of income for the three and nine months ended September 30, 2017 related to business combinations that occurred during 2016 or 2017. Income increase (decrease) Dollars in thousands Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 Interest and fees on loans $ 224 $ 712 Interest expense on deposits 76 167 Amortization of intangibles (399 ) (825 ) Income before income tax expense $ (99 ) $ 54

Accumulated Other Comprehensi43

Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Tables)	9 Months Ended
	Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract]
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	The following is changes in accumulated other comprehensive income (loss) by component, net of tax, for the three and nine months ending September 30, 2017 and 2016 . For the Three Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ 219 $ (2,238 ) $ 1,712 $ (307 ) Other comprehensive income before reclassification — 313 399 712 Amounts reclassified from accumulated other comprehensive income — — (16 ) (16 ) Net current period other comprehensive income — 313 383 696 Ending balance $ 219 $ (1,925 ) $ 2,095 $ 389 For the Three Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (5,135 ) $ 5,014 $ (121 ) Other comprehensive income before reclassification — 608 (867 ) (259 ) Amounts reclassified from accumulated other comprehensive income — — (38 ) (38 ) Net current period other comprehensive income (loss) — 608 (905 ) (297 ) Ending balance $ — $ (4,527 ) $ 4,109 $ (418 ) For the Nine Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (2,905 ) $ (357 ) $ (3,262 ) Other comprehensive income before reclassification 219 980 2,489 3,688 Amounts reclassified from accumulated other comprehensive income — — (37 ) (37 ) Net current period other comprehensive income 219 980 2,452 3,651 Ending balance $ 219 $ (1,925 ) $ 2,095 $ 389 For the Nine Months Ended Dollars in thousands Gains and Losses on Other Post-Retirement Benefits Gains and Losses on Cash Flow Hedges Unrealized Gains (Losses) on Available-for-Sale Securities Total Beginning balance $ — $ (3,195 ) $ 2,739 $ (456 ) Other comprehensive income (loss) before reclassification — (1,332 ) 1,897 565 Amounts reclassified from accumulated other comprehensive income — — (527 ) (527 ) Net current period other comprehensive income — (1,332 ) 1,370 38 Ending balance $ — $ (4,527 ) $ 4,109 $ (418 )

Income Taxes Income Taxes (Tabl

Income Taxes Income Taxes (Tables)	9 Months Ended
	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	For the Three Months Ended September 30, For the Nine Months Ended September 30, 2017 2016 2017 2016 Dollars in thousands Percent Percent Percent Percent Applicable statutory rate 35.0 % 35.0 % 35.0 % 35.0 % Increase (decrease) in rate resulting from: Tax-exempt interest and dividends, net (5.1 )% (4.2 )% (8.8 )% (4.4 )% State income taxes (benefit), net of Federal income tax benefit 1.8 % 1.7 % 1.8 % 1.6 % Other, net (2.2 )% 0.3 % (2.2 )% (1.2 )% Effective income tax rate 29.5 % 32.8 % 25.8 % 31.0 %
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	For the Three Months Ended September 30, For the Nine Months Ended September 30, Dollars in thousands 2017 2016 2017 2016 Current Federal $ 2,436 $ 1,992 $ 3,315 $ 5,439 State 251 171 388 451 2,687 2,163 3,703 5,890 Deferred Federal (190 ) (76 ) (333 ) (234 ) State (17 ) (1 ) (31 ) (1 ) (207 ) (77 ) (364 ) (235 ) Total $ 2,480 $ 2,086 $ 3,339 $ 5,655

Fair Value Measurements (Assets

Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016		Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 328,726	$ 266,542	[1]	$ 262,102
U.S. Government sponsored agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	24,135	15,174		15,692
Government Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	121,759	138,846		135,205
Nongovernment Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,755	4,653		5,401
Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,190	18,170		19,903
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	137	137		$ 77
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	328,726	266,542
Fair Value, Measurements, Recurring [Member] | U.S. Government sponsored agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	24,135	15,174
Fair Value, Measurements, Recurring [Member] | Government Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	121,759	138,846
Fair Value, Measurements, Recurring [Member] | Nongovernment Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,755	4,653
Fair Value, Measurements, Recurring [Member] | U S States And Political Subdivisions General Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	13,435
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,190	18,170
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	137	137
Fair Value, Measurements, Recurring [Member] | Tax Exempt Debt Securities Us States And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	150,315	89,562
Fair Value, Measurements, Recurring [Member] | Interest rate swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value, Asset	125	200
Derivative Fair Value, Liability	3,056	4,611
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | U.S. Government sponsored agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Government Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Nongovernment Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | U S States And Political Subdivisions General Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Tax Exempt Debt Securities Us States And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 1 [Member] | Interest rate swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value, Asset	0	0
Derivative Fair Value, Liability	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	328,726	266,542
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | U.S. Government sponsored agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	24,135	15,174
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Government Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	121,759	138,846
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Nongovernment Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,755	4,653
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | U S States And Political Subdivisions General Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	13,435
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	16,190	18,170
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	137	137
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Tax Exempt Debt Securities Us States And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	150,315	89,562
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 2 [Member] | Interest rate swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value, Asset	125	200
Derivative Fair Value, Liability	3,056	4,611
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | U.S. Government sponsored agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Government Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Nongovernment Sponsored Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | U S States And Political Subdivisions General Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Tax Exempt Debt Securities Us States And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value Inputs Level 3 [Member] | Interest rate swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Fair Value, Asset	0	0
Derivative Fair Value, Liability	$ 0	$ 0
[1]	Derived from audited consolidated financial statements

Fair Value Measurements (Asse46

Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage loans held for sale	$ 220	$ 176
Collateral-dependent impaired loans	1,666	1,075
Foreclosed properties	18,455	20,582
Commercial Real Estate Portfolio Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	518
Foreclosed properties	1,476	976
Construction And Development Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	945	945
Foreclosed properties	16,627	19,327
Residential Real Estate Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	203	130
Foreclosed properties	352	279
Fair Value Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage loans held for sale	0	0
Collateral-dependent impaired loans	0	0
Foreclosed properties	0	0
Fair Value Inputs Level 1 [Member] | Commercial Real Estate Portfolio Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0
Foreclosed properties	0	0
Fair Value Inputs Level 1 [Member] | Construction And Development Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0	0
Foreclosed properties	0	0
Fair Value Inputs Level 1 [Member] | Residential Real Estate Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0	0
Foreclosed properties	0	0
Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage loans held for sale	220	176
Collateral-dependent impaired loans	1,666	1,075
Foreclosed properties	18,271	20,582
Fair Value Inputs Level 2 [Member] | Commercial Real Estate Portfolio Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	518
Foreclosed properties	1,292	976
Fair Value Inputs Level 2 [Member] | Construction And Development Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	945	945
Foreclosed properties	16,627	19,327
Fair Value Inputs Level 2 [Member] | Residential Real Estate Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	203	130
Foreclosed properties	352	279
Fair Value Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage loans held for sale	0	0
Collateral-dependent impaired loans	0	0
Foreclosed properties	184	0
Fair Value Inputs Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0
Foreclosed properties	184	0
Fair Value Inputs Level 3 [Member] | Construction And Development Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0	0
Foreclosed properties	0	0
Fair Value Inputs Level 3 [Member] | Residential Real Estate Financial Receivable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	0	0
Foreclosed properties	$ 0	$ 0

Fair Value Measurements (Carryi

Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	$ 220	$ 176
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	51,214	46,616
AvailableForSaleSecuritiesFairValueDisclosure1	328,726	266,542
Other investments	12,170	12,942
Loans held for sale, net	220	176
Loans, net	1,559,328	1,307,862
Accrued interest receivable	7,979	6,167
Derivative Asset	125	200
Total assets	1,959,762	1,640,505
Deposits	1,616,768	1,295,519
Short-term borrowings	202,988	224,461
Long-term borrowings	45,755	46,670
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	912	736
Derivative financial liabilities	3,056	4,611
Total liabilities	1,889,068	1,591,586
Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	51,214	46,616
AvailableForSaleSecuritiesFairValueDisclosure1	328,726	266,542
Other investments	12,170	12,942
Loans held for sale, net	220	176
Loans, net	1,557,227	1,321,235
Accrued interest receivable	7,979	6,167
Derivative Asset	125	200
Total assets	1,957,661	1,653,878
Deposits	1,637,258	1,309,820
Short-term borrowings	202,988	224,461
Long-term borrowings	46,962	49,013
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	912	736
Derivative financial liabilities	3,056	4,611
Total liabilities	1,910,765	1,608,230
Fair Value Inputs Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value Inputs Level 1 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
AvailableForSaleSecuritiesFairValueDisclosure1	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	0	0
Accrued interest receivable	0	0
Derivative Asset	0	0
Total assets	0	0
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	0	0
Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	220	176
Fair Value Inputs Level 2 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	51,214	46,616
AvailableForSaleSecuritiesFairValueDisclosure1	328,726	266,542
Other investments	12,170	12,942
Loans held for sale, net	220	176
Loans, net	1,666	1,075
Accrued interest receivable	7,979	6,167
Derivative Asset	125	200
Total assets	402,100	333,718
Deposits	1,637,258	1,309,820
Short-term borrowings	202,988	224,461
Long-term borrowings	46,962	49,013
Subordinated debentures owed to unconsolidated subsidiary trusts	19,589	19,589
Accrued interest payable	912	736
Derivative financial liabilities	3,056	4,611
Total liabilities	1,910,765	1,608,230
Fair Value Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, net	0	0
Fair Value Inputs Level 3 [Member] | Estimated Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0
AvailableForSaleSecuritiesFairValueDisclosure1	0	0
Other investments	0	0
Loans held for sale, net	0	0
Loans, net	1,555,561	1,320,160
Accrued interest receivable	0	0
Derivative Asset	0	0
Total assets	1,555,561	1,320,160
Deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Subordinated debentures owed to unconsolidated subsidiary trusts	0	0
Accrued interest payable	0	0
Derivative financial liabilities	0	0
Total liabilities	$ 0	$ 0

Earnings Per Share (Computation

Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Line Items]
Anti-dilutive stock options		33,600	23,400	57,000
Net income	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Net income (loss) applicable to common shares	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Basic EPS, Common Shares (Denominator) (in shares)	12,299,987	10,692,423	11,781,342	10,682,129
Basic EPS (in dollars per share)	$ 0.48	$ 0.40	$ 0.81	$ 1.18
Diluted EPS, Stock options, Common Shares (Denominator) (in shares)	10,911	12,865	11,336	8,774
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	8,061	21,851	14,324	1,443
Diluted EPS, Income (Numerator)	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Diluted EPS, Common Shares (Denominator) (in shares)	12,318,959	10,727,139	11,807,002	10,692,346
Diluted EPS (in dollars per share)	$ 0.48	$ 0.40	$ 0.81	$ 1.18

Earnings Per Share (Narrative)

Earnings Per Share (Narrative) (Details) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options	33,600	23,400	57,000
Stock Appreciation Rights (SARs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive stock options		87,615

Securities (Summary Of Amortize

Securities (Summary Of Amortized Cost, Unrealized Gains, Unrealized Losses And Estimated Fair Values) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016		Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	$ 325,397	$ 267,105		$ 255,578
Available for sale securities, Unrealized Gains	5,101	3,005		7,206
Available for sale securities, Unrealized Losses	1,772	3,568		682
Available for sale securities, Estimated Fair Value	328,726	266,542	[1]	262,102
U S Government Corporations And Agencies Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	23,591	14,580		14,818
Available for sale securities, Unrealized Gains	608	642		921
Available for sale securities, Unrealized Losses	64	48		47
Available for sale securities, Estimated Fair Value	24,135	15,174		15,692
Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	120,898	138,451		132,913
Available for sale securities, Unrealized Gains	1,580	1,554		2,556
Available for sale securities, Unrealized Losses	719	1,159		264
Available for sale securities, Estimated Fair Value	121,759	138,846		135,205
Nongovernment Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	2,714	4,631		5,382
Available for sale securities, Unrealized Gains	49	44		48
Available for sale securities, Unrealized Losses	8	22		29
Available for sale securities, Estimated Fair Value	2,755	4,653		5,401
State and Political Subdivisions General Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	2,803
Available for sale securities, Unrealized Gains	11
Available for sale securities, Unrealized Losses	1
Available for sale securities, Estimated Fair Value	2,813
State and Policital Subdivisions Water and Sewer Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost				250
Available for sale securities, Unrealized Gains				0
Available for sale securities, Unrealized Losses				0
Available for sale securities, Estimated Fair Value				250
State and Policital Subdivisions Other Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	10,568
Available for sale securities, Unrealized Gains	83
Available for sale securities, Unrealized Losses	29
Available for sale securities, Estimated Fair Value	10,622
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	16,326	18,295		20,003
Available for sale securities, Unrealized Gains	0	23		49
Available for sale securities, Unrealized Losses	136	148		149
Available for sale securities, Estimated Fair Value	16,190	18,170		19,903
Taxable Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	176,900	175,957		173,366
Available for sale securities, Unrealized Gains	2,331	2,263		3,574
Available for sale securities, Unrealized Losses	957	1,377		489
Available for sale securities, Estimated Fair Value	178,274	176,843		176,451
Tax Exempt State and Political Subdivisions General Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	70,714	49,449		47,014
Available for sale securities, Unrealized Gains	1,382	569		2,221
Available for sale securities, Unrealized Losses	510	1,388		115
Available for sale securities, Estimated Fair Value	71,586	48,630		49,120
Tax Exempt State and Political Subdivisions Water and Sewer Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	25,049	9,087		7,980
Available for sale securities, Unrealized Gains	433	63		265
Available for sale securities, Unrealized Losses	74	149		11
Available for sale securities, Estimated Fair Value	25,408	9,001		8,234
Tax Exempt State and Political Subdivisions Lease Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	14,250	9,037		7,392
Available for sale securities, Unrealized Gains	283	7		321
Available for sale securities, Unrealized Losses	71	201		38
Available for sale securities, Estimated Fair Value	14,462	8,843		7,675
Tax Exempt State and Political Subdivisions Electric Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	6,226	3,247
Available for sale securities, Unrealized Gains	76	10
Available for sale securities, Unrealized Losses	23	48
Available for sale securities, Estimated Fair Value	6,279	3,209
Tax Exempt State and Political Subdivisions Sales Tax Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost		2,870		2,880
Available for sale securities, Unrealized Gains		0		124
Available for sale securities, Unrealized Losses		34		0
Available for sale securities, Estimated Fair Value		2,836		3,004
Tax Exempt State and Political Subdivisions University Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	5,290
Available for sale securities, Unrealized Gains	3
Available for sale securities, Unrealized Losses	22
Available for sale securities, Estimated Fair Value	5,271
Tax Exempt State and Political Subdivisions Other Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	26,831	17,321		16,869
Available for sale securities, Unrealized Gains	593	93		701
Available for sale securities, Unrealized Losses	115	371		29
Available for sale securities, Estimated Fair Value	27,309	17,043		17,541
Tax Exempt Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	148,360	91,011		82,135
Available for sale securities, Unrealized Gains	2,770	742		3,632
Available for sale securities, Unrealized Losses	815	2,191		193
Available for sale securities, Estimated Fair Value	150,315	89,562		85,574
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	137	137		77
Available for sale securities, Unrealized Gains	0	0		0
Available for sale securities, Unrealized Losses	0	0		0
Available for sale securities, Estimated Fair Value	$ 137	$ 137		$ 77
[1]	Derived from audited consolidated financial statements

Securities (Summary of Volume o

Securities (Summary of Volume of State and Political Subdivision Securities Held in Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016		Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	$ 325,397	$ 267,105		$ 255,578
Available for sale securities, Unrealized Gains	5,101	3,005		7,206
Available for sale securities, Unrealized Losses	1,772	3,568		682
Available for sale securities, Estimated Fair Value	328,726	$ 266,542	[1]	$ 262,102
Texas
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	20,215
Available for sale securities, Unrealized Gains	440
Available for sale securities, Unrealized Losses	71
Available for sale securities, Estimated Fair Value	20,584
MICHIGAN
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	18,823
Available for sale securities, Unrealized Gains	235
Available for sale securities, Unrealized Losses	212
Available for sale securities, Estimated Fair Value	18,846
CALIFORNIA
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	15,314
Available for sale securities, Unrealized Gains	260
Available for sale securities, Unrealized Losses	64
Available for sale securities, Estimated Fair Value	15,510
Illinois
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	12,463
Available for sale securities, Unrealized Gains	244
Available for sale securities, Unrealized Losses	38
Available for sale securities, Estimated Fair Value	12,669
PENNSYLVANIA
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	10,603
Available for sale securities, Unrealized Gains	91
Available for sale securities, Unrealized Losses	79
Available for sale securities, Estimated Fair Value	$ 10,615
[1]	Derived from audited consolidated financial statements

Securities (Summary Of Maturiti

Securities (Summary Of Maturities, Amortized Cost And Estimated Fair Values Of Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Available-for-sale Securities [Abstract]
Due in one year or less, Amortized Cost	$ 46,461
Due from one to five years, Amortized Cost	82,524
Due from five to ten years, Amortized Cost	33,110
Due after ten years, Amortized Cost	163,165
Equity securities, Amortized Cost	137
Total Amortized Cost	325,397	$ 267,105	$ 255,578
Due in one year or less, Estimated Fair Value	46,984
Due from one to five years, Estimated Fair Value	83,284
Due from five to ten years, Estimated Fair Value	33,119
Due after ten years, Estimated Fair Value	165,202
Equity securities, Estimated Fair Value	137
Total Estimated Fair Value	$ 328,726

Securities (Summary Of Proceeds

Securities (Summary Of Proceeds From Sales, Calls And Maturities, Principal Payments, Gains And Losses Of Securities) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Available-for-sale Securities [Abstract]
Securities available for sale, Proceeds from Sales	$ 131,345	$ 63,641
Securities available for sale, Proceeds from Calls and Maturities	2,610	630
Securities available for sale, Proceeds from Principal Payments	24,349	27,696
Securities available for sale, Gross realized Gains	416	1,117
Securities available for sale, Gross realized Losses	$ 358	$ 281

Securities (Narrative) (Details

Securities (Narrative) (Details)	9 Months Ended
	Sep. 30, 2017securitystate
Available-for-sale Securities [Abstract]
Number of states with highest volume of state and political subdivision securities | state	5
Securities held with an unrealized loss position | security	81

Securities (Summary Of Securiti

Securities (Summary Of Securities Available For Sale In Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	$ 74,570	$ 115,357
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(737)	(3,212)
12 months or more, Estimated Fair Value	31,365	17,113
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(1,035)	(356)
Total Estimated Fair Value	105,935	132,470
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,772)	(3,568)
Temporarily Impaired Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	74,570	115,357
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(737)	(3,212)
12 months or more, Estimated Fair Value	31,365	17,113
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(1,035)	(356)
Total Estimated Fair Value	105,935	132,470
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,772)	(3,568)
Temporarily Impaired Securities [Member] | U S Government Corporations And Agencies Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	5,374	763
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(25)	(5)
12 months or more, Estimated Fair Value	2,712	2,575
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(39)	(43)
Total Estimated Fair Value	8,086	3,338
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(64)	(48)
Temporarily Impaired Securities [Member] | Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	29,222	55,388
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(316)	(985)
12 months or more, Estimated Fair Value	13,476	8,389
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(403)	(174)
Total Estimated Fair Value	42,698	63,777
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(719)	(1,159)
Temporarily Impaired Securities [Member] | Nongovernment Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	0	97
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	0
12 months or more, Estimated Fair Value	949	3,013
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(8)	(22)
Total Estimated Fair Value	949	3,110
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(8)	(22)
Temporarily Impaired Securities [Member] | State and Political Subdivisions General Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	734
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(1)
12 months or more, Estimated Fair Value	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Total Estimated Fair Value	734
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1)
Temporarily Impaired Securities [Member] | State and Political Subdivisions Other Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	4,816
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(29)
12 months or more, Estimated Fair Value	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Total Estimated Fair Value	4,816
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(29)
Temporarily Impaired Securities [Member] | Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	3,014	968
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(39)	(31)
12 months or more, Estimated Fair Value	1,653	3,136
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(97)	(117)
Total Estimated Fair Value	4,667	4,104
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(136)	(148)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions General Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	14,204	33,115
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(164)	(1,388)
12 months or more, Estimated Fair Value	10,236	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(346)	0
Total Estimated Fair Value	24,440	33,115
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(510)	(1,388)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions Water and Sewer Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	6,702	4,761
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(74)	(149)
12 months or more, Estimated Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Total Estimated Fair Value	6,702	4,761
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(74)	(149)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions Lease Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	571	7,011
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(2)	(201)
12 months or more, Estimated Fair Value	1,061	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(69)	0
Total Estimated Fair Value	1,632	7,011
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(71)	(201)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions Electric Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	2,146	1,973
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(23)	(48)
12 months or more, Estimated Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Total Estimated Fair Value	2,146	1,973
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(23)	(48)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions Sales Tax Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value		2,836
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		(34)
12 months or more, Estimated Fair Value		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		0
Total Estimated Fair Value		2,836
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss		(34)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions University Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	3,508
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(22)
12 months or more, Estimated Fair Value	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Total Estimated Fair Value	3,508
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(22)
Temporarily Impaired Securities [Member] | Tax Exempt State and Political Subdivisions Other Revenues [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Estimated Fair Value	4,279	8,445
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(42)	(371)
12 months or more, Estimated Fair Value	1,278	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(73)	0
Total Estimated Fair Value	5,557	8,445
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ (115)	$ (371)

Loans (Narrative) (Details)

Loans (Narrative) (Details)	9 Months Ended
	Sep. 30, 2017USD ($)contract	Dec. 31, 2016USD ($)
Financing Receivable, Impaired [Line Items]
Risk rate loans, aggregate balance threshold	$ 2,500,000
Risk rate loans, loan balance threshold	500,000
Troubled debt restructurings included in impaired loans	29,100,000	$ 28,600,000
Current Troubled debt restructurings included in impaired loans	$ 28,300,000	$ 28,100,000
Number of days past due to be considered in default	30 days
Non-Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract	4
Land and Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract	1

Loans (Summary of Loans, Net of

Loans (Summary of Loans, Net of Unearned Fees) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	$ 1,571,793	$ 1,319,536	$ 1,246,224
Less allowance for loan losses	12,465	11,674	11,619
Loans, net	1,559,328	1,307,862	1,234,605
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	187,193	119,088	110,466
Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	239,840	203,047	192,254
Non-Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	464,543	381,921	367,196
Land and Land Improvements [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	71,412	72,042	65,430
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	28,756	16,584	11,276
Non-Jumbo [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	355,642	265,641	228,777
Jumbo [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	61,253	65,628	57,276
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	82,720	74,596	75,161
Mortgage Warehouse Lines [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	33,525	85,966	108,983
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	36,915	25,534	19,756
Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned fees	$ 9,994	$ 9,489	$ 9,649

Loans Loans (Schedule of Acquir

Loans Loans (Schedule of Acquired Loans) (Details) $ in Thousands	Sep. 30, 2017USD ($)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Total Outstanding Balance	$ 244,707
Acquired Loans Carrying Value	241,858
Commercial Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	31,441
Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	23,779
Non-Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	37,550
Land and Land Improvements [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	9,080
Construction Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	2,226
Non-Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	116,617
Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	4,448
Home Equity [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	3,431
Consumer Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	13,050
Other Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Carrying Value	236
Purchased Impaired Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	6,393
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	5,418
Purchased Impaired Loans [Member] | Commercial Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	11
Purchased Impaired Loans [Member] | Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	695
Purchased Impaired Loans [Member] | Non-Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	1,846
Purchased Impaired Loans [Member] | Land and Land Improvements [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0
Purchased Impaired Loans [Member] | Construction Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0
Purchased Impaired Loans [Member] | Non-Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	1,861
Purchased Impaired Loans [Member] | Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	1,005
Purchased Impaired Loans [Member] | Home Equity [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0
Purchased Impaired Loans [Member] | Consumer Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0
Purchased Impaired Loans [Member] | Other Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	0
Purchase Nonimpaired Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchase Performing Outstanding Balance	238,314
Acquired Loans Purchased Performing Carrying Value	236,440
Purchase Nonimpaired Loans [Member] | Commercial Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	31,430
Purchase Nonimpaired Loans [Member] | Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	23,084
Purchase Nonimpaired Loans [Member] | Non-Owner Occupied [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	35,704
Purchase Nonimpaired Loans [Member] | Land and Land Improvements [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	9,080
Purchase Nonimpaired Loans [Member] | Construction Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	2,226
Purchase Nonimpaired Loans [Member] | Non-Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	114,756
Purchase Nonimpaired Loans [Member] | Jumbo [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	3,443
Purchase Nonimpaired Loans [Member] | Home Equity [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	3,431
Purchase Nonimpaired Loans [Member] | Consumer Portfolio Segment [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	13,050
Purchase Nonimpaired Loans [Member] | Other Loans [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Acquired Loans Purchased Performing Carrying Value	$ 236

Loans Loans (Summary of Change

Loans Loans (Summary of Change in Accretable Yield PCI Loans) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
First Century Bankshares, Inc [Member]
Summary of Change in Accretable Yield PCI Loans [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions	$ 661
Purchased Impaired Loans [Member]
Summary of Change in Accretable Yield PCI Loans [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield	803	$ 290
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	(135)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	0
Certain Loans Acquired in Transfer Not Accounting for as Debt Securities Accretable Yield Other Changes, Net	$ (13)

Loans (Schedule of Contractual

Loans (Schedule of Contractual Aging of Recorded Investment in Past Due Loans by Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 22,042	$ 16,126	$ 13,118
Current	1,549,751	1,303,410	1,233,106
Recorded Investment greater then 90 days and Accruing	35	0	21
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	444	341	1,041
Current	186,749	118,747	109,425
Recorded Investment greater then 90 days and Accruing	0	0	0
Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,254	602	756
Current	238,586	202,445	191,498
Recorded Investment greater then 90 days and Accruing	0	0	0
Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,398	405	389
Current	462,145	381,516	366,807
Recorded Investment greater then 90 days and Accruing	0	0	0
Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,169	4,404	3,969
Current	67,243	67,638	61,461
Recorded Investment greater then 90 days and Accruing	0	0	0
Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Current	28,756	16,584	11,276
Recorded Investment greater then 90 days and Accruing	0	0	0
Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	11,759	9,473	6,182
Current	343,883	256,168	222,595
Recorded Investment greater then 90 days and Accruing	0	0	0
Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Current	61,253	65,628	57,276
Recorded Investment greater then 90 days and Accruing	0	0	0
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	997	359	454
Current	81,723	74,237	74,707
Recorded Investment greater then 90 days and Accruing	0	0	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Current	33,525	85,966	108,983
Recorded Investment greater then 90 days and Accruing	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	965	542	327
Current	35,950	24,992	19,429
Recorded Investment greater then 90 days and Accruing	35	0	21
Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	56	0	0
Current	9,938	9,489	9,649
Recorded Investment greater then 90 days and Accruing	0	0	0
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	6,471	5,551	3,168
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	204	90	301
Financing Receivables, 30 to 59 Days Past Due [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	469	93	251
Financing Receivables, 30 to 59 Days Past Due [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	177	340	311
Financing Receivables, 30 to 59 Days Past Due [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	268	423	238
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,860	4,297	1,932
Financing Receivables, 30 to 59 Days Past Due [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	50	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	387	308	135
Financing Receivables, 30 to 59 Days Past Due [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	56	0	0
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,018	2,490	1,884
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	175	86	138
Financing Receivables, 60 to 89 Days Past Due [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	45	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	252	0	78
Financing Receivables, 60 to 89 Days Past Due [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	21	129	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,062	1,889	1,488
Financing Receivables, 60 to 89 Days Past Due [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	290	302	136
Financing Receivables, 60 to 89 Days Past Due [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	173	84	44
Financing Receivables, 60 to 89 Days Past Due [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	12,553	8,085	8,066
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	65	165	602
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	740	509	505
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,969	65	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,880	3,852	3,731
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,837	3,287	2,762
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	657	57	318
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	405	150	148
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 0	$ 0	$ 0

Loans (Schedule of Nonaccrual L

Loans (Schedule of Nonaccrual Loans Included in Net Balance of Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 16,037	$ 14,574	$ 14,395
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	757	298	846
Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	740	509	505
Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	2,033	4,336	4,362
Land and Land Improvements [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	3,931	4,465	4,360
Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0	0
Non-Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	7,309	4,621	3,680
Jumbo [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0	0
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	773	194	494
Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 494	$ 151	$ 148

Loans (Schedule of Loans Indivi

Loans (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 38,399	$ 39,031	$ 37,647
Unpaid Principal Balance	38,418	39,043	37,659
Related Allowance	1,644	896	1,404
Average Impaired Balance	35,194	38,752	37,895
Interest Income Recognized while impaired	1,502	1,488	1,324
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	254	791	285
Without a related allowance, Unpaid Principal Balance	254	790	285
Without a related allowance, Average Impaired Balance	264	400	247
Without a related allowance, Interest Income Recognized while impaired	10	9	10
With a related allowance, Recorded Investment	259	19	0
With a related allowance, Unpaid Principal Balance	259	19	0
With a related allowance, Related Allowance	259	19	0
With a related allowance, Average Impaired Balance	266	6	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	7,138	4,914	520
Without a related allowance, Unpaid Principal Balance	7,141	4,914	520
Without a related allowance, Average Impaired Balance	4,869	4,932	534
Without a related allowance, Interest Income Recognized while impaired	185	188	31
With a related allowance, Recorded Investment	2,448	2,499	6,864
With a related allowance, Unpaid Principal Balance	2,448	2,499	6,864
With a related allowance, Related Allowance	127	12	347
With a related allowance, Average Impaired Balance	2,456	2,491	6,879
With a related allowance, Interest Income Recognized while impaired	121	112	269
Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	9,884	10,394	10,203
Without a related allowance, Unpaid Principal Balance	9,886	10,396	10,205
Without a related allowance, Average Impaired Balance	10,142	10,831	10,675
Without a related allowance, Interest Income Recognized while impaired	511	456	294
With a related allowance, Recorded Investment	1,014	1,321	1,311
With a related allowance, Unpaid Principal Balance	1,018	1,321	1,311
With a related allowance, Related Allowance	501	132	197
With a related allowance, Average Impaired Balance	2	1,332	1,327
With a related allowance, Interest Income Recognized while impaired	0	43	43
Land and Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	5,029	6,181	5,227
Without a related allowance, Unpaid Principal Balance	5,029	6,181	5,227
Without a related allowance, Average Impaired Balance	4,729	6,207	5,270
Without a related allowance, Interest Income Recognized while impaired	87	104	80
With a related allowance, Recorded Investment	1,470	1,140	2,066
With a related allowance, Unpaid Principal Balance	1,470	1,141	2,066
With a related allowance, Related Allowance	525	492	585
With a related allowance, Average Impaired Balance	1,482	1,155	2,074
With a related allowance, Interest Income Recognized while impaired	56	58	80
Construction [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0	0
Without a related allowance, Unpaid Principal Balance	0	0	0
Without a related allowance, Average Impaired Balance	0	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0	0
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Non-Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,200	3,852	4,055
Without a related allowance, Unpaid Principal Balance	4,210	3,861	4,065
Without a related allowance, Average Impaired Balance	4,294	3,732	3,910
Without a related allowance, Interest Income Recognized while impaired	209	170	193
With a related allowance, Recorded Investment	1,728	2,617	2,055
With a related allowance, Unpaid Principal Balance	1,729	2,619	2,057
With a related allowance, Related Allowance	217	216	251
With a related allowance, Average Impaired Balance	1,681	2,329	1,851
With a related allowance, Interest Income Recognized while impaired	82	103	78
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	3,581	3,683	3,640
Without a related allowance, Unpaid Principal Balance	3,580	3,682	3,639
Without a related allowance, Average Impaired Balance	3,605	3,711	3,693
Without a related allowance, Interest Income Recognized while impaired	171	176	175
With a related allowance, Recorded Investment	841	859	853
With a related allowance, Unpaid Principal Balance	842	859	853
With a related allowance, Related Allowance	15	25	24
With a related allowance, Average Impaired Balance	847	864	862
With a related allowance, Interest Income Recognized while impaired	42	43	44
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	524	713	524
Without a related allowance, Unpaid Principal Balance	523	713	523
Without a related allowance, Average Impaired Balance	523	710	523
Without a related allowance, Interest Income Recognized while impaired	25	21	22
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0	0
Without a related allowance, Unpaid Principal Balance	0	0	0
Without a related allowance, Average Impaired Balance	0	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0	0
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	29	48	44
Without a related allowance, Unpaid Principal Balance	29	48	44
Without a related allowance, Average Impaired Balance	34	52	50
Without a related allowance, Interest Income Recognized while impaired	3	5	5
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Total Without a Related Allowance
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	30,639	30,576	24,498
Without a related allowance, Unpaid Principal Balance	30,652	30,585	24,508
Without a related allowance, Average Impaired Balance	28,460	30,575	24,902
Without a related allowance, Interest Income Recognized while impaired	1,201	1,129	810
Total With a Related Allowance
Financing Receivable, Impaired [Line Items]
With a related allowance, Recorded Investment	7,760	8,455	13,149
With a related allowance, Unpaid Principal Balance	7,766	8,458	13,151
With a related allowance, Related Allowance	1,644	896	1,404
With a related allowance, Average Impaired Balance	6,734	8,177	12,993
With a related allowance, Interest Income Recognized while impaired	301	359	514
Total Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	27,496	27,259	26,476
Unpaid Principal Balance	27,505	27,261	26,478
Related Allowance	1,412	655	1,129
Average Impaired Balance	24,210	27,354	27,006
Interest Income Recognized while impaired	970	970	807
Total Residential Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment	10,874	11,724	11,127
Unpaid Principal Balance	10,884	11,734	11,137
Related Allowance	232	241	275
Average Impaired Balance	10,950	11,346	10,839
Interest Income Recognized while impaired	529	513	512
Total Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment	29	48	44
Unpaid Principal Balance	29	48	44
Related Allowance	0	0	0
Average Impaired Balance	34	52	50
Interest Income Recognized while impaired	$ 3	$ 5	$ 5

Loans Loans (Schedule of Restru

Loans Loans (Schedule of Restructured Trouble Debt Restructuring By Class) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017USD ($)contract	Sep. 30, 2016USD ($)contract	Sep. 30, 2017USD ($)contract	Sep. 30, 2016USD ($)contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	3	1	8	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,888	$ 307	$ 3,974	$ 704
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,888	$ 307	$ 3,974	$ 704
Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,302	$ 0	$ 2,302	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,302	$ 0	$ 2,302	$ 0
Non-Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 148	$ 0	$ 148	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 148	$ 0	$ 148	$ 0
Land and Land Improvements [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 438	$ 0	$ 438	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 438	$ 0	$ 438	$ 0
Non-Jumbo [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract	0	1	5	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 307	$ 1,086	$ 702
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 307	$ 1,086	$ 702
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | contract			0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 0	$ 2
Financing Receivable, Modifications, Post-Modification Recorded Investment			$ 0	$ 2

Loans (Schedule of the Activity

Loans (Schedule of the Activity Regarding TDRs by Loan Type) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	$ 26,850	$ 28,622
Additions	2,888	3,974
Charge-offs	0	(65)
Net (paydowns) advances	(762)	(3,555)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	28,976	28,976
Allowance related to troubled debt restructurings	1,079	1,079
Land and Land Improvements [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	2,639	3,337
Additions	438	438
Charge-offs	0	0
Net (paydowns) advances	(15)	(713)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	3,062	3,062
Allowance related to troubled debt restructurings	461	461
Construction [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	0	0
Commercial [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	438	711
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(12)	(285)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	426	426
Allowance related to troubled debt restructurings	259	259
Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	7,315	7,383
Additions	2,302	2,302
Charge-offs	0	0
Net (paydowns) advances	(31)	(99)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	9,586	9,586
Allowance related to troubled debt restructurings	127	127
Non-Owner Occupied [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	5,245	6,714
Additions	148	148
Charge-offs	0	(65)
Net (paydowns) advances	(45)	(1,449)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,348	5,348
Allowance related to troubled debt restructurings	0	0
Non-Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	6,200	5,417
Additions	0	1,086
Charge-offs	0	0
Net (paydowns) advances	(621)	(924)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	5,579	5,579
Allowance related to troubled debt restructurings	217	217
Jumbo [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	4,456	4,493
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(33)	(70)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	4,423	4,423
Allowance related to troubled debt restructurings	15	15
Home Equity Line of Credit [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	523	523
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	523	523
Allowance related to troubled debt restructurings	0	0
Mortgage Warehouse Lines [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	0	0
Consumer Portfolio Segment [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	34	44
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	(5)	(15)
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	29	29
Allowance related to troubled debt restructurings	0	0
Other Loans [Member]
Troubled Debt Restructurings [Roll Forward]
Troubled debt restructurings, beginning balance	0	0
Additions	0	0
Charge-offs	0	0
Net (paydowns) advances	0	0
Transfer into foreclosed properties	0	0
Refinance out of TDR status	0	0
Troubled debt restructurings, ending balance	0	0
Allowance related to troubled debt restructurings	$ 0	$ 0

Loans (Schedule of Recorded Inv

Loans (Schedule of Recorded Investment Evaluated Based on Internal Risk Ratings) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment [Line Items]
Total	$ 1,571,793
Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	71,412	$ 72,042
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	28,756	16,584
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	187,193	119,088
Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	239,840	203,047
Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	464,543	381,921
Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	33,525	85,966
Pass [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	64,744	64,144
Pass [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	28,756	16,584
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	183,966	117,214
Pass [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	232,329	201,113
Pass [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	454,433	375,181
Pass [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	33,525	85,966
OLEM (Special Mention) [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,593	2,097
OLEM (Special Mention) [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
OLEM (Special Mention) [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,468	1,471
OLEM (Special Mention) [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,578	567
OLEM (Special Mention) [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,722	1,381
OLEM (Special Mention) [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	5,075	5,801
Substandard [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	759	403
Substandard [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,933	1,367
Substandard [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,388	5,359
Substandard [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Land and Land Improvements [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Loss [Member] | Mortgage Warehouse Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0

Loans (Schedule of Recorded I66

Loans (Schedule of Recorded Investment Evaluated Based on Aging Status of Loans and Payment Activity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Performing Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 537,876	$ 435,907	$ 386,263
Performing Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	348,333	261,020	225,097
Performing Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	61,253	65,628	57,276
Performing Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	81,947	74,402	74,667
Performing Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,349	25,368	19,574
Performing Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	9,994	9,489	9,649
Nonperforming Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,648	4,981	4,356
Nonperforming Financing Receivable [Member] | Non-Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,309	4,621	3,680
Nonperforming Financing Receivable [Member] | Jumbo [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0	0
Nonperforming Financing Receivable [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	773	194	494
Nonperforming Financing Receivable [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	566	166	182
Nonperforming Financing Receivable [Member] | Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0	$ 0

Allowance For Loan Losses (Summ

Allowance For Loan Losses (Summary Of Analysis Of Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,472
Total, Losses	738	1,155	1,555
Total Recoveries	654	802	1,257
Net losses	84	353	298
Provision for loan losses	875	500	500
Ending balance	12,465	11,619	11,674
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934
Total, Losses	23	379	489
Total Recoveries	13	69	73
Provision for loan losses	293
Ending balance	1,217		934
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109
Total, Losses	3	179	179
Total Recoveries	82	25	31
Provision for loan losses	121
Ending balance	2,309		2,109
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438
Total, Losses	65	122	124
Total Recoveries	92	13	17
Provision for loan losses	1,709
Ending balance	5,174		3,438
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263
Total, Losses	3	50	127
Total Recoveries	246	514	840
Provision for loan losses	(1,858)
Ending balance	648		2,263
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24
Total, Losses	21	0	9
Total Recoveries	0	0	0
Provision for loan losses	13
Ending balance	16		24
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174
Total, Losses	200	119	169
Total Recoveries	50	58	136
Provision for loan losses	24
Ending balance	2,048		2,174
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95
Total, Losses	2	0	0
Total Recoveries	0	6	6
Provision for loan losses	(15)
Ending balance	78		95
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413
Total, Losses	95	117	175
Total Recoveries	29	3	3
Provision for loan losses	261
Ending balance	608		413
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Total, Losses	0	0	0
Total Recoveries	0	0	0
Provision for loan losses	0
Ending balance	0		0
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	121
Total, Losses	147	61	98
Total Recoveries	64	55	76
Provision for loan losses	177
Ending balance	215		121
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103
Total, Losses	179	128	185
Total Recoveries	78	$ 59	75
Provision for loan losses	150
Ending balance	$ 152		$ 103

Allowance For Loan Losses (Su68

Allowance For Loan Losses (Summary Of Net Unearned Income) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Sep. 30, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 11,674	$ 11,472	$ 11,472
Charge-offs	(738)	(1,155)	(1,555)
Recoveries	654	802	1,257
Provision	875	500	500
Ending balance	12,465	11,619	11,674
Allowance related to: Loans individually evaluated for impairment				$ 1,644
Allowance related to: Loans collectively evaluated for impairment				10,812
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				9
Total, Allowance	11,674	11,472	11,472	12,465
Loans individually evaluated for impairment				38,399
Loans collectively evaluated for impairment				1,527,976
Loans Acquired with Deteriorated Credit Quality				5,418
Total, Loans				1,571,793
Land and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,263
Charge-offs	(3)	(50)	(127)
Recoveries	246	514	840
Provision	(1,858)
Ending balance	648		2,263
Allowance related to: Loans individually evaluated for impairment				525
Allowance related to: Loans collectively evaluated for impairment				123
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	2,263		2,263	648
Loans individually evaluated for impairment				6,499
Loans collectively evaluated for impairment				64,913
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				71,412
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	24
Charge-offs	(21)	0	(9)
Recoveries	0	0	0
Provision	13
Ending balance	16		24
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				16
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	24		24	16
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				28,756
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				28,756
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	934
Charge-offs	(23)	(379)	(489)
Recoveries	13	69	73
Provision	293
Ending balance	1,217		934
Allowance related to: Loans individually evaluated for impairment				259
Allowance related to: Loans collectively evaluated for impairment				958
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	934		934	1,217
Loans individually evaluated for impairment				513
Loans collectively evaluated for impairment				186,669
Loans Acquired with Deteriorated Credit Quality				11
Total, Loans				187,193
Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,109
Charge-offs	(3)	(179)	(179)
Recoveries	82	25	31
Provision	121
Ending balance	2,309		2,109
Allowance related to: Loans individually evaluated for impairment				127
Allowance related to: Loans collectively evaluated for impairment				2,178
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				4
Total, Allowance	2,109		2,109	2,309
Loans individually evaluated for impairment				9,586
Loans collectively evaluated for impairment				229,559
Loans Acquired with Deteriorated Credit Quality				695
Total, Loans				239,840
Non-Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	3,438
Charge-offs	(65)	(122)	(124)
Recoveries	92	13	17
Provision	1,709
Ending balance	5,174		3,438
Allowance related to: Loans individually evaluated for impairment				501
Allowance related to: Loans collectively evaluated for impairment				4,670
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				3
Total, Allowance	3,438		3,438	5,174
Loans individually evaluated for impairment				10,898
Loans collectively evaluated for impairment				451,799
Loans Acquired with Deteriorated Credit Quality				1,846
Total, Loans				464,543
Non-Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	2,174
Charge-offs	(200)	(119)	(169)
Recoveries	50	58	136
Provision	24
Ending balance	2,048		2,174
Allowance related to: Loans individually evaluated for impairment				217
Allowance related to: Loans collectively evaluated for impairment				1,829
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				2
Total, Allowance	2,174		2,174	2,048
Loans individually evaluated for impairment				5,928
Loans collectively evaluated for impairment				347,853
Loans Acquired with Deteriorated Credit Quality				1,861
Total, Loans				355,642
Jumbo [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	95
Charge-offs	(2)	0	0
Recoveries	0	6	6
Provision	(15)
Ending balance	78		95
Allowance related to: Loans individually evaluated for impairment				15
Allowance related to: Loans collectively evaluated for impairment				63
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	95		95	78
Loans individually evaluated for impairment				4,422
Loans collectively evaluated for impairment				55,826
Loans Acquired with Deteriorated Credit Quality				1,005
Total, Loans				61,253
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	413
Charge-offs	(95)	(117)	(175)
Recoveries	29	3	3
Provision	261
Ending balance	608		413
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				608
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	413		413	608
Loans individually evaluated for impairment				524
Loans collectively evaluated for impairment				82,196
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				82,720
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0
Charge-offs	0	0	0
Recoveries	0	0	0
Provision	0
Ending balance	0		0
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	0		0	0
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				33,525
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				33,525
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	121
Charge-offs	(147)	(61)	(98)
Recoveries	64	55	76
Provision	177
Ending balance	215		121
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				215
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	121		121	215
Loans individually evaluated for impairment				29
Loans collectively evaluated for impairment				36,886
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				36,915
Other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	103
Charge-offs	(179)	(128)	(185)
Recoveries	78	$ 59	75
Provision	150
Ending balance	152		103
Allowance related to: Loans individually evaluated for impairment				0
Allowance related to: Loans collectively evaluated for impairment				152
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses				0
Total, Allowance	$ 103		$ 103	152
Loans individually evaluated for impairment				0
Loans collectively evaluated for impairment				9,994
Loans Acquired with Deteriorated Credit Quality				0
Total, Loans				$ 9,994

Goodwill And Other Intangible69

Goodwill And Other Intangible Assets (Summary Of Goodwill Activity) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 10,990
Goodwill, Purchase Accounting Adjustments	31
Goodwill, Acquired During Period	4,252
Goodwill, ending balance	15,273
Community Banking [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	6,280
Goodwill, Purchase Accounting Adjustments	31
Goodwill, Acquired During Period	4,252
Goodwill, ending balance	10,563
Insurance Services [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	4,710
Goodwill, Purchase Accounting Adjustments	0
Goodwill, Acquired During Period	0
Goodwill, ending balance	$ 4,710

Goodwill And Other Intangible70

Goodwill And Other Intangible Assets (Summary Of Other Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	$ 15,528	$ 4,610
Identifiable intangible assets, Less: accumulated amortization	2,922	1,947
Identifiable intangible assets, Net carrying amount	12,606	2,663
Community Banking [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	12,528	1,610
Identifiable intangible assets, Less: accumulated amortization	872	47
Identifiable intangible assets, Net carrying amount	11,656	1,563
Insurance Services [Member]
Goodwill [Line Items]
Identifiable intangible assets, Gross carrying amount	3,000	3,000
Identifiable intangible assets, Less: accumulated amortization	2,050	1,900
Identifiable intangible assets, Net carrying amount	$ 950	$ 1,100

Goodwill And Other Intangible71

Goodwill And Other Intangible Assets (Narrative) (Details)	9 Months Ended
	Sep. 30, 2017USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Recorded amortization expense	$ 974,000

Goodwill And Other Intangible72

Goodwill And Other Intangible Assets Schedule of Amortization Expense (Details) $ in Thousands	Sep. 30, 2017USD ($)
Core Deposits [Member]
Schedule of Amortization of Intangibles [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 1,210
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,471
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,368
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,265
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,162
Customer-Related Intangible Assets [Member]
Schedule of Amortization of Intangibles [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	200
Finite-Lived Intangible Assets, Amortization Expense, Year Two	200
Finite-Lived Intangible Assets, Amortization Expense, Year Three	200
Finite-Lived Intangible Assets, Amortization Expense, Year Four	200
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 200

Deposits (Summary Of Interest B

Deposits (Summary Of Interest Bearing Deposits By Type) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016		Sep. 30, 2016
Deposits [Abstract]
Demand deposits, interest bearing	$ 397,843	$ 262,591		$ 212,172
Savings deposits	362,653	337,348		321,563
Time deposits	640,362	545,843		500,397
Total	$ 1,400,858	$ 1,145,782	[1]	$ 1,034,132
[1]	Derived from audited consolidated financial statements

Deposits (Summary Of Scheduled

Deposits (Summary Of Scheduled Maturities For All Time Deposits) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Deposits [Abstract]
Three month period ending December 31, 2017	$ 81,870
Year ending December 31, 2018	232,020
Year ending December 31, 2019	140,028
Year ending December 31, 2020	88,444
Year ending December 31, 2021	54,858
Thereafter	43,142
Total	$ 640,362	$ 545,843	$ 500,397

Deposits (Summary Of Maturity D

Deposits (Summary Of Maturity Distribution Of All Certificates Of Deposit) (Details) $ in Thousands	Sep. 30, 2017USD ($)
Deposits [Abstract]
Three months or less	$ 52,185
Three through six months	54,568
Six through twelve months	66,426
Over twelve months	265,855
Total	$ 439,034
Three months or less, percentage	11.90%
Three through six months, percentage	12.40%
Six through twelve months, percentage	15.10%
Over twelve months, percentage	60.60%
Total, percentage	100.00%

Deposits (Narrative) (Details)

Deposits (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Deposits [Abstract]
Time deposits acquired through a third party (brokered deposits)	$ 219,790	$ 205,710	$ 178,898

Borrowed Funds (Summary Of Shor

Borrowed Funds (Summary Of Short-Term Borrowings) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	[1]
Debt Instrument [Line Items]
Beginning Balance	$ 202,988	$ 234,657	$ 224,461
Short-term FHLB Advances [Member]
Debt Instrument [Line Items]
Beginning Balance	199,500	231,200
Average balance outstanding for the period	196,728	177,239
Maximum balance outstanding at any month end during period	$ 229,300	$ 231,200
Weighted average interest rate for the period	1.10%	0.59%
Weighted average interest rate for balances outstanding	1.32%	0.54%
Federal Funds Purchased and Lines of Credit [Member]
Debt Instrument [Line Items]
Beginning Balance	$ 3,488	$ 3,457
Average balance outstanding for the period	3,474	3,455
Maximum balance outstanding at any month end during period	$ 3,488	$ 3,457
Weighted average interest rate for the period	1.03%	0.50%
Weighted average interest rate for balances outstanding	1.25%	0.50%
[1]	Derived from audited consolidated financial statements

Borrowed Funds (Long-term Borro

Borrowed Funds (Long-term Borrowings) (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Debt Disclosure [Abstract]
Long-term borrowings	$ 46,670	$ 45,755	$ 74,146
Basis spread on variable rate	0.50%
Average interest rate paid on long-term borrowings		4.32%	4.43%

Borrowed Funds (Summary of Long

Borrowed Funds (Summary of Long-Term Borrowings) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Debt Disclosure [Abstract]
Long-term FHLB advances	$ 755	$ 767	$ 792
Long-term reverse repurchase agreements	45,000	45,000	72,000
Term loans	0	903	1,354
Total	$ 45,755	$ 46,670	$ 74,146

Borrowed Funds (Subordinated De

Borrowed Funds (Subordinated Debentures Owed to Unconsolidated Subsidiary Trusts) (Narrative) (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017USD ($)trust	Sep. 30, 2016USD ($)	Dec. 31, 2016USD ($)
Debt Instrument [Line Items]
Number of statutory business trusts | trust	3
Subordinated debentures owed to unconsolidated subsidiary trusts	$ 19,589	$ 19,589	$ 19,589	[1]
Net proceeds from issuance of common stock	$ (43)	$ 75
Basis spread on variable rate			0.50%
Trust preferred securities limited to tier one capital elements, net of goodwill	25.00%
[1]	Derived from audited consolidated financial statements

Borrowed Funds (Summary Of The

Borrowed Funds (Summary Of The Maturities Of All Long-Term Borrowings And Subordinated Debentures) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Total	$ 45,755	$ 46,670	$ 74,146
Long-term Debt [Member]
2,017	4
2,018	45,017
2,019	18
2,020	19
2,021	20
Thereafter	677
Total	45,755
Subordinated debentures owed to unconsolidated subsidiary trusts [Member]
2,017	0
2,018	0
2,019	0
2,020	0
2,021	0
Thereafter	19,589
Total	$ 19,589

Share Based Compensation Share

Share Based Compensation Share Based Compensation (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	May 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated Share-based Compensation Expense			$ 285,000	$ 150,000
Number of LTIP shares authorized	20,000,000		20,000,000	20,000,000	20,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0			0
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense			$ 105,000	$ 56,000
5 Year Vesting Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted		53,309
Vesting period		5 years
Percentage vested per year		20.00%
Expiration period		10 years
7 Year Vesting Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted		34,306
Vesting period		7 years
Percentage vested per year		14.29%
Expiration period		10 years
2014 Long-Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of LTIP shares authorized						500,000

Share Based Compensation Schedu

Share Based Compensation Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)	3 Months Ended
	Mar. 31, 2017
5 Year Vesting Stock Appreciation Rights [Member]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Line Items]
Risk-free interest rate	2.16%
Expected dividend yield	1.45%
Expected common stock volatility	60.05%
Expected life	6 years 6 months
7 Year Vesting Stock Appreciation Rights [Member]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Line Items]
Risk-free interest rate	2.24%
Expected dividend yield	1.45%
Expected common stock volatility	59.60%
Expected life	7 years

Share Based Compensation (Summa

Share Based Compensation (Summary Of Activity In Stock Option Plans) (Details) - $ / shares	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Options, Exercised	(2,000)
Employee Stock Option and Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Options, Beginning Balance	217,857	244,147
Outstanding Options, Granted	87,615	0
Outstanding Options, Exercised	(2,000)	0
Outstanding Options, Forfeited	0	0
Outstanding Options, Expired	0	0
Outstanding Options, Ending Balance	303,472	244,147
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, Weighted-Average Exercise Price, Beginning Balance	$ 13.56	$ 14.05
Outstanding, Weighted-Average Exercise Price, Granted	26.01	0
Outstanding, Weighted-Average Exercise Price, Exercised	6.21	0
Outstanding, Weighted-Average Exercise Price, Forfeited	0	0
Outstanding, Weighted-Average Exercise Price, Expired	0	0
Outstanding, Weighted-Average Exercise Price, Ending Balance	$ 17.20	$ 14.05

Share Based Compensation (Optio

Share Based Compensation (Options Outstanding And Exercisable) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0		0
2.54 to 6.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of exercise price, Lower		$ 2.54
Range of exercise price, Upper		6
6.01 to 10.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of exercise price, Lower		6.01
Range of exercise price, Upper		10
10.01 to 17.50 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of exercise price, Lower		10.01
Range of exercise price, Upper		17.50
17.51 to 20.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of exercise price, Lower		17.51
Range of exercise price, Upper		20
20.01 to 25.93 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of exercise price, Lower		20.01
Range of exercise price, Upper		$ 25.93
Employee Stock Option and Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	303,472	303,472
Options Outstanding, WAEP	$ 17.20	$ 17.20
Options Outstanding, Aggregate Intrinsic Value	$ 2,604	$ 2,604
Options Exercisable, number of awards	115,827	115,827
Options Exercisable, WAEP	$ 15.02	$ 15.02
Options Exercisable, Aggregate Intrinsic Value	$ 1,239	$ 1,239
Employee Stock Option and Stock Appreciation Rights (SARs) [Member] | 2.54 to 6.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	5,000	5,000
Options Outstanding, WAEP	$ 2.54	$ 2.54
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)		5 years 9 months 29 days
Options Outstanding, Aggregate Intrinsic Value	$ 116	$ 116
Options Exercisable, number of awards	5,000	5,000
Options Exercisable, WAEP	$ 2.54	$ 2.54
Options Exercisable, Aggregate Intrinsic Value	$ 116	$ 116
Employee Stock Option and Stock Appreciation Rights (SARs) [Member] | 6.01 to 10.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	5,640	5,640
Options Outstanding, WAEP	$ 8.91	$ 8.91
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)		1 year 3 months 15 days
Options Outstanding, Aggregate Intrinsic Value	$ 94	$ 94
Options Exercisable, number of awards	5,640	5,640
Options Exercisable, WAEP	$ 8.91	$ 8.91
Options Exercisable, Aggregate Intrinsic Value	$ 94	$ 94
Employee Stock Option and Stock Appreciation Rights (SARs) [Member] | 10.01 to 17.50 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	166,717	166,717
Options Outstanding, WAEP	$ 12.01	$ 12.01
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)		7 years 6 months 26 days
Options Outstanding, Aggregate Intrinsic Value	$ 2,275	$ 2,275
Options Exercisable, number of awards	66,687	66,687
Options Exercisable, WAEP	$ 12.01	$ 12.01
Options Exercisable, Aggregate Intrinsic Value	$ 910	$ 910
Employee Stock Option and Stock Appreciation Rights (SARs) [Member] | 17.51 to 20.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	15,100	15,100
Options Outstanding, WAEP	$ 17.81	$ 17.81
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)		9 months 11 days
Options Outstanding, Aggregate Intrinsic Value	$ 119	$ 119
Options Exercisable, number of awards	15,100	15,100
Options Exercisable, WAEP	$ 17.81	$ 17.81
Options Exercisable, Aggregate Intrinsic Value	$ 119	$ 119
Employee Stock Option and Stock Appreciation Rights (SARs) [Member] | 20.01 to 25.93 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, number of awards	111,015	111,015
Options Outstanding, WAEP	$ 25.99	$ 25.99
Options Outstanding, Wted. Avg. Remaining Contractual Life (yrs)		7 years 7 months 21 days
Options Outstanding, Aggregate Intrinsic Value	$ 0	$ 0
Options Exercisable, number of awards	23,400	23,400
Options Exercisable, WAEP	$ 25.93	$ 25.93
Options Exercisable, Aggregate Intrinsic Value	$ 0	$ 0

Commitments And Contingencies86

Commitments And Contingencies (Details) $ in Thousands	Sep. 30, 2017USD ($)
Loss Contingencies [Line Items]
Total unfunded commitments	$ 233,578
Revolving Home Equity And Credit Card Lines [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	68,616
Construction [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	56,715
Other Loans [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	104,778
Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	$ 3,469

Commitments And Contingencies C

Commitments And Contingencies Commitments And Contingencies (Narrative) (Details) $ in Thousands	Apr. 24, 2017USD ($)
Subsequent Event [Line Items]
Litigation Settlement, Amount	$ 9,900

Common Stock Issuances (Details

Common Stock Issuances (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Subsidiary or Equity Method Investee [Line Items]
Number of common shares issued	12,428,342	10,857,801	10,883,509
Gross proceeds associated with sale	$ (43)	$ 75

Regulatory Matters (Summary Of

Regulatory Matters (Summary Of Actual Capital Amounts And Ratios) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Summit [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
CET1 (to risk weighted assets), Actual Amount	$ 176,666	$ 146,494
CET1 (to risk weighted assets), Actual Ratio	10.80%	10.50%
CET1 (to risk weighted assets), Minimum Required Capital, Amount	$ 114,506	$ 97,663
CET1 (to risk weighted assets), Minimum Required Capital, Ratio	7.00%	7.00%
CET1 (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 106,327	$ 90,687
CET1 (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	6.50%	6.50%
Tier I Capital (to risk weighted assets), Actual Amount	$ 195,666	$ 164,357
Tier I Capital (to risk weighted assets), Actual Ratio	11.90%	11.80%
Tier I Capital (to risk weighted assets), Minimum Required Capital, Amount	$ 139,761	$ 118,393
Tier I Capital (to risk weighted assets), Minimum Required Capital, Ratio	8.50%	8.50%
Tier I Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 131,540	$ 111,428
Tier I Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	8.00%	8.00%
Total Capital (to risk weighted assets), Actual Amount	$ 208,130	$ 176,031
Total Capital (to risk weighted assets), Actual Ratio	12.70%	12.60%
Total Capital (to risk weighted assets), Minimum Required Capital, Amount	$ 172,076	$ 146,693
Total Capital (to risk weighted assets), Minimum Required Capital, Ratio	10.50%	10.50%
Total Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 163,882	$ 139,707
Total Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	10.00%	10.00%
Tier I Capital (to average assets), Actual Amount	$ 195,666	$ 164,357
Tier I Capital (to average assets), Actual Ratio	9.50%	9.40%
Tier I Capital (to average assets), Minimum Required Capital, Amount	$ 82,386	$ 69,939
Tier I Capital (to average assets), Minimum Required Capital, Ratio	4.00%	4.00%
Tier I Capital (to average assets), Minimum Required To Be Well Capitalized, Amount	$ 102,982	$ 87,424
Tier I Capital (to average assets), Minimum Required To Be Well Capitalized, Ratio	5.00%	5.00%
Summit Community [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
CET1 (to risk weighted assets), Actual Amount	$ 194,410	$ 165,747
CET1 (to risk weighted assets), Actual Ratio	11.80%	11.90%
CET1 (to risk weighted assets), Minimum Required Capital, Amount	$ 115,328	$ 97,498
CET1 (to risk weighted assets), Minimum Required Capital, Ratio	7.00%	7.00%
CET1 (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 107,090	$ 90,534
CET1 (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	6.50%	6.50%
Tier I Capital (to risk weighted assets), Actual Amount	$ 194,410	$ 165,747
Tier I Capital (to risk weighted assets), Actual Ratio	11.80%	11.90%
Tier I Capital (to risk weighted assets), Minimum Required Capital, Amount	$ 140,041	$ 118,391
Tier I Capital (to risk weighted assets), Minimum Required Capital, Ratio	8.50%	8.50%
Tier I Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 131,803	$ 111,427
Tier I Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	8.00%	8.00%
Total Capital (to risk weighted assets), Actual Amount	$ 206,874	$ 177,421
Total Capital (to risk weighted assets), Actual Ratio	12.60%	12.70%
Total Capital (to risk weighted assets), Minimum Required Capital, Amount	$ 172,395	$ 146,687
Total Capital (to risk weighted assets), Minimum Required Capital, Ratio	10.50%	10.50%
Total Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Amount	$ 164,186	$ 139,702
Total Capital (to risk weighted assets), Minimum Required To Be Well Capitalized, Ratio	10.00%	10.00%
Tier I Capital (to average assets), Actual Amount	$ 194,410	$ 165,747
Tier I Capital (to average assets), Actual Ratio	9.40%	9.50%
Tier I Capital (to average assets), Minimum Required Capital, Amount	$ 82,728	$ 69,788
Tier I Capital (to average assets), Minimum Required Capital, Ratio	4.00%	4.00%
Tier I Capital (to average assets), Minimum Required To Be Well Capitalized, Amount	$ 103,410	$ 87,235
Tier I Capital (to average assets), Minimum Required To Be Well Capitalized, Ratio	5.00%	5.00%

Segment Information (Narrative)

Segment Information (Narrative) (Details)	9 Months Ended
	Sep. 30, 2017segmentoffice
Segment Reporting Information [Line Items]
Number of business segments | segment	3
Insurance Services Segment [Member]
Segment Reporting Information [Line Items]
Number of insurance agency offices | office	2

Segment Information (Schedule O

Segment Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net interest income	$ 17,232	$ 12,037	$ 48,709	$ 35,550
Provision for loan losses	375	0	875	500
Net interest income after provision for loan losses	16,857	12,037	47,834	35,050
Other income	4,000	2,749	10,496	8,601
Other expenses	12,447	8,419	45,399	25,410
Income before income tax expense	8,410	6,367	12,931	18,241
Income tax expense (benefit)	2,480	2,086	3,339	5,655
Net income	5,930	4,281	9,592	12,586
Inter-segment revenue (expense)	0	0	0	0
Average assets	2,088,260	1,589,054	1,971,487	1,543,928
Capital Expenditures	1,497	766	5,672	1,199
Community Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	17,408	12,197	49,220	36,028
Provision for loan losses	375	0	875	500
Net interest income after provision for loan losses	17,033	12,197	48,345	35,528
Other income	2,408	1,622	6,280	5,240
Other expenses	10,844	7,249	41,351	21,735
Income before income tax expense	8,597	6,570	13,274	19,033
Income tax expense (benefit)	2,482	2,145	3,386	5,888
Net income	6,115	4,425	9,888	13,145
Inter-segment revenue (expense)	(451)	(361)	(1,353)	(1,081)
Average assets	2,110,832	1,609,343	1,994,042	1,565,099
Capital Expenditures	1,497	766	5,544	1,099
Trust and Wealth Management [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	589	126	1,284	358
Other expenses	546	100	1,219	335
Income before income tax expense	43	26	65	23
Income tax expense (benefit)	16	10	24	9
Net income	27	16	41	14
Inter-segment revenue (expense)	0	0	0	0
Average assets	0	0	0	0
Capital Expenditures	0	0	0	0
Insurance Services [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	1,003	1,001	2,932	3,003
Other expenses	814	902	2,495	2,771
Income before income tax expense	189	99	437	232
Income tax expense (benefit)	92	40	190	95
Net income	97	59	247	137
Inter-segment revenue (expense)	(40)	(28)	(120)	(85)
Average assets	6,288	6,005	6,197	5,951
Capital Expenditures	0	0	36	9
Parent [Member]
Segment Reporting Information [Line Items]
Net interest income	(176)	(160)	(511)	(478)
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	(176)	(160)	(511)	(478)
Other income	491	389	1,473	1,166
Other expenses	734	557	1,807	1,735
Income before income tax expense	(419)	(328)	(845)	(1,047)
Income tax expense (benefit)	(110)	(109)	(261)	(337)
Net income	(309)	(219)	(584)	(710)
Inter-segment revenue (expense)	491	389	1,473	1,166
Average assets	217,928	175,581	203,459	172,840
Capital Expenditures	0	0	92	91
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Net interest income after provision for loan losses	0	0	0	0
Other income	(491)	(389)	(1,473)	(1,166)
Other expenses	(491)	(389)	(1,473)	(1,166)
Income before income tax expense	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Net income	0	0	0	0
Inter-segment revenue (expense)	0	0	0	0
Average assets	(246,788)	(201,875)	(232,211)	(199,962)
Capital Expenditures	$ 0	$ 0	$ 0	$ 0

Derivative Financial Instrume92

Derivative Financial Instruments (Narrative) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)contract
Derivative [Line Items]
Number of forward-starting, pay-fixed/receive LIBOR interest rate swaps | contract	3
Forward Contract effective July 18 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 40,000
Notional Amount	$ 40,000
Derivative, swaption interest rate	2.98%
Derivative, term of contract	3 years
Forward Contract effective April 18 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 30,000
Notional Amount	$ 30,000
Derivative, swaption interest rate	2.89%
Derivative, term of contract	4 years 6 months
Forward Contract effective October 18 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 40,000
Notional Amount	$ 40,000
Derivative, swaption interest rate	2.841%
Derivative, term of contract	3 years
Fair Value Hedging [Member]
Derivative [Line Items]
Number of forward-starting, pay-fixed/receive LIBOR interest rate swaps | contract	2
Fair Value Hedging [Member] | Commercial Real Estate [Member] | Interest Rate Swap effective January 15 2015 [Member]
Derivative [Line Items]
Notional Amount	$ 9,950
Derivative, swaption interest rate	4.33%
Derivative, term of contract	10 years
Fair Value Hedging [Member] | Commercial Real Estate [Member] | Interest Rate Swap effective December 18 2015 [Member]
Derivative [Line Items]
Notional Amount	$ 11,300
Derivative, swaption interest rate	4.30%
Derivative, term of contract	10 years

Derivative Financial Instrume93

Derivative Financial Instruments (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Short-term Debt [Member] | Cash Flow Hedges [Member]
Derivative [Line Items]
Notional Amount	$ 110,000	$ 110,000
Derivative Fair Value, Asset	0	0
Derivative Fair Value, Liability	3,056	4,611
Net Ineffectiveness Hedge Gains/(Losses)	0	0
Commercial Real Estate [Member] | Fair Value Hedges [Member]
Derivative [Line Items]
Notional Amount	20,103	20,507
Derivative Fair Value, Asset	125	200
Derivative Fair Value, Liability	0	0
Net Ineffectiveness Hedge Gains/(Losses)	$ 0	$ 0

Employee Stock Ownership Plan E

Employee Stock Ownership Plan Employee Stock Ownership Plan (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Stock Issued During Period, Shares, Employee Stock Ownership Plan	29,920	25,862
Stock Issued During Period, Value, Employee Stock Ownership Plan	$ 681	$ 428
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	116,619	155,960	146,539

Employee Stock Ownership Plan95

Employee Stock Ownership Plan Employee Stock Ownership Plan (Details) - shares	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Employee Stock Ownership Plan [Abstract]
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	116,619	146,539	155,960

Acquisitions Acquisitions (Nar

Acquisitions Acquisitions (Narrative)(Details) - USD ($) $ / shares in Units, $ in Thousands	Apr. 01, 2017	Oct. 01, 2016	Jun. 01, 2016	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Goodwill				$ 15,273		$ 10,990
HIghland County Bankshares Inc and Subsidiary First and Citizens Bank [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets							$ 123,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities							$ 107,000
First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Acquisition, Combination Of Equity And Cash, Cash			35.00%
Business Acquisition, Combination Of Equity And Cash, Common Stock			65.00%
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Acquisition, Share Price			$ 22.50
Business Acquisition, Share Price, Number Of Shares	1,537,912		1.2433
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 406,154				$ 406,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	360,942				$ 361,000
Goodwill	4,250
Cash Consideration [Domain] | HIghland County Bankshares Inc and Subsidiary First and Citizens Bank [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred		$ 21,800
Cash Consideration [Domain] | First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	15,000
Stock Consideration [Domain] | First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 33,100
Core Deposits [Member] | First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years

Acquisitions Schedule of Consid

Acquisitions Schedule of Consideration Paid, Assets Acquired and Liabilities Assumed in Acquisition of FCB (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 15,273		$ 10,990
As Recorded By Summit [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 48,116
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	54,042
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities	101,317
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Securities Available for Sale	295
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Purchased Performing Loans	222,116
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Purchased Performing Loans	(2,693)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Purchased Credit Impaired Loans	3,627
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Purchased Credit Impaired Loans	(540)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets, Allowance For Loan Losses	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Allowance For Loan Losses	2,511
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	6,174
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Property, Plant, And Equipment	(4,222)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property Held-For-Sale	2,377
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Property Held-For-Sale	(2,219)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Goodwill	(5,183)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	10,916
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Intangibles	10,916
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	5,102
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Other Assets	652
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	405,671
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Assets	(483)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits	350,533
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Deposits	807
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	11,274
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Other Liabilities	58
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	361,807
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Liabilities	865
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	43,864
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value Adjustment, Assets (Liabilities), Net	(1,348)
Goodwill	4,252
First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	54,042
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities	101,022
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Purchased Performing Loans	224,809
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Purchased Credit Impaired Loans	4,167
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets, Allowance For Loan Losses	(2,511)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	10,396
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property Held-For-Sale	4,596
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill	5,183
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	4,450
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	406,154		$ 406,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits	349,726
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	11,216
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	360,942		$ 361,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	45,212
Goodwill	4,250
Cash Consideration [Domain] | As Recorded By Summit [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	14,989
Cash Consideration [Domain] | First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	15,000
Stock Consideration [Domain] | As Recorded By Summit [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	33,127
Stock Consideration [Domain] | First Century Bankshares, Inc [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 33,100

Acquisitions Summary of PCI Loa

Acquisitions Summary of PCI Loan Portfolio (Details) - First Century Bankshares, Inc [Member] $ in Thousands	Apr. 01, 2017USD ($)
Business Acquisition [Line Items]
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition	$ 4,885
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications to Nonaccretable Difference	(597)
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition	4,288
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield	(661)
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value	$ 3,627

Acquisitions Pro Forma Financia

Acquisitions Pro Forma Financial Information of Combined Entities (Details) - Highland County Bankshares Inc and First Century Bankshares Inc [Member] - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Business Acquisition [Line Items]
Total revenues, net of interest expense	$ 64,313	$ 61,457
Net income	$ 11,176	$ 15,017
Diluted earnings per share (in USD per share)	$ 0.95	$ 1.23

Acquisitions Financial Effects

Acquisitions Financial Effects of Purchase Accounting Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Business Acquisition [Line Items]
Interest and Fees on Loans	$ 224	$ 712
Interest Expense on Deposits	76	167
Amortization of Intangibles	(399)	(825)
Income Before Income Tax Expense	$ (99)	$ 54

Accumulated Other Comprehens101

Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2017	Dec. 31, 2016		Jun. 30, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	$ 389	$ (418)	$ 389	$ (418)	$ (307)	$ (3,262)	[1]	$ (121)	$ (456)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	712	(259)	3,688	565
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(16)	(38)	(37)	(527)
Other Comprehensive Income (Loss), Net of Tax	696	(297)	3,651	38
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	219		219		219	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0		219
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0
Other Comprehensive Income (Loss), Net of Tax	0		219
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	(1,925)	(4,527)	(1,925)	(4,527)	(2,238)	(2,905)		(5,135)	(3,195)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	313	608	980	(1,332)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), Net of Tax	313	608	980	(1,332)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss)	2,095	4,109	2,095	4,109	$ 1,712	$ (357)		$ 5,014	$ 2,739
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	399	(867)	2,489	1,897
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(16)	(38)	(37)	(527)
Other Comprehensive Income (Loss), Net of Tax	$ 383	$ (905)	$ 2,452	$ 1,370
[1]	Derived from audited consolidated financial statements

Income Taxes Income Taxes (Narr

Income Taxes Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ 2,480	$ 2,086	$ 3,339	$ 5,655
Effective Income Tax Rate Reconciliation, Percent	29.50%	32.80%	25.80%	31.00%

Income Taxes Income Taxes (Reco

Income Taxes Income Taxes (Reconciliation Statutory Income Tax Rates) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent	(5.10%)	(4.20%)	(8.80%)	(4.40%)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	1.80%	1.70%	1.80%	1.60%
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent	(2.20%)	0.30%	(2.20%)	(1.20%)
Effective Income Tax Rate Reconciliation, Percent	29.50%	32.80%	25.80%	31.00%

Income Taxes Income Taxes (Sche

Income Taxes Income Taxes (Schedule of Components of Applicable Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 2,436	$ 1,992	$ 3,315	$ 5,439
Current State and Local Tax Expense (Benefit)	251	171	388	451
Current Income Tax Expense (Benefit)	2,687	2,163	3,703	5,890
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	(190)	(76)	(333)	(234)
Deferred State and Local Income Tax Expense (Benefit)	(17)	(1)	(31)	(1)
Deferred Income Tax Expense (Benefit)	(207)	(77)	(364)	(235)
Income Tax Expense (Benefit)	$ 2,480	$ 2,086	$ 3,339	$ 5,655