Citizens & Northern (CZNC) 10-K 18 Feb 16 2015 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Feb. 12, 2016	Jun. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	CITIZENS & NORTHERN CORP
Trading Symbol	cznc
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		12,151,108
Entity Public Float			$ 244,570,133
Amendment Flag	false
Entity Central Index Key	810,958
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	FY

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Cash and due from banks:
Noninterest-bearing	$ 14,710,000	$ 14,812,000
Interest-bearing	21,351,000	21,235,000
Total cash and due from banks	36,061,000	36,047,000
Available-for-sale securities, at fair value	420,290,000	516,807,000
Loans held for sale	280,000	0
Loans receivable	704,880,000	630,545,000
Allowance for loan losses	(7,889,000)	(7,336,000)
Loans, net	696,991,000	623,209,000
Bank-owned life insurance	20,764,000	22,119,000
Accrued interest receivable	3,768,000	3,908,000
Bank premises and equipment, net	15,406,000	16,256,000
Foreclosed assets held for sale	1,260,000	1,189,000
Deferred tax asset, net	3,115,000	1,668,000
Intangible asset - Core deposit intangibles	30,000	52,000
Intangible asset - Goodwill	11,942,000	11,942,000
Other assets	13,510,000	8,766,000
TOTAL ASSETS	1,223,417,000	1,241,963,000
Deposits:
Noninterest-bearing	211,041,000	212,439,000
Interest-bearing	724,574,000	755,550,000
Total deposits	935,615,000	967,989,000
Short-term borrowings	53,496,000	5,537,000
Long-term borrowings	38,767,000	73,060,000
Accrued interest and other liabilities	8,052,000	7,015,000
TOTAL LIABILITIES	1,035,930,000	1,053,601,000
STOCKHOLDERS' EQUITY
Preferred stock, $1,000 par value; authorized 30,000 shares; $1,000 liquidation preference per share; no shares issued at December 31, 2015 and December 31, 2014	0	0
Common stock, par value $1.00 per share; authorized 20,000,000 shares in 2015 and 2014; issued 12,655,171 at December 31, 2015 and December 31, 2014; outstanding 12,180,623 at December 31, 2015 and 12,279,980 December 31, 2014	12,655,000	12,655,000
Paid-in capital	71,654,000	71,541,000
Retained earnings	109,454,000	105,550,000
Treasury stock, at cost; 474,548 shares at December 31, 2015 and 375,191 shares at December 31, 2014	(8,804,000)	(6,744,000)
Sub-total	184,959,000	183,002,000
Accumulated other comprehensive income:
Unrealized gain on available-for-sale securities	2,493,000	5,281,000
Defined benefit plans gain	35,000	79,000
Total accumulated other comprehensive income	2,528,000	5,360,000
TOTAL STOCKHOLDERS' EQUITY	187,487,000	188,362,000
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY	$ 1,223,417,000	$ 1,241,963,000

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Preferred stock, par value (in Dollars per share)	$ 1,000	$ 1,000
Preferred stock, authorized shares	30,000	30,000
Preferred stock, liquidation preference per share (in Dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares issued (in Dollars)	$ 0	$ 0
Common stock, par value (in Dollars per share)	$ 1	$ 1
Common stock, authorized shares	20,000,000	20,000,000
Common stock, issued shares	12,655,171	12,655,171
Common stock, outstanding shares	12,180,623	12,279,980
Treasury stock, shares	474,548	375,191

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest and fees on loans	$ 31,311,000	$ 32,127,000	$ 35,484,000
Interest on balances with depository institutions	93,000	125,000	105,000
Interest on loans to political subdivisions	1,668,000	1,403,000	1,381,000
Interest on mortgages held for sale	16,000	16,000	54,000
Income from available-for-sale securities:
Taxable	7,303,000	7,721,000	6,810,000
Tax-exempt	3,844,000	4,310,000	4,785,000
Dividends	284,000	307,000	295,000
Total interest and dividend income	44,519,000	46,009,000	48,914,000
INTEREST EXPENSE
Interest on deposits	1,924,000	2,163,000	2,703,000
Interest on short-term borrowings	32,000	9,000	9,000
Interest on long-term borrowings	2,646,000	2,950,000	3,053,000
Total interest expense	4,602,000	5,122,000	5,765,000
Net interest income	39,917,000	40,887,000	43,149,000
Provision for loan losses	845,000	476,000	2,047,000
Net interest income after provision for loan losses	39,072,000	40,411,000	41,102,000
OTHER INCOME
Service charges on deposit accounts	4,864,000	5,025,000	5,246,000
Service charges and fees	494,000	538,000	597,000
Trust and financial management revenue	4,626,000	4,490,000	4,087,000
Brokerage revenue	839,000	901,000	784,000
Insurance commissions, fees and premiums	109,000	118,000	170,000
Interchange revenue from debit card transactions	1,935,000	1,959,000	1,941,000
Net gains from sale of loans	735,000	768,000	1,969,000
(Decrease) increase in fair value of servicing rights	(162,000)	(27,000)	67,000
Increase in cash surrender value of life insurance	386,000	376,000	399,000
Net (loss) gain from premises and equipment	(1,000)	8,000	(16,000)
Other operating income	1,579,000	1,264,000	1,207,000
Sub-total	15,404,000	15,420,000	16,451,000
Total other-than-temporary impairment losses on available-for-sale securities	0	0	(25,000)
Portion of (gain) recognized in other comprehensive loss (before taxes)	0	0	0
Net impairment losses recognized in earnings	0	0	(25,000)
Realized gains on available-for-sale securities, net	2,861,000	1,104,000	1,743,000
Total other income	18,265,000	16,524,000	18,169,000
OTHER EXPENSES
Salaries and wages	14,682,000	15,121,000	14,206,000
Pensions and other employee benefits	4,420,000	4,769,000	4,150,000
Occupancy expense, net	2,574,000	2,628,000	2,473,000
Furniture and equipment expense	1,860,000	1,859,000	1,948,000
FDIC Assessments	603,000	600,000	604,000
Pennsylvania shares tax	1,174,000	1,350,000	1,402,000
Professional fees	538,000	699,000	1,534,000
Automated teller machine and interchange expense	988,000	924,000	1,020,000
Software subscriptions	876,000	784,000	836,000
Loss on prepayment of debt	2,573,000	0	1,023,000
Other operating expense	5,241,000	5,423,000	5,298,000
Total other expenses	35,529,000	34,157,000	34,494,000
Income before income tax provision	21,808,000	22,778,000	24,777,000
Income tax provision	5,337,000	5,692,000	6,183,000
NET INCOME	$ 16,471,000	$ 17,086,000	$ 18,594,000
NET INCOME PER SHARE - BASIC (in Dollars per share)	$ 1.35	$ 1.38	$ 1.51
NET INCOME PER SHARE - DILUTED (in Dollars per share)	$ 1.35	$ 1.38	$ 1.50

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 16,471,000	$ 17,086,000	$ 18,594,000
Unrealized (losses) gains on available-for-sale securities:
Unrealized holding (losses) gains on available-for-sale securities	(1,429,000)	10,774,000	(17,623,000)
Reclassification adjustment for gains realized in income	(2,861,000)	(1,104,000)	(1,718,000)
Other comprehensive (loss) gain on available-for-sale securities	(4,290,000)	9,670,000	(19,341,000)
Unfunded pension and postretirement obligations:
Changes from plan amendments and actuarial gains and losses included in accumulated other comprehensive (loss) gain	(135,000)	(79,000)	885,000
Amortization of net transition obligation, prior service cost, net actuarial loss and loss on settlement included in net periodic benefit cost	67,000	184,000	2,000
Other comprehensive (loss) gain on unfunded retirement obligations	(68,000)	105,000	887,000
Other comprehensive (loss) income before income tax	(4,358,000)	9,775,000	(18,454,000)
Income tax related to other comprehensive loss (income)	1,526,000	(3,422,000)	6,458,000
Net other comprehensive (loss) income	(2,832,000)	6,353,000	(11,996,000)
Comprehensive income	$ 13,639,000	$ 23,439,000	$ 6,598,000

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance, January 1, 2013 at Dec. 31, 2012	$ 12,525,000	$ (4,203,000)	$ 68,622,000	$ 94,839,000	$ 11,003,000	$ 182,786,000
Balance, January 1, 2013 (in Shares) at Dec. 31, 2012	12,525,411	251,376
Balance at Dec. 31, 2013	$ 12,596,000	$ (3,452,000)	70,105,000	101,216,000	(993,000)	179,472,000
Balance (in Shares) at Dec. 31, 2013	12,596,540	206,477
Net income				18,594,000		18,594,000
Other comprehensive income (loss), net					(11,996,000)	(11,996,000)
Cash dividends declared on common stock				(12,343,000)		(12,343,000)
Shares issued for dividend reinvestment plan	$ 71,000		1,356,000			1,427,000
Shares issued for dividend reinvestment plan (in Shares)	71,129
Shares issued from treasury related to exercise of stock options		$ 179,000	5,000			184,000
Shares issued from treasury related to exercise of stock options (in Shares)		(10,656)
Restricted stock granted		$ 633,000	(633,000)			0
Restricted stock granted (in Shares)		(37,886)
Forfeiture of restricted stock		$ (61,000)	61,000			0
Forfeiture of restricted stock (in Shares)		3,643
Stock-based compensation expense			696,000			696,000
Tax effect of stock option exercises			(2,000)			(2,000)
Tax benefit from employee benefit plan				126,000		126,000
Balance at Dec. 31, 2014	$ 12,655,000	$ (6,744,000)	71,541,000	105,550,000	5,360,000	188,362,000
Balance (in Shares) at Dec. 31, 2014	12,655,171	375,191
Net income				17,086,000		17,086,000
Other comprehensive income (loss), net					6,353,000	6,353,000
Cash dividends declared on common stock				(12,889,000)		(12,889,000)
Shares issued for dividend reinvestment plan	$ 60,000	$ 368,000	1,069,000			1,497,000
Shares issued for dividend reinvestment plan (in Shares)	59,498	(18,473)
Treasury stock purchased		$ (4,002,000)				(4,002,000)
Treasury stock purchased (in Shares)		208,300
Shares issued from treasury related to exercise of stock options	$ (1,000)	$ 188,000	(64,000)			123,000
Shares issued from treasury related to exercise of stock options (in Shares)	(867)	(11,860)
Restricted stock granted		$ 279,000	(279,000)			0
Restricted stock granted (in Shares)		(16,711)
Forfeiture of restricted stock		$ (125,000)	125,000			0
Forfeiture of restricted stock (in Shares)		7,458
Stock-based compensation expense			565,000			565,000
Tax benefit from dividends on restricted stock			(1,000)			(1,000)
Tax effect of stock option exercises			21,000			21,000
Tax benefit from employee benefit plan				137,000		137,000
Balance at Dec. 31, 2015	$ 12,655,000	$ (8,804,000)	71,654,000	109,454,000	2,528,000	187,487,000
Balance (in Shares) at Dec. 31, 2015	12,655,171	474,548
Net income				16,471,000		16,471,000
Other comprehensive income (loss), net					$ (2,832,000)	(2,832,000)
Cash dividends declared on common stock				(12,710,000)		(12,710,000)
Shares issued for dividend reinvestment plan		$ 1,379,000	86,000			1,465,000
Shares issued for dividend reinvestment plan (in Shares)		(73,810)
Treasury stock purchased		$ (4,415,000)				(4,415,000)
Treasury stock purchased (in Shares)		226,900
Shares issued from treasury related to exercise of stock options		$ 408,000	(27,000)			381,000
Shares issued from treasury related to exercise of stock options (in Shares)		(22,435)
Restricted stock granted		$ 627,000	(627,000)			0
Restricted stock granted (in Shares)		(34,800)
Forfeiture of restricted stock		$ (59,000)	59,000			0
Forfeiture of restricted stock (in Shares)		3,502
Stock-based compensation expense			606,000			606,000
Tax benefit from dividends on restricted stock			22,000			22,000
Tax effect of stock option exercises			$ (6,000)			(6,000)
Tax benefit from employee benefit plan				$ 143,000		$ 143,000

Consolidated Statements of Cha7

Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Common stock, dividends, per share	$ 1.04	$ 1.04	$ 1

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 16,471,000	$ 17,086,000	$ 18,594,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	845,000	476,000	2,047,000
Realized gains on available-for-sale securities, net	(2,861,000)	(1,104,000)	(1,718,000)
Loss on prepayment of debt	2,573,000	0	1,023,000
Realized (gain) loss on foreclosed assets	(84,000)	(136,000)	71,000
Loss (gain) on disposition of premises and equipment	1,000	(8,000)	16,000
Depreciation expense	1,888,000	1,940,000	2,020,000
Accretion and amortization on securities, net	1,562,000	1,375,000	1,836,000
Accretion and amortization on loans and deposits, net	(21,000)	(27,000)	(32,000)
Decrease (increase) in fair value of servicing rights	162,000	27,000	(67,000)
Increase in cash surrender value of life insurance	(386,000)	(376,000)	(399,000)
Gain on life insurance benefits	(212,000)	0	0
Stock-based compensation	606,000	565,000	696,000
Amortization of core deposit intangibles	22,000	35,000	51,000
Deferred income taxes	79,000	1,254,000	1,839,000
Gains on sales of loans, net	(735,000)	(768,000)	(1,969,000)
Origination of loans for sale	(21,823,000)	(21,680,000)	(58,427,000)
Proceeds from sales of loans	22,101,000	22,317,000	62,436,000
(Increase) decrease in accrued interest receivable and other assets	(1,697,000)	1,395,000	3,234,000
Increase (decrease) in accrued interest payable and other liabilities	1,195,000	(90,000)	(679,000)
Net Cash Provided by Operating Activities	19,686,000	22,281,000	30,572,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of certificates of deposit	1,780,000	2,560,000	480,000
Purchase of certificates of deposit	(100,000)	(960,000)	(1,688,000)
Proceeds from sales of available-for-sale securities	44,504,000	56,269,000	25,500,000
Proceeds from calls and maturities of available-for-sale securities	89,159,000	78,101,000	97,123,000
Purchase of available-for-sale securities	(40,363,000)	(158,894,000)	(152,163,000)
Redemption of Federal Home Loan Bank of Pittsburgh stock	5,029,000	2,804,000	2,680,000
Purchase of Federal Home Loan Bank of Pittsburgh stock	(8,102,000)	(602,000)	(1,624,000)
Net (increase) decrease in loans	(77,129,000)	10,317,000	39,059,000
Proceeds from bank-owned life insurance	1,953,000	0	0
Purchase of premises and equipment	(1,039,000)	(801,000)	(801,000)
Proceeds from disposition of premises and equipment	0	43,000	42,000
Purchase of investment in limited liability company	0	0	(147,000)
Return of principal on limited liability entity investments	181,000	173,000	164,000
Proceeds from sale of foreclosed assets	2,536,000	1,504,000	255,000
Net Cash Provided by (Used in) Investing Activities	18,409,000	(9,486,000)	8,880,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (decrease) increase in deposits	(32,374,000)	13,473,000	(51,590,000)
Net increase (decrease) in short-term borrowings	47,959,000	(17,848,000)	17,818,000
Repayments of long-term borrowings	(36,866,000)	(278,000)	(11,497,000)
Purchase of treasury stock	(4,415,000)	(4,002,000)	0
Sale of treasury stock	381,000	123,000	184,000
Tax benefit from compensation plans	159,000	157,000	124,000
Common dividends paid	(11,245,000)	(11,392,000)	(10,916,000)
Net Cash Used in Financing Activities	(36,401,000)	(19,767,000)	(55,877,000)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,694,000	(6,972,000)	(16,425,000)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	31,619,000	38,591,000	55,016,000
CASH AND CASH EQUIVALENTS, END OF YEAR	33,313,000	31,619,000	38,591,000
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Assets acquired through foreclosure of real estate loans	2,523,000	1,665,000	339,000
Accrued purchase of available-for-sale securities	0	226,000	0
Interest paid	4,636,000	5,138,000	5,782,000
Income taxes paid	$ 4,827,000	$ 4,432,000	$ 4,213,000

Note 1 - Nature of Operations a

Note 1 - Nature of Operations and Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]	1 NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES BASIS OF CONSOLIDATION - NATURE OF OPERATIONS - The Corporation provides Trust and Financial Management services, including administration of trusts and estates, retirement plans, and other employee benefit plans, and investment management services. The Corporation offers a variety of personal and commercial insurance products through C&N Financial Services Corporation. C&N Financial Services Corporation also offers mutual funds, annuities, educational savings accounts and other investment products through registered agents. Management has determined that the Corporation has one reportable segment, “Community Banking.” All of the Corporation’s activities are interrelated, and each activity is dependent and assessed based on how each of the activities of the Corporation supports the others. The Corporation is subject to competition from other financial institutions. It is also subject to regulation by certain federal and state agencies and undergoes periodic examination by those regulatory authorities. As a consequence, the Corporation’s business is particularly susceptible to being affected by future federal and state legislation and regulations. USE OF ESTIMATES - Material estimates that are particularly susceptible to change include: (1) the allowance for loan losses, (2) fair values of debt securities based on estimates from independent valuation services or from brokers, (3) assessment of impaired securities to determine whether or not the securities are other-than-temporarily impaired, (4) valuation of deferred tax assets and (5) valuation of obligations from defined benefit plans. INVESTMENT SECURITIES - Available-for-sale securities - Other-than-temporary impairment Restricted equity securities LOANS HELD FOR SALE LOANS RECEIVABLE - The loans receivable portfolio is segmented into residential mortgage, commercial and consumer loans. The residential mortgage segment includes the following classes: first and junior lien residential mortgages, home equity lines of credit and residential construction loans. The most significant classes of commercial loans are commercial loans secured by real estate, non-real estate secured commercial and industrial loans, loans to political subdivisions, commercial construction, and loans secured by farmland. Loans are placed on nonaccrual status for all classes of loans when, in the opinion of management, collection of interest is doubtful. Any unpaid interest previously accrued on those loans is reversed from income. Interest income is not recognized on specific impaired loans unless the likelihood of further loss is remote. Interest payments received on loans for which the risk of further loss is greater than remote are applied as a reduction of the loan principal balance. Interest income on other nonaccrual loans is recognized only to the extent of interest payments received. Generally, loans are restored to accrual status when the obligation is brought current, has performed in accordance with the contractual terms for a reasonable period of time (generally six months) and the ultimate collectability of the total contractual principal and interest is no longer in doubt. The past due status of all classes of loans receivable is determined based on contractual due dates for loan payments. Also, the amortization of deferred loan fees is discontinued when a loan is placed on nonaccrual status. ALLOWANCE FOR LOAN LOSSES The allowance for loan losses is maintained at a level considered adequate to provide for losses that can be reasonably anticipated. Management performs a quarterly evaluation of the adequacy of the allowance. The allowance is based on the Corporation’s past loan loss experience, known and inherent risks in the portfolio, adverse situations that may affect the borrower’s ability to repay, the estimated value of any underlying collateral, composition of the loan portfolio, current economic conditions and other relevant factors. This evaluation is inherently subjective as it requires material estimates that may be susceptible to significant revision as more information becomes available. In addition, various regulatory agencies, as an integral part of their examination process, periodically review the Corporation’s allowance for loan losses. Such agencies may require the Corporation to recognize adjustments to the allowance based on their judgments of information available to them at the time of their examination. In the process of evaluating the loan portfolio, management also considers the Corporation’s exposure to losses from unfunded loan commitments. As of December 31, 2015 and 2014, management determined that no allowance for credit losses related to unfunded loan commitments was required. The allowance consists primarily of two major components – (1) a specific component based on a detailed assessment of certain larger loan relationships, mainly commercial purpose, determined on a loan-by-loan basis; and (2) a general component for the remainder of the portfolio based on a collective evaluation of pools of loans with similar risk characteristics. The general component is assigned to each pool of loans based on both historical net charge-off experience, and an evaluation of certain qualitative factors. An unallocated component is maintained to cover uncertainties that could affect management’s estimate of probable losses. The unallocated component of the allowance reflects the margin of imprecision inherent in the underlying assumptions used in the above methodologies for estimating specific and general losses in the portfolio. The specific component relates to loans that are classified as impaired based on a detailed assessment of certain larger loan relationships evaluated by a management committee referred to as the Watch List Committee. Specific loan relationships are identified for evaluation based on the related credit risk rating. For individual loans classified as impaired, an allowance is established when the collateral value less estimated selling costs, present value of discounted cash flows or observable market price of the impaired loan is lower than the carrying value of that loan. The general component covers pools of loans by loan class including commercial loans not considered individually impaired, as well as smaller balance homogeneous classes of loans, such as residential real estate, home equity lines of credit and other consumer loans. Accordingly, the Corporation generally does not separately identify individual consumer and residential loans for impairment disclosures, unless such loans are subject to a restructuring agreement. The pools of loans for each loan segment are evaluated for loss exposure based upon average historical net charge-off rates (currently thirty-six months), adjusted for qualitative factors. Qualitative risk factors (described in the following paragraph) are evaluated for the impact on each of the three distinct segments (residential mortgage, commercial and consumer) within the loan portfolio. Each qualitative factor is assigned a value to reflect improving, stable or declining conditions based on management’s judgment using relevant information available at the time of the evaluation. Any adjustments to the factors are supported by a narrative documentation of changes in conditions accompanying the allowance for loan loss calculation. The qualitative factors used in the general component calculations are designed to address credit risk characteristics associated with each segment. The Corporation’s credit risk associated with all of the segments is significantly impacted by these factors, which include economic conditions within its market area, the Corporation’s lending policies, changes or trends in the portfolio, risk profile, competition, regulatory requirements and other factors. Further, the residential mortgage segment is significantly affected by the values of residential real estate that provide collateral for the loans. The majority of the Corporation’s commercial segment loans (approximately 57% at December 31, 2015) are secured by real estate, and accordingly, the Corporation’s risk for the commercial segment is significantly affected by commercial real estate values. The consumer segment includes a wide mix of loans for different purposes, primarily secured loans, including loans secured by motor vehicles, manufactured housing and other types of collateral. Loans are classified as impaired when, based on current information and events, it is probable that the Corporation will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record and the amount of shortfall in relation to the principal and interest owed. Impairment is measured on a loan-by-loan basis for commercial loans by the fair value of the collateral (if the loan is collateral dependent), by future cash flows discounted at the loan’s effective rate or by the loan’s observable market price. For commercial loans secured by real estate, estimated fair values are determined primarily through third-party appraisals. When a real estate secured loan becomes impaired, a decision is made regarding whether an updated certified appraisal of the real estate is necessary. This decision is based on various considerations, including the age of the most recent appraisal, the loan-to-value ratio based on the original appraisal and the condition of the property. Appraised values are discounted to arrive at the estimated selling price of the collateral, which is considered to be the estimated fair value. The discounts also include estimated costs to sell the property. For commercial and industrial loans secured by non-real estate collateral, such as accounts receivable, inventory and equipment, estimated fair values are determined based on the borrower’s financial statements, inventory reports, accounts receivable agings or equipment appraisals or invoices. Indications of value from these sources are generally discounted based on the age of the financial information or the quality of the assets. Loans whose terms are modified are classified as troubled debt restructurings if the Corporation grants such borrowers concessions and it is deemed that those borrowers are experiencing financial difficulty. Concessions granted under a troubled debt restructuring generally involve reductions in required payments, an extension of a loan’s stated maturity date or a temporary reduction in interest rate. Non-accrual troubled debt restructurings may be restored to accrual status if principal and interest payments, under the modified terms, are current for six consecutive months after modification. Loans classified as troubled debt restructurings are designated as impaired. BANK PREMISES AND EQUIPMENT IMPAIRMENT OF LONG-LIVED ASSETS INTEREST COSTS FORECLOSED ASSETS HELD FOR SALE GOODWILL AND CORE DEPOSIT INTANGIBLE ASSETS - Goodwill represents the excess of the cost of acquisitions over the fair value of the net assets acquired. Goodwill is tested at least annually for impairment, or more often if events or circumstances indicate there may be impairment. Core deposit intangibles are being amortized over periods of time that represent the expected lives using a method of amortization that reflects the pattern of economic benefit. Core deposit intangibles are subject to impairment testing whenever events or changes in circumstances indicate their carrying amounts may not be recoverable . SERVICING RIGHTS INCOME TAXES Tax benefits from investments in limited partnerships that have qualified for federal low-income tax credits are recognized as a reduction in the provision for income tax over the term of the investment using the effective yield method. The Corporation includes income tax penalties in the provision for income tax. The Corporation has no accrued interest related to unrecognized tax benefits. STOCK COMPENSATION PLANS The fair value of each stock option is estimated on the date of grant using the Black-Scholes-Merton option valuation model. The fair value of restricted stock is based on the current market price on the date of grant. OFF-BALANCE SHEET FINANCIAL INSTRUMENTS - CASH FLOWS TRUST ASSETS AND INCOME

Note 2 - Recent Accounting Pron

Note 2 - Recent Accounting Pronouncements	12 Months Ended
	Dec. 31, 2015
Accounting Changes and Error Corrections [Abstract]
Accounting Changes and Error Corrections [Text Block]	2. RECENT ACCOUNTING PRONOUNCEMENTS: The FASB issues Accounting Standards Updates (ASUs) to the FASB Accounting Standards Codification (ASC). This section provides a summary description of recent ASUs that have significant implications (elected or required) within the consolidated financial statements, or that management expects may have a significant impact on financial statements issued in the near future. In January 2014, the FASB issued ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects. This Update provides guidance on accounting for investments in flow-through limited liability entities that qualify for the federal low-income housing tax credit. Prior to ASU 2014-01, under U.S. GAAP, a reporting entity that invests in a qualified affordable housing project could elect to account for that investment using the effective yield method if certain conditions are met, or alternatively, the investment would be accounted for under either the equity method or the cost method. Generally, investors in qualified affordable housing project investments expect to receive all of their return through the receipt of tax credits and tax deductions from operating losses, and use of the effective yield method results in recognition of the return as a reduction of income tax expense over the period of the investment. The amendments in this Update modify the conditions that a reporting entity must meet to be eligible to use a method other than the equity or cost methods to account for investments in qualified affordable housing projects. Additionally, the amendments introduce new recurring disclosure requirements about investments in qualified affordable housing projects. The amendments in this Update became effective for the Corporation for annual and interim periods beginning in the first quarter 2015, and are to be applied retrospectively. Information concerning the Corporation’s investments in qualified affordable housing projects is provided in Note 14 to these consolidated financial statements. In January 2014, the FASB issued ASU 2014-04, Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. The objective of the amendments in this Update is to reduce diversity among reporting entities by clarifying when an in substance foreclosure occurs. The amendments in this Update clarify that an in substance foreclosure occurs, and a creditor is considered to have received physical possession of residential real property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to the requirements of the applicable jurisdiction. An entity can elect to adopt the amendments in this Update using either a modified retrospective transition method or a prospective transition method. Under the modified retrospective transition method, an entity would record a cumulative-effect adjustment to residential consumer mortgage loans and foreclosed residential real estate properties existing as of the beginning of the annual period for which the amendments are effective. For prospective transition, an entity would apply the amendments to all instances of an entity receiving physical possession of residential real estate property collateralizing consumer mortgage loans that occur after the date of adoption. Early adoption is permitted. The amendments in this Update became effective for the Corporation for annual and interim periods beginning in the first quarter 2015. The Corporation has applied the amendments to its accounting and reporting practices prospectively in the first quarter 2015. Disclosures required by this Update are provided in Note 8 to these consolidated financial statements. In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers, which provides a principles-based framework for revenue recognition that supersedes virtually all previously issued revenue recognition guidance under U.S. GAAP. Additionally, the ASU requires improved disclosures to help users of financial statements better understand the nature, amount, timing, and uncertainty of revenue that is recognized. The core principle of the five-step revenue recognition framework is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In August 2015 the FASB issued ASU 2015-14, which deferred the effective date of the revenue recognition standard by a year, making it applicable for the Corporation in the first quarter 2018 and for the annual period ending December 31, 2018. The amendments should be applied either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying the amendments recognized at the date of initial application. The Corporation is in the process of evaluating the potential impact of adopting the amendments, including determining which transition method to apply. In June 2014, the FASB issued ASU 2014-11, Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures. In addition to various other amendments that will affect accounting and disclosures for transactions in which the Corporation has not engaged to date, this Update requires expanded disclosures for repurchase agreements that are accounted for as secured borrowings, including: (1) a disaggregation of the gross obligation by the class of collateral pledged, (2) the remaining contractual tenor of the agreements and (3) a discussion of the potential risks associated with the agreements and the related collateral pledged, including obligations arising from a decline in the fair value of the collateral pledged and how those risks are managed. The expanded disclosure requirements associated with repurchase agreements are effective for the Corporation for annual and interim periods beginning in the second quarter 2015. Information concerning the Corporation’s repurchase agreements is provided in Note 12 to these consolidated financial statements. In August 2014, the FASB issued ASU 2014-14, Receivables – Troubled Debt Restructuring by Creditors, which requires that a mortgage loan be derecognized and that a separate other receivable be recognized upon foreclosure if the following conditions are met: (1) the loan has a government guarantee that is not separable from the loan before foreclosure, (2) at the time of foreclosure, the creditor has the intent to convey the real estate property to the guarantor and make a claim on the guarantee, and the creditor has the ability to recover under the claim and (3) at the time of foreclosure, any amount of the claim that is determined on the basis of the fair value of the real estate is fixed. The amendments in this Update became effective for the Corporation for annual and interim periods beginning in the first quarter 2015, and the impact of the amendment was not significant to the Corporation. In January 2016, the FASB issued ASU 2016-01, Recognition and Measurement of Financial Assets and Liabilities. This makes significant changes in U.S. GAAP related to certain aspects of recognition, measurement, presentation and disclosure of financial instruments. The changes provided for in this Update that are applicable to the Corporation are as follows: (1) require equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income; however, an entity may choose to measure equity investments that do not have readily determinable fair values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer; (2) for equity investments without readily determinable fair values, require a qualitative assessment to identify impairment, and if a qualitative assessment indicates that impairment exists, requiring an entity to measure the investment at fair value; (3) eliminate the requirement for public business entities to disclose the method(s) 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; (4) require public business entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes; (5) require 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 (at December 31, 2015 and 2014, the Corporation has no liabilities for which the fair value measurement option has been elected); (6) require separate presentation of financial assets and financial liabilities by measurement category and form of financial asset (that is, securities or loans and receivables) on the balance sheet or the accompanying notes to the financial statements; and (7) clarify that an entity should evaluate the need for a valuation allowance on a deferred tax asset related to available-for-sale securities in combination with the entity’s other deferred tax assets. The amendments in this Update will become effective for the Corporation for annual and interim periods beginning in the first quarter 2018. With limited exceptions, early adoption of the amendments in this Update is not permitted. Amendments are to be applied by means of a cumulative-effect adjustment to the balance sheet as of the beginning of the fiscal year of adoption. The amendments related to equity securities without readily determinable fair values should be applied prospectively.

Note 3 - Comprehensive Income

Note 3 - Comprehensive Income	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Comprehensive Income (Loss) Note [Text Block]	3. COMPREHENSIVE INCOME Comprehensive income is the total of (1) net income, and (2) all other changes in equity from non-stockholder sources, which are referred to as other comprehensive (loss) income. The components of other comprehensive (loss) income, and the related tax effects, are as follows: (In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2015 Unrealized losses on available-for-sale securities: Unrealized holding losses on available-for-sale securities $ (1,429 ) $ 500 $ (929 ) Reclassification adjustment for (gains) realized in income (2,861 ) 1,002 (1,859 ) Other comprehensive loss on available-for-sale securities (4,290 ) 1,502 (2,788 ) Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income (135 ) 47 (88 ) Amortization of net transition obligation, prior service cost, net actuarial loss and loss on settlement included in net periodic benefit cost 67 (23 ) 44 Other comprehensive loss on unfunded retirement obligations (68 ) 24 (44 ) Total other comprehensive loss $ (4,358 ) $ 1,526 $ (2,832 ) (In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2014 Unrealized gains on available-for-sale securities: Unrealized holding gains on available-for-sale securities $ 10,774 $ (3,771 ) $ 7,003 Reclassification adjustment for (gains) realized in income (1,104 ) 386 (718 ) Other comprehensive income on available-for-sale securities 9,670 (3,385 ) 6,285 Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income (79 ) 28 (51 ) Amortization of net transition obligation, prior service cost, net actuarial loss and loss on settlement included in net periodic benefit cost 184 (65 ) 119 Other comprehensive income on unfunded retirement obligations 105 (37 ) 68 Total other comprehensive income $ 9,775 $ (3,422 ) $ 6,353 (In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2013 Unrealized (losses) on available-for-sale securities: Unrealized holding losses on available-for-sale securities $ (17,623 ) $ 6,168 $ (11,455 ) Reclassification adjustment for (gains) realized in income (1,718 ) 601 (1,117 ) Other comprehensive loss on available-for-sale securities (19,341 ) 6,769 (12,572 ) Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income 885 (310 ) 575 Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost 2 (1 ) 1 Other comprehensive income on unfunded retirement obligations 887 (311 ) 576 Total other comprehensive loss $ (18,454 ) $ 6,458 $ (11,996 ) Changes in the components of accumulated other comprehensive income, included in stockholders’ equity, are as follows: (In Thousands) Unrealized Unfunded Accumulated Holding Gains Pension and Other (Losses) Postretirement Comprehensive on Securities Obligations Income 2015 Balance, beginning of period $ 5,281 $ 79 $ 5,360 Other comprehensive loss before reclassifications (929 ) (88 ) (1,017 ) Amounts reclassified from accumulated other comprehensive income (1,859 ) 44 (1,815 ) Other comprehensive loss (2,788 ) (44 ) (2,832 ) Balance, end of period $ 2,493 $ 35 $ 2,528 2014 Balance, beginning of period $ (1,004 ) $ 11 $ (993 ) Other comprehensive income before reclassifications 7,003 (51 ) 6,952 Amounts reclassified from accumulated other comprehensive income (718 ) 119 (599 ) Other comprehensive income 6,285 68 6,353 Balance, end of period $ 5,281 $ 79 $ 5,360 2013 Balance, beginning of period $ 11,568 $ (565 ) $ 11,003 Other comprehensive (loss) income before reclassifications (11,455 ) 575 (10,880 ) Amounts reclassified from accumulated other comprehensive loss (1,117 ) 1 (1,116 ) Other comprehensive (loss) income (12,572 ) 576 (11,996 ) Balance, end of period $ (1,004 ) $ 11 $ (993 ) Items reclassified out of each component of other comprehensive income are as follows: For the Year Ended December 31, 2015 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale securities $ (2,861 ) Realized gains on available-for-sale securities, net 1,002 Income tax provision (1,859 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 11 Pensions and other employee benefits Loss on settlement 87 Pensions and other employee benefits 67 Total before tax (23 ) Income tax provision 44 Net of tax Total reclassifications for the period $ (1,815 ) For the Year Ended December 31, 2014 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale securities $ (1,104 ) Realized gains on available-for-sale securities, net 386 Income tax provision (718 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 19 Pensions and other employee benefits Loss on settlement 196 Pensions and other employee benefits 184 Total before tax (65 ) Income tax provision 119 Net of tax Total reclassifications for the period $ (599 ) For the Year Ended December 31, 2013 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale Securities $ 25 Total other-than-temporary impairment losses on available-for-sale securities (1,743 ) Realized gains on available-for-sale securities, net (1,718 ) Total before tax 601 Income tax provision (1,117 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 33 Pensions and other employee benefits 2 Total before tax (1 ) Income tax provision 1 Net of tax Total reclassifications for the period $ (1,116 )

Note 4 - Per Share Data

Note 4 - Per Share Data	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
Earnings Per Share [Text Block]	4. PER SHARE DATA Net income per share is based on the weighted-average number of shares of common stock outstanding. The following data show the amounts used in computing basic and diluted net income per share. As shown in the table that follows, diluted earnings per share is computed using weighted average common shares outstanding, plus weighted-average common shares available from the exercise of all dilutive stock options, less the number of shares that could be repurchased with the proceeds of stock option exercises based on the average share price of the Corporation's common stock during the period. Weighted- Average Earnings Net Common Per Income Shares Share 2015 Earnings per share – basic $ 16,471,000 12,211,941 $ 1.35 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 210,402 Hypothetical share repurchase at $20.04 (188,570 ) Earnings per share – diluted $ 16,471,000 12,233,773 $ 1.35 2014 Earnings per share – basic $ 17,086,000 12,390,067 $ 1.38 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 224,015 Hypothetical share repurchase at $19.41 (202,032 ) Earnings per share – diluted $ 17,086,000 12,412,050 $ 1.38 2013 Earnings per share – basic $ 18,594,000 12,352,383 $ 1.51 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 250,236 Hypothetical share repurchase at $19.86 (219,829 ) Earnings per share – diluted $ 18,594,000 12,382,790 $ 1.50 Stock options that were anti-dilutive were excluded from net income per share calculations. Weighted-average common shares available from anti-dilutive instruments totaled 61,590 shares in 2015, 151,310 shares in 2014 and 88,521 shares in 2013.

Note 5 - Cash and Due from Bank

Note 5 - Cash and Due from Banks	12 Months Ended
	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents Disclosure [Text Block]	5. CASH AND DUE FROM BANKS Cash and due from banks at December 31, 2015 and 2014 include the following: (In thousands) Dec. 31, 2014 Cash and cash equivalents $ 33,313 $ 31,619 Certificates of deposit 2,748 4,428 Total cash and due from banks $ 36,061 $ 36,047 Certificates of deposit are issues by U.S. banks with original maturities greater than three months. Each certificate of deposit is fully FDIC-insured. The Corporation maintains cash and cash equivalents with certain financial institutions in excess of the FDIC insurance limit. The Corporation is required to maintain reserves against deposit liabilities in the form of cash and balances with the Federal Reserve Bank. The reserves are based on deposit levels, account activity, and other services provided by the Federal Reserve Bank. Required reserves were $15,327,000 at December 31, 2015 and $16,853,000 at December 31, 2014.

Note 6 - Fair Value Measurement

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments	12 Months Ended
	Dec. 31, 2015
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Text Block]	6. FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS The Corporation measures certain assets at fair value. Fair value is defined as the price that would be received to sell an asset in an orderly transaction between market participants at the measurement date. FASB ASC topic 820, “Fair Value Measurements and Disclosures” establishes a framework for measuring fair value that includes a hierarchy used to classify the inputs used in measuring fair value. The hierarchy prioritizes the inputs used in determining valuations into three levels. The level in the fair value hierarchy within which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement. The levels of the fair value hierarchy are as follows: Level 1 – Fair value is based on unadjusted quoted prices in active markets that are accessible to the Corporation for identical assets. These generally provide the most reliable evidence and are used to measure fair value whenever available. Level 2 – Fair value is based on significant inputs, other than Level 1 inputs, that are observable either directly or indirectly for substantially the full term of the asset through corroboration with observable market data. Level 2 inputs include quoted market prices in active markets for similar assets, quoted market prices in markets that are not active for identical or similar assets and other observable inputs. Level 3 – Fair value is based on significant unobservable inputs. Examples of valuation methodologies that would result in Level 3 classification include option pricing models, discounted cash flows and other similar techniques. The Corporation monitors and evaluates available data relating to fair value measurements on an ongoing basis and recognizes transfers among the levels of the fair value hierarchy as of the date of an event or change in circumstances that affects the valuation method chosen. Examples of such changes may include the market for a particular asset becoming active or inactive, changes in the availability of quoted prices, or changes in the availability of other market data. At December 31, 2015 and 2014, assets measured at fair value and the valuation methods used are as follows: December 31, 2015 Quoted Prices Other in Active Observable Unobservable Total Markets Inputs Inputs Fair (In Thousands) (Level 1) (Level 2) (Level 3) Value Recurring fair value measurements AVAILABLE-FOR-SALE SECURITIES: Obligations of U.S. Government agencies $ 0 $ 10,483 $ 0 $ 10,483 Obligations of states and political subdivisions: Tax-exempt 0 107,757 0 107,757 Taxable 0 34,597 0 34,597 Mortgage-backed securities 0 73,343 0 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 0 191,715 0 191,715 Collateralized debt obligations 0 9 0 9 Total debt securities 0 417,904 0 417,904 Marketable equity securities 2,386 0 0 2,386 Total available-for-sale securities 2,386 417,904 0 420,290 Servicing rights 0 0 1,296 1,296 Total recurring fair value measurements $ 2,386 $ 417,904 $ 1,296 $ 421,586 Nonrecurring fair value measurements Impaired loans with a valuation allowance $ 0 $ 0 $ 1,933 $ 1,933 Valuation allowance 0 0 (820 ) (820 ) Impaired loans, net 0 0 1,113 1,113 Foreclosed assets held for sale 0 0 1,260 1,260 Total nonrecurring fair value measurements $ 0 $ 0 $ 2,373 $ 2,373 December 31, 2014 Quoted Prices Other in Active Observable Unobservable Total Markets Inputs Inputs Fair (In Thousands) (Level 1) (Level 2) (Level 3) Value Recurring fair value measurements AVAILABLE-FOR-SALE SECURITIES: Obligations of U.S. Government agencies $ 0 $ 26,676 $ 0 $ 26,676 Obligations of states and political subdivisions: Tax-exempt 0 124,839 0 124,839 Taxable 0 33,878 0 33,878 Mortgage-backed securities 0 83,903 0 83,903 Collateralized mortgage obligations, Issued by U.S. Government agencies 0 238,823 0 238,823 Collateralized debt obligations 0 34 0 34 Total debt securities 0 508,153 0 508,153 Marketable equity securities 8,654 0 0 8,654 Total available-for-sale securities 8,654 508,153 0 516,807 Servicing rights 0 0 1,281 1,281 Total recurring fair value measurements $ 8,654 $ 508,153 $ 1,281 $ 518,088 Nonrecurring fair value measurements Impaired loans with a valuation allowance $ 0 $ 0 $ 3,241 $ 3,241 Valuation allowance 0 0 (769 ) (769 ) Impaired loans, net 0 0 2,472 2,472 Foreclosed assets held for sale 0 0 1,189 1,189 Total nonrecurring fair value measurements $ 0 $ 0 $ 3,661 $ 3,661 Loans are classified as impaired when, based on current information and events, it is probable that the Corporation will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Foreclosed assets held for sale consist of real estate acquired by foreclosure. For impaired commercial loans secured by real estate and foreclosed assets held for sale, estimated fair values are determined primarily using values from third-party appraisals less estimated selling costs. Management’s evaluation and selection of valuation techniques and the unobservable inputs used in determining the fair values of assets valued using Level 3 methodologies include sensitive assumptions. Other market participants might use substantially different assumptions, which could result in calculations of fair values that would be substantially different than the amount calculated by management. The following table shows quantitative information regarding significant techniques and inputs used at December 31, 2015 and 2014 for servicing rights assets measured using unobservable inputs (Level 3 methodologies) on a recurring basis: Asset Fair Value at (In Thousands) Valuation Unobservable Method or Value As of Servicing rights $ 1,296 Discounted cash flow Discount rate 10.00 % Rate used through modeling period Loan prepayment speeds 146.00 % Weighted-average PSA Servicing fees 0.25 % of loan balances 4.00 % of payments are late 5.00 % late fees assessed $ 1.94 Miscellaneous fees per account per month Servicing costs $ 6.00 Monthly servicing cost per account $ 24.00 Additional monthly servicing cost per loan on loans more than 30 days delinquent 1.50 % of loans more than 30 days delinquent 3.00 % annual increase in servicing costs Asset Fair Value at Valuation Unobservable Method or Value As of Servicing rights $ 1,281 Discounted cash flow Discount rate 10.00 % Rate used through modeling period Loan prepayment speeds 156.00 % Weighted-average PSA Servicing fees 0.25 % of loan balances 4.00 % of payments are late 5.00 % late fees assessed $ 1.94 Miscellaneous fees per account per month Servicing costs $ 6.00 Monthly servicing cost per account $ 24.00 Additional monthly servicing cost per loan on loans more than 30 days delinquent 1.50 % of loans more than 30 days delinquent 3.00 % annual increase in servicing costs The fair value of servicing rights is affected by expected future interest rates. Increases (decreases) in future expected interest rates tend to increase (decrease) the fair value of the Corporation’s servicing rights because of changes in expected prepayment behavior by the borrowers on the underlying loans. Following is a reconciliation of activity for Level 3 assets measured at fair value on a recurring basis: Years Ended December 31, 2015 2014 (In Thousands) Servicing Servicing Rights Rights Balance, beginning of period $ 1,281 $ 1,123 Issuances of servicing rights 177 185 Unrealized losses included in earnings (162 ) (27 ) Balance, end of period $ 1,296 $ 1,281 Year Ended December 31, 2013 Pooled Trust Pooled Trust Preferred Preferred Securities - Securities - (In Thousands) Senior Mezzanine Servicing Tranches Tranches Rights Total Balance, beginning of period $ 1,613 $ 0 $ 605 $ 2,218 Issuances of servicing rights 0 0 451 451 Accretion and amortization, net (2 ) 0 0 (2 ) Proceeds from sales and calls (1,636 ) (571 ) 0 (2,207 ) Realized gains, net 23 571 0 594 Unrealized gains included in earnings 0 0 67 67 Unrealized gains included in other comprehensive income 2 0 0 2 Balance, end of period $ 0 $ 0 $ 1,123 $ 1,123 Loans are classified as impaired when, based on current information and events, it is probable that the Corporation will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Foreclosed assets held for sale consist of real estate acquired by foreclosure. For impaired commercial loans secured by real estate and foreclosed assets held for sale, estimated fair values are determined primarily using values from third-party appraisals. Appraised values are discounted to arrive at the estimated selling price of the collateral, which is considered to be the estimated fair value. The discounts also include estimated costs to sell the property. At December 31, 2015 and 2014, quantitative information regarding significant techniques and inputs used for nonrecurring fair value measurements using unobservable inputs (Level 3 methodologies) are as follows: (In Thousands, Except Value at Percentages) Valuation 12/31/15 Balance at Allowance at Fair Value at Valuation Unobservable (Weighted Asset 12/31/15 12/31/15 12/31/15 Technique Inputs Average) Impaired loans: Residential mortgage loans - first liens $ 42 $ 1 $ 41 Sales comparison Discount to appraised value 31 % Commercial: Commercial loans secured by real estate 317 97 220 Sales comparison Discount to appraised value 46 % Commercial and industrial 75 75 0 Sales comparison Discount to appraised value 31 % Loans secured by farmland 512 52 460 Sales comparison Discount to appraised value 49 % Multi-family (5 or more) residential 987 595 392 Sales comparison Discount to appraised value 41 % Total impaired loans $ 1,933 $ 820 $ 1,113 Foreclosed assets held for sale - real estate: Residential (1-4 family) $ 556 $ 0 $ 556 Sales comparison Discount to appraised value 32 % Land 704 0 704 Sales comparison Discount to appraised value 29 % Total foreclosed assets held for sale $ 1,260 $ 0 $ 1,260 (In Thousands, Except Value at Percentages) Valuation 12/31/14 Balance at Allowance at Fair Value at Valuation Unobservable (Weighted Asset 12/31/14 12/31/14 12/31/14 Technique Inputs Average) Impaired loans: Residential mortgage loans - first liens $ 715 $ 358 $ 357 Sales comparison Discount to appraised value 36 % Commercial: Commercial loans secured by real estate 16 16 0 Sales comparison Discount to appraised value 42 % Commercial and industrial 150 82 68 Sales comparison Discount to appraised value 21 % Commercial construction and land 1,815 211 1,604 Sales comparison Discount to appraised value 30 % Loans secured by farmland 545 102 443 Sales comparison Discount to appraised value 40 % Total impaired loans $ 3,241 $ 769 $ 2,472 Foreclosed assets held for sale - real estate: Residential (1-4 family) $ 306 $ 0 $ 306 Sales comparison Discount to appraised value 42 % Commercial property 159 0 159 Sales comparison Discount to appraised value 23 % Land 724 0 724 Sales comparison Discount to appraised value 29 % Total foreclosed assets held for sale $ 1,189 $ 0 $ 1,189 No other-than-temporary impairment losses on securities valued using Level 3 methodologies were recorded in 2015, 2014 or 2013. Certain of the Corporation’s financial instruments are not measured at fair value in the consolidated financial statements. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument. Certain financial instruments and all nonfinancial instruments are excluded from disclosure requirements. Therefore, the aggregate fair value amounts presented may not represent the underlying fair value of the Corporation. The Corporation used the following methods and assumptions in estimating fair value disclosures for financial instruments: CASH AND CASH EQUIVALENTS - CERTIFICATES OF DEPOSIT - SECURITIES - LOANS HELD FOR SALE - LOANS - SERVICING RIGHTS - DEPOSITS - BORROWED FUNDS - ACCRUED INTEREST - OFF-BALANCE SHEET COMMITMENTS - The estimated fair values, and related carrying amounts, of the Corporation’s financial instruments are as follows: (In Thousands) Valuation December 31, 2015 December 31, 2014 Method(s) Carrying Fair Carrying Fair Used Amount Value Amount Value Financial assets: Cash and cash equivalents Level 1 $ 33,313 $ 33,313 $ 31,619 $ 31,619 Certificates of deposit Level 2 2,748 2,752 4,428 4,443 Available-for-sale securities See Above 420,290 420,290 516,807 516,807 Restricted equity securities (included in Other Assets) Level 2 4,657 4,657 1,584 1,584 Loans held for sale Level 2 280 280 0 0 Loans, net Level 3 696,991 685,552 623,209 629,267 Accrued interest receivable Level 2 3,768 3,768 3,908 3,908 Servicing rights Level 3 1,296 1,296 1,281 1,281 Financial liabilities: Deposits with no stated maturity Level 2 713,931 713,931 729,052 729,052 Time deposits Level 2 221,684 221,891 238,937 239,712 Short-term borrowings Level 2 53,496 53,398 5,537 5,473 Long-term borrowings Level 2 38,767 40,166 73,060 78,866 Accrued interest payable Level 2 70 70 104 104

Note 7 - Securities

Note 7 - Securities	12 Months Ended
	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	7. SECURITIES Amortized cost and fair value of available-for-sale securities at December 31, 2015 and 2014 are summarized as follows: December 31, 2015 Gross Gross Unrealized Unrealized Amortized Holding Holding Fair (In Thousands) Cost Gains Losses Value Obligations of U.S. Government agencies $ 10,663 $ 12 $ (192 ) $ 10,483 Obligations of states and political subdivisions: Tax-exempt 103,414 4,365 (22 ) 107,757 Taxable 34,317 381 (101 ) 34,597 Mortgage-backed securities 73,227 486 (370 ) 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 193,145 623 (2,053 ) 191,715 Collateralized debt obligations: 9 0 0 9 Total debt securities 414,775 5,867 (2,738 ) 417,904 Marketable equity securities 1,680 706 0 2,386 Total $ 416,455 $ 6,573 $ (2,738 ) $ 420,290 December 31, 2014 Gross Gross Unrealized Unrealized Amortized Holding Holding Fair (In Thousands) Cost Gains Losses Value Obligations of U.S. Government agencies $ 27,221 $ 38 $ (583 ) $ 26,676 Obligations of states and political subdivisions: Tax-exempt 120,086 5,134 (381 ) 124,839 Taxable 33,637 415 (174 ) 33,878 Mortgage-backed securities 82,479 1,493 (69 ) 83,903 Collateralized mortgage obligations, Issued by U.S. Government agencies 239,620 1,239 (2,036 ) 238,823 Collateralized debt obligations: 34 0 0 34 Total debt securities 503,077 8,319 (3,243 ) 508,153 Marketable equity securities 5,605 3,058 (9 ) 8,654 Total $ 508,682 $ 11,377 $ (3,252 ) $ 516,807 The following table presents gross unrealized losses and fair value of available-for-sale securities with unrealized loss positions that are not deemed to be other-than-temporarily impaired, aggregated by length of time that individual securities have been in a continuous unrealized loss position at December 31, 2015 and 2014: December 31, 2015 Less Than 12 Months 12 Months or More Total (In Thousands) Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses Obligations of U.S. Government agencies $ 0 $ 0 $ 7,850 $ (192 ) $ 7,850 $ (192 ) Obligations of states and political subdivisions: Tax-exempt 5,200 (19 ) 216 (3 ) 5,416 (22 ) Taxable 10,605 (60 ) 2,910 (41 ) 13,515 (101 ) Mortgage-backed securities 38,764 (295 ) 3,503 (75 ) 42,267 (370 ) Collateralized mortgage obligations, Issued by U.S. Government agencies 88,355 (648 ) 49,273 (1,405 ) 137,628 (2,053 ) Total temporarily impaired available-for-sale securities $ 142,924 $ (1,022 ) $ 63,752 $ (1,716 ) $ 206,676 $ (2,738 ) December 31, 2014 Less Than 12 Months 12 Months or More Total (In Thousands) Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses Obligations of U.S. Government agencies $ 0 $ 0 $ 24,020 $ (583 ) $ 24,020 $ (583 ) Obligations of states and political subdivisions: Tax-exempt 11,898 (289 ) 6,991 (92 ) 18,889 (381 ) Taxable 4,240 (22 ) 9,159 (152 ) 13,399 (174 ) Mortgage-backed securities 0 0 4,160 (69 ) 4,160 (69 ) Collateralized mortgage obligations, Issued by U.S. Government agencies 58,812 (396 ) 60,897 (1,640 ) 119,709 (2,036 ) Total debt securities 74,950 (707 ) 105,227 (2,536 ) 180,177 (3,243 ) Marketable equity securities 134 (9 ) 0 0 134 (9 ) Total temporarily impaired available-for-sale securities $ 75,084 $ (716 ) $ 105,227 $ (2,536 ) $ 180,311 $ (3,252 ) Gross realized gains and losses from available-for-sale securities (including OTTI losses in gross realized losses) and the related income tax provision were as follows: (In Thousands) 2015 2014 2013 Gross realized gains from sales $ 2,972 $ 1,328 $ 1,918 Gross realized losses from sales (111 ) (224 ) (175 ) Losses from OTTI Impairment 0 0 (25 ) Net realized gains $ 2,861 $ 1,104 $ 1,718 Income tax provision related to net realized gains $ 1,002 $ 386 $ 601 The amortized cost and fair value of available-for-sale debt securities by contractual maturity are shown in the following table as of December 31, 2015. Actual maturities may differ from contractual maturities because counterparties may have the right to call or prepay obligations with or without call or prepayment penalties. Amortized Fair (In Thousands) Cost Value Due in one year or less $ 9,087 $ 9,154 Due from one year through five years 60,639 61,664 Due from five years through ten years 45,173 46,227 Due after ten years 33,504 35,801 Subtotal 148,403 152,846 Mortgage-backed securities 73,227 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 193,145 191,715 Total $ 414,775 $ 417,904 The Corporation’s mortgage-backed securities and collateralized mortgage obligations have stated maturities that may differ from actual maturities due to borrowers’ ability to prepay obligations. Cash flows from such investments are dependent upon the performance of the underlying mortgage loans and are generally influenced by the level of interest rates. In the table above, mortgage-backed securities and collateralized mortgage obligations are shown in one period. Investment securities carried at $228,616,000 at December 31, 2015 and $369,945,000 at December 31, 2014 were pledged as collateral for public deposits, trusts and certain other deposits as provided by law. See Note 12 for information concerning securities pledged to secure borrowing arrangements. Management evaluates securities for OTTI at least on a quarterly basis, and more frequently when economic or market conditions warrant such evaluation. Consideration is given to (1) the length of time and the extent to which the fair value has been less than cost, (2) the financial condition and near-term prospects of the issuer, and (3) whether the Corporation intends to sell the security or more likely than not will be required to sell the security before its anticipated recovery. The Corporation recognized net impairment losses in earnings, as follows: (In Thousands) 2015 2014 2013 Marketable equity securities (bank stocks) $ 0 $ 0 $ (25 ) A summary of information management considered in evaluating debt and equity securities for OTTI at December 31, 2015 is provided below. Debt Securities At December 31, 2015 and 2014, management performed an assessment for possible OTTI of the Corporation’s debt securities on an issue-by-issue basis, relying on information obtained from various sources, including publicly available financial data, ratings by external agencies, brokers and other sources. The extent of individual analysis applied to each security depended on the size of the Corporation’s investment, as well as management’s perception of the credit risk associated with each security. Based on the results of the assessment, management believes impairment of these debt securities, including municipal bonds with no external ratings, at December 31, 2015 to be temporary. Equity Securities The Corporation’s marketable equity securities at December 31, 2015 and 2014 consisted exclusively of stocks of banking companies. The Corporation recognized no other-than-temporary impairment losses related to bank stocks in 2015 or 2014. In 2013, the Corporation recognized an other-than-temporary impairment loss related to a bank stock of $25,000. Management evaluates recognition of other-than-temporary impairment losses based on review of the issuers’ published financial results to determine if recovery of the Corporation’s cost basis within the foreseeable future is uncertain. At December 31, 2015, the Corporation held no stocks with an unrealized loss. Realized gains from sales of bank stocks totaled $2,220,000 in 2015, $363,000 in 2014, and $1,018,000 in 2013. C&N Bank is a member of the Federal Home Loan Bank of Pittsburgh (FHLB-Pittsburgh), which is one of 11 regional Federal Home Loan Banks. As a member, C&N Bank is required to purchase and maintain stock in FHLB-Pittsburgh. There is no active market for FHLB-Pittsburgh stock, and it must ordinarily be redeemed by FHLB-Pittsburgh in order to be liquidated. C&N Bank’s investment in FHLB-Pittsburgh stock, included in Other Assets in the consolidated balance sheet, was $4,527,000 at December 31, 2015 and $1,454,000 at December 31, 2014. The Corporation evaluated its holding of FHLB-Pittsburgh stock for impairment and deemed the stock to not be impaired at December 31, 2015 and December 31, 2014. In making this determination, management concluded that recovery of total outstanding par value, which equals the carrying value, is expected. The decision was based on review of financial information that FHLB-Pittsburgh has made publicly available.

Note 8 - Loans

Note 8 - Loans	12 Months Ended
	Dec. 31, 2015
Receivables [Abstract]
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	8. LOANS Loans outstanding at December 31, 2015 and 2014 are summarized as follows: Summary of Loans by Type (In Thousands) Dec. 31, Dec. 31, 2015 2014 Residential mortgage: Residential mortgage loans - first liens $ 304,783 $ 291,882 Residential mortgage loans - junior liens 21,146 21,166 Home equity lines of credit 39,040 36,629 1-4 Family residential construction 21,121 16,739 Total residential mortgage 386,090 366,416 Commercial: Commercial loans secured by real estate 154,779 145,878 Commercial and industrial 75,196 50,157 Political subdivisions 40,007 17,534 Commercial construction and land 5,122 6,938 Loans secured by farmland 7,019 7,916 Multi-family (5 or more) residential 9,188 8,917 Agricultural loans 4,671 3,221 Other commercial loans 12,152 13,334 Total commercial 308,134 253,895 Consumer 10,656 10,234 Total 704,880 630,545 Less: allowance for loan losses (7,889 ) (7,336 ) Loans, net $ 696,991 $ 623,209 The Corporation grants loans to individuals as well as commercial and tax-exempt entities. Commercial, residential and personal loans are made to customers geographically concentrated in the Pennsylvania and New York counties that make up the market serviced by Citizens & Northern Bank. Although the Corporation has a diversified loan portfolio, a significant portion of its debtors’ ability to honor their contracts is dependent on the local economic conditions within the region. There is no concentration of loans to borrowers engaged in similar businesses or activities that exceed 10% of total loans at December 31, 2015. Transactions within the allowance for loan losses, summarized by segment and class, were as follows: Year Ended December 31, 2015 (In Thousands) Dec. 31, Balance Charge-offs Recoveries Provision (Credit) Dec. 31, Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,941 $ (175 ) $ 1 $ (122 ) $ 2,645 Residential mortgage loans - junior liens 176 (42 ) 0 85 219 Home equity lines of credit 322 0 0 25 347 1-4 Family residential construction 214 0 0 (7 ) 207 Total residential mortgage 3,653 (217 ) 1 (19 ) 3,418 Commercial: Commercial loans secured by real estate 1,758 (115 ) 208 88 1,939 Commercial and industrial 688 (21 ) 6 308 981 Political subdivisions 0 0 0 0 0 Commercial construction and land 283 (115 ) 0 (110 ) 58 Loans secured by farmland 165 0 0 (59 ) 106 Multi-family (5 or more) residential 87 0 0 588 675 Agricultural loans 31 0 0 14 45 Other commercial loans 131 0 0 (13 ) 118 Total commercial 3,143 (251 ) 214 816 3,922 Consumer 145 (94 ) 55 16 122 Unallocated 395 0 0 32 427 Total Allowance for Loan Losses $ 7,336 $ (562 ) $ 270 $ 845 $ 7,889 Year Ended December 31, 2014 (In Thousands) Dec. 31, Provision Dec. 31, Balance Charge-offs Recoveries (Credit) Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,974 $ (164 ) $ 25 $ 106 $ 2,941 Residential mortgage loans - junior liens 294 (101 ) 0 (17 ) $ 176 Home equity lines of credit 269 (62 ) 0 115 $ 322 1-4 Family residential construction 168 0 0 46 $ 214 Total residential mortgage 3,705 (327 ) 25 250 3,653 Commercial: Commercial loans secured by real estate 3,123 (1,521 ) 250 (94 ) 1,758 Commercial and industrial 591 (24 ) 9 112 688 Political subdivisions 0 0 0 0 0 Commercial construction and land 267 (170 ) 5 181 283 Loans secured by farmland 115 0 0 50 165 Multi-family (5 or more) residential 103 0 0 (16 ) 87 Agricultural loans 30 0 0 1 31 Other commercial loans 138 0 0 (7 ) 131 Total commercial 4,367 (1,715 ) 264 227 3,143 Consumer 193 (97 ) 47 2 145 Unallocated 398 0 0 (3 ) 395 Total Allowance for Loan Losses $ 8,663 $ (2,139 ) $ 336 $ 476 $ 7,336 Year Ended December 31, 2013 (In Thousands) Dec. 31, Provision Dec. 31, Balance Charge-offs Recoveries (Credit) Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,619 $ (84 ) $ 24 $ 415 $ 2,974 Residential mortgage loans - junior liens 247 0 0 47 294 Home equity lines of credit 255 0 0 14 269 1-4 Family residential construction 96 (11 ) 0 83 168 Total residential mortgage 3,217 (95 ) 24 559 3,705 Commercial: Commercial loans secured by real estate 1,930 (169 ) 344 1,018 3,123 Commercial and industrial 581 (286 ) 4 292 591 Political subdivisions 0 0 0 0 0 Commercial construction and land 234 (4 ) 0 37 267 Loans secured by farmland 129 0 0 (14 ) 115 Multi-family (5 or more) residential 67 0 0 36 103 Agricultural loans 27 0 0 3 30 Other commercial loans 3 0 0 135 138 Total commercial 2,971 (459 ) 348 1,507 4,367 Consumer 228 (117 ) 58 24 193 Unallocated 441 0 0 (43 ) 398 Total Allowance for Loan Losses $ 6,857 $ (671 ) $ 430 $ 2,047 $ 8,663 In the evaluation of the loan portfolio, management determines two major components for the allowance for loan losses – (1) a specific component based on an assessment of certain larger relationships, mainly commercial purpose loans, on a loan-by-loan basis; and (2) a general component for the remainder of the portfolio based on a collective evaluation of pools of loans with similar risk characteristics. In determining the larger loan relationships for detailed assessment under the specific allowance component, the Corporation uses an internal risk rating system. Under the risk rating system, the Corporation classifies problem or potential problem loans as “Special Mention,” “Substandard,” or “Doubtful” on the basis of currently existing facts, conditions and values. Substandard loans include those characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected. Loans classified as Doubtful have all the weaknesses inherent in those classified as Substandard with the added characteristic that the weaknesses present make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. Loans that do not currently expose the Corporation to sufficient risk to warrant classification as Substandard or Doubtful, but possess weaknesses that deserve management’s close attention, are deemed to be Special Mention. Risk ratings are updated any time that conditions or the situation warrants. Loans not classified are included in the “Pass” column in the table below. The following tables summarize the aggregate credit quality classification of outstanding loans by risk rating as of December 31, 2015 and 2014: December 31, 2015 (In Thousands) Special Pass Mention Substandard Doubtful Total Residential Mortgage: Residential mortgage loans - first liens $ 295,302 $ 407 $ 9,007 $ 67 $ 304,783 Residential mortgage loans - junior liens 20,558 185 403 0 21,146 Home equity lines of credit 38,071 543 426 0 39,040 1-4 Family residential construction 21,104 17 0 0 21,121 Total residential mortgage 375,035 1,152 9,836 67 386,090 Commercial: Commercial loans secured by real estate 140,381 5,862 8,536 0 154,779 Commercial and Industrial 71,225 2,106 1,737 128 75,196 Political subdivisions 40,007 0 0 0 40,007 Commercial construction and land 4,957 60 105 0 5,122 Loans secured by farmland 5,084 483 1,432 20 7,019 Multi-family (5 or more) residential 7,943 0 1,245 0 9,188 Agricultural loans 4,655 0 16 0 4,671 Other commercial loans 12,073 0 79 0 12,152 Total commercial 286,325 8,511 13,150 148 308,134 Consumer 10,490 21 145 0 10,656 Totals $ 671,850 $ 9,684 $ 23,131 $ 215 $ 704,880 December 31, 2014 (In Thousands) Special Pass Mention Substandard Doubtful Total Residential Mortgage: Residential mortgage loans - first liens $ 280,094 $ 1,246 $ 10,464 $ 78 $ 291,882 Residential mortgage loans - junior liens 20,502 112 552 0 21,166 Home equity lines of credit 35,935 294 400 0 36,629 1-4 Family residential construction 16,719 20 0 0 16,739 Total residential mortgage 353,250 1,672 11,416 78 366,416 Commercial: Commercial loans secured by real estate 133,204 2,775 9,899 0 145,878 Commercial and Industrial 41,751 7,246 1,042 118 50,157 Political subdivisions 17,534 0 0 0 17,534 Commercial construction and land 4,650 266 2,022 0 6,938 Loans secured by farmland 5,990 433 1,468 25 7,916 Multi-family (5 or more) residential 8,629 288 0 0 8,917 Agricultural loans 3,196 0 25 0 3,221 Other commercial loans 13,248 86 0 0 13,334 Total commercial 228,202 11,094 14,456 143 253,895 Consumer 10,095 22 117 0 10,234 Totals $ 591,547 $ 12,788 $ 25,989 $ 221 $ 630,545 The scope of loans evaluated individually for impairment include all loan relationships greater than $200,000 for which there is at least one extension of credit graded Special Mention, Substandard or Doubtful. Also, all loans classified as troubled debt restructurings (discussed in more detail below) and all loan relationships less than $200,000 in the aggregate, but with an estimated loss of $100,000 or more, are individually evaluated for impairment. Loans that are individually evaluated for impairment, but which are not determined to be impaired, are combined with all remaining loans that are not reviewed on a specific basis, and such loans are included within larger pools of loans based on similar risk and loss characteristics for purposes of determining the general component of the allowance. The loans that have been individually evaluated, but which have not been determined to be impaired, are included in the “Collectively Evaluated” column in the table summarizing the allowance and associated loan balances as of December 31, 2015 and 2014. The following tables present a summary of loan balances and the related allowance for loan losses summarized by portfolio segment and class for each impairment method used as of December 31, 2015 and 2014: December 31, 2015 Loans: Allowance for Loan Losses: (In Thousands) Individually Collectively Individually Collectively Evaluated Evaluated Totals Evaluated Evaluated Totals Residential mortgage: Residential mortgage loans - first liens $ 884 $ 303,899 $ 304,783 $ 1 $ 2,644 $ 2,645 Residential mortgage loans - junior liens 74 21,072 21,146 0 219 219 Home equity lines of credit 0 39,040 39,040 0 347 347 1-4 Family residential construction 0 21,121 21,121 0 207 207 Total residential mortgage 958 385,132 386,090 1 3,417 3,418 Commercial: Commercial loans secured by real estate 6,262 148,517 154,779 97 1,842 1,939 Commercial and industrial 324 74,872 75,196 75 906 981 Political subdivisions 0 40,007 40,007 0 0 0 Commercial construction and land 0 5,122 5,122 0 58 58 Loans secured by farmland 1,427 5,592 7,019 52 54 106 Multi-family (5 or more) residential 987 8,201 9,188 595 80 675 Agricultural loans 16 4,655 4,671 0 45 45 Other commercial loans 0 12,152 12,152 0 118 118 Total commercial 9,016 299,118 308,134 819 3,103 3,922 Consumer 0 10,656 10,656 0 122 122 Unallocated 427 Total $ 9,974 $ 694,906 $ 704,880 $ 820 $ 6,642 $ 7,889 December 31, 2014 Loans: Allowance for Loan Losses: (In Thousands) Individually Collectively Individually Collectively Evaluated Evaluated Totals Evaluated Evaluated Totals Residential mortgage: Residential mortgage loans - first liens $ 1,665 $ 290,217 $ 291,882 $ 358 $ 2,583 $ 2,941 Residential mortgage loans - junior liens 17 21,149 21,166 0 176 176 Home equity lines of credit 0 36,629 36,629 0 322 322 1-4 Family residential construction 0 16,739 16,739 0 214 214 Total residential mortgage 1,682 364,734 366,416 358 3,295 3,653 Commercial: Commercial loans secured by real estate 6,537 139,341 145,878 16 1,742 1,758 Commercial and industrial 663 49,494 50,157 82 606 688 Political subdivisions 0 17,534 17,534 0 0 0 Commercial construction and land 1,939 4,999 6,938 211 72 283 Loans secured by farmland 1,470 6,446 7,916 102 63 165 Multi-family (5 or more) residential 0 8,917 8,917 0 87 87 Agricultural loans 25 3,196 3,221 0 31 31 Other commercial loans 0 13,334 13,334 0 131 131 Total commercial 10,634 243,261 253,895 411 2,732 3,143 Consumer 0 10,234 10,234 0 145 145 Unallocated 395 Total $ 12,316 $ 618,229 $ 630,545 $ 769 $ 6,172 $ 7,336 Summary information related to impaired loans as of December 31, 2015 and 2014 is as follows: (In Thousands) December 31, 2015 December 31, 2014 Unpaid Unpaid Principal Recorded Related Principal Recorded Related Balance Investment Allowance Balance Investment Allowance With no related allowance recorded: Residential mortgage loans - first liens $ 842 $ 842 $ - $ 950 $ 950 $ - Residential mortgage loans - junior liens 74 74 - 17 17 - Commercial loans secured by real estate 7,580 5,945 - 8,062 6,521 - Commercial and industrial 249 249 - 513 513 - Commercial construction and land 0 0 - 124 124 - Loans secured by farmland 915 915 - 925 925 - Agricultural loans 16 16 - 25 25 - Total with no related allowance recorded 9,676 8,041 - 10,616 9,075 - With a related allowance recorded: Residential mortgage loans - first liens 42 42 1 715 715 358 Commercial loans secured by real estate 317 317 97 16 16 16 Commercial and industrial 75 75 75 150 150 82 Commercial construction and land 0 0 0 1,815 1,815 211 Loans secured by farmland 512 512 52 545 545 102 Multi-family (5 or more) residential 987 987 595 0 0 0 Total with a related allowance recorded 1,933 1,933 820 3,241 3,241 769 Total $ 11,609 $ 9,974 $ 820 $ 13,857 $ 12,316 $ 769 The average balance of impaired loans and interest income recognized on impaired loans is as follows: Interest Income Recognized on Average Investment in Impaired Loans Impaired Loans on a Cash Basis (In Thousands) Year Ended December 31, Year Ended December 31, 2015 2014 2013 2015 2014 2013 Residential mortgage: Residential mortgage loans - first lien $ 2,206 $ 4,272 $ 3,334 $ 86 $ 81 $ 199 Residential mortgage loans - junior lien 64 168 245 4 3 17 Total residential mortgage 2,270 4,440 3,579 90 84 216 Commercial: Commercial loans secured by real estate 6,357 7,192 2,931 380 469 90 Commercial and industrial 438 877 941 20 37 35 Commercial construction and land 40 395 999 0 9 14 Loans secured by farmland 1,459 1,413 1,171 103 101 66 Multi-family (5 or more) residential 790 0 22 0 0 2 Agricultural loans 21 41 43 3 3 3 Total commercial 9,105 9,918 6,107 506 619 210 Consumer 0 1 4 0 0 0 Total $ 11,375 $ 14,359 $ 9,690 $ 596 $ 703 $ 426 The breakdown by portfolio segment and class of nonaccrual loans and loans past due ninety days or more and still accruing is as follows: (In Thousands) December 31, 2015 December 31, 2014 Past Due Past Due 90+ Days and 90+ Days and Accruing Nonaccrual Accruing Nonaccrual Residential mortgage: Residential mortgage loans - first liens $ 2,381 $ 3,044 $ 1,989 $ 3,440 Residential mortgage loans - junior liens 79 0 82 50 Home equity lines of credit 130 0 49 22 Total residential mortgage 2,590 3,044 2,120 3,512 Commercial: Commercial loans secured by real estate 503 5,730 653 5,804 Commercial and industrial 65 313 5 379 Commercial construction and land 0 0 35 1,915 Loans secured by farmland 0 1,427 0 951 Multi-family (5 or more) residential 0 987 0 0 Agricultural loans 0 16 0 25 Total commercial 568 8,473 693 9,074 Consumer 71 0 30 24 Totals $ 3,229 $ 11,517 $ 2,843 $ 12,610 The amounts shown in the table immediately above include loans classified as troubled debt restructurings (described in more detail below), if such loans are considered past due ninety days or more, or nonaccrual. The tables below present a summary of the contractual aging of loans as of December 31, 2015 and 2014: As of December 31, 2015 As of December 31, 2014 Current & Current & (In Thousands) Past Due Past Due Past Due Past Due Past Due Past Due Less than 30-89 90+ Less than 30-89 90+ 30 Days Days Days Total 30 Days Days Days Total Residential mortgage: Residential mortgage loans - first liens $ 294,703 $ 6,156 $ 3,924 $ 304,783 $ 282,766 $ 5,443 $ 3,673 $ 291,882 Residential mortgage loans - junior liens 20,816 251 79 21,146 20,853 190 123 21,166 Home equity lines of credit 38,581 329 130 39,040 36,300 258 71 36,629 1-4 Family residential construction 21,121 0 0 21,121 16,739 0 0 16,739 Total residential mortgage 375,221 6,736 4,133 386,090 356,658 5,891 3,867 366,416 Commercial: Commercial loans secured by real estate 153,427 108 1,244 154,779 143,713 883 1,282 145,878 Commercial and industrial 75,002 118 76 75,196 49,994 43 120 50,157 Political subdivisions 40,007 0 0 40,007 17,534 0 0 17,534 Commercial construction and land 5,018 104 0 5,122 4,897 91 1,950 6,938 Loans secured by farmland 5,970 223 826 7,019 6,811 254 851 7,916 Multi-family (5 or more) residential 8,201 0 987 9,188 8,720 197 0 8,917 Agricultural loans 4,642 13 16 4,671 3,105 91 25 3,221 Other commercial loans 12,152 0 0 12,152 13,334 0 0 13,334 Total commercial 304,419 566 3,149 308,134 248,108 1,559 4,228 253,895 Consumer 10,537 48 71 10,656 10,164 40 30 10,234 Totals $ 690,177 $ 7,350 $ 7,353 $ 704,880 $ 614,930 $ 7,490 $ 8,125 $ 630,545 Nonaccrual loans are included in the contractual aging immediately above. A summary of the contractual aging of nonaccrual loans at December 31, 2015 and 2014 is as follows: Current & (In Thousands) Past Due Past Due Past Due Less than 30-89 90+ 30 Days Days Days Total December 31, 2015 Nonaccrual Totals $ 7,100 $ 293 $ 4,124 $ 11,517 December 31, 2014 Nonaccrual Totals $ 6,959 $ 369 $ 5,282 $ 12,610 Loans whose terms are modified are classified as Troubled Debt Restructurings (TDRs) if the Corporation grants such borrowers concessions and it is deemed that those borrowers are experiencing financial difficulty. Loans classified as TDRs are designated as impaired. The outstanding balance of loans subject to TDRs, as well as the contractual aging information at December 31, 2015 and 2014 is as follows: Troubled Debt Restructurings (TDRs): Current & (In Thousands) Past Due Past Due Past Due Less than 30-89 90+ 30 Days Days Days Nonaccrual Total December 31, 2015 Totals $ 1,186 $ 0 $ 81 $ 5,097 $ 6,364 December 31, 2014 Totals $ 1,725 $ 82 $ 0 $ 5,388 $ 7,195 A summary of TDRs that occurred during 2015, 2014 and 2013 is as follows: Year Ended December 31, 2015 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage: Residential mortgage loans - first liens 2 $ 298 $ 298 Residential mortgage loans - junior liens 1 32 32 Consumer 1 30 30 Year Ended December 31, 2014 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage, Residential mortgage loans - first liens 3 $ 150 $ 150 Commercial: Commercial loans secured by real estate 5 6,679 5,193 Commercial and industrial 1 80 80 Year Ended December 31, 2013 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage: Residential mortgage loans - first liens 6 $ 677 $ 677 Residential mortgage loans - junior liens 3 102 102 Commercial: Commercial loans secured by real estate 2 866 866 Commercial and industrial 3 701 701 Loans secured by farmland 4 512 512 Agricultural loans 1 13 13 Consumer 1 6 6 The TDRs that occurred in 2015 related to residential mortgage loans – first liens that included an extended maturity date and a reduction in interest rate on one contract and a reduced payment amount on one contract. The TDR related to a residential mortgage – junior lien included a lowered interest rate and reduced payment amount. The TDR related to the consumer loan included a lowered interest rate and reduced payment amount. There was no allowance for loan losses on these loans at December 31, 2015, and no change in the allowance for loan losses resulting from these TDRs. The TDRs that occurred in 2014 related to residential mortgage loans that included a reduction in payment amount on one contract, an interest only period on one contract and a reduction in interest rate and payment on one contract. The TDRs related to commercial loans in the period ended December 31, 2014 relate to six contracts associated with one relationship. The Corporation entered into a forbearance agreement with this commercial borrower which includes a reduction in monthly payment amounts over a fifteen-month period. At the end of the fifteen-month period, the monthly payment amounts would revert to the original amounts, unless the forbearance agreement is extended or the payment requirements are otherwise modified. In July 2015, the forbearance agreement was extended for twelve months. The Corporation recorded a charge-off of $1,486,000 in the second quarter 2014 as a result of these modifications, as the payment amounts based on the forbearance agreement are not sufficient to fully amortize the contractual amount of principal outstanding on the loans. The amount of the charge-off was determined based on the excess of the contractual principal due over the present value of the payment amounts provided for in the forbearance agreement, assuming the revised payment amounts would continue until maturity, at the contractual interest rates. After the effect of the $1,486,000 charge-off related to loans to one commercial borrower described above, there was no allowance for loan losses on loans to that borrower at December 31, 2015 and 2014, while the allowance on the loans amounted to $1,552,000 at December 31, 2013. There were no other changes in the allowance for loan losses related to TDRs that occurred during the year ended December 31, 2014. The TDRs in 2013 included interest only payments for an extended period of time on fourteen contracts, extensions of the final maturity date on three contracts, reduction in interest rate on two contracts, and reduction in payment amount for one year on one contract. There was no allowance for loan losses on these loans at December 31, 2013 and no change in the allowance for loan losses resulting from these TDRs in the year ended December 31, 2013. For 2015, 2014 and 2013, defaults on loans for which modifications considered to be TDRs were entered into within the previous 12 months are summarized as follows: Number of Recorded Contracts Investment Year Ended December 31, 2015 (Balances in Thousands) Residential mortgage: Residential mortgage loans - first liens 1 $ 32 Number of Recorded Contracts Investment Year Ended December 31, 2014 (Balances in Thousands) Residential mortgage, 3 $ 257 Residential mortgage loans - junior liens 1 62 Commercial, Commercial loans secured by real estate 1 429 Commercial construction and land 1 25 Loans secured by farmland 4 490 Agricultural loans 1 13 Number of Recorded Contracts Investment Year Ended December 31, 2013 (Balances in Thousands) Residential mortgage, 1 $ 85 Commercial: Commercial loans secured by real estate 2 588 Commercial construction and land 1 110 Agricultural 1 13 The events of default in 2015 in the table listed above resulted from the borrower’s failure to make timely payments after reduced payment amount for a period of six months on the first lien residential mortgage. There was no allowance for loan losses recorded on this loan at December 31, 2015. The events of default in 2014 in the table listed above included the borrowers’ failure to make timely payments under the following circumstances: (1) for one customer relationship including one of the first lien Residential mortgages, the junior lien Residential mortgage, the Loans secured by farmland and the Agricultural loan, monthly payments of interest only were missed; however, in the fourth quarter 2014, the total principal balance of all of the loans except one of the Loans secured by farmland were fully paid off, and the balance on that loan was paid down to a balance at December 31, 2014 of $75,000 and at December 31, 2015 of $69,000; (2) for one of the Residential mortgage loans, monthly payments were missed after the interest rate and monthly payment amount had been reduced; (3) for one of the Residential mortgage loans and the Commercial loan secured by real estate, monthly payments of interest only were missed; and (4) for the Commercial construction and land loan, a monthly payment was missed after the term of the loan had been extended. There were no allowances for loan losses recorded on these loans at December 31, 2014. The events of default in 2013 in the table above included the borrowers’ failure to make timely payments under the following circumstances: (1) for the Residential mortgage loan, the monthly payment amount had been reduced; (2) for the two Commercial loans secured by real estate, monthly payments of interest only were missed; (3) for the Commercial construction and land loan, a monthly payment was missed after the term of the loan had been extended; and (4) for the Agricultural loan, payment at maturity was not made on a loan that had been in interest only status. There were no adjustments to the allowance for loan losses in 2013 as a result of these events of default. At December 31, 2015 and 2014, the Corporation evaluated loans to the borrowers who defaulted subsequent to restructurings, in determining the specific allowance for loan loss amounts related to the underlying loans. Based on the estimated value of the underlying collateral, net of estimated costs to sell the collateral, the Corporation determined that no allowance for loan losses was required at December 31, 2015 and 2014 for loans for which an event of default had occurred subsequent to restructuring. At December 31, 2015, the carrying amount of foreclosed residential real estate properties held as a result of obtaining physical possession (included in Foreclosed assets held for sale in the consolidated balance sheet) was $555,000. At December 31, 2015, the recorded investment of consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings are in process was $1,173,000.

Note 9 - Bank Premises and Equi

Note 9 - Bank Premises and Equipment	12 Months Ended
	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment Disclosure [Text Block]	9. BANK PREMISES AND EQUIPMENT Bank premises and equipment are summarized as follows: (In Thousands) December 31, 2015 2014 Land $ 2,818 $ 2,818 Buildings and improvements 27,092 26,973 Furniture and equipment 17,922 17,412 Construction in progress 243 98 Total 48,075 47,301 Less: accumulated depreciation (32,669 ) (31,045 ) Net $ 15,406 $ 16,256 Depreciation expense included in occupancy expense and furniture and equipment expense was as follows: (In Thousands) 2015 2014 2013 Occupancy expense $ 954 $ 998 $ 1,022 Furniture and equipment expense 934 942 998 Total $ 1,888 $ 1,940 $ 2,020

Note 10 - Intangible Assets

Note 10 - Intangible Assets	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Intangible Assets Disclosure [Text Block]	10. INTANGIBLE ASSETS There were no changes in the carrying amount of goodwill in 2015 and 2014. The balance in goodwill was $11,942,000 at December 31, 2015 and 2014. The Corporation did not complete any acquisitions in 2015 or 2014. The Corporation has adopted ASU No. 2011-08, Intangibles – Goodwill and Other (Topic 350) – Testing Goodwill for Impairment. In testing goodwill for impairment as of December 31, 2015, the Corporation assessed qualitative factors to determine whether it is more likely than not that the fair value of its only reporting unit, its community banking operation, is less than its carrying amount. The qualitative factors assessed included the Corporation’s recent financial performance, economic conditions in the Corporation’s market area, macroeconomic conditions and other factors. Based on the assessment of qualitative factors, the Corporation determined that it is not more likely than not that the fair value of the community banking operation has fallen below its carrying value, and therefore, the Corporation did not perform the more detailed, two-step goodwill impairment test described in Topic 350. Accordingly, there was no goodwill impairment as of December 31, 2015. Information related to the core deposit intangibles is as follows: December 31, (In Thousands) 2015 2014 Gross amount $ 2,034 $ 2,034 Less: accumulated amortization (2,004 ) (1,982 ) Net $ 30 $ 52 Amortization expense was $22,000 in 2015, $35,000 in 2014 and $51,000 in 2013. The amount of amortization expense to be recognized each of the ensuing five years is not significant.

Note 11 - Deposits

Note 11 - Deposits	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Deposit Liabilities Disclosures [Text Block]	11. DEPOSITS At December 31, 2015, the scheduled maturities of time deposits are as follows: (In Thousands) 2016 $ 124,562 2017 53,985 2018 19,611 2019 10,091 2020 13,424 Thereafter 11 $ 221,684 Included in interest-bearing deposits are time deposits in the amount of $100,000 or more. As of December 31, 2015, the remaining maturities or time to next re-pricing of time deposits of $100,000 or more are as follows: (In Thousands) Three months or less $ 35,167 Over 3 months through 12 months 9,330 Over 1 year through 3 years 12,358 Over 3 years 8,248 Total $ 65,103 Interest expense from time deposits of $100,000 or more amounted to $482,000 in 2015, $563,000 in 2014, and $721,000 in 2013.

Note 12 - Borrowed Funds

Note 12 - Borrowed Funds	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	12. BORROWED FUNDS Short-term borrowings include the following: (In Thousands) Dec. 31 Dec. 31 2015 2014 FHLB-Pittsburgh borrowings $ 48,581 $ 0 Customer repurchase agreements 4,915 5,537 Total short-term borrowings $ 53,496 $ 5,537 Short-term borrowings from FHLB - Pittsburgh are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Overnight borrowing $ 23,500 $ 0 Other short-term advances 25,081 0 Total short-term FHLB-Pittsburgh borrowings $ 48,581 $ 0 The weighted average interest rate on total short-term borrowings outstanding was 0.60% at December 31, 2015 and 0.10% at December 31, 2014. The maximum amount of total short-term borrowings outstanding at any month-end was $53,496,000 in 2015, $7,919,000 in 2014 and $23,385,000 in 2013. The Corporation had available credit with other correspondent banks totaling $45,000,000 at December 31, 2015 and 2014. These lines of credit are primarily unsecured. No amounts were outstanding at December 31, 2015 or December 31, 2014. The Corporation has a line of credit with the Federal Reserve Bank of Philadelphia’s Discount Window. At December 31, 2015, the Corporation had available credit in the amount of $19,606,000 on this line with no outstanding advances. At December 31, 2014 the Corporation had available credit in the amount of $25,367,000 on this line with no outstanding advances. As collateral for this line, the Corporation has pledged available-for-sale securities with the carrying value of $20,039,000 at December 31, 2015 and $26,092,000 at December 31, 2014. The FHLB-Pittsburgh loan facility is collateralized by qualifying loans secured by real estate with a book value totaling $450,883,000 at December 31, 2015 and $446,780,000 at December 31, 2014. Also, the FHLB-Pittsburgh loan facility requires the Corporation to invest in established amounts of FHLB-Pittsburgh stock. The carrying values of the Corporation’s holdings of FHLB-Pittsburgh stock (included in Other Assets) were $4,527,000 at December 31, 2015 and $1,454,000 at December 31, 2014. The Corporation’s total credit facility with FHLB-Pittsburgh was $322,709,000 at December 31, 2015, including an unused (available) amount of $262,361,000. At December 31, 2014, the Corporation’s total credit facility with FHLB-Pittsburgh was $323,067,000, including an unused (available) amount of $311,007,000. At December 31, 2015, the overnight borrowing from FHLB-Pittsburgh of $23,500,000 had an interest rate of 0.43%, and the other short-term advances included 12 advances of $2,090,000 each maturing monthly throughout 2016, with a weighted average interest rate of 0.86% and rates ranging from 0.54% to 1.052%. The Corporation engages in repurchase agreements with certain commercial customers. These agreements provide that the Corporation sells specified investment securities to the customers on an overnight basis and repurchases them on the following business day. The weighted average rate paid by the Corporation on customer repurchase agreements was 0.10% at December 31, 2015 and December 31, 2014. The carrying value of the underlying securities was $12,613,000 at December 31, 2015 and $15,229,000 at December 31, 2014. LONG-TERM BORROWINGS Long-term borrowings are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 FHLB-Pittsburgh borrowings $ 11,767 $ 12,060 Repurchase agreements 27,000 61,000 Total long-term borrowings $ 38,767 $ 73,060 Long-term borrowings from FHLB - Pittsburgh are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Loan maturing in 2016 with a rate of 6.86% $ 57 $ 107 Loan maturing in 2017 with a rate of 6.83% 10 16 Loan maturing in 2017 with a rate of 3.81% 10,000 10,000 Loan maturing in 2020 with a rate of 4.79% 821 987 Loan maturing in 2025 with a rate of 4.91% 879 950 Total long-term FHLB-Pittsburgh borrowings $ 11,767 $ 12,060 Repurchase agreements included in long-term borrowings are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Agreement maturing in 2017 with a rate of 3.595% $ 27,000 $ 27,000 Agreement maturing in 2017 with a rate of 4.265% 0 34,000 Total long-term repurchase agreements $ 27,000 $ 61,000 In 2015, the Corporation incurred losses totaling $2,573,000 on prepayment of $34,000,000 of the agreement with an interest rate of 4.265%. In 2013, the Corporation incurred a loss of $1,023,000 on prepayment of the agreement with an interest rate of 3.595%. “Repurchase Dates,” as defined in the Master Repurchase Agreement between the Corporation and the broker-dealer, occur quarterly on or about the 20 th Securities sold under repurchase agreements were delivered to the broker-dealer who is the counter-party to the transactions. The broker-dealer may have sold, loaned or otherwise disposed of such securities to other parties in the normal course of their operations, and has agreed to resell to the Corporation substantially identical securities at the maturities of the agreements. The Master Repurchase Agreement between the Corporation and the broker-dealer provides that the Agreement constitutes a “netting contract,” as defined; however, the Corporation and the broker-dealer have no other obligations to one another and accordingly, no netting has occurred. The carrying value of the underlying securities was $33,780,000 at December 31, 2015 and $70,982,000 at December 31, 2014, as detailed in the following table: (In Thousands) December 3 1 , December 31, 2015 2014 Mortgage-backed securities $ 15,772 $ 24,114 Collateralized mortgage obligations, Issued by U.S. Government agencies 18,008 46,868 Total $ 33,780 $ 70,982 Two of the more significant risks associated with the repurchase agreements are as follows: ● The borrowings are putable at quarterly intervals by the issuer. Accordingly, if interest rates were to rise to a sufficient level, the issuer would be expected to require the Corporation to pay off the borrowings. In this circumstance, the Corporation would be required to obtain new borrowings at a higher interest rate than the existing repurchase agreements or utilize cash from other sources to pay off the borrowings. If sales of available-for-sale securities were used to generate cash to pay off the borrowings, the value of such securities would be expected to have fallen, which could result in the Corporation recognizing a loss. ● As principal pay-downs of mortgage backed securities and CMOs occur, the Corporation must have available, unencumbered assets or purchase a sufficient amount of assets with credit quality suitable to the broker-dealer to replace the amounts being paid off. Since pre-payments of mortgages typically increase as interest rates fall, the Corporation may be required to purchase additional assets at times when market rates are lower than the rates paid on the borrowings. Average daily repurchase agreement borrowings amounted to $54,304,000 in 2015, $61,000,000 in 2014 and $62,630,000 in 2013. The maximum amounts of outstanding borrowings under repurchase agreements with broker-dealers were $61,000,000 in 2015, $61,000,000 in 2014 and $68,000,000 in 2013. The weighted average interest rate on repurchase agreements was 3.99% in 2015, 4.02% in 2014 and 4.01% in 2013.

Note 13 - Employee and Postreti

Note 13 - Employee and Postretirement Benefit Plans	12 Months Ended
	Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Pension and Other Postretirement Benefits Disclosure [Text Block]	13. EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS DEFINED BENEFIT PLANS The Corporation sponsors a defined benefit health care plan that provides postretirement medical benefits and life insurance to employees who meet certain age and length of service requirements. Effective January 1, 2013, this plan was amended so that full-time employees no longer accrue service time toward the Corporation-subsidized portion of the medical benefits. The plan was also amended effective January 1, 2013 to change some of the age and length-of-service requirements for participants to receive some of the benefits provided under the plan. This plan contains a cost-sharing feature, which causes participants to pay for all future increases in costs related to benefit coverage. Accordingly, actuarial assumptions related to health care cost trend rates do not significantly affect the liability balance at December 31, 2015 and December 31, 2014, and are not expected to significantly affect the Corporation's future expenses. The Corporation uses a December 31 measurement date for the postretirement plan. In an acquisition in 2007, the Corporation assumed the Citizens Trust Company Retirement Plan, a defined benefit pension plan. This plan covers certain employees who were employed by Citizens Trust Company on December 31, 2002, when the plan was amended to discontinue admittance of any future participant and to freeze benefit accruals. Information related to the Citizens Trust Company Retirement Plan has been included in the tables that follow. The Corporation uses a December 31 measurement date for this plan. The following table shows the funded status of the defined benefit plans: (In Thousands) Pension: Postretirement: 2015 2014 2015 2014 CHANGE IN BENEFIT OBLIGATION: Benefit obligation at beginning of year $ 1,085 $ 1,733 $ 1,378 $ 1,391 Service cost 0 0 38 34 Interest cost 36 73 57 57 Plan participants' contributions 0 0 203 198 Actuarial (gain) loss (46 ) 76 120 (48 ) Benefits paid (16 ) (16 ) (257 ) (254 ) Settlement of plan obligation (337 ) (781 ) 0 0 Benefit obligation at end of year $ 722 $ 1,085 $ 1,539 $ 1,378 CHANGE IN PLAN ASSETS: Fair value of plan assets at beginning of year $ 1,208 $ 1,968 $ 0 $ 0 Actual return on plan assets (16 ) 37 0 0 Employer contribution 0 0 54 56 Plan participants' contributions 0 0 203 198 Benefits paid (16 ) (16 ) (257 ) (254 ) Settlement of plan obligation (337 ) (781 ) 0 0 Fair value of plan assets at end of year $ 839 $ 1,208 $ 0 $ 0 Funded status at end of year $ 117 $ 123 $ (1,539 ) $ (1,378 ) In 2015, there was a distribution from the plan of $337,000, or 32% of the plan’s total accumulated benefit obligation prior to the distribution. The Corporation recognized a loss of $87,000 (included in net periodic benefit cost) in 2015 as a result of this settlement. In 2014, there was a distribution from the plan of $781,000, or 42% of the plan’s total accumulated benefit obligation prior to the distribution. The Corporation recognized a loss of $196,000 (included in net periodic benefit cost) in 2014 as a result of this settlement. At December 31, 2015 and 2014, the following pension plan and postretirement plan asset and liability amounts were recognized in the consolidated balance sheet: Assets and liabilities: (In Thousands) Pension: Postretirement: 2015 2014 2015 2014 Other assets $ 117 $ 123 Accrued interest and other liabilities $ 1,539 $ 1,378 At December 31, 2015 and 2014, the following items included in accumulated other comprehensive income had not been recognized as components of expense: Items not yet recognized as a component of net periodic benefit cost: (In Thousands) Pension: Postretirement: 2015 2014 2015 2014 Prior service cost $ 0 $ 0 $ (371 ) $ (402 ) Net actuarial loss 186 269 131 11 Total $ 186 $ 269 $ (240 ) $ (391 ) For the defined benefit pension plan, amortization of the net actuarial loss is expected to be $10,000 in 2016. For the postretirement plan, the estimated amount of prior service cost that will be amortized from accumulated other comprehensive income into net periodic benefit cost in 2016 is a reduction in expense of $31,000, and no net actuarial loss is expected to be amortized in 2016. The accumulated benefit obligation for the defined benefit pension plan was $722,000 at December 31, 2015 and $1,085,000 at December 31, 2014. The components of net periodic benefit costs from defined benefit plans are as follows: (In Thousands) Pension: Postretirement: 2015 2014 2013 2015 2014 2013 Service cost $ 0 $ 0 $ 0 $ 38 $ 34 $ 41 Interest cost 36 73 71 57 57 55 Expected return on plan assets (45 ) (88 ) (90 ) 0 0 0 Amortization of prior service cost 0 0 0 (31 ) (31 ) (31 ) Recognized net actuarial loss 11 19 32 0 0 1 Loss on settlement 87 196 0 0 0 0 Total net periodic benefit cost $ 89 $ 200 $ 13 $ 64 $ 60 $ 66 The weighted-average assumptions used to determine net periodic benefit cost are as follows: Pension: Postretirement: 2015 2014 2013 2015 2014 2013 Citizens Trust Company Retirement Plan and postretirement plan: Discount rate 3.75 % 4.50 % 4.00 % 4.00 % 4.00 % 4.00 % Expected return on plan assets 5.31 % 5.31 % 5.31 % N/A N/A N/A Rate of compensation increase N/A N/A N/A N/A N/A N/A The weighted-average assumptions used to determine benefit obligations as of December 31, 2015 and 2014 are as follows: Pension: Postretirement: 2015 2014 2015 2014 Discount rate 4.30 % 3.75 % 4.25 % 4.00 % Rate of compensation increase N/A N/A N/A N/A Estimated future benefit payments, including only estimated employer contributions for the postretirement plan, which reflect expected future service, are as follows: (In Thousands) Pension Postretirement 2016 $ 250 $ 92 2017 15 96 2018 14 102 2019 39 105 2020 13 110 2021-2025 214 550 No estimated minimum contribution to the defined benefit pension plan is required in 2016, though the Corporation may make discretionary contributions. The expected return on pension plan (Citizens Trust Company Retirement Plan) assets is a significant assumption used in the calculation of net periodic benefit cost. This assumption reflects the average long-term rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the projected benefit obligation. The fair values of pension plan assets at December 31, 2015 and 2014 are as follows: 2015 2014 Cash and cash equivalents 2 % 3 % Debt securities 38 % 37 % Equity securities 46 % 47 % Alternative funds 14 % 13 % Total 100 % 100 % C&N Bank’s Trust and Financial Management Department manages the investment of the Citizens Trust Company Retirement Plan (pension plan) assets. Most of the Plan’s securities are mutual funds, including mutual funds principally invested in debt securities, mutual funds invested in a diversified mix of large, mid- and small-capitalization U.S. stocks, foreign stocks, and mutual funds invested in alternative asset classes such as real estate, commodities, and inflation-protected securities. The fair values of plan assets are determined based on Level 1 inputs (as described in Note 6). At December 31, 2015, the targeted asset allocation for the pension plan was 46% equity securities, 38% debt securities, 14% alternative assets, and 2% cash. At December 31, 2014, the targeted asset allocation for the pension plan was 26% equity securities, 61% debt securities, 11% alternative assets and 2% cash. The pension plan’s assets do not include any shares of the Corporation’s common stock. PROFIT SHARING AND DEFERRED COMPENSATION PLANS The Corporation has a profit sharing plan that incorporates the deferred salary savings provisions of Section 401(k) of the Internal Revenue Code. The Corporation’s matching contributions to the Plan depend upon the tax deferred contributions of employees. The Corporation’s total basic and matching contributions were $609,000 in 2015, $595,000 in 2014 and $557,000 in 2013. The Corporation has an Employee Stock Ownership Plan (ESOP). Contributions to the ESOP are discretionary, and the ESOP uses funds contributed to purchase Corporation stock for the accounts of ESOP participants. These purchases are made on the market (not directly from the Corporation), and employees are not permitted to purchase Corporation stock under the ESOP. The ESOP includes a diversification feature, which allows participants, upon reaching age 55 and 10 years of service (as defined), to sell up to 50% of their Corporation shares back to the ESOP over a period of 6 years. As of December 31, 2015 and 2014, there were no shares allocated for repurchase by the ESOP. Dividends paid on shares held by the ESOP are charged to retained earnings. All Corporation shares owned through the ESOP are included in the calculation of weighted-average shares outstanding for purposes of calculating earnings per share - basic and diluted. The ESOP held 410,004 shares of Corporation stock at December 31, 2015 and 409,197 shares at December 31, 2014, all of which had been allocated to Plan participants. The Corporation’s contributions to the ESOP totaled $522,000 in 2015, $512,000 in 2014 and $509,000 in 2013. The Corporation has a nonqualified supplemental deferred compensation arrangement with its key officers. Charges to operating expense for officers’ supplemental deferred compensation were $167,000 in 2015, $138,000 in 2014 and $186,000 in 2013. In December 2015, the Corporation established an additional nonqualified deferred compensation plan that allows selected officers, beginning in 2016, the option to defer receipt of cash compensation, including base salary and any cash bonuses or other cash incentives. This nonqualified deferred compensation plan does not provide for Corporation contributions. STOCK-BASED COMPENSATION PLANS The Corporation has a Stock Incentive Plan for a selected group of senior officers. A total of 850,000 shares of common stock may be issued under the Stock Incentive Plan. Awards may be made under the Stock Incentive Plan in the form of qualified options (“Incentive Stock Options,” as defined in the Internal Revenue Code), nonqualified options, stock appreciation rights or restricted stock. Historically through December 31, 2015, all awards made under this Plan have consisted of Incentive Stock Options or restricted stock. Incentive Stock Options have an exercise price equal to the market value of the stock at the date of grant, vest after 6 months and expire after 10 years. Restricted stock awards issued under the Stock Incentive Plan vest ratably over terms ranging from 3-4 years. Restricted stock awards in 2015 included the following: (1) a total of 20,298 shares to employees, vesting over a four-year term, with vesting contingent upon the Corporation meeting an annual return on average equity (“ROAE”) performance ratio, as defined; (2) a total of 2,198 shares to employees, vesting over a four-year term, with vesting dependent on satisfactory performance; and (3) an award to the Chief Executive Officer of 5,174 shares, vesting over a three-year term, with vesting dependent on satisfactory performance. Most of the restricted stock awards issued under this Plan in 2015, 2014 and 2013 include a condition that the Corporation must meet an annual targeted return on average equity (“ROAE”) performance ratio, as defined, in order for participants to vest. The Corporation met the ROAE target for the 2015, 2014 and 2013 plan years. For 2015 and 2014 restricted stock awards to individuals who are substantially involved in mortgage lending, vesting is not dependent on the Corporation’s ROAE. There are 294,275 shares available for issuance under the Stock Incentive Plan as of December 31, 2015. Also, the Corporation has an Independent Directors Stock Incentive Plan. This plan permits awards of nonqualified stock options and/or restricted stock to non-employee directors. A total of 135,000 shares of common stock may be issued under the Independent Directors Stock Incentive Plan. The recipients’ rights to exercise stock options under this plan expire 10 years from the date of grant. The exercise prices of all stock options awarded under the Independent Directors Stock Incentive Plan are equal to market value as of the dates of grant. In 2015, a total of 7,130 restricted shares were granted under the Independent Directors Stock Incentive Plan, vesting over a term of one year. Restricted stock awards granted under the Independent Directors Stock Incentive Plan in 2014 and 2013 vest ratably over 3 years. There are 29,702 shares available for issuance under the Independent Directors Stock Incentive Plan as of December 31, 2015. There were no stock options granted in 2015. The Corporation recorded stock option expense in 2014 and 2013 based on estimated fair value calculated using the Black-Scholes-Merton option-pricing model with the following assumptions: 2014 2013 Volatility 39 % 41 % Expected option lives (Years) 8 8 Risk-free interest rate 2.85 % 1.60 % Dividend yield 4.33 % 3.69 % Management estimated the lives for options based on the Corporation’s average historical experience with both plans. The Corporation utilized its historical volatility and dividend yield over the immediately prior 8-year period to estimate future levels of volatility and dividend yield for the 2014 and 2013 awards. The risk-free interest rate was based on the published yield of zero-coupon U.S. Treasury strips as of the grant date, with a maturity coinciding with the estimated option lives. Total stock-based compensation expense is as follows: (In Thousands) 2015 2014 2013 Stock options $ 0 $ 153 $ 242 Restricted stock 606 412 454 Total $ 606 $ 565 $ 696 A summary of stock option activity is presented below: 2015 2014 2013 Weighted Weighted Weighted Average Average Average Exercise Exercise Exercise Shares Price Shares Price Shares Price Outstanding, beginning of year 316,157 $ 19.05 358,176 $ 19.03 337,670 $ 19.08 Granted 0 39,027 $ 20.45 64,050 $ 19.21 Exercised (29,557 ) $ 17.56 (50,415 ) $ 17.57 (10,656 ) $ 17.22 Forfeited (20,211 ) $ 19.76 (16,424 ) $ 20.03 (14,135 ) $ 20.13 Expired (17,903 ) $ 27.00 (14,207 ) $ 26.59 (18,753 ) $ 20.73 Outstanding, end of year 248,486 $ 18.59 316,157 $ 19.05 358,176 $ 19.03 Options exercisable at year-end 248,486 $ 18.59 316,157 $ 19.05 358,176 $ 19.03 Weighted-average fair value of options granted N/A $ 5.50 $ 5.56 Weighted-average fair value of options forfeited $ 4.86 $ 4.89 $ 3.77 The weighted-average remaining contractual term of outstanding stock options at December 31, 2015 was 4.6 years. The aggregate intrinsic value of stock options outstanding (excluding options issued at exercise prices greater than the final closing price of the Corporation’s stock in 2015) was $629,000 at December 31, 2015. The total intrinsic value of options exercised was $77,000 in 2015, $90,000 in 2014 and $29,000 in 2013. The following summarizes non-vested restricted stock activity for the year ended December 31, 2015: Restricted Stock Weighted Average Number Grant Date of Shares Fair Value Outstanding, December 31, 2014 52,436 $ 19.34 Granted 34,800 $ 20.63 Vested (21,522 ) $ 19.16 Forfeited (3,502 ) $ 20.08 Outstanding, December 31, 2015 62,212 $ 20.10 Compensation cost related to restricted stock is recognized based on the market price of the stock at the grant date over the vesting period. As of December 31, 2015, there was $645,000 total unrecognized compensation costs related to restricted stock, which is expected to be recognized over a weighted average period of 1.7 years. In the first two months of 2016, the Corporation awarded 27,593 shares of restricted stock under the Stock Incentive Plan and 6,606 shares of restricted stock under the Independent Directors Stock Incentive Plans. The 2016 restricted stock awards under the Stock Incentive Plan vest ratably over three years, and vesting for 8,645 of the restricted shares depends on the Corporation meeting a ROAE target each year. The 2016 restricted stock issued under the Independent Directors Stock Incentive Plan vests over one year. Total estimated stock-based compensation for 2016 is $651,000. The restricted stock awards made in the first two months of 2016 are not included in the tables above. The Corporation has issued shares from treasury stock for almost all stock option exercises through December 31, 2015. Management does not anticipate that stock repurchases will be necessary to accommodate stock option exercises in 2016.

Note 14 - Income Taxes

Note 14 - Income Taxes	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	14. INCOME TAXES The net deferred tax asset at December 31, 2015 and 2014 represents the following temporary difference components: December 31, December 31, (In Thousands) 2015 2014 Deferred tax assets: Net realized losses on securities $ 69 $ 144 Allowance for loan losses 2,761 2,568 Credit for alternative minimum tax paid 0 537 Other deferred tax assets 2,634 2,595 Total deferred tax assets 5,464 5,844 Deferred tax liabilities: Unrealized holding gains on securities 1,342 2,844 Defined benefit plans - ASC 835 19 43 Bank premises and equipment 869 1,134 Core deposit intangibles 11 18 Other deferred tax liabilities 108 137 Total deferred tax liabilities 2,349 4,176 Deferred tax asset, net $ 3,115 $ 1,668 The provision for income taxes includes the following: (In thousands) 2015 2014 2013 Currently payable $ 5,097 $ 4,280 $ 4,125 Tax expense resulting from allocations of certain tax benefits to equity or as a reduction in other assets 161 158 219 Deferred 79 1,254 1,839 Total provision $ 5,337 $ 5,692 $ 6,183 A reconciliation of income tax at the statutory rate to the Corporation’s effective rate is as follows (amounts in thousands): (Amounts in thousands) 2015 2014 2013 Amount % Amount % Amount % Expected provision $ 7,633 35.00 $ 7,972 35.00 $ 8,672 35.00 Tax-exempt interest income (1,914 ) (8.78 ) (1,982 ) (8.70 ) (2,137 ) (8.62 ) Nondeductible interest expense 51 0.23 56 0.25 60 0.24 Dividends received deduction (75 ) (0.34 ) (79 ) (0.35 ) (76 ) (0.31 ) Increase in cash surrender value of life insurance (135 ) (0.62 ) (132 ) (0.58 ) (140 ) (0.57 ) Employee stock option compensation 0 0.00 41 0.18 67 0.27 Tax benefit from limited partnership investment (80 ) (0.37 ) (83 ) (0.36 ) (85 ) (0.34 ) Other, net (143 ) (0.66 ) (101 ) (0.44 ) (178 ) (0.72 ) Effective income tax provision $ 5,337 24.47 $ 5,692 24.99 $ 6,183 24.95 The Corporation has investments in three limited partnerships that manage affordable housing projects that have qualified for the federal low-income housing tax credit. The Corporation’s expected return from these investments is based on the receipt of tax credits and tax benefits from deductions of operating losses. The Corporation uses the effective yield method to account for these investments, with the benefits recognized as a reduction of the provision for income taxes. For two of the three limited partnership investments, the tax credits have been received in full in prior years, and the Corporation has fully realized the benefits of the credits and amortized its initial investments in the partnerships. The most recent affordable housing project was completed in 2013, and the Corporation received tax credits in 2013 and 2014 and expects to continue to receive tax credits annually through 2022. The carrying amount of the Corporation’s investment is $812,000 at December 31, 2015 and $906,000 at December 31, 2014 (included in Other Assets in the consolidated balance sheets). For 2015, the estimated amount of tax credits and other tax benefits to be received is $158,000 and the amount recognized as a reduction of the provision for income taxes is $80,000. In 2014, the Corporation received tax credits and other tax benefits totaling $159,000, and recognized a reduction of the provision for income tax of $83,000. In 2013, the Corporation received tax credits and other tax benefits totaling $160,000, and recognized a reduction of the provision for income tax of $85,000. The Corporation has no unrecognized tax benefits, nor pending examination issues related to tax positions taken in preparation of its income tax returns. With limited exceptions, the Corporation is no longer subject to examination by the Internal Revenue Service for years prior to 2011.

Note 15 - Related Party Transac

Note 15 - Related Party Transactions	12 Months Ended
	Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	15. RELATED PARTY TRANSACTIONS Loans to executive officers, directors of the Corporation and its subsidiaries and any associates of the foregoing persons are as follows: (In Thousands) Beginning New Other Ending Balance Loans Repayments Changes Balance 11 directors, 7 executive officers 2015 $ 12,023 $ 52 $ (808 ) $ (1,021 ) $ 10,246 12 directors, 8 executive officers 2014 12,547 188 (1,358 ) 646 12,023 11 directors, 8 executive officers 2013 14,125 1,110 (2,723 ) 35 12,547 In the table above, other changes represent net changes in the balance of in existing lines of credit and transfers in and out of the related party category. Deposits from related parties held by the Corporation amounted to $3,194,000 at December 31, 2015 and $3,203,000 at December 31, 2014.

Note 16 - Off-balance Sheet Ris

Note 16 - Off-balance Sheet Risk	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block Supplement [Abstract]
Supplemental Balance Sheet Disclosures [Text Block]	16. OFF-BALANCE SHEET RISK The Corporation is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financial needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. These instruments involve, to varying degrees, elements of credit, interest rate or liquidity risk in excess of the amount recognized in the consolidated balance sheet. The contract amounts of these instruments express the extent of involvement the Corporation has in particular classes of financial instruments. The Corporation’s exposure to credit loss from nonperformance by the other party to the financial instruments for commitments to extend credit and standby letters of credit is represented by the contractual amount of these instruments. The Corporation uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. Financial instruments whose contract amounts represent credit risk at December 31, 2015 and 2014 are as follows: (In Thousands) 2015 2014 Commitments to extend credit $ 156,407 $ 143,863 Standby letters of credit 13,340 13,415 Commitments to extend credit are legally binding agreements to lend to customers. Commitments generally have fixed expiration dates or other termination clauses and may require payment of fees. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future liquidity requirements. The Corporation evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Corporation, for extensions of credit is based on management’s credit assessment of the counterparty. Standby letters of credit are conditional commitments issued by the Corporation guaranteeing performance by a customer to a third party. Those guarantees are issued primarily to support public and private borrowing arrangements, including commercial paper, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Some of the standby letters of credit are collateralized by real estate or other assets, and others are unsecured. The extent to which proceeds from liquidation of collateral would be expected to cover the maximum potential amount of future payments related to standby letters of credit is not estimable. The Corporation has recorded no liability associated with standby letters of credit as of December 31, 2015 and 2014. Standby letters of credit as of December 31, 2015 expire as follows: Amount Year of Expiration (In Thousands) 2016 $ 10,767 2017 371 2019 40 2021 and Thereafter 2,162 Total $ 13,340

Note 17 - Contingencies

Note 17 - Contingencies	12 Months Ended
	Dec. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	17. CONTINGENCIES In the normal course of business, the Corporation is subject to pending and threatened litigation in which claims for monetary damages are asserted. In management’s opinion, the Corporation’s financial position and results of operations would not be materially affected by the outcome of these legal proceedings.

Note 18 - Regulatory Matters

Note 18 - Regulatory Matters	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Regulatory Capital Requirements under Banking Regulations [Text Block]	18. REGULATORY MATTERS The Corporation (on a consolidated basis) and C&N Bank are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory - and possibly additional discretionary - actions by regulators that, if undertaken, could have a direct material effect on the Corporation’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Corporation and C&N Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items as calculated under regulatory accounting practices. The capital amounts and classification 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 the Corporation and C&N Bank to maintain minimum amounts and ratios (set forth in the following table) of total capital, Tier I capital (as defined in the regulations) and Common equity Tier 1 capital (as defined) to risk-weighted assets (as defined) and of Tier I capital (as defined) to average assets (as defined). Management believes, as of December 31, 2015 and 2014, that the Corporation and C&N Bank meet all capital adequacy requirements to which they are subject. To be categorized as well capitalized, an institution must maintain minimum total risk based, Tier I risk based, Common equity risk based and Tier I leverage ratios as set forth in the following table. The Corporation’s and C&N Bank’s actual capital amounts and ratios are also presented in the following table: (Dollars in Thousands) Minimum To Be Well Minimum Capitalized Under Capital Prompt Corrective Actual Requirement Action Provisions Amount Ratio Amount Ratio Amount Ratio December 31, 2015: Total capital to risk-weighted assets: Consolidated $ 181,216 24.40 % $ 59,424 > % $ 74,281 > % C&N Bank 161,187 21.83 % 59,058 > % 73,823 > % Tier 1 capital to risk-weighted assets: Consolidated 173,009 23.29 % 29,712 > % 59,424 > % C&N Bank 153,298 20.77 % 29,529 > % 59,058 > % Common equity tier 1 capital to risk-weighted assets: Consolidated 173,009 23.29 % 29,712 > % 48,282 > % C&N Bank 153,298 20.77 % 29,529 > % 47,985 > % Tier 1 capital to average assets: Consolidated 173,009 14.31 % 48,355 > % 60,444 > % C&N Bank 153,298 12.81 % 47,861 > % 59,826 > % December 31, 2014: Total capital to risk-weighted assets: Consolidated $ 179,588 27.60 % $ 52,051 > % n/a n/a C&N Bank 156,420 24.33 % 51,442 > % $ 64,303 > % Tier 1 capital to risk-weighted assets: Consolidated 170,880 26.26 % 26,026 > % n/a n/a C&N Bank 149,055 23.18 % 25,721 > % 38,582 > % Tier 1 capital to average assets: Consolidated 170,880 13.89 % 49,224 > % n/a n/a C&N Bank 149,055 12.22 % 48,798 > % 60,998 > % In July 2013, the federal regulatory authorities issued a new capital rule based, in part, on revisions developed by the Basel Committee on Banking Supervision to the Basel capital framework (Basel III). The Corporation and C&N Bank became subject to the new rule effective January 1, 2015. Generally, the new rule implements higher minimum capital requirements, revises the definition of regulatory capital components and related calculations, adds a new common equity tier 1 capital ratio, implements a new capital conservation buffer, increases the risk weighting for past due loans and provides a transition period for several aspects of the new rule. The current (new) capital rule provides that, in order to avoid limitations on capital distributions, including dividend payments and certain discretionary bonus payments to executive officers, a banking organization must hold a capital conservation buffer composed of common equity tier 1 capital above its minimum risk-based capital requirements. The buffer is measured relative to risk-weighted assets. Phase-in of the capital conservation buffer requirements will begin January 1, 2016. The transition schedule for new ratios, including the capital conservation buffer, is as follows: As of January 1: 2015 2016 2017 2018 2019 Minimum common equity tier 1 capital ratio 4.5 % 4.5 % 4.5 % 4.5 % 4.5 % Common equity tier 1 capital conservation buffer N/A 0.625 % 1.25 % 1.875 % 2.5 % Minimum common equity tier 1 capital ratio plus capital conservation buffer 4.5 % 5.125 % 5.75 % 6.375 % 7.0 % Phase-in of most deductions from common equity tier 1 capital 40 % 60 % 80 % 100 % 100 % Minimum tier 1 capital ratio 6.0 % 6.0 % 6.0 % 6.0 % 6.0 % Minimum tier 1 capital ratio plus capital conservation buffer N/A 6.625 % 7.25 % 7.875 % 8.5 % Minimum total capital ratio 8.0 % 8.0 % 8.0 % 8.0 % 8.0 % Minimum total capital ratio plus capital conservation buffer N/A 8.625 % 9.25 % 9.875 % 10.5 % As fully phased in, a banking organization with a buffer greater than 2.5% would not be subject to additional limits on dividend payments or discretionary bonus payments; however, a banking organization with a buffer less than 2.5% would be subject to increasingly stringent limitations as the buffer approaches zero. The new rule also prohibits a banking organization from making dividend payments or discretionary bonus payments if its eligible retained income is negative in that quarter and its capital conservation buffer ratio was less than 2.5% as of the beginning of that quarter. Eligible net income is defined as net income for the four calendar quarters preceding the current calendar quarter, net of any distributions and associated tax effects not already reflected in net income. A summary of payout restrictions based on the capital conservation buffer is as follows: Capital Conservation Buffer Maximum Payout (as a % of risk-weighted assets) (as a % of eligible retained income) Greater than 2.5% No payout limitation applies ≤2.5% and >1.875% 60% ≤1.875% and >1.25% 40% ≤1.25% and >0.625% 20% ≤0.625% 0% Banking regulators limit the amount of dividends that may be paid by C&N Bank to the Corporation. Retained earnings against which dividends may be paid without prior approval of the banking regulators amounted to approximately $87,471,000 at December 31, 2015, subject to the minimum capital ratio requirements noted above. Restrictions imposed by federal law prohibit the Corporation from borrowing from C&N Bank unless the loans are secured in specific amounts. Such secured loans to the Corporation are generally limited to 10% of C&N Bank’s tangible stockholder’s equity (excluding accumulated other comprehensive income) or $15,733,000 at December 31, 2015.

Note 19 - Parent Company Only

Note 19 - Parent Company Only	12 Months Ended
	Dec. 31, 2015
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Condensed Financial Information of Parent Company Only Disclosure [Text Block]	19. PARENT COMPANY ONLY The following is condensed financial information for Citizens & Northern Corporation: CONDENSED BALANCE SHEET December 31, (In Thousands) 2015 2014 ASSETS Cash $ 5,847 $ 9,624 Investment in subsidiaries: Citizens & Northern Bank 167,277 164,551 Citizens & Northern Investment Corporation 10,966 10,822 Bucktail Life Insurance Company 3,392 3,336 Other assets 24 36 TOTAL ASSETS $ 187,506 $ 188,369 LIABILITIES AND STOCKHOLDERS' EQUITY Other liabilities $ 19 $ 7 Stockholders' equity 187,487 188,362 TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 187,506 $ 188,369 CONDENSED INCOME STATEMENT (In Thousands) 2015 2014 2013 Dividends from Citizens & Northern Bank $ 11,569 $ 22,608 $ 11,108 Expenses (234 ) (112 ) (108 ) Income before equity in undistributed income of subsidiaries 11,335 22,496 11,000 Equity in undistributed income (loss) of subsidiaries 5,136 (5,410 ) 7,594 NET INCOME $ 16,471 $ 17,086 $ 18,594 CONDENSED STATEMENT OF CASH FLOWS (In Thousands) 2015 2014 2013 CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 16,471 $ 17,086 $ 18,594 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed net (income) loss of subsidiaries (5,136 ) 5,410 (7,594 ) Decrease (increase) in other assets 12 (36 ) 7 Increase in other liabilities 12 1 0 Net Cash Provided by Operating Activities 11,359 22,461 11,007 CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from sale of treasury stock 381 123 184 Tax benefit from compensation plans, net 143 137 127 Purchase of treasury stock (4,415 ) (4,002 ) 0 Dividends paid (11,245 ) (11,392 ) (10,916 ) Net Cash (Used in) Financing Activities (15,136 ) (15,134 ) (10,605 ) (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS (3,777 ) 7,327 402 CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR 9,624 2,297 1,895 CASH AND CASH EQUIVALENTS, END OF YEAR $ 5,847 $ 9,624 $ 2,297

Note 20 - Summary of Quarterly

Note 20 - Summary of Quarterly Consolidated Financial Data (Unaudited)	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Information [Text Block]	20. SUMMARY OF QUARTERLY CONSOLIDATED FINANCIAL DATA (Unaudited) The following table presents summarized quarterly financial data for 2015 and 2014: (In Thousands Except Per Share Data) (Unaudited) 2015 Quarter Ended Mar. 31, June 30, Sept. 30, Dec. 31, Interest income $ 11,163 $ 11,186 $ 11,134 $ 11,036 Interest expense 1,213 1,176 1,126 1,087 Net interest income 9,950 10,010 10,008 9,949 Provision for loan losses 3 221 302 319 Net interest income after provision for loan losses 9,947 9,789 9,706 9,630 Other income 3,487 3,962 3,961 3,994 Net gains on available-for-sale securities 74 932 79 1,776 Loss on prepayment of borrowings 0 910 0 1,663 Other expenses 8,464 7,964 8,117 8,411 Income before income tax provision 5,044 5,809 5,629 5,326 Income tax provision 1,229 1,452 1,395 1,261 Net income $ 3,815 $ 4,357 $ 4,234 $ 4,065 Net income per share – basic $ 0.31 $ 0.36 $ 0.35 $ 0.33 Net income per share – diluted $ 0.31 $ 0.36 $ 0.35 $ 0.33 2014 Quarter Ended Mar. 31, June 30, Sept. 30, Dec. 31, Interest income $ 11,406 $ 11,563 $ 11,572 $ 11,468 Interest expense 1,288 1,290 1,287 1,257 Net interest income 10,118 10,273 10,285 10,211 (Credit) provision for loan losses (311 ) 446 218 123 Net interest income after (credit) provision for loan losses 10,429 9,827 10,067 10,088 Other income 3,751 3,980 3,887 3,802 Net gains on available-for-sale securities 31 103 760 210 Other expenses 8,524 8,347 9,036 8,250 Income before income tax provision 5,687 5,563 5,678 5,850 Income tax provision 1,399 1,400 1,411 1,482 Net income $ 4,288 $ 4,163 $ 4,267 $ 4,368 Net income per share – basic $ 0.35 $ 0.33 $ 0.34 $ 0.36 Net income per share – diluted $ 0.34 $ 0.33 $ 0.34 $ 0.35

Accounting Policies, by Policy

Accounting Policies, by Policy (Policies)	12 Months Ended
	Dec. 31, 2015
Accounting Policies [Abstract]
Consolidation, Policy [Policy Text Block]	BASIS OF CONSOLIDATION -
Nature of Operations Policy [Policy Text Block]	NATURE OF OPERATIONS - The Corporation provides Trust and Financial Management services, including administration of trusts and estates, retirement plans, and other employee benefit plans, and investment management services. The Corporation offers a variety of personal and commercial insurance products through C&N Financial Services Corporation. C&N Financial Services Corporation also offers mutual funds, annuities, educational savings accounts and other investment products through registered agents. Management has determined that the Corporation has one reportable segment, “Community Banking.” All of the Corporation’s activities are interrelated, and each activity is dependent and assessed based on how each of the activities of the Corporation supports the others. The Corporation is subject to competition from other financial institutions. It is also subject to regulation by certain federal and state agencies and undergoes periodic examination by those regulatory authorities. As a consequence, the Corporation’s business is particularly susceptible to being affected by future federal and state legislation and regulations.
Use of Estimates, Policy [Policy Text Block]	USE OF ESTIMATES - Material estimates that are particularly susceptible to change include: (1) the allowance for loan losses, (2) fair values of debt securities based on estimates from independent valuation services or from brokers, (3) assessment of impaired securities to determine whether or not the securities are other-than-temporarily impaired, (4) valuation of deferred tax assets and (5) valuation of obligations from defined benefit plans
Marketable Securities, Policy [Policy Text Block]	INVESTMENT SECURITIES - Available-for-sale securities - Other-than-temporary impairment Restricted equity securities
Finance, Loan and Lease Receivables, Held-for-sale, Policy [Policy Text Block]	LOANS HELD FOR SALE
Finance, Loans and Leases Receivable, Policy [Policy Text Block]	LOANS RECEIVABLE - The loans receivable portfolio is segmented into residential mortgage, commercial and consumer loans. The residential mortgage segment includes the following classes: first and junior lien residential mortgages, home equity lines of credit and residential construction loans. The most significant classes of commercial loans are commercial loans secured by real estate, non-real estate secured commercial and industrial loans, loans to political subdivisions, commercial construction, and loans secured by farmland. Loans are placed on nonaccrual status for all classes of loans when, in the opinion of management, collection of interest is doubtful. Any unpaid interest previously accrued on those loans is reversed from income. Interest income is not recognized on specific impaired loans unless the likelihood of further loss is remote. Interest payments received on loans for which the risk of further loss is greater than remote are applied as a reduction of the loan principal balance. Interest income on other nonaccrual loans is recognized only to the extent of interest payments received. Generally, loans are restored to accrual status when the obligation is brought current, has performed in accordance with the contractual terms for a reasonable period of time (generally six months) and the ultimate collectability of the total contractual principal and interest is no longer in doubt. The past due status of all classes of loans receivable is determined based on contractual due dates for loan payments. Also, the amortization of deferred loan fees is discontinued when a loan is placed on nonaccrual status.
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]	ALLOWANCE FOR LOAN LOSSES The allowance for loan losses is maintained at a level considered adequate to provide for losses that can be reasonably anticipated. Management performs a quarterly evaluation of the adequacy of the allowance. The allowance is based on the Corporation’s past loan loss experience, known and inherent risks in the portfolio, adverse situations that may affect the borrower’s ability to repay, the estimated value of any underlying collateral, composition of the loan portfolio, current economic conditions and other relevant factors. This evaluation is inherently subjective as it requires material estimates that may be susceptible to significant revision as more information becomes available. In addition, various regulatory agencies, as an integral part of their examination process, periodically review the Corporation’s allowance for loan losses. Such agencies may require the Corporation to recognize adjustments to the allowance based on their judgments of information available to them at the time of their examination. In the process of evaluating the loan portfolio, management also considers the Corporation’s exposure to losses from unfunded loan commitments. As of December 31, 2015 and 2014, management determined that no allowance for credit losses related to unfunded loan commitments was required. The allowance consists primarily of two major components – (1) a specific component based on a detailed assessment of certain larger loan relationships, mainly commercial purpose, determined on a loan-by-loan basis; and (2) a general component for the remainder of the portfolio based on a collective evaluation of pools of loans with similar risk characteristics. The general component is assigned to each pool of loans based on both historical net charge-off experience, and an evaluation of certain qualitative factors. An unallocated component is maintained to cover uncertainties that could affect management’s estimate of probable losses. The unallocated component of the allowance reflects the margin of imprecision inherent in the underlying assumptions used in the above methodologies for estimating specific and general losses in the portfolio. The specific component relates to loans that are classified as impaired based on a detailed assessment of certain larger loan relationships evaluated by a management committee referred to as the Watch List Committee. Specific loan relationships are identified for evaluation based on the related credit risk rating. For individual loans classified as impaired, an allowance is established when the collateral value less estimated selling costs, present value of discounted cash flows or observable market price of the impaired loan is lower than the carrying value of that loan. The general component covers pools of loans by loan class including commercial loans not considered individually impaired, as well as smaller balance homogeneous classes of loans, such as residential real estate, home equity lines of credit and other consumer loans. Accordingly, the Corporation generally does not separately identify individual consumer and residential loans for impairment disclosures, unless such loans are subject to a restructuring agreement. The pools of loans for each loan segment are evaluated for loss exposure based upon average historical net charge-off rates (currently thirty-six months), adjusted for qualitative factors. Qualitative risk factors (described in the following paragraph) are evaluated for the impact on each of the three distinct segments (residential mortgage, commercial and consumer) within the loan portfolio. Each qualitative factor is assigned a value to reflect improving, stable or declining conditions based on management’s judgment using relevant information available at the time of the evaluation. Any adjustments to the factors are supported by a narrative documentation of changes in conditions accompanying the allowance for loan loss calculation. The qualitative factors used in the general component calculations are designed to address credit risk characteristics associated with each segment. The Corporation’s credit risk associated with all of the segments is significantly impacted by these factors, which include economic conditions within its market area, the Corporation’s lending policies, changes or trends in the portfolio, risk profile, competition, regulatory requirements and other factors. Further, the residential mortgage segment is significantly affected by the values of residential real estate that provide collateral for the loans. The majority of the Corporation’s commercial segment loans (approximately 57% at December 31, 2015) are secured by real estate, and accordingly, the Corporation’s risk for the commercial segment is significantly affected by commercial real estate values. The consumer segment includes a wide mix of loans for different purposes, primarily secured loans, including loans secured by motor vehicles, manufactured housing and other types of collateral. Loans are classified as impaired when, based on current information and events, it is probable that the Corporation will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record and the amount of shortfall in relation to the principal and interest owed. Impairment is measured on a loan-by-loan basis for commercial loans by the fair value of the collateral (if the loan is collateral dependent), by future cash flows discounted at the loan’s effective rate or by the loan’s observable market price. For commercial loans secured by real estate, estimated fair values are determined primarily through third-party appraisals. When a real estate secured loan becomes impaired, a decision is made regarding whether an updated certified appraisal of the real estate is necessary. This decision is based on various considerations, including the age of the most recent appraisal, the loan-to-value ratio based on the original appraisal and the condition of the property. Appraised values are discounted to arrive at the estimated selling price of the collateral, which is considered to be the estimated fair value. The discounts also include estimated costs to sell the property. For commercial and industrial loans secured by non-real estate collateral, such as accounts receivable, inventory and equipment, estimated fair values are determined based on the borrower’s financial statements, inventory reports, accounts receivable agings or equipment appraisals or invoices. Indications of value from these sources are generally discounted based on the age of the financial information or the quality of the assets. Loans whose terms are modified are classified as troubled debt restructurings if the Corporation grants such borrowers concessions and it is deemed that those borrowers are experiencing financial difficulty. Concessions granted under a troubled debt restructuring generally involve reductions in required payments, an extension of a loan’s stated maturity date or a temporary reduction in interest rate. Non-accrual troubled debt restructurings may be restored to accrual status if principal and interest payments, under the modified terms, are current for six consecutive months after modification. Loans classified as troubled debt restructurings are designated as impaired.
Property, Plant and Equipment, Policy [Policy Text Block]	BANK PREMISES AND EQUIPMENT
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	IMPAIRMENT OF LONG-LIVED ASSETS
Interest Expense, Policy [Policy Text Block]	INTEREST COSTS
Finance, Loan and Lease Receivables, Held for Investments, Foreclosed Assets Policy [Policy Text Block]	FORECLOSED ASSETS HELD FOR SALE
Goodwill and Intangible Assets, Policy [Policy Text Block]	GOODWILL AND CORE DEPOSIT INTANGIBLE ASSETS - Goodwill represents the excess of the cost of acquisitions over the fair value of the net assets acquired. Goodwill is tested at least annually for impairment, or more often if events or circumstances indicate there may be impairment. Core deposit intangibles are being amortized over periods of time that represent the expected lives using a method of amortization that reflects the pattern of economic benefit. Core deposit intangibles are subject to impairment testing whenever events or changes in circumstances indicate their carrying amounts may not be recoverable .
Transfers and Servicing of Financial Assets, Policy [Policy Text Block]	SERVICING RIGHTS
Income Tax, Policy [Policy Text Block]	INCOME TAXES Tax benefits from investments in limited partnerships that have qualified for federal low-income tax credits are recognized as a reduction in the provision for income tax over the term of the investment using the effective yield method. The Corporation includes income tax penalties in the provision for income tax. The Corporation has no accrued interest related to unrecognized tax benefits.
Compensation Related Costs, Policy [Policy Text Block]	STOCK COMPENSATION PLANS The fair value of each stock option is estimated on the date of grant using the Black-Scholes-Merton option valuation model. The fair value of restricted stock is based on the current market price on the date of grant.
Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block]	OFF-BALANCE SHEET FINANCIAL INSTRUMENTS -
Cash and Cash Equivalents, Policy [Policy Text Block]	CASH FLOWS
Trust Assets And Income [Policy Text Block]	TRUST ASSETS AND INCOME

Note 3 - Comprehensive Income (

Note 3 - Comprehensive Income (Tables)	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Comprehensive Income (Loss) [Table Text Block]	(In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2015 Unrealized losses on available-for-sale securities: Unrealized holding losses on available-for-sale securities $ (1,429 ) $ 500 $ (929 ) Reclassification adjustment for (gains) realized in income (2,861 ) 1,002 (1,859 ) Other comprehensive loss on available-for-sale securities (4,290 ) 1,502 (2,788 ) Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income (135 ) 47 (88 ) Amortization of net transition obligation, prior service cost, net actuarial loss and loss on settlement included in net periodic benefit cost 67 (23 ) 44 Other comprehensive loss on unfunded retirement obligations (68 ) 24 (44 ) Total other comprehensive loss $ (4,358 ) $ 1,526 $ (2,832 ) (In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2014 Unrealized gains on available-for-sale securities: Unrealized holding gains on available-for-sale securities $ 10,774 $ (3,771 ) $ 7,003 Reclassification adjustment for (gains) realized in income (1,104 ) 386 (718 ) Other comprehensive income on available-for-sale securities 9,670 (3,385 ) 6,285 Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income (79 ) 28 (51 ) Amortization of net transition obligation, prior service cost, net actuarial loss and loss on settlement included in net periodic benefit cost 184 (65 ) 119 Other comprehensive income on unfunded retirement obligations 105 (37 ) 68 Total other comprehensive income $ 9,775 $ (3,422 ) $ 6,353 (In Thousands) Before-Tax Income Tax Net-of-Tax Amount Effect Amount 2013 Unrealized (losses) on available-for-sale securities: Unrealized holding losses on available-for-sale securities $ (17,623 ) $ 6,168 $ (11,455 ) Reclassification adjustment for (gains) realized in income (1,718 ) 601 (1,117 ) Other comprehensive loss on available-for-sale securities (19,341 ) 6,769 (12,572 ) Unfunded pension and postretirement obligations: Changes from plan amendments and actuarial gains and losses included in other comprehensive income 885 (310 ) 575 Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost 2 (1 ) 1 Other comprehensive income on unfunded retirement obligations 887 (311 ) 576 Total other comprehensive loss $ (18,454 ) $ 6,458 $ (11,996 )
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	(In Thousands) Unrealized Unfunded Accumulated Holding Gains Pension and Other (Losses) Postretirement Comprehensive on Securities Obligations Income 2015 Balance, beginning of period $ 5,281 $ 79 $ 5,360 Other comprehensive loss before reclassifications (929 ) (88 ) (1,017 ) Amounts reclassified from accumulated other comprehensive income (1,859 ) 44 (1,815 ) Other comprehensive loss (2,788 ) (44 ) (2,832 ) Balance, end of period $ 2,493 $ 35 $ 2,528 2014 Balance, beginning of period $ (1,004 ) $ 11 $ (993 ) Other comprehensive income before reclassifications 7,003 (51 ) 6,952 Amounts reclassified from accumulated other comprehensive income (718 ) 119 (599 ) Other comprehensive income 6,285 68 6,353 Balance, end of period $ 5,281 $ 79 $ 5,360 2013 Balance, beginning of period $ 11,568 $ (565 ) $ 11,003 Other comprehensive (loss) income before reclassifications (11,455 ) 575 (10,880 ) Amounts reclassified from accumulated other comprehensive loss (1,117 ) 1 (1,116 ) Other comprehensive (loss) income (12,572 ) 576 (11,996 ) Balance, end of period $ (1,004 ) $ 11 $ (993 )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]	For the Year Ended December 31, 2015 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale securities $ (2,861 ) Realized gains on available-for-sale securities, net 1,002 Income tax provision (1,859 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 11 Pensions and other employee benefits Loss on settlement 87 Pensions and other employee benefits 67 Total before tax (23 ) Income tax provision 44 Net of tax Total reclassifications for the period $ (1,815 ) For the Year Ended December 31, 2014 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale securities $ (1,104 ) Realized gains on available-for-sale securities, net 386 Income tax provision (718 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 19 Pensions and other employee benefits Loss on settlement 196 Pensions and other employee benefits 184 Total before tax (65 ) Income tax provision 119 Net of tax Total reclassifications for the period $ (599 ) For the Year Ended December 31, 2013 (In Thousands) Details about Accumulated Other Reclassified from Affected Line Item in the Consolidated Unrealized gains and losses on available-for-sale Securities $ 25 Total other-than-temporary impairment losses on available-for-sale securities (1,743 ) Realized gains on available-for-sale securities, net (1,718 ) Total before tax 601 Income tax provision (1,117 ) Net of tax Amortization of defined benefit pension and postretirement items: Prior service cost (31 ) Pensions and other employee benefits Actuarial loss 33 Pensions and other employee benefits 2 Total before tax (1 ) Income tax provision 1 Net of tax Total reclassifications for the period $ (1,116 )

Note 4 - Per Share Data (Tables

Note 4 - Per Share Data (Tables)	12 Months Ended
	Dec. 31, 2015
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Weighted- Average Earnings Net Common Per Income Shares Share 2015 Earnings per share – basic $ 16,471,000 12,211,941 $ 1.35 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 210,402 Hypothetical share repurchase at $20.04 (188,570 ) Earnings per share – diluted $ 16,471,000 12,233,773 $ 1.35 2014 Earnings per share – basic $ 17,086,000 12,390,067 $ 1.38 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 224,015 Hypothetical share repurchase at $19.41 (202,032 ) Earnings per share – diluted $ 17,086,000 12,412,050 $ 1.38 2013 Earnings per share – basic $ 18,594,000 12,352,383 $ 1.51 Dilutive effect of potential common stock arising from stock options: Exercise of outstanding stock options 250,236 Hypothetical share repurchase at $19.86 (219,829 ) Earnings per share – diluted $ 18,594,000 12,382,790 $ 1.50

Note 5 - Cash and Due from Ba32

Note 5 - Cash and Due from Banks (Tables)	12 Months Ended
	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Schedule of Cash and Cash Equivalents [Table Text Block]	(In thousands) Dec. 31, 2014 Cash and cash equivalents $ 33,313 $ 31,619 Certificates of deposit 2,748 4,428 Total cash and due from banks $ 36,061 $ 36,047

Note 6 - Fair Value Measureme33

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2015
Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Tables) [Line Items]
Fair Value, by Balance Sheet Grouping [Table Text Block]	December 31, 2015 Quoted Prices Other in Active Observable Unobservable Total Markets Inputs Inputs Fair (In Thousands) (Level 1) (Level 2) (Level 3) Value Recurring fair value measurements AVAILABLE-FOR-SALE SECURITIES: Obligations of U.S. Government agencies $ 0 $ 10,483 $ 0 $ 10,483 Obligations of states and political subdivisions: Tax-exempt 0 107,757 0 107,757 Taxable 0 34,597 0 34,597 Mortgage-backed securities 0 73,343 0 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 0 191,715 0 191,715 Collateralized debt obligations 0 9 0 9 Total debt securities 0 417,904 0 417,904 Marketable equity securities 2,386 0 0 2,386 Total available-for-sale securities 2,386 417,904 0 420,290 Servicing rights 0 0 1,296 1,296 Total recurring fair value measurements $ 2,386 $ 417,904 $ 1,296 $ 421,586 Nonrecurring fair value measurements Impaired loans with a valuation allowance $ 0 $ 0 $ 1,933 $ 1,933 Valuation allowance 0 0 (820 ) (820 ) Impaired loans, net 0 0 1,113 1,113 Foreclosed assets held for sale 0 0 1,260 1,260 Total nonrecurring fair value measurements $ 0 $ 0 $ 2,373 $ 2,373 December 31, 2014 Quoted Prices Other in Active Observable Unobservable Total Markets Inputs Inputs Fair (In Thousands) (Level 1) (Level 2) (Level 3) Value Recurring fair value measurements AVAILABLE-FOR-SALE SECURITIES: Obligations of U.S. Government agencies $ 0 $ 26,676 $ 0 $ 26,676 Obligations of states and political subdivisions: Tax-exempt 0 124,839 0 124,839 Taxable 0 33,878 0 33,878 Mortgage-backed securities 0 83,903 0 83,903 Collateralized mortgage obligations, Issued by U.S. Government agencies 0 238,823 0 238,823 Collateralized debt obligations 0 34 0 34 Total debt securities 0 508,153 0 508,153 Marketable equity securities 8,654 0 0 8,654 Total available-for-sale securities 8,654 508,153 0 516,807 Servicing rights 0 0 1,281 1,281 Total recurring fair value measurements $ 8,654 $ 508,153 $ 1,281 $ 518,088 Nonrecurring fair value measurements Impaired loans with a valuation allowance $ 0 $ 0 $ 3,241 $ 3,241 Valuation allowance 0 0 (769 ) (769 ) Impaired loans, net 0 0 2,472 2,472 Foreclosed assets held for sale 0 0 1,189 1,189 Total nonrecurring fair value measurements $ 0 $ 0 $ 3,661 $ 3,661
Fair Value Inputs, Assets, Quantitative Information [Table Text Block]	Asset Fair Value at (In Thousands) Valuation Unobservable Method or Value As of Servicing rights $ 1,296 Discounted cash flow Discount rate 10.00 % Rate used through modeling period Loan prepayment speeds 146.00 % Weighted-average PSA Servicing fees 0.25 % of loan balances 4.00 % of payments are late 5.00 % late fees assessed $ 1.94 Miscellaneous fees per account per month Servicing costs $ 6.00 Monthly servicing cost per account $ 24.00 Additional monthly servicing cost per loan on loans more than 30 days delinquent 1.50 % of loans more than 30 days delinquent 3.00 % annual increase in servicing costs Asset Fair Value at Valuation Unobservable Method or Value As of Servicing rights $ 1,281 Discounted cash flow Discount rate 10.00 % Rate used through modeling period Loan prepayment speeds 156.00 % Weighted-average PSA Servicing fees 0.25 % of loan balances 4.00 % of payments are late 5.00 % late fees assessed $ 1.94 Miscellaneous fees per account per month Servicing costs $ 6.00 Monthly servicing cost per account $ 24.00 Additional monthly servicing cost per loan on loans more than 30 days delinquent 1.50 % of loans more than 30 days delinquent 3.00 % annual increase in servicing costs (In Thousands, Except Value at Percentages) Valuation 12/31/15 Balance at Allowance at Fair Value at Valuation Unobservable (Weighted Asset 12/31/15 12/31/15 12/31/15 Technique Inputs Average) Impaired loans: Residential mortgage loans - first liens $ 42 $ 1 $ 41 Sales comparison Discount to appraised value 31 % Commercial: Commercial loans secured by real estate 317 97 220 Sales comparison Discount to appraised value 46 % Commercial and industrial 75 75 0 Sales comparison Discount to appraised value 31 % Loans secured by farmland 512 52 460 Sales comparison Discount to appraised value 49 % Multi-family (5 or more) residential 987 595 392 Sales comparison Discount to appraised value 41 % Total impaired loans $ 1,933 $ 820 $ 1,113 Foreclosed assets held for sale - real estate: Residential (1-4 family) $ 556 $ 0 $ 556 Sales comparison Discount to appraised value 32 % Land 704 0 704 Sales comparison Discount to appraised value 29 % Total foreclosed assets held for sale $ 1,260 $ 0 $ 1,260 (In Thousands, Except Value at Percentages) Valuation 12/31/14 Balance at Allowance at Fair Value at Valuation Unobservable (Weighted Asset 12/31/14 12/31/14 12/31/14 Technique Inputs Average) Impaired loans: Residential mortgage loans - first liens $ 715 $ 358 $ 357 Sales comparison Discount to appraised value 36 % Commercial: Commercial loans secured by real estate 16 16 0 Sales comparison Discount to appraised value 42 % Commercial and industrial 150 82 68 Sales comparison Discount to appraised value 21 % Commercial construction and land 1,815 211 1,604 Sales comparison Discount to appraised value 30 % Loans secured by farmland 545 102 443 Sales comparison Discount to appraised value 40 % Total impaired loans $ 3,241 $ 769 $ 2,472 Foreclosed assets held for sale - real estate: Residential (1-4 family) $ 306 $ 0 $ 306 Sales comparison Discount to appraised value 42 % Commercial property 159 0 159 Sales comparison Discount to appraised value 23 % Land 724 0 724 Sales comparison Discount to appraised value 29 % Total foreclosed assets held for sale $ 1,189 $ 0 $ 1,189
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]	(In Thousands) Valuation December 31, 2015 December 31, 2014 Method(s) Carrying Fair Carrying Fair Used Amount Value Amount Value Financial assets: Cash and cash equivalents Level 1 $ 33,313 $ 33,313 $ 31,619 $ 31,619 Certificates of deposit Level 2 2,748 2,752 4,428 4,443 Available-for-sale securities See Above 420,290 420,290 516,807 516,807 Restricted equity securities (included in Other Assets) Level 2 4,657 4,657 1,584 1,584 Loans held for sale Level 2 280 280 0 0 Loans, net Level 3 696,991 685,552 623,209 629,267 Accrued interest receivable Level 2 3,768 3,768 3,908 3,908 Servicing rights Level 3 1,296 1,296 1,281 1,281 Financial liabilities: Deposits with no stated maturity Level 2 713,931 713,931 729,052 729,052 Time deposits Level 2 221,684 221,891 238,937 239,712 Short-term borrowings Level 2 53,496 53,398 5,537 5,473 Long-term borrowings Level 2 38,767 40,166 73,060 78,866 Accrued interest payable Level 2 70 70 104 104
Reporting Period 2014 and 2015 [Member]
Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Tables) [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	Years Ended December 31, 2015 2014 (In Thousands) Servicing Servicing Rights Rights Balance, beginning of period $ 1,281 $ 1,123 Issuances of servicing rights 177 185 Unrealized losses included in earnings (162 ) (27 ) Balance, end of period $ 1,296 $ 1,281
Reporting Period 2013 [Member]
Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Tables) [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	Year Ended December 31, 2013 Pooled Trust Pooled Trust Preferred Preferred Securities - Securities - (In Thousands) Senior Mezzanine Servicing Tranches Tranches Rights Total Balance, beginning of period $ 1,613 $ 0 $ 605 $ 2,218 Issuances of servicing rights 0 0 451 451 Accretion and amortization, net (2 ) 0 0 (2 ) Proceeds from sales and calls (1,636 ) (571 ) 0 (2,207 ) Realized gains, net 23 571 0 594 Unrealized gains included in earnings 0 0 67 67 Unrealized gains included in other comprehensive income 2 0 0 2 Balance, end of period $ 0 $ 0 $ 1,123 $ 1,123

Note 7 - Securities (Tables)

Note 7 - Securities (Tables)	12 Months Ended
	Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities [Table Text Block]	December 31, 2015 Gross Gross Unrealized Unrealized Amortized Holding Holding Fair (In Thousands) Cost Gains Losses Value Obligations of U.S. Government agencies $ 10,663 $ 12 $ (192 ) $ 10,483 Obligations of states and political subdivisions: Tax-exempt 103,414 4,365 (22 ) 107,757 Taxable 34,317 381 (101 ) 34,597 Mortgage-backed securities 73,227 486 (370 ) 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 193,145 623 (2,053 ) 191,715 Collateralized debt obligations: 9 0 0 9 Total debt securities 414,775 5,867 (2,738 ) 417,904 Marketable equity securities 1,680 706 0 2,386 Total $ 416,455 $ 6,573 $ (2,738 ) $ 420,290 December 31, 2014 Gross Gross Unrealized Unrealized Amortized Holding Holding Fair (In Thousands) Cost Gains Losses Value Obligations of U.S. Government agencies $ 27,221 $ 38 $ (583 ) $ 26,676 Obligations of states and political subdivisions: Tax-exempt 120,086 5,134 (381 ) 124,839 Taxable 33,637 415 (174 ) 33,878 Mortgage-backed securities 82,479 1,493 (69 ) 83,903 Collateralized mortgage obligations, Issued by U.S. Government agencies 239,620 1,239 (2,036 ) 238,823 Collateralized debt obligations: 34 0 0 34 Total debt securities 503,077 8,319 (3,243 ) 508,153 Marketable equity securities 5,605 3,058 (9 ) 8,654 Total $ 508,682 $ 11,377 $ (3,252 ) $ 516,807
Schedule of Unrealized Loss on Investments [Table Text Block]	December 31, 2015 Less Than 12 Months 12 Months or More Total (In Thousands) Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses Obligations of U.S. Government agencies $ 0 $ 0 $ 7,850 $ (192 ) $ 7,850 $ (192 ) Obligations of states and political subdivisions: Tax-exempt 5,200 (19 ) 216 (3 ) 5,416 (22 ) Taxable 10,605 (60 ) 2,910 (41 ) 13,515 (101 ) Mortgage-backed securities 38,764 (295 ) 3,503 (75 ) 42,267 (370 ) Collateralized mortgage obligations, Issued by U.S. Government agencies 88,355 (648 ) 49,273 (1,405 ) 137,628 (2,053 ) Total temporarily impaired available-for-sale securities $ 142,924 $ (1,022 ) $ 63,752 $ (1,716 ) $ 206,676 $ (2,738 ) December 31, 2014 Less Than 12 Months 12 Months or More Total (In Thousands) Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses Obligations of U.S. Government agencies $ 0 $ 0 $ 24,020 $ (583 ) $ 24,020 $ (583 ) Obligations of states and political subdivisions: Tax-exempt 11,898 (289 ) 6,991 (92 ) 18,889 (381 ) Taxable 4,240 (22 ) 9,159 (152 ) 13,399 (174 ) Mortgage-backed securities 0 0 4,160 (69 ) 4,160 (69 ) Collateralized mortgage obligations, Issued by U.S. Government agencies 58,812 (396 ) 60,897 (1,640 ) 119,709 (2,036 ) Total debt securities 74,950 (707 ) 105,227 (2,536 ) 180,177 (3,243 ) Marketable equity securities 134 (9 ) 0 0 134 (9 ) Total temporarily impaired available-for-sale securities $ 75,084 $ (716 ) $ 105,227 $ (2,536 ) $ 180,311 $ (3,252 )
Realized Gain (Loss) on Investments [Table Text Block]	(In Thousands) 2015 2014 2013 Gross realized gains from sales $ 2,972 $ 1,328 $ 1,918 Gross realized losses from sales (111 ) (224 ) (175 ) Losses from OTTI Impairment 0 0 (25 ) Net realized gains $ 2,861 $ 1,104 $ 1,718 Income tax provision related to net realized gains $ 1,002 $ 386 $ 601
Investments Classified by Contractual Maturity Date [Table Text Block]	Amortized Fair (In Thousands) Cost Value Due in one year or less $ 9,087 $ 9,154 Due from one year through five years 60,639 61,664 Due from five years through ten years 45,173 46,227 Due after ten years 33,504 35,801 Subtotal 148,403 152,846 Mortgage-backed securities 73,227 73,343 Collateralized mortgage obligations, Issued by U.S. Government agencies 193,145 191,715 Total $ 414,775 $ 417,904
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]	(In Thousands) 2015 2014 2013 Marketable equity securities (bank stocks) $ 0 $ 0 $ (25 )

Note 8 - Loans (Tables)

Note 8 - Loans (Tables)	12 Months Ended
	Dec. 31, 2015
Note 8 - Loans (Tables) [Line Items]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	Summary of Loans by Type (In Thousands) Dec. 31, Dec. 31, 2015 2014 Residential mortgage: Residential mortgage loans - first liens $ 304,783 $ 291,882 Residential mortgage loans - junior liens 21,146 21,166 Home equity lines of credit 39,040 36,629 1-4 Family residential construction 21,121 16,739 Total residential mortgage 386,090 366,416 Commercial: Commercial loans secured by real estate 154,779 145,878 Commercial and industrial 75,196 50,157 Political subdivisions 40,007 17,534 Commercial construction and land 5,122 6,938 Loans secured by farmland 7,019 7,916 Multi-family (5 or more) residential 9,188 8,917 Agricultural loans 4,671 3,221 Other commercial loans 12,152 13,334 Total commercial 308,134 253,895 Consumer 10,656 10,234 Total 704,880 630,545 Less: allowance for loan losses (7,889 ) (7,336 ) Loans, net $ 696,991 $ 623,209
Allowance for Credit Losses on Financing Receivables [Table Text Block]	Year Ended December 31, 2015 (In Thousands) Dec. 31, Balance Charge-offs Recoveries Provision (Credit) Dec. 31, Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,941 $ (175 ) $ 1 $ (122 ) $ 2,645 Residential mortgage loans - junior liens 176 (42 ) 0 85 219 Home equity lines of credit 322 0 0 25 347 1-4 Family residential construction 214 0 0 (7 ) 207 Total residential mortgage 3,653 (217 ) 1 (19 ) 3,418 Commercial: Commercial loans secured by real estate 1,758 (115 ) 208 88 1,939 Commercial and industrial 688 (21 ) 6 308 981 Political subdivisions 0 0 0 0 0 Commercial construction and land 283 (115 ) 0 (110 ) 58 Loans secured by farmland 165 0 0 (59 ) 106 Multi-family (5 or more) residential 87 0 0 588 675 Agricultural loans 31 0 0 14 45 Other commercial loans 131 0 0 (13 ) 118 Total commercial 3,143 (251 ) 214 816 3,922 Consumer 145 (94 ) 55 16 122 Unallocated 395 0 0 32 427 Total Allowance for Loan Losses $ 7,336 $ (562 ) $ 270 $ 845 $ 7,889 Year Ended December 31, 2014 (In Thousands) Dec. 31, Provision Dec. 31, Balance Charge-offs Recoveries (Credit) Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,974 $ (164 ) $ 25 $ 106 $ 2,941 Residential mortgage loans - junior liens 294 (101 ) 0 (17 ) $ 176 Home equity lines of credit 269 (62 ) 0 115 $ 322 1-4 Family residential construction 168 0 0 46 $ 214 Total residential mortgage 3,705 (327 ) 25 250 3,653 Commercial: Commercial loans secured by real estate 3,123 (1,521 ) 250 (94 ) 1,758 Commercial and industrial 591 (24 ) 9 112 688 Political subdivisions 0 0 0 0 0 Commercial construction and land 267 (170 ) 5 181 283 Loans secured by farmland 115 0 0 50 165 Multi-family (5 or more) residential 103 0 0 (16 ) 87 Agricultural loans 30 0 0 1 31 Other commercial loans 138 0 0 (7 ) 131 Total commercial 4,367 (1,715 ) 264 227 3,143 Consumer 193 (97 ) 47 2 145 Unallocated 398 0 0 (3 ) 395 Total Allowance for Loan Losses $ 8,663 $ (2,139 ) $ 336 $ 476 $ 7,336 Year Ended December 31, 2013 (In Thousands) Dec. 31, Provision Dec. 31, Balance Charge-offs Recoveries (Credit) Balance Allowance for Loan Losses: Residential mortgage: Residential mortgage loans - first liens $ 2,619 $ (84 ) $ 24 $ 415 $ 2,974 Residential mortgage loans - junior liens 247 0 0 47 294 Home equity lines of credit 255 0 0 14 269 1-4 Family residential construction 96 (11 ) 0 83 168 Total residential mortgage 3,217 (95 ) 24 559 3,705 Commercial: Commercial loans secured by real estate 1,930 (169 ) 344 1,018 3,123 Commercial and industrial 581 (286 ) 4 292 591 Political subdivisions 0 0 0 0 0 Commercial construction and land 234 (4 ) 0 37 267 Loans secured by farmland 129 0 0 (14 ) 115 Multi-family (5 or more) residential 67 0 0 36 103 Agricultural loans 27 0 0 3 30 Other commercial loans 3 0 0 135 138 Total commercial 2,971 (459 ) 348 1,507 4,367 Consumer 228 (117 ) 58 24 193 Unallocated 441 0 0 (43 ) 398 Total Allowance for Loan Losses $ 6,857 $ (671 ) $ 430 $ 2,047 $ 8,663
Financing Receivable Credit Quality Indicators [Table Text Block]	December 31, 2015 (In Thousands) Special Pass Mention Substandard Doubtful Total Residential Mortgage: Residential mortgage loans - first liens $ 295,302 $ 407 $ 9,007 $ 67 $ 304,783 Residential mortgage loans - junior liens 20,558 185 403 0 21,146 Home equity lines of credit 38,071 543 426 0 39,040 1-4 Family residential construction 21,104 17 0 0 21,121 Total residential mortgage 375,035 1,152 9,836 67 386,090 Commercial: Commercial loans secured by real estate 140,381 5,862 8,536 0 154,779 Commercial and Industrial 71,225 2,106 1,737 128 75,196 Political subdivisions 40,007 0 0 0 40,007 Commercial construction and land 4,957 60 105 0 5,122 Loans secured by farmland 5,084 483 1,432 20 7,019 Multi-family (5 or more) residential 7,943 0 1,245 0 9,188 Agricultural loans 4,655 0 16 0 4,671 Other commercial loans 12,073 0 79 0 12,152 Total commercial 286,325 8,511 13,150 148 308,134 Consumer 10,490 21 145 0 10,656 Totals $ 671,850 $ 9,684 $ 23,131 $ 215 $ 704,880 December 31, 2014 (In Thousands) Special Pass Mention Substandard Doubtful Total Residential Mortgage: Residential mortgage loans - first liens $ 280,094 $ 1,246 $ 10,464 $ 78 $ 291,882 Residential mortgage loans - junior liens 20,502 112 552 0 21,166 Home equity lines of credit 35,935 294 400 0 36,629 1-4 Family residential construction 16,719 20 0 0 16,739 Total residential mortgage 353,250 1,672 11,416 78 366,416 Commercial: Commercial loans secured by real estate 133,204 2,775 9,899 0 145,878 Commercial and Industrial 41,751 7,246 1,042 118 50,157 Political subdivisions 17,534 0 0 0 17,534 Commercial construction and land 4,650 266 2,022 0 6,938 Loans secured by farmland 5,990 433 1,468 25 7,916 Multi-family (5 or more) residential 8,629 288 0 0 8,917 Agricultural loans 3,196 0 25 0 3,221 Other commercial loans 13,248 86 0 0 13,334 Total commercial 228,202 11,094 14,456 143 253,895 Consumer 10,095 22 117 0 10,234 Totals $ 591,547 $ 12,788 $ 25,989 $ 221 $ 630,545
Impaired Financing Receivable by Portfolio Segment [Table Text Block]	December 31, 2015 Loans: Allowance for Loan Losses: (In Thousands) Individually Collectively Individually Collectively Evaluated Evaluated Totals Evaluated Evaluated Totals Residential mortgage: Residential mortgage loans - first liens $ 884 $ 303,899 $ 304,783 $ 1 $ 2,644 $ 2,645 Residential mortgage loans - junior liens 74 21,072 21,146 0 219 219 Home equity lines of credit 0 39,040 39,040 0 347 347 1-4 Family residential construction 0 21,121 21,121 0 207 207 Total residential mortgage 958 385,132 386,090 1 3,417 3,418 Commercial: Commercial loans secured by real estate 6,262 148,517 154,779 97 1,842 1,939 Commercial and industrial 324 74,872 75,196 75 906 981 Political subdivisions 0 40,007 40,007 0 0 0 Commercial construction and land 0 5,122 5,122 0 58 58 Loans secured by farmland 1,427 5,592 7,019 52 54 106 Multi-family (5 or more) residential 987 8,201 9,188 595 80 675 Agricultural loans 16 4,655 4,671 0 45 45 Other commercial loans 0 12,152 12,152 0 118 118 Total commercial 9,016 299,118 308,134 819 3,103 3,922 Consumer 0 10,656 10,656 0 122 122 Unallocated 427 Total $ 9,974 $ 694,906 $ 704,880 $ 820 $ 6,642 $ 7,889 December 31, 2014 Loans: Allowance for Loan Losses: (In Thousands) Individually Collectively Individually Collectively Evaluated Evaluated Totals Evaluated Evaluated Totals Residential mortgage: Residential mortgage loans - first liens $ 1,665 $ 290,217 $ 291,882 $ 358 $ 2,583 $ 2,941 Residential mortgage loans - junior liens 17 21,149 21,166 0 176 176 Home equity lines of credit 0 36,629 36,629 0 322 322 1-4 Family residential construction 0 16,739 16,739 0 214 214 Total residential mortgage 1,682 364,734 366,416 358 3,295 3,653 Commercial: Commercial loans secured by real estate 6,537 139,341 145,878 16 1,742 1,758 Commercial and industrial 663 49,494 50,157 82 606 688 Political subdivisions 0 17,534 17,534 0 0 0 Commercial construction and land 1,939 4,999 6,938 211 72 283 Loans secured by farmland 1,470 6,446 7,916 102 63 165 Multi-family (5 or more) residential 0 8,917 8,917 0 87 87 Agricultural loans 25 3,196 3,221 0 31 31 Other commercial loans 0 13,334 13,334 0 131 131 Total commercial 10,634 243,261 253,895 411 2,732 3,143 Consumer 0 10,234 10,234 0 145 145 Unallocated 395 Total $ 12,316 $ 618,229 $ 630,545 $ 769 $ 6,172 $ 7,336
Impaired Financing Receivables [Table Text Block]	(In Thousands) December 31, 2015 December 31, 2014 Unpaid Unpaid Principal Recorded Related Principal Recorded Related Balance Investment Allowance Balance Investment Allowance With no related allowance recorded: Residential mortgage loans - first liens $ 842 $ 842 $ - $ 950 $ 950 $ - Residential mortgage loans - junior liens 74 74 - 17 17 - Commercial loans secured by real estate 7,580 5,945 - 8,062 6,521 - Commercial and industrial 249 249 - 513 513 - Commercial construction and land 0 0 - 124 124 - Loans secured by farmland 915 915 - 925 925 - Agricultural loans 16 16 - 25 25 - Total with no related allowance recorded 9,676 8,041 - 10,616 9,075 - With a related allowance recorded: Residential mortgage loans - first liens 42 42 1 715 715 358 Commercial loans secured by real estate 317 317 97 16 16 16 Commercial and industrial 75 75 75 150 150 82 Commercial construction and land 0 0 0 1,815 1,815 211 Loans secured by farmland 512 512 52 545 545 102 Multi-family (5 or more) residential 987 987 595 0 0 0 Total with a related allowance recorded 1,933 1,933 820 3,241 3,241 769 Total $ 11,609 $ 9,974 $ 820 $ 13,857 $ 12,316 $ 769
Schedule of Additional Information on Impaired Loans [Table Text Block]	Interest Income Recognized on Average Investment in Impaired Loans Impaired Loans on a Cash Basis (In Thousands) Year Ended December 31, Year Ended December 31, 2015 2014 2013 2015 2014 2013 Residential mortgage: Residential mortgage loans - first lien $ 2,206 $ 4,272 $ 3,334 $ 86 $ 81 $ 199 Residential mortgage loans - junior lien 64 168 245 4 3 17 Total residential mortgage 2,270 4,440 3,579 90 84 216 Commercial: Commercial loans secured by real estate 6,357 7,192 2,931 380 469 90 Commercial and industrial 438 877 941 20 37 35 Commercial construction and land 40 395 999 0 9 14 Loans secured by farmland 1,459 1,413 1,171 103 101 66 Multi-family (5 or more) residential 790 0 22 0 0 2 Agricultural loans 21 41 43 3 3 3 Total commercial 9,105 9,918 6,107 506 619 210 Consumer 0 1 4 0 0 0 Total $ 11,375 $ 14,359 $ 9,690 $ 596 $ 703 $ 426
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]	(In Thousands) December 31, 2015 December 31, 2014 Past Due Past Due 90+ Days and 90+ Days and Accruing Nonaccrual Accruing Nonaccrual Residential mortgage: Residential mortgage loans - first liens $ 2,381 $ 3,044 $ 1,989 $ 3,440 Residential mortgage loans - junior liens 79 0 82 50 Home equity lines of credit 130 0 49 22 Total residential mortgage 2,590 3,044 2,120 3,512 Commercial: Commercial loans secured by real estate 503 5,730 653 5,804 Commercial and industrial 65 313 5 379 Commercial construction and land 0 0 35 1,915 Loans secured by farmland 0 1,427 0 951 Multi-family (5 or more) residential 0 987 0 0 Agricultural loans 0 16 0 25 Total commercial 568 8,473 693 9,074 Consumer 71 0 30 24 Totals $ 3,229 $ 11,517 $ 2,843 $ 12,610
Past Due Financing Receivables [Table Text Block]	As of December 31, 2015 As of December 31, 2014 Current & Current & (In Thousands) Past Due Past Due Past Due Past Due Past Due Past Due Less than 30-89 90+ Less than 30-89 90+ 30 Days Days Days Total 30 Days Days Days Total Residential mortgage: Residential mortgage loans - first liens $ 294,703 $ 6,156 $ 3,924 $ 304,783 $ 282,766 $ 5,443 $ 3,673 $ 291,882 Residential mortgage loans - junior liens 20,816 251 79 21,146 20,853 190 123 21,166 Home equity lines of credit 38,581 329 130 39,040 36,300 258 71 36,629 1-4 Family residential construction 21,121 0 0 21,121 16,739 0 0 16,739 Total residential mortgage 375,221 6,736 4,133 386,090 356,658 5,891 3,867 366,416 Commercial: Commercial loans secured by real estate 153,427 108 1,244 154,779 143,713 883 1,282 145,878 Commercial and industrial 75,002 118 76 75,196 49,994 43 120 50,157 Political subdivisions 40,007 0 0 40,007 17,534 0 0 17,534 Commercial construction and land 5,018 104 0 5,122 4,897 91 1,950 6,938 Loans secured by farmland 5,970 223 826 7,019 6,811 254 851 7,916 Multi-family (5 or more) residential 8,201 0 987 9,188 8,720 197 0 8,917 Agricultural loans 4,642 13 16 4,671 3,105 91 25 3,221 Other commercial loans 12,152 0 0 12,152 13,334 0 0 13,334 Total commercial 304,419 566 3,149 308,134 248,108 1,559 4,228 253,895 Consumer 10,537 48 71 10,656 10,164 40 30 10,234 Totals $ 690,177 $ 7,350 $ 7,353 $ 704,880 $ 614,930 $ 7,490 $ 8,125 $ 630,545
Contractual Aging of Nonaccrual Loans [Table Text Block]	Current & (In Thousands) Past Due Past Due Past Due Less than 30-89 90+ 30 Days Days Days Total December 31, 2015 Nonaccrual Totals $ 7,100 $ 293 $ 4,124 $ 11,517 December 31, 2014 Nonaccrual Totals $ 6,959 $ 369 $ 5,282 $ 12,610
Troubled Debt Restructurings on Financing Receivables [Table Text Block]	Troubled Debt Restructurings (TDRs): Current & (In Thousands) Past Due Past Due Past Due Less than 30-89 90+ 30 Days Days Days Nonaccrual Total December 31, 2015 Totals $ 1,186 $ 0 $ 81 $ 5,097 $ 6,364 December 31, 2014 Totals $ 1,725 $ 82 $ 0 $ 5,388 $ 7,195
Schedule of Troubled Debt Restructurings With Subsequent Default [Table Text Block]	Number of Recorded Contracts Investment Year Ended December 31, 2015 (Balances in Thousands) Residential mortgage: Residential mortgage loans - first liens 1 $ 32 Number of Recorded Contracts Investment Year Ended December 31, 2014 (Balances in Thousands) Residential mortgage, 3 $ 257 Residential mortgage loans - junior liens 1 62 Commercial, Commercial loans secured by real estate 1 429 Commercial construction and land 1 25 Loans secured by farmland 4 490 Agricultural loans 1 13 Number of Recorded Contracts Investment Year Ended December 31, 2013 (Balances in Thousands) Residential mortgage, 1 $ 85 Commercial: Commercial loans secured by real estate 2 588 Commercial construction and land 1 110 Agricultural 1 13
Troubled Debt Restructuring [Member]
Note 8 - Loans (Tables) [Line Items]
Troubled Debt Restructurings on Financing Receivables [Table Text Block]	Year Ended December 31, 2015 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage: Residential mortgage loans - first liens 2 $ 298 $ 298 Residential mortgage loans - junior liens 1 32 32 Consumer 1 30 30 Year Ended December 31, 2014 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage, Residential mortgage loans - first liens 3 $ 150 $ 150 Commercial: Commercial loans secured by real estate 5 6,679 5,193 Commercial and industrial 1 80 80 Year Ended December 31, 2013 Pre- Post- (Balances in Thousands) Modification Modification Number Outstanding Outstanding of Recorded Recorded Contracts Investment Investment Residential mortgage: Residential mortgage loans - first liens 6 $ 677 $ 677 Residential mortgage loans - junior liens 3 102 102 Commercial: Commercial loans secured by real estate 2 866 866 Commercial and industrial 3 701 701 Loans secured by farmland 4 512 512 Agricultural loans 1 13 13 Consumer 1 6 6

Note 9 - Bank Premises and Eq36

Note 9 - Bank Premises and Equipment (Tables)	12 Months Ended
	Dec. 31, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment [Table Text Block]	(In Thousands) December 31, 2015 2014 Land $ 2,818 $ 2,818 Buildings and improvements 27,092 26,973 Furniture and equipment 17,922 17,412 Construction in progress 243 98 Total 48,075 47,301 Less: accumulated depreciation (32,669 ) (31,045 ) Net $ 15,406 $ 16,256
Schedule of Depreciation Expense Table [Text Block]	(In Thousands) 2015 2014 2013 Occupancy expense $ 954 $ 998 $ 1,022 Furniture and equipment expense 934 942 998 Total $ 1,888 $ 1,940 $ 2,020

Note 10 - Intangible Assets (Ta

Note 10 - Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Schedule of Finite-Lived Intangible Assets [Table Text Block]	December 31, (In Thousands) 2015 2014 Gross amount $ 2,034 $ 2,034 Less: accumulated amortization (2,004 ) (1,982 ) Net $ 30 $ 52

Note 11 - Deposits (Tables)

Note 11 - Deposits (Tables)	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Scheduled Maturities of Time Deposits [Table Text Block]	(In Thousands) 2016 $ 124,562 2017 53,985 2018 19,611 2019 10,091 2020 13,424 Thereafter 11 $ 221,684
Schedule of Remaining Maturities of Time Deposits in Excess of 100000 [Table Text Block]	(In Thousands) Three months or less $ 35,167 Over 3 months through 12 months 9,330 Over 1 year through 3 years 12,358 Over 3 years 8,248 Total $ 65,103

Note 12 - Borrowed Funds (Table

Note 12 - Borrowed Funds (Tables)	12 Months Ended
	Dec. 31, 2015
Debt Disclosure [Abstract]
Schedule of Short-term Debt [Table Text Block]	Short-term borrowings include the following: (In Thousands) Dec. 31 Dec. 31 2015 2014 FHLB-Pittsburgh borrowings $ 48,581 $ 0 Customer repurchase agreements 4,915 5,537 Total short-term borrowings $ 53,496 $ 5,537 Short-term borrowings from FHLB - Pittsburgh are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Overnight borrowing $ 23,500 $ 0 Other short-term advances 25,081 0 Total short-term FHLB-Pittsburgh borrowings $ 48,581 $ 0
Schedule of Long-term Debt Instruments [Table Text Block]	LONG-TERM BORROWINGS Long-term borrowings are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 FHLB-Pittsburgh borrowings $ 11,767 $ 12,060 Repurchase agreements 27,000 61,000 Total long-term borrowings $ 38,767 $ 73,060
Schedule of Maturities of Long-term Debt [Table Text Block]	Long-term borrowings from FHLB - Pittsburgh are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Loan maturing in 2016 with a rate of 6.86% $ 57 $ 107 Loan maturing in 2017 with a rate of 6.83% 10 16 Loan maturing in 2017 with a rate of 3.81% 10,000 10,000 Loan maturing in 2020 with a rate of 4.79% 821 987 Loan maturing in 2025 with a rate of 4.91% 879 950 Total long-term FHLB-Pittsburgh borrowings $ 11,767 $ 12,060 Repurchase agreements included in long-term borrowings are as follows: (In Thousands) Dec. 31 Dec. 31 2015 2014 Agreement maturing in 2017 with a rate of 3.595% $ 27,000 $ 27,000 Agreement maturing in 2017 with a rate of 4.265% 0 34,000 Total long-term repurchase agreements $ 27,000 $ 61,000
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]	(In Thousands) December 3 1 , December 31, 2015 2014 Mortgage-backed securities $ 15,772 $ 24,114 Collateralized mortgage obligations, Issued by U.S. Government agencies 18,008 46,868 Total $ 33,780 $ 70,982

Note 13 - Employee and Postre40

Note 13 - Employee and Postretirement Benefit Plans (Tables)	12 Months Ended
	Dec. 31, 2015
Note 13 - Employee and Postretirement Benefit Plans (Tables) [Line Items]
Schedule of Net Funded Status [Table Text Block]	Pension: Postretirement: 2015 2014 2015 2014 CHANGE IN BENEFIT OBLIGATION: Benefit obligation at beginning of year $ 1,085 $ 1,733 $ 1,378 $ 1,391 Service cost 0 0 38 34 Interest cost 36 73 57 57 Plan participants' contributions 0 0 203 198 Actuarial (gain) loss (46 ) 76 120 (48 ) Benefits paid (16 ) (16 ) (257 ) (254 ) Settlement of plan obligation (337 ) (781 ) 0 0 Benefit obligation at end of year $ 722 $ 1,085 $ 1,539 $ 1,378 CHANGE IN PLAN ASSETS: Fair value of plan assets at beginning of year $ 1,208 $ 1,968 $ 0 $ 0 Actual return on plan assets (16 ) 37 0 0 Employer contribution 0 0 54 56 Plan participants' contributions 0 0 203 198 Benefits paid (16 ) (16 ) (257 ) (254 ) Settlement of plan obligation (337 ) (781 ) 0 0 Fair value of plan assets at end of year $ 839 $ 1,208 $ 0 $ 0 Funded status at end of year $ 117 $ 123 $ (1,539 ) $ (1,378 )
Schedule of Amounts Recognized in Balance Sheet [Table Text Block]	Assets and liabilities: (In Thousands) Pension: Postretirement: 2015 2014 2015 2014 Other assets $ 117 $ 123 Accrued interest and other liabilities $ 1,539 $ 1,378
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]	Items not yet recognized as a component of net periodic benefit cost: (In Thousands) Pension: Postretirement: 2015 2014 2015 2014 Prior service cost $ 0 $ 0 $ (371 ) $ (402 ) Net actuarial loss 186 269 131 11 Total $ 186 $ 269 $ (240 ) $ (391 )
Schedule of Defined Benefit Plans Disclosures [Table Text Block]	(In Thousands) Pension: Postretirement: 2015 2014 2013 2015 2014 2013 Service cost $ 0 $ 0 $ 0 $ 38 $ 34 $ 41 Interest cost 36 73 71 57 57 55 Expected return on plan assets (45 ) (88 ) (90 ) 0 0 0 Amortization of prior service cost 0 0 0 (31 ) (31 ) (31 ) Recognized net actuarial loss 11 19 32 0 0 1 Loss on settlement 87 196 0 0 0 0 Total net periodic benefit cost $ 89 $ 200 $ 13 $ 64 $ 60 $ 66
Schedule of Expected Benefit Payments [Table Text Block]	(In Thousands) Pension Postretirement 2016 $ 250 $ 92 2017 15 96 2018 14 102 2019 39 105 2020 13 110 2021-2025 214 550
Schedule of Allocation of Plan Assets [Table Text Block]	2015 2014 Cash and cash equivalents 2 % 3 % Debt securities 38 % 37 % Equity securities 46 % 47 % Alternative funds 14 % 13 % Total 100 % 100 %
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2014 2013 Volatility 39 % 41 % Expected option lives (Years) 8 8 Risk-free interest rate 2.85 % 1.60 % Dividend yield 4.33 % 3.69 %
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]	(In Thousands) 2015 2014 2013 Stock options $ 0 $ 153 $ 242 Restricted stock 606 412 454 Total $ 606 $ 565 $ 696
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]	2015 2014 2013 Weighted Weighted Weighted Average Average Average Exercise Exercise Exercise Shares Price Shares Price Shares Price Outstanding, beginning of year 316,157 $ 19.05 358,176 $ 19.03 337,670 $ 19.08 Granted 0 39,027 $ 20.45 64,050 $ 19.21 Exercised (29,557 ) $ 17.56 (50,415 ) $ 17.57 (10,656 ) $ 17.22 Forfeited (20,211 ) $ 19.76 (16,424 ) $ 20.03 (14,135 ) $ 20.13 Expired (17,903 ) $ 27.00 (14,207 ) $ 26.59 (18,753 ) $ 20.73 Outstanding, end of year 248,486 $ 18.59 316,157 $ 19.05 358,176 $ 19.03 Options exercisable at year-end 248,486 $ 18.59 316,157 $ 19.05 358,176 $ 19.03 Weighted-average fair value of options granted N/A $ 5.50 $ 5.56 Weighted-average fair value of options forfeited $ 4.86 $ 4.89 $ 3.77
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]	Restricted Stock Weighted Average Number Grant Date of Shares Fair Value Outstanding, December 31, 2014 52,436 $ 19.34 Granted 34,800 $ 20.63 Vested (21,522 ) $ 19.16 Forfeited (3,502 ) $ 20.08 Outstanding, December 31, 2015 62,212 $ 20.10
Used to Determine Net Periodic Benefit Cost [Member]
Note 13 - Employee and Postretirement Benefit Plans (Tables) [Line Items]
Schedule of Defined Benefit Plans Disclosures [Table Text Block]	Pension: Postretirement: 2015 2014 2013 2015 2014 2013 Citizens Trust Company Retirement Plan and postretirement plan: Discount rate 3.75 % 4.50 % 4.00 % 4.00 % 4.00 % 4.00 % Expected return on plan assets 5.31 % 5.31 % 5.31 % N/A N/A N/A Rate of compensation increase N/A N/A N/A N/A N/A N/A
Used to Determine Benefit Obligation [Member]
Note 13 - Employee and Postretirement Benefit Plans (Tables) [Line Items]
Schedule of Assumptions Used [Table Text Block]	Pension: Postretirement: 2015 2014 2015 2014 Discount rate 4.30 % 3.75 % 4.25 % 4.00 % Rate of compensation increase N/A N/A N/A N/A

Note 14 - Income Taxes (Tables)

Note 14 - Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	December 31, December 31, (In Thousands) 2015 2014 Deferred tax assets: Net realized losses on securities $ 69 $ 144 Allowance for loan losses 2,761 2,568 Credit for alternative minimum tax paid 0 537 Other deferred tax assets 2,634 2,595 Total deferred tax assets 5,464 5,844 Deferred tax liabilities: Unrealized holding gains on securities 1,342 2,844 Defined benefit plans - ASC 835 19 43 Bank premises and equipment 869 1,134 Core deposit intangibles 11 18 Other deferred tax liabilities 108 137 Total deferred tax liabilities 2,349 4,176 Deferred tax asset, net $ 3,115 $ 1,668
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	(In thousands) 2015 2014 2013 Currently payable $ 5,097 $ 4,280 $ 4,125 Tax expense resulting from allocations of certain tax benefits to equity or as a reduction in other assets 161 158 219 Deferred 79 1,254 1,839 Total provision $ 5,337 $ 5,692 $ 6,183
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	(Amounts in thousands) 2015 2014 2013 Amount % Amount % Amount % Expected provision $ 7,633 35.00 $ 7,972 35.00 $ 8,672 35.00 Tax-exempt interest income (1,914 ) (8.78 ) (1,982 ) (8.70 ) (2,137 ) (8.62 ) Nondeductible interest expense 51 0.23 56 0.25 60 0.24 Dividends received deduction (75 ) (0.34 ) (79 ) (0.35 ) (76 ) (0.31 ) Increase in cash surrender value of life insurance (135 ) (0.62 ) (132 ) (0.58 ) (140 ) (0.57 ) Employee stock option compensation 0 0.00 41 0.18 67 0.27 Tax benefit from limited partnership investment (80 ) (0.37 ) (83 ) (0.36 ) (85 ) (0.34 ) Other, net (143 ) (0.66 ) (101 ) (0.44 ) (178 ) (0.72 ) Effective income tax provision $ 5,337 24.47 $ 5,692 24.99 $ 6,183 24.95

Note 15 - Related Party Trans42

Note 15 - Related Party Transactions (Tables)	12 Months Ended
	Dec. 31, 2015
Related Party Transactions [Abstract]
Schedule of Related Party Transactions [Table Text Block]	(In Thousands) Beginning New Other Ending Balance Loans Repayments Changes Balance 11 directors, 7 executive officers 2015 $ 12,023 $ 52 $ (808 ) $ (1,021 ) $ 10,246 12 directors, 8 executive officers 2014 12,547 188 (1,358 ) 646 12,023 11 directors, 8 executive officers 2013 14,125 1,110 (2,723 ) 35 12,547

Note 16 - Off-balance Sheet R43

Note 16 - Off-balance Sheet Risk (Tables)	12 Months Ended
	Dec. 31, 2015
Note 16 - Off-balance Sheet Risk (Tables) [Line Items]
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]	(In Thousands) 2015 2014 Commitments to extend credit $ 156,407 $ 143,863 Standby letters of credit 13,340 13,415
Standby Letters of Credit [Member]
Note 16 - Off-balance Sheet Risk (Tables) [Line Items]
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]	Amount Year of Expiration (In Thousands) 2016 $ 10,767 2017 371 2019 40 2021 and Thereafter 2,162 Total $ 13,340

Note 18 - Regulatory Matters (T

Note 18 - Regulatory Matters (Tables)	12 Months Ended
	Dec. 31, 2015
Disclosure Text Block [Abstract]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]	(Dollars in Thousands) Minimum To Be Well Minimum Capitalized Under Capital Prompt Corrective Actual Requirement Action Provisions Amount Ratio Amount Ratio Amount Ratio December 31, 2015: Total capital to risk-weighted assets: Consolidated $ 181,216 24.40 % $ 59,424 > % $ 74,281 > % C&N Bank 161,187 21.83 % 59,058 > % 73,823 > % Tier 1 capital to risk-weighted assets: Consolidated 173,009 23.29 % 29,712 > % 59,424 > % C&N Bank 153,298 20.77 % 29,529 > % 59,058 > % Common equity tier 1 capital to risk-weighted assets: Consolidated 173,009 23.29 % 29,712 > % 48,282 > % C&N Bank 153,298 20.77 % 29,529 > % 47,985 > % Tier 1 capital to average assets: Consolidated 173,009 14.31 % 48,355 > % 60,444 > % C&N Bank 153,298 12.81 % 47,861 > % 59,826 > % December 31, 2014: Total capital to risk-weighted assets: Consolidated $ 179,588 27.60 % $ 52,051 > % n/a n/a C&N Bank 156,420 24.33 % 51,442 > % $ 64,303 > % Tier 1 capital to risk-weighted assets: Consolidated 170,880 26.26 % 26,026 > % n/a n/a C&N Bank 149,055 23.18 % 25,721 > % 38,582 > % Tier 1 capital to average assets: Consolidated 170,880 13.89 % 49,224 > % n/a n/a C&N Bank 149,055 12.22 % 48,798 > % 60,998 > %
Regulatory Capital Requirements Under Banking Regulations, Transition Schedule for New Ratios [Table Text Block]	As of January 1: 2015 2016 2017 2018 2019 Minimum common equity tier 1 capital ratio 4.5 % 4.5 % 4.5 % 4.5 % 4.5 % Common equity tier 1 capital conservation buffer N/A 0.625 % 1.25 % 1.875 % 2.5 % Minimum common equity tier 1 capital ratio plus capital conservation buffer 4.5 % 5.125 % 5.75 % 6.375 % 7.0 % Phase-in of most deductions from common equity tier 1 capital 40 % 60 % 80 % 100 % 100 % Minimum tier 1 capital ratio 6.0 % 6.0 % 6.0 % 6.0 % 6.0 % Minimum tier 1 capital ratio plus capital conservation buffer N/A 6.625 % 7.25 % 7.875 % 8.5 % Minimum total capital ratio 8.0 % 8.0 % 8.0 % 8.0 % 8.0 % Minimum total capital ratio plus capital conservation buffer N/A 8.625 % 9.25 % 9.875 % 10.5 %
Regulatory Capital Requirements, Payout Restrictions Based on Capital Conservation Buffer [Table Text Block]	Capital Conservation Buffer Maximum Payout (as a % of risk-weighted assets) (as a % of eligible retained income) Greater than 2.5% No payout limitation applies ≤2.5% and >1.875% 60% ≤1.875% and >1.25% 40% ≤1.25% and >0.625% 20% ≤0.625% 0%

Note 19 - Parent Company Only (

Note 19 - Parent Company Only (Tables)	12 Months Ended
	Dec. 31, 2015
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Condensed Balance Sheet [Table Text Block]	CONDENSED BALANCE SHEET December 31, (In Thousands) 2015 2014 ASSETS Cash $ 5,847 $ 9,624 Investment in subsidiaries: Citizens & Northern Bank 167,277 164,551 Citizens & Northern Investment Corporation 10,966 10,822 Bucktail Life Insurance Company 3,392 3,336 Other assets 24 36 TOTAL ASSETS $ 187,506 $ 188,369 LIABILITIES AND STOCKHOLDERS' EQUITY Other liabilities $ 19 $ 7 Stockholders' equity 187,487 188,362 TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 187,506 $ 188,369
Condensed Income Statement [Table Text Block]	CONDENSED INCOME STATEMENT (In Thousands) 2015 2014 2013 Dividends from Citizens & Northern Bank $ 11,569 $ 22,608 $ 11,108 Expenses (234 ) (112 ) (108 ) Income before equity in undistributed income of subsidiaries 11,335 22,496 11,000 Equity in undistributed income (loss) of subsidiaries 5,136 (5,410 ) 7,594 NET INCOME $ 16,471 $ 17,086 $ 18,594
Condensed Cash Flow Statement [Table Text Block]	CONDENSED STATEMENT OF CASH FLOWS (In Thousands) 2015 2014 2013 CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 16,471 $ 17,086 $ 18,594 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed net (income) loss of subsidiaries (5,136 ) 5,410 (7,594 ) Decrease (increase) in other assets 12 (36 ) 7 Increase in other liabilities 12 1 0 Net Cash Provided by Operating Activities 11,359 22,461 11,007 CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from sale of treasury stock 381 123 184 Tax benefit from compensation plans, net 143 137 127 Purchase of treasury stock (4,415 ) (4,002 ) 0 Dividends paid (11,245 ) (11,392 ) (10,916 ) Net Cash (Used in) Financing Activities (15,136 ) (15,134 ) (10,605 ) (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS (3,777 ) 7,327 402 CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR 9,624 2,297 1,895 CASH AND CASH EQUIVALENTS, END OF YEAR $ 5,847 $ 9,624 $ 2,297

Note 20 - Summary of Quarterl46

Note 20 - Summary of Quarterly Consolidated Financial Data (Unaudited) (Tables)	12 Months Ended
	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Schedule of Quarterly Financial Information [Table Text Block]	(In Thousands Except Per Share Data) (Unaudited) 2015 Quarter Ended Mar. 31, June 30, Sept. 30, Dec. 31, Interest income $ 11,163 $ 11,186 $ 11,134 $ 11,036 Interest expense 1,213 1,176 1,126 1,087 Net interest income 9,950 10,010 10,008 9,949 Provision for loan losses 3 221 302 319 Net interest income after provision for loan losses 9,947 9,789 9,706 9,630 Other income 3,487 3,962 3,961 3,994 Net gains on available-for-sale securities 74 932 79 1,776 Loss on prepayment of borrowings 0 910 0 1,663 Other expenses 8,464 7,964 8,117 8,411 Income before income tax provision 5,044 5,809 5,629 5,326 Income tax provision 1,229 1,452 1,395 1,261 Net income $ 3,815 $ 4,357 $ 4,234 $ 4,065 Net income per share – basic $ 0.31 $ 0.36 $ 0.35 $ 0.33 Net income per share – diluted $ 0.31 $ 0.36 $ 0.35 $ 0.33 2014 Quarter Ended Mar. 31, June 30, Sept. 30, Dec. 31, Interest income $ 11,406 $ 11,563 $ 11,572 $ 11,468 Interest expense 1,288 1,290 1,287 1,257 Net interest income 10,118 10,273 10,285 10,211 (Credit) provision for loan losses (311 ) 446 218 123 Net interest income after (credit) provision for loan losses 10,429 9,827 10,067 10,088 Other income 3,751 3,980 3,887 3,802 Net gains on available-for-sale securities 31 103 760 210 Other expenses 8,524 8,347 9,036 8,250 Income before income tax provision 5,687 5,563 5,678 5,850 Income tax provision 1,399 1,400 1,411 1,482 Net income $ 4,288 $ 4,163 $ 4,267 $ 4,368 Net income per share – basic $ 0.35 $ 0.33 $ 0.34 $ 0.36 Net income per share – diluted $ 0.34 $ 0.33 $ 0.34 $ 0.35

Note 1 - Nature of Operations47

Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)	Dec. 31, 2012USD ($)
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items]
Number of Reportable Segments	1
Financing Receivable, Allowance for Credit Losses	$ 7,889,000	$ 7,336,000	$ 8,663,000	$ 6,857,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	0
Other Assets [Member]
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items]
Servicing Asset	1,296,000	1,281,000
Unfunded Loan Commitment [Member]
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 0	$ 0
Commercial Loan [Member]
Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) [Line Items]
Loans Receivable Secured By Real Estate Percentage	57.00%

Note 3 - Comprehensive Income48

Note 3 - Comprehensive Income (Details) - Components of Other Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Unrealized losses on available-for-sale securities:
Unrealized holding gains (losses) on available-for-sale securities, before tax amount	$ (1,429)	$ 10,774	$ (17,623)
Unrealized holding gains (losses) on available-for-sale securities, income tax effect	500	(3,771)	6,168
Unrealized holding gains (losses) on available-for-sale securities, net of tax amount	(929)	7,003	(11,455)
Reclassification adjustment for (gains) realized in income, before tax amount	(2,861)	(1,104)	(1,718)
Reclassification adjustment for (gains) realized in income, income tax effect	1,002	386	601
Reclassification adjustment for (gains) realized in income, net of tax amount	(1,859)	(718)	(1,117)
Other comprehensive gain on available-for-sale securities, before tax amount	(4,290)	9,670	(19,341)
Other comprehensive gain on available-for-sale securities, income tax effect	1,502	(3,385)	6,769
Other comprehensive gain on available-for-sale securities, net of tax amount	(2,788)	6,285	(12,572)
Unfunded pension and postretirement obligations:
Changes from plan amendments and actuarial gains and losses included in other comprehensive income, before tax amount	(135)	(79)	885
Changes from plan amendments and actuarial gains and losses included in other comprehensive income, income tax effect	47	28	(310)
Changes from plan amendments and actuarial gains and losses included in other comprehensive income, net of tax amount	(88)	(51)	575
Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost, before tax amount	67	184	2
Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost, income tax effect	(23)	(65)	(1)
Amortization of net transition obligation, prior service cost and net actuarial loss included in net periodic benefit cost, net of tax amount	44	119	1
Other comprehensive (loss) gain on unfunded retirement obligations, before tax amount	(68)	105	887
Other comprehensive gain on unfunded retirement obligations, income tax effect	24	(37)	(311)
Other comprehensive gain on unfunded retirement obligations, net of tax amount	(44)	68	576
Total other comprehensive gain, before tax amount	(4,358)	9,775	(18,454)
Total other comprehensive gain, income tax effect	1,526	(3,422)	6,458
Net other comprehensive income (loss)	$ (2,832)	$ 6,353	$ (11,996)

Note 3 - Comprehensive Income49

Note 3 - Comprehensive Income (Details) - Changes in the Components of Accumulated Other Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
2,015
Balance, beginning of period	$ 5,360
Other comprehensive income (loss)	(2,832)	$ 6,353	$ (11,996)
Balance, end of period	2,528	5,360
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
2,015
Balance, beginning of period	5,281	(1,004)	11,568
Other comprehensive income (loss)	(929)	7,003	(11,455)
Amounts reclassified from accumulated other comprehensive income	(1,859)	(718)	(1,117)
Other comprehensive income (loss)	(2,788)	6,285	(12,572)
Balance, end of period	2,493	5,281	(1,004)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
2,015
Balance, beginning of period	79	11	(565)
Other comprehensive income (loss)	(88)	(51)	575
Amounts reclassified from accumulated other comprehensive income	44	119	1
Other comprehensive income (loss)	(44)	68	576
Balance, end of period	35	79	11
AOCI Attributable to Parent [Member]
2,015
Balance, beginning of period	5,360	(993)	11,003
Other comprehensive income (loss)	(1,017)	6,952	(10,880)
Amounts reclassified from accumulated other comprehensive income	(1,815)	(599)	(1,116)
Other comprehensive income (loss)	(2,832)	6,353	(11,996)
Balance, end of period	$ 2,528	$ 5,360	$ (993)

Note 3 - Comprehensive Income50

Note 3 - Comprehensive Income (Details) - Amounts Reclassified Out of Each Component of OCI - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Realized gains and losses on available-for-sale securities									$ (2,861,000)	$ (1,104,000)	$ (1,743,000)
Income tax provision									5,337,000	5,692,000	6,183,000
Net income	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	16,471,000	17,086,000	18,594,000
Unrealized gains and losses on available-for-sale Securities									0	0	0
Amortization of defined benefit pension and postretirement items:
Loss on settlement									87,000
Total before tax	$ 5,326,000	$ 5,629,000	$ 5,809,000	$ 5,044,000	$ 5,850,000	$ 5,678,000	$ 5,563,000	$ 5,687,000	21,808,000	22,778,000	24,777,000
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net income									(1,815,000)	(599,000)	(1,116,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Realized gains and losses on available-for-sale securities									(2,861,000)	(1,104,000)	(1,743,000)
Income tax provision									1,002,000	386,000	601,000
Net income									(1,859,000)	(718,000)	(1,117,000)
Unrealized gains and losses on available-for-sale Securities											25,000
Amortization of defined benefit pension and postretirement items:
Total before tax											(1,718,000)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Income tax provision									(23,000)	(65,000)	(1,000)
Net income									44,000	119,000	1,000
Amortization of defined benefit pension and postretirement items:
Prior service cost									(31,000)	(31,000)	(31,000)
Actuarial loss									11,000	19,000	33,000
Loss on settlement									87,000	196,000
Total before tax									$ 67,000	$ 184,000	$ 2,000

Note 4 - Per Share Data (Detail

Note 4 - Per Share Data (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity Option [Member]
Note 4 - Per Share Data (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	61,590	151,310	88,521

Note 4 - Per Share Data (Deta52

Note 4 - Per Share Data (Details) - Net Income Per Share - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
2,015
Earnings per share – basic (in Dollars)	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	$ 16,471,000	$ 17,086,000	$ 18,594,000
Earnings per share – basic									12,211,941	12,390,067	12,352,383
Earnings per share – basic (in Dollars per share)	$ 0.33	$ 0.35	$ 0.36	$ 0.31	$ 0.36	$ 0.34	$ 0.33	$ 0.35	$ 1.35	$ 1.38	$ 1.51
Dilutive effect of potential common stock arising from stock options:
Exercise of outstanding stock options									210,402	224,015	250,236
Hypothetical share repurchase									(188,570)	(202,032)	(219,829)
Earnings per share – diluted (in Dollars)	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	$ 16,471,000	$ 17,086,000	$ 18,594,000
Earnings per share – diluted									12,233,773	12,412,050	12,382,790
Earnings per share – diluted (in Dollars per share)									$ 1.35	$ 1.38	$ 1.50

Note 4 - Per Share Data (Deta53

Note 4 - Per Share Data (Details) - Net Income Per Share (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Income Per Share [Abstract]
Hypothetical share repurchase	$ 20.04	$ 19.41	$ 19.86

Note 5 - Cash and Due from Ba54

Note 5 - Cash and Due from Banks (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Cash and Cash Equivalents [Abstract]
Restricted Cash and Cash Equivalents, Current	$ 15,327,000	$ 16,853,000

Note 5 - Cash and Due from Ba55

Note 5 - Cash and Due from Banks (Details) - Cash and Due From Banks - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Cash and Due from Banks [Abstract]
Cash and cash equivalents	$ 33,313	$ 31,619
Certificates of deposit	2,748	4,428
Total cash and due from banks	$ 36,061	$ 36,047

Note 6 - Fair Value Measureme56

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	$ 0	$ 0	$ 0

Note 6 - Fair Value Measureme57

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - Assets Measured at Fair Value - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	$ 420,290	$ 516,807
Obligations of states and political subdivisions:
Total recurring fair value measurements	1,296
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	1,933	3,241
Valuation allowance	(820)	(769)
Impaired loans, net	1,933	3,241
US Government Agencies Debt Securities [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	10,483	26,676
Obligations of States and Political Subdivisions, Tax-exempt [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	107,757	124,839
Obligations of States and Political Subdivisions, Taxable [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	34,597	33,878
Collateralized Mortgage Backed Securities [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	73,343	83,903
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	191,715	238,823
Collateralized Debt Obligations [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	9	34
Debt Securities [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	417,904	508,153
Equity Securities [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	2,386	8,654
Estimate of Fair Value Measurement [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	420,290	516,807
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	420,290	516,807
Obligations of states and political subdivisions:
Servicing rights	1,296	1,281
Total recurring fair value measurements	421,586	518,088
Estimate of Fair Value Measurement [Member] | Fair Value, Measurements, Nonrecurring [Member]
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	1,933	3,241
Valuation allowance	(820)	(769)
Impaired loans, net	1,113	2,472
Foreclosed assets held for sale	1,260	1,189
Total nonrecurring fair value measurements	2,373	3,661
Estimate of Fair Value Measurement [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	10,483	26,676
Estimate of Fair Value Measurement [Member] | Obligations of States and Political Subdivisions, Tax-exempt [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	107,757	124,839
Estimate of Fair Value Measurement [Member] | Obligations of States and Political Subdivisions, Taxable [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	34,597	33,878
Estimate of Fair Value Measurement [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	73,343	83,903
Estimate of Fair Value Measurement [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	191,715	238,823
Estimate of Fair Value Measurement [Member] | Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	9	34
Estimate of Fair Value Measurement [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	417,904	508,153
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	2,386	8,654
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	2,386	8,654
Obligations of states and political subdivisions:
Servicing rights	0	0
Total recurring fair value measurements	2,386	8,654
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	0	0
Valuation allowance	0	0
Impaired loans, net	0	0
Foreclosed assets held for sale	0	0
Total nonrecurring fair value measurements	0	0
Fair Value, Inputs, Level 1 [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Obligations of States and Political Subdivisions, Tax-exempt [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Obligations of States and Political Subdivisions, Taxable [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	2,386	8,654
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	417,904	508,153
Obligations of states and political subdivisions:
Servicing rights	0	0
Total recurring fair value measurements	417,904	508,153
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	0	0
Valuation allowance	0	0
Impaired loans, net	0	0
Foreclosed assets held for sale	0	0
Total nonrecurring fair value measurements	0	0
Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	10,483	26,676
Fair Value, Inputs, Level 2 [Member] | Obligations of States and Political Subdivisions, Tax-exempt [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	107,757	124,839
Fair Value, Inputs, Level 2 [Member] | Obligations of States and Political Subdivisions, Taxable [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	34,597	33,878
Fair Value, Inputs, Level 2 [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	73,343	83,903
Fair Value, Inputs, Level 2 [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	191,715	238,823
Fair Value, Inputs, Level 2 [Member] | Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	9	34
Fair Value, Inputs, Level 2 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	417,904	508,153
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Obligations of states and political subdivisions:
Servicing rights	1,296	1,281
Total recurring fair value measurements	1,296	1,281
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	1,933	3,241
Valuation allowance	(820)	(769)
Impaired loans, net	1,113	2,472
Foreclosed assets held for sale	1,260	1,189
Total nonrecurring fair value measurements	2,373	3,661
Fair Value, Inputs, Level 3 [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Obligations of States and Political Subdivisions, Tax-exempt [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Obligations of States and Political Subdivisions, Taxable [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Collateralized Mortgage Backed Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Collateralized Debt Obligations [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Fair Value, Measurements, Recurring [Member]
AVAILABLE-FOR-SALE SECURITIES:
Available-for-sale securities	$ 0	$ 0

Note 6 - Fair Value Measureme58

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - Valuation Techniques and the Unobservable Inputs Used in Determining Fair Value - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 1,296,000
Discount rate	10.00%
Weighted-average PSA	146.00%	156.00%
Discount rate	10.00%
Impaired loans	$ 9,974,000	$ 12,316,000
Valuation allowance	$ 820,000	769,000
Discount rate	10.00%
Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 1,113,000	2,472,000
Impaired loans	1,933,000	3,241,000
Valuation allowance	820,000	769,000
Fair value	1,113,000	2,472,000
Foreclosed Assets Held-for-Sale [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	1,260,000	1,189,000
Fair value	1,260,000	1,189,000
Foreclosed assets held for sale	1,260,000	1,189,000
Valuation allowance	$ 0	0
Income Approach Valuation Technique [Member] | Servicing Rights Asset [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value		$ 1,281,000
Discount rate		10.00%
Servicing fees of loan balances	0.25%	0.25%
Servicing fees of payments are late	4.00%	4.00%
Late fees assessed	5.00%	5.00%
Miscellaneous fees per account per month	$ 1.94	$ 1.94
Monthly servicing cost per account	6	6
Additional monthly servicing cost per loan on loans more than 30 days delinquent	$ 24	$ 24
Of loans more than 30 days delinquent	1.50%	1.50%
Annual increase in servicing costs	3.00%	3.00%
Discount rate		10.00%
Discount rate		10.00%
Market Approach Valuation Technique [Member] | Land [Member] | Foreclosed Assets Held-for-Sale [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	29.00%	29.00%
Fair value	$ 704,000	$ 724,000
Discount rate	29.00%	29.00%
Fair value	$ 704,000	$ 724,000
Discount rate	29.00%	29.00%
Foreclosed assets held for sale	$ 704,000	$ 724,000
Valuation allowance	$ 0	$ 0
Residential Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Foreclosed Assets Held-for-Sale [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	32.00%	42.00%
Fair value	$ 556,000	$ 306,000
Discount rate	32.00%	42.00%
Fair value	$ 556,000	$ 306,000
Discount rate	32.00%	42.00%
Foreclosed assets held for sale	$ 556,000	$ 306,000
Valuation allowance	0	0
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation allowance	$ 1,000	$ 358,000
Residential Portfolio Segment [Member] | Senior Lien [Member] | Market Approach Valuation Technique [Member] | Real Estate Loan [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	31.00%	36.00%
Fair value	$ 41,000	$ 357,000
Discount rate	31.00%	36.00%
Impaired loans	$ 42,000	$ 715,000
Valuation allowance	1,000	358,000
Fair value	$ 41,000	$ 357,000
Discount rate	31.00%	36.00%
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation allowance	$ 75,000	$ 82,000
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation allowance	52,000	102,000
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation allowance	$ 595,000	$ 0
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Foreclosed Assets Held-for-Sale [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate		23.00%
Fair value		$ 159,000
Discount rate		23.00%
Fair value		$ 159,000
Discount rate		23.00%
Foreclosed assets held for sale		$ 159,000
Valuation allowance		$ 0
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Real Estate Loan [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	46.00%	42.00%
Fair value	$ 220,000	$ 0
Discount rate	46.00%	42.00%
Impaired loans	$ 317,000	$ 16,000
Valuation allowance	97,000	16,000
Fair value	$ 220,000	$ 0
Discount rate	46.00%	42.00%
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Commercial and Industrial [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	31.00%	21.00%
Fair value	$ 0	$ 68,000
Discount rate	31.00%	21.00%
Impaired loans	$ 75,000	$ 150,000
Valuation allowance	75,000	82,000
Fair value	$ 0	$ 68,000
Discount rate	31.00%	21.00%
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Loans Secured by Farmland [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	49.00%	40.00%
Fair value	$ 460,000	$ 443,000
Discount rate	49.00%	40.00%
Impaired loans	$ 512,000	$ 545,000
Valuation allowance	52,000	102,000
Fair value	$ 460,000	$ 443,000
Discount rate	49.00%	40.00%
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Multi-family (5 or more) Residential [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate	41.00%
Fair value	$ 392,000
Discount rate	41.00%
Impaired loans	$ 987,000
Valuation allowance	595,000
Fair value	$ 392,000
Discount rate	41.00%
Commercial Portfolio Segment [Member] | Market Approach Valuation Technique [Member] | Construction Loans [Member] | Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate		30.00%
Fair value		$ 1,604,000
Discount rate		30.00%
Impaired loans		$ 1,815,000
Valuation allowance		211,000
Fair value		$ 1,604,000
Discount rate		30.00%

Note 6 - Fair Value Measureme59

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - Reconciliation of Activity for Level 3 Assets Measured at Fair Value on a Recurring Basis - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period		$ 1,123	$ 2,218
Issuances of servicing rights			451
Unrealized losses included in earnings			67
Balance, end of period			1,123
Servicing Rights Asset [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	$ 1,281	1,123
Issuances of servicing rights	177	185
Unrealized losses included in earnings	(162)	(27)
Balance, end of period	$ 1,296	$ 1,281	$ 1,123

Note 6 - Fair Value Measureme60

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - Reconciliation of Activity for Level 3 Assets Measured at Fair Value on a Recurring Basis - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Accretion and amortization, net									$ (1,562)	$ (1,375)	$ (1,836)
Realized gains, net	$ 1,776	$ 79	$ 932	$ 74	$ 210	$ 760	$ 103	$ 31	$ 2,861	1,104	1,718
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period								1,123		1,123	2,218
Issuances of servicing rights											451
Accretion and amortization, net											(2)
Proceeds from sales and calls											(2,207)
Realized gains, net											594
Unrealized gains included in earnings											67
Unrealized gains included in other comprehensive income											2
Balance, end of period											1,123
Fair Value, Inputs, Level 3 [Member] | Pooled Trust Preferred Securities Senior Tranches [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period								0		0	1,613
Issuances of servicing rights											0
Accretion and amortization, net											(2)
Proceeds from sales and calls											(1,636)
Realized gains, net											23
Unrealized gains included in earnings											0
Unrealized gains included in other comprehensive income											2
Balance, end of period											0
Fair Value, Inputs, Level 3 [Member] | Pooled Trust Preferred Securities Mezzanine Tranches [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period								0		0	0
Issuances of servicing rights											0
Accretion and amortization, net											0
Proceeds from sales and calls											(571)
Realized gains, net											571
Unrealized gains included in earnings											0
Unrealized gains included in other comprehensive income											0
Balance, end of period											0
Fair Value, Inputs, Level 3 [Member] | Servicing Rights Asset [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period								$ 1,123		$ 1,123	605
Issuances of servicing rights											451
Accretion and amortization, net											0
Proceeds from sales and calls											0
Realized gains, net											0
Unrealized gains included in earnings											67
Unrealized gains included in other comprehensive income											0
Balance, end of period											$ 1,123

Note 6 - Fair Value Measureme61

Note 6 - Fair Value Measurements and Fair Values of Financial Instruments (Details) - Estimated Fair Values, and Related Carrying Amounts, of the Financial Instruments - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Financial assets:
Cash and cash equivalents	$ 33,313	$ 31,619	$ 38,591	$ 55,016
Certificates of deposit	2,748	4,428
Available-for-sale securities	420,290	516,807
Loans held for sale	280	0
Loans, net	696,991	623,209
Accrued interest receivable	3,768	3,908
Financial liabilities:
Time deposits	221,684
Short-term borrowings	53,496	5,537
Long-term borrowings	38,767	73,060
Reported Value Measurement [Member]
Financial assets:
Available-for-sale securities	420,290	516,807
Estimate of Fair Value Measurement [Member]
Financial assets:
Available-for-sale securities	420,290	516,807
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
Financial assets:
Cash and cash equivalents	33,313	31,619
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Financial assets:
Cash and cash equivalents	33,313	31,619
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
Financial assets:
Certificates of deposit	2,748	4,428
Restricted equity securities (included in Other Assets)	4,657	1,584
Loans held for sale	280	0
Accrued interest receivable	3,768	3,908
Financial liabilities:
Deposits with no stated maturity	713,931	729,052
Time deposits	221,684	238,937
Short-term borrowings	53,496	5,537
Long-term borrowings	38,767	73,060
Accrued interest payable	70	104
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Financial assets:
Certificates of deposit	2,752	4,443
Restricted equity securities (included in Other Assets)	4,657	1,584
Loans held for sale	280	0
Accrued interest receivable	3,768	3,908
Financial liabilities:
Deposits with no stated maturity	713,931	729,052
Time deposits	221,891	239,712
Short-term borrowings	53,398	5,473
Long-term borrowings	40,166	78,866
Accrued interest payable	70	104
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member]
Financial assets:
Loans, net	696,991	623,209
Servicing rights	1,296	1,281
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Financial assets:
Loans, net	685,552	629,267
Servicing rights	$ 1,296	$ 1,281

Note 7 - Securities (Details)

Note 7 - Securities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 7 - Securities (Details) [Line Items]
Available-for-sale Securities Pledged as Collateral	$ 228,616,000	$ 369,945,000
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	0	0	$ 25,000
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	0
Available-for-sale Securities, Gross Realized Gains	2,972,000	1,328,000	1,918,000
Marketable Equity Securities [Member]
Note 7 - Securities (Details) [Line Items]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities			25,000
Bank Stocks [Member]
Note 7 - Securities (Details) [Line Items]
Available-for-sale Securities, Gross Realized Gains	2,220,000	363,000	$ 1,018,000
Federal Home Loan Bank of Pittsburgh [Member] | Other Assets [Member]
Note 7 - Securities (Details) [Line Items]
Federal Home Loan Bank Stock	4,527,000	1,454,000
Federal Home Loan Bank of Pittsburgh [Member] | FHLB Stock [Member]
Note 7 - Securities (Details) [Line Items]
Other than Temporary Impairment Losses, Investments	$ 0	$ 0

Note 7 - Securities (Details) -

Note 7 - Securities (Details) - Available-for-sale Securities - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	$ 416,455	$ 508,682
Available-for-sale securities, gross unrealized holding gains	6,573	11,377
Available-for-sale securities, gross unrealized holding losses	(2,738)	(3,252)
Available-for-sale securities, fair value	420,290	516,807
US Government Agencies Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	10,663	27,221
Available-for-sale securities, gross unrealized holding gains	12	38
Available-for-sale securities, gross unrealized holding losses	(192)	(583)
Available-for-sale securities, fair value	10,483	26,676
Obligations of States and Political Subdivisions, Tax-exempt [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	103,414	120,086
Available-for-sale securities, gross unrealized holding gains	4,365	5,134
Available-for-sale securities, gross unrealized holding losses	(22)	(381)
Available-for-sale securities, fair value	107,757	124,839
Obligations of States and Political Subdivisions, Taxable [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	34,317	33,637
Available-for-sale securities, gross unrealized holding gains	381	415
Available-for-sale securities, gross unrealized holding losses	(101)	(174)
Available-for-sale securities, fair value	34,597	33,878
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	73,227	82,479
Available-for-sale securities, gross unrealized holding gains	486	1,493
Available-for-sale securities, gross unrealized holding losses	(370)	(69)
Available-for-sale securities, fair value	73,343	83,903
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	193,145	239,620
Available-for-sale securities, gross unrealized holding gains	623	1,239
Available-for-sale securities, gross unrealized holding losses	(2,053)	(2,036)
Available-for-sale securities, fair value	191,715	238,823
Collateralized Debt Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	9	34
Available-for-sale securities, gross unrealized holding gains	0	0
Available-for-sale securities, gross unrealized holding losses	0	0
Available-for-sale securities, fair value	9	34
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	414,775	503,077
Available-for-sale securities, gross unrealized holding gains	5,867	8,319
Available-for-sale securities, gross unrealized holding losses	(2,738)	(3,243)
Available-for-sale securities, fair value	417,904	508,153
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, amortized cost	1,680	5,605
Available-for-sale securities, gross unrealized holding gains	706	3,058
Available-for-sale securities, gross unrealized holding losses	0	(9)
Available-for-sale securities, fair value	$ 2,386	$ 8,654

Note 7 - Securities (Details)64

Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	$ 142,924	$ 75,084
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(1,022)	(716)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	63,752	105,227
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(1,716)	(2,536)
Available-for-sale securities with unrealized loss positions, fair value	206,676	180,311
Available-for-sale securities with unrealized loss positions, unrealized losses	(2,738)	(3,252)
US Government Agencies Debt Securities [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	0	0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	0	0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	7,850	24,020
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(192)	(583)
Available-for-sale securities with unrealized loss positions, fair value	7,850	24,020
Available-for-sale securities with unrealized loss positions, unrealized losses	(192)	(583)
Obligations of States and Political Subdivisions, Tax-exempt [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	5,200	11,898
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(19)	(289)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	216	6,991
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(3)	(92)
Available-for-sale securities with unrealized loss positions, fair value	5,416	18,889
Available-for-sale securities with unrealized loss positions, unrealized losses	(22)	(381)
Obligations of States and Political Subdivisions, Taxable [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	10,605	4,240
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(60)	(22)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	2,910	9,159
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(41)	(152)
Available-for-sale securities with unrealized loss positions, fair value	13,515	13,399
Available-for-sale securities with unrealized loss positions, unrealized losses	(101)	(174)
Equity Securities [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	38,764	134
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(295)	(9)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	3,503	0
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(75)	0
Available-for-sale securities with unrealized loss positions, fair value	42,267	134
Available-for-sale securities with unrealized loss positions, unrealized losses	(370)	(9)
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value	88,355	58,812
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses	(648)	(396)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value	49,273	60,897
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses	(1,405)	(1,640)
Available-for-sale securities with unrealized loss positions, fair value	137,628	119,709
Available-for-sale securities with unrealized loss positions, unrealized losses	$ (2,053)	(2,036)
Collateralized Mortgage Backed Securities [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value		0
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses		0
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value		4,160
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses		(69)
Available-for-sale securities with unrealized loss positions, fair value		4,160
Available-for-sale securities with unrealized loss positions, unrealized losses		(69)
Debt Securities [Member]
Note 7 - Securities (Details) - Available-for-sale Securities With Unrealized Loss Positions [Line Items]
Available-for-sale securities with unrealized loss positions, less than 12 months, fair value		74,950
Available-for-sale securities with unrealized loss positions, less than 12 months, unrealized losses		(707)
Available-for-sale securities with unrealized loss positions, 12 months or more, fair value		105,227
Available-for-sale securities with unrealized loss positions, 12 months or more, unrealized losses		(2,536)
Available-for-sale securities with unrealized loss positions, fair value		180,177
Available-for-sale securities with unrealized loss positions, unrealized losses		$ (3,243)

Note 7 - Securities (Details)65

Note 7 - Securities (Details) - Gross Realized Gains and Losses from Available-for-sale Securities - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Gross Realized Gains and Losses from Available-for-sale Securities [Abstract]
Gross realized gains from sales									$ 2,972	$ 1,328	$ 1,918
Gross realized losses from sales									(111)	(224)	(175)
Losses from OTTI Impairment									0	0	(25)
Net realized gains	$ 1,776	$ 79	$ 932	$ 74	$ 210	$ 760	$ 103	$ 31	2,861	1,104	1,718
Income tax provision related to net realized gains									$ 1,002	$ 386	$ 601

Note 7 - Securities (Details)66

Note 7 - Securities (Details) - Available-for-sale Debt Securities by Contractual Maturity $ in Thousands	Dec. 31, 2015USD ($)
Note 7 - Securities (Details) - Available-for-sale Debt Securities by Contractual Maturity [Line Items]
Due in one year or less	$ 9,087
Due in one year or less	9,154
Due from one year through five years	60,639
Due from one year through five years	61,664
Due from five years through ten years	45,173
Due from five years through ten years	46,227
Due after ten years	33,504
Due after ten years	35,801
Subtotal	148,403
Subtotal	152,846
Total	414,775
Total	417,904
Collateralized Mortgage Obligations [Member]
Note 7 - Securities (Details) - Available-for-sale Debt Securities by Contractual Maturity [Line Items]
Available-for-sale debt securities, amortized cost	73,227
Available-for-sale debt securities, fair value	73,343
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 7 - Securities (Details) - Available-for-sale Debt Securities by Contractual Maturity [Line Items]
Available-for-sale debt securities, amortized cost	193,145
Available-for-sale debt securities, fair value	$ 191,715

Note 7 - Securities (Details)67

Note 7 - Securities (Details) - Net Impairment Losses Recognized in Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Marketable Equity Securities [Member]
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Marketable equity securities (bank stocks)	$ 0	$ 0	$ (25)

Note 8 - Loans (Details)

Note 8 - Loans (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 31, 2015	Dec. 31, 2014USD ($)	Jun. 30, 2014USD ($)	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts				1
Allowance for Credit Losses, Change in Method of Calculating Impairment		$ 0		$ 0	$ 0	$ 0
Repossessed Assets		1,189,000		1,260,000	$ 1,189,000
Mortgage Loans in Process of Foreclosure, Amount				1,173,000
Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Repossessed Assets				$ 555,000
Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) [Line Items]
Allowance for Credit Losses, Change in Method of Calculating Impairment						$ 0
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts					5	2
Financing Receivable, Modifications, Subsequent Default, Number of Contracts					1	2
Interest Only Period [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts					1
Interest Only Period [Member] | Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts						14
Reduction in Payment [Member] | Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts			1		6	1
Allowance for Credit Losses, Change in Method of Calculating Impairment		$ 0	$ 0		$ 0	$ 1,552,000
Financing Receivable, Modification, Reduced Payment Period	12 months			15 months
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down			$ 1,486,000
Reduction in Payment Amount and Interest Rate [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts					1
Extended Maturity [Member] | Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts						3
Contractual Interest Rate Reduction [Member] | Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts						2
Senior Lien [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts				2	3	6
Allowance for Credit Losses, Change in Method of Calculating Impairment				$ 0
Allowance for Loan and Lease Losses, Period Increase (Decrease)				$ 0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts				1	3	1
Senior Lien [Member] | Interest Only Period [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts				1
Senior Lien [Member] | Reduction in Payment [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts				1	1
Junior Lien [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts				1		3
Financing Receivable, Modifications, Subsequent Default, Number of Contracts					1
Loans Receivable [Member] | Credit Availability Concentration Risk [Member]
Note 8 - Loans (Details) [Line Items]
Concentration Risk, Percentage				0.00%
Payments of Interest Only Missed [Member] | Residential Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts				1
Payments of Interest Only Missed [Member] | Residential Portfolio Segment [Member] | Agricultural Loans [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts					1
Payments of Interest Only Missed [Member] | Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Number of Contracts						2
Payments of Interest Only Missed [Member] | Senior Lien [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts					1
Payments of Interest Only Missed [Member] | Junior Lien [Member] | Residential Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		1
Subsequent Default [Member]
Note 8 - Loans (Details) [Line Items]
Allowance for Credit Losses, Change in Method of Calculating Impairment		$ 0		$ 0	$ 0
Financing Receivable, Modifications, Recorded Investment		75,000		69,000	75,000
Subsequent Default [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) [Line Items]
Allowance for Credit Losses, Change in Method of Calculating Impairment		$ 0			$ 0
Minimum [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Individually Evaluated for Impairment, Threshold With Extension of Credit				200,000
Financing Receivable, Individually Evaluated for Impairment, Estimated Loss Trigger				100,000
Maximum [Member]
Note 8 - Loans (Details) [Line Items]
Financing Receivable, Individually Evaluated for Impairment, Threshold With Estimated Loss				$ 200,000

Note 8 - Loans (Details) - Loan

Note 8 - Loans (Details) - Loans Receivable - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 704,880	$ 630,545
Less: allowance for loan losses	(7,889)	(7,336)
Loans, net	696,991	623,209
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	386,090	366,416
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	39,040	36,629
Residential Portfolio Segment [Member] | Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	21,121	16,739
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	304,783	291,882
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	21,146	21,166
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	308,134	253,895
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	154,779	145,878
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	5,122	6,938
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	75,196	50,157
Commercial Portfolio Segment [Member] | Political Subdivisions [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	40,007	17,534
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	7,019	7,916
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	9,188	8,917
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,671	3,221
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	12,152	13,334
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 10,656	$ 10,234

Note 8 - Loans (Details) - Allo

Note 8 - Loans (Details) - Allowance for Loan Losses - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Residential mortgage:
Allowance foran losses				$ 7,336				$ 8,663	$ 7,336	$ 8,663	$ 6,857
Allowance foran losses, charge-offs									(562)	(2,139)	(671)
Allowance foran losses, recoveries									270	336	430
Allowance foran losses, provision (credit)	$ 319	$ 302	$ 221	3	$ 123	$ 218	$ 446	(311)	845	476	2,047
Allowance foran losses	7,889				7,336				7,889	7,336	8,663
Residential Portfolio Segment [Member]
Residential mortgage:
Allowance foran losses				3,653				3,705	3,653	3,705	3,217
Allowance foran losses, charge-offs									(217)	(327)	(95)
Allowance foran losses, recoveries									1	25	24
Allowance foran losses, provision (credit)									(19)	250	559
Allowance foran losses	3,418				3,653				3,418	3,653	3,705
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Residential mortgage:
Allowance foran losses				322				269	322	269	255
Allowance foran losses, charge-offs									0	(62)	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									25	115	14
Allowance foran losses	347				322				347	322	269
Residential Portfolio Segment [Member] | Family 1-4 Residential Construction [Member]
Residential mortgage:
Allowance foran losses				214				168	214	168	96
Allowance foran losses, charge-offs									0	0	(11)
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									(7)	46	83
Allowance foran losses	207				214				207	214	168
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Allowance foran losses				2,941				2,974	2,941	2,974	2,619
Allowance foran losses, charge-offs									(175)	(164)	(84)
Allowance foran losses, recoveries									1	25	24
Allowance foran losses, provision (credit)									(122)	106	415
Allowance foran losses	2,645				2,941				2,645	2,941	2,974
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Allowance foran losses				176				294	176	294	247
Allowance foran losses, charge-offs									(42)	(101)	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									85	(17)	47
Allowance foran losses	219				176				219	176	294
Commercial Portfolio Segment [Member]
Residential mortgage:
Allowance foran losses				3,143				4,367	3,143	4,367	2,971
Allowance foran losses, charge-offs									(251)	(1,715)	(459)
Allowance foran losses, recoveries									214	264	348
Allowance foran losses, provision (credit)									816	227	1,507
Allowance foran losses	3,922				3,143				3,922	3,143	4,367
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Residential mortgage:
Allowance foran losses				1,758				3,123	1,758	3,123	1,930
Allowance foran losses, charge-offs									(115)	(1,521)	(169)
Allowance foran losses, recoveries									208	250	344
Allowance foran losses, provision (credit)									88	(94)	1,018
Allowance foran losses	1,939				1,758				1,939	1,758	3,123
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Residential mortgage:
Allowance foran losses				688				591	688	591	581
Allowance foran losses, charge-offs									(21)	(24)	(286)
Allowance foran losses, recoveries									6	9	4
Allowance foran losses, provision (credit)									308	112	292
Allowance foran losses	981				688				981	688	591
Commercial Portfolio Segment [Member] | Political Subdivisions [Member]
Residential mortgage:
Allowance foran losses				0				0	0	0	0
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									0	0	0
Allowance foran losses	0				0				0	0	0
Commercial Portfolio Segment [Member] | Commercial Construction and Land [Member]
Residential mortgage:
Allowance foran losses				283				267	283	267	234
Allowance foran losses, charge-offs									(115)	(170)	(4)
Allowance foran losses, recoveries									0	5	0
Allowance foran losses, provision (credit)									(110)	181	37
Allowance foran losses	58				283				58	283	267
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Residential mortgage:
Allowance foran losses				165				115	165	115	129
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									(59)	50	(14)
Allowance foran losses	106				165				106	165	115
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Residential mortgage:
Allowance foran losses				87				103	87	103	67
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									588	(16)	36
Allowance foran losses	675				87				675	87	103
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Residential mortgage:
Allowance foran losses				31				30	31	30	27
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									14	1	3
Allowance foran losses	45				31				45	31	30
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member]
Residential mortgage:
Allowance foran losses				131				138	131	138	3
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									(13)	(7)	135
Allowance foran losses	118				131				118	131	138
Consumer Portfolio Segment [Member]
Residential mortgage:
Allowance foran losses				145				193	145	193	228
Allowance foran losses, charge-offs									(94)	(97)	(117)
Allowance foran losses, recoveries									55	47	58
Allowance foran losses, provision (credit)									16	2	24
Allowance foran losses	122				145				122	145	193
Unallocated Financing Receivables [Member]
Residential mortgage:
Allowance foran losses				$ 395				$ 398	395	398	441
Allowance foran losses, charge-offs									0	0	0
Allowance foran losses, recoveries									0	0	0
Allowance foran losses, provision (credit)									32	(3)	(43)
Allowance foran losses	$ 427				$ 395				$ 427	$ 395	$ 398

Note 8 - Loans (Details) - Outs

Note 8 - Loans (Details) - Outstanding Loans by Risk Rating - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Residential Mortgage:
Loans receivable	$ 704,880	$ 630,545
Pass [Member]
Residential Mortgage:
Loans receivable	671,850	591,547
Special Mention [Member]
Residential Mortgage:
Loans receivable	9,684	12,788
Substandard [Member]
Residential Mortgage:
Loans receivable	23,131	25,989
Doubtful [Member]
Residential Mortgage:
Loans receivable	215	221
Residential Portfolio Segment [Member]
Residential Mortgage:
Loans receivable	386,090	366,416
Residential Portfolio Segment [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	375,035	353,250
Residential Portfolio Segment [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	1,152	1,672
Residential Portfolio Segment [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	9,836	11,416
Residential Portfolio Segment [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	67	78
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Residential Mortgage:
Loans receivable	39,040	36,629
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	38,071	35,935
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	543	294
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	426	400
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Residential Portfolio Segment [Member] | Construction Loans [Member]
Residential Mortgage:
Loans receivable	21,121	16,739
Residential Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	21,104	16,719
Residential Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	17	20
Residential Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	0	0
Residential Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Residential Mortgage:
Loans receivable	304,783	291,882
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	295,302	280,094
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	407	1,246
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	9,007	10,464
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	67	78
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Residential Mortgage:
Loans receivable	21,146	21,166
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	20,558	20,502
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	185	112
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	403	552
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member]
Residential Mortgage:
Loans receivable	308,134	253,895
Commercial Portfolio Segment [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	286,325	228,202
Commercial Portfolio Segment [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	8,511	11,094
Commercial Portfolio Segment [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	13,150	14,456
Commercial Portfolio Segment [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	148	143
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Residential Mortgage:
Loans receivable	154,779	145,878
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	140,381	133,204
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	5,862	2,775
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	8,536	9,899
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Residential Mortgage:
Loans receivable	5,122	6,938
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	4,957	4,650
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	60	266
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	105	2,022
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Residential Mortgage:
Loans receivable	75,196	50,157
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	71,225	41,751
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	2,106	7,246
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	1,737	1,042
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	128	118
Commercial Portfolio Segment [Member] | Political Subdivisions [Member]
Residential Mortgage:
Loans receivable	40,007	17,534
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	40,007	17,534
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Residential Mortgage:
Loans receivable	7,019	7,916
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	5,084	5,990
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	483	433
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	1,432	1,468
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	20	25
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Residential Mortgage:
Loans receivable	9,188	8,917
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	7,943	8,629
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	0	288
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	1,245	0
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Residential Mortgage:
Loans receivable	4,671	3,221
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	4,655	3,196
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	16	25
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member]
Residential Mortgage:
Loans receivable	12,152	13,334
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	12,073	13,248
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	0	86
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	79	0
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	0	0
Consumer Portfolio Segment [Member]
Residential Mortgage:
Loans receivable	10,656	10,234
Consumer Portfolio Segment [Member] | Pass [Member]
Residential Mortgage:
Loans receivable	10,490	10,095
Consumer Portfolio Segment [Member] | Special Mention [Member]
Residential Mortgage:
Loans receivable	21	22
Consumer Portfolio Segment [Member] | Substandard [Member]
Residential Mortgage:
Loans receivable	145	117
Consumer Portfolio Segment [Member] | Doubtful [Member]
Residential Mortgage:
Loans receivable	$ 0	$ 0

Note 8 - Loans (Details) - Lo72

Note 8 - Loans (Details) - Loan Balances and Allowance for Loan Losses for Each Impairment Method - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Residential mortgage:
Loans receivable: individually evaluated	$ 9,974	$ 12,316
Loans receivable: collectively evaluated	694,906	618,229
Loans receivable	704,880	630,545
Allowance for loan losses: individually evaluated	820	769
Allowance for loan losses: collectively evaluated	6,642	6,172
Allowance for loan losses	7,889	7,336	$ 8,663	$ 6,857
Residential Portfolio Segment [Member]
Residential mortgage:
Loans receivable: individually evaluated	958	1,682
Loans receivable: collectively evaluated	385,132	364,734
Loans receivable	386,090	366,416
Allowance for loan losses: individually evaluated	1	358
Allowance for loan losses: collectively evaluated	3,417	3,295
Allowance for loan losses	3,418	3,653	3,705	3,217
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	0
Loans receivable: collectively evaluated	39,040	36,629
Loans receivable	39,040	36,629
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	347	322
Allowance for loan losses	347	322	269	255
Residential Portfolio Segment [Member] | Construction Loans [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	0
Loans receivable: collectively evaluated	21,121	16,739
Loans receivable	21,121	16,739
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	207	214
Allowance for loan losses	207	214
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Loans receivable: individually evaluated	884	1,665
Loans receivable: collectively evaluated	303,899	290,217
Loans receivable	304,783	291,882
Allowance for loan losses: individually evaluated	1	358
Allowance for loan losses: collectively evaluated	2,644	2,583
Allowance for loan losses	2,645	2,941	2,974	2,619
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Loans receivable: individually evaluated	74	17
Loans receivable: collectively evaluated	21,072	21,149
Loans receivable	21,146	21,166
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	219	176
Allowance for loan losses	219	176	294	247
Commercial Portfolio Segment [Member]
Residential mortgage:
Loans receivable: individually evaluated	9,016	10,634
Loans receivable: collectively evaluated	299,118	243,261
Loans receivable	308,134	253,895
Allowance for loan losses: individually evaluated	819	411
Allowance for loan losses: collectively evaluated	3,103	2,732
Allowance for loan losses	3,922	3,143	4,367	2,971
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Residential mortgage:
Loans receivable: individually evaluated	6,262	6,537
Loans receivable: collectively evaluated	148,517	139,341
Loans receivable	154,779	145,878
Allowance for loan losses: individually evaluated	97	16
Allowance for loan losses: collectively evaluated	1,842	1,742
Allowance for loan losses	1,939	1,758	3,123	1,930
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	1,939
Loans receivable: collectively evaluated	5,122	4,999
Loans receivable	5,122	6,938
Allowance for loan losses: individually evaluated	0	211
Allowance for loan losses: collectively evaluated	58	72
Allowance for loan losses	58	283
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Residential mortgage:
Loans receivable: individually evaluated	324	663
Loans receivable: collectively evaluated	74,872	49,494
Loans receivable	75,196	50,157
Allowance for loan losses: individually evaluated	75	82
Allowance for loan losses: collectively evaluated	906	606
Allowance for loan losses	981	688	591	581
Commercial Portfolio Segment [Member] | Political Subdivisions [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	0
Loans receivable: collectively evaluated	40,007	17,534
Loans receivable	40,007	17,534
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	0	0
Allowance for loan losses	0	0	0	0
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Residential mortgage:
Loans receivable: individually evaluated	1,427	1,470
Loans receivable: collectively evaluated	5,592	6,446
Loans receivable	7,019	7,916
Allowance for loan losses: individually evaluated	52	102
Allowance for loan losses: collectively evaluated	54	63
Allowance for loan losses	106	165	115	129
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Residential mortgage:
Loans receivable: individually evaluated	987	0
Loans receivable: collectively evaluated	8,201	8,917
Loans receivable	9,188	8,917
Allowance for loan losses: individually evaluated	595	0
Allowance for loan losses: collectively evaluated	80	87
Allowance for loan losses	675	87	103	67
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Residential mortgage:
Loans receivable: individually evaluated	16	25
Loans receivable: collectively evaluated	4,655	3,196
Loans receivable	4,671	3,221
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	45	31
Allowance for loan losses	45	31	30	27
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	0
Loans receivable: collectively evaluated	12,152	13,334
Loans receivable	12,152	13,334
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	118	131
Allowance for loan losses	118	131	138	3
Consumer Portfolio Segment [Member]
Residential mortgage:
Loans receivable: individually evaluated	0	0
Loans receivable: collectively evaluated	10,656	10,234
Loans receivable	10,656	10,234
Allowance for loan losses: individually evaluated	0	0
Allowance for loan losses: collectively evaluated	122	145
Allowance for loan losses	122	145	193	228
Unallocated Financing Receivables [Member]
Residential mortgage:
Allowance for loan losses	$ 427	$ 395	$ 398	$ 441

Note 8 - Loans (Details) - Impa

Note 8 - Loans (Details) - Impaired Loans - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
With no related allowance recorded:
Unpaid principal balance with no allowance	$ 9,676	$ 10,616
Recorded investment with no allowance	8,041	9,075
With a related allowance recorded:
Unpaid principal balance with an allowance	1,933	3,241
Recorded investment with an allowance	1,933	3,241
Related allowance	820	769
Total	11,609	13,857
Total	9,974	12,316
Total	820	769
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	842	950
Recorded investment with no allowance	842	950
With a related allowance recorded:
Unpaid principal balance with an allowance	42	715
Recorded investment with an allowance	42	715
Related allowance	1	358
Total	1	358
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	74	17
Recorded investment with no allowance	74	17
With a related allowance recorded:
Unpaid principal balance with an allowance	317	16
Recorded investment with an allowance	317	16
Related allowance	97	16
Total	97	16
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	7,580	8,062
Recorded investment with no allowance	5,945	6,521
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	249	513
Recorded investment with no allowance	249	513
With a related allowance recorded:
Unpaid principal balance with an allowance	75	150
Recorded investment with an allowance	75	150
Related allowance	75	82
Total	75	82
Commercial Portfolio Segment [Member] | Commercial Construction and Land [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	0	124
Recorded investment with no allowance	0	124
With a related allowance recorded:
Unpaid principal balance with an allowance	0	1,815
Recorded investment with an allowance	0	1,815
Related allowance	0	211
Total	0	211
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	915	925
Recorded investment with no allowance	915	925
With a related allowance recorded:
Unpaid principal balance with an allowance	512	545
Recorded investment with an allowance	512	545
Related allowance	52	102
Total	52	102
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
With no related allowance recorded:
Unpaid principal balance with no allowance	16	25
Recorded investment with no allowance	16	25
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
With a related allowance recorded:
Unpaid principal balance with an allowance	987	0
Recorded investment with an allowance	987	0
Related allowance	595	0
Total	$ 595	$ 0

Note 8 - Loans (Details) - Aver

Note 8 - Loans (Details) - Average Balance of Impaired Loans and Income Recognized on Impaired Loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Residential mortgage:
Average investment in impaired loans	$ 11,375	$ 14,359	$ 9,690
Interest income recognized on impaired loans	596	703	426
Residential Portfolio Segment [Member]
Residential mortgage:
Average investment in impaired loans	2,270	4,440	3,579
Interest income recognized on impaired loans	90	84	216
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Average investment in impaired loans	2,206	4,272	3,334
Interest income recognized on impaired loans	86	81	199
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Residential mortgage:
Average investment in impaired loans	64	168	245
Interest income recognized on impaired loans	4	3	17
Commercial Portfolio Segment [Member]
Residential mortgage:
Average investment in impaired loans	9,105	9,918	6,107
Interest income recognized on impaired loans	506	619	210
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Residential mortgage:
Average investment in impaired loans	6,357	7,192	2,931
Interest income recognized on impaired loans	380	469	90
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Residential mortgage:
Average investment in impaired loans	438	877	941
Interest income recognized on impaired loans	20	37	35
Commercial Portfolio Segment [Member] | Commercial Construction and Land [Member]
Residential mortgage:
Average investment in impaired loans	40	395	999
Interest income recognized on impaired loans	0	9	14
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Residential mortgage:
Average investment in impaired loans	1,459	1,413	1,171
Interest income recognized on impaired loans	103	101	66
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Residential mortgage:
Average investment in impaired loans	790	0	22
Interest income recognized on impaired loans	0	0	2
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Residential mortgage:
Average investment in impaired loans	21	41	43
Interest income recognized on impaired loans	3	3	3
Consumer Portfolio Segment [Member]
Residential mortgage:
Average investment in impaired loans	0	1	4
Interest income recognized on impaired loans	$ 0	$ 0	$ 0

Note 8 - Loans (Details) - Nona

Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	$ 3,229	$ 2,843
Nonaccrual loans	11,517	12,610
Real Estate Loan [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	503	653
Nonaccrual loans	5,730	5,804
Commercial and Industrial [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	65	5
Nonaccrual loans	313	379
Construction Loans [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	0	35
Nonaccrual loans	0	1,915
Loans Secured by Farmland [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	0	0
Nonaccrual loans	1,427	951
Multi-family (5 or more) Residential [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	0	0
Nonaccrual loans	987	0
Agricultural Loans [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	0	0
Nonaccrual loans	16	25
Residential Portfolio Segment [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	2,590	2,120
Nonaccrual loans	3,044	3,512
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	130	49
Nonaccrual loans	0	22
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	2,381	1,989
Nonaccrual loans	3,044	3,440
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	79	82
Nonaccrual loans	0	50
Commercial Portfolio Segment [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	568	693
Nonaccrual loans	8,473	9,074
Consumer Portfolio Segment [Member]
Note 8 - Loans (Details) - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing [Line Items]
Loans past due 90+ days and accruing	71	30
Nonaccrual loans	$ 0	$ 24

Note 8 - Loans (Details) - Cont

Note 8 - Loans (Details) - Contractual Aging of Loans - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	$ 704,880	$ 630,545
Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	690,177	614,930
Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	7,350	7,490
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	7,353	8,125
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	386,090	366,416
Residential Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	375,221	356,658
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	6,736	5,891
Residential Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	4,133	3,867
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	39,040	36,629
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	38,581	36,300
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	329	258
Residential Portfolio Segment [Member] | Home Equity Line of Credit1 [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	130	71
Residential Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	21,121	16,739
Residential Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	21,121	16,739
Residential Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Residential Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	304,783	291,882
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	294,703	282,766
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	6,156	5,443
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	3,924	3,673
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	21,146	21,166
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	20,816	20,853
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	251	190
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	79	123
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	308,134	253,895
Commercial Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	304,419	248,108
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	566	1,559
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	3,149	4,228
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	154,779	145,878
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	153,427	143,713
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	108	883
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	1,244	1,282
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	5,122	6,938
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	5,018	4,897
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	104	91
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	1,950
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	75,196	50,157
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	75,002	49,994
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	118	43
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	76	120
Commercial Portfolio Segment [Member] | Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	40,007	17,534
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	40,007	17,534
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Commercial Portfolio Segment [Member] | Political Subdivisions [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	7,019	7,916
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	5,970	6,811
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	223	254
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	826	851
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	9,188	8,917
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	8,201	8,720
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	197
Commercial Portfolio Segment [Member] | Multi-family (5 or more) Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	987	0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	4,671	3,221
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	4,642	3,105
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	13	91
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	16	25
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	12,152	13,334
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	12,152	13,334
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	10,656	10,234
Consumer Portfolio Segment [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	10,537	10,164
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	48	40
Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	$ 71	$ 30

Note 8 - Loans (Details) - Co77

Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans [Line Items]
Loans current and past due	$ 11,517	$ 12,610
Nonaccrual Loans [Member]
Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans [Line Items]
Loans current and past due	11,517	12,610
Nonaccrual Loans [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans [Line Items]
Loans current and past due	7,100	6,959
Nonaccrual Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans [Line Items]
Loans current and past due	293	369
Nonaccrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Note 8 - Loans (Details) - Contractual Aging of Nonaccrual Loans [Line Items]
Loans current and past due	$ 4,124	$ 5,282

Note 8 - Loans (Details) - Agin

Note 8 - Loans (Details) - Aging of Troubled Debt Restructings - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	$ 704,880	$ 630,545
Troubled debt restructurings, nonaccrual	11,517	12,610
Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	690,177	614,930
Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	7,350	7,490
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	7,353	8,125
Troubled Debt Restructuring [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	6,364	7,195
Troubled debt restructurings, nonaccrual	5,097	5,388
Troubled Debt Restructuring [Member] | Financing Receivables, 1 to 29 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	1,186	1,725
Troubled Debt Restructuring [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	0	82
Troubled Debt Restructuring [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, current & past due	$ 81	$ 0

Note 8 - Loans (Details) - Trou

Note 8 - Loans (Details) - Troubled Debt Restructurings $ in Thousands	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts	1
Troubled debt restructurings, pre-modification outstanding recorded investment	$ 30
Troubled debt restructurings, post-modification outstanding recorded investment	$ 30
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts	2	3	6
Troubled debt restructurings, pre-modification outstanding recorded investment	$ 298	$ 150	$ 677
Troubled debt restructurings, post-modification outstanding recorded investment	$ 298	$ 150	$ 677
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts	1		3
Troubled debt restructurings, pre-modification outstanding recorded investment	$ 32		$ 102
Troubled debt restructurings, post-modification outstanding recorded investment	$ 32		$ 102
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts		5	2
Troubled debt restructurings, pre-modification outstanding recorded investment		$ 6,679	$ 866
Troubled debt restructurings, post-modification outstanding recorded investment		$ 5,193	$ 866
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts		1	3
Troubled debt restructurings, pre-modification outstanding recorded investment		$ 80	$ 701
Troubled debt restructurings, post-modification outstanding recorded investment		$ 80	$ 701
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts			4
Troubled debt restructurings, pre-modification outstanding recorded investment			$ 512
Troubled debt restructurings, post-modification outstanding recorded investment			$ 512
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts			1
Troubled debt restructurings, pre-modification outstanding recorded investment			$ 13
Troubled debt restructurings, post-modification outstanding recorded investment			$ 13
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings, number of contracts			1
Troubled debt restructurings, pre-modification outstanding recorded investment			$ 6
Troubled debt restructurings, post-modification outstanding recorded investment			$ 6

Note 8 - Loans (Details) - Defa

Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications $ in Thousands	12 Months Ended
	Dec. 31, 2015USD ($)	Dec. 31, 2014USD ($)	Dec. 31, 2013USD ($)
Residential Portfolio Segment [Member] | Senior Lien [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts	1	3	1
Troubled debt restructuring defaults, recorded investment	$ 32	$ 257	$ 85
Residential Portfolio Segment [Member] | Junior Lien [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts		1
Troubled debt restructuring defaults, recorded investment		$ 62
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts		1	2
Troubled debt restructuring defaults, recorded investment		$ 429	$ 588
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts		1	1
Troubled debt restructuring defaults, recorded investment		$ 25	$ 110
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts		4
Troubled debt restructuring defaults, recorded investment		$ 490
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Note 8 - Loans (Details) - Defaults on Loans with Previous Modifications [Line Items]
Troubled debt restructuring defaults, number of contracts		1	1
Troubled debt restructuring defaults, recorded investment		$ 13	$ 13

Note 9 - Bank Premises and Eq81

Note 9 - Bank Premises and Equipment (Details) - Bank Premises and Equipment - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 48,075	$ 47,301
Less: accumulated depreciation	(32,669)	(31,045)
Net	15,406	16,256
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	2,818	2,818
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	27,092	26,973
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	17,922	17,412
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	$ 243	$ 98

Note 9 - Bank Premises and Eq82

Note 9 - Bank Premises and Equipment (Details) - Depreciation Expense - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 9 - Bank Premises and Equipment (Details) - Depreciation Expense [Line Items]
Depreciation expense	$ 1,888	$ 1,940	$ 2,020
Occupancy Expense [Member]
Note 9 - Bank Premises and Equipment (Details) - Depreciation Expense [Line Items]
Depreciation expense	954	998	1,022
Furniture and Fixtures Expense [Member]
Note 9 - Bank Premises and Equipment (Details) - Depreciation Expense [Line Items]
Depreciation expense	$ 934	$ 942	$ 998

Note 10 - Intangible Assets (De

Note 10 - Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure Text Block [Abstract]
Goodwill, Period Increase (Decrease)	$ 0	$ 0
Goodwill	11,942,000	11,942,000
Goodwill, Acquired During Period	0	0
Amortization of Intangible Assets	$ 22,000	$ 35,000	$ 51,000

Note 10 - Intangible Assets (84

Note 10 - Intangible Assets (Details) - Core Deposit Intangibles - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Core Deposit Intangibles [Abstract]
Gross amount	$ 2,034	$ 2,034
Less: accumulated amortization	(2,004)	(1,982)
Net	$ 30	$ 52

Note 11 - Deposits (Details)

Note 11 - Deposits (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure Text Block [Abstract]
Interest Expense, Time Deposits, $100,000 or More	$ 482,000	$ 563,000	$ 721,000

Note 11 - Deposits (Details) -

Note 11 - Deposits (Details) - Scheduled Maturities of Time Deposits $ in Thousands	Dec. 31, 2015USD ($)
Scheduled Maturities of Time Deposits [Abstract]
2,016	$ 124,562
2,017	53,985
2,018	19,611
2,019	10,091
2,020	13,424
Thereafter	11
	$ 221,684

Note 11 - Deposits (Details) 87

Note 11 - Deposits (Details) - Remaining Maturities of Time Deposits In Excess of $100,000 $ in Thousands	Dec. 31, 2015USD ($)
Remaining Maturities of Time Deposits In Excess of $100,000 [Abstract]
Three months or less	$ 35,167
Over 3 months through 12 months	9,330
Over 1 year through 3 years	12,358
Over 3 years	8,248
Total	$ 65,103

Note 12 - Borrowed Funds (Detai

Note 12 - Borrowed Funds (Details) - USD ($)	3 Months Ended				12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 12 - Borrowed Funds (Details) [Line Items]
Short-term Debt, Weighted Average Interest Rate	0.60%				0.60%	0.10%
Line of Credit Facility, Maximum Month-end Outstanding Amount					$ 53,496,000	$ 7,919,000	$ 23,385,000
Available-for-sale Securities Pledged as Collateral	$ 228,616,000				228,616,000	369,945,000
Short-term Debt	53,496,000				53,496,000	5,537,000
Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned	12,613,000				12,613,000	15,229,000
Gains (Losses) on Extinguishment of Debt	(1,663,000)	$ 0	$ (910,000)	$ 0	(2,573,000)	0	(1,023,000)
Repayments of Long-term Debt					36,866,000	278,000	$ 11,497,000
Securities Sold under Agreements to Repurchase, Asset	$ 33,780,000				$ 33,780,000	$ 70,982,000
Repurchase Agreements [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Debt, Weighted Average Interest Rate	3.99%				3.99%	4.02%	4.01%
Short-term Debt, Average Outstanding Amount					$ 54,304,000	$ 61,000,000	$ 62,630,000
Other Short-term Debt [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Short-term Debt, Weighted Average Interest Rate	0.86%				0.86%
Short-term Debt	$ 2,090,000				$ 2,090,000
Number of Short-term Advances	12				12
Securities Sold under Agreements to Repurchase [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Short-term Debt	$ 4,915,000				$ 4,915,000	$ 5,537,000
Debt, Weighted Average Interest Rate	0.10%				0.10%	0.10%
Repurchase Agreement Maturing in 2017 with a Rate of 4.265% [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.265%				4.265%	4.265%
Gains (Losses) on Extinguishment of Debt					$ (2,573,000)
Repayments of Long-term Debt					$ 34,000,000
Prepaid Debt, Weighted Average Interest Rate	4.265%				4.265%
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.595%				3.595%	3.595%
Gain (Loss) on Repurchase of Debt Instrument							$ (1,023,000)
Other Correspondent Banks [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 45,000,000				$ 45,000,000	$ 45,000,000
Long-term Line of Credit	0				0	0
Federal Reserve Bank of Philadelphia [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	19,606,000				19,606,000	25,367,000
Long-term Line of Credit	0				0	0
Available-for-sale Securities Pledged as Collateral	20,039,000				20,039,000	26,092,000
Federal Home Loan Bank of Pittsburgh [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	322,709,000				322,709,000	323,067,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	450,883,000				450,883,000	446,780,000
Line of Credit Facility, Remaining Borrowing Capacity	262,361,000				262,361,000	311,007,000
Short-term Debt	48,581,000				48,581,000	0
Federal Home Loan Bank of Pittsburgh [Member] | Overnight Borrowings [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Short-term Debt	$ 23,500,000				$ 23,500,000	0
Debt Instrument, Interest Rate, Stated Percentage	0.43%				0.43%
Federal Home Loan Bank of Pittsburgh [Member] | Other Short-term Debt [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Short-term Debt	$ 25,081,000				$ 25,081,000	0
Federal Home Loan Bank of Pittsburgh [Member] | Other Assets [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Federal Home Loan Bank Stock	$ 4,527,000				$ 4,527,000	1,454,000
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Prepaid Debt, Weighted Average Interest Rate							3.595%
Minimum [Member] | Other Short-term Debt [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.54%				0.54%
Maximum [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Securities Sold under Agreements to Repurchase, Asset	$ 61,000,000				$ 61,000,000	$ 61,000,000	$ 68,000,000
Maximum [Member] | Other Short-term Debt [Member]
Note 12 - Borrowed Funds (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	1.052%				1.052%

Note 12 - Borrowed Funds (Det89

Note 12 - Borrowed Funds (Details) - Short-term Borrowings - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Short-term Debt [Line Items]
Short-term debt	$ 53,496,000	$ 5,537,000
Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term debt	4,915,000	5,537,000
Other Short-term Debt [Member]
Short-term Debt [Line Items]
Short-term debt	2,090,000
Federal Home Loan Bank of Pittsburgh [Member]
Short-term Debt [Line Items]
Short-term debt	48,581,000	0
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Advances [Member]
Short-term Debt [Line Items]
Short-term debt	48,581,000	0
Federal Home Loan Bank of Pittsburgh [Member] | Overnight Borrowings [Member]
Short-term Debt [Line Items]
Short-term debt	23,500,000	0
Federal Home Loan Bank of Pittsburgh [Member] | Other Short-term Debt [Member]
Short-term Debt [Line Items]
Short-term debt	$ 25,081,000	$ 0

Note 12 - Borrowed Funds (Det90

Note 12 - Borrowed Funds (Details) - Long-term Borrowings - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Long-term borrowings	$ 38,767	$ 73,060
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term borrowings	11,767	12,060
Repurchase Agreements [Member]
Debt Instrument [Line Items]
Long-term borrowings	$ 27,000	$ 61,000

Note 12 - Borrowed Funds (Det91

Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	$ 38,767	$ 73,060
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	27,000	27,000
Repurchase Agreement Maturing in 2017 with a Rate of 4.265% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	0	34,000
Repurchase Agreements [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	27,000	61,000
Federal Home Loan Bank of Pittsburgh [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	11,767	12,060
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2016 With Rate of 6.86% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	57	107
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 6.83% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	10	16
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 3.81% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	10,000	10,000
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2020 With Rate of 4.79% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	821	987
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2025 With Rate of 4.91% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	$ 879	$ 950

Note 12 - Borrowed Funds (Det92

Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals)	Dec. 31, 2015	Dec. 31, 2014
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	3.595%	3.595%
Repurchase Agreement Maturing in 2017 with a Rate of 4.265% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	4.265%	4.265%
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2016 With Rate of 6.86% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	6.86%	6.86%
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 6.83% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	6.83%	6.83%
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 3.81% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	3.81%	3.81%
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2020 With Rate of 4.79% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	4.79%	4.79%
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2025 With Rate of 4.91% [Member]
Note 12 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	4.91%	4.91%

Note 12 - Borrowed Funds (Det93

Note 12 - Borrowed Funds (Details) - Underlying Securities - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Assets Sold under Agreements to Repurchase [Line Items]
Underlying securities	$ 33,780,000	$ 70,982,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Underlying securities	15,772,000	24,114,000
Collateralized Mortgage Obligations [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Underlying securities	$ 18,008,000	$ 46,868,000

Note 13 - Employee and Postre94

Note 13 - Employee and Postretirement Benefit Plans (Details)	2 Months Ended	12 Months Ended
	Feb. 29, 2016USD ($)shares	Dec. 31, 2015USD ($)shares	Dec. 31, 2014USD ($)shares	Dec. 31, 2013USD ($)shares
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation		$ 337,000
Defined Benefit Plan Benefits Paid Percentage of Benefit Obligation		32.00%
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements		$ (87,000)
Pension and Other Postretirement Benefit Contributions		$ 609,000	$ 595,000	$ 557,000
Employee Stock Ownership Plan (ESOP), Diversification Feature, Age Requirement		55
Deferred Compensation Arrangement with Individual, Requisite Service Period		10 years
Employee Stock Ownership Plan ESOP Diversification Feature Percentage		50.00%
Employee Stock Ownership Plan ESOP Policy Diversification Feature Term		6 years
EmployeeStockOwnershipPlanESOPSharesRepurchased (in Shares) | shares		0	0
Employee Stock Ownership Plan (ESOP), Shares in ESOP (in Shares) | shares		410,004	409,197
Employee Stock Ownership Plan (ESOP), Cash Contributions to ESOP		$ 522,000	$ 512,000	509,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term		4 years 219 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		$ 629,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value		77,000	90,000	29,000
Allocated Share-based Compensation Expense		606,000	565,000	696,000
Pension Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation		337,000	$ 781,000
Defined Benefit Plan Benefits Paid Percentage of Benefit Obligation			42.00%
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements		(87,000)	$ (196,000)	0
Defined Benefit Plan, Future Amortization of Gain (Loss)		(10,000)
Defined Benefit Plan, Accumulated Benefit Obligation		722,000	1,085,000
Other Postretirement Benefit Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Settlements, Benefit Obligation		0	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements		0	0	0
Defined Benefit Plan, Future Amortization of Gain (Loss)		0
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)		31,000
Supplemental Employee Retirement Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Officers' Compensation		$ 167,000	$ 138,000	186,000
Scenario, Forecast [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Allocated Share-based Compensation Expense	$ 651,000
Equity Securities [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations		46.00%	26.00%
Debt Securities [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations		38.00%	61.00%
Alternative Funds [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations		14.00%	11.00%
Cash and Cash Equivalents [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations		2.00%	2.00%
Employee Stock Option [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares		34,800
Allocated Share-based Compensation Expense		$ 0	$ 153,000	242,000
Restricted Stock [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 645,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 255 days
Allocated Share-based Compensation Expense		$ 606,000	$ 412,000	$ 454,000
Stock Incentive Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) | shares		850,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | shares		294,275
Stock Incentive Plan [Member] | Employee Stock Option [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		6 months
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Stock Incentive Plan [Member] | Restricted Stock [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share Based Compensation Arrangement by Share Based Payment Award Contingent Vesting Shares (in Shares) | shares		20,298
Stock Incentive Plan [Member] | Restricted Stock [Member] | Subsequent Event [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share Based Compensation Arrangement by Share Based Payment Award Contingent Vesting Shares (in Shares) | shares	8,645
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares	27,593
Stock Incentive Plan [Member] | Performance Shares [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares		2,198
Stock Incentive Plan [Member] | Performance Shares [Member] | Chief Executive Officer [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares		5,174
Independent Directors Stock Incentive Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) | shares		135,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | shares				29,702
Independent Directors Stock Incentive Plan [Member] | Restricted Stock [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		1 year	3 years	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares		7,130
Independent Directors Stock Incentive Plan [Member] | Restricted Stock [Member] | Subsequent Event [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) | shares	6,606
Minimum [Member] | Stock Incentive Plan [Member] | Restricted Stock [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Maximum [Member] | Stock Incentive Plan [Member] | Restricted Stock [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years

Note 13 - Employee and Postre95

Note 13 - Employee and Postretirement Benefit Plans (Details) - Funded Status of Defined Benefit Plans - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
CHANGE IN BENEFIT OBLIGATION:
Settlement of plan obligation	$ (337,000)
Pension Plan [Member]
CHANGE IN BENEFIT OBLIGATION:
Benefit obligation at beginning of year	1,085,000	$ 1,733,000
Service cost	0	0	$ 0
Interest cost	36,000	73,000	71,000
Plan participants' contributions	0	0
Actuarial (gain) loss	(46,000)	76,000
Benefits paid	(16,000)	(16,000)
Settlement of plan obligation	(337,000)	(781,000)
Benefit obligation at end of year	722,000	1,085,000	1,733,000
CHANGE IN PLAN ASSETS:
Fair value of plan assets at beginning of year	1,208,000	1,968,000
Actual return on plan assets	(16,000)	37,000
Employer contribution	0	0
Plan participants' contributions	0	0
Benefits paid	(16,000)	(16,000)
Settlement of plan obligation	(337,000)	(781,000)
Fair value of plan assets at end of year	1,208,000	1,968,000	1,968,000	$ 839,000
Funded status at end of year	117,000	123,000
Other Postretirement Benefit Plan [Member]
CHANGE IN BENEFIT OBLIGATION:
Benefit obligation at beginning of year	1,378,000	1,391,000
Service cost	38,000	34,000	41,000
Interest cost	57,000	57,000	55,000
Plan participants' contributions	203,000	198,000
Actuarial (gain) loss	120,000	(48,000)
Benefits paid	(257,000)	(254,000)
Settlement of plan obligation	0	0
Benefit obligation at end of year	1,539,000	1,378,000	1,391,000
CHANGE IN PLAN ASSETS:
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contribution	54,000	56,000
Plan participants' contributions	203,000	198,000
Benefits paid	(257,000)	(254,000)
Settlement of plan obligation	0	0
Fair value of plan assets at end of year	0	0	$ 0	$ 0
Funded status at end of year	$ (1,539,000)	$ (1,378,000)

Note 13 - Employee and Postre96

Note 13 - Employee and Postretirement Benefit Plans (Details) - Plan Assets and liabilities - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Pension Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Plan Assets and liabilities [Line Items]
Other assets	$ 117	$ 123
Other Postretirement Benefit Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Plan Assets and liabilities [Line Items]
Accrued interest and other liabilities	$ 1,539	$ 1,378

Note 13 - Employee and Postre97

Note 13 - Employee and Postretirement Benefit Plans (Details) - Items Included in Accumulated Other Comprehensive Income - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 13 - Employee and Postretirement Benefit Plans (Details) - Items Included in Accumulated Other Comprehensive Income [Line Items]
Total	$ (35)	$ (79)
Pension Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Items Included in Accumulated Other Comprehensive Income [Line Items]
Prior service cost	0	0
Net actuarial loss	186	269
Total	186	269
Other Postretirement Benefit Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Items Included in Accumulated Other Comprehensive Income [Line Items]
Prior service cost	(371)	(402)
Net actuarial loss	131	11
Total	$ (240)	$ (391)

Note 13 - Employee and Postre98

Note 13 - Employee and Postretirement Benefit Plans (Details) - Net Periodic Benefit Costs - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Loss on settlement	$ 87,000
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	$ 0	$ 0
Interest cost	36,000	73,000	71,000
Expected return on plan assets	(45,000)	(88,000)	(90,000)
Amortization of prior service cost	0	0	0
Recognized net actuarial loss	11,000	19,000	32,000
Loss on settlement	87,000	196,000	0
Total net periodic benefit cost	89,000	200,000	13,000
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	38,000	34,000	41,000
Interest cost	57,000	57,000	55,000
Expected return on plan assets	0	0	0
Amortization of prior service cost	(31,000)	(31,000)	(31,000)
Recognized net actuarial loss	0	0	1,000
Loss on settlement	0	0	0
Total net periodic benefit cost	$ 64,000	$ 60,000	$ 66,000

Note 13 - Employee and Postre99

Note 13 - Employee and Postretirement Benefit Plans (Details) - Assumptions Used to Determine Net Periodic Benefit Cost	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Plan [Member]
Citizens Trust Company Retirement Plan and postretirement plan:
Discount rate	3.75%	4.50%	4.00%
Expected return on plan assets	5.31%	5.31%	5.31%
Rate of compensation increase
Other Postretirement Benefit Plan [Member]
Citizens Trust Company Retirement Plan and postretirement plan:
Discount rate	4.00%	4.00%	4.00%
Expected return on plan assets
Rate of compensation increase

Note 13 - Employee and Postr100

Note 13 - Employee and Postretirement Benefit Plans (Details) - Assumptions Used to Determine Benefit Obligations	Dec. 31, 2015	Dec. 31, 2014
Pension Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Assumptions Used to Determine Benefit Obligations [Line Items]
Discount rate	4.30%	3.75%
Rate of compensation increase
Other Postretirement Benefit Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Assumptions Used to Determine Benefit Obligations [Line Items]
Discount rate	4.25%	4.00%
Rate of compensation increase

Note 13 - Employee and Postr101

Note 13 - Employee and Postretirement Benefit Plans (Details) - Estimated Future Benefit Payments $ in Thousands	Dec. 31, 2015USD ($)
Pension Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Estimated Future Benefit Payments [Line Items]
2,016	$ 250
2,017	15
2,018	14
2,019	39
2,020	13
2021-2025	214
Other Postretirement Benefit Plan [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - Estimated Future Benefit Payments [Line Items]
2,016	92
2,017	96
2,018	102
2,019	105
2,020	110
2021-2025	$ 550

Note 13 - Employee and Postr102

Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets	Dec. 31, 2015	Dec. 31, 2014
Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets [Line Items]
Weighted average asset allocation	100.00%	100.00%
Cash and Cash Equivalents [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets [Line Items]
Weighted average asset allocation	2.00%	3.00%
Debt Securities [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets [Line Items]
Weighted average asset allocation	38.00%	37.00%
Equity Securities [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets [Line Items]
Weighted average asset allocation	46.00%	47.00%
Alternative Funds [Member]
Note 13 - Employee and Postretirement Benefit Plans (Details) - The Fair Values of Pension Plan Assets [Line Items]
Weighted average asset allocation	14.00%	13.00%

Note 13 - Employee and Postr103

Note 13 - Employee and Postretirement Benefit Plans (Details) - Stock Option Fair Value Assumptions	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Option Fair Value Assumptions [Abstract]
Volatility	39.00%	41.00%
Expected option lives (Years)	8 years	8 years
Risk-free interest rate	2.85%	1.60%
Dividend yield	4.33%	3.69%

Note 13 - Employee and Postr104

Note 13 - Employee and Postretirement Benefit Plans (Details) - Stock-Based Compensation Expense - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 606	$ 565	$ 696
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	0	153	242
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 606	$ 412	$ 454

Note 13 - Employee and Postr105

Note 13 - Employee and Postretirement Benefit Plans (Details) - Stock Option Activity - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock Option Activity [Abstract]
Outstanding, beginning of year (in Shares)	316,157	358,176	337,670
Outstanding, beginning of year	$ 19.05	$ 19.03	$ 19.08
Granted (in Shares)	0	39,027	64,050
Granted		$ 20.45	$ 19.21
Exercised (in Shares)	(29,557)	(50,415)	(10,656)
Exercised	$ 17.56	$ 17.57	$ 17.22
Forfeited (in Shares)	(20,211)	(16,424)	(14,135)
Forfeited	$ 19.76	$ 20.03	$ 20.13
Expired (in Shares)	(17,903)	(14,207)	(18,753)
Expired	$ 27	$ 26.59	$ 20.73
Outstanding, end of year (in Shares)	248,486	316,157	358,176
Outstanding, end of year	$ 18.59	$ 19.05	$ 19.03
Options exercisable at year-end (in Shares)	248,486	316,157	358,176
Options exercisable at year-end	$ 18.59	$ 19.05	$ 19.03
Weighted-average fair value of options granted		5.50	5.56
Weighted-average fair value of options forfeited	$ 4.86	$ 4.89	$ 3.77

Note 13 - Employee and Postr106

Note 13 - Employee and Postretirement Benefit Plans (Details) - Non-Vested Stock Options and Restricted Stock Activity - Employee Stock Option [Member]	12 Months Ended
	Dec. 31, 2015$ / sharesshares
Note 13 - Employee and Postretirement Benefit Plans (Details) - Non-Vested Stock Options and Restricted Stock Activity [Line Items]
Outstanding, December 31, 2014 | shares	52,436
Outstanding, December 31, 2014 | $ / shares	$ 19.34
Granted | shares	34,800
Granted | $ / shares	$ 20.63
Vested | shares	(21,522)
Vested | $ / shares	$ 19.16
Forfeited | shares	(3,502)
Forfeited | $ / shares	$ 20.08
Outstanding, December 31, 2015 | shares	62,212
Outstanding, December 31, 2015 | $ / shares	$ 20.10

Note 14 - Income Taxes (Details

Note 14 - Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 14 - Income Taxes (Details) [Line Items]
Income Tax Credits and Adjustments	$ 158,000	$ 159,000	$ 160,000
Income Tax Expense (Benefit) Increase (Decrease)	80,000	83,000	$ 85,000
Unrecognized Tax Benefits	0
Other Assets [Member]
Note 14 - Income Taxes (Details) [Line Items]
Amortization Method Qualified Affordable Housing Project Investments	$ 812,000	$ 906,000

Note 14 - Income Taxes (Detail

Note 14 - Income Taxes (Details) - Net Deferred Tax Assets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Net realized losses on securities	$ 69	$ 144
Allowance for loan losses	2,761	2,568
Credit for alternative minimum tax paid	0	537
Other deferred tax assets	2,634	2,595
Total deferred tax assets	5,464	5,844
Deferred tax liabilities:
Unrealized holding gains on securities	1,342	2,844
Defined benefit plans - ASC 835	19	43
Bank premises and equipment	869	1,134
Core deposit intangibles	11	18
Other deferred tax liabilities	108	137
Total deferred tax liabilities	2,349	4,176
Deferred tax asset, net	$ 3,115	$ 1,668

Note 14 - Income Taxes (Det109

Note 14 - Income Taxes (Details) - Provision for Income Taxes - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Provision for Income Taxes [Abstract]
Currently payable	$ 1,261	$ 1,395	$ 1,452	$ 1,229	$ 1,482	$ 1,411	$ 1,400	$ 1,399	$ 5,097	$ 4,280	$ 4,125
Tax expense resulting from allocations of certain tax benefits to equity or as a reduction in other assets									161	158	219
Deferred									79	1,254	1,839
Total provision									$ 5,337	$ 5,692	$ 6,183

Note 14 - Income Taxes (Det110

Note 14 - Income Taxes (Details) - Reconciliation of Income Tax - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of Income Tax [Abstract]
Expected provision	$ 7,633	$ 7,972	$ 8,672
Expected provision	35.00%	35.00%	35.00%
Tax-exempt interest income	$ (1,914)	$ (1,982)	$ (2,137)
Tax-exempt interest income	(8.78%)	(8.70%)	(8.62%)
Nondeductible interest expense	$ 51	$ 56	$ 60
Nondeductible interest expense	0.23%	0.25%	0.24%
Dividends received deduction	$ (75)	$ (79)	$ (76)
Dividends received deduction	(0.34%)	(0.35%)	(0.31%)
Increase in cash surrender value of life insurance	$ (135)	$ (132)	$ (140)
Increase in cash surrender value of life insurance	(0.62%)	(0.58%)	(0.57%)
Employee stock option compensation	$ 0	$ 41	$ 67
Employee stock option compensation	0.00%	0.18%	0.27%
Tax benefit from limited partnership investment	$ (80)	$ (83)	$ (85)
Tax benefit from limited partnership investment	(0.37%)	(0.36%)	(0.34%)
Other, net	$ (143)	$ (101)	$ (178)
Other, net	(0.66%)	(0.44%)	(0.72%)
Effective income tax provision	$ 5,337	$ 5,692	$ 6,183
Effective income tax provision	24.47%	24.99%	24.95%

Note 15 - Related Party Tran111

Note 15 - Related Party Transactions (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Related Party Transactions [Abstract]
Related Party Deposit Liabilities	$ 3,194,000	$ 3,203,000

Note 15 - Related Party Tran112

Note 15 - Related Party Transactions (Details) - Related Party Loans - Management [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Transaction [Line Items]
Beginning balance	$ 12,023	$ 12,547	$ 14,125
New loans	52	188	1,110
Repayments	(808)	(1,358)	(2,723)
Other changes	(1,021)	646	35
Ending balance	$ 10,246	$ 12,023	$ 12,547

Note 16 - Off-balance Sheet 113

Note 16 - Off-balance Sheet Risk (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Disclosure Text Block Supplement [Abstract]
Letters of Credit Outstanding, Amount	$ 0	$ 0

Note 16 - Off-balance Sheet 114

Note 16 - Off-balance Sheet Risk (Details) - Financial Instruments Whose Contract Amounts Represent Credit Risk - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Commitments to Extend Credit [Member]
Concentration Risk [Line Items]
Credit risk financial instrument	$ 156,407	$ 143,863
Standby Letters of Credit [Member]
Concentration Risk [Line Items]
Credit risk financial instrument	$ 13,340	$ 13,415

Note 16 - Off-balance Sheet 115

Note 16 - Off-balance Sheet Risk (Details) - Standby Letters of Credit Expirations $ in Thousands	Dec. 31, 2015USD ($)
Standby Letters of Credit Expirations [Abstract]
2,016	$ 10,767
2,017	371
2,019	40
2021 and Thereafter	2,162
Total	$ 13,340

Note 18 - Regulatory Matters (D

Note 18 - Regulatory Matters (Details)	Dec. 31, 2015USD ($)
Disclosure Text Block [Abstract]
Capital Conservation Buffer	2.50%
Retained Earnings, Unappropriated	$ 87,471,000
Tangible Capital to Tangible Assets	10.00%
Tangible Capital	$ 15,733,000

Note 18 - Regulatory Matters117

Note 18 - Regulatory Matters (Details) - Capital Amounts and Ratios - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Total capital to risk-weighted assets:
Total capital to risk-weighted assets - minimum capital requirement ratio	8.00%
Tier 1 capital to risk-weighted assets:
Tier 1 capital to risk-weighted assets - minimum capital requirement ratio	6.00%
Common equity tier 1 capital to risk-weighted assets:
Common equity tier 1 capital to risk-weighted assets - minimum capital requirement ratio	4.50%
Consolidated Entities [Member]
Total capital to risk-weighted assets:
Total capital to risk-weighted assets - actual amount	$ 181,216	$ 179,588
Total capital to risk-weighted assets - actual ratio	24.40%	27.60%
Total capital to risk-weighted assets - minimum capital requirement amount	$ 59,424	$ 52,051
Total capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	74,281
Tier 1 capital to risk-weighted assets:
Tier 1 capital to risk-weighted assets - actual amount	$ 173,009	$ 170,880
Tier 1 capital to risk-weighted assets - actual ratio	23.29%	26.26%
Tier 1 capital to risk-weighted assets - minimum capital requirement amount	$ 29,712	$ 26,026
Tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	59,424
Common equity tier 1 capital to risk-weighted assets:
Common equity tier 1 capital to risk-weighted assets - actual amount	$ 173,009
Common equity tier 1 capital to risk-weighted assets - actual ratio	23.29%
Common equity tier 1 capital to risk-weighted assets - minimum capital requirement amount	$ 29,712
Common equity tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	48,282
Tier 1 capital to average assets:
Tier 1 capital to average assets - actual amount	$ 173,009	$ 170,880
Tier 1 capital to average assets - actual ratio	14.31%	13.89%
Tier 1 capital to average assets - minimum capital requirement amount	$ 48,355	$ 49,224
Tier 1 capital to average assets - minimum to be well capitalized under prompt corrective action provisions amount	60,444
Citizens and Northern Bank [Member]
Total capital to risk-weighted assets:
Total capital to risk-weighted assets - actual amount	$ 161,187	$ 156,420
Total capital to risk-weighted assets - actual ratio	21.83%	24.33%
Total capital to risk-weighted assets - minimum capital requirement amount	$ 59,058	$ 51,442
Total capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	73,823	64,303
Tier 1 capital to risk-weighted assets:
Tier 1 capital to risk-weighted assets - actual amount	$ 153,298	$ 149,055
Tier 1 capital to risk-weighted assets - actual ratio	20.77%	23.18%
Tier 1 capital to risk-weighted assets - minimum capital requirement amount	$ 29,529	$ 25,721
Tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	59,058	38,582
Common equity tier 1 capital to risk-weighted assets:
Common equity tier 1 capital to risk-weighted assets - actual amount	$ 153,298
Common equity tier 1 capital to risk-weighted assets - actual ratio	20.77%
Common equity tier 1 capital to risk-weighted assets - minimum capital requirement amount	$ 29,529
Common equity tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions amount	47,985
Tier 1 capital to average assets:
Tier 1 capital to average assets - actual amount	$ 153,298	$ 149,055
Tier 1 capital to average assets - actual ratio	12.81%	12.22%
Tier 1 capital to average assets - minimum capital requirement amount	$ 47,861	$ 48,798
Tier 1 capital to average assets - minimum to be well capitalized under prompt corrective action provisions amount	$ 59,826	$ 60,998
Greater Than or Equal To [Member] | Consolidated Entities [Member]
Total capital to risk-weighted assets:
Total capital to risk-weighted assets - minimum capital requirement ratio	8.00%	8.00%
Total capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	10.00%
Tier 1 capital to risk-weighted assets:
Tier 1 capital to risk-weighted assets - minimum capital requirement ratio	6.00%	4.00%
Tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	8.00%
Common equity tier 1 capital to risk-weighted assets:
Common equity tier 1 capital to risk-weighted assets - minimum capital requirement ratio	4.50%
Common equity tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	6.50%
Tier 1 capital to average assets:
Tier 1 capital to average assets - minimum capital requirement ratio	4.00%	4.00%
Tier 1 capital to average assets - minimum to be well capitalized under prompt corrective action provisions ratio	5.00%
Greater Than or Equal To [Member] | Citizens and Northern Bank [Member]
Total capital to risk-weighted assets:
Total capital to risk-weighted assets - minimum capital requirement ratio	8.00%	8.00%
Total capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	10.00%	10.00%
Tier 1 capital to risk-weighted assets:
Tier 1 capital to risk-weighted assets - minimum capital requirement ratio	6.00%	4.00%
Tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	8.00%	6.00%
Common equity tier 1 capital to risk-weighted assets:
Common equity tier 1 capital to risk-weighted assets - minimum capital requirement ratio	4.50%
Common equity tier 1 capital to risk-weighted assets - minimum to be well capitalized under prompt corrective action provisions ratio	6.50%
Tier 1 capital to average assets:
Tier 1 capital to average assets - minimum capital requirement ratio	4.00%	4.00%
Tier 1 capital to average assets - minimum to be well capitalized under prompt corrective action provisions ratio	5.00%	5.00%

Note 18 - Regulatory Matters118

Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer	Dec. 31, 2015
Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer [Line Items]
Minimum common equity tier 1 capital ratio	4.50%
Common equity tier 1 capital conservation buffer	2.50%
Minimum common equity tier 1 capital ratio plus capital conservation buffer	4.50%
Phase-in of most deductions from common equity tier 1 capital	40.00%
Minimum tier 1 capital ratio	6.00%
Minimum total capital ratio	8.00%
Phased-in Beginning 2016 [Member]
Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer [Line Items]
Minimum common equity tier 1 capital ratio	4.50%
Common equity tier 1 capital conservation buffer	0.625%
Minimum common equity tier 1 capital ratio plus capital conservation buffer	5.125%
Phase-in of most deductions from common equity tier 1 capital	60.00%
Minimum tier 1 capital ratio	6.00%
Minimum tier 1 capital ratio plus capital conservation buffer	6.625%
Minimum total capital ratio	8.00%
Minimum total capital ratio plus capital conservation buffer	8.625%
Phased-in Beginning 2017 [Member]
Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer [Line Items]
Minimum common equity tier 1 capital ratio	4.50%
Common equity tier 1 capital conservation buffer	1.25%
Minimum common equity tier 1 capital ratio plus capital conservation buffer	5.75%
Phase-in of most deductions from common equity tier 1 capital	80.00%
Minimum tier 1 capital ratio	6.00%
Minimum tier 1 capital ratio plus capital conservation buffer	7.25%
Minimum total capital ratio	8.00%
Minimum total capital ratio plus capital conservation buffer	9.25%
Phased-in Beginning 2018 [Member]
Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer [Line Items]
Minimum common equity tier 1 capital ratio	4.50%
Common equity tier 1 capital conservation buffer	1.875%
Minimum common equity tier 1 capital ratio plus capital conservation buffer	6.375%
Phase-in of most deductions from common equity tier 1 capital	100.00%
Minimum tier 1 capital ratio	6.00%
Minimum tier 1 capital ratio plus capital conservation buffer	7.875%
Minimum total capital ratio	8.00%
Minimum total capital ratio plus capital conservation buffer	9.875%
Phased-in Beginning 2019 [Member]
Note 18 - Regulatory Matters (Details) - Transition Schedule for New Ratios, Including the Capital Conservation Buffer [Line Items]
Minimum common equity tier 1 capital ratio	4.50%
Common equity tier 1 capital conservation buffer	2.50%
Minimum common equity tier 1 capital ratio plus capital conservation buffer	7.00%
Phase-in of most deductions from common equity tier 1 capital	100.00%
Minimum tier 1 capital ratio	6.00%
Minimum tier 1 capital ratio plus capital conservation buffer	8.50%
Minimum total capital ratio	8.00%
Minimum total capital ratio plus capital conservation buffer	10.50%

Note 18 - Regulatory Matters119

Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer	Dec. 31, 2015
Range One [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer [Line Items]
Maximum Payout	60.00%
Range Two [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer [Line Items]
Maximum Payout	40.00%
Range Three [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer [Line Items]
Maximum Payout	20.00%
Range Four [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer [Line Items]
Maximum Payout	0.00%

Note 18 - Regulatory Matters120

Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer (Parentheticals)	Dec. 31, 2015
Range One [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer (Parentheticals) [Line Items]
Capital Conservation Buffer, High	2.50%
Capital Conservation Buffer, Low	1.875%
Range Two [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer (Parentheticals) [Line Items]
Capital Conservation Buffer, High	1.875%
Capital Conservation Buffer, Low	1.25%
Range Three [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer (Parentheticals) [Line Items]
Capital Conservation Buffer, High	1.25%
Capital Conservation Buffer, Low	0.625%
Range Four [Member]
Note 18 - Regulatory Matters (Details) - Payout Restrictions Based on the Capital Conservation Buffer (Parentheticals) [Line Items]
Capital Conservation Buffer, High	0.00%
Capital Conservation Buffer, Low	0.625%

Note 19 - Parent Company Onl121

Note 19 - Parent Company Only (Details) - Condensed Balance Sheet - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Investment in subsidiaries:
Other assets	$ 13,510	$ 8,766
TOTAL ASSETS	1,223,417	1,241,963
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	8,052	7,015
Stockholders' equity	187,487	188,362	$ 179,472	$ 182,786
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,223,417	1,241,963
Parent Company [Member]
ASSETS
Cash	5,847	9,624
Investment in subsidiaries:
Other assets	24	36
TOTAL ASSETS	187,506	188,369
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	19	7
Stockholders' equity	187,487	188,362
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	187,506	188,369
Citizens and Northern Bank [Member] | Parent Company [Member]
Investment in subsidiaries:
Equity method investment	167,277	164,551
Citizens and Northern Investment Corporation [Member] | Parent Company [Member]
Investment in subsidiaries:
Equity method investment	10,966	10,822
Bucktail Life Insurance Company [Member | Parent Company [Member]
Investment in subsidiaries:
Equity method investment	$ 3,392	$ 3,336

Note 19 - Parent Company Onl122

Note 19 - Parent Company Only (Details) - Condensed Income Statement - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Income Statements, Captions [Line Items]
Dividends from Citizens & Northern Bank									$ 284,000	$ 307,000	$ 295,000
Income before equity in undistributed income of subsidiaries	$ 5,326,000	$ 5,629,000	$ 5,809,000	$ 5,044,000	$ 5,850,000	$ 5,678,000	$ 5,563,000	$ 5,687,000	21,808,000	22,778,000	24,777,000
NET INCOME	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	16,471,000	17,086,000	18,594,000
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Dividends from Citizens & Northern Bank									11,569,000	22,608,000	11,108,000
Expenses									(234,000)	(112,000)	(108,000)
Income before equity in undistributed income of subsidiaries									11,335,000	22,496,000	11,000,000
Equity in undistributed income (loss) of subsidiaries									5,136,000	(5,410,000)	7,594,000
NET INCOME									$ 16,471,000	$ 17,086,000	$ 18,594,000

Note 19 - Parent Company Onl123

Note 19 - Parent Company Only (Details) - Condensed Statement of Cash Flows - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	$ 16,471,000	$ 17,086,000	$ 18,594,000
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease (increase) in other assets									(1,697,000)	1,395,000	3,234,000
Increase in other liabilities									1,195,000	(90,000)	(679,000)
Net Cash Provided by Operating Activities									19,686,000	22,281,000	30,572,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Tax benefit from compensation plans, net									159,000	157,000	124,000
Purchase of treasury stock									(4,415,000)	(4,002,000)	0
Dividends paid									(11,245,000)	(11,392,000)	(10,916,000)
Net Cash (Used in) Financing Activities									(36,401,000)	(19,767,000)	(55,877,000)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS									1,694,000	(6,972,000)	(16,425,000)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR				31,619,000				38,591,000	31,619,000	38,591,000	55,016,000
CASH AND CASH EQUIVALENTS, END OF YEAR	33,313,000				31,619,000				33,313,000	31,619,000	38,591,000
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income									16,471,000	17,086,000	18,594,000
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net (income) loss of subsidiaries									(5,136,000)	5,410,000	(7,594,000)
Decrease (increase) in other assets									12,000	(36,000)	7,000
Increase in other liabilities									12,000	1,000	0
Net Cash Provided by Operating Activities									11,359,000	22,461,000	11,007,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from sale of treasury stock									381,000	123,000	184,000
Tax benefit from compensation plans, net									143,000	137,000	127,000
Purchase of treasury stock									(4,415,000)	(4,002,000)	0
Dividends paid									(11,245,000)	(11,392,000)	(10,916,000)
Net Cash (Used in) Financing Activities									(15,136,000)	(15,134,000)	(10,605,000)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS									(3,777,000)	7,327,000	402,000
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR				$ 9,624,000				$ 2,297,000	9,624,000	2,297,000	1,895,000
CASH AND CASH EQUIVALENTS, END OF YEAR	$ 5,847,000				$ 9,624,000				$ 5,847,000	$ 9,624,000	$ 2,297,000

Note 20 - Summary of Quarter124

Note 20 - Summary of Quarterly Consolidated Financial Data (Unaudited) (Details) - Quarterly Financial Data - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Data [Abstract]
Interest income	$ 11,036,000	$ 11,134,000	$ 11,186,000	$ 11,163,000	$ 11,468,000	$ 11,572,000	$ 11,563,000	$ 11,406,000	$ 44,519,000	$ 46,009,000	$ 48,914,000
Interest expense	1,087,000	1,126,000	1,176,000	1,213,000	1,257,000	1,287,000	1,290,000	1,288,000	4,602,000	5,122,000	5,765,000
Net interest income	9,949,000	10,008,000	10,010,000	9,950,000	10,211,000	10,285,000	10,273,000	10,118,000	39,917,000	40,887,000	43,149,000
(Credit) provision for loan losses	319,000	302,000	221,000	3,000	123,000	218,000	446,000	(311,000)	845,000	476,000	2,047,000
Net interest income after (credit) provision for loan losses	9,630,000	9,706,000	9,789,000	9,947,000	10,088,000	10,067,000	9,827,000	10,429,000	39,072,000	40,411,000	41,102,000
Other income	3,994,000	3,961,000	3,962,000	3,487,000	3,802,000	3,887,000	3,980,000	3,751,000
Net gains on available-for-sale securities	1,776,000	79,000	932,000	74,000	210,000	760,000	103,000	31,000	2,861,000	1,104,000	1,718,000
Loss on prepayment of borrowings	1,663,000	0	910,000	0					2,573,000	0	1,023,000
Other expenses	8,411,000	8,117,000	7,964,000	8,464,000	8,250,000	9,036,000	8,347,000	8,524,000	5,241,000	5,423,000	5,298,000
Income before income tax provision	5,326,000	5,629,000	5,809,000	5,044,000	5,850,000	5,678,000	5,563,000	5,687,000	21,808,000	22,778,000	24,777,000
Income tax provision	1,261,000	1,395,000	1,452,000	1,229,000	1,482,000	1,411,000	1,400,000	1,399,000	5,097,000	4,280,000	4,125,000
Net income available to common shareholders	$ 4,065,000	$ 4,234,000	$ 4,357,000	$ 3,815,000	$ 4,368,000	$ 4,267,000	$ 4,163,000	$ 4,288,000	$ 16,471,000	$ 17,086,000	$ 18,594,000
Net income per share – basic (in Dollars per share)	$ 0.33	$ 0.35	$ 0.36	$ 0.31	$ 0.36	$ 0.34	$ 0.33	$ 0.35	$ 1.35	$ 1.38	$ 1.51
Net income per share – diluted (in Dollars per share)	$ 0.33	$ 0.35	$ 0.36	$ 0.31	$ 0.35	$ 0.34	$ 0.33	$ 0.34