Note 5 - Fair Value Measurements and Fair Values of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

		June 30, 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	$26,871	$0		$26,871
Obligations of states and political subdivisions:
Tax-exempt	0	119,749	0		119,749
Taxable	0	35,135	0		35,135
Mortgage-backed securities	0	76,790	0		76,790
Collateralized mortgage obligations, Issued by U.S. Government agencies	0	230,794	0		230,794
Collateralized debt obligations	0	34	0		34
Total debt securities	0	489,373	0		489,373
Marketable equity securities	7,738	0	0		7,738
Total available-for-sale securities	7,738	489,373	0		497,111
Servicing rights	0	0	1,209		1,209
Total recurring fair value measurements	$7,738	$489,373	$1,209		$498,320
Nonrecurring fair value measurements
Impaired loans with a valuation allowance	$0	$0	$3,880		$3,880
Valuation allowance	0	0	(600	)	(600	)
Impaired loans, net	0	0	3,280		3,280
Foreclosed assets held for sale	0	0	1,223		1,223
Total nonrecurring fair value measurements	$0	$0	$4,503		$4,503

		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]

	Fair Value at
	6/30/15	Valuation	Unobservable			Method or Value As of
Asset	(In Thousands)	Technique	Input(s)			6/30/15
Servicing rights	$1,209	Discounted cash flow	Discount rate	10.00	%	Rate used through modeling period
			Loan prepayment speeds	173.00	%	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

	Fair Value at
	12/31/14	Valuation	Unobservable			Method or Value As of
Asset	(In Thousands)	Technique	Input(s)			12/31/14
Servicing rights	$1,281	Discounted cash flow	Discount rate	12.00	%	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				6/30/15
	Balance at	Allowance at	Fair Value at	Valuation	Unobservable	(Weighted
Asset	6/30/15	6/30/15	6/30/15	Technique	Inputs	Average)
Impaired loans:
Residential mortgage loans - first liens	$1,104	$136	$968	Sales comparison	Discount to appraised value	34	%
Commercial:
Commercial loans secured by real estate	322	80	242	Sales comparison	Discount to appraised value	40	%
Commercial and industrial	75	75	0	Sales comparison	Discount to appraised value	45	%
Commercial construction and land	1,815	211	1,604	Sales comparison	Discount to appraised value	30	%
Loans secured by farmland	564	98	466	Sales comparison	Discount to appraised value	40	%
Total impaired loans	$3,880	$600	$3,280
Foreclosed assets held for sale - real estate:
Residential (1-4 family)	$487	$0	$487	Sales comparison	Discount to appraised value	27	%
Land	736	0	736	Sales comparison	Discount to appraised value	26	%
Total foreclosed assets held for sale	$1,223	$0	$1,223

(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, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

(In Thousands)	Three Months Ended				Six Months Ended
	June 30, 2015		June 30, 2014		June 30, 2015		June 30, 2014
Servicing rights balance, beginning of period	$1,195		$1,268		$1,281		$1,123
Issuances of servicing rights	47		66		78		106
Unrealized losses included in earnings	(33	)	(53	)	(150	)	52
Servicing rights balance, end of period	$1,209		$1,281		$1,209		$1,281

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

(In Thousands)	Valuation	June 30, 2015		December 31, 2014
	Method(s)	Carrying	Fair	Carrying	Fair
	Used	Amount	Value	Amount	Value
Financial assets:
Cash and cash equivalents	Level 1	$30,977	$30,977	$31,619	$31,619
Certificates of deposit	Level 2	4,428	4,443	4,428	4,443
Available-for-sale securities	See Above	497,111	497,111	516,807	516,807
Restricted equity securities (included in Other Assets)	Level 2	2,502	2,502	1,584	1,584
Loans held for sale	Level 2	192	192	0	0
Loans, net	Level 3	656,518	653,715	623,209	629,267
Accrued interest receivable	Level 2	3,875	3,875	3,908	3,908
Servicing rights	Level 3	1,209	1,209	1,281	1,281
Financial liabilities:
Deposits with no stated maturity	Level 2	738,317	738,317	729,052	729,052
Time deposits	Level 2	240,132	241,030	238,937	239,712
Short-term borrowings	Level 2	19,806	19,753	5,537	5,473
Long-term borrowings	Level 2	62,916	68,017	73,060	78,866
Accrued interest payable	Level 2	89	89	104	104