Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

December 31, (In thousands)	2015			2014			2013
Currently payable	$	3,662		$	2,168		$	4,908
Deferred		1,631			3,931			(473	)
Total applicable to operations		5,293			6,099			4,435
Deferred tax (credited) charged to components of shareholders’ equity:
Unfunded status of postretirement benefits		(74	)		(382	)		1,589
Net unrealized securities (losses) gains		(1,052	)		4,737			(7,019	)
Total income taxes	$	4,167		$	10,454		$	(995	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

December 31,	2015			2014			2013
Federal statutory rate		35.0	%		35.0	%		35.0	%
Changes from statutory rates resulting from:
Tax-exempt interest		(5.8	)		(5.2	)		(6.3	)
Nondeductible interest to carry tax-exempt obligations		.2			.2			.3
Premium income not subject to tax		(1.5	)		(1.2	)		(1.3	)
Company-owned life insurance		(1.6	)		(1.9	)		(1.8	)
Uncertain tax position		-			(.3	)		(.5	)
Other, net		(.2	)		.4			(.6	)
Effective tax rate on pretax income		26.1	%		27.0	%		24.8	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

December 31, (In thousands)	2015		2014
Assets
Allowance for loan losses	$	3,625	$	4,904
Deferred directors’ fees		242		253
Postretirement benefit obligations		5,665		5,164
Other real estate owned		1,968		2,418
Partnership investments		-		372
Self-funded insurance		230		214
Paid time off		756		723
Depreciation		1,440		1,163
Intangibles		2,432		2,813
Other		307		399
Total deferred tax assets		16,665		18,423
Liabilities
Unrealized gains on available for sale investment securities, net		1,734		2,786
Prepaid expenses		306		459
Federal Home Loan Bank stock dividends		1,035		1,087
Deferred loan fees		806		816
Lease financing operations		-		51
Partnership investments		65		-
Total deferred tax liabilities		3,946		5,199
Net deferred tax asset	$	12,719	$	13,224

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

(In thousands)	2015		2014
Balance at beginning of year	$	-	$	66
Reductions to tax positions of prior years		-		(66	)
Balance at end of year	$	-	$	-