Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

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

	At December 31,
	2013		2012
	(In thousands)
Deferred tax asset
Allowance for credit losses	$	14,309	$	13,700
State franchise taxes		3,249		4,162
Deferred compensation		7,991		8,278
Real estate owned		2,095		2,211
Purchased assets and assumed liabilities		5,294		4,732
Post-retirement benefits		1,059		1,210
Employee benefit accruals		5,321		5,648
VISA Class B shares		1,554		1,479
Limited partnership investments		1,299		1,037
Impaired capital assets		20,793		20,819
Capital loss carryforward		—		47
Leases		123		—
Premises and equipment		690		444
Other		654		64
Subtotal deferred tax asset		64,431		63,831
Valuation allowance		—		—
Total deferred tax asset		64,431		63,831
Deferred tax liability
Net deferred loan fees		383		429
Intangible assets		7,408		9,219
Securities available for sale		3,233		10,741
Leases		—		752
Other		126		241
Total deferred tax liability		11,150		21,382
Net deferred tax asset	$	53,281	$	42,449

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

	For the Years Ended December 31,
	2013			2012			2011
	(In thousands)
Current income tax expense:
Federal	$	13,975		$	22,368		$	18,393
State		8,597			11,456			13,322
Total current		22,572			33,824			31,715
Deferred income tax (benefit) expense:
Federal		(2,518	)		(7,280	)		1,839
State		(1,109	)		(1,114	)		(626	)
Total deferred		(3,627	)		(8,394	)		1,213
Provision for income taxes	$	18,945		$	25,430		$	32,928

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

	For the Years Ended December 31,
	2013			2012			2011
	(In thousands)
Federal income taxes due at statutory rate	$	30,142		$	37,295		$	42,285
Reductions in income taxes resulting from:
Interest on state and municipal securities and loans not taxable for federal income tax purposes		(11,565	)		(12,494	)		(12,423	)
State franchise taxes, net of federal income tax benefit		4,712			6,722			8,252
Tax credits		(3,190	)		(3,684	)		(3,560	)
Dividend received deduction		(32	)		(28	)		(25	)
Cash value life insurance		(747	)		(953	)		(728	)
Other		(375	)		(1,428	)		(873	)
Provision for income taxes	$	18,945		$	25,430		$	32,928

Summary of Income Tax Contingencies [Table Text Block]

	2013			2012
	(In thousands)
Balance at January 1,	$	747		$	496
Additions for tax positions taken in the current period		483			238
Reductions for tax positions taken in the current period		—			—
Additions for tax positions taken in prior years		212			13
Reductions for tax positions taken in prior years		—			—
Decreases related to settlements with taxing authorities		—			—
Decreases as a result of a lapse in statute of limitations		(5	)		—
Balance at December 31,	$	1,437		$	747