Note 18 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

			Fair Value Measurements Using
(In thousands)	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
June 30, 2013
ASSETS
Available-for-sale securities:
U.S. Government agencies	$	159,390	$	--	$	159,390	$	--
Mortgage-backed securities		2,078		--		2,078		--
State and political subdivisions		1,262		--		1,262		--
Other securities		14,801		1,504		13,297		--
Assets held in trading accounts		8,739		1,750		6,989		--
December 31, 2012
ASSETS
Available-for-sale securities:
U.S. Government agencies	$	152,481	$	--	$	152,481	$	--
Mortgage-backed securities		20,634		--		20,634		--
State and political subdivisions		2,988		--		2,988		--
Other securities		15,239		1,504		13,735		--
Assets held in trading accounts		6,224		1,800		4,424		--

Fair Value Measurements, Nonrecurring [Table Text Block]

			Fair Value Measurements Using
(In thousands)	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
June 30, 2013
ASSETS
Impaired loans (1) (2) (collateral dependent)	$	2,661	$	--	$	--	$	2,661
Foreclosed assets held for sale (1)		2,756		--		--		2,756
December 31, 2012
ASSETS
Impaired loans (1) (2) (collateral dependent)	$	4,900	$	--	$	--	$	4,900
Foreclosed assets held for sale (1)		1,484		--		--		1,484

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

	Carrying		Fair Value Measurements
(In thousands)	Amount		Level 1		Level 2		Level 3		Total
June 30, 2013
Financial assets:
Cash and cash equivalents	$	459,234	$	459,234	$	--	$	--	$	459,234
Held-to-maturity securities		555,464		--		543,154		--		543,154
Mortgage loans held for sale		14,454		--		--		14,454		14,454
Interest receivable		12,637		--		12,637		--		12,637
Loans		1,622,997		--		--		1,622,698		1,622,698
Loans acquired, covered by FDIC loss share		163,736		--		--		160,693		160,693
Loans acquired, not covered by FDIC loss share		63,500		--		--		61,619		61,619
FDIC indemnification asset		66,858		--		--		66,858		66,858
Financial liabilities:
Non-interest bearing transaction accounts		565,433		--		565,433		--		565,433
Interest bearing transaction accounts and savings deposits		1,428,422		--		1,428,422		--		1,428,422
Time deposits		819,264		--		--		823,059		823,059
Federal funds purchased and securities sold under agreements to repurchase		79,063		--		79,063		--		79,063
Other borrowings		77,659		--		79,896		--		79,896
Subordinated debentures		20,620		--		18,327		--		18,327
Interest payable		1,130		--		1,130		--		1,130
December 31, 2012
Financial assets:
Cash and cash equivalents	$	537,797	$	537,797	$	--	$	--	$	537,797
Held-to-maturity securities		496,141		--		500,578		--		500,578
Mortgage loans held for sale		25,367		--		--		25,367		25,367
Interest receivable		14,530		--		14,530		--		14,530
Loans		1,600,631		--		--		1,602,014		1,602,014
Loans acquired, covered by FDIC loss share		210,842		--		--		208,685		208,685
Loans acquired, not covered by FDIC loss share		82,764		--		--		82,764		82,764
FDIC indemnification asset		75,286		--		--		75,286		75,286
Financial liabilities:
Non-interest bearing transaction accounts		576,655		--		576,655		--		576,655
Interest bearing transaction accounts and savings deposits		1,421,137		--		1,421,137		--		1,421,137
Time deposits		876,371		--		--		880,201		880,201
Federal funds purchased and securities sold under agreements to repurchase		104,078		--		104,078		--		104,078
Other borrowings		89,441		--		94,472		--		94,472
Subordinated debentures		20,620		--		15,414		--		15,414
Interest payable		1,096		--		1,096		--		1,096