Note 8 - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Goodwill [Table Text Block]

Balance at December 31, 2008	$	262,886
2009 activity		-
Balance at December 31, 2009		262,886
Goodwill acquired through FDIC-assisted transaction		7,941
Balance at December 31, 2010		270,827
Adjustment to goodwill recorded in 2010 (1)		(5,350	)
Adjusted balance at January 1, 2011		265,477
2011 activity		-
Balance at December 31, 2011	$	265,477

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

	Years Ended December 31,
	2011										2010										2009
	Gross			Accumulated Amortization			Net				Gross			Accumulated Amortization			Net				Gross		Accumulated Amortization		Net
Balance at beginning of year	$	42,832		$	22,276			$	20,556		$	36,591		$	17,998			$	18,593		$	35,731	$	14,069		$	21,662
Additions		1,419			-				1,419			6,242			-				6,242			860		-			860
Amortization expense		-			3,802				(3,802	)		-			4,279				(4,279	)		-		3,929			(3,929	)
Fully amortized assets/other		(9,933	)		(9,933	)			-			(1	)		(1	)			-			-		-			-
Balance at end of year	$	34,318		$	16,145			$	18,173		$	42,832		$	22,276			$	20,556		$	36,591	$	17,998		$	18,593
Weighted-average remaining life (in years)									6.9										7.3								7.0
Estimated useful lives (in years)							3.3 to 12.6										3.3 to 12.6								5.5 to 11.8

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Total
Year ending December 31,
2012	$	3,336
2013		3,192
2014		2,603
2015		2,414
2016		2,337
2017 and thereafter		4,291
Total	$	18,173