Note 9 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

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

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
	(In thousands)
Investment securities available for sale:
At March 31, 2013	$	972,176	$	54,918	$	917,258	$	-
At December 31, 2012	$	825,636	$	57,424	$	768,212	$	-

Fair Value Measurements, Nonrecurring [Table Text Block]

	At March 31, 2013
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Non-covered other real estate owned	$	5,869	$	-	$	5,869	$	-	$	(446	)
Covered other real estate owned		8,055		-		8,055		-		(146	)
Originated impaired loans		3,618		-		2,628		990		(1,676	)
Purchased covered impaired loans		4,660		-		200		4,460		-
Total assets measured at fair value on a nonrecurring basis	$	22,202	$	-	$	16,752	$	5,450	$	(2,268	)

	At December 31, 2012
	Fair Value		Level 1		Level 2		Level 3		Total Losses
	(In thousands)
Non-covered other real estate owned	$	6,618	$	-	$	6,618	$	-	$	(1,360	)
Covered other real estate owned		7,929		-		7,929		-		(371	)
Originated impaired loans		5,197		-		3,097		2,100		(3,158	)
Purchased covered impaired loans		6,684		-		2,224		4,460		(83	)
Total assets measured at fair value on a nonrecurring basis	$	26,428	$	-	$	19,868	$	6,560	$	(4,972	)

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

	At March 31, 2013
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
Financial Assets:	(In thousands)
Cash and due from banks	$	355,459	$	355,459	$	355,459	$	-	$	-
Investment securities held to maturity		1,162,358		1,185,641		2,775		1,182,866		-
Loans		2,006,580		2,014,826		-		-		2,014,826
Other assets - FDIC receivable		12,162		12,155		-		-		12,155
Financial Liabilities:
Deposits	$	4,161,950	$	4,161,713	$	-	$	3,554,131	$	607,582
Short-term borrowed funds		61,854		61,854		-		61,854		-
Federal Home Loan Bank advances		25,743		26,014		26,014		-		-
Term repurchase agreement		10,000		10,114		-		10,114		-
Debt financing		15,000		15,365		-		15,365		-

	At December 31, 2012
	Carrying Amount		Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2 )		Significant Unobservable Inputs (Level 3 )
Financial Assets:	(In thousands)
Cash and due from banks	$	491,382	$	491,382	$	491,382	$	-	$	-
Investment securities held to maturity		1,156,041		1,184,557		3,275		1,181,282		-
Loans		2,081,123		2,090,712		-		-		2,090,712
Other assets - FDIC receivable		13,847		13,834		-		-		13,834
Financial Liabilities:
Deposits	$	4,232,492	$	4,232,239	$	-	$	3,589,921	$	642,318
Short-term borrowed funds		53,687		53,687		-		53,687		-
Federal Home Loan Bank advances		25,799		26,150		26,150		-		-
Term repurchase agreement		10,000		10,135		-		10,135		-
Debt financing		15,000		15,645		-		15,645		-