Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value Disclosures [Abstract]

Summary of assets measured at fair value on a recurring basis

For assets measured at fair value on a recurring basis, quantitative disclosures about the fair value measurements for each major category of assets follow:

	Fair Value Measurements — Recurring Basis
	Quoted Prices In Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(In thousands)
December 31, 2012
Investment securities — available-for-sale:
Government sponsored agencies	$	—	$	97,557	$	—	$	97,557
State and political subdivisions	—		49,965		—		49,965
Residential mortgage-backed securities	—		99,411		—		99,411
Collateralized mortgage obligations	—		263,592		—		263,592
Corporate bonds	—		69,795		—		69,795
Preferred stock	—		1,734		—		1,734
Total investment securities — available-for-sale	$	—	$	582,054	$	—	$	582,054
Loans held-for-sale	—		17,665		—		17,665
Total assets measured at fair value on a recurring basis	$	—	$	599,719	$	—	$	599,719
December 31, 2011
Investment securities — available-for-sale:
Government sponsored agencies	$	—	$	70,679	$	—	$	70,679
State and political subdivisions	—		45,235		—		45,235
Residential mortgage-backed securities	—		120,780		—		120,780
Collateralized mortgage obligations	—		332,400		—		332,400
Corporate bonds	—		96,768		—		96,768
Preferred stock	—		1,414		—		1,414
Total investment securities — available-for-sale	$	—	$	667,276	$	—	$	667,276

Summary of assets measured at fair value on a nonrecurring basis

For assets measured at fair value on a nonrecurring basis, quantitative disclosures about fair value measurements for each major category of assets follow:

	Fair Value Measurements — Nonrecurring Basis
	Quoted Prices In  Active Markets  for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(In thousands)
December 31, 2012
Impaired originated loans	$	—	$	—	$	51,694	$	51,694
Other real estate/repossessed assets	—		—		18,469		18,469
Total	$	—	$	—	$	70,163	$	70,163
December 31, 2011
Impaired originated loans	$	—	$	—	$	52,721	$	52,721
Other real estate/repossessed assets	—		—		25,484		25,484
Total	$	—	$	—	$	78,205	$	78,205

Summary of carrying amounts and estimated fair values of the financial instruments

A summary of carrying amounts and estimated fair values of the Corporation's financial instruments included in the consolidated statements of financial position follows:

	Level in Fair Value Measurement Hierarchy	December 31, 2012				December 31, 2011
		Carrying Amount		Fair Value		Carrying Amount		Fair Value
		(In thousands)
Assets:
Cash and cash equivalents	Level 1	$	656,135	$	656,135	$	381,940	$	381,940
Investment securities:
Available-for-sale	Level 2	582,054		582,054		667,276		667,276
Available-for-sale	NA	4,755		4,755		—		—
Held-to-maturity	Level 2	229,977		229,922		175,339		175,769
Held-to-maturity	Level 3	—		—		8,000		8,000
Nonmarketable equity securities	NA	25,572		25,572		25,572		25,572
Loans held-for-sale	Level 2	17,665		17,665		18,818		18,972
Net loans	Level 3	4,083,244		4,093,880		3,742,952		3,753,799
Interest receivable	Level 2	14,933		14,933		16,308		16,308
Liabilities:
Deposits without defined maturities	Level 2	$	3,448,886	$	3,448,886	$	2,851,883	$	2,851,883
Time deposits	Level 3	1,472,557		1,489,072		1,514,974		1,538,566
Interest payable	Level 2	1,501		1,501		2,147		2,147
Short-term borrowings	Level 2	310,463		310,463		303,786		303,786
FHLB advances	Level 2	34,289		34,835		43,057		44,307