Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014
Investment securities — available-for-sale:
U.S. Treasury securities	$	8,259	$	—	$	—	$	8,259
Government sponsored agencies	—		263,503		—		263,503
State and political subdivisions	—		46,227		—		46,227
Residential mortgage-backed securities	—		239,807		—		239,807
Collateralized mortgage obligations	—		144,383		—		144,383
Corporate bonds	—		45,095		—		45,095
Preferred stock	—		1,590		—		1,590
Total investment securities — available-for-sale	8,259		740,605		—		748,864
Loans held-for-sale	—		9,128		—		9,128
Total assets measured at fair value on a recurring basis	$	8,259	$	749,733	$	—	$	757,992
December 31, 2013
Investment securities — available-for-sale:
Government sponsored agencies	$	—	$	93,763	$	—	$	93,763
State and political subdivisions	—		43,798		—		43,798
Residential mortgage-backed securities	—		299,366		—		299,366
Collateralized mortgage obligations	—		180,941		—		180,941
Corporate bonds	—		65,275		—		65,275
Preferred stock	—		1,427		—		1,427
Total investment securities — available-for-sale	—		684,570		—		684,570
Loans held-for-sale	—		5,219		—		5,219
Total assets measured at fair value on a recurring basis	$	—	$	689,789	$	—	$	689,789

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, 2014
Impaired originated loans	$	—	$	—	$	21,323	$	21,323
Other real estate/repossessed assets	—		—		14,205		14,205
Mortgage servicing rights	—		—		8,691		8,691
Total	$	—	$	—	$	44,219	$	44,219
December 31, 2013
Impaired originated loans	$	—	$	—	$	28,852	$	28,852
Other real estate/repossessed assets	—		—		9,776		9,776
Total	$	—	$	—	$	38,628	$	38,628

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, 2014				December 31, 2013
		Carrying Amount		Fair Value		Carrying Amount		Fair Value
		(In thousands)
Assets:
Cash and cash equivalents	Level 1	$	183,020	$	183,020	$	310,788	$	310,788
Investment securities:
Available-for-sale	Level 2	748,864		748,864		684,570		684,570
Held-to-maturity	Level 2	305,913		308,650		263,405		262,021
Held-to-maturity	Level 3	10,500		7,090		10,500		6,250
Nonmarketable equity securities	NA	27,369		27,369		25,572		25,572
Loans held-for-sale	Level 2	9,128		9,128		5,219		5,219
Net loans	Level 3	5,612,547		5,623,454		4,568,549		4,575,532
Interest receivable	Level 2	17,492		17,492		15,748		15,748
Liabilities:
Deposits without defined maturities	Level 2	$	4,741,024	$	4,741,024	$	3,790,454	$	3,790,454
Time deposits	Level 3	1,337,947		1,340,015		1,331,931		1,340,746
Interest payable	Level 2	755		755		868		868
Short-term borrowings	Level 2	389,467		389,467		327,428		327,428