10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2014

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                     

Commission File Number: 001-31343

Associated Banc-Corp

(Exact name of registrant as specified in its charter)

Wisconsin	39-1098068
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

433 Main Street, Green Bay, Wisconsin	54301
(Address of principal executive offices)	(Zip Code)

(920) 491-7500

(Registrant’s telephone number, including area code)

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

APPLICABLE ONLY TO CORPORATE ISSUERS:

The number of shares outstanding of registrant’s common stock, par value $0.01 per share, at April 30, 2014, was 159,454,049.

ASSOCIATED BANC-CORP

TABLE OF CONTENTS

	Page No.
PART I. Financial Information
Item 1. Financial Statements (Unaudited):
Consolidated Balance Sheets — March 31, 2014 and December 31, 2013		3
Consolidated Statements of Income — Three Months Ended March 31, 2014 and 2013		4
Consolidated Statements of Comprehensive Income —Three Months Ended March 31, 2014 and 2013		5
Consolidated Statements of Changes in Stockholders’ Equity — Three Months Ended March  31, 2014 and 2013		6
Consolidated Statements of Cash Flows — Three Months Ended March 31, 2014 and 2013		7
Notes to Consolidated Financial Statements		8
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		49
Item 3. Quantitative and Qualitative Disclosures About Market Risk		76
Item 4. Controls and Procedures		76
PART II. Other Information
Item 1. Legal Proceedings		77
Item 1A. Risk Factors		77
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds		78
Item 6. Exhibits		78
Signatures		79

2

PART I — FINANCIAL INFORMATION

ITEM 1. Financial Statements:

ASSOCIATED BANC-CORP

Consolidated Balance Sheets

	March 31, 2014 (Unaudited)			December 31, 2013 (Audited)
	(In Thousands, except share and per share data)
ASSETS
Cash and due from banks	$	526,951		$	455,482
Interest-bearing deposits in other financial institutions		92,071			126,018
Federal funds sold and securities purchased under agreements to resell		4,400			20,745
Investment securities held to maturity, at amortized cost		193,759			175,210
Investment securities available for sale, at fair value		5,277,908			5,250,585
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost		181,360			181,249
Loans held for sale		46,529			64,738
Loans		16,441,444			15,896,261
Allowance for loan losses		(267,916	)		(268,315	)
Loans, net		16,173,528			15,627,946
Premises and equipment, net		269,257			270,890
Goodwill		929,168			929,168
Other intangible assets, net		72,629			74,464
Trading assets		40,822			43,728
Other assets		997,815			1,006,697
Total assets	$	24,806,197		$	24,226,920
LIABILITIES AND STOCKHOLDERS’ EQUITY
Noninterest-bearing demand deposits	$	4,478,981		$	4,626,312
Interest-bearing deposits		13,030,946			12,640,855
Total deposits		17,509,927			17,267,167
Federal funds purchased and securities sold under agreements to repurchase		939,254			475,442
Other short-term funding		308,652			265,484
Long-term funding		2,932,040			3,087,267
Trading liabilities		43,450			46,470
Accrued expenses and other liabilities		171,850			193,800
Total liabilities		21,905,173			21,335,630
Stockholders’ equity
Preferred equity		61,158			61,862
Common stock		1,750			1,750
Surplus		1,623,323			1,617,990
Retained earnings		1,402,549			1,392,508
Accumulated other comprehensive loss		(11,577	)		(24,244	)
Treasury stock, at cost		(176,179	)		(158,576	)
Total stockholders’ equity		2,901,024			2,891,290
Total liabilities and stockholders’ equity	$	24,806,197		$	24,226,920
Preferred shares issued		62,826			63,549
Preferred shares authorized (par value $1.00 per share)		750,000			750,000
Common shares issued		175,012,686			175,012,686
Common shares authorized (par value $0.01 per share)		250,000,000			250,000,000
Treasury shares of common stock		11,867,756			10,874,182

See accompanying notes to consolidated financial statements.

3

ITEM 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Income

(Unaudited)

	Three Months Ended March 31,
	2014		2013
	(In Thousands, except per share data)
INTEREST INCOME
Interest and fees on loans	$	143,387	$	145,527
Interest and dividends on investment securities
Taxable		26,257		21,613
Tax exempt		6,971		6,965
Other interest		1,449		1,247
Total interest income		178,064		175,352
INTEREST EXPENSE
Interest on deposits		6,159		8,541
Interest on Federal funds purchased and securities sold under agreements to repurchase		305		410
Interest on other short-term funding		116		332
Interest on long-term funding		6,511		8,416
Total interest expense		13,091		17,699
NET INTEREST INCOME		164,973		157,653
Provision for credit losses		5,000		3,300
Net interest income after provision for credit losses		159,973		154,353
NONINTEREST INCOME
Trust service fees		11,711		10,910
Service charges on deposit accounts		16,400		16,829
Card-based and other nondeposit fees		12,509		11,950
Insurance commissions		12,317		11,763
Brokerage and annuity commissions		4,033		3,516
Mortgage banking, net		6,361		17,765
Capital market fees, net		2,322		2,583
Bank owned life insurance income		4,320		2,970
Asset gains, net		728		836
Investment securities gains, net		378		300
Other		2,442		2,578
Total noninterest income		73,521		82,000
NONINTEREST EXPENSE
Personnel expense		97,698		97,907
Occupancy		15,560		15,662
Equipment		6,276		6,167
Technology		12,724		11,508
Business development and advertising		5,062		4,537
Other intangible amortization		991		1,011
Loan expense		2,787		3,284
Legal and professional fees		4,188		5,345
Losses other than loans		544		384
Foreclosure / OREO expense		1,896		2,422
FDIC expense		5,001		5,432
Other		14,931		13,956
Total noninterest expense		167,658		167,615
Income before income taxes		65,836		68,738
Income tax expense		20,637		21,350
Net income		45,199		47,388
Preferred stock dividends		1,244		1,300
Net income available to common equity	$	43,955	$	46,088
Earnings per common share:
Basic	$	0.27	$	0.27
Diluted	$	0.27	$	0.27
Average common shares outstanding:
Basic		161,467		168,234
Diluted		162,188		168,404

See accompanying notes to consolidated financial statements.

4

ITEM 1: Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Comprehensive Income

(Unaudited)

	Three Months Ended March 31,
	2014			2013
	(In Thousands)
Net income	$	45,199		$	47,388
Other comprehensive income (loss), net of tax:
Investment securities available for sale:
Net unrealized gains (losses)		20,627			(9,931	)
Reclassification adjustment for net gains realized in net income		(378	)		(300	)
Income tax (expense) benefit		(7,786	)		3,950
Other comprehensive income (loss) on investment securities available for sale		12,463			(6,281	)
Defined benefit pension and postretirement obligations:
Amortization of prior service cost		15			17
Amortization of actuarial losses		316			1,073
Income tax expense		(127	)		(421	)
Other comprehensive income on pension and postretirement obligations		204			669
Total other comprehensive income (loss)		12,667			(5,612	)
Comprehensive income	$	57,866		$	41,776

See accompanying notes to consolidated financial statements.

5

ITEM 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Changes in Stockholders’ Equity

(Unaudited)

	Preferred Equity			Common Stock		Surplus		Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Treasury Stock			Total
	($ in Thousands, except per share data)
Balance, December 31, 2012	$	63,272		$	1,750	$	1,602,136	$	1,281,811		$	48,603		$	(61,173	)	$	2,936,399
Comprehensive income:
Net income		—			—		—		47,388			—			—			47,388
Other comprehensive loss		—			—		—		—			(5,612	)		—			(5,612	)
Comprehensive income																		41,776
Common stock issued:
Stock-based compensation plans, net		—			—		9		(16,724	)		—			18,892			2,177
Purchase of treasury stock		—			—		—		—			—			(33,125	)		(33,125	)
Cash dividends:
Common stock, $0.08 per share		—			—		—		(13,483	)		—			—			(13,483	)
Preferred stock		—			—		—		(1,300	)		—			—			(1,300	)
Stock-based compensation expense, net		—			—		3,762		—			—			—			3,762
Tax benefit of stock options		—			—		59		—			—			—			59
Balance, March 31, 2013	$	63,272		$	1,750	$	1,605,966	$	1,297,692		$	42,991		$	(75,406	)	$	2,936,265
Balance, December 31, 2013	$	61,862		$	1,750	$	1,617,990	$	1,392,508		$	(24,244	)	$	(158,576	)	$	2,891,290
Comprehensive income:
Net income		—			—		—		45,199			—			—			45,199
Other comprehensive income		—			—		—		—			12,667			—			12,667
Comprehensive income																		57,866
Common stock issued:
Stock-based compensation plans, net		—			—		376		(19,173	)		—			24,596			5,799
Purchase of treasury stock		—			—		—		—			—			(42,199	)		(42,199	)
Cash dividends:
Common stock, $0.09 per share		—			—		—		(14,639	)		—			—			(14,639	)
Preferred stock		—			—		—		(1,244	)		—			—			(1,244	)
Purchase of preferred stock		(704	)		—				(102	)								(806	)
Stock-based compensation expense, net		—			—		4,412		—			—			—			4,412
Tax benefit of stock options		—			—		545		—			—			—			545
Balance, March 31, 2014	$	61,158		$	1,750	$	1,623,323	$	1,402,549		$	(11,577	)	$	(176,179	)	$	2,901,024

See accompanying notes to consolidated financial statements.

6

ITEM 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows

(Unaudited)

	Three Months Ended March 31,
	2014			2013
	($ in Thousands)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$	45,199		$	47,388
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		5,000			3,300
Depreciation and amortization		13,094			11,968
Recovery of valuation allowance on mortgage servicing rights, net		(156	)		(5,216	)
Amortization of mortgage servicing rights		2,725			4,989
Amortization of other intangible assets		991			1,011
Amortization and accretion on earning assets, funding, and other, net		6,537			14,069
Tax impact of stock based compensation		545			59
Gain on sales of investment securities, net		(378	)		(300	)
Gain on sales of assets and impairment write-downs, net		(728	)		(836	)
Gain on mortgage banking activities, net		(4,100	)		(15,493	)
Mortgage loans originated and acquired for sale		(203,764	)		(681,410	)
Proceeds from sales of mortgage loans held for sale		224,348			779,022
Increase in interest receivable		(3,009	)		(3,226	)
Decrease in interest payable		(6,474	)		(7,276	)
Net change in other assets and other liabilities		(6,165	)		(14,637	)
Net cash provided by operating activities		73,665			133,412
CASH FLOWS FROM INVESTING ACTIVITIES
Net increase in loans		(555,979	)		(179,438	)
Purchases of:
Available for sale securities		(273,627	)		(511,419	)
Premises, equipment, and software, net of disposals		(10,848	)		(16,223	)
FHLB stock		(111	)		—
Held to maturity securities		(18,857	)		(13,240	)
Other assets		(850	)		(797	)
Proceeds from:
Sales of available for sale securities		80,025			61,457
Prepayments, calls, and maturities of available for sale securities		180,880			403,763
FHLB stock		—			14,399
Prepayments, calls, and maturities of other assets		11,036			9,385
Sales of loans originated for investment		—			12,172
Net cash used in investing activities		(588,331	)		(219,941	)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposits		242,760			481,429
Net increase (decrease) in short-term funding		506,980			(557,387	)
Repayment of long-term funding		(155,009	)		(100,076	)
Purchase of preferred stock		(806	)		—
Cash dividends on common stock		(14,639	)		(13,483	)
Cash dividends on preferred stock		(1,244	)		(1,300	)
Purchase of treasury stock		(42,199	)		(33,125	)
Net cash provided by (used in) financing activities		535,843			(223,942	)
Net increase (decrease) in cash and cash equivalents		21,177			(310,471	)
Cash and cash equivalents at beginning of period		602,245			737,873
Cash and cash equivalents at end of period	$	623,422		$	427,402
Supplemental disclosures of cash flow information:
Cash paid for interest	$	19,578		$	24,946
Cash paid for income taxes		4,165			—
Loans and bank premises transferred to other real estate owned		6,343			12,408
Capitalized mortgage servicing rights		1,725			5,902

See accompanying notes to consolidated financial statements.

7

ITEM 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Notes to Consolidated Financial Statements

These interim consolidated financial statements have been prepared according to the rules and regulations of the Securities and Exchange Commission and, therefore, certain information and footnote disclosures normally presented in accordance with U.S. generally accepted accounting principles have been omitted or abbreviated. The information contained in the consolidated financial statements and footnotes in Associated Banc-Corp’s 2013 annual report on Form 10-K, should be referred to in connection with the reading of these unaudited interim financial statements.

NOTE 1: Basis of Presentation

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the financial position, results of operations and comprehensive income, changes in stockholders’ equity, and cash flows of Associated Banc-Corp (individually referred to herein as the “Parent Company,” and together with all of its subsidiaries and affiliates, collectively referred to herein as the “Corporation”) for the periods presented, and all such adjustments are of a normal recurring nature. The consolidated financial statements include the accounts of all subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year.

Certain amounts in the consolidated financial statements of prior periods have been reclassified to conform with the current period’s presentation. The consolidated statements of income were modified from prior periods’ presentation to conform with the current period presentation, which shows a new provision for credit losses line item comprised of the provision for loan losses and the provision for unfunded commitments. In prior periods’ presentation, the provision for unfunded commitments was reported as a component of losses other than loans in the consolidated statements of income. The presentation of the consolidated balance sheets remains unchanged with the allowance for loan losses presented as a valuation allowance with the related loan asset, while the allowance for unfunded commitments is included in accrued expenses and other liabilities.

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. Estimates that are particularly susceptible to significant change include the determination of the allowance for credit losses, goodwill impairment assessment, mortgage servicing rights valuation, and income taxes. Management has evaluated subsequent events for potential recognition or disclosure.

NOTE 2: New Accounting Pronouncements Adopted

In July 2013, the FASB issued an amendment to clarify the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. An unrecognized tax benefit, or a portion of an unrecognized tax benefit, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as follows. To the extent a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. This amendment is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013 and should be applied prospectively. The Corporation adopted the accounting standard during the first quarter of 2014, as required, with no material impact on its results of operations, financial position, or liquidity.

NOTE 3: Earnings Per Common Share

Earnings per share are calculated utilizing the two-class method. Basic earnings per share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding. Diluted earnings per share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares

8

outstanding adjusted for the dilutive effect of common stock awards (outstanding stock options, unvested restricted stock, and outstanding stock warrants). Presented below are the calculations for basic and diluted earnings per common share.

	Three Months Ended March 31,
	2014			2013
	(In Thousands, except per share data)
Net income	$	45,199		$	47,388
Preferred stock dividends		(1,244	)		(1,300	)
Net income available to common equity	$	43,955		$	46,088
Common shareholder dividends		(14,488	)		(13,377	)
Unvested share-based payment awards		(151	)		(107	)
Undistributed earnings	$	29,316		$	32,604
Undistributed earnings allocated to common shareholders	$	29,126		$	32,375
Undistributed earnings allocated to unvested share-based payment awards		190			229
Undistributed earnings	$	29,316		$	32,604
Basic
Distributed earnings to common shareholders	$	14,488		$	13,377
Undistributed earnings allocated to common shareholders		29,126			32,375
Total common shareholders earnings, basic	$	43,614		$	45,752
Diluted
Distributed earnings to common shareholders	$	14,488		$	13,377
Undistributed earnings allocated to common shareholders		29,126			32,375
Total common shareholders earnings, diluted	$	43,614		$	45,752
Weighted average common shares outstanding		161,467			168,234
Effect of dilutive common stock awards		721			170
Diluted weighted average common shares outstanding		162,188			168,404
Basic earnings per common share	$	0.27		$	0.27
Diluted earnings per common share	$	0.27		$	0.27

Options to purchase approximately 3 million shares were outstanding for both March 31, 2014 and March 31, 2013, but excluded from the calculation of diluted earnings per common share as the effect would have been anti-dilutive.

9

NOTE 4: Stock-Based Compensation

At March 31, 2014, the Corporation had one stock-based compensation plan, the 2013 Incentive Compensation Plan. The plan provides that restricted stock awards and stock options will immediately become fully vested upon retirement from the Corporation of those colleagues whose retirements meet the early retirement or normal retirement definitions under the plan (“retirement eligible colleagues”). All stock awards granted under this plan have an exercise price that is equal to the closing price of the Corporation’s stock on the grant date.

The Corporation may issue restricted common stock and restricted common stock units to certain key employees (collectively referred to as “restricted stock awards”). The shares of restricted stock are restricted as to transfer, but are not restricted as to dividend payment or voting rights. Restricted stock units receive dividend equivalents but do not have voting rights. The transfer restrictions primarily lapse over three or four years, depending upon whether the awards are service-based or performance-based. Service-based awards are contingent upon continued employment or meeting the requirements for retirement, and performance-based awards are based on earnings per share performance goals and continued employment or meeting the requirements for retirement.

The fair value of stock options granted is estimated on the date of grant using a Black-Scholes option pricing model, while the fair value of restricted stock awards is their fair market value on the date of grant. The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. Compensation expense recognized is included in personnel expense in the consolidated statements of income.

Assumptions are used in estimating the fair value of stock options granted. The weighted average expected life of the stock option represents the period of time that stock options are expected to be outstanding and is estimated using historical data of stock option exercises and forfeitures. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on the implied volatility of the Corporation’s stock. The following assumptions were used in estimating the fair value for options granted in the first three months of 2014 and full year 2013.

	2014			2013
Dividend yield		2.00	%		2.00	%
Risk-free interest rate		2.00	%		0.99	%
Weighted average expected volatility		20.00	%		34.35	%
Weighted average expected life		6 years			6 years
Weighted average per share fair value of options	$	3.00		$	3.80

The Corporation is required to estimate potential forfeitures of stock grants and adjust compensation expense recorded accordingly. The estimate of forfeitures will be adjusted over the requisite service period to the extent that actual forfeitures differ, or are expected to differ, from such estimates. Changes in estimated forfeitures will be recognized in the period of change and will also impact the amount of stock compensation expense to be recognized in future periods.

10

A summary of the Corporation’s stock option activity for the year ended December 31, 2013 and for the three months ended March 31, 2014, is presented below.

Stock Options	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value (000s)
Outstanding at December 31, 2012		8,640,558		$	18.88
Granted		1,020,979			14.02
Exercised		(642,202	)		13.43
Forfeited or expired		(985,092	)		21.49
Outstanding at December 31, 2013		8,034,243		$	18.37		6.03	$	20,838
Options exercisable at December 31, 2013		4,923,720		$	21.48		4.62		8,580
Outstanding at December 31, 2013		8,034,243		$	18.37
Granted		1,389,452			17.45
Exercised		(368,965	)		13.71
Forfeited or expired		(408,865	)		26.34
Outstanding at March 31, 2014		8,645,865		$	18.05		6.62	$	23,581
Options exercisable at March 31, 2014		5,649,013		$	19.51		5.34		15,290

The following table summarizes information about the Corporation’s nonvested stock option activity for the year ended December 31, 2013, and for the three months ended March 31, 2014.

Stock Options	Shares			Weighted Average Grant Date Fair Value
Nonvested at December 31, 2012		4,036,595		$5.11
Granted		1,020,979		3.80
Vested		(1,680,981	)	5.10
Forfeited		(266,070	)	5.05
Nonvested at December 31, 2013		3,110,523		$4.69
Granted		1,389,452		3.00
Vested		(1,451,304	)	4.96
Forfeited		(51,819	)	4.85
Nonvested at March 31, 2014		2,996,852		$3.77

For the three months ended March 31, 2014 the intrinsic value of stock options exercised was $1 million. For the year ended December 31, 2013, the intrinsic value of stock options exercised was $2 million. The total fair value of stock options that vested was $7 million for the first three months of 2014 and $9 million for the year ended December 31, 2013. For both the three months ended March 31, 2014 and 2013, the Corporation recognized compensation expense of $2 million for the vesting of stock options. For the full year 2013, the Corporation recognized compensation expense of $8 million for the vesting of stock options. Included in compensation expense for 2014 was approximately $250,000 of expense for the accelerated vesting of stock options granted to retirement eligible colleagues. At March 31, 2014, the Corporation had $10 million of unrecognized compensation expense related to stock options that is expected to be recognized over the remaining requisite service periods that extend predominantly through fourth quarter 2018.

11

The following table summarizes information about the Corporation’s restricted stock awards activity for the year ended December 31, 2013, and for the three months ended March 31, 2014.

Restricted Stock	Shares			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2012		932,425		$13.60
Granted		1,276,868		14.03
Vested		(626,480	)	13.68
Forfeited		(71,048	)	13.92
Outstanding at December 31, 2013		1,511,765		$13.92
Granted		1,116,086		17.41
Vested		(477,210	)	13.94
Forfeited		(21,566	)	14.00
Outstanding at March 31, 2014		2,129,075		$15.74

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant. Restricted stock awards granted during 2013 to executive officers will vest ratably over a three year period, while restricted stock awards granted during 2014 will vest ratably over a four year period. Restricted stock awards granted to non-executives during 2014 and 2013 will vest ratably over a four year period. Expense for restricted stock awards of approximately $3 million and $2 million was recognized for the three months ended March 31, 2014 and 2013, respectively. The Corporation recognized approximately $7 million of expense for restricted stock awards for the full year 2013. Included in compensation expense for 2014 was approximately $950,000 of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $29 million of unrecognized compensation costs related to restricted stock awards at March 31, 2014 that is expected to be recognized over the remaining requisite service periods that extend predominantly through fourth quarter 2018.

The Corporation issues shares from treasury, when available, or new shares upon the exercise of stock options or the granting of restricted stock awards. The Board of Directors has authorized management to repurchase shares of the Corporation’s common stock each quarter in the market, to be made available for issuance in connection with the Corporation’s employee incentive plans and for other corporate purposes. The repurchase of shares will be based on market and investment opportunities, capital levels, growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

12

NOTE 5: Investment Securities

The amortized cost and fair values of investment securities available for sale and held to maturity were as follows.

March 31, 2014:	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
	($ in Thousands)
Investment securities available for sale:
U.S. Treasury securities	$	1,001	$	1	$	—		$	1,002
Obligations of state and political subdivisions (municipal securities)		640,433		25,539		(628	)		665,344
Residential mortgage-related securities:
Government-sponsored enterprise (“GSE”)		3,767,991		60,240		(58,989	)		3,769,242
Private-label		2,699		16		(18	)		2,697
GNMA commercial mortgage-related securities		839,488		1,703		(27,624	)		813,567
Asset-backed securities (1)		21,318		—		(36	)		21,282
Other securities (debt and equity)		4,720		62		(8	)		4,774
Total investment securities available for sale	$	5,277,650	$	87,561	$	(87,303	)	$	5,277,908
Investment securities held to maturity:
Obligations of state and political subdivisions (municipal securities)	$	193,759	$	2,372	$	(2,985	)	$	193,146
Total investment securities held to maturity	$	193,759	$	2,372	$	(2,985	)	$	193,146

(1) The asset-backed securities position is largely comprised of senior, floating rate, tranches of student loan securities issued by SLM Corp and guaranteed under the Federal Family Education Loan Program.

December 31, 2013:	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
	($ in Thousands)
Investment securities available for sale:
U.S. Treasury securities	$	1,001	$	1	$	—		$	1,002
Obligations of state and political subdivisions (municipal securities)		653,758		23,855		(1,533	)		676,080
Residential mortgage-related securities:
GSE		3,855,467		61,542		(78,579	)		3,838,430
Private-label		3,035		16		(37	)		3,014
GNMA commercial mortgage-related securities		673,555		1,764		(27,842	)		647,477
Asset-backed securities (1)		23,049		10		—			23,059
Other securities (debt and equity)		60,711		855		(43	)		61,523
Total investment securities available for sale	$	5,270,576	$	88,043	$	(108,034	)	$	5,250,585
Investment securities held to maturity:
Obligations of state and political subdivisions (municipal securities)	$	175,210	$	401	$	(5,722	)	$	169,889
Total investment securities held to maturity	$	175,210	$	401	$	(5,722	)	$	169,889

13

The amortized cost and fair values of investment securities available for sale and held to maturity at March 31, 2014, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Available for Sale					Held to Maturity
($ in Thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	23,534	$	23,714		$	—	$	—
Due after one year through five years		202,811		212,978			230		231
Due after five years through ten years		404,168		418,321			82,187		81,033
Due after ten years		15,623		16,054			111,342		111,882
Total debt securities		646,136		671,067			193,759		193,146
Residential mortgage-related securities:
GSE		3,767,991		3,769,242			—		—
Private label		2,699		2,697			—		—
GNMA commercial mortgage-related securities		839,488		813,567			—		—
Asset-backed securities		21,318		21,282			—		—
Equity securities		18		53			—		—
Total investment securities	$	5,277,650	$	5,277,908		$	193,759	$	193,146
Ratio of Fair Value to Amortized Cost				100.00	%				99.7	%

The following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at March 31, 2014.

	Less than 12 months						12 months or more						Total
March 31, 2014:	Number of Securities	Unrealized Losses			Fair Value		Number of Securities	Unrealized Losses			Fair Value		Unrealized Losses			Fair Value
		($ in Thousands)
Investment securities available for sale:
Obligations of state and political subdivisions (municipal securities)	86	$	(620	)	$	36,357	1	$	(8	)	$	271	$	(628	)	$	36,628
Residential mortgage-related securities:
GSE	86		(36,552	)		1,439,729	19		(22,437	)		555,664		(58,989	)		1,995,393
Private-label	1		(17	)		1,917	2		(1	)		38		(18	)		1,955
GNMA commercial mortgage-related securities	17		(12,541	)		425,310	7		(15,083	)		209,336		(27,624	)		634,646
Asset backed securities	2		(36	)		21,282	—		—			—		(36	)		21,282
Other debt securities	3		(8	)		1,492	—		—			—		(8	)		1,492
Total		$	(49,774	)	$	1,926,087		$	(37,529	)	$	765,309	$	(87,303	)	$	2,691,396
Investment securities held to maturity:
Obligations of state and political subdivisions (municipal securities)	168	$	(2,377	)	$	76,708	25	$	(608	)	$	11,272	$	(2,985	)	$	87,980
Total		$	(2,377	)	$	76,708		$	(608	)	$	11,272	$	(2,985	)	$	87,980

The Corporation reviews the investment securities portfolio on a quarterly basis to monitor its exposure to other-than-temporary impairment. A determination as to whether a security’s decline in fair value is other-than-temporary takes into consideration numerous factors and the relative significance of any single factor can vary by security. Some factors the Corporation may consider in the other-than-temporary impairment analysis include, the length of time and extent to which the security has been in an unrealized loss position, changes in security ratings, financial condition and near-term prospects of the issuer, as well as security and industry specific economic conditions. In addition, with regards to its debt securities, the Corporation may also evaluate payment structure, whether there are defaulted payments or expected defaults, prepayment speeds, and the value of any underlying collateral. For certain debt securities in unrealized loss positions, the Corporation prepares cash flow analyses to compare the present value of cash flows expected to be collected from the security with the amortized cost basis of the security.

14

Based on the Corporation’s evaluation, management does not believe any unrealized loss at March 31, 2014 represents an other-than-temporary impairment as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions, and not credit deterioration. The unrealized losses reported for residential mortgage-related securities relate to private-label residential mortgage-related securities as well as residential mortgage-related securities issued by government-sponsored enterprises such as the Federal National Mortgage Association (“FNMA”) and the Federal Home Loan Mortgage Corporation (“FHLMC”). The unrealized losses reported for commercial mortgage-related securities relate to government agency issued securities, Government National Mortgage Association (“GNMA”). The Corporation currently does not intend to sell nor does it believe that it will be required to sell the securities contained in the above unrealized losses table before recovery of their amortized cost basis.

The following is a summary of the credit loss portion of other-than-temporary impairment recognized in earnings on debt securities for the year ended December 31, 2013 and the three months ended March 31, 2014, respectively.

	Private-label Mortgage- Related			Trust Preferred
	Securities			Debt Securities			Total
	($ in Thousands)
Balance of credit-related other-than-temporary impairment at December 31, 2012	$	(532	)	$	(6,336	)	$	(6,868	)
Reduction due to credit impaired securities sold		532			57			589
Balance of credit-related other-than-temporary impairment at December 31, 2013	$	—		$	(6,279	)	$	(6,279	)
Reduction due to credit impaired securities sold		—			765			765
Balance of credit-related other-than-temporary impairment at March 31, 2014	$	—		$	(5,514	)	$	(5,514	)

For comparative purposes, the following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2013.

	Less than 12 months						12 months or more						Total
December 31, 2013:	Number of Securities	Unrealized Losses			Fair Value		Number of Securities	Unrealized Losses			Fair Value		Unrealized Losses			Fair Value
		($ in Thousands)
Investment securities available for sale:
Obligations of state and political subdivisions (municipal securities)	113	$	(1,525	)	$	47,044	1	$	(8	)	$	273	$	(1,533	)	$	47,317
Residential mortgage-related securities:
GSE	106		(57,393	)		1,887,784	15		(21,186	)		421,082		(78,579	)		2,308,866
Private label	2		(37	)		2,105	1		—			35		(37	)		2,140
GNMA commercial mortgage-related securities	19		(23,854	)		443,462	—		(3,988	)		45,950		(27,842	)		489,412
Other debt securities	5		(43	)		6,452	1		—			—		(43	)		6,452
Total		$	(82,852	)	$	2,386,847		$	(25,182	)	$	467,340	$	(108,034	)	$	2,854,187
Investment securities held to maturity:
Obligations of state and political subdivisions (municipal securities)	298	$	(5,339	)	$	124,435	10	$	(383	)	$	5,010	$	(5,722	)	$	129,445
Total		$	(5,339	)	$	124,435		$	(383	)	$	5,010	$	(5,722	)	$	129,445

15

Federal Home Loan Bank (“FHLB”) and Federal Reserve Bank Stocks: The Corporation is required to maintain Federal Reserve stock and FHLB stock as a member of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $110 million at both March 31, 2014 and December 31, 2013 and Federal Reserve Bank stock of $71 million at both March 31, 2014 and December 31, 2013.

The Corporation reviewed these securities for impairment, including but not limited to, consideration of operating performance, the severity and duration of market value declines, as well as its liquidity and funding position. After evaluating all of these considerations, the Corporation believes the cost of these investments will be recovered and no impairment has been recorded on these securities during 2013 or the first three months of 2014.

NOTE 6: Loans, Allowance for Credit Losses, and Credit Quality

The period end loan composition was as follows.

	March 31, 2014		December 31, 2013
	($ in Thousands)
Commercial and industrial	$	5,222,141	$	4,822,680
Commercial real estate — owner occupied		1,098,089		1,114,715
Lease financing		52,500		55,483
Commercial and business lending		6,372,730		5,992,878
Commercial real estate — investor		3,001,219		2,939,456
Real estate construction		969,617		896,248
Commercial real estate lending		3,970,836		3,835,704
Total commercial		10,343,566		9,828,582
Home equity		1,762,002		1,825,014
Installment		393,321		407,074
Residential mortgage		3,942,555		3,835,591
Total consumer		6,097,878		6,067,679
Total loans	$	16,441,444	$	15,896,261

A summary of the changes in the allowance for credit losses was as follows.

	Three Months Ended March 31, 2014			Year Ended December 31, 2013
	($ in Thousands)
Allowance for Loan Losses:
Balance at beginning of period	$	268,315		$	297,409
Provision for loan losses		5,000			10,000
Charge offs		(11,361	)		(88,061	)
Recoveries		5,962			48,967
Net charge offs		(5,399	)		(39,094	)
Balance at end of period	$	267,916		$	268,315
Allowance for Unfunded Commitments:
Balance at beginning of period	$	21,900		$	21,800
Provision for unfunded commitments		—			100
Balance at end of period	$	21,900		$	21,900
Allowance for Credit Losses	$	289,816		$	290,215

16

The level of the allowance for loan losses represents management’s estimate of an amount appropriate to provide for probable credit losses in the loan portfolio at the balance sheet date. In general, the change in the allowance for loan losses is a function of a number of factors, including but not limited to changes in the loan portfolio, net charge offs, trends in past due and impaired loans, and the level of potential problem loans. Management considers the allowance for loan losses a critical accounting policy, as assessing these numerous factors involves significant judgment.

The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb estimated probable losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit) and is included in accrued expenses and other liabilities on the consolidated balance sheets. The determination of the appropriate level of the allowance is based upon an evaluation of the unfunded credit facilities, including an assessment of historical commitment utilization experience and credit risk grading of the loan. Net adjustments to the allowance for unfunded commitments are included in provision for credit losses in the consolidated statements of income. See Note 12 for additional information on the allowance for unfunded commitments.

A summary of the changes in the allowance for loan losses by portfolio segment for the three months ended March 31, 2014, was as follows.

$ in Thousands	Commercial and industrial			Commercial real estate - owner occupied			Lease financing		Commercial real estate - investor			Real estate construction			Home equity			Installment			Residential mortgage			Total
Balance at Dec 31, 2013	$	104,501		$	19,476		$	1,607	$	58,156		$	23,418		$	32,196		$	2,416		$	26,545		$	268,315
Provision for loan losses		9,593			(97	)		374		(3,325	)		(2,341	)		495			96			205			5,000
Charge offs		(5,334	)		(163	)		—		(302	)		(271	)		(3,581	)		(307	)		(1,403	)		(11,361	)
Recoveries		2,609			287			—		1,333			158			1,134			194			247			5,962
Balance at Mar 31, 2014	$	111,369		$	19,503		$	1,981	$	55,862		$	20,964		$	30,244		$	2,399		$	25,594		$	267,916
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	6,978		$	1,322		$	—	$	3,983		$	203		$	4		$	—		$	259		$	12,749
Ending balance impaired loans collectively evaluated for impairment	$	3,667		$	1,864		$	69	$	4,141		$	1,947		$	13,095		$	448		$	11,829		$	37,060
Total impaired loans	$	10,645		$	3,186		$	69	$	8,124		$	2,150		$	13,099		$	448		$	12,088		$	49,809
Ending balance all other loans collectively evaluated for impairment	$	100,724		$	16,317		$	1,912	$	47,738		$	18,814		$	17,145		$	1,951		$	13,506		$	218,107
Total	$	111,369		$	19,503		$	1,981	$	55,862		$	20,964		$	30,244		$	2,399		$	25,594		$	267,916
Loans:
Ending balance impaired loans individually evaluated for impairment	$	31,526		$	21,580		$	—	$	28,790		$	3,930		$	427		$	—		$	9,966		$	96,219
Ending balance impaired loans collectively evaluated for impairment	$	34,738		$	16,734		$	172	$	50,841		$	5,691		$	31,630		$	1,140		$	57,737		$	198,683
Total impaired loans	$	66,264		$	38,314		$	172	$	79,631		$	9,621		$	32,057		$	1,140		$	67,703		$	294,902
Ending balance all other loans collectively evaluated for impairment	$	5,155,877		$	1,059,775		$	52,328	$	2,921,588		$	959,996		$	1,729,945		$	392,181		$	3,874,852		$	16,146,542
Total	$	5,222,141		$	1,098,089		$	52,500	$	3,001,219		$	969,617		$	1,762,002		$	393,321		$	3,942,555		$	16,441,444

The allocation methodology used by the Corporation includes allocations for specifically identified impaired loans and loss factor allocations (used for both criticized and non-criticized loan categories), with a component primarily based on historical loss rates and a component primarily based on other qualitative factors. Management allocates the allowance for loan losses by pools of risk within each loan portfolio. The allocation of the allowance for loan losses by loan portfolio is made for analytical purposes and is not necessarily indicative of the trend of future loan losses in any particular category. The total allowance for loan losses is available to absorb losses from any segment of the loan portfolio.

17

For comparison purposes, a summary of the changes in the allowance for loan losses by portfolio segment for the year ended December 31, 2013, was as follows.

$ in Thousands	Commercial and industrial			Commercial real estate - owner occupied			Lease financing			Commercial real estate - investor			Real estate construction			Home equity			Installment			Residential mortgage			Total
Balance at Dec 31, 2012	$	97,852		$	27,389		$	3,024		$	63,181		$	20,741		$	56,826		$	4,299		$	24,097		$	297,409
Provision for loan losses		12,930			(1,778	)		(1,429	)		(2,140	)		541			(8,213	)		(2,127	)		12,216			10,000
Charge offs		(35,146	)		(6,474	)		(206	)		(9,846	)		(3,375	)		(20,629	)		(1,389	)		(10,996	)		(88,061	)
Recoveries		28,865			339			218			6,961			5,511			4,212			1,633			1,228			48,967
Balance at Dec 31, 2013	$	104,501		$	19,476		$	1,607		$	58,156		$	23,418		$	32,196		$	2,416		$	26,545		$	268,315
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	7,994		$	1,019		$	—		$	3,932		$	254		$	123		$	—		$	315		$	13,637
Ending balance impaired loans collectively evaluated for impairment	$	3,923		$	1,936		$	29		$	3,963		$	2,162		$	13,866		$	487		$	11,872		$	38,238
Total impaired loans	$	11,917		$	2,955		$	29		$	7,895		$	2,416		$	13,989		$	487		$	12,187		$	51,875
Ending balance all other loans collectively evaluated for impairment	$	92,584		$	16,521		$	1,578		$	50,261		$	21,002		$	18,207		$	1,929		$	14,358		$	216,440
Total	$	104,501		$	19,476		$	1,607		$	58,156		$	23,418		$	32,196		$	2,416		$	26,545		$	268,315
Loans:
Ending balance impaired loans individually evaluated for impairment	$	29,343		$	24,744		$	—		$	32,367		$	3,777		$	929		$	—		$	10,526		$	101,686
Ending balance impaired loans collectively evaluated for impairment	$	40,893		$	17,929		$	69		$	50,175		$	6,483		$	33,871		$	1,360		$	56,947		$	207,727
Total impaired loans	$	70,236		$	42,673		$	69		$	82,542		$	10,260		$	34,800		$	1,360		$	67,473		$	309,413
Ending balance all other loans collectively evaluated for impairment	$	4,752,444		$	1,072,042		$	55,414		$	2,856,914		$	885,988		$	1,790,214		$	405,714		$	3,768,118		$	15,586,848
Total	$	4,822,680		$	1,114,715		$	55,483		$	2,939,456		$	896,248		$	1,825,014		$	407,074		$	3,835,591		$	15,896,261

18

The following table presents commercial loans by credit quality indicator at March 31, 2014.

	Pass		Special Mention		Potential Problem		Impaired		Total
	($ in Thousands)
Commercial and industrial	$	4,923,304	$	123,546	$	109,027	$	66,264	$	5,222,141
Commercial real estate — owner occupied		938,769		56,221		64,785		38,314		1,098,089
Lease financing		46,892		2,371		3,065		172		52,500
Commercial and business lending		5,908,965		182,138		176,877		104,750		6,372,730
Commercial real estate — investor		2,835,903		50,895		34,790		79,631		3,001,219
Real estate construction		951,759		3,367		4,870		9,621		969,617
Commercial real estate lending		3,787,662		54,262		39,660		89,252		3,970,836
Total commercial	$	9,696,627	$	236,400	$	216,537	$	194,002	$	10,343,566

The following table presents commercial loans by credit quality indicator at December 31, 2013.

	Pass		Special Mention		Potential Problem		Impaired		Total
	($ in Thousands)
Commercial and industrial	$	4,485,160	$	153,615	$	113,669	$	70,236	$	4,822,680
Commercial real estate — owner occupied		959,849		55,404		56,789		42,673		1,114,715
Lease financing		52,733		897		1,784		69		55,483
Commercial and business lending		5,497,742		209,916		172,242		112,978		5,992,878
Commercial real estate — investor		2,740,255		64,230		52,429		82,542		2,939,456
Real estate construction		877,911		2,814		5,263		10,260		896,248
Commercial real estate lending		3,618,166		67,044		57,692		92,802		3,835,704
Total commercial	$	9,115,908	$	276,960	$	229,934	$	205,780	$	9,828,582

The following table presents consumer loans by credit quality indicator at March 31, 2014.

	Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
	($ in Thousands)
Home equity	$	1,719,075	$	9,819	$	1,051	$	32,057	$	1,762,002
Installment		390,912		1,269		—		1,140		393,321
Residential mortgage		3,868,263		4,498		2,091		67,703		3,942,555
Total consumer	$	5,978,250	$	15,586	$	3,142	$	100,900	$	6,097,878

The following table presents consumer loans by credit quality indicator at December 31, 2013.

	Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
	($ in Thousands)
Home equity	$	1,777,421	$	10,680	$	2,113	$	34,800	$	1,825,014
Installment		404,514		1,150		50		1,360		407,074
Residential mortgage		3,758,688		6,118		3,312		67,473		3,835,591
Total consumer	$	5,940,623	$	17,948	$	5,475	$	103,633	$	6,067,679

Factors that are important to managing overall credit quality are sound loan underwriting and administration, systematic monitoring of existing loans and commitments, effective loan review on an ongoing basis, early identification of potential problems, and appropriate allowance for loan losses, nonaccrual and charge off policies.

For commercial loans, management has determined the pass credit quality indicator to include credits that exhibit acceptable financial statements, cash flow, and leverage. If any risk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits that are performing in accordance with the original contractual terms. Loans are

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considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that deserve management’s attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Potential problem loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses that may jeopardize liquidation of the debt and are characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected. Lastly, management considers a loan to be impaired when it is probable that the Corporation will be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. Management has determined that commercial and consumer loan relationships that have nonaccrual status or have had their terms restructured in a troubled debt restructuring meet this impaired loan definition. Commercial loans classified as special mention, potential problem, and impaired are reviewed at a minimum on a quarterly basis, while pass and performing rated credits are reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

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The following table presents loans by past due status at March 31, 2014.

	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due *		Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,484	$	642	$	16	$	4,142	$	5,179,511	$	5,183,653
Commercial real estate — owner occupied		5,292		50		—		5,342		1,066,012		1,071,354
Lease financing		567		—		—		567		51,761		52,328
Commercial and business lending		9,343		692		16		10,051		6,297,284		6,307,335
Commercial real estate — investor		5,582		1,606		—		7,188		2,960,420		2,967,608
Real estate construction		295		384		—		679		962,271		962,950
Commercial real estate lending		5,877		1,990		—		7,867		3,922,691		3,930,558
Total commercial		15,220		2,682		16		17,918		10,219,975		10,237,893
Home equity		8,114		1,705		68		9,887		1,729,630		1,739,517
Installment		1,004		265		586		1,855		390,551		392,406
Residential mortgage		3,968		530		53		4,551		3,889,099		3,893,650
Total consumer		13,086		2,500		707		16,293		6,009,280		6,025,573
Total accruing loans	$	28,306	$	5,182	$	723	$	34,211	$	16,229,255	$	16,263,466
Nonaccrual loans
Commercial and industrial	$	3,395	$	1,613	$	4,131	$	9,139	$	29,349	$	38,488
Commercial real estate — owner occupied		1,040		987		3,641		5,668		21,067		26,735
Lease financing		29		—		10		39		133		172
Commercial and business lending		4,464		2,600		7,782		14,846		50,549		65,395
Commercial real estate — investor		1,832		3,915		17,037		22,784		10,827		33,611
Real estate construction		21		24		2,529		2,574		4,093		6,667
Commercial real estate lending		1,853		3,939		19,566		25,358		14,920		40,278
Total commercial		6,317		6,539		27,348		40,204		65,469		105,673
Home equity		1,824		2,216		11,678		15,718		6,767		22,485
Installment		86		200		133		419		496		915
Residential mortgage		3,817		3,536		24,194		31,547		17,358		48,905
Total consumer		5,727		5,952		36,005		47,684		24,621		72,305
Total nonaccrual loans	$	12,044	$	12,491	$	63,353	$	87,888	$	90,090	$	177,978
Total loans
Commercial and industrial	$	6,879	$	2,255	$	4,147	$	13,281	$	5,208,860	$	5,222,141
Commercial real estate — owner occupied		6,332		1,037		3,641		11,010		1,087,079		1,098,089
Lease financing		596		—		10		606		51,894		52,500
Commercial and business lending		13,807		3,292		7,798		24,897		6,347,833		6,372,730
Commercial real estate — investor		7,414		5,521		17,037		29,972		2,971,247		3,001,219
Real estate construction		316		408		2,529		3,253		966,364		969,617
Commercial real estate lending		7,730		5,929		19,566		33,225		3,937,611		3,970,836
Total commercial		21,537		9,221		27,364		58,122		10,285,444		10,343,566
Home equity		9,938		3,921		11,746		25,605		1,736,397		1,762,002
Installment		1,090		465		719		2,274		391,047		393,321
Residential mortgage		7,785		4,066		24,247		36,098		3,906,457		3,942,555
Total consumer		18,813		8,452		36,712		63,977		6,033,901		6,097,878
Total loans	$	40,350	$	17,673	$	64,076	$	122,099	$	16,319,345	$	16,441,444

* The recorded investment in loans past due 90 days or more and still accruing totaled $723 thousand at March 31, 2014 (the same as the reported balances for the accruing loans noted above).

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The following table presents loans by past due status at December 31, 2013.

	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due *		Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,390	$	3,436	$	1,199	$	8,025	$	4,776,936	$	4,784,961
Commercial real estate — owner occupied		1,015		2,091		—		3,106		1,081,945		1,085,051
Lease financing		—		—		—		—		55,414		55,414
Commercial and business lending		4,405		5,527		1,199		11,131		5,914,295		5,925,426
Commercial real estate — investor		9,081		14,134		—		23,215		2,878,645		2,901,860
Real estate construction		836		1,118		—		1,954		887,827		889,781
Commercial real estate lending		9,917		15,252		—		25,169		3,766,472		3,791,641
Total commercial		14,322		20,779		1,199		36,300		9,680,767		9,717,067
Home equity		8,611		2,069		346		11,026		1,788,821		1,799,847
Installment		885		265		637		1,787		404,173		405,960
Residential mortgage		5,253		865		168		6,286		3,781,673		3,787,959
Total consumer		14,749		3,199		1,151		19,099		5,974,667		5,993,766
Total accruing loans	$	29,071	$	23,978	$	2,350	$	55,399	$	15,655,434	$	15,710,833
Nonaccrual loans
Commercial and industrial	$	998	$	1,764	$	9,765	$	12,527	$	25,192	$	37,719
Commercial real estate — owner occupied		2,482		1,724		11,125		15,331		14,333		29,664
Lease financing		—		—		69		69		—		69
Commercial and business lending		3,480		3,488		20,959		27,927		39,525		67,452
Commercial real estate — investor		3,408		899		20,466		24,773		12,823		37,596
Real estate construction		2,376		—		2,267		4,643		1,824		6,467
Commercial real estate lending		5,784		899		22,733		29,416		14,647		44,063
Total commercial		9,264		4,387		43,692		57,343		54,172		111,515
Home equity		1,725		1,635		14,331		17,691		7,476		25,167
Installment		129		24		289		442		672		1,114
Residential mortgage		3,199		3,257		26,201		32,657		14,975		47,632
Total consumer		5,053		4,916		40,821		50,790		23,123		73,913
Total nonaccrual loans	$	14,317	$	9,303	$	84,513	$	108,133	$	77,295	$	185,428
Total loans
Commercial and industrial	$	4,388	$	5,200	$	10,964	$	20,552	$	4,802,128	$	4,822,680
Commercial real estate — owner occupied		3,497		3,815		11,125		18,437		1,096,278		1,114,715
Lease financing		—		—		69		69		55,414		55,483
Commercial and business lending		7,885		9,015		22,158		39,058		5,953,820		5,992,878
Commercial real estate — investor		12,489		15,033		20,466		47,988		2,891,468		2,939,456
Real estate construction		3,212		1,118		2,267		6,597		889,651		896,248
Commercial real estate lending		15,701		16,151		22,733		54,585		3,781,119		3,835,704
Total commercial		23,586		25,166		44,891		93,643		9,734,939		9,828,582
Home equity		10,336		3,704		14,677		28,717		1,796,297		1,825,014
Installment		1,014		289		926		2,229		404,845		407,074
Residential mortgage		8,452		4,122		26,369		38,943		3,796,648		3,835,591
Total consumer		19,802		8,115		41,972		69,889		5,997,790		6,067,679
Total loans	$	43,388	$	33,281	$	86,863	$	163,532	$	15,732,729	$	15,896,261

* The recorded investment in loans past due 90 days or more and still accruing totaled $2 million at December 31, 2013 (the same as the reported balances for the accruing loans noted above).

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The following table presents impaired loans at March 31, 2014.

	Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
	($ in Thousands)
Loans with a related allowance
Commercial and industrial	$	56,650	$	62,196	$	10,645	$	58,237	$	347
Commercial real estate — owner occupied		21,746		24,807		3,186		21,918		164
Lease financing		172		10		69		10		—
Commercial and business lending		78,568		87,013		13,900		80,165		511
Commercial real estate — investor		66,402		76,331		8,124		66,761		529
Real estate construction		7,972		11,841		2,150		8,228		43
Commercial real estate lending		74,374		88,172		10,274		74,989		572
Total commercial		152,942		175,185		24,174		155,154		1,083
Home equity		31,742		36,421		13,099		32,014		336
Installment		1,140		1,392		448		1,167		14
Residential mortgage		59,396		63,493		12,088		59,786		416
Total consumer		92,278		101,306		25,635		92,967		766
Total loans	$	245,220	$	276,491	$	49,809	$	248,121	$	1,849
Loans with no related allowance
Commercial and industrial	$	9,614	$	16,994	$	—	$	11,622	$	9
Commercial real estate — owner occupied		16,568		19,084		—		16,786		5
Lease financing		—		—		—		—		—
Commercial and business lending		26,182		36,078		—		28,408		14
Commercial real estate — investor		13,229		17,725		—		13,311		45
Real estate construction		1,649		2,078		—		1,707		3
Commercial real estate lending		14,878		19,803		—		15,018		48
Total commercial		41,060		55,881		—		43,426		62
Home equity		315		315		—		315		3
Installment		—		—		—		—		—
Residential mortgage		8,307		8,426		—		8,353		27
Total consumer		8,622		8,741		—		8,668		30
Total loans	$	49,682	$	64,622	$	—	$	52,094	$	92
Total
Commercial and industrial	$	66,264	$	79,190	$	10,645	$	69,859	$	356
Commercial real estate — owner occupied		38,314		43,891		3,186		38,704		169
Lease financing		172		10		69		10		—
Commercial and business lending		104,750		123,091		13,900		108,573		525
Commercial real estate — investor		79,631		94,056		8,124		80,072		574
Real estate construction		9,621		13,919		2,150		9,935		46
Commercial real estate lending		89,252		107,975		10,274		90,007		620
Total commercial		194,002		231,066		24,174		198,580		1,145
Home equity		32,057		36,736		13,099		32,329		339
Installment		1,140		1,392		448		1,167		14
Residential mortgage		67,703		71,919		12,088		68,139		443
Total consumer		100,900		110,047		25,635		101,635		796
Total loans	$	294,902	$	341,113	$	49,809	$	300,215	$	1,941

* Interest income recognized included $1 million of interest income recognized on accruing restructured loans for the three months ended March 31, 2014.

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The following table presents impaired loans at December 31, 2013.

	Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
	($ in Thousands)
Loans with a related allowance
Commercial and industrial	$	57,857	$	65,443	$	11,917	$	61,000	$	1,741
Commercial real estate — owner occupied		22,651		25,072		2,955		24,549		995
Lease financing		69		69		29		76		—
Commercial and business lending		80,577		90,584		14,901		85,625		2,736
Commercial real estate — investor		64,647		68,228		7,895		68,776		2,735
Real estate construction		8,815		12,535		2,416		9,796		236
Commercial real estate lending		73,462		80,763		10,311		78,572		2,971
Total commercial		154,039		171,347		25,212		164,197		5,707
Home equity		34,707		40,344		13,989		36,623		1,518
Installment		1,360		1,676		487		1,753		100
Residential mortgage		60,157		69,699		12,187		62,211		1,861
Total consumer		96,224		111,719		26,663		100,587		3,479
Total loans	$	250,263	$	283,066	$	51,875	$	264,784	$	9,186
Loans with no related allowance
Commercial and industrial	$	12,379	$	19,556	$	—	$	14,291	$	306
Commercial real estate — owner occupied		20,022		22,831		—		20,602		315
Lease financing		—		—		—		—		—
Commercial and business lending		32,401		42,387		—		34,893		621
Commercial real estate — investor		17,895		25,449		—		19,354		130
Real estate construction		1,445		1,853		—		1,576		13
Commercial real estate lending		19,340		27,302		—		20,930		143
Total commercial		51,741		69,689		—		55,823		764
Home equity		93		92		—		94		2
Installment		—		—		—		—		—
Residential mortgage		7,316		8,847		—		7,321		185
Total consumer		7,409		8,939		—		7,415		187
Total loans	$	59,150	$	78,628	$	—	$	63,238	$	951
Total
Commercial and industrial	$	70,236	$	84,999	$	11,917	$	75,291	$	2,047
Commercial real estate — owner occupied		42,673		47,903		2,955		45,151		1,310
Lease financing		69		69		29		76		—
Commercial and business lending		112,978		132,971		14,901		120,518		3,357
Commercial real estate — investor		82,542		93,677		7,895		88,130		2,865
Real estate construction		10,260		14,388		2,416		11,372		249
Commercial real estate lending		92,802		108,065		10,311		99,502		3,114
Total commercial		205,780		241,036		25,212		220,020		6,471
Home equity		34,800		40,436		13,989		36,717		1,520
Installment		1,360		1,676		487		1,753		100
Residential mortgage		67,473		78,546		12,187		69,532		2,046
Total consumer		103,633		120,658		26,663		108,002		3,666
Total loans	$	309,413	$	361,694	$	51,875	$	328,022	$	10,137

* Interest income recognized included $6 million of interest income recognized on accruing restructured loans for the year ended December 31, 2013.

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Loans are generally placed on nonaccrual status when contractually past due 90 days or more as to interest or principal payments, unless the loan is well secured and in the process of collection. Additionally, whenever management becomes aware of

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facts or circumstances that may adversely impact the collectability of principal or interest on loans, it is management’s practice to place such loans on nonaccrual status immediately, rather than delaying such action until the loans become 90 days past due. When a loan is placed on nonaccrual status, previously accrued and uncollected interest is reversed, amortization of related deferred loan fees or costs is suspended, and income is recorded only to the extent that interest payments are subsequently received in cash and a determination has been made that the principal and interest of the loan is collectible. If collectability of the principal and interest is in doubt, payments received are applied to loan principal.

While an asset is in nonaccrual status, some or all of the cash interest payments received may be treated as interest income on a cash basis as long as the remaining recorded investment in the asset (i.e., after charge off of identified losses, if any) is deemed to be fully collectible. The determination as to the ultimate collectability of the asset’s remaining recorded investment must be supported by a current, well documented credit evaluation of the borrower’s financial condition and prospects for repayment, including consideration of the borrower’s sustained historical repayment performance and other relevant factors. A nonaccrual loan is returned to accrual status when all delinquent principal and interest payments become current in accordance with the terms of the loan agreement, the borrower has demonstrated a period of sustained performance, and the ultimate collectability of the total contractual principal and interest is no longer in doubt. A sustained period of repayment performance generally would be a minimum of six months.

Troubled Debt Restructurings (“Restructured Loans”):

Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. The concessions granted generally involve the modification of terms of the loan, such as changes in payment schedule or interest rate, which generally would not otherwise be considered. Restructured loans can involve loans remaining on nonaccrual, moving to nonaccrual, or continuing on accrual status, depending on the individual facts and circumstances of the borrower. Nonaccrual restructured loans are included and treated with all other nonaccrual loans. In addition, all accruing restructured loans are reported as troubled debt restructurings, which are considered and accounted for as impaired loans. Generally, restructured loans remain on nonaccrual until the customer has attained a sustained period of repayment performance under the modified loan terms (generally a minimum of six months). However, performance prior to the restructuring, or significant events that coincide with the restructuring, are considered in assessing whether the borrower can meet the new terms and whether the loan should be returned or maintained on accrual status. If the borrower’s ability to meet the revised payment schedule is not reasonably assured, the loan remains on nonaccrual status. The Corporation had a $14 million recorded investment in loans modified in a troubled debt restructuring for the three months ended March 31, 2014, of which, $2 million were in accrual status and $12 million were in nonaccrual pending a sustained period of repayment.

As of March 31, 2014 and December 31, 2013, there were $74 million and $60 million, respectively, of nonaccrual restructured loans, and $117 million and $124 million, respectively, of performing restructured loans, included within impaired loans. All restructured loans are considered impaired in the calendar year of restructuring. In subsequent years, a restructured loan may cease being classified as impaired if the loan was modified at a market rate and has performed according to the modified terms for at least six months. A loan that has been modified at a below market rate will return to performing status if it satisfies the six month performance requirement; however, it will remain classified as a restructured loan. The following table presents nonaccrual and performing restructured loans by loan portfolio.

	March 31, 2014				December 31, 2013
	Performing Restructured Loans		Nonaccrual Restructured Loans *		Performing Restructured Loans		Nonaccrual Restructured Loans *
	($ in Thousands)
Commercial and industrial	$	27,776	$	8,781	$	32,517	$	6,900
Commercial real estate — owner occupied		11,579		15,697		13,009		10,999
Commercial real estate — investor		46,020		14,619		44,946		18,069
Real estate construction		2,954		2,558		3,793		2,065
Home equity		9,572		7,785		9,633		5,419
Installment		225		419		246		451
Residential mortgage		18,798		24,372		19,841		15,682
Total	$	116,924	$	74,231	$	123,985	$	59,585

* Nonaccrual restructured loans have been included with nonaccrual loans.

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The following table provides the number of loans modified in a troubled debt restructuring by loan portfolio during the three months ended March 31, 2014 and 2013, and the recorded investment and unpaid principal balance as of March 31, 2014 and 2013.

	Three Months Ended March 31, 2014						Three Months Ended March 31, 2013
	Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)		Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)
	($ in Thousands)
Commercial and industrial		8	$	3,446	$	7,218		22	$	2,844	$	5,315
Commercial real estate — owner occupied		4		5,298		5,781		3		2,217		2,228
Commercial real estate — investor		4		1,643		1,676		5		2,035		2,087
Real estate construction		—		—		—		5		1,960		1,980
Home equity		30		935		1,218		28		1,301		1,385
Installment		1		10		20		1		175		175
Residential mortgage		21		2,750		2,920		25		1,564		1,842
Total		68	$	14,082	$	18,833		89	$	12,096	$	15,012

(1) Represents post-modification outstanding recorded investment.

(2) Represents pre-modification outstanding recorded investment.

Restructured loan modifications may include payment schedule modifications, interest rate concessions, maturity date extensions, modification of note structure (A/B Note), non-reaffirmed Chapter 7 bankruptcies, principal reduction, or some combination of these concessions. During the three months ended March 31, 2014, restructured loan modifications of commercial and industrial, commercial real estate, and real estate construction loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of home equity and residential mortgage loans primarily included maturity date extensions, interest rate concessions, payment schedule modifications, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions for the three months ended March 31, 2014.

The following table provides the number of loans modified in a troubled debt restructuring during the previous 12 months which subsequently defaulted during the three months ended March 31, 2014 and 2013, as well as the recorded investment in these restructured loans as of March 31, 2014 and 2013.

	Three Months Ended March 31, 2014				Three Months Ended March 31, 2013
	Number of Loans		Recorded Investment		Number of Loans		Recorded Investment
	($ in Thousands)
Commercial and industrial		—	$	—		7	$	1,170
Commercial real estate — owner occupied		—		—		1		74
Commercial real estate — investor		—		—		3		1,781
Real estate construction		1		161		—		—
Home equity		7		388		3		109
Installment		1		10		—		—
Residential mortgage		12		1,761		3		624
Total		21	$	2,320		17	$	3,758

All loans modified in a troubled debt restructuring are evaluated for impairment. The nature and extent of the impairment of restructured loans, including those which have experienced a subsequent payment default, is considered in the determination of an appropriate level of the allowance for loan losses.

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NOTE 7: Goodwill and Other Intangible Assets

Goodwill: Goodwill is not amortized but, instead, is subject to impairment tests on at least an annual basis, and more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. The impairment testing process is conducted by assigning net assets and goodwill to each reporting unit. An initial qualitative evaluation is made to assess the likelihood of impairment and determine whether further quantitative testing to calculate the fair value is necessary. When the qualitative evaluation indicates that impairment is more likely than not, quantitative testing is required whereby the fair value of each reporting unit is calculated and compared to the recorded book value, “step one.” If the calculated fair value of the reporting unit exceeds its carrying value, goodwill is not considered impaired and “step two” is not considered necessary. If the carrying value of a reporting unit exceeds its calculated fair value, the impairment test continues (“step two”) by comparing the carrying value of the reporting unit’s goodwill to the implied fair value of goodwill. The implied fair value is computed by adjusting all assets and liabilities of the reporting unit to current fair value with the offset adjustment to goodwill. The adjusted goodwill balance is the implied fair value of the goodwill. An impairment charge is recognized if the carrying value of goodwill exceeds the implied fair value of goodwill.

The Corporation conducted its annual impairment testing in May 2013, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the significant increases in both the Corporation’s common stock price and in the overall bank common stock index (based on the Nasdaq bank index), as well as the Corporation’s improving earnings per common share trend over the past year. Based on these assessments, management concluded that the 2013 annual qualitative impairment assessment indicated that it is more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There were no impairment charges recorded in 2013 or through March 31, 2014. It is possible that a future conclusion could be reached that all or a portion of the Corporation’s goodwill may be impaired, in which case a non-cash charge for the amount of such impairment would be recorded in earnings. Such a charge, if any, would have no impact on tangible capital and would not affect the Corporation’s “well-capitalized” designation.

At March 31, 2014, the Corporation had goodwill of $929 million, including goodwill of $428 million assigned to the Commercial Banking reporting unit and goodwill of $501 million assigned to the Consumer Banking reporting unit. There was no change in the carrying amount of goodwill for the three months ended March 31, 2014, and the year ended December 31, 2013.

Other Intangible Assets: The Corporation has other intangible assets that are amortized, consisting of core deposit intangibles, other intangibles (primarily related to customer relationships acquired in connection with the Corporation’s insurance agency acquisitions), and mortgage servicing rights. For core deposit intangibles and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows.

	Three Months Ended March 31, 2014			Year Ended December 31, 2013
	($ in Thousands)
Core deposit intangibles:
Gross carrying amount	$	36,230		$	36,230
Accumulated amortization		(32,336	)		(31,565	)
Net book value	$	3,894		$	4,665
Amortization during the period	$	771		$	3,122
Other intangibles:
Gross carrying amount	$	19,283		$	19,283
Accumulated amortization		(12,984	)		(12,764	)
Net book value	$	6,299		$	6,519
Amortization during the period	$	220		$	921

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. Upon sale, a mortgage servicing rights asset is capitalized, which represents the then current fair value of future net cash flows

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expected to be realized for performing servicing activities. Mortgage servicing rights, when purchased, are initially recorded at fair value. As the Corporation has not elected to subsequently measure any class of servicing assets under the fair value measurement method, the Corporation follows the amortization method. Mortgage servicing rights are amortized in proportion to and over the period of estimated net servicing income, and assessed for impairment at each reporting date. Mortgage servicing rights are carried at the lower of the initial capitalized amount, net of accumulated amortization, or estimated fair value, and are included in other intangible assets, net, in the consolidated balance sheets.

The Corporation periodically evaluates its mortgage servicing rights asset for impairment. Impairment is assessed based on fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fall, prepayment speeds are usually faster and the value of the mortgage servicing rights asset generally decreases, requiring additional valuation reserve. Conversely, as mortgage interest rates rise, prepayment speeds are usually slower and the value of the mortgage servicing rights asset generally increases, requiring less valuation reserve. A valuation allowance is established, through a charge to earnings, to the extent the amortized cost of the mortgage servicing rights exceeds the estimated fair value by stratification. If it is later determined that all or a portion of the temporary impairment no longer exists for a stratification, the valuation is reduced through a recovery to earnings. An other-than-temporary impairment (i.e., recoverability is considered remote when considering interest rates and loan pay off activity) is recognized as a write-down of the mortgage servicing rights asset and the related valuation allowance (to the extent a valuation allowance is available) and then against earnings. A direct write-down permanently reduces the carrying value of the mortgage servicing rights asset and valuation allowance, precluding subsequent recoveries. See Note 12 for a discussion of the recourse provisions on serviced residential mortgage loans. See Note 13 which further discusses fair value measurement relative to the mortgage servicing rights asset.

A summary of changes in the balance of the mortgage servicing rights asset and the mortgage servicing rights valuation allowance was as follows.

	Three Months Ended March 31, 2014			Year Ended December 31, 2013
	($ in Thousands)
Mortgage servicing rights:
Mortgage servicing rights at beginning of period	$	64,193		$	61,425
Additions		1,725			18,256
Amortization		(2,725	)		(15,488	)
Mortgage servicing rights at end of period	$	63,193		$	64,193
Valuation allowance at beginning of period		(913	)		(15,476	)
Recoveries, net		156			14,563
Valuation allowance at end of period		(757	)		(913	)
Mortgage servicing rights, net	$	62,436		$	63,280
Fair value of mortgage servicing rights	$	71,987		$	74,444
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)		8,084,000			8,084,000
Mortgage servicing rights, net to servicing portfolio		0.77	%		0.78	%
Mortgage servicing rights expense (1)	$	2,569		$	925

(1) Includes the amortization of mortgage servicing rights and additions/recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net, in the consolidated statements of income.

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The following table shows the estimated future amortization expense for amortizing intangible assets. The projections of amortization expense are based on existing asset balances, the current interest rate environment, and prepayment speeds as of March 31, 2014. The actual amortization expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable.

Estimated amortization expense:	Core Deposit Intangibles		Other Intangibles		Mortgage Servicing Rights
	($ in Thousands)
Nine months ending December 31, 2014	$	2,097	$	659	$	7,685
Year ending December 31, 2015		1,404		839		8,777
Year ending December 31, 2016		281		803		7,345
Year ending December 31, 2017		112		770		6,171
Year ending December 31, 2018		—		740		5,197
Year ending December 31, 2019		—		441		4,397
Beyond 2019		—		2,047		23,621
Total Estimated Amortization Expense	$	3,894	$	6,299	$	63,193

NOTE 8: Short and Long-Term Funding

The components of short-term funding (funding with original contractual maturities of one year or less) and long-term funding (funding with original contractual maturities greater than one year) were as follows.

	March 31, 2014		December 31, 2013
	($ in Thousands)
Short-Term Funding
Federal funds purchased	$	391,075	$	56,195
Securities sold under agreements to repurchase		548,179		419,247
Federal funds purchased and securities sold under agreements to repurchase		939,254		475,442
FHLB advances		225,000		200,000
Commercial paper		83,652		65,484
Other short-term funding		308,652		265,484
Total short-term funding	$	1,247,906	$	740,926
Long-Term Funding
FHLB advances	$	2,500,288	$	2,500,297
Senior notes, at par		430,000		585,000
Other long-term funding and capitalized costs		1,752		1,970
Total long-term funding	$	2,932,040	$	3,087,267
Total short and long-term funding	$	4,179,946	$	3,828,193

Short-term funding:

The FHLB advances included in short-term funding are those with original contractual maturities of one year or less. The securities sold under agreements to repurchase represent short-term funding which is collateralized by securities of the U.S. Government or its agencies and mature daily.

Long-term funding:

FHLB advances: At March 31, 2014, the long-term FHLB advances had a weighted-average interest rate of 0.11%, compared to 0.10% at December 31, 2013. During the fourth quarter of 2013, the Corporation executed $2.5 billion of five year, variable rate FHLB advances that are putable, at our option, without penalty after six months. The FHLB advances are indexed to the FHLB

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discount note plus 6 basis points and reprice at varying intervals, including $1.0 billion repricing at four week intervals, $750 million repricing at 13 week intervals, and $750 million repricing daily. The advances offer flexible, low cost, long-term funding that improves the Corporation’s liquidity profile.

Senior notes: In March 2011, the Corporation issued $300 million of senior notes at a discount. In September 2011, the Corporation issued an additional $130 million of senior notes at a premium. The 2011 senior note issuances mature on March 28, 2016 and have a fixed coupon interest rate of 5.125%. In September 2012, the Corporation issued $155 million of senior notes at a discount. The Corporation redeemed the 2012 senior notes during February 2014.

NOTE 9: Income Taxes

The Corporation recognized income tax expense of $21 million for both the first quarter of 2014 and the first quarter of 2013. The effective tax rate was 31.35% for the first quarter of 2014, compared to an effective tax rate of 31.06% for the first quarter of 2013.

NOTE 10: Derivative and Hedging Activities

The Corporation facilitates customer borrowing activity by providing various interest rate risk management solutions through its capital markets area. To date, all of the notional amounts of customer transactions have been matched with a mirror swap with another counterparty. The Corporation may also use derivative instruments to hedge the variability in interest payments or protect the value of certain assets and liabilities recorded on its consolidated balance sheet from changes in interest rates. The predominant derivative and hedging activities include interest rate-related instruments (swaps and caps), foreign currency exchange forwards, written options, purchased options, and certain mortgage banking activities. The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, interest rate-related instruments generally contain language outlining collateral pledging requirements for each counterparty. Collateral must be posted when the market value exceeds certain threshold limits which are determined from the credit ratings of each counterparty. The Corporation was required to pledge $39 million of investment securities as collateral at March 31, 2014, and pledged $42 million of investment securities as collateral at December 31, 2013. Under the Dodd-Frank legislation, as of June 10, 2013, the Corporation must clear all LIBOR interest rate swaps through a clearing house. As such, the Corporation is required to pledge cash collateral for the margin. At March 31, 2014, the Corporation posted cash collateral for the margin of $9 million, compared to $6 million at December 31, 2013.

The Corporation’s derivative and hedging instruments are recorded at fair value on the consolidated balance sheets. The fair value of the Corporation’s interest rate-related instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative and also includes a nonperformance / credit risk component (credit valuation adjustment). See Note 13 for additional fair value information and disclosures.

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The table below identifies the balance sheet category and fair values of the Corporation’s derivative instruments not designated as hedging instruments.

							Weighted Average
($ in Thousands)	Notional Amount		Fair Value			Balance Sheet Category	Receive Rate(1)			Pay Rate(1)			Maturity
March 31, 2014
Interest rate-related instruments — customer and mirror	$	1,805,140	$	40,078		Trading assets		1.59	%		1.59	%		44 months
Interest rate-related instruments — customer and mirror		1,805,140		(42,843	)	Trading liabilities		1.59	%		1.59	%		44 months
Interest rate lock commitments (mortgage)		131,294		791		Other assets		—			—			—
Forward commitments (mortgage)		148,750		512		Other assets		—			—			—
Foreign currency exchange forwards		49,084		744		Trading assets		—			—			—
Foreign currency exchange forwards		41,241		(607	)	Trading liabilities		—			—			—
Purchased options (time deposit)		114,716		7,490		Other assets		—			—			—
Written options (time deposit)		114,716		(7,490	)	Other liabilities		—			—			—
December 31, 2013
Interest rate-related instruments — customer and mirror	$	1,821,787	$	42,980		Trading assets		1.63	%		1.63	%		45 months
Interest rate-related instruments — customer and mirror		1,821,787		(45,815	)	Trading liabilities		1.63	%		1.63	%		45 months
Interest rate lock commitments (mortgage)		102,225		416		Other assets		—			—			—
Forward commitments (mortgage)		135,000		1,301		Other assets		—			—			—
Foreign currency exchange forwards		25,747		748		Trading assets		—			—			—
Foreign currency exchange forwards		24,413		(655	)	Trading liabilities		—			—			—
Purchased options (time deposit)		115,953		7,328		Other assets		—			—			—
Written options (time deposit)		115,953		(7,328	)	Other liabilities		—			—			—

(1) Reflects the weighted average receive rate and pay rate for the interest rate swap derivative financial instruments only.

The table below identifies the income statement category of the gains and losses recognized in income on the Corporation’s derivative instruments not designated as hedging instruments.

	Income Statement Category of Gain /(Loss) Recognized in Income	Gain /(Loss) Recognized in Income
		($ in Thousands)
Three Months Ended March 31, 2014
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	70
Interest rate lock commitments (mortgage)	Mortgage banking, net		375
Forward commitments (mortgage)	Mortgage banking, net		(789	)
Foreign currency exchange forwards	Capital market fees, net		44
Three Months Ended March 31, 2013
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	381
Interest rate lock commitments (mortgage)	Mortgage banking, net		(2,526	)
Forward commitments (mortgage)	Mortgage banking, net		(696	)
Foreign currency exchange forwards	Capital market fees, net		29

Free standing derivatives

The Corporation enters into various derivative contracts which are designated as free standing derivative contracts. These derivative contracts are not designated against specific assets and liabilities on the balance sheet or forecasted transactions and, therefore, do not qualify for hedge accounting treatment. Such derivative contracts are carried at fair value on the consolidated balance sheet with changes in the fair value recorded as a component of Capital market fees, net, and typically include interest rate-related instruments (swaps and caps).

Free standing derivatives are entered into primarily for the benefit of commercial customers through providing derivative products which enables the customer to manage their exposures to interest rate risk. The Corporation’s market risk from unfavorable movements in interest rates related to these derivative contracts is generally economically hedged by concurrently entering into offsetting derivative contracts. The offsetting derivative contracts have identical notional values, terms and indices.

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Mortgage derivatives

Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded on the consolidated balance sheets with the changes in fair value recorded as a component of mortgage banking, net.

Foreign currency derivatives

The Corporation provides foreign exchange services to customers. The Corporation may enter into a foreign currency forward to mitigate the exchange rate risk attached to the cash flows of a loan or as an offsetting contract to a forward entered into as a service to our customer.

Written and purchased option derivatives (time deposit)

The Corporation has periodically entered into written and purchased option derivative instruments to facilitate an equity linked time deposit product (the “Power CD”). During September 2013, the Corporation terminated its Power CD product. The Power CD was a time deposit that provided the purchaser a guaranteed return of principal at maturity plus a potential equity return (a written option), while the Corporation received a known stream of funds based on the equity return (a purchased option). The written and purchased options are mirror derivative instruments which are carried at fair value on the consolidated balance sheets.

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NOTE 11: Balance Sheet Offsetting

Interest Rate-Related Instruments (“Interest Agreements”)

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers. The Corporation mitigates this risk by entering into equal and offsetting interest rate-related instruments with highly rated third party financial institutions. The interest agreements are free-standing derivatives and are recorded at fair value in the Corporation’s consolidated balance sheet. The Corporation is party to master netting arrangements with its financial institution counterparties; however, the Corporation does not offset assets and liabilities under these arrangements for financial statement presentation purposes. The master netting arrangements provide for a single net settlement of all interest agreements, as well as collateral, in the event of default on, or termination of, any one contract. Collateral, usually in the form of investment securities, is posted by the counterparty with net liability positions in accordance with contract thresholds. See Note 10 for additional information on the Corporation’s derivative and hedging activities.

Securities Sold Under Agreements to Repurchase (“Repurchase Agreements”)

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. As a result, these repurchase agreements are accounted for as collateralized financing arrangements (i.e., secured borrowings) and not as a sale and subsequent repurchase of securities. The obligation to repurchase the securities is reflected as a liability in the Corporation’s consolidated balance sheet, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). The right of setoff for a repurchase agreement resembles a secured borrowing, whereby the collateral would be used to settle the fair value of the repurchase agreement should the Corporation be in default (e.g., fails to make an interest payment to the counterparty). In addition, the Corporation does not enter into reverse repurchase agreements; therefore, there is no such offsetting to be done with the repurchase agreements.

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The following table presents the assets and liabilities subject to an enforceable master netting arrangement as of March 31, 2014 and December 31, 2013. The swap agreements we have with our commercial customers are not subject to an enforceable master netting arrangement, and therefore, are excluded from this table.

	Gross		Gross amounts		Net amounts		Gross amounts not offset in the balance sheet
	amounts recognized		offset in the balance sheet		presented in the balance sheet		Financial instruments			Collateral			Net amount
	($ in Thousands)
March 31, 2014
Derivative assets:
Interest rate-related instruments	$	2,069	$	—	$	2,069	$	(2,068	)	$	—		$	1
Derivative liabilities:
Interest rate-related instruments	$	39,884	$	—	$	39,884	$	(2,068	)	$	(32,136	)	$	5,680
December 31, 2013
Derivative assets:
Interest rate-related instruments	$	3,084	$	—	$	3,084	$	(3,082	)	$	—		$	2
Derivative liabilities:
Interest rate-related instruments	$	41,786	$	—	$	41,786	$	(3,082	)	$	(33,405	)	$	5,299

NOTE 12: Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) and derivative instruments (see Note 10). The following is a summary of lending-related commitments.

	March 31, 2014		December 31, 2013
	($ in Thousands)
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale (1)(2)	$	6,235,837	$	6,367,771
Commercial letters of credit (1)		132,590		132,777
Standby letters of credit (3)		258,919		250,030

(1) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and is not material at March 31, 2014 or December 31, 2013.

(2) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

(3) The Corporation has established a liability of $4 million at both March 31, 2014 and December 31, 2013, as an estimate of the fair value of these financial instruments.

Lending-related Commitments

As a financial services provider, the Corporation routinely enters into commitments to extend credit. Such commitments are subject to the same credit policies and approval process accorded to loans made by the Corporation, with each customer’s creditworthiness evaluated on a case-by-case basis. The commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. The Corporation’s exposure to credit loss in the event of nonperformance by the other party to these financial instruments is represented by the contractual amount of those instruments. The amount of collateral obtained, if deemed necessary by the Corporation upon extension of credit, is based on management’s credit evaluation of the customer. Since a significant portion of commitments to extend credit are subject to specific restrictive loan covenants or may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements. An allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb estimated probable losses related to unfunded commitments (including unfunded loan commitments and letters of credit). For both March 31, 2014 and December 31, 2013, the Corporation had an allowance for unfunded commitments totaling $22 million included in accrued expenses and other liabilities on the consolidated balance sheets. See Note 6 for additional information on the allowance for unfunded commitments.

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Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded on the consolidated balance sheets. The Corporation’s derivative and hedging activity is further described in Note 10. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation has principal investment commitments to provide capital-based financing to private and public companies through either direct investments in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in low-income housing, small-business commercial real estate, new market tax credit projects, and historic tax credit projects to promote the revitalization of low-to-moderate-income neighborhoods throughout the local communities of its bank subsidiary. As a limited partner in these unconsolidated projects, the Corporation is allocated tax credits and deductions associated with the underlying projects. The aggregate carrying value of these investments at March 31, 2014 was $32 million, included in other assets on the consolidated balance sheets, compared to $33 million at December 31, 2013. Related to these investments, the Corporation had remaining commitments to fund of $14 million at March 31, 2014 and $16 million at December 31, 2013, respectively.

Contingent Liabilities

The Corporation is party to various pending and threatened claims and legal proceedings arising in the normal course of business activities, some of which involve claims for substantial amounts. Although there can be no assurance as to the ultimate outcomes, the Corporation believes it has meritorious defenses to the claims asserted against it in its currently outstanding matters, including the matters described below, and with respect to such legal proceedings, intends to continue to defend itself vigorously. The Corporation will consider settlement of cases when, in management’s judgment, it is in the best interests of both the Corporation and its shareholders.

On at least a quarterly basis, the Corporation assesses its liabilities and contingencies in connection with all pending or threatened claims and litigation, utilizing the most recent information available. On a matter by matter basis, an accrual for loss is established for those matters which the Corporation believes it is probable that a loss may be incurred and that the amount of such loss can be reasonably estimated. Once established, each accrual is adjusted as appropriate to reflect any subsequent developments. Accordingly, management’s estimate will change from time to time, and actual losses may be more or less than the current estimate. For matters where a loss is not probable, or the amount of the loss cannot be estimated, no accrual is established.

Resolution of legal claims is inherently unpredictable, and in many legal proceedings various factors exacerbate this inherent unpredictability, including where the damages sought are unsubstantiated or indeterminate, it is unclear whether a case brought as a class action will be allowed to proceed on that basis, discovery is not complete, the proceeding is not yet in its final stages, the matters present legal uncertainties, there are significant facts in dispute, there are a large number of parties (including where it is uncertain how liability, if any, will be shared among multiple defendants), or there is a wide range of potential results.

A lawsuit, R.J. ZAYED v. Associated Bank, N.A., was filed in the United States District Court for the District of Minnesota on January 29, 2013. The lawsuit relates to a Ponzi scheme perpetrated by Oxford Global Partners and related entities (“Oxford”) and individuals and was brought by the receiver for Oxford. Oxford was a depository customer of the Bank. The lawsuit claims that the Bank is liable for failing to uncover the Oxford Ponzi scheme, and specifically alleges the Bank aided and abetted (1) the fraudulent scheme; (2) a breach of fiduciary duty; (3) conversion; and (4) false representations and omissions. The lawsuit seeks unspecified consequential and punitive damages. The District Court granted the Bank’s motion to dismiss the complaint on September 30, 2013, and the plaintiff has appealed such dismissal to the U.S. Court of Appeals for the Eighth Circuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time. A lawsuit by investors in the same Ponzi scheme, Herman Grad, et al v. Associated Bank, N.A., brought in Brown County, Wisconsin in October 2009 was dismissed by the circuit court, and the dismissal was affirmed by the Wisconsin Court of Appeals in June 2011 in an unpublished opinion.

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A purported class action lawsuit, Wanda Boone v. Associated Banc-Corp, was filed on April 10, 2014 in the United States District Court for the Eastern District of Wisconsin. The lawsuit claims that loan coordinators employed by the Bank were not compensated for all hours worked, including the payment of overtime, in violation of the Fair Labor Standards Act of 1938 and Wisconsin wage laws. The lawsuit seeks monetary damages and attorneys’ fees. The Corporation intends to vigorously defend the lawsuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time.

Please see “Regulatory Matters” below for additional information.

The Corporation sells residential mortgage loans to investors in the normal course of business. Residential mortgage loans sold to others are predominantly conventional residential first lien mortgages originated under our usual underwriting procedures, and are most often sold on a nonrecourse basis, primarily to the government-sponsored enterprises (“GSEs”). The Corporation’s agreements to sell residential mortgage loans in the normal course of business usually require certain representations and warranties on the underlying loans sold, related to credit information, loan documentation, collateral, and insurability. Subsequent to being sold, if a material underwriting deficiency or documentation defect is discovered, the Corporation may be obligated to repurchase the loan or reimburse the GSEs for losses incurred (collectively, “make whole requests”). The make whole requests and any related risk of loss under the representations and warranties are largely driven by borrower performance.

As a result of make whole requests, the Corporation has repurchased loans with principal balances of $1 million and $3 million during the three months ended March 31, 2014 and the year ended December 31, 2013, respectively, and paid loss reimbursement claims of $274 thousand and $3 million during the three months ended March 31, 2014 and the year ended December 31, 2013, respectively. The Corporation had a repurchase reserve for potential claims on loans previously sold of $5 million at March 31, 2014, compared to $6 million at December 31, 2013. Make whole requests during 2013 and the first three months of 2014 generally arose from loans sold during the period January 1, 2006 to March 31, 2014, which totaled $17.9 billion at the time of sale, and consisted primarily of loans sold to GSEs. As of March 31, 2014, approximately $7.6 billion of these sold loans remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The following summarizes the changes in the mortgage repurchase reserve.

	For the Three Months Ended March 31, 2014			For the Year Ended December 31, 2013
	($ in Thousands)
Balance at beginning of period	$	5,700		$	3,300
Repurchase provision expense		(638	)		5,909
Charge offs		(262	)		(3,509	)
Balance at end of period	$	4,800		$	5,700

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan’s maturity, usually after certain time and / or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At March 31, 2014, and December 31, 2013, there were approximately $43 million and $56 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB in exchange for a monthly credit enhancement fee. The Corporation has not sold loans to the FHLB with such credit risk retention since February 2005. At March 31, 2014 and December 31, 2013, there were $219 million and $233 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been negligible historical losses to the Corporation.

Regulatory Matters

In July 2013, the Office of the Comptroller of the Currency (the “OCC”) notified the Bank that it was considering imposing a civil money penalty related to the Bank’s past Bank Secrecy Act (“BSA”) deficiencies which were the subject of a Consent Order. The

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Consent Order was subsequently terminated in March, 2014. The Bank has responded to such notice, and after considering the Bank’s response, the OCC may impose a civil money penalty related to such deficiencies. The Corporation has also been informed by the OCC that the U.S. Treasury’s Financial Crimes Enforcement Network (FinCEN) is also considering imposing a civil money penalty related to the same past BSA deficiencies. It is not possible for management to estimate a reasonable range of exposure relating to these potential civil money penalties at this time.

NOTE 13: Fair Value Measurements

Fair value represents the estimated price at which an orderly transaction to sell an asset or to transfer a liability would take place between market participants at the measurement date under current market conditions (i.e., an exit price concept). As there is no active market for many of the Corporation’s financial instruments, estimates are made using discounted cash flow or other valuation techniques. Inputs into the valuation methods are subjective in nature, involve uncertainties, and require significant judgment and therefore cannot be determined with precision. Accordingly, the derived fair value estimates presented herein are not necessarily indicative of the amounts the Corporation could realize in a current market exchange. Assets and liabilities are categorized into three levels based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy in which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The Corporation’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability. Below is a brief description of each fair value level.

Level 1 inputs	Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities that the Corporation has the ability to access.
Level 2 inputs	Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.
Level 3 inputs	Level 3 inputs are unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

Following is a description of the valuation methodologies used for the Corporation’s more significant instruments measured on a recurring basis at fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

Investment securities available for sale: Where quoted prices are available in an active market, investment securities are classified in Level 1 of the fair value hierarchy. Level 1 investment securities primarily include U.S. Treasury, certain Federal agency, and exchange-traded debt and equity securities. If quoted market prices are not available for the specific security, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate, and are classified in Level 2 of the fair value hierarchy. Examples of these investment securities include certain Federal agency securities, obligations of state and political subdivisions (municipal securities), mortgage-related securities, asset-backed securities, and other debt securities. Lastly, in certain cases where there is limited activity or less transparency around inputs to the estimated fair value, securities are classified within Level 3 of the fair value hierarchy. Level 3 securities primarily include pooled trust preferred debt securities. To validate the fair value estimates, assumptions, and controls, the Corporation looks to transactions for similar instruments and utilizes independent pricing provided by third party vendors or brokers and relevant market indices. While none of these sources are solely indicative of fair value, they serve as directional indicators for the appropriateness of the Corporation’s fair value estimates. The Corporation has determined that the fair value measures of its investment securities are classified predominantly within Level 1 or 2 of the fair value hierarchy. See Note 5 for additional disclosure regarding the Corporation’s investment securities.

Derivative financial instruments (interest rate-related instruments): The Corporation uses interest rate swaps to manage its interest rate risk. In addition, the Corporation offers customer interest rate-related instruments (swaps and caps) to service our customers’ needs, for which the Corporation simultaneously enters into offsetting derivative financial instruments (i.e., mirror interest rate-related instruments) with third parties to manage its interest rate risk associated with these financial instruments. The valuation of the Corporation’s derivative financial instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative and, also includes a nonperformance / credit risk component (credit valuation adjustment). See Note 10 for additional disclosure regarding the Corporation’s derivative financial instruments.

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The discounted cash flow analysis component in the fair value measurements reflects the contractual terms of the derivative financial instruments, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. More specifically, the fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts (or payments), with the variable cash payments (or receipts) based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. Likewise, the fair values of interest rate options (i.e., interest rate caps) are determined using the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates fall below (or rise above) the strike rate of the floors (or caps), with the variable interest rates used in the calculation of projected receipts on the floor (or cap) based on an expectation of future interest rates derived from observable market interest rate curves and volatilities.

The Corporation also incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative financial instruments for the effect of nonperformance risk, the Corporation has considered the impact of netting and any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees. In conjunction with the FASB’s fair value measurement guidance, the Corporation made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

While the Corporation has determined that the majority of the inputs used to value its derivative financial instruments fall within Level 2 of the fair value hierarchy, the credit valuation adjustments utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. The Corporation has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions as of March 31, 2014, and December 31, 2013, and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivative financial instruments. Therefore, the Corporation has determined that the fair value measures of its derivative financial instruments in their entirety are classified within Level 2 of the fair value hierarchy.

Derivative financial instruments (foreign currency exchange forwards): The Corporation provides foreign currency exchange services to customers. In addition, the Corporation may enter into a foreign currency exchange forward to mitigate the exchange rate risk attached to the cash flows of a loan or as an offsetting contract to a forward entered into as a service to our customer. The valuation of the Corporation’s foreign currency exchange forwards is determined using quoted prices of foreign currency exchange forwards with similar characteristics, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate, and are classified in Level 2 of the fair value hierarchy. See Note 10 for additional disclosures regarding the corporation’s foreign currency exchange forwards.

Derivative financial instruments (mortgage derivatives): Mortgage derivatives include interest rate lock commitments to originate residential mortgage loans held for sale to individual customers and forward commitments to sell residential mortgage loans to various investors. The Corporation relies on an internal valuation model to estimate the fair value of its interest rate lock commitments to originate residential mortgage loans held for sale, which includes grouping the interest rate lock commitments by interest rate and terms, applying an estimated pull-through rate based on historical experience, and then multiplying by quoted investor prices determined to be reasonably applicable to the loan commitment groups based on interest rate, terms, and rate lock expiration dates of the loan commitment groups.

The Corporation also relies on an internal valuation model to estimate the fair value of its forward commitments to sell residential mortgage loans (i.e., an estimate of what the Corporation would receive or pay to terminate the forward delivery contract based on market prices for similar financial instruments), which includes matching specific terms and maturities of the forward commitments against applicable investor pricing available. While there are Level 2 and 3 inputs used in the valuation models, the Corporation has determined that the majority of the inputs significant in the valuation of both of the mortgage derivatives fall within Level 3 of the fair value hierarchy. See Note 10 for additional disclosure regarding the Corporation’s mortgage derivatives.

Following is a description of the valuation methodologies used for the Corporation’s more significant instruments measured on a nonrecurring basis at the lower of amortized cost or estimated fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

Loans Held for Sale: Loans held for sale, which consist generally of current production of certain fixed-rate, first-lien residential mortgage loans, are carried at the lower of cost or estimated fair value. The estimated fair value of the residential mortgage loans held for sale was based on what secondary markets are currently offering for portfolios with similar characteristics, which the Corporation classifies as a Level 2 nonrecurring fair value measurement.

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Impaired Loans: The Corporation considers a loan impaired when it is probable that the Corporation will be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. Management has determined that commercial and consumer loan relationships that have nonaccrual status or have had their terms restructured in a troubled debt restructuring meet this impaired loan definition. For individually evaluated impaired loans, the amount of impairment is based upon the present value of expected future cash flows discounted at the loan’s effective interest rate, the estimated fair value of the underlying collateral for collateral-dependent loans, or the estimated liquidity of the note. See Note 6 for additional information regarding the Corporation’s impaired loans.

Mortgage servicing rights: Mortgage servicing rights do not trade in an active, open market with readily observable prices. While sales of mortgage servicing rights do occur, the precise terms and conditions typically are not readily available to allow for a “quoted price for similar assets” comparison. Accordingly, the Corporation utilizes an independent valuation from a third party which uses a discounted cash flow model to estimate the fair value of its mortgage servicing rights. The valuation model incorporates prepayment assumptions to project mortgage servicing rights cash flows based on the current interest rate scenario, which is then discounted to estimate an expected fair value of the mortgage servicing rights. The valuation model considers portfolio characteristics of the underlying mortgages, contractually specified servicing fees, prepayment assumptions, discount rate assumptions, delinquency rates, late charges, other ancillary revenue, costs to service, and other economic factors. The Corporation periodically reviews and assesses the underlying inputs and assumptions used in the model. In addition, the Corporation compares its fair value estimates and assumptions to observable market data for mortgage servicing rights, where available, and to recent market activity and actual portfolio experience. Due to the nature of the valuation inputs, mortgage servicing rights are classified within Level 3 of the fair value hierarchy. The Corporation uses the amortization method (i.e., lower of amortized cost or estimated fair value measured on a nonrecurring basis), not fair value measurement accounting, for its mortgage servicing rights assets. See Note 7 for additional disclosure regarding the Corporation’s mortgage servicing rights.

The table below presents the Corporation’s investment securities available for sale and derivative financial instruments measured at fair value on a recurring basis as of March 31, 2014 and December 31, 2013, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

			Fair Value Measurements Using
	March 31, 2014		Level 1		Level 2		Level 3
	($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities	$	1,002	$	1,002	$	—	$	—
Obligations of state and political subdivisions (municipal securities)		665,344		—		665,344		—
Residential mortgage-related securities:
Government-sponsored enterprise (GSE)		3,769,242		—		3,769,242		—
Private-label		2,697		—		2,697		—
GNMA commercial mortgage-related securities		813,567		—		813,567		—
Asset-backed securities		21,282		—		21,282		—
Other securities (debt and equity)		4,774		3,247		1,300		227
Total investment securities available for sale	$	5,277,908	$	4,249	$	5,273,432	$	227
Derivatives (trading and other assets)	$	49,615	$	—	$	48,312	$	1,303
Liabilities:
Derivatives (trading and other liabilities)	$	50,940	$	—	$	50,940	$	—

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			Fair Value Measurements Using
	December 31, 2013		Level 1		Level 2		Level 3
	($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities	$	1,002	$	1,002	$	—	$	—
Obligations of state and political subdivisions (municipal securities)		676,080		—		676,080		—
Residential mortgage-related securities:
Government-sponsored enterprise (GSE)		3,838,430		—		3,838,430		—
Private-label		3,014		—		3,014		—
GNMA commercial mortgage-related securities		647,477		—		647,477		—
Asset-backed securities		23,059		—		23,059		—
Other securities (debt and equity)		61,523		3,238		57,986		299
Total investment securities available for sale	$	5,250,585	$	4,240	$	5,246,046	$	299
Derivatives (trading and other assets)	$	52,773	$	—	$	51,056	$	1,717
Liabilities:
Derivatives (trading and other liabilities)	$	53,798	$	—	$	53,798	$	—

The table below presents a rollforward of the balance sheet amounts for the year ended December 31, 2013 and the three months ended March 31, 2014, for financial instruments measured on a recurring basis and classified within Level 3 of the fair value hierarchy.

Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)
	Investment Securities Available for Sale			Derivative Financial Instruments
($ in Thousands)
Balance December 31, 2012	$	480		$	7,647
Total net losses included in income:
Mortgage derivative loss		—			(5,930	)
Total net losses included in other comprehensive income:
Unrealized investment securities loss		(70	)		—
Sales of investment securities		(111	)		—
Balance December 31, 2013	$	299		$	1,717
Total net losses included in income:
Mortgage derivative loss		—			(414	)
Total net losses included in other comprehensive income:
Unrealized investment securities loss		(78	)		—
Sales of investment securities		6			—
Balance March 31, 2014	$	227		$	1,303

For Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis as of March 31, 2014, the Corporation utilized the following valuation techniques and significant unobservable inputs.

Investment securities available for sale — other securities (debt and equity): In valuing the investment securities available for sale classified within Level 3, the Corporation utilized a discounted cash flow model and incorporated its own assumptions about future cash flows and discount rates adjusting for credit and liquidity factors. The Corporation also reviewed the underlying collateral and other relevant data in developing the assumptions for these investment securities.

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Derivative financial instruments (mortgage derivative — interest rate lock commitments to originate residential mortgage loans held for sale): The significant unobservable input used in the fair value measurement of the Corporation’s mortgage derivative interest rate lock commitments (“IRLC”) is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close. Typically the higher the closing ratio on the IRLC’s will result in an increase in the fair value if in a gain position or a decrease in fair value if in a loss position. The closing ratio calculation takes into consideration historical data and loan-level data, (particularly the change in the current interest rates from the time of initial rate lock). The closing ratio is periodically reviewed for reasonableness and reported to the Mortgage Risk Management Committee. At March 31, 2014, the closing ratio was 90%.

Impaired loans: For individually evaluated impaired loans, the amount of impairment is based upon the present value of expected future cash flows discounted at the loan’s effective interest rate, the estimated fair value of the underlying collateral for collateral-dependent loans, or the estimated liquidity of the note, resulting in average discounts of 20% to 25%.

Mortgage servicing rights: The discounted cash flow analyses that generate expected market prices utilize the observable characteristics of the mortgage servicing rights portfolio, as well as certain unobservable valuation parameters. The significant unobservable inputs used in the fair value measurement of the Corporation’s mortgage servicing rights are the weighted average constant prepayment rate and weighted average discount rate, which were 12.9% and 10.1% at March 31, 2014, respectively. Significant increases (decreases) in any of those inputs in isolation could result in a significantly lower (higher) fair value measurement. Although the prepayment rate and discount rate are not directly interrelated, they will generally move in opposite directions.

These parameter assumptions fall within a range that the Corporation, in consultation with an independent third party, believes purchasers of servicing would apply to such portfolios sold into the current secondary servicing market. Discussions are held with members from Treasury and Consumer Banking to reconcile the fair value estimates and the key assumptions used by the respective parties in arriving at those estimates. The Associated Mortgage Group Risk Committee is responsible for providing control over the valuation methodology and key assumptions. To assess the reasonableness of the fair value measurement, the Corporation also compares the fair value and constant prepayment rate to a value calculated by an independent third party on an annual basis.

The table below presents the Corporation’s loans held for sale, impaired loans, and mortgage servicing rights measured at fair value on a nonrecurring basis as of March 31, 2014 and December 31, 2013, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
			Fair Value Measurements Using
	March 31, 2014		Level 1		Level 2		Level 3
	($ in Thousands)
Assets:
Loans held for sale	$	46,529	$	—	$	46,529	$	—
Impaired loans (1)		83,470		—		—		83,470
Mortgage servicing rights		71,987		—		—		71,987

			Fair Value Measurements Using
	December 31, 2013		Level 1		Level 2		Level 3
	($ in Thousands)
Assets:
Loans held for sale	$	64,738	$	—	$	64,738	$	—
Impaired loans (1)		88,049		—		—		88,049
Mortgage servicing rights		74,444		—		—		74,444

(1) Represents individually evaluated impaired loans, net of the related allowance for loan losses.

Certain nonfinancial assets measured at fair value on a nonrecurring basis include other real estate owned (upon initial recognition or subsequent impairment), nonfinancial assets and nonfinancial liabilities measured at fair value in the second step of a goodwill impairment test, and intangible assets and other nonfinancial long-lived assets measured at fair value for impairment assessment.

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During the first three months of 2014 and the full year 2013, certain other real estate owned, upon initial recognition, was re-measured and reported at fair value through a charge off to the allowance for loan losses based upon the estimated fair value of the other real estate owned, less estimated selling costs. The fair value of other real estate owned, upon initial recognition or subsequent impairment, was estimated using appraised values, which the Corporation classifies as a Level 2 nonrecurring fair value measurement. Other real estate owned measured at fair value upon initial recognition totaled approximately $6 million for the first three months of 2014 and $29 million for the year ended December 31, 2013. In addition to other real estate owned measured at fair value upon initial recognition, the Corporation also recorded write-downs to the balance of other real estate owned for subsequent impairment of $1 million and $4 million to asset losses, net for the three months ended March 31, 2014 and the year ended December 31, 2013, respectively.

Fair Value of Financial Instruments:

The Corporation is required to disclose estimated fair values for its financial instruments. Fair value estimates, methods, and assumptions are set forth below for the Corporation’s financial instruments.

The estimated fair values of the Corporation’s financial instruments at March 31, 2014 and December 31, 2013, were as follows.

	March 31, 2014
	Carrying Amount		Fair Value		Fair Value Measurements Using
					Level 1		Level 2		Level 3
	($ in Thousands)
Financial assets:
Cash and due from banks	$	526,951	$	526,951	$	526,951	$	—	$	—
Interest-bearing deposits in other financial institutions		92,071		92,071		92,071		—		—
Federal funds sold and securities purchased under agreements to resell		4,400		4,400		4,400		—		—
Investment securities held to maturity		193,759		193,146		—		193,146		—
Investment securities available for sale		5,277,908		5,277,908		4,249		5,273,432		227
FHLB and Federal Reserve Bank stocks		181,360		181,360		—		181,360		—
Loans held for sale		46,529		46,529		—		46,529		—
Loans, net		16,173,528		16,224,051		—		—		16,224,051
Bank owned life insurance		568,631		568,631		—		568,631		—
Accrued interest receivable		69,317		69,317		69,317		—		—
Interest rate-related instruments		40,078		40,078		—		40,078		—
Foreign currency exchange forwards		744		744		—		744		—
Interest rate lock commitments to originate residential mortgage loans held for sale		791		791		—		—		791
Forward commitments to sell residential mortgage loans		512		512		—		—		512
Purchased options (time deposit)		7,490		7,490		—		7,490		—
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits	$	15,885,280	$	15,885,280	$	—	$	—	$	15,885,280
Brokered CDs and other time deposits		1,624,647		1,626,978		—		1,626,978		—
Short-term funding		1,247,906		1,247,906		—		1,247,906		—
Long-term funding		2,932,040		2,924,315		—		2,924,315		—
Accrued interest payable		1,520		1,520		1,520		—		—
Interest rate-related instruments		42,843		42,843		—		42,843		—
Foreign currency exchange forwards		607		607		—		607		—
Standby letters of credit (1)		3,844		3,844		—		3,844		—
Written options (time deposit)		7,490		7,490		—		7,490		—

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	December 31, 2013
	Carrying Amount		Fair Value		Fair Value Measurements Using
					Level 1		Level 2		Level 3
	($ in Thousands)
Financial assets:
Cash and due from banks	$	455,482	$	455,482	$	455,482	$	—	$	—
Interest-bearing deposits in other financial institutions		126,018		126,018		126,018		—		—
Federal funds sold and securities purchased under agreements to resell		20,745		20,745		20,745		—		—
Investment securities held to maturity		175,210		169,889		—		169,889		—
Investment securities available for sale		5,250,585		5,250,585		4,240		5,246,046		299
FHLB and Federal Reserve Bank stocks		181,249		181,249		—		181,249		—
Loans held for sale		64,738		64,738		—		64,738		—
Loans, net		15,627,946		15,599,094		—		—		15,599,094
Bank owned life insurance		568,413		568,413		—		568,413		—
Accrued interest receivable		66,308		66,308		66,308		—		—
Interest rate-related instruments		42,980		42,980		—		42,980		—
Foreign currency exchange forwards		748		748		—		748		—
Interest rate lock commitments to originate residential mortgage loans held for sale		416		416		—		—		416
Forward commitments to sell residential mortgage loans		1,301		1,301		—		—		1,301
Purchased options (time deposit)		7,328		7,328		—		7,328		—
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits	$	15,581,971	$	15,581,971	$	—	$	—	$	15,581,971
Brokered CDs and other time deposits		1,685,196		1,687,198		—		1,687,198		—
Short-term funding		740,926		740,926		—		740,926		—
Long-term funding		3,087,267		3,085,893		—		3,085,893		—
Accrued interest payable		7,994		7,994		7,994		—		—
Interest rate-related instruments		45,815		45,815		—		45,815		—
Foreign currency exchange forwards		655		655		—		655		—
Standby letters of credit (1)		3,754		3,754		—		3,754		—
Written options (time deposit)		7,328		7,328		—		7,328		—

(1) The commitment on standby letters of credit was $259 million and $250 million at March 31, 2014 and December 31, 2013, respectively. See Note 12 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

Cash and due from banks, interest-bearing deposits in other financial institutions, federal funds sold and securities purchased under agreements to resell, and accrued interest receivable — For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Investment securities (held to maturity and available for sale) — The fair value of investment securities is based on quoted prices in active markets, or if quoted prices are not available for a specific security, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics, or discounted cash flows.

FHLB and Federal Reserve Bank stocks — The carrying amount is a reasonable fair value estimate for the Federal Reserve Bank and Federal Home Loan Bank stocks given their “restricted” nature (i.e., the stock can only be sold back to the respective institutions (Federal Home Loan Bank or Federal Reserve Bank) or another member institution at par).

Loans held for sale — The estimated fair value of the residential mortgage loans held for sale was based on what secondary markets are currently offering for portfolios with similar characteristics.

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Loans, net — The fair value estimation process for the loan portfolio uses an exit price concept and reflects discounts the Corporation believes are consistent with liquidity discounts in the market place. Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as commercial and industrial, real estate construction, commercial real estate (owner occupied and investor), lease financing, residential mortgage, home equity, and other installment. The fair value of loans is estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for similar maturities. The fair value analysis also included other assumptions to estimate fair value, intended to approximate those a market participant would use in an orderly transaction, with adjustments for discount rates, interest rates, liquidity, and credit spreads, as appropriate.

Bank owned life insurance — The fair value of bank owned life insurance approximates the carrying amount, because upon liquidation of these investments, the Corporation would receive the cash surrender value which equals the carrying amount.

Deposits — The fair value of deposits with no stated maturity such as noninterest-bearing demand deposits, savings, interest-bearing demand deposits, and money market accounts, is equal to the amount payable on demand as of the balance sheet date. The fair value of Brokered CDs and other time deposits is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities. However, if the estimated fair value of Brokered CDs and other time deposits is less than the carrying value, the carrying value is reported as the fair value.

Accrued interest payable and short-term funding — For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Long-term funding — Rates currently available to the Corporation for debt with similar terms and remaining maturities are used to estimate the fair value of existing long-term funding.

Interest rate-related instruments — The fair value of interest rate-related instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative. The Corporation also incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements.

Foreign currency exchange forwards — The fair value of the Corporation’s foreign currency exchange forwards is determined using quoted prices of foreign currency exchange forwards with similar characteristics, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate.

Standby letters of credit — The fair value of standby letters of credit represent deferred fees arising from the related off-balance sheet financial instruments. These deferred fees approximate the fair value of these instruments and are based on several factors, including the remaining terms of the agreement and the credit standing of the customer.

Interest rate lock commitments to originate residential mortgage loans held for sale — The Corporation relies on an internal valuation model to estimate the fair value of its interest rate lock commitments to originate residential mortgage loans held for sale, which includes grouping the interest rate lock commitments by interest rate and terms, applying an estimated pull-through rate based on historical experience, and then multiplying by quoted investor prices determined to be reasonably applicable to the loan commitment groups based on interest rate, terms, and rate lock expiration dates of the loan commitment groups.

Forward commitments to sell residential mortgage loans — The Corporation relies on an internal valuation model to estimate the fair value of its forward commitments to sell residential mortgage loans (i.e., an estimate of what the Corporation would receive or pay to terminate the forward delivery contract based on market prices for similar financial instruments), which includes matching specific terms and maturities of the forward commitments against applicable investor pricing available.

Purchased and written options — The fair value of the Corporation’s purchased and written options is determined using quoted prices of the underlying stocks.

Limitations — Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Corporation’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Corporation’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current

44

economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

NOTE 14: Retirement Plans

The Corporation has a noncontributory defined benefit retirement plan (the Retirement Account Plan (“RAP”)) covering substantially all full-time employees. The benefits are based primarily on years of service and the employee’s compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Any retirement plans of acquired entities are typically merged into the RAP after completion of the mergers, and credit is usually given to employees for years of service at the acquired institution for vesting and eligibility purposes. In connection with the First Federal acquisition in October 2004, the Corporation assumed the First Federal pension plan (the “First Federal Plan”). The First Federal Plan was frozen on December 31, 2004 and qualified participants in the First Federal Plan became eligible to participate in the RAP as of January 1, 2005. Additional discussion and information on the RAP and the First Federal Plan are collectively referred to below as the “Pension Plan”.

The Corporation also provides healthcare access for eligible retired employees in its Postretirement Plan (the “Postretirement Plan”). Retirees who are at least 55 years of age with 5 years of service are eligible to participate in the Postretirement Plan. The Corporation has no plan assets attributable to the Postretirement Plan. The Corporation reserves the right to terminate or make changes to the Postretirement Plan at any time.

The components of net periodic benefit cost for the Pension and Postretirement Plans for the three months ended March 31, 2014 and 2013, and for the full year 2013 were as follows.

	Three Months Ended March 31,						Year Ended December 31,
	2014			2013			2013
Components of Net Periodic Benefit Cost		($ in Thousands)
Pension Plan:
Service cost	$	2,975		$	2,975		$	12,078
Interest cost		1,790			1,548			6,237
Expected return on plan assets		(4,855	)		(4,305	)		(17,647	)
Amortization of prior service cost		15			17			72
Amortization of actuarial loss		325			1,073			4,344
Total net periodic benefit cost	$	250		$	1,308		$	5,084
Postretirement Plan:
Interest cost	$	39		$	40		$	142
Amortization of actuarial gain		(9	)		—			—
Total net periodic benefit cost	$	30		$	40		$	142

The Corporation’s funding policy is to pay at least the minimum amount required by the funding requirements of federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its Pension Plan.

NOTE 15: Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer and the distribution of those products and services are similar. The three reportable segments are Commercial Banking, Consumer Banking, and Risk Management and Shared Services, with no segment representing more than half of the assets, liabilities or Tier 1 common equity of the Corporation as a whole.

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The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2013 annual report on Form 10-K with certain exceptions. The more significant of these exceptions are described herein. The Corporation allocates interest income or interest expense using a funds transfer pricing methodology that charges users of funds (assets) interest expense and credits providers of funds (liabilities, primarily deposits) with income based on the maturity, prepayment and / or repricing characteristics of the assets and liabilities. The net effect of this allocation is recorded in the Risk Management and Shared Services segment. A credit provision is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined using the methodologies described in the Corporation’s 2013 annual report on Form 10-K to assess the overall appropriateness of the allowance for credit losses. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including amortization of core deposit and other intangible assets associated with acquisitions) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. generally accepted accounting principles. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. During 2013, certain organization and methodology changes were made and, accordingly, 2013 results have been restated and presented on a comparable basis.

A description of each business segment is presented below.

Commercial Banking — The Commercial Banking segment serves a wide range of customers including, businesses, developers, non-profits, municipalities, and financial institutions. Business customers in this segment typically include companies with annual sales over $10 million and delivery of services is provided through our regional and middle market units, our commercial real estate unit, as well as our specialized industries and commercial financial services area. The financial solutions provided to our customers include but are not limited to: (1) Lending solutions, such as business loans and lines of credit, business credit cards, commercial real estate financing, construction loans, letters of credit, leasing, and asset based lending. For our larger clients we also offer syndicated loans to meet their lending needs; (2) Deposit and cash management solutions such as business checking and interest-bearing deposit products, safe deposit and night depository services, liquidity solutions, payables and receivables solutions; and information services; and (3) Specialized financial services such as insurance and benefits related products and services, risk management, and international banking solutions. In serving the commercial banking segment we compete based on an in-depth understanding of our customers’ financial needs, the ability to match market competitive solutions to those needs, and the highest standards of relationship and service excellence in the delivery of these services.

Consumer Banking — The Consumer Banking segment serves individuals and small businesses (typically entities with less than $10 million in annual sales) through our various Retail Banking and Private Client offices, and provides companies of varying sizes with fiduciary services such as administration of pension, profit-sharing and other employee benefit plans, fiduciary and corporate agency services, and institutional asset management. The services provided to our individual and small business customers include but are not limited to: (1) Transactional solutions such as checking, credit, debit and pre-paid cards, online banking and bill pay, and money transfer services; (2) Lending solutions such as residential mortgages, home equity loans and lines of credit, business loans and lines, and personal and installment loans; and (3) Investable funds solutions such as savings, money market deposit accounts, IRA accounts, certificates of deposit, fixed and variable annuities, full-service, discount and on-line investment brokerage; as well as trust and investment management accounts. In serving the consumer banking segment we compete based on providing a broad range of solutions to meet the needs of our customers in their entire financial lifecycle, convenient access to our services through multiple channels such as branches, phone based services, online and mobile banking, and a relationship based business model which assists our customers in navigating any changes and challenges in their financial circumstances.

Risk Management and Shared Services — The Risk Management and Shared Services segment includes Corporate Risk Management, Credit Administration, Finance, Treasury, Operations and Technology, which are key shared functions. The segment also includes Parent Company activity, intersegment eliminations and residual revenue and expenses, representing the difference between actual

46

amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (funds transfer pricing mismatches) and credit risk and provision residuals (long term credit charge mismatches). The earning assets within this segment include the Corporation’s investment portfolio and capital includes both allocated as well as any remaining unallocated capital.

Information about the Corporation’s segments is presented below.

Segment Income Statement Data
($ in Thousands)	Commercial Banking			Consumer Banking			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2014
Net interest income	$	73,543		$	71,997		$	19,433		$	164,973
Noninterest income		24,234			43,448			5,839			73,521
Total revenue		97,777			115,445			25,272			238,494
Credit provision *		13,032			4,948			(12,980	)		5,000
Noninterest expense		47,268			99,482			20,908			167,658
Income before income taxes		37,477			11,015			17,344			65,836
Income tax expense		13,117			3,855			3,665			20,637
Net income	$	24,360		$	7,160		$	13,679		$	45,199
Return on average allocated capital (ROT1CE) **		12.5	%		5.9	%		8.1	%		9.4	%
Three Months Ended March 31, 2013
Net interest income	$	77,180		$	79,191		$	1,282		$	157,653
Noninterest income		23,169			54,195			4,636			82,000
Total revenue		100,349			133,386			5,918			239,653
Credit provision *		12,213			4,472			(13,385	)		3,300
Noninterest expense		46,644			102,513			18,458			167,615
Income before income taxes		41,492			26,401			845			68,738
Income tax expense (benefit)		14,522			9,240			(2,412	)		21,350
Net income	$	26,970		$	17,161		$	3,257		$	47,388
Return on average allocated capital (ROT1CE) **		14.5	%		12.8	%		1.4	%		10.1	%
Segment Balance Sheet Data
($ in Thousands)	Commercial Banking			Consumer Banking			Risk Management and Shared Services			Consolidated Total
Average Balances for 1Q 2014
Average earning assets	$	8,850,984		$	7,230,394		$	5,811,125		$	21,892,503
Average loans		8,843,070			7,230,394			91,153			16,164,617
Average deposits		5,241,027			9,539,887			2,209,358			16,990,272
Average allocated capital (T1CE) **	$	787,257		$	488,425		$	623,853		$	1,899,535
Average Balances for 1Q 2013
Average earning assets	$	8,156,150		$	7,298,554		$	5,226,215		$	20,680,919
Average loans		8,145,829			7,298,554			3,769			15,448,152
Average deposits		5,374,633			9,598,352			2,173,399			17,146,384
Average allocated capital (T1CE) **	$	754,004		$	543,345		$	559,082		$	1,856,431

* The consolidated credit provision is equal to the actual reported provision for credit losses.

** ROT1CE reflects return on average allocated Tier 1 common equity (“T1CE”). The ROT1CE for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.

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Note 16: Accumulated Other Comprehensive Income (Loss)

The following table summarizes the components of accumulated other comprehensive income (loss) at March 31, 2014 and 2013, changes during the three month periods then ended, and reclassifications out of accumulated other comprehensive income during the three month periods ended March 31, 2014 and 2013, respectively. The amounts reclassified from accumulated other comprehensive income for the investment securities available for sale are included in investment securities gains, net on the consolidated statements of income, while the amounts reclassified from accumulated other comprehensive income for the defined benefit pension and post retirement obligations are a component of personnel expense on the consolidated statements of income.

	Investments Securities Available For Sale			Defined Benefit Pension and Post Retirement Obligations			Accumulated Other Comprehensive Income (Loss)
Balance January 1, 2014	$	(11,396	)	$	(12,848	)	$	(24,244	)
Other comprehensive income before reclassifications		20,627			—			20,627
Amounts reclassified from accumulated other comprehensive income (loss)		(378	)		331			(47	)
Income tax expense		(7,786	)		(127	)		(7,913	)
Net other comprehensive income during period		12,463			204			12,667
Balance March 31, 2014	$	1,067		$	(12,644	)	$	(11,577	)
Balance January 1, 2013	$	86,109		$	(37,506	)	$	48,603
Other comprehensive loss before reclassifications		(9,931	)		—			(9,931	)
Amounts reclassified from accumulated other comprehensive income (loss)		(300	)		1,090			790
Income tax (expense) benefit		3,950			(421	)		3,529
Net other comprehensive income (loss) during period		(6,281	)		669			(5,612	)
Balance March 31, 2013	$	79,828		$	(36,837	)	$	42,991

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Special Note Regarding Forward-Looking Statements

This report contains statements that may constitute forward-looking statements within the meaning of the safe-harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995, such as statements other than historical facts contained or incorporated by reference into this report. These forward-looking statements include statements with respect to the Corporation’s financial condition, results of operations, plans, objectives, future performance and business, including statements preceded by, followed by or that include the words “believes,” “expects,” or “anticipates,” references to estimates or similar expressions. Future filings by the Corporation with the Securities and Exchange Commission, and future statements other than historical facts contained in written material, press releases and oral statements issued by, or on behalf of the Corporation may also constitute forward-looking statements.

All forward-looking statements contained in this report or which may be contained in future statements made for or on behalf of the Corporation are based upon information available at the time the statement is made and the Corporation assumes no obligation to update any forward-looking statements, except as required by federal securities law. Forward-looking statements are subject to significant risks and uncertainties, and the Corporation’s actual results may differ materially from the expected results discussed in such forward-looking statements. Factors that might cause actual results to differ from the results discussed in forward-looking statements include, but are not limited to, the risk factors in Item 1A, Risk Factors, in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2013, in Item 1A of Part II of this report, and as may be described from time to time in the Corporation’s subsequent SEC filings.

Overview

The following discussion and analysis is presented to assist in the understanding and evaluation of the Corporation’s financial condition and results of operations. It is intended to complement the unaudited consolidated financial statements, footnotes, and supplemental financial data appearing elsewhere in this Form 10-Q and should be read in conjunction therewith.

Critical Accounting Policies

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. Estimates that are particularly susceptible to significant change include the determination of the allowance for credit losses, goodwill impairment assessment, mortgage servicing rights valuation, and income taxes.

The consolidated financial statements of the Corporation are prepared in conformity with U.S. generally accepted accounting principles and follow general practices within the industries in which it operates. This preparation requires management to make estimates, assumptions, and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions, and judgments are based on information available as of the date of the financial statements; accordingly, as this information changes, actual results could differ from the estimates, assumptions, and judgments reflected in the financial statements. Certain policies inherently have a greater reliance on the use of estimates, assumptions, and judgments and, as such, have a greater possibility of producing results that could be materially different than originally reported. Management believes the following policies are both important to the portrayal of the Corporation’s financial condition and results of operations and require subjective or complex judgments and, therefore, management considers the following to be critical accounting policies. The critical accounting policies are discussed directly with the Audit Committee of the Corporation’s Board of Directors.

Allowance for Credit Losses: Management’s evaluation process used to determine the appropriateness of the allowance for credit losses (which includes the allowance for loan losses and the allowance for unfunded commitments) is subject to the use of estimates, assumptions, and judgments. The evaluation process combines many factors: management’s ongoing review and grading of the loan portfolio, consideration of historical loan loss and delinquency experience, trends in past due and nonaccrual loans, risk characteristics of the various classifications of loans, concentrations of loans to specific borrowers or industries, existing economic conditions, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect probable credit losses. Because current economic conditions can change and future events are inherently difficult to predict, the anticipated amount of estimated loan losses, and therefore the appropriateness of the allowance for credit losses, could change significantly. As an integral part of their examination process, various regulatory agencies also review the allowance for credit losses. Such agencies may require additions to the allowances for credit losses or may require that certain loan balances be charged off or downgraded into criticized loan categories

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when their credit evaluations differ from those of management, based on their judgments about information available to them at the time of their examination. The Corporation believes the level of the allowance for credit losses is appropriate as recorded in the consolidated financial statements. See Note 6, “Loans, Allowance for Credit Losses, and Credit Quality,” of the notes to consolidated financial statements and section “Allowance for Credit Losses.”

Goodwill Impairment Assessment: Goodwill is not amortized but, instead, is subject to impairment tests on at least an annual basis, and more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. The impairment testing process is conducted by assigning net assets and goodwill to each reporting unit. An initial qualitative evaluation is made to assess the likelihood of impairment and determine whether further quantitative testing to calculate the fair value is necessary. When the qualitative evaluation indicates that impairment is more likely than not, quantitative testing is required whereby the fair value of each reporting unit is calculated and compared to the recorded book value, “step one”. If the calculated fair value of the reporting unit exceeds its carrying value, goodwill is not considered impaired and “step two” is not considered necessary. If the carrying value of a reporting unit exceeds its calculated fair value, the impairment test continues (“step two”) by comparing the carrying value of the reporting unit’s goodwill to the implied fair value of goodwill. The implied fair value is computed by adjusting all assets and liabilities of the reporting unit to current fair value with the offset adjustment to goodwill. The adjusted goodwill balance is the implied fair value of the goodwill. An impairment charge is recognized if the carrying value of goodwill exceeds the implied fair value of goodwill.

The Corporation conducted its annual impairment testing in May 2013, utilizing the qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the significant increases in both the Corporation’s common stock price and in the overall bank common stock index (based on the NASDAQ bank index), as well as the Corporation’s improving earnings per common share trend over the past year. Based on these assessments, management concluded that the 2013 annual qualitative impairment assessment indicated that it is more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There were no impairment charges recorded in 2013 or through March 31, 2014. See also Note 7, “Goodwill and Other Intangible Assets”, of the notes to consolidated financial statements.

Mortgage Servicing Rights Valuation: The fair value of the Corporation’s mortgage servicing rights asset is important to the presentation of the consolidated financial statements since the mortgage servicing rights are carried on the consolidated balance sheet at the lower of amortized cost or estimated fair value. Mortgage servicing rights do not trade in an active open market with readily observable prices. As such, like other participants in the mortgage banking business, the Corporation relies on an independent valuation from a third party which uses a discounted cash flow model to estimate the fair value of its mortgage servicing rights. The use of a discounted cash flow model involves judgment, particularly of estimated prepayment speeds of underlying mortgages serviced and the overall level of interest rates. Loan type and note interest rate are the predominant risk characteristics of the underlying loans used to stratify capitalized mortgage servicing rights for purposes of measuring impairment. The Corporation periodically reviews the assumptions underlying the valuation of mortgage servicing rights. While the Corporation believes that the values produced by the discounted cash flow model are indicative of the fair value of its mortgage servicing rights portfolio, these values can change significantly depending upon key factors, such as the then current interest rate environment, estimated prepayment speeds of the underlying mortgages serviced, and other economic conditions. The proceeds that might be received should the Corporation actually consider a sale of some or all of the mortgage servicing rights portfolio could differ from the amounts reported at any point in time.

Mortgage servicing rights are carried at the lower of amortized cost or estimated fair value and are assessed for impairment at each reporting date. Impairment is assessed based on the fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fall, prepayment speeds are usually faster and the value of the mortgage servicing rights asset generally decreases, requiring additional valuation reserve. Conversely, as mortgage interest rates rise, prepayment speeds are usually slower and the value of the mortgage servicing rights asset generally increases, requiring less valuation reserve. However, the extent to which interest rates impact the value of the mortgage servicing rights asset depends, in part, on the magnitude of the changes in market interest rates and the differential between the then current market interest rates for mortgage loans and the mortgage interest rates included in the mortgage servicing portfolio. Management recognizes that the volatility in the valuation of the mortgage servicing rights asset will continue. To better understand the sensitivity of the impact of prepayment speeds and refinance rates on the value of the mortgage servicing rights asset at March 31, 2014 (holding all other factors unchanged), if refinance interest rates were to decrease 50 bp, the estimated value of the mortgage servicing rights asset would have been approximately $11 million (or 15%) lower. Conversely, if refinance interest rates were to increase 50 bp, the estimated value of the

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mortgage servicing rights asset would have been approximately $5 million (or 8%) higher. However, the Corporation’s potential recovery recognition due to valuation improvement is limited to the balance of the mortgage servicing rights valuation reserve, which was $1 million at March 31, 2014. The Corporation believes the mortgage servicing rights asset is properly recorded in the consolidated financial statements. See Note 7, “Goodwill and Other Intangible Assets,” and Note 13, “Fair Value Measurements,” of the notes to consolidated financial statements and section “Noninterest Income.”

Income Taxes: The assessment of tax assets and liabilities involves the use of estimates, assumptions, interpretations, and judgment concerning certain accounting pronouncements and federal and state tax codes. There can be no assurance that future events, such as court decisions or positions of federal and state taxing authorities, will not differ from management’s current assessment, the impact of which could be significant to the consolidated results of operations and reported earnings. Quarterly assessments are performed to determine if valuation allowances are necessary. Assessing the need for, or sufficiency of, a valuation allowance requires management to evaluate all available evidence, both positive and negative, including the recent trend of quarterly earnings. Positive evidence necessary to overcome the negative evidence includes whether future taxable income in sufficient amounts and character within the carryback and carryforward periods is available under the tax law, including the use of tax planning strategies. When negative evidence (e.g., cumulative losses in recent years, history of operating loss or tax credit carryforwards expiring unused) exists, more positive evidence than negative evidence will be necessary. The Corporation has concluded that based on the level of positive evidence, it is more likely than not that the deferred tax asset will be realized. However, there is no guarantee that the tax benefits associated with the deferred tax assets will be fully realized. The Corporation believes the tax assets and liabilities are properly recorded in the consolidated financial statements. See also Note 9, “Income Taxes,” of the notes to consolidated financial statements and section “Income Taxes.”

Segment Review

As discussed in Note 15, “Segment Reporting,” of the notes to consolidated financial statements, the Corporation’s reportable segments have been determined based upon its internal profitability measurement system, which is organized by strategic business unit. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The reportable segments are Commercial Banking, Consumer Banking and Risk Management and Shared Services.

The financial information of the Corporation’s segments was compiled utilizing the accounting policies described in Note 15, “Segment Reporting,” of the notes to consolidated financial statements. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. generally accepted accounting principles. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. During 2013, certain organization and methodology changes were made and, accordingly, 2013 results have been restated and presented on a comparable basis.

Comparable Quarter Segment Review

The Commercial Banking segment consists of lending and deposit solutions to businesses, developers, non-profits, municipalities, and financial institutions, and the support to deliver, fund and manage such banking solutions. The Commercial Banking segment had net income of $24 million for the first quarter of 2014, down $3 million compared to $27 million for the comparable quarter in 2013. Segment revenue decreased $2 million to $98 million during the first quarter of 2014 compared to $100 million for the first quarter of 2013 primarily due to lower spreads on loan and deposit products. The credit provision increased $1 million to $13 million during the first quarter of 2014, due to the growth in the segment’s loan balances. Average loan balances were $8.8 billion for the first quarter of 2014, up $697 million from an average balance of $8.1 billion for the first quarter of 2013, while average deposit balances were $5.2 billion for the first quarter of 2014, down $134 million from average deposits of $5.4 billion in the first quarter of 2013. Average allocated capital increased $33 million to $787 million for the first quarter of 2014 reflecting the increase in the segment’s loan balances.

The Consumer Banking segment consists of lending and deposit solutions to individuals and small businesses and also provides a variety of investment and fiduciary products and services. The Consumer Banking segment had net income of $7 million for the first quarter of 2014, down $10 million compared to $17 million for the first quarter of 2013. Segment revenue decreased $18 million to $115 million for the first quarter of 2014, primarily due to lower mortgage banking income as refinancing activity has drastically slowed and lower net interest income due to lower deposit spreads. The credit provision increased to $5 million during the first

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quarter of 2014. Total noninterest expense was down $3 million primarily due to a reduction in full time equivalent employees. Average loan balances decreased $68 million to $7.2 billion for first quarter of 2014 compared to $7.3 billion for the first quarter of 2013. Average deposits were $9.5 billion for the first quarter of 2014, down $58 million from $9.6 billion in the first quarter of 2013. Average allocated capital decreased $55 million to $488 million for the first quarter of 2014.

The Risk Management and Shared Services segment had net income of $14 million for the first quarter of 2014, up $11 million compared to $3 million for the comparable quarter in 2013. The primary component of the increase was a $19 million increase in total revenue primarily due to changes in the long-term funding rates utilized in the funds transfer pricing methodology for allocating net interest income credits to the Commercial and Consumer segments. Average earning asset balances were $5.8 billion for the first quarter of 2014, up $585 million from an average balance of $5.2 billion for the comparable quarter in 2013.

Results of Operations — Summary

The Corporation recorded net income of $45 million for the three months ended March 31, 2014, compared to net income of $47 million for the three months ended March 31, 2013. Net income available to common equity was $44 million for the three months ended March 31, 2014, or net income of $0.27 for both basic and diluted earnings per common share. Comparatively, net income available to common equity for the three months ended March 31, 2013, was $46 million, or net income of $0.27 for both basic and diluted earnings per common share. The net interest margin for the three months ended March 31, 2014 was 3.12% compared to 3.17% for the three months ended March 31, 2013.

TABLE 1

Summary Results of Operations: Trends

($ in Thousands, except per share data)

	1st Qtr 2014			4th Qtr 2013			3rd Qtr 2013			2nd Qtr 2013			1st Qtr 2013
Net income (Quarter)	$	45,199		$	47,758		$	45,658		$	47,888		$	47,388
Net income (Year-to-date)		45,199			188,692			140,934			95,276			47,388
Net income available to common equity (Quarter)	$	43,955		$	46,485		$	44,373		$	46,588		$	46,088
Net income available to common equity (Year-to-date)		43,955			183,534			137,049			92,676			46,088
Earnings per common share — basic (Quarter)	$	0.27		$	0.28		$	0.27		$	0.28		$	0.27
Earnings per common share — basic (Year-to-date)		0.27			1.10			0.82			0.55			0.27
Earnings per common share — diluted (Quarter)	$	0.27		$	0.28		$	0.27		$	0.28		$	0.27
Earnings per common share — diluted (Year-to-date)		0.27			1.10			0.82			0.55			0.27
Return on average assets (Quarter)		0.76	%		0.80	%		0.78	%		0.82	%		0.83	%
Return on average assets (Year-to-date)		0.76			0.81			0.81			0.83			0.83
Return on average equity (Quarter)		6.35	%		6.60	%		6.33	%		6.58	%		6.60	%
Return on average equity (Year-to-date)		6.35			6.52			6.50			6.59			6.60
Return on average tangible common equity (Quarter)		9.45	%		9.87	%		9.48	%		9.76	%		9.81	%
Return on average tangible common equity (Year-to-date)		9.45			9.73			9.68			9.78			9.81
Return on average Tier 1 common equity (Quarter) (1)		9.38	%		9.78	%		9.31	%		9.94	%		10.07	%
Return on average Tier 1 common equity (Year-to-date) (1)		9.38			9.77			9.77			10.00			10.07
Efficiency ratio (Quarter) (2)		70.41	%		73.70	%		71.45	%		69.01	%		70.03	%
Efficiency ratio (Year-to-date) (2)		70.41			71.04			70.14			69.51			70.03
Efficiency ratio, fully taxable equivalent (Quarter) (2)		68.86	%		72.59	%		70.10	%		67.21	%		68.39	%
Efficiency ratio, fully taxable equivalent (Year-to-date) (2)		68.86			69.56			68.53			67.79			68.39
Net interest margin (Quarter)		3.12	%		3.23	%		3.13	%		3.16	%		3.17	%
Net interest margin (Year-to-date)		3.12			3.17			3.15			3.17			3.17

(1) Return on average Tier 1 common equity = Net income available to common equity divided by average Tier 1 capital excluding qualifying perpetual preferred stock and qualifying trust preferred securities. This is a non-GAAP financial measure.

(2) See Table 1A for a reconciliation of this non-GAAP measure.

52

TABLE 1A

Reconciliation of Non-GAAP Measure

	1st Qtr 2014			4th Qtr 2013			3rd Qtr 2013			2nd Qtr 2013			1st Qtr 2013
Efficiency ratio (Quarter) (a)		70.41	%		73.70	%		71.45	%		69.01	%		70.03	%
Taxable equivalent adjustment (Quarter)		(1.35	)		(1.49	)		(1.50	)		(1.38	)		(1.46	)
Asset gains (losses), net (Quarter)		0.22			0.80			0.59			(0.01	)		0.24
Other intangible amortization (Quarter)		(0.42	)		(0.42	)		(0.44	)		(0.41	)		(0.42	)
Efficiency ratio, fully taxable equivalent (Quarter) (b)		68.86	%		72.59	%		70.10	%		67.21	%		68.39	%
Efficiency ratio (Year-to-date) (a)		70.41	%		71.04	%		70.14	%		69.51	%		70.03	%
Taxable equivalent adjustment (Year-to-date)		(1.35	)		(1.45	)		(1.45	)		(1.42	)		(1.46	)
Asset gains, net (Year-to-date)		0.22			0.39			0.27			0.11			0.24
Other intangible amortization (Year-to-date)		(0.42	)		(0.42	)		(0.43	)		(0.41	)		(0.42	)
Efficiency ratio, fully taxable equivalent (Year-to-date) (b)		68.86	%		69.56	%		68.53	%		67.79	%		68.39	%

(a) Efficiency ratio is defined by the Federal Reserve guidance as noninterest expense divided by the sum of net interest income plus noninterest income, excluding investment securities gains / losses, net.

(b) Efficiency ratio, fully taxable equivalent, is noninterest expense, excluding other intangible amortization, divided by the sum of taxable equivalent net interest income plus noninterest income, excluding investment securities gains / losses, net and asset gains / losses, net. This efficiency ratio is presented on a taxable equivalent basis, which adjusts net interest income for the tax-favored status of certain loans and investment securities. Management believes this measure to be the preferred industry measurement of net interest income as it enhances the comparability of net interest income arising from taxable and tax-exempt sources and it excludes certain specific revenue items (such as investment securities gains / losses, net and asset gains / losses, net).

Net Interest Income and Net Interest Margin

Net interest income on a taxable equivalent basis for the quarter ended March 31, 2014, was $170 million, an increase of $7 million (4%) versus the comparable quarter last year. The increase in taxable equivalent net interest income was attributable to favorable volume variance (as balance sheet changes in both volume and mix increased taxable equivalent net interest income by $6 million), and favorable rate variances (as the impact of changes in the interest rate environment and product pricing increased taxable equivalent net interest income by $1 million).

The net interest margin for the first quarter of 2014 was 3.12%, 5 bp lower than 3.17% for the same quarter in 2013. This comparable period decrease was comprised of a 3 bp lower contribution from net free funds and a 2 bp decrease in interest rate spread (the net of a 16 bp decrease in yield on earning assets and a 14 bp decrease in the cost of interest-bearing liabilities).

The Federal Reserve left interest rates unchanged during 2013 and the first quarter of 2014. The Federal Reserve affirmed that it is unlikely that the short-term interest rates will increase. For 2014, the Corporation anticipates continued modest compression of the net interest margin.

The yield on earning assets was 3.36% for the first quarter of 2014, 16 bp lower than the comparable period last year. Loan yields were down 22 bp, (to 3.61%), due to the repricing of adjustable rate loans and competitive pricing pressures in a low interest rate environment. The yield on investment securities and other short-term investments increased 8 bp (to 2.68%), and was also impacted by the low interest rate environment and slowing prepayment speeds of mortgage-related securities purchased at a premium.

The rate on interest-bearing liabilities of 0.31% for the first quarter of 2014 was 14 bp lower than the same period in 2013. Rates on interest-bearing deposits were down 8 bp (to 0.19%, reflecting the low interest rate environment and a reduction of higher cost deposit products). The cost of short and long-term funding decreased 66 bp (to 0.67%) with the cost of short-term funding relatively unchanged (down 2 bp to 0.15%), while long-term funding decreased 264 bp (to 0.87%) mainly due to favorable rates on FHLB advances executed during the fourth quarter of 2013.

Average earning assets were $21.9 billion for the first quarter of 2014, an increase of $1.2 billion (6%) from the comparable period last year. Average loans increased $716 million, including increases in commercial loans (up $831 million) and residential mortgage loans (up $304 million), while retail loans decreased (down $419 million). Average investment securities and other short-term investments increased $495 million, primarily in mortgage-related securities.

53

Average interest-bearing liabilities of $17.0 billion for the first quarter of 2014 increased $1.2 billion (8%) from the first quarter of 2013. On average, short and long-term funding increased $1.4 billion between the comparable three month periods, attributable to a $2.0 billion increase in long-term funding partially offset by a $664 million decrease in short-term funding. Average interest-bearing deposits decreased $136 million, while noninterest bearing deposits decreased $20 million.

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TABLE 2

Net Interest Income Analysis

($ in Thousands)

	Three Months Ended March 31, 2014							Three Months Ended March 31, 2013
	Average Balance		Interest Income/ Expense		Average Yield/ Rate			Average Balance		Interest Income/ Expense		Average Yield/ Rate
Earning assets:
Loans: (1) (2) (3)
Commercial and business lending	$	6,131,185	$	51,681		3.42	%	$	5,615,036	$	50,712		3.66	%
Commercial real estate lending		3,907,363		35,591		3.69			3,592,509		35,864		4.04
Total commercial		10,038,548		87,272		3.52			9,207,545		86,576		3.81
Residential mortgage		3,926,734		32,664		3.33			3,622,455		30,481		3.37
Retail		2,199,335		24,413		4.48			2,618,152		29,381		4.53
Total loans		16,164,617		144,349		3.61			15,448,152		146,438		3.83
Investment securities		5,450,066		36,922		2.71			4,891,714		32,757		2.68
Other short-term investments		277,820		1,449		2.09			341,053		1,247		1.47
Investments and other (1)		5,727,886		38,371		2.68			5,232,767		34,004		2.60
Total earning assets		21,892,503		182,720		3.36			20,680,919		180,442		3.52
Other assets, net		2,320,710							2,357,789
Total assets	$	24,213,213						$	23,038,708
Interest-bearing liabilities:
Interest-bearing deposits:
Savings deposits	$	1,195,337	$	220		0.07	%	$	1,141,781	$	208		0.07	%
Interest-bearing demand deposits		2,796,247		823		0.12			2,779,929		1,179		0.17
Money market deposits		7,173,106		2,825		0.16			7,044,344		3,615		0.21
Time deposits		1,659,277		2,291		0.56			1,994,406		3,539		0.72
Total interest-bearing deposits		12,823,967		6,159		0.19			12,960,460		8,541		0.27
Federal funds purchased and securities sold under agreements to repurchase		805,187		305		0.15			779,550		410		0.21
Other short-term funding		328,516		116		0.14			1,018,553		332		0.13
Long-term funding		3,004,520		6,511		0.87			960,820		8,416		3.51
Total short and long-term funding		4,138,223		6,932		0.67			2,758,923		9,158		1.33
Total interest-bearing liabilities		16,962,190		13,091		0.31			15,719,383		17,699		0.45
Noninterest-bearing demand deposits		4,166,305							4,185,924
Other liabilities		195,950							219,902
Stockholders’ equity		2,888,768							2,913,499
Total liabilities and equity	$	24,213,213						$	23,038,708
Interest rate spread						3.05	%						3.07	%
Net free funds						0.07							0.10
Net interest income, taxable equivalent, and net interest margin			$	169,629		3.12	%			$	162,743		3.17	%
Taxable equivalent adjustment				4,656							5,090
Net interest income			$	164,973						$	157,653

(1) The yield on tax exempt loans and securities is computed on a taxable equivalent basis using a tax rate of 35% for all periods presented and is net of the effects of certain disallowed interest deductions.

(2) Nonaccrual loans and loans held for sale have been included in the average balances.

(3) Interest income includes net loan fees.

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Provision for Credit Losses

The provision for credit losses (which includes the provision for loan losses and the provision for unfunded commitments) for the first three months of 2014 was $5 million, compared to $3 million for the first three months of 2013 and $10 million for the full year of 2013. Net charge offs were $5 million for the first three months of 2014, compared to $14 million for the first three months of 2013 and $39 million for the full year of 2013. Annualized net charge offs as a percent of average loans for the first three months of 2014 were 0.14%, compared to 0.38% for the first three months of 2013 and 0.25% for the full year of 2013. At March 31, 2014, the allowance for credit losses was $290 million, down from $308 million at March 31, 2013 and relatively unchanged compared to December 31, 2013. The ratio of the allowance for loan losses to total loans at March 31, 2014, was 1.63%, compared to 1.84% at March 31, 2013 and 1.69% at December 31, 2013. Nonaccrual loans at March 31, 2014 were $178 million, compared to $225 million at March 31, 2013, and $185 million at December 31, 2013. See Tables 7 and 8.

The provision for credit losses is predominantly a function of the Corporation’s reserving methodology and judgments as to other qualitative and quantitative factors used to determine the appropriate level of the allowance for credit losses (which includes the allowance for loan losses and the allowance for unfunded commitments). This reserving methodology focuses on changes in the size and character of the loan portfolio, changes in levels of impaired and other nonaccrual loans, historical losses and delinquencies on each portfolio category, the level of loans sold or transferred to held for sale, the risk inherent in specific loans, concentrations of loans to specific borrowers or industries, existing economic conditions, the fair value of underlying collateral, and other factors which could affect potential credit losses. See additional discussion under sections “Allowance for Credit Losses,” and “Nonaccrual Loans, Potential Problem Loans, and Other Real Estate Owned.”

Noninterest Income

Noninterest income for the first quarter of 2014 was $74 million, down $8 million (10%) from the first quarter of 2013, primarily due to declines in net mortgage banking income as refinancing activity has drastically slowed. For 2014, the Corporation expects noninterest income to be down slightly with declines in net mortgage banking offset by growth in other fee categories.

TABLE 3

Noninterest Income

($ in Thousands)

	1st Qtr. 2014		1st Qtr. 2013			Dollar Change			Percent Change
Trust service fees	$	11,711	$	10,910		$	801			7.3	%
Service charges on deposit accounts		16,400		16,829			(429	)		(2.5	)
Card-based and other nondeposit fees		12,509		11,950			559			4.7
Insurance commissions		12,317		11,763			554			4.7
Brokerage and annuity commissions		4,033		3,516			517			14.7
Core fee-based revenue		56,970		54,968			2,002			3.6
Mortgage banking income		8,930		17,538			(8,608	)		(49.1	)
Mortgage servicing rights expense		2,569		(227	)		2,796			N/M
Mortgage banking, net		6,361		17,765			(11,404	)		(64.2	)
Capital market fees, net		2,322		2,583			(261	)		(10.1	)
Bank owned life insurance (“BOLI”) income		4,320		2,970			1,350			45.5
Other		2,442		2,578			(136	)		(5.3	)
Subtotal		72,415		80,864			(8,449	)		(10.4	)
Asset gains, net		728		836			(108	)		(12.9	)
Investment securities gains, net		378		300			78			26.0
Total noninterest income	$	73,521	$	82,000		$	(8,479	)		(10.3	)%

N/M — Not meaningful.

Core fee-based revenue was $57 million, an increase of $2 million (4%) versus the first quarter of 2013. Trust service fees were $12 million for the first quarter of 2014, up $1 million (7%) from the first quarter in 2013. The market value of assets under management at March 31, 2014 and 2013 was $7.5 billion and $6.9 billion, respectively. All remaining core-fee based revenue categories on a combined basis were up $1 million (3%).

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Net mortgage banking income was $6 million for the first quarter of 2014 and $18 million for the first quarter of 2013. Net mortgage banking consists of gross mortgage banking income less mortgage servicing rights expense. Gross mortgage banking income (which includes servicing fees and the gain or loss on sales of mortgage loans to the secondary market, related fees and fair value marks on derivatives (collectively “gains on sales and related income”)) was $9 million for the first quarter of 2014, a decrease of $9 million compared to the first quarter of 2013. This decrease was primarily attributable to lower gains on sales and related income (down $12 million) partially offset by a $4 million reduction in the mortgage loan repurchase reserve provision (see Note 12 “Commitments, Off-Balance Sheet Arrangements and Contingent Liabilities,” of the notes to consolidated financial statements for additional information concerning this repurchase reserve). Secondary mortgage production was $204 million and $681 million for the first quarters of 2014 and 2013, respectively.

Mortgage servicing rights expense includes both the amortization of the mortgage servicing rights asset and changes to the valuation allowance associated with the mortgage servicing rights asset. Mortgage servicing rights expense is affected by the size of the servicing portfolio, as well as the changes in the estimated fair value of the mortgage servicing rights asset. Mortgage servicing rights expense was $3 million higher than the first quarter in 2013, with a $5 million lower recovery of the valuation reserve, partially offset by a $2 million reduction in amortization due to slower prepayments. Mortgage servicing rights are considered a critical accounting policy given that estimating their fair value involves a discounted cash flow model and assumptions that involve judgment, particularly of estimated prepayment speeds of the underlying mortgages serviced and the overall level of interest rates. See section “Critical Accounting Policies,” as well as Note 7 “Goodwill and Other Intangible Assets,” and Note 13, “Fair Value Measurements,” of the notes to consolidated financial statements for additional disclosure.

Bank owned life insurance income was $4 million, up $1 million from the first quarter of 2013, primarily due to death benefits received during the first quarter of 2014. All remaining noninterest income categories on a combined basis were $6 million, down 7% from the comparable quarter last year.

Noninterest Expense

Noninterest expense was $168 million for the first quarter of 2014, relatively unchanged from the comparable period in 2013. For 2014, the Corporation expects flat year over year noninterest expense with continued focus on efficiency initiatives.

TABLE 4

Noninterest Expense

($ in Thousands)

	1st Qtr. 2014		1st Qtr. 2013		Dollar Change			Percent Change
Personnel expense	$	97,698	$	97,907	$	(209	)		(0.2	)%
Occupancy		15,560		15,662		(102	)		(0.7	)
Equipment		6,276		6,167		109			1.8
Technology		12,724		11,508		1,216			10.6
Business development and advertising		5,062		4,537		525			11.6
Other intangible amortization		991		1,011		(20	)		(2.0	)
Loan expense		2,787		3,284		(497	)		(15.1	)
Legal and professional fees		4,188		5,345		(1,157	)		(21.6	)
Losses other than loans		544		384		160			41.7
Foreclosure / OREO expense		1,896		2,422		(526	)		(21.7	)
FDIC expense		5,001		5,432		(431	)		(7.9	)
Other		14,931		13,956		975			7.0
Total noninterest expense	$	167,658	$	167,615	$	43			—	%

Personnel expense (which includes salary-related expenses and fringe benefit expenses) was $98 million for the first quarter of 2014, relatively unchanged (down 0.2%) from the first quarter of 2013. Average full-time equivalent employees were 4,517 for the first

57

quarter of 2014, down 7% from 4,841 for the first quarter of 2013. Salary-related expenses increased $3 million (3%). This increase was primarily the result of higher compensation and performance based incentives. Fringe benefit expenses were down $3 million (14%) versus the first quarter of 2013, primarily due to a decrease in health insurance costs.

Nonpersonnel noninterest expenses on a combined basis were $70 million, flat compared to the first quarter of 2013. Equipment and technology was up $1 million (7%), due to investments in our systems and infrastructure. Legal and professional fees for the first quarter of 2014 were $4 million, down $1 million (22%) from the first quarter in 2013 due to a decrease in consultant costs. All remaining noninterest expense categories on a combined basis were relatively unchanged (up 0.2%) compared to the first quarter of 2013.

Income Taxes

The Corporation recognized income tax expense of $21 million for both the first quarter of 2014 and the first quarter of 2013. The effective tax rate was 31.35% for the first quarter of 2014, compared to an effective tax rate of 31.06% for the first quarter of 2013.

Income tax expense recorded in the consolidated statements of income involves the interpretation and application of certain accounting pronouncements and federal and state tax codes, and is, therefore, considered a critical accounting policy. Examination by taxing authorities may impact the amount of tax expense and / or reserve for uncertain tax positions if their interpretations differ from those of management, based on their judgments about information available to them at the time of their examinations. See Note 9, “Income Taxes,” of the notes to consolidated financial statements and section “Critical Accounting Policies.”

Balance Sheet

At March 31, 2014, total assets were $24.8 billion, up $579 million (2%) from December 31, 2013. Loans of $16.4 billion at March 31, 2014 were up $545 million (3%) from December 31, 2013, with increases in commercial loans of $515 million and residential mortgage loans of $107 million, partially offset by continued run off in home equity and installment balances of $77 million. See section “Credit Risk” for a detailed discussion of the changes in the loan portfolio and the related credit risk management for each loan type. Investment securities were $5.5 billion at March 31, 2014, an increase of $46 million (1%) from year-end 2013.

At March 31, 2014, total deposits of $17.5 billion were up $243 million (1%) from December 31, 2013. Since December 31, 2013, interest-bearing accounts increased $390 million (3%), primarily in interest-bearing demand and money market accounts. Noninterest-bearing demand deposits decreased $147 million to $4.5 billion and represented 26% of total deposits, down from 27% of total deposits at December 31, 2013. Short and long-term funding increased $352 million (9%) since year-end 2013, including an increase of $507 million in short-term funding (primarily Federal funds purchased), partially offset by a decrease of $155 million in long-term funding due to the early retirement of $155 million of senior notes in February 2014.

Since March 31, 2013, loans increased $890 million (6%), with commercial loans up $806 million and residential mortgage loans up $475 million, offset by a $391 million decline in home equity and installment loan balances. Deposits increased $89 million (1%) since March 31, 2013, attributable to a $63 million increase in interest-bearing accounts and a $26 million increase in noninterest-bearing demand deposits. Short and long-term funding increased $1.5 billion (56%), including a $2.0 billion increase in long-term funding as the Corporation took advantage of favorable interest rates on five year, putable, variable rate FHLB advances, partially offset by a $522 million reduction in short-term funding.

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TABLE 5

Period End Loan Composition

($ in Thousands)

	March 31, 2014					December 31, 2013					September 30, 2013					June 30, 2013					March 31, 2013
	Amount		% of Total			Amount		% of Total			Amount		% of Total			Amount		% of Total			Amount		% of Total
Commercial and industrial	$	5,222,141		32	%	$	4,822,680		31	%	$	4,703,056		30	%	$	4,752,838		30	%	$	4,651,143		30	%
Commercial real estate — owner occupied		1,098,089		7			1,114,715		7			1,147,352		8			1,174,866		8			1,199,513		8
Lease financing		52,500		—			55,483		—			51,727		—			55,084		—			57,908		—
Commercial and business lending		6,372,730		39			5,992,878		38			5,902,135		38			5,982,788		38			5,908,564		38
Commercial real estate — investor		3,001,219		18			2,939,456		18			2,847,152		18			3,010,992		19			2,900,167		18
Real estate construction		969,617		6			896,248		6			834,744		5			800,569		5			729,145		5
Commercial real estate lending		3,970,836		24			3,835,704		24			3,681,896		23			3,811,561		24			3,629,312		23
Total commercial		10,343,566		63			9,828,582		62			9,584,031		61			9,794,349		62			9,537,876		61
Home equity revolving lines of credit		856,679		5			874,840		5			875,703		6			888,162		6			904,187		6
Home equity loans first liens		705,835		4			742,120		5			794,912		5			863,779		5			940,017		6
Home equity loans junior liens		199,488		1			208,054		1			220,763		1			234,292		2			254,203		2
Home equity		1,762,002		10			1,825,014		11			1,891,378		12			1,986,233		13			2,098,407		14
Installment		393,321		3			407,074		3			420,268		3			434,029		3			447,445		3
Residential mortgage		3,942,555		24			3,835,591		24			3,690,177		24			3,531,988		22			3,467,834		22
Total consumer		6,097,878		37			6,067,679		38			6,001,823		39			5,952,250		38			6,013,686		39
Total loans	$	16,441,444		100	%	$	15,896,261		100	%	$	15,585,854		100	%	$	15,746,599		100	%	$	15,551,562		100	%
Farmland	$	8,286		—	%	$	8,591		—	%	$	14,278		1	%	$	14,867		1	%	$	15,761		1	%
Multi-family		965,568		32			951,348		33			896,819		31			965,373		32			905,268		31
Non-owner occupied		2,027,365		68			1,979,517		67			1,936,055		68			2,030,752		67			1,979,138		68
Commercial real estate — investor	$	3,001,219		100	%	$	2,939,456		100	%	$	2,847,152		100	%	$	3,010,992		100	%	$	2,900,167		100	%
1-4 family construction	$	273,470		28	%	$	259,031		29	%	$	248,294		30	%	$	238,336		30	%	$	209,290		29	%
All other construction		696,147		72			637,217		71			586,450		70			562,233		70			519,855		71
Real estate construction	$	969,617		100	%	$	896,248		100	%	$	834,744		100	%	$	800,569		100	%	$	729,145		100	%

Credit Risk

Total loans were $16.4 billion at March 31, 2014, an increase of $545 million or 3% from December 31, 2013. Commercial and business loans were $6.3 billion, up $380 million (6%) from December 31, 2013, to represent 39% of total loans at March 31, 2014. Commercial real estate totaled $4.0 billion at March 31, 2014 and represented 24% of total loans, an increase of $135 million (4%) from December 31, 2013. Consumer loans were $6.1 billion, up $30 million (1%) from December 31, 2013, and represented 37% of total loans at March 31, 2014.

The Corporation has long-term guidelines relative to the proportion of Commercial and Business, Commercial Real Estate, and Consumer loans within the overall loan portfolio, with each targeted to represent 30-40% of the overall loan portfolio. The targeted long-term guidelines were unchanged during 2013 and the first three months of 2014. Furthermore, certain sub-asset classes within the respective portfolios were further defined and dollar limitations were placed on these sub-portfolios. These guidelines and limits are reviewed quarterly and approved annually by the Enterprise Risk Committee of the Corporation’s Board of Directors. These guidelines and limits are designed to create balance and diversification within the loan portfolios.

The commercial and business lending portfolio, which consists of commercial and business loans and owner occupied commercial real estate loans, was $6.3 billion at March 31, 2014, up $380 million (6%) since year-end 2013. The commercial and business lending classification primarily includes commercial loans to large corporations, middle market companies and small businesses. At March 31, 2014, the largest industry groups within the commercial and business loan category included the manufacturing sector which represented 9% of total loans and 23% of the total commercial and business loan portfolio. The next largest industry group within the commercial and business loan category was the wholesale trade sector, which represented 5% of total loans and 12% of the total commercial and business loan portfolio at March 31, 2014. The remaining portfolio is spread over a diverse range of industries, none of which exceeds 5% of total loans. The credit risk related to commercial loans is largely influenced by general economic conditions and the resulting impact on a borrower’s operations or on the value of underlying collateral, if any.

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The commercial real estate lending portfolio, which consists of investor commercial real estate and construction loans, totaled $4.0 billion at March 31, 2014, up $135 million (4%) from December 31, 2013. Within the commercial real estate lending portfolio, commercial real estate lending to investors totaled $3.0 billion at March 31, 2014, an increase of $62 million (2%) from December 31, 2013. Commercial real estate primarily includes commercial-based loans to investors that are secured by commercial income properties or multi-family projects. Commercial real estate loans are typically intermediate to long-term financings. Loans of this type are mainly secured by commercial income properties or multi-family projects. Credit risk is managed in a similar manner to commercial and business loans by employing sound underwriting guidelines, lending primarily to borrowers in local markets and businesses, periodically evaluating the underlying collateral, and formally reviewing the borrower’s financial soundness and relationship on an ongoing basis. Real estate construction loans were $970 million, an increase of $73 million (8%) compared to December 31, 2013. Loans in this classification are primarily short-term or interim loans that provide financing for the acquisition or development of commercial income properties, multi-family projects or residential development, both single family and condominium. Real estate construction loans are made to developers and project managers who are generally well known to the Corporation, and have prior successful project experience. The credit risk associated with real estate construction loans is generally confined to specific geographic areas but is also influenced by general economic conditions. The Corporation controls the credit risk on these types of loans by making loans in familiar markets to developers, reviewing the merits of individual projects, controlling loan structure, and monitoring project progress and construction advances.

The Corporation’s current lending standards for commercial real estate and real estate construction lending are determined by property type and specifically address many criteria, including: maximum loan amounts, maximum loan-to-value (“LTV”), requirements for pre-leasing and / or presales, minimum borrower equity, and maximum loan to cost. Currently, the maximum standard for LTV is 80%, with lower limits established for certain higher risk types, such as raw land which has a 50% LTV maximum. The Corporation’s LTV guidelines are in compliance with regulatory supervisory limits. In most cases, for real estate construction loans, the loan amounts include interest reserves, which are built into the loans and sized to fund loan payments through construction and lease up and / or sell out.

Consumer loans totaled $6.1 billion at March 31, 2014, up $30 million (1%) compared to December 31, 2013. Loans in this classification include residential mortgage, home equity and installment loans. Residential mortgage loans totaled $3.9 billion at March 31, 2014, up $107 million (3%) from December 31, 2013. Residential mortgage loans include conventional first lien home mortgages and the Corporation generally limits the maximum loan to 80% of collateral value without credit enhancement (e.g. private mortgage insurance). As part of management’s historical practice of originating and servicing residential mortgage loans, generally the Corporation’s 30-year, fixed-rate residential real estate mortgage loans are sold in the secondary market with servicing rights retained. The Corporation also retains a portion of its 15-year and under, fixed-rate residential real estate mortgages in its loan portfolio. At March 31, 2014, the residential mortgage portfolio was comprised of $1.4 billion of fixed-rate residential real estate mortgages and $2.5 billion of adjustable-rate residential real estate mortgages.

The Corporation’s underwriting and risk-based pricing guidelines for residential mortgage loans include minimum borrower FICO and maximum LTV of the property securing the loan. Residential mortgage products generally are underwritten using FHLMC and FNMA secondary marketing guidelines.

Home equity totaled $1.8 billion at March 31, 2014, down $63 million (4%) compared to December 31, 2013, and consists of home equity lines, as well as home equity loans, approximately half of which are first lien positions. Home equity balances declined as customers continued to deleverage and refinance into lower-priced, first lien residential mortgage loans. Loans and lines in a junior position at March 31, 2014 included approximately 35% for which the Corporation also owned or serviced the related first lien loan and approximately 65% where the Corporation did not service the related first lien loan.

The Corporation’s credit risk monitoring guidelines for home equity is based on an ongoing review of loan delinquency status, as well as a semi-annual review of FICO score deterioration and property devaluation. The Corporation does not routinely obtain appraisals on performing loans to update LTV ratios after origination; however, the Corporation monitors the local housing markets by reviewing the various home price indices and incorporates the impact of the changing market conditions in its ongoing credit monitoring process. For second lien home equity loans, the Corporation is unable to track the performance of the first lien loan if it does not own or service the first lien loan. However, the Corporation obtains a refreshed FICO score on a semi-annual basis and monitors this as part of its assessment of the home equity portfolio.

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The Corporation’s underwriting and risk-based pricing guidelines for home equity lines and loans consist of a combination of both borrower FICO and the original LTV of the property securing the loan. Currently, for home equity products, the maximum acceptable LTV is 90% for customers with FICO scores exceeding 700. Home equity loans generally have a 20 year term and are fixed rate with principal and interest payments required. As of March 31, 2014, approximately 40% of the home equity loan first liens have a remaining maturity of more than 10 years. Home equity lines are variable rate, interest only lines of credit which do not require the payment of principal during the initial revolving period, after which principal payments are required. Based upon outstanding balances at March 31, 2014, the following table presents the periods when home equity lines of credit revolving periods are scheduled to end.

Home Equity Lines of Credit — Revolving Period End Dates	$ in Thousands		% to Total
Less than 1 year	$	4,221		<1	%
1 — 3 years		4,057		<1	%
3 — 5 years		5,926		1	%
5 — 10 years		136,511		16	%
Over 10 years		705,964		82	%
Total home equity revolving lines of credit	$	856,679		100	%

Installment loans totaled $393 million at March 31, 2014 down $14 million (3%) compared to December 31, 2013, and consist of student loans, as well as short-term and other personal installment loans. The Corporation had $319 million and $330 million of student loans at March 31, 2014 and December 31, 2013, respectively, the majority of which are government guaranteed. Credit risk for non-government guaranteed student, short-term and personal installment loans is generally influenced by general economic conditions, the characteristics of individual borrowers, and the nature of the loan collateral. Risks of loss are generally on smaller average balances per loan spread over many borrowers. Once charged off, there is usually less opportunity for recovery on these smaller retail loans. Credit risk is primarily controlled by reviewing the creditworthiness of the borrowers, monitoring payment histories, and taking appropriate collateral and guaranty positions.

Factors that are important to managing overall credit quality are sound loan underwriting and administration, systematic monitoring of existing loans and commitments, effective loan review on an ongoing basis, early identification of potential problems, and appropriate allowance for credit losses, nonaccrual and charge off policies.

An active credit risk management process is used for commercial loans to further ensure that sound and consistent credit decisions are made. Credit risk is controlled by detailed underwriting procedures, comprehensive loan administration, and periodic review of borrowers’ outstanding loans and commitments. Borrower relationships are formally reviewed and graded on an ongoing basis for early identification of potential problems. Further analyses by customer, industry, and geographic location are performed to monitor trends, financial performance, and concentrations.

The loan portfolio is widely diversified by types of borrowers, industry groups, and market areas within our core footprint. Significant loan concentrations are considered to exist when there are amounts loaned to numerous borrowers engaged in similar activities that would cause them to be similarly impacted by economic or other conditions. At March 31, 2014, no significant concentrations existed in the Corporation’s portfolio in excess of 10% of total loans.

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TABLE 6

Period End Deposit and Customer Funding Composition

($ in Thousands)

	March 31, 2014					December 31, 2013					September 30, 2013					June 30, 2013					March 31, 2013
	Amount		% of Total			Amount		% of Total			Amount		% of Total			Amount		% of Total			Amount		% of Total
Noninterest-bearing demand	$	4,478,981		26	%	$	4,626,312		27	%	$	4,453,663		24	%	$	4,259,776		25	%	$	4,453,109		26	%
Savings		1,252,669		7			1,159,512		7			1,195,944		7			1,211,567		7			1,197,134		7
Interest-bearing demand		3,084,457		18			2,889,705		17			2,735,529		15			2,802,277		17			2,966,934		17
Money market		7,069,173		40			6,906,442		40			8,199,281		45			7,040,317		41			6,836,678		39
Brokered CDs		51,235		—			50,450		—			56,024		—			59,206		—			49,919		—
Other time		1,573,412		9			1,634,746		9			1,697,467		9			1,759,293		10			1,917,520		11
Total deposits	$	17,509,927		100	%	$	17,267,167		100	%	$	18,337,908		100	%	$	17,132,436		100	%	$	17,421,294		100	%
Customer repo sweeps		548,179					419,247					515,555					489,700					617,038
Customer repo term		—					—					—					—					4,882
Total customer funding		548,179					419,247					515,555					489,700					621,920
Total deposits and customer funding	$	18,058,106				$	17,686,414				$	18,853,463				$	17,622,136				$	18,043,214
Network transaction deposits included above in interest-bearing demand and money market	$	2,141,976				$	1,936,403				$	2,222,810				$	2,135,306				$	2,054,714
Total network transaction deposits and Brokered CDs		2,193,211					1,986,853					2,278,834					2,194,512					2,104,633
Total deposits and customer funding, excluding Brokered CDs and network transaction deposits	$	15,864,895				$	15,699,561				$	16,574,629				$	15,427,624				$	15,938,581

Allowance for Credit Losses

Credit risks within the loan portfolio are inherently different for each loan type. Credit risk is controlled and monitored through the use of lending standards, a thorough review of potential borrowers, and ongoing review of loan payment performance. Active asset quality administration, including early problem loan identification and timely resolution of problems, aids in the management of credit risk and minimization of loan losses. Credit risk management for each loan type is discussed briefly in the section entitled “Credit Risk.”

The allowance for credit losses is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the allowance for loan losses represents management’s estimate of an amount appropriate to provide for probable credit losses in the loan portfolio at the balance sheet date. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb estimated probable losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit) and is included in accrued expenses and other liabilities on the consolidated balance sheets.

The level of the allowance for credit losses represents management’s estimate of an amount appropriate to provide for probable credit losses in the loan portfolio at the balance sheet date. In general, the change in the allowance for credit losses is a function of a number of factors, including but not limited to changes in the loan portfolio (see Table 5), net charge offs (see Table 7) and nonperforming assets (see Table 8). The Corporation’s process, designed to assess the appropriateness of the allowance for credit losses, focuses on an evaluation of facts and issues related to specific loans, management’s ongoing review and grading of the loan portfolio, consideration of historical loan loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the level of potential problem loans, the risk characteristics of the various classifications of loans, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect potential credit losses. While management uses currently available information to recognize losses on loans, future adjustments to the allowance for credit losses may be necessary based on newly received appraisals, updated commercial customer financial statements, rapidly deteriorating customer cash flow, and changes in economic conditions that affect our customers. Management considers the allowance for credit losses a critical accounting policy (see section “Critical Accounting Policies”), as assessing these numerous factors involves significant judgment.

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The methodology used for the allowance for loan losses at March 31, 2014 and December 31, 2013 was generally comparable, whereby the Corporation segregated its loss factors (used for both criticized and non-criticized loan categories) into a component primarily based on historical loss rates and a component primarily based on other qualitative factors that may affect loan collectability. Management allocates the allowance for loan losses by pools of risk within each loan portfolio. The allocation methodology consists of the following components: First, a valuation allowance estimate is established for specifically identified commercial and consumer loans determined by the Corporation to be impaired, using discounted cash flows, estimated fair value of underlying collateral, and / or other data available. Second, management allocates the allowance for loan losses with loss factors, for criticized loan pools by loan type as well as for non-criticized loan pools by loan type, primarily based on historical loss rates after considering loan type, historical loss and delinquency experience, and industry statistics. Loans that have been criticized are considered to have a higher risk of default than non-criticized loans, as circumstances were present to support the lower loan grade, warranting higher loss factors. The loss factors applied in the methodology are periodically re-evaluated and adjusted to reflect changes in historical loss levels or other risks. Lastly, management allocates the allowance for loan losses to absorb unrecognized losses that may not be provided for by the other components due to other factors evaluated by management, such as limitations within the credit risk grading process, known current economic or business conditions that may not yet show in trends, industry or other concentrations with current issues that impose higher inherent risks than are reflected in the loss factors, and other relevant considerations. Because each of the criteria used is subject to change, the allocation of the allowance for loan losses is made for analytical purposes and is not necessarily indicative of the trend of future loan losses in any particular category. The total allowance for loan losses is available to absorb losses from any segment of the loan portfolio.

The methodology used for the allowance for unfunded commitments at March 31, 2014 and December 31, 2013 was also generally comparable. Management evaluated the unfunded credit facilities, including an assessment of historical commitment utilization experience and credit risk grading of the loan.

At March 31, 2014, the allowance for credit losses was $290 million compared to $308 million at March 31, 2013, and relatively unchanged from $290 million at December 31, 2013. At March 31, 2014, the allowance for loan losses to total loans was 1.63% and covered 151% of nonaccrual loans, compared to 1.84% and 127%, respectively, at March 31, 2013, and 1.69% and 145%, respectively, at December 31, 2013. The ratio of net charge offs to average loans on an annualized basis was 0.14%, 0.38%, and 0.25% for the three months ended March 31, 2014, and 2013, and the full year 2013, respectively. Tables 7 and 8 provide additional information regarding activity in the allowance for loan losses, impaired loans, and nonperforming assets. See Note 6, “Loans, Allowance for Credit Losses, and Credit Quality,” of the notes to consolidated financial statements for additional allowance for loan losses disclosures.

Management believes the level of allowance for credit losses to be appropriate at March 31, 2014 and December 31, 2013. For the remainder of 2014, the Corporation expects the provision for credit losses will grow based on expected loan growth.

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TABLE 7

Allowance for Credit Losses

($ in Thousands)

	At and For the Three Months Ended March 31,						At and For the Year Ended December 31,
	2014			2013			2013
Allowance for Loan Losses:
Balance at beginning of period	$	268,315		$	297,409		$	297,409
Provision for loan losses		5,000			4,000			10,000
Charge offs		(11,361	)		(27,128	)		(88,061	)
Recoveries		5,962			12,642			48,967
Net charge offs		(5,399	)		(14,486	)		(39,094	)
Balance at end of period	$	267,916		$	286,923		$	268,315
Allowance for Unfunded Commitments:
Balance at beginning of period	$	21,900		$	21,800		$	21,800
Provision for unfunded commitments		—			(700	)		100
Balance at end of period	$	21,900		$	21,100		$	21,900
Allowance for Credit Losses	$	289,816		$	308,023		$	290,215
Net loan charge offs:			(A)			(A)			(A)
Commercial and industrial	$	2,725	22	$	696	6	$	6,281	14
Commercial real estate — owner occupied		(124)	(5)		1,518	51		6,135	53
Lease financing		—	–		(12	) (8)		(12	) (2)
Commercial and business lending		2,601	17		2,202	16		12,404	21
Commercial real estate—investor		(1,031	) (14)		163	2		2,885	10
Real estate construction		113	5		1,392	82		(2,136	)(27)
Commercial real estate lending		(918	) (10)		1,555	18		749	2
Total commercial		1,683	7		3,757	17		13,153	14
Home equity revolving lines of credit		1,182	55		3,615	159		7,860	88
Home equity loans first liens		406	23		765	32		2,655	31
Home equity loans junior liens		859	171		1,957	303		5,902	250
Home equity		2,447	55		6,337	119		16,417	82
Installment		113	11		177	16		(244	) (6)
Residential mortgage		1,156	12		4,215	47		9,768	26
Total consumer		3,716	25		10,729	70		25,941	42
Total net charge offs	$	5,399	14	$	14,486	38	$	39,094	25
CRE & Construction Net Charge Off Detail:			(A)			(A)			(A)
Farmland	$	—	-	$	398	N/M	$	366	252
Multi-family		(49	) (2)		(533	) (24)		499	5
Non-owner occupied		(982	) (20)		298	6		2,020	10
Commercial real estate — investor	$	(1,031	) (14)	$	163	2	$	2,885	10
1-4 family construction	$	(121	) (18)	$	141	29	$	(3,796	) (163)
All other construction		234	15		1,251	103		1,660	30
Real estate construction	$	113	5	$	1,392	82	$	(2,136	) (27)
(A) — Annualized ratio of net charge offs to average loans by loan type in basis points.
N/M — Not meaningful.
Ratios:
Allowance for loan losses to total loans		1.63	%		1.84	%		1.69	%
Allowance for loan losses to net charge offs (annualized)		12.2x			4.9x			6.9x

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TABLE 7 (continued)

Allowance for Credit Losses

($ in Thousands)

Quarterly Trends:	March 31, 2014			December 31, 2013			September 30, 2013			June 30, 2013			March 31, 2013
Allowance for Loan Losses:
Balance at beginning of period	$	268,315		$	271,724		$	277,218		$	286,923		$	297,409
Provision for loan losses		5,000			2,000			—			4,000			4,000
Charge offs		(11,361	)		(18,742	)		(20,288	)		(21,904	)		(27,128	)
Recoveries		5,962			13,333			14,794			8,199			12,642
Net charge offs		(5,399	)		(5,409	)		(5,494	)		(13,705	)		(14,486	)
Balance at end of period	$	267,916		$	268,315		$	271,724		$	277,218		$	286,923
Allowance for Unfunded Commitments:
Balance at beginning of period	$	21,900		$	21,600		$	22,400		$	21,100		$	21,800
Provision for unfunded commitments		—			300			(800	)		1,300			(700	)
Balance at end of period	$	21,900		$	21,900		$	21,600		$	22,400		$	21,100
Allowance for credit losses	$	289,816		$	290,215		$	293,324		$	299,618		$	308,023
Net loan charge offs:			(A)			(A)			(A)			(A)			(A)
Commercial and industrial	$	2,725	22	$	4,555	38	$	(447	) (4)	$	1,477	13	$	696	6
Commercial real estate — owner occupied		(124	) (5)		967	34		2,076	72		1,574	54		1,518	51
Lease financing		—	—		(16	) (12)		—	—		16	12		(12	) (8)
Commercial and business lending		2,601	17		5,506	37		1,629	11		3,067	21		2,202	16
Commercial real estate — investor		(1,031	) (14)		137	2		(414	) (6)		2,999	41		163	2
Real estate construction		113	5		(3,130	) (145)		(303	) (15)		(95	) (5)		1,392	82
Commercial real estate lending		(918	) (10)		(2,993	) (32)		(717	) (8)		2,904	31		1,555	18
Total commercial		1,683	7		2,513	10		912	4		5,971	25		3,757	17
Home equity revolving lines of credit		1,182	55		966	44		767	34		2,512	112		3,615	159
Home equity loans first liens		406	23		372	19		564	27		954	42		765	32
Home equity loans junior liens		859	171		1,111	205		800	140		2,034	336		1,957	303
Home equity		2,447	55		2,449	52		2,131	44		5,500	108		6,337	119
Installment		113	11		(611	) (59)		124	11		66	6		177	16
Residential mortgage		1,156	12		1,058	11		2,327	25		2,168	24		4,215	47
Total consumer		3,716	25		2,896	19		4,582	30		7,734	50		10,729	70
Total net charge offs	$	5,399	14	$	5,409	14	$	5,494	14	$	13,705	35	$	14,486	38
CRE & Construction Net Charge Off Detail:			(A)			(A)			(A)			(A)			(A)
Farmland	$	—	—		—	—		—	—		(32	) (84)		398	N/M
Multi-family		(49	) (2)		(37	) (2)		127	5		942	40		(533	) (24)
Non-owner occupied		(982	) (20)		174	4		(541	) (11)		2,089	42		298	6
Commercial real estate — investor	$	(1,031	) (14)		137	2		(414	) (6)		2,999	41		163	2
1-4 family construction	$	(121	) (18)		(2,684	) (413)		(904	) (143)		(349	) (62)		141	29
All other construction		234	15		(446	) (29)		601	41		254	19		1,251	103
Real estate construction	$	113	5		(3,130	) (145)		(303	) (15)		(95	) (5)		1,392	82

(A) – Annualized ratio of net charge offs to average loans by loan type in basis points.

N/M – Not meaningful.

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TABLE 8

Nonperforming Assets

($ in Thousands)

	March 31, 2014			December 31, 2013			September 30, 2013			June 30, 2013			March 31, 2013
Nonperforming assets by type:
Commercial and industrial	$	38,488		$	37,719		$	36,105		$	30,302		$	33,242
Commercial real estate — owner occupied		26,735			29,664			28,301			24,003			23,199
Lease financing		172			69			99			72			2,165
Commercial and business lending		65,395			67,452			64,505			54,377			58,606
Commercial real estate — investor		33,611			37,596			49,841			60,780			56,776
Real estate construction		6,667			6,467			18,670			21,419			22,166
Commercial real estate lending		40,278			44,063			68,511			82,199			78,942
Total commercial		105,673			111,515			133,016			136,576			137,548
Home equity revolving lines of credit		10,356			11,883			11,991			12,940			15,914
Home equity loans first liens		5,341			6,135			6,131			7,898			8,626
Home equity loans junior liens		6,788			7,149			7,321			7,296			9,405
Home equity		22,485			25,167			25,443			28,134			33,945
Installment		915			1,114			1,269			1,533			1,762
Residential mortgage		48,905			47,632			47,866			51,250			52,181
Total consumer		72,305			73,913			74,578			80,917			87,888
Total nonaccrual loans (“NALs”)		177,978			185,428			207,594			217,493			225,436
Commercial real estate owned		8,224			8,359			10,003			11,696			15,142
Residential real estate owned		6,313			5,217			8,975			9,087			12,078
Bank properties real estate owned		4,636			4,542			6,099			6,624			7,936
Other real estate owned (“OREO”)		19,173			18,118			25,077			27,407			35,156
Total nonperforming assets (“NPAs”)	$	197,151		$	203,546		$	232,671		$	244,900		$	260,592
Commercial real estate & Real estate construction NALs Detail:
Farmland	$	—		$	—		$	109		$	70		$	—
Multi-family		3,713			3,782			5,260			6,726			8,306
Non-owner occupied		29,898			33,814			44,472			53,984			48,470
Commercial real estate — investor	$	33,611		$	37,596		$	49,841		$	60,780		$	56,776
1-4 family construction	$	1,900		$	1,915		$	12,654		$	14,222		$	14,538
All other construction		4,767			4,552			6,016			7,197			7,628
Real estate construction	$	6,667		$	6,467		$	18,670		$	21,419		$	22,166
Accruing loans past due 90 days or more:
Commercial	$	16		$	1,199		$	1,198		$	770		$	4,595
Consumer		707			1,151			865			778			1,095
Total accruing loans past due 90 days or more	$	723		$	2,350		$	2,063		$	1,548		$	5,690
Restructured loans (accruing):
Commercial	$	88,329		$	94,265		$	86,468		$	87,970		$	88,932
Consumer		28,595			29,720			30,575			31,096			31,161
Total restructured loans (accruing)	$	116,924		$	123,985		$	117,043		$	119,066		$	120,093
Nonaccrual restructured loans (included in nonaccrual loans)	$	74,231		$	59,585		$	69,311		$	70,354		$	67,811
Ratios:
Nonaccrual loans to total loans		1.08	%		1.17	%		1.33	%		1.38	%		1.45	%
NPAs to total loans plus OREO		1.20	%		1.28	%		1.49	%		1.55	%		1.67	%
NPAs to total assets		0.79	%		0.84	%		0.98	%		1.04	%		1.12	%
Allowance for loan losses to NALs		150.53	%		144.70	%		130.89	%		127.46	%		127.27	%
Allowance for loan losses to total loans		1.63	%		1.69	%		1.74	%		1.76	%		1.84	%

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TABLE 8 (continued)

Nonperforming Assets

($ in Thousands)

	March 31, 2014		December 31, 2013		September 30, 2013		June 30, 2013		March 31, 2013
Loans 30-89 days past due by type:
Commercial and industrial	$	4,126	$	6,826	$	6,518	$	8,516	$	10,263
Commercial real estate — owner occupied		5,342		3,106		8,505		8,105		6,804
Lease financing		567		—		1,000		57		283
Commercial and business lending		10,035		9,932		16,023		16,678		17,350
Commercial real estate — investor		7,188		23,215		21,747		18,269		25,201
Real estate construction		679		1,954		820		797		2,287
Commercial real estate lending		7,867		25,169		22,567		19,066		27,488
Total commercial		17,902		35,101		38,590		35,744		44,838
Home equity revolving lines of credit		5,344		6,728		6,318		7,739		1,832
Home equity loans first liens		1,469		1,110		1,376		1,857		1,869
Home equity loans junior liens		3,006		2,842		2,206		2,709		2,848
Home equity		9,819		10,680		9,900		12,305		6,549
Installment		1,269		1,150		1,170		1,434		2,500
Residential mortgage		4,498		6,118		6,722		9,920		8,793
Total consumer		15,586		17,948		17,792		23,659		17,842
Total loans past due 30-89 days	$	33,488	$	53,049	$	56,382	$	59,403	$	62,680
Commercial real estate & Real estate construction loans 30-89 days past due detail:
Farmland	$	—	$	—	$	—	$	455	$	172
Multi-family		2,524		14,755		216		14,533		15,612
Non-owner occupied		4,664		8,460		21,531		3,281		9,417
Commercial real estate — investor	$	7,188	$	23,215	$	21,747	$	18,269	$	25,201
1-4 family construction	$	327	$	987	$	579	$	449	$	1,088
All other construction		352		967		241		348		1,199
Real estate construction	$	679	$	1,954	$	820	$	797	$	2,287
Potential problem loans by type:
Commercial and industrial	$	109,027	$	113,669	$	112,947	$	127,382	$	127,367
Commercial real estate — owner occupied		64,785		56,789		61,256		75,074		93,098
Lease financing		3,065		1,784		207		279		251
Commercial and business lending		176,877		172,242		174,410		202,735		220,716
Commercial real estate — investor		34,790		52,429		87,526		89,342		101,775
Real estate construction		4,870		5,263		7,540		9,184		10,040
Commercial real estate lending		39,660		57,692		95,066		98,526		111,815
Total commercial		216,537		229,934		269,476		301,261		332,531
Home equity revolving lines of credit		310		303		170		308		450
Home equity loans first liens		—		—		—		—		—
Home equity loans junior liens		741		1,810		2,067		2,307		2,871
Home equity		1,051		2,113		2,237		2,615		3,321
Installment		—		50		67		83		99
Residential mortgage		2,091		3,312		5,342		5,917		7,882
Total consumer		3,142		5,475		7,646		8,615		11,302
Total potential problem loans	$	219,679	$	235,409	$	277,122	$	309,876	$	343,833

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Nonaccrual Loans, Potential Problem Loans, and Other Real Estate Owned

Management is committed to a proactive nonaccrual and problem loan identification philosophy. This philosophy is implemented through the ongoing monitoring and review of all pools of risk in the loan portfolio to ensure that problem loans are identified quickly and the risk of loss is minimized. Table 8 provides detailed information regarding nonperforming assets, which include nonaccrual loans and other real estate owned.

Nonaccrual Loans: Nonaccrual loans are considered one indicator of potential future loan losses. Loans are generally placed on nonaccrual status when contractually past due 90 days or more as to interest or principal payments, unless the loan is well secured and in the process of collection. Additionally, whenever management becomes aware of facts or circumstances that may adversely impact the collectability of principal or interest on loans, it is management’s practice to place such loans on nonaccrual status immediately, rather than delaying such action until the loans become 90 days past due. When a loan is placed on nonaccrual status, previously accrued and uncollected interest is reversed, amortization of related deferred loan fees or costs is suspended, and income is recorded only to the extent that interest payments are subsequently received in cash and a determination has been made that the principal and interest balance of the loan is collectible. If collectability of the principal and interest is in doubt, payments received are applied to loan principal.

Nonaccrual loans were $178 million at March 31, 2014, compared to $225 million at March 31, 2013 and $185 million at December 31, 2013. Total nonaccrual loans were down $47 million (21%) since March 31, 2013, and decreased $7 million (4%) from December 31, 2013. The ratio of nonaccrual loans to total loans was 1.08% at March 31, 2014, compared to 1.45% at March 31, 2013 and 1.17% at December 31, 2013. The Corporation’s allowance for loan losses to nonaccrual loans was 151% at March 31, 2014, up from 127% at March 31, 2013 and 145% at December 31, 2013, respectively.

Accruing Loans Past Due 90 Days or More: Loans past due 90 days or more but still accruing interest are classified as such where the underlying loans are both well secured (the collateral value is sufficient to cover principal and accrued interest) and are in the process of collection. At March 31, 2014, accruing loans 90 days or more past due totaled $1 million down from $6 million at March 31, 2013 and $2 million at December 31, 2013.

Troubled Debt Restructurings (“Restructured Loans”): Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. The concessions granted generally involve the modification of terms of the loan, such as changes in payment structure or interest rate, which generally would not otherwise be considered. Restructured loans can involve loans remaining on nonaccrual, moving to nonaccrual, or continuing on accrual status, depending on the individual facts and circumstances of the borrower. Nonaccrual restructured loans are included and treated with all other nonaccrual loans. In addition, all accruing restructured loans are reported as troubled debt restructurings, which are considered and accounted for as impaired loans. Generally, restructured loans remain on nonaccrual until the customer has attained a sustained period of repayment performance under the modified loan terms (generally a minimum of six months). However, performance prior to the restructuring, or significant events that coincide with the restructuring, are considered in assessing whether the borrower can meet the new terms and whether the loan should be returned to or maintained on accrual status. If the borrower’s ability to meet the revised payment schedule is not reasonably assured, the loan remains on nonaccrual status.

Potential Problem Loans: The level of potential problem loans is another predominant factor in determining the relative level of risk in the loan portfolio and in determining the appropriate level of the allowance for credit losses. Potential problem loans are generally defined by management to include loans rated as substandard by management but that are not considered impaired (i.e., nonaccrual loans and accruing troubled debt restructurings); however, there are circumstances present to create doubt as to the ability of the borrower to comply with present repayment terms. The decision of management to include performing loans in potential problem loans does not necessarily mean that the Corporation expects losses to occur, but that management recognizes a higher degree of risk associated with these loans. The loans that have been reported as potential problem loans are predominantly commercial loans covering a diverse range of businesses and real estate property types. At March 31, 2014, potential problem loans totaled $220 million, compared to $344 million at March 31, 2013 and $235 million at December 31, 2013, respectively.

Other Real Estate Owned: Other real estate owned was $19 million at March 31, 2014, compared to $35 million at March 31, 2013 and $18 million at December 31, 2013, respectively. Write-downs on other real estate owned were relatively unchanged at $1 million for the first three months of 2014 and 2013, and $4 million for the full year 2013. Management actively seeks to ensure properties held are monitored to minimize the Corporation’s risk of loss.

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Liquidity

The objective of liquidity management is to ensure that the Corporation has the ability to generate sufficient cash or cash equivalents in a timely and cost-effective manner to satisfy the cash flow requirements of depositors and borrowers and to meet its other commitments as they fall due, including the ability to pay dividends to shareholders, service debt, invest in subsidiaries or acquisitions, and satisfy other operating requirements. In addition to satisfying cash flow requirements in the ordinary course of business, the Corporation actively monitors and manages its liquidity position to ensure sufficient resources are available to meet cash flow requirements in adverse situations.

The Corporation’s internal liquidity management framework includes measurement of several key elements, such as deposit funding as a percent of total assets and liquid asset levels. Strong capital ratios, credit quality, and core earnings are essential to maintaining cost-effective access to wholesale funding markets. A downgrade or loss in credit ratings could have an impact on the Corporation’s ability to access wholesale funding at favorable interest rates. In addition to static liquidity measures, the Corporation performs dynamic scenario analysis in accordance with industry best practices. Measures have been established to ensure the Corporation has sufficient high quality short-term liquidity to meet cash flow requirements under stressed scenarios. At March 31, 2014, the Corporation was in compliance with its internal liquidity objectives.

While core deposits and loan and investment securities repayments are principal sources of liquidity, funding diversification is another key element of liquidity management. Diversity is achieved by strategically varying depositor type, term, funding market, and instrument. The Parent Company and its subsidiary bank are rated by Moody’s, Standard and Poor’s (“S&P”), and Dominion Bond Rating Service (“DBRS”). Credit ratings by these nationally recognized statistical rating agencies are an important component of the Corporation’s liquidity profile. Credit ratings relate to the Corporation’s ability to issue debt securities and the cost to borrow money, and should not be viewed as an indication of future stock performance or a recommendation to buy, sell, or hold securities. Among other factors, the credit ratings are based on financial strength, credit quality and concentrations in the loan portfolio, the level and volatility of earnings, capital adequacy, the quality of management, the liquidity of the balance sheet, the availability of a significant base of core deposits, and the Corporation’s ability to access a broad array of wholesale funding sources. Adverse changes in these factors could result in a negative change in credit ratings and impact not only the ability to raise funds in the capital markets but also the cost of these funds. Ratings are subject to revision or withdrawal at any time and each rating should be evaluated independently. The senior credit ratings of the Parent Company and its subsidiary bank are displayed below.

	March 31, 2014
	Moody’s	S&P	DBRS
Bank short-term	P2	—	R2H
Bank long-term	A3	BBB+	BBBH
Corporation short-term	P2	—	R2M
Corporation long-term	Baa1	BBB	BBB
Outlook	Stable	Stable	POS

The Corporation also has multiple funding sources that could be used to increase liquidity and provide additional financial flexibility. On April 4, 2014, the Parent Company filed a shelf registration with the SEC. Pending effectiveness, the Parent Company may, from time to time, offer shares of the Corporation’s common stock under the shelf registration statement at the time of our acquisition of businesses, assets or securities of other companies. The Parent Company has filed shelf registration statements, under which the Parent Company may offer securities, either separately or in units: debt securities, preferred stock, depositary shares, common stock, and warrants. The Parent Company also has a $200 million commercial paper program, of which, $84 million was outstanding at March 31, 2014.

While dividends and service fees from subsidiaries and proceeds from issuance of capital are primary funding sources for the Parent Company, these sources could be limited or costly (such as by regulation or subject to the capital needs of its subsidiaries or by market appetite for bank holding company stock). The Parent Company received dividends of $23 million during the first three months of 2014 from subsidiaries.

The Bank has established federal funds lines with counterparty banks and has the ability to borrow from the Federal Home Loan Bank ($2.7 billion of Federal Home Loan Bank advances were outstanding at March 31, 2014). The Bank also has significant excess loan

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and investment securities collateral which could be pledged to secure additional deposits or to counterparty banks, the Federal Home Loan Bank or other parties as necessary. Associated Bank may also issue institutional certificates of deposit, network transaction deposits, and brokered certificates of deposit.

Investment securities are an important tool to the Corporation’s liquidity objective. As of March 31, 2014, the majority of investment securities are classified as available for sale, with a only a portion of municipal securities (less than 25%) classified as held to maturity. Of the $5.5 billion investment securities portfolio at March 31, 2014, a portion of these securities were pledged to secure collateralized deposits and repurchase agreements and for other purposes as required or permitted by law. The majority of the remaining investment securities of $1.9 billion could be pledged or sold to enhance liquidity, if necessary.

For the three months ended March 31, 2014, net cash provided by operating activities and financing activities was $73 million and $536 million, respectively, while net cash used in investing activities was $588 million, for a net increase in cash and cash equivalents of $21 million since year-end 2013. During the first three months of 2014, loans increased $545 million and investment securities increased $46 million. On the funding side, deposits increased $243 million and short-term funding increased $507 million, while long-term funding decreased $155 million.

For the three months ended March 31, 2013, net cash provided by operating activities was $134 million while net cash used in investing and financing activities was $220 million and $224 million, respectively, for a net decrease in cash and cash equivalents of $310 million since year-end 2012. During the first three months of 2013, loans increased $141 million and investment securities increased $38 million. On the funding side, deposits increased $481 million, while short-term funding and long-term funding decreased $558 million and $100 million, respectively.

Quantitative and Qualitative Disclosures about Market Risk

Market risk and interest rate risk are managed centrally. Market risk is the potential for loss arising from adverse changes in the fair value of fixed income securities, equity securities, other earning assets and derivative financial instruments as a result of changes in interest rates or other factors. Interest rate risk is the potential for reduced net interest income resulting from adverse changes in the level of interest rates. As a financial institution that engages in transactions involving an array of financial products, the Corporation is exposed to both market risk and interest rate risk. In addition to market risk, interest rate risk is measured and managed through a number of methods. The Corporation uses financial modeling simulation techniques that measure the sensitivity of future earnings due to changing rate environments to measure interest rate risk.

Policies established by the Corporation’s Asset / Liability Committee (“ALCO”) and approved by the Board of Directors are intended to limit these risks. The Board has delegated day-to-day responsibility for managing market and interest rate risk to ALCO. The primary objectives of market risk management is to minimize any adverse effect that changes in market risk factors may have on net interest income and to offset the risk of price changes for certain assets recorded at fair value.

Interest Rate Risk

In order to measure earnings sensitivity to changing market interest rates, the Corporation uses a simulation model to measure the impact of various interest rate shocks and other yield curve scenarios on earnings and the fair value of the financial assets and liabilities of the Corporation. The Corporation compares earnings between a static balance sheet scenario and balance sheets with projected growth scenarios to quantify the potential impact on such earnings of various balance sheet management and business strategies.

Simulation of earnings: Determining the sensitivity of short-term future earnings is accomplished through the use of simulation modeling. Assumptions involving projected balance sheet growth, market spreads, prepayments of rate-sensitive instruments, and the cash flows from maturing assets and liabilities are incorporated in these simulation analyses. These analyses are designed to project net interest income based on various interest rate scenarios, compared to a baseline scenario. The Corporation runs numerous scenarios including instantaneous and gradual changes to market interest rates as well as yield curve slope changes. It then compares such scenarios to the baseline scenario to quantify its earnings sensitivity.

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The resulting simulations for March 31, 2014, and December 31, 2013 projected that net interest income would increase by approximately 1.3% and 0.4%, respectively, if rates rose instantaneously by a 100 bp shock and projected that net interest income would increase by approximately 2.8% and 0.9%, respectively, if rates rose instantaneously by a 200 bp shock. As of March 31, 2014, the simulations of earnings results were within the limits of the Corporation’s interest rate risk policy.

Market value of equity: The Corporation uses the market value of equity as a measure to quantify market risk from the impact of interest rates. The market value of equity is the fair value of assets, liabilities, and off-balance sheet financial instruments derived from the present value of the future cash flows. While the net interest income simulation model highlights exposures over a short time horizon, the market value of equity incorporates all cash flows over all of the balance sheet and derivative positions.

These results are based on multiple path simulations using an interest rate simulation model calibrated to market traded instruments. Sensitivities are measured assuming several factors including immediate and sustained parallel and non-parallel changes in market rates, yield curves and rate indexes. These factors quantify yield curve risk, basis risk, options risk, repricing mismatch risk, and market spread risk. The results are considered to be conservative estimates due to the fact that no management action to mitigate potential income variances is included within the simulation assumption set. These potentially mitigating factors include future balance sheet growth, changes in yield curve relationships, and changing product spreads. As of March 31, 2014, the projected changes for the market value of equity were within the limits of the Corporation’s interest rate risk policy.

Contractual Obligations, Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related commitments and derivative instruments. A discussion of the Corporation’s derivative instruments at March 31, 2014, is included in Note 10, “Derivative and Hedging Activities,” of the notes to consolidated financial statements. A discussion of the Corporation’s lending-related commitments is included in Note 12, “Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities,” of the notes to consolidated financial statements. See also Note 8, “Short and Long-Term Funding,” of the notes to consolidated financial statements for additional information on the Corporation’s short-term and long-term funding.

Table 9 summarizes significant contractual obligations and other commitments at March 31, 2014, at those amounts contractually due to the recipient, including any premiums or discounts, hedge basis adjustments, or other similar carrying value adjustments.

TABLE 9: Contractual Obligations and Other Commitments

	One Year or Less		One to Three Years		Three to Five Years		Over Five Years		Total
	($ in Thousands)
Time deposits	$	1,103,394	$	324,843	$	185,421	$	10,989	$	1,624,647
Short-term funding		1,247,906		—		—		—		1,247,906
Long-term funding		4		431,752		2,500,062		222		2,932,040
Operating leases		10,699		21,505		17,759		33,206		83,169
Commitments to extend credit		3,679,751		1,522,611		1,000,404		164,365		6,367,131
Total	$	6,041,754	$	2,300,711	$	3,703,646	$	208,782	$	12,254,893

Capital

Stockholders’ equity at March 31, 2014 was $2.9 billion, up slightly ($10 million) from December 31, 2013. At March 31, 2014, stockholders’ equity included $12 million of accumulated other comprehensive loss compared to $24 million of accumulated other comprehensive loss at December 31, 2013. Cash dividends of $0.09 per share were paid in the first quarter of 2014 and $0.08 per share were paid in the first quarter of 2013. The ratio of total stockholders’ equity to assets was 11.69% and 11.93% at March 31, 2014 and December 31, 2013, respectively.

On July 23, 2013, the Board of Directors authorized the Corporation to repurchase up to an aggregate amount of $120 million of common stock, of which, $56 million remained available to repurchase as of March 31, 2014. On March 18, 2014, the Board of Directors also authorized the repurchase of up to an additional $120 million of common stock, which is in addition to the $56 million remaining under the July 2013 common stock repurchase authorization. During the first quarter of 2014, 2.3 million shares were repurchased for $39 million (or an average cost per common share of $17.20), while during the full year 2013, 7.7 million shares were repurchased for $120 million (or an average cost per common share of $15.57). The Corporation also repurchased shares for minimum tax withholding settlements on equity compensation totaling approximately $3 million (182,331 shares at an average cost per common

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share of $17.05) during the first quarter of 2014, relatively unchanged from the minimum tax withholding settlements on equity compensation totaling approximately $3 million (239,215 shares at an average cost per common share of $14.00) for the full year 2013. See Part II, Item 2, “Unregistered Sales of Equity Securities and Use of Proceeds,” for additional information on the shares repurchased during the first quarter of 2014. The repurchase of shares will be based on market and investment opportunities, capital levels, growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

Management actively reviews capital strategies for the Corporation and each of its subsidiaries in light of perceived business risks, future growth opportunities, industry standards, and compliance with regulatory requirements. The assessment of overall capital adequacy depends on a variety of factors, including asset quality, liquidity, stability of earnings, changing competitive forces, economic condition in markets served, and strength of management. The capital ratios of the Corporation and its banking affiliate were in excess of regulatory minimum requirements. The Corporation’s capital ratios are summarized in Table 10.

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TABLE 10

Capital Ratios

(In Thousands, except per share data)

	Quarter Ended
	March 31, 2014			December 31, 2013			September 30, 2013			June 30, 2013			March 31, 2013
Total stockholders’ equity	$	2,901,024		$	2,891,290		$	2,872,282		$	2,876,976		$	2,936,265
Tangible stockholders’ equity (1)		1,961,663			1,950,938			1,930,919			1,934,603			1,992,881
Tier 1 capital (2)		1,973,240			1,975,182			1,966,797			1,957,146			1,944,682
Tier 1 common equity (3)		1,912,083			1,913,320			1,904,060			1,893,875			1,881,410
Tangible common equity (1)		1,900,505			1,889,076			1,868,182			1,871,331			1,929,609
Total risk-based capital (2)		2,187,637			2,184,884			2,198,219			2,190,127			2,173,859
Tangible assets (1)		23,866,836			23,286,568			22,747,312			22,674,571			22,334,384
Risk weighted assets (2)		17,075,004			16,694,148			16,358,823			16,479,374			16,162,689
Market capitalization		2,907,877			2,829,640			2,545,053			2,578,765			2,546,953
Book value per common share	$	17.64		$	17.40		$	17.10		$	16.97		$	17.13
Tangible book value per common share		11.80			11.62			11.37			11.28			11.51
Cash dividend per common share		0.09			0.09			0.08			0.08			0.08
Stock price at end of period		18.06			17.40			15.49			15.55			15.19
Low closing price for the period		15.58			15.34			15.29			13.81			13.46
High closing price for the period		18.35			17.56			17.60			15.69			15.30
Total stockholders’ equity / assets		11.69	%		11.93	%		12.13	%		12.18	%		12.61	%
Tangible common equity / tangible assets (1)		7.96			8.11			8.21			8.25			8.64
Tangible stockholders’ equity / tangible assets (1)		8.22			8.38			8.49			8.53			8.92
Tier 1 common equity / risk-weighted assets (3)		11.20			11.46			11.64			11.49			11.64
Tier 1 leverage ratio (2)		8.46			8.70			8.76			8.73			8.78
Tier 1 risk-based capital ratio (2)		11.56			11.83			12.02			11.88			12.03
Total risk-based capital ratio (2)		12.81			13.09			13.44			13.29			13.45
Common shares outstanding (period end)		161,012			162,623			164,303			165,837			167,673
Basic common shares outstanding (average)		161,467			162,611			164,954			166,605			168,234
Diluted common shares outstanding (average)		162,188			163,235			165,443			166,748			168,404

(1) Tangible stockholders’ equity, tangible common equity, and tangible assets are non-GAAP financial measures. Additionally, any ratios utilizing these financial measures are non-GAAP measures. These financial measures have been included as they are considered to be critical metrics with which to analyze and evaluate financial condition and capital strength. Tangible stockholders’ equity is defined as stockholders’ equity excluding goodwill and other intangible assets. Tangible common equity is defined as common stockholders’ equity excluding goodwill and other intangible assets. Tangible assets is defined as total assets excluding goodwill and other intangible assets.

(2) The FRB establishes capital adequacy requirements, including well-capitalized standards for the Corporation. The OCC establishes similar capital adequacy requirements and standards for the Bank. Regulatory capital primarily consists of Tier 1 risk-based capital and Tier 2 risk-based capital. The sum of Tier 1 risk-based capital and Tier 2 risk-based capital equals our total risk-based capital. Risk-based capital guidelines require a minimum level of capital as a percentage of risk-weighted assets. Risk-weighted assets consist of total assets plus certain off-balance sheet and market items, subject to adjustment for predefined credit risk factors.

(3) Tier 1 common equity, a non-GAAP financial measure, is used by banking regulators, investors and analysts to assess and compare the quality and composition of our capital with the capital of other financial services companies. Management uses Tier 1 common equity, along with other capital measures, to assess and monitor our capital position. Tier 1 common equity is defined as Tier 1 capital excluding qualifying perpetual preferred stock and qualifying trust preferred securities.

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TABLE 11

Selected Quarterly Information

($ in Thousands)

	Quarter Ended
	March 31, 2014			December 31, 2013			September 30, 2013			June 30, 2013			March 31, 2013
Summary of Operations:
Net interest income	$	164,973		$	167,199		$	160,509		$	160,182		$	157,653
Provision for credit losses		5,000			2,300			(800	)		5,300			3,300
Noninterest income
Trust service fees		11,711			11,938			11,380			11,405			10,910
Service charges on deposit accounts		16,400			17,330			18,407			17,443			16,829
Card-based and other nondeposit fees		12,509			12,684			12,688			12,591			11,950
Insurance commissions		12,317			11,274			11,356			9,631			11,763
Brokerage and annuity commissions		4,033			3,881			3,792			3,688			3,516
Total core fee-based revenue		56,970			57,107			57,623			54,758			54,968
Mortgage banking, net		6,361			8,277			3,542			19,263			17,765
Capital market fees, net		2,322			2,771			2,652			5,074			2,583
BOLI income		4,320			2,787			2,817			3,281			2,970
Asset gains (losses), net		728			2,687			1,934			(44	)		836
Investment securities gains (losses), net		378			(18	)		248			34			300
Other		2,442			2,262			2,100			1,944			2,578
Total noninterest income		73,521			75,873			70,916			84,310			82,000
Noninterest expense
Personnel expense		97,698			101,215			98,102			99,791			97,907
Occupancy		15,560			14,684			14,758			14,305			15,662
Equipment		6,276			6,509			6,213			6,462			6,167
Technology		12,724			12,963			12,323			12,651			11,508
Business development and advertising		5,062			7,834			5,947			5,028			4,537
Other intangible amortization		991			1,011			1,010			1,011			1,011
Loan expense		2,787			3,677			3,157			3,044			3,284
Legal and professional fees		4,188			5,916			3,482			5,483			5,345
Losses other than loans		544			1,559			(600	)		499			384
Foreclosure / OREO expense		1,896			2,829			2,515			2,302			2,422
FDIC expense		5,001			4,879			4,755			4,395			5,432
Other		14,931			16,091			13,509			13,725			13,956
Total noninterest expense		167,658			179,167			165,171			168,696			167,615
Income tax expense		20,637			13,847			21,396			22,608			21,350
Net income		45,199			47,758			45,658			47,888			47,388
Preferred stock dividends		1,244			1,273			1,285			1,300			1,300
Net income available to common equity	$	43,955		$	46,485		$	44,373		$	46,588		$	46,088
Taxable equivalent net interest income	$	169,629		$	172,237		$	165,457		$	165,178		$	162,743
Net interest margin		3.12	%		3.23	%		3.13	%		3.16	%		3.17	%
Effective tax rate		31.35	%		22.48	%		31.91	%		32.07	%		31.06	%
Average Balances:
Assets	$	24,213,213		$	23,558,725		$	23,313,577		$	23,306,220		$	23,038,708
Earning assets		21,892,503			21,242,065			21,039,467			20,951,244			20,680,919
Interest-bearing liabilities		16,962,190			16,135,174			16,010,930			15,988,021			15,719,383
Loans		16,164,617			15,748,284			15,724,365			15,727,807			15,448,152
Deposits		16,990,272			17,881,531			17,609,819			17,105,078			17,146,384
Short and long-term funding		4,138,223			2,606,958			2,665,415			3,074,647			2,758,923
Stockholders’ equity	$	2,888,768		$	2,872,638		$	2,862,890		$	2,920,994		$	2,913,499

74

Sequential Quarter Results

The Corporation recorded net income of $45 million for the three months ended March 31, 2014, compared to net income of $48 million for the three months ended December 31, 2013. Net income available to common equity was $44 million for the first quarter of 2014, or net income of $0.27 for both basic and diluted earnings per common share. Comparatively, net income available to common equity for the fourth quarter of 2013, was $46 million, or net income of $0.28 for both basic and diluted earnings per common share (see Table 1).

Taxable equivalent net interest income for the first quarter of 2014 was $170 million, $3 million lower than the fourth quarter of 2013, due to lower interest recoveries and the day count difference between quarters. The Federal funds target rate was unchanged for both quarters. The net interest margin in the first quarter of 2014 was down 11 bp, to 3.12%. Average earning assets increased $650 million to $21.9 billion in the first quarter of 2014, with average loans up $416 million and average investments and other short-term investments up $234 million. On the funding side, average short and long-term funding was up $1.5 billion (primarily long-term FHLB advances), while average interest-bearing deposits were down $704 million (primarily money market deposits).

The Corporation reported another quarter of improving credit quality with nonaccrual loans of $178 million (1.08% of total loans) at March 31, 2014, down from $185 million (1.17% of total loans) at December 31, 2013 (see Table 8). Potential problem loans declined to $220 million, down $16 million from the fourth quarter of 2013. The provision for credit losses for the first quarter of 2014 was $5 million, compared to $2 million in the fourth quarter of 2013 (see Table 7). Annualized net charge offs represented 0.14% of average loans for both the first quarter of 2014 and the fourth quarter of 2013. The allowance for loan losses to loans at March 31, 2014 was 1.63%, compared to 1.69% at December 31, 2013 (see Table 8). See discussion under sections, “Provision for Credit Losses,” “Allowance for Credit Losses,” and “Nonaccrual Loans, Potential Problem Loans, and Other Real Estate Owned.”

Noninterest income for the first quarter of 2014 decreased $2 million (3%) to $74 million versus the fourth quarter of 2013. Net asset gains decreased $2 million primarily due to the sale of four branches in the fourth of 2013. Net mortgage banking income was $6 million, down $2 million (23%) from the fourth quarter of 2013, predominantly due to a decline in the gain on sales of mortgage loans. Bank owned life insurance income increased $2 million primarily due to the death benefits received during the first quarter of 2014.

On a sequential quarter basis, noninterest expense decreased $12 million (6%) to $168 million in the first quarter of 2014. Personnel expense decreased $4 million due to a reduction in full-time equivalent (FTE) employees. Business development and advertising was down $3 million mainly due to the fall advertising related to the brand campaign. Legal and professional fees decreased by $2 million due to a decrease in consultant costs. Losses other than loans decreased $1 million primarily due to a more favorable than expected resolution of a few litigation matters. All remaining noninterest expense categories on a combined basis were down $2 million (4%).

For the first quarter of 2014, the Corporation recognized income tax expense of $21 million, compared to income tax expense of $14 million for the fourth quarter of 2013 as the fourth quarter of 2013 included a $6 million tax benefit related to a settlement of a tax issue and the expiration of various statutes of limitations. The effective tax rate was 31.35% and 22.48% for the first quarter of 2014 and the fourth quarter of 2013, respectively.

Future Accounting Pronouncements

New accounting policies adopted by the Corporation are discussed in Note 2, “New Accounting Pronouncements Adopted,” of the notes to consolidated financial statements. The expected impact of accounting pronouncements recently issued or proposed but not yet required to be adopted are discussed below. To the extent the adoption of new accounting standards materially affects the Corporation’s financial condition, results of operations, or liquidity, the impacts are discussed in the applicable sections of this financial review and the notes to the consolidated financial statements.

In January 2014, the FASB issued an amendment to clarify that an in substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar agreement. In addition, the amendments require interim and annual disclosure of both the amount of foreclosed residential real estate property held by the creditor and the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure in accordance with local requirements of the applicable jurisdiction. This amendment is effective for fiscal years, and interim periods within those years, beginning after December 15, 2014. An entity can elect to adopt the amendments using either a modified retrospective method or a prospective transition method. Early adoption is permitted. The Corporation intends to adopt the accounting standard during the first quarter of 2015, as required, with no expected material impact on its results of operations, financial position, or liquidity.

75

In January 2014, the FASB issued an amendment which permits reporting entities to make an accounting policy election to account for their investments in qualified affordable housing projects using the proportional amortization method if certain conditions are met. Under the proportional amortization method, an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense (benefit). For those investments in qualified affordable housing projects not accounted for using the proportional method, the investment should be accounted for as an equity method investment or a cost method investment. The decision to apply the proportional amortization method of accounting is an accounting policy decision that should be applied consistently to all qualifying affordable housing project investments rather than a decision to be applied to individual investments. This amendment should be applied retrospectively to all periods presented. A reporting entity that uses the effective yield method to account for its investments in qualified affordable housing projects before the date of adoption may continue to apply the effective yield method for those preexisting investments. This amendment is effective for fiscal years, and interim periods within those years, beginning after December 15, 2014. The Corporation intends to adopt the accounting standard during the first quarter of 2015, as required, with no expected material impact on its results of operations, financial position, or liquidity.

Recent Developments

On April 22, 2014, the Board of Directors declared a regular quarterly cash dividend of $0.09 per common share, payable on June 16, 2014, to shareholders of record at the close of business on June 2, 2014. The Board of Directors also declared a regular quarterly cash dividend of $0.50 per depositary share on Associated Banc-Corp’s 8.00% Series B Perpetual Preferred Stock payable on June 16, 2014, to shareholders of record at the close of business on June 2, 2014. These cash dividends have not been reflected in the accompanying consolidated financial statements.

On April 4, 2014, the Parent Company filed a shelf registration statement. Pending effectiveness, the Parent Company may offer shares of the Corporation’s common stock under the shelf registration statement at the time of our acquisition of businesses, assets or securities of other companies.

ITEM 3. Quantitative and Qualitative Disclosures about Market Risk

Information required by this item is set forth in Item 2 under the captions “Quantitative and Qualitative Disclosures about Market Risk” and “Interest Rate Risk.”

ITEM 4. Controls and Procedures

The Corporation maintains disclosure controls and procedures as required under Rule 13a-15 promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), that are designed to ensure that information required to be disclosed in our Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to the Corporation’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

As of March 31, 2014, the Corporation’s management carried out an evaluation, under the supervision and with the participation of the Corporation’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of its disclosure controls and procedures. Based on the foregoing, its Chief Executive Officer and Chief Financial Officer concluded that the Corporation’s disclosure controls and procedures were effective as of March 31, 2014. No changes were made to the Corporation’s internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act of 1934) during the last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Corporation’s internal control over financial reporting.

76

PART II — OTHER INFORMATION

ITEM 1. Legal Proceedings

The following is a description of the Corporation’s material pending legal proceedings.

A lawsuit, R.J. ZAYED v. Associated Bank, N.A., was filed in the United States District Court for the District of Minnesota on January 29, 2013. The lawsuit relates to a Ponzi scheme perpetrated by Oxford Global Partners and related entities (“Oxford”) and individuals and was brought by the receiver for Oxford. Oxford was a depository customer of the Bank. The lawsuit claims that the Bank is liable for failing to uncover the Oxford Ponzi scheme, and specifically alleges the Bank aided and abetted (1) the fraudulent scheme; (2) a breach of fiduciary duty; (3) conversion; and (4) false representations and omissions. The lawsuit seeks unspecified consequential and punitive damages. The District Court granted the Bank’s motion to dismiss the complaint on September 30, 2013, and the plaintiff has appealed such dismissal to the U.S. Court of Appeals for the Eighth Circuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time. A lawsuit by investors in the same Ponzi scheme, Herman Grad, et al v. Associated Bank, N.A., brought in Brown County, Wisconsin in October 2009 was dismissed by the circuit court, and the dismissal was affirmed by the Wisconsin Court of Appeals in June 2011 in an unpublished opinion.

In July 2013, the OCC notified the Bank that it was considering imposing a civil money penalty related to the Bank’s past BSA deficiencies which were the subject of a Consent Order. The Consent Order was subsequently terminated in March, 2014. The Bank has responded to such notice, and after considering the Bank’s response, the OCC may impose a civil money penalty related to such deficiencies. The Corporation has also been informed by the OCC that the U.S. Treasury’s Financial Crimes Enforcement Network (FinCEN) is also considering imposing a civil money penalty related to the same past BSA deficiencies. It is not possible for management to estimate a reasonable range of exposure relating to these potential civil money penalties at this time.

A purported class action lawsuit, Wanda Boone v. Associated Banc-Corp, was filed on April 10, 2014 in the United States District Court for the Eastern District of Wisconsin. The lawsuit claims that loan coordinators employed by the Bank were not compensated for all hours worked, including the payment of overtime, in violation of the Fair Labor Standards Act of 1938 and Wisconsin wage laws. The lawsuit seeks monetary damages and attorneys’ fees. The Corporation intends to vigorously defend the lawsuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time.

Item 1A. Risk Factors

The following risk factor is added to those set forth in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2013. Except as described below, the material risks and uncertainties that management believes effect the Corporation have not changed materially from those described in the Form 10-K.

Acquisitions may be delayed, impeded, or prohibited by regulatory authorities due to regulatory issues. Acquisitions by the Corporation, particularly those of financial institutions, are subject to approval by a variety of federal and state regulatory agencies (collectively, “regulatory approvals”). These regulatory approvals could be delayed, impeded, or denied due to existing or new regulatory issues the Corporation has, or may have, with regulatory agencies, including, without limitation, issues related to AML/BSA compliance, fair lending laws, consumer protection laws, unfair, deceptive, or abusive acts or practices regulations, Community Reinvestment Act (CRA) issues, and other similar laws and regulations. Problems with acquisitions due to such issues could have a material adverse impact on our business, and, in turn, our financial condition and results of operations.

77

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

Following are the Corporation’s monthly common stock purchases during the first quarter of 2014. For a detailed discussion of the common stock repurchase authorizations and repurchases during the period, see section “Capital” included under Part I Item 2 of this document.

Period	Total Number of Shares Purchased (a)		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans		Maximum Number of Shares that May Yet Be Purchased Under the Plan (b)
January 1, 2014 — January 31, 2014		1,623,188	$	17.13		1,623,188		—
February 1, 2014 — February 28, 2014		128,258		17.13		128,258		—
March 1, 2014 — March 31, 2014		521,519		17.43		521,519		—
Total		2,272,965	$	17.20		2,272,965		9,740,301

(a) During the first quarter of 2014, the Corporation repurchased 182,331 shares for minimum tax withholding settlements on equity compensation. These purchases are not included in the monthly common stock purchases table above and do not count against the maximum number of shares that may yet be purchased under the Board of Directors’ authorization.

(b) On July 23, 2013, the Board of Directors authorized the Corporation to repurchase up to an aggregate amount of $120 million of common stock, of which, $56 million remained available to repurchase as of March 31, 2014. On March 18, 2014, the Board of Directors also authorized the repurchase of up to an additional $120 million of common stock, which is in addition to the $56 million remaining under the July 2013 common stock repurchase authorization. Using the closing stock price on March 31, 2014 of $18.06, a total of approximately 9.7 million common shares remained available to be repurchased under both authorizations as of March 31, 2014.

ITEM 6. Exhibits

(a) Exhibits:

Exhibit (11), Statement regarding computation of per-share earnings. See Note 3 of the notes to consolidated financial statements in Part I Item 1.

Exhibit (31.1), Certification Under Section 302 of Sarbanes-Oxley by Philip B. Flynn, Chief Executive Officer, is attached hereto.

Exhibit (31.2), Certification Under Section 302 of Sarbanes-Oxley by Christopher J. Del Moral-Niles, Chief Financial Officer, is attached hereto.

Exhibit (32), Certification by the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley, is attached hereto.

Exhibit (101), Interactive data files pursuant to Rule 405 of Regulation S-T: (i) Unaudited Consolidated Balance Sheets, (ii) Unaudited Consolidated Statements of Income, (iii) Unaudited Consolidated Statements of Comprehensive Income, (iv) Unaudited Consolidated Statements of Changes in Stockholders’ Equity, (v) Unaudited Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements.

78

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ASSOCIATED BANC-CORP
	(Registrant)
Date: May 2, 2014	/s/ Philip B. Flynn
	Philip B. Flynn
	President and Chief Executive Officer

Date: May 2, 2014	/s/ Christopher J. Del Moral-Niles
	Christopher J. Del Moral-Niles
	Chief Financial Officer and Principal Accounting Officer

79

EX-31.1

EXHIBIT 31.1

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Philip B. Flynn, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Associated Banc-Corp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 2, 2014	/s/ Philip B. Flynn
	Philip B. Flynn
	President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Christopher J. Del Moral-Niles, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Associated Banc-Corp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	May 2, 2014	/s/ Christopher J. Del Moral-Niles
		Christopher J. Del Moral-Niles
		Chief Financial Officer and Principal Accounting Officer

EX-32

EXHIBIT 32

Certification by the Chief Executive Officer and Chief Financial

Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant

to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Associated Banc-Corp, a Wisconsin corporation (the “Company”), does hereby certify that:

1. The accompanying Quarterly Report of the Company on Form 10-Q for the quarter ended March 31, 2014 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/  Philip B. Flynn

Philip B. Flynn

Chief Executive Officer

May 2, 2014

/s/  Christopher J. Del Moral-Niles

Christopher J. Del Moral-Niles

Chief Financial Officer

May 2, 2014

XML

Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Calculations for basic and diluted earnings per common share
Net income	$ 45,199	$ 47,388
Preferred stock dividends and discount accretion	(1,244)	(1,300)
Net income available to common equity	43,955	46,088
Common shareholder dividends	(14,488)	(13,377)
Unvested share-based payment awards	(151)	(107)
Undistributed earnings	29,316	32,604
Undistributed earnings allocated to common shareholders	29,126	32,375
Undistributed earnings allocated to unvested share-based payment awards	190	229
Undistributed earnings	29,316	32,604
Basic
Distributed earnings to common shareholders	14,488	13,377
Undistributed earnings allocated to common shareholders	29,126	32,375
Total common shareholders earnings, basic	43,614	45,752
Diluted
Distributed earnings to common shareholders	14,488	13,377
Undistributed earnings allocated to common shareholders	29,126	32,375
Total common shareholders earnings, diluted	$ 43,614	$ 45,752
Weighted average common shares outstanding	161,467,000	168,234,000
Effect of dilutive common stock awards	721,000	170,000
Diluted weighted average common shares outstanding	162,188,000	168,404,000
Basic earnings per common share	$ 0.27	$ 0.27
Diluted earnings per common share	$ 0.27	$ 0.27
Earnings Per Share (Textuals) [Abstract]
Number of antidilutive stock options excluded from the computation of diluted earnings per share	3,000,000	3,000,000

XML

Loans, Allowance for Loan Losses, and Credit Quality Changes in the Allowance for Loan Losses by Portfolio Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	$ 268,315	$ 297,409
Provision for loan losses	5,000	10,000
Charge offs	(11,361)	(88,061)
Recoveries	5,962	48,967
Loans and Leases Receivable, Allowance, Ending Balance	267,916	268,315
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	12,749	13,637
Ending balance impaired loans collectively evaluated for impairment	37,060	38,238
Total Impaired Loans, Related Allowance	49,809	51,875
Ending balance all other loans collectively evaluated for impairment	218,107	216,440
Loans and Leases Receivable, Allowance, Total	267,916	268,315
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	96,219	101,686
Ending balance impaired loans collectively evaluated for impairment	198,683	207,727
Total Impaired Loans, Recorded Investment	294,902	309,413
Ending balance all other loans collectively evaluated for impairment	16,146,542	15,586,848
Total loans	16,441,444	15,896,261
Commercial and Industrial Portfolio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	104,501	97,852
Provision for loan losses	9,593	12,930
Charge offs	(5,334)	(35,146)
Recoveries	2,609	28,865
Loans and Leases Receivable, Allowance, Ending Balance	111,369	104,501
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	6,978	7,994
Ending balance impaired loans collectively evaluated for impairment	3,667	3,923
Total Impaired Loans, Related Allowance	10,645	11,917
Ending balance all other loans collectively evaluated for impairment	100,724	92,584
Loans and Leases Receivable, Allowance, Total	111,369	104,501
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	31,526	29,343
Ending balance impaired loans collectively evaluated for impairment	34,738	40,893
Total Impaired Loans, Recorded Investment	66,264	70,236
Ending balance all other loans collectively evaluated for impairment	5,155,877	4,752,444
Total loans	5,222,141	4,822,680
Commercial Real Estate Owner Occupied Portfolio [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	19,476	27,389
Provision for loan losses	(97)	(1,778)
Charge offs	(163)	(6,474)
Recoveries	287	339
Loans and Leases Receivable, Allowance, Ending Balance	19,503	19,476
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	1,322	1,019
Ending balance impaired loans collectively evaluated for impairment	1,864	1,936
Total Impaired Loans, Related Allowance	3,186	2,955
Ending balance all other loans collectively evaluated for impairment	16,317	16,521
Loans and Leases Receivable, Allowance, Total	19,503	19,476
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	21,580	24,744
Ending balance impaired loans collectively evaluated for impairment	16,734	17,929
Total Impaired Loans, Recorded Investment	38,314	42,673
Ending balance all other loans collectively evaluated for impairment	1,059,775	1,072,042
Total loans	1,098,089	1,114,715
Finance Leases Portfolio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	1,607	3,024
Provision for loan losses	374	(1,429)
Charge offs	0	(206)
Recoveries	0	218
Loans and Leases Receivable, Allowance, Ending Balance	1,981	1,607
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	0	0
Ending balance impaired loans collectively evaluated for impairment	69	29
Total Impaired Loans, Related Allowance	69	29
Ending balance all other loans collectively evaluated for impairment	1,912	1,578
Loans and Leases Receivable, Allowance, Total	1,981	1,607
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	0	0
Ending balance impaired loans collectively evaluated for impairment	172	69
Total Impaired Loans, Recorded Investment	172	69
Ending balance all other loans collectively evaluated for impairment	52,328	55,414
Total loans	52,500	55,483
Commercial Real Estate Investor Portfolio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	58,156	63,181
Provision for loan losses	(3,325)	(2,140)
Charge offs	(302)	(9,846)
Recoveries	1,333	6,961
Loans and Leases Receivable, Allowance, Ending Balance	55,862	58,156
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	3,983	3,932
Ending balance impaired loans collectively evaluated for impairment	4,141	3,963
Total Impaired Loans, Related Allowance	8,124	7,895
Ending balance all other loans collectively evaluated for impairment	47,738	50,261
Loans and Leases Receivable, Allowance, Total	55,862	58,156
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	28,790	32,367
Ending balance impaired loans collectively evaluated for impairment	50,841	50,175
Total Impaired Loans, Recorded Investment	79,631	82,542
Ending balance all other loans collectively evaluated for impairment	2,921,588	2,856,914
Total loans	3,001,219	2,939,456
Real Estate Construction Port Folio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	23,418	20,741
Provision for loan losses	(2,341)	541
Charge offs	(271)	(3,375)
Recoveries	158	5,511
Loans and Leases Receivable, Allowance, Ending Balance	20,964	23,418
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	203	254
Ending balance impaired loans collectively evaluated for impairment	1,947	2,162
Total Impaired Loans, Related Allowance	2,150	2,416
Ending balance all other loans collectively evaluated for impairment	18,814	21,002
Loans and Leases Receivable, Allowance, Total	20,964	23,418
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	3,930	3,777
Ending balance impaired loans collectively evaluated for impairment	5,691	6,483
Total Impaired Loans, Recorded Investment	9,621	10,260
Ending balance all other loans collectively evaluated for impairment	959,996	885,988
Total loans	969,617	896,248
Home Equity Port Folio Segments [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	32,196	56,826
Provision for loan losses	495	(8,213)
Charge offs	(3,581)	(20,629)
Recoveries	1,134	4,212
Loans and Leases Receivable, Allowance, Ending Balance	30,244	32,196
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	4	123
Ending balance impaired loans collectively evaluated for impairment	13,095	13,866
Total Impaired Loans, Related Allowance	13,099	13,989
Ending balance all other loans collectively evaluated for impairment	17,145	18,207
Loans and Leases Receivable, Allowance, Total	30,244	32,196
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	427	929
Ending balance impaired loans collectively evaluated for impairment	31,630	33,871
Total Impaired Loans, Recorded Investment	32,057	34,800
Ending balance all other loans collectively evaluated for impairment	1,729,945	1,790,214
Total loans	1,762,002	1,825,014
Installment Port Folio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	2,416	4,299
Provision for loan losses	96	(2,127)
Charge offs	(307)	(1,389)
Recoveries	194	1,633
Loans and Leases Receivable, Allowance, Ending Balance	2,399	2,416
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	0	0
Ending balance impaired loans collectively evaluated for impairment	448	487
Total Impaired Loans, Related Allowance	448	487
Ending balance all other loans collectively evaluated for impairment	1,951	1,929
Loans and Leases Receivable, Allowance, Total	2,399	2,416
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	0	0
Ending balance impaired loans collectively evaluated for impairment	1,140	1,360
Total Impaired Loans, Recorded Investment	1,140	1,360
Ending balance all other loans collectively evaluated for impairment	392,181	405,714
Total loans	393,321	407,074
Residential Portfolio Segment [Member]
Changes in the allowance for loan losses by portfolio segment
Loans and Leases Receivable, Allowance, Beginning Balance	26,545	24,097
Provision for loan losses	205	12,216
Charge offs	(1,403)	(10,996)
Recoveries	247	1,228
Loans and Leases Receivable, Allowance, Ending Balance	25,594	26,545
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	259	315
Ending balance impaired loans collectively evaluated for impairment	11,829	11,872
Total Impaired Loans, Related Allowance	12,088	12,187
Ending balance all other loans collectively evaluated for impairment	13,506	14,358
Loans and Leases Receivable, Allowance, Total	25,594	26,545
Loans [Abstract]
Ending balance impaired loans individually evaluated for impairment	9,966	10,526
Ending balance impaired loans collectively evaluated for impairment	57,737	56,947
Total Impaired Loans, Recorded Investment	67,703	67,473
Ending balance all other loans collectively evaluated for impairment	3,874,852	3,768,118
Total loans	$ 3,942,555	$ 3,835,591

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Investment Securities AFS Gross Unrealized Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	$ (49,774)	$ (82,852)
Unrealized losses on available for sale securities, 12 months or more	(37,529)	(25,182)
Total unrealized losses on available for sale securities	(87,303)	(108,034)
Fair value of unrealized losses on available for sale securities, less than 12 months	1,926,087	2,386,847
Fair value of unrealized losses on available for sale securities, 12 months or more	765,309	467,340
Total fair value of unrealized losses on available for sale securities	2,691,396	2,854,187
Obligations of state and political subdivisions (municipal securities) [Member]
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	(620)	(1,525)
Unrealized losses on available for sale securities, 12 months or more	(8)	(8)
Total unrealized losses on available for sale securities	(628)	(1,533)
Fair value of unrealized losses on available for sale securities, less than 12 months	36,357	47,044
Fair value of unrealized losses on available for sale securities, 12 months or more	271	273
Total fair value of unrealized losses on available for sale securities	36,628	47,317
Number of available for sale securities in a continuous unrealized loss position less than twelve months	86	113
Number of available for sale securities in a continuous unrealized loss position for twelve months or more	1	1
Government-Sponsored Enterprise (GSE) [Member]
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	(36,552)	(57,393)
Unrealized losses on available for sale securities, 12 months or more	(22,437)	(21,186)
Total unrealized losses on available for sale securities	(58,989)	(78,579)
Fair value of unrealized losses on available for sale securities, less than 12 months	1,439,729	1,887,784
Fair value of unrealized losses on available for sale securities, 12 months or more	555,664	421,082
Total fair value of unrealized losses on available for sale securities	1,995,393	2,308,866
Number of available for sale securities in a continuous unrealized loss position less than twelve months	86	106
Number of available for sale securities in a continuous unrealized loss position for twelve months or more	19	15
Private Label [Member]
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	(17)	(37)
Unrealized losses on available for sale securities, 12 months or more	(1)	0
Total unrealized losses on available for sale securities	(18)	(37)
Fair value of unrealized losses on available for sale securities, less than 12 months	1,917	2,105
Fair value of unrealized losses on available for sale securities, 12 months or more	38	35
Total fair value of unrealized losses on available for sale securities	1,955	2,140
Number of available for sale securities in a continuous unrealized loss position less than twelve months	1	2
Number of available for sale securities in a continuous unrealized loss position for twelve months or more	2	1
GNMA commercial mortgage-related securities [Member]
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	(12,541)	(23,854)
Unrealized losses on available for sale securities, 12 months or more	(15,083)	(3,988)
Total unrealized losses on available for sale securities	(27,624)	(27,842)
Fair value of unrealized losses on available for sale securities, less than 12 months	425,310	443,462
Fair value of unrealized losses on available for sale securities, 12 months or more	209,336	45,950
Total fair value of unrealized losses on available for sale securities	634,646	489,412
Number of available for sale securities in a continuous unrealized loss position less than twelve months	17	19
Number of available for sale securities in a continuous unrealized loss position for twelve months or more	7	0
Other Debt And Other Equity Securities [Member]
Unrealized losses and fair value of available for sale securities , by investment category and time length
Unrealized losses on available for sale securities, less than 12 months	(8)	(43)
Unrealized losses on available for sale securities, 12 months or more	0	0
Total unrealized losses on available for sale securities	(8)	(43)
Fair value of unrealized losses on available for sale securities, less than 12 months	1,492	6,452
Fair value of unrealized losses on available for sale securities, 12 months or more	0	0
Total fair value of unrealized losses on available for sale securities	$ 1,492	$ 6,452
Number of available for sale securities in a continuous unrealized loss position less than twelve months	3	5
Number of available for sale securities in a continuous unrealized loss position for twelve months or more	0	1

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Derivative And Hedging Activities Gains and Losses on Derivative Instruments Not Designated at Hedging Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Interest Rate Lock Commitments [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	$ 375	$ (2,526)
Forward Contracts [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	(789)	(696)
Covered Call Options [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income		0
Capital Market Fees [Member] | Interest Rate Related Instruments Customer and Mirror [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	70	381
Capital Market Fees [Member] | Foreign Exchange Forward [Member]
Gain (loss) on derivative instruments not designated as hedging instruments
Gain / (Loss) Recognized in Income	$ 44	$ 29

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Loans, Allowance for Loan Losses, and Credit Quality Commercial Loans by Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Commercial loans by credit quality indicator
Commercial and industrial	$ 5,222,141	$ 4,822,680
Commercial real estate - owner occupied	1,098,089	1,114,715
Lease financing	52,500	55,483
Commercial and business lending	6,372,730	5,992,878
Commercial real estate - investor	3,001,219	2,939,456
Real estate construction	969,617	896,248
Commercial real estate lending	3,970,836	3,835,704
Total commercial	10,343,566	9,828,582
Pass [Member]
Commercial loans by credit quality indicator
Commercial and industrial	4,923,304	4,485,160
Commercial real estate - owner occupied	938,769	959,849
Lease financing	46,892	52,733
Commercial and business lending	5,908,965	5,497,742
Commercial real estate - investor	2,835,903	2,740,255
Real estate construction	951,759	877,911
Commercial real estate lending	3,787,662	3,618,166
Total commercial	9,696,627	9,115,908
Special Mention [Member]
Commercial loans by credit quality indicator
Commercial and industrial	123,546	153,615
Commercial real estate - owner occupied	56,221	55,404
Lease financing	2,371	897
Commercial and business lending	182,138	209,916
Commercial real estate - investor	50,895	64,230
Real estate construction	3,367	2,814
Commercial real estate lending	54,262	67,044
Total commercial	236,400	276,960
Potential Problem [Member]
Commercial loans by credit quality indicator
Commercial and industrial	109,027	113,669
Commercial real estate - owner occupied	64,785	56,789
Lease financing	3,065	1,784
Commercial and business lending	176,877	172,242
Commercial real estate - investor	34,790	52,429
Real estate construction	4,870	5,263
Commercial real estate lending	39,660	57,692
Total commercial	216,537	229,934
Impaired [Member]
Commercial loans by credit quality indicator
Commercial and industrial	66,264	70,236
Commercial real estate - owner occupied	38,314	42,673
Lease financing	172	69
Commercial and business lending	104,750	112,978
Commercial real estate - investor	79,631	82,542
Real estate construction	9,621	10,260
Commercial real estate lending	89,252	92,802
Total commercial	$ 194,002	$ 205,780

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Fair Value Measurements Assets and Liabilities Measured at Fair Value on a Non-recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	$ 46,529		$ 64,738
Mortgage servicing rights	62,436		63,280
Fair Value, Inputs, Level 1 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	0		0
Fair Value, Inputs, Level 2 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	46,529		64,738
Fair Value, Inputs, Level 3 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	0		0
Fair Value, Measurements, Nonrecurring [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	46,529		64,738
Impaired Loans	83,470	[1]	88,049	[1]
Mortgage servicing rights	71,987		74,444
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	0		0
Impaired Loans	0	[1]	0	[1]
Mortgage servicing rights	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	46,529		64,738
Impaired Loans	0	[1]	0	[1]
Mortgage servicing rights	0		0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans held for sale	0		0
Impaired Loans	83,470	[1]	88,049	[1]
Mortgage servicing rights	$ 71,987		$ 74,444

[1] (1)        Represents individually evaluated impaired loans, net of the related allowance for loan losses.

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Investment Securities AFS Contractual Maturity Table (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Amortized cost and fair values of investment securities available for sale by contractual maturity
Securities available for sale, debt securities due in one year or less, amortized cost	$ 23,534
Securities available for sale, debt securities due after one year through five years, amortized cost	202,811
Securities available for sale, debt securities due after five years through ten years, amortized cost	404,168
Securities available for sale, debt securities due after ten years, amortized cost	15,623
Total available for sale debt securities, amortized cost	646,136
Securities available for sale, debt securities due in one year or less, fair value	23,714
Securities available for sale, debt securities due after one year through five years, fair value	212,978
Securities available for sale, debt securities due after five years through ten years, fair value	418,321
Securities available for sale, debt securities due after ten years, fair value	16,054
Total available for sale debt securities, Fair value	671,067
Investment securities available for sale, amortized cost	5,277,650	5,270,576
Investment securities available for sale, fair value	5,277,908	5,250,585
Ratio of Fair Value to Amortized Cost, AFS	100.00%
Government-Sponsored Enterprise (GSE) [Member]
Amortized cost and fair values of investment securities available for sale by contractual maturity
Investment securities available for sale, amortized cost	3,767,991	3,855,467
Investment securities available for sale, fair value	3,769,242	3,838,430
Private Label [Member]
Amortized cost and fair values of investment securities available for sale by contractual maturity
Investment securities available for sale, amortized cost	2,699	3,035
Investment securities available for sale, fair value	2,697	3,014
GNMA commercial mortgage-related securities [Member]
Amortized cost and fair values of investment securities available for sale by contractual maturity
Investment securities available for sale, amortized cost	839,488	673,555
Investment securities available for sale, fair value	813,567	647,477
Asset-backed Securities [Member]
Amortized cost and fair values of investment securities available for sale by contractual maturity
Investment securities available for sale, amortized cost	21,318	23,049
Investment securities available for sale, fair value	21,282	23,059
Equity Securities [Member]
Amortized cost and fair values of investment securities available for sale by contractual maturity
Investment securities available for sale, amortized cost	18
Investment securities available for sale, fair value	$ 53

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Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2014

Balance Sheet Offsetting Disclosure [Abstract]

Balance Sheet Offsetting of Derivative Assets and Liabilities

March 31, 2014								Gross amounts not offset
	Gross		Gross amounts		Net amounts			in the balance sheet
	amounts		offset in the		presented in		Financial
	recognized		balance sheet		the balance sheet		instruments			Collateral	Net amount
	($ in Thousands)
Derivative assets:
Interest rate-related instruments	$	2,069	$	―	$	2,069	$	(2,068)	$	―	$	1
Derivative liabilities:
Interest rate-related instruments	$	39,884	$	―	$	39,884	$	(2,068)	$	(32,136)	$	5,680
December 31, 2013
Derivative assets:
Interest rate-related instruments	$	3,084	$	―	$	3,084	$	(3,082)	$	―	$	2
Derivative liabilities:
Interest rate-related instruments	$	41,786	$	―	$	41,786	$	(3,082)	$	(33,405)	$	5,299

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Fair Value Measurements Fair Value of Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financial assets
Cash and due from banks	$ 526,951	$ 455,482
Cash and due from banks, Fair Value	526,951	455,482
Interest-bearing deposits in other financial institutions	92,071	126,018
Interest-bearing deposits in other financial institutions, Fair value	92,071	126,018
Federal funds sold and securities purchased under agreements to resell	4,400	20,745
Federal funds sold and securities purchased under agreements to resell, Fair value	4,400	20,745
Investment securities held to maturity, carrying amount	193,759	175,210
Investment securities held to maturity, fair value	193,146	169,889
Investment securities available for sale, fair value	5,277,908	5,250,585
Investment securities available for sale, fair value	5,277,908	5,250,585
Federal Home Loan Bank and Federal Reserve Bank stocks, carrying amount	181,360	181,249
Federal Home Loan Bank and Federal Reserve Bank stocks, Fair value	181,360	181,249
Loans held for sale	46,529	64,738
Loans held for sale, fair value	46,529	64,738
Loans, net	16,173,528	15,627,946
Loans, net Fair value	16,224,051	15,599,094
Bank owned life insurance, carrying amount	568,631	568,413
Bank owned life insurance, Fair value	568,631	568,413
Accrued interest receivable, carrying amount	69,317	66,308
Accrued interest receivable, Fair value	69,317	66,308
Interest rate-related agreements (1), carrying amount	40,078	42,980
Interest rate-related agreements (1), fair value	40,078	42,980
Foreign currency exchange forwards	744	748
Foreign currency exchange forwards, Fair value	744	748
Interest rate lock commitments to originate residential mortgage loans held for sale	791	416
Interest rate lock commitments to originate residential mortgage loans held for sale, fair value	791	416
Forward commitments to sell residential mortgage loans, carrying value	512	1,301
Forward commitments to sell residential mortgage loans, fair value	512	1,301
Purchased options (time deposit), carrying value	7,490	7,328
Purchased options (time deposit), fair value	7,490	7,328
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits	15,885,280	15,581,971
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, Fair value	15,885,280	15,581,971
Brokered CDs and other time deposits	1,624,647	1,685,196
Brokered CDs and other time deposits, Fair value	1,626,978	1,687,198
Short-term funding	1,247,906	740,926
Short-term funding, Fair value	1,247,906	740,926
Long-term funding	2,932,040	3,087,267
Long-term funding, fair value	2,924,315	3,085,893
Accrued interest payable	1,520	7,994
Accrued interest payable, Fair value	1,520	7,994
Interest rate-related agreements (1)	42,843	45,815
Interest rate-related agreements (1), Fair value	42,843	45,815
Foreign currency exchange forwards	607	655
Foreign currency exchange forwards, Fair value	607	655
Standby letters of credit (2), carrying amount	3,844	3,754
Standby letters of credit (2), Fair value	3,844	3,754
Forward commitments to sell residential mortgage loans	0	0
Forward commitments to sell residential mortgage loans, fair value	0	0
Written options (time deposit), carrying value	7,490	7,328
Written option (time deposit), fair value	7,490	7,328
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and due from banks, Fair Value	526,951	455,482
Interest-bearing deposits in other financial institutions, Fair value	92,071	126,018
Federal funds sold and securities purchased under agreements to resell, Fair value	4,400	20,745
Investment securities held to maturity, fair value	0	0
Investment securities available for sale, fair value	4,249	4,240
Federal Home Loan Bank and Federal Reserve Bank stocks, Fair value	0	0
Loans held for sale, fair value	0	0
Loans, net Fair value	0	0
Bank owned life insurance, Fair value	0	0
Accrued interest receivable, Fair value	69,317	66,308
Interest rate-related agreements (1), fair value	0	0
Foreign currency exchange forwards, Fair value	0	0
Interest rate lock commitments to originate residential mortgage loans held for sale, fair value	0	0
Forward commitments to sell residential mortgage loans, fair value	0	0
Purchased options (time deposit), fair value	0	0
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, Fair value	0	0
Brokered CDs and other time deposits, Fair value	0	0
Short-term funding, Fair value	0	0
Long-term funding, fair value	0	0
Accrued interest payable, Fair value	1,520	7,994
Interest rate-related agreements (1), Fair value	0	0
Foreign currency exchange forwards, Fair value	0	0
Standby letters of credit (2), Fair value	0	0
Forward commitments to sell residential mortgage loans	0	0
Written option (time deposit), fair value	0	0
Fair Value, Inputs, Level 2 [Member]
Financial assets
Cash and due from banks, Fair Value	0	0
Interest-bearing deposits in other financial institutions, Fair value	0	0
Federal funds sold and securities purchased under agreements to resell, Fair value	0	0
Investment securities held to maturity, fair value	193,146	169,889
Investment securities available for sale, fair value	5,273,432	5,246,046
Federal Home Loan Bank and Federal Reserve Bank stocks, Fair value	181,360	181,249
Loans held for sale, fair value	46,529	64,738
Loans, net Fair value	0	0
Bank owned life insurance, Fair value	568,631	568,413
Accrued interest receivable, Fair value	0	0
Interest rate-related agreements (1), fair value	40,078	42,980
Foreign currency exchange forwards, Fair value	744	748
Interest rate lock commitments to originate residential mortgage loans held for sale, fair value	0	0
Forward commitments to sell residential mortgage loans, fair value	0	0
Purchased options (time deposit), fair value	7,490	7,328
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, Fair value	0	0
Brokered CDs and other time deposits, Fair value	1,626,978	1,687,198
Short-term funding, Fair value	1,247,906	740,926
Long-term funding, fair value	2,924,315	3,085,893
Accrued interest payable, Fair value	0	0
Interest rate-related agreements (1), Fair value	42,843	45,815
Foreign currency exchange forwards, Fair value	607	655
Standby letters of credit (2), Fair value	3,844	3,754
Forward commitments to sell residential mortgage loans	0	0
Written option (time deposit), fair value	7,490	7,328
Fair Value, Inputs, Level 3 [Member]
Financial assets
Cash and due from banks, Fair Value	0	0
Interest-bearing deposits in other financial institutions, Fair value	0	0
Federal funds sold and securities purchased under agreements to resell, Fair value	0	0
Investment securities held to maturity, fair value	0	0
Investment securities available for sale, fair value	227	299
Federal Home Loan Bank and Federal Reserve Bank stocks, Fair value	0	0
Loans held for sale, fair value	0	0
Loans, net Fair value	16,224,051	15,599,094
Bank owned life insurance, Fair value	0	0
Accrued interest receivable, Fair value	0	0
Interest rate-related agreements (1), fair value	0	0
Foreign currency exchange forwards, Fair value	0	0
Interest rate lock commitments to originate residential mortgage loans held for sale, fair value	791	416
Forward commitments to sell residential mortgage loans, fair value	512	1,301
Purchased options (time deposit), fair value	0	0
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, Fair value	15,885,280	15,581,971
Brokered CDs and other time deposits, Fair value	0	0
Short-term funding, Fair value	0	0
Long-term funding, fair value	0	0
Accrued interest payable, Fair value	0	0
Interest rate-related agreements (1), Fair value	0	0
Foreign currency exchange forwards, Fair value	0	0
Standby letters of credit (2), Fair value	0	0
Forward commitments to sell residential mortgage loans	0	0
Written option (time deposit), fair value	$ 0	$ 0

XML

Commitments, Off-Balance Sheet Arrangements and Contingent Liabilities Summary of Lending Related and Other Commitments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Commitments to Extend Credit [Member]
Summary of lending-related and other commitments
Lending related commitments	$ 6,235,837	[1],[2]	$ 6,367,771	[1],[2]
Commercial Letters Of Credit [Member]
Summary of lending-related and other commitments
Lending related commitments	132,590	[1]	132,777	[1]
Standby Letters of Credit [Member]
Summary of lending-related and other commitments
Lending related commitments	$ 258,919	[3]	$ 250,030	[3]

[1]  (1)        These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and is not material at March 31, 2014 or December 31, 2013.

[2] (2)        Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

[3] (3)        The Corporation has established a liability of $4 million at both March 31, 2014 and December 31, 2013, as an estimate of the fair value of these financial instruments.

XML

Loans, Allowance for Loan Losses, and Credit Quality Loans by Past Due Status (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Summarized details of Loans
30-59 Days Past Due	$ 40,350	$ 43,388
60-89 Days Past Due	17,673	33,281
90 Days or More Past Due	64,076	86,863
Total Past Due	122,099	163,532
Current	16,319,345	15,732,729
Total loans	16,441,444	15,896,261
Commercial And Industrial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	6,879	4,388
60-89 Days Past Due	2,255	5,200
90 Days or More Past Due	4,147	10,964
Total Past Due	13,281	20,552
Current	5,208,860	4,802,128
Total loans	5,222,141	4,822,680
Commercial Real Estate Owner Occupied Portfolio [Member]
Summarized details of Loans
30-59 Days Past Due	6,332	3,497
60-89 Days Past Due	1,037	3,815
90 Days or More Past Due	3,641	11,125
Total Past Due	11,010	18,437
Current	1,087,079	1,096,278
Total loans	1,098,089	1,114,715
Finance Leases Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	596	0
60-89 Days Past Due	0	0
90 Days or More Past Due	10	69
Total Past Due	606	69
Current	51,894	55,414
Total loans	52,500	55,483
Commercial And Business Lending [Member]
Summarized details of Loans
30-59 Days Past Due	13,807	7,885
60-89 Days Past Due	3,292	9,015
90 Days or More Past Due	7,798	22,158
Total Past Due	24,897	39,058
Current	6,347,833	5,953,820
Total loans	6,372,730	5,992,878
Commercial Real Estate Investor Portfolio Segment [Member]
Summarized details of Loans
30-59 Days Past Due	7,414	12,489
60-89 Days Past Due	5,521	15,033
90 Days or More Past Due	17,037	20,466
Total Past Due	29,972	47,988
Current	2,971,247	2,891,468
Total loans	3,001,219	2,939,456
Commercial Real Estate Construction Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	316	3,212
60-89 Days Past Due	408	1,118
90 Days or More Past Due	2,529	2,267
Total Past Due	3,253	6,597
Current	966,364	889,651
Total loans	969,617	896,248
Commercial Real Estate Lending [Member]
Summarized details of Loans
30-59 Days Past Due	7,730	15,701
60-89 Days Past Due	5,929	16,151
90 Days or More Past Due	19,566	22,733
Total Past Due	33,225	54,585
Current	3,937,611	3,781,119
Total loans	3,970,836	3,835,704
Commercial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	21,537	23,586
60-89 Days Past Due	9,221	25,166
90 Days or More Past Due	27,364	44,891
Total Past Due	58,122	93,643
Current	10,285,444	9,734,939
Total loans	10,343,566	9,828,582
Home Equity [Member]
Summarized details of Loans
30-59 Days Past Due	9,938	10,336
60-89 Days Past Due	3,921	3,704
90 Days or More Past Due	11,746	14,677
Total Past Due	25,605	28,717
Current	1,736,397	1,796,297
Total loans	1,762,002	1,825,014
Installment [Member]
Summarized details of Loans
30-59 Days Past Due	1,090	1,014
60-89 Days Past Due	465	289
90 Days or More Past Due	719	926
Total Past Due	2,274	2,229
Current	391,047	404,845
Total loans	393,321	407,074
Residential, Prime, Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	7,785	8,452
60-89 Days Past Due	4,066	4,122
90 Days or More Past Due	24,247	26,369
Total Past Due	36,098	38,943
Current	3,906,457	3,796,648
Total loans	3,942,555	3,835,591
Consumer Loan [Member]
Summarized details of Loans
30-59 Days Past Due	18,813	19,802
60-89 Days Past Due	8,452	8,115
90 Days or More Past Due	36,712	41,972
Total Past Due	63,977	69,889
Current	6,033,901	5,997,790
Total loans	6,097,878	6,067,679
Accruing Loans [Member]
Summarized details of Loans
30-59 Days Past Due	28,306	29,071
60-89 Days Past Due	5,182	23,978
90 Days or More Past Due	723	2,350
Total Past Due	34,211	55,399
Current	16,229,255	15,655,434
Total loans	16,263,466	15,710,833
Accruing Loans [Member] | Commercial And Industrial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	3,484	3,390
60-89 Days Past Due	642	3,436
90 Days or More Past Due	16	1,199
Total Past Due	4,142	8,025
Current	5,179,511	4,776,936
Total loans	5,183,653	4,784,961
Accruing Loans [Member] | Commercial Real Estate Owner Occupied Portfolio [Member]
Summarized details of Loans
30-59 Days Past Due	5,292	1,015
60-89 Days Past Due	50	2,091
90 Days or More Past Due	0	0
Total Past Due	5,342	3,106
Current	1,066,012	1,081,945
Total loans	1,071,354	1,085,051
Accruing Loans [Member] | Finance Leases Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	567	0
60-89 Days Past Due	0	0
90 Days or More Past Due	0	0
Total Past Due	567	0
Current	51,761	55,414
Total loans	52,328	55,414
Accruing Loans [Member] | Commercial And Business Lending [Member]
Summarized details of Loans
30-59 Days Past Due	9,343	4,405
60-89 Days Past Due	692	5,527
90 Days or More Past Due	16	1,199
Total Past Due	10,051	11,131
Current	6,297,284	5,914,295
Total loans	6,307,335	5,925,426
Accruing Loans [Member] | Commercial Real Estate Investor Portfolio Segment [Member]
Summarized details of Loans
30-59 Days Past Due	5,582	9,081
60-89 Days Past Due	1,606	14,134
90 Days or More Past Due	0	0
Total Past Due	7,188	23,215
Current	2,960,420	2,878,645
Total loans	2,967,608	2,901,860
Accruing Loans [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	295	836
60-89 Days Past Due	384	1,118
90 Days or More Past Due	0	0
Total Past Due	679	1,954
Current	962,271	887,827
Total loans	962,950	889,781
Accruing Loans [Member] | Commercial Real Estate Lending [Member]
Summarized details of Loans
30-59 Days Past Due	5,877	9,917
60-89 Days Past Due	1,990	15,252
90 Days or More Past Due	0	0
Total Past Due	7,867	25,169
Current	3,922,691	3,766,472
Total loans	3,930,558	3,791,641
Accruing Loans [Member] | Commercial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	15,220	14,322
60-89 Days Past Due	2,682	20,779
90 Days or More Past Due	16	1,199
Total Past Due	17,918	36,300
Current	10,219,975	9,680,767
Total loans	10,237,893	9,717,067
Accruing Loans [Member] | Home Equity [Member]
Summarized details of Loans
30-59 Days Past Due	8,114	8,611
60-89 Days Past Due	1,705	2,069
90 Days or More Past Due	68	346
Total Past Due	9,887	11,026
Current	1,729,630	1,788,821
Total loans	1,739,517	1,799,847
Accruing Loans [Member] | Installment [Member]
Summarized details of Loans
30-59 Days Past Due	1,004	885
60-89 Days Past Due	265	265
90 Days or More Past Due	586	637
Total Past Due	1,855	1,787
Current	390,551	404,173
Total loans	392,406	405,960
Accruing Loans [Member] | Residential, Prime, Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	3,968	5,253
60-89 Days Past Due	530	865
90 Days or More Past Due	53	168
Total Past Due	4,551	6,286
Current	3,889,099	3,781,673
Total loans	3,893,650	3,787,959
Accruing Loans [Member] | Consumer Loan [Member]
Summarized details of Loans
30-59 Days Past Due	13,086	14,749
60-89 Days Past Due	2,500	3,199
90 Days or More Past Due	707	1,151
Total Past Due	16,293	19,099
Current	6,009,280	5,974,667
Total loans	6,025,573	5,993,766
Nonaccrual Loan [Member]
Summarized details of Loans
30-59 Days Past Due	12,044	14,317
60-89 Days Past Due	12,491	9,303
90 Days or More Past Due	63,353	84,513
Total Past Due	87,888	108,133
Current	90,090	77,295
Total loans	177,978	185,428
Nonaccrual Loan [Member] | Commercial And Industrial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	3,395	998
60-89 Days Past Due	1,613	1,764
90 Days or More Past Due	4,131	9,765
Total Past Due	9,139	12,527
Current	29,349	25,192
Total loans	38,488	37,719
Nonaccrual Loan [Member] | Commercial Real Estate Owner Occupied Portfolio [Member]
Summarized details of Loans
30-59 Days Past Due	1,040	2,482
60-89 Days Past Due	987	1,724
90 Days or More Past Due	3,641	11,125
Total Past Due	5,668	15,331
Current	21,067	14,333
Total loans	26,735	29,664
Nonaccrual Loan [Member] | Finance Leases Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	29	0
60-89 Days Past Due	0	0
90 Days or More Past Due	10	69
Total Past Due	39	69
Current	133	0
Total loans	172	69
Nonaccrual Loan [Member] | Commercial And Business Lending [Member]
Summarized details of Loans
30-59 Days Past Due	4,464	3,480
60-89 Days Past Due	2,600	3,488
90 Days or More Past Due	7,782	20,959
Total Past Due	14,846	27,927
Current	50,549	39,525
Total loans	65,395	67,452
Nonaccrual Loan [Member] | Commercial Real Estate Investor Portfolio Segment [Member]
Summarized details of Loans
30-59 Days Past Due	1,832	3,408
60-89 Days Past Due	3,915	899
90 Days or More Past Due	17,037	20,466
Total Past Due	22,784	24,773
Current	10,827	12,823
Total loans	33,611	37,596
Nonaccrual Loan [Member] | Commercial Real Estate Construction Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	21	2,376
60-89 Days Past Due	24	0
90 Days or More Past Due	2,529	2,267
Total Past Due	2,574	4,643
Current	4,093	1,824
Total loans	6,667	6,467
Nonaccrual Loan [Member] | Commercial Real Estate Lending [Member]
Summarized details of Loans
30-59 Days Past Due	1,853	5,784
60-89 Days Past Due	3,939	899
90 Days or More Past Due	19,566	22,733
Total Past Due	25,358	29,416
Current	14,920	14,647
Total loans	40,278	44,063
Nonaccrual Loan [Member] | Commercial Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	6,317	9,264
60-89 Days Past Due	6,539	4,387
90 Days or More Past Due	27,348	43,692
Total Past Due	40,204	57,343
Current	65,469	54,172
Total loans	105,673	111,515
Nonaccrual Loan [Member] | Home Equity [Member]
Summarized details of Loans
30-59 Days Past Due	1,824	1,725
60-89 Days Past Due	2,216	1,635
90 Days or More Past Due	11,678	14,331
Total Past Due	15,718	17,691
Current	6,767	7,476
Total loans	22,485	25,167
Nonaccrual Loan [Member] | Installment [Member]
Summarized details of Loans
30-59 Days Past Due	86	129
60-89 Days Past Due	200	24
90 Days or More Past Due	133	289
Total Past Due	419	442
Current	496	672
Total loans	915	1,114
Nonaccrual Loan [Member] | Residential, Prime, Financing Receivable [Member]
Summarized details of Loans
30-59 Days Past Due	3,817	3,199
60-89 Days Past Due	3,536	3,257
90 Days or More Past Due	24,194	26,201
Total Past Due	31,547	32,657
Current	17,358	14,975
Total loans	48,905	47,632
Nonaccrual Loan [Member] | Consumer Loan [Member]
Summarized details of Loans
30-59 Days Past Due	5,727	5,053
60-89 Days Past Due	5,952	4,916
90 Days or More Past Due	36,005	40,821
Total Past Due	47,684	50,790
Current	24,621	23,123
Total loans	$ 72,305	$ 73,913

XML

Fair Value Measurements Asset and Liabilities Measured at Fair Value on a Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Investment securities available for sale:
Investment securities available for sale, fair value	$ 5,277,908	$ 5,250,585
Trading assets	40,822	43,728
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	43,450	46,470
Fair Value, Inputs, Level 3 [Member] | Federal agency securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0
Fair Value, Measurements, Recurring [Member]
Investment securities available for sale:
Trading assets	49,615	52,773
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	50,940	53,798
Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	1,002	1,002
Fair Value, Measurements, Recurring [Member] | Federal agency securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	665,344	676,080
Fair Value, Measurements, Recurring [Member] | Government-Sponsored Enterprise (GSE) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	3,769,242	3,838,430
Fair Value, Measurements, Recurring [Member] | Private Label [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	2,697	3,014
Fair Value, Measurements, Recurring [Member] | GNMA commercial mortgage-related securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	813,567	647,477
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	21,282	23,059
Fair Value, Measurements, Recurring [Member] | Other Debt And Other Equity Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	4,774	61,523
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	4,249	4,240
Trading assets	0	0
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	1,002	1,002
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Federal agency securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Government-Sponsored Enterprise (GSE) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Private Label [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | GNMA commercial mortgage-related securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Debt And Other Equity Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	3,247	3,238
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	5,273,432	5,246,046
Trading assets	48,312	51,056
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	50,940	53,798
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Federal agency securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	665,344	676,080
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Government-Sponsored Enterprise (GSE) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	3,769,242	3,838,430
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Private Label [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	2,697	3,014
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | GNMA commercial mortgage-related securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	813,567	647,477
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	21,282	23,059
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Debt And Other Equity Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	1,300	57,986
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	227	299
Trading assets	1,303	1,717
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | US Treasury Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Federal agency securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value		0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Government-Sponsored Enterprise (GSE) [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Private Label [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | GNMA commercial mortgage-related securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	0	0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Debt And Other Equity Securities [Member]
Investment securities available for sale:
Investment securities available for sale, fair value	$ 227	$ 299

XML

Segment Reporting Selected Segment Income Statement and Balance Sheet Data (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Income Statement Data Abstract
Net interest income	$ 164,973	$ 157,653
Noninterest income	73,521	82,000
Total revenue	238,494	239,653
Provision for credit losses	5,000	3,300
Noninterest expense	167,658	167,615
Income before income taxes	65,836	68,738
Income tax expense	20,637	21,350
Net income	45,199	47,388
Return on average allocated capital	9.40%	10.10%
Segment Balance Sheet Data
Average earning assets	21,892,503	20,680,919
Average loans	16,164,617	15,448,152
Average deposits	16,990,272	17,146,384
Average allocated capital	1,899,535	1,856,431
Commercial Banking Segment [Member]
Segment Income Statement Data Abstract
Net interest income	73,543	77,180
Noninterest income	24,234	23,169
Total revenue	97,777	100,349
Provision for credit losses	13,032	12,213
Noninterest expense	47,268	46,644
Income before income taxes	37,477	41,492
Income tax expense	13,117	14,522
Net income	24,360	26,970
Return on average allocated capital	12.50%	14.50%
Segment Balance Sheet Data
Average earning assets	8,850,984	8,156,150
Average loans	8,843,070	8,145,829
Average deposits	5,241,027	5,374,633
Average allocated capital	787,257	754,004
Consumer Banking Segment [Member]
Segment Income Statement Data Abstract
Net interest income	71,997	79,191
Noninterest income	43,448	54,195
Total revenue	115,445	133,386
Provision for credit losses	4,948	4,472
Noninterest expense	99,482	102,513
Income before income taxes	11,015	26,401
Income tax expense	3,855	9,240
Net income	7,160	17,161
Return on average allocated capital	5.90%	12.80%
Segment Balance Sheet Data
Average earning assets	7,230,394	7,298,554
Average loans	7,230,394	7,298,554
Average deposits	9,539,887	9,598,352
Average allocated capital	488,425	543,345
Other Segment [Member]
Segment Income Statement Data Abstract
Net interest income	19,433	1,282
Noninterest income	5,839	4,636
Total revenue	25,272	5,918
Provision for credit losses	(12,980)	(13,385)
Noninterest expense	20,908	18,458
Income before income taxes	17,344	845
Income tax expense	3,665	(2,412)
Net income	13,679	3,257
Return on average allocated capital	8.10%	1.40%
Segment Balance Sheet Data
Average earning assets	5,811,125	5,226,215
Average loans	91,153	3,769
Average deposits	2,209,358	2,173,399
Average allocated capital	$ 623,853	$ 559,082

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Fair Value Measurements Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Available-for-sale Securities [Member]
Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)
Beginning Balance	$ 299	$ 480
Total net gain (losses) included in income:
Sale of investment securities	6	(111)
Total net losses included in other comprehensive income
Unrealized investment securities gains (losses)	(78)	(70)
Ending Balance	227	299
Derivatives [Member]
Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)
Beginning Balance	1,717	7,647
Total net gain (losses) included in income:
Mortgage derivative gain (loss), net	(414)	(5,930)
Total net losses included in other comprehensive income
Ending Balance	$ 1,303	$ 1,717

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Derivative and Hedging Activities (Details Textuals) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Derivative and Hedging Activities (Textuals) [Abstract]
Investment securities and cash equivalents pledged as collateral	$ 39	$ 42
Derivative collateral right to reclaim cash	$ 9	$ 6

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New Accounting Pronouncements Adopted (Policies)

3 Months Ended

Mar. 31, 2014

New Accounting Pronouncements Adopted [Abstract]

Income Taxes

In July 2013, the FASB issued an amendment to clarify the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. An unrecognized tax benefit, or a portion of an unrecognized tax benefit, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as follows. To the extent a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. This amendment is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013 and should be applied prospectively. The Corporation adopted the accounting standard during the first quarter of 2014, as required, with no material impact on its results of operations, financial position, or liquidity.

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Investment Securities OTTI Credit Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Credit loss portion of other than temporary impairment
Credit-related other-than-temporary impairment	$ (5,514)	$ (6,279)	$ (6,868)
Reduction due to credit impaired securities sold	765	589
Collateralized Mortgage Backed Securities [Member]
Credit loss portion of other than temporary impairment
Credit-related other-than-temporary impairment	0	0	(532)
Reduction due to credit impaired securities sold	0	532
Trust Preferred Debt Securities [Member]
Credit loss portion of other than temporary impairment
Credit-related other-than-temporary impairment	(5,514)	(6,279)	(6,336)
Reduction due to credit impaired securities sold	$ 765	$ 57

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Stock Based Compensation Restricted Stock Activity (Details) (Restricted Stock Award [Member], USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Restricted Stock Award [Member]
Summary of Restricted Stock Awards Activity (Excluding Salary Shares)
Outstanding Shares, Beginning balance	1,511,765	932,425
Granted, Shares	1,116,086	1,276,868
Vested, Shares	(477,210)	(626,480)
Forfeited, Shares	(21,566)	(71,048)
Outstanding Shares, Ending balance	2,129,075	1,511,765
Outstanding, Weighted Average Grant Date Fair Value, Beginning balance	$ 13.92	$ 13.60
Granted, Weighted Average Grant Date Fair Value	$ 17.41	$ 14.03
Vested, Weighted Average Grant Date Fair Value	$ 13.94	$ 13.68
Forfeited, Weighted Average Grant Date Fair Value	$ 14.00	$ 13.92
Outstanding Weighted Average Grant Date Fair Value, Ending balance	$ 15.74	$ 13.92

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Commitments, Off-Balance Sheet Arrangements and Contingent Liabilities (Details Textuals) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Loss contingency reserve	$ 22,000,000	$ 22,000,000
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Abstract]
Standby letters of credit Fair value	3,844,000	3,754,000
Carrying value of investments	32,000,000	33,000,000
Commitments under unconsolidated projects	14,000,000	16,000,000
Residential mortgage loans sold with recourse risk	43,000,000	56,000,000
Residential mortgage loans sold with credit recourse risk	219,000,000	233,000,000
Loans sold to outside investors original amount	17,900,000,000
Loans sold to outside investors remaining outstanding amount	7,600,000,000
Loans repurchased under make whole requests	1,000,000	3,000,000
Loss reimbursements under make whole requests	$ 274,000	$ 3,000,000

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Selected segment information

Segment Income Statement Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2014
Net interest income		$	73,543		$	71,997		$	19,433		$	164,973
Noninterest income			24,234			43,448			5,839			73,521
	Total revenue		97,777			115,445			25,272			238,494
Credit provision *			13,032			4,948			(12,980)			5,000
Noninterest expense			47,268			99,482			20,908			167,658
Income before income taxes			37,477			11,015			17,344			65,836
Income tax expense			13,117			3,855			3,665			20,637
Net income		$	24,360		$	7,160		$	13,679		$	45,199
Return on average allocated capital (ROT1CE) **			12.5	%		5.9	%		8.1	%		9.4	%
Three Months Ended March 31, 2013
Net interest income		$	77,180		$	79,191		$	1,282		$	157,653
Noninterest income			23,169			54,195			4,636			82,000
	Total revenue		100,349			133,386			5,918			239,653
Credit provision *			12,213			4,472			(13,385)			3,300
Noninterest expense			46,644			102,513			18,458			167,615
Income before income taxes			41,492			26,401			845			68,738
Income tax expense (benefit)			14,522			9,240			(2,412)			21,350
Net income		$	26,970		$	17,161		$	3,257		$	47,388
Return on average allocated capital (ROT1CE) **			14.5	%		12.8	%		1.4	%		10.1	%
Segment Balance Sheet Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Average Balances for 1Q 2014
Average earning assets		$	8,850,984		$	7,230,394		$	5,811,125		$	21,892,503
Average loans			8,843,070			7,230,394			91,153			16,164,617
Average deposits			5,241,027			9,539,887			2,209,358			16,990,272
Average allocated capital (T1CE) **		$	787,257		$	488,425		$	623,853		$	1,899,535
Average Balances for 1Q 2013
Average earning assets		$	8,156,150		$	7,298,554		$	5,226,215		$	20,680,919
Average loans			8,145,829			7,298,554			3,769			15,448,152
Average deposits			5,374,633			9,598,352			2,173,399			17,146,384
Average allocated capital (T1CE) **		$	754,004		$	543,345		$	559,082		$	1,856,431
* The consolidated credit provision is equal to the actual reported provision for credit losses.
** ROT1CE reflects return on average allocated Tier 1 common equity ("T1CE"). The ROT1CE for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.

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Loans, Allowance for Loan Losses, and Credit Quality Loan Composition (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Loan composition
Commercial and industrial	$ 5,222,141	$ 4,822,680
Commercial real estate - owner occupied	1,098,089	1,114,715
Lease financing	52,500	55,483
Commercial and business lending	6,372,730	5,992,878
Commercial real estate - investor	3,001,219	2,939,456
Real estate construction	969,617	896,248
Commercial real estate lending	3,970,836	3,835,704
Total commercial	10,343,566	9,828,582
Home equity	1,762,002	1,825,014
Installment	393,321	407,074
Residential mortgage	3,942,555	3,835,591
Total consumer	6,097,878	6,067,679
Total loans	$ 16,441,444	$ 15,896,261

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Short and Long-term Funding (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2011
Short-term Funding
Federal funds purchased	$ 391,075,000	$ 56,195,000
Securities sold under agreements to repurchase	548,179,000	419,247,000
Federal funds purchased and securities sold under agreements to repurchase	939,254,000	475,442,000
Federal Home Loan Bank ("FHLB") short-term advances	225,000,000	200,000,000
Commercial paper	83,652,000	65,484,000
Other short-term funding	308,652,000	265,484,000
Total short-term funding	1,247,906,000	740,926,000
Long-term Funding
Federal Home Loan Bank long-term advances	2,500,288,000	2,500,297,000
Senior notes , at par	430,000,000	585,000,000
Other long-term funding and capitalized costs	1,752,000	1,970,000
Total long-term funding	2,932,040,000	3,087,267,000
Total short and long-term funding	4,179,946,000	3,828,193,000
Long-term Funding (Textuals) [Abstract]
Weighted average interest rate of Long-term advances	0.11%	0.10%
New senior debt issued			$ 155,000,000	$ 130,000,000	$ 300,000,000
Debt instrument description	reprice at varying intervals, including $1.0 billion repricing at four week intervals, $750 million repricing at 13 week intervals, and $750 million repricing daily
Debt instrument description of variable rate basis	FHLB discount note plus 6 basis points
Senior Notes [Member]
Long Term Debt Disclosure [Line Items]
Percentage of interest rate on senior notes				5.125%	5.125%

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Loans, Allowance for Loan Losses, and Credit Quality Troubled Debt Restructurings Subsequent Default (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Financing Receivable, Modifications [Line Items]
Number of Loans	21	17
Recorded Investment	$ 2,320	$ 3,758
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	7
Recorded Investment	0	1,170
Commercial Real Estate Owner Occupied Portfolio [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	1
Recorded Investment	0	74
Commercial Real Estate Investor Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	3
Recorded Investment	0	1,781
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	0
Recorded Investment	161	0
Home Equity Port Folio Segments [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	7	3
Recorded Investment	388	109
Installment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	0
Recorded Investment	10	0
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	12	3
Recorded Investment	$ 1,761	$ 624

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Investment securities HTM Contractual Maturity Table (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Amortized cost and fair values of investment securities held to maturity
Securities held to maturity, debt securities due in one year or less, amortized cost	$ 0
Securities held to maturity, debt securities due after one year through five years, amortized cost	230
Securities held to maturity, debt securities due after five years through ten years, amortized cost	82,187
Securities held to maturity, debt securities due after ten years, amortized cost	111,342
Total held to maturity debt securities, amortized Cost	193,759	175,210
Securities held to maturity, debt securities due in one year or less, fair value	0
Securities held to maturity, debt securities due in one year through five years, fair value	231
Securities held to maturity, debt securities due after five years through ten years, fair value	81,033
Securities held to maturity, debt securities due after ten years, fair value	111,882
Investment securities held to maturity, fair value	$ 193,146	$ 169,889
Ratio of Fair Value to Amortized Cost, HTM	99.70%

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Basis of Presentation

3 Months Ended

Mar. 31, 2014

Basis of Presentation [Abstract]

Basis of Presentation

NOTE 1: Basis of Presentation

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the financial position, results of operations and comprehensive income, changes in stockholders' equity, and cash flows of Associated Banc-Corp (individually referred to herein as the “Parent Company,” and together with all of its subsidiaries and affiliates, collectively referred to herein as the “Corporation”) for the periods presented, and all such adjustments are of a normal recurring nature. The consolidated financial statements include the accounts of all subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year.

Certain amounts in the consolidated financial statements of prior periods have been reclassified to conform with the current period's presentation. The consolidated statements of income were modified from prior periods' presentation to conform with the current period presentation, which shows a new provision for credit losses line item comprised of the provision for loan losses and the provision for unfunded commitments. In prior periods' presentation, the provision for unfunded commitments was reported as a component of losses other than loans in the consolidated statements of income. The presentation of the consolidated balance sheets remains unchanged with the allowance for loan losses presented as a valuation allowance with the related loan asset, while the allowance for unfunded commitments is included in accrued expenses and other liabilities.

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. Estimates that are particularly susceptible to significant change include the determination of the allowance for credit losses, goodwill impairment assessment, mortgage servicing rights valuation, and income taxes. Management has evaluated subsequent events for potential recognition or disclosure.

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Loans, Allowance for Loan Losses, and Credit Quality (Details Textuals) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Loans Allowance for Loan Losses and Credit Quality Disclosure (Textuals) [Abstract]
Interest income recognized on accruing restructured loans	$ 1,000,000	$ 6,000,000
Restructured Loans Subsequently Accruing	2,000,000
Performing Restructured Loans	116,924,000	123,985,000
Nonaccrual Restructured Loans	74,231,000	59,585,000
YTD restructured loans still on nonaccrual	$ 12,000,000

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Stock Based Compensation (Details Textuals) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested share-based payment awards	$ 10,000,000
Stock Based Compensation (Textuals) [Abstract]
Total fair value of vested stock options	7,000,000		9,000,000
Instrinsic value of stock options exercised	1,000,000		2,000,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense for accelerated vesting of stock options	250,000
Recognized compensation expense for vesting of stock options	2,000,000	2,000,000	8,000,000
Total compensation cost not yet recognized, period for recognition	fourth quarter 2018
Restricted Stock Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense for accelerated vesting of stock options	950,000
Recognized compensation expense for vesting of stock options	3,000,000	2,000,000	7,000,000
Unvested share-based payment awards	$ 29,000,000
Total compensation cost not yet recognized, period for recognition	fourth quarter 2018

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Loans, Allowance for Loan Losses, and Credit Quality (Tables)

3 Months Ended

Mar. 31, 2014

Financing Receivable, Impaired [Line Items]

Loan composition

The period end loan composition was as follows.
					March 31,		December 31,
					2014		2013
					($ in Thousands)
Commercial and industrial				$	5,222,141	$	4,822,680
Commercial real estate - owner occupied					1,098,089		1,114,715
Lease financing					52,500		55,483
	Commercial and business lending				6,372,730		5,992,878
Commercial real estate - investor					3,001,219		2,939,456
Real estate construction					969,617		896,248
	Commercial real estate lending				3,970,836		3,835,704
		Total commercial			10,343,566		9,828,582
Home equity					1,762,002		1,825,014
Installment					393,321		407,074
Residential mortgage					3,942,555		3,835,591
		Total consumer			6,097,878		6,067,679
			Total loans	$	16,441,444	$	15,896,261

Changes in the allowance for loan losses

A summary of the changes in the allowance for credit losses was as follows.
		Three Months Ended		Year Ended
		March 31, 2014		December 31, 2013
			($ in Thousands)
Allowance for Loan Losses:
Balance at beginning of period		$	268,315	$	297,409
Provision for loan losses			5,000		10,000
Charge offs			(11,361)		(88,061)
Recoveries			5,962		48,967
	Net charge offs		(5,399)		(39,094)
Balance at end of period		$	267,916	$	268,315
Allowance for Unfunded Commitments:
Balance at beginning of period		$	21,900	$	21,800
Provision for unfunded commitments			-		100
Balance at end of period		$	21,900	$	21,900
Allowance for Credit Losses		$	289,816	$	290,215

Changes in the allowance for loan losses by portfolio segment

$ in Thousands	Commercial and industrial		Commercial real estate - owner occupied		Lease financing		Commercial real estate - investor		Real estate construction			Home equity	Installment		Residential mortgage			Total
Balance at Dec 31, 2013	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Provision for loan losses		9,593		(97)		374		(3,325)		(2,341)		495		96		205		5,000
Charge offs		(5,334)		(163)		-		(302)		(271)		(3,581)		(307)		(1,403)		(11,361)
Recoveries		2,609		287		-		1,333		158		1,134		194		247		5,962
Balance at Mar 31, 2014	$	111,369	$	19,503	$	1,981	$	55,862	$	20,964	$	30,244	$	2,399	$	25,594	$	267,916
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	6,978	$	1,322	$	-	$	3,983	$	203	$	4	$	-	$	259	$	12,749
Ending balance impaired loans collectively evaluated for impairment	$	3,667	$	1,864	$	69	$	4,141	$	1,947	$	13,095	$	448	$	11,829	$	37,060
Total impaired loans	$	10,645	$	3,186	$	69	$	8,124	$	2,150	$	13,099	$	448	$	12,088	$	49,809
Ending balance all other loans collectively evaluated for impairment	$	100,724	$	16,317	$	1,912	$	47,738	$	18,814	$	17,145	$	1,951	$	13,506	$	218,107
Total	$	111,369	$	19,503	$	1,981	$	55,862	$	20,964	$	30,244	$	2,399	$	25,594	$	267,916
Loans:
Ending balance impaired loans individually evaluated for impairment	$	31,526	$	21,580	$	-	$	28,790	$	3,930	$	427	$	-	$	9,966	$	96,219
Ending balance impaired loans collectively evaluated for impairment	$	34,738	$	16,734	$	172	$	50,841	$	5,691	$	31,630	$	1,140	$	57,737	$	198,683
Total impaired loans	$	66,264	$	38,314	$	172	$	79,631	$	9,621	$	32,057	$	1,140	$	67,703	$	294,902
Ending balance all other loans collectively evaluated for impairment	$	5,155,877	$	1,059,775	$	52,328	$	2,921,588	$	959,996	$	1,729,945	$	392,181	$	3,874,852	$	16,146,542
Total	$	5,222,141	$	1,098,089	$	52,500	$	3,001,219	$	969,617	$	1,762,002	$	393,321	$	3,942,555	$	16,441,444

$ in Thousands	Commercial and industrial		Commercial real estate - owner occupied			Lease financing	Commercial real estate - investor		Real estate construction		Home equity		Installment		Residential mortgage			Total
Balance at Dec 31, 2012	$	97,852	$	27,389	$	3,024	$	63,181	$	20,741	$	56,826	$	4,299	$	24,097	$	297,409
Provision for loan losses		12,930		(1,778)		(1,429)		(2,140)		541		(8,213)		(2,127)		12,216		10,000
Charge offs		(35,146)		(6,474)		(206)		(9,846)		(3,375)		(20,629)		(1,389)		(10,996)		(88,061)
Recoveries		28,865		339		218		6,961		5,511		4,212		1,633		1,228		48,967
Balance at Dec 31, 2013	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	7,994	$	1,019	$	-	$	3,932	$	254	$	123	$	-	$	315	$	13,637
Ending balance impaired loans collectively evaluated for impairment	$	3,923	$	1,936	$	29	$	3,963	$	2,162	$	13,866	$	487	$	11,872	$	38,238
Total impaired loans	$	11,917	$	2,955	$	29	$	7,895	$	2,416	$	13,989	$	487	$	12,187	$	51,875
Ending balance all other loans collectively evaluated for impairment	$	92,584	$	16,521	$	1,578	$	50,261	$	21,002	$	18,207	$	1,929	$	14,358	$	216,440
Total	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Loans:
Ending balance impaired loans individually evaluated for impairment	$	29,343	$	24,744	$	-	$	32,367	$	3,777	$	929	$	-	$	10,526	$	101,686
Ending balance impaired loans collectively evaluated for impairment	$	40,893	$	17,929	$	69	$	50,175	$	6,483	$	33,871	$	1,360	$	56,947	$	207,727
Total impaired loans	$	70,236	$	42,673	$	69	$	82,542	$	10,260	$	34,800	$	1,360	$	67,473	$	309,413
Ending balance all other loans collectively evaluated for impairment	$	4,752,444	$	1,072,042	$	55,414	$	2,856,914	$	885,988	$	1,790,214	$	405,714	$	3,768,118	$	15,586,848
Total	$	4,822,680	$	1,114,715	$	55,483	$	2,939,456	$	896,248	$	1,825,014	$	407,074	$	3,835,591	$	15,896,261

Summarized details of Loans

The following table presents loans by past due status at March 31, 2014.
		30-59 Days Past Due		60-89 Days Past Due	90 Days or More Past Due *			Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,484	$	642	$	16	$	4,142	$	5,179,511	$	5,183,653
Commercial real estate - owner occupied		5,292		50		-		5,342		1,066,012		1,071,354
Lease financing		567		-		-		567		51,761		52,328
Commercial and business lending		9,343		692		16		10,051		6,297,284		6,307,335
Commercial real estate - investor		5,582		1,606		-		7,188		2,960,420		2,967,608
Real estate construction		295		384		-		679		962,271		962,950
Commercial real estate lending		5,877		1,990		-		7,867		3,922,691		3,930,558
Total commercial		15,220		2,682		16		17,918		10,219,975		10,237,893
Home equity		8,114		1,705		68		9,887		1,729,630		1,739,517
Installment		1,004		265		586		1,855		390,551		392,406
Residential mortgage		3,968		530		53		4,551		3,889,099		3,893,650
Total consumer		13,086		2,500		707		16,293		6,009,280		6,025,573
Total accruing loans	$	28,306	$	5,182	$	723	$	34,211	$	16,229,255	$	16,263,466
Nonaccrual loans
Commercial and industrial	$	3,395	$	1,613	$	4,131	$	9,139	$	29,349	$	38,488
Commercial real estate - owner occupied		1,040		987		3,641		5,668		21,067		26,735
Lease financing		29		-		10		39		133		172
Commercial and business lending		4,464		2,600		7,782		14,846		50,549		65,395
Commercial real estate - investor		1,832		3,915		17,037		22,784		10,827		33,611
Real estate construction		21		24		2,529		2,574		4,093		6,667
Commercial real estate lending		1,853		3,939		19,566		25,358		14,920		40,278
Total commercial		6,317		6,539		27,348		40,204		65,469		105,673
Home equity		1,824		2,216		11,678		15,718		6,767		22,485
Installment		86		200		133		419		496		915
Residential mortgage		3,817		3,536		24,194		31,547		17,358		48,905
Total consumer		5,727		5,952		36,005		47,684		24,621		72,305
Total nonaccrual loans	$	12,044	$	12,491	$	63,353	$	87,888	$	90,090	$	177,978
Total loans
Commercial and industrial	$	6,879	$	2,255	$	4,147	$	13,281	$	5,208,860	$	5,222,141
Commercial real estate - owner occupied		6,332		1,037		3,641		11,010		1,087,079		1,098,089
Lease financing		596		-		10		606		51,894		52,500
Commercial and business lending		13,807		3,292		7,798		24,897		6,347,833		6,372,730
Commercial real estate - investor		7,414		5,521		17,037		29,972		2,971,247		3,001,219
Real estate construction		316		408		2,529		3,253		966,364		969,617
Commercial real estate lending		7,730		5,929		19,566		33,225		3,937,611		3,970,836
Total commercial		21,537		9,221		27,364		58,122		10,285,444		10,343,566
Home equity		9,938		3,921		11,746		25,605		1,736,397		1,762,002
Installment		1,090		465		719		2,274		391,047		393,321
Residential mortgage		7,785		4,066		24,247		36,098		3,906,457		3,942,555
Total consumer		18,813		8,452		36,712		63,977		6,033,901		6,097,878
Total loans	$	40,350	$	17,673	$	64,076	$	122,099	$	16,319,345	$	16,441,444
* The recorded investment in loans past due 90 days or more and still accruing totaled $723 thousand at March 31, 2014 (the same as the reported balances for the accruing loans noted above).

The following table presents loans by past due status at December 31, 2013.
		30-59 Days Past Due		60-89 Days Past Due	90 Days or More Past Due *			Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,390	$	3,436	$	1,199	$	8,025	$	4,776,936	$	4,784,961
Commercial real estate - owner occupied		1,015		2,091		-		3,106		1,081,945		1,085,051
Lease financing		-		-		-		-		55,414		55,414
Commercial and business lending		4,405		5,527		1,199		11,131		5,914,295		5,925,426
Commercial real estate - investor		9,081		14,134		-		23,215		2,878,645		2,901,860
Real estate construction		836		1,118		-		1,954		887,827		889,781
Commercial real estate lending		9,917		15,252		-		25,169		3,766,472		3,791,641
Total commercial		14,322		20,779		1,199		36,300		9,680,767		9,717,067
Home equity		8,611		2,069		346		11,026		1,788,821		1,799,847
Installment		885		265		637		1,787		404,173		405,960
Residential mortgage		5,253		865		168		6,286		3,781,673		3,787,959
Total consumer		14,749		3,199		1,151		19,099		5,974,667		5,993,766
Total accruing loans	$	29,071	$	23,978	$	2,350	$	55,399	$	15,655,434	$	15,710,833
Nonaccrual loans
Commercial and industrial	$	998	$	1,764	$	9,765	$	12,527	$	25,192	$	37,719
Commercial real estate - owner occupied		2,482		1,724		11,125		15,331		14,333		29,664
Lease financing		-		-		69		69		-		69
Commercial and business lending		3,480		3,488		20,959		27,927		39,525		67,452
Commercial real estate - investor		3,408		899		20,466		24,773		12,823		37,596
Real estate construction		2,376		-		2,267		4,643		1,824		6,467
Commercial real estate lending		5,784		899		22,733		29,416		14,647		44,063
Total commercial		9,264		4,387		43,692		57,343		54,172		111,515
Home equity		1,725		1,635		14,331		17,691		7,476		25,167
Installment		129		24		289		442		672		1,114
Residential mortgage		3,199		3,257		26,201		32,657		14,975		47,632
Total consumer		5,053		4,916		40,821		50,790		23,123		73,913
Total nonaccrual loans	$	14,317	$	9,303	$	84,513	$	108,133	$	77,295	$	185,428
Total loans
Commercial and industrial	$	4,388	$	5,200	$	10,964	$	20,552	$	4,802,128	$	4,822,680
Commercial real estate - owner occupied		3,497		3,815		11,125		18,437		1,096,278		1,114,715
Lease financing		-		-		69		69		55,414		55,483
Commercial and business lending		7,885		9,015		22,158		39,058		5,953,820		5,992,878
Commercial real estate - investor		12,489		15,033		20,466		47,988		2,891,468		2,939,456
Real estate construction		3,212		1,118		2,267		6,597		889,651		896,248
Commercial real estate lending		15,701		16,151		22,733		54,585		3,781,119		3,835,704
Total commercial		23,586		25,166		44,891		93,643		9,734,939		9,828,582
Home equity		10,336		3,704		14,677		28,717		1,796,297		1,825,014
Installment		1,014		289		926		2,229		404,845		407,074
Residential mortgage		8,452		4,122		26,369		38,943		3,796,648		3,835,591
Total consumer		19,802		8,115		41,972		69,889		5,997,790		6,067,679
Total loans	$	43,388	$	33,281	$	86,863	$	163,532	$	15,732,729	$	15,896,261
* The recorded investment in loans past due 90 days or more and still accruing totaled $2 million at December 31, 2013 (the same as the reported balances for the accruing loans noted above).

Summarized details of impaired Loans

The following table presents impaired loans at March 31, 2014.
		Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
Loans with a related allowance		($ in Thousands)
Commercial and industrial	$	56,650	$	62,196	$	10,645	$	58,237	$	347
Commercial real estate - owner occupied		21,746		24,807		3,186		21,918		164
Lease financing		172		10		69		10		-
Commercial and business lending		78,568		87,013		13,900		80,165		511
Commercial real estate - investor		66,402		76,331		8,124		66,761		529
Real estate construction		7,972		11,841		2,150		8,228		43
Commercial real estate lending		74,374		88,172		10,274		74,989		572
Total commercial		152,942		175,185		24,174		155,154		1,083
Home equity		31,742		36,421		13,099		32,014		336
Installment		1,140		1,392		448		1,167		14
Residential mortgage		59,396		63,493		12,088		59,786		416
Total consumer		92,278		101,306		25,635		92,967		766
Total loans	$	245,220	$	276,491	$	49,809	$	248,121	$	1,849
Loans with no related allowance
Commercial and industrial	$	9,614	$	16,994	$	-	$	11,622	$	9
Commercial real estate - owner occupied		16,568		19,084		-		16,786		5
Lease financing		-		-		-		-		-
Commercial and business lending		26,182		36,078		-		28,408		14
Commercial real estate - investor		13,229		17,725		-		13,311		45
Real estate construction		1,649		2,078		-		1,707		3
Commercial real estate lending		14,878		19,803		-		15,018		48
Total commercial		41,060		55,881		-		43,426		62
Home equity		315		315		-		315		3
Installment		-		-		-		-		-
Residential mortgage		8,307		8,426		-		8,353		27
Total consumer		8,622		8,741		-		8,668		30
Total loans	$	49,682	$	64,622	$	-	$	52,094	$	92
Total
Commercial and industrial	$	66,264	$	79,190	$	10,645	$	69,859	$	356
Commercial real estate - owner occupied		38,314		43,891		3,186		38,704		169
Lease financing		172		10		69		10		-
Commercial and business lending		104,750		123,091		13,900		108,573		525
Commercial real estate - investor		79,631		94,056		8,124		80,072		574
Real estate construction		9,621		13,919		2,150		9,935		46
Commercial real estate lending		89,252		107,975		10,274		90,007		620
Total commercial		194,002		231,066		24,174		198,580		1,145
Home equity		32,057		36,736		13,099		32,329		339
Installment		1,140		1,392		448		1,167		14
Residential mortgage		67,703		71,919		12,088		68,139		443
Total consumer		100,900		110,047		25,635		101,635		796
Total loans	$	294,902	$	341,113	$	49,809	$	300,215	$	1,941
*Interest income recognized included $1 million of interest income recognized on accruing restructured loans for the three months ended March 31, 2014.

The following table presents impaired loans at December 31, 2013.
		Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
Loans with a related allowance		($ in Thousands)
Commercial and industrial	$	57,857	$	65,443	$	11,917	$	61,000	$	1,741
Commercial real estate - owner occupied		22,651		25,072		2,955		24,549		995
Lease financing		69		69		29		76		-
Commercial and business lending		80,577		90,584		14,901		85,625		2,736
Commercial real estate - investor		64,647		68,228		7,895		68,776		2,735
Real estate construction		8,815		12,535		2,416		9,796		236
Commercial real estate lending		73,462		80,763		10,311		78,572		2,971
Total commercial		154,039		171,347		25,212		164,197		5,707
Home equity		34,707		40,344		13,989		36,623		1,518
Installment		1,360		1,676		487		1,753		100
Residential mortgage		60,157		69,699		12,187		62,211		1,861
Total consumer		96,224		111,719		26,663		100,587		3,479
Total loans	$	250,263	$	283,066	$	51,875	$	264,784	$	9,186
Loans with no related allowance
Commercial and industrial	$	12,379	$	19,556	$	-	$	14,291	$	306
Commercial real estate - owner occupied		20,022		22,831		-		20,602		315
Lease financing		-		-		-		-		-
Commercial and business lending		32,401		42,387		-		34,893		621
Commercial real estate - investor		17,895		25,449		-		19,354		130
Real estate construction		1,445		1,853		-		1,576		13
Commercial real estate lending		19,340		27,302		-		20,930		143
Total commercial		51,741		69,689		-		55,823		764
Home equity		93		92		-		94		2
Installment		-		-		-		-		-
Residential mortgage		7,316		8,847		-		7,321		185
Total consumer		7,409		8,939		-		7,415		187
Total loans	$	59,150	$	78,628	$	-	$	63,238	$	951
Total
Commercial and industrial	$	70,236	$	84,999	$	11,917	$	75,291	$	2,047
Commercial real estate - owner occupied		42,673		47,903		2,955		45,151		1,310
Lease financing		69		69		29		76		-
Commercial and business lending		112,978		132,971		14,901		120,518		3,357
Commercial real estate - investor		82,542		93,677		7,895		88,130		2,865
Real estate construction		10,260		14,388		2,416		11,372		249
Commercial real estate lending		92,802		108,065		10,311		99,502		3,114
Total commercial		205,780		241,036		25,212		220,020		6,471
Home equity		34,800		40,436		13,989		36,717		1,520
Installment		1,360		1,676		487		1,753		100
Residential mortgage		67,473		78,546		12,187		69,532		2,046
Total consumer		103,633		120,658		26,663		108,002		3,666
Total loans	$	309,413	$	361,694	$	51,875	$	328,022	$	10,137
*Interest income recognized included $6 million of interest income recognized on accruing restructured loans for the year ended December 31, 2013.

Nonaccrual and Performing Restructured Loans

		March 31, 2014				December 31, 2013
		Performing Restructured Loans		Nonaccrual Restructured Loans *		Performing Restructured Loans		Nonaccrual Restructured Loans *
		($ in Thousands)
Commercial and industrial	$	27,776	$	8,781	$	32,517	$	6,900
Commercial real estate - owner occupied		11,579		15,697		13,009		10,999
Commercial real estate - investor		46,020		14,619		44,946		18,069
Real estate construction		2,954		2,558		3,793		2,065
Home equity		9,572		7,785		9,633		5,419
Installment		225		419		246		451
Residential mortgage		18,798		24,372		19,841		15,682
Total	$	116,924	$	74,231	$	123,985	$	59,585
* Nonaccrual restructured loans have been included with nonaccrual loans.

Summary of Restructured Loans

	Three Months Ended March 31, 2014					Three Months Ended March 31, 2013
	Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)	Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)
	($ in Thousands)
Commercial and industrial	8	$	3,446	$	7,218	22	$	2,844	$	5,315
Commercial real estate - owner occupied	4		5,298		5,781	3		2,217		2,228
Commercial real estate - investor	4		1,643		1,676	5		2,035		2,087
Real estate construction	―		―		―	5		1,960		1,980
Home equity	30		935		1,218	28		1,301		1,385
Installment	1		10		20	1		175		175
Residential mortgage	21		2,750		2,920	25		1,564		1,842
Total	68	$	14,082	$	18,833	89	$	12,096	$	15,012
(1) Represents post-modification outstanding recorded investment.
(2) Represents pre-modification outstanding recorded investment.

Troubled debt restructurings subsequent redefault

	Three Months Ended March 31, 2014			Three Months Ended March 31, 2013
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
	($ in Thousands)
Commercial and industrial	―	$	―	7	$	1,170
Commercial real estate - owner occupied	―		―	1		74
Commercial real estate - investor	―		―	3		1,781
Real estate construction	1		161	―		―
Home equity	7		388	3		109
Installment	1		10	―		―
Residential mortgage	12		1,761	3		624
Total	21	$	2,320	17	$	3,758

Commercial Loan [Member]

Financing Receivable, Impaired [Line Items]

Commercial and Consumer loans by credit quality indicator

The following table presents commercial loans by credit quality indicator at March 31, 2014.
		Pass		Special Mention		Potential Problem		Impaired		Total
		($ in Thousands)
Commercial and industrial	$	4,923,304	$	123,546	$	109,027	$	66,264	$	5,222,141
Commercial real estate - owner occupied		938,769		56,221		64,785		38,314		1,098,089
Lease financing		46,892		2,371		3,065		172		52,500
Commercial and business lending		5,908,965		182,138		176,877		104,750		6,372,730
Commercial real estate - investor		2,835,903		50,895		34,790		79,631		3,001,219
Real estate construction		951,759		3,367		4,870		9,621		969,617
Commercial real estate lending		3,787,662		54,262		39,660		89,252		3,970,836
Total commercial	$	9,696,627	$	236,400	$	216,537	$	194,002	$	10,343,566
The following table presents commercial loans by credit quality indicator at December 31, 2013.
		Pass		Special Mention		Potential Problem		Impaired		Total
		($ in Thousands)
Commercial and industrial	$	4,485,160	$	153,615	$	113,669	$	70,236	$	4,822,680
Commercial real estate - owner occupied		959,849		55,404		56,789		42,673		1,114,715
Lease financing		52,733		897		1,784		69		55,483
Commercial and business lending		5,497,742		209,916		172,242		112,978		5,992,878
Commercial real estate - investor		2,740,255		64,230		52,429		82,542		2,939,456
Real estate construction		877,911		2,814		5,263		10,260		896,248
Commercial real estate lending		3,618,166		67,044		57,692		92,802		3,835,704
Total commercial	$	9,115,908	$	276,960	$	229,934	$	205,780	$	9,828,582

Consumer Loan [Member]

Financing Receivable, Impaired [Line Items]

Commercial and Consumer loans by credit quality indicator

The following table presents consumer loans by credit quality indicator at March 31, 2014.
		Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
		($ in Thousands)
Home equity	$	1,719,075	$	9,819	$	1,051	$	32,057	$	1,762,002
Installment		390,912		1,269		-		1,140		393,321
Residential mortgage		3,868,263		4,498		2,091		67,703		3,942,555
Total consumer	$	5,978,250	$	15,586	$	3,142	$	100,900	$	6,097,878
The following table presents consumer loans by credit quality indicator at December 31, 2013.
		Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
		($ in Thousands)
Home equity	$	1,777,421	$	10,680	$	2,113	$	34,800	$	1,825,014
Installment		404,514		1,150		50		1,360		407,074
Residential mortgage		3,758,688		6,118		3,312		67,473		3,835,591
Total consumer	$	5,940,623	$	17,948	$	5,475	$	103,633	$	6,067,679

XML

Investment Securities (Tables)

3 Months Ended

Mar. 31, 2014

Investment Securities [Abstract]

Investment securities available for sale

						Gross		Gross
				Amortized		unrealized		unrealized
March 31, 2014:				cost		gains		losses			Fair value
					($ in Thousands)
Investment securities available for sale:
	U.S. Treasury securities			$	1,001	$	1	$	0	$	1,002
	Obligations of state and political subdivisions
		(municipal securities)			640,433		25,539		(628)		665,344
	Residential mortgage-related securities:
		Government-sponsored enterprise ("GSE")			3,767,991		60,240		(58,989)		3,769,242
		Private-label			2,699		16		(18)		2,697
	GNMA commercial mortgage-related securities				839,488		1,703		(27,624)		813,567
	Asset-backed securities (1)				21,318		―		(36)		21,282
	Other securities (debt and equity)				4,720		62		(8)		4,774
			Total investment securities available for sale	$	5,277,650	$	87,561	$	(87,303)	$	5,277,908

						Gross		Gross
				Amortized		unrealized		unrealized
December 31, 2013:				cost		gains		losses			Fair value
					($ in Thousands)
Investment securities available for sale:
	U.S. Treasury securities			$	1,001	$	1	$	0	$	1,002
	Obligations of state and political subdivisions
		(municipal securities)			653,758		23,855		(1,533)		676,080
	Residential mortgage-related securities:
		GSE			3,855,467		61,542		(78,579)		3,838,430
		Private-label			3,035		16		(37)		3,014
	GNMA commercial mortgage-related securities				673,555		1,764		(27,842)		647,477
	Asset-backed securities (1)				23,049		10		0		23,059
	Other securities (debt and equity)				60,711		855		(43)		61,523
			Total investment securities available for sale	$	5,270,576	$	88,043	$	(108,034)	$	5,250,585

HeldToMaturitySecuritiesTextBlock

Investment securities held to maturity:
	Obligations of state and political subdivisions
		(municipal securities)		$	193,759	$	2,372	$	(2,985)	$	193,146
			Total investment securities held to maturity	$	193,759	$	2,372	$	(2,985)	$	193,146
(1) The asset-backed securities position is largely comprised of senior, floating rate, tranches of student loan securities issued by SLM Corp and guaranteed under the Federal Family Education Loan Program.

Investment securities held to maturity:
	Obligations of state and political subdivisions
		(municipal securities)		$	175,210	$	401	$	(5,722)	$	169,889
			Total investment securities held to maturity	$	175,210	$	401	$	(5,722)	$	169,889

Amortized cost and fair values of investment securities available for sale by contractual maturity

		Available for Sale					Held to Maturity
($ in Thousands)		Amortized Cost			Fair Value		Amortized Cost			Fair Value
Due in one year or less		$	23,534	$	23,714		$	-	$	-
Due after one year through five years			202,811		212,978			230		231
Due after five years through ten years			404,168		418,321			82,187		81,033
Due after ten years			15,623		16,054			111,342		111,882
	Total debt securities		646,136		671,067			193,759		193,146
Residential mortgage-related securities:
	GSE		3,767,991		3,769,242			-		-
	Private label		2,699		2,697			-		-
GNMA commercial mortgage-related securities			839,488		813,567			-		-
Asset-backed securities			21,318		21,282			-		-
Equity securities			18		53			-		-
	Total investment securities	$	5,277,650	$	5,277,908		$	193,759	$	193,146
Ratio of Fair Value to Amortized Cost					100.00	%				99.7	%

Unrealized losses and fair value of available for sale securities, by investment category and time length

			Less than 12 months					12 months or more						Total
			Number of	Unrealized			Fair	Number of	Unrealized			Fair	Unrealized			Fair
March 31, 2014:			Securities		Losses		Value	Securities		Losses		Value		Losses		Value
					($ in Thousands)
Investment securities available for sale:
	Obligations of state and political
		subdivisions (municipal securities)	86	$	(620)	$	36,357	1	$	(8)	$	271	$	(628)	$	36,628
	Residential mortgage-related securities:
		GSE	86		(36,552)		1,439,729	19		(22,437)		555,664		(58,989)		1,995,393
		Private-label	1		(17)		1,917	2		(1)		38		(18)		1,955
	GNMA commercial mortgage-related securities		17		(12,541)		425,310	7		(15,083)		209,336		(27,624)		634,646
	Asset backed securities		2		(36)		21,282	0		―		―		(36)		21,282
	Other debt securities		3		(8)		1,492	0		―		―		(8)		1,492
		Total		$	(49,774)	$	1,926,087		$	(37,529)	$	765,309	$	(87,303)	$	2,691,396
Investment securities held to maturity:
	Obligations of state and political
		subdivisions (municipal securities)	168	$	(2,377)	$	76,708	25	$	(608)	$	11,272	$	(2,985)	$	87,980
		Total		$	(2,377)	$	76,708		$	(608)	$	11,272	$	(2,985)	$	87,980

					Less than 12 months					12 months or more				Total
			Number					Number
			of	Unrealized				of	Unrealized				Unrealized
December 31, 2013:			Securities	Losses		Fair Value		Securities	Losses		Fair Value		Losses		Fair Value
					($ in Thousands)
Investment securities available for sale:
	Obligations of state and political
		subdivisions (municipal securities)	113	$	(1,525)	$	47,044	1	$	(8)	$	273	$	(1,533)	$	47,317
	Residential mortgage-related securities:
		GSE	106		(57,393)		1,887,784	15		(21,186)		421,082		(78,579)		2,308,866
		Private label	2		(37)		2,105	1		-		35		(37)		2,140
	GNMA commercial mortgage-related securities		19		(23,854)		443,462	0		(3,988)		45,950		(27,842)		489,412
	Other debt securities		5		(43)		6,452	1		-		-		(43)		6,452
		Total		$	(82,852)	$	2,386,847		$	(25,182)	$	467,340	$	(108,034)	$	2,854,187
Investment securities held to maturity:
	Obligations of state and political
		subdivisions (municipal securities)	298	$	(5,339)	$	124,435	10	$	(383)	$	5,010	$	(5,722)	$	129,445
		Total		$	(5,339)	$	124,435		$	(383)	$	5,010	$	(5,722)	$	129,445

Credit loss portion of other than temporary impairment

		Private-label
		Mortgage-Related		Trust Preferred
		Securities		Debt Securities			Total
		($ in Thousands)
Balance of credit-related other-than-temporary
	impairment at December 31, 2012	$	(532)	$	(6,336)	$	(6,868)
Reduction due to credit impaired securities sold			532		57		589
Balance of credit-related other-than-temporary							.
	impairment at December 31, 2013	$	―	$	(6,279)	$	(6,279)
Reduction due to credit impaired securities sold			―		765		765
Balance of credit-related other-than-temporary							.
	impairment at March 31, 2014	$	―	$	(5,514)	$	(5,514)

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Loans, Allowance for Loan Losses, and Credit Quality Consumer Loans by Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Consumer Loans By Credit Quality Indicator [Abstract]
Home equity	$ 1,762,002	$ 1,825,014
Installment	393,321	407,074
Residential mortgage	3,942,555	3,835,591
Total consumer	6,097,878	6,067,679
Performing Financing Receivable [Member]
Consumer Loans By Credit Quality Indicator [Abstract]
Home equity	1,719,075	1,777,421
Installment	390,912	404,514
Residential mortgage	3,868,263	3,758,688
Total consumer	5,978,250	5,940,623
Thirty To Eighty Nine Days Past Due [Member]
Consumer Loans By Credit Quality Indicator [Abstract]
Home equity	9,819	10,680
Installment	1,269	1,150
Residential mortgage	4,498	6,118
Total consumer	15,586	17,948
Potential Problem [Member]
Consumer Loans By Credit Quality Indicator [Abstract]
Home equity	1,051	2,113
Installment	0	50
Residential mortgage	2,091	3,312
Total consumer	3,142	5,475
Impaired [Member]
Consumer Loans By Credit Quality Indicator [Abstract]
Home equity	32,057	34,800
Installment	1,140	1,360
Residential mortgage	67,703	67,473
Total consumer	$ 100,900	$ 103,633

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Investment Securities AFS Securities Amortized Cost and Fair Value (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Investment securities available for sale:
Investment securities available for sale, amortized cost	$ 5,277,650	$ 5,270,576
Investment securities available for sale, gross unrealized gains	87,561	88,043
Investment securities available for sale, gross unrealized losses	(87,303)	(108,034)
Investment securities available for sale, fair value	5,277,908	5,250,585
US Treasury Securities [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	1,001	1,001
Investment securities available for sale, gross unrealized gains	1	1
Investment securities available for sale, gross unrealized losses	0	0
Investment securities available for sale, fair value	1,002	1,002
Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	640,433	653,758
Investment securities available for sale, gross unrealized gains	25,539	23,855
Investment securities available for sale, gross unrealized losses	(628)	(1,533)
Investment securities available for sale, fair value	665,344	676,080
Government-Sponsored Enterprise (GSE) [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	3,767,991	3,855,467
Investment securities available for sale, gross unrealized gains	60,240	61,542
Investment securities available for sale, gross unrealized losses	(58,989)	(78,579)
Investment securities available for sale, fair value	3,769,242	3,838,430
Private Label [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	2,699	3,035
Investment securities available for sale, gross unrealized gains	16	16
Investment securities available for sale, gross unrealized losses	(18)	(37)
Investment securities available for sale, fair value	2,697	3,014
GNMA commercial mortgage-related securities [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	839,488	673,555
Investment securities available for sale, gross unrealized gains	1,703	1,764
Investment securities available for sale, gross unrealized losses	(27,624)	(27,842)
Investment securities available for sale, fair value	813,567	647,477
Asset-backed Securities [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	21,318	23,049
Investment securities available for sale, gross unrealized gains	0	10
Investment securities available for sale, gross unrealized losses	(36)	0
Investment securities available for sale, fair value	21,282	23,059
Other Debt And Other Equity Securities [Member]
Investment securities available for sale:
Investment securities available for sale, amortized cost	4,720	60,711
Investment securities available for sale, gross unrealized gains	62	855
Investment securities available for sale, gross unrealized losses	(8)	(43)
Investment securities available for sale, fair value	$ 4,774	$ 61,523

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Other Intangible Assets [Abstract]

Summary of core deposit intangibles and other intangibles

	Three Months Ended		Year Ended
	March 31, 2014		December 31, 2013
		($ in Thousands)
Core deposit intangibles:
Gross carrying amount	$	36,230	$	36,230
Accumulated amortization		(32,336)		(31,565)
Net book value	$	3,894	$	4,665
Amortization during the period	$	771	$	3,122
Other intangibles:
Gross carrying amount	$	19,283	$	19,283
Accumulated amortization		(12,984)		(12,764)
Net book value	$	6,299	$	6,519
Amortization during the period	$	220	$	921

Summary of changes in balance of mortgage servicing rights asset and mortgage servicing rights valuation allowance

		Three Months Ended			Year Ended
		March 31, 2014			December 31, 2013
			($ in Thousands)
Mortgage servicing rights:
Mortgage servicing rights at beginning of period		$	64,193		$	61,425
	Additions		1,725			18,256
	Amortization		(2,725)			(15,488)
Mortgage servicing rights at end of period		$	63,193		$	64,193
Valuation allowance at beginning of period			(913)			(15,476)
	Recoveries, net		156			14,563
Valuation allowance at end of period			(757)			(913)
Mortgage servicing rights, net		$	62,436		$	63,280
Fair value of mortgage servicing rights		$	71,987		$	74,444
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)			8,084,000			8,084,000
Mortgage servicing rights, net to servicing portfolio			0.77	%		0.78	%
Mortgage servicing rights expense (1)		$	2,569		$	925

Summary of estimated future amortization expense

	Core Deposit		Other		Mortgage Servicing
Estimated amortization expense:	Intangibles		Intangibles		Rights
		($ in Thousands)
Nine months ending December 31, 2014	$	2,097	$	659	$	7,685
Year ending December 31, 2015		1,404		839		8,777
Year ending December 31, 2016		281		803		7,345
Year ending December 31, 2017		112		770		6,171
Year ending December 31, 2018		―		740		5,197
Year ending December 31, 2019		―		441		4,397
Beyond 2019		―		2,047		23,621
Total Estimated Amortization Expense	$	3,894	$	6,299	$	63,193

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Short And Long-term Funding (Tables)

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Breakdown of short and long-term debt balances

			March 31,		December 31,
			2014		2013
			($ in Thousands)
Short-Term Funding
Federal funds purchased		$	391,075	$	56,195
Securities sold under agreements to repurchase			548,179		419,247
	Federal funds purchased and securities sold under agreements to repurchase		939,254		475,442
FHLB advances			225,000		200,000
Commercial paper			83,652		65,484
	Other short-term funding		308,652		265,484
	Total short-term funding	$	1,247,906	$	740,926
Long-Term Funding
FHLB advances		$	2,500,288	$	2,500,297
Senior notes, at par			430,000		585,000
Other long-term funding and capitalized costs			1,752		1,970
	Total long-term funding	$	2,932,040	$	3,087,267
Total short and long-term funding		$	4,179,946	$	3,828,193

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 45,199	$ 47,388
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Provision for credit losses	5,000	3,300
Depreciation and amortization	13,094	11,968
(Recovery of) addition to valuation allowance on mortgage servicing rights, net	(156)	(5,216)
Amortization of mortgage servicing rights	2,725	4,989
Amortization of other intangible assets	991	1,011
Amortization and accretion on earning assets, funding, and other, net	6,537	14,069
Tax impact of stock-based compensation	545	59
(Gain) loss on sales of investment securities, net and impairment write-downs	(378)	(300)
(Gain) loss on sales of assets and impairment write-downs, net	(728)	(836)
Gain on mortgage banking activities, net	(4,100)	(15,493)
Mortgage loans originated and acquired for sale	(203,764)	(681,410)
Proceeds from sales of mortgage loans held for sale	224,348	779,022
(Increase) decrease in interest receivable	(3,009)	(3,226)
Increase (decrease) in interest payable	(6,474)	(7,276)
Net change in other assets and other liabilities	(6,165)	(14,637)
Net cash provided by (used in) operating activities	73,665	133,412
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in loans	(555,979)	(179,438)
Purchases of:
Available for sale securities	(273,627)	(511,419)
Premises, equipment, and software, net of disposals	(10,848)	(16,223)
FHLB stock	(111)	0
Held to maturity securities	(18,857)	(13,240)
Other assets	(850)	(797)
Proceeds from:
Sales of available for sale securities	80,025	61,457
Sale of FHLB stock	0	14,399
Prepayments, calls and maturities of investment securities	180,880	403,763
Prepayments, calls, and maturities of other assets	11,036	9,385
Sales of loans originated for investment	0	12,172
Net cash provided by (used in) investing activities	(588,331)	(219,941)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits	242,760	481,429
Net increase (decrease) in short-term funding	506,980	(557,387)
Repayment of long-term funding	(155,009)	(100,076)
Proceeds from issuance of preferred stock		0
Redemption of preferred stock	(806)	0
Cash dividends on common stock	(14,639)	(13,483)
Cash dividends on preferred stock	(1,244)	(1,300)
Purchase of treasury stock	(42,199)	(33,125)
Net cash provided by (used in) financing activities	535,843	(223,942)
Net increase (decrease) in cash and cash equivalents	21,177	(310,471)
Cash and cash equivalents at beginning of period	602,245	737,873
Cash and cash equivalents at end of period	623,422	427,402
Supplemental disclosures of cash flow information:
Cash paid for interest	19,578	24,946
Cash (received) paid for income taxes	4,165	0
Loans and bank premises transferred to other real estate owned	6,343	12,408
Capitalized mortgage servicing rights	$ 1,725	$ 5,902

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Derivative and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2014

Derivative and Hedging Activities [Abstract]

Balance sheet category and fair values of derivative instruments not designated as hedging instruments

							Weighted Average
($ in Thousands)			Notional		Fair	Balance Sheet	Receive		Pay
			Amount		Value	Category	Rate(1)		Rate(1)		Maturity
March 31, 2014
Interest rate-related instruments — customer and mirror		$	1,805,140	$	40,078	Trading assets	1.59	%	1.59	%	44	months
Interest rate-related instruments — customer and mirror			1,805,140		(42,843)	Trading liabilities	1.59	%	1.59	%	44	months
Interest rate lock commitments (mortgage)			131,294		791	Other assets	-		-			-
Forward commitments (mortgage)			148,750		512	Other assets	-		-			-
Foreign currency exchange forwards			49,084		744	Trading assets	-		-			-
Foreign currency exchange forwards			41,241		(607)	Trading liabilities	-		-			-
Purchased options (time deposit)			114,716		7,490	Other assets	-		-			-
Written options (time deposit)			114,716		(7,490)	Other liabilities	-		-			-
December 31, 2013
Interest rate-related instruments — customer and mirror		$	1,821,787	$	42,980	Trading assets	1.63	%	1.63	%	45	months
Interest rate-related instruments — customer and mirror			1,821,787		(45,815)	Trading liabilities	1.63	%	1.63	%	45	months
Interest rate lock commitments (mortgage)			102,225		416	Other assets	-		-			-
Forward commitments (mortgage)			135,000		1,301	Other assets	-		-			-
Foreign currency exchange forwards			25,747		748	Trading assets	-		-			-
Foreign currency exchange forwards			24,413		(655)	Trading liabilities	-		-			-
Purchased options (time deposit)			115,953		7,328	Other assets	-		-			-
Written options (time deposit)			115,953		(7,328)	Other liabilities	-		-			-
(1)	Reflects the weighted average receive rate and pay rate for the interest rate swap derivative financial instruments only.

Gain (loss) on derivative instruments not designated as hedging instruments

	Income Statement Category of	Gain / (Loss)
	Gain / (Loss) Recognized in Income	Recognized in Income
			($ in Thousands)
Three Months Ended March 31, 2014
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	70
Interest rate lock commitments (mortgage)	Mortgage banking, net		375
Forward commitments (mortgage)	Mortgage banking, net		(789)
Foreign currency exchange forwards	Capital market fees, net		44
Three Months Ended March 31, 2013
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	381
Interest rate lock commitments (mortgage)	Mortgage banking, net		(2,526)
Forward commitments (mortgage)	Mortgage banking, net		(696)
Foreign currency exchange forwards	Capital market fees, net		29

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Stock-Based Compensation Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Fair value assumptions of stock options
Dividend yield	2.00%	2.00%
Risk-free interest rate	2.00%	0.99%
Weighted average expected volatility	20.00%	34.35%
Weighted average expected life	6 years	6 years
Weighted average per share fair value of stock options	$ 3.00	$ 3.80
Summary of Company's Stock Option Activities
Stock Options Shares Outstanding, Beginning balance	8,034,243	8,640,558
Granted, Shares	1,389,452	1,020,979
Exercised, Shares	(368,965)	(642,202)
Forfeited or expired, Shares	(408,865)	(985,092)
Stock Options Shares Outstanding, Ending balance	8,645,865	8,034,243
Options exercisable, shares	5,649,013	4,923,720
Stock Options Outstanding, Weighted Average Exercise Price, Beginning balance	$ 18.37	$ 18.88
Granted, Weighted Average Exercise Price	$ 17.45	$ 14.02
Exercised, Weighted Average Exercise Price	$ 13.71	$ 13.43
Forfeited or expired, Weighted Average Exercise Price	$ 26.34	$ 21.49
Stock Options Outstanding, Weighted Average Exercise Price, Ending balance	$ 18.05	$ 18.37
Options Exercisable, Weighted Average Exercise Price	$ 19.51	$ 21.48
Stock Options Outstanding, Weighted Average Remaining Contractual Term	6 years 7 months	6 years 0 months
Options exercisable, Weighted Average Remaining Contractual Term	5 years 4 months	4 years 7 months
Stock Options Outstanding, Aggregate Intrinsic Value	$ 23,581	$ 20,838
Options exercisable, Aggregate Intrinsic Value	$ 15,290	$ 8,580

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Loans, Allowance for Loan Losses, and Credit Quality Changes in the Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Changes in the allowance for loan losses
Loans and Leases Receivable, Allowance, Beginning Balance	$ 268,315	$ 297,409
Provision for loan losses	5,000	10,000
Charge offs	(11,361)	(88,061)
Recoveries	5,962	48,967
Net charge offs	(5,399)	(39,094)
Loans and Leases Receivable, Allowance, Ending Balance	267,916	268,315
Changes in the allowance for unfunded commitments
Allowance for Credit Losses	289,816	290,215
Reserve for Off-balance Sheet Activities [Member]
Changes in the allowance for unfunded commitments
Balance at beginning of period	21,900	21,800
Provision for unfunded commitments	0	100
Balance at end of period	$ 21,900	$ 21,900

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Balance Sheet Offsetting (Details) (Interest Rate Contract [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Interest Rate Contract [Member]
Offsetting of Derivative Assets [Abstract]
Gross amounts recognized	$ 2,069	$ 3,084
Gross amounts offset in the balance sheet	0	0
Net amounts presented in the balance sheet	2,069	3,084
Financial instruments	(2,068)	(3,082)
Collateral	0	0
Net amount	1	2
Offsetting of Derivative Liabilities [Abstract]
Gross amounts recognized	39,884	41,786
Gross amounts offset in the balance sheet	0	0
Net amounts presented in the balance sheet	39,884	41,786
Financial instruments	(2,068)	(3,082)
Collateral	(32,136)	(33,405)
Net amount	$ 5,680	$ 5,299

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Consolidated Balance Sheets (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
ASSETS
Cash and due from banks	$ 526,951	$ 455,482
Interest-bearing deposits in other financial institutions	92,071	126,018
Federal funds sold and securities purchased under agreements to resell	4,400	20,745
Investment securities held to maturity at amortized cost	193,759	175,210
Investment securities available for sale, fair value	5,277,908	5,250,585
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	181,360	181,249
Loans held for sale	46,529	64,738
Loans	16,441,444	15,896,261
Allowance for loan losses	(267,916)	(268,315)
Loans, net	16,173,528	15,627,946
Premises and equipment, net	269,257	270,890
Goodwill	929,168	929,168
Other intangible assets, net	72,629	74,464
Trading assets	40,822	43,728
Other assets	997,815	1,006,697
Total assets	24,806,197	24,226,920
LIABILITIES AND STOCKHOLDERS' EQUITY
Noninterest-bearing demand deposits	4,478,981	4,626,312
Interest-bearing deposits	13,030,946	12,640,855
Total deposits	17,509,927	17,267,167
Federal funds purchased and securities sold under agreements to repurchase	939,254	475,442
Other short-term funding	308,652	265,484
Long-term funding	2,932,040	3,087,267
Trading liabilities	43,450	46,470
Accrued expenses and other liabilities	171,850	193,800
Total liabilities	21,905,173	21,335,630
Stockholders' equity
Preferred equity	61,158	61,862
Common stock	1,750	1,750
Surplus	1,623,323	1,617,990
Retained earnings	1,402,549	1,392,508
Accumulated other comprehensive income (loss)	(11,577)	(24,244)
Treasury stock, at cost	(176,179)	(158,576)
Total stockholders' equity	2,901,024	2,891,290
Total liabilities and stockholders' equity	$ 24,806,197	$ 24,226,920
Preferred shares issued	62,826	63,549
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Common shares issued	175,012,686	175,012,686
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Treasury shares of common stock	11,867,756	10,874,182

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Investment Securities HTM Securities Amortized Cost and Fair Value (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Investment securities held to maturity:
Investment securities held to maturity at amortized cost	$ 193,759	$ 175,210
Investment securities held to maturity, gross unrealized gains	2,372	401
Investment securities held to maturity, gross unrealized losses	(2,985)	(5,722)
Investment securities held to maturity, fair value	193,146	169,889
Obligations of state and political subdivisions (municipal securities) [Member]
Investment securities held to maturity:
Investment securities held to maturity at amortized cost	193,759	175,210
Investment securities held to maturity, gross unrealized gains	2,372	401
Investment securities held to maturity, gross unrealized losses	(2,985)	(5,722)
Investment securities held to maturity, fair value	$ 193,146	$ 169,889

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Consolidated Statements of Changes in Stockholder's Equity (Unaudited) (USD $) In Thousands, unless otherwise specified	Total	Preferred Equity	Common Stock	Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2012	$ 2,936,399	$ 63,272	$ 1,750	$ 1,602,136	$ 1,281,811	$ 48,603	$ (61,173)
Comprehensive (loss) income:
Net income	47,388	0	0	0	47,388	0	0
Other comprehensive income (loss)	(5,612)	0	0	0	0	(5,612)	0
Comprehensive income (loss)	41,776
Common stock issued:
Stock-based compensation plans, net	2,177	0	0	9	(16,724)	0	18,892
Purchase of treasury stock	(33,125)	0	0	0	0	0	(33,125)
Cash dividends:
Common stock	(13,483)	0	0	0	(13,483)	0	0
Preferred stock	(1,300)	0	0	0	(1,300)	0	0
Issuance of preferred stock	0	0
Accretion of preferred stock discount	0	0	0	0	0	0	0
Purchase of preferred stock	0	0	0	0	0	0	0
Stock-based compensation expense, net	3,762	0	0	3,762	0	0	0
Tax benefit of stock options	59	0	0	59	0	0	0
Ending balance at Mar. 31, 2013	2,936,265	63,272	1,750	1,605,966	1,297,692	42,991	(75,406)
Beginning balance at Dec. 31, 2013	2,891,290	61,862	1,750	1,617,990	1,392,508	(24,244)	(158,576)
Comprehensive (loss) income:
Net income	45,199	0	0	0	45,199	0	0
Other comprehensive income (loss)	12,667	0	0	0	0	12,667	0
Comprehensive income (loss)	57,866
Common stock issued:
Stock-based compensation plans, net	5,799	0	0	376	(19,173)	0	24,596
Purchase of treasury stock	(42,199)	0	0	0	0	0	(42,199)
Cash dividends:
Common stock	(14,639)	0	0	0	(14,639)	0	0
Preferred stock	(1,244)	0	0	0	(1,244)	0	0
Purchase of preferred stock	(806)	(704)	0		(102)
Stock-based compensation expense, net	4,412	0	0	4,412	0	0	0
Tax benefit of stock options	545	0	0	545	0	0	0
Ending balance at Mar. 31, 2014	$ 2,901,024	$ 61,158	$ 1,750	$ 1,623,323	$ 1,402,549	$ (11,577)	$ (176,179)

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Loans, Allowance for Loan Losses, and Credit Quality Troubled Debt Restructurings Performing and Nonaccrual (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	$ 116,924	$ 123,985
Nonaccrual Restructured Loans	74,231	59,585
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	27,776	32,517
Nonaccrual Restructured Loans	8,781	6,900
Commercial Real Estate Owner Occupied Portfolio [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	11,579	13,009
Nonaccrual Restructured Loans	15,697	10,999
Commercial Real Estate Investor Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	46,020	44,946
Nonaccrual Restructured Loans	14,619	18,069
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	2,954	3,793
Nonaccrual Restructured Loans	2,558	2,065
Home Equity Port Folio Segments [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	9,572	9,633
Nonaccrual Restructured Loans	7,785	5,419
Installment [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	225	246
Nonaccrual Restructured Loans	419	451
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Performing Restructured Loans	18,798	19,841
Nonaccrual Restructured Loans	$ 24,372	$ 15,682

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3)

Assets and Liabilities Measured at Fair Value
Using Significant Unobservable Inputs (Level 3)
			Investment Securities Available for Sale		Derivative Financial Instruments
($ in Thousands)
Balance December 31, 2012			$	480	$	7,647
	Total net losses included in income:
		Mortgage derivative loss		―		(5,930)
	Total net losses included in other comprehensive income:
		Unrealized investment securities loss		(70)		―
	Sales of investment securities			(111)		―
Balance December 31, 2013			$	299	$	1,717
	Total net losses included in income:
		Mortgage derivative loss		―		(414)
	Total net losses included in other comprehensive income:
		Unrealized investment securities loss		(78)		―
	Sales of investment securities			6		―
Balance March 31, 2014			$	227	$	1,303

Assets and Liabilities Measured on Nonrecurring Basis at Fair Value

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
				Fair Value Measurements Using
	March 31, 2014			Level 1		Level 2		Level 3
		($ in Thousands)
Assets:
Loans held for sale	$	46,529	$	―	$	46,529	$	―
Impaired loans (1)		83,470		―		―		83,470
Mortgage servicing rights		71,987		―		―		71,987

				Fair Value Measurements Using
	December 31, 2013			Level 1		Level 2		Level 3
		($ in Thousands)
Assets:
Loans held for sale	$	64,738	$	―	$	64,738	$	―
Impaired loans (1)		88,049		―		―		88,049
Mortgage servicing rights		74,444		―		―		74,444

Estimated fair values of financial instruments

		March 31, 2014
		Carrying				Fair Value Measurements Using
		Amount		Fair Value		Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks	$	526,951	$	526,951	$	526,951	$	―	$	―
Interest-bearing deposits in other financial institutions		92,071		92,071		92,071		―		―
Federal funds sold and securities purchased under
agreements to resell		4,400		4,400		4,400		―		―
Investment securities held to maturity		193,759		193,146		―		193,146		―
Investment securities available for sale		5,277,908		5,277,908		4,249		5,273,432		227
FHLB and Federal Reserve Bank stocks		181,360		181,360		―		181,360		―
Loans held for sale		46,529		46,529		―		46,529		―
Loans, net		16,173,528		16,224,051		―		―		16,224,051
Bank owned life insurance		568,631		568,631		―		568,631		―
Accrued interest receivable		69,317		69,317		69,317		―		―
Interest rate-related instruments		40,078		40,078		―		40,078		―
Foreign currency exchange forwards		744		744		―		744		―
Interest rate lock commitments to originate residential
mortgage loans held for sale		791		791		―		―		791
Forward commitments to sell residential mortgage loans		512		512		―		―		512
Purchased options (time deposit)		7,490		7,490		―		7,490		―
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
demand, and money market deposits	$	15,885,280	$	15,885,280	$	―	$	―	$	15,885,280
Brokered CDs and other time deposits		1,624,647		1,626,978		―		1,626,978		―
Short-term funding		1,247,906		1,247,906		―		1,247,906		―
Long-term funding		2,932,040		2,924,315		―		2,924,315		―
Accrued interest payable		1,520		1,520		1,520		―		―
Interest rate-related instruments		42,843		42,843		―		42,843		―
Foreign currency exchange forwards		607		607		―		607		―
Standby letters of credit (1)		3,844		3,844		―		3,844		―
Written options (time deposit)		7,490		7,490		―		7,490		―

		December 31, 2013
		Carrying				Fair Value Measurements Using
		Amount		Fair Value		Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks	$	455,482	$	455,482	$	455,482	$	―	$	―
Interest-bearing deposits in other financial institutions		126,018		126,018		126,018		―		―
Federal funds sold and securities purchased under
agreements to resell		20,745		20,745		20,745		―		―
Investment securities held to maturity		175,210		169,889		―		169,889		―
Investment securities available for sale		5,250,585		5,250,585		4,240		5,246,046		299
FHLB and Federal Reserve Bank stocks		181,249		181,249		―		181,249		―
Loans held for sale		64,738		64,738		―		64,738		―
Loans, net		15,627,946		15,599,094		―		―		15,599,094
Bank owned life insurance		568,413		568,413		―		568,413		―
Accrued interest receivable		66,308		66,308		66,308		―		―
Interest rate-related instruments		42,980		42,980		―		42,980		―
Foreign currency exchange forwards		748		748		―		748		―
Interest rate lock commitments to originate residential
mortgage loans held for sale		416		416		―		―		416
Forward commitments to sell residential mortgage loans		1,301		1,301		―		―		1,301
Purchased options (time deposit)		7,328		7,328		―		7,328		―
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
demand, and money market deposits	$	15,581,971	$	15,581,971	$	―	$	―	$	15,581,971
Brokered CDs and other time deposits		1,685,196		1,687,198		―		1,687,198		―
Short-term funding		740,926		740,926		―		740,926		―
Long-term funding		3,087,267		3,085,893		―		3,085,893		―
Accrued interest payable		7,994		7,994		7,994		―		―
Interest rate-related instruments		45,815		45,815		―		45,815		―
Foreign currency exchange forwards		655		655		―		655		―
Standby letters of credit (1)		3,754		3,754		―		3,754		―
Written options (time deposit)		7,328		7,328		―		7,328		―

Fair Value, Measurements, Recurring [Member]

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets and Liabilities Measured on Recurring Basis at Fair Value

Assets and Liabilities Measured at Fair Value on a Recurring Basis
					Fair Value Measurements Using
		March 31, 2014			Level 1		Level 2		Level 3
			($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,002	$	1,002	$	―	$	―
Obligations of state and political subdivisions (municipal securities)			665,344		―		665,344		―
Residential mortgage-related securities:
	Government-sponsored enterprise (GSE)		3,769,242		―		3,769,242		―
	Private-label		2,697		―		2,697		―
GNMA commercial mortgage-related securities			813,567		―		813,567		―
Asset-backed securities			21,282		―		21,282		―
Other securities (debt and equity)			4,774		3,247		1,300		227
	Total investment securities available for sale	$	5,277,908	$	4,249	$	5,273,432	$	227
Derivatives (trading and other assets)		$	49,615	$	―	$	48,312	$	1,303
Liabilities:
Derivatives (trading and other liabilities)		$	50,940	$	―	$	50,940	$	―

					Fair Value Measurements Using
		December 31, 2013			Level 1		Level 2		Level 3
			($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,002	$	1,002	$	―	$	―
Obligations of state and political subdivisions (municipal securities)			676,080		―		676,080		―
Residential mortgage-related securities:
	Government-sponsored enterprise (GSE)		3,838,430		―		3,838,430		―
	Private-label		3,014		―		3,014		―
GNMA commercial mortgage-related securities			647,477		―		647,477		―
Asset-backed securities			23,059		―		23,059		―
Other securities (debt and equity)			61,523		3,238		57,986		299
	Total investment securities available for sale	$	5,250,585	$	4,240	$	5,246,046	$	299
Derivatives (trading and other assets)		$	52,773	$	―	$	51,056	$	1,717
Liabilities:
Derivatives (trading and other liabilities)		$	53,798	$	―	$	53,798	$	―

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Goodwill and Other Intangible Assets Estimated Future Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Core Deposits Member
Estimated future amortization expense
Nine months ending December 31, 2014	$ 2,097
Year ending December 31, 2015	1,404
Year ending December 31, 2016	281
Year ending December 31, 2017	112
Year ending December 31, 2018	0
Year ending December 31, 2019	0
Beyond 2019	0
Total Estimated Amortization Expense	3,894
Other Intangible Assets [Member]
Estimated future amortization expense
Nine months ending December 31, 2014	659
Year ending December 31, 2015	839
Year ending December 31, 2016	803
Year ending December 31, 2017	770
Year ending December 31, 2018	740
Year ending December 31, 2019	441
Beyond 2019	2,047
Total Estimated Amortization Expense	6,299
Mortgage Service Rights [Member]
Estimated future amortization expense
Nine months ending December 31, 2014	7,685
Year ending December 31, 2015	8,777
Year ending December 31, 2016	7,345
Year ending December 31, 2017	6,171
Year ending December 31, 2018	5,197
Year ending December 31, 2019	4,397
Beyond 2019	23,621
Total Estimated Amortization Expense	$ 63,193

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Retirement Plans

3 Months Ended

Mar. 31, 2014

Retirement Plans [Abstract]

Retirement Plans

NOTE 14: Retirement Plans

The Corporation has a noncontributory defined benefit retirement plan (the Retirement Account Plan (“RAP”)) covering substantially all full-time employees. The benefits are based primarily on years of service and the employee's compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Any retirement plans of acquired entities are typically merged into the RAP after completion of the mergers, and credit is usually given to employees for years of service at the acquired institution for vesting and eligibility purposes. In connection with the First Federal acquisition in October 2004, the Corporation assumed the First Federal pension plan (the "First Federal Plan"). The First Federal Plan was frozen on December 31, 2004 and qualified participants in the First Federal Plan became eligible to participate in the RAP as of January 1, 2005. Additional discussion and information on the RAP and the First Federal Plan are collectively referred to below as the "Pension Plan".

The Corporation also provides healthcare access for eligible retired employees in its Postretirement Plan (the “Postretirement Plan”). Retirees who are at least 55 years of age with 5 years of service are eligible to participate in the Postretirement Plan. The Corporation has no plan assets attributable to the Postretirement Plan. The Corporation reserves the right to terminate or make changes to the Postretirement Plan at any time.

The components of net periodic benefit cost for the Pension and Postretirement Plans for thethree months endedMarch 31, 2014 and 2013, and for the full year 2013 were as follows.

		2014		2013	2013
Components of Net Periodic Benefit Cost	($ in Thousands)
Pension Plan:
Service cost	$	2,975	$	2,975	$	12,078
Interest cost		1,790		1,548		6,237
Expected return on plan assets		(4,855)		(4,305)		(17,647)
Amortization of prior service cost		15		17		72
Amortization of actuarial loss		325		1,073		4,344
Total net periodic benefit cost	$	250	$	1,308	$	5,084
Postretirement Plan:
Interest cost	$	39	$	40	$	142
Amortization of actuarial gain		(9)		―		―
Total net periodic benefit cost	$	30	$	40	$	142

The Corporation's funding policy is to pay at least the minimum amount required by the funding requirements of federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its Pension Plan.

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Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2014

Retirement Plans [Abstract]

Net period benefit cost for the pension and postretirement plans

		2014		2013	2013
Components of Net Periodic Benefit Cost	($ in Thousands)
Pension Plan:
Service cost	$	2,975	$	2,975	$	12,078
Interest cost		1,790		1,548		6,237
Expected return on plan assets		(4,855)		(4,305)		(17,647)
Amortization of prior service cost		15		17		72
Amortization of actuarial loss		325		1,073		4,344
Total net periodic benefit cost	$	250	$	1,308	$	5,084
Postretirement Plan:
Interest cost	$	39	$	40	$	142
Amortization of actuarial gain		(9)		―		―
Total net periodic benefit cost	$	30	$	40	$	142

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Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2014

Accumulated Other Comprehensive Income (Loss), Net Of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)

Note 16: Accumulated Other Comprehensive Income (Loss)

The following table summarizes the components of accumulated other comprehensive income (loss) at March 31, 2014 and 2013, changes during the three month periods then ended, and reclassifications out of accumulated other comprehensive income during the three month periods ended March 31, 2014 and 2013, respectively. The amounts reclassified from accumulated other comprehensive income for the investment securities available for sale are included in investment securities gains, net on the consolidated statements of income, while the amounts reclassified from accumulated other comprehensive income for the defined benefit pension and post retirement obligations are a component of personnel expense on the consolidated statements of income.

			Investments	Defined Benefit			Accumulated
			Securities		Pension and		Other
			Available	Post Retirement			Comprehensive
			For Sale		Obligations		Income (Loss)
Balance January 1, 2014		$	(11,396)	$	(12,848)	$	(24,244)
Other comprehensive income before
	reclassifications		20,627		0		20,627
Amounts reclassified from accumulated other
	comprehensive income (loss)		(378)		331		(47)
Income tax expense			(7,786)		(127)		(7,913)
Net other comprehensive income during period			12,463		204		12,667
Balance March 31, 2014		$	1,067	$	(12,644)	$	(11,577)
Balance January 1, 2013		$	86,109	$	(37,506)	$	48,603
Other comprehensive loss before
	reclassifications		(9,931)		0		(9,931)
Amounts reclassified from accumulated other
	comprehensive income (loss)		(300)		1,090		790
Income tax (expense) benefit			3,950		(421)		3,529
Net other comprehensive income (loss) during period			(6,281)		669		(5,612)
Balance March 31, 2013		$	79,828	$	(36,837)	$	42,991

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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Taxes (Textuals) [Abstract]
Income taxes	$ 20,637	$ 21,350
Effective income tax rate	31.35%	31.06%

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Consolidated Statements of Changes in Stockholder's Equity (Unaudited) (Parenthetical) (Retained Earnings, USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Retained Earnings
Cash dividends:
Common stock, per share	$ 0.09	$ 0.08

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Consolidated Balance Sheets (Paranthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Stockholders' equity
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01

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Income Taxes

3 Months Ended

Mar. 31, 2014

Income Taxes [Abstract]

Income Taxes

NOTE 9: Income Taxes

The Corporation recognized income tax expense of $21 million for both the first quarter of 2014 and the first quarter of 2013. The effective tax rate was 31.35% for the first quarter of 2014, compared to an effective tax rate of 31.06% for the first quarterof 2013.

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Document and Entity Information (USD $)	3 Months Ended
	Mar. 31, 2014	Apr. 30, 2014	Jun. 30, 2013
Document And Entity Information [Abstract]
Entity Registrant Name	ASSOCIATED BANC-CORP
Entity Central Index Key	0000007789
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 2,553,187,000
Entity Common Stock, Shares Outstanding		159,454,049

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Derivative and Hedging Activities

3 Months Ended

Mar. 31, 2014

Derivative and Hedging Activities [Abstract]

Derivative and Hedging Activities

NOTE 10: Derivative and Hedging Activities

The Corporation facilitates customer borrowing activity by providing various interest rate risk management solutions through its capital markets area. To date, all of the notional amounts of customer transactions have been matched with a mirror swap with another counterparty. The Corporationmay also use derivative instruments to hedge the variability in interest payments or protect the value of certain assets and liabilities recorded on its consolidated balance sheet from changes in interest rates. The predominant derivative and hedging activities include interest rate-related instruments (swaps and caps), foreign currency exchange forwards, written options, purchased options, and certain mortgage banking activities. The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, interest rate-related instruments generally contain language outlining collateral pledging requirements for each counterparty. Collateral must be posted when the market value exceeds certain threshold limits which are determined from the credit ratings of each counterparty. The Corporation was required to pledge $39 million of investment securities as collateral at March 31, 2014, and pledged $42 million of investment securities as collateral at December 31, 2013. Under the Dodd-Frank legislation, as of June 10, 2013, the Corporation must clear all LIBOR interest rate swaps through a clearing house. As such, the Corporation is required to pledge cash collateral for the margin. At March 31, 2014, the Corporation posted cash collateral for the margin of $9 million, compared to $6 million at December 31, 2013.

The Corporation's derivative and hedging instruments are recorded at fair value on the consolidated balance sheets. The fair value of the Corporation's interest rate-related instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative and also includes a nonperformance / credit risk component (credit valuation adjustment). See Note 13 for additional fair value information and disclosures.

The table below identifies the gains and losses recognized on the Corporation's derivative instruments designated as cash flow hedges.

							Weighted Average
($ in Thousands)			Notional		Fair	Balance Sheet	Receive		Pay
			Amount		Value	Category	Rate(1)		Rate(1)		Maturity
March 31, 2014
Interest rate-related instruments — customer and mirror		$	1,805,140	$	40,078	Trading assets	1.59	%	1.59	%	44	months
Interest rate-related instruments — customer and mirror			1,805,140		(42,843)	Trading liabilities	1.59	%	1.59	%	44	months
Interest rate lock commitments (mortgage)			131,294		791	Other assets	-		-			-
Forward commitments (mortgage)			148,750		512	Other assets	-		-			-
Foreign currency exchange forwards			49,084		744	Trading assets	-		-			-
Foreign currency exchange forwards			41,241		(607)	Trading liabilities	-		-			-
Purchased options (time deposit)			114,716		7,490	Other assets	-		-			-
Written options (time deposit)			114,716		(7,490)	Other liabilities	-		-			-
December 31, 2013
Interest rate-related instruments — customer and mirror		$	1,821,787	$	42,980	Trading assets	1.63	%	1.63	%	45	months
Interest rate-related instruments — customer and mirror			1,821,787		(45,815)	Trading liabilities	1.63	%	1.63	%	45	months
Interest rate lock commitments (mortgage)			102,225		416	Other assets	-		-			-
Forward commitments (mortgage)			135,000		1,301	Other assets	-		-			-
Foreign currency exchange forwards			25,747		748	Trading assets	-		-			-
Foreign currency exchange forwards			24,413		(655)	Trading liabilities	-		-			-
Purchased options (time deposit)			115,953		7,328	Other assets	-		-			-
Written options (time deposit)			115,953		(7,328)	Other liabilities	-		-			-
(1)	Reflects the weighted average receive rate and pay rate for the interest rate swap derivative financial instruments only.

The table below identifies the income statement category of the gains and losses recognized in income on the Corporation's derivative instruments not designated as hedging instruments.

	Income Statement Category of	Gain / (Loss)
	Gain / (Loss) Recognized in Income	Recognized in Income
			($ in Thousands)
Three Months Ended March 31, 2014
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	70
Interest rate lock commitments (mortgage)	Mortgage banking, net		375
Forward commitments (mortgage)	Mortgage banking, net		(789)
Foreign currency exchange forwards	Capital market fees, net		44
Three Months Ended March 31, 2013
Interest rate-related instruments — customer and mirror, net	Capital market fees, net	$	381
Interest rate lock commitments (mortgage)	Mortgage banking, net		(2,526)
Forward commitments (mortgage)	Mortgage banking, net		(696)
Foreign currency exchange forwards	Capital market fees, net		29

Free standing derivatives

The Corporation enters into various derivative contracts which are designated as free standing derivative contracts. These derivative contracts are not designated against specific assets and liabilities on the balance sheet or forecasted transactions and, therefore, do not qualify for hedge accounting treatment. Such derivative contracts are carried at fair value on the consolidated balance sheet with changes in the fair value recorded as a component of Capital market fees, net, and typically include interest rate-related instruments (swaps andcaps).

Free standing derivatives are entered into primarily for the benefit of commercial customers through providing derivative products which enables the customer to manage their exposures to interest rate risk. The Corporation's market risk from unfavorable movements in interest rates related to these derivative contracts is generally economically hedged by concurrently entering into offsetting derivative contracts. The offsetting derivative contracts have identical notional values, terms and indices.

Mortgage derivatives

Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded on the consolidated balance sheets with the changes in fair value recorded as a component of mortgage banking, net.

Foreign currency derivatives

The Corporation provides foreign exchange services to customers. The Corporation may enter into a foreign currency forward to mitigate the exchange rate risk attached to the cash flows of a loan or as an offsetting contract to a forward entered into as a service to our customer.

Written and purchased option derivatives (time deposit)

The Corporation has periodically entered into written and purchased option derivative instruments to facilitate anequity linked time deposit product (the “Power CD”). During September 2013, the Corporation terminated its Power CD product. The Power CD was a time deposit that provided the purchaser a guaranteed return of principal at maturity plus a potential equity return (a written option), while the Corporation received a known stream of funds based on the equity return (a purchased option). The written and purchased options are mirror derivative instruments which are carried at fair value on the consolidated balance sheets.

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Retirement Plans Components of Net Periodic Benefit Cost (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Retirement Plans (Textuals) [Abstract]
Retirement eligible age for participation	55
Years of service for pension plan eligibility	5
Pension Plans, Defined Benefit [Member]
Net period benefit cost for the pension and postretirement plans
Service cost	$ 2,975	$ 2,975	$ 12,078
Interest cost	1,790	1,548	6,237
Expected return on plan assets	(4,855)	(4,305)	(17,647)
Amortization of prior service cost	15	17	72
Amortization of actuarial (gain) loss	325	1,073	4,344
Total net periodic benefit cost	250	1,308	5,084
Other Postretirement Benefit Plans, Defined Benefit [Member]
Net period benefit cost for the pension and postretirement plans
Interest cost	39	40	142
Amortization of actuarial (gain) loss	(9)	0	0
Total net periodic benefit cost	$ 30	$ 40	$ 142

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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
INTEREST INCOME
Interest and fees on loans	$ 143,387	$ 145,527
Interest and dividends on investment securities
Taxable	26,257	21,613
Tax exempt	6,971	6,965
Other interest	1,449	1,247
Total interest income	178,064	175,352
INTEREST EXPENSE
Interest on deposits	6,159	8,541
Interest on Federal funds purchased and securities sold under agreements to repurchase	305	410
Interest on other short-term funding	116	332
Interest on long-term funding	6,511	8,416
Total interest expense	13,091	17,699
NET INTEREST INCOME	164,973	157,653
Provision for credit losses	5,000	3,300
Net interest income after provision for credit losses	159,973	154,353
NONINTEREST INCOME
Trust service fees	11,711	10,910
Service charges on deposit accounts	16,400	16,829
Card-based and other nondeposit fees	12,509	11,950
Insurance commissions	12,317	11,763
Brokerage and annuity commissions	4,033	3,516
Mortgage banking, net	6,361	17,765
Capital market fees, net	2,322	2,583
Bank owned life insurance income	4,320	2,970
Asset gains (losses), net	728	836
Investment securities gains (losses), net	378	300
Other	2,442	2,578
Total noninterest income	73,521	82,000
NONINTEREST EXPENSE
Personnel expense	97,698	97,907
Occupancy	15,560	15,662
Equipment	6,276	6,167
Technology	12,724	11,508
Business development and advertising	5,062	4,537
Other intangible amortization	991	1,011
Loan expense	2,787	3,284
Legal and professional fees	4,188	5,345
Losses other than loans	544	384
Foreclosure/OREO expense	1,896	2,422
FDIC expense	5,001	5,432
Other	14,931	13,956
Total noninterest expense	167,658	167,615
Income before income taxes	65,836	68,738
Income tax expense	20,637	21,350
Net income	45,199	47,388
Preferred stock dividends	1,244	1,300
Net income available to common equity	$ 43,955	$ 46,088
Earnings per common share:
Basic	$ 0.27	$ 0.27
Diluted	$ 0.27	$ 0.27
Average common shares outstanding:
Basic	161,467	168,234
Diluted	162,188	168,404

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2014

Stock-Based Compensation [Abstract]

Stock-Based Compensation

NOTE 4: Stock-Based Compensation

At March 31, 2014, the Corporation had onestock-based compensation plan, the 2013 Incentive Compensation Plan. The plan provides that restricted stock awards and stock options will immediately become fully vested upon retirement from the Corporation of those colleagues whose retirements meet the early retirement or normal retirement definitions under the plan ("retirement eligible colleagues"). All stock awards granted under this plan have an exercise price that is equal to the closing price of the Corporation's stock on the grant date.

The Corporation may issue restricted common stock and restricted common stock units to certain key employees (collectively referred to as "restricted stock awards"). The shares of restricted stock are restricted as to transfer, but are not restricted as to dividend payment or voting rights. Restricted stock units receive dividend equivalents but do not have voting rights. The transfer restrictions primarily lapse over three or four years, depending upon whether the awards are service-based or performance-based. Service-based awards are contingent upon continued employment or meeting the requirements for retirement, and performance-based awards are based on earnings per share performance goals and continued employment or meeting the requirements for retirement.

The fair value of stock options granted is estimated on the date of grant using a Black-Scholes option pricing model, while the fair value of restricted stock awards is their fair market value on the date of grant. The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. Compensation expense recognized is included in personnel expense in the consolidated statements of income.

Assumptions are used in estimating the fair value of stock options granted. The weighted average expected life of the stock option represents the period of time that stock options are expected to be outstanding and is estimated using historical data of stock option exercises and forfeitures. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on the implied volatility of the Corporation's stock. The following assumptions were used in estimating the fair value for options granted in the first three monthsof 2014 and full year 2013.

		2014			2013
Dividend yield		2.00	%		2.00	%
Risk-free interest rate		2.00	%		0.99	%
Weighted average expected volatility		20.00	%		34.35	%
Weighted average expected life		6 years			6 years
Weighted average per share fair value of options	$	3.00		$	3.80

The Corporation is required to estimate potential forfeitures of stock grants and adjust compensation expense recorded accordingly. The estimate of forfeitures will be adjusted over the requisite service period to the extent that actual forfeitures differ, or are expected to differ, from such estimates. Changes in estimated forfeitures will be recognized in the period of change and will also impact the amount of stock compensation expense to be recognized in future periods.

A summary of the Corporation's stock option activity for the year ended December 31, 2013 and for the three months endedMarch 31, 2014, is presented below.

				Weighted Average		Aggregate Intrinsic
		Weighted Average		Remaining		Value
Stock Options	Shares	Exercise Price		Contractual Term		(000s)
Outstanding at December 31, 2012	8,640,558	$	18.88
Granted	1,020,979		14.02
Exercised	(642,202)		13.43
Forfeited or expired	(985,092)		21.49
Outstanding at December 31, 2013	8,034,243	$	18.37		6.03	$	20,838
Options exercisable at December 31, 2013	4,923,720	$	21.48		4.62		8,580
Outstanding at December 31, 2013	8,034,243	$	18.37
Granted	1,389,452		17.45
Exercised	(368,965)		13.71
Forfeited or expired	(408,865)		26.34
Outstanding at March 31, 2014	8,645,865	$	18.05		6.62	$	23,581
Options exercisable at March 31, 2014	5,649,013	$	19.51		5.34		15,290

The following table summarizes information about the Corporation's nonvested stock option activity for the year ended December 31, 2013, and for the three months endedMarch 31, 2014.

		Weighted Average
Stock Options	Shares	Grant Date Fair Value
Nonvested at December 31, 2012	4,036,595	$	5.11
Granted	1,020,979		3.80
Vested	(1,680,981)		5.10
Forfeited	(266,070)		5.05
Nonvested at December 31, 2013	3,110,523	$	4.69
Granted	1,389,452		3.00
Vested	(1,451,304)		4.96
Forfeited	(51,819)		4.85
Nonvested at March 31, 2014	2,996,852	$	3.77

For the three months endedMarch 31, 2014the intrinsic value of stock options exercised was $1 million. For the year ended December 31, 2013, the intrinsic value of stock options exercised was $2 million. The total fair value of stock options that vested was $7 million for the firstthree months of 2014and $9 million for the year ended December 31, 2013. Forboth the three months endedMarch 31, 2014and2013, the Corporation recognized compensation expense of $2 millionfor the vesting of stock options. For the full year 2013, the Corporation recognized compensation expense of $8million for the vesting of stock options. Included in compensation expense for 2014 was approximately $250,000 of expense for the accelerated vesting of stock options granted to retirement eligible colleagues. At March 31, 2014, the Corporation had $10million of unrecognized compensation expense related to stock options that is expected to be recognized over the remaining requisite service periods that extend predominantly through fourth quarter 2018.

The following table summarizes information about the Corporation's restricted stock awards activity for the year ended December 31, 2013, and for the three months endedMarch 31, 2014.

		Weighted Average
Restricted Stock	Shares	Grant Date Fair Value
Outstanding at December 31, 2012	932,425	$	13.60
Granted	1,276,868		14.03
Vested	(626,480)		13.68
Forfeited	(71,048)		13.92
Outstanding at December 31, 2013	1,511,765	$	13.92
Granted	1,116,086		17.41
Vested	(477,210)		13.94
Forfeited	(21,566)		14.00
Outstanding at March 31, 2014	2,129,075	$	15.74

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant. Restricted stock awards granted during 2013 to executive officers will vest ratably over a three year period, while restricted stock awards granted during 2014 will vest ratably over a four year period.Restricted stock awards granted to non-executives during 2014and 2013will vest ratably over a four year period. Expense for restricted stock awards of approximately $3 million and $2million was recognized for the three months endedMarch 31, 2014 and 2013, respectively. The Corporation recognized approximately $7million of expense for restricted stock awards for the full year 2013. Included in compensation expense for 2014 was approximately $950,000 of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues.The Corporation had $29 million of unrecognized compensation costs related to restricted stock awards at March 31, 2014 that is expected to be recognized over the remaining requisite service periods that extend predominantly through fourth quarter 2018.

The Corporation issues shares from treasury, when available, or new shares upon the exercise of stock optionsor thegranting of restricted stock awards. The Board of Directors has authorized management to repurchase shares of the Corporation's common stock each quarter in the market, to be made available for issuance in connection with the Corporation's employee incentive plans and for other corporate purposes. The repurchase of shares will be based on market and investment opportunities, capital levels, growthprospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

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Earnings per Share

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

NOTE 3: Earnings PerCommon Share

Earnings per share are calculated utilizing the two-class method. Basic earnings per share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding. Diluted earnings per share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding adjusted for the dilutive effect of common stock awards (outstanding stock options, unvested restricted stock, and outstanding stock warrants). Presented below are the calculations for basic and diluted earnings per common share.

		Three Months Ended March 31,
		2014		2013
		(In Thousands, except per share data)
Net income	$	45,199	$	47,388
Preferred stock dividends		(1,244)		(1,300)
Net income available to common equity	$	43,955	$	46,088
Common shareholder dividends		(14,488)		(13,377)
Unvested share-based payment awards		(151)		(107)
Undistributed earnings	$	29,316	$	32,604
Undistributed earnings allocated to common shareholders	$	29,126	$	32,375
Undistributed earnings allocated to unvested share-based payment awards		190		229
Undistributed earnings	$	29,316	$	32,604
Basic
Distributed earnings to common shareholders	$	14,488	$	13,377
Undistributed earnings allocated to common shareholders		29,126		32,375
Total common shareholders earnings, basic	$	43,614	$	45,752
Diluted
Distributed earnings to common shareholders	$	14,488	$	13,377
Undistributed earnings allocated to common shareholders		29,126		32,375
Total common shareholders earnings, diluted	$	43,614	$	45,752
Weighted average common shares outstanding		161,467		168,234
Effect of dilutive common stock awards		721		170
Diluted weighted average common shares outstanding		162,188		168,404
Basic earnings per common share	$	0.27	$	0.27
Diluted earnings per common share	$	0.27	$	0.27

Options to purchase approximately 3 millionshares were outstanding for both March 31, 2014 and March 31, 2013, but excluded from the calculation of diluted earnings per common share as the effect would have been anti-dilutive.

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Segment Reporting

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Segment Reporting

NOTE 15: Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer and the distribution of those products and services are similar. The three reportable segments are Commercial Banking, Consumer Banking, and Risk Management and Shared Services,with no segment representing more than half of the assets, liabilities or Tier 1common equity of the Corporation as a whole.

The financial information of the Corporation's segments has been compiled utilizing the accounting policies described inthe Corporation's 2013 annual report on Form 10-K with certain exceptions. The more significant of these exceptions are described herein. The Corporation allocates interest income or interest expense using a funds transfer pricing methodology that charges users of funds (assets) interest expense and credits providers of funds (liabilities, primarily deposits) with income based on the maturity, prepayment and/or repricing characteristics of the assets and liabilities. The net effect of this allocation is recorded in the Risk Management and Shared Services segment. A credit provision is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined using the methodologies described in the Corporation's 2013 annual report on Form 10-K to assess the overall appropriateness of the allowance for credit losses. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including amortization of core deposit and other intangible assets associated with acquisitions) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation's estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. generally accepted accounting principles. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. During 2013, certain organization and methodology changes were made and, accordingly, 2013 results have been restated and presented on a comparable basis.

A description of each business segment is presented below.

Commercial Banking– The Commercial Banking segment serves a wide range of customers including, businesses, developers, non-profits,municipalities, and financial institutions. Business customers in this segment typically include companies with annual sales over $10millionand delivery of services is provided through our regional and middle market units, our commercial real estate unit, as well as our specialized industries and commercial financial services area. The financial solutions provided to our customers include but are not limited to: (1) Lending solutions, such as business loans and lines of credit, business credit cards, commercial real estate financing, construction loans, letters of credit, leasing, and asset based lending. For our larger clients we also offer syndicated loans to meet their lending needs; (2) Deposit and cash management solutions such as business checking and interest-bearing deposit products, safe deposit and night depository services, liquidity solutions, payables and receivables solutions; and information services; and (3) Specialized financial services such as insurance and benefits related products and services, risk management, and international banking solutions. In serving the commercial banking segment we compete based on an in-depth understanding of our customers' financial needs, the ability to match market competitive solutions to those needs, and the highest standards of relationship and service excellence in the delivery of these services.

Consumer Banking – The Consumer Banking segment serves individuals and small businesses (typically entities with less than $10million in annual sales) through our various Retail Banking and Private Client offices, and provides companies of varying sizes with fiduciary services such as administration of pension, profit-sharing and other employee benefit plans, fiduciary and corporate agency services, and institutional asset management. The services provided to our individual and small business customers include but are not limited to: (1) Transactional solutions such as checking, credit, debit and pre-paid cards, online banking and bill pay, and money transfer services; (2) Lending solutions such as residential mortgages, home equity loans and lines of credit, business loans and lines, and personal and installment loans; and (3) Investable funds solutions such as savings, money market deposit accounts, IRA accounts, certificates of deposit, fixed and variable annuities, full-service, discount and on-line investment brokerage; as well as trust and investment management accounts. In serving the consumer banking segment we compete based on providing a broad range of solutions to meet the needs of our customers in their entire financial lifecycle, convenient access to our services through multiple channels such as branches, phone based services, online and mobile banking, and a relationship based business model which assists our customers in navigating any changes and challenges in their financial circumstances.

Risk Management and Shared Services – The Risk Management and Shared Services segment includes Corporate Risk Management, Credit Administration, Finance, Treasury, Operations and Technology, which are key shared functions. The segment also includes Parent Company activity, intersegment eliminations and residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (funds transfer pricing mismatches) and credit risk and provision residuals (long term credit charge mismatches). The earning assets within this segment include the Corporation's investment portfolio and capital includes both allocated as well as any remaining unallocated capital.

Information about the Corporation's segments is presented below.

Segment Income Statement Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Three Months Ended March 31, 2014
Net interest income		$	73,543		$	71,997		$	19,433		$	164,973
Noninterest income			24,234			43,448			5,839			73,521
	Total revenue		97,777			115,445			25,272			238,494
Credit provision *			13,032			4,948			(12,980)			5,000
Noninterest expense			47,268			99,482			20,908			167,658
Income before income taxes			37,477			11,015			17,344			65,836
Income tax expense			13,117			3,855			3,665			20,637
Net income		$	24,360		$	7,160		$	13,679		$	45,199
Return on average allocated capital (ROT1CE) **			12.5	%		5.9	%		8.1	%		9.4	%
Three Months Ended March 31, 2013
Net interest income		$	77,180		$	79,191		$	1,282		$	157,653
Noninterest income			23,169			54,195			4,636			82,000
	Total revenue		100,349			133,386			5,918			239,653
Credit provision *			12,213			4,472			(13,385)			3,300
Noninterest expense			46,644			102,513			18,458			167,615
Income before income taxes			41,492			26,401			845			68,738
Income tax expense (benefit)			14,522			9,240			(2,412)			21,350
Net income		$	26,970		$	17,161		$	3,257		$	47,388
Return on average allocated capital (ROT1CE) **			14.5	%		12.8	%		1.4	%		10.1	%
Segment Balance Sheet Data
	($ in Thousands)		Commercial Banking		Consumer Banking			Risk Management and Shared Services			Consolidated Total
Average Balances for 1Q 2014
Average earning assets		$	8,850,984		$	7,230,394		$	5,811,125		$	21,892,503
Average loans			8,843,070			7,230,394			91,153			16,164,617
Average deposits			5,241,027			9,539,887			2,209,358			16,990,272
Average allocated capital (T1CE) **		$	787,257		$	488,425		$	623,853		$	1,899,535
Average Balances for 1Q 2013
Average earning assets		$	8,156,150		$	7,298,554		$	5,226,215		$	20,680,919
Average loans			8,145,829			7,298,554			3,769			15,448,152
Average deposits			5,374,633			9,598,352			2,173,399			17,146,384
Average allocated capital (T1CE) **		$	754,004		$	543,345		$	559,082		$	1,856,431
* The consolidated credit provision is equal to the actual reported provision for credit losses.
** ROT1CE reflects return on average allocated Tier 1 common equity ("T1CE"). The ROT1CE for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.

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Balance Sheet Offsetting

3 Months Ended

Mar. 31, 2014

Balance Sheet Offsetting Disclosure [Abstract]

Balance Sheet Offsetting

NOTE 11: Balance Sheet Offsetting

Interest Rate-Related Instruments (“Interest Agreements”)

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers. The Corporation mitigates this risk by entering into equal and offsetting interest rate-related instruments with highly rated third party financial institutions. The interest agreements are free-standing derivatives and are recorded at fair value in the Corporation's consolidated balance sheet. The Corporation is party to master netting arrangements with its financial institution counterparties; however, the Corporation does not offset assets and liabilities under these arrangements for financial statement presentation purposes. The master netting arrangements provide for a single net settlement of all interest agreements, as well as collateral, in the event of default on, or termination of, any one contract. Collateral, usually in the form of investment securities, is posted by the counterparty with net liability positions in accordance with contract thresholds. See Note 10 for additional information on the Corporation's derivative and hedging activities.

Securities Sold Under Agreements to Repurchase (“Repurchase Agreements”)

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. As a result, these repurchase agreements are accounted for as collateralized financing arrangements (i.e., secured borrowings) and not as a sale and subsequent repurchase of securities. The obligation to repurchase the securities is reflected as a liability in the Corporation's consolidated balance sheet, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). The right of setoff for a repurchase agreement resembles a secured borrowing, whereby the collateral would be used to settle the fair value of the repurchase agreement should the Corporation be in default (e.g., fails to make an interest payment to the counterparty). In addition, the Corporation does not enter into reverse repurchase agreements; therefore, there is no such offsetting to be done with the repurchase agreements.

The following table presents the assets and liabilities subject to an enforceable master netting arrangement as of March31, 2014 and December 31, 2013. The swap agreements we have with our commercial customers are not subject to an enforceable master netting arrangement, and therefore, are excluded from this table.

March 31, 2014								Gross amounts not offset
	Gross		Gross amounts		Net amounts			in the balance sheet
	amounts		offset in the		presented in		Financial
	recognized		balance sheet		the balance sheet		instruments			Collateral	Net amount
	($ in Thousands)
Derivative assets:
Interest rate-related instruments	$	2,069	$	―	$	2,069	$	(2,068)	$	―	$	1
Derivative liabilities:
Interest rate-related instruments	$	39,884	$	―	$	39,884	$	(2,068)	$	(32,136)	$	5,680
December 31, 2013
Derivative assets:
Interest rate-related instruments	$	3,084	$	―	$	3,084	$	(3,082)	$	―	$	2
Derivative liabilities:
Interest rate-related instruments	$	41,786	$	―	$	41,786	$	(3,082)	$	(33,405)	$	5,299

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Goodwill And Other Intangible Assets

3 Months Ended

Mar. 31, 2014

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

NOTE 7: Goodwill and Other Intangible Assets

Goodwill:Goodwill is not amortized but, instead, is subject to impairment tests on at least an annual basis, and more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. The impairment testing process is conducted by assigning net assets and goodwill to each reporting unit. An initial qualitative evaluation is made to assess the likelihood of impairment and determine whether further quantitative testing to calculate the fair value is necessary. When the qualitative evaluation indicates that impairment is more likely than not, quantitative testing is required whereby the fair value of each reporting unit is calculated and compared to the recorded book value, “step one.” If the calculated fair value of the reporting unit exceeds its carrying value, goodwill is not considered impaired and “step two” is not considered necessary. If the carrying value of a reporting unit exceeds its calculated fair value, the impairment test continues (“step two”) by comparing the carrying value of the reporting unit's goodwill to the implied fair value of goodwill. The implied fair value is computed by adjusting all assets and liabilities of the reporting unit to current fair value with the offset adjustment to goodwill. The adjusted goodwill balance is the implied fair value of the goodwill. An impairment charge is recognized if the carrying value of goodwill exceeds the implied fair value of goodwill.

The Corporation conducted its annual impairment testing in May 2013, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance (both current and projected), changes in management strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the significant increases in both the Corporation's common stock price and in the overall bank common stock index (based on the Nasdaq bank index), as well as the Corporation's improving earnings per common share trend over the past year. Based on these assessments, management concluded that the 2013 annual qualitative impairment assessment indicated that it is more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step onequantitative analysis was not required.There were no impairment charges recorded in 2013 or through March 31, 2014. It is possible that a future conclusion could be reached that all or a portion of the Corporation's goodwill may be impaired, in which case a non-cash charge for the amount of such impairment would be recorded in earnings. Such a charge, if any, would have no impact on tangible capital and would not affect the Corporation's “well-capitalized” designation.

At March 31, 2014, the Corporation had goodwill of $929 million, including goodwill of $428 million assigned to the Commercial Banking reporting unit and goodwill of $501 million assigned to the Consumer Banking reporting unit. There was no change in the carrying amount of goodwill for the three months ended March 31, 2014, and the year ended December 31, 2013.

Other Intangible Assets: The Corporation has other intangible assets that are amortized, consisting of core deposit intangibles, other intangibles (primarily related to customer relationships acquired in connection with the Corporation's insurance agency acquisitions), and mortgage servicing rights. For core deposit intangibles and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows.

	Three Months Ended		Year Ended
	March 31, 2014		December 31, 2013
		($ in Thousands)
Core deposit intangibles:
Gross carrying amount	$	36,230	$	36,230
Accumulated amortization		(32,336)		(31,565)
Net book value	$	3,894	$	4,665
Amortization during the period	$	771	$	3,122
Other intangibles:
Gross carrying amount	$	19,283	$	19,283
Accumulated amortization		(12,984)		(12,764)
Net book value	$	6,299	$	6,519
Amortization during the period	$	220	$	921

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. Upon sale, a mortgage servicing rights asset is capitalized, which represents the thencurrent fair value of future net cash flows expected to be realized for performing servicing activities. Mortgage servicing rights, when purchased, are initially recorded at fair value. As the Corporation has not elected to subsequently measure any class of servicing assets under the fair value measurement method, the Corporation follows the amortization method. Mortgage servicing rights are amortized in proportion to and over the period of estimated net servicing income, and assessed for impairment at each reporting date. Mortgage servicing rights are carried at the lower of the initial capitalized amount, net of accumulated amortization, or estimated fair value, and are included in other intangible assets, net, in the consolidated balance sheets.

The Corporation periodically evaluates its mortgage servicing rights asset for impairment. Impairment is assessed based on fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fall, prepayment speeds are usually faster and the value of the mortgage servicing rights asset generally decreases, requiring additional valuation reserve. Conversely, as mortgage interest rates rise, prepayment speeds are usually slower and the value of the mortgage servicing rights asset generally increases, requiring less valuation reserve. A valuation allowance is established, through a charge to earnings, to the extent the amortized cost of the mortgage servicing rights exceeds the estimated fair value by stratification. If it is later determined that all or a portion of the temporary impairment no longer exists for a stratification, the valuation is reduced through a recovery to earnings. An other-than-temporary impairment (i.e., recoverability is considered remote when considering interest rates and loan pay off activity) is recognized as a write-down of the mortgage servicing rights asset and the related valuation allowance (to the extent a valuation allowance is available) and then against earnings. A direct write-down permanently reduces the carrying value of the mortgage servicing rights asset and valuation allowance, precluding subsequent recoveries.See Note 12 for a discussion of the recourse provisions on serviced residential mortgage loans. See Note 13 which further discusses fair value measurement relative to the mortgage servicing rights asset.

A summary of changes in the balance of the mortgage servicing rights asset and the mortgage servicing rights valuation allowance was as follows.

		Three Months Ended			Year Ended
		March 31, 2014			December 31, 2013
			($ in Thousands)
Mortgage servicing rights:
Mortgage servicing rights at beginning of period		$	64,193		$	61,425
	Additions		1,725			18,256
	Amortization		(2,725)			(15,488)
Mortgage servicing rights at end of period		$	63,193		$	64,193
Valuation allowance at beginning of period			(913)			(15,476)
	Recoveries, net		156			14,563
Valuation allowance at end of period			(757)			(913)
Mortgage servicing rights, net		$	62,436		$	63,280
Fair value of mortgage servicing rights		$	71,987		$	74,444
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)			8,084,000			8,084,000
Mortgage servicing rights, net to servicing portfolio			0.77	%		0.78	%
Mortgage servicing rights expense (1)		$	2,569		$	925

(1)Includes the amortization of mortgage servicing rights and additions/recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net, in the consolidated statements of income.

The following table shows the estimated future amortization expense for amortizing intangible assets. The projections of amortization expense are based on existing asset balances, the current interest rate environment, and prepayment speeds as of March 31, 2014. The actual amortization expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable.

	Core Deposit		Other		Mortgage Servicing
Estimated amortization expense:	Intangibles		Intangibles		Rights
		($ in Thousands)
Nine months ending December 31, 2014	$	2,097	$	659	$	7,685
Year ending December 31, 2015		1,404		839		8,777
Year ending December 31, 2016		281		803		7,345
Year ending December 31, 2017		112		770		6,171
Year ending December 31, 2018		―		740		5,197
Year ending December 31, 2019		―		441		4,397
Beyond 2019		―		2,047		23,621
Total Estimated Amortization Expense	$	3,894	$	6,299	$	63,193

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Loans, Allowance for Loan Losses, and Credit Quality Loans Modified in a Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Financing Receivable, Modifications [Line Items]
Number of Loans	68	89
Recorded Investment	$ 14,082	$ 12,096
Unpaid Principal Balance	18,833	15,012
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	8	22
Recorded Investment	3,446	2,844
Unpaid Principal Balance	7,218	5,315
Commercial Real Estate Owner Occupied Portfolio [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	4	3
Recorded Investment	5,298	2,217
Unpaid Principal Balance	5,781	2,228
Commercial Real Estate Investor Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	4	5
Recorded Investment	1,643	2,035
Unpaid Principal Balance	1,676	2,087
Commercial Real Estate Construction Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	5
Recorded Investment	0	1,960
Unpaid Principal Balance	0	1,980
Home Equity Port Folio Segments [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	30	28
Recorded Investment	935	1,301
Unpaid Principal Balance	1,218	1,385
Installment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Recorded Investment	10	175
Unpaid Principal Balance	20	175
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	21	25
Recorded Investment	2,750	1,564
Unpaid Principal Balance	$ 2,920	$ 1,842

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Investment Securities

3 Months Ended

Mar. 31, 2014

Investment Securities [Abstract]

Investment Securities

NOTE 5: Investment Securities

The amortized cost and fair values of investment securities available for sale and held to maturity were as follows.

						Gross		Gross
				Amortized		unrealized		unrealized
March 31, 2014:				cost		gains		losses			Fair value
					($ in Thousands)
Investment securities available for sale:
	U.S. Treasury securities			$	1,001	$	1	$	0	$	1,002
	Obligations of state and political subdivisions
		(municipal securities)			640,433		25,539		(628)		665,344
	Residential mortgage-related securities:
		Government-sponsored enterprise ("GSE")			3,767,991		60,240		(58,989)		3,769,242
		Private-label			2,699		16		(18)		2,697
	GNMA commercial mortgage-related securities				839,488		1,703		(27,624)		813,567
	Asset-backed securities (1)				21,318		―		(36)		21,282
	Other securities (debt and equity)				4,720		62		(8)		4,774
			Total investment securities available for sale	$	5,277,650	$	87,561	$	(87,303)	$	5,277,908

Investment securities held to maturity:
	Obligations of state and political subdivisions
		(municipal securities)		$	193,759	$	2,372	$	(2,985)	$	193,146
			Total investment securities held to maturity	$	193,759	$	2,372	$	(2,985)	$	193,146
(1) The asset-backed securities position is largely comprised of senior, floating rate, tranches of student loan securities issued by SLM Corp and guaranteed under the Federal Family Education Loan Program.

						Gross		Gross
				Amortized		unrealized		unrealized
December 31, 2013:				cost		gains		losses			Fair value
					($ in Thousands)
Investment securities available for sale:
	U.S. Treasury securities			$	1,001	$	1	$	0	$	1,002
	Obligations of state and political subdivisions
		(municipal securities)			653,758		23,855		(1,533)		676,080
	Residential mortgage-related securities:
		GSE			3,855,467		61,542		(78,579)		3,838,430
		Private-label			3,035		16		(37)		3,014
	GNMA commercial mortgage-related securities				673,555		1,764		(27,842)		647,477
	Asset-backed securities (1)				23,049		10		0		23,059
	Other securities (debt and equity)				60,711		855		(43)		61,523
			Total investment securities available for sale	$	5,270,576	$	88,043	$	(108,034)	$	5,250,585

Investment securities held to maturity:
	Obligations of state and political subdivisions
		(municipal securities)		$	175,210	$	401	$	(5,722)	$	169,889
			Total investment securities held to maturity	$	175,210	$	401	$	(5,722)	$	169,889

The amortized cost and fair values of investment securities available for sale and held to maturity at March 31, 2014, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

		Available for Sale					Held to Maturity
($ in Thousands)		Amortized Cost			Fair Value		Amortized Cost			Fair Value
Due in one year or less		$	23,534	$	23,714		$	-	$	-
Due after one year through five years			202,811		212,978			230		231
Due after five years through ten years			404,168		418,321			82,187		81,033
Due after ten years			15,623		16,054			111,342		111,882
	Total debt securities		646,136		671,067			193,759		193,146
Residential mortgage-related securities:
	GSE		3,767,991		3,769,242			-		-
	Private label		2,699		2,697			-		-
GNMA commercial mortgage-related securities			839,488		813,567			-		-
Asset-backed securities			21,318		21,282			-		-
Equity securities			18		53			-		-
	Total investment securities	$	5,277,650	$	5,277,908		$	193,759	$	193,146
Ratio of Fair Value to Amortized Cost					100.00	%				99.7	%

The following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at March 31, 2014.

			Less than 12 months					12 months or more						Total
			Number of	Unrealized			Fair	Number of	Unrealized			Fair	Unrealized			Fair
March 31, 2014:			Securities		Losses		Value	Securities		Losses		Value		Losses		Value
					($ in Thousands)
Investment securities available for sale:
	Obligations of state and political
		subdivisions (municipal securities)	86	$	(620)	$	36,357	1	$	(8)	$	271	$	(628)	$	36,628
	Residential mortgage-related securities:
		GSE	86		(36,552)		1,439,729	19		(22,437)		555,664		(58,989)		1,995,393
		Private-label	1		(17)		1,917	2		(1)		38		(18)		1,955
	GNMA commercial mortgage-related securities		17		(12,541)		425,310	7		(15,083)		209,336		(27,624)		634,646
	Asset backed securities		2		(36)		21,282	0		―		―		(36)		21,282
	Other debt securities		3		(8)		1,492	0		―		―		(8)		1,492
		Total		$	(49,774)	$	1,926,087		$	(37,529)	$	765,309	$	(87,303)	$	2,691,396
Investment securities held to maturity:
	Obligations of state and political
		subdivisions (municipal securities)	168	$	(2,377)	$	76,708	25	$	(608)	$	11,272	$	(2,985)	$	87,980
		Total		$	(2,377)	$	76,708		$	(608)	$	11,272	$	(2,985)	$	87,980

The Corporation reviews the investment securities portfolio on a quarterly basis to monitor its exposure to other-than-temporary impairment. A determination as to whether a security's decline in fair value is other-than-temporary takes into consideration numerous factors and the relative significance of any single factor can vary by security. Some factors the Corporation may consider in the other-than-temporary impairment analysis include, the length of time and extent to which the security has been in an unrealized loss position, changes in security ratings, financial condition and near-term prospects of the issuer, as well as security and industry specific economic conditions. In addition, with regards to its debt securities, the Corporation may also evaluate payment structure, whether there are defaulted payments or expected defaults, prepayment speeds, and the value of any underlying collateral. For certain debt securities in unrealized loss positions, the Corporation prepares cash flow analyses to compare the present value of cash flows expected to be collected from the security with the amortized cost basis of the security.

Based on the Corporation's evaluation, management does not believe any unrealized loss at March 31, 2014 represents an other-than-temporary impairment as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions, and not credit deterioration. The unrealized losses reported for residential mortgage-related securities relate to private-label residential mortgage-related securities as well as residential mortgage-related securities issued by government-sponsored enterprises such as the Federal National Mortgage Association (“FNMA”) and the Federal Home Loan Mortgage Corporation (“FHLMC”). The unrealized losses reported for commercial mortgage-related securities relate to government agency issued securities, Government National Mortgage Association ("GNMA").The Corporation currently does not intend to sell nor does it believe that it will be required to sell the securities contained in the above unrealized losses table before recovery of their amortized cost basis.

The following is a summary of the credit loss portion of other-than-temporary impairment recognized in earnings on debt securities for the year ended December 31,2013 and thethree months endedMarch 31, 2014, respectively.

		Private-label
		Mortgage-Related		Trust Preferred
		Securities		Debt Securities			Total
		($ in Thousands)
Balance of credit-related other-than-temporary
	impairment at December 31, 2012	$	(532)	$	(6,336)	$	(6,868)
Reduction due to credit impaired securities sold			532		57		589
Balance of credit-related other-than-temporary							.
	impairment at December 31, 2013	$	―	$	(6,279)	$	(6,279)
Reduction due to credit impaired securities sold			―		765		765
Balance of credit-related other-than-temporary							.
	impairment at March 31, 2014	$	―	$	(5,514)	$	(5,514)

For comparative purposes, the following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2013.

					Less than 12 months					12 months or more				Total
			Number					Number
			of	Unrealized				of	Unrealized				Unrealized
December 31, 2013:			Securities	Losses		Fair Value		Securities	Losses		Fair Value		Losses		Fair Value
					($ in Thousands)
Investment securities available for sale:
	Obligations of state and political
		subdivisions (municipal securities)	113	$	(1,525)	$	47,044	1	$	(8)	$	273	$	(1,533)	$	47,317
	Residential mortgage-related securities:
		GSE	106		(57,393)		1,887,784	15		(21,186)		421,082		(78,579)		2,308,866
		Private label	2		(37)		2,105	1		-		35		(37)		2,140
	GNMA commercial mortgage-related securities		19		(23,854)		443,462	0		(3,988)		45,950		(27,842)		489,412
	Other debt securities		5		(43)		6,452	1		-		-		(43)		6,452
		Total		$	(82,852)	$	2,386,847		$	(25,182)	$	467,340	$	(108,034)	$	2,854,187
Investment securities held to maturity:
	Obligations of state and political
		subdivisions (municipal securities)	298	$	(5,339)	$	124,435	10	$	(383)	$	5,010	$	(5,722)	$	129,445
		Total		$	(5,339)	$	124,435		$	(383)	$	5,010	$	(5,722)	$	129,445

Federal Home Loan Bank (“FHLB”) and Federal Reserve Bank Stocks: The Corporation is required to maintain Federal Reserve stock and FHLB stock as a member of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $110 million at bothMarch 31, 2014 and December 31, 2013 and Federal Reserve Bank stock of $71million at bothMarch 31, 2014 and December 31, 2013.

The Corporation reviewed these securities for impairment, including but not limited to, consideration of operating performance, the severity and duration of market value declines, as well as its liquidity and funding position. After evaluating all of these considerations, the Corporation believes the cost of these investments will be recovered and no impairment has been recorded on these securities during 2013 or the first three months of 2014.

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Loans Allowance for Loan Losses and Credit Quality

3 Months Ended

Mar. 31, 2014

Loans Allowance for Loan Losses and Credit Quality Disclosure [Abstract]

Loans, Allowance for Loan Losses, and Credit Quality

NOTE 6: Loans, Allowance for Credit Losses, and Credit Quality

The period end loan composition was as follows.
					March 31,		December 31,
					2014		2013
					($ in Thousands)
Commercial and industrial				$	5,222,141	$	4,822,680
Commercial real estate - owner occupied					1,098,089		1,114,715
Lease financing					52,500		55,483
	Commercial and business lending				6,372,730		5,992,878
Commercial real estate - investor					3,001,219		2,939,456
Real estate construction					969,617		896,248
	Commercial real estate lending				3,970,836		3,835,704
		Total commercial			10,343,566		9,828,582
Home equity					1,762,002		1,825,014
Installment					393,321		407,074
Residential mortgage					3,942,555		3,835,591
		Total consumer			6,097,878		6,067,679
			Total loans	$	16,441,444	$	15,896,261

A summary of the changes in the allowance for credit losses was as follows.
		Three Months Ended		Year Ended
		March 31, 2014		December 31, 2013
			($ in Thousands)
Allowance for Loan Losses:
Balance at beginning of period		$	268,315	$	297,409
Provision for loan losses			5,000		10,000
Charge offs			(11,361)		(88,061)
Recoveries			5,962		48,967
	Net charge offs		(5,399)		(39,094)
Balance at end of period		$	267,916	$	268,315
Allowance for Unfunded Commitments:
Balance at beginning of period		$	21,900	$	21,800
Provision for unfunded commitments			-		100
Balance at end of period		$	21,900	$	21,900
Allowance for Credit Losses		$	289,816	$	290,215

The level of the allowance for loan losses represents management's estimate of an amount appropriate to provide for probable credit losses in the loan portfolio at the balance sheet date. In general, the change in the allowance for loan losses is a function of a number of factors, including but not limited to changes in the loan portfolio, net charge offs, trends in past due and impaired loans, and the level of potential problem loans. Management considers the allowance for loan losses a critical accounting policy, as assessing these numerous factors involves significant judgment.

Theallowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb estimated probable losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit) and is included in accrued expenses and other liabilities on the consolidated balance sheets. The determination of the appropriate level of the allowance is based upon an evaluation of the unfunded credit facilities, including an assessment of historical commitment utilization experience and credit risk grading of the loan. Net adjustments to the allowance for unfunded commitments are included in provision for credit losses in the consolidated statements of income. See Note 12 for additional information on the allowance for unfunded commitments.

A summary of the changes in the allowance for loan losses by portfolio segment for the three months ended March 31, 2014, was as follows.

$ in Thousands	Commercial and industrial		Commercial real estate - owner occupied		Lease financing		Commercial real estate - investor		Real estate construction			Home equity	Installment		Residential mortgage			Total
Balance at Dec 31, 2013	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Provision for loan losses		9,593		(97)		374		(3,325)		(2,341)		495		96		205		5,000
Charge offs		(5,334)		(163)		-		(302)		(271)		(3,581)		(307)		(1,403)		(11,361)
Recoveries		2,609		287		-		1,333		158		1,134		194		247		5,962
Balance at Mar 31, 2014	$	111,369	$	19,503	$	1,981	$	55,862	$	20,964	$	30,244	$	2,399	$	25,594	$	267,916
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	6,978	$	1,322	$	-	$	3,983	$	203	$	4	$	-	$	259	$	12,749
Ending balance impaired loans collectively evaluated for impairment	$	3,667	$	1,864	$	69	$	4,141	$	1,947	$	13,095	$	448	$	11,829	$	37,060
Total impaired loans	$	10,645	$	3,186	$	69	$	8,124	$	2,150	$	13,099	$	448	$	12,088	$	49,809
Ending balance all other loans collectively evaluated for impairment	$	100,724	$	16,317	$	1,912	$	47,738	$	18,814	$	17,145	$	1,951	$	13,506	$	218,107
Total	$	111,369	$	19,503	$	1,981	$	55,862	$	20,964	$	30,244	$	2,399	$	25,594	$	267,916
Loans:
Ending balance impaired loans individually evaluated for impairment	$	31,526	$	21,580	$	-	$	28,790	$	3,930	$	427	$	-	$	9,966	$	96,219
Ending balance impaired loans collectively evaluated for impairment	$	34,738	$	16,734	$	172	$	50,841	$	5,691	$	31,630	$	1,140	$	57,737	$	198,683
Total impaired loans	$	66,264	$	38,314	$	172	$	79,631	$	9,621	$	32,057	$	1,140	$	67,703	$	294,902
Ending balance all other loans collectively evaluated for impairment	$	5,155,877	$	1,059,775	$	52,328	$	2,921,588	$	959,996	$	1,729,945	$	392,181	$	3,874,852	$	16,146,542
Total	$	5,222,141	$	1,098,089	$	52,500	$	3,001,219	$	969,617	$	1,762,002	$	393,321	$	3,942,555	$	16,441,444

The allocation methodology used by the Corporation includes allocations for specifically identified impaired loans and loss factor allocations (used for both criticized and non-criticized loan categories), with a component primarily based on historical loss rates and a component primarily based on other qualitative factors. Management allocates the allowance for loan losses by pools of risk within each loan portfolio. The allocation of the allowance for loan losses by loan portfolio is made for analytical purposes and is not necessarily indicative of the trend of future loan losses in any particular category. The total allowance for loan losses is available to absorb losses from any segment of the loan portfolio.

For comparison purposes, a summary of the changes in the allowance for loan losses by portfolio segment for the year ended December 31, 2013, was as follows.

$ in Thousands	Commercial and industrial		Commercial real estate - owner occupied			Lease financing	Commercial real estate - investor		Real estate construction		Home equity		Installment		Residential mortgage			Total
Balance at Dec 31, 2012	$	97,852	$	27,389	$	3,024	$	63,181	$	20,741	$	56,826	$	4,299	$	24,097	$	297,409
Provision for loan losses		12,930		(1,778)		(1,429)		(2,140)		541		(8,213)		(2,127)		12,216		10,000
Charge offs		(35,146)		(6,474)		(206)		(9,846)		(3,375)		(20,629)		(1,389)		(10,996)		(88,061)
Recoveries		28,865		339		218		6,961		5,511		4,212		1,633		1,228		48,967
Balance at Dec 31, 2013	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Allowance for loan losses:
Ending balance impaired loans individually evaluated for impairment	$	7,994	$	1,019	$	-	$	3,932	$	254	$	123	$	-	$	315	$	13,637
Ending balance impaired loans collectively evaluated for impairment	$	3,923	$	1,936	$	29	$	3,963	$	2,162	$	13,866	$	487	$	11,872	$	38,238
Total impaired loans	$	11,917	$	2,955	$	29	$	7,895	$	2,416	$	13,989	$	487	$	12,187	$	51,875
Ending balance all other loans collectively evaluated for impairment	$	92,584	$	16,521	$	1,578	$	50,261	$	21,002	$	18,207	$	1,929	$	14,358	$	216,440
Total	$	104,501	$	19,476	$	1,607	$	58,156	$	23,418	$	32,196	$	2,416	$	26,545	$	268,315
Loans:
Ending balance impaired loans individually evaluated for impairment	$	29,343	$	24,744	$	-	$	32,367	$	3,777	$	929	$	-	$	10,526	$	101,686
Ending balance impaired loans collectively evaluated for impairment	$	40,893	$	17,929	$	69	$	50,175	$	6,483	$	33,871	$	1,360	$	56,947	$	207,727
Total impaired loans	$	70,236	$	42,673	$	69	$	82,542	$	10,260	$	34,800	$	1,360	$	67,473	$	309,413
Ending balance all other loans collectively evaluated for impairment	$	4,752,444	$	1,072,042	$	55,414	$	2,856,914	$	885,988	$	1,790,214	$	405,714	$	3,768,118	$	15,586,848
Total	$	4,822,680	$	1,114,715	$	55,483	$	2,939,456	$	896,248	$	1,825,014	$	407,074	$	3,835,591	$	15,896,261

The following table presents commercial loans by credit quality indicator at March 31, 2014.
		Pass		Special Mention		Potential Problem		Impaired		Total
		($ in Thousands)
Commercial and industrial	$	4,923,304	$	123,546	$	109,027	$	66,264	$	5,222,141
Commercial real estate - owner occupied		938,769		56,221		64,785		38,314		1,098,089
Lease financing		46,892		2,371		3,065		172		52,500
Commercial and business lending		5,908,965		182,138		176,877		104,750		6,372,730
Commercial real estate - investor		2,835,903		50,895		34,790		79,631		3,001,219
Real estate construction		951,759		3,367		4,870		9,621		969,617
Commercial real estate lending		3,787,662		54,262		39,660		89,252		3,970,836
Total commercial	$	9,696,627	$	236,400	$	216,537	$	194,002	$	10,343,566
The following table presents commercial loans by credit quality indicator at December 31, 2013.
		Pass		Special Mention		Potential Problem		Impaired		Total
		($ in Thousands)
Commercial and industrial	$	4,485,160	$	153,615	$	113,669	$	70,236	$	4,822,680
Commercial real estate - owner occupied		959,849		55,404		56,789		42,673		1,114,715
Lease financing		52,733		897		1,784		69		55,483
Commercial and business lending		5,497,742		209,916		172,242		112,978		5,992,878
Commercial real estate - investor		2,740,255		64,230		52,429		82,542		2,939,456
Real estate construction		877,911		2,814		5,263		10,260		896,248
Commercial real estate lending		3,618,166		67,044		57,692		92,802		3,835,704
Total commercial	$	9,115,908	$	276,960	$	229,934	$	205,780	$	9,828,582

The following table presents consumer loans by credit quality indicator at March 31, 2014.
		Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
		($ in Thousands)
Home equity	$	1,719,075	$	9,819	$	1,051	$	32,057	$	1,762,002
Installment		390,912		1,269		-		1,140		393,321
Residential mortgage		3,868,263		4,498		2,091		67,703		3,942,555
Total consumer	$	5,978,250	$	15,586	$	3,142	$	100,900	$	6,097,878
The following table presents consumer loans by credit quality indicator at December 31, 2013.
		Performing		30-89 Days Past Due		Potential Problem		Impaired		Total
		($ in Thousands)
Home equity	$	1,777,421	$	10,680	$	2,113	$	34,800	$	1,825,014
Installment		404,514		1,150		50		1,360		407,074
Residential mortgage		3,758,688		6,118		3,312		67,473		3,835,591
Total consumer	$	5,940,623	$	17,948	$	5,475	$	103,633	$	6,067,679

Factors that are important to managing overall credit quality are sound loan underwriting and administration, systematic monitoring of existing loans and commitments, effective loan review on an ongoing basis, early identification of potential problems, and appropriate allowance for loan losses, nonaccrual and charge off policies.

For commercial loans, management has determined the pass credit quality indicator to include credits that exhibit acceptable financial statements, cash flow, and leverage. If anyrisk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits that are performing in accordance with the original contractual terms. Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that deserve management's attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Potential problem loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses that may jeopardize liquidation of the debt and are characterized by the distinct possibility that the Corporation will sustain some loss if the deficiencies are not corrected. Lastly, management considers a loan to be impaired when it is probable that the Corporation will be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. Management has determined that commercial and consumer loan relationships that have nonaccrual status or have had their terms restructured in a troubled debt restructuring meet this impaired loan definition. Commercial loans classified as special mention, potential problem, and impaired are reviewed at a minimum on a quarterly basis, while pass and performing rated credits are reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

The following table presents loans by past due status at March 31, 2014.
		30-59 Days Past Due		60-89 Days Past Due	90 Days or More Past Due *			Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,484	$	642	$	16	$	4,142	$	5,179,511	$	5,183,653
Commercial real estate - owner occupied		5,292		50		-		5,342		1,066,012		1,071,354
Lease financing		567		-		-		567		51,761		52,328
Commercial and business lending		9,343		692		16		10,051		6,297,284		6,307,335
Commercial real estate - investor		5,582		1,606		-		7,188		2,960,420		2,967,608
Real estate construction		295		384		-		679		962,271		962,950
Commercial real estate lending		5,877		1,990		-		7,867		3,922,691		3,930,558
Total commercial		15,220		2,682		16		17,918		10,219,975		10,237,893
Home equity		8,114		1,705		68		9,887		1,729,630		1,739,517
Installment		1,004		265		586		1,855		390,551		392,406
Residential mortgage		3,968		530		53		4,551		3,889,099		3,893,650
Total consumer		13,086		2,500		707		16,293		6,009,280		6,025,573
Total accruing loans	$	28,306	$	5,182	$	723	$	34,211	$	16,229,255	$	16,263,466
Nonaccrual loans
Commercial and industrial	$	3,395	$	1,613	$	4,131	$	9,139	$	29,349	$	38,488
Commercial real estate - owner occupied		1,040		987		3,641		5,668		21,067		26,735
Lease financing		29		-		10		39		133		172
Commercial and business lending		4,464		2,600		7,782		14,846		50,549		65,395
Commercial real estate - investor		1,832		3,915		17,037		22,784		10,827		33,611
Real estate construction		21		24		2,529		2,574		4,093		6,667
Commercial real estate lending		1,853		3,939		19,566		25,358		14,920		40,278
Total commercial		6,317		6,539		27,348		40,204		65,469		105,673
Home equity		1,824		2,216		11,678		15,718		6,767		22,485
Installment		86		200		133		419		496		915
Residential mortgage		3,817		3,536		24,194		31,547		17,358		48,905
Total consumer		5,727		5,952		36,005		47,684		24,621		72,305
Total nonaccrual loans	$	12,044	$	12,491	$	63,353	$	87,888	$	90,090	$	177,978
Total loans
Commercial and industrial	$	6,879	$	2,255	$	4,147	$	13,281	$	5,208,860	$	5,222,141
Commercial real estate - owner occupied		6,332		1,037		3,641		11,010		1,087,079		1,098,089
Lease financing		596		-		10		606		51,894		52,500
Commercial and business lending		13,807		3,292		7,798		24,897		6,347,833		6,372,730
Commercial real estate - investor		7,414		5,521		17,037		29,972		2,971,247		3,001,219
Real estate construction		316		408		2,529		3,253		966,364		969,617
Commercial real estate lending		7,730		5,929		19,566		33,225		3,937,611		3,970,836
Total commercial		21,537		9,221		27,364		58,122		10,285,444		10,343,566
Home equity		9,938		3,921		11,746		25,605		1,736,397		1,762,002
Installment		1,090		465		719		2,274		391,047		393,321
Residential mortgage		7,785		4,066		24,247		36,098		3,906,457		3,942,555
Total consumer		18,813		8,452		36,712		63,977		6,033,901		6,097,878
Total loans	$	40,350	$	17,673	$	64,076	$	122,099	$	16,319,345	$	16,441,444
* The recorded investment in loans past due 90 days or more and still accruing totaled $723 thousand at March 31, 2014 (the same as the reported balances for the accruing loans noted above).

The following table presents loans by past due status at December 31, 2013.
		30-59 Days Past Due		60-89 Days Past Due	90 Days or More Past Due *			Total Past Due		Current		Total
	($ in Thousands)
Accruing loans
Commercial and industrial	$	3,390	$	3,436	$	1,199	$	8,025	$	4,776,936	$	4,784,961
Commercial real estate - owner occupied		1,015		2,091		-		3,106		1,081,945		1,085,051
Lease financing		-		-		-		-		55,414		55,414
Commercial and business lending		4,405		5,527		1,199		11,131		5,914,295		5,925,426
Commercial real estate - investor		9,081		14,134		-		23,215		2,878,645		2,901,860
Real estate construction		836		1,118		-		1,954		887,827		889,781
Commercial real estate lending		9,917		15,252		-		25,169		3,766,472		3,791,641
Total commercial		14,322		20,779		1,199		36,300		9,680,767		9,717,067
Home equity		8,611		2,069		346		11,026		1,788,821		1,799,847
Installment		885		265		637		1,787		404,173		405,960
Residential mortgage		5,253		865		168		6,286		3,781,673		3,787,959
Total consumer		14,749		3,199		1,151		19,099		5,974,667		5,993,766
Total accruing loans	$	29,071	$	23,978	$	2,350	$	55,399	$	15,655,434	$	15,710,833
Nonaccrual loans
Commercial and industrial	$	998	$	1,764	$	9,765	$	12,527	$	25,192	$	37,719
Commercial real estate - owner occupied		2,482		1,724		11,125		15,331		14,333		29,664
Lease financing		-		-		69		69		-		69
Commercial and business lending		3,480		3,488		20,959		27,927		39,525		67,452
Commercial real estate - investor		3,408		899		20,466		24,773		12,823		37,596
Real estate construction		2,376		-		2,267		4,643		1,824		6,467
Commercial real estate lending		5,784		899		22,733		29,416		14,647		44,063
Total commercial		9,264		4,387		43,692		57,343		54,172		111,515
Home equity		1,725		1,635		14,331		17,691		7,476		25,167
Installment		129		24		289		442		672		1,114
Residential mortgage		3,199		3,257		26,201		32,657		14,975		47,632
Total consumer		5,053		4,916		40,821		50,790		23,123		73,913
Total nonaccrual loans	$	14,317	$	9,303	$	84,513	$	108,133	$	77,295	$	185,428
Total loans
Commercial and industrial	$	4,388	$	5,200	$	10,964	$	20,552	$	4,802,128	$	4,822,680
Commercial real estate - owner occupied		3,497		3,815		11,125		18,437		1,096,278		1,114,715
Lease financing		-		-		69		69		55,414		55,483
Commercial and business lending		7,885		9,015		22,158		39,058		5,953,820		5,992,878
Commercial real estate - investor		12,489		15,033		20,466		47,988		2,891,468		2,939,456
Real estate construction		3,212		1,118		2,267		6,597		889,651		896,248
Commercial real estate lending		15,701		16,151		22,733		54,585		3,781,119		3,835,704
Total commercial		23,586		25,166		44,891		93,643		9,734,939		9,828,582
Home equity		10,336		3,704		14,677		28,717		1,796,297		1,825,014
Installment		1,014		289		926		2,229		404,845		407,074
Residential mortgage		8,452		4,122		26,369		38,943		3,796,648		3,835,591
Total consumer		19,802		8,115		41,972		69,889		5,997,790		6,067,679
Total loans	$	43,388	$	33,281	$	86,863	$	163,532	$	15,732,729	$	15,896,261
* The recorded investment in loans past due 90 days or more and still accruing totaled $2 million at December 31, 2013 (the same as the reported balances for the accruing loans noted above).

The following table presents impaired loans at March 31, 2014.
		Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
Loans with a related allowance		($ in Thousands)
Commercial and industrial	$	56,650	$	62,196	$	10,645	$	58,237	$	347
Commercial real estate - owner occupied		21,746		24,807		3,186		21,918		164
Lease financing		172		10		69		10		-
Commercial and business lending		78,568		87,013		13,900		80,165		511
Commercial real estate - investor		66,402		76,331		8,124		66,761		529
Real estate construction		7,972		11,841		2,150		8,228		43
Commercial real estate lending		74,374		88,172		10,274		74,989		572
Total commercial		152,942		175,185		24,174		155,154		1,083
Home equity		31,742		36,421		13,099		32,014		336
Installment		1,140		1,392		448		1,167		14
Residential mortgage		59,396		63,493		12,088		59,786		416
Total consumer		92,278		101,306		25,635		92,967		766
Total loans	$	245,220	$	276,491	$	49,809	$	248,121	$	1,849
Loans with no related allowance
Commercial and industrial	$	9,614	$	16,994	$	-	$	11,622	$	9
Commercial real estate - owner occupied		16,568		19,084		-		16,786		5
Lease financing		-		-		-		-		-
Commercial and business lending		26,182		36,078		-		28,408		14
Commercial real estate - investor		13,229		17,725		-		13,311		45
Real estate construction		1,649		2,078		-		1,707		3
Commercial real estate lending		14,878		19,803		-		15,018		48
Total commercial		41,060		55,881		-		43,426		62
Home equity		315		315		-		315		3
Installment		-		-		-		-		-
Residential mortgage		8,307		8,426		-		8,353		27
Total consumer		8,622		8,741		-		8,668		30
Total loans	$	49,682	$	64,622	$	-	$	52,094	$	92
Total
Commercial and industrial	$	66,264	$	79,190	$	10,645	$	69,859	$	356
Commercial real estate - owner occupied		38,314		43,891		3,186		38,704		169
Lease financing		172		10		69		10		-
Commercial and business lending		104,750		123,091		13,900		108,573		525
Commercial real estate - investor		79,631		94,056		8,124		80,072		574
Real estate construction		9,621		13,919		2,150		9,935		46
Commercial real estate lending		89,252		107,975		10,274		90,007		620
Total commercial		194,002		231,066		24,174		198,580		1,145
Home equity		32,057		36,736		13,099		32,329		339
Installment		1,140		1,392		448		1,167		14
Residential mortgage		67,703		71,919		12,088		68,139		443
Total consumer		100,900		110,047		25,635		101,635		796
Total loans	$	294,902	$	341,113	$	49,809	$	300,215	$	1,941
*Interest income recognized included $1 million of interest income recognized on accruing restructured loans for the three months ended March 31, 2014.

The following table presents impaired loans at December 31, 2013.
		Recorded Investment		Unpaid Principal Balance		Related Allowance		YTD Average Recorded Investment		YTD Interest Income Recognized*
Loans with a related allowance		($ in Thousands)
Commercial and industrial	$	57,857	$	65,443	$	11,917	$	61,000	$	1,741
Commercial real estate - owner occupied		22,651		25,072		2,955		24,549		995
Lease financing		69		69		29		76		-
Commercial and business lending		80,577		90,584		14,901		85,625		2,736
Commercial real estate - investor		64,647		68,228		7,895		68,776		2,735
Real estate construction		8,815		12,535		2,416		9,796		236
Commercial real estate lending		73,462		80,763		10,311		78,572		2,971
Total commercial		154,039		171,347		25,212		164,197		5,707
Home equity		34,707		40,344		13,989		36,623		1,518
Installment		1,360		1,676		487		1,753		100
Residential mortgage		60,157		69,699		12,187		62,211		1,861
Total consumer		96,224		111,719		26,663		100,587		3,479
Total loans	$	250,263	$	283,066	$	51,875	$	264,784	$	9,186
Loans with no related allowance
Commercial and industrial	$	12,379	$	19,556	$	-	$	14,291	$	306
Commercial real estate - owner occupied		20,022		22,831		-		20,602		315
Lease financing		-		-		-		-		-
Commercial and business lending		32,401		42,387		-		34,893		621
Commercial real estate - investor		17,895		25,449		-		19,354		130
Real estate construction		1,445		1,853		-		1,576		13
Commercial real estate lending		19,340		27,302		-		20,930		143
Total commercial		51,741		69,689		-		55,823		764
Home equity		93		92		-		94		2
Installment		-		-		-		-		-
Residential mortgage		7,316		8,847		-		7,321		185
Total consumer		7,409		8,939		-		7,415		187
Total loans	$	59,150	$	78,628	$	-	$	63,238	$	951
Total
Commercial and industrial	$	70,236	$	84,999	$	11,917	$	75,291	$	2,047
Commercial real estate - owner occupied		42,673		47,903		2,955		45,151		1,310
Lease financing		69		69		29		76		-
Commercial and business lending		112,978		132,971		14,901		120,518		3,357
Commercial real estate - investor		82,542		93,677		7,895		88,130		2,865
Real estate construction		10,260		14,388		2,416		11,372		249
Commercial real estate lending		92,802		108,065		10,311		99,502		3,114
Total commercial		205,780		241,036		25,212		220,020		6,471
Home equity		34,800		40,436		13,989		36,717		1,520
Installment		1,360		1,676		487		1,753		100
Residential mortgage		67,473		78,546		12,187		69,532		2,046
Total consumer		103,633		120,658		26,663		108,002		3,666
Total loans	$	309,413	$	361,694	$	51,875	$	328,022	$	10,137
*Interest income recognized included $6 million of interest income recognized on accruing restructured loans for the year ended December 31, 2013.

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Loans are generally placed on nonaccrual status when contractually past due 90 days or more as to interest or principal payments, unless the loan is well secured and in the process of collection. Additionally, whenever management becomes aware of facts or circumstances that may adversely impact the collectability of principal or interest on loans, it is management's practice to place such loans on nonaccrual status immediately, rather than delaying such action until the loans become 90 days past due. When a loan is placed on nonaccrual status, previously accrued and uncollected interest is reversed, amortization of related deferred loan fees or costs is suspended, and income is recorded only to the extent that interest payments are subsequently received in cash and a determination has been made that the principal and interest of the loan is collectible. If collectability of the principal and interest is in doubt, payments received are applied to loan principal.

While an asset is in nonaccrual status, some or all of the cash interest payments received may be treated as interest income on a cash basis as long as the remaining recorded investment in the asset (i.e., after charge off of identified losses, if any) is deemed to be fully collectible. The determination as to the ultimate collectability of the asset's remaining recorded investment must be supported by a current, well documented credit evaluation of the borrower's financial condition and prospects for repayment, including consideration of the borrower's sustained historical repayment performance and other relevant factors. A nonaccrual loan is returned to accrual status when all delinquent principal and interest payments become current in accordance with the terms of the loan agreement, the borrower has demonstrated a period of sustained performance, and the ultimate collectability of the total contractual principal and interest is no longer in doubt. A sustained period of repayment performance generally would be a minimum of six months.

Troubled Debt Restructurings (“Restructured Loans”):

Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. The concessions granted generally involve the modification of terms of the loan, such as changes in payment schedule or interest rate, which generally would not otherwise be considered. Restructured loans can involve loans remaining on nonaccrual, moving to nonaccrual, or continuing on accrual status, depending on the individual facts and circumstances of the borrower. Nonaccrual restructured loans are included and treated with all other nonaccrual loans. In addition, all accruing restructured loans are reported as troubled debt restructurings, which are considered and accounted for as impaired loans. Generally, restructured loans remain on nonaccrual until the customer has attained a sustained period of repayment performance under the modified loan terms (generally a minimum of six months). However, performance prior to the restructuring, or significant events that coincide with the restructuring, are considered in assessing whether the borrower can meet the new terms and whether the loan should be returned or maintained on accrual status. If the borrower's ability to meet the revised payment schedule is not reasonably assured, the loan remains on nonaccrual status.The Corporation had a $14million recorded investment in loans modified in a troubled debt restructuring for the three months endedMarch 31, 2014, of which, $2 million were in accrual status and $12 million were in nonaccrual pending a sustained period of repayment.

As of March 31, 2014 and December 31, 2013, there were $74 million and $60 million, respectively, of nonaccrual restructured loans, and $117 million and $124 million, respectively, of performing restructured loans, included within impaired loans. All restructured loans are considered impaired in the calendar year of restructuring. In subsequent years, a restructured loan may cease being classified as impaired if the loan was modified at a market rate and has performed according to the modified terms for at least six months. A loan that has been modified at a below market rate will return to performing status if it satisfies the six month performance requirement; however, it will remain classified as a restructured loan. The following table presents nonaccrual and performing restructured loans by loan portfolio.

		March 31, 2014				December 31, 2013
		Performing Restructured Loans		Nonaccrual Restructured Loans *		Performing Restructured Loans		Nonaccrual Restructured Loans *
		($ in Thousands)
Commercial and industrial	$	27,776	$	8,781	$	32,517	$	6,900
Commercial real estate - owner occupied		11,579		15,697		13,009		10,999
Commercial real estate - investor		46,020		14,619		44,946		18,069
Real estate construction		2,954		2,558		3,793		2,065
Home equity		9,572		7,785		9,633		5,419
Installment		225		419		246		451
Residential mortgage		18,798		24,372		19,841		15,682
Total	$	116,924	$	74,231	$	123,985	$	59,585
* Nonaccrual restructured loans have been included with nonaccrual loans.

The following table provides the number of loans modified in a troubled debt restructuring by loan portfolio during the three months ended March 31, 2014 and2013, and the recorded investment and unpaid principal balance as of March 31, 2014 and2013.

	Three Months Ended March 31, 2014					Three Months Ended March 31, 2013
	Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)	Number of Loans		Recorded Investment (1)		Unpaid Principal Balance (2)
	($ in Thousands)
Commercial and industrial	8	$	3,446	$	7,218	22	$	2,844	$	5,315
Commercial real estate - owner occupied	4		5,298		5,781	3		2,217		2,228
Commercial real estate - investor	4		1,643		1,676	5		2,035		2,087
Real estate construction	―		―		―	5		1,960		1,980
Home equity	30		935		1,218	28		1,301		1,385
Installment	1		10		20	1		175		175
Residential mortgage	21		2,750		2,920	25		1,564		1,842
Total	68	$	14,082	$	18,833	89	$	12,096	$	15,012
(1) Represents post-modification outstanding recorded investment.
(2) Represents pre-modification outstanding recorded investment.

Restructured loan modifications may include payment schedule modifications, interest rate concessions, maturity date extensions, modification of note structure (A/B Note), non-reaffirmed Chapter 7 bankruptcies, principal reduction, or some combination of these concessions. During the three months endedMarch 31, 2014, restructured loan modifications of commercial and industrial, commercial real estate, and real estate construction loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of home equity and residential mortgage loans primarily included maturity date extensions, interest rate concessions, payment schedule modifications, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions for the three months endedMarch 31, 2014.

The following table provides the number of loans modified in a troubled debt restructuring during the previous 12 months which subsequently defaulted during the three months endedMarch 31, 2014 and2013, as well as the recorded investment in these restructured loans as of March 31, 2014 and2013.

	Three Months Ended March 31, 2014			Three Months Ended March 31, 2013
	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
	($ in Thousands)
Commercial and industrial	―	$	―	7	$	1,170
Commercial real estate - owner occupied	―		―	1		74
Commercial real estate - investor	―		―	3		1,781
Real estate construction	1		161	―		―
Home equity	7		388	3		109
Installment	1		10	―		―
Residential mortgage	12		1,761	3		624
Total	21	$	2,320	17	$	3,758

All loans modified in a troubled debt restructuring are evaluated for impairment. The nature and extent of the impairment of restructured loans, including those which have experienced a subsequent payment default, is considered in the determination of an appropriate level of the allowance for loan losses.

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Short And Long-term Funding

3 Months Ended

Mar. 31, 2014

Debt Disclosure [Abstract]

Short and long-term funding

NOTE 8: Short and Long-Term Funding

The components of short-term funding (funding with original contractual maturities of one year or less) and long-term funding (funding with original contractual maturities greater than one year) were as follows.

			March 31,		December 31,
			2014		2013
			($ in Thousands)
Short-Term Funding
Federal funds purchased		$	391,075	$	56,195
Securities sold under agreements to repurchase			548,179		419,247
	Federal funds purchased and securities sold under agreements to repurchase		939,254		475,442
FHLB advances			225,000		200,000
Commercial paper			83,652		65,484
	Other short-term funding		308,652		265,484
	Total short-term funding	$	1,247,906	$	740,926
Long-Term Funding
FHLB advances		$	2,500,288	$	2,500,297
Senior notes, at par			430,000		585,000
Other long-term funding and capitalized costs			1,752		1,970
	Total long-term funding	$	2,932,040	$	3,087,267
Total short and long-term funding		$	4,179,946	$	3,828,193

Short-term funding:

The FHLB advances included in short-term funding are those with original contractual maturities of one year or less. The securities sold under agreements to repurchase represent short-term funding which is collateralized by securities of the U.S. Government or its agencies and mature daily.

Long-term funding:

FHLB advances:At March 31, 2014, the long-term FHLB advances had a weighted-average interest rate of 0.11%, compared to 0.10% at December 31, 2013.During the fourth quarter of 2013, the Corporation executed $2.5 billion of five year, variable rate FHLB advances that are putable, at our option, without penalty after six months. The FHLB advances are indexed to the FHLB discount note plus 6 basis points and reprice at varying intervals, including $1.0 billion repricing at four week intervals, $750 million repricing at 13 week intervals, and $750 million repricing daily. The advances offer flexible, low cost, long-term funding that improves the Corporation's liquidity profile.

Senior notes: In March 2011, the Corporation issued $300 million of senior notes at a discount. In September 2011, the Corporation issued an additional $130 million of senior notes at a premium. The 2011 senior note issuances mature on March 28, 2016 and have a fixed coupon interest rate of 5.125%.In September 2012, the Corporation issued $155 million of senior notes at a discount. The Corporation redeemed the 2012 senior notes during February 2014.

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Goodwill and Other Intangible Assets Mortgage Servicing Rights Roll-Forward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Mortgage servicing rights:
Servicing Asset at Amortized Cost, Beginning Balance	$ 64,193	$ 61,425
Additions	1,725	18,256
Amortization	(2,725)	(15,488)
Other-than-temporary impairment	0	0
Servicing Asset at Amortized Cost, Ending Balance	63,193	64,193
Valuation allowance at beginning of period	(913)	(15,476)
(Additions) / Recoveries, net	156	14,563
Other-than-temporary impairment	0	0
Valuation allowance at end of period	(757)	(913)
Mortgage servicing rights, net	62,436	63,280
Fair value of mortgage servicing rights	71,987	74,444
Portfolio of residential mortgage loans serviced for others ("servicing portfolio")	8,084,000	8,084,000
Mortgage servicing rights, net to servicing portfolio	0.77%	0.78%
Mortgage servicing rights expense (1)	$ 2,569	$ 925

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Goodwill and Other Intangible Assets (Details Textuals) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$ 929,168	$ 929,168
Commercial Banking Segment [Member]
Goodwill [Line Items]
Goodwill	428,000
Consumer Banking Segment [Member]
Goodwill [Line Items]
Goodwill	$ 501,000

XML

Goodwill and Other Intangible Assets Summary of Core Deposit and Other Intangibles (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Core Deposits Member	Dec. 31, 2013 Core Deposits Member	Mar. 31, 2014 Other Intangible Assets [Member]	Dec. 31, 2013 Other Intangible Assets [Member]
Summary of core deposit intangibles and other intangibles
Gross carrying amount			$ 36,230	$ 36,230	$ 19,283	$ 19,283
Accumulated amortization			(32,336)	(31,565)	(12,984)	(12,764)
Net book value			3,894	4,665	6,299	6,519
Amortization of other intangible assets	$ 991	$ 1,011	$ 771	$ 3,122	$ 220	$ 921

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Commitments, Off-Balance Sheet Arrangements and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Commitments, off-balance Sheet Arrangements, and Contingent Liabilities [Abstract]

Summary of lending-related and other commitments

			March 31, 2014		December 31, 2013
			($ in Thousands)
Commitments to extend credit, excluding commitments to originate residential
	mortgage loans held for sale(1)(2)	$	6,235,837	$	6,367,771
Commercial letters of credit (1)			132,590		132,777
Standby letters of credit (3)			258,919		250,030

Summary of changes in the residential mortgage repurchase reserve

		For the Three
		Months Ended		For the Year Ended
		March 31, 2014		December 31, 2013
		($ in Thousands)
Balance at beginning of period	$	5,700	$	3,300
Repurchase provision expense		(638)		5,909
Charge offs		(262)		(3,509)
Balance at end of period	$	4,800	$	5,700

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Investment Securities (Details Textuals) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Investment Securities (Textuals) [Abstract]
Federal Home Loan Bank Stock	$ 110,000,000		$ 110,000,000
Federal Reserve Bank Stock	71,000,000		71,000,000
FHLB stock	(111,000)	0
Sale of FHLB stock	$ 0	$ 14,399,000

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Fair Value Measurements

3 Months Ended

Mar. 31, 2014

Fair Value Measurements [Abstract]

Fair Value Measurements

NOTE 13: Fair Value Measurements

Fair value represents the estimated price at which an orderly transaction to sell an asset or to transfer a liability would take place between market participants at the measurement date under current market conditions (i.e., an exit price concept). As there is no active market for many of the Corporation's financial instruments, estimates are made using discounted cash flow or other valuation techniques. Inputs into the valuation methods are subjective in nature, involve uncertainties, and require significant judgment and therefore cannot be determined with precision. Accordingly, the derived fair value estimates presented herein are not necessarily indicative of the amounts the Corporation could realize in a current market exchange. Assets and liabilities are categorized into three levels based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. In instances where the determination of the fair value measurement is based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy in which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The Corporation's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability. Below is a brief description of each fair value level.

Level 1 inputs	Level 1 inputs utilize quoted prices (unadjusted) in active markets for identical assets or liabilities that the Corporation has the ability to access.
Level 2 inputs	Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals.
Level 3 inputs	Level 3 inputs are unobservable inputs for the asset or liability, which are typically based on an entity’s own assumptions, as there is little, if any, related market activity.

Following is a description of the valuation methodologies used for the Corporation's more significant instruments measured on a recurring basis at fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

Investment securities available for sale: Where quoted prices are available in an active market, investment securities are classified in Level 1 of the fair value hierarchy. Level 1 investment securities primarily include U.S. Treasury, certain Federal agency, and exchange-traded debt and equity securities. If quoted market prices are not available for the specific security, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate, and are classified in Level 2 of the fair value hierarchy. Examples of these investment securities include certain Federal agency securities, obligations of state and political subdivisions (municipal securities), mortgage-related securities, asset-backed securities, and other debt securities. Lastly, in certain cases where there is limited activity or less transparency around inputs to the estimated fair value, securities are classified within Level 3 of the fair value hierarchy. Level 3 securities primarily include pooled trust preferred debt securities. To validate the fair value estimates, assumptions, and controls, the Corporation looks to transactions for similar instruments and utilizes independent pricing provided by thirdparty vendors or brokers and relevant market indices. While none of these sources are solely indicative of fair value, they serve as directional indicators for the appropriateness of the Corporation's fair value estimates. The Corporation has determined that the fair value measures of its investment securities are classified predominantly within Level 1 or 2 of the fair value hierarchy. See Note 5 for additional disclosure regarding the Corporation's investment securities.

Derivative financial instruments (interest rate-related instruments): The Corporation uses interest rate swaps to manage its interest rate risk. In addition, the Corporation offers customer interest rate-related instruments(swaps and caps) to service our customers' needs, for which the Corporation simultaneously enters into offsetting derivative financial instruments (i.e., mirror interest rate-related instruments) with third parties to manage its interest rate risk associated with these financial instruments. The valuation of the Corporation's derivative financial instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative and, also includes a nonperformance / credit risk component (credit valuation adjustment). See Note 10 for additional disclosure regarding the Corporation's derivative financial instruments.

The discounted cash flow analysis component in the fair value measurements reflects the contractual terms of the derivative financial instruments, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. More specifically, the fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts (or payments), with the variable cash payments (or receipts) based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. Likewise, the fair values of interest rate options (i.e., interest rate caps) are determined using the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates fall below (or rise above) the strike rate of the floors (or caps), with the variable interest rates used in the calculation of projected receipts on the floor (or cap) based on an expectation of future interest rates derived from observable market interest rate curves and volatilities.

The Corporation also incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty's nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative financial instruments for the effect of nonperformance risk, the Corporation has considered the impact of netting and any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and guarantees. In conjunction with the FASB's fair value measurement guidance, the Corporation made an accounting policy election to measure the credit risk of its derivative financial instruments that are subject to master netting agreements on a net basis by counterparty portfolio.

While the Corporation has determined that the majority of the inputs used to value its derivative financial instruments fall within Level 2 of the fair value hierarchy, the credit valuation adjustments utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. The Corporation has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions as of March 31, 2014, and December 31, 2013, and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivative financial instruments. Therefore, the Corporation has determined that the fair value measures of its derivative financial instruments in their entirety are classified within Level 2 of the fair value hierarchy.

Derivative financial instruments (foreign currency exchange forwards): The Corporation provides foreign currency exchange services to customers. In addition, the Corporation may enter into a foreign currency exchange forward to mitigate the exchange rate risk attached to the cash flows of a loan or as an offsetting contract to a forward entered into as a service to our customer. The valuation of the Corporation's foreign currency exchange forwards is determined using quoted prices of foreign currency exchange forwards with similar characteristics, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate, and are classified in Level 2 of the fair value hierarchy. See Note 10 for additional disclosures regarding the corporation's foreign currency exchange forwards.

Derivative financial instruments (mortgage derivatives): Mortgage derivatives include interest rate lock commitments to originate residential mortgage loans held for sale to individual customers and forward commitments to sell residential mortgage loans to various investors. The Corporation relies on an internal valuation model to estimate the fair value of its interest rate lock commitments to originate residential mortgage loans held for sale, which includes grouping the interest rate lock commitments by interest rate and terms, applying an estimated pull-through rate based on historical experience, and then multiplying by quoted investor prices determined to be reasonably applicable to the loan commitment groups based on interest rate, terms, and rate lock expiration dates of the loan commitment groups.

The Corporation also relies on an internal valuation model to estimate the fair value of its forward commitments to sell residential mortgage loans (i.e., an estimate of what the Corporation would receive or pay to terminate the forward delivery contract based on market prices for similar financial instruments), which includes matching specific terms and maturities of the forward commitments against applicable investor pricing available. While there are Level 2 and 3 inputs used in the valuation models, the Corporation has determined that the majority of the inputs significant in the valuation of both of the mortgage derivatives fall within Level 3 of the fair value hierarchy. See Note 10 for additional disclosure regarding the Corporation's mortgage derivatives.

Following is a description of the valuation methodologies used for the Corporation's more significant instruments measured on a nonrecurring basis at the lower of amortized cost or estimated fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

Loans Held for Sale:Loans held for sale, which consist generally of current production of certain fixed-rate, first-lien residential mortgage loans, are carried at the lower of cost or estimated fair value. The estimated fair value of the residential mortgage loans held for sale was based on what secondary markets are currently offering for portfolios with similar characteristics, which the Corporation classifies as a Level 2 nonrecurring fair value measurement.

Impaired Loans:The Corporation considers a loan impaired when it is probable that the Corporation will be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. Management has determined that commercial and consumer loan relationships that have nonaccrual status or have had their terms restructured in a troubled debt restructuring meet this impaired loan definition.For individually evaluated impaired loans, the amount of impairment is based upon the present value of expected future cash flows discounted at the loan's effective interest rate, the estimated fair value of the underlying collateral for collateral-dependent loans, or the estimated liquidity of the note. See Note 6 for additional information regarding the Corporation's impaired loans.

Mortgage servicing rights: Mortgage servicing rights do not trade in an active, open market with readily observable prices. While sales of mortgage servicing rights do occur, the precise terms and conditions typically are not readily available to allow for a “quoted price for similar assets” comparison. Accordingly, the Corporation utilizes an independent valuation from a third party which uses a discounted cash flow model to estimate the fair value of its mortgage servicing rights. The valuation model incorporates prepayment assumptions to project mortgage servicing rights cash flows based on the current interest rate scenario, which is then discounted to estimate an expected fair value of the mortgage servicing rights. The valuation model considers portfolio characteristics of the underlying mortgages, contractually specified servicing fees, prepayment assumptions, discount rate assumptions, delinquency rates, late charges, other ancillary revenue, costs to service, and other economic factors. The Corporation periodically reviews and assesses the underlying inputs and assumptions used in the model. In addition, the Corporation compares its fair value estimates and assumptions to observable market data for mortgage servicing rights, where available, and to recent market activity and actual portfolio experience. Due to the nature of the valuation inputs, mortgage servicing rights are classified within Level 3 of the fair value hierarchy. The Corporation uses the amortization method (i.e., lower of amortized cost or estimated fair value measured on a nonrecurring basis), not fair value measurement accounting, for its mortgage servicing rights assets. See Note 7 for additional disclosure regarding the Corporation's mortgage servicing rights.

The table below presents the Corporation's investment securities available for sale and derivative financial instruments measured at fair value on a recurring basis as of March 31, 2014 and December 31, 2013, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Recurring Basis
					Fair Value Measurements Using
		March 31, 2014			Level 1		Level 2		Level 3
			($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,002	$	1,002	$	―	$	―
Obligations of state and political subdivisions (municipal securities)			665,344		―		665,344		―
Residential mortgage-related securities:
	Government-sponsored enterprise (GSE)		3,769,242		―		3,769,242		―
	Private-label		2,697		―		2,697		―
GNMA commercial mortgage-related securities			813,567		―		813,567		―
Asset-backed securities			21,282		―		21,282		―
Other securities (debt and equity)			4,774		3,247		1,300		227
	Total investment securities available for sale	$	5,277,908	$	4,249	$	5,273,432	$	227
Derivatives (trading and other assets)		$	49,615	$	―	$	48,312	$	1,303
Liabilities:
Derivatives (trading and other liabilities)		$	50,940	$	―	$	50,940	$	―

					Fair Value Measurements Using
		December 31, 2013			Level 1		Level 2		Level 3
			($ in Thousands)
Assets:
Investment securities available for sale:
U.S. Treasury securities		$	1,002	$	1,002	$	―	$	―
Obligations of state and political subdivisions (municipal securities)			676,080		―		676,080		―
Residential mortgage-related securities:
	Government-sponsored enterprise (GSE)		3,838,430		―		3,838,430		―
	Private-label		3,014		―		3,014		―
GNMA commercial mortgage-related securities			647,477		―		647,477		―
Asset-backed securities			23,059		―		23,059		―
Other securities (debt and equity)			61,523		3,238		57,986		299
	Total investment securities available for sale	$	5,250,585	$	4,240	$	5,246,046	$	299
Derivatives (trading and other assets)		$	52,773	$	―	$	51,056	$	1,717
Liabilities:
Derivatives (trading and other liabilities)		$	53,798	$	―	$	53,798	$	―

The table below presents a rollforward of the balance sheet amounts for the year ended December 31, 2013 and the three months endedMarch 31, 2014, for financial instruments measured on a recurring basis and classified within Level 3 of the fair value hierarchy.

Assets and Liabilities Measured at Fair Value
Using Significant Unobservable Inputs (Level 3)
			Investment Securities Available for Sale		Derivative Financial Instruments
($ in Thousands)
Balance December 31, 2012			$	480	$	7,647
	Total net losses included in income:
		Mortgage derivative loss		―		(5,930)
	Total net losses included in other comprehensive income:
		Unrealized investment securities loss		(70)		―
	Sales of investment securities			(111)		―
Balance December 31, 2013			$	299	$	1,717
	Total net losses included in income:
		Mortgage derivative loss		―		(414)
	Total net losses included in other comprehensive income:
		Unrealized investment securities loss		(78)		―
	Sales of investment securities			6		―
Balance March 31, 2014			$	227	$	1,303

For Level 3 assets and liabilities measured at fair value on a recurring or nonrecurring basis as of March 31, 2014, the Corporation utilized the following valuation techniques and significant unobservable inputs.

Investment securities available for sale – other securities (debt and equity): In valuing the investment securities available for sale classified within Level 3, the Corporation utilized a discounted cash flow model and incorporated its own assumptions about future cash flows and discount rates adjusting for credit and liquidity factors. The Corporation also reviewed the underlying collateral and other relevant data in developing the assumptions for these investment securities.

Derivative financial instruments (mortgage derivative – interest rate lock commitments to originate residential mortgage loans held for sale): The significant unobservable input used in the fair value measurement of the Corporation's mortgage derivative interest rate lock commitments (“IRLC”) is the closing ratio, which represents the percentage of loans currently in a lock position which management estimates will ultimately close.  Typically the higher the closing ratio on the IRLC's will result in an increase in the fair value if in a gain position or a decrease in fair value if in a loss position.  The closing ratio calculation takes into consideration historical data and loan-level data, (particularly the change in the current interest rates from the time of initial rate lock).  The closing ratio is periodically reviewed for reasonableness and reported to the Mortgage Risk Management Committee. At March 31, 2014, the closing ratio was90%.

Impaired loans: For individually evaluated impaired loans, the amount of impairment is based upon the present value of expected future cash flows discounted at the loan's effective interest rate, the estimated fair value of the underlying collateral for collateral-dependent loans, or the estimated liquidity of the note, resulting in average discounts of 20% to 25%.

Mortgage servicing rights: The discounted cash flow analyses that generate expected market prices utilize the observable characteristics of the mortgage servicing rights portfolio, as well as certain unobservable valuation parameters.  The significant unobservable inputs used in the fair value measurement of the Corporation's mortgage servicing rights are the weighted average constant prepayment rate and weighted average discount rate, which were 12.9% and 10.1% at March 31, 2014, respectively.  Significant increases (decreases) in any of those inputs in isolation could result in a significantly lower (higher) fair value measurement.  Although the prepayment rate and discount rate are not directly interrelated, they will generally move in opposite directions. 

These parameter assumptions fall within a range that the Corporation, in consultation with an independent third party, believes purchasers of servicing would apply to such portfolios sold into the current secondary servicing market. Discussions are held with members from Treasury and Consumer Banking to reconcile the fair value estimates and the key assumptions used by the respective parties in arriving at those estimates.  The Associated Mortgage Group Risk Committee is responsible for providing control over the valuation methodology and key assumptions.  To assess the reasonableness of the fair value measurement, the Corporation also compares the fair value and constant prepayment rate to a value calculated by an independent thirdparty on an annual basis.

The table below presents the Corporation's loans held for sale, impaired loans, and mortgage servicing rights measured at fair value on a nonrecurring basis as of March 31, 2014 and December 31, 2013, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
				Fair Value Measurements Using
	March 31, 2014			Level 1		Level 2		Level 3
		($ in Thousands)
Assets:
Loans held for sale	$	46,529	$	―	$	46,529	$	―
Impaired loans (1)		83,470		―		―		83,470
Mortgage servicing rights		71,987		―		―		71,987

				Fair Value Measurements Using
	December 31, 2013			Level 1		Level 2		Level 3
		($ in Thousands)
Assets:
Loans held for sale	$	64,738	$	―	$	64,738	$	―
Impaired loans (1)		88,049		―		―		88,049
Mortgage servicing rights		74,444		―		―		74,444

(1)       Represents individually evaluated impairedloans, net of the related allowance for loan losses.

Certain nonfinancial assets measured at fair value on a nonrecurring basis include other real estate owned (upon initial recognition or subsequent impairment), nonfinancial assets and nonfinancial liabilities measured at fair value in the second step of a goodwill impairment test, and intangible assets and other nonfinancial long-lived assets measured at fair value for impairment assessment.

During the first three months of 2014 and the full year 2013, certain other real estate owned, upon initial recognition, was re-measured and reported at fair value through a charge off to the allowance for loan losses based upon the estimated fair value of the other real estate owned, less estimated selling costs. The fair value of other real estate owned, upon initial recognition or subsequent impairment, was estimated using appraised values, which the Corporation classifies as a Level 2 nonrecurring fair value measurement. Other real estate owned measured at fair value upon initial recognition totaled approximately $6 million for the first three months of2014 and $29 million for the year ended December 31, 2013. In addition to other real estate owned measured at fair value upon initial recognition, the Corporation also recorded write-downs to the balance of other real estate owned for subsequent impairment of $1 millionand $4million to asset losses, net for the three months endedMarch 31, 2014 and the year endedDecember 31, 2013, respectively.

Fair Value of Financial Instruments:

The Corporation is required to disclose estimated fair values for its financial instruments. Fair value estimates, methods, and assumptions are set forth below for the Corporation's financial instruments.

The estimated fair values of the Corporation's financial instruments at March 31, 2014 and December 31, 2013, were as follows.

		March 31, 2014
		Carrying				Fair Value Measurements Using
		Amount		Fair Value		Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks	$	526,951	$	526,951	$	526,951	$	―	$	―
Interest-bearing deposits in other financial institutions		92,071		92,071		92,071		―		―
Federal funds sold and securities purchased under
agreements to resell		4,400		4,400		4,400		―		―
Investment securities held to maturity		193,759		193,146		―		193,146		―
Investment securities available for sale		5,277,908		5,277,908		4,249		5,273,432		227
FHLB and Federal Reserve Bank stocks		181,360		181,360		―		181,360		―
Loans held for sale		46,529		46,529		―		46,529		―
Loans, net		16,173,528		16,224,051		―		―		16,224,051
Bank owned life insurance		568,631		568,631		―		568,631		―
Accrued interest receivable		69,317		69,317		69,317		―		―
Interest rate-related instruments		40,078		40,078		―		40,078		―
Foreign currency exchange forwards		744		744		―		744		―
Interest rate lock commitments to originate residential
mortgage loans held for sale		791		791		―		―		791
Forward commitments to sell residential mortgage loans		512		512		―		―		512
Purchased options (time deposit)		7,490		7,490		―		7,490		―
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
demand, and money market deposits	$	15,885,280	$	15,885,280	$	―	$	―	$	15,885,280
Brokered CDs and other time deposits		1,624,647		1,626,978		―		1,626,978		―
Short-term funding		1,247,906		1,247,906		―		1,247,906		―
Long-term funding		2,932,040		2,924,315		―		2,924,315		―
Accrued interest payable		1,520		1,520		1,520		―		―
Interest rate-related instruments		42,843		42,843		―		42,843		―
Foreign currency exchange forwards		607		607		―		607		―
Standby letters of credit (1)		3,844		3,844		―		3,844		―
Written options (time deposit)		7,490		7,490		―		7,490		―

		December 31, 2013
		Carrying				Fair Value Measurements Using
		Amount		Fair Value		Level 1		Level 2		Level 3
		($ in Thousands)
Financial assets:
Cash and due from banks	$	455,482	$	455,482	$	455,482	$	―	$	―
Interest-bearing deposits in other financial institutions		126,018		126,018		126,018		―		―
Federal funds sold and securities purchased under
agreements to resell		20,745		20,745		20,745		―		―
Investment securities held to maturity		175,210		169,889		―		169,889		―
Investment securities available for sale		5,250,585		5,250,585		4,240		5,246,046		299
FHLB and Federal Reserve Bank stocks		181,249		181,249		―		181,249		―
Loans held for sale		64,738		64,738		―		64,738		―
Loans, net		15,627,946		15,599,094		―		―		15,599,094
Bank owned life insurance		568,413		568,413		―		568,413		―
Accrued interest receivable		66,308		66,308		66,308		―		―
Interest rate-related instruments		42,980		42,980		―		42,980		―
Foreign currency exchange forwards		748		748		―		748		―
Interest rate lock commitments to originate residential
mortgage loans held for sale		416		416		―		―		416
Forward commitments to sell residential mortgage loans		1,301		1,301		―		―		1,301
Purchased options (time deposit)		7,328		7,328		―		7,328		―
Financial liabilities:
Noninterest-bearing demand, savings, interest-bearing
demand, and money market deposits	$	15,581,971	$	15,581,971	$	―	$	―	$	15,581,971
Brokered CDs and other time deposits		1,685,196		1,687,198		―		1,687,198		―
Short-term funding		740,926		740,926		―		740,926		―
Long-term funding		3,087,267		3,085,893		―		3,085,893		―
Accrued interest payable		7,994		7,994		7,994		―		―
Interest rate-related instruments		45,815		45,815		―		45,815		―
Foreign currency exchange forwards		655		655		―		655		―
Standby letters of credit (1)		3,754		3,754		―		3,754		―
Written options (time deposit)		7,328		7,328		―		7,328		―

(1)The commitment on standby letters of credit was $259 million and $250 million at March 31, 2014 and December 31, 2013, respectively. See Note 12 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

Cash and due from banks, interest-bearing deposits in other financial institutions, federal funds sold and securities purchased under agreements to resell, and accrued interest receivable - For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Investment securities (held to maturity and available for sale) - The fair value of investment securities is based on quoted prices in active markets, or if quoted prices are not available for a specific security, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics, or discounted cash flows.

FHLB and Federal Reserve Bank stocks – The carrying amount is a reasonable fair value estimate for the Federal Reserve Bank and Federal Home Loan Bank stocks given their “restricted” nature (i.e., the stock can only be sold back to the respective institutions (Federal Home Loan Bank or Federal Reserve Bank) or another member institution at par).

Loans held for sale –The estimated fair value of the residential mortgage loans held for sale was based on what secondary markets are currently offering for portfolios with similar characteristics.

Loans, net - The fair value estimation process for the loan portfolio uses an exit price concept and reflects discounts the Corporation believes are consistent with liquidity discounts in the market place. Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as commercial and industrial, real estate construction, commercial real estate (owner occupied and investor), lease financing, residential mortgage, home equity, and other installment. The fair value of loans is estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for similar maturities. The fair value analysis also included other assumptions to estimate fair value, intended to approximate those a market participant would use in an orderly transaction, with adjustments for discount rates, interest rates, liquidity, and credit spreads, as appropriate.

Bank owned life insurance – The fair value of bank owned life insurance approximates the carrying amount, because upon liquidation of these investments, the Corporation would receive the cash surrender value which equals the carrying amount.

Deposits - The fair value of deposits with no stated maturity such as noninterest-bearing demand deposits, savings, interest-bearing demand deposits, and money market accounts, is equal to the amount payable on demand as of the balance sheet date. The fair value of Brokered CDs and other time deposits is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities. However, if the estimated fair value of Brokered CDs and other time deposits is less than the carrying value, the carrying value is reported as the fair value.

Accrued interest payable and short-term funding - For these short-term instruments, the carrying amount is a reasonable estimate of fair value.

Long-term funding - Rates currently available to the Corporation for debt with similar terms and remaining maturities are used to estimate the fair value of existing long-term funding.

Interest rate-related instruments - The fair value of interest rate-related instruments is determined using discounted cash flow analysis on the expected cash flows of each derivative. The Corporation also incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterparty's nonperformance risk in the fair value measurements.

Foreign currency exchange forwards – The fair value of the Corporation's foreign currency exchange forwards is determined using quoted prices of foreign currency exchange forwards with similar characteristics, with consideration given to the nature of the quote and the relationship of recently evidenced market activity to the fair value estimate.

Standby letters of credit - The fair value of standby letters of credit represent deferred fees arising from the related off-balance sheet financial instruments. These deferred fees approximate the fair value of these instruments and are based on several factors, including the remaining terms of the agreement and the credit standing of the customer.

Interest rate lock commitments to originate residential mortgage loans held for sale - The Corporation relies on an internal valuation model to estimate the fair value of its interest rate lock commitments to originate residential mortgage loans held for sale, which includes grouping the interest rate lock commitments by interest rate and terms, applying an estimated pull-through rate based on historical experience, and then multiplying by quoted investor prices determined to be reasonably applicable to the loan commitment groups based on interest rate, terms, and rate lock expiration dates of the loan commitment groups.

Forward commitments to sell residential mortgage loans - The Corporation relies on an internal valuation model to estimate the fair value of its forward commitments to sell residential mortgage loans (i.e., an estimate of what the Corporation would receive or pay to terminate the forward delivery contract based on market prices for similar financial instruments), which includes matching specific terms and maturities of the forward commitments against applicable investor pricing available.

Purchased and written options - The fair value of the Corporation's purchased and written options is determined using quoted prices of the underlying stocks.

Limitations - Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Corporation's entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Corporation's financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Calculations for basic and diluted earnings per common share

		Three Months Ended March 31,
		2014		2013
		(In Thousands, except per share data)
Net income	$	45,199	$	47,388
Preferred stock dividends		(1,244)		(1,300)
Net income available to common equity	$	43,955	$	46,088
Common shareholder dividends		(14,488)		(13,377)
Unvested share-based payment awards		(151)		(107)
Undistributed earnings	$	29,316	$	32,604
Undistributed earnings allocated to common shareholders	$	29,126	$	32,375
Undistributed earnings allocated to unvested share-based payment awards		190		229
Undistributed earnings	$	29,316	$	32,604
Basic
Distributed earnings to common shareholders	$	14,488	$	13,377
Undistributed earnings allocated to common shareholders		29,126		32,375
Total common shareholders earnings, basic	$	43,614	$	45,752
Diluted
Distributed earnings to common shareholders	$	14,488	$	13,377
Undistributed earnings allocated to common shareholders		29,126		32,375
Total common shareholders earnings, diluted	$	43,614	$	45,752
Weighted average common shares outstanding		161,467		168,234
Effect of dilutive common stock awards		721		170
Diluted weighted average common shares outstanding		162,188		168,404
Basic earnings per common share	$	0.27	$	0.27
Diluted earnings per common share	$	0.27	$	0.27

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Investment Securities HTM Gross Unrealized Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAbstract
Unrealized losses on held to maturity securities, less than 12 months	$ (2,377)	$ (5,339)
Unrealized losses on held to maturity securities, 12 months or more	(608)	(383)
Total unrealized losses on held to maturity securities	(2,985)	(5,722)
Fair value of unrealized losses on held to maturity securities, less than 12 months	76,708	124,435
Fair value of unrealized losses on held to maturity securities, 12 months or more	11,272	5,010
Total fair value of unrealized losses on held to maturity securities	87,980	129,445
Obligations of state and political subdivisions (municipal securities) [Member]
HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAbstract
Unrealized losses on held to maturity securities, less than 12 months	(2,377)	(5,339)
Unrealized losses on held to maturity securities, 12 months or more	(608)	(383)
Total unrealized losses on held to maturity securities	(2,985)	(5,722)
Fair value of unrealized losses on held to maturity securities, less than 12 months	76,708	124,435
Fair value of unrealized losses on held to maturity securities, 12 months or more	11,272	5,010
Total fair value of unrealized losses on held to maturity securities	$ 87,980	$ 129,445
Number of held to maturity securities in a continuous unrealized loss position less than twelve months	168	298
Number of held to maturity securities in a continuous unrealized loss position for twelve months or more	25	10

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Stock Based Compensation Nonvested Stock Option Activity (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Summary of nonvested stock activity
Instrinsic value of stock options exercised	$ 1	$ 2
Granted, Shares	1,389,452	1,020,979
Nonvested Stock Options [Member]
Summary of nonvested stock activity
Stock Options Shares Outstanding, Beginning balance	3,110,523	4,036,595
Granted, Shares	1,389,452	1,020,979
Vested, Shares	(1,451,304)	(1,680,981)
Forfeited, Shares	(51,819)	(266,070)
Stock Options Shares Outstanding, Ending balance	2,996,852	3,110,523
Nonvested Weighted Average Grant Date Fair Value, Beginning balance	$ 4.69	$ 5.11
Granted Weighted Average Grant Date Fair Value	$ 3.00	$ 3.80
Vested Weighted Average Grant Date Fair Value	$ 4.96	$ 5.10
Forfeited Weighted Average Grant Date Fair Value	$ 4.85	$ 5.05
Nonvested Weighted Average Grant Date Fair Value, Ending balance	$ 3.77	$ 4.69

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Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Comprehensive Income [Abstract]
Net income	$ 45,199	$ 47,388
Investment securities available for sale:
Net unrealized gains (losses)	20,627	(9,931)
Reclassification adjustment for net (gains) losses realized in net income	(378)	(300)
Income tax (expense) benefit	(7,786)	3,950
Other comprehensive income (loss) on investment securities available for sale	12,463	(6,281)
Defined benefit pension and postretirement obligations:
Amortization of prior service cost	15	17
Amortization of actuarial losses	316	1,073
Income tax (expense) benefit	(127)	(421)
Other comprehensive income on pension and postretirement obligations	204	669
Total other comprehensive income (loss)	12,667	(5,612)
Comprehensive income (loss)	$ 57,866	$ 41,776

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New Accounting Pronouncements Adopted

3 Months Ended

Mar. 31, 2014

New Accounting Pronouncements Adopted [Abstract]

New Accounting Pronouncements Adopted

NOTE 2: New Accounting Pronouncements Adopted

In July 2013, the FASB issued an amendment to clarify the presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. An unrecognized tax benefit, or a portion of an unrecognized tax benefit, should be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as follows. To the extent a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. This amendment is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013 and should be applied prospectively. The Corporation adopted the accounting standard during the first quarter of 2014, as required, with no material impact on its results of operations, financial position, or liquidity.

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Loans, Allowance for Loan Losses, and Credit Quality Impaired Loans Recorded Investment, Unpaid Principal Balance, Related Allowance, Average Recorded Investment, and Interest Income Recognized (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	$ 294,902	$ 309,413
Unpaid Principal Balance	341,113	361,694
Related Allowance	49,809	51,875
YTD Average Recorded Investment	300,215	328,022
YTD Interest Income Recognized	1,941	10,137
Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	245,220	250,263
Unpaid Principal Balance	276,491	283,066
Related Allowance	49,809	51,875
YTD Average Recorded Investment	248,121	264,784
YTD Interest Income Recognized	1,849	9,186
Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	49,682	59,150
Unpaid Principal Balance	64,622	78,628
Related Allowance	0	0
YTD Average Recorded Investment	52,094	63,238
YTD Interest Income Recognized	92	951
Commercial And Industrial Financing Receivable [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	66,264	70,236
Unpaid Principal Balance	79,190	84,999
Related Allowance	10,645	11,917
YTD Average Recorded Investment	69,859	75,291
YTD Interest Income Recognized	356	2,047
Commercial And Industrial Financing Receivable [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	56,650	57,857
Unpaid Principal Balance	62,196	65,443
Related Allowance	10,645	11,917
YTD Average Recorded Investment	58,237	61,000
YTD Interest Income Recognized	347	1,741
Commercial And Industrial Financing Receivable [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	9,614	12,379
Unpaid Principal Balance	16,994	19,556
Related Allowance	0	0
YTD Average Recorded Investment	11,622	14,291
YTD Interest Income Recognized	9	306
Commercial Real Estate Owner Occupied Portfolio [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	38,314	42,673
Unpaid Principal Balance	43,891	47,903
Related Allowance	3,186	2,955
YTD Average Recorded Investment	38,704	45,151
YTD Interest Income Recognized	169	1,310
Commercial Real Estate Owner Occupied Portfolio [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	21,746	22,651
Unpaid Principal Balance	24,807	25,072
Related Allowance	3,186	2,955
YTD Average Recorded Investment	21,918	24,549
YTD Interest Income Recognized	164	995
Commercial Real Estate Owner Occupied Portfolio [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	16,568	20,022
Unpaid Principal Balance	19,084	22,831
Related Allowance	0	0
YTD Average Recorded Investment	16,786	20,602
YTD Interest Income Recognized	5	315
Finance Leases Financing Receivable [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	172	69
Unpaid Principal Balance	10	69
Related Allowance	69	29
YTD Average Recorded Investment	10	76
YTD Interest Income Recognized	0	0
Finance Leases Financing Receivable [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	172	69
Unpaid Principal Balance	10	69
Related Allowance	69	29
YTD Average Recorded Investment	10	76
YTD Interest Income Recognized	0	0
Finance Leases Financing Receivable [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
YTD Average Recorded Investment	0	0
YTD Interest Income Recognized	0	0
Commercial And Business Lending [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	104,750	112,978
Unpaid Principal Balance	123,091	132,971
Related Allowance	13,900	14,901
YTD Average Recorded Investment	108,573	120,518
YTD Interest Income Recognized	525	3,357
Commercial And Business Lending [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	78,568	80,577
Unpaid Principal Balance	87,013	90,584
Related Allowance	13,900	14,901
YTD Average Recorded Investment	80,165	85,625
YTD Interest Income Recognized	511	2,736
Commercial And Business Lending [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	26,182	32,401
Unpaid Principal Balance	36,078	42,387
Related Allowance	0	0
YTD Average Recorded Investment	28,408	34,893
YTD Interest Income Recognized	14	621
Commercial Real Estate Investor Portfolio Segment [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	79,631	82,542
Unpaid Principal Balance	94,056	93,677
Related Allowance	8,124	7,895
YTD Average Recorded Investment	80,072	88,130
YTD Interest Income Recognized	574	2,865
Commercial Real Estate Investor Portfolio Segment [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	66,402	64,647
Unpaid Principal Balance	76,331	68,228
Related Allowance	8,124	7,895
YTD Average Recorded Investment	66,761	68,776
YTD Interest Income Recognized	529	2,735
Commercial Real Estate Investor Portfolio Segment [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	13,229	17,895
Unpaid Principal Balance	17,725	25,449
Related Allowance	0	0
YTD Average Recorded Investment	13,311	19,354
YTD Interest Income Recognized	45	130
Commercial Real Estate Construction Financing Receivable [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	9,621	10,260
Unpaid Principal Balance	13,919	14,388
Related Allowance	2,150	2,416
YTD Average Recorded Investment	9,935	11,372
YTD Interest Income Recognized	46	249
Commercial Real Estate Construction Financing Receivable [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	7,972	8,815
Unpaid Principal Balance	11,841	12,535
Related Allowance	2,150	2,416
YTD Average Recorded Investment	8,228	9,796
YTD Interest Income Recognized	43	236
Commercial Real Estate Construction Financing Receivable [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	1,649	1,445
Unpaid Principal Balance	2,078	1,853
Related Allowance	0	0
YTD Average Recorded Investment	1,707	1,576
YTD Interest Income Recognized	3	13
Commercial Real Estate Lending [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	89,252	92,802
Unpaid Principal Balance	107,975	108,065
Related Allowance	10,274	10,311
YTD Average Recorded Investment	90,007	99,502
YTD Interest Income Recognized	620	3,114
Commercial Real Estate Lending [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	74,374	73,462
Unpaid Principal Balance	88,172	80,763
Related Allowance	10,274	10,311
YTD Average Recorded Investment	74,989	78,572
YTD Interest Income Recognized	572	2,971
Commercial Real Estate Lending [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	14,878	19,340
Unpaid Principal Balance	19,803	27,302
Related Allowance	0	0
YTD Average Recorded Investment	15,018	20,930
YTD Interest Income Recognized	48	143
Commercial Financing Receivable [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	194,002	205,780
Unpaid Principal Balance	231,066	241,036
Related Allowance	24,174	25,212
YTD Average Recorded Investment	198,580	220,020
YTD Interest Income Recognized	1,145	6,471
Commercial Financing Receivable [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	152,942	154,039
Unpaid Principal Balance	175,185	171,347
Related Allowance	24,174	25,212
YTD Average Recorded Investment	155,154	164,197
YTD Interest Income Recognized	1,083	5,707
Commercial Financing Receivable [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	41,060	51,741
Unpaid Principal Balance	55,881	69,689
Related Allowance	0	0
YTD Average Recorded Investment	43,426	55,823
YTD Interest Income Recognized	62	764
Home Equity [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	32,057	34,800
Unpaid Principal Balance	36,736	40,436
Related Allowance	13,099	13,989
YTD Average Recorded Investment	32,329	36,717
YTD Interest Income Recognized	339	1,520
Home Equity [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	31,742	34,707
Unpaid Principal Balance	36,421	40,344
Related Allowance	13,099	13,989
YTD Average Recorded Investment	32,014	36,623
YTD Interest Income Recognized	336	1,518
Home Equity [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	315	93
Unpaid Principal Balance	315	92
Related Allowance	0	0
YTD Average Recorded Investment	315	94
YTD Interest Income Recognized	3	2
Installment [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	1,140	1,360
Unpaid Principal Balance	1,392	1,676
Related Allowance	448	487
YTD Average Recorded Investment	1,167	1,753
YTD Interest Income Recognized	14	100
Installment [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	1,140	1,360
Unpaid Principal Balance	1,392	1,676
Related Allowance	448	487
YTD Average Recorded Investment	1,167	1,753
YTD Interest Income Recognized	14	100
Installment [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Related Allowance	0	0
YTD Average Recorded Investment	0	0
YTD Interest Income Recognized	0	0
Residential, Prime, Financing Receivable [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	67,703	67,473
Unpaid Principal Balance	71,919	78,546
Related Allowance	12,088	12,187
YTD Average Recorded Investment	68,139	69,532
YTD Interest Income Recognized	443	2,046
Residential, Prime, Financing Receivable [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	59,396	60,157
Unpaid Principal Balance	63,493	69,699
Related Allowance	12,088	12,187
YTD Average Recorded Investment	59,786	62,211
YTD Interest Income Recognized	416	1,861
Residential, Prime, Financing Receivable [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	8,307	7,316
Unpaid Principal Balance	8,426	8,847
Related Allowance	0	0
YTD Average Recorded Investment	8,353	7,321
YTD Interest Income Recognized	27	185
Consumer Loan [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	100,900	103,633
Unpaid Principal Balance	110,047	120,658
Related Allowance	25,635	26,663
YTD Average Recorded Investment	101,635	108,002
YTD Interest Income Recognized	796	3,666
Consumer Loan [Member] | Loans With Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	92,278	96,224
Unpaid Principal Balance	101,306	111,719
Related Allowance	25,635	26,663
YTD Average Recorded Investment	92,967	100,587
YTD Interest Income Recognized	766	3,479
Consumer Loan [Member] | Loans With No Related Allowance [Member]
Summarize of nonaccrual loans, accruing loans past due 90 days or more, and restructured loans
Recorded Investment	8,622	7,409
Unpaid Principal Balance	8,741	8,939
Related Allowance	0	0
YTD Average Recorded Investment	8,668	7,415
YTD Interest Income Recognized	$ 30	$ 187

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Accumulated Other Comprehensive Income (Loss) Reclassifications Out of AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (24,244)	$ 48,603
Other comprehensive income (loss) before reclassification	20,627	(9,931)
Amounts reclassified from accumulated other comprehensive income (loss)	(47)	790
Income tax (expense) benefit	(7,913)	3,529
Net other comprehensive income (loss) during period	12,667	(5,612)
Ending Balance	(11,577)	42,991
Securities Available For Sale [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(11,396)	86,109
Other comprehensive income (loss) before reclassification	20,627	(9,931)
Amounts reclassified from accumulated other comprehensive income (loss)	(378)	(300)
Income tax (expense) benefit	(7,786)	3,950
Net other comprehensive income (loss) during period	12,463	(6,281)
Ending Balance	1,067	79,828
Defined Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(12,848)	(37,506)
Other comprehensive income (loss) before reclassification	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	331	1,090
Income tax (expense) benefit	(127)	(421)
Net other comprehensive income (loss) during period	204	669
Ending Balance	$ (12,644)	$ (36,837)

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Derivative And Hedging Activities Derivative Instruments Not Designated as Hedging Instruments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Fair Value	$ 40,078		$ 42,980
Other Assets [Member] | Interest Rate Related Instruments Customer and Mirror [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	1,805,140		1,821,787
Fair Value	40,078		42,980
Receive Rate	1.59%	[1]	1.63%	[1]
Pay Rate	1.59%	[1]	1.63%	[1]
Maturity	3 years 8 months		3 years 9 months
Other Assets [Member] | Interest Rate Lock Commitments [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	131,294		102,225
Fair Value	791		416
Other Assets [Member] | Foreign Currency Exchange Forward [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	49,084		25,747
Fair Value	744		748
Other Assets [Member] | Purchased deposit option [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	114,716		115,953
Fair Value	7,490		7,328
Other Liabilities [Member] | Interest Rate Related Instruments Customer and Mirror [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	1,805,140		1,821,787
Fair Value	(42,843)		(45,815)
Receive Rate	1.59%	[1]	1.63%	[1]
Pay Rate	1.59%	[1]	1.63%	[1]
Maturity	3 years 8 months		3 years 9 months
Other Liabilities [Member] | Forward Commitments [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	148,750		135,000
Fair Value	512		1,301
Other Liabilities [Member] | Foreign Currency Exchange Forward [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	41,241		24,413
Fair Value	(607)		(655)
Other Liabilities [Member] | Written deposit option [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	114,716		115,953
Fair Value	$ (7,490)		$ (7,328)

[1] (1)Reflects the weighted average receive rate and pay rate for the interest rate swap derivative financial instruments only.

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

Stock-Based Compensation [Abstract]

Fair value assumptions of stock options

		2014			2013
Dividend yield		2.00	%		2.00	%
Risk-free interest rate		2.00	%		0.99	%
Weighted average expected volatility		20.00	%		34.35	%
Weighted average expected life		6 years			6 years
Weighted average per share fair value of options	$	3.00		$	3.80

Summary of Company's Stock Option Activities

				Weighted Average		Aggregate Intrinsic
		Weighted Average		Remaining		Value
Stock Options	Shares	Exercise Price		Contractual Term		(000s)
Outstanding at December 31, 2012	8,640,558	$	18.88
Granted	1,020,979		14.02
Exercised	(642,202)		13.43
Forfeited or expired	(985,092)		21.49
Outstanding at December 31, 2013	8,034,243	$	18.37		6.03	$	20,838
Options exercisable at December 31, 2013	4,923,720	$	21.48		4.62		8,580
Outstanding at December 31, 2013	8,034,243	$	18.37
Granted	1,389,452		17.45
Exercised	(368,965)		13.71
Forfeited or expired	(408,865)		26.34
Outstanding at March 31, 2014	8,645,865	$	18.05		6.62	$	23,581
Options exercisable at March 31, 2014	5,649,013	$	19.51		5.34		15,290

Summary of Company's Nonvested Stock Option Activities

		Weighted Average
Stock Options	Shares	Grant Date Fair Value
Nonvested at December 31, 2012	4,036,595	$	5.11
Granted	1,020,979		3.80
Vested	(1,680,981)		5.10
Forfeited	(266,070)		5.05
Nonvested at December 31, 2013	3,110,523	$	4.69
Granted	1,389,452		3.00
Vested	(1,451,304)		4.96
Forfeited	(51,819)		4.85
Nonvested at March 31, 2014	2,996,852	$	3.77

Summary of Restricted Stock Awards Activity (Excluding Salary Shares)

		Weighted Average
Restricted Stock	Shares	Grant Date Fair Value
Outstanding at December 31, 2012	932,425	$	13.60
Granted	1,276,868		14.03
Vested	(626,480)		13.68
Forfeited	(71,048)		13.92
Outstanding at December 31, 2013	1,511,765	$	13.92
Granted	1,116,086		17.41
Vested	(477,210)		13.94
Forfeited	(21,566)		14.00
Outstanding at March 31, 2014	2,129,075	$	15.74

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Commitments, Off-Balance Sheet Arrangements and Contingent Liabilities Residential Mortgage Repurchase Reserve (Details) (Mortgage Repurchase Reserve [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Mortgage Repurchase Reserve [Member]
Residential mortgage repurchase reserve
Balance at beginning of period	$ 5,700	$ 3,300
Repurchase provision expense	(638)	5,909
Charge offs	262	3,509
Balance at end of period	$ 4,800	$ 5,700

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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2014

Accumulated Other Comprehensive Income (Loss), Net Of Tax [Abstract]

Summary of activity in accumulated other comprehensive income

			Investments	Defined Benefit			Accumulated
			Securities		Pension and		Other
			Available	Post Retirement			Comprehensive
			For Sale		Obligations		Income (Loss)
Balance January 1, 2014		$	(11,396)	$	(12,848)	$	(24,244)
Other comprehensive income before
	reclassifications		20,627		0		20,627
Amounts reclassified from accumulated other
	comprehensive income (loss)		(378)		331		(47)
Income tax expense			(7,786)		(127)		(7,913)
Net other comprehensive income during period			12,463		204		12,667
Balance March 31, 2014		$	1,067	$	(12,644)	$	(11,577)
Balance January 1, 2013		$	86,109	$	(37,506)	$	48,603
Other comprehensive loss before
	reclassifications		(9,931)		0		(9,931)
Amounts reclassified from accumulated other
	comprehensive income (loss)		(300)		1,090		790
Income tax (expense) benefit			3,950		(421)		3,529
Net other comprehensive income (loss) during period			(6,281)		669		(5,612)
Balance March 31, 2013		$	79,828	$	(36,837)	$	42,991

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Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities

3 Months Ended

Mar. 31, 2014

Commitments, off-balance Sheet Arrangements, and Contingent Liabilities [Abstract]

Commitments, off-balance Sheet Arrangements, and Contingent Liabilities

NOTE 12: Commitments, Off-Balance Sheet Arrangements, and ContingentLiabilities

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) and derivative instruments (see Note 10). The following is a summary of lending-related commitments.

			March 31, 2014		December 31, 2013
			($ in Thousands)
Commitments to extend credit, excluding commitments to originate residential
	mortgage loans held for sale(1)(2)	$	6,235,837	$	6,367,771
Commercial letters of credit (1)			132,590		132,777
Standby letters of credit (3)			258,919		250,030

(1)       These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and is not material at March 31, 2014 or December 31, 2013.

(2)       Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

(3)       The Corporation has established a liability of $4 million at both March 31, 2014 and December 31, 2013,as an estimate of the fair value of these financial instruments.

Lending-related Commitments

As a financial services provider, the Corporation routinely enters into commitments to extend credit. Such commitments are subject to the same credit policies and approval process accorded to loans made by the Corporation, with each customer's creditworthiness evaluated on a case-by-case basis. The commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. The Corporation's exposure to credit loss in the event of nonperformance by the other party to these financial instruments is represented by the contractual amount of those instruments. The amount of collateral obtained, if deemed necessary by the Corporation upon extension of credit, is based on management's credit evaluation of the customer. Since a significant portion of commitments to extend credit are subject to specific restrictive loan covenants or may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements. An allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb estimated probable losses related to unfunded commitments (including unfunded loan commitments and letters of credit).For bothMarch 31, 2014 and December 31, 2013, the Corporation had anallowance for unfunded commitments totaling $22 millionincluded in accrued expenses and other liabilities on the consolidated balance sheets. See Note 6 for additional information on the allowance for unfunded commitments.

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded on the consolidated balance sheets. The Corporation's derivative and hedging activity is further described inNote10. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation has principal investment commitments to provide capital-based financing to private and public companies through either direct investments in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in low-income housing, small-business commercial real estate, new market tax credit projects, and historic tax credit projects to promote the revitalization of low-to-moderate-income neighborhoods throughout the local communities of its bank subsidiary. As a limited partner in these unconsolidated projects, the Corporation is allocated tax credits and deductions associated with the underlying projects. The aggregate carrying value of these investments atMarch 31, 2014was $32 million, included in other assets on the consolidated balance sheets, compared to $33 million at December 31, 2013. Related to these investments, the Corporation had remaining commitments to fund of $14 million at March 31, 2014and $16 million atDecember 31, 2013, respectively.

Contingent Liabilities

The Corporation is party to various pending and threatened claims and legal proceedings arising in the normal course of business activities, some of which involve claims for substantial amounts. Although there can be no assurance as to the ultimate outcomes, the Corporation believes it has meritorious defensesto the claims asserted against it in its currently outstanding matters, including the matters described below, and with respect to such legal proceedings, intends to continue to defend itself vigorously. The Corporation will consider settlement of cases when, in management's judgment, it is in the best interests of both the Corporation and its shareholders.

On at least a quarterly basis, the Corporation assesses its liabilities and contingencies in connection with all pending or threatened claims and litigation, utilizing the most recent information available. On a matter by matter basis, an accrual for loss is established for those matters which the Corporation believes it is probable that a loss may be incurred and that the amount of such loss can be reasonably estimated. Once established, each accrual is adjusted as appropriate to reflect any subsequent developments. Accordingly, management's estimate will change from time to time, and actual losses may be more or less than the current estimate. For matters where a loss is not probable, or the amount of the loss cannot be estimated, no accrual is established.

Resolution of legal claims is inherently unpredictable, and in many legal proceedings various factors exacerbate this inherent unpredictability, including where the damages sought are unsubstantiated or indeterminate, it is unclear whether a case brought as a class action will be allowed to proceed on that basis, discovery is not complete, the proceeding is not yet in its final stages, the matters present legal uncertainties, there are significant facts in dispute, there are a large number of parties(including where it is uncertain how liability, if any, will be shared among multiple defendants), or there is a wide range of potential results.

A lawsuit, R.J. ZAYED v. Associated Bank, N.A., was filed in the United States District Court for the District of Minnesota on January 29, 2013. The lawsuit relates to a Ponzi scheme perpetrated by Oxford Global Partners and related entities (“Oxford”) and individuals and was brought by the receiver for Oxford. Oxford was a depository customer of the Bank. The lawsuit claims that the Bank is liable for failing to uncover the Oxford Ponzi scheme, and specifically alleges the Bank aided and abetted (1) the fraudulent scheme; (2) a breach of fiduciary duty; (3) conversion; and (4) false representations and omissions. The lawsuit seeks unspecified consequential and punitive damages. The District Court granted the Bank's motion to dismiss the complaint on September 30, 2013, and the plaintiff has appealed such dismissal to the U.S. Court of Appeals for the Eighth Circuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time. A lawsuit by investors in the same Ponzi scheme, Herman Grad, et al v. Associated Bank, N.A., brought in Brown County, Wisconsin in October 2009 was dismissed by the circuit court, and the dismissal was affirmed by the Wisconsin Court of Appeals in June 2011 in an unpublished opinion.

A purported class action lawsuit, Wanda Boone v. Associated Banc-Corp, was filed on April 10, 2014 in the United States District Court for the Eastern District of Wisconsin. The lawsuit claims that loan coordinators employed by the Bank were not compensated for all hours worked, including the payment of overtime, in violation of the Fair Labor Standards Act of 1938 and Wisconsin wage laws. The lawsuit seeks monetary damages and attorneys' fees. The Corporation intends to vigorously defend the lawsuit. It is not possible for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss at this time.

Please see "Regulatory Matters" below for additional information.

The Corporation sells residential mortgage loans to investors in the normal course of business. Residential mortgage loans sold to others are predominantly conventional residential first lien mortgages originated under our usual underwriting procedures, and are most often sold on a nonrecourse basis, primarily to the government-sponsored enterprises ("GSEs"). The Corporation's agreements to sell residential mortgage loans in the normal course of business usually require certain representations and warranties on the underlying loans sold, related to credit information, loan documentation, collateral, and insurability. Subsequent to being sold, if a material underwriting deficiency or documentation defect is discovered, the Corporation may be obligated to repurchase the loan or reimburse the GSEs for losses incurred (collectively, "make whole requests"). The make whole requests and any related risk of loss under the representations and warranties are largely driven by borrower performance.

As a result of make whole requests, the Corporation has repurchased loans with principal balances of $1 million and $3 millionduring thethree months endedMarch 31, 2014 and the year ended December 31, 2013, respectively,and paid loss reimbursement claims of $274 thousand and $3 million during the three months endedMarch 31, 2014 and the year ended December 31, 2013, respectively. The Corporation had a repurchase reserve for potential claims on loans previously sold of $5 million at March 31, 2014, compared to $6 million at December 31, 2013.Make whole requests during 2013 and the first three months of2014generally arose from loans sold during the period January 1, 2006 to March 31, 2014, which totaled $17.9 billion at the time of sale, and consisted primarily of loans sold to GSEs. As of March 31, 2014, approximately $7.6 billion of these sold loans remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The following summarizes the changes in the mortgage repurchase reserve.

		For the Three
		Months Ended		For the Year Ended
		March 31, 2014		December 31, 2013
		($ in Thousands)
Balance at beginning of period	$	5,700	$	3,300
Repurchase provision expense		(638)		5,909
Charge offs		(262)		(3,509)
Balance at end of period	$	4,800	$	5,700

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan's maturity, usually after certain time and/or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At March 31, 2014, and December 31, 2013, there were approximately $43 million and $56 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB in exchange for a monthly credit enhancement fee. The Corporation has not sold loans to the FHLB with such credit risk retention since February 2005. At March 31, 2014 and December 31, 2013, there were $219 million and $233 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been negligible historical losses to the Corporation.

Regulatory Matters

In July 2013, the Office of the Comptroller of the Currency (the "OCC") notified the Bank that it was considering imposing a civil money penalty related to the Bank's past Bank Secrecy Act ("BSA") deficiencies which were the subject of a Consent Order. The Consent Order was subsequently terminated in March, 2014. The Bank has responded to such notice, and after considering the Bank's response, the OCC may impose a civil money penalty related to such deficiencies. The Corporation has also been informed by the OCC that the U.S. Treasury's Financial Crimes Enforcement Network (FinCEN) is also considering imposing a civil money penalty related to the same past BSA deficiencies. It is not possible for management to estimate a reasonable range of exposure relating to these potential civil money penalties at this time.