10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2011

Commission File Number 0-25756

IBERIABANK Corporation

(Exact name of registrant as specified in its charter)

Louisiana	72-1280718
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)
200 West Congress Street Lafayette, Louisiana	70501
(Address of principal executive office)	(Zip Code)

(337) 521-4003

(Registrant’s telephone number, including area code)

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 is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company (as defined in Securities Exchange Act Rule 12b-2).

Large Accelerated Filer	x	Accelerated Filer	¨
Non-accelerated Filer	¨	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

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, 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  ¨

At November 4, 2011, the Registrant had 29,355,092 shares of common stock, $1.00 par value, which were issued and outstanding.

IBERIABANK CORPORATION AND SUBSIDIARIES

TABLE OF CONTENTS

		Page
Part I.	Financial Information
Item 1.	Financial Statements (unaudited)		2
	Consolidated Balance Sheets as of September 30, 2011 and December 31, 2010		2
	Consolidated Statements of Income for the three and nine months ended September 30, 2011 and 2010		3
	Consolidated Statements of Shareholders’ Equity for the nine months ended September 30, 2011 and 2010		4
	Consolidated Statements of Cash Flows for the nine months ended September 30, 2011 and 2010		5
	Notes to Unaudited Consolidated Financial Statements		6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		50
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		80
Item 4.	Controls and Procedures		80
Part II.	Other Information
Item 1.	Legal Proceedings		81
Item 1A.	Risk Factors		81
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		82
Item 3.	Defaults Upon Senior Securities		82
Item 4.	(Removed and Reserved)		82
Item 5.	Other Information		82
Item 6.	Exhibits		82
Signatures			84

1

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

IBERIABANK CORPORATION AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(dollars in thousands, except share data)

	(unaudited) September 30, 2011			December 31, 2010
Assets
Cash and due from banks	$	206,464		$	94,941
Interest-bearing deposits in banks		263,924			242,837
Total cash and cash equivalents		470,388			337,778
Fed funds sold		—			9,038
Securities available for sale, at fair value		1,776,827			1,729,794
Securities held to maturity, fair values of $286,281 and $291,994, respectively		280,533			290,020
Mortgage loans held for sale		131,726			83,905
Loans covered by loss share agreement		1,377,765			1,582,747
Non-covered loans, net of unearned income		5,848,559			4,452,585
Total loans, net of unearned income		7,226,324			6,035,332
Allowance for loan losses		(175,320	)		(136,100	)
Loans, net		7,051,004			5,899,232
FDIC loss share receivable		601,862			726,871
Premises and equipment, net		280,709			208,403
Goodwill		350,147			234,228
Other assets		585,666			507,497
Total Assets	$	11,528,862		$	10,026,766
Liabilities
Deposits:
Noninterest-bearing	$	1,414,520		$	878,768
Interest-bearing		7,775,509			7,036,338
Total deposits		9,190,029			7,915,106
Short-term borrowings		214,824			220,328
Long-term debt		461,982			432,251
Other liabilities		189,786			155,624
Total Liabilities		10,056,621			8,723,309
Shareholders’ Equity
Common stock, $1 par value - 50,000,000 shares authorized; 31,163,070 and 28,079,841 shares issued, respectively		31,163			28,080
Additional paid-in-capital		1,135,238			956,864
Retained earnings		368,766			361,055
Accumulated other comprehensive income		23,216			14,680
Treasury stock at cost - 1,830,214 and 1,205,228 shares, respectively		(86,142	)		(57,222	)
Total Shareholders’ Equity		1,472,241			1,303,457
Total Liabilities and Shareholders’ Equity	$	11,528,862		$	10,026,766

The accompanying Notes are an integral part of these Consolidated Financial Statements.

2

IBERIABANK CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME (unaudited)

(dollars in thousands, except per share data)

	For The Three Months Ended September 30,						For The Nine Months Ended September 30,
	2011			2010			2011			2010
Interest and Dividend Income
Loans, including fees	$	101,142		$	89,632		$	309,708		$	260,403
Mortgage loans held for sale, including fees		1,033			1,499			2,747			3,205
Investment securities:
Taxable interest		11,399			11,683			34,939			34,026
Tax-exempt interest		1,912			1,100			4,048			3,324
Accretion (amortization) of FDIC loss share receivable		(2,602	)		(5,025	)		(42,831	)		(4,405	)
Other		546			929			1,380			2,102
Total interest and dividend income		113,430			99,818			309,991			298,655
Interest Expense
Deposits		17,723			24,798			54,784			73,864
Short-term borrowings		154			233			422			623
Long-term debt		3,118			4,854			7,636			14,890
Total interest expense		20,995			29,885			62,842			89,377
Net interest income		92,435			69,933			247,149			209,278
Provision for loan losses		6,127			5,128			21,589			31,227
Net interest income after provision for loan losses		86,308			64,805			225,560			178,051
Noninterest Income
Service charges on deposit accounts		7,448			6,085			19,303			18,361
ATM/debit card fee income		3,132			2,562			9,011			7,444
Income from bank owned life insurance		924			726			2,397			2,153
Gain on sale of loans, net		13,438			13,518			31,719			31,517
Gain on acquisitions		—			—			—			3,781
Title income		4,900			4,852			13,202			13,368
Broker commissions		2,501			2,320			7,767			5,204
Other income		4,777			6,718			13,004			14,009
Total noninterest income		37,120			36,781			96,403			95,837
Noninterest Expense
Salaries and employee benefits		52,679			40,932			142,356			116,323
Occupancy and equipment		14,017			8,779			35,196			24,493
Franchise and shares tax		1,156			669			3,155			2,165
Communication and delivery		3,327			2,331			8,350			7,095
Marketing and business development		2,170			1,545			6,974			4,483
Data processing		2,988			2,969			10,762			9,130
Printing, stationery and supplies		820			728			2,457			2,239
Amortization of acquisition intangibles		1,385			1,316			3,737			3,595
Professional services		3,427			2,321			10,782			10,066
Other expenses		17,597			18,781			50,235			43,556
Total noninterest expense		99,566			80,371			274,004			223,147
Income before income tax expense		23,862			21,215			47,959			50,741
Income tax expense		6,563			7,275			10,827			14,958
Net Income	$	17,299		$	13,940		$	37,132		$	35,783
Earnings Available to Shareholders - Basic	$	17,299		$	13,940		$	37,132		$	35,783
Earnings Allocated to Unvested Restricted Stock		(307	)		(288	)		(682	)		(716	)
Earnings Available to Shareholders - Diluted	$	16,992		$	13,652		$	36,450		$	35,067
Earnings per share - Basic	$	0.58		$	0.52		$	1.31		$	1.41
Earnings per share - Diluted	$	0.58		$	0.52		$	1.31		$	1.40
Cash dividends declared per common share	$	0.34		$	0.34		$	1.02		$	1.02

The accompanying Notes are an integral part of these Consolidated Financial Statements.

3

IBERIABANK CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (unaudited)

(dollars in thousands, except share and per share data)

	Common Stock		Additional Paid-In Capital			Retained Earnings			Accumulated Other Comprehensive Income			Treasury Stock			Total
Balance, December 31, 2009	$	22,107	$	632,086		$	341,621		$	22,416		$	(64,015	)	$	954,215
Comprehensive income:
Net income							35,783									35,783
Change in unrealized gain on securities available for sale, net of taxes										9,621						9,621
Change in fair value of derivatives used for cash flow hedges, net of taxes										(8,042	)					(8,042	)
Total comprehensive income																37,362
Cash dividends declared, $1.02 per share							(27,358	)								(27,358	)
Reissuance of treasury stock under incentive compensation plans, net of shares surrendered in payment, including tax benefit, 152,402 shares				(561	)								1,245			684
Common Stock Issued, 5,973,182 shares		5,973		323,007												328,980
Common stock issued for recognition and retention plan, net of shares forfeited				(5,402	)								5,402			—
Share-based compensation cost				5,865												5,865
Balance, September 30, 2010	$	28,080	$	954,995		$	350,046		$	23,995		$	(57,368	)	$	1,299,748
Balance, December 31, 2010	$	28,080	$	956,864		$	361,055		$	14,680		$	(57,222	)	$	1,303,457
Comprehensive income:
Net income							37,132									37,132
Change in unrealized gain on securities available for sale, net of taxes										19,236						19,236
Change in fair value of derivatives used for cash flow hedges, net of taxes										(10,700	)					(10,700	)
Total comprehensive income																45,668
Cash dividends declared, $1.02 per share							(29,421	)								(29,421	)
Reissuance of treasury stock under incentive compensation plans, net of shares surrendered in payment, including tax benefit, 275,014 shares				(1,247	)								7,076			5,829
Common stock issued for acquisitions, 3,083,229 shares		3,083		178,057												181,140
Common stock issued for recognition and retention plan, net of shares forfeited				(5,390	)								5,390			—
Treasury stock acquired at cost, 900,000 shares													(41,386	)		(41,386	)
Share-based compensation cost				6,954												6,954
Balance, September 30, 2011	$	31,163	$	1,135,238		$	368,766		$	23,216		$	(86,142	)	$	1,472,241

The accompanying Notes are an integral part of these Consolidated Financial Statements.

4

IBERIABANK CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)

(dollars in thousands)

	For The Nine Months Ended September 30,
	2011			2010
Cash Flows from Operating Activities
Net income	$	37,132		$	35,783
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		9,670			7,975
Amortization of purchase accounting adjustments		(21,494	)		(51,771	)
Provision for loan losses		21,589			31,227
Noncash compensation expense		6,954			5,865
Loss on impaired securities		—			517
(Gain) loss on sale of assets		(275	)		464
Gain on sales and calls of investments		(2,682	)		(5,158	)
Gain on sale of OREO		(1,745	)		—
Gain on acquisitions		—			(3,781	)
Amortization of premium/discount on investments		13,264			10,204
(Benefit) Provision for deferred income taxes		756			3,624
Mortgage loans held for sale
Originations and transfers		(1,146,767	)		(1,256,416	)
Proceeds from sales		1,134,050			1,183,332
Gain on sale of loans, net		(31,719	)		(31,517	)
Excess tax benefits from share-based payment arrangements		(1,416	)		(615	)
(Increase) decrease in other assets		(27,505	)		85,639
Other operating activities, net		(3,958	)		(17,434	)
Net Cash Used in Operating Activities		(14,146	)		(2,062	)
Cash Flows from Investing Activities
Proceeds from sales of securities available for sale		114,588			214,787
Proceeds from maturities, prepayments and calls of securities available for sale		440,694			446,565
Purchases of securities available for sale		(268,880	)		(854,208	)
Proceeds from maturities, prepayments and calls of securities held to maturity		21,659			31,333
Purchases of securities held to maturity		(11,886	)		(92,186	)
FDIC Reimbursement of recoverable covered asset losses		132,353			312,583
(Increase) decrease in loans receivable, net		(322,174	)		193,000
Proceeds from sale of premises and equipment		2,474			456
Purchases of premises and equipment		(34,697	)		(27,466	)
Proceeds from disposition of real estate owned		51,468			32,903
Investment in new market tax credit entities		(9,425	)		—
Cash received in excess of cash paid in acquisition		80,490			24,134
Other investing activities, net		18,798			1,250
Net Cash Provided by Investing Activities		215,462			283,151
Cash Flows from Financing Activities
Increase in deposits		75,049			434,902
Net change in short-term borrowings		(43,933	)		25,897
Proceeds from long-term debt		2,920			45,233
Repayments of long-term debt		(38,600	)		(363,226	)
Dividends paid to common shareholders		(28,585	)		(25,275	)
Proceeds from issuance of treasury stock for stock options exercised		5,978			1,406
Payments to repurchase common stock		(42,951	)		(1,336	)
Common stock issued		—			328,980
Excess tax benefit from share-based payment arrangements		1,416			615
Net Cash (Used in) Provided by Financing Activities		(68,706	)		447,196
Net Increase in Cash and Cash Equivalents		132,610			728,285
Cash and Cash Equivalents at Beginning of Period		337,778			175,397
Cash and Cash Equivalents at End of Period	$	470,388		$	903,682
Supplemental Schedule of Noncash Activities
Acquisition of real estate in settlement of loans	$	85,245		$	22,275
Common stock issued in acquisition	$	181,140		$	—
Exercise of stock options with payment in company stock	$	378		$	—
Supplemental Disclosures
Cash paid for:
Interest on deposits and borrowings	$	63,543		$	91,403
Income taxes, net	$	35,545		$	15,908

The accompanying Notes are an integral part of these Consolidated Financial Statements.

5

IBERIABANK CORPORATION AND SUBSIDIARIES

Notes to Consolidated Financial Statements

(Unaudited)

Note 1 – Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include information or footnotes necessary for a complete presentation of financial position, results of operations and cash flows in conformity with generally accepted accounting principles. These interim financial statements should be read in conjunction with the audited financial statements and note disclosures for IBERIABANK Corporation (“the Company”) previously filed with the Securities and Exchange Commission (“The SEC”) in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Principles of Consolidation

The unaudited consolidated financial statements include the accounts of IBERIABANK Corporation and its wholly owned subsidiaries, IBERIABANK, Lenders Title Company (“LTC”), IBERIA Capital Partners LLC (“ICP”), IB Aircraft Holdings, LLC, IBERIA Asset Management Inc. (“IAM”), and IBERIA CDE, LLC (“CDE”). All significant intercompany balances and transactions have been eliminated in consolidation. All normal, recurring adjustments which, in the opinion of management are necessary for a fair presentation of the financial statements, have been included. Certain amounts reported in prior periods have been reclassified to conform to the current period presentation.

Nature of Operations

The Company offers commercial and retail banking products and services to customers throughout locations in six states through IBERIABANK. The Company also operates mortgage production offices in twelve states through IBERIABANK Mortgage Company (“IMC”), and offers a full line of title insurance and closing services throughout Arkansas and Louisiana through LTC and its subsidiaries. ICP provides equity research, institutional sales and trading, and corporate finance services. IB Aircraft Holdings, LLC owns a fractional share of an aircraft used by management of the Company and its subsidiaries. IAM provides wealth management and trust services for commercial and private banking clients. CDE is utilized to purchase tax credits.

Segments

In prior years, the Company strategically managed and reported the results of its business through three operating segments: IBERIABANK, IBERIABANK fsb, and LTC. The Company’s IBERIABANK and IBERIABANK fsb segments offered commercial and retail banking products and services to customers throughout locations in six states. IBERIABANK provided these products and services in Louisiana, Alabama, and Florida, while IBERIABNK fsb provided similar services in Arkansas, Tennessee, and Texas. As a Louisiana-chartered commercial bank and a member of the Federal Reserve System, IBERIABANK is subject to regulation, supervision and examination by the Office of Financial Institutions of the State of Louisiana, IBERIABANK’s chartering authority, and the Board of Governors of the Federal Reserve System (the “FRB”), IBERIABANK’s primary federal regulator. As a federal savings association, IBERIABANK fsb was subject to regulation, supervision and examination by the Office of Thrift Supervision (the “OTS”).

The IBERIABANK and IBERIABANK fsb segments were considered reportable segments based on quantitative thresholds applied for reportable segments provided by ASC Topic 280, and were disclosed separately. The Company’s LTC segment did not meet the thresholds provided, but was reported because management believed information about this segment would be useful to readers of the Company’s consolidated financial statements. A fourth reportable column, entitled “Other”, included the results of operations and financial condition of the Company’s other subsidiaries, as well as the activities of the Company’s holding company, which include corporate business activities, including payment of employee salary and benefits and marketing, business development, legal, professional, and other corporate expenses. Certain expenses not directly attributable to a specific segment were allocated to segments based on pre-determined means that reflected utilization.

Upon the merger of the Company’s two financial institution subsidiaries, IBERIABANK and IBERIABANK fsb, at the close of business on December 31, 2010, all of the Company’s banking operations are considered by management to be aggregated in one reportable operating segment. Because the overall banking operations comprise substantially all of the consolidated operations and none of the Company’s other subsidiaries, either individually or in the aggregate, meet quantitative materiality thresholds provided by ASC Topic 280, no separate segment disclosures are presented in these unaudited consolidated financial statements.

Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. Material estimates that are susceptible to significant change in the near term are the allowance for loan losses, valuation of and accounting for loans covered by loss sharing arrangements with the FDIC and the related loss share receivable, valuation of goodwill, intangible assets and other purchase accounting adjustments, and share-based compensation.

6

Note 2 – Recent Accounting Pronouncements

International Financial Reporting Standards (“IFRS”)

In November 2009, the SEC issued a proposed roadmap regarding the potential use by U.S. issuers of financial statements prepared in accordance with IFRS. IFRS is a comprehensive series of accounting standards published by the International Accounting Standards Board (“IASB”). Under the proposed roadmap, the Company may be required to prepare financial statements in accordance with IFRS as early as 2014. The SEC will make a determination later in 2011 regarding the mandatory adoption of IFRS. The Company is currently assessing the impact that this potential change would have on its operating results and financial condition, and will continue to monitor the development of the potential implementation of IFRS.

ASU No. 2010-20, ASU No. 2011-01, and ASU No. 2011-02

In 2010, the Company adopted the provisions of Accounting Standards Update (“ASU”) No. 2010-20, Receivables (Topic 310): Disclosures about the Credit Quality of Financing Receivables and the Allowance for Credit Losses, which required the Company to provide new disclosures in its financial statements to improve the transparency of financial reporting by requiring enhanced disclosures about the Company’s allowance for credit losses as well as the credit quality of the Company’s loan portfolio. The additional disclosures required are incorporated in Notes 6 and 7 in these unaudited consolidated financial statements.

In January 2011, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2011-01, Receivables (Topic 310): Deferral of the Effective Date of Disclosures about Troubled Debt Restructurings in Update No. 2010-20, that temporarily delayed the effective date of the disclosures about troubled debt restructurings (“TDRs”) that are included in ASU No. 2010-20. The TDR disclosure guidance is effective beginning with the Company’s current interim period ended September 30, 2011. The enhanced disclosures required are incorporated in Note 6 in these unaudited consolidated financial statements.

In April 2011, the FASB issued ASU No. 2011-02, Receivables (Topic 310): A Creditor’s Determination of Whether a Restructuring is a Troubled Debt Restructuring, which clarifies the evaluation criteria a creditor should use when evaluating whether a credit restructuring constitutes a troubled debt restructuring. In order to be a troubled debt restructuring, a creditor must separately conclude that a) the restructuring constitutes a concession and b) the debtor is experiencing financial difficulties. The ASU further clarifies the guidance on a creditor’s evaluation of whether it has granted a concession. The Company adopted the provisions of this ASU in the previous quarter. Although the adoption of the ASU did not have a material impact on the Company’s identified TDRs in these unaudited consolidated financial statements, the clarification in this ASU may result in the Company identifying more loan modifications as troubled debt restructurings in future periods, which may impact the Company’s provision for loan losses and allowance for loan losses in future periods.

ASU No. 2010-29

In January 2011, the Company adopted the provisions of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations, which provides guidance on the disclosures reported in an entity’s financial statements regarding business acquisitions and clarifies the acquisition date that should be used for reporting the pro forma financial information disclosures in Topic 805 when comparative financial statements are presented. The ASU specifies that if an entity presents comparative financial statements, the entity should disclose revenue and earnings of the combined entity as though the business combination or combinations that occurred during the current year had occurred as of the beginning of the comparable prior annual reporting period only. The amendments in this ASU also expand the supplemental pro forma disclosures currently required under Topic 805 to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings.

The Company has provided the disclosures required by ASU No. 2010-29 in Note 4 of these unaudited consolidated financial statements.

7

Note 3 – Earnings Per Share

ASC Topic 260 clarifies share-based payment awards that entitle holders to receive non-forfeitable dividends before vesting should be considered participating securities and thus included in the calculation of basic earnings per share. These awards are included in the calculation of basic earnings per share under the two-class method. The two-class method allocates earnings for the period between common shareholders and other security holders. The participating awards receiving dividends will be allocated the same amount of income as if they were outstanding shares.

The following table presents the calculation of basic and diluted earnings per share for the three and nine months ended September 30, 2011 and 2010.

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Income available to common shareholders	$	17,299,000		$	13,940,000		$	37,132,000		$	35,783,000
Distributed and undistributed earnings to unvested restricted stock		(311,000	)		(289,000	)		(695,000	)		(719,000	)
Distributed and undistributed earnings to common shareholders – Basic(1)		16,988,000			13,651,000			36,437,000			35,064,000
Undistributed earnings reallocated to unvested restricted stock		4,000			1,000			13,000			3,000
Distributed and undistributed earnings to common shareholders – Diluted	$	16,992,000		$	13,652,000		$	36,450,000		$	35,067,000
Weighted average shares outstanding- Basic(3)		29,908,906			26,840,723			28,239,856			25,307,923
Weighted average shares outstanding- Diluted		29,472,519			26,460,084			27,901,360			25,023,012
Earnings per common share – Basic(1)	$	0.58		$	0.52		$	1.31		$	1.41
Earnings per common share - Diluted	$	0.58		$	0.52		$	1.31		$	1.40
Earnings per unvested restricted stock share – Basic (2)	$	0.59		$	0.52		$	1.44		$	1.43
Earnings per unvested restricted stock share - Diluted	$	0.59		$	0.52		$	1.41		$	1.42

(1) Total earnings available to common shareholders include distributed earnings of $9,794,000, or $0.33 per weighted average share, and undistributed earnings of $7,194,000, or $0.25 per weighted average share for the three months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $8,947,000, or $0.34 per weighted average share, and undistributed earnings of $4,704,000, or $0.18 per weighted average share for the three months ended September 30, 2010. Total earnings available to common shareholders include distributed earnings of $28,870,000, or $1.04 per weighted average share, and undistributed earnings of $7,567,000, or $0.27 per weighted average share for the nine months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $26,817,000 or $1.08 per weighted average share, and undistributed earnings of $8,247,000, or $0.33 per weighted average share for the nine months ended September 30, 2010.

(2) Total earnings available to unvested restricted stock include distributed earnings of $179,000, or $0.34 per weighted average share, and undistributed earnings of $132,000 or $0.25 per weighted average share, under the two-class method for the three months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $189,000, or $0.34 per weighted average share, and undistributed earnings of $100,000, or $0.18 per weighted average share, under the two-class method for the three months ended September 30, 2010. Total earnings available to unvested restricted stock include distributed earnings of $551,000, or $1.14 per weighted average share, and undistributed earnings of $145,000 or $0.30 per weighted average share, under the two-class method for the nine months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $550,000, or $1.09 per weighted average share, and undistributed earnings of $169,000 or $0.34 per weighted average share, under the two-class method for the nine months ended September 30, 2010.

(3) Weighted average basic shares outstanding include 523,964 and 554,125 shares of unvested restricted stock for the three months ended September 30, 2011 and 2010, respectively, and 483,279 and 503,759 shares of unvested restricted stock for the nine months ended September 30, 2011 and 2010, respectively.

8

For the three-month periods ended September 30, 2011 and 2010, the calculations for basic shares outstanding exclude: (a) the weighted average shares owned by the Recognition and Retention Plan (“RRP”) of 578,049 and 581,444, respectively, and (b) the weighted average shares in Treasury Stock of 1,200,080 and 1,211,799 respectively. For the nine-month periods ended September 30, 2011 and 2010, the calculations for basic shares outstanding exclude: (a) the weighted average shares owned by the Recognition and Retention Plan (“RRP”) of 571,068 and 559,114, respectively, and (b) the weighted average shares in Treasury Stock of 1,130,049 and 1,272,497, respectively.

The effect from the assumed exercise of 554,240 and 530,308 stock options was not included in the computation of diluted earnings per share for the quarters ended September 30, 2011 and 2010, respectively, because such amounts would have had an antidilutive effect on earnings per share. The effect from the assumed exercise of 443,012 and 462,515 stock options was not included in the computation of diluted earnings per share for the nine months ended September 30, 2011 and 2010, respectively, because such amounts would also have had an antidilutive effect on earnings per share.

Note 4 – Acquisition Activity

OMNI BANCSHARES, Inc.

On May 31, 2011, the Company acquired OMNI BANCSHARES, Inc. (“OMNI”), the holding company of OMNI BANK, headquartered in Metairie, Louisiana with 14 offices in the New Orleans and Baton Rouge, LA markets. The Company acquired OMNI in order to further expand its banking operations into the New Orleans Metropolitan area. The Company acquired all of the outstanding common stock of the former OMNI shareholders for total consideration of $46,407,000, which resulted in preliminary goodwill of $64,571,000, as shown in the following table:

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		698,768	$	41,053
Options issued		41,979		513
Total Equity Consideration			$	41,566
Non-Equity Consideration
Change in Control Payments			$	4,832
Cash				9
Total Non-Equity Consideration			$	4,841
Total Consideration Paid			$	46,407
Fair Value of Net Liabilities Assumed including Identifiable Intangible Assets				(18,164	)
Goodwill			$	64,571

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. Both the purchased assets and liabilities assumed were recorded at their respective acquisition date fair values. Identifiable intangible assets, including core deposit intangible assets, were recorded at fair value. Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition.

Fair values, including the fair value assigned to loans, are preliminary and subject to refinement as information relative to the closing date fair values becomes available. Under current accounting principles, information regarding the Company’s estimate of loan fair values may be adjusted for a period of up to one year as the Company continues to refine its estimate of expected future cash flows in the acquired portfolio. Determining the fair value of assets and liabilities, particularly illiquid assets and liabilities, is a complicated process involving significant judgment regarding estimates and assumptions used to calculate estimated fair value. The Company may incur losses on the acquired loans that are materially different from losses the Company originally projected. Fair value adjustments based on updated loss estimates could materially affect the goodwill recorded on the acquisition.

The Company’s unaudited consolidated financial statements as of and for the nine-month period ended September 30, 2011 include the operating results of the acquired assets and assumed liabilities for the 122 days subsequent to the May 31, 2011 acquisition date. Due to the system conversion of the acquired entity during the current period and subsequent integration of the operating activities of the acquired branches into existing Company markets, disclosure of the revenue from the assets acquired and income before income taxes is impracticable for the 122-day period.

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The acquired assets and liabilities, as well as the adjustments to record the assets and liabilities at fair value, are presented in the following table. The table also includes intangible assets other than goodwill created in the acquisition, namely, core deposit intangible assets.

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	54,683	$	—		$	54,683
Investment securities		91,808		(789	) (a)		91,019
Loans		503,695		(36,761	) (b)		466,934
Other real estate owned		24,759		(2,843	) (c)		21,916
Core deposit intangible		—		829	(d)		829
Other assets		56,872		(11,571	) (e)		45,301
Total Assets	$	731,817	$	(51,135	)	$	680,682
Liabilities
Interest-bearing deposits		504,615		1,812	(f)		506,427
Noninterest-bearing deposits		129,181		—			129,181
Borrowings		58,168		196	(g)		58,364
Other liabilities		3,971		903	(h)		4,874
Total Liabilities	$	695,935	$	2,911		$	698,846

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of OMNI’s investments to their estimated fair value based on fair values on the date of acquisition.

(b) The adjustment represents the write down of the book value of OMNI’s loans to their estimated fair value based on current interest rates and expected cash flows which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the write down of the book value of OMNI’s OREO properties to their estimated fair value at the acquisition date based on their appraised value, as adjusted for costs to sell.

(d) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(e) The adjustment represents the write down of the book value of OMNI’s property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(f) The adjustment is necessary because the weighted average interest rate of OMNI’s CD’s exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense over the life of the portfolio, which is estimated at 60 months.

(g) The adjustment is necessary because the interest rate of OMNI’s fixed rate borrowings exceeded current interest rates on similar borrowings.

(h) The adjustment is necessary because the fair value of the Company’s liability under assumed lease agreements from OMNI is lower than the total cash payments remaining under the existing leases.

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Cameron Bancshares, Inc.

On May 31, 2011, the Company acquired Cameron Bancshares, Inc. (“Cameron”), the holding company of Cameron State Bank, headquartered in Lake Charles, Louisiana, with 22 offices and 48 ATMs in the Lake Charles region. The Company acquired Cameron in order to expand its banking operations into the Lake Charles, Louisiana area. The Company acquired all of the outstanding common stock of the former Cameron shareholders for total consideration of $143,241,000, which resulted in preliminary goodwill of $51,296,000, as shown in the following table:

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		2,384,461	$	140,087
Options issued		—		—
Total Equity Consideration			$	140,087
Non-Equity Consideration
Change in Control Payments			$	3,144
Cash				10
Total Non-Equity Consideration			$	3,154
Total Consideration Paid			$	143,241
Fair Value of Net Assets Acquired including Identifiable Intangible Assets				91,945
Goodwill			$	51,296

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. Both the purchased assets and liabilities assumed were recorded at their respective acquisition date fair values. Identifiable intangible assets, including core deposit intangible assets, were recorded at fair value. Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition.

Fair values, including the fair value assigned to loans, are preliminary and subject to refinement as information relative to the closing date fair values becomes available. Under current accounting principles, information regarding the Company’s estimate of loan fair values may be adjusted for a period of up to one year as the Company continues to refine its estimate of expected future cash flows in the acquired portfolio. Determining the fair value of assets and liabilities, particularly illiquid assets and liabilities, is a complicated process involving significant judgment regarding estimates and assumptions used to calculate estimated fair value. The Company may incur losses on the acquired loans that are materially different from losses the Company originally projected. Fair value adjustments based on updated loss estimates could materially affect the goodwill recorded on the acquisition.

The Company’s unaudited consolidated financial statements as of and for the nine-month period ended September 30, 2011 include the operating results of the acquired assets and assumed liabilities for the 122 days subsequent to the May 31, 2011 acquisition date. Due to the system conversion of the acquired entity during the current period and subsequent integration of the operating activities of the acquired branches into existing Company markets, disclosure of the revenue from the assets acquired and income before income taxes is impracticable for the 122-day period.

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The acquired assets and liabilities, as well as the adjustments to record the assets and liabilities at fair value, are presented in the following table. The table also includes intangible assets other than goodwill created in the acquisition, namely, core deposit intangible assets.

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	29,191	$	—		$	29,191
Investment securities		223,720		(35	) (a)		223,685
Loans		404,618		6,610	(b)		411,228
Other real estate owned		710		—			710
Core deposit intangible		—		5,178	(c)		5,178
Other assets		44,525		(4,175	) (d)		40,350
Total Assets	$	702,764	$	7,578		$	710,342
Liabilities
Interest-bearing deposits		402,090		818	(e)		402,908
Noninterest-bearing deposits		164,363		—			164,363
Borrowings		46,804		2,198	(f)		49,002
Other liabilities		2,124		—			2,124
Total Liabilities	$	615,381	$	3,016		$	618,397

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of Cameron’s investments to their estimated fair value based on fair values on the date of acquisition which includes an estimate of expected future loan losses.

(b) The adjustment represents the write up of the book value of Cameron’s loans to their estimated fair value based on current interest rates and expected cash flows, which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(d) The adjustment represents the write down of the book value of Cameron’s property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(e) The adjustment is necessary because the weighted average interest rate of Cameron’s CD’s exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense on a declining basis over the life of the portfolio, which is estimated at 69 months.

(f) The adjustment is necessary because the interest rate of Cameron’s fixed rate borrowings exceeded current interest rates on similar borrowings.

Purchase of certain assets of Florida Trust Company

On June 14, 2011, the Company purchased certain assets of the Florida Trust Company, a wholly-owned subsidiary of the Bank of Florida Corporation. Florida Trust Company operates offices in Naples and Ft. Lauderdale, Florida. Upon acquisition, the Florida Trust Company became part of the trust and asset management division of IBERIABANK.

Under terms of the agreement, IBERIABANK paid the Bank of Florida Corporation $700,000 and will pay a contingent payment of up to $700,000 for the acquisition of the assets of Florida Trust Company. The contingent payment will be paid approximately one year after the consummation of the transaction and will be determined based on the amount of revenue realized by IBERIABANK during that period generated from the former Florida Trust Company clients.

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. The acquisition resulted in additional intangible assets of $1,400,000 included in the Company’s consolidated balance sheet as of September 30, 2011, of which $52,000 was goodwill.

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Supplemental pro forma information

The following pro forma information for the nine months ended September 30, 2011 and 2010 reflects the Company’s estimated consolidated results of operations as if the acquisitions of OMNI, Cameron, and Florida Trust Company occurred at January 1, 2010, unadjusted for potential cost savings.

(dollars in thousands, except per share data)	2011		2010
Interest and noninterest income	$	440,337	$	461,142
Net income		39,646		44,239
Earnings per share – basic		1.34		1.55
Earnings per share – diluted		1.33		1.54

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Note 5 – Investment Securities

The amortized cost and fair values of investment securities, with gross unrealized gains and losses, consist of the following:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—	$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		368,175		6,063		(70	)		374,168
Obligations of state and political subdivisions		140,227		4,803		(723	)		144,307
Mortgage backed securities		1,228,229		27,753		(1,133	)		1,254,849
Other securities		3,390		113		—			3,503
Total securities available for sale	$	1,740,021	$	38,732	$	(1,926	)	$	1,776,827
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,248	$	2,413	$	—		$	182,661
Obligations of state and political subdivisions		71,468		2,706		(81	)		74,093
Mortgage backed securities		28,817		810		(100	)		29,527
Total securities held to maturity	$	280,533	$	5,929	$	(181	)	$	286,281
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	424,180	$	2,414	$	(3,794	)	$	422,800
Obligations of state and political subdivisions		39,896		668		(395	)		40,169
Mortgage backed securities		1,255,624		19,508		(11,263	)		1,263,869
Other securities		2,882		74		—			2,956
Total securities available for sale	$	1,722,582	$	22,664	$	(15,452	)	$	1,729,794
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,479	$	2,549	$	(68	)	$	182,960
Obligations of state and political subdivisions		75,768		480		(1,728	)		74,520
Mortgage backed securities		33,773		741		—			34,514
Total securities held to maturity	$	290,020	$	3,770	$	(1,796	)	$	291,994

Securities with carrying values of $1,567,433,000 and $1,230,358,000 were pledged to secure public deposits and other borrowings at September 30, 2011 and December 31, 2010, respectively.

Management evaluates securities for other-than-temporary impairment at least quarterly, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to 1) the length of time and the extent to which the fair value has been less than amortized cost, 2) the financial condition and near-term prospects of the issuer, and 3) the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value above amortized cost. In analyzing an issuer’s financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and industry analysts’ reports.

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Information pertaining to securities with gross unrealized losses at September 30, 2011 and December 31, 2010, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows:

	Less Than Twelve Months					Over Twelve Months					Total
	Gross					Gross					Gross
(dollars in thousands)	Unrealized			Fair		Unrealized			Fair		Unrealized			Fair
	Losses			Value		Losses			Value		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—		$	—	$	—		$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		(70	)		20,383		—			—		(70	)		20,383
Obligations of state and political subdivisions		(723	)		2,660		—			—		(723	)		2,660
Mortgage backed securities		(764	)		117,114		(369	)		29,523		(1,133	)		146,637
Total securities available for sale	$	(1,557	)	$	140,157	$	(369	)	$	29,523	$	(1,926	)	$	169,680
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	—		$	—	$	—		$	—	$	—		$	—
Obligations of state and political subdivisions		—			—		(81	)		2,747		(81	)		2,747
Mortgage backed securities		(100	)		13,670		—			—		(100	)		13,670
Total securities held to maturity	$	(100	)	$	13,670	$	(81	)	$	2,747	$	(181	)	$	16,417
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	(3,794	)	$	195,785	$	—		$	—	$	(3,794	)	$	195,785
Obligations of state and political subdivisions		(395	)		6,771		—			—		(395	)		6,771
Mortgage backed securities		(10,678	)		528,280		(585	)		20,908		(11,263	)		549,188
Total securities available for sale	$	(14,867	)	$	730,836	$	(585	)	$	20,908	$	(15,452	)	$	751,744
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	(68	)	$	7,075	$	—		$	—	$	(68	)	$	7,075
Obligations of state and political subdivisions		(1,526	)		36,646		(202	)		1,128		(1,728	)		37,774
Mortgage backed securities		—			—		—			—		—			—
Total securities held to maturity	$	(1,594	)	$	43,721	$	(202	)	$	1,128	$	(1,796	)	$	44,849

At September 30, 2011, 49 debt securities had unrealized losses of 1.1% of the securities’ amortized cost basis and 0.1% of the Company’s total amortized cost basis. The unrealized losses for each of the 49 securities relate to market interest rate changes. Ten of the 49 securities have been in a continuous loss position for over twelve months at September 30, 2011. These ten securities had an aggregate amortized cost basis and unrealized loss of $32,720,000 and $450,000, respectively. The ten securities were issued by either Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac) or by state and political subdivisions (Municipals). The Fannie Mae and Freddie Mac securities are rated AAA.

At December 31, 2010, 142 debt securities had unrealized losses of 2.1% of the securities’ amortized cost basis and 0.9% of the Company’s total amortized cost basis. The unrealized losses for each of the 142 securities relate to market interest rate changes. Ten of the 142 securities had been in a continuous loss position for over twelve months. These ten securities have an aggregate amortized cost basis and unrealized loss of $22,822,000 and $787,000, respectively. The ten securities were issued by either Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac) or by state and political subdivisions (Municipals). The Fannie Mae and Freddie Mac securities are rated AAA.

The Company assessed the nature of the losses in its portfolio as of September 30, 2011 and December 31, 2010 to determine if there are losses that are deemed other-than-temporary. In its analysis of these securities, management considered numerous factors to determine whether there were instances where the amortized cost basis of the debt securities would not be fully recoverable, including, but not limited to:

• the length of time and extent to which the fair value of the securities was less than their amortized cost,

• whether adverse conditions were present in the operations, geographic area, or industry of the issuer,

• the payment structure of the security, including scheduled interest and principal payments, including the issuer’s failures to make scheduled payments, if any, and the likelihood of failure to make scheduled payments in the future,

• changes to the rating of the security by a rating agency, and

15

• subsequent recoveries or additional declines in fair value after the balance sheet date.

Management believes it has considered these factors, as well as all relevant information available, when determining the expected future cash flows of the securities in question. In each instance, management has determined the cost basis of the securities would be fully recoverable. Management also has the intent and ability to hold debt securities until their maturity or anticipated recovery if the security is classified as available for sale. In addition, management does not believe the Company will be required to sell debt securities before the anticipated recovery of the amortized cost basis of the security.

The amortized cost and estimated fair value by maturity of investment securities at September 30, 2011 are shown in the following table. Securities are classified according to their contractual maturities without consideration of principal amortization, potential prepayments or call options. Accordingly, actual maturities may differ from contractual maturities.

	Securities							Securities
	Available for Sale							Held to Maturity
(dollars in thousands)	Weighted Average			Amortized		Fair		Weighted Average			Amortized		Fair
	Yield			Cost		Value		Yield			Cost		Value
Within one year or less		0.89	%	$	45,113	$	45,325		1.29	%	$	21,097	$	21,254
One through five years		2.37			145,380		148,696		2.24			165,975		168,407
After five through ten years		2.57			542,546		556,387		3.23			23,126		24,227
Over ten years		2.82			1,006,982		1,026,419		3.34			70,335		72,393
Totals		2.66	%	$	1,740,021	$	1,776,827		2.53	%	$	280,533	$	286,281

The following is a summary of realized gains and losses from the sale of securities classified as available for sale.

	Three Months Ended September 30,					Nine Months Ended September 30,
(dollars in thousands)	2011			2010		2011			2010
Realized gains	$	1,213		$	4,176	$	2,640		$	5,178
Realized losses		(7	)		—		(7	)		(20	)
Net realized gains	$	1,206		$	4,176	$	2,633		$	5,158

In addition to the gains above, the Company realized certain immaterial gains on the calls of held to maturity securities.

The following is a summary of the changes in other comprehensive income (“OCI”) as a result of investment portfolio activity.

	Nine Months Ended
(dollars in thousands)	September 30, 2011			September 30, 2010
Balance at beginning of period, net	$	5,310		$	10,376
Unrealized gain on securities available for sale		32,227			20,476
Other-than-temporary impairment		—			(517	)
Reclassification adjustment for net (gains) losses realized in net income		(2,633	)		(5,158	)
Net unrealized gain		29,594			14,801
Tax effect		10,358			5,180
Net of tax change		19,236			9,621
Balance at end of period, net	$	24,546		$	19,997

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Note 6 – Loans Receivable

Loans receivable at September 30, 2011 and December 31, 2010 consist of the following:

(dollars in thousands)	September 30,		December 31,
	2011		2010
Residential mortgage loans:
Residential 1-4 family	$	511,524	$	616,550
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		528,780		631,372
Commercial loans:
Real estate		3,335,650		2,647,107
Business		1,884,056		1,515,856
Total commercial loans		5,219,706		4,162,963
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		1,022,134		834,840
Other		195,702		150,835
Total consumer loans		1,477,838		1,240,997
Total loans receivable	$	7,226,324	$	6,035,332

In 2009, the Company acquired substantially all of the assets and liabilities of CapitalSouth Bank (“CSB”), and certain assets and assumed certain deposit and other liabilities of Orion Bank (“Orion”) and Century Bank (“Century”). In 2010, the Company acquired certain assets and assumed certain deposit and other liabilities of Sterling Bank. The loans and foreclosed real estate that were acquired in these transactions are covered by loss share agreements between the FDIC and IBERIABANK, which afford IBERIABANK significant loss protection. Under the loss share agreements, the FDIC will cover 80% of covered loan and foreclosed real estate losses up to certain thresholds for all four acquisitions and 95% of losses that exceed those thresholds for CSB, Orion, and Century only.

Because of the loss protection provided by the FDIC, the risks of the CSB, Orion, Century, and Sterling loans and foreclosed real estate are significantly different from those assets not covered under the loss share agreement. Accordingly, the Company presents loans subject to the loss share agreements as “covered loans” in the information below and loans that are not subject to the loss share agreement as “non-covered loans.”

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Non-covered Loans

The following is a summary of the major categories of non-covered loans outstanding.

(dollars in thousands)	September 30,		December 31,
	2011		2010
Non-covered Loans:
Residential mortgage loans:
Residential 1-4 family	$	288,009	$	355,164
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		305,265		369,986
Commercial loans:
Real estate		2,575,603		1,781,744
Business		1,734,769		1,341,352
Total commercial loans		4,310,372		3,123,096
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		779,925		555,749
Other		192,995		148,432
Total consumer loans		1,232,922		959,503
Total non-covered loans receivable	$	5,848,559	$	4,452,585

The following tables provide an analysis of the aging of non-covered loans as of September 30, 2011 and December 31, 2010.

	Past Due (1)
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Discount (2)			Total non- covered  loans, net of unearned income		Recorded investment > 90 days and accruing
September 30, 2011
Residential
Prime	$	239	$	1,372	$	6,311	$	7,922	$	297,343	$	—		$	305,265	$	488
Subprime		—		—		—		—		—		—			—		—
Commercial
Real Estate - Construction		3,354		100		3,060		6,514		296,714		—			303,228		112
Real Estate- Other		7,427		349		46,495		54,271		2,240,853		(22,749	)		2,272,375		340
Commercial Business		7,932		3,189		44,813		55,934		1,678,835		—			1,734,769		184
Consumer
Indirect Automobile		1,154		285		1,058		2,497		257,505		—			260,002		—
Home Equity		3,392		1,286		8,315		12,993		767,092		(160	)		779,925		25
Credit Card		167		112		494		773		43,937		—			44,710		—
Other		327		60		1,297		1,684		146,602		—			148,286		—
Total	$	23,992	$	6,753	$	111,843	$	142,588	$	5,728,880	$	(22,909	)	$	5,848,559	$	1,149

⁽¹⁾  Past due loans include loans on nonaccrual status as of the period indicated. Nonaccrual loans are presented separately in the “Nonaccrual loans” section below.

⁽²⁾  As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods. Past due information includes loans acquired from OMNI and Cameron at the gross contractual balance outstanding at September 30, 2011. Inclusion of these loans on a gross basis elevates past due balances compared to December 31, 2010 and compared to the actual carrying balance of these loans.

18

	Past Due
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Total loans, net of unearned income		Recorded investment > 90 days and accruing
December 31, 2010
Residential
Prime	$	421	$	1,002	$	6,196	$	7,620	$	362,366	$	369,986	$	280
Subprime		—		—		—		—		—		—		—
Commercial
Real Estate - Construction		—		486		9,850		10,336		254,912		265,248		13
Real Estate- Other		3,568		1,975		24,788		30,331		1,486,165		1,516,496		1,018
Commercial Business		406		—		1,993		2,399		1,338,953		1,341,352		144
Consumer
Indirect Automobile		1,002		165		1,046		2,213		253,109		255,322		—
Home Equity		2,406		1,122		5,466		8,994		546,755		555,749		—
Credit Card		146		94		378		618		42,298		42,916		—
Other		361		157		1,232		1,750		103,766		105,516		—
Total	$	8,310	$	5,001	$	50,950	$	64,261	$	4,388,324	$	4,452,585	$	1,455

Nonaccrual Loans

Interest income on loans is accrued over the term of the loans based on the principal balance outstanding. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield, using the effective interest method.

The accrual of interest on loans is discontinued at the time the loan is 90 days delinquent unless the credit is well-secured and in process of collection. Mortgage, credit card and other personal loans are typically charged down to net collateral value, less cost to sell, no later than 180 days past due. Past due status is based on the contractual terms of loans. In all cases, loans are placed on nonaccrual status or charged off at an earlier date if collection of principal or interest is considered doubtful.

A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. The impairment loss is measured on a loan by loan basis for commercial and construction loans by either the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s observable market price, or the fair value of the collateral if the loan is collateral dependent.

In general, all interest accrued but not collected for loans that are placed on nonaccrual status or charged off is reversed against interest income. Interest on nonaccrual loans is accounted for on the cash-basis method or cost-recovery method, until qualifying for a return to accrual status. Loans are returned to accrual status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

19

The following table provides an analysis of non-covered loans on nonaccrual status. Nonaccrual loans in the table include loans acquired from OMNI and Cameron at their gross contractual balance outstanding at September 30, 2011.

(dollars in thousands)	September 30, 2011		December 31, 2010
Residential
Prime	$	5,823	$	5,916
Subprime		—		—
Commercial
Real Estate - Construction		2,948		9,837
Real Estate- Other		46,156		23,770
Business		44,629		1,849
Consumer
Indirect Automobile		1,058		1,046
Home Equity		8,289		5,466
Credit Card		494		378
Other		1,297		1,237
Total	$	110,694	$	49,496

Covered Loans

Loans acquired are recorded at fair value in accordance with the fair value methodology prescribed in ASC Topic 820, exclusive of the shared-loss agreements with the FDIC. The fair value estimates associated with the loans include estimates related to the amount and timing of undiscounted expected principal, interest and other cash flows, as well as the appropriate discount rate. At the time of acquisition, the Company estimated the fair value of the total acquired loan portfolio by segregating the total portfolio into loan pools with similar characteristics, which included:

• whether the loan was performing according to contractual terms at the time of acquisition,

• the loan type based on regulatory reporting guidelines, namely whether the loan was a mortgage, consumer, or commercial loan

• the nature of collateral,

• the interest rate type, whether fixed or variable rate, and

• the loan payment type, primarily whether the loan was amortizing or interest-only.

From these pools, the Company used certain loan information, including outstanding principal balance, estimated expected losses, weighted average maturity, weighted average term to re-price (if a variable rate loan), weighted average margin, and weighted average interest rate to estimate the expected cash flow for each loan pool.

Over the life of the acquired loans, the Company continues to estimate cash flows expected to be collected on each loan pool. The Company evaluates, at least semi-annually, whether the present value of the cash flows from the loan pools, determined using the effective interest rates, has decreased and if so, recognizes a provision for loan loss in its consolidated statement of income. For any increases in cash flows expected to be collected, the Company adjusts the amount of accretable yield recognized on a prospective basis over the loan’s or pool’s remaining life. During the three and nine months ended September 30, 2011, the Company increased its allowance for loan losses to reserve for estimated additional losses in a limited number of loan pools. For the nine months ended September 30, 2011, the increase in the allowance was recorded by a charge to the provision for loan losses of $4,234,000 and an increase of $30,184,000 in the indemnification asset for the portion of the losses recoverable from the FDIC in accordance with the loss sharing agreements. The Company recorded an immaterial recapture of impairment for the three months ended September 30, 2011.

20

The carrying amount of the acquired covered loans at September 30, 2011 and December 31, 2010 consisted of loans determined to be impaired at the time of acquisition, which are accounted for in accordance with ASC Topic 310-30, and loans that were considered to be performing at the acquisition date, accounted for by analogy to ASC Topic 310-30, as detailed in the following tables.

(dollars in thousands)	September 30, 2011
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	40,980	$	182,535	$	223,515
Total residential mortgage loans		40,980		182,535		223,515
Commercial loans:
Real estate		152,438		607,609		760,047
Business		4,054		145,233		149,287
Total commercial loans		156,492		752,842		909,334
Consumer loans:
Home equity		43,776		198,433		242,209
Other		1,043		1,664		2,707
Total consumer loans		44,819		200,097		244,916
Total covered loans receivable	$	242,291	$	1,135,474	$	1,377,765

(dollars in thousands)	December 31, 2010
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	50,566	$	210,820	$	261,386
Total residential mortgage loans		50,566		210,820		261,386
Commercial loans:
Real estate		146,331		719,032		865,363
Business		6,119		168,385		174,504
Total commercial loans		152,450		887,417		1,039,867
Consumer loans:
Home equity		59,689		219,402		279,091
Other		543		1,860		2,403
Total consumer loans		60,232		221,262		281,494
Total covered loans receivable	$	263,248	$	1,319,499	$	1,582,747

ASC 310-30 loans

The Company acquired certain loans through the OMNI, Cameron, CSB, Orion, Century, Sterling, and other previous acquisitions which are subject to ASC Topic 310-30. The Company’s allowance for loan losses for all acquired loans subject to ASC Topic 310-30 would reflect only those losses incurred after acquisition. Information about the Company’s loans that follows excludes the loans acquired through the OMNI and Cameron acquisitions in the current year, as the fair value assigned to these acquired loans is preliminary and subject to refinement as information relative to the closing date fair values becomes available.

21

The carrying amount of the loans acquired during 2010 is detailed in the following table.

(dollars in thousands)	Acquired Impaired Loans			Acquired Performing Loans			Total Covered Loans
Contractually required principal and interest at acquisition	$	49,823		$	205,154		$	254,977
Nonaccretable difference (expected losses and foregone interest)		(30,890	)		(61,836	)		(92,726	)
Cash flows expected to be collected at acquisition		18,933			143,318			162,251
Accretable yield		(207	)		(10,843	)		(11,050	)
Basis in acquired loans at acquisition	$	18,726		$	132,475		$	151,201	(1)

(1) Excludes overdraft balances included in total loans at the acquisition date.

The following is a summary of changes in the accretable yields of acquired loans during the nine months ended September 30, 2011 and 2010.

(dollars in thousands) September 30, 2011	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired Loan Portfolio
Balance, beginning of period	$	82,381		$	626,190		$	708,571
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(18,682	)		(34,001	)		(52,683	)
Net transfers from (to) nonaccretable difference to accretable yield		56,417			(246,832	)		(190,415	)
Accretion		(30,629	)		(91,802	)		(122,431	)
Balance, end of period	$	89,487		$	253,555		$	343,042

(dollars in thousands) September 30, 2010	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired  Loan Portfolio
Balance, beginning of period	$	6,598		$	222,986		$	229,584
Acquisition		207			10,843			11,050
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(19,758	)		(35,806	)		(55,564	)
Transfers from nonaccretable difference to accretable yield		158,705			617,366			776,071
Accretion		(13,051	)		(89,335	)		(102,386	)
Balance, end of period	$	132,701		$	726,054		$	858,755

Accretable yield during the first nine months of 2011 decreased primarily as a result of the accretion recognized and a change in prepayment speed assumptions during the first nine months of 2011.

22

Troubled Debt Restructurings

During the course of its lending operations, the Company periodically grants concessions to its customers in an attempt to protect as much of its investment as possible and minimize risk of loss. These concessions may include restructuring the terms of a customer loan to alleviate the burden of the customer’s near-term cash requirements. Effective January 1, 2011, the Company adopted the provisions of ASU No.2011-02, Receivables (Topic 310): A Creditor’s Determination of Whether a Restructuring is a Troubled Debt Restructuring, which provides clarification on the determination of whether loan restructurings are considered troubled debt restructurings (“TDRs”). In accordance with the ASU, in order to be considered a TDR, the Company must conclude that the restructuring constitutes a concession and the customer is experiencing financial difficulties. The Company defines a concession to the customer as a modification of existing terms for economic or legal reasons that it would otherwise not consider. The concession is either granted through an agreement with the customer or is imposed by a court or law. Concessions include modifying original loan terms to reduce or defer cash payments required as part of the loan agreement, including but not limited to:

• a reduction of the stated interest rate for the remaining original life of the debt,

• extension of the maturity date or dates at a stated interest rate lower than the current market rate for new debt with similar risk characteristics,

• reduction of the face amount or maturity amount of the debt as stated in the agreement, or

• reduction of accrued interest receivable on the debt.

In its determination of whether the customer is experiencing financial difficulties, the Company considers numerous indicators, including, but not limited to:

• whether the customer is currently in default on its existing loan, or is in an economic position where it is probable the customer will be in default on its loan in the foreseeable future without a modification,

• whether the customer has declared or is in the process of declaring bankruptcy,

• whether there is substantial doubt about the customer’s ability to continue as a going concern,

• whether, based on its projections of the customer’s current capabilities, the Company believes the customer’s future cash flows will be insufficient to service the debt, including interest, in accordance with the contractual terms of the existing agreement for the foreseeable future, and

• whether, without modification, the customer cannot obtain sufficient funds from other sources at an effective interest rate equal to the current market rate for similar debt for a nontroubled debtor.

If the Company concludes that both a concession has been granted and the concession was granted to a customer experiencing financial difficulties, the Company identifies the loan as a TDR in its loan system. For purposes of the determination of an allowance for loan losses on these TDRs, as an identified TDR, the Company considers a loss probable on the loan, and as a result is reviewed for specific impairment in accordance with the Company’s allowance for loan loss methodology. If it is determined that losses are probable on such TDRs, either because of delinquency or other credit quality indicator, the Company establishes specific reserves for these loans. For additional information on the Company’s allowance for loan losses, see Note 7 to these unaudited consolidated financial statements and Note 1 to the audited financial statements previously filed with the SEC in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Information about the Company’s TDRs at September 30, 2011 and 2010 is presented in the following tables. In 2010, the Company adopted the provisions of ASU No. 2010-18, Receivables (Topic 310): Effect of a Loan Modification When the Loan Is Part of a Pool That Is Accounted for as a Single Asset—a consensus of the FASB Emerging Issues Task Force, which provides guidance on the accounting for TDRs. Under the ASU, modifications of loans that are accounted for within a pool under Subtopic 310-30, which include the covered loans above, as well as the loans acquired in the OMNI and Cameron acquisitions completed during 2011, do not result in the removal of those loans from the pool, even if the modification of those loans would otherwise be considered a TDR. This guidance is effective for modifications of loans accounted for within pools occurring after July 15, 2010. As a result, all covered loans and loans acquired from OMNI and Cameron that would otherwise meet the criteria for classification as a troubled debt restructuring are excluded from the tables below.

23

(dollars in thousands)	Total TDRs
	Accruing Loans
	Current		Past Due Greater than 30 Days		Nonaccrual TDRs		Total TDRs
September 30, 2011
Residential
Prime	$	—	$	—	$	—	$	—
Commercial
Real Estate		1,377		—		24,447		25,824
Business		38		—		3,010		3,048
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		233		233
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	1,415	$	—	$	27,690	$	29,105
September 30, 2010
Residential
Prime	$	28	$	—	$	17	$	45
Commercial
Real Estate		15,046		—		2,480		17,526
Business		—		—		60		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	15,074	$	—	$	2,557	$	17,631

24

Of the $29,105,000 in total TDRs, $13,242,000 occurred during the current nine-month period through modification of the original loan terms. Total non-covered TDRs of $17,631,000 at September 30, 2010 included $17,586,000 of TDRs that occurred during the nine-month period ended September 30, 2010. Information about the Company’s non-covered TDRs occurring in these nine-month periods, as well as non-covered TDRs that subsequently defaulted during the previous twelve months, is presented in the following tables. The Company has defined a default as any loan with a loan payment that is currently past due greater than 30 days, or was past due greater than 30 days at any point during the previous twelve months.

	September 30, 2011						September 30, 2010
(in thousands, except number of loans)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment		Number of Loans		Pre- modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment
TDRs occurring during the nine-month period then ended
Residential
Prime		—	$	—	$	—		—	$	—	$	—
Commercial
Real Estate		9		10,594		9,970		35		20,006		17,526
Business		7		3,041		3,039		3		82		60
Consumer
Indirect Automobile		—		—		—		—		—		—
Home Equity		1		237		233		—		—		—
Credit Card		—		—		—		—		—		—
Other		—		—		—		1		6		—
Total		17	$	13,872	$	13,242		39	$	20,094	$	17,586

	September 30, 2011				September 30, 2010
	Number of Loans		Recorded Investment		Number of Loans		Recorded Investment
Total TDRs that subsequently defaulted in the past 12 months
Residential
Prime		—	$	—		—	$	—
Commercial
Real Estate		31		24,325		35		17,526
Business		7		2,933		3		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		2		1
Total		38	$	27,258		40	$	17,587

25

FDIC loss share receivable

The following is a summary of the year to date activity in the FDIC loss share receivable for the periods indicated.

(dollars in thousands)	September 30,
	2011			2010
Balance, beginning of period	$	726,871		$	1,034,734
Acquisition		—			66,826
Increase due to loan loss provision recorded on FDIC covered loans		30,184			61,494
(Amortization) Accretion		(42,831	)		(4,405	)
Submission of reimbursable losses to the FDIC		(114,087	)		(252,648	)
Change due to a decrease in cash flow assumptions		5,242			—
Other		(3,517	)		13
Balance, end of period	$	601,862		$	906,014

Note 7 – Allowance for Loan Losses and Credit Quality

Allowance for Loan Losses

The allowance for loan losses is established as losses are estimated to have occurred through a provision charged to earnings, and for loans covered by loss share agreements with the FDIC, through a charge to earnings and an indemnification asset, the FDIC loss share receivable. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. Allowances for impaired loans are generally determined based on collateral values or the present value of estimated cash flows. Changes in the allowance related to impaired loans are charged or credited to the provision for loan losses.

The allowance for loan losses is maintained at a level which, in management’s opinion, is adequate to absorb credit losses inherent in the portfolio. The Company utilizes both peer group analysis, as well as a historical analysis of the Company’s portfolio to validate the overall adequacy of the allowance for loan losses. In addition to these objective criteria, the Company subjectively assesses the adequacy of the allowance for loan losses with consideration given to current economic conditions, changes to loan policies, the volume and type of lending, composition of the portfolio, the level of classified and criticized credits, seasoning of the loan portfolio, payment status and other factors.

In connection with acquisitions, the Company acquires certain loans considered impaired and accounts for these loans under the provisions of ASC Topic 310, which require the initial recognition of these loans at the present value of amounts expected to be received. The allowance for loan losses previously associated with these loans does not carry over. Any deterioration in the credit quality of these loans subsequent to acquisition would be considered in the allowance for loan losses. For any increases in cash flows expected to be collected, the Company adjusts the amount of accretable yield recognized on a prospective basis over the loan’s or pool’s remaining life.

A summary of changes in the allowance for loan losses, in total and for the covered loan and non-covered loan portfolios, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)	2011			2010
Balance, beginning of period	$	136,100		$	55,768
Provision charged to operations		21,589			31,227
Provision recorded through FDIC loss share receivable		30,184			61,494
Decrease in balance for transfer of covered loans to OREO		(9,719	)		—
Loans charged-off		(9,916	)		(23,335	)
Recoveries		7,082			6,799
Balance, end of period	$	175,320		$	131,954

26

(dollars in thousands)	September 30, 2011
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	73,640		$	62,460		$	136,100
Provision for loan losses before benefit attributable to FDIC loss share agreements		34,418			17,355			51,773
Benefit attributable to FDIC loss share agreements		(30,184	)		—			(30,184	)
Net provision for loan losses		4,234			17,355			21,589
Increase in FDIC loss share Receivable or discount		30,184			—			30,184
Transfer of balance to OREO		(9,719	)		—			(9,719	)
Loans charged-off		(399	)		(9,517	)		(9,916	)
Recoveries		516			6,566			7,082
Balance, end of period	$	98,456		$	76,864		$	175,320
(dollars in thousands)	September 30, 2010
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	145		$	55,623		$	55,768
Provision for loan losses before benefit attributable to FDIC loss share agreements		70,722			21,999			92,721
Benefit attributable to FDIC loss share agreements		(61,494	)		—			(61,494	)
Net provision for loan losses		9,228			21,999			31,227
Increase in FDIC loss share receivable		61,494			—			61,494
Loans charged-off		(1,018	)		(22,317	)		(23,335	)
Recoveries		728			6,071			6,799
Balance, end of period	$	70,578		$	61,376		$	131,954

27

A summary of changes in the allowance for loan losses for non-covered loans, by loan portfolio type, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	31,390		$	16,473		$	13,332		$	1,265		$	—	$	62,460
(Reversal of) Provision for loan losses		6,279			6,924			4,681			(529	)		—		17,355
Loans charged off		(3,780	)		(385	)		(5,149	)		(203	)		—		(9,517	)
Recoveries		4,728			153			1,628			57			—		6,566
Balance, end of period		38,617			23,165			14,492			590			—		76,864
Allowance on loans individually evaluated for impairment	$	2,975		$	500		$	—		$	52		$	—	$	3,527
Allowance on loans collectively evaluated for impairment		35,642			22,665			14,492			538			—		73,337
Loans, net of unearned income
Balance, end of period	$	2,575,603		$	1,734,769		$	1,232,922		$	305,265		$	—	$	5,848,559
Balance, end of period: Loans individually evaluated for impairment		38,146			10,327			234			710			—		49,417
Balance, end of period: Loans collectively evaluated for impairment		2,537,457			1,724,442			1,232,688			304,555			—		5,799,142
Balance, end of period: Loans acquired with deteriorated credit quality		31,852			949			7,191			—			—		39,992

28

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	30,771		$	12,845		$	10,664		$	1,343		$	—	$	55,623
Provision for loan losses		10,902			4,028			6,423			646			—		21,999
Loans charged off		(14,411	)		(721	)		(6,472	)		(713	)		—		(22,317	)
Recoveries		4,440			81			1,480			70			—		6,071
Balance, end of period		31,702			16,233			12,095			1,346			—		61,376
Allowance on loans individually evaluated for impairment	$	524		$	907		$	—		$	—		$	—	$	1,431
Allowance on loans collectively evaluated for impairment		31,178			15,326			12,095			1,346			—		59,945
Loans, net of unearned income
Balance, end of period	$	1,712,216		$	1,234,636		$	925,841		$	406,694		$	—	$	4,279,387
Balance, end of period: Loans individually evaluated for impairment		23,743			4,819			—			—			—		28,562
Balance, end of period: Loans collectively evaluated for impairment		1,688,473			1,229,817			925,841			406,694			—		4,250,825
Balance, end of period: Loans acquired with deteriorated credit quality		663			—			—			—			—		663

29

A summary of changes in the allowance for loan losses for covered loans, by loan portfolio type, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	26,439		$	6,657		$	12,201		$	28,343		$	—	$	73,640
(Reversal of) Provision for loan losses		4,505			616			630			(1,517	)		—		4,234
(Decrease) Increase in FDIC loss share receivable		37,224			(1,891	)		4,139			(9,288	)		—		30,184
Transfer of balance to OREO		(6,496	)		(58	)		(1,699	)		(1,466	)				(9,719	)
Loans charged off		(334	)		—			(45	)		(20	)		—		(399	)
Recoveries		274			—			140			102			—		516
Balance, end of period		61,612			5,324			15,366			16,154			—		98,456
Allowance on loans individually evaluated for impairment	$	—		$	—		$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		61,612			5,324			15,366			16,154			—		98,456
Loans, net of unearned income
Balance, end of period	$	760,047		$	149,287		$	244,916		$	223,515		$	—	$	1,377,765
Balance, end of period: Loans individually evaluated for impairment		—			—			—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		760,047			149,287			244,916			223,515			—		1,377,765
Balance, end of period: Loans acquired with deteriorated credit quality		152,438			4,054			44,819			40,980			—		242,291

30

(dollars in thousands)
	Commercial Real  Estate			Commercial Business		Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	—		$	—	$	—		$	145		$	—	$	145
Provision for loan losses		3,326			1,182		2,072			2,648			—		9,228
Increase in FDIC loss share receivable		24,068			6,090		12,666			18,670			—		61,494
Loans charged off		(770	)		—		(36	)		(212	)		—		(1,018	)
Recoveries		17			697		8			6			—		728
Balance, end of period		26,641			7,969		14,710			21,257			—		70,578
Allowance on loans individually evaluated for impairment	$	—		$	—	$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		26,641			7,969		14,710			21,257			—		70,577
Loans, net of unearned income
Balance, end of period	$	771,204		$	180,452	$	304,808		$	255,527		$	—	$	1,511,991
Balance, end of period: Loans individually evaluated for impairment		—			—		—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		771,204			180,452		304,808			255,527			—		1,511,991
Balance, end of period: Loans acquired with deteriorated credit quality		17,526			6,815		56,341			45,079			—		125,761

31

Credit Quality

The Company utilizes an asset risk classification system in accordance with guidelines established by the Federal Reserve Board as part of its efforts to monitor commercial asset quality. “Special mention” loans are defined as loans where known information about possible credit problems of the borrower cause management to have some doubt as to the ability of these borrowers to comply with the present loan repayment terms and which may result in future disclosure of these loans as nonperforming. For assets with identified credit issues, the Company has two primary classifications for problem assets: “substandard” and “doubtful.” Substandard assets have one or more defined weaknesses and are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Doubtful assets have the weaknesses of substandard assets with the additional characteristic that the weaknesses make collection or liquidation in full questionable and there is a high probability of loss based on currently existing facts, conditions and values. Loans classified as “Pass” do not meet the criteria set forth for special mention, substandard, or doubtful classification and are not considered criticized. Asset risk classifications are periodically reviewed and changed if, in the opinion of management, the risk profile of the customer has changed since the last review of the loan relationship. Asset risk classifications for commercial loans reflect the classification as of September 30, 2011.

The Company’s investment in non-covered loans by credit quality indicator as of September 30, 2011 and December 31, 2010 is presented in the following table.

(dollars in thousands)	Commercial Real Estate Construction				Commercial Real Estate- Other					Commercial Business
Credit quality indicator by asset risk classification	September 30, 2011		December 31, 2010		September 30, 2011			December 31, 2010		September 30, 2011		December 31, 2010
Pass	$	253,498	$	236,830	$	2,067,674		$	1,422,506	$	1,663,092	$	1,322,977
Special Mention		34,350		17,918		101,874			25,524		39,958		7,455
Substandard		15,210		10,204		121,741			68,005		31,504		8,105
Doubtful		170		296		3,835			461		215		2,815
Total		303,228		265,248		2,295,124			1,516,496		1,734,769		1,341,352
Discount		—		—		(22,749	)		—		—		—
Non-covered commercial loans, net	$	303,228	$	265,248	$	2,272,375		$	1,516,496	$	1,734,769	$	1,341,352

	Mortgage – Prime					Mortgage- Subprime
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	297,343		$	362,366	$	—	$	—
Past due greater than 30 days		7,922			7,620		—		—
Total		305,265			369,986		—		—
Discount		—			—		—		—
Non-covered mortgage loans, net	$	305,265		$	369,986	$	—	$	—
	Indirect Automobile					Credit Card
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	257,505		$	253,109	$	43,937	$	42,298
Past due greater than 30 days		2,497			2,213		773		618
Total	$	260,002		$	255,322	$	44,710	$	42,916
	Home Equity					Consumer - Other
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	767,092		$	546,755	$	146,602	$	103,766
Past due greater than 30 days		12,993			8,994		1,684		1,750
Total		780,085			555,749		148,286		105,516
Discount		(160	)		—		—		—
Non-covered consumer loans, net	$	779,925		$	555,749	$	148,286	$	105,516

32

As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods as information subject to the closing date fair values becomes available. Credit quality information in the table above includes loans acquired from OMNI and Cameron at gross contractual balance outstanding at September 30, 2011. Inclusion of these loans elevates classified assets compared to December 31, 2010 and compared to the actual carrying balance of these loans.

The Company’s investment in covered loans by credit quality indicator as of September 30, 2011 and December 31, 2010 is presented in the following table. Loan discounts in the table below represent the adjustment of acquired loans to fair value at the time of acquisition in accordance with ASC Topic 805, as adjusted for income accretion and changes in cash flow estimates in subsequent periods.

(dollars in thousands)	Commercial
September 30, 2011	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	63,572	$	320,582	$	82,480	$	466,634
Special Mention		18,676		77,200		4,622		100,498
Substandard		211,798		381,307		50,736		643,841
Doubtful		460		18,935		4,089		23,484
Total	$	294,506	$	798,024	$	141,927	$	1,234,457
Discount								(325,123	)
Covered commercial loans, net							$	909,334

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	248,589	$	—	$	248,589
Past due greater than 30 days		94,770		—		94,770
Total	$	343,359	$	—	$	343,359
Discount						(119,844	)
Covered mortgage loans, net					$	223,515

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	896	$	198,033	$	3,731	$	202,660
Past due greater than 30 days		—		94		116,446		10		116,550
Total	$	—	$	990	$	314,479	$	3,741	$	319,210
Discount										(74,294	)
Covered consumer loans, net									$	244,916

33

(dollars in thousands)	Commercial
December 31, 2010	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	144,423	$	385,910	$	126,176	$	656,509
Special Mention		27,783		104,228		7,475		139,486
Substandard		245,872		402,397		39,462		687,731
Doubtful		5,245		17,951		1,390		24,586
Total	$	423,323	$	910,486	$	174,503	$	1,508,312
Discount								(468,445	)
Covered commercial loans, net							$	1,039,867

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	294,399	$	—	$	294,399
Past Due greater than 30 days		107,744		—		107,744
Total	$	402,143	$	—	$	402,143
Discount						(140,757	)
Covered mortgage loans, net					$	261,386

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	1,079	$	230,924	$	5,439	$	237,442
Past Due greater than 30 days		—		76		142,748		837		143,661
Total	$	—	$	1,155	$	373,672	$	6,276	$	381,103
Discount										(99,609	)
Covered consumer loans, net									$	281,494

34

Impaired Loans

Information on the Company’s investment in impaired loans is presented in the following tables for the periods indicated.

(dollars in thousands)	At September 30, 2011							At December 31, 2010
	Recorded Investment		Unpaid Principal Balance		Related Allowance			Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	5,823	$	5,823	$	—		$	5,916	$	5,916	$	—
Residential – Subprime		—		—		—			—		—		—
Commercial Loans
Real Estate		72,120		72,120		—			21,539		21,539		—
Business		9,306		9,306		—			6,761		6,761		—
Consumer Loans
Indirect automobile		1,058		1,058		—			1,046		1,046		—
Credit card		494		494		—			378		378		—
Home equity		8,289		8,289		—			986		986		—
Other		1,297		1,297		—			5,713		5,713		—
With an allowance recorded
Mortgage Loans		658		710		(52	)		—		—		—
Commercial Loans
Commercial Real Estate		13,008		15,983		(2,975	)		6,532		6,738		(206	)
Business		1,193		1,693		(500	)		—		—		—
Total
Mortgage Loans		6,481		6,533		(52	)		5,916		5,916		—
Commercial Loans		95,627		99,102		(3,475	)		34,832		35,038		(206	)
Consumer Loans		11,138		11,138		—			8,122		8,122		—

35

(dollars in thousands)	For the Three Months Ended September 30, 2011				For the Three Months Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,011	$	7	$	4,953	$	7
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		78,036		306		29,708		90
Business		10,387		82		2,507		—
Consumer Loans
Indirect automobile		1,296		6		1,130		5
Credit card		494		—		367		—
Home equity		9,206		15		1,406		5
Other		1,925		2		4,803		1
With an allowance recorded
Mortgage		710		6		—		—
Commercial Real Estate		16,090		12		5,434		—
Business		2,869		12		4,629		—
Total
Mortgage Loans		6,721		13		4,953		7
Commercial Loans		107,382		412		42,278		90
Consumer Loans		12,921		23		7,706		11

⁽¹⁾  Interest income recognized on impaired loans represents income recognized before loans were placed on nonaccrual status.

(dollars in thousands)	For the Nine Months  Ended September 30, 2011				For the Nine Months  Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,106	$	44	$	5,225	$	74
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		58,403		1,222		30,790		324
Business		11,127		259		2,856		8
Consumer Loans
Indirect automobile		1,330		30		1,249		37
Credit card		441		—		278		—
Home equity		7,275		99		1,407		101
Other		1,612		19		5,137		20
With an allowance recorded
Mortgage		710		25		—		—
Commercial Real Estate		16,303		187		5,607		74
Business		2,951		72		4,905		39
Total
Mortgage Loans		6,816		69		5,225		74
Commercial Loans		88,784		1,740		44,158		445
Consumer Loans		10,658		148		8,071		158

36

As of September 30, 2011, the Company was not committed to lend additional funds to any customer whose loan was classified as impaired or as a troubled debt restructuring.

Note 8 – Goodwill and Other Intangible Assets

Goodwill

Changes to the carrying amount of goodwill for the year ended December 31, 2010 and the nine months ended September 30, 2011 are provided in the following table.

(dollars in thousands)	Amount
Balance, December 31, 2009	$	227,080
Goodwill acquired during the year		7,148
Goodwill impairment		—
Balance, December 31, 2010	$	234,228
Goodwill acquired during the year		115,919
Goodwill impairment		—
Balance, September 30, 2011	$	350,147

The goodwill acquired during the year ended December 31, 2010 was a result of the Sterling acquisition on July 23, 2010. The goodwill acquired during the nine months ended September 30, 2011 was a result of the OMNI, Cameron, and Florida Trust Company acquisitions. Footnote 4 to these unaudited consolidated financial statements provides additional information on the three acquisitions during 2011.

The Company performed the required annual impairment tests of goodwill as of October 1, 2010. The Company’s annual impairment test did not indicate impairment at any of the Company’s reporting units as of the testing date, and subsequent to that date, management is not aware of any events or changes in circumstances since the impairment test that would indicate that goodwill might be impaired.

Title plant

The Company had title plant assets totaling $6,722,000 at September 30, 2011 and December 31, 2010, respectively. No events or changes in circumstances occurred during the first nine months of 2011 to suggest the carrying value of the title plant was not recoverable.

Intangible assets subject to amortization

The Company’s purchase accounting intangible assets which are subject to amortization include core deposit intangibles, amortized on a straight line or accelerated basis over a 10 year average life, and mortgage servicing rights, amortized over the remaining servicing life of the loans, with consideration given to prepayment assumptions. The definite-lived intangible assets had the following carrying values.

	September 30, 2011						December 31, 2010
(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposit intangibles	$	45,406	$	20,068	$	25,338	$	39,399	$	16,424	$	22,975
Customer relationship intangible asset		1,348		92		1,256		—		—		—
Mortgage servicing rights		342		193		149		345		161		184
Total	$	47,096	$	20,353	$	26,743	$	39,744	$	16,585	$	23,159

During 2011, the Company recorded $1,348,000 in intangible assets related to the assets acquired in the Florida Trust Company acquisition. The customer relationship intangible asset represents the portion of the purchase price assigned to the fair value of expected future cash flows of the current Florida Trust Company clients. The intangible asset will be amortized on an accelerated basis over 9.5 years.

During 2011, the Company recorded $6,007,000 in core deposit intangible assets related to the deposits acquired in the Omni and Cameron acquisitions.

37

Note 9 – Other Real Estate Owned

Other real estate owned and foreclosed property totaled $123,307,000 and $69,217,000 at September 30, 2011 and December 31, 2010, respectively. Other real estate owned consists of the following:

(dollars in thousands)	September 30, 2011		December 31, 2010
Real estate owned acquired by foreclosure	$	116,217	$	64,408
Other foreclosed property		32		163
Real estate acquired for development or resale		7,058		4,646
Total other real estate owned and foreclosed property	$	123,307	$	69,217

At September 30, 2011 and December 31, 2010, other real estate is segregated into covered and non-covered properties as follows:

(dollars in thousands)
September 30, 2011	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	37,675	$	78,542	$	116,217
Other foreclosed property		32		—		32
Real estate acquired for development or resale		7,058		—		7,058
Total other real estate owned and foreclosed property	$	44,765	$	78,542	$	123,307
(dollars in thousands)
December 31, 2010	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	13,840	$	50,568	$	64,408
Other foreclosed property		9		154		163
Real estate acquired for development or resale		4,646		—		4,646
Total other real estate owned and foreclosed property	$	18,495	$	50,722	$	69,217

Note 10 – On-Balance Sheet Derivative Instruments and Hedging Activities

In the course of its business operations, the Company is exposed to certain risks, including interest rate, liquidity, and credit risk. The Company manages its risks through the use of derivative financial instruments, primarily through management of exposure due to the receipt or payment of future cash amounts based on interest rates. The Company’s derivative financial instruments manage the differences in the timing, amount, and duration of expected cash receipts and payments.

The Company accounts for its derivative financial instruments in accordance with ASC Topic 815, which requires that all derivatives be recognized as assets or liabilities in the balance sheet at fair value.

The primary types of derivatives used by the Company include interest rate swap agreements, interest rate lock commitments, and written and purchased options.

Interest rate swap agreements

As part of its activities to manage interest rate risk due to interest rate movements, the Company has engaged in interest rate swap transactions to manage exposure to interest rate risk through modification of the Company’s net interest sensitivity to levels deemed to be appropriate. The Company utilizes these interest rate swap agreements to convert a portion of its variable-rate debt to a fixed rate (cash flow hedge). The notional amount on which the interest payments are based is not exchanged. The Company had notional amounts of $70,000,000 in derivative contracts on its debt at both September 30, 2011 and 2010.

In addition to using derivative instruments as an interest rate risk management tool, the Company also enters into derivative instruments to help its commercial customers manage their exposure to interest rate fluctuations. To mitigate the interest rate risk associated with these customer contracts, the Company enters into offsetting derivative contract positions. The Company manages its credit risk, or potential risk of default by its commercial customers, through credit limit approval and monitoring procedures. At September 30, 2011, the Company had notional amounts of $289,385,000 on interest rate contracts with corporate customers and $289,385,000 in offsetting interest rate contracts with other financial institutions to mitigate the Company’s rate exposure on its corporate customers’ contracts. At September 30, 2010, the Company had notional amounts of $227,014,000 and $226,833,000, respectively, on interest rate contracts with corporate customers and offsetting contracts with other financial institutions. At December 31, 2010, the Company had notional amounts of $247,292,000 in both interest rate contracts with corporate customers and offsetting interest rate contracts with other financial institutions.

38

Because the swap agreements used to manage interest rate risk have been designated as hedging exposure to variable cash flows of a forecasted transaction, the effective portion of the derivative’s gain or loss is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or when the hedge is terminated. The ineffective portion of the gain or loss is reported in earnings immediately.

In applying hedge accounting for derivatives, the Company establishes a method for assessing the effectiveness of the hedging derivative and a measurement approach for determining the ineffective aspect of the hedge upon the inception of the hedge. These methods are consistent with the Company’s approach to managing risk.

For interest rate swap agreements that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

Rate lock commitments

The Company enters into commitments to originate loans whereby the interest rate on the prospective loan is determined prior to funding (“rate lock commitments”). Rate lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments are recorded at fair value as derivative assets or liabilities, with changes in fair value recorded in net gain or loss on sale of mortgage loans. The fair value of rate lock commitments was immaterial during the first nine months of 2011 and 2010.

Equity-indexed certificates of deposit

Beginning in the second quarter of 2010, IBERIABANK offers its customers a certificate of deposit that provides the purchaser a guaranteed return of principal at maturity plus potential return, which allows IBERIABANK to identify a known cost of funds. The rate of return is based on the performance of ten large cap U.S. stocks in the S&P 500 stock index, representing a variety of industry segments. Because it is based on an equity index, the rate of return represents an embedded derivative that is not clearly and closely related to the host instrument. ASC Topic 815 therefore requires the certificate of deposit be separated into two components: a zero coupon certificate of deposit (the host instrument) and a written option purchased by the depositor (an embedded derivative). The discount on the zero coupon deposit is amortized over the life of the deposit, and the written option is carried at fair value on the Company’s consolidated balance sheet, with changes in fair value recorded through earnings. IBERIABANK offsets the risks of the written option by purchasing an option with terms that mirror the written option and that is also carried at fair value on the Company’s consolidated balance sheet. At September 30, 2011, the Company had equity-indexed certificates of deposit of $149,038,000 with offsetting written options having a notional amount of $149,038,000. At September 30, 2010, the Company had equity-indexed certificates of deposit of $46,584,000 with offsetting written options having a notional amount of $46,584,000.

At September 30, 2011 and 2010, the information pertaining to outstanding derivative instruments, excluding interest rate lock commitments, is as follows.

		Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
(dollars in thousands)		2011		2010			2011		2010
Derivatives designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	193	$	6,151	Other liabilities	$	2,240	$	—
Total derivatives designated as hedging instruments under ASC Topic 815		$	193	$	6,151		$	2,240	$	—
Derivatives not designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	26,057	$	23,542	Other liabilities	$	26,057	$	23,542
Written and purchased options			3,968		2,797			3,968		2,797
Total derivatives not designated as hedging instruments under ASC Topic 815		$	30,025	$	26,339		$	30,025	$	26,339

At September 30, 2011, the Company was required to post $1,210,000 in collateral for its derivative transactions. The Company does not anticipate additional assets will be required to be posted as collateral, nor does it believe additional assets would be required to settle its derivative instruments immediately if contingent features were triggered at September 30, 2011. As permitted by generally-accepted accounting principles, the Company does not offset fair value amounts recognized for the right to reclaim cash collateral or the obligation to return cash collateral against recognized fair value amounts of derivatives executed with the same counterparty under a master netting agreement.

39

At September 30, 2011 and 2010, the information pertaining to the effect of the derivative instruments on the consolidated financial statements is as follows.

(dollars in thousands)	Amount of Gain (Loss)  Recognized in OCI, net of taxes (Effective Portion)					Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss)  Reclassified from Accumulated OCI into Income (Effective Portion)						Location of Gain (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain (Loss)  Recognized in Income  on Derivative (Ineffective  Portion and Amount Excluded  from Effectiveness Testing)
Derivatives in ASC Topic 815 Cash Flow Hedging Relationships	2011			2010			2011			2010				2011		2010
Interest rate contracts	$	(1,330	)	$	3,998	Interest income (expense)	$	(1,300	)	$	(1,209	)	Other income (expense)	$	—	$	—
Total	$	(1,330	)	$	3,998		$	(1,300	)	$	(1,209	)		$	—	$	—

(dollars in thousands)	Location of Gain (Loss)  Recognized in Income on Derivatives	Amount of Gain (Loss)  Recognized in Income on Derivatives
Derivatives Not Designated as Hedging Instruments under ASC Topic 815		2011			2010
Interest rate contracts	Other income (expense)	$	(2	)	$	1
Total		$	(2	)	$	1

During the nine months ended September 30, 2011, the Company has not reclassified into earnings any gain or loss as a result of the discontinuance of cash flow hedges because it was probable the original forecasted transaction would not occur by the end of the originally specified term.

At September 30, 2011, the fair value of derivatives that will mature within the next twelve months is $184,000. The Company does not expect to reclassify any amount from accumulated other comprehensive income into interest income over the next twelve months for derivatives that will be settled.

Changes in the fair value of interest rate swaps designated as hedging the variability of cash flows associated with long-term debt are reported in other comprehensive income. These amounts subsequently are reclassified into interest income and interest expense as a yield adjustment in the same period in which the related interest on the long-term debt affects earnings. As a result of these interest rate swaps, interest expense was decreased by $1,300,000 and $1,209,000 for the nine months ended September, 2011 and 2010, respectively.

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The following is a summary of the balance and changes in the accumulated derivative gain or loss included as a component of other comprehensive income as of and for the nine-month periods ended September 30.

(dollars in thousands)	2011			2010
Balance at beginning of year, net	$	9,370		$	12,040
Unrealized gain (loss) on cash flow hedges		16,461			(12,372	)
Tax effect		5,761			4,330
Net of tax change		(10,700	)		(8,042	)
Balance at end of end of period, net	$	(1,330	)	$	3,998

Note 11 – Share-based Compensation

The Company has various types of share-based compensation plans. These plans are administered by the Compensation Committee of the Board of Directors, which selects persons eligible to receive awards and determines the number of shares and/or options subject to each award, the terms, conditions and other provisions of the awards.

Stock option plans

The Company issues stock options under various plans to directors, officers and other key employees. The option exercise price cannot be less than the fair value of the underlying common stock as of the date of the option grant and the maximum option term cannot exceed ten years. The stock options granted were issued with vesting periods ranging from one-and-a half to seven years. At September 30, 2011, future option or restricted stock awards of 1,073,695 shares could be made under approved incentive compensation plans.

The stock option plans also permit the granting of Stock Appreciation Rights (“SARs”). SARs entitle the holder to receive, in the form of cash or stock, the increase in the fair value of Company stock from the date of grant to the date of exercise. No SARs have been issued under the plans.

The following table represents the compensation expense that is included in salaries and employee benefits expense and related income tax benefits in the accompanying unaudited consolidated statements of income related to stock options for the periods indicated below.

(dollars in thousands)	For the Three  Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to stock options	$	383	$	356	$	955	$	937
Income tax benefit related to stock options		134		124		334		328
Impact on basic earnings per share		0.01		0.01		0.02		0.02
Impact on diluted earnings per share		0.01		0.01		0.02		0.02

The Company reported $1,416,000 and $615,000 of excess tax benefits as financing cash inflows during the nine months ended September 30, 2011 and 2010, respectively, related to the exercise and vesting of share-based compensation grants. Net cash proceeds from the exercise of stock options were $5,978,000 and $1,406,000 for the nine months ended September 30, 2011 and 2010.

The Company uses the Black-Scholes option pricing model to estimate the fair value of share-based awards with the following weighted-average assumptions for the indicated periods:

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Expected dividends		2.2	%		2.3	%		2.2	%		2.2	%
Expected volatility		31.2	%		33.5	%		30.7	%		31.8	%
Risk-free interest rate		3.4	%		3.5	%		3.5	%		3.7	%
Expected term (in years)		5.9			5.8			5.8			6.0
Weighted-average grant-date fair value	$	16.43		$	16.79		$	16.44		$	16.50

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The assumptions above are based on multiple factors, including historical stock option exercise patterns and post-vesting employment termination behaviors, expected future exercise patterns and the expected volatility of the Company’s stock price.

At September 30, 2011, there was $4,474,000 of unrecognized compensation cost related to stock options which is expected to be recognized over a weighted-average period of 3.3 years.

The following table represents the activity related to stock options during the nine months ended September 30, 2011 and 2010.

	Number of shares			Weighted average exercise price		Weighted average remaining  contract life
Outstanding options, December 31, 2010		1,301,539		$	45.52
Granted		94,196			63.09
Exercised		(209,147	)		33.14
Forfeited or expired		(28,931	)		58.34
Outstanding options, September 30, 2011		1,157,657		$	48.87		4.4 Years
Outstanding exercisable at September 30, 2011		834,865		$	45.91		3.1 Years
Outstanding options, December 31, 2009		1,259,874		$	43.05
Granted		120,866			59.67
Exercised		(62,610	)		22.46
Forfeited or expired		(6,715	)		55.67
Outstanding options, September 30, 2010		1,311,415		$	45.50		4.8 Years
Outstanding exercisable at September 30, 2010		931,002		$	40.89		3.4 Years

At September 30, 2011, the aggregate intrinsic value of shares underlying outstanding stock options and underlying exercisable stock options was $4,439,000 and $4,414,000. Total intrinsic value of options exercised was $5,291,000 for the nine months ended September 30, 2011.

Restricted stock plans

The Company issues restricted stock under various plans for certain officers and directors. A supplemental stock benefit plan adopted in 1999 and the 2001, 2005, 2008, and 2010 Incentive Plans allow grants of restricted stock. The plans allow for the issuance of restricted stock awards that may not be sold or otherwise transferred until certain restrictions have lapsed. The holders of the restricted stock receive dividends and have the right to vote the shares. The fair value of the restricted stock shares awarded under these plans is recorded as unearned share-based compensation, a contra-equity account. The unearned compensation related to these awards is amortized to compensation expense over the vesting period (generally three to seven years). The total share-based compensation expense for these awards is determined based on the market price of the Company’s common stock at the date of grant applied to the total number of shares granted and is amortized over the vesting period. As of September 30, 2011, unearned share-based compensation associated with these awards totaled $24,092,000.

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The following table represents the compensation expense that was included in salaries and employee benefits expense in the accompanying unaudited consolidated statements of income related to restricted stock grants for the periods indicated below.

(dollars in thousands)	For the Three Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to restricted stock	$	1,750	$	1,606	$	5,112	$	4,569

The following table represents unvested restricted stock award activity for the nine months ended September 30, 2011 and 2010, respectively:

	For the Nine Months  Ended September 30,
	2011			2010
Balance, beginning of period		539,195			550,518
Granted		131,559			120,398
Forfeited		(28,605	)		(7,376	)
Earned and issued		(115,293	)		(106,408	)
Balance, end of period		526,856			557,132

The weighted average grant date fair value of the restricted stock granted during the nine months ended September 30, 2011 and 2010 was $56.17 and $59.28, respectively.

Phantom stock awards

As part of the 2008 Incentive Compensation Plan and 2009 Phantom Stock Plan, the Company issues phantom stock awards to certain key officers and employees. The award is subject to a vesting period of five to seven years and is paid out in cash upon vesting. The amount paid per vesting period is calculated as the number of vested “share equivalents” multiplied by the closing market price of a share of the Company’s common stock on the vesting date. Share equivalents are calculated on the date of grant as the total award’s dollar value divided by the closing market price of a share of the Company’s common stock on the grant date. Award recipients are also entitled to a “dividend equivalent” on each unvested share equivalent held by the award recipient. A dividend equivalent is a dollar amount equal to the cash dividends that the participant would have been entitled to receive if the participant’s share equivalents were issued in shares of common stock. Dividend equivalents will be deemed to be reinvested as share equivalents that will vest and be paid out on the same date as the underlying share equivalents on which the dividend equivalents were paid. The number of share equivalents acquired with a dividend equivalent shall be determined by dividing the aggregate of dividend equivalents paid on the unvested share equivalents by the closing price of a share of the Company’s common stock on the dividend payment date.

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The following table represents share and dividend equivalent share award activity during the nine months ended September 30, 2011 and 2010.

	Number of share equivalents			Dividend equivalents			Total share equivalents			Value of share equivalents(1)
Balance, December 31, 2010		119,194			3,741			122,935		$	5,785,000
Granted		126,532			4,496			131,028			6,166,000
Forfeited share equivalents		(3,609	)		(102	)		(3,711	)		(175,000	)
Vested share equivalents		(5,808	)		(378	)		(6,186	)		(294,000	)
Balance, September 30, 2011		236,309			7,757			244,066		$	11,486,000
Balance, December 31, 2009		67,361			1,886			69,247		$	3,461,000
Granted		55,249			2,144			57,393			2,869,000
Forfeited share equivalents		—			—			—			—
Vested share equivalents		(1,943	)		(261	)		(2,204	)		(110,000	)
Balance, September 30, 2010		120,667			3,769			124,436		$	6,219,000

(1) Except for vested share payments, which are based on the cash paid at the time of vesting, the value of share equivalents is calculated based on the market price of the Company’s stock at the end of the respective periods. The market price of the Company’s stock was $47.06 and $49.98 on September 30, 2011 and 2010, respectively.

During the nine months ended September 30, 2011 and 2010, the Company recorded $928,000 and $176,000, respectively, in compensation expense based on the number of share equivalents vested at the end of the period and the current market price of $47.06 and $49.98 per share of common stock.

Note 12 – Commitments and Contingencies

Off-balance sheet commitments

The Company is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. Such commitments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the consolidated balance sheets. The same credit policies are used in these commitments as for on-balance sheet instruments. The Company’s exposure to credit loss in the event of nonperformance by the other parties is represented by the contractual amount of the financial instruments. At September 30, 2011, the fair value of guarantees under commercial and standby letters of credit was $500,000. This amount represents the unamortized fee associated with these guarantees and is included in the consolidated balance sheet of the Company. This fair value will decrease over time as the existing commercial and standby letters of credit approach their expiration dates.

At September 30, 2011 and December 31, 2010, the Company had the following financial instruments outstanding, whose contract amounts represent credit risk:

	Contract Amount
(dollars in thousands)	September 30, 2011		December 31, 2010
Commitments to grant loans	$	310,328	$	152,545
Unfunded commitments under lines of credit		1,599,390		1,121,895
Commercial and standby letters of credit		49,953		33,446

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to be drawn upon, the total commitment amounts generally represent future cash requirements. The Company evaluates each customer’s creditworthiness on a case-by-case basis. The amount of collateral, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the counterparty.

Unfunded commitments under commercial lines-of-credit, revolving credit lines and overdraft protection agreements are commitments for possible future extensions of credit to existing customers. Many of these types of commitments do not contain a specified maturity date and may not be drawn upon to the total extent to which the Company is committed.

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Legal proceedings

The nature of the business of the Company’s banking and other subsidiaries ordinarily results in a certain amount of claims, litigation, investigations and legal and administrative cases and proceedings, all of which are considered incidental to the normal conduct of business. Some of these claims are against entities or assets of which the Company is a successor or acquired in business acquisitions, and certain of these claims will be covered by loss sharing agreements with the FDIC. The Company believes it has meritorious defenses to the claims asserted against it in its currently outstanding legal proceedings and, with respect to such legal proceedings, intends to continue to defend itself vigorously, litigating or settling cases according to management’s judgment as to what is in the best interest of the Company and its shareholders.

The Company assesses its liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that the Company will incur a loss and the amount of the loss can be reasonably estimated, the Company records a liability in its consolidated financial statements. These legal reserves may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of loss is not estimable, the Company does not accrue legal reserves. While the outcome of legal proceedings is inherently uncertain, based on information currently available, advice of counsel and available insurance coverage, the Company’s management believes that it has established adequate legal reserves. Any liabilities arising from pending legal proceedings are not expected to have a material adverse effect on the Company’s consolidated financial position, consolidated results of operations or consolidated cash flows. However, in the event of unexpected future developments, it is possible that the ultimate resolution of these matters, if unfavorable, may be material to the Company’s consolidated financial position, consolidated results of operations or consolidated cash flows.

IBERIABANK and the Company have been named as defendants in two putative class actions relating to the imposition of overdraft fees on customer accounts. The first such case, Eivet v. IBERIABANK, is pending in the United States District Court for the Southern District of Florida and presently bears Case No. 1:10-CV-23790-JLK. The case was originally filed elsewhere, but was transferred to the U.S. District Court for the Southern District of Florida for coordinated pre-trial proceedings as part of a multi-district litigation (“MDL”) involving numerous defendant banks, In re Checking Account Overdraft Litigation, Case No. 09-MD-02036-JLK. Plaintiff challenges IBERIABANK’s practices relating to the imposition of overdraft fees and non-sufficient fund fees on consumer checking accounts. Plaintiff alleges that IBERIABANK’s methodology for posting transactions to customer accounts is designed to maximize the generation of overdraft fees and brings claims for breach of contract and of a covenant of good faith and fair dealing, unconscionability, conversion, unjust enrichment and violations of state unfair trade practices laws. Plaintiff seeks a range of remedies, including restitution, disgorgement, injunctive relief, punitive damages and attorneys’ fees.

The second of the two cases, Sachar v. IBERIABANK Corporation, Case No. 60CV2011-0770, was filed in Pulaski County, Arkansas Circuit Court on February 18, 2011. Plaintiff asserts that IBERIABANK Corporation engaged in the practice of re-sequencing customers’ accounts in high-to-low order by posting the largest transactions first and the smallest transactions last which is alleged to increase the number of overdraft fees. The complaint seeks damages for allegedly deceptive trade practices under Arkansas state law, for breach of contract, for unjust enrichment, for conversion, and for injunctive relief.

On May 12, 2011, the Company entered into a provisional settlement agreement with the legal counsel for the plaintiffs in the two putative class actions. The joint settlement amount of $2,500,000 is predicated on (1) the judge’s accepting this settlement as fair and (2) the judge’s certifying a national class. All plaintiffs have consented to the settlement amount. Subsequent to September 30, 2011, the motion of approval of the settlement was accepted before a federal judge in charge of the multi-district litigation in the Southern District of Florida. At September 30, 2011, the Company has recorded a liability for the settlement amount and related expenses of $2,550,000 in its unaudited consolidated balance sheet, with a corresponding amount recorded as noninterest expense in its consolidated statements of income for the nine-month period ended September 30, 2011. The liability was initially recorded during the second quarter of 2011 and continues to be recorded in its unaudited consolidated balance sheet at September 30, 2011.

Note 13 – Fair Value Measurements

The Company follows the provisions of ASC Topic 820 when determining fair value. ASC Topic 820 clarifies the principle that fair value should be based on the assumptions market participants would use when pricing the asset or liability and establishes a fair value hierarchy that prioritizes the inputs used to develop those assumptions and measure fair value. The hierarchy requires the Company to maximize the use of observable inputs and minimize the use of unobservable inputs. The three levels of inputs used to measure fair value are as follows:

• Level 1 - Quoted prices in active markets for identical assets or liabilities.

• Level 2 - Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

• Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

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A description of the valuation methodologies used for instruments measured at fair value follows, as well as the classification of such instruments within the valuation hierarchy.

Securities available for sale

Securities are classified within Level 1 where quoted market prices are available in an active market. Inputs include securities that have quoted prices in active markets for identical assets. If quoted market prices are unavailable, fair value is estimated using quoted prices of securities with similar characteristics, at which point the securities would be classified within Level 2 of the hierarchy. Examples may include certain collateralized mortgage and debt obligations. The Company’s portfolio includes only one Level 3 security as of September 30, 2011. An other-than-temporary impairment was recorded on this security during the year ended December 31, 2010, and thus the security was recorded at management’s estimate of the security’s fair value based on the input assumptions discussed in detail below.

Mortgage loans held for sale

As of September 30, 2011, the Company has $131,726,000 of conforming mortgage loans held for sale. Mortgage loans originated and held for sale are carried at the lower of cost or estimated fair value. The Company obtains quotes or bids on these loans directly from purchasing financial institutions. Typically these quotes include a premium on the sale and thus these quotes indicate the fair value of the held for sale loans is greater than cost. At September 30, 2011, the entire balance of $131,726,000 is recorded at cost.

Impaired loans

Loans are measured for impairment using the methods permitted by ASC Topic 310. Fair value of impaired loans is measured by either the loans obtainable market price, if available (Level 1), the fair value of the collateral if the loan is collateral dependent (Level 2), or the present value of expected future cash flows, discounted at the loans effective interest rate (Level 3). Fair value of the collateral is determined by appraisals or independent valuation.

Other real estate owned

As of September 30, 2011, the Company has $123,307,000 in OREO and foreclosed property, which includes all real estate, other than bank premises used in bank operations, owned or controlled by the Company, including real estate acquired in settlement of loans. Properties are recorded at the balance of the loan or at estimated fair value less estimated selling costs, whichever is less, at the date acquired. Fair values of OREO at September 30, 2011 are determined by sales agreement or appraisal, and costs to sell are based on estimation per the terms and conditions of the sales agreement or amounts commonly used in real estate transactions. Inputs include appraisal values on the properties or recent sales activity for similar assets in the property’s market, and thus OREO measured at fair value would be classified within Level 2 of the hierarchy. In accordance with the OREO treatment described, the Company included property write-downs of $2,486,000 and $698,000 in earnings for the three months ended September 30, 2011 and 2010 and $6,258,000 and $2,606,000 for the nine-month periods then ended.

Derivative financial instruments

The Company utilizes interest rate swap agreements to convert a portion of its variable-rate debt to a fixed rate (cash flow hedge). The Company also enters into commitments to originate loans whereby the interest rate on the prospective loan is determined prior to funding (“rate lock commitments”). Rate lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Fair value of the interest rate swap and interest rate lock commitments are estimated using prices of financial instruments with similar characteristics, and thus the commitments are classified within Level 2 of the fair value hierarchy.

The Company has segregated all financial assets and liabilities that are measured at fair value on a recurring basis into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value at the measurement date in the table below.

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Recurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Available -for-sale securities	$	1,776,827	$	—	$	1,775,746	$	1,081
Derivative instruments		30,218		—		30,218		—
Total	$	1,807,045	$	—	$	1,805,964	$	1,081
Liabilities
Derivative instruments		32,265		—		32,265		—
Total	$	32,265	$	—	$	32,265	$	—

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Between December 31, 2010 and September 30, 2011, available for sale securities with a market value of $49,107,000 at September 30, 2011 were transferred into the Level 2 fair value measurement category in the table above from the Level 1 category as disclosed at December 31, 2010. The four securities were issued by Fannie Mae or Freddie Mac and were included in the Level 1 category at December 31, 2010 because their fair value was based on a trade price for the identical mortgage-backed security. At September 30, 2011, the fair value of these securities was based on a trade price for similar assets, namely similar mortgage-backed securities.

Gains and losses (realized and unrealized) included in earnings (or changes in net assets) for the first nine months of 2011 related to assets and liabilities measured at fair value on a recurring basis are reported in noninterest income or other comprehensive income as follows:

(dollars in thousands)	Noninterest income		Other comprehensive income
Total gains (losses) included in earnings (or changes in net assets)	$	2,630	$	—
Change in unrealized gains (losses) relating to assets still held at September 30, 2011		—		8,535

The Company has segregated all financial assets and liabilities that are measured at fair value on a nonrecurring basis into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value at the measurement date in the table below.

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Nonrecurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Loans	$	14,859	$	—	$	14,859	$	—
OREO		13,159		—		13,159		—
Total	$	28,018	$	—	$	28,018	$	—

The table above excludes assets and liabilities measured on a non-recurring basis that were acquired as part of the OMNI, Cameron, and Florida Trust Company acquisitions completed in the current year that are discussed further in Note 4 to these unaudited consolidated financial statements. These assets and liabilities were recorded at their fair value upon acquisition in accordance with generally-accepted accounting principles and were not re-measured during the period subsequent to acquisition.

In accordance with the provisions of ASC Topic 310, the Company records loans considered impaired at their fair value. A loan is considered impaired if it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Fair value is measured at the fair value of the collateral for collateral-dependent loans. Impaired non-covered loans with an outstanding balance of $18,386,000 were recorded at their fair value at September 30, 2011. These loans include a reserve of $3,527,000 included in the Company’s allowance for loan losses.

The Company did not record any liabilities at fair value for which measurement of the fair value was made on a nonrecurring basis during the three months ended September 30, 2011.

ASC Topic 825 provides the Company with an option to report selected financial assets and liabilities at fair value. The fair value option established by this Statement permits the Company to choose to measure eligible items at fair value at specified election dates and report unrealized gains and losses on items for which the fair value option has been elected in earnings at each reporting date subsequent to implementation. The Company has currently chosen not to elect the fair value option for any items that are not already required to be measured at fair value in accordance with generally accepted accounting principles, and as such has not included any gains or losses in earnings for the three and nine months ended September 30, 2011.

Note 14 – Fair Value of Financial Instruments

The fair value of a financial instrument is the current amount that would be exchanged between willing parties, other than in a forced liquidation. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for the Company’s various financial instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including

47

the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument. ASC Topic 825 excludes certain financial instruments and all non-financial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented may not necessarily represent the underlying fair value of the Company.

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value:

Cash and cash equivalents

The carrying amounts of cash and short-term instruments approximate their fair value.

Investment securities

Fair value equals quoted market prices in an active market. If quoted market prices are unavailable, fair value is estimated using pricing models or quoted prices of securities with similar characteristics.

Loans

The fair value of non-covered mortgage loans receivable was estimated based on present values using entry-value rates at September 30, 2011 and December 31, 2010, weighted for varying maturity dates. Other non-covered loans receivable were valued based on present values using entry-value interest rates at September 30, 2011 and December 31, 2010 applicable to each category of loans. Fair values of mortgage loans held for sale are based on commitments on hand from investors or prevailing market prices. Covered loans are recorded in the consolidated financial statements at fair value in accordance with the fair value methodology prescribed in ASC Topic 820, exclusive of the shared-loss agreements with the FDIC. The fair value estimates associated with the loans include estimates related to expected prepayments and the amount and timing of undiscounted expected principal, interest and other cash flows.

Accrued Interest Receivable and Accrued Interest Payable: The carrying amount of accrued interest approximates fair value because of the short maturity of these financial instruments.

FDIC Loss Share Receivable: The fair value is determined to be projected cash flows from loss sharing agreements based on expected reimbursements for losses at the applicable loss sharing percentages based on the terms of the loss share agreements. Cash flows are discounted to reflect the timing and receipt of the loss sharing reimbursements from the FDIC.

Deposits

The fair value of NOW accounts, money market deposits and savings accounts was the amount payable on demand at the reporting date. Certificates of deposit were valued using a weighted average rate calculated based upon rates at September 30, 2011 and December 31, 2010 for deposits of similar remaining maturities.

Short-term borrowings

The carrying amounts of short-term borrowings maturing within ninety days approximate their fair values.

Long-term debt

The fair values of long-term debt are estimated using discounted cash flow analyses based on the Company’s current incremental borrowing rates for similar types of borrowing arrangements.

Derivative instruments

Fair values for interest rate swap agreements are based upon the amounts required to settle the contracts.

Off-balance sheet items

The Company has outstanding commitments to extend credit and standby letters of credit. These off-balance sheet financial instruments are generally exercisable at the market rate prevailing at the date the underlying transaction will be completed. At September 30, 2011 and December 31, 2010, the fair value of guarantees under commercial and standby letters of credit was immaterial.

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The estimated fair values and carrying amounts of the Company’s financial instruments are as follows:

	September 30, 2011				December 31, 2010
(dollars in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Assets
Cash and cash equivalents	$	470,388	$	470,388	$	337,778	$	337,778
Investment securities		2,057,360		2,063,108		2,019,814		2,021,788
Loans and loans held for sale		7,358,050		7,726,704		6,119,237		6,362,961
FDIC loss share receivable		601,862		335,777		726,871		392,484
Derivative instruments		30,218		30,218		37,320		37,320
Accrued interest receivable		35,583		35,583		34,250		34,250
Financial Liabilities
Deposits	$	9,190,029	$	9,184,965	$	7,915,106	$	7,764,569
Short-term borrowings		214,824		214,824		220,328		220,328
Long-term debt		461,982		425,545		432,251		441,902
Derivative instruments		32,265		32,265		22,904		22,904
Accrued interest payable		7,103		7,103		8,583		8,583

The fair value estimates presented herein are based upon pertinent information available to management as of September 30, 2011 and December 31, 2010. Although management is not aware of any factors that would significantly affect the estimated fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and, therefore, current estimates of fair value may differ significantly from the amounts presented herein.

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis is intended to assist readers in understanding the consolidated financial condition and results of operations of IBERIABANK Corporation (the “Company”) and its wholly owned subsidiaries, IBERIABANK, Lenders Title Company (“LTC”), IBERIA Capital Partners, LLC (“ICP”), IB Aircraft Holdings, LLC, IBERIA Asset Management Inc. (“IAM”), and IBERIA CDE, LLC, as of September 30, 2011 and December 31, 2010 and for the three- and nine-month periods ended September 30, 2011 and 2010. This discussion should be read in conjunction with the unaudited consolidated financial statements, accompanying footnotes and supplemental financial data included herein.

The Company offers commercial and retail banking products and services to customers in locations in six states through IBERIABANK. The Company also operates mortgage production offices in 12 states through IBERIABANK’s subsidiary, IBERIABANK Mortgage Company (“IMC”), and offers a full line of title insurance and closing services throughout Arkansas and Louisiana through LTC and its subsidiaries. ICP provides equity research, institutional sales and trading, and corporate finance services. IB Aircraft Holdings, LLC owns a fractional share of an aircraft used by management of the Company and its subsidiaries. IAM provides wealth management and trust services for commercial and private banking clients. CDE is utilized to purchase tax credits.

EXECUTIVE OVERVIEW

During 2010, the Company had solid growth in its balance sheet, both organically and through acquisitions, and continued growth in most core earnings drivers. The Company fortified its capital position, enhanced its liquidity, expanded its customer base, created a new noninterest income channel through its capital markets group, and expanded its wealth management business. In addition, the Company successfully integrated and converted its recent Florida acquisitions to IBERIABANK’s processes and systems.

During the first nine months of 2011, the Company continued to fortify its balance sheet and improve its overall capital position, as well as experiencing growth through acquisitions, the opening of new branch locations, and organic growth at many of the Company’s existing branches.

The most significant activity affecting the Company’s consolidated balance sheet at September 30, 2011 and the results of operations for the three- and nine-month periods then ended were the completion of three acquisitions during the second quarter:

• OMNI BANCSHARES, Inc. (“OMNI”), the holding company of OMNI Bank. As part of the acquisition, IBERIABANK acquired 14 branches in the New Orleans, Louisiana area, expanding the Company’s presence in the largest MSA in Louisiana.

• Cameron Bancshares, Inc. (“Cameron”), the holding company of Cameron State Bank, which added another 22 branches and 48 ATMs in the Lake Charles, Louisiana area in southwestern Louisiana.

• Assets of Florida Trust Company (“FTC”), a wholly-owned subsidiary of the Bank of Florida Corporation. Florida Trust Company operated offices in Naples and Ft. Lauderdale, Florida. The asset acquisition expanded the trust and asset management division of IBERIABANK in Florida.

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A summary of the major categories of assets acquired and liabilities assumed (all recorded at fair value at the time of acquisition), as well as the intangible assets created, in the OMNI, Cameron, and FTC acquisitions, is shown in the following table.

(dollars in thousands)	OMNI		Cameron		FTC		Total
Assets
Cash	$	54,683	$	29,191	$	—	$	83,874
Investment securities		91,019		223,685		—		314,704
Loans		466,934		411,228		—		878,162
Other real estate owned		21,916		710		—		22,626
Core deposit intangible		829		5,178		—		6,007
Goodwill		64,571		51,296		52		115,919
Other assets		45,301		40,350		1,348		86,999
Total Assets	$	745,253	$	761,638	$	1,400	$	1,508,291
Liabilities
Interest-bearing deposits	$	506,427	$	402,908		—		909,335
Noninterest-bearing deposits		129,181		164,363		—		293,544
Borrowings		58,364		49,002		—		107,366
Other liabilities		4,874		2,124		—		6,998
Total Liabilities	$	698,846	$	618,397	$	—	$	1,317,243

As part of the OMNI and Cameron acquisitions, the Company issued 3,083,229 shares of its common stock during the second quarter of 2011, resulting in additional equity of $181.1 million. Other equity consideration included the issuance of 41,979 stock options for a fair value of $0.5 million. Non-equity consideration included in the acquisitions totaled $9.4 million, which included cash paid for fractional shares and change in control agreements. Of the $9.4 million, $4.6 million was paid in cash during the second quarter, with the difference recorded as an adjustment to either net assets acquired or in the financial statements of the Company at September 30, 2011. See Note 4 to these unaudited consolidated financial statements for additional information on the acquisitions.

In addition to the balance sheet growth from the acquisitions, the Company also experienced loan growth of $312.8 million during the first nine months of 2011 from its legacy branches.

The three acquisitions in 2011 also significantly impacted the Company’s consolidated statements of income for the three- and nine-month periods ended September 30, 2011. Beyond the additional interest income and expense recorded from OMNI and Cameron, the Company incurred $5.8 million in noninterest expenses during the third quarter for acquisition-related activities, including marketing, occupancy, professional services, data processing, and conversion expenses that negatively impacted earnings for the period. For the nine-month period of 2011, the Company incurred total acquisition-related expenses of $14.0 million.

The Company’s financial position and operating results are more fully discussed below.

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Balance Sheet Position and Results of Operations

The Company’s income available to common shareholders for the third quarter of 2011 totaled $17.3 million, or $0.58 per common share on a diluted basis, a 24.1% increase compared to the $13.9 million earned during the third quarter of 2010. For the nine months ended September 30, 2011, the Company’s income available to common shareholders increased $1.3 million, or 3.8%, from the same period of 2010. Earnings per diluted share of $1.31 for the nine months of 2011 were 6.9% lower than for the nine months ended September 30, 2010.

On a per share basis, earnings for the three months ended September 30, 2011 increased 11.8% from the $0.52 per diluted share earned in the third quarter of 2010. The increase in per share earnings was primarily attributable to the expanded bank operations from the OMNI and Cameron acquisitions, but was negatively impacted by the dilutive impact of 3.1 million additional common shares issued by the Company during 2011 related to the acquisitions, as well as acquisition-related expenses of $5.8 million. The 3.1 million shares issued during 2011 increased total common shares 11.0% on a period end basis, 11.7% on a quarter-to-date average basis, and 6.5% on a year-to-date basis.

Key components of the Company’s 2011 financial condition and performance are summarized below.

• Total assets at September 30, 2011 were $11.5 billion, up $1.5 billion, or 15.0%, from $10.0 billion at December 31, 2010. The increase was primarily the result of the OMNI and Cameron acquisitions, which increased total assets $1.5 billion. Excluding these acquisitions, total assets decreased $6.2 million, which can be primarily attributable to a decrease in covered loans and an increase in the Company’s allowance for loan losses to reserve for loan growth and a change in asset quality. The Company’s balance sheet was also affected by a decrease in the Company’s FDIC loss share receivable. The decreases were offset by organic growth (defined as total growth excluding assets acquired and liabilities assumed at the time of acquisition) in the Company’s loan portfolio as a result of loan growth in many of the Company’s markets.

• Total loans at September 30, 2011 were $7.2 billion, an increase of $1.2 billion, or 19.7%, from $6.0 billion at December 31, 2010. Of the $1.2 billion in growth, 73.7% was a result of the loans acquired in the OMNI and Cameron acquisitions. The Company had organic loan growth of $312.8 million, or 5.2%, during the first nine months of 2011. Because of the loss protection provided by the FDIC, the risks of the loans and foreclosed real estate acquired in the CapitalSouth Bank, Orion Bank, Century Bank, and Sterling Bank acquisitions, which are covered by loss share agreements with the FDIC, are significantly different from those assets not covered under loss share agreements. Accordingly, the Company presents loans subject to the loss share agreements as “covered loans” in the information below and loans that are not subject to the loss share agreement as “non-covered loans.” Organic loan growth during the first nine months of 2011 was driven by an increase in non-covered loans. Excluding acquired loans, total non-covered loans increased $517.8 million, or 11.6%, during 2011. Covered loans decreased $205.0 million, or 13.0%, from December 31, 2010, as loans were paid down or charged off and submitted for reimbursement.

• Total customer deposits increased $1.3 billion, or 16.1%, from December 31, 2010. The increase was primarily the result of deposits acquired from OMNI and Cameron. By product type, the Company’s noninterest-bearing deposits increased $535.8 million, or 61.0%, while interest-bearing deposits increased $739.2 million, or 10.5%. Interest-bearing deposit growth was driven by demand deposits, as time deposits decreased from December 31, 2010 excluding deposits acquired from OMNI and Cameron. Although deposit competition remained intense through the first nine months of 2011, the Company continued to generate strong organic growth across its many deposit products. Organic deposit growth was driven by growth in the Company’s Houston and Lafayette markets.

• Shareholders’ equity increased $168.8 million, or 12.9%, to $1.5 billion at September 30, 2011. The increase was the result of $181.1 million in additional capital issued as part of the OMNI and Cameron acquisitions, net income of $37.1 million, and other comprehensive income of $8.5 million, offset partially by $29.4 million in dividends paid on the Company’s common stock during the nine months ended September 30, 2011 and the repurchase of 900,000 common shares during the third quarter that totaled $41.4 million.

• Net interest income increased $22.5 million, or 32.2%, for the three months ended September 30, 2011 compared to the same period of 2010, and $37.9 million, or 18.1%, for the nine months ended September 30, 2011 compared to the same nine months of 2010. This increase was largely attributable to an $8.9 million decrease in interest expense for the quarter and $26.5 million for the year as the Company continues to pay down its long-term debt using available funds. Net interest income was also positively affected by a $618.2 million increase in quarterly average earning assets, due primarily to the inclusion of OMNI and Cameron in the current three- and nine-month periods. The Company’s net interest margin ratio on a tax equivalent basis increased 71 basis points to 3.62% for the three months ended September 30, 2011 from 2.91% at September 30, 2010 due to changes in the volume and mix of the Company’s assets and liabilities. Net interest margin was positively affected by a 46 basis point decrease in the cost of interest-bearing liabilities and a 29 basis point increase in the yield on interest-earning assets.

• Noninterest income increased 0.9% during the third quarter of 2011 when compared to the same period of 2010. The increase was primarily driven by a $1.4 million increase in service charges and an increase of $0.6 million in ATM/debit card income. Both of the increases are attributable to additional customer activity and additional customer accounts. Offsetting the increases was a decrease of

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$3.0 million in gains on the sales of investment securities. For the nine-month period ended September 30, 2011, noninterest income increased $0.6 million, or 0.6%, from the same period of 2010. The increase was a result of a $2.6 million increase in broker commissions and a $1.6 million increase in debit card fee income, offset partially by a $3.8 million decrease in gains on the Company’s acquisitions. The Company recorded no gains on the three acquisitions completed in 2011.

• Acquisition-related expenses drove the increases in noninterest expenses for the three- and nine-month periods of 2011 over the same periods in the prior year. Noninterest expense increased $19.2 million, or 23.9%, for the third quarter of 2011 when compared to the same period of 2010 and $50.9 million, or 22.8%, for the nine-month period. Total acquisition-related expenses for the third quarter were $4.3 million higher than the same period of 2010. The increase was also attributed to higher salary and employee benefit costs of $9.8 million and $23.0 million for the three- and nine-month periods, as well as increased occupancy, equipment, and other branch expenses resulting from the Company’s expanded footprint. In addition to personnel and other costs related to the expanding size of the Company, noninterest expenses were driven higher in 2011 by a $2.5 million settlement of outstanding litigation.

• The Company recorded a provision for loan losses of $6.1 million during the third quarter of 2011, compared to a provision of $5.1 million in the third quarter of 2010. The provision was primarily the result of loan growth and a decrease in asset quality from December 31, 2010, as the Company had net charge-offs of only $2.8 million during the first nine months of 2011. As of September 30, 2011, the allowance for loan losses as a percent of total loans was 2.43%, compared to 2.26% at December 31, 2010.

• In September 2011, the Company declared a quarterly cash dividend of $0.34 per common share, consistent with all four quarterly dividends in 2010 and the first two quarters of 2011.

The Company’s focus is that of a high performing institution. Management believes that improvement in core earnings drives shareholder value and has adopted a mission statement that is designed to provide guidance for management, our associates and Board of Directors regarding the sense of purpose and direction of the Company. We are shareholder and client focused, expect high performance from our associates, believe in a strong sense of community and strive to make the Company a great place to work.

During 2011, the Company experienced solid organic loan growth during the nine months ended September 30, 2011, despite the challenges the entire industry continues to face. The Company believes it remains well positioned for future growth opportunities, as evidenced by its liquidity, core funding, and capitalization levels.

FINANCIAL CONDITION

EARNING ASSETS

Interest income associated with earning assets is the Company’s primary source of income. Earning assets are composed of interest or dividend-earning assets, including loans, securities, short-term investments and loans held for sale. Earning assets averaged $10.3 billion during the quarter ended September 30, 2011, an increase of $618.2 million, or 6.4%, from September 30, 2010. The following discussion highlights the Company’s major categories of earning assets.

Loans and Leases

The loan portfolio increased $1.2 billion, or 19.7%, to $7.2 billion at September 30, 2011, compared to $6.0 billion at December 31, 2010. The increase was driven by non-covered loan growth of $1.4 billion during the first nine months of 2011. Excluding loans acquired during 2011, organic loan growth was $312.8 million during 2011, 5.2% higher than at the end of 2010. Loan growth was tempered by a decrease in loans covered by loss share agreements of $205.0 million, or 13.0%.

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Non-covered Loans

The following is a summary of the major categories of non-covered loans outstanding:

NON-COVERED LOANS RECEIVABLE BY LOAN TYPE

(dollars in thousands) Non-covered Loans	September 30, 2011		December 31, 2010
Residential mortgage loans:
Residential 1-4 family	$	288,009	$	355,164
Construction/ Owner-occupied		17,256		14,822
Total residential mortgage loans		305,265		369,986
Commercial loans:
Real estate		2,575,603		1,781,744
Business		1,734,769		1,341,352
Total commercial loans		4,310,372		3,123,096
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		779,925		555,749
Other		192,995		148,432
Total consumer loans		1,232,922		959,503
Total non-covered loans receivable		5,848,559	$	4,452,585

Covered Loans

The carrying amount of the covered loans at September 30, 2011 consisted of loans accounted for in accordance with ASC Topic 310-30 (i.e. loans impaired at the time of acquisition) and loans subject to ASC Topic 310-30 by analogy only (i.e. loans performing at the time of acquisition) as detailed in the following table.

COVERED LOANS RECEIVABLE BY LOAN TYPE

(dollars in thousands)
Covered Loans	Acquired Impaired Loans		Acquired Performing Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	40,980	$	182,535	$	223,515
Construction/ Owner-occupied		—		—		—
Total residential mortgage loans		40,980		182,535		223,515
Commercial loans:
Real estate		152,438		607,609		760,047
Business		4,054		145,233		149,287
Total commercial loans		156,492		752,842		909,334
Consumer loans:
Indirect automobile		—		—		—
Home equity		43,776		198,433		242,209
Other		1,043		1,664		2,707
Total consumer loans		44,819		200,097		244,916
Total covered loans receivable	$	242,291	$	1,135,474	$	1,377,765

Commercial Loans

Commercial real estate and commercial business loans generally have shorter repayment periods and more frequent repricing opportunities than residential 1-4 family loans. Total commercial loans increased $1.1 billion, or 25.4%, during the first nine months of 2011, with $1.2 billion in non-covered IBERIABANK loan growth and a decrease in covered commercial loans of $130.5 million, or 12.6%. The Company’s focus on growing its commercial loan portfolio continued in 2011 as commercial loans as a percentage of total loans increased to 72% of the total loan portfolio at September 30, 2011.

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The Company increased its investment in commercial real estate loans by $688.5 million during the first nine months of 2011. Non-covered commercial real estate loans increased $793.9 million, or 44.6%, with the Lafayette, Louisiana, Birmingham, Alabama, Memphis, Tennessee, and Houston, Texas markets experiencing the largest growth in their commercial loan portfolios. The Company’s underwriting standards generally provide for loan terms of three to five years, with amortization schedules of generally no more than twenty years. Low loan-to-value ratios are maintained and usually limited to no more than 80%. In addition, the Company obtains personal guarantees of the principals as additional security for most commercial real estate loans.

As of September 30, 2011, the Company’s commercial business loans totaled $1.9 billion, or 26.1% of the Company’s total loan portfolio. This represented a $368.2 million, or 24.3%, increase from December 31, 2010. The Company originates commercial business loans on a secured and, to a lesser extent, unsecured basis. The Company’s commercial business loans may be structured as term loans or revolving lines of credit. Term loans are generally structured with terms of no more than three to five years, with amortization schedules of generally no more than seven years. The Company’s commercial business term loans are generally secured by equipment, machinery or other corporate assets. The Company also provides for revolving lines of credit generally structured as advances upon perfected security interests in accounts receivable and inventory. Revolving lines of credit generally have an annual maturity. The Company obtains personal guarantees of the principals as additional security for most commercial business loans.

On a market basis, growth in the non-covered portfolio was due primarily to IBERIABANK’s newer markets, as the Mobile, Alabama market grew its loan portfolio $46.1 million, or 58.7%. IBERIABANK’s Houston, Texas market increased its commercial loan portfolio 131.1%, or $263.1 million, in 2011. In IBERIABANK’s more mature markets, Baton Rouge, Louisiana commercial loan growth of $67.4 million, or 28.4%, and Lafayette, Louisiana’s growth of $53.4 million, or 20.0%, also contributed to the overall commercial loan portfolio increase. Offsetting these increases were decreases in the Northeast and Northwest Arkansas markets, which were due primarily to loan payments.

Mortgage Loans

Residential 1-4 family loans comprise most of the Company’s mortgage loans. The vast majority of the Company’s residential 1-4 family mortgage loan portfolio is secured by properties located in its market areas and originated under terms and documentation which permit their sale in the secondary market. Larger mortgage loans of private banking clients and prospects are generally retained to enhance relationships, and also due to the expected shorter durations and relatively lower servicing costs associated with loans of this size. The Company does not originate or hold high loan to value, negative amortization, option ARM, or other exotic mortgage loans in its portfolio.

The Company continues to sell the majority of conforming mortgage loan originations in the secondary market and recognize the associated fee income rather than assume the rate risk associated with these longer term assets. The Company also releases the servicing of these loans upon sale. Total residential mortgage loans decreased $102.6 million, or 16.2%, compared to December 31, 2010. Of the total mortgage loan decrease from December 31, 2010, $64.7 million, or 63.1%, was a result of a decrease in non-covered mortgage loans, as loans were paid down and new mortgage loan originations slowed.

Consumer Loans

The Company offers consumer loans in order to provide a full range of retail financial services to its customers. The Company originates substantially all of such loans in its primary market areas. At September 30, 2011, $1.5 billion, or 20.5%, of the Company’s total loan portfolio was comprised of consumer loans, compared to $1.2 billion, or 20.6% at the end of 2010. The $236.8 million increase in total consumer loans compared to December 31, 2010 was driven by home equity loan growth of $187.3 million and other personal consumer loan growth of $44.9 million, both primarily a result of acquisitions. Consumer loan growth in the Company’s non-covered loan portfolio was impacted by the Company’s tightened underwriting standards, a response to a weakened national and regional economy.

Consistent with December 31, 2010, home equity loans comprised the largest component of the Company’s consumer loan portfolio at September 30, 2011. The balance of home equity loans increased 22.4% from $834.8 million at December 31, 2010 to $1.0 billion at September 30, 2011. Non-covered IBERIABANK home equity loans increased $224.2 million, or 40.3%, during the first nine months of 2011.

Indirect automobile loans comprised the second largest component of the Company’s consumer loan portfolio. Independent automobile dealerships originate these loans and forward applications to Company personnel for approval or denial. The Company relies on the dealerships, in part, for loan qualifying information. To that extent, there is risk inherent in indirect automobile loans associated with fraud or negligence by the automobile dealership. To limit this risk, an emphasis is placed on established dealerships that have demonstrated reputable behavior, both within the communities we serve and through long-term relationships with the Company. The balance of indirect automobile loans increased $4.7 million during the first nine months of 2011, from $255.3 million at December 31, 2010 to $260.0 million at September 30, 2011, as the Company retained its focus on prime or low risk paper. The indirect portfolio decreased to 3.6% of the total loan portfolio.

The remainder of the consumer loan portfolio at September 30, 2011 was composed of direct automobile loans, credit card loans and other consumer loans, and comprised 2.7% of the overall loan portfolio. At September 30, 2011, the Company’s direct automobile loans totaled $36.8 million, a $5.5 million increase over December 31, 2010. The Company’s credit card loans totaled $45.7 million, a 3.7% increase from December 31, 2010, and the Company’s other personal consumer loans amounted to $113.2 million, a 50.0% increase from December 31, 2010.

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Mortgage Loans Held for Sale

Loans held for sale increased $47.8 million, or 57.0%, to $131.7 million at September 30, 2011, compared to $83.9 million at December 31, 2010. The increase in the balance during the first nine months of 2011 was a result of higher originations during the third quarter of 2011 which drove an overall increase in year-to-date originations. The Company originated $1.1 billion in mortgage loans during the first nine months of 2011. Originations were offset by sales of mortgage loans totaling $1.1 billion during the first nine months of the year.

Loans held for sale have primarily been fixed rate single-family residential mortgage loans under contract to be sold in the secondary market. In most cases, loans in this category are sold within thirty days. Buyers generally have recourse to return a purchased loan to the Company under limited circumstances. Recourse conditions may include fraud in the origination, breach of representations or warranties, and documentation deficiencies. At September 30, 2011, the Company has $2.3 million in loans that have recourse conditions for which a buyer has notified the Company of potential recourse action. The Company has recorded a reserve of $0.9 million for the potential repurchase at September 30, 2011. During the first nine months of 2011, an insignificant number of loans were returned to the Company.

Asset Quality

Over time, the Company’s loan portfolio has transitioned to be more representative of a commercial bank. Accordingly, there is the potential for a higher level of return for investors, but also the potential for higher charge-off and nonperforming levels. As a result, in previous years management has tightened underwriting guidelines and procedures, adopted more conservative loan charge-off and nonaccrual guidelines, rewritten the loan policy and developed an internal loan review function to address the changing risk of the Company’s loan portfolio. As a result of management’s enhancements to underwriting risk/return dynamics within the loan portfolio over time, the credit quality of the Company’s assets has remained strong. Despite declines in asset quality in portions of the Company’s total loan portfolio, management believes asset quality remains favorable when compared to its peers. Management also believes that historically it has recognized and disclosed significant problem loans quickly and taken prompt action in addressing material weaknesses in those credits. Deterioration in asset quality during 2011 was primarily attributable to a limited number of larger isolated credits and not a significant shift in overall portfolio quality. Consistent with prior years, the Company’s purchase and assumption of assets and liabilities of CSB, Orion, Century, and Sterling significantly impacted overall asset quality. Management seeks to recognize and disclose significant problem loans quickly and take prompt action to address material weaknesses in those credits. The Company will continue to closely monitor the risk-adjusted level of return within the loan portfolio.

Written underwriting standards established by the Board of Directors and management govern the lending activities of the Company. The commercial credit department, in conjunction with senior lending personnel, underwrites all commercial business and commercial real estate loans. The Company provides centralized underwriting of all residential mortgage, construction and consumer loans. Established loan origination procedures require appropriate documentation including financial data and credit reports. For loans secured by real property, the Company generally requires property appraisals, title insurance or a title opinion, hazard insurance and flood insurance, where appropriate.

Loan payment performance is monitored and late charges are assessed on past due accounts. A centralized department administers delinquent loans. Every effort is made to minimize any potential loss, including instituting legal proceedings, as necessary. Commercial loans of the Company are periodically reviewed through a loan review process. All other loans are also subject to loan review through a periodic sampling process.

The Company utilizes an asset risk classification system in accordance with guidelines established by the Federal Reserve Board as part of its efforts to monitor commercial asset quality. In connection with examinations of insured institutions, both federal and state examiners also have the authority to identify problem assets and, if appropriate, classify them. There are three classifications for problem assets: “substandard,” “doubtful” and “loss.” Substandard assets have one or more defined weaknesses and are characterized by the distinct possibility that the insured institution will sustain some loss if the deficiencies are not corrected. Doubtful assets have the weaknesses of substandard assets with the additional characteristic that the weaknesses make collection or liquidation in full questionable and there is a high probability of loss based on currently existing facts, conditions and values. An asset classified as loss is not considered collectable and of such little value that continuance as an asset of the Company is not warranted. Commercial loans with adverse classifications are reviewed by the Loan Committee of the Board of Directors at least monthly. Loans are placed on nonaccrual status when they are 90 days or more past due, unless in the judgment of management, the probability of timely collection of interest is deemed to be sufficient to warrant further accrual. When a loan is placed on nonaccrual status, previously accrued but unpaid interest for the current year is deducted from interest income. Prior year interest is charged-off to the allowance for loan losses.

Real estate acquired by the Company as a result of foreclosure or by deed-in-lieu of foreclosure is classified as other real estate owned (“OREO”) until sold, and is carried at the balance of the loan at the time of acquisition or at estimated fair value less estimated costs to sell, whichever is less.

Under generally accepted accounting principles, the Company is required to account for certain loan modifications or restructurings as “troubled debt restructurings”. In general, the modification or restructuring of a debt constitutes a troubled debt restructuring if the Company, for economic or legal reasons related to the borrower’s financial difficulties, grants a concession to the borrower that the Company would not otherwise consider under current market conditions. Debt restructurings or loan modifications for a borrower do not necessarily constitute troubled debt restructurings, however, and troubled debt restructurings do not necessarily result in nonaccrual loans.

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Nonperforming Assets

The Company defines nonperforming assets as nonaccrual loans, accruing loans more than 90 days past due, and OREO and foreclosed property.

Due to the significant difference in the accounting for the covered loans and the loss sharing agreements with the FDIC, the Company believes that asset quality measures excluding the covered loans are generally more meaningful. Purchased impaired loans with loss share agreements had evidence of deterioration in credit quality prior to acquisition, and thus the fair value of these loans as of the acquisition date included an estimate of credit losses. These covered loans, as well as acquired loans from OMNI and Cameron, are accounted for on a pool basis, and these pools are considered to be performing. Purchased loans with loss share agreements and loans acquired from OMNI and Cameron in 2011 were not classified as nonperforming assets at September 30, 2011 or December 31, 2010 in the tables and discussion below, as these loans are considered to be performing under FASB ASC Topic 310-30. As a result, interest income, through the accretion of the difference between the carrying value of the loans and the expected cash flows, is being recognized on all purchased loans accounted for under FASB ASC Topic 310-30. Therefore, management has included asset quality measures that exclude covered loans in the table in this section.

Nonperforming assets not covered by FDIC loss share agreements and excluding the acquired OMNI and Cameron loan portfolios totaled $81.7 million at September 30, 2011, an increase of $12.2 million, or 17.6%, from December 31, 2010. The increase in total nonperforming assets was primarily the result of $13.8 million in nonaccrual loans, but was offset by decreases in foreclosed properties and accruing loans past due 90 days or more. The following table sets forth the composition of the Company’s non-covered nonperforming assets, including accruing loans past due 90 or more days, and TDRs as of the dates indicated.

NONPERFORMING ASSETS AND TROUBLED DEBT RESTRUCTURINGS

(dollars in thousands)	September 30, 2011			December 31, 2010
Nonaccrual loans:
Commercial and business banking	$	50,186		$	35,457
Mortgage		5,823			5,917
Loans to individuals		7,336			8,122
Total nonaccrual loans		63,345			49,496
Accruing loans 90 days or more past due		523			1,455
Total nonperforming loans (1)		63,868			50,951
Foreclosed property		17,809			18,496
Total nonperforming assets (1)		81,677			69,447
Troubled debt restructurings in compliance with modified terms(2)		55			14,968
Total nonperforming assets and troubled debt restructurings (1)	$	81,732		$	84,415
Nonperforming loans to total loans (1)(3)		1.28	%		1.14	%
Nonperforming assets to total assets (1)(3)		0.95	%		0.91	%
Nonperforming assets and troubled debt restructurings to total assets (1)(3)		0.86	%		1.10	%
Allowance for loan losses to nonperforming loans(3)(4)		123.0	%		122.6	%
Allowance for loan losses to total loans(4)		1.31	%		1.40	%

(1) Nonperforming loans and assets include accruing loans 90 days or more past due.

(2) Troubled debt restructurings in compliance with modified terms for September 30, 2011 and December 31, 2010 above do not include $27,690,000 and $2,504,000 in troubled debt restructurings included in total nonaccrual loans above.

(3) Total loans and total assets exclude loans and assets covered by FDIC loss share agreements and OMNI and Cameron acquired loans discussed below.

(4) The allowance for loan losses excludes the portion of the allowance related to covered loans discussed below.

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Nonperforming loans were 1.28% of total non-covered loans at September 30, 2011, 14 basis points higher than at December 31, 2010. If covered loans and loans acquired from OMNI and Cameron meeting nonperforming criteria are included, nonperforming loans would have been 10.7% of total loans before discounts (i.e., based on the contractual unpaid principal balance) at September 30, 2011, and 14.40% at December 31, 2010. The allowance for loan losses as a percentage of nonperforming loans was 123.0% at September 30, 2011 and 122.6% at December 31, 2010. Including both covered assets and loans acquired from OMNI and Cameron, the allowance coverage of total loans before application of covered loan discounts would have been 2.26% at September 30, 2011 and 2.02% at December 31, 2010. The increase in allowance coverage of nonperforming loans was a result of additional provision recorded during 2011 to reserve for probable losses in the portfolio.

The increase in nonperforming assets from December 31, 2010 is also a result of additional nonaccrual loans at September 30, 2011, as these nonaccrual loans increased $13.8 million, or 28.0%. The increase can be attributable to the placement of troubled debt restructurings at December 31, 2010 on nonaccrual status during 2011. The nonaccrual loan increase was primarily the result of six credits which totaled $13.7 million at December 31, 2010. The six credits were put on nonaccrual status during the first quarter of 2011 based on their payment history. These credits have been reviewed for impairment and had specific reserves on their outstanding balance at September 30, 2011 to cover probable losses. The increase in nonaccrual loans was primarily from these isolated credits and did not reflect a significant decline in overall portfolio quality.

Nonperforming asset balances as a percentage of total assets have remained at a relatively low level. Total nonperforming assets were 0.95% of non-covered assets at September 30, 2011, four basis points above December 31, 2010. In response to both loan growth and a slight decline in asset quality during 2011, the Company increased its reserve for loan losses. The reserve coverage of total non-covered loans decreased to 1.31% at September 30, 2011, 9 basis points below December 31, 2010. The decrease was a result of the loans acquired from OMNI and Cameron during the second quarter of 2011.

Loans defined as troubled debt restructurings (“TDRs”) not included in nonperforming assets decreased to $0.1 million at September 30, 2011. Total TDRs not covered by loss share agreements totaled $29.1 million at September 30, 2011, $11.6 million, or 66.6%, higher than December 31, 2010. Three credits totaling $6.0 million accounted for most of the increase in balance from year-end.

Management continually monitors loans and transfers loans to nonaccrual status when warranted. The Company had gross chargeoffs of $9.9 million during the first nine months of 2011, $4.2 million of which were charged off in the third quarter. Offsetting these chargeoffs were recoveries of $7.1 million for the nine months ended September 30, 2011. As a result, net charge-offs of $2.8 million represented 0.06% of average loans during the nine months ended September 30, 2011. Net chargeoffs were significantly affected by one large recovery during the first quarter of 2011. Net charge-offs on non-covered loans during the first nine months of 2010 were $16.5 million, or 0.39% of average loans.

At September 30, 2011, excluding loans covered by the FDIC loss share agreements, the Company had $192.3 million of assets classified as substandard, $4.2 million of assets classified as doubtful, and no assets classified as loss. At such date, the aggregate of the Company’s classified assets amounted to 1.70% of total assets, 2.72% of total loans, and 3.36% of non-covered loans. At December 31, 2010, the aggregate of the Company’s classified assets, $105.8 million, amounted to 1.05% of total assets, 1.75% of total loans, and 2.37% of non-covered loans. The increase in total classified assets was a result of the assets added during the second quarter from the Company’s OMNI and Cameron acquisitions. A reserve for loan losses has been recorded for all substandard loans at September 30, 2011 according to the Company’s allowance policy.

In addition to the problem loans described above, excluding covered loans, there were $186.6 million of loans classified special mention at September 30, 2011, which in management’s opinion were subject to potential future rating downgrades. Special mention loans are defined as loans where known information about possible credit problems of the borrower cause management to have some doubt as to the ability of these borrowers to comply with the present loan repayment terms and which may result in future disclosure of these loans as nonperforming.

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Past Due Loans

Past due status is based on the contractual terms of loans. At September 30, 2011, loans past due 30 days or more excluding covered loans were 2.43% of total loans (before the application of discounts on acquired OMNI and Cameron loans), an increase of 99 basis points from December 31, 2010. Including covered loans, loans past due 30 days or more would have been 11.64% of total loans before discount adjustments at September 30, 2011 and 14.54% at December 31, 2010. Past due loans are presented in the following table.

PAST DUE NON-COVERED LOANS TO TOTAL NON-COVERED LOANS

	September 30, 2011			December 31, 2010
IBERIABANK Corporation
(Excluding FDIC Covered Loans)
30+ days past due		0.54	%		0.33	%
Non-accrual loans		1.89	%		1.11	%
Total past due loans		2.43	%		1.44	%

Past due non-covered loans (including nonaccrual loans) increased $78.3 million, or 121.9%, from December 31, 2010 and was primarily the result of the OMNI and Cameron loans added during the year and the larger commercial nonaccrual credits mentioned previously. Accruing loans past due increased $17.1 million, or 116.0%, from December 31, 2010. $15.0 million, or 87.9%, of the total increase was a result of past due loans in the OMNI and Cameron portfolios, of which $5.1 million were impaired at the time of acquisition. The remaining $2.1 million were past due loans from the Company’s legacy portfolio. Of the $2.1 million, loans past due less than 90 days increased $3.0 million, while accruing loans greater than 90 days outstanding decreased $0.9 million, or 64.0%.

The $2.1 million increase in legacy past due loans was primarily the result of additional past due loans in the Company’s commercial portfolio, as accruing loans past due decreased in the Company’s consumer and mortgage loan portfolios by 30.0% and 47.2%, respectively. The increase in the Company’s past due commercial portfolio was a result of an increase in loans past due less than 90 days of $5.2 million, but was offset by a decrease in accruing loans past due 90 days or more of $0.7 million. The increase in loans past due in the commercial loan portfolio can be isolated to a few large credits and is not indicative of an overall decrease in asset quality.

Covered Loans

The loans and foreclosed real estate that were acquired in the CSB, Orion, Century, and Sterling acquisitions in 2009 and 2010 are covered by loss share agreements between the FDIC and IBERIABANK, which afford IBERIABANK significant loss protection. As a result of the loss protection provided by the FDIC, the risk of loss on the acquired loans and foreclosed real estate is significantly different from those assets not covered under the loss share agreements.

At their acquisition dates, covered assets were recorded at their fair value, which included an estimate of credit losses. The Company estimated the fair value of the total acquired loan portfolios by segregating the total portfolio into loan pools with similar characteristics, which included loan performance at the time of acquisition, loan type based on regulatory reporting guidelines, the nature of collateral, interest rate type, and loan payment type. Covered assets were segregated by pools with evidence of credit deterioration and pools considered to be performing at the time of acquisition. From these pools, the Company used certain loan information, including outstanding principal balance, weighted average maturity, weighted average term to re-price (if a variable rate loan), weighted average margin, and weighted average interest rate to estimate the expected cash flow for each loan pool. Each loan pool was then recorded at fair value based on the Company’s estimate of cash flows expected to be collected on each loan pool sharing common risk characteristics.

Although covered loans are not included in the Company’s nonperforming assets, in accordance with bank regulatory reporting standards, both acquired loans considered impaired at the time of acquisition and those performing at the time of acquisition that meet the Company’s definition of a nonperforming loan at each balance sheet date are discussed below. Included in the discussion are all covered loans that are contractually past due based on the number of days past due. Certain measures of the asset quality of covered loans are discussed below. Loan balances are reported before consideration of applied loan discounts, as these discounts were recorded based on the estimated cash flow of the total loan pool and not on a specific loan basis. Because of the loss share agreements, balances discussed below are for general comparative purposes only and do not represent the Company’s risk of loss on covered assets. Because these assets are covered by the loss share agreements with the FDIC, at least 80% of incurred losses are reimbursable from the FDIC.

Total covered loans past due at September 30, 2011 totaled $762.0 million before discounts, a decrease of $154.4 million, or 16.9%, from December 31, 2010. Past due loans included $694.6 million in loans that would otherwise meet the Company’s definition of nonaccrual loans and $67.4 million in accruing loans past due greater than 30 days. Of the $67.4 million in accruing loans past due, $43.9 million, or 65.0%, were past due less than 90 days. The indemnification agreements on covered assets include a provision for recapture of a portion of interest if the interest is included in total losses on the covered asset.

Of the $154.4 million decrease in covered loans past due, loans past due 30 to 89 days decreased $54.2 million, or 55.3%, while nonperforming loans (defined as accruing loans greater than 90 days past due and nonaccrual loans) decreased $100.2 million, or 12.3%. The decrease in nonperforming loans was a result of a decrease of $28.0 million, or 54.3%, in accruing loans past due 90 or more days and a decrease of $72.2 million, or 9.4%, in nonaccrual loans. These decreases were a result primarily of chargeoffs of loan balances during the year and submission to the FDIC for loss reimbursement.

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Allowance for Loan Losses

The determination of the allowance for loan losses, which represents management’s estimate of probable losses inherent in the Company’s credit portfolio, involves a high degree of judgment and complexity. The Company establishes general reserves on the Company’s loan portfolios described in detail below and specific reserves for estimated losses on certain problem loans when it is determined that losses are probable on such loans. Management’s determination of the adequacy of the allowance is based on various factors, including an evaluation of the portfolio, past loss experience, current economic conditions, the volume and type of lending conducted by the Company, composition of the portfolio, the amount of the Company’s classified assets, seasoning of the loan portfolio, the status of past due principal and interest payments, and other relevant factors. Changes in such estimates may have a significant impact on the consolidated financial statements.

The foundation of the allowance for the Company’s commercial segment is the credit risk rating of each relationship within the portfolio. The credit risk of each borrower is assessed, and a risk grade is assigned. The portfolios are further segmented by facility or collateral ratings. The dual risk grade for each loan is determined by the relationship manager and other approving officers and changed from time to time to reflect an ongoing assessment of the risk. Grades are reviewed on specific loans by senior management and as part of the Company’s internal loan review process. The commercial loan loss allowance is determined for all pass-rated borrowers based upon the borrower risk rating, the expected default probabilities of each rating category, and the outstanding loan balances by risk grade. For borrowers that are rated special mention or below, the higher of the migration analysis or Company established minimum reserve percentages apply. In addition, consideration is given to historical loss experience by internal risk rating, current economic conditions, industry performance trends, geographic or borrower concentrations within each portfolio segment, the current business strategy and credit process, loan underwriting criteria, loan workout procedures, and other pertinent information.

Reserves are determined for each impaired commercial loan based on management’s evaluation of the borrower’s overall financial condition, resources, and payment record; the prospects for support from any financially responsible guarantors; and the realizable value of any collateral. Reserves are established for these loans based upon an estimate of probable losses for the individual loans deemed to be impaired. This estimate considers all available evidence including the present value of the expected future cash flows and the fair value of collateral less disposal costs. Loans for which impaired reserves are provided are excluded from the general reserve calculations described above to prevent duplicate reserves.

The allowance also consists of reserves for unimpaired loans that encompass qualitative economic factors and specific market risk components. The foundation for the general consumer allowance is a review of the loan portfolios and the performance of those portfolios. This review is accomplished by first segmenting the portfolio into homogenous pools. Residential mortgage loans, direct consumer loans, consumer home equity, indirect consumer loans, credit card, and the business banking portfolio each are considered separately. The historical performance of each of these pools is analyzed by examining the level of charge-offs over a specific period of time. The historical average charge-off level for each pool is updated at least quarterly.

In addition to this base analysis, the consumer portfolios are also analyzed for specific risks within each segment. The risk analysis considers the Company’s current strategy for each segment, the maturity of each segment, expansion into new markets, the deployment of newly developed products and any other significant factors impacting that segment. Current regional and national economic factors are an important dimension of the assessment and impact each portfolio segment. The general economic factors are evaluated and adjusted quarterly, if necessary.

Acquired loans follow the reserve standard set in ASC Topic No. 310-30. At acquisition, the Company reviews each loan or loan pool to determine whether there is evidence of deterioration in credit quality since origination and if it is probable that the Company will be unable to collect all amounts due according to the loan’s contractual terms. The Company considers expected prepayments and estimates the amount and timing of undiscounted expected principal, interest and other cash flows for each loan meeting the criteria above, and determines the excess of the loan’s scheduled contractual principal and contractual interest payments over all cash flows expected at acquisition as an amount that should not be accreted (nonaccretable difference). The remaining amount, representing the excess of the loan’s or pool’s cash flows expected to be collected over the book value of the loan (i.e., present value of expected cash flows), is accreted into interest income over the remaining life of the loan or pool (accretable yield). The Company records a discount on these loans at acquisition to record them at the present value of their estimated realizable cash flow. As a result, acquired loans subject to ASC Topic No. 310-30 are excluded from the calculation of loan loss reserves at the acquisition date.

Loans acquired in 2010 and 2011 (the CSB, Orion, Century, Sterling, OMNI, and Cameron acquisitions) were recorded at their acquisition date fair value, which was based on expected cash flows and included an estimate of expected future loan losses. Under current accounting principles, information regarding the Company’s estimate of loan fair values may be adjusted for a period of up to one year as the Company continues to refine its estimate of expected future cash flows in the acquired portfolio. Within a one-year period, if the Company discovers that it has materially underestimated the loan losses inherent in the loan portfolio at the acquisition date, it will retroactively reduce or eliminate the gain recorded on the acquisition. If the Company determines that losses arose after the acquisition date, the additional losses are reflected as a provision for loan losses. Because acquired impaired loans follow the reserve standard set in ASC Topic No. 310-30, and acquired performing loans follow the same standard by analogy, the Company estimates the current amount and timing of expected principal, interest, and other cash flows for each loan or loan pool and compares the total expected cash flow of the loan or loan

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pools to the book value of the loan pools. If the expected cash flow is below the recorded book value, the Company records an allowance on the loan pool through an adjustment to its provision for loan losses and the FDIC loss share receivable, if applicable. At September 30, 2011, the Company had an allowance for loan losses of $98.5 million to reserve for probable losses currently in the covered loan portfolio arising after the losses estimated at the respective acquisition dates. Because the Company has addressed deterioration in the covered loan portfolio on a pool basis, the Company has recorded an allowance for the full amount of expected losses in loan pools identified as having evidence of additional deterioration arising after acquisition. For loan pools that have exhibited an improvement in asset quality since acquisition, the Company will accrete the improvement in cash flows into income over the life of the loan pool.

Based on facts and circumstances available, management of the Company believes that the allowance for loan losses is adequate at September 30, 2011 to cover probable losses in the Company’s loan portfolio. However, future adjustments to the allowance may be necessary, and the Company’s results of operations could be adversely affected, if circumstances differ substantially from the assumptions used by management in determining the allowance for loan losses.

The following tables set forth the activity in the Company’s allowance for loan losses during the periods indicated.

SUMMARY OF ACTIVITY IN THE ALLOWANCE FOR LOAN LOSSES

(dollars in thousands)	Nine Months  Ended September 30, 2011			Nine Months  Ended September 30, 2010
Balance, beginning of period	$	136,100		$	55,768
Provision charged (reversed) to operations		21,589			31,227
Provision recorded through the FDIC loss share receivable		30,184			61,494
Decrease in balance for transfer of covered loans to OREO		(9,719	)		—
Charge-offs:
Commercial, financial and agricultural		(4,499	)		(15,206	)
Mortgage		(223	)		(925	)
Loans to individuals		(5,194	)		(6,508	)
Total charge-offs		(9,916	)		(22,639	)
Recoveries:
Commercial, financial and agricultural		5,155			4,539
Mortgage		159			76
Loans to individuals		1,768			1,488
Total recoveries		7,082			6,103
Net charge-offs		(2,834	)		(16,536	)
Balance, end of period	$	175,320		$	131,954
Allowance for loan losses to nonperforming assets (1) (2)		49.1	%		94.6	%
Allowance for loan losses to total loans at end of period(2)		1.31	%		1.43	%
Net charge-offs (recoveries) to average loans(3)		0.08	%		0.52	%

⁽¹⁾ Nonperforming assets include accruing loans 90 days or more past due.

⁽²⁾ The allowance for loan losses in the calculation does not include the allowance allocated to covered assets.

⁽³⁾ Net charge-offs exclude charge-offs and recoveries on covered loans.

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(dollars in thousands)	September 30, 2011
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	73,640		$	62,460		$	136,100
Provision for loan losses before benefit attributable to FDIC loss share agreements		34,418			17,355			51,773
Benefit attributable to FDIC loss share agreements		(30,184	)		—			(30,184	)
Net provision for loan losses		4,234			17,355			21,589
Transfer of balance to OREO		(9,719	)		—			(9,719	)
Increase in FDIC loss share receivable		30,184			—			30,184
Loans charged-off		(399	)		(9,517	)		(9,916	)
Recoveries		516			6,566			7,082
Balance, end of period	$	98,456		$	76,864		$	175,320

(dollars in thousands)	September 30, 2010
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	145		$	55,623		$	55,768
Provision for loan losses before benefit attributable to FDIC loss share agreements		70,722			21,999			92,721
Benefit attributable to FDIC loss share agreements		(61,494	)		—			(61,494	)
Net provision for loan losses		9,228			21,999			31,227
Increase in FDIC loss share receivable		61,494			—			61,494
Loans charged-off		(1,018	)		(22,317	)		(22,639	)
Recoveries		728			6,071			6,103
Balance, end of period	$	70,577		$	61,376		$	131,954

The allowance for loan losses totaled $175.3 million at September 30, 2011, or 2.43% of total loans, $39.2 million higher than at December 31, 2010. The allowance as a percentage of loans was 17 basis points above the 2.26% at December 31, 2010.

The increase in the allowance was primarily related to increased reserves on the covered loan portfolio based on the Company’s estimate of expected cash flows from these portfolios at September 30, 2011. The allowance for loan losses on covered loans increased $24.8 million from December 31, 2010, or 63.3% of the total increase over December 31, 2010. Expected cash flows on certain of the Company’s acquired loan pools decreased during the first nine months of 2011, and thus a reserve was established to cover additional expected losses in these portfolios. The total increase in the allowance for covered loans based on these cash flows was recorded as a $4.2 million provision for loan losses in the Company’s consolidated statement of income for the nine months ended September 30, 2011 and a $30.2 million increase in the Company’s FDIC loss share receivable. The allowance on covered loans was also reduced by $9.7 million when loan collateral was moved to OREO during 2011.

The allowance for loan losses on the non-covered portion of the Company’s loan portfolio increased due to a decline in asset quality and additional specific reserves on commercial credits at IBERIABANK. Excluding net charge-off activity, the Company recorded a provision of $7.4 million to reserve for loan growth and $7.0 million to reserve for changes in asset quality during the year to address the increased risk of loss inherent in the Company’s legacy loan portfolio at September 30, 2011.

Because of the increase in the allowance during the first nine months of 2011, the allowance for loan losses covers 123.0% of nonperforming loans. The allowance for loan losses on non-covered loans covers total past due loans 53.9% at September 30, 2011, a decrease compared to the December 31, 2010 coverage of 97.2%. The decrease is primarily attributable to the acquired loans from OMNI and Cameron impaired at the time of acquisition (which were discounted on the acquisition date).

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FDIC Loss Share Receivable

As part of the three FDIC-assisted acquisitions during 2009 and the Sterling acquisition during 2010, the Company recorded a $1.1 billion receivable from the FDIC, which represents the fair value of the expected reimbursable losses covered by the loss share agreements. The FDIC loss share receivable decreased $125.0 million, or 17.2%, during the first nine months of 2011 as the Company moved current expected reimbursements resulting from loan charge-offs to the receivable due from the FDIC, included in other assets discussed below. Offsetting the decreases due to reimbursements was a $30.2 million increase due to additional estimated losses on certain covered loan pools during the first nine months of 2011.

The following table sets forth the activity in the FDIC loss share receivable asset for the periods indicated.

(dollars in thousands)	September 30,
	2011			2010
Balance, beginning of period	$	726,871		$	1,034,734
Acquisition		—			66,826
Increase due to loan loss provision recorded on FDIC covered loans		30,184			61,494
(Amortization) Accretion		(42,831	)		(4,405	)
Submission of reimbursable losses to the FDIC		(114,087	)		(252,648	)
Change due to a decrease in cash flow assumptions on OREO		5,242			—
Other		(3,517	)		13
Balance, end of period	$	601,862		$	906,014

Investment Securities

The following table shows the carrying values of securities by category as of the dates indicated.

CARRYING VALUE OF SECURITIES

(dollars in thousands)	September 30,				December 31,
	2011				2010
Securities available for sale:
U.S. Government- sponsored enterprise obligations		374,168	18	%		422,800	21	%
Obligations of state and political subdivisions		144,307	7			40,169	2
Mortgage backed securities		1,254,849	61			1,263,869	63
Other securities		3,503	—			2,956	—
Total securities available for sale		1,776,827	86			1,729,794	86
Securities held to maturity:
U.S. Government- sponsored enterprise obligations		180,248	9			180,479	9
Obligations of state and political subdivisions		71,468	4			75,768	4
Mortgage backed securities		28,817	1			33,773	1
Total securities held to maturity		280,533	14			290,020	14
Total securities	$	2,057,360	100	%	$	2,019,814	100	%

All of the Company’s mortgage-backed securities are agency securities. The Company does not hold any Fannie Mae or Freddie Mac preferred stock, corporate equity, collateralized debt obligations, collateralized loan obligations, structured investment vehicles, private label collateralized mortgage obligations, sub-prime, Alt-A, or second lien elements in its investment portfolio.

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Investment securities increased by $37.5 million, or 1.9%, to $2.0 billion at September 30, 2011. The increase was due to the acquisition of $314.7 million in securities from OMNI and Cameron during the second quarter of 2011. Offsetting the increase from the acquisitions were sales, maturities and calls of both available for sale and held to maturity investments during the first nine months of 2011.

The following table summarizes activity in the Company’s investment securities portfolio during the first nine months of 2011. There were no transfers of securities between investment categories during the year.

(dollars in thousands)	Available for Sale			Held to Maturity
Balance, beginning of period	$	1,729,794		$	290,020
Acquisitions		313,726			978
Purchases		268,880			11,886
Sales, net of gains		(111,957	)		—
Principal maturities, prepayments and calls, net of gains		(440,694	)		(21,610	)
Amortization of premiums and accretion of discounts		(12,523	)		(741	)
Increase (Decrease) in market value		29,601			—
Balance, end of period	$	1,776,827		$	280,533

As a result of the Company’s analysis, no declines in the market value of the Company’s investment securities are deemed to be other-than-temporary at September 30, 2011. At September 30, 2011, the Company’s investment portfolio did not contain any securities that are directly backed by subprime or Alt-A mortgages.

Funds generated as a result of sales and prepayments are used to fund loan growth and purchase other securities. The Company continues to monitor market conditions and take advantage of market opportunities with appropriate rate and risk return elements. Note 5 of the unaudited consolidated financial statements provides further information on the Company’s investment securities.

Short-term Investments

Short-term investments result from excess funds that fluctuate daily depending on the funding needs of the Company and are currently invested overnight in interest-bearing deposit accounts at the FHLB of Dallas and Atlanta, the total balance of which earns interest at the current FHLB discount rate.

The balance in interest-bearing deposits at other institutions increased $21.1 million, or 8.7%, from $242.8 million at December 31, 2010 to $263.9 million at September 30, 2011. The Company has deployed some available funds to fund loan growth and pay down its long-term debt, all in an attempt to improve the average rate earned on interest-earning assets. The Company’s cash activity is further discussed in the “Liquidity” section below.

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Other Assets

The following table details the changes in other asset balances at the dates indicated.

OTHER ASSETS COMPOSITION

(dollars in thousands)	September  30, 2011		December  31, 2010		Increase/(Decrease)
					Amount			Percent
Other Earning Assets
FHLB and FRB stock	$	52,852	$	57,280	$	(4,428	)		(7.7	)%
Fed funds sold		—		9,038		(9,038	)		(100.0	)
Other interest-bearing assets (1)		3,412		3,358		54			1.6
Total earning assets		56,264		69,676		(13,412	)		(19.2	)
Other Assets
Premises and equipment		280,709		208,403		72,306			34.7
Bank-owned life insurance		95,977		72,536		23,441			32.3
Goodwill		350,147		234,228		115,919			49.5
Core deposit intangibles		25,338		22,975		2,363			10.3
Title plant and other intangible assets		8,127		6,907		1,220			17.7
Accrued interest receivable		35,583		34,250		1,333			3.9
Other real estate owned		123,307		69,217		54,090			78.1
Derivative market value		30,217		37,320		(7,103	)		(19.0	)
Receivable due from (to) the FDIC		10,900		42,494		(31,594	)		(74.3	)
Investment in new market tax credit entities		119,207		112,296		6,911			6.2
Other		80,747		48,865		31,882			65.2
Total	$	1,216,523	$	959,167	$	257,356			26.8	%

⁽¹⁾  Other interest-bearing assets are composed primarily of trust preferred common securities.

The $4.4 million decrease in FHLB and FRB stock was the result of $12.2 million in additional stock purchases and $4.9 million in stock acquired from OMNI and Cameron, offset by $21.5 million in repurchases of stock during the first nine months of 2011. The repurchases are mandatory for eligible stock based on FHLB regulations.

Fed funds sold decreased $9.0 million since December 31, 2010. Fed funds sold represent short-term excess liquidity, and the balance varies based on the daily requirements of short-term liquidity needed by the Company and its subsidiaries for loan growth and other operating activities.

The minimal increase in other interest-bearing assets was a result of $0.5 million in securities acquired from Omni, offset by the repayment of a portion of the Company’s trust preferred securities during the first nine months of 2011.

The $72.3 million increase in premises and equipment in the first nine months of 2011 was a result of acquired branches, property, and equipment of $49.3 million from OMNI, Cameron, and Sterling, as well as additional capitalized expenditures at the Company’s branches during the first three quarters of 2011. The investment in additional branch property is part of the Company’s growth strategy and expansion into new markets.

The $23.4 million increase in the Company’s bank-owned life insurance balance was a result of policies acquired from OMNI and Cameron during the second quarter of 2011. The Company acquired $21.0 million in policies from these acquisitions, with the remaining increase from earnings on policies during the first nine months of 2011.

The $115.9 million increase in goodwill and the $1.2 million increase in other intangible assets were a result of the acquisitions of OMNI, Cameron and certain assets of Florida Trust Company during the second quarter of 2011. See Note 4 to these unaudited consolidated financial statements for additional information on these intangible assets.

The $2.4 million increase in core deposit intangibles was due to $6.0 million in intangibles acquired from OMNI and Cameron, offset by amortization expense of $3.6 million during the first nine months of 2011.

The $1.3 million increase in accrued interest receivable from December 31, 2010 was attributable to an increase in earning assets during the first nine months of 2011, offset partially by the timing of interest payments during the year.

Other real estate includes all real estate, other than bank premises used in bank operations, that is owned or controlled by the Company, including real estate acquired in settlement of loans and former bank premises no longer used. The $54.1 million increase in the Company’s OREO balance from December 31, 2010 was a result of $24.4 million in OREO acquired from OMNI and Cameron, as well as the foreclosures of numerous OREO properties during the first nine months of 2011. Most of the foreclosed properties were covered by

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loss share agreements. Covered OREO properties increased $27.8 million, or 54.8%, during 2011. Non-covered OREO increased $1.9 million, or 9.9%, excluding acquired OREO, and was primarily a result of the movement of two former bank properties to OREO during the second quarter.

The $7.1 million decrease in the market value of the Company’s derivatives was primarily attributable to fair value adjustment on the Company’s existing derivatives during the first nine months of 2011. The total change in market value was offset by additional customer derivative and equity-indexed CD derivative product agreements.

The balance due to the Company from the FDIC in accordance with the loss share agreements decreased $31.6 million during the first nine months of 2011. The decrease in the balance was a result of the repayment from the FDIC of losses submitted at December 31, 2010. The Company’s submission of losses in the third quarter has slowed some as many loan pools have shown improvement in cash flows. The balance due from the FDIC includes the reimbursable portion of incurred losses and reimbursable expenses.

The $6.9 million increase in the Company’s investments in new market tax credits is a result of an additional investment in tax credit entities during the second quarter of 2011, offset partially by the amortization of the tax credits as they are recognized in the Company’s income tax provision calculation.

The $31.9 million increase in other assets since December 31, 2010 was primarily the result of two events. First, the Company acquired assets in the OMNI and Cameron acquisitions, including income taxes receivable and numerous prepaid assets. In addition, the Company’s current income tax receivable increased by $29.5 million during 2011 as a result of estimated tax payments made to its various income tax jurisdictions during the first nine months of 2011.

FUNDING SOURCES

Deposits obtained from clients in its primary market areas are the Company’s principal source of funds for use in lending and other business purposes. The Company attracts local deposit accounts by offering a wide variety of accounts, competitive interest rates and convenient branch office locations and service hours. Increasing core deposits through acquisitions and the development of client relationships is a continuing focus of the Company. Borrowings have become an increasingly important funding source as the Company has grown. Other funding sources include short-term and long-term borrowings, subordinated debt and shareholders’ equity. The following discussion highlights the major changes in the mix of deposits and other funding sources during the nine months of 2011.

Deposits

During the first nine months of 2011, deposits increased $1.3 billion, or 16.1%, totaling $9.2 billion at September 30, 2011, as total interest-bearing deposits increased $739.2 million, or 10.5%, and noninterest-bearing deposits increased $535.8 million, or 61.0%, from December 31, 2010. Deposits acquired from OMNI and Cameron accounted for 94.3% of the growth, as deposits increased $72.0 million, or 0.9%, excluding the acquired deposits. Non-acquisition growth was limited to noninterest bearing deposits, as interest-bearing deposits decreased $170.2 million, or 2.4%, excluding deposits acquired. The majority of the decrease is attributable to deposit runoff in Florida, as higher-priced certificates of deposits matured and were not renewed due to continued rate reductions.

From a product perspective, noninterest-bearing deposits increased $535.8 million, or 61.0%, with OMNI and Cameron acquired deposits accounting for 54.8% of the increase. The Company also acquired $909.3 million in interest-bearing deposits from OMNI and Cameron. The increase in interest-bearing deposits was driven by double-digit growth in demand deposits, but was offset partially by a $116.9 million decrease in total certificates of deposit. The majority of the decrease can be traced to the Company’s Florida market, where higher-priced certificates of deposit acquired from Orion, Century, and Sterling matured and were not renewed.

The following table sets forth the composition of the Company’s deposits at the dates indicated.

DEPOSIT COMPOSITION

(dollars in thousands)	September 30,				December 31,				Increase/(Decrease)
	2011				2010				Amount			Percent
Noninterest-bearing DDA	$	1,414,520	15	%	$	878,768	11	%	$	535,752			61.0	%
NOW accounts		1,688,310	18			1,281,825	16			406,485			31.7
Savings and money market		3,359,711	37			2,910,114	37			449,597			15.4
Certificates of deposit		2,727,488	30			2,844,399	36			(116,911	)		(4.1	)
Total deposits	$	9,190,029	100	%	$	7,915,106	100	%	$	1,274,923			16.1	%

From a market perspective, organic deposit growth was seen primarily in IBERIABANK’s newer Houston, Texas and Mobile, Alabama markets, as well as the Lafayette and Baton Rouge, Louisiana markets. Houston experienced growth of $70.2 million, 54.2% growth from December 31, 2010 deposit levels. Mobile’s total deposits increased $27.4 million, or 30.0%. The Lafayette, Louisiana market contributed deposit growth of $81.4 million, or 6.5%. Market growth was offset by deposit runoff in six of the seven Florida markets, with the largest decreases in the Sarasota ($107.6 million, or 18.2%), Southeast Florida ($52.1 million, or 8.8%), and Bradenton ($38.3 million, or 16.4%) markets.

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Short-term Borrowings

The Company may obtain advances from the FHLB of Dallas based upon the common stock it owns in the FHLB of Dallas and certain of its real estate loans and investment securities, provided certain standards related to the Company’s creditworthiness have been met. These advances are made pursuant to several credit programs, each of which has its own interest rate and range of maturities. The level of short-term borrowings can fluctuate significantly on a daily basis depending on funding needs and the source of funds chosen to satisfy those needs.

During the first nine months of 2011, the Company continued to pay down its short-term debt using available funds in order to reduce future interest expense. Total short-term borrowings decreased $5.5 million, or 2.5%, to $214.8 million at September 30, 2011 compared to $220.3 million at December 31, 2010. All of the decrease in borrowings was a result of a decrease in the Company’s securities sold under agreements to repurchase, as there were no short-term FHLB advances outstanding at either September 30, 2011 or December 31, 2010. Total short-term debt was 2.1% of total liabilities and 31.7% of total borrowings at September 30, 2011, which compares favorably to 2.5% and 33.8%, respectively, at December 31, 2010.

On an average basis, short-term borrowings during the third quarter of 2011 were $218.3 million, compared to $236.4 million at December 31, 2010. As with the end-of-period balance, the decrease in average short-term borrowings can be entirely attributed to a decrease in the Company’s securities sold under agreements to repurchase. The weighted average rates paid on short-term borrowings were 0.28% and 0.39% for the quarters ended September 30, 2011 and 2010, respectively, and 0.25% and 0.39% for the nine months ended September 30, 2011 and 2010, respectively.

Long-term Debt

The Company’s long-term borrowings increased $29.7 million, or 6.9%, to $462.0 million at September 30, 2011, compared to $432.3 million at December 31, 2010. The increase in borrowings from December 31, 2010 is a result of the debt assumed from OMNI and Cameron, which included $107.3 million in FHLB advances, $15.5 million in junior subordinated debentures (trust preferred securities), and $8.1 million in additional notes payable. Offsetting the additions from acquired debt were repayments of maturing long-term FHLB advances, trust preferred securities, and the acquired notes during 2011.

During the first quarter of 2011, the Company repaid $7.6 million of trust preferred securities acquired in 2007. The Company paid $6.8 million to repay the advances, incurring $0.3 million in prepayment penalties that are included in the Company’s statement of operation for the nine months ended September 30, 2011. Because the Company prepaid the debt, the fair value discount recorded on the acquired debt was also written off, resulting in a reduction of interest expense of $1.0 million during the nine months ended September 30, 2011. The redemption of the debt in the first quarter will save an additional $0.1 million in interest expense over the final three months of 2011.

During the second quarter of 2011, the Company also redeemed $7.5 million of trust preferred securities that were also acquired in 2007. The Company paid $8.5 million to repay the advances and accrued interest, incurring $0.4 million in prepayment penalties that are included in the Company’s statements of operation for the nine months ended September 30, 2011. The redemption of the debt in the second quarter will save $0.2 million in interest expense over the final three months of 2011.

Also during the second quarter of 2011, the Company paid $8.3 million in cash to repay an outstanding note payable and accrued interest assumed from OMNI.

Despite the acquired debt, on average, the Company’s long-term debt decreased to $434.9 million for the first nine months of 2011. Average long-term debt for the third quarter was 4.6% of total liabilities at September 30, 2011, lower than the quarterly average at the end of 2010 of 4.8%. On a period-end basis, long-term debt was 4.6% of total liabilities at September 30, 2011, a decrease from the 5.0% at December 31, 2010.

The Company’s long-term borrowings at September 30, 2011 included $295.4 million in fixed-rate advances from the FHLB of Dallas and Atlanta which cannot be paid off without incurring substantial prepayment penalties. The Company’s remaining debt consists of $111.9 million of junior subordinated deferrable interest debentures of the Company and $54.7 million in notes payable on investments in the Company’s new market tax credit entities. The debentures are issued to statutory trusts that were funded by the issuance of floating rate capital securities of the trusts and qualify as Tier 1 Capital for regulatory purposes. Interest is payable quarterly and may be deferred at any time at the election of the Company for up to 20 consecutive quarterly periods. During any deferral period, the Company is subject to certain restrictions, including being prohibited from declaring dividends to its common shareholders. During the first nine months of 2011, the Company did not issue additional trust preferred securities. The securities are redeemable by the Company in whole or in part after five years, or earlier under certain circumstances.

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SHAREHOLDERS’ EQUITY

Shareholders’ equity provides a source of permanent funding, allows for future growth and provides the Company with a cushion to withstand unforeseen adverse developments. At September 30, 2011, shareholders’ equity totaled $1.5 billion, an increase of $168.8 million, or 12.9%, compared to $1.3 billion at December 31, 2010. The following table details the changes in shareholders’ equity during the first nine months of 2011.

CHANGES IN SHAREHOLDERS’ EQUITY

(dollars in thousands)	Amount
Balance, beginning of period	$	1,303,457
Net income		37,132
Common stock issued		181,140
Treasury stock repurchased		(41,386	)
Reissuance of treasury stock under management incentive plans, net of shares surrendered		5,829
Cash dividends declared- common stock		(29,421	)
Increase in other comprehensive income		8,536
Share-based compensation cost		6,954
Balance, end of period	$	1,472,241

In addition to total comprehensive income earned during 2011 of $45.7 million, the Company issued 3,083,229 shares of the Company’s common stock on May 31, 2011 to acquire all of the outstanding common stock of the former OMNI and Cameron shareholders. The shares were issued at a price of $58.75, resulting in additional total equity of $181.1 million.

Offsetting the significant additions to equity noted above were dividend payments to common shareholders of $29.4 million for the nine months ended September 30, 2011, which equates to $1.02 per common share. The Company paid dividends of $0.34 per common share in each of the first three quarters of 2011, resulting in a payout to shareholders of over 79% of net income earned in the period.

In August of 2011, the Company announced the Board of Directors had authorized the repurchase of up to 900,000 additional shares, or 3.0% of the outstanding common stock shares at the time of the announcement. During the third quarter of 2011, the Company repurchased all 900,000 shares authorized on the open market. The shares were purchased at a weighted average fair value of $45.98. See Part II, Item 2 of this Quarterly Report on Form 10-Q.

CAPITAL RESOURCES

Federal regulations impose minimum regulatory capital requirements on all institutions with deposits insured by the Federal Deposit Insurance Corporation. The Federal Reserve Board (“FRB”) imposes similar capital regulations on bank holding companies. Compliance with bank and bank holding company regulatory capital requirements, which include leverage and risk-based capital guidelines, are monitored by the Company on an ongoing basis. Under the risk-based capital method, a risk weight is assigned to balance sheet and off-balance sheet items based on regulatory guidelines. At September 30, 2011, the Company exceeded all regulatory capital ratio requirements with a Tier 1 leverage capital ratio of 10.55%, a Tier 1 risk-based capital ratio of 15.49% and a total risk-based capital ratio of 16.75%.

At September 30, 2011, IBERIABANK also exceeded all regulatory capital ratio requirements with a Tier 1 leverage capital ratio of 9.00%, Tier 1 risk-based capital ratio of 13.22% and total risk-based capital ratio of 14.49%, respectively.

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Throughout the first nine months of 2011, the Company’s regulatory capital ratios and those of IBERIABANK were in excess of the levels established for “well-capitalized” institutions as well, as shown in the following graph and table.

(dollars in thousands)					At September 30, 2011					At December 31, 2010
	Entity	“Well- Capitalized” Minimums			Actual			Excess Capital		Actual			Excess Capital
Ratio
Tier 1 Leverage Ratio	Consolidated		5.00	%		10.55	%	$	617,447		11.24	%	$	628,956
	IBERIABANK		5.00			9.00			442,056		8.14			266,609
Tier 1 risk-based capital ratio	Consolidated		6.00			15.49			719,233		18.48			764,921
	IBERIABANK		6.00			13.22			543,380		14.39			402,734
Total risk-based capital ratio	Consolidated		10.00			16.75			511,807		19.74			597,089
	IBERIABANK		10.00			14.49			337,498		15.65			271,420

Despite a decrease in capital ratios from December 31, 2010 as a result of the acquisition of OMNI and Cameron during the second quarter and the Company’s common stock repurchases during the third quarter, the Company’s ratios were well above required levels and management believes its capital position remains at the top of its peer group. The overall decline in ratios from December 31, 2010 can be attributed to these acquisitions and share repurchases and not an indicator of potential problems with capital position, liquidity, availability of borrowings, or the ability to raise additional capital, as evidenced by the stability in the dollar amount of excess capital since December 31, 2010.

RESULTS OF OPERATIONS

The Company reported income available to common shareholders for the third quarter of 2011 of $17.3 million, compared to $13.9 million earned during the third quarter of 2010, an increase of $3.4 million, or 24.1%. Earnings per share (“EPS”) on a diluted basis were $0.58 for the third quarter of 2011, representing an 11.8% increase from the $0.52 earned for the third quarter of 2010. During the third quarter of 2011, net interest income increased $22.5 million, or 32.2%, as interest income increased 13.6% to $113.4 million and interest expense decreased $8.9 million, or 29.7%. Income available to common shareholders was also positively impacted by an increase in noninterest income over the prior year, but was negatively impacted by a $19.2 million increase in noninterest expenses. The Company’s investment in tax credits in the current year helped to decrease income tax expense $0.7 million, or 9.8%.

The quarterly trends noted above are consistent on a year-to-date basis. An increase in net interest income of $37.9 million, driven by an increase of $11.3 million in interest income and a decrease of $26.5 million in interest expense, was offset by a 22.8%, or $50.9 million, increase in noninterest expenses. For the nine months ended September 30, 2011, income available to common shareholders of $37.1 million was $1.3 million, or 3.8%, higher than the same period of 2010. On a per share basis, earnings were $1.31 per diluted share, a 6.9% decrease from the $1.40 per share for the nine months ended September 30, 2010. Per-share earnings were affected by the Company’s issuance of an additional 3.1 million shares in May 2011 in connection with the OMNI and Cameron acquisitions.

The following discussion provides additional information on the Company’s operating results for the three and nine months ended September 30, 2011, compared to the same three- and nine-month periods ended September 30, 2010 by significant income statement caption.

Net Interest Income

Net interest income is the difference between interest realized on earning assets and interest paid on interest-bearing liabilities and is also the driver of core earnings. As such, it is subject to constant scrutiny by management. The rate of return and relative risk associated with earning assets are weighed to determine the appropriateness and mix of earning assets. Additionally, the need for lower cost funding sources is weighed against relationships with clients and future growth requirements. The Company’s average interest rate spread, which is the difference between the yields earned on earning assets and the rates paid on interest-bearing liabilities, was 3.44% during the third quarter of 2011 and 2.70% during the third quarter of 2010. On a year-to-date basis, the Company’s interest rate spread of 3.30% was 48 basis points above the 2.82% earned during the nine months of 2010. The Company’s net interest margin on a taxable equivalent (TE) basis, which is net interest income (TE) as a percentage of average earning assets, was 3.62% and 2.91% during the three months ended September 30, 2011 and 2010, respectively, and 3.48% and 3.04% for the nine month periods then ended.

Net interest income increased $22.5 million, or 32.2%, during the three months ended September 30, 2011 to $92.4 million from $69.9 million during the three months ended September 30, 2010. The improvement in net interest income was the result of a $618.2 million increase in average earning assets, a 29 basis point increase in the yield on average earning assets, and a decrease in the average rate paid on interest-bearing liabilities of 46 basis points. Net interest income was negatively affected by a $245.4 million, or 3.0%, increase in average interest-bearing liabilities.

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For the nine months ended September 30, 2011, the 18.1% increase in net interest income over the same nine-month period of 2010 was also driven by lower interest expense, both as a result of a $37.4 million, or 0.5%, decrease in average interest-bearing liabilities and a 44 basis point decrease in interest rates between periods. Net interest income was also positively affected by a $271.8 million increase in average earning assets and a five basis point increase in earning asset yield for the nine-month period. For both the quarter- and year-to-date periods, the balance sheet growth is primarily a result of the Company’s OMNI and Cameron acquisition, although the Company did have organic growth in both its earnings assets and interest-bearing deposits.

Average loans made up 69.9% of average earning assets during the three months ended September 30, 2011 and 60.1% for the same three-month period in 2010. Average loans increased $1.4 billion, or 23.8%, since September 30, 2010, and was the result of loan growth in the Company’s non-covered loan portfolio, both from OMNI and Cameron acquired loans and organic loan growth. Average investment securities made up 20.4% of average earning assets at September 30, 2011 compared to 19.0% at September 30, 2010. The increase in loans and investment securities (both in absolute dollars and as a percentage of total earning assets) is a result of management’s decision over the past 15 months to reduce its lower-yielding excess liquidity (defined as fed funds sold and interest-bearing cash) by investing in higher-yielding loans, investment securities, and paying down its short- and long-term debt in efforts to improve net interest income. Other significant components of earning assets during the three months ended September 30, 2011 included the Company’s FDIC loss share receivable (6.1% of average earning assets) and excess liquidity (2.1% of earning assets on average). During the three months ended September 30, 2010, the Company’s FDIC loss share receivable and excess liquidity were 18.9% of average earning assets, with excess liquidity alone accounting for 10.0% of total earning assets.

Average interest-bearing deposits made up 91.9% of average interest-bearing liabilities during the third quarter of 2011 compared to 90.3% during the third quarter of 2010. Average short- and long-term borrowings made up the remaining 2.6% and 5.5% of average interest-bearing liabilities during the three months ended September 30, 2011, respectively, compared to 2.8% and 6.9% during the three months ended September 30, 2010.

For the nine months ended September 30, 2011, net interest income was positively impacted by a decrease in interest expense of $26.5 million, or 29.7%, from the nine months of 2010, a result of decreases in both the rates paid on average liabilities and average liability balances.

Average loans for the nine-month period ended September 30, 2011 were 68.6% of total earning assets, an increase from the nine-month average of 61.3% for the similar 2010 period. Similar to the quarterly trend noted above, the investment portfolio made up 21.3% of total earnings assets during 2011, an increase from 17.7% in 2010. The additional investments made in these earning assets decreased the average excess liquidity for the first nine months of 2011 to 1.9% of earning assets, a sharp decline from 9.4% of total earning assets in 2010.

The following tables set forth, for the periods indicated, information regarding (i) the total dollar amount of interest income of the Company from earning assets and the resultant average yields; (ii) the total dollar amount of interest expense on interest-bearing liabilities and the resultant average rate; (iii) net interest income; (iv) net interest spread; and (v) net interest margin. Information is based on average daily balances during the indicated periods. Investment security market value adjustments and trade-date accounting adjustments are not considered to be earning assets and, as such, the net effect is included in nonearning assets. Tax equivalent (TE) yields are calculated using a marginal tax rate of 35%.

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Average Balances, Net Interest Income and Interest Yields / Rates

The following table sets forth, for the periods indicated, information regarding (i) the total dollar amount of interest income of the Company from earning assets and the resultant average yields; (ii) the total dollar amount of interest expense on interest-bearing liabilities and the resultant average rate; (iii) net interest income; (iv) net interest spread; and (v) net interest margin. Information is based on average daily balances during the indicated periods. Investment security market value adjustments and trade-date accounting adjustments are not considered to be earning assets and, as such, the net effect of the adjustments is included in nonearning assets. Tax equivalent (TE) yields are calculated using a marginal tax rate of 35%.

	Three Months Ended September 30,																		Nine Months Ended September 30,
	2011									2010									2011									2010
(dollars in thousands)	Average Balance			Interest			Average Yield/ Rate (1)			Average Balance			Interest			Average Yield/ Rate (1)			Average Balance			Interest			Average Yield/ Rate (1)			Average Balance			Interest			Average Yield/ Rate (1)
Earning assets:
Loans receivable:
Mortgage loans	$	547,458		$	9,293			6.87	%	$	710,112		$	13,087			7.42	%	$	579,197		$	29,429			6.85	%	$	867,399		$	43,670			6.75	%
Commercial loans (TE) (2)		5,201,711			68,197			5.23	%		3,918,158			57,719			5.88	%		4,651,752			212,469			6.13	%		3,754,208			162,930			5.85	%
Consumer and other loans		1,470,229			23,652			6.38	%		1,202,442			18,826			6.21	%		1,367,705			67,810			6.63	%		1,107,893			53,803			6.49	%
Total loans		7,219,398			101,142			5.59	%		5,830,712			89,632			6.14	%		6,598,654			309,708			6.30	%		5,729,500			260,403			6.11	%
Mortgage loans held for sale		87,769			1,033			4.19	%		131,944			1,499			4.26	%		64,291			2,747			5.02	%		88,716			3,205			4.45	%
Investment securities (TE) (2)(3)		2,110,070			13,311			2.72	%		1,843,511			12,783			2.90	%		2,053,004			38,987			2.67	%		1,653,686			37,350			3.16	%
Other earning assets		905,322			(2,056	)		-0.90	%		1,898,198			(4,096	)		-0.84	%		907,627			(41,451	)		-6.11	%		1,879,820			(2,303	)		-0.16	%
Total earning assets		10,322,559			113,429			4.42	%		9,704,365			99,818			4.13	%		9,623,576			309,992			4.36	%		9,351,722			298,655			4.31	%
Allowance for loan losses		(172,030	)								(92,941	)								(151,948	)								(70,453	)
Nonearning assets		1,397,593									1,029,764									1,198,396									999,472
Total assets	$	11,548,122								$	10,641,188								$	10,670,024								$	10,280,741
Interest-bearing liabilities:
Deposits:
NOW accounts	$	1,682,568		$	1,919			0.45	%	$	1,281,554		$	2,178			0.67	%	$	1,499,111		$	5,812			0.52	%	$	1,341,581		$	7,247			0.72	%
Savings and money market accounts		3,350,035			5,854			0.69	%		2,953,907			8,768			1.18	%		3,110,088			17,229			0.74	%		2,680,060			28,796			1.44	%
Certificates of deposit		2,769,153			9,950			1.43	%		3,204,675			13,852			1.71	%		2,710,515			31,743			1.57	%		3,132,881			37,821			1.61	%
Total interest-bearing deposits		7,801,756			17,723			0.90	%		7,440,136			24,798			1.32	%		7,319,714			54,784			1.00	%		7,154,522			73,864			1.38	%
Short-term borrowings		218,290			153			0.28	%		231,813			233			0.39	%		219,096			422			0.25	%		209,297			623			0.39	%
Long-term debt		464,472			3,118			2.63	%		567,166			4,854			3.35	%		434,863			7,636			2.32	%		647,229			14,890			3.03	%
Total interest-bearing liabilities		8,484,518			20,994			0.98	%		8,239,115			29,885			1.44	%		7,973,673			62,842			1.05	%		8,011,048			89,377			1.49	%
Noninterest-bearing demand deposits		1,368,014									840,765									1,121,650									828,294
Noninterest-bearing liabilities		190,225									248,727									172,082									213,342
Total liabilities		10,042,757									9,328,607									9,267,405									9,052,684
Shareholders’ equity		1,505,365									1,312,581									1,402,619									1,228,057
Total liabilities and shareholders’ equity	$	11,548,122								$	10,641,188								$	10,670,024								$	10,280,741
Net earning assets	$	1,838,041								$	1,465,250								$	1,649,903								$	1,340,674
Ratio of earning assets to interest-bearing liabilities		121.66	%								117.78	%								120.69	%								116.74	%
Net Interest Spread				$	92,435			3.44	%				$	69,933			2.70	%				$	247,149			3.30	%				$	209,278			2.82	%
Tax-equivalent Benefit								0.09	%								0.07	%								0.08	%								0.08	%
Net Interest Income (TE) / Net Interest Margin (TE) (1)				$	94,778			3.62	%				$	71,702			2.91	%				$	252,981			3.48	%				$	215,471			3.04	%

⁽¹⁾ Annualized.

⁽²⁾ Fully taxable equivalent (TE) calculations include the tax benefit associated with related income sources that are tax-exempt using a marginal tax rate of 35%.

⁽³⁾ Balances exclude unrealized gain or loss on securities available for sale and impact of trade date accounting.

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The following table displays the dollar amount of changes in interest income and interest expense for major components of earning assets and interest-bearing liabilities between the three- and nine-month periods ended September 30, 2011 and 2010. The table distinguishes between (i) changes attributable to volume (changes in average volume between periods times the average yield/rate for the two periods), (ii) changes attributable to rate (changes in average rate between periods times the average volume for the two periods), and (iii) total increase (decrease).

SUMMARY OF CHANGES IN NET INTEREST INCOME

	For the Three Months Ended September 30, 2011/2010									For the Nine Months Ended September 30, 2011/2010
	Change Attributable To									Change Attributable To
(dollars in thousands)							Total									Total
							Increase									Increase
	Volume			Rate			(Decrease)			Volume			Rate			(Decrease)
Earning assets:
Loans receivable:
Mortgage loans	$	(2,849	)	$	(926	)	$	(3,775	)	$	(14,797	)	$	637		$	(14,160	)
Commercial loans (TE)		17,555			(7,076	)		10,479			45,172			4,366			49,538
Consumer and other loans		4,390			435			4,825			13,681			327			14,008
Loans held for sale		(463	)		(23	)		(486	)		(886	)		347			(539	)
Investment securities (TE)		1,985			(1,457	)		528			8,226			(6,590	)		1,636
FDIC loss share receivable		1,194			1,228			2,422			1,629			(40,056	)		(38,427	)
Other earning assets		(474	)		92			(382	)		(1,235	)		515			(720	)
Total net change in income on earning assets		21,338			(7,727	)		13,611			51,790			(40,454	)		11,336
Interest-bearing liabilities:
Deposits:
NOW accounts		572			(831	)		(259	)		780			(2,215	)		(1,435	)
Savings and money market accounts		964			(3,878	)		(2,914	)		4,827			(16,394	)		(11,567	)
Certificates of deposit		(1,741	)		(2,162	)		(3,903	)		(4,974	)		(1,104	)		(6,078	)
Borrowings		(798	)		(1,017	)		(1,815	)		(4,176	)		(3,279	)		(7,455	)
Total net change in expense on interest- bearing liabilities		(1,003	)		(7,888	)		(8,891	)		(3,543	)		(22,992	)		(26,535	)
Change in net interest income	$	22,341		$	161		$	22,502		$	55,333		$	(17,462	)	$	37,871

Interest income includes interest income earned on earning assets as well as applicable loan fees earned. Interest income that would have been earned on nonaccrual loans had they been on accrual status is not included in the data reported above.

The increase in yield on total earning assets was driven by higher yields on the Company’s consumer loan portfolio and a lower amortization of the Company’s FDIC loss share receivable (that resulted in a negative yield), but was offset by lower investment security yields and yields on portions of the Company’s commercial loan portfolio.

For the quarter ended September 30, 2011, the increase in the Company’s average earning assets drove the increase in interest income, as average balance increases in the commercial and consumer loan portfolios, as well as a balance increase in the investment portfolio, offset rate decreases across multiple portfolios. Average loan balances increased $1.4 billion, or 23.8%, over September 30, 2010. The increase can be attributed to the non-covered loan growth since September 30, 2010, both from the OMNI and Cameron acquisitions and organic non-covered loan growth.

Interest income growth was slowed by a 55 basis point decrease in the yield on the Company’s loan portfolio and an 18 basis point decrease in yield on the Company’s investment securities. The amortization of the loss share receivable was $2.6 million for the three months ended September 30, 2011, which can be attributable to the related increase in expected cash flow from the covered assets. As expected cash flow on the covered loan and OREO portfolios increases, the fair value of the FDIC loss share receivable decreases, with the difference recorded as an adjustment to earnings. The negative yield during the three months ended September 30, 2011 of 1.63% was 65 basis points below the negative yield of 2.27% during the same period of 2010. As a result, the total yield of the loan portfolio when including the loss share receivable was 5.02%, three basis points lower than the third quarter of 2010.

Average investment securities increased $266.6 million during the third quarter of 2011 when compared to the same period of 2010, as the Company acquired investments from OMNI and Cameron and purchased higher-yielding investment securities with available cash to improve earning asset yields. Despite a decrease of 18 basis points from September 30, 2010, investment securities yielded 2.72% during the three months ended September 30, 2011. The 2.72% earned on the securities was well above the yield on interest bearing cash and fed funds sold of 0.23% for the third quarter of 2011.

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Driven by a decrease of 46 basis points in the rate paid on interest-bearing liabilities during the three months ended September 30, 2011, interest expense decreased $8.9 million, or 29.7%, from the three months ended September 30, 2010. The decrease in interest expense on the Company’s long-term debt was a result of a $102.7 million decrease in average long-term debt from the third quarter of 2010 and a rate decrease of 72 basis points. Despite an increase of $361.6 million in average interest-bearing deposits, interest expense on the Company’s deposits decreased $7.1 million, or 28.5%, from the third quarter of 2010, as the average rate paid on these deposits decreased 42 basis points to 0.90% for the third quarter of 2011. Higher-yielding deposits acquired from the 2009 and 2010 Alabama and Florida acquisitions either matured or were repriced during 2010 and 2011, contributing to the basis point decrease.

On a year-to-date basis, average balance increases in the largest components of earning assets more than offset the rate decreases in yields on many of the Company’s average earning assets, as interest income increased $11.3 million, or 3.8%. Average loan balances increased $869.2 million, or 15.2%, over September 30, 2010. The increase can be attributed to the non-covered loan growth since September 30, 2010, both from acquisitions and organic growth. Despite a 19 basis point increase in the yield on the Company’s loan portfolio, interest income growth was slowed in the current year by a decrease in yield on the Company’s loss share receivable.

Driven by a decrease of 44 basis points in the rate paid on interest-bearing liabilities during the nine months ended September 30, 2011, interest expense decreased $26.5 million, or 29.7%, from the nine months ended September 30, 2010. The decrease in interest expense on the Company’s long-term debt was a result of a $212.4 million decrease in average long-term debt from the third quarter of 2010 and a rate decrease of 71 basis points. Despite an increase of $165.2 million in average interest-bearing deposits, interest expense on the Company’s deposits decreased $19.1 million, or 25.8%, from the first nine months of 2010, as the average rate paid on these deposits decreased 38 basis points to 1.00% for the nine months of 2011.

Provision for Loan Losses

Management of the Company assesses the allowance for loan losses monthly and will make provisions for loan losses as deemed appropriate in order to maintain the adequacy of the allowance for loan losses. Increases in the allowance for loan losses are achieved through provisions for loan losses that are charged against income.

On a consolidated basis, the Company recorded a provision for loan losses of $6.1 million for the three months ended September 30, 2011, a $1.0 million, or 19.5%, increase from the third quarter of 2010. The Company’s provision of $6.1 million was recorded to replace net chargeoffs taken on the Company’s non-covered loan portfolio during the three months ended September 30, 2011 of $1.7 million, to reserve $0.6 million to cover non-acquisition loan growth, and to reserve $4.0 million to account for a net deterioration in asset quality. Offsetting the non-covered loan provision was a $0.2 million recapture of provision taken on the Company’s covered portfolio. The increase in the total provision from the prior year is primarily the result of the additional reserve for asset quality deterioration over the past 12 months. During the third quarter of 2010, the Company was able to reverse $3.5 million in provision for an improvement in asset quality in the non-covered loan portfolio. The provision allocated to net chargeoff replacement for the three months ended September 30, 2010, however, was $4.4 million higher than for the same quarter of 2011.

For the nine months ended September 30, 2011, the provision for loan losses was $21.6 million, 30.9% lower than for the nine-month period ended September 30, 2010. The $9.6 million decrease from 2010 was a result of a $4.6 million decrease in the Company’s non-covered provision and a $5.0 million decrease in the Company’s covered loan provision. The change in the non-covered provision from the prior year was a result of a decrease of $14.2 million in net non-covered loan chargeoffs. Offsetting this decrease was a $6.9 million increase in provision over the prior year for loan growth and a $2.7 million increase in provision to reserve for asset quality deterioration in the non-covered loan portfolio. The decrease in the covered provision was a result of a change in expected cash flows on certain loan pools.

As part of the total $17.4 million provision recorded on the non-covered loan portfolio during the nine months ended September 30, 2011, $7.0 million was recorded to account for a change in asset quality. Non-covered loans past due in the consolidated loan portfolio totaled $142.6 million at September 30, 2011, an increase of $78.3 million from December 31, 2010. Past due loans, including nonaccrual loans, were 2.43% of total loans (before acquired loan discount adjustments) at September 30, 2011, a 99 basis point increase from December 31, 2010. Although a significant portion of the increase in non-covered past due loans during the year was a result of acquired impaired loans from OMNI and Cameron, which the Company accounts for under ASC 310-30, certain changes in legacy asset quality warranted additional provision expense in the current period.

Net charge-offs on the consolidated portfolio were $1.9 million for the third quarter of 2011, or an annualized chargeoff percentage of 0.10%. The net charge-offs were a result of $4.2 million in charge-offs and $2.3 million in recoveries for the third quarter of 2011. Annualized net charge-offs for the third quarter of 2010 were 0.36% of the consolidated loan portfolio, and were a result of charge-offs of $8.0 million and recoveries of $2.7 million.

The Company believes the allowance was adequate at September 30, 2011 to cover probable losses in the Company’s loan portfolio. The allowance for loan losses as a percentage of outstanding loans, net of unearned income, increased 17 basis points from 2.26% at December 31, 2010 to 2.43% at September 30, 2011.

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Excluding loans covered by the FDIC loss share agreements, the Company’s allowance was 1.31% of non-covered loans at September 30, 2011. Excluding acquired OMNI and Cameron loans accounted for in accordance with ASC 310-30, the Company’s allowance on its non-covered loans would have been 1.51% of total non-covered loans, 11 basis points above December 31, 2010. On the same basis, the Company’s allowance at September 30, 2011 was 123.0% of total nonperforming loans. The ratios compare favorably to December 31, 2010 ratios of 1.40% of total non-covered loans and 122.6% of nonperforming loans.

Noninterest Income

The Company’s operating results included noninterest income of $37.1 million for the three months ended September 30, 2011, $0.3 million, or 0.9%, higher than the $36.8 million earned for the same period in 2010. For the first nine months of 2011, noninterest income increased 0.6% from the same nine-month period in 2010. The following table illustrates the primary components of noninterest income for the periods indicated.

NONINTEREST INCOME

	Three Months Ended								Nine Months Ended
						Percent								Percent
	September 30,					Increase			September 30,					Increase
(dollars in thousands)	2011		2010			(Decrease)			2011		2010			(Decrease)
Service charges on deposit accounts	$	7,448	$	6,085			22.4	%	$	19,303	$	18,361			5.1	%
ATM/debit card fee income		3,132		2,562			22.2			9,011		7,444			21.0
Income from bank owned life insurance		924		726			27.2			2,397		2,153			11.4
Gain on sale of loans, net		13,438		13,518			(0.6	)		31,719		31,517			0.6
Gain (loss) on sale of assets		302		(178	)		269.7			275		(357	)		177.0
Gain on sale of investments, net		1,206		4,176			(71.1	)		2,682		5,158			(48.0	)
Gain on acquisitions		—		—			—			—		3,781			(100.0	)
Title revenue		4,900		4,852			1.0			13,202		13,368			(1.2	)
Broker commission income		2,501		2,320			7.8			7,767		5,204			49.3
Other income		3,269		2,720			20.2			10,047		9,208			9.1
Total noninterest income	$	37,120	$	36,781			0.9	%	$	96,403	$	95,837			0.6	%

Service charges on deposit accounts increased $1.4 million in the third quarter compared to the same period last year, and 5.1%, or $0.9 million, for the year-to-date period, due primarily to an increase in non-sufficient fund (“NSF”) fees and analysis and service fees from the Company’s expanded customer base. Customers increased as a result of acquisitions and new branch openings during the year.

ATM/debit card fee income increased $0.6 million and $1.6 million for the three-and nine-month periods, respectively, over the comparable 2010 periods primarily due to the expanded cardholder base and increased usage by customers.

Income earned from bank owned life insurance increased $0.2 million for the quarter- and year-to-date periods over their respective 2010 periods, consistent with market performance and current yields. The additional policies acquired from OMNI and Cameron in the second quarter of 2011 contributed to higher revenue over the comparable 2010 periods.

Gains on the sales of mortgage loans remained consistent with the comparable 2010 periods. Improved margin on the sales of mortgage loan originations, fueled in part by loan refinancings, increased gains on sales of loans $0.2 million during 2011. Proceeds from mortgage loan sales during the first nine months of 2011 were $1.1 billion.

A $0.3 million gain on sales of assets was recorded in 2011. The gain was primarily from the disposal of former bank property and equipment no longer in use. The loss taken on the sale of assets in 2010 was primarily the result of the disposal of automobiles at the former Orion branches and the sale of a modular branch building.

Gains on sales of investments decreased $3.0 million during the three months ended September 30, 2011 and $2.5 million during the first nine months of 2011 when compared to 2010, as sales volume decreased from the same period of 2010. Gains were recorded on the sale of $112.0 million in securities in the current year, compared to the sale of $244.5 million in agency and mortgage-backed securities.

The Company recorded a gain of $3.8 million during 2010 on the FDIC-assisted Orion transaction from 2009 due to additional settlement items with the FDIC. There were no gains on acquisitions recorded during the first nine months of 2011.

Title income remained steady during the quarter and during the first nine months of 2011 when compared to the same prior year periods.

Broker commissions increased $0.2 million, or 7.8%, compared to the third quarter of 2010, and increased $2.6 million, or 49.3%, from the comparable nine-month period of 2010. The increase is a result of the Company’s expanded client base, including the current year’s expansion in Arkansas and Florida. Broker commissions for the year-to-date period of 2011 also include income from the Company’s issuance of an equity-linked CD product, which commenced in July 2010.

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Other noninterest income increased $0.5 million for the third quarter of 2011 when compared to the same period of 2010 and $0.8 million in the current nine-month period. The increases were primarily the result of additional income from the Company’s investment in new market tax credit entities. In addition to the tax credits the Company receives, income is generated on the investment the Company has made in these entities. Other noninterest income in 2011 was also positively impacted by additional higher trust department income, which can be attributed to the increased customer base and growth of the business.

Noninterest Expense

The Company’s operating results for the three months ended September 30, 2011 include noninterest expenses of $99.6 million, $19.2 million above the same period in 2010. For the nine months ended September 30, 2011, noninterest expenses of $274.0 million were 22.8% higher than the same period of 2010. Ongoing attention to expense control is part of the Company’s corporate culture. However, the Company’s continued focus on growth through new branches, acquisitions and product expansion have caused related increases in several components of noninterest expense.

The following table illustrates the primary components of noninterest expense for the periods indicated.

NONINTEREST EXPENSE

	Three Months Ended							Nine Months Ended
					Percent							Percent
	September 30,				Increase			September 30,				Increase
(dollars in thousands)	2011		2010		(Decrease)			2011		2010		(Decrease)
Salaries and employee benefits	$	52,679	$	40,932		28.7	%	$	142,356	$	116,323		22.4	%
Occupancy and equipment		14,017		8,779		59.7			35,196		24,493		43.7
Franchise and shares tax		1,156		669		72.9			3,155		2,165		45.7
Communication and delivery		3,327		2,331		42.7			8,350		7,095		17.7
Marketing and business development		2,170		1,545		40.4			6,974		4,483		55.6
Data processing		2,988		2,969		0.6			10,762		9,130		17.9
Printing, stationery and supplies		820		728		12.6			2,457		2,239		9.7
Amortization of acquisition intangibles		1,385		1,316		5.2			3,737		3,595		3.9
Professional services		3,427		2,321		47.7			10,782		10,066		7.1
Net costs of OREO		3,284		1,653		98.7			7,177		3,330		115.5
Other expenses		14,313		17,128		(16.4	)		43,058		40,228		7.0
Total noninterest expense	$	99,566	$	80,371		23.9	%	$	274,004	$	223,147		22.8	%

Salaries and employee benefits increased $11.7 million during the third quarter of 2011 and $26.0 million for the year over the comparable periods in 2010. The increases were primarily the result of increased staffing due to the growth of the Company. 2011 expenses include the full impact of additional Sterling personnel, as well as personnel from the Company’s new branches. Expense for the third quarter and year-to-date 2011 periods also include four months of salaries and employee benefits expense, as well as severance expense, from the former OMNI and Cameron employees. Salaries and employee benefits in 2011 also included increased share-based incentive compensation due to additional restricted stock, phantom stock, and option grants in 2010 and 2011.

Occupancy and equipment expense increased $5.2 million during the third quarter and $10.7 million for the first nine months of 2011 over the comparable 2010 periods due primarily to the cost of facilities associated with the Company’s expansion. These increased costs include repairs and maintenance on branches, depreciation, utilities, rentals and property taxes. Occupancy expense for 2011 include $1.8 million and $3.2 million of acquisition-related expenses during the three- and nine-month periods ended September 30, 2011, respectively, which include the full expensing of vacated lease liabilities acquired from OMNI and Cameron. Similar expenses were only $0.1 million and $0.2 million for the same three- and nine-month periods of 2010, respectively.

Franchise and shares tax expense increased $0.5 million during the third quarter of 2011 and $1.0 million during the current year over 2010. This increase in 2011 was due to an increase in shares tax expense as a result of a higher assessment base for the shares tax calculation for IBERIABANK. The higher assessment resulted from increased equity at IBERIABANK at the end of December 31, 2010 when compared to the previous year.

The Company’s expansion in 2010 and 2011 led to an increase in communication and delivery and printing and supplies expenses. Communication and delivery expenses increased 17.7%, or $1.3 million, from the first nine months of 2010 to the same period of 2011. The increase in these expenses was a result of higher postage expenses from customer mailings. In addition, postage and courier expenses increased as a result of the increase in the Company’s number of branches and locations across multiple states. Data line and telephone expenses were also higher in 2011 as a result of the expanded Company footprint.

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Data processing charges increased $1.6 million for the nine-month period over the comparable period of 2010 as the size of the Company has led to higher processing volume and additional maintenance expenses. Acquisition-related data processing charges totaled $0.6 million and $3.3 million for the three- and nine-month periods ended September 30, 2011, consistent with the third quarter of 2010 and an increase of $1.5 million over the comparable 2010 year-to-date period. Acquisition-related expenses include system conversion and integration expenses.

Marketing and business development expenses increased $0.6 million during the third quarter of 2011 and $2.5 million in the current year-to-date period over 2010 as a result of additional expenses associated with business development and community relations. The Company continues to aggressively market itself in its newer markets, including those in Florida, Alabama, and Texas. During 2011, the Company also incurred acquisition-related costs of $0.8 million during 2011 related to the Company’s OMNI and Cameron acquisitions. The $0.8 million is an increase of $0.4 million, or 82.7%, from the first nine months of 2010.

The core deposit intangible assets created in the Sterling, OMNI, and Cameron acquisitions in 2010 and 2011 contributed to the $0.1 million increase in amortization expense of the Company’s intangible assets in the nine-month period of 2011 when compared to 2010.

Due to the growth of the Company over the past 12 months, professional services expense was $1.1 million higher for the current three-month period compared to the same period last year and was $0.7 million higher than the same year-to-date period of 2010. The increases were also a result of legal, audit and consulting expenses incurred as part of the Company’s acquisitions. Merger-related professional services were $0.5 million, or 152.7%, higher during the third quarter of 2011 when compared to the same 2010 period, but were $0.9 million, or 25.7%, lower for the year-to-date period.

Net costs of OREO properties increased $1.6 million and $3.8 million for the three- and nine-month periods of 2011 over 2010, as write-downs taken on OREO properties increased $1.8 million (256.1%) for the third quarter of 2011 and $3.7 million (140.2%) for the first nine months of 2011. Gains on the sale of OREO properties in both the third quarter and for 2011 in total offset the write-downs recorded. During the third quarter of 2011, gains on the sale of OREO properties increased $0.3 million from the comparable 2010 period. For the year, gains were $0.2 million higher than in 2010. The remaining increase in net OREO expenses was a result of additional property taxes, insurance, and appraisal fees on these properties, driven primarily by the additional properties in the portfolio during the current year.

In 2011, other noninterest expenses decreased $2.8 million from the third quarter of 2010, but increased $2.8 million over the first nine months of 2010. The year-to-date increase is a result of a $2.2 million, or 24.1%, increase in credit and other loan-related expenses due to the expanded size of the loan portfolio and the number of loans with noted credit issues. The increase in credit-related expenses stems primarily from the Company’s covered loan portfolio. The credit quality issues inherent in the portfolio covered by loss share agreements with the FDIC drove appraisal and inspection, collections, and credit bureau expenses higher in 2011. To the extent both the credit-related expenses and costs of OREO were incurred on covered assets, the Company will be reimbursed by the FDIC for a portion of these expenses in future periods, which would partially offset the expenses incurred to date.

Outsourced operations increased $0.5 million and $1.2 million for the quarter- and year-to-date periods over 2010 at the Company’s wealth management subsidiary as operating activities increased in the latter part of 2010 and into 2011.

The most significant reason for the year-to-date increase in other operating expenses over the period ended September 30, 2010 was a result of the $2.6 million settlement liability recorded in the Company’s financial statements for the periods ended September 30, 2011. The settlement was related to two class action lawsuits related to overdraft fees for electronic transfers in a high to low processing sequence on the posting of items for processing. The Company’s practice of sorting these items is a common practice in the industry, and although the Company maintains its practice was appropriate, management feels the negotiated settlement saves the potential costs of protracted litigation and avoids any misunderstanding with clients. For additional information on the settlement and its effect on the unaudited consolidated financial statements, see Note 12 to these financial statements.

Income Taxes

Income tax expense decreased $0.7 million, or 9.8%, for the three months ended September 30, 2011 to $6.6 million compared to $7.3 million for the three months ended September 30, 2010. For the nine months ended September 30, 2011, income tax expense decreased $4.1 million, or 27.6%, to $10.8 million, from $15.0 million in 2010. The effective tax rate was 27.5% for the three months ended September 30, 2011 and 34.3% of earnings before taxes for the three months ended September 30, 2010. For the corresponding nine-month periods, the Company’s effective tax rates were 22.6% and 29.5%. The difference between the effective tax rate and the statutory tax rate primarily relates to variances in items that are non-taxable or non-deductible, primarily the effect of tax-exempt income, the non-deductibility of part of the amortization of acquisition intangibles, and various tax credits taken.

The difference in the effective tax rates for the periods presented is primarily the result of the relative tax-exempt interest income levels during the respective periods for each of the Company’s subsidiaries. The tax rate for the current quarter and year-to-date period is lower than in the corresponding periods of 2010 as a result of the effect of the decrease in IBERIABANK’s effective tax rate. A larger percentage of the year-to-date income before taxes was generated in Louisiana as a result of the OMNI and Cameron acquisitions, which has a lower effective rate than Arkansas, Florida, and Alabama, the Company’s other primary states with business operations. IBERIABANK’s effective tax rate was 26.2% and 30.7% for the nine months ended September 30, 2011 and 2010, respectively.

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The Company’s consolidated effective tax rates were also positively impacted in the current year by the Company’s Lenders Title and ICP subsidiaries, as well as the holding company, as these entities all had income tax benefits during the first three quarters of 2011 from net losses for the periods. The effective tax rate on these entities is higher than IBERIABANK’s effective tax rate (which is affected by the tax credit mentioned previously) and thus the consolidated effective tax rate has decreased 23.4% when compared to the prior year.

LIQUIDITY

The Company’s liquidity, represented by cash and cash equivalents, is a product of its operating, investing and financing activities. The Company manages its liquidity with the objective of maintaining sufficient funds to respond to the needs of depositors and borrowers and to take advantage of earnings enhancement opportunities. The primary sources of funds for the Company are deposits, borrowings, repayments and maturities of loans and investment securities, securities sold under agreements to repurchase, as well as funds provided from operations. Certificates of deposit scheduled to mature in one year or less at September 30, 2011 totaled $2.1 billion. Based on past experience, management believes that a significant portion of maturing deposits will remain with the Company. Additionally, the majority of the investment security portfolio is classified by the Company as available-for-sale which provides the ability to liquidate securities as needed. Due to the relatively short planned duration of the investment security portfolio, the Company continues to experience significant cash flows on a normal basis.

Total cash inflows totaled $132.6 million for the nine months ended September 30, 2011, a decrease of $595.7 million from net cash inflow of $728.3 million for the nine months ended September 30, 2010.

The following table summarizes the Company’s cash flows for the periods indicated.

CASH FLOW ACTIVITY BY TYPE

	Nine Months Ended
(dollars in thousands)	September 30, 2011			September 30, 2010
Cash flow used in operations	$	(14,146	)	$	(2,062	)
Cash flow provided by investing activities		215,462			283,151
Cash flow (used in) provided by financing activities		(68,706	)		447,196
Net increase in cash and cash equivalents	$	132,610		$	728,285

The Company had operating cash outflow of $14.1 million during the nine months ended September 30, 2011, $12.1 million more than the same period of 2010. Operating cash flow in the current year was positively affected by net income of $37.1 million, but was negatively impacted by a net increase in assets during the current nine-month period. The operating cash flow in 2010 was positively affected by a decrease in other assets (primarily fed funds sold) from the prior year.

Cash flow from investing activities decreased $67.7 million during the nine months ended September 30, 2011 when compared to the same period of 2010, primarily due to a decrease in cash reimbursements from the FDIC of $180.2 million and a net cash outflow from loans of $322.2 million, $515.2 million higher than for the same period of 2010. Operating cash flow in 2011 was positively affected, however, by net cash inflow for investment security purchases. For the nine months ended September 30, 2011, net cash inflow from investment security activity was $296.2 million, $549.9 million higher than in the same period of 2010. During 2010, the Company used a portion of its available cash to invest in higher-yielding earning assets. Also positively affecting current year cash flow was net cash received in excess of cash paid for acquisitions of $80.5 million, $56.4 million higher than in 2010, and proceeds from the disposition of OREO properties.

Net financing cash flows decreased $515.9 million during the nine months ended September 30, 2011 when compared to 2010, primarily due to a decrease in cash from customer deposits that results in a $359.9 million difference in net deposit cash flow between the two periods. The decrease in customer deposits during 2011 was primarily the result of the maturities of higher-priced certificates of deposit that were not renewed. These deposits were located primarily in the Company’s Florida markets and were acquired in the 2009 and 2010 Florida acquisitions. Also contributing to the difference in financing cash flows were proceeds received from the Company’s common stock offering in March 2010 of $329.0 million. The Company’s issuance of shares for the OMNI and Cameron acquisitions in 2011 had no effect on cash flow. Financing cash flow in 2010 was negatively affected, however, by the repayment of $363.2 million in long-term debt, $324.6 million higher than the same period of 2011.

Despite a decrease in total cash and cash equivalents from September 31, 2010, the Company believes it has adequate liquidity to fund ongoing operations. The Company generated inflows of cash for the nine months ended September 30, 2011, and the decrease in cash and cash equivalents from one year ago is a strategic move by the Company to invest available funds in higher yielding investment vehicles, namely investment securities and loans, and pay down short- and long-term debt when it is advantageous. The Company has adequate availability of funds from deposits, borrowings, repayments and maturities of loans and investment securities to provide the Company working capital.

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While scheduled cash flows from the amortization and maturities of loans and securities are relatively predictable sources of funds, deposit flows and prepayments of loan and investment securities are greatly influenced by general interest rates, economic conditions and competition. The FHLB of Dallas provides an additional source of liquidity to make funds available for general requirements and also to assist with the variability of less predictable funding sources. At September 30, 2011, the Company had $295.4 million of outstanding advances from the FHLB of Dallas. Additional advances available at September 30, 2011 from the FHLB amounted to $1.2 billion. The Company and IBERIABANK also have various funding arrangements with commercial banks providing up to $115.0 million in the form of federal funds and other lines of credit. At September 30, 2011, there was no balance outstanding on these lines and all of the funding was available to the Company.

Liquidity management is both a daily and long-term function of business management. Excess liquidity is generally invested in short-term investments such as overnight deposits. On a longer-term basis, the Company maintains a strategy of investing in various lending and investment security products. The Company uses its sources of funds primarily to meet its ongoing commitments and fund loan commitments. The Company has been able to generate sufficient cash through its deposits, as well as borrowings, and anticipates it will continue to have sufficient funds to meet its ongoing liquidity requirements.

ASSET/ LIABILITY MANAGEMENT AND MARKET RISK

The principal objective of the Company’s asset and liability management function is to evaluate the interest rate risk included in certain balance sheet accounts, determine the appropriate level of risk given the Company’s business focus, operating environment, capital and liquidity requirements and performance objectives, establish prudent asset concentration guidelines and manage the risk consistent with Board approved guidelines. Through such management, the Company seeks to reduce the vulnerability of its operations to changes in interest rates. The Company’s actions in this regard are taken under the guidance of the Senior Management Planning Committee. The Senior Management Planning Committee normally meets monthly to review, among other things, the sensitivity of the Company’s assets and liabilities to interest rate changes, local and national market conditions and interest rates. In connection therewith, the Senior Management Planning Committee generally reviews the Company’s liquidity, cash flow needs, maturities of investments, deposits, borrowings and capital position.

The objective of interest rate risk management is to control the effects that interest rate fluctuations have on net interest income and on the net present value of the Company’s earning assets and interest-bearing liabilities. Management and the Board are responsible for managing interest rate risk and employing risk management policies that monitor and limit this exposure. Interest rate risk is measured using net interest income simulation and asset/liability net present value sensitivity analyses. The Company uses financial modeling to measure the impact of changes in interest rates on the net interest margin and predict market risk. Estimates are based upon numerous assumptions including the nature and timing of interest rate levels including yield curve shape, prepayments on loans and securities, deposit decay rates, pricing decisions on loans and deposits, reinvestment/replacement of asset and liability cash flows and others. These analyses provide a range of potential impacts on net interest income and portfolio equity caused by interest rate movements.

Included in the modeling are instantaneous parallel rate shift scenarios that are utilized to establish exposure limits. These scenarios are known as “rate shocks” because all rates are modeled to change instantaneously by the indicated shock amount, rather than a gradual rate shift over a period of time that has traditionally been more realistic.

The Company’s interest rate risk model indicated that the Company was slightly asset sensitive in terms of interest rate sensitivity. Based on the Company’s interest rate risk model at September 30, 2011, the table below illustrates the impact of an immediate and sustained 100 and 200 basis point increase or decrease in interest rates on net interest income.

CHANGE IN NET INTEREST INCOME FROM INTEREST RATE CHANGES

Shift in Interest Rates (in bps)	% Change in Projected Net Interest Income
+200		4.4	%
+100		2.0
- 100		0.3
- 200		0.3

The influence of using the forward curve as of September 30, 2011 as a basis for projecting the interest rate environment would approximate a 0.8% increase in net interest income. The computations of interest rate risk shown above do not necessarily include certain actions that management may undertake to manage this risk in response to anticipated changes in interest rates.

The rate environment is a function of the monetary policy of the FRB. The principal tools of the FRB for implementing monetary policy are open market operations, or the purchases and sales of U.S. Treasury and federal agency securities. The FRB’s objective for open market operations has varied over the years, but the focus has gradually shifted toward attaining a specified level of the federal funds rate to achieve the long-run goals of price stability and sustainable economic growth. The federal funds rate is the basis for overnight funding and drives the short end of the yield curve. Longer maturities are influenced by FRB purchases and sales and also expectations of monetary

78

policy going forward. The FRB began to increase the targeted level for the federal funds rate in June 2004 after reaching a then-low of 1.00% in mid-2003. The targeted fed funds rate decreased three times in 2007 by 100 total basis points and ended 2007 at 4.25%. In response to growing concerns about the banking industry and customer liquidity, the fed funds rate decreased seven times to a new all-time low of 0.25% at the end of 2008. The fed funds rate remained at 0.25% through September 30, 2011. The decrease in the fed funds rate has resulted in compressed net interest margin for the Company, as assets have repriced more quickly than the Company’s liabilities. Although management believes that the Company is not significantly affected by changes in interest rates over an extended period of time, any flattening of the yield curve will exert downward pressure on the net interest margin and net interest income.

As part of its asset/liability management strategy, the Company has emphasized the origination of commercial and consumer loans, which typically have shorter terms than residential mortgage loans and/or adjustable or variable rates of interest. The majority of fixed-rate, long-term residential loans are sold in the secondary market to avoid assumption of the rate risk associated with longer duration assets in the current low rate environment. As of September 30, 2011, 49% of the Company’s total loan portfolio had adjustable interest rates. IBERIABANK had no significant concentration to any single loan component or industry segment.

The Company’s strategy with respect to liabilities in recent periods has been to emphasize transaction accounts, particularly noninterest or low interest-bearing transaction accounts, which are not sensitive to changes in interest rates. At September 30, 2011, 70.3% of the Company’s deposits were in transaction and limited-transaction accounts, compared to 64.1% at December 31, 2010. Noninterest-bearing transaction accounts totaled 15.4% of total deposits at September 30, 2011, compared to 11.1% of total deposits at December 31, 2010.

As part of an overall interest rate risk management strategy, off-balance sheet derivatives may also be used as an efficient way to modify the repricing or maturity characteristics of on-balance sheet assets and liabilities. Management may from time to time engage in interest rate swaps to effectively manage interest rate risk. The interest rate swaps of the Company were executed to modify net interest sensitivity to levels deemed appropriate.

IMPACT OF INFLATION AND CHANGING PRICES

The consolidated financial statements and related financial data presented herein have been prepared in accordance with generally accepted accounting principles, which generally require the measurement of financial position and operating results in terms of historical dollars, without considering changes in relative purchasing power over time due to inflation. Unlike most industrial companies, the majority of the Company’s assets and liabilities are monetary in nature. As a result, interest rates generally have a more significant impact on the Company’s performance than does the effect of inflation. Although fluctuations in interest rates are neither completely predictable nor controllable, the Company regularly monitors its interest rate position and oversees its financial risk management by establishing policies and operating limits. Interest rates do not necessarily move in the same direction or in the same magnitude as the prices of goods and services, since such prices are affected by inflation to a larger extent than interest rates. Although not as critical to the banking industry as to other industries, inflationary factors may have some impact on the Company’s growth, earnings, total assets and capital levels. Management does not expect inflation to be a significant factor in 2011.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

Quantitative and qualitative disclosures about market risk are presented at December 31, 2010 in Part II, Item 7A of the Company’s Annual Report on Form 10-K, filed with the Securities and Exchange Commission on March 4, 2011. Additional information at September 30, 2011 is included herein under Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations”.

Item 4. Controls and Procedures

An evaluation of the effectiveness of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15e of the Securities Exchange Act of 1934) as of September 30, 2011 was carried out under the supervision, and with the participation of, the Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”). Based on that evaluation, the CEO and CFO have concluded that the Company’s disclosure controls and procedures are effective in alerting them in a timely manner to material information required to be disclosed by the Company in reports that it files or submits under the Securities Exchange Act of 1934 (the “Exchange Act”).

Disclosure controls and procedures are designed to ensure that information required to be disclosed in reports filed by the Company under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls are also designed with the objective of ensuring that such information is accumulated and communicated to the Company’s management, including the CEO and the CFO, as appropriate, to allow timely decisions regarding required disclosures. Disclosure controls include review of internal controls that are designed to provide reasonable assurance that transactions are properly authorized, assets are safeguarded against unauthorized or improper use and transactions are properly recorded and reported. There was no significant change in the Company’s internal controls over financial reporting during the last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the internal control over financial reporting.

Any control system, no matter how well conceived and operated, can provide only reasonable assurance that its objectives are achieved. The design of a control system inherently has limitations, including the controls’ cost relative to their benefits. Additionally, controls can be circumvented. No cost-effective control system can provide absolute assurance that all control issues and instances of fraud, if any, will be detected.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

See “Legal Proceedings” in Note 12 – Commitments and Contingencies” to the Unaudited Consolidated Financial Statements, which is incorporated by reference in this Item I, for litigation disclosure that supplements the “Legal Proceedings” disclosure in Note 20 – Commitments and Contingencies to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010.

Item 1A. Risk Factors

The following risk factor contains information concerning factors that could materially affect the Company’s business’ financial condition or future results. The risk factor that is described below and those that are discussed in Item 1A to Part 1 of the Company’s Annual Report on Form 10-K for the year ended December 31, 2010 should be considered carefully in evaluating the Company’s overall risk profile. Additional risks not presently known, or that we currently deem immaterial, also may have a material adverse affect on the Company’s business, financial condition or results of operations.

A failure in our operational systems or infrastructure, or those of third parties, could impair our liquidity, disrupt our businesses, result in the unauthorized disclosure of confidential information, damage our reputation and cause financial losses.

Our businesses are dependent on their ability to process and monitor, on a daily basis, a large number of transactions, many of which are highly complex, across numerous and diverse markets. These transactions, as well as the information technology services we provide to clients, often must adhere to client-specific guidelines, as well as legal and regulatory standards. Due to the breadth of our client base and our geographical reach, developing and maintaining our operational systems and infrastructure is challenging, particularly as a result of rapidly evolving legal and regulatory requirements and technological shifts. Our financial, accounting, data processing or other operating systems and facilities may fail to operate properly or become disabled as a result of events that are wholly or partially beyond our control, such as a spike in transaction volume, cyber attack or other unforeseen catastrophic events, which may adversely affect our ability to process these transactions or provide services.

In addition, our operations rely on the secure processing, storage and transmission of confidential and other information on our computer systems and networks. Although we take numerous protective measures to maintain the confidentiality, integrity and availability of our and our clients’ information across all geographic and product lines, and endeavor to modify these protective measures as circumstances warrant, the nature of the threats continues to evolve. As a result, our computer systems, software and networks may be vulnerable to unauthorized access, loss or destruction of data (including confidential client information), account takeovers, unavailability of service, computer viruses or other malicious code, cyber attacks and other events that could have an adverse security impact. Despite the defensive measures we take to manage our internal technological and operational infrastructure, these threats may originate externally from third parties, such as foreign governments, organized crime and other hackers, and outsource or infrastructure-support providers and application developers, or the threats may originate from within our organization. Given the increasingly high volume of our transactions, certain errors may be repeated or compounded before they can be discovered and rectified.

We also face the risk of operational disruption, failure, termination or capacity constraints of any of the third parties that facilitate our business activities, including exchanges, clearing agents, clearing houses or other financial intermediaries. Such parties could also be the source of an attack on, or breach of, our operational systems, data or infrastructure. In addition, as interconnectivity with our clients grows, we increasingly face the risk of operational failure with respect to our clients’ systems.

Although we have not experienced a cyber incident, if one or more of these events occurs, it could potentially jeopardize the confidential, proprietary and other information processed and stored in, and transmitted through, our computer systems and networks, or otherwise cause interruptions or malfunctions in our, as well as our clients’ or other third parties’ operations, which could result in damage to our reputation, substantial costs, regulatory penalties and/or client dissatisfaction or loss. Potential costs of a cyber incident may include, but would not be limited to, remediation costs, increased protection costs, lost revenue from the unauthorized use of proprietary information or the loss of current and/or future customers, and litigation.

We maintain an insurance policy which we believe provides sufficient coverage at a manageable expense for an institution of our size and scope with similar technological systems. However, we cannot assure that this policy would be sufficient to cover all financial losses, damages, penalties, including lost revenues, should we experience any one or more of our or a third party’s systems failing or experiencing attack.

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

(c) Issuer Purchases of Equity Securities

	2011
									(d)
									Maximum
						(c)			Number of Shares
	(a)			(b)		Total Number of			Available for
	Total Number of Shares			Average Price Paid		Shares Purchased as Part of Publicly			Purchase Pursuant to Publicly Announced
Period (1)	Purchased (2)			Per Share (3)		Announced Plan			Plan
July 1-31		—		$	—		—			—
August 1-31		331,291	(4)		46.03		331,291	(4)		568,709	(4)
September 1-30		568,709			45.96		568,709			—
Total		900,000		$	45.98		900,000			—

⁽¹⁾  Information is based on settlement dates of repurchase transactions.

⁽²⁾  Consists of shares of the Company’s common stock, par value $1.00 per share. All repurchases were made pursuant to a previously-announced program (see note 4 below). Stock purchases generally are affected through open market purchases, and may be made through unsolicited negotiated transactions.

⁽³⁾  Includes commissions paid.

⁽⁴⁾  On August 2, 2011, the Company announced that its Board of Directors had authorized a stock repurchase program for up to 900,000 shares of the Company’s common stock from time to time on the open market or in privately negotiated transactions. The stock repurchase program was completed during the quarter ended September 30, 2011.

On October 26, 2011, the Company announced a new share repurchase program for up to 900,000 shares of common stock. Share repurchases under this program will be made from time to time, on the open market or in privately negotiated transactions, at the discretion of management of the Company. The timing of these repurchases will depend on market conditions and other requirements. Consistent with prior share repurchase programs, the Company currently anticipates the share repurchase program will extend over a one-year frame, or earlier if the shares have been repurchased. The share repurchase program does not obligate the Company to repurchase any dollar amount or number of shares, and the program may be extended, modified, suspended or discontinued at any time.

Item 3. Defaults Upon Senior Securities

Not Applicable.

Item 4. (Removed and Reserved)

Item 5. Other Information

None

Item 6. Exhibits

Exhibit No. 31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
Exhibit No. 31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

82

Exhibit No. 32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
Exhibit No. 32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes- Oxley Act of 2002.
Exhibit No. 101.INS	XBRL Instance Document.
Exhibit No. 101.SCH	XBRL Taxonomy Extension Schema.
Exhibit No. 101.CAL	XBRL Taxonomy Extension Calculation Linkbase.
Exhibit No. 101.DEF	XBRL Taxonomy Extension Definition Linkbase.
Exhibit No. 101.LAB	XBRL Taxonomy Extension Label Linkbase.
Exhibit No. 101.PRE	XBRL Taxonomy Extension Presentation Linkbase.

83

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, thereunto duly authorized.

		IBERIABANK Corporation
Date:	November 9, 2011	By:	/s/ Daryl G. Byrd
		Daryl G. Byrd
		President and Chief Executive Officer
Date:	November 9, 2011	By:	/s/ Anthony J. Restel
		Anthony J. Restel
		Senior Executive Vice President and Chief Financial Officer

84

EX-31.1

Exhibit 31.1

CERTIFICATIONS

SECTION 302 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

I, Daryl G. Byrd, President and Chief Executive Officer of IBERIABANK Corporation, certify that:

1. I have reviewed this quarterly report on Form 10-Q of IBERIABANK Corporation;

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 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 officers 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:	November 9, 2011	/s/ Daryl G. Byrd
		Daryl G. Byrd
		President and Chief Executive Officer

EX-31.2

Exhibit 31.2

SECTION 302 CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Anthony J. Restel, Senior Executive Vice President and Chief Financial Officer of IBERIABANK Corporation, certify that:

1. I have reviewed this quarterly report on Form 10-Q of IBERIABANK Corporation;

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 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 officers 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:	November 9, 2011	/s/ Anthony J. Restel
		Anthony J. Restel
		Senior Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of IBERIABANK Corporation (the “Company”) on Form 10-Q for the period ended September 30, 2011 (the “Report”), I, Daryl G. Byrd, President and Chief Executive Officer of the Company, certify that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of and for the periods covered in the Report.

/s/ Daryl G. Byrd

Daryl G. Byrd

President and Chief Executive Officer

November 9, 2011

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request. The information furnished herein shall not be deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of IBERIABANK Corporation (the “Company”) on Form 10-Q for the period ended September 30, 2011 (the “Report”), I, Anthony J. Restel, Senior Executive Vice President and Chief Financial Officer of the Company, certify that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of and for the periods covered in the Report.

/s/ Anthony J. Restel

Anthony J. Restel

Senior Executive Vice President and Chief Financial Officer

November 9, 2011

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request. The information furnished herein shall not be deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

XML

Fair Value Measurements (Gains And Losses Included In Earnings Related To Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011
Noninterest Income [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total gains (losses) included in earnings (or changes in net assets)	$ 2,630
Other Comprehensive Income [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in unrealized gains (losses) relating to assets still held at September 30, 2011	$ 8,535

XML

Loans Receivable (Schedule Of Non-Covered Loans On Nonaccrual Status) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Loans Receivable [Line Items]
Total loans on nonaccrual status	$ 110,694	$ 49,496
Residential Mortgage Loans [Member] | Residential - Prime [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	5,823	5,916
Residential Mortgage Loans [Member] | Residential - Subprime [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status
Commercial Loans [Member] | Commercial Real Estate - Construction [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	2,948	9,837
Commercial Loans [Member] | Real Estate- Other [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	46,156	23,770
Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	44,629	1,849
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	1,058	1,046
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	8,289	5,466
Consumer Loans [Member] | Credit Card [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	494	378
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Total loans on nonaccrual status	$ 1,297	$ 1,237

XML

Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Consolidated Balance Sheets [Abstract]
Securities held to maturity, fair values	$ 286,281	$ 291,994
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	31,163,070	28,079,841
Treasury stock, shares	1,830,214	1,205,228

XML

Consolidated Statements Of Income (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Interest and Dividend Income
Loans, including fees	$ 101,142,000		$ 89,632,000		$ 309,708,000		$ 260,403,000
Mortgage loans held for sale, including fees	1,033,000		1,499,000		2,747,000		3,205,000
Investment securities:
Taxable interest	11,399,000		11,683,000		34,939,000		34,026,000
Tax-exempt interest	1,912,000		1,100,000		4,048,000		3,324,000
Accretion (amortization) of FDIC loss share receivable	(2,602,000)		(5,025,000)		(42,831,000)		(4,405,000)
Other	546,000		929,000		1,380,000		2,102,000
Total interest and dividend income	113,430,000		99,818,000		309,991,000		298,655,000
Interest Expense
Deposits	17,723,000		24,798,000		54,784,000		73,864,000
Short-term borrowings	154,000		233,000		422,000		623,000
Long-term debt	3,118,000		4,854,000		7,636,000		14,890,000
Total interest expense	20,995,000		29,885,000		62,842,000		89,377,000
Net interest income	92,435,000		69,933,000		247,149,000		209,278,000
Provision for loan losses	6,127,000		5,128,000		21,589,000		31,227,000
Net interest income after provision for loan losses	86,308,000		64,805,000		225,560,000		178,051,000
Noninterest Income
Service charges on deposit accounts	7,448,000		6,085,000		19,303,000		18,361,000
ATM/debit card fee income	3,132,000		2,562,000		9,011,000		7,444,000
Income from bank owned life insurance	924,000		726,000		2,397,000		2,153,000
Gain on sale of loans, net	13,438,000		13,518,000		31,719,000		31,517,000
Gain on acquisitions							3,781,000
Title income	4,900,000		4,852,000		13,202,000		13,368,000
Broker commissions	2,501,000		2,320,000		7,767,000		5,204,000
Other income	4,777,000		6,718,000		13,004,000		14,009,000
Total noninterest income	37,120,000		36,781,000		96,403,000		95,837,000
Noninterest Expense
Salaries and employee benefits	52,679,000		40,932,000		142,356,000		116,323,000
Occupancy and equipment	14,017,000		8,779,000		35,196,000		24,493,000
Franchise and shares tax	1,156,000		669,000		3,155,000		2,165,000
Communication and delivery	3,327,000		2,331,000		8,350,000		7,095,000
Marketing and business development	2,170,000		1,545,000		6,974,000		4,483,000
Data processing	2,988,000		2,969,000		10,762,000		9,130,000
Printing, stationery and supplies	820,000		728,000		2,457,000		2,239,000
Amortization of acquisition intangibles	1,385,000		1,316,000		3,737,000		3,595,000
Professional services	3,427,000		2,321,000		10,782,000		10,066,000
Other expenses	17,597,000		18,781,000		50,235,000		43,556,000
Total noninterest expense	99,566,000		80,371,000		274,004,000		223,147,000
Income before income tax expense	23,862,000		21,215,000		47,959,000		50,741,000
Income tax expense	6,563,000		7,275,000		10,827,000		14,958,000
Net Income	17,299,000		13,940,000		37,132,000		35,783,000
Earnings Available to Shareholders - Basic	17,299,000		13,940,000		37,132,000		35,783,000
Earnings Allocated to Unvested Restricted Stock	(307,000)		(288,000)		(682,000)		(716,000)
Earnings Available to Shareholders - Diluted	$ 16,992,000		$ 13,652,000		$ 36,450,000		$ 35,067,000
Earnings per share - Basic	$ 0.58	[1]	$ 0.52	[1]	$ 1.31	[1]	$ 1.41	[1]
Earnings per share - Diluted	$ 0.58		$ 0.52		$ 1.31		$ 1.40
Cash dividends declared per common share	$ 0.34		$ 0.34		$ 1.02		$ 1.02

[1] Total earnings available to common shareholders include distributed earnings of $9,794,000, or $0.33 per weighted average share, and undistributed earnings of $7,194,000, or $0.25 per weighted average share for the three months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $8,947,000, or $0.34 per weighted average share, and undistributed earnings of $4,704,000, or $0.18 per weighted average share for the three months ended September 30, 2010. Total earnings available to common shareholders include distributed earnings of $28,870,000, or $1.04 per weighted average share, and undistributed earnings of $7,567,000, or $0.27 per weighted average share for the nine months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $26,817,000 or $1.08 per weighted average share, and undistributed earnings of $8,247,000, or $0.33 per weighted average share for the nine months ended September 30, 2010.

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Share-Based Compensation (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011 years	Sep. 30, 2010
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Share based compensation maximum option term	10
Future awards shares under approved incentive compensation plans	1,073,695
Excess tax benefit as financing cash inflows	$ 1,416,000	$ 615,000
Net cash proceeds from exercise of stock options	5,978,000	1,406,000
Unrecognized compensation cost related to stock options expected to be recognized over a weighted-average period	3.3
Aggregate intrinsic value of shares underlying outstanding stock options	4,439,000
Aggregate intrinsic value of shares underlying exercisable stock options	4,414,000
Total intrinsic value of options exercised	5,291,000
Weighted average grant date fair value of the restricted stock granted	$ 56.17	$ 59.28
Minimum vesting period	one-and-a half
Maximum vesting period	seven
Compensation expense based on the number of share equivalents vested	928,000	176,000
Current market price of common stock	$ 47.06	$ 49.98
Phantom Stock Awards [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Minimum vesting period	five
Maximum vesting period	seven
Stock Options [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock options	4,474,000
Unearned share-based compensation associated with awards	4,474,000
Restricted Stock [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock options	24,092,000
Unearned share-based compensation associated with awards	$ 24,092,000
Maximum [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Unearned compensation vesting period	7
Minimum [Member]
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]
Unearned compensation vesting period	3

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Loans Receivable (Summary Of Changes In Accretable Yields Of Acquired Loans) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Loans Receivable [Line Items]
Balance, beginning of period	$ 708,571	$ 229,584
Acquisition		11,050
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions	(52,683)	(55,564)
Net transfers from (to) nonaccretable difference to accretable yield	(190,415)
Transfers from nonaccretable difference to accretable yield		776,071
Accretion	(122,431)	(102,386)
Balance, end of period	343,042	858,755
Acquired Impaired Loans [Member]
Loans Receivable [Line Items]
Balance, beginning of period	82,381	6,598
Acquisition		207
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions	(18,682)	(19,758)
Net transfers from (to) nonaccretable difference to accretable yield	56,417
Transfers from nonaccretable difference to accretable yield		158,705
Accretion	(30,629)	(13,051)
Balance, end of period	89,487	132,701
Acquired Performing Loans [Member]
Loans Receivable [Line Items]
Balance, beginning of period	626,190	222,986
Acquisition		10,843
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions	(34,001)	(35,806)
Net transfers from (to) nonaccretable difference to accretable yield	(246,832)
Transfers from nonaccretable difference to accretable yield		617,366
Accretion	(91,802)	(89,335)
Balance, end of period	$ 253,555	$ 726,054

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Fair Value Of Financial Instruments (Estimated Fair Values And Carrying Amounts Of Financial Instruments) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010	Dec. 31, 2009
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 470,388	$ 337,778	$ 903,682	$ 175,397
FDIC loss share receivable	601,862	726,871
Derivative instruments	30,218
Deposits	9,190,029	7,915,106
Short-term borrowings	214,824	220,328
Long-term debt	461,982	432,251
Derivative instruments	32,265
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	470,388	337,778
Investment securities	2,057,360	2,019,814
Loans and loans held for sale	7,358,050	6,119,237
FDIC loss share receivable	601,862	726,871
Derivative instruments	30,218	37,320
Accrued interest receivable	35,583	34,250
Deposits	9,190,029	7,915,106
Short-term borrowings	214,824	220,328
Long-term debt	461,982	432,251
Derivative instruments	32,265	22,904
Accrued interest payable	7,103	8,583
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	470,388	337,778
Investment securities	2,063,108	2,021,788
Loans and loans held for sale	7,726,704	6,362,961
FDIC loss share receivable	335,777	392,484
Derivative instruments	30,218	37,320
Accrued interest receivable	35,583	34,250
Deposits	9,184,965	7,764,569
Short-term borrowings	214,824	220,328
Long-term debt	425,545	441,902
Derivative instruments	32,265	22,904
Accrued interest payable	$ 7,103	$ 8,583

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Acquisition Activity (Tables)

9 Months Ended

Sep. 30, 2011

Supplemental Pro Forma Information

(dollars in thousands, except per share data)	2011		2010
Interest and noninterest income	$	440,337	$	461,142
Net income		39,646		44,239
Earnings per share – basic		1.34		1.55
Earnings per share – diluted		1.33		1.54

Omni Bancshares, Inc [Member]

Schedule Of Business Acquisitions By Acquisition, Equity Interest Issued Or Issuable

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		698,768	$	41,053
Options issued		41,979		513
Total Equity Consideration			$	41,566
Non-Equity Consideration
Change in Control Payments			$	4,832
Cash				9
Total Non-Equity Consideration			$	4,841
Total Consideration Paid			$	46,407
Fair Value of Net Liabilities Assumed including Identifiable Intangible Assets				(18,164	)
Goodwill			$	64,571

Schedule Of Business Acquisitions, By Acquisition

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	54,683	$	—		$	54,683
Investment securities		91,808		(789	) (a)		91,019
Loans		503,695		(36,761	) (b)		466,934
Other real estate owned		24,759		(2,843	) (c)		21,916
Core deposit intangible		—		829	(d)		829
Other assets		56,872		(11,571	) (e)		45,301
Total Assets	$	731,817	$	(51,135	)	$	680,682
Liabilities
Interest-bearing deposits		504,615		1,812	(f)		506,427
Noninterest-bearing deposits		129,181		—			129,181
Borrowings		58,168		196	(g)		58,364
Other liabilities		3,971		903	(h)		4,874
Total Liabilities	$	695,935	$	2,911		$	698,846

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of OMNI's investments to their estimated fair value based on fair values on the date of acquisition.

(b) The adjustment represents the write down of the book value of OMNI's loans to their estimated fair value based on current interest rates and expected cash flows which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the write down of the book value of OMNI's OREO properties to their estimated fair value at the acquisition date based on their appraised value, as adjusted for costs to sell.

(d) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(e) The adjustment represents the write down of the book value of OMNI's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(f) The adjustment is necessary because the weighted average interest rate of OMNI's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense over the life of the portfolio, which is estimated at 60 months.

(g) The adjustment is necessary because the interest rate of OMNI's fixed rate borrowings exceeded current interest rates on similar borrowings.

(h) The adjustment is necessary because the fair value of the Company's liability under assumed lease agreements from OMNI is lower than the total cash payments remaining under the existing leases.

Cameron Bancshares, Inc [Member]

Schedule Of Business Acquisitions By Acquisition, Equity Interest Issued Or Issuable

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		2,384,461	$	140,087
Options issued		—		—
Total Equity Consideration			$	140,087
Non-Equity Consideration
Change in Control Payments			$	3,144
Cash				10
Total Non-Equity Consideration			$	3,154
Total Consideration Paid			$	143,241
Fair Value of Net Assets Acquired including Identifiable Intangible Assets				91,945
Goodwill			$	51,296

Schedule Of Business Acquisitions, By Acquisition

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	29,191	$	—		$	29,191
Investment securities		223,720		(35	) (a)		223,685
Loans		404,618		6,610	(b)		411,228
Other real estate owned		710		—			710
Core deposit intangible		—		5,178	(c)		5,178
Other assets		44,525		(4,175	) (d)		40,350
Total Assets	$	702,764	$	7,578		$	710,342
Liabilities
Interest-bearing deposits		402,090		818	(e)		402,908
Noninterest-bearing deposits		164,363		—			164,363
Borrowings		46,804		2,198	(f)		49,002
Other liabilities		2,124		—			2,124
Total Liabilities	$	615,381	$	3,016		$	618,397

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of Cameron's investments to their estimated fair value based on fair values on the date of acquisition which includes an estimate of expected future loan losses.

(b) The adjustment represents the write up of the book value of Cameron's loans to their estimated fair value based on current interest rates and expected cash flows, which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(d) The adjustment represents the write down of the book value of Cameron's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(e) The adjustment is necessary because the weighted average interest rate of Cameron's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense on a declining basis over the life of the portfolio, which is estimated at 69 months.

(f) The adjustment is necessary because the interest rate of Cameron's fixed rate borrowings exceeded current interest rates on similar borrowings.

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Fair Value Measurements (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Fair Value Measurements [Abstract]
Conforming mortgage loans held for sale	$ 131,726,000		$ 131,726,000
Mortgage loans held for sale, balance	131,726,000		131,726,000		83,905,000
OREO and foreclosed property	123,307,000		123,307,000		69,217,000
Property write-downs included in earnings	2,486,000	698,000	6,258,000	2,606,000
Available for sale securities with a market value transfer from Level 1 to Level 2			49,107,000
Number of securities issued and included in Level 1	4		4
Impaired non-covered loans with an outstanding balance	18,386,000		18,386,000
Reserve in allowance for loan losses	$ 3,527,000		$ 3,527,000

XML

Document And Entity Information	9 Months Ended
	Sep. 30, 2011	Nov. 04, 2011
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Entity Registrant Name	IBERIABANK CORP
Entity Central Index Key	0000933141
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		29,355,092

XML

Loans Receivable (Schedule Of Non-Covered Loans Outstanding) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Loans Receivable [Line Items]
Total loans, net of unearned income	$ 5,848,559	$ 4,452,585
Non-Covered Loans [Member] | Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	305,265	369,986
Non-Covered Loans [Member] | Residential Mortgage Loans [Member] | Residential 1-4 Family [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	288,009	355,164
Non-Covered Loans [Member] | Residential Mortgage Loans [Member] | Construction/ Owner Occupied [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	17,256	14,822
Non-Covered Loans [Member] | Commercial Loans [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	4,310,372	3,123,096
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	2,575,603	1,781,744
Non-Covered Loans [Member] | Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	1,734,769	1,341,352
Non-Covered Loans [Member] | Consumer Loans [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	1,232,922	959,503
Non-Covered Loans [Member] | Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	260,002	255,322
Non-Covered Loans [Member] | Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	779,925	555,749
Non-Covered Loans [Member] | Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	192,995	148,432
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	260,002	255,322
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	779,925	555,749
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	148,286	105,516
Non-Covered Loans [Member]
Loans Receivable [Line Items]
Total loans, net of unearned income	$ 5,848,559	$ 4,452,585

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Allowance For Loan Losses And Credit Quality (Tables)

9 Months Ended

Sep. 30, 2011

Schedule Of Allowance For Loan Losses For Covered And Non-Covered Loan Portfolio

(dollars in thousands)	2011			2010
Balance, beginning of period	$	136,100		$	55,768
Provision charged to operations		21,589			31,227
Provision recorded through FDIC loss share receivable		30,184			61,494
Decrease in balance for transfer of covered loans to OREO		(9,719	)		—
Loans charged-off		(9,916	)		(23,335	)
Recoveries		7,082			6,799
Balance, end of period	$	175,320		$	131,954

(dollars in thousands)	September 30, 2011
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	73,640		$	62,460		$	136,100
Provision for loan losses before benefit attributable to FDIC loss share agreements		34,418			17,355			51,773
Benefit attributable to FDIC loss share agreements		(30,184	)		—			(30,184	)
Net provision for loan losses		4,234			17,355			21,589
Increase in FDIC loss share Receivable or discount		30,184			—			30,184
Transfer of balance to OREO		(9,719	)		—			(9,719	)
Loans charged-off		(399	)		(9,517	)		(9,916	)
Recoveries		516			6,566			7,082
Balance, end of period	$	98,456		$	76,864		$	175,320

(dollars in thousands)	September 30, 2010
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	145		$	55,623		$	55,768
Provision for loan losses before benefit attributable to FDIC loss share agreements		70,722			21,999			92,721
Benefit attributable to FDIC loss share agreements		(61,494	)		—			(61,494	)
Net provision for loan losses		9,228			21,999			31,227
Increase in FDIC loss share receivable		61,494			—			61,494
Loans charged-off		(1,018	)		(22,317	)		(23,335	)
Recoveries		728			6,071			6,799
Balance, end of period	$	70,578		$	61,376		$	131,954

Schedule Of Allowance For Loan Losses For Non-Covered Loans, By Loan Portfolio

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	31,390		$	16,473		$	13,332		$	1,265		$	—	$	62,460
(Reversal of) Provision for loan losses		6,279			6,924			4,681			(529	)		—		17,355
Loans charged off		(3,780	)		(385	)		(5,149	)		(203	)		—		(9,517	)
Recoveries		4,728			153			1,628			57			—		6,566
Balance, end of period		38,617			23,165			14,492			590			—		76,864
Allowance on loans individually evaluated for impairment	$	2,975		$	500		$	—		$	52		$	—	$	3,527
Allowance on loans collectively evaluated for impairment		35,642			22,665			14,492			538			—		73,337
Loans, net of unearned income
Balance, end of period	$	2,575,603		$	1,734,769		$	1,232,922		$	305,265		$	—	$	5,848,559
Balance, end of period: Loans individually evaluated for impairment		38,146			10,327			234			710			—		49,417
Balance, end of period: Loans collectively evaluated for impairment		2,537,457			1,724,442			1,232,688			304,555			—		5,799,142
Balance, end of period: Loans acquired with deteriorated credit quality		31,852			949			7,191			—			—		39,992

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	30,771		$	12,845		$	10,664		$	1,343		$	—	$	55,623
Provision for loan losses		10,902			4,028			6,423			646			—		21,999
Loans charged off		(14,411	)		(721	)		(6,472	)		(713	)		—		(22,317	)
Recoveries		4,440			81			1,480			70			—		6,071
Balance, end of period		31,702			16,233			12,095			1,346			—		61,376
Allowance on loans individually evaluated for impairment	$	524		$	907		$	—		$	—		$	—	$	1,431
Allowance on loans collectively evaluated for impairment		31,178			15,326			12,095			1,346			—		59,945
Loans, net of unearned income
Balance, end of period	$	1,712,216		$	1,234,636		$	925,841		$	406,694		$	—	$	4,279,387
Balance, end of period: Loans individually evaluated for impairment		23,743			4,819			—			—			—		28,562
Balance, end of period: Loans collectively evaluated for impairment		1,688,473			1,229,817			925,841			406,694			—		4,250,825
Balance, end of period: Loans acquired with deteriorated credit quality		663			—			—			—			—		663

Schedule Of Allowance For Loan Losses For Covered Loans, By Loan Portfolio

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	26,439		$	6,657		$	12,201		$	28,343		$	—	$	73,640
(Reversal of) Provision for loan losses		4,505			616			630			(1,517	)		—		4,234
(Decrease) Increase in FDIC loss share receivable		37,224			(1,891	)		4,139			(9,288	)		—		30,184
Transfer of balance to OREO		(6,496	)		(58	)		(1,699	)		(1,466	)				(9,719	)
Loans charged off		(334	)		—			(45	)		(20	)		—		(399	)
Recoveries		274			—			140			102			—		516
Balance, end of period		61,612			5,324			15,366			16,154			—		98,456
Allowance on loans individually evaluated for impairment	$	—		$	—		$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		61,612			5,324			15,366			16,154			—		98,456
Loans, net of unearned income
Balance, end of period	$	760,047		$	149,287		$	244,916		$	223,515		$	—	$	1,377,765
Balance, end of period: Loans individually evaluated for impairment		—			—			—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		760,047			149,287			244,916			223,515			—		1,377,765
Balance, end of period: Loans acquired with deteriorated credit quality		152,438			4,054			44,819			40,980			—		242,291

(dollars in thousands)
	Commercial Real  Estate			Commercial Business		Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	—		$	—	$	—		$	145		$	—	$	145
Provision for loan losses		3,326			1,182		2,072			2,648			—		9,228
Increase in FDIC loss share receivable		24,068			6,090		12,666			18,670			—		61,494
Loans charged off		(770	)		—		(36	)		(212	)		—		(1,018	)
Recoveries		17			697		8			6			—		728
Balance, end of period		26,641			7,969		14,710			21,257			—		70,578
Allowance on loans individually evaluated for impairment	$	—		$	—	$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		26,641			7,969		14,710			21,257			—		70,577
Loans, net of unearned income
Balance, end of period	$	771,204		$	180,452	$	304,808		$	255,527		$	—	$	1,511,991
Balance, end of period: Loans individually evaluated for impairment		—			—		—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		771,204			180,452		304,808			255,527			—		1,511,991
Balance, end of period: Loans acquired with deteriorated credit quality		17,526			6,815		56,341			45,079			—		125,761

Schedule Of Investment In Impaired Loan

(dollars in thousands)	At September 30, 2011							At December 31, 2010
	Recorded Investment		Unpaid Principal Balance		Related Allowance			Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	5,823	$	5,823	$	—		$	5,916	$	5,916	$	—
Residential – Subprime		—		—		—			—		—		—
Commercial Loans
Real Estate		72,120		72,120		—			21,539		21,539		—
Business		9,306		9,306		—			6,761		6,761		—
Consumer Loans
Indirect automobile		1,058		1,058		—			1,046		1,046		—
Credit card		494		494		—			378		378		—
Home equity		8,289		8,289		—			986		986		—
Other		1,297		1,297		—			5,713		5,713		—
With an allowance recorded
Mortgage Loans		658		710		(52	)		—		—		—
Commercial Loans
Commercial Real Estate		13,008		15,983		(2,975	)		6,532		6,738		(206	)
Business		1,193		1,693		(500	)		—		—		—
Total
Mortgage Loans		6,481		6,533		(52	)		5,916		5,916		—
Commercial Loans		95,627		99,102		(3,475	)		34,832		35,038		(206	)
Consumer Loans		11,138		11,138		—			8,122		8,122		—

(dollars in thousands)	For the Three Months Ended September 30, 2011				For the Three Months Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,011	$	7	$	4,953	$	7
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		78,036		306		29,708		90
Business		10,387		82		2,507		—
Consumer Loans
Indirect automobile		1,296		6		1,130		5
Credit card		494		—		367		—
Home equity		9,206		15		1,406		5
Other		1,925		2		4,803		1
With an allowance recorded
Mortgage		710		6		—		—
Commercial Real Estate		16,090		12		5,434		—
Business		2,869		12		4,629		—
Total
Mortgage Loans		6,721		13		4,953		7
Commercial Loans		107,382		412		42,278		90
Consumer Loans		12,921		23		7,706		11

⁽¹⁾  Interest income recognized on impaired loans represents income recognized before loans were placed on nonaccrual status.

(dollars in thousands)	For the Nine Months  Ended September 30, 2011				For the Nine Months  Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,106	$	44	$	5,225	$	74
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		58,403		1,222		30,790		324
Business		11,127		259		2,856		8
Consumer Loans
Indirect automobile		1,330		30		1,249		37
Credit card		441		—		278		—
Home equity		7,275		99		1,407		101
Other		1,612		19		5,137		20
With an allowance recorded
Mortgage		710		25		—		—
Commercial Real Estate		16,303		187		5,607		74
Business		2,951		72		4,905		39
Total
Mortgage Loans		6,816		69		5,225		74
Commercial Loans		88,784		1,740		44,158		445
Consumer Loans		10,658		148		8,071		158

Covered Loan [Member]

Investment In Covered Loans And Non-Covered Loan By Credit Quality Indicator

(dollars in thousands)	Commercial
September 30, 2011	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	63,572	$	320,582	$	82,480	$	466,634
Special Mention		18,676		77,200		4,622		100,498
Substandard		211,798		381,307		50,736		643,841
Doubtful		460		18,935		4,089		23,484
Total	$	294,506	$	798,024	$	141,927	$	1,234,457
Discount								(325,123	)
Covered commercial loans, net							$	909,334

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	248,589	$	—	$	248,589
Past due greater than 30 days		94,770		—		94,770
Total	$	343,359	$	—	$	343,359
Discount						(119,844	)
Covered mortgage loans, net					$	223,515

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	896	$	198,033	$	3,731	$	202,660
Past due greater than 30 days		—		94		116,446		10		116,550
Total	$	—	$	990	$	314,479	$	3,741	$	319,210
Discount										(74,294	)
Covered consumer loans, net									$	244,916

(dollars in thousands)	Commercial
December 31, 2010	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	144,423	$	385,910	$	126,176	$	656,509
Special Mention		27,783		104,228		7,475		139,486
Substandard		245,872		402,397		39,462		687,731
Doubtful		5,245		17,951		1,390		24,586
Total	$	423,323	$	910,486	$	174,503	$	1,508,312
Discount								(468,445	)
Covered commercial loans, net							$	1,039,867

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	294,399	$	—	$	294,399
Past Due greater than 30 days		107,744		—		107,744
Total	$	402,143	$	—	$	402,143
Discount						(140,757	)
Covered mortgage loans, net					$	261,386

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	1,079	$	230,924	$	5,439	$	237,442
Past Due greater than 30 days		—		76		142,748		837		143,661
Total	$	—	$	1,155	$	373,672	$	6,276	$	381,103
Discount										(99,609	)
Covered consumer loans, net									$	281,494

Non-Covered Loans [Member]

Investment In Covered Loans And Non-Covered Loan By Credit Quality Indicator

(dollars in thousands)	Commercial Real Estate Construction				Commercial Real Estate- Other					Commercial Business
Credit quality indicator by asset risk classification	September 30, 2011		December 31, 2010		September 30, 2011			December 31, 2010		September 30, 2011		December 31, 2010
Pass	$	253,498	$	236,830	$	2,067,674		$	1,422,506	$	1,663,092	$	1,322,977
Special Mention		34,350		17,918		101,874			25,524		39,958		7,455
Substandard		15,210		10,204		121,741			68,005		31,504		8,105
Doubtful		170		296		3,835			461		215		2,815
Total		303,228		265,248		2,295,124			1,516,496		1,734,769		1,341,352
Discount		—		—		(22,749	)		—		—		—
Non-covered commercial loans, net	$	303,228	$	265,248	$	2,272,375		$	1,516,496	$	1,734,769	$	1,341,352

	Mortgage – Prime					Mortgage- Subprime
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	297,343		$	362,366	$	—	$	—
Past due greater than 30 days		7,922			7,620		—		—
Total		305,265			369,986		—		—
Discount		—			—		—		—
Non-covered mortgage loans, net	$	305,265		$	369,986	$	—	$	—
	Indirect Automobile					Credit Card
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	257,505		$	253,109	$	43,937	$	42,298
Past due greater than 30 days		2,497			2,213		773		618
Total	$	260,002		$	255,322	$	44,710	$	42,916
	Home Equity					Consumer - Other
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	767,092		$	546,755	$	146,602	$	103,766
Past due greater than 30 days		12,993			8,994		1,684		1,750
Total		780,085			555,749		148,286		105,516
Discount		(160	)		—		—		—
Non-covered consumer loans, net	$	779,925		$	555,749	$	148,286	$	105,516

XML

Loans Receivable (Schedule Of Loans Receivable) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Loans Receivable [Line Items]
Total loans receivable	$ 7,226,324	$ 6,035,332
Commercial Loans [Member]
Loans Receivable [Line Items]
Total loans receivable	5,219,706	4,162,963
Commercial Loans [Member] | Real Estate [Member]
Loans Receivable [Line Items]
Total loans receivable	3,335,650	2,647,107
Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
Total loans receivable	1,884,056	1,515,856
Consumer Loans [Member]
Loans Receivable [Line Items]
Total loans receivable	1,477,838	1,240,997
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Total loans receivable	260,002	255,322
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Total loans receivable	1,022,134	834,840
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Total loans receivable	195,702	150,835
Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
Total loans receivable	528,780	631,372
Residential Mortgage Loans [Member] | Residential 1-4 Family [Member]
Loans Receivable [Line Items]
Total loans receivable	511,524	616,550
Residential Mortgage Loans [Member] | Construction/ Owner Occupied [Member]
Loans Receivable [Line Items]
Total loans receivable	$ 17,256	$ 14,822

XML

Share-Based Compensation (Schedule Of Share And Dividend Equivalent Share Award Activity) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010
Share-Based Compensation [Abstract]
Number of share equivalents, Beginning Balance	119,194		67,361
Dividend equivalents, Beginning Balance	3,741		1,886
Total share equivalents, Beginning Balance	122,935		69,247
Value of share equivalents, Beginning Balance	$ 5,785,000	[1]	$ 3,461,000	[1]
Number of share equivalents, Granted	126,532		55,249
Dividend equivalents, Granted	4,496		2,144
Total share equivalents, Granted	131,028		57,393
Value of share equivalents, Granted	6,166,000	[1]	2,869,000	[1]
Number of share equivalents, Forfeited share equivalents	(3,609)
Dividend equivalents, Forfeited share equivalents	(102)
Total share equivalents, Forfeited share equivalents	(3,711)
Value of share equivalents, Forfeited share equivalents	(175,000)	[1]
Number of share equivalents, Vested share equivalents	(5,808)		(1,943)
Dividend equivalents, Vested share equivalents	(378)		(261)
Total share equivalents, Vested share equivalents	(6,186)		(2,204)
Value of share equivalents, Vested share equivalents	(294,000)	[1]	(110,000)	[1]
Number of share equivalents, Ending Balance	236,309		120,667
Dividend equivalents, Ending Balance	7,757		3,769
Total share equivalents, Ending Balance	244,066		124,436
Value of share equivalents, Ending Balance	$ 11,486,000	[1]	$ 6,219,000	[1]
Market Price of Company Stock	$ 47.06		$ 49.98

[1] Except for vested share payments, which are based on the cash paid at the time of vesting, the value of share equivalents is calculated based on the market price of the Company's stock at the end of the respective periods. The market price of the Company's stock was $47.06 and $49.98 on September 30, 2011 and 2010, respectively.

XML

Investment Securities

9 Months Ended

Sep. 30, 2011

Investment Securities [Abstract]

Investment Securities

Note 5 – Investment Securities

The amortized cost and fair values of investment securities, with gross unrealized gains and losses, consist of the following:

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—	$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		368,175		6,063		(70	)		374,168
Obligations of state and political subdivisions		140,227		4,803		(723	)		144,307
Mortgage backed securities		1,228,229		27,753		(1,133	)		1,254,849
Other securities		3,390		113		—			3,503
Total securities available for sale	$	1,740,021	$	38,732	$	(1,926	)	$	1,776,827
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,248	$	2,413	$	—		$	182,661
Obligations of state and political subdivisions		71,468		2,706		(81	)		74,093
Mortgage backed securities		28,817		810		(100	)		29,527
Total securities held to maturity	$	280,533	$	5,929	$	(181	)	$	286,281
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	424,180	$	2,414	$	(3,794	)	$	422,800
Obligations of state and political subdivisions		39,896		668		(395	)		40,169
Mortgage backed securities		1,255,624		19,508		(11,263	)		1,263,869
Other securities		2,882		74		—			2,956
Total securities available for sale	$	1,722,582	$	22,664	$	(15,452	)	$	1,729,794
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,479	$	2,549	$	(68	)	$	182,960
Obligations of state and political subdivisions		75,768		480		(1,728	)		74,520
Mortgage backed securities		33,773		741		—			34,514
Total securities held to maturity	$	290,020	$	3,770	$	(1,796	)	$	291,994

Securities with carrying values of $1,567,433,000 and $1,230,358,000 were pledged to secure public deposits and other borrowings at September 30, 2011 and December 31, 2010, respectively.

Management evaluates securities for other-than-temporary impairment at least quarterly, and more frequently when economic or market concerns warrant such evaluation. Consideration is given to 1) the length of time and the extent to which the fair value has been less than amortized cost, 2) the financial condition and near-term prospects of the issuer, and 3) the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value above amortized cost. In analyzing an issuer's financial condition, management considers whether the securities are issued by the federal government or its agencies, whether downgrades by bond rating agencies have occurred, and industry analysts' reports.

Information pertaining to securities with gross unrealized losses at September 30, 2011 and December 31, 2010, aggregated by investment category and length of time that individual securities have been in a continuous loss position, follows:

	Less Than Twelve Months					Over Twelve Months					Total
	Gross					Gross					Gross
(dollars in thousands)	Unrealized			Fair		Unrealized			Fair		Unrealized			Fair
	Losses			Value		Losses			Value		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—		$	—	$	—		$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		(70	)		20,383		—			—		(70	)		20,383
Obligations of state and political subdivisions		(723	)		2,660		—			—		(723	)		2,660
Mortgage backed securities		(764	)		117,114		(369	)		29,523		(1,133	)		146,637
Total securities available for sale	$	(1,557	)	$	140,157	$	(369	)	$	29,523	$	(1,926	)	$	169,680
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	—		$	—	$	—		$	—	$	—		$	—
Obligations of state and political subdivisions		—			—		(81	)		2,747		(81	)		2,747
Mortgage backed securities		(100	)		13,670		—			—		(100	)		13,670
Total securities held to maturity	$	(100	)	$	13,670	$	(81	)	$	2,747	$	(181	)	$	16,417
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	(3,794	)	$	195,785	$	—		$	—	$	(3,794	)	$	195,785
Obligations of state and political subdivisions		(395	)		6,771		—			—		(395	)		6,771
Mortgage backed securities		(10,678	)		528,280		(585	)		20,908		(11,263	)		549,188
Total securities available for sale	$	(14,867	)	$	730,836	$	(585	)	$	20,908	$	(15,452	)	$	751,744
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	(68	)	$	7,075	$	—		$	—	$	(68	)	$	7,075
Obligations of state and political subdivisions		(1,526	)		36,646		(202	)		1,128		(1,728	)		37,774
Mortgage backed securities		—			—		—			—		—			—
Total securities held to maturity	$	(1,594	)	$	43,721	$	(202	)	$	1,128	$	(1,796	)	$	44,849

At September 30, 2011, 49 debt securities had unrealized losses of 1.1% of the securities' amortized cost basis and 0.1% of the Company's total amortized cost basis. The unrealized losses for each of the 49 securities relate to market interest rate changes. Ten of the 49 securities have been in a continuous loss position for over twelve months at September 30, 2011. These ten securities had an aggregate amortized cost basis and unrealized loss of $32,720,000 and $450,000, respectively. The ten securities were issued by either Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac) or by state and political subdivisions (Municipals). The Fannie Mae and Freddie Mac securities are rated AAA.

At December 31, 2010, 142 debt securities had unrealized losses of 2.1% of the securities' amortized cost basis and 0.9% of the Company's total amortized cost basis. The unrealized losses for each of the 142 securities relate to market interest rate changes. Ten of the 142 securities had been in a continuous loss position for over twelve months. These ten securities have an aggregate amortized cost basis and unrealized loss of $22,822,000 and $787,000, respectively. The ten securities were issued by either Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac) or by state and political subdivisions (Municipals). The Fannie Mae and Freddie Mac securities are rated AAA.

The Company assessed the nature of the losses in its portfolio as of September 30, 2011 and December 31, 2010 to determine if there are losses that are deemed other-than-temporary. In its analysis of these securities, management considered numerous factors to determine whether there were instances where the amortized cost basis of the debt securities would not be fully recoverable, including, but not limited to:

• the length of time and extent to which the fair value of the securities was less than their amortized cost,

• whether adverse conditions were present in the operations, geographic area, or industry of the issuer,

• the payment structure of the security, including scheduled interest and principal payments, including the issuer's failures to make scheduled payments, if any, and the likelihood of failure to make scheduled payments in the future,

• changes to the rating of the security by a rating agency, and

• subsequent recoveries or additional declines in fair value after the balance sheet date.

Management believes it has considered these factors, as well as all relevant information available, when determining the expected future cash flows of the securities in question. In each instance, management has determined the cost basis of the securities would be fully recoverable. Management also has the intent and ability to hold debt securities until their maturity or anticipated recovery if the security is classified as available for sale. In addition, management does not believe the Company will be required to sell debt securities before the anticipated recovery of the amortized cost basis of the security.

The amortized cost and estimated fair value by maturity of investment securities at September 30, 2011 are shown in the following table. Securities are classified according to their contractual maturities without consideration of principal amortization, potential prepayments or call options. Accordingly, actual maturities may differ from contractual maturities.

	Securities							Securities
	Available for Sale							Held to Maturity
(dollars in thousands)	Weighted Average			Amortized		Fair		Weighted Average			Amortized		Fair
	Yield			Cost		Value		Yield			Cost		Value
Within one year or less		0.89	%	$	45,113	$	45,325		1.29	%	$	21,097	$	21,254
One through five years		2.37			145,380		148,696		2.24			165,975		168,407
After five through ten years		2.57			542,546		556,387		3.23			23,126		24,227
Over ten years		2.82			1,006,982		1,026,419		3.34			70,335		72,393
Totals		2.66	%	$	1,740,021	$	1,776,827		2.53	%	$	280,533	$	286,281

The following is a summary of realized gains and losses from the sale of securities classified as available for sale.

	Three Months Ended September 30,					Nine Months Ended September 30,
(dollars in thousands)	2011			2010		2011			2010
Realized gains	$	1,213		$	4,176	$	2,640		$	5,178
Realized losses		(7	)		—		(7	)		(20	)
Net realized gains	$	1,206		$	4,176	$	2,633		$	5,158

In addition to the gains above, the Company realized certain immaterial gains on the calls of held to maturity securities.

The following is a summary of the changes in other comprehensive income ("OCI") as a result of investment portfolio activity.

	Nine Months Ended
(dollars in thousands)	September 30, 2011			September 30, 2010
Balance at beginning of period, net	$	5,310		$	10,376
Unrealized gain on securities available for sale		32,227			20,476
Other-than-temporary impairment		—			(517	)
Reclassification adjustment for net (gains) losses realized in net income		(2,633	)		(5,158	)
Net unrealized gain		29,594			14,801
Tax effect		10,358			5,180
Net of tax change		19,236			9,621
Balance at end of period, net	$	24,546		$	19,997

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Goodwill And Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2011

Goodwill And Other Intangible Assets [Abstract]

Schedule Of Carrying Amount Of Goodwill

(dollars in thousands)	Amount
Balance, December 31, 2009	$	227,080
Goodwill acquired during the year		7,148
Goodwill impairment		—
Balance, December 31, 2010	$	234,228
Goodwill acquired during the year		115,919
Goodwill impairment		—
Balance, September 30, 2011	$	350,147

Schedule Of Definite-Lived Intangible Assets

	September 30, 2011						December 31, 2010
(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposit intangibles	$	45,406	$	20,068	$	25,338	$	39,399	$	16,424	$	22,975
Customer relationship intangible asset		1,348		92		1,256		—		—		—
Mortgage servicing rights		342		193		149		345		161		184
Total	$	47,096	$	20,353	$	26,743	$	39,744	$	16,585	$	23,159

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Investment Securities (Schedule Of Amortized Cost And Estimated Fair Value By Maturity Of Investment Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2011
Investment Securities [Abstract]
Securities Available for Sale, Weighted Average Yield, Within one year or less	0.89%
Securities Available for Sale, Amortized Cost, Within one year or less	$ 45,113
Securities Available for Sale, Fair Value, Within one year or less	45,325
Securities Held to Maturity, Weighted Average Yield, Within one year or less	1.29%
Securities Held to Maturity, Amortized Cost, Within one year or less	21,097
Securities Held to Maturity, Fair Value, Within one year or less	21,254
Securities Available for Sale, Weighted Average Yield, One through five years	2.37%
Securities Available for Sale, Amortized Cost, One through five years	145,380
Securities Available for Sale, Fair Value, One through five years	148,696
Securities Held to Maturity, Weighted Average Yield, One through five years	2.24%
Securities Held to Maturity, Amortized Cost, One through five years	165,975
Securities Held to Maturity, Fair Value, One through five years	168,407
Securities Available for Sale, Weighted Average Yield, After five through ten years	2.57%
Securities Available for Sale, Amortized Cost, After five through ten years	542,546
Securities Available for Sale, Fair Value, After five through ten years	556,387
Securities Held to Maturity, Weighted Average Yield, After five through ten years	3.23%
Securities Held to Maturity, Amortized Cost, After five through ten years	23,126
Securities Held to Maturity, Fair Value, After five through ten years	24,227
Securities Available for Sale, Weighted Average Yield, Over ten years	2.82%
Securities Available for Sale, Amortized Cost, Over ten years	1,006,982
Securities Available for Sale, Fair Value, Over ten years	1,026,419
Securities Held to Maturity, Weighted Average Yield, Over ten years	3.34%
Securities Held to Maturity, Amortized Cost, Over ten years	70,335
Securities Held to Maturity, Fair Value, Over ten years	72,393
Securities Available for Sale, Weighted Average Yield, Total	2.66%
Securities Available for Sale, Amortized Cost, Totals	1,740,021
Securities Available for Sale, Fair Value, Totals	1,776,827
Securities Held to Maturity, Weighted Average Yield, Totals	2.53%
Securities Held to Maturity, Amortized Cost, Totals	280,533
Securities Held to Maturity, Fair Value, Totals	$ 286,281

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Acquisition Activity (Schedule Of Business Acquisition) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2011
Omni Bancshares, Inc [Member] | As Acquired [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	$ 54,683
Investment securities	91,808
Loans	503,695
Other real estate owned	24,759
Other assets	56,872
Total Assets	731,817
Interest-bearing deposits	504,615
Noninterest-bearing deposits	129,181
Borrowings	58,168
Other liabilities	3,971
Total Liabilities	695,935
Cameron Bancshares, Inc [Member] | As Acquired [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	29,191
Investment securities	223,720
Loans	404,618
Other real estate owned	710
Other assets	44,525
Total Assets	702,764
Interest-bearing deposits	402,090
Noninterest-bearing deposits	164,363
Borrowings	46,804
Other liabilities	2,124
Total Liabilities	615,381
Omni Bancshares, Inc [Member] | Fair Value Adjustments [Member]
Business Acquisition [Line Items]
Investment securities	(789)	[1]
Loans	(36,761)	[2]
Other real estate owned	(2,843)	[3]
Core deposit intangible	829	[4]
Other assets	(11,571)	[5]
Total Assets	(51,135)
Interest-bearing deposits	1,812	[6]
Borrowings	196	[7]
Other liabilities	903	[8]
Total Liabilities	2,911
Cameron Bancshares, Inc [Member] | Fair Value Adjustments [Member]
Business Acquisition [Line Items]
Investment securities	(35)	[9]
Loans	6,610	[10]
Core deposit intangible	5,178	[4]
Other assets	(4,175)	[11]
Total Assets	7,578
Interest-bearing deposits	818	[12]
Borrowings	2,198	[13]
Total Liabilities	3,016
Omni Bancshares, Inc [Member] | As Recorded By IBERIABANK [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	54,683
Investment securities	91,019
Loans	466,934
Other real estate owned	21,916
Core deposit intangible	829
Other assets	45,301
Total Assets	680,682
Interest-bearing deposits	506,427
Noninterest-bearing deposits	129,181
Borrowings	58,364
Other liabilities	4,874
Total Liabilities	698,846
Cameron Bancshares, Inc [Member] | As Recorded By IBERIABANK [Member]
Business Acquisition [Line Items]
Cash and cash equivalents	29,191
Investment securities	223,685
Loans	411,228
Other real estate owned	710
Core deposit intangible	5,178
Other assets	40,350
Total Assets	710,342
Interest-bearing deposits	402,908
Noninterest-bearing deposits	164,363
Borrowings	49,002
Other liabilities	2,124
Total Liabilities	$ 618,397
Omni Bancshares, Inc [Member]
Business Acquisition [Line Items]
Estimated deposit base on intangible assets (in years)	10
Estimated life of portfolio on interest expenses declining basis (in months)	60
Cameron Bancshares, Inc [Member]
Business Acquisition [Line Items]
Estimated deposit base on intangible assets (in years)	10
Estimated life of portfolio on interest expenses declining basis (in months)	69

[1] The adjustment represents the write down of the book value of OMNI's investments to their estimated fair value based on fair values on the date of acquisition.

[2] The adjustment represents the write down of the book value of OMNI's loans to their estimated fair value based on current interest rates and expected cash flows which includes an estimate of expected loan losses inherent in the portfolio.

[3] The adjustment represents the write down of the book value of OMNI's OREO properties to their estimated fair value at the acquisition date based on their appraised value, as adjusted for costs to sell.

[4] The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

[5] The adjustment represents the write down of the book value of OMNI's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

[6] The adjustment is necessary because the weighted average interest rate of OMNI's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense over the life of the portfolio, which is estimated at 60 months.

[7] The adjustment is necessary because the interest rate of OMNI's fixed rate borrowings exceeded current interest rates on similar borrowings.

[8] The adjustment is necessary because the fair value of the Company's liability under assumed lease agreements from OMNI is lower than the total cash payments remaining under the existing leases.

[9] The adjustment represents the write down of the book value of Cameron's investments to their estimated fair value based on fair values on the date of acquisition which includes an estimate of expected future loan losses.

[10] The adjustment represents the write up of the book value of Cameron's loans to their estimated fair value based on current interest rates and expected cash flows, which includes an estimate of expected loan losses inherent in the portfolio.

[11] The adjustment represents the write down of the book value of Cameron's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

[12] The adjustment is necessary because the weighted average interest rate of Cameron's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense on a declining basis over the life of the portfolio, which is estimated at 69 months.

[13] The adjustment is necessary because the interest rate of Cameron's fixed rate borrowings exceeded current interest rates on similar borrowings.

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Loans Receivable (Tables)

9 Months Ended

Sep. 30, 2011

Loans Receivable [Line Items]

Schedule Of Loans Receivable

(dollars in thousands)	September 30,		December 31,
	2011		2010
Residential mortgage loans:
Residential 1-4 family	$	511,524	$	616,550
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		528,780		631,372
Commercial loans:
Real estate		3,335,650		2,647,107
Business		1,884,056		1,515,856
Total commercial loans		5,219,706		4,162,963
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		1,022,134		834,840
Other		195,702		150,835
Total consumer loans		1,477,838		1,240,997
Total loans receivable	$	7,226,324	$	6,035,332

Schedule Of Non-Covered Loans Outstanding

(dollars in thousands)	September 30,		December 31,
	2011		2010
Non-covered Loans:
Residential mortgage loans:
Residential 1-4 family	$	288,009	$	355,164
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		305,265		369,986
Commercial loans:
Real estate		2,575,603		1,781,744
Business		1,734,769		1,341,352
Total commercial loans		4,310,372		3,123,096
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		779,925		555,749
Other		192,995		148,432
Total consumer loans		1,232,922		959,503
Total non-covered loans receivable	$	5,848,559	$	4,452,585

Schedule Of Aging Of Non-Covered Loans

	Past Due (1)
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Discount (2)			Total non- covered  loans, net of unearned income		Recorded investment > 90 days and accruing
September 30, 2011
Residential
Prime	$	239	$	1,372	$	6,311	$	7,922	$	297,343	$	—		$	305,265	$	488
Subprime		—		—		—		—		—		—			—		—
Commercial
Real Estate - Construction		3,354		100		3,060		6,514		296,714		—			303,228		112
Real Estate- Other		7,427		349		46,495		54,271		2,240,853		(22,749	)		2,272,375		340
Commercial Business		7,932		3,189		44,813		55,934		1,678,835		—			1,734,769		184
Consumer
Indirect Automobile		1,154		285		1,058		2,497		257,505		—			260,002		—
Home Equity		3,392		1,286		8,315		12,993		767,092		(160	)		779,925		25
Credit Card		167		112		494		773		43,937		—			44,710		—
Other		327		60		1,297		1,684		146,602		—			148,286		—
Total	$	23,992	$	6,753	$	111,843	$	142,588	$	5,728,880	$	(22,909	)	$	5,848,559	$	1,149

⁽¹⁾  Past due loans include loans on nonaccrual status as of the period indicated. Nonaccrual loans are presented separately in the "Nonaccrual loans" section below.

⁽²⁾  As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods. Past due information includes loans acquired from OMNI and Cameron at the gross contractual balance outstanding at September 30, 2011. Inclusion of these loans on a gross basis elevates past due balances compared to December 31, 2010 and compared to the actual carrying balance of these loans.

	Past Due
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Total loans, net of unearned income		Recorded investment > 90 days and accruing
December 31, 2010
Residential
Prime	$	421	$	1,002	$	6,196	$	7,620	$	362,366	$	369,986	$	280
Subprime		—		—		—		—		—		—		—
Commercial
Real Estate - Construction		—		486		9,850		10,336		254,912		265,248		13
Real Estate- Other		3,568		1,975		24,788		30,331		1,486,165		1,516,496		1,018
Commercial Business		406		—		1,993		2,399		1,338,953		1,341,352		144
Consumer
Indirect Automobile		1,002		165		1,046		2,213		253,109		255,322		—
Home Equity		2,406		1,122		5,466		8,994		546,755		555,749		—
Credit Card		146		94		378		618		42,298		42,916		—
Other		361		157		1,232		1,750		103,766		105,516		—
Total	$	8,310	$	5,001	$	50,950	$	64,261	$	4,388,324	$	4,452,585	$	1,455

Schedule Of Non-Covered Loans On Nonaccrual Status

(dollars in thousands)	September 30, 2011		December 31, 2010
Residential
Prime	$	5,823	$	5,916
Subprime		—		—
Commercial
Real Estate - Construction		2,948		9,837
Real Estate- Other		46,156		23,770
Business		44,629		1,849
Consumer
Indirect Automobile		1,058		1,046
Home Equity		8,289		5,466
Credit Card		494		378
Other		1,297		1,237
Total	$	110,694	$	49,496

Schedule Of Carrying Amount Of Acquired Covered Loans

(dollars in thousands)	September 30, 2011
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	40,980	$	182,535	$	223,515
Total residential mortgage loans		40,980		182,535		223,515
Commercial loans:
Real estate		152,438		607,609		760,047
Business		4,054		145,233		149,287
Total commercial loans		156,492		752,842		909,334
Consumer loans:
Home equity		43,776		198,433		242,209
Other		1,043		1,664		2,707
Total consumer loans		44,819		200,097		244,916
Total covered loans receivable	$	242,291	$	1,135,474	$	1,377,765

(dollars in thousands)	December 31, 2010
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	50,566	$	210,820	$	261,386
Total residential mortgage loans		50,566		210,820		261,386
Commercial loans:
Real estate		146,331		719,032		865,363
Business		6,119		168,385		174,504
Total commercial loans		152,450		887,417		1,039,867
Consumer loans:
Home equity		59,689		219,402		279,091
Other		543		1,860		2,403
Total consumer loans		60,232		221,262		281,494
Total covered loans receivable	$	263,248	$	1,319,499	$	1,582,747

Schedule Of Carrying Amount Of Loans Acquired

(dollars in thousands)	Acquired Impaired Loans			Acquired Performing Loans			Total Covered Loans
Contractually required principal and interest at acquisition	$	49,823		$	205,154		$	254,977
Nonaccretable difference (expected losses and foregone interest)		(30,890	)		(61,836	)		(92,726	)
Cash flows expected to be collected at acquisition		18,933			143,318			162,251
Accretable yield		(207	)		(10,843	)		(11,050	)
Basis in acquired loans at acquisition	$	18,726		$	132,475		$	151,201	(1)

(1) Excludes overdraft balances included in total loans at the acquisition date.

Schedule Of Changes In Accretable Yields Of Acquired Loans

(dollars in thousands) September 30, 2011	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired Loan Portfolio
Balance, beginning of period	$	82,381		$	626,190		$	708,571
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(18,682	)		(34,001	)		(52,683	)
Net transfers from (to) nonaccretable difference to accretable yield		56,417			(246,832	)		(190,415	)
Accretion		(30,629	)		(91,802	)		(122,431	)
Balance, end of period	$	89,487		$	253,555		$	343,042

(dollars in thousands) September 30, 2010	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired  Loan Portfolio
Balance, beginning of period	$	6,598		$	222,986		$	229,584
Acquisition		207			10,843			11,050
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(19,758	)		(35,806	)		(55,564	)
Transfers from nonaccretable difference to accretable yield		158,705			617,366			776,071
Accretion		(13,051	)		(89,335	)		(102,386	)
Balance, end of period	$	132,701		$	726,054		$	858,755

Schedule Of FDIC Loss Share Receivable

(dollars in thousands)	September 30,
	2011			2010
Balance, beginning of period	$	726,871		$	1,034,734
Acquisition		—			66,826
Increase due to loan loss provision recorded on FDIC covered loans		30,184			61,494
(Amortization) Accretion		(42,831	)		(4,405	)
Submission of reimbursable losses to the FDIC		(114,087	)		(252,648	)
Change due to a decrease in cash flow assumptions		5,242			—
Other		(3,517	)		13
Balance, end of period	$	601,862		$	906,014

Covered TDRs [Member]

Loans Receivable [Line Items]

Schedule Of Subsequently Defaulted TDRs

	September 30, 2011						September 30, 2010
(in thousands, except number of loans)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment		Number of Loans		Pre- modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment
TDRs occurring during the nine-month period then ended
Residential
Prime		—	$	—	$	—		—	$	—	$	—
Commercial
Real Estate		9		10,594		9,970		35		20,006		17,526
Business		7		3,041		3,039		3		82		60
Consumer
Indirect Automobile		—		—		—		—		—		—
Home Equity		1		237		233		—		—		—
Credit Card		—		—		—		—		—		—
Other		—		—		—		1		6		—
Total		17	$	13,872	$	13,242		39	$	20,094	$	17,586

	September 30, 2011				September 30, 2010
	Number of Loans		Recorded Investment		Number of Loans		Recorded Investment
Total TDRs that subsequently defaulted in the past 12 months
Residential
Prime		—	$	—		—	$	—
Commercial
Real Estate		31		24,325		35		17,526
Business		7		2,933		3		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		2		1
Total		38	$	27,258		40	$	17,587

Total TDRs [Member]

Loans Receivable [Line Items]

Schedule Of Troubled Debt Restructurings

(dollars in thousands)	Total TDRs
	Accruing Loans
	Current		Past Due Greater than 30 Days		Nonaccrual TDRs		Total TDRs
September 30, 2011
Residential
Prime	$	—	$	—	$	—	$	—
Commercial
Real Estate		1,377		—		24,447		25,824
Business		38		—		3,010		3,048
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		233		233
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	1,415	$	—	$	27,690	$	29,105
September 30, 2010
Residential
Prime	$	28	$	—	$	17	$	45
Commercial
Real Estate		15,046		—		2,480		17,526
Business		—		—		60		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	15,074	$	—	$	2,557	$	17,631

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On-Balance Sheet Derivative Instruments And Hedging Activities

9 Months Ended

Sep. 30, 2011

On-Balance Sheet Derivative Instruments And Hedging Activities [Abstract]

On-Balance Sheet Derivative Instruments And Hedging Activities

Note 10 – On-Balance Sheet Derivative Instruments and Hedging Activities

In the course of its business operations, the Company is exposed to certain risks, including interest rate, liquidity, and credit risk. The Company manages its risks through the use of derivative financial instruments, primarily through management of exposure due to the receipt or payment of future cash amounts based on interest rates. The Company's derivative financial instruments manage the differences in the timing, amount, and duration of expected cash receipts and payments.

The Company accounts for its derivative financial instruments in accordance with ASC Topic 815, which requires that all derivatives be recognized as assets or liabilities in the balance sheet at fair value.

The primary types of derivatives used by the Company include interest rate swap agreements, interest rate lock commitments, and written and purchased options.

Interest rate swap agreements

As part of its activities to manage interest rate risk due to interest rate movements, the Company has engaged in interest rate swap transactions to manage exposure to interest rate risk through modification of the Company's net interest sensitivity to levels deemed to be appropriate. The Company utilizes these interest rate swap agreements to convert a portion of its variable-rate debt to a fixed rate (cash flow hedge). The notional amount on which the interest payments are based is not exchanged. The Company had notional amounts of $70,000,000 in derivative contracts on its debt at both September 30, 2011 and 2010.

In addition to using derivative instruments as an interest rate risk management tool, the Company also enters into derivative instruments to help its commercial customers manage their exposure to interest rate fluctuations. To mitigate the interest rate risk associated with these customer contracts, the Company enters into offsetting derivative contract positions. The Company manages its credit risk, or potential risk of default by its commercial customers, through credit limit approval and monitoring procedures. At September 30, 2011, the Company had notional amounts of $289,385,000 on interest rate contracts with corporate customers and $289,385,000 in offsetting interest rate contracts with other financial institutions to mitigate the Company's rate exposure on its corporate customers' contracts. At September 30, 2010, the Company had notional amounts of $227,014,000 and $226,833,000, respectively, on interest rate contracts with corporate customers and offsetting contracts with other financial institutions. At December 31, 2010, the Company had notional amounts of $247,292,000 in both interest rate contracts with corporate customers and offsetting interest rate contracts with other financial institutions.

Because the swap agreements used to manage interest rate risk have been designated as hedging exposure to variable cash flows of a forecasted transaction, the effective portion of the derivative's gain or loss is initially reported as a component of other comprehensive income and subsequently reclassified into earnings when the forecasted transaction affects earnings or when the hedge is terminated. The ineffective portion of the gain or loss is reported in earnings immediately.

In applying hedge accounting for derivatives, the Company establishes a method for assessing the effectiveness of the hedging derivative and a measurement approach for determining the ineffective aspect of the hedge upon the inception of the hedge. These methods are consistent with the Company's approach to managing risk.

For interest rate swap agreements that are not designated as hedging instruments, changes in the fair value of the derivatives are recognized in earnings immediately.

Rate lock commitments

The Company enters into commitments to originate loans whereby the interest rate on the prospective loan is determined prior to funding ("rate lock commitments"). Rate lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Accordingly, such commitments are recorded at fair value as derivative assets or liabilities, with changes in fair value recorded in net gain or loss on sale of mortgage loans. The fair value of rate lock commitments was immaterial during the first nine months of 2011 and 2010.

Equity-indexed certificates of deposit

Beginning in the second quarter of 2010, IBERIABANK offers its customers a certificate of deposit that provides the purchaser a guaranteed return of principal at maturity plus potential return, which allows IBERIABANK to identify a known cost of funds. The rate of return is based on the performance of ten large cap U.S. stocks in the S&P 500 stock index, representing a variety of industry segments. Because it is based on an equity index, the rate of return represents an embedded derivative that is not clearly and closely related to the host instrument. ASC Topic 815 therefore requires the certificate of deposit be separated into two components: a zero coupon certificate of deposit (the host instrument) and a written option purchased by the depositor (an embedded derivative). The discount on the zero coupon deposit is amortized over the life of the deposit, and the written option is carried at fair value on the Company's consolidated balance sheet, with changes in fair value recorded through earnings. IBERIABANK offsets the risks of the written option by purchasing an option with terms that mirror the written option and that is also carried at fair value on the Company's consolidated balance sheet. At September 30, 2011, the Company had equity-indexed certificates of deposit of $149,038,000 with offsetting written options having a notional amount of $149,038,000. At September 30, 2010, the Company had equity-indexed certificates of deposit of $46,584,000 with offsetting written options having a notional amount of $46,584,000.

At September 30, 2011 and 2010, the information pertaining to outstanding derivative instruments, excluding interest rate lock commitments, is as follows.

		Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
(dollars in thousands)		2011		2010			2011		2010
Derivatives designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	193	$	6,151	Other liabilities	$	2,240	$	—
Total derivatives designated as hedging instruments under ASC Topic 815		$	193	$	6,151		$	2,240	$	—
Derivatives not designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	26,057	$	23,542	Other liabilities	$	26,057	$	23,542
Written and purchased options			3,968		2,797			3,968		2,797
Total derivatives not designated as hedging instruments under ASC Topic 815		$	30,025	$	26,339		$	30,025	$	26,339

At September 30, 2011, the Company was required to post $1,210,000 in collateral for its derivative transactions. The Company does not anticipate additional assets will be required to be posted as collateral, nor does it believe additional assets would be required to settle its derivative instruments immediately if contingent features were triggered at September 30, 2011. As permitted by generally-accepted accounting principles, the Company does not offset fair value amounts recognized for the right to reclaim cash collateral or the obligation to return cash collateral against recognized fair value amounts of derivatives executed with the same counterparty under a master netting agreement.

At September 30, 2011 and 2010, the information pertaining to the effect of the derivative instruments on the consolidated financial statements is as follows.

(dollars in thousands)	Amount of Gain (Loss)  Recognized in OCI, net of taxes (Effective Portion)					Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss)  Reclassified from Accumulated OCI into Income (Effective Portion)						Location of Gain (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain (Loss)  Recognized in Income  on Derivative (Ineffective  Portion and Amount Excluded  from Effectiveness Testing)
Derivatives in ASC Topic 815 Cash Flow Hedging Relationships	2011			2010			2011			2010				2011		2010
Interest rate contracts	$	(1,330	)	$	3,998	Interest income (expense)	$	(1,300	)	$	(1,209	)	Other income (expense)	$	—	$	—
Total	$	(1,330	)	$	3,998		$	(1,300	)	$	(1,209	)		$	—	$	—

(dollars in thousands)	Location of Gain (Loss)  Recognized in Income on Derivatives	Amount of Gain (Loss)  Recognized in Income on Derivatives
Derivatives Not Designated as Hedging Instruments under ASC Topic 815		2011			2010
Interest rate contracts	Other income (expense)	$	(2	)	$	1
Total		$	(2	)	$	1

During the nine months ended September 30, 2011, the Company has not reclassified into earnings any gain or loss as a result of the discontinuance of cash flow hedges because it was probable the original forecasted transaction would not occur by the end of the originally specified term.

At September 30, 2011, the fair value of derivatives that will mature within the next twelve months is $184,000. The Company does not expect to reclassify any amount from accumulated other comprehensive income into interest income over the next twelve months for derivatives that will be settled.

Changes in the fair value of interest rate swaps designated as hedging the variability of cash flows associated with long-term debt are reported in other comprehensive income. These amounts subsequently are reclassified into interest income and interest expense as a yield adjustment in the same period in which the related interest on the long-term debt affects earnings. As a result of these interest rate swaps, interest expense was decreased by $1,300,000 and $1,209,000 for the nine months ended September, 2011 and 2010, respectively.

The following is a summary of the balance and changes in the accumulated derivative gain or loss included as a component of other comprehensive income as of and for the nine-month periods ended September 30.

(dollars in thousands)	2011			2010
Balance at beginning of year, net	$	9,370		$	12,040
Unrealized gain (loss) on cash flow hedges		16,461			(12,372	)
Tax effect		5,761			4,330
Net of tax change		(10,700	)		(8,042	)
Balance at end of end of period, net	$	(1,330	)	$	3,998

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Basis Of Presentation

9 Months Ended

Sep. 30, 2011

Basis Of Presentation [Abstract]

Basis Of Presentation

Note 1 – Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include information or footnotes necessary for a complete presentation of financial position, results of operations and cash flows in conformity with generally accepted accounting principles. These interim financial statements should be read in conjunction with the audited financial statements and note disclosures for IBERIABANK Corporation ("the Company") previously filed with the Securities and Exchange Commission ("The SEC") in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

Principles of Consolidation

The unaudited consolidated financial statements include the accounts of IBERIABANK Corporation and its wholly owned subsidiaries, IBERIABANK, Lenders Title Company ("LTC"), IBERIA Capital Partners LLC ("ICP"), IB Aircraft Holdings, LLC, IBERIA Asset Management Inc. ("IAM"), and IBERIA CDE, LLC ("CDE"). All significant intercompany balances and transactions have been eliminated in consolidation. All normal, recurring adjustments which, in the opinion of management are necessary for a fair presentation of the financial statements, have been included. Certain amounts reported in prior periods have been reclassified to conform to the current period presentation.

Nature of Operations

The Company offers commercial and retail banking products and services to customers throughout locations in six states through IBERIABANK. The Company also operates mortgage production offices in twelve states through IBERIABANK Mortgage Company ("IMC"), and offers a full line of title insurance and closing services throughout Arkansas and Louisiana through LTC and its subsidiaries. ICP provides equity research, institutional sales and trading, and corporate finance services. IB Aircraft Holdings, LLC owns a fractional share of an aircraft used by management of the Company and its subsidiaries. IAM provides wealth management and trust services for commercial and private banking clients. CDE is utilized to purchase tax credits.

Segments

In prior years, the Company strategically managed and reported the results of its business through three operating segments: IBERIABANK, IBERIABANK fsb, and LTC. The Company's IBERIABANK and IBERIABANK fsb segments offered commercial and retail banking products and services to customers throughout locations in six states. IBERIABANK provided these products and services in Louisiana, Alabama, and Florida, while IBERIABNK fsb provided similar services in Arkansas, Tennessee, and Texas. As a Louisiana-chartered commercial bank and a member of the Federal Reserve System, IBERIABANK is subject to regulation, supervision and examination by the Office of Financial Institutions of the State of Louisiana, IBERIABANK's chartering authority, and the Board of Governors of the Federal Reserve System (the "FRB"), IBERIABANK's primary federal regulator. As a federal savings association, IBERIABANK fsb was subject to regulation, supervision and examination by the Office of Thrift Supervision (the "OTS").

The IBERIABANK and IBERIABANK fsb segments were considered reportable segments based on quantitative thresholds applied for reportable segments provided by ASC Topic 280, and were disclosed separately. The Company's LTC segment did not meet the thresholds provided, but was reported because management believed information about this segment would be useful to readers of the Company's consolidated financial statements. A fourth reportable column, entitled "Other", included the results of operations and financial condition of the Company's other subsidiaries, as well as the activities of the Company's holding company, which include corporate business activities, including payment of employee salary and benefits and marketing, business development, legal, professional, and other corporate expenses. Certain expenses not directly attributable to a specific segment were allocated to segments based on pre-determined means that reflected utilization.

Upon the merger of the Company's two financial institution subsidiaries, IBERIABANK and IBERIABANK fsb, at the close of business on December 31, 2010, all of the Company's banking operations are considered by management to be aggregated in one reportable operating segment. Because the overall banking operations comprise substantially all of the consolidated operations and none of the Company's other subsidiaries, either individually or in the aggregate, meet quantitative materiality thresholds provided by ASC Topic 280, no separate segment disclosures are presented in these unaudited consolidated financial statements.

Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. Material estimates that are susceptible to significant change in the near term are the allowance for loan losses, valuation of and accounting for loans covered by loss sharing arrangements with the FDIC and the related loss share receivable, valuation of goodwill, intangible assets and other purchase accounting adjustments, and share-based compensation.

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Earnings Per Share (Schedule Showing Calculation Of Basic And Diluted Earnings Per Share) (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Earnings Per Share, Basic And Diluted, By Common Class, Including Two Class Method [Line Items]
Income available to common shareholders	$ 17,299,000		$ 13,940,000		$ 37,132,000		$ 35,783,000
Distributed and undistributed earnings to unvested restricted stock	(311,000)		(289,000)		(695,000)		(719,000)
Distributed and undistributed earnings to common shareholders - Basic	16,988,000	[1]	13,651,000	[1]	36,437,000	[1]	35,064,000	[1]
Undistributed earnings reallocated to unvested restricted stock	4,000		1,000		13,000		3,000
Distributed and undistributed earnings to common shareholders - Diluted	16,992,000		13,652,000		36,450,000		35,067,000
Weighted average shares outstanding- Basic	29,908,906	[2]	26,840,723	[2]	28,239,856	[2]	25,307,923	[2]
Weighted average shares outstanding- Diluted	29,472,519		26,460,084		27,901,360		25,023,012
Earnings per common share - Basic	$ 0.58	[1]	$ 0.52	[1]	$ 1.31	[1]	$ 1.41	[1]
Earnings per common share - Diluted	$ 0.58		$ 0.52		$ 1.31		$ 1.40
Distributed earnings	9,794,000		8,947,000		28,870,000		26,817,000
Distributed earnings, per weighted average share	$ 0.33		$ 0.34		$ 1.04		$ 1.08
Undistributed earnings	7,194,000		4,704,000		7,567,000		8,247,000
Undistributed earnings, per weighted average share	$ 0.25		$ 0.18		$ 0.27		$ 0.33
Weighted average basic shares outstanding, unvested restricted stock	523,964		554,125		483,279		503,759
Unvested Restricted Stock [Member]
Earnings Per Share, Basic And Diluted, By Common Class, Including Two Class Method [Line Items]
Earnings per common share - Basic	$ 0.59	[3]	$ 0.52	[3]	$ 1.44	[3]	$ 1.43	[3]
Earnings per common share - Diluted	$ 0.59		$ 0.52		$ 1.41		$ 1.42
Distributed earnings	179,000		189,000		551,000		550,000
Distributed earnings, per weighted average share	$ 0.34		$ 0.34		$ 1.14		$ 1.09
Undistributed earnings	132,000				145,000		169,000
Undistributed earnings, per weighted average share	$ 0.25				$ 0.30		$ 0.34
Undistributed loss			$ 100,000
Undistributed loss, per share			$ 0.18

[1] Total earnings available to common shareholders include distributed earnings of $9,794,000, or $0.33 per weighted average share, and undistributed earnings of $7,194,000, or $0.25 per weighted average share for the three months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $8,947,000, or $0.34 per weighted average share, and undistributed earnings of $4,704,000, or $0.18 per weighted average share for the three months ended September 30, 2010. Total earnings available to common shareholders include distributed earnings of $28,870,000, or $1.04 per weighted average share, and undistributed earnings of $7,567,000, or $0.27 per weighted average share for the nine months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $26,817,000 or $1.08 per weighted average share, and undistributed earnings of $8,247,000, or $0.33 per weighted average share for the nine months ended September 30, 2010.

[2] Weighted average basic shares outstanding include 523,964 and 554,125 shares of unvested restricted stock for the three months ended September 30, 2011 and 2010, respectively, and 483,279 and 503,759 shares of unvested restricted stock for the nine months ended September 30, 2011 and 2010, respectively.

[3] Total earnings available to unvested restricted stock include distributed earnings of $179,000, or $0.34 per weighted average share, and undistributed earnings of $132,000 or $0.25 per weighted average share, under the two-class method for the three months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $189,000, or $0.34 per weighted average share, and undistributed earnings of $100,000, or $0.18 per weighted average share, under the two-class method for the three months ended September 30, 2010. Total earnings available to unvested restricted stock include distributed earnings of $551,000, or $1.14 per weighted average share, and undistributed earnings of $145,000 or $0.30 per weighted average share, under the two-class method for the nine months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $550,000, or $1.09 per weighted average share, and undistributed earnings of $169,000 or $0.34 per weighted average share, under the two-class method for the nine months ended September 30, 2010.

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Allowance For Loan Losses And Credit Quality

9 Months Ended

Sep. 30, 2011

Allowance For Loan Losses And Credit Quality [Abstract]

Allowance For Loan Losses And Credit Quality

Note 7 – Allowance for Loan Losses and Credit Quality

Allowance for Loan Losses

The allowance for loan losses is established as losses are estimated to have occurred through a provision charged to earnings, and for loans covered by loss share agreements with the FDIC, through a charge to earnings and an indemnification asset, the FDIC loss share receivable. Loan losses are charged against the allowance when management believes the uncollectibility of a loan balance is confirmed. Subsequent recoveries, if any, are credited to the allowance. Allowances for impaired loans are generally determined based on collateral values or the present value of estimated cash flows. Changes in the allowance related to impaired loans are charged or credited to the provision for loan losses.

The allowance for loan losses is maintained at a level which, in management's opinion, is adequate to absorb credit losses inherent in the portfolio. The Company utilizes both peer group analysis, as well as a historical analysis of the Company's portfolio to validate the overall adequacy of the allowance for loan losses. In addition to these objective criteria, the Company subjectively assesses the adequacy of the allowance for loan losses with consideration given to current economic conditions, changes to loan policies, the volume and type of lending, composition of the portfolio, the level of classified and criticized credits, seasoning of the loan portfolio, payment status and other factors.

In connection with acquisitions, the Company acquires certain loans considered impaired and accounts for these loans under the provisions of ASC Topic 310, which require the initial recognition of these loans at the present value of amounts expected to be received. The allowance for loan losses previously associated with these loans does not carry over. Any deterioration in the credit quality of these loans subsequent to acquisition would be considered in the allowance for loan losses. For any increases in cash flows expected to be collected, the Company adjusts the amount of accretable yield recognized on a prospective basis over the loan's or pool's remaining life.

A summary of changes in the allowance for loan losses, in total and for the covered loan and non-covered loan portfolios, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)	2011			2010
Balance, beginning of period	$	136,100		$	55,768
Provision charged to operations		21,589			31,227
Provision recorded through FDIC loss share receivable		30,184			61,494
Decrease in balance for transfer of covered loans to OREO		(9,719	)		—
Loans charged-off		(9,916	)		(23,335	)
Recoveries		7,082			6,799
Balance, end of period	$	175,320		$	131,954

(dollars in thousands)	September 30, 2011
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	73,640		$	62,460		$	136,100
Provision for loan losses before benefit attributable to FDIC loss share agreements		34,418			17,355			51,773
Benefit attributable to FDIC loss share agreements		(30,184	)		—			(30,184	)
Net provision for loan losses		4,234			17,355			21,589
Increase in FDIC loss share Receivable or discount		30,184			—			30,184
Transfer of balance to OREO		(9,719	)		—			(9,719	)
Loans charged-off		(399	)		(9,517	)		(9,916	)
Recoveries		516			6,566			7,082
Balance, end of period	$	98,456		$	76,864		$	175,320

(dollars in thousands)	September 30, 2010
	Covered Loans			Non-covered loans			Total
Balance, beginning of period	$	145		$	55,623		$	55,768
Provision for loan losses before benefit attributable to FDIC loss share agreements		70,722			21,999			92,721
Benefit attributable to FDIC loss share agreements		(61,494	)		—			(61,494	)
Net provision for loan losses		9,228			21,999			31,227
Increase in FDIC loss share receivable		61,494			—			61,494
Loans charged-off		(1,018	)		(22,317	)		(23,335	)
Recoveries		728			6,071			6,799
Balance, end of period	$	70,578		$	61,376		$	131,954

A summary of changes in the allowance for loan losses for non-covered loans, by loan portfolio type, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	31,390		$	16,473		$	13,332		$	1,265		$	—	$	62,460
(Reversal of) Provision for loan losses		6,279			6,924			4,681			(529	)		—		17,355
Loans charged off		(3,780	)		(385	)		(5,149	)		(203	)		—		(9,517	)
Recoveries		4,728			153			1,628			57			—		6,566
Balance, end of period		38,617			23,165			14,492			590			—		76,864
Allowance on loans individually evaluated for impairment	$	2,975		$	500		$	—		$	52		$	—	$	3,527
Allowance on loans collectively evaluated for impairment		35,642			22,665			14,492			538			—		73,337
Loans, net of unearned income
Balance, end of period	$	2,575,603		$	1,734,769		$	1,232,922		$	305,265		$	—	$	5,848,559
Balance, end of period: Loans individually evaluated for impairment		38,146			10,327			234			710			—		49,417
Balance, end of period: Loans collectively evaluated for impairment		2,537,457			1,724,442			1,232,688			304,555			—		5,799,142
Balance, end of period: Loans acquired with deteriorated credit quality		31,852			949			7,191			—			—		39,992

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	30,771		$	12,845		$	10,664		$	1,343		$	—	$	55,623
Provision for loan losses		10,902			4,028			6,423			646			—		21,999
Loans charged off		(14,411	)		(721	)		(6,472	)		(713	)		—		(22,317	)
Recoveries		4,440			81			1,480			70			—		6,071
Balance, end of period		31,702			16,233			12,095			1,346			—		61,376
Allowance on loans individually evaluated for impairment	$	524		$	907		$	—		$	—		$	—	$	1,431
Allowance on loans collectively evaluated for impairment		31,178			15,326			12,095			1,346			—		59,945
Loans, net of unearned income
Balance, end of period	$	1,712,216		$	1,234,636		$	925,841		$	406,694		$	—	$	4,279,387
Balance, end of period: Loans individually evaluated for impairment		23,743			4,819			—			—			—		28,562
Balance, end of period: Loans collectively evaluated for impairment		1,688,473			1,229,817			925,841			406,694			—		4,250,825
Balance, end of period: Loans acquired with deteriorated credit quality		663			—			—			—			—		663

A summary of changes in the allowance for loan losses for covered loans, by loan portfolio type, for the nine months ended September 30, 2011 and 2010 is as follows:

(dollars in thousands)
	Commercial Real  Estate			Commercial Business			Consumer			Mortgage			Unallocated		Total
September 30, 2011
Allowance for loan losses
Balance, beginning of period	$	26,439		$	6,657		$	12,201		$	28,343		$	—	$	73,640
(Reversal of) Provision for loan losses		4,505			616			630			(1,517	)		—		4,234
(Decrease) Increase in FDIC loss share receivable		37,224			(1,891	)		4,139			(9,288	)		—		30,184
Transfer of balance to OREO		(6,496	)		(58	)		(1,699	)		(1,466	)				(9,719	)
Loans charged off		(334	)		—			(45	)		(20	)		—		(399	)
Recoveries		274			—			140			102			—		516
Balance, end of period		61,612			5,324			15,366			16,154			—		98,456
Allowance on loans individually evaluated for impairment	$	—		$	—		$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		61,612			5,324			15,366			16,154			—		98,456
Loans, net of unearned income
Balance, end of period	$	760,047		$	149,287		$	244,916		$	223,515		$	—	$	1,377,765
Balance, end of period: Loans individually evaluated for impairment		—			—			—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		760,047			149,287			244,916			223,515			—		1,377,765
Balance, end of period: Loans acquired with deteriorated credit quality		152,438			4,054			44,819			40,980			—		242,291

(dollars in thousands)
	Commercial Real  Estate			Commercial Business		Consumer			Mortgage			Unallocated		Total
September 30, 2010
Allowance for loan losses
Balance, beginning of period	$	—		$	—	$	—		$	145		$	—	$	145
Provision for loan losses		3,326			1,182		2,072			2,648			—		9,228
Increase in FDIC loss share receivable		24,068			6,090		12,666			18,670			—		61,494
Loans charged off		(770	)		—		(36	)		(212	)		—		(1,018	)
Recoveries		17			697		8			6			—		728
Balance, end of period		26,641			7,969		14,710			21,257			—		70,578
Allowance on loans individually evaluated for impairment	$	—		$	—	$	—		$	—		$	—	$	—
Allowance on loans collectively evaluated for impairment		26,641			7,969		14,710			21,257			—		70,577
Loans, net of unearned income
Balance, end of period	$	771,204		$	180,452	$	304,808		$	255,527		$	—	$	1,511,991
Balance, end of period: Loans individually evaluated for impairment		—			—		—			—			—		—
Balance, end of period: Loans collectively evaluated for impairment		771,204			180,452		304,808			255,527			—		1,511,991
Balance, end of period: Loans acquired with deteriorated credit quality		17,526			6,815		56,341			45,079			—		125,761

Credit Quality

The Company utilizes an asset risk classification system in accordance with guidelines established by the Federal Reserve Board as part of its efforts to monitor commercial asset quality. "Special mention" loans are defined as loans where known information about possible credit problems of the borrower cause management to have some doubt as to the ability of these borrowers to comply with the present loan repayment terms and which may result in future disclosure of these loans as nonperforming. For assets with identified credit issues, the Company has two primary classifications for problem assets: "substandard" and "doubtful." Substandard assets have one or more defined weaknesses and are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Doubtful assets have the weaknesses of substandard assets with the additional characteristic that the weaknesses make collection or liquidation in full questionable and there is a high probability of loss based on currently existing facts, conditions and values. Loans classified as "Pass" do not meet the criteria set forth for special mention, substandard, or doubtful classification and are not considered criticized. Asset risk classifications are periodically reviewed and changed if, in the opinion of management, the risk profile of the customer has changed since the last review of the loan relationship. Asset risk classifications for commercial loans reflect the classification as of September 30, 2011.

The Company's investment in non-covered loans by credit quality indicator as of September 30, 2011 and December 31, 2010 is presented in the following table.

(dollars in thousands)	Commercial Real Estate Construction				Commercial Real Estate- Other					Commercial Business
Credit quality indicator by asset risk classification	September 30, 2011		December 31, 2010		September 30, 2011			December 31, 2010		September 30, 2011		December 31, 2010
Pass	$	253,498	$	236,830	$	2,067,674		$	1,422,506	$	1,663,092	$	1,322,977
Special Mention		34,350		17,918		101,874			25,524		39,958		7,455
Substandard		15,210		10,204		121,741			68,005		31,504		8,105
Doubtful		170		296		3,835			461		215		2,815
Total		303,228		265,248		2,295,124			1,516,496		1,734,769		1,341,352
Discount		—		—		(22,749	)		—		—		—
Non-covered commercial loans, net	$	303,228	$	265,248	$	2,272,375		$	1,516,496	$	1,734,769	$	1,341,352

	Mortgage – Prime					Mortgage- Subprime
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	297,343		$	362,366	$	—	$	—
Past due greater than 30 days		7,922			7,620		—		—
Total		305,265			369,986		—		—
Discount		—			—		—		—
Non-covered mortgage loans, net	$	305,265		$	369,986	$	—	$	—
	Indirect Automobile					Credit Card
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	257,505		$	253,109	$	43,937	$	42,298
Past due greater than 30 days		2,497			2,213		773		618
Total	$	260,002		$	255,322	$	44,710	$	42,916
	Home Equity					Consumer - Other
Credit risk by payment status	September  30, 2011			December  31, 2010		September  30, 2011		December  31, 2010
Current	$	767,092		$	546,755	$	146,602	$	103,766
Past due greater than 30 days		12,993			8,994		1,684		1,750
Total		780,085			555,749		148,286		105,516
Discount		(160	)		—		—		—
Non-covered consumer loans, net	$	779,925		$	555,749	$	148,286	$	105,516

As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods as information subject to the closing date fair values becomes available. Credit quality information in the table above includes loans acquired from OMNI and Cameron at gross contractual balance outstanding at September 30, 2011. Inclusion of these loans elevates classified assets compared to December 31, 2010 and compared to the actual carrying balance of these loans.

The Company's investment in covered loans by credit quality indicator as of September 30, 2011 and December 31, 2010 is presented in the following table. Loan discounts in the table below represent the adjustment of acquired loans to fair value at the time of acquisition in accordance with ASC Topic 805, as adjusted for income accretion and changes in cash flow estimates in subsequent periods.

(dollars in thousands)	Commercial
September 30, 2011	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	63,572	$	320,582	$	82,480	$	466,634
Special Mention		18,676		77,200		4,622		100,498
Substandard		211,798		381,307		50,736		643,841
Doubtful		460		18,935		4,089		23,484
Total	$	294,506	$	798,024	$	141,927	$	1,234,457
Discount								(325,123	)
Covered commercial loans, net							$	909,334

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	248,589	$	—	$	248,589
Past due greater than 30 days		94,770		—		94,770
Total	$	343,359	$	—	$	343,359
Discount						(119,844	)
Covered mortgage loans, net					$	223,515

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	896	$	198,033	$	3,731	$	202,660
Past due greater than 30 days		—		94		116,446		10		116,550
Total	$	—	$	990	$	314,479	$	3,741	$	319,210
Discount										(74,294	)
Covered consumer loans, net									$	244,916

(dollars in thousands)	Commercial
December 31, 2010	Real Estate
Credit quality indicator by asset risk classification	Construction		Other		Business		Total
Pass	$	144,423	$	385,910	$	126,176	$	656,509
Special Mention		27,783		104,228		7,475		139,486
Substandard		245,872		402,397		39,462		687,731
Doubtful		5,245		17,951		1,390		24,586
Total	$	423,323	$	910,486	$	174,503	$	1,508,312
Discount								(468,445	)
Covered commercial loans, net							$	1,039,867

	Mortgage
Credit risk by payment status	Prime		Subprime		Total
Current	$	294,399	$	—	$	294,399
Past Due greater than 30 days		107,744		—		107,744
Total	$	402,143	$	—	$	402,143
Discount						(140,757	)
Covered mortgage loans, net					$	261,386

	Consumer
Credit risk by payment status	Indirect Automobile		Credit Card		Home Equity		Other		Total
Current	$	—	$	1,079	$	230,924	$	5,439	$	237,442
Past Due greater than 30 days		—		76		142,748		837		143,661
Total	$	—	$	1,155	$	373,672	$	6,276	$	381,103
Discount										(99,609	)
Covered consumer loans, net									$	281,494

Impaired Loans

Information on the Company's investment in impaired loans is presented in the following tables for the periods indicated.

(dollars in thousands)	At September 30, 2011							At December 31, 2010
	Recorded Investment		Unpaid Principal Balance		Related Allowance			Recorded Investment		Unpaid Principal Balance		Related Allowance
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	5,823	$	5,823	$	—		$	5,916	$	5,916	$	—
Residential – Subprime		—		—		—			—		—		—
Commercial Loans
Real Estate		72,120		72,120		—			21,539		21,539		—
Business		9,306		9,306		—			6,761		6,761		—
Consumer Loans
Indirect automobile		1,058		1,058		—			1,046		1,046		—
Credit card		494		494		—			378		378		—
Home equity		8,289		8,289		—			986		986		—
Other		1,297		1,297		—			5,713		5,713		—
With an allowance recorded
Mortgage Loans		658		710		(52	)		—		—		—
Commercial Loans
Commercial Real Estate		13,008		15,983		(2,975	)		6,532		6,738		(206	)
Business		1,193		1,693		(500	)		—		—		—
Total
Mortgage Loans		6,481		6,533		(52	)		5,916		5,916		—
Commercial Loans		95,627		99,102		(3,475	)		34,832		35,038		(206	)
Consumer Loans		11,138		11,138		—			8,122		8,122		—

(dollars in thousands)	For the Three Months Ended September 30, 2011				For the Three Months Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,011	$	7	$	4,953	$	7
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		78,036		306		29,708		90
Business		10,387		82		2,507		—
Consumer Loans
Indirect automobile		1,296		6		1,130		5
Credit card		494		—		367		—
Home equity		9,206		15		1,406		5
Other		1,925		2		4,803		1
With an allowance recorded
Mortgage		710		6		—		—
Commercial Real Estate		16,090		12		5,434		—
Business		2,869		12		4,629		—
Total
Mortgage Loans		6,721		13		4,953		7
Commercial Loans		107,382		412		42,278		90
Consumer Loans		12,921		23		7,706		11

⁽¹⁾  Interest income recognized on impaired loans represents income recognized before loans were placed on nonaccrual status.

(dollars in thousands)	For the Nine Months  Ended September 30, 2011				For the Nine Months  Ended September 30, 2010
	Average  Recorded Investment		Interest Income Recognized (1)		Average  Recorded Investment		Interest Income Recognized (1)
With no related allowance recorded
Mortgage Loans
Residential – Prime	$	6,106	$	44	$	5,225	$	74
Residential – Subprime		—		—		—		—
Commercial Loans
Real Estate		58,403		1,222		30,790		324
Business		11,127		259		2,856		8
Consumer Loans
Indirect automobile		1,330		30		1,249		37
Credit card		441		—		278		—
Home equity		7,275		99		1,407		101
Other		1,612		19		5,137		20
With an allowance recorded
Mortgage		710		25		—		—
Commercial Real Estate		16,303		187		5,607		74
Business		2,951		72		4,905		39
Total
Mortgage Loans		6,816		69		5,225		74
Commercial Loans		88,784		1,740		44,158		445
Consumer Loans		10,658		148		8,071		158

As of September 30, 2011, the Company was not committed to lend additional funds to any customer whose loan was classified as impaired or as a troubled debt restructuring.

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Commitments And Contingencies

9 Months Ended

Sep. 30, 2011

Commitments And Contingencies [Abstract]

Commitments And Contingencies

Note 12 – Commitments and Contingencies

Off-balance sheet commitments

The Company is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. Such commitments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the consolidated balance sheets. The same credit policies are used in these commitments as for on-balance sheet instruments. The Company's exposure to credit loss in the event of nonperformance by the other parties is represented by the contractual amount of the financial instruments. At September 30, 2011, the fair value of guarantees under commercial and standby letters of credit was $500,000. This amount represents the unamortized fee associated with these guarantees and is included in the consolidated balance sheet of the Company. This fair value will decrease over time as the existing commercial and standby letters of credit approach their expiration dates.

At September 30, 2011 and December 31, 2010, the Company had the following financial instruments outstanding, whose contract amounts represent credit risk:

	Contract Amount
(dollars in thousands)	September 30, 2011		December 31, 2010
Commitments to grant loans	$	310,328	$	152,545
Unfunded commitments under lines of credit		1,599,390		1,121,895
Commercial and standby letters of credit		49,953		33,446

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to be drawn upon, the total commitment amounts generally represent future cash requirements. The Company evaluates each customer's creditworthiness on a case-by-case basis. The amount of collateral, if deemed necessary by the Company upon extension of credit, is based on management's credit evaluation of the counterparty.

Unfunded commitments under commercial lines-of-credit, revolving credit lines and overdraft protection agreements are commitments for possible future extensions of credit to existing customers. Many of these types of commitments do not contain a specified maturity date and may not be drawn upon to the total extent to which the Company is committed.

Legal proceedings

The nature of the business of the Company's banking and other subsidiaries ordinarily results in a certain amount of claims, litigation, investigations and legal and administrative cases and proceedings, all of which are considered incidental to the normal conduct of business. Some of these claims are against entities or assets of which the Company is a successor or acquired in business acquisitions, and certain of these claims will be covered by loss sharing agreements with the FDIC. The Company believes it has meritorious defenses to the claims asserted against it in its currently outstanding legal proceedings and, with respect to such legal proceedings, intends to continue to defend itself vigorously, litigating or settling cases according to management's judgment as to what is in the best interest of the Company and its shareholders.

The Company assesses its liabilities and contingencies in connection with outstanding legal proceedings utilizing the latest information available. Where it is probable that the Company will incur a loss and the amount of the loss can be reasonably estimated, the Company records a liability in its consolidated financial statements. These legal reserves may be increased or decreased to reflect any relevant developments on a quarterly basis. Where a loss is not probable or the amount of loss is not estimable, the Company does not accrue legal reserves. While the outcome of legal proceedings is inherently uncertain, based on information currently available, advice of counsel and available insurance coverage, the Company's management believes that it has established adequate legal reserves. Any liabilities arising from pending legal proceedings are not expected to have a material adverse effect on the Company's consolidated financial position, consolidated results of operations or consolidated cash flows. However, in the event of unexpected future developments, it is possible that the ultimate resolution of these matters, if unfavorable, may be material to the Company's consolidated financial position, consolidated results of operations or consolidated cash flows.

IBERIABANK and the Company have been named as defendants in two putative class actions relating to the imposition of overdraft fees on customer accounts. The first such case, Eivet v. IBERIABANK, is pending in the United States District Court for the Southern District of Florida and presently bears Case No. 1:10-CV-23790-JLK. The case was originally filed elsewhere, but was transferred to the U.S. District Court for the Southern District of Florida for coordinated pre-trial proceedings as part of a multi-district litigation ("MDL") involving numerous defendant banks, In re Checking Account Overdraft Litigation, Case No. 09-MD-02036-JLK. Plaintiff challenges IBERIABANK's practices relating to the imposition of overdraft fees and non-sufficient fund fees on consumer checking accounts. Plaintiff alleges that IBERIABANK's methodology for posting transactions to customer accounts is designed to maximize the generation of overdraft fees and brings claims for breach of contract and of a covenant of good faith and fair dealing, unconscionability, conversion, unjust enrichment and violations of state unfair trade practices laws. Plaintiff seeks a range of remedies, including restitution, disgorgement, injunctive relief, punitive damages and attorneys' fees.

The second of the two cases, Sachar v. IBERIABANK Corporation, Case No. 60CV2011-0770, was filed in Pulaski County, Arkansas Circuit Court on February 18, 2011. Plaintiff asserts that IBERIABANK Corporation engaged in the practice of re-sequencing customers' accounts in high-to-low order by posting the largest transactions first and the smallest transactions last which is alleged to increase the number of overdraft fees. The complaint seeks damages for allegedly deceptive trade practices under Arkansas state law, for breach of contract, for unjust enrichment, for conversion, and for injunctive relief.

On May 12, 2011, the Company entered into a provisional settlement agreement with the legal counsel for the plaintiffs in the two putative class actions. The joint settlement amount of $2,500,000 is predicated on (1) the judge's accepting this settlement as fair and (2) the judge's certifying a national class. All plaintiffs have consented to the settlement amount. Subsequent to September 30, 2011, the motion of approval of the settlement was accepted before a federal judge in charge of the multi-district litigation in the Southern District of Florida. At September 30, 2011, the Company has recorded a liability for the settlement amount and related expenses of $2,550,000 in its unaudited consolidated balance sheet, with a corresponding amount recorded as noninterest expense in its consolidated statements of income for the nine-month period ended September 30, 2011. The liability was initially recorded during the second quarter of 2011 and continues to be recorded in its unaudited consolidated balance sheet at September 30, 2011.

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Share-Based Compensation (Estimate Fair Value Of Share-Based Awards With Weighted-Average Assumptions) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Share-Based Compensation [Abstract]
Expected dividends	2.20%	2.30%	2.20%	2.20%
Expected volatility	31.20%	33.50%	30.70%	31.80%
Risk-free interest rate	3.40%	3.50%	3.50%	3.70%
Expected term (in years)	5.9	5.8	5.8	6.0
Weighted-average grant-date fair value	$ 16.43	$ 16.79	$ 16.44	$ 16.50

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Goodwill And Other Intangible Assets

9 Months Ended

Sep. 30, 2011

Goodwill And Other Intangible Assets [Abstract]

Goodwill And Other Intangible Assets

Note 8 – Goodwill and Other Intangible Assets

Goodwill

Changes to the carrying amount of goodwill for the year ended December 31, 2010 and the nine months ended September 30, 2011 are provided in the following table.

(dollars in thousands)	Amount
Balance, December 31, 2009	$	227,080
Goodwill acquired during the year		7,148
Goodwill impairment		—
Balance, December 31, 2010	$	234,228
Goodwill acquired during the year		115,919
Goodwill impairment		—
Balance, September 30, 2011	$	350,147

The goodwill acquired during the year ended December 31, 2010 was a result of the Sterling acquisition on July 23, 2010. The goodwill acquired during the nine months ended September 30, 2011 was a result of the OMNI, Cameron, and Florida Trust Company acquisitions. Footnote 4 to these unaudited consolidated financial statements provides additional information on the three acquisitions during 2011.

The Company performed the required annual impairment tests of goodwill as of October 1, 2010. The Company's annual impairment test did not indicate impairment at any of the Company's reporting units as of the testing date, and subsequent to that date, management is not aware of any events or changes in circumstances since the impairment test that would indicate that goodwill might be impaired.

Title plant

The Company had title plant assets totaling $6,722,000 at September 30, 2011 and December 31, 2010, respectively. No events or changes in circumstances occurred during the first nine months of 2011 to suggest the carrying value of the title plant was not recoverable.

Intangible assets subject to amortization

The Company's purchase accounting intangible assets which are subject to amortization include core deposit intangibles, amortized on a straight line or accelerated basis over a 10 year average life, and mortgage servicing rights, amortized over the remaining servicing life of the loans, with consideration given to prepayment assumptions. The definite-lived intangible assets had the following carrying values.

	September 30, 2011						December 31, 2010
(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Core deposit intangibles	$	45,406	$	20,068	$	25,338	$	39,399	$	16,424	$	22,975
Customer relationship intangible asset		1,348		92		1,256		—		—		—
Mortgage servicing rights		342		193		149		345		161		184
Total	$	47,096	$	20,353	$	26,743	$	39,744	$	16,585	$	23,159

During 2011, the Company recorded $1,348,000 in intangible assets related to the assets acquired in the Florida Trust Company acquisition. The customer relationship intangible asset represents the portion of the purchase price assigned to the fair value of expected future cash flows of the current Florida Trust Company clients. The intangible asset will be amortized on an accelerated basis over 9.5 years.

During 2011, the Company recorded $6,007,000 in core deposit intangible assets related to the deposits acquired in the Omni and Cameron acquisitions.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Measurements [Abstract]

Financial Assets And Liabilities Measured At Fair Value On Recurring Basis

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Recurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Available -for-sale securities	$	1,776,827	$	—	$	1,775,746	$	1,081
Derivative instruments		30,218		—		30,218		—
Total	$	1,807,045	$	—	$	1,805,964	$	1,081
Liabilities
Derivative instruments		32,265		—		32,265		—
Total	$	32,265	$	—	$	32,265	$	—

Gains And Losses Included In Earnings Related To Assets And Liabilities Measured At Fair Value On Recurring Basis

(dollars in thousands)	Noninterest income		Other comprehensive income
Total gains (losses) included in earnings (or changes in net assets)	$	2,630	$	—
Change in unrealized gains (losses) relating to assets still held at September 30, 2011		—		8,535

Financial Assets And Liabilities Measured At Fair Value On Nonrecurring Basis

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Nonrecurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Loans	$	14,859	$	—	$	14,859	$	—
OREO		13,159		—		13,159		—
Total	$	28,018	$	—	$	28,018	$	—

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Loans Receivable

9 Months Ended

Sep. 30, 2011

Loans Receivable [Abstract]

Loans Receivable

Note 6 – Loans Receivable

Loans receivable at September 30, 2011 and December 31, 2010 consist of the following:

(dollars in thousands)	September 30,		December 31,
	2011		2010
Residential mortgage loans:
Residential 1-4 family	$	511,524	$	616,550
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		528,780		631,372
Commercial loans:
Real estate		3,335,650		2,647,107
Business		1,884,056		1,515,856
Total commercial loans		5,219,706		4,162,963
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		1,022,134		834,840
Other		195,702		150,835
Total consumer loans		1,477,838		1,240,997
Total loans receivable	$	7,226,324	$	6,035,332

In 2009, the Company acquired substantially all of the assets and liabilities of CapitalSouth Bank ("CSB"), and certain assets and assumed certain deposit and other liabilities of Orion Bank ("Orion") and Century Bank ("Century"). In 2010, the Company acquired certain assets and assumed certain deposit and other liabilities of Sterling Bank. The loans and foreclosed real estate that were acquired in these transactions are covered by loss share agreements between the FDIC and IBERIABANK, which afford IBERIABANK significant loss protection. Under the loss share agreements, the FDIC will cover 80% of covered loan and foreclosed real estate losses up to certain thresholds for all four acquisitions and 95% of losses that exceed those thresholds for CSB, Orion, and Century only.

Because of the loss protection provided by the FDIC, the risks of the CSB, Orion, Century, and Sterling loans and foreclosed real estate are significantly different from those assets not covered under the loss share agreement. Accordingly, the Company presents loans subject to the loss share agreements as "covered loans" in the information below and loans that are not subject to the loss share agreement as "non-covered loans."

Non-covered Loans

The following is a summary of the major categories of non-covered loans outstanding.

(dollars in thousands)	September 30,		December 31,
	2011		2010
Non-covered Loans:
Residential mortgage loans:
Residential 1-4 family	$	288,009	$	355,164
Construction/ Owner Occupied		17,256		14,822
Total residential mortgage loans		305,265		369,986
Commercial loans:
Real estate		2,575,603		1,781,744
Business		1,734,769		1,341,352
Total commercial loans		4,310,372		3,123,096
Consumer loans:
Indirect automobile		260,002		255,322
Home equity		779,925		555,749
Other		192,995		148,432
Total consumer loans		1,232,922		959,503
Total non-covered loans receivable	$	5,848,559	$	4,452,585

The following tables provide an analysis of the aging of non-covered loans as of September 30, 2011 and December 31, 2010.

	Past Due (1)
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Discount (2)			Total non- covered  loans, net of unearned income		Recorded investment > 90 days and accruing
September 30, 2011
Residential
Prime	$	239	$	1,372	$	6,311	$	7,922	$	297,343	$	—		$	305,265	$	488
Subprime		—		—		—		—		—		—			—		—
Commercial
Real Estate - Construction		3,354		100		3,060		6,514		296,714		—			303,228		112
Real Estate- Other		7,427		349		46,495		54,271		2,240,853		(22,749	)		2,272,375		340
Commercial Business		7,932		3,189		44,813		55,934		1,678,835		—			1,734,769		184
Consumer
Indirect Automobile		1,154		285		1,058		2,497		257,505		—			260,002		—
Home Equity		3,392		1,286		8,315		12,993		767,092		(160	)		779,925		25
Credit Card		167		112		494		773		43,937		—			44,710		—
Other		327		60		1,297		1,684		146,602		—			148,286		—
Total	$	23,992	$	6,753	$	111,843	$	142,588	$	5,728,880	$	(22,909	)	$	5,848,559	$	1,149

⁽¹⁾  Past due loans include loans on nonaccrual status as of the period indicated. Nonaccrual loans are presented separately in the "Nonaccrual loans" section below.

⁽²⁾  As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods. Past due information includes loans acquired from OMNI and Cameron at the gross contractual balance outstanding at September 30, 2011. Inclusion of these loans on a gross basis elevates past due balances compared to December 31, 2010 and compared to the actual carrying balance of these loans.

	Past Due
(dollars in thousands)	30-59 days		60-89 days		Greater than 90 days		Total past due		Current		Total loans, net of unearned income		Recorded investment > 90 days and accruing
December 31, 2010
Residential
Prime	$	421	$	1,002	$	6,196	$	7,620	$	362,366	$	369,986	$	280
Subprime		—		—		—		—		—		—		—
Commercial
Real Estate - Construction		—		486		9,850		10,336		254,912		265,248		13
Real Estate- Other		3,568		1,975		24,788		30,331		1,486,165		1,516,496		1,018
Commercial Business		406		—		1,993		2,399		1,338,953		1,341,352		144
Consumer
Indirect Automobile		1,002		165		1,046		2,213		253,109		255,322		—
Home Equity		2,406		1,122		5,466		8,994		546,755		555,749		—
Credit Card		146		94		378		618		42,298		42,916		—
Other		361		157		1,232		1,750		103,766		105,516		—
Total	$	8,310	$	5,001	$	50,950	$	64,261	$	4,388,324	$	4,452,585	$	1,455

Nonaccrual Loans

Interest income on loans is accrued over the term of the loans based on the principal balance outstanding. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield, using the effective interest method.

The accrual of interest on loans is discontinued at the time the loan is 90 days delinquent unless the credit is well-secured and in process of collection. Mortgage, credit card and other personal loans are typically charged down to net collateral value, less cost to sell, no later than 180 days past due. Past due status is based on the contractual terms of loans. In all cases, loans are placed on nonaccrual status or charged off at an earlier date if collection of principal or interest is considered doubtful.

A loan is considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. The impairment loss is measured on a loan by loan basis for commercial and construction loans by either the present value of expected future cash flows discounted at the loan's effective interest rate, the loan's observable market price, or the fair value of the collateral if the loan is collateral dependent.

In general, all interest accrued but not collected for loans that are placed on nonaccrual status or charged off is reversed against interest income. Interest on nonaccrual loans is accounted for on the cash-basis method or cost-recovery method, until qualifying for a return to accrual status. Loans are returned to accrual status when all principal and interest amounts contractually due are brought current and future payments are reasonably assured.

The following table provides an analysis of non-covered loans on nonaccrual status. Nonaccrual loans in the table include loans acquired from OMNI and Cameron at their gross contractual balance outstanding at September 30, 2011.

(dollars in thousands)	September 30, 2011		December 31, 2010
Residential
Prime	$	5,823	$	5,916
Subprime		—		—
Commercial
Real Estate - Construction		2,948		9,837
Real Estate- Other		46,156		23,770
Business		44,629		1,849
Consumer
Indirect Automobile		1,058		1,046
Home Equity		8,289		5,466
Credit Card		494		378
Other		1,297		1,237
Total	$	110,694	$	49,496

Covered Loans

Loans acquired are recorded at fair value in accordance with the fair value methodology prescribed in ASC Topic 820, exclusive of the shared-loss agreements with the FDIC. The fair value estimates associated with the loans include estimates related to the amount and timing of undiscounted expected principal, interest and other cash flows, as well as the appropriate discount rate. At the time of acquisition, the Company estimated the fair value of the total acquired loan portfolio by segregating the total portfolio into loan pools with similar characteristics, which included:

• whether the loan was performing according to contractual terms at the time of acquisition,

• the loan type based on regulatory reporting guidelines, namely whether the loan was a mortgage, consumer, or commercial loan

• the nature of collateral,

• the interest rate type, whether fixed or variable rate, and

• the loan payment type, primarily whether the loan was amortizing or interest-only.

From these pools, the Company used certain loan information, including outstanding principal balance, estimated expected losses, weighted average maturity, weighted average term to re-price (if a variable rate loan), weighted average margin, and weighted average interest rate to estimate the expected cash flow for each loan pool.

Over the life of the acquired loans, the Company continues to estimate cash flows expected to be collected on each loan pool. The Company evaluates, at least semi-annually, whether the present value of the cash flows from the loan pools, determined using the effective interest rates, has decreased and if so, recognizes a provision for loan loss in its consolidated statement of income. For any increases in cash flows expected to be collected, the Company adjusts the amount of accretable yield recognized on a prospective basis over the loan's or pool's remaining life. During the three and nine months ended September 30, 2011, the Company increased its allowance for loan losses to reserve for estimated additional losses in a limited number of loan pools. For the nine months ended September 30, 2011, the increase in the allowance was recorded by a charge to the provision for loan losses of $4,234,000 and an increase of $30,184,000 in the indemnification asset for the portion of the losses recoverable from the FDIC in accordance with the loss sharing agreements. The Company recorded an immaterial recapture of impairment for the three months ended September 30, 2011.

The carrying amount of the acquired covered loans at September 30, 2011 and December 31, 2010 consisted of loans determined to be impaired at the time of acquisition, which are accounted for in accordance with ASC Topic 310-30, and loans that were considered to be performing at the acquisition date, accounted for by analogy to ASC Topic 310-30, as detailed in the following tables.

(dollars in thousands)	September 30, 2011
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	40,980	$	182,535	$	223,515
Total residential mortgage loans		40,980		182,535		223,515
Commercial loans:
Real estate		152,438		607,609		760,047
Business		4,054		145,233		149,287
Total commercial loans		156,492		752,842		909,334
Consumer loans:
Home equity		43,776		198,433		242,209
Other		1,043		1,664		2,707
Total consumer loans		44,819		200,097		244,916
Total covered loans receivable	$	242,291	$	1,135,474	$	1,377,765

(dollars in thousands)	December 31, 2010
Covered loans	ASC  310-30 Loans		Non- ASC  310-30 Loans		Total Covered Loans
Residential mortgage loans:
Residential 1-4 family	$	50,566	$	210,820	$	261,386
Total residential mortgage loans		50,566		210,820		261,386
Commercial loans:
Real estate		146,331		719,032		865,363
Business		6,119		168,385		174,504
Total commercial loans		152,450		887,417		1,039,867
Consumer loans:
Home equity		59,689		219,402		279,091
Other		543		1,860		2,403
Total consumer loans		60,232		221,262		281,494
Total covered loans receivable	$	263,248	$	1,319,499	$	1,582,747

ASC 310-30 loans

The Company acquired certain loans through the OMNI, Cameron, CSB, Orion, Century, Sterling, and other previous acquisitions which are subject to ASC Topic 310-30. The Company's allowance for loan losses for all acquired loans subject to ASC Topic 310-30 would reflect only those losses incurred after acquisition. Information about the Company's loans that follows excludes the loans acquired through the OMNI and Cameron acquisitions in the current year, as the fair value assigned to these acquired loans is preliminary and subject to refinement as information relative to the closing date fair values becomes available.

The carrying amount of the loans acquired during 2010 is detailed in the following table.

(dollars in thousands)	Acquired Impaired Loans			Acquired Performing Loans			Total Covered Loans
Contractually required principal and interest at acquisition	$	49,823		$	205,154		$	254,977
Nonaccretable difference (expected losses and foregone interest)		(30,890	)		(61,836	)		(92,726	)
Cash flows expected to be collected at acquisition		18,933			143,318			162,251
Accretable yield		(207	)		(10,843	)		(11,050	)
Basis in acquired loans at acquisition	$	18,726		$	132,475		$	151,201	(1)

(1) Excludes overdraft balances included in total loans at the acquisition date.

The following is a summary of changes in the accretable yields of acquired loans during the nine months ended September 30, 2011 and 2010.

(dollars in thousands) September 30, 2011	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired Loan Portfolio
Balance, beginning of period	$	82,381		$	626,190		$	708,571
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(18,682	)		(34,001	)		(52,683	)
Net transfers from (to) nonaccretable difference to accretable yield		56,417			(246,832	)		(190,415	)
Accretion		(30,629	)		(91,802	)		(122,431	)
Balance, end of period	$	89,487		$	253,555		$	343,042

(dollars in thousands) September 30, 2010	Acquired Impaired Loans			Acquired Performing Loans			Total Acquired  Loan Portfolio
Balance, beginning of period	$	6,598		$	222,986		$	229,584
Acquisition		207			10,843			11,050
Decrease in expected cash flows based on actual cash flow and changes in cash flow assumptions		(19,758	)		(35,806	)		(55,564	)
Transfers from nonaccretable difference to accretable yield		158,705			617,366			776,071
Accretion		(13,051	)		(89,335	)		(102,386	)
Balance, end of period	$	132,701		$	726,054		$	858,755

Accretable yield during the first nine months of 2011 decreased primarily as a result of the accretion recognized and a change in prepayment speed assumptions during the first nine months of 2011.

Troubled Debt Restructurings

During the course of its lending operations, the Company periodically grants concessions to its customers in an attempt to protect as much of its investment as possible and minimize risk of loss. These concessions may include restructuring the terms of a customer loan to alleviate the burden of the customer's near-term cash requirements. Effective January 1, 2011, the Company adopted the provisions of ASU No.2011-02, Receivables (Topic 310): A Creditor's Determination of Whether a Restructuring is a Troubled Debt Restructuring, which provides clarification on the determination of whether loan restructurings are considered troubled debt restructurings ("TDRs"). In accordance with the ASU, in order to be considered a TDR, the Company must conclude that the restructuring constitutes a concession and the customer is experiencing financial difficulties. The Company defines a concession to the customer as a modification of existing terms for economic or legal reasons that it would otherwise not consider. The concession is either granted through an agreement with the customer or is imposed by a court or law. Concessions include modifying original loan terms to reduce or defer cash payments required as part of the loan agreement, including but not limited to:

• a reduction of the stated interest rate for the remaining original life of the debt,

• extension of the maturity date or dates at a stated interest rate lower than the current market rate for new debt with similar risk characteristics,

• reduction of the face amount or maturity amount of the debt as stated in the agreement, or

• reduction of accrued interest receivable on the debt.

In its determination of whether the customer is experiencing financial difficulties, the Company considers numerous indicators, including, but not limited to:

• whether the customer is currently in default on its existing loan, or is in an economic position where it is probable the customer will be in default on its loan in the foreseeable future without a modification,

• whether the customer has declared or is in the process of declaring bankruptcy,

• whether there is substantial doubt about the customer's ability to continue as a going concern,

• whether, based on its projections of the customer's current capabilities, the Company believes the customer's future cash flows will be insufficient to service the debt, including interest, in accordance with the contractual terms of the existing agreement for the foreseeable future, and

• whether, without modification, the customer cannot obtain sufficient funds from other sources at an effective interest rate equal to the current market rate for similar debt for a nontroubled debtor.

If the Company concludes that both a concession has been granted and the concession was granted to a customer experiencing financial difficulties, the Company identifies the loan as a TDR in its loan system. For purposes of the determination of an allowance for loan losses on these TDRs, as an identified TDR, the Company considers a loss probable on the loan, and as a result is reviewed for specific impairment in accordance with the Company's allowance for loan loss methodology. If it is determined that losses are probable on such TDRs, either because of delinquency or other credit quality indicator, the Company establishes specific reserves for these loans. For additional information on the Company's allowance for loan losses, see Note 7 to these unaudited consolidated financial statements and Note 1 to the audited financial statements previously filed with the SEC in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

Information about the Company's TDRs at September 30, 2011 and 2010 is presented in the following tables. In 2010, the Company adopted the provisions of ASU No. 2010-18, Receivables (Topic 310): Effect of a Loan Modification When the Loan Is Part of a Pool That Is Accounted for as a Single Asset—a consensus of the FASB Emerging Issues Task Force, which provides guidance on the accounting for TDRs. Under the ASU, modifications of loans that are accounted for within a pool under Subtopic 310-30, which include the covered loans above, as well as the loans acquired in the OMNI and Cameron acquisitions completed during 2011, do not result in the removal of those loans from the pool, even if the modification of those loans would otherwise be considered a TDR. This guidance is effective for modifications of loans accounted for within pools occurring after July 15, 2010. As a result, all covered loans and loans acquired from OMNI and Cameron that would otherwise meet the criteria for classification as a troubled debt restructuring are excluded from the tables below.

(dollars in thousands)	Total TDRs
	Accruing Loans
	Current		Past Due Greater than 30 Days		Nonaccrual TDRs		Total TDRs
September 30, 2011
Residential
Prime	$	—	$	—	$	—	$	—
Commercial
Real Estate		1,377		—		24,447		25,824
Business		38		—		3,010		3,048
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		233		233
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	1,415	$	—	$	27,690	$	29,105
September 30, 2010
Residential
Prime	$	28	$	—	$	17	$	45
Commercial
Real Estate		15,046		—		2,480		17,526
Business		—		—		60		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		—		—
Total	$	15,074	$	—	$	2,557	$	17,631

Of the $29,105,000 in total TDRs, $13,242,000 occurred during the current nine-month period through modification of the original loan terms. Total non-covered TDRs of $17,631,000 at September 30, 2010 included $17,586,000 of TDRs that occurred during the nine-month period ended September 30, 2010. Information about the Company's non-covered TDRs occurring in these nine-month periods, as well as non-covered TDRs that subsequently defaulted during the previous twelve months, is presented in the following tables. The Company has defined a default as any loan with a loan payment that is currently past due greater than 30 days, or was past due greater than 30 days at any point during the previous twelve months.

	September 30, 2011						September 30, 2010
(in thousands, except number of loans)	Number of Loans		Pre-modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment		Number of Loans		Pre- modification Outstanding Recorded Investment		Post- modification Outstanding Recorded Investment
TDRs occurring during the nine-month period then ended
Residential
Prime		—	$	—	$	—		—	$	—	$	—
Commercial
Real Estate		9		10,594		9,970		35		20,006		17,526
Business		7		3,041		3,039		3		82		60
Consumer
Indirect Automobile		—		—		—		—		—		—
Home Equity		1		237		233		—		—		—
Credit Card		—		—		—		—		—		—
Other		—		—		—		1		6		—
Total		17	$	13,872	$	13,242		39	$	20,094	$	17,586

	September 30, 2011				September 30, 2010
	Number of Loans		Recorded Investment		Number of Loans		Recorded Investment
Total TDRs that subsequently defaulted in the past 12 months
Residential
Prime		—	$	—		—	$	—
Commercial
Real Estate		31		24,325		35		17,526
Business		7		2,933		3		60
Consumer
Indirect Automobile		—		—		—		—
Home Equity		—		—		—		—
Credit Card		—		—		—		—
Other		—		—		2		1
Total		38	$	27,258		40	$	17,587

FDIC loss share receivable

The following is a summary of the year to date activity in the FDIC loss share receivable for the periods indicated.

(dollars in thousands)	September 30,
	2011			2010
Balance, beginning of period	$	726,871		$	1,034,734
Acquisition		—			66,826
Increase due to loan loss provision recorded on FDIC covered loans		30,184			61,494
(Amortization) Accretion		(42,831	)		(4,405	)
Submission of reimbursable losses to the FDIC		(114,087	)		(252,648	)
Change due to a decrease in cash flow assumptions		5,242			—
Other		(3,517	)		13
Balance, end of period	$	601,862		$	906,014

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Loans Receivable (Schedule Of Carrying Amount Of Loans Acquired) (Details) (USD $) In Thousands	Dec. 31, 2010
Loans Receivable [Line Items]
Contractually required principal and interest at acquisition	$ 254,977
Nonaccretable difference (expected losses and foregone interest)	(92,726)
Cash flows expected to be collected at acquisition	162,251
Accretable yield	(11,050)
Basis in acquired loans at acquisition	151,201	[1]
Acquired Impaired Loans [Member]
Loans Receivable [Line Items]
Contractually required principal and interest at acquisition	49,823
Nonaccretable difference (expected losses and foregone interest)	(30,890)
Cash flows expected to be collected at acquisition	18,933
Accretable yield	(207)
Basis in acquired loans at acquisition	18,726
Acquired Performing Loans [Member]
Loans Receivable [Line Items]
Contractually required principal and interest at acquisition	205,154
Nonaccretable difference (expected losses and foregone interest)	(61,836)
Cash flows expected to be collected at acquisition	143,318
Accretable yield	(10,843)
Basis in acquired loans at acquisition	$ 132,475

[1] Excludes overdraft balances included in total loans at the acquisition date.

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Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Shareholders' Equity [Abstract]
Cash dividends declared per share	$ 1.02	$ 1.02
Reissuance of treasury stock under incentive compensation plans (shares)	275,014	152,402
Common Stock Issued, shares	3,083,229	5,973,182
Treasury Stock, Shares, Acquired	900,000

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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Nonrecurring Basis) (Details) (USD $) In Thousands	Sep. 30, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	$ 28,018
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans
OREO
Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	14,859
OREO	13,159
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans
OREO
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans	14,859
OREO	13,159
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total
Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	28,018
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total

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Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2011

Recent Accounting Pronouncements [Abstract]

Recent Accounting Pronouncements

Note 2 – Recent Accounting Pronouncements

International Financial Reporting Standards ("IFRS")

In November 2009, the SEC issued a proposed roadmap regarding the potential use by U.S. issuers of financial statements prepared in accordance with IFRS. IFRS is a comprehensive series of accounting standards published by the International Accounting Standards Board ("IASB"). Under the proposed roadmap, the Company may be required to prepare financial statements in accordance with IFRS as early as 2014. The SEC will make a determination later in 2011 regarding the mandatory adoption of IFRS. The Company is currently assessing the impact that this potential change would have on its operating results and financial condition, and will continue to monitor the development of the potential implementation of IFRS.

ASU No. 2010-20, ASU No. 2011-01, and ASU No. 2011-02

In 2010, the Company adopted the provisions of Accounting Standards Update ("ASU") No. 2010-20, Receivables (Topic 310): Disclosures about the Credit Quality of Financing Receivables and the Allowance for Credit Losses, which required the Company to provide new disclosures in its financial statements to improve the transparency of financial reporting by requiring enhanced disclosures about the Company's allowance for credit losses as well as the credit quality of the Company's loan portfolio. The additional disclosures required are incorporated in Notes 6 and 7 in these unaudited consolidated financial statements.

In January 2011, the Financial Accounting Standards Board ("FASB") issued ASU No. 2011-01, Receivables (Topic 310): Deferral of the Effective Date of Disclosures about Troubled Debt Restructurings in Update No. 2010-20, that temporarily delayed the effective date of the disclosures about troubled debt restructurings ("TDRs") that are included in ASU No. 2010-20. The TDR disclosure guidance is effective beginning with the Company's current interim period ended September 30, 2011. The enhanced disclosures required are incorporated in Note 6 in these unaudited consolidated financial statements.

In April 2011, the FASB issued ASU No. 2011-02, Receivables (Topic 310): A Creditor's Determination of Whether a Restructuring is a Troubled Debt Restructuring, which clarifies the evaluation criteria a creditor should use when evaluating whether a credit restructuring constitutes a troubled debt restructuring. In order to be a troubled debt restructuring, a creditor must separately conclude that a) the restructuring constitutes a concession and b) the debtor is experiencing financial difficulties. The ASU further clarifies the guidance on a creditor's evaluation of whether it has granted a concession. The Company adopted the provisions of this ASU in the previous quarter. Although the adoption of the ASU did not have a material impact on the Company's identified TDRs in these unaudited consolidated financial statements, the clarification in this ASU may result in the Company identifying more loan modifications as troubled debt restructurings in future periods, which may impact the Company's provision for loan losses and allowance for loan losses in future periods.

ASU No. 2010-29

In January 2011, the Company adopted the provisions of ASU No. 2010-29, Business Combinations (Topic 805): Disclosure of Supplementary Pro Forma Information for Business Combinations, which provides guidance on the disclosures reported in an entity's financial statements regarding business acquisitions and clarifies the acquisition date that should be used for reporting the pro forma financial information disclosures in Topic 805 when comparative financial statements are presented. The ASU specifies that if an entity presents comparative financial statements, the entity should disclose revenue and earnings of the combined entity as though the business combination or combinations that occurred during the current year had occurred as of the beginning of the comparable prior annual reporting period only. The amendments in this ASU also expand the supplemental pro forma disclosures currently required under Topic 805 to include a description of the nature and amount of material, nonrecurring pro forma adjustments directly attributable to the business combination included in the reported pro forma revenue and earnings.

The Company has provided the disclosures required by ASU No. 2010-29 in Note 4 of these unaudited consolidated financial statements.

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Investment Securities (Narrative) (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Pledged securities, carrying value	$ 1,567,433,000		$ 1,230,358,000
Number of debt securities, held	49		142
Unrealized losses on debt securities, percent of amortized cost	1.10%		2.10%
Unrealized losses on debt securities, percent of Company's total amortized cost	0.10%		0.90%
Number of debt securities having unrealized losses	49		142
Number of securities recorded with an aggregate amortized cost	10		10
Number of securities, continuous unrealized loss position, twelve months or longer, fair value	10		10
Available-for-sale securities, amortized cost basis	32,720,000		22,822,000
Unrealized loss on securities	$ 450,000	$ 517,000	$ 787,000
Fannie Mae And Freddie Mac Securities Rated AAA [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Number of securities issued	10		10

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Commitments And Contingencies (Tables)

9 Months Ended

Sep. 30, 2011

Commitments And Contingencies [Abstract]

Summary Of Financial Instruments Outstanding

	Contract Amount
(dollars in thousands)	September 30, 2011		December 31, 2010
Commitments to grant loans	$	310,328	$	152,545
Unfunded commitments under lines of credit		1,599,390		1,121,895
Commercial and standby letters of credit		49,953		33,446

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Allowance For Loan Losses And Credit Quality (Schedule Of Allowance For Loan Losses For Non-Covered Loans, By Loan Portfolio) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	$ 136,100,000	$ 55,768,000
(Reversal of) Provision for loan losses	21,589,000	31,227,000
Loans charged off	(9,916,000)	(23,335,000)
Recoveries	7,082,000	6,799,000
Allowance for loan losses, Ending balance	175,320,000	131,954,000
Allowance on loans individually evaluated for impairment	3,527,000
Loans, net of unearned income, Balance, end of period	7,051,004,000		5,899,232,000
Non-Covered Loans [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	62,460,000	55,623,000
(Reversal of) Provision for loan losses	17,355,000	21,999,000
Loans charged off	(9,517,000)	(22,317,000)
Recoveries	6,566,000	6,071,000
Allowance for loan losses, Ending balance	76,864,000	61,376,000
Allowance on loans individually evaluated for impairment	3,527,000	1,431,000
Allowance on loans collectively evaluated for impairment	73,337,000	59,945,000
Loans, net of unearned income, Balance, end of period	5,848,559,000	4,279,387,000
Balance, end of period: Loans individually evaluated for impairment	49,417,000	28,562,000
Balance, end of period: Loans collectively evaluated for impairment	5,799,142,000	4,250,825,000
Balance, end of period: Loans acquired with deteriorated credit quality	39,992,000	663,000
Non-Covered Loans [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	31,390,000	30,771,000
(Reversal of) Provision for loan losses	6,279,000	10,902,000
Loans charged off	(3,780,000)	(14,411,000)
Recoveries	4,728,000	4,440,000
Allowance for loan losses, Ending balance	38,617,000	31,702,000
Allowance on loans individually evaluated for impairment	2,975,000	524,000
Allowance on loans collectively evaluated for impairment	35,642,000	31,178,000
Loans, net of unearned income, Balance, end of period	2,575,603,000	1,712,216,000
Balance, end of period: Loans individually evaluated for impairment	38,146,000	23,743,000
Balance, end of period: Loans collectively evaluated for impairment	2,537,457,000	1,688,473,000
Balance, end of period: Loans acquired with deteriorated credit quality	31,852,000	663,000
Non-Covered Loans [Member] | Commercial Business [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	16,473,000	12,845,000
(Reversal of) Provision for loan losses	6,924,000	4,028,000
Loans charged off	(385,000)	(721,000)
Recoveries	153,000	81,000
Allowance for loan losses, Ending balance	23,165,000	16,233,000
Allowance on loans individually evaluated for impairment	500,000	907,000
Allowance on loans collectively evaluated for impairment	22,665,000	15,326,000
Loans, net of unearned income, Balance, end of period	1,734,769,000	1,234,636,000
Balance, end of period: Loans individually evaluated for impairment	10,327,000	4,819,000
Balance, end of period: Loans collectively evaluated for impairment	1,724,442,000	1,229,817,000
Balance, end of period: Loans acquired with deteriorated credit quality	949,000
Non-Covered Loans [Member] | Consumer [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	13,332,000	10,664,000
(Reversal of) Provision for loan losses	4,681,000	6,423,000
Loans charged off	(5,149,000)	(6,472,000)
Recoveries	1,628,000	1,480,000
Allowance for loan losses, Ending balance	14,492,000	12,095,000
Allowance on loans collectively evaluated for impairment	14,492,000	12,095,000
Loans, net of unearned income, Balance, end of period	1,232,922,000	925,841,000
Balance, end of period: Loans individually evaluated for impairment	234,000
Balance, end of period: Loans collectively evaluated for impairment	1,232,688,000	925,841,000
Balance, end of period: Loans acquired with deteriorated credit quality	7,191,000
Non-Covered Loans [Member] | Mortgage Backed Securities [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	1,265,000	1,343,000
(Reversal of) Provision for loan losses	(529,000)	646,000
Loans charged off	(203,000)	(713,000)
Recoveries	57,000	70,000
Allowance for loan losses, Ending balance	590,000	1,346,000
Allowance on loans individually evaluated for impairment	52,000
Allowance on loans collectively evaluated for impairment	538,000	1,346,000
Loans, net of unearned income, Balance, end of period	305,265,000	406,694,000
Balance, end of period: Loans individually evaluated for impairment	710,000
Balance, end of period: Loans collectively evaluated for impairment	304,555,000	406,694,000
Non-Covered Loans [Member] | Unallocated [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance
(Reversal of) Provision for loan losses
Loans charged off
Recoveries
Allowance for loan losses, Ending balance
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment
Loans, net of unearned income, Balance, end of period
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment
Balance, end of period: Loans acquired with deteriorated credit quality

XML

Allowance For Loan Losses And Credit Quality (Investment In Covered Loans And Non-Covered Loan By Credit Quality Indicator) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	$ 5,728,880	$ 4,388,324
Credit risk by payment status, Past due greater than 30 days	142,588	64,261
Total loans receivable	7,226,324	6,035,332
Covered Loan [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	1,234,457	1,508,312
Total loans receivable	909,334	1,039,867
Discount	(325,123)	(468,445)
Covered Loan [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	294,506	423,323
Covered Loan [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	63,572	144,423
Covered Loan [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	18,676	27,783
Covered Loan [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	211,798	245,872
Covered Loan [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	460	5,245
Covered Loan [Member] | Commercial Loans [Member] | Real Estate- Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	798,024	910,486
Covered Loan [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	320,582	385,910
Covered Loan [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	77,200	104,228
Covered Loan [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	381,307	402,397
Covered Loan [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	18,935	17,951
Covered Loan [Member] | Commercial Loans [Member] | Commercial Business [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	141,927	174,503
Covered Loan [Member] | Commercial Loans [Member] | Commercial Business [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	82,480	126,176
Covered Loan [Member] | Commercial Loans [Member] | Commercial Business [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	4,622	7,475
Covered Loan [Member] | Commercial Loans [Member] | Commercial Business [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	50,736	39,462
Covered Loan [Member] | Commercial Loans [Member] | Commercial Business [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	4,089	1,390
Covered Loan [Member] | Commercial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	466,634	656,509
Covered Loan [Member] | Commercial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	100,498	139,486
Covered Loan [Member] | Commercial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	643,841	687,731
Covered Loan [Member] | Commercial Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	23,484	24,586
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	253,498	236,830
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	34,350	17,918
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	15,210	10,204
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	170	296
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Real Estate - Construction [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	303,228	265,248
Total loans receivable	303,228	265,248
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	2,067,674	1,422,506
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	101,874	25,524
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	121,741	68,005
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	3,835	461
Non-Covered Loans [Member] | Commercial Loans [Member] | Real Estate- Other [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	2,295,124	1,516,496
Total loans receivable	2,272,375	1,516,496
Discount	(22,749)
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Business [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	1,663,092	1,322,977
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Business [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	39,958	7,455
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Business [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	31,504	8,105
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Business [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	215	2,815
Non-Covered Loans [Member] | Commercial Loans [Member] | Commercial Business [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit quality indicator by asset risk classification	1,734,769	1,341,352
Total loans receivable	1,734,769	1,341,352
Covered Loan [Member] | Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	202,660	237,442
Credit risk by payment status, Past due greater than 30 days	116,550	143,661
Total loans receivable	319,210	381,103
Discount	(74,294)	(99,609)
Covered Loan [Member] | Consumer Loans [Member] | Indirect Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current
Credit risk by payment status, Past due greater than 30 days
Total loans receivable
Discount
Covered Loan [Member] | Consumer Loans [Member] | Indirect Automobile [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable
Covered Loan [Member] | Consumer Loans [Member] | Credit Card [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	896	1,079
Credit risk by payment status, Past due greater than 30 days	94	76
Total loans receivable	990	1,155
Covered Loan [Member] | Consumer Loans [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	198,033	230,924
Credit risk by payment status, Past due greater than 30 days	116,446	142,748
Total loans receivable	314,479	373,672
Covered Loan [Member] | Consumer Loans [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	3,731	5,439
Credit risk by payment status, Past due greater than 30 days	10	837
Total loans receivable	3,741	6,276
Covered Loan [Member] | Consumer Loans [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable	244,916	281,494
Covered Loan [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	248,589	294,399
Credit risk by payment status, Past due greater than 30 days	94,770	107,744
Total loans receivable	343,359	402,143
Discount	(119,844)	(140,757)
Covered Loan [Member] | Mortgage [Member] | Residential - Prime [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	248,589	294,399
Credit risk by payment status, Past due greater than 30 days	94,770	107,744
Total loans receivable	343,359	402,143
Covered Loan [Member] | Mortgage [Member] | Residential - Subprime [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current
Credit risk by payment status, Past due greater than 30 days
Total loans receivable
Discount
Covered Loan [Member] | Mortgage [Member] | Residential - Subprime [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable
Covered Loan [Member] | Mortgage [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable	223,515	261,386
Non-Covered Loans [Member] | Mortgage [Member] | Residential - Subprime [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current
Credit risk by payment status, Past due greater than 30 days
Total loans receivable
Discount
Non-Covered Loans [Member] | Mortgage [Member] | Residential - Subprime [Member] | Internally Assigned Grade [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable
Non-Covered Loans [Member] | Residential - Prime [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	297,343	362,366
Credit risk by payment status, Past due greater than 30 days	7,922	7,620
Total loans receivable	305,265	369,986
Discount
Non-covered commercial loans, net	305,265	369,986
Non-Covered Loans [Member] | Residential - Subprime [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current
Credit risk by payment status, Past due greater than 30 days
Total loans receivable
Discount
Non-Covered Loans [Member] | Indirect Automobile [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	257,505	253,109
Credit risk by payment status, Past due greater than 30 days	2,497	2,213
Total loans receivable	260,002	255,322
Non-covered commercial loans, net
Non-Covered Loans [Member] | Credit Card [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	43,937	42,298
Credit risk by payment status, Past due greater than 30 days	773	618
Total loans receivable	44,710	42,916
Non-Covered Loans [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	767,092	546,755
Credit risk by payment status, Past due greater than 30 days	12,993	8,994
Total loans receivable	780,085	555,749
Discount	(160)
Non-covered commercial loans, net	779,925	555,749
Non-Covered Loans [Member] | Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Credit risk by payment status, Current	146,602	103,766
Credit risk by payment status, Past due greater than 30 days	1,684	1,750
Total loans receivable	148,286	105,516
Discount
Non-covered commercial loans, net	$ 148,286	$ 105,516

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Loans Receivable (Schedule Of Carrying Amount Of Acquired Covered Loans) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Loans Receivable [Line Items]
ASC 310-30 Loans	$ 242,291	$ 263,248
Non-ASC 310-30 Loans	1,135,474	1,319,499
Total Covered Loans	1,377,765	1,582,747
Residential Mortgage Loans [Member] | Residential 1-4 Family [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	40,980	50,566
Non-ASC 310-30 Loans	182,535	210,820
Total Covered Loans	223,515	261,386
Commercial Loans [Member] | Real Estate [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	152,438	146,331
Non-ASC 310-30 Loans	607,609	719,032
Total Covered Loans	760,047	865,363
Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	4,054	6,119
Non-ASC 310-30 Loans	145,233	168,385
Total Covered Loans	149,287	174,504
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	43,776	59,689
Non-ASC 310-30 Loans	198,433	219,402
Total Covered Loans	242,209	279,091
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	1,043	543
Non-ASC 310-30 Loans	1,664	1,860
Total Covered Loans	2,707	2,403
Residential Mortgage Loans [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	40,980	50,566
Non-ASC 310-30 Loans	182,535	210,820
Total Covered Loans	223,515	261,386
Commercial Loans [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	156,492	152,450
Non-ASC 310-30 Loans	752,842	887,417
Total Covered Loans	909,334	1,039,867
Consumer Loans [Member]
Loans Receivable [Line Items]
ASC 310-30 Loans	44,819	60,232
Non-ASC 310-30 Loans	200,097	221,262
Total Covered Loans	$ 244,916	$ 281,494

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Goodwill And Other Intangible Assets (Schedule Of Definite-Lived Intangible Assets) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 47,096	$ 39,744
Accumulated Amortization	20,353	16,585
Net Carrying Amount	26,743	23,159
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	45,406	39,399
Accumulated Amortization	20,068	16,424
Net Carrying Amount	25,338	22,975
Customer Relationship Intangible Asset [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,348
Accumulated Amortization	92
Net Carrying Amount	1,256
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	342	345
Accumulated Amortization	193	161
Net Carrying Amount	$ 149	$ 184

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Earnings Per Share

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Earnings Per Share

Note 3 – Earnings Per Share

ASC Topic 260 clarifies share-based payment awards that entitle holders to receive non-forfeitable dividends before vesting should be considered participating securities and thus included in the calculation of basic earnings per share. These awards are included in the calculation of basic earnings per share under the two-class method. The two-class method allocates earnings for the period between common shareholders and other security holders. The participating awards receiving dividends will be allocated the same amount of income as if they were outstanding shares.

The following table presents the calculation of basic and diluted earnings per share for the three and nine months ended September 30, 2011 and 2010.

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Income available to common shareholders	$	17,299,000		$	13,940,000		$	37,132,000		$	35,783,000
Distributed and undistributed earnings to unvested restricted stock		(311,000	)		(289,000	)		(695,000	)		(719,000	)
Distributed and undistributed earnings to common shareholders – Basic(1)		16,988,000			13,651,000			36,437,000			35,064,000
Undistributed earnings reallocated to unvested restricted stock		4,000			1,000			13,000			3,000
Distributed and undistributed earnings to common shareholders – Diluted	$	16,992,000		$	13,652,000		$	36,450,000		$	35,067,000
Weighted average shares outstanding- Basic(3)		29,908,906			26,840,723			28,239,856			25,307,923
Weighted average shares outstanding- Diluted		29,472,519			26,460,084			27,901,360			25,023,012
Earnings per common share – Basic(1)	$	0.58		$	0.52		$	1.31		$	1.41
Earnings per common share - Diluted	$	0.58		$	0.52		$	1.31		$	1.40
Earnings per unvested restricted stock share – Basic (2)	$	0.59		$	0.52		$	1.44		$	1.43
Earnings per unvested restricted stock share - Diluted	$	0.59		$	0.52		$	1.41		$	1.42

(1) Total earnings available to common shareholders include distributed earnings of $9,794,000, or $0.33 per weighted average share, and undistributed earnings of $7,194,000, or $0.25 per weighted average share for the three months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $8,947,000, or $0.34 per weighted average share, and undistributed earnings of $4,704,000, or $0.18 per weighted average share for the three months ended September 30, 2010. Total earnings available to common shareholders include distributed earnings of $28,870,000, or $1.04 per weighted average share, and undistributed earnings of $7,567,000, or $0.27 per weighted average share for the nine months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $26,817,000 or $1.08 per weighted average share, and undistributed earnings of $8,247,000, or $0.33 per weighted average share for the nine months ended September 30, 2010.

(2) Total earnings available to unvested restricted stock include distributed earnings of $179,000, or $0.34 per weighted average share, and undistributed earnings of $132,000 or $0.25 per weighted average share, under the two-class method for the three months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $189,000, or $0.34 per weighted average share, and undistributed earnings of $100,000, or $0.18 per weighted average share, under the two-class method for the three months ended September 30, 2010. Total earnings available to unvested restricted stock include distributed earnings of $551,000, or $1.14 per weighted average share, and undistributed earnings of $145,000 or $0.30 per weighted average share, under the two-class method for the nine months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $550,000, or $1.09 per weighted average share, and undistributed earnings of $169,000 or $0.34 per weighted average share, under the two-class method for the nine months ended September 30, 2010.

(3) Weighted average basic shares outstanding include 523,964 and 554,125 shares of unvested restricted stock for the three months ended September 30, 2011 and 2010, respectively, and 483,279 and 503,759 shares of unvested restricted stock for the nine months ended September 30, 2011 and 2010, respectively.

For the three-month periods ended September 30, 2011 and 2010, the calculations for basic shares outstanding exclude: (a) the weighted average shares owned by the Recognition and Retention Plan ("RRP") of 578,049 and 581,444, respectively, and (b) the weighted average shares in Treasury Stock of 1,200,080 and 1,211,799 respectively. For the nine-month periods ended September 30, 2011 and 2010, the calculations for basic shares outstanding exclude: (a) the weighted average shares owned by the Recognition and Retention Plan ("RRP") of 571,068 and 559,114, respectively, and (b) the weighted average shares in Treasury Stock of 1,130,049 and 1,272,497, respectively.

The effect from the assumed exercise of 554,240 and 530,308 stock options was not included in the computation of diluted earnings per share for the quarters ended September 30, 2011 and 2010, respectively, because such amounts would have had an antidilutive effect on earnings per share. The effect from the assumed exercise of 443,012 and 462,515 stock options was not included in the computation of diluted earnings per share for the nine months ended September 30, 2011 and 2010, respectively, because such amounts would also have had an antidilutive effect on earnings per share.

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Share-Based Compensation (Unvested Restricted Stock Award Activity) (Details)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Share-Based Compensation [Abstract]
Balance, beginning of period	539,195	550,518
Granted	131,559	120,398
Forfeited	(28,605)	(7,376)
Earned and issued	(115,293)	(106,408)
Balance, end of period	526,856	557,132

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Investment Securities (Schedule Of Securities With Gross Unrealized Losses Aggregated By Investment Category) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Less Than Twelve Months, Gross Unrealized Losses	$ (1,557)	$ (14,867)
Securities available for sale, Less Than Twelve Months, Fair Value	140,157	730,836
Securities available for sale, Over Twelve Months, Gross Unrealized Losses	(369)	(585)
Securities available for sale, Over Twelve Months, Fair Value	29,523	20,908
Securities available for sale, Gross Unrealized Losses, Total	(1,926)	(15,452)
Securities available for sale, Fair Value, Total	169,680	751,744
Securities held to maturity, Less Than Twelve Months, Gross Unrealized Losses	(100)	(1,594)
Securities held to maturity, Less Than Twelve Months, Fair Value	13,670	43,721
Securities held to maturity, Over Twelve Months, Gross Unrealized Losses	(81)	(202)
Securities held to maturity, Over Twelve Months, Fair Value	2,747	1,128
Securities held to maturity, Gross Unrealized Losses, Total	(181)	(1,796)
Securities held to maturity, Fair Value, Total	16,417	44,849
U.S. Government-Sponsored Enterprise Obligations [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Less Than Twelve Months, Gross Unrealized Losses	(70)	(3,794)
Securities available for sale, Less Than Twelve Months, Fair Value	20,383	195,785
Securities available for sale, Gross Unrealized Losses, Total	(70)	(3,794)
Securities available for sale, Fair Value, Total	20,383	195,785
Securities held to maturity, Less Than Twelve Months, Gross Unrealized Losses		(68)
Securities held to maturity, Less Than Twelve Months, Fair Value		7,075
Securities held to maturity, Gross Unrealized Losses, Total		(68)
Securities held to maturity, Fair Value, Total		7,075
Obligations Of State And Political Subdivisions [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Less Than Twelve Months, Gross Unrealized Losses	(723)	(395)
Securities available for sale, Less Than Twelve Months, Fair Value	2,660	6,771
Securities available for sale, Gross Unrealized Losses, Total	(723)	(395)
Securities available for sale, Fair Value, Total	2,660	6,771
Securities held to maturity, Less Than Twelve Months, Gross Unrealized Losses		(1,526)
Securities held to maturity, Less Than Twelve Months, Fair Value		36,646
Securities held to maturity, Over Twelve Months, Gross Unrealized Losses	(81)	(202)
Securities held to maturity, Over Twelve Months, Fair Value	2,747	1,128
Securities held to maturity, Gross Unrealized Losses, Total	(81)	(1,728)
Securities held to maturity, Fair Value, Total	2,747	37,774
Mortgage Backed Securities [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Less Than Twelve Months, Gross Unrealized Losses	(764)	(10,678)
Securities available for sale, Less Than Twelve Months, Fair Value	117,114	528,280
Securities available for sale, Over Twelve Months, Gross Unrealized Losses	(369)	(585)
Securities available for sale, Over Twelve Months, Fair Value	29,523	20,908
Securities available for sale, Gross Unrealized Losses, Total	(1,133)	(11,263)
Securities available for sale, Fair Value, Total	146,637	549,188
Securities held to maturity, Less Than Twelve Months, Gross Unrealized Losses	(100)
Securities held to maturity, Less Than Twelve Months, Fair Value	13,670
Securities held to maturity, Over Twelve Months, Gross Unrealized Losses
Securities held to maturity, Over Twelve Months, Fair Value
Securities held to maturity, Gross Unrealized Losses, Total	(100)
Securities held to maturity, Fair Value, Total	$ 13,670

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Other Real Estate Owned (Tables)

9 Months Ended

Sep. 30, 2011

Other Real Estate Owned [Abstract]

Schedule Of Other Real Estate Owned

(dollars in thousands)	September 30, 2011		December 31, 2010
Real estate owned acquired by foreclosure	$	116,217	$	64,408
Other foreclosed property		32		163
Real estate acquired for development or resale		7,058		4,646
Total other real estate owned and foreclosed property	$	123,307	$	69,217

Schedule Of Other Real Estate Segregated Into Covered And Non-Covered Properties

(dollars in thousands)
September 30, 2011	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	37,675	$	78,542	$	116,217
Other foreclosed property		32		—		32
Real estate acquired for development or resale		7,058		—		7,058
Total other real estate owned and foreclosed property	$	44,765	$	78,542	$	123,307
(dollars in thousands)
December 31, 2010	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	13,840	$	50,568	$	64,408
Other foreclosed property		9		154		163
Real estate acquired for development or resale		4,646		—		4,646
Total other real estate owned and foreclosed property	$	18,495	$	50,722	$	69,217

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Other Real Estate Owned (Schedule Of Other Real Estate Segregated Into Covered And Non-Covered Properties) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	$ 116,217	$ 64,408
Other foreclosed property	32	163
Real estate acquired for development or resale	7,058	4,646
Total other real estate owned and foreclosed property	123,307	69,217
Non-Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	37,675	13,840
Other foreclosed property	32	9
Real estate acquired for development or resale	7,058	4,646
Total other real estate owned and foreclosed property	44,765	18,495
Covered Properties [Member]
Other Real Estate Owned [Line Items]
Real estate owned acquired by foreclosure	78,542	50,568
Other foreclosed property		154
Total other real estate owned and foreclosed property	$ 78,542	$ 50,722

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Commitments And Contingencies (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011
Commitments And Contingencies [Abstract]
Fair value of guarantees under commercial and standby letters of credit	$ 500,000
Payments for legal settlements	2,500,000
Liability for settlement amount and related expenses	$ 2,550,000

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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Title plant assets, Net	$ 6,722,000	$ 6,722,000
Amortized intangible assets average life (in years)	10
Florida Trust [Member]
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets average life (in years)	9.5
Intangible assets related to the assets acquired	1,348,000
Sterling [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets related to the assets acquired	$ 6,007,000

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Fair Value Of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value Of Financial Instruments [Abstract]

Estimated Fair Values And Carrying Amounts Of Financial Instruments

	September 30, 2011				December 31, 2010
(dollars in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Assets
Cash and cash equivalents	$	470,388	$	470,388	$	337,778	$	337,778
Investment securities		2,057,360		2,063,108		2,019,814		2,021,788
Loans and loans held for sale		7,358,050		7,726,704		6,119,237		6,362,961
FDIC loss share receivable		601,862		335,777		726,871		392,484
Derivative instruments		30,218		30,218		37,320		37,320
Accrued interest receivable		35,583		35,583		34,250		34,250
Financial Liabilities
Deposits	$	9,190,029	$	9,184,965	$	7,915,106	$	7,764,569
Short-term borrowings		214,824		214,824		220,328		220,328
Long-term debt		461,982		425,545		432,251		441,902
Derivative instruments		32,265		32,265		22,904		22,904
Accrued interest payable		7,103		7,103		8,583		8,583

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Investment Securities (Schedule Of Amortized Cost And Fair Values Of Investment Securities, With Gross Unrealized Gains And Losses) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Amortized Cost	$ 1,740,021	$ 1,722,582
Securities available for sale, Gross Unrealized Gains	38,732	22,664
Securities available for sale, Gross Unrealized Losses	(1,926)	(15,452)
Securities available for sale, Fair Value	1,776,827	1,729,794
Securities held to maturity, Amortized Cost	280,533	290,020
Securities held to maturity, Gross Unrealized Gains	5,929	3,770
Securities held to maturity, Gross Unrealized Losses	(181)	(1,796)
Securities held to maturity, Fair Value	286,281	291,994
U.S. Government-Sponsored Enterprise Obligations [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Amortized Cost	368,175	424,180
Securities available for sale, Gross Unrealized Gains	6,063	2,414
Securities available for sale, Gross Unrealized Losses	(70)	(3,794)
Securities available for sale, Fair Value	374,168	422,800
Securities held to maturity, Amortized Cost	180,248	180,479
Securities held to maturity, Gross Unrealized Gains	2,413	2,549
Securities held to maturity, Gross Unrealized Losses		(68)
Securities held to maturity, Fair Value	182,661	182,960
Obligations Of State And Political Subdivisions [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Amortized Cost	140,227	39,896
Securities available for sale, Gross Unrealized Gains	4,803	668
Securities available for sale, Gross Unrealized Losses	(723)	(395)
Securities available for sale, Fair Value	144,307	40,169
Securities held to maturity, Amortized Cost	71,468	75,768
Securities held to maturity, Gross Unrealized Gains	2,706	480
Securities held to maturity, Gross Unrealized Losses	(81)	(1,728)
Securities held to maturity, Fair Value	74,093	74,520
Mortgage Backed Securities [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Amortized Cost	1,228,229	1,255,624
Securities available for sale, Gross Unrealized Gains	27,753	19,508
Securities available for sale, Gross Unrealized Losses	(1,133)	(11,263)
Securities available for sale, Fair Value	1,254,849	1,263,869
Securities held to maturity, Amortized Cost	28,817	33,773
Securities held to maturity, Gross Unrealized Gains	810	741
Securities held to maturity, Gross Unrealized Losses	(100)
Securities held to maturity, Fair Value	29,527	34,514
Other Securities [Member]
Schedule of Securities Available-for-sale And Held To Maturity [Line Items]
Securities available for sale, Amortized Cost	3,390	2,882
Securities available for sale, Gross Unrealized Gains	113	74
Securities available for sale, Fair Value	$ 3,503	$ 2,956

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2011

Share-Based Compensation [Abstract]

Compensation Expense Included In Salaries And Employee Benefits Expense And Related Income Tax Benefits

(dollars in thousands)	For the Three  Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to stock options	$	383	$	356	$	955	$	937
Income tax benefit related to stock options		134		124		334		328
Impact on basic earnings per share		0.01		0.01		0.02		0.02
Impact on diluted earnings per share		0.01		0.01		0.02		0.02

Estimate Fair Value Of Share-Based Awards With Weighted-Average Assumptions

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Expected dividends		2.2	%		2.3	%		2.2	%		2.2	%
Expected volatility		31.2	%		33.5	%		30.7	%		31.8	%
Risk-free interest rate		3.4	%		3.5	%		3.5	%		3.7	%
Expected term (in years)		5.9			5.8			5.8			6.0
Weighted-average grant-date fair value	$	16.43		$	16.79		$	16.44		$	16.50

Activity Related To Stock Options

	Number of shares			Weighted average exercise price		Weighted average remaining  contract life
Outstanding options, December 31, 2010		1,301,539		$	45.52
Granted		94,196			63.09
Exercised		(209,147	)		33.14
Forfeited or expired		(28,931	)		58.34
Outstanding options, September 30, 2011		1,157,657		$	48.87		4.4 Years
Outstanding exercisable at September 30, 2011		834,865		$	45.91		3.1 Years
Outstanding options, December 31, 2009		1,259,874		$	43.05
Granted		120,866			59.67
Exercised		(62,610	)		22.46
Forfeited or expired		(6,715	)		55.67
Outstanding options, September 30, 2010		1,311,415		$	45.50		4.8 Years
Outstanding exercisable at September 30, 2010		931,002		$	40.89		3.4 Years

Compensation Expense Included In Salaries And Employee Benefits Expense Related To Restricted Stock Grants

(dollars in thousands)	For the Three Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to restricted stock	$	1,750	$	1,606	$	5,112	$	4,569

Unvested Restricted Stock Award Activity

	For the Nine Months  Ended September 30,
	2011			2010
Balance, beginning of period		539,195			550,518
Granted		131,559			120,398
Forfeited		(28,605	)		(7,376	)
Earned and issued		(115,293	)		(106,408	)
Balance, end of period		526,856			557,132

Schedule Of Share And Dividend Equivalent Share Award Activity

	Number of share equivalents			Dividend equivalents			Total share equivalents			Value of share equivalents(1)
Balance, December 31, 2010		119,194			3,741			122,935		$	5,785,000
Granted		126,532			4,496			131,028			6,166,000
Forfeited share equivalents		(3,609	)		(102	)		(3,711	)		(175,000	)
Vested share equivalents		(5,808	)		(378	)		(6,186	)		(294,000	)
Balance, September 30, 2011		236,309			7,757			244,066		$	11,486,000
Balance, December 31, 2009		67,361			1,886			69,247		$	3,461,000
Granted		55,249			2,144			57,393			2,869,000
Forfeited share equivalents		—			—			—			—
Vested share equivalents		(1,943	)		(261	)		(2,204	)		(110,000	)
Balance, September 30, 2010		120,667			3,769			124,436		$	6,219,000

(1) Except for vested share payments, which are based on the cash paid at the time of vesting, the value of share equivalents is calculated based on the market price of the Company's stock at the end of the respective periods. The market price of the Company's stock was $47.06 and $49.98 on September 30, 2011 and 2010, respectively.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2011

Share-Based Compensation [Abstract]

Share-Based Compensation

Note 11 – Share-based Compensation

The Company has various types of share-based compensation plans. These plans are administered by the Compensation Committee of the Board of Directors, which selects persons eligible to receive awards and determines the number of shares and/or options subject to each award, the terms, conditions and other provisions of the awards.

Stock option plans

The Company issues stock options under various plans to directors, officers and other key employees. The option exercise price cannot be less than the fair value of the underlying common stock as of the date of the option grant and the maximum option term cannot exceed ten years. The stock options granted were issued with vesting periods ranging from one-and-a half to seven years. At September 30, 2011, future option or restricted stock awards of 1,073,695 shares could be made under approved incentive compensation plans.

The stock option plans also permit the granting of Stock Appreciation Rights ("SARs"). SARs entitle the holder to receive, in the form of cash or stock, the increase in the fair value of Company stock from the date of grant to the date of exercise. No SARs have been issued under the plans.

The following table represents the compensation expense that is included in salaries and employee benefits expense and related income tax benefits in the accompanying unaudited consolidated statements of income related to stock options for the periods indicated below.

(dollars in thousands)	For the Three  Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to stock options	$	383	$	356	$	955	$	937
Income tax benefit related to stock options		134		124		334		328
Impact on basic earnings per share		0.01		0.01		0.02		0.02
Impact on diluted earnings per share		0.01		0.01		0.02		0.02

The Company reported $1,416,000 and $615,000 of excess tax benefits as financing cash inflows during the nine months ended September 30, 2011 and 2010, respectively, related to the exercise and vesting of share-based compensation grants. Net cash proceeds from the exercise of stock options were $5,978,000 and $1,406,000 for the nine months ended September 30, 2011 and 2010.

The Company uses the Black-Scholes option pricing model to estimate the fair value of share-based awards with the following weighted-average assumptions for the indicated periods:

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Expected dividends		2.2	%		2.3	%		2.2	%		2.2	%
Expected volatility		31.2	%		33.5	%		30.7	%		31.8	%
Risk-free interest rate		3.4	%		3.5	%		3.5	%		3.7	%
Expected term (in years)		5.9			5.8			5.8			6.0
Weighted-average grant-date fair value	$	16.43		$	16.79		$	16.44		$	16.50

The assumptions above are based on multiple factors, including historical stock option exercise patterns and post-vesting employment termination behaviors, expected future exercise patterns and the expected volatility of the Company's stock price.

At September 30, 2011, there was $4,474,000 of unrecognized compensation cost related to stock options which is expected to be recognized over a weighted-average period of 3.3 years.

The following table represents the activity related to stock options during the nine months ended September 30, 2011 and 2010.

	Number of shares			Weighted average exercise price		Weighted average remaining  contract life
Outstanding options, December 31, 2010		1,301,539		$	45.52
Granted		94,196			63.09
Exercised		(209,147	)		33.14
Forfeited or expired		(28,931	)		58.34
Outstanding options, September 30, 2011		1,157,657		$	48.87		4.4 Years
Outstanding exercisable at September 30, 2011		834,865		$	45.91		3.1 Years
Outstanding options, December 31, 2009		1,259,874		$	43.05
Granted		120,866			59.67
Exercised		(62,610	)		22.46
Forfeited or expired		(6,715	)		55.67
Outstanding options, September 30, 2010		1,311,415		$	45.50		4.8 Years
Outstanding exercisable at September 30, 2010		931,002		$	40.89		3.4 Years

At September 30, 2011, the aggregate intrinsic value of shares underlying outstanding stock options and underlying exercisable stock options was $4,439,000 and $4,414,000. Total intrinsic value of options exercised was $5,291,000 for the nine months ended September 30, 2011.

Restricted stock plans

The Company issues restricted stock under various plans for certain officers and directors. A supplemental stock benefit plan adopted in 1999 and the 2001, 2005, 2008, and 2010 Incentive Plans allow grants of restricted stock. The plans allow for the issuance of restricted stock awards that may not be sold or otherwise transferred until certain restrictions have lapsed. The holders of the restricted stock receive dividends and have the right to vote the shares. The fair value of the restricted stock shares awarded under these plans is recorded as unearned share-based compensation, a contra-equity account. The unearned compensation related to these awards is amortized to compensation expense over the vesting period (generally three to seven years). The total share-based compensation expense for these awards is determined based on the market price of the Company's common stock at the date of grant applied to the total number of shares granted and is amortized over the vesting period. As of September 30, 2011, unearned share-based compensation associated with these awards totaled $24,092,000.

The following table represents the compensation expense that was included in salaries and employee benefits expense in the accompanying unaudited consolidated statements of income related to restricted stock grants for the periods indicated below.

(dollars in thousands)	For the Three Months Ended September 30,				For the Nine  Months Ended September 30,
	2011		2010		2011		2010
Compensation expense related to restricted stock	$	1,750	$	1,606	$	5,112	$	4,569

The following table represents unvested restricted stock award activity for the nine months ended September 30, 2011 and 2010, respectively:

	For the Nine Months  Ended September 30,
	2011			2010
Balance, beginning of period		539,195			550,518
Granted		131,559			120,398
Forfeited		(28,605	)		(7,376	)
Earned and issued		(115,293	)		(106,408	)
Balance, end of period		526,856			557,132

The weighted average grant date fair value of the restricted stock granted during the nine months ended September 30, 2011 and 2010 was $56.17 and $59.28, respectively.

Phantom stock awards

As part of the 2008 Incentive Compensation Plan and 2009 Phantom Stock Plan, the Company issues phantom stock awards to certain key officers and employees. The award is subject to a vesting period of five to seven years and is paid out in cash upon vesting. The amount paid per vesting period is calculated as the number of vested "share equivalents" multiplied by the closing market price of a share of the Company's common stock on the vesting date. Share equivalents are calculated on the date of grant as the total award's dollar value divided by the closing market price of a share of the Company's common stock on the grant date. Award recipients are also entitled to a "dividend equivalent" on each unvested share equivalent held by the award recipient. A dividend equivalent is a dollar amount equal to the cash dividends that the participant would have been entitled to receive if the participant's share equivalents were issued in shares of common stock. Dividend equivalents will be deemed to be reinvested as share equivalents that will vest and be paid out on the same date as the underlying share equivalents on which the dividend equivalents were paid. The number of share equivalents acquired with a dividend equivalent shall be determined by dividing the aggregate of dividend equivalents paid on the unvested share equivalents by the closing price of a share of the Company's common stock on the dividend payment date.

The following table represents share and dividend equivalent share award activity during the nine months ended September 30, 2011 and 2010.

	Number of share equivalents			Dividend equivalents			Total share equivalents			Value of share equivalents(1)
Balance, December 31, 2010		119,194			3,741			122,935		$	5,785,000
Granted		126,532			4,496			131,028			6,166,000
Forfeited share equivalents		(3,609	)		(102	)		(3,711	)		(175,000	)
Vested share equivalents		(5,808	)		(378	)		(6,186	)		(294,000	)
Balance, September 30, 2011		236,309			7,757			244,066		$	11,486,000
Balance, December 31, 2009		67,361			1,886			69,247		$	3,461,000
Granted		55,249			2,144			57,393			2,869,000
Forfeited share equivalents		—			—			—			—
Vested share equivalents		(1,943	)		(261	)		(2,204	)		(110,000	)
Balance, September 30, 2010		120,667			3,769			124,436		$	6,219,000

(1) Except for vested share payments, which are based on the cash paid at the time of vesting, the value of share equivalents is calculated based on the market price of the Company's stock at the end of the respective periods. The market price of the Company's stock was $47.06 and $49.98 on September 30, 2011 and 2010, respectively.

During the nine months ended September 30, 2011 and 2010, the Company recorded $928,000 and $176,000, respectively, in compensation expense based on the number of share equivalents vested at the end of the period and the current market price of $47.06 and $49.98 per share of common stock.

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Loans Receivable (Schedule Of FDIC Loss Share Receivable) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Loans Receivable [Line Items]
Balance, beginning of period	$ 726,871
(Amortization) Accretion	(122,431)	(102,386)
Balance, end of period	601,862
FDIC Share-Loss [Member]
Loans Receivable [Line Items]
Balance, beginning of period	726,871	1,034,734
Acquisition		66,826
Increase due to loan loss provision recorded on FDIC covered loans	30,184	61,494
(Amortization) Accretion	(42,831)	(4,405)
Submission of reimbursable losses to the FDIC	(114,087)	(252,648)
Change due to a decrease in cash flow assumptions	5,242
Other	(3,517)	13
Balance, end of period	$ 601,862	$ 906,014

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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (USD $) In Thousands	Sep. 30, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities, As recorded by IBERIABANK	$ 1,776,827
Derivative instruments, Assets	30,218
Total, Assets	1,807,045
Derivative instruments, Liabilities	32,265
Total, Liabilities	32,265
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities, As recorded by IBERIABANK
Derivative instruments, Assets
Total, Assets
Derivative instruments, Liabilities
Total, Liabilities
Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities, As recorded by IBERIABANK	1,775,746
Derivative instruments, Assets	30,218
Total, Assets	1,805,964
Derivative instruments, Liabilities	32,265
Total, Liabilities	32,265
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities, As recorded by IBERIABANK	1,081
Total, Assets	$ 1,081

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Share-Based Compensation (Activity Related To Stock Options) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Share-Based Compensation [Abstract]
Number of shares, Outstanding options, Beginning balance	1,301,539	1,259,874
Number of shares, Outstanding options, Granted	94,196	120,866
Number of shares, Outstanding options, Exercised	(209,147)	(62,610)
Number of shares, Outstanding options, Forfeited or expired	(28,931)	(6,715)
Number of shares, Outstanding options, Ending balance	1,157,657	1,311,415
Number of shares, Outstanding exercisable	834,865	931,002
Weighted average exercise price, Outstanding exercisable	$ 45.91	$ 40.89
Weighted average remaining contract life, Outstanding options, Ending period	4.4	4.8
Weighted average remaining contract life, Outstanding exercisable, Ending period	3.1	3.4
Weighted average exercise price, Outstanding options, Beginning balance	$ 45.52	$ 43.05
Weighted average exercise price, Outstanding options, Granted	$ 63.09	$ 59.67
Weighted average exercise price, Outstanding options, Exercised	$ 33.14	$ 22.46
Weighted average exercise price, Outstanding options, Forfeited or expired	$ 58.34	$ 55.67
Weighted average exercise price, Outstanding options, Ending balance	$ 48.87	$ 45.50

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Allowance For Loan Losses And Credit Quality (Schedule Of Investment In Impaired Loan) (Details) (USD $) In Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010		Dec. 31, 2010
Commercial Loans [Member] | With No Related Allowance Recorded [Member] | Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	$ 306	[1]	$ 90	[1]	$ 1,222	[1]	$ 324	[1]
Average Recorded Investment	78,036		29,708		58,403		30,790
Commercial Loans [Member] | With No Related Allowance Recorded [Member] | Business [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	82	[1]			259	[1]	8	[1]
Average Recorded Investment	10,387		2,507		11,127		2,856
With No Related Allowance Recorded [Member] | Residential - Prime [Member] | Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	7	[1]	7	[1]	44	[1]	74	[1]
Average Recorded Investment	6,011		4,953		6,106		5,225
With No Related Allowance Recorded [Member] | Residential - Subprime [Member] | Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized		[1]		[1]		[1]		[1]
Average Recorded Investment
Consumer Loans [Member] | With No Related Allowance Recorded [Member] | Indirect Automobile [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	6	[1]	5	[1]	30	[1]	37	[1]
Average Recorded Investment	1,296		1,130		1,330		1,249
Consumer Loans [Member] | With No Related Allowance Recorded [Member] | Credit Card [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	494		367		441		278
Consumer Loans [Member] | With No Related Allowance Recorded [Member] | Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	15	[1]	5	[1]	99	[1]	101	[1]
Average Recorded Investment	9,206		1,406		7,275		1,407
Consumer Loans [Member] | With No Related Allowance Recorded [Member] | Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Interest Income Recognized	2	[1]	1	[1]	19	[1]	20	[1]
Average Recorded Investment	1,925		4,803		1,612		5,137
With An Allowance Recorded [Member] | Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	13,008				13,008				6,532
Unpaid Principal Balance	15,983				15,983				6,738
Related Allowance	(2,975)				(2,975)				(206)
Interest Income Recognized	12	[1]			187	[1]	74	[1]
Average Recorded Investment	16,090		5,434		16,303		5,607
With An Allowance Recorded [Member] | Business [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	1,193				1,193
Unpaid Principal Balance	1,693				1,693
Related Allowance	(500)				(500)
Interest Income Recognized	12	[1]			72	[1]	39	[1]
Average Recorded Investment	2,869		4,629		2,951		4,905
With An Allowance Recorded [Member] | Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	658				658
Unpaid Principal Balance	710				710
Related Allowance	(52)				(52)
Interest Income Recognized	6	[1]			25	[1]
Average Recorded Investment	710				710
Residential - Prime [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	5,823				5,823				5,916
Unpaid Principal Balance	5,823				5,823				5,916
Residential - Subprime [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment
Unpaid Principal Balance
Related Allowance
Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	72,120				72,120				21,539
Unpaid Principal Balance	72,120				72,120				21,539
Business [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	9,306				9,306				6,761
Unpaid Principal Balance	9,306				9,306				6,761
Indirect Automobile [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	1,058				1,058				1,046
Unpaid Principal Balance	1,058				1,058				1,046
Credit Card [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	494				494				378
Unpaid Principal Balance	494				494				378
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	8,289				8,289				986
Unpaid Principal Balance	8,289				8,289				986
Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	1,297				1,297				5,713
Unpaid Principal Balance	1,297				1,297				5,713
Mortgage Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	6,481				6,481				5,916
Unpaid Principal Balance	6,533				6,533				5,916
Related Allowance	(52)				(52)
Interest Income Recognized	13	[1]	7	[1]	69	[1]	74	[1]
Average Recorded Investment	6,721		4,953		6,816		5,225
Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	95,627				95,627				34,832
Unpaid Principal Balance	99,102				99,102				35,038
Related Allowance	(3,475)				(3,475)				(206)
Interest Income Recognized	412	[1]	90	[1]	1,740	[1]	445	[1]
Average Recorded Investment	107,382		42,278		88,784		44,158
Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	11,138				11,138				8,122
Unpaid Principal Balance	11,138				11,138				8,122
Interest Income Recognized	23	[1]	11	[1]	148	[1]	158	[1]
Average Recorded Investment	$ 12,921		$ 7,706		$ 10,658		$ 8,071

[1] Interest income recognized on impaired loans represents income recognized before loans were placed on nonaccrual status.

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Acquisition Activity

9 Months Ended

Sep. 30, 2011

Acquisition Activity [Abstract]

Acquisition Activity

Note 4 – Acquisition Activity

OMNI BANCSHARES, Inc.

On May 31, 2011, the Company acquired OMNI BANCSHARES, Inc. ("OMNI"), the holding company of OMNI BANK, headquartered in Metairie, Louisiana with 14 offices in the New Orleans and Baton Rouge, LA markets. The Company acquired OMNI in order to further expand its banking operations into the New Orleans Metropolitan area. The Company acquired all of the outstanding common stock of the former OMNI shareholders for total consideration of $46,407,000, which resulted in preliminary goodwill of $64,571,000, as shown in the following table:

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		698,768	$	41,053
Options issued		41,979		513
Total Equity Consideration			$	41,566
Non-Equity Consideration
Change in Control Payments			$	4,832
Cash				9
Total Non-Equity Consideration			$	4,841
Total Consideration Paid			$	46,407
Fair Value of Net Liabilities Assumed including Identifiable Intangible Assets				(18,164	)
Goodwill			$	64,571

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. Both the purchased assets and liabilities assumed were recorded at their respective acquisition date fair values. Identifiable intangible assets, including core deposit intangible assets, were recorded at fair value. Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition.

Fair values, including the fair value assigned to loans, are preliminary and subject to refinement as information relative to the closing date fair values becomes available. Under current accounting principles, information regarding the Company's estimate of loan fair values may be adjusted for a period of up to one year as the Company continues to refine its estimate of expected future cash flows in the acquired portfolio. Determining the fair value of assets and liabilities, particularly illiquid assets and liabilities, is a complicated process involving significant judgment regarding estimates and assumptions used to calculate estimated fair value. The Company may incur losses on the acquired loans that are materially different from losses the Company originally projected. Fair value adjustments based on updated loss estimates could materially affect the goodwill recorded on the acquisition.

The Company's unaudited consolidated financial statements as of and for the nine-month period ended September 30, 2011 include the operating results of the acquired assets and assumed liabilities for the 122 days subsequent to the May 31, 2011 acquisition date. Due to the system conversion of the acquired entity during the current period and subsequent integration of the operating activities of the acquired branches into existing Company markets, disclosure of the revenue from the assets acquired and income before income taxes is impracticable for the 122-day period.

The acquired assets and liabilities, as well as the adjustments to record the assets and liabilities at fair value, are presented in the following table. The table also includes intangible assets other than goodwill created in the acquisition, namely, core deposit intangible assets.

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	54,683	$	—		$	54,683
Investment securities		91,808		(789	) (a)		91,019
Loans		503,695		(36,761	) (b)		466,934
Other real estate owned		24,759		(2,843	) (c)		21,916
Core deposit intangible		—		829	(d)		829
Other assets		56,872		(11,571	) (e)		45,301
Total Assets	$	731,817	$	(51,135	)	$	680,682
Liabilities
Interest-bearing deposits		504,615		1,812	(f)		506,427
Noninterest-bearing deposits		129,181		—			129,181
Borrowings		58,168		196	(g)		58,364
Other liabilities		3,971		903	(h)		4,874
Total Liabilities	$	695,935	$	2,911		$	698,846

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of OMNI's investments to their estimated fair value based on fair values on the date of acquisition.

(b) The adjustment represents the write down of the book value of OMNI's loans to their estimated fair value based on current interest rates and expected cash flows which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the write down of the book value of OMNI's OREO properties to their estimated fair value at the acquisition date based on their appraised value, as adjusted for costs to sell.

(d) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(e) The adjustment represents the write down of the book value of OMNI's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(f) The adjustment is necessary because the weighted average interest rate of OMNI's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense over the life of the portfolio, which is estimated at 60 months.

(g) The adjustment is necessary because the interest rate of OMNI's fixed rate borrowings exceeded current interest rates on similar borrowings.

(h) The adjustment is necessary because the fair value of the Company's liability under assumed lease agreements from OMNI is lower than the total cash payments remaining under the existing leases.

Cameron Bancshares, Inc.

On May 31, 2011, the Company acquired Cameron Bancshares, Inc. ("Cameron"), the holding company of Cameron State Bank, headquartered in Lake Charles, Louisiana, with 22 offices and 48 ATMs in the Lake Charles region. The Company acquired Cameron in order to expand its banking operations into the Lake Charles, Louisiana area. The Company acquired all of the outstanding common stock of the former Cameron shareholders for total consideration of $143,241,000, which resulted in preliminary goodwill of $51,296,000, as shown in the following table:

(dollars in thousands)	Number of Shares		Amount
Equity Consideration
Common Stock issued		2,384,461	$	140,087
Options issued		—		—
Total Equity Consideration			$	140,087
Non-Equity Consideration
Change in Control Payments			$	3,144
Cash				10
Total Non-Equity Consideration			$	3,154
Total Consideration Paid			$	143,241
Fair Value of Net Assets Acquired including Identifiable Intangible Assets				91,945
Goodwill			$	51,296

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. Both the purchased assets and liabilities assumed were recorded at their respective acquisition date fair values. Identifiable intangible assets, including core deposit intangible assets, were recorded at fair value. Because the consideration paid was greater than the net fair value of the acquired assets and liabilities, the Company recorded goodwill as part of the acquisition.

Fair values, including the fair value assigned to loans, are preliminary and subject to refinement as information relative to the closing date fair values becomes available. Under current accounting principles, information regarding the Company's estimate of loan fair values may be adjusted for a period of up to one year as the Company continues to refine its estimate of expected future cash flows in the acquired portfolio. Determining the fair value of assets and liabilities, particularly illiquid assets and liabilities, is a complicated process involving significant judgment regarding estimates and assumptions used to calculate estimated fair value. The Company may incur losses on the acquired loans that are materially different from losses the Company originally projected. Fair value adjustments based on updated loss estimates could materially affect the goodwill recorded on the acquisition.

The Company's unaudited consolidated financial statements as of and for the nine-month period ended September 30, 2011 include the operating results of the acquired assets and assumed liabilities for the 122 days subsequent to the May 31, 2011 acquisition date. Due to the system conversion of the acquired entity during the current period and subsequent integration of the operating activities of the acquired branches into existing Company markets, disclosure of the revenue from the assets acquired and income before income taxes is impracticable for the 122-day period.

The acquired assets and liabilities, as well as the adjustments to record the assets and liabilities at fair value, are presented in the following table. The table also includes intangible assets other than goodwill created in the acquisition, namely, core deposit intangible assets.

(dollars in thousands)	As Acquired		Fair Value Adjustments			As recorded by IBERIABANK
Assets
Cash and cash equivalents	$	29,191	$	—		$	29,191
Investment securities		223,720		(35	) (a)		223,685
Loans		404,618		6,610	(b)		411,228
Other real estate owned		710		—			710
Core deposit intangible		—		5,178	(c)		5,178
Other assets		44,525		(4,175	) (d)		40,350
Total Assets	$	702,764	$	7,578		$	710,342
Liabilities
Interest-bearing deposits		402,090		818	(e)		402,908
Noninterest-bearing deposits		164,363		—			164,363
Borrowings		46,804		2,198	(f)		49,002
Other liabilities		2,124		—			2,124
Total Liabilities	$	615,381	$	3,016		$	618,397

Explanation of Certain Fair Value Adjustments

(a) The adjustment represents the write down of the book value of Cameron's investments to their estimated fair value based on fair values on the date of acquisition which includes an estimate of expected future loan losses.

(b) The adjustment represents the write up of the book value of Cameron's loans to their estimated fair value based on current interest rates and expected cash flows, which includes an estimate of expected loan losses inherent in the portfolio.

(c) The adjustment represents the value of the core deposit base assumed in the acquisition. The core deposit asset was recorded as an identifiable intangible asset and will be amortized on an accelerated basis over the average life of the deposit base, estimated to be 10 years.

(d) The adjustment represents the write down of the book value of Cameron's property, equipment, and other assets to their estimated fair value at the acquisition date based on their appraised value.

(e) The adjustment is necessary because the weighted average interest rate of Cameron's CD's exceeded the cost of similar funding at the time of acquisition. The fair value adjustment will be amortized to reduce interest expense on a declining basis over the life of the portfolio, which is estimated at 69 months.

(f) The adjustment is necessary because the interest rate of Cameron's fixed rate borrowings exceeded current interest rates on similar borrowings.

Purchase of certain assets of Florida Trust Company

On June 14, 2011, the Company purchased certain assets of the Florida Trust Company, a wholly-owned subsidiary of the Bank of Florida Corporation. Florida Trust Company operates offices in Naples and Ft. Lauderdale, Florida. Upon acquisition, the Florida Trust Company became part of the trust and asset management division of IBERIABANK.

Under terms of the agreement, IBERIABANK paid the Bank of Florida Corporation $700,000 and will pay a contingent payment of up to $700,000 for the acquisition of the assets of Florida Trust Company. The contingent payment will be paid approximately one year after the consummation of the transaction and will be determined based on the amount of revenue realized by IBERIABANK during that period generated from the former Florida Trust Company clients.

The acquisition was accounted for under the purchase method of accounting in accordance with ASC Topic 805. The acquisition resulted in additional intangible assets of $1,400,000 included in the Company's consolidated balance sheet as of September 30, 2011, of which $52,000 was goodwill.

Supplemental pro forma information

The following pro forma information for the nine months ended September 30, 2011 and 2010 reflects the Company's estimated consolidated results of operations as if the acquisitions of OMNI, Cameron, and Florida Trust Company occurred at January 1, 2010, unadjusted for potential cost savings.

(dollars in thousands, except per share data)	2011		2010
Interest and noninterest income	$	440,337	$	461,142
Net income		39,646		44,239
Earnings per share – basic		1.34		1.55
Earnings per share – diluted		1.33		1.54

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Fair Value Of Financial Instruments

9 Months Ended

Sep. 30, 2011

Fair Value Of Financial Instruments [Abstract]

Fair Value Of Financial Instruments

Note 14 – Fair Value of Financial Instruments

The fair value of a financial instrument is the current amount that would be exchanged between willing parties, other than in a forced liquidation. Fair value is best determined based upon quoted market prices. However, in many instances, there are no quoted market prices for the Company's various financial instruments. In cases where quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. Those techniques are significantly affected by the assumptions used, including

the discount rate and estimates of future cash flows. Accordingly, the fair value estimates may not be realized in an immediate settlement of the instrument. ASC Topic 825 excludes certain financial instruments and all non-financial instruments from its disclosure requirements. Accordingly, the aggregate fair value amounts presented may not necessarily represent the underlying fair value of the Company.

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value:

Cash and cash equivalents

The carrying amounts of cash and short-term instruments approximate their fair value.

Investment securities

Fair value equals quoted market prices in an active market. If quoted market prices are unavailable, fair value is estimated using pricing models or quoted prices of securities with similar characteristics.

Loans

The fair value of non-covered mortgage loans receivable was estimated based on present values using entry-value rates at September 30, 2011 and December 31, 2010, weighted for varying maturity dates. Other non-covered loans receivable were valued based on present values using entry-value interest rates at September 30, 2011 and December 31, 2010 applicable to each category of loans. Fair values of mortgage loans held for sale are based on commitments on hand from investors or prevailing market prices. Covered loans are recorded in the consolidated financial statements at fair value in accordance with the fair value methodology prescribed in ASC Topic 820, exclusive of the shared-loss agreements with the FDIC. The fair value estimates associated with the loans include estimates related to expected prepayments and the amount and timing of undiscounted expected principal, interest and other cash flows.

Accrued Interest Receivable and Accrued Interest Payable: The carrying amount of accrued interest approximates fair value because of the short maturity of these financial instruments.

FDIC Loss Share Receivable: The fair value is determined to be projected cash flows from loss sharing agreements based on expected reimbursements for losses at the applicable loss sharing percentages based on the terms of the loss share agreements. Cash flows are discounted to reflect the timing and receipt of the loss sharing reimbursements from the FDIC.

Deposits

The fair value of NOW accounts, money market deposits and savings accounts was the amount payable on demand at the reporting date. Certificates of deposit were valued using a weighted average rate calculated based upon rates at September 30, 2011 and December 31, 2010 for deposits of similar remaining maturities.

Short-term borrowings

The carrying amounts of short-term borrowings maturing within ninety days approximate their fair values.

Long-term debt

The fair values of long-term debt are estimated using discounted cash flow analyses based on the Company's current incremental borrowing rates for similar types of borrowing arrangements.

Derivative instruments

Fair values for interest rate swap agreements are based upon the amounts required to settle the contracts.

Off-balance sheet items

The Company has outstanding commitments to extend credit and standby letters of credit. These off-balance sheet financial instruments are generally exercisable at the market rate prevailing at the date the underlying transaction will be completed. At September 30, 2011 and December 31, 2010, the fair value of guarantees under commercial and standby letters of credit was immaterial.

The estimated fair values and carrying amounts of the Company's financial instruments are as follows:

	September 30, 2011				December 31, 2010
(dollars in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Assets
Cash and cash equivalents	$	470,388	$	470,388	$	337,778	$	337,778
Investment securities		2,057,360		2,063,108		2,019,814		2,021,788
Loans and loans held for sale		7,358,050		7,726,704		6,119,237		6,362,961
FDIC loss share receivable		601,862		335,777		726,871		392,484
Derivative instruments		30,218		30,218		37,320		37,320
Accrued interest receivable		35,583		35,583		34,250		34,250
Financial Liabilities
Deposits	$	9,190,029	$	9,184,965	$	7,915,106	$	7,764,569
Short-term borrowings		214,824		214,824		220,328		220,328
Long-term debt		461,982		425,545		432,251		441,902
Derivative instruments		32,265		32,265		22,904		22,904
Accrued interest payable		7,103		7,103		8,583		8,583

The fair value estimates presented herein are based upon pertinent information available to management as of September 30, 2011 and December 31, 2010. Although management is not aware of any factors that would significantly affect the estimated fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date and, therefore, current estimates of fair value may differ significantly from the amounts presented herein.

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Other Real Estate Owned (Schedule Of Other Real Estate Owned) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Other Real Estate Owned [Abstract]
Real estate owned acquired by foreclosure	$ 116,217	$ 64,408
Other foreclosed property	32	163
Real estate acquired for development or resale	7,058	4,646
Total other real estate owned and foreclosed property	$ 123,307	$ 69,217

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Goodwill And Other Intangible Assets (Schedule Of Carrying Amount Of Goodwill) (Details) (USD $) In Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Goodwill And Other Intangible Assets [Abstract]
Goodwill, Beginning Balance	$ 234,228	$ 227,080
Goodwill acquired during the year	115,919	7,148
Goodwill impairment
Goodwill, Ending Balance	$ 350,147	$ 234,228

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Acquisition Activity (Supplemental Pro Forma Information) (Details) (USD $) In Thousands, except Per Share data	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Acquisition Activity [Abstract]
Interest and noninterest income	$ 440,337	$ 461,142
Net income	$ 39,646	$ 44,239
Earnings per share - basic	$ 1.34	$ 1.55
Earnings per share - diluted	$ 1.33	$ 1.54

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On-Balance Sheet Derivative Instruments And Hedging Activities (Schedule Of Derivative Instruments, Effect On Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
On-Balance Sheet Derivative Instruments And Hedging Activities [Abstract]
Balance at beginning of year, net	$ 9,370	$ 12,040
Unrealized gain (loss) on cash flow hedges	16,461	(12,372)
Tax effect	5,761	4,330
Net of tax change	(10,700)	(8,042)
Balance at end of period, net	$ (1,330)	$ 3,998

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On-Balance Sheet Derivative Instruments And Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2011

On-Balance Sheet Derivative Instruments And Hedging Activities [Abstract]

Schedule Of Outstanding Derivatives

		Asset Derivatives					Liability Derivatives
	Balance Sheet Location	Fair Value				Balance Sheet Location	Fair Value
(dollars in thousands)		2011		2010			2011		2010
Derivatives designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	193	$	6,151	Other liabilities	$	2,240	$	—
Total derivatives designated as hedging instruments under ASC Topic 815		$	193	$	6,151		$	2,240	$	—
Derivatives not designated as hedging instruments under ASC Topic 815
Interest rate contracts	Other assets	$	26,057	$	23,542	Other liabilities	$	26,057	$	23,542
Written and purchased options			3,968		2,797			3,968		2,797
Total derivatives not designated as hedging instruments under ASC Topic 815		$	30,025	$	26,339		$	30,025	$	26,339

Schedule Of Other Derivatives Not Designated As Hedging Instruments, Statements Of Financial Performance And Financial Position, Location

(dollars in thousands)	Amount of Gain (Loss)  Recognized in OCI, net of taxes (Effective Portion)					Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	Amount of Gain (Loss)  Reclassified from Accumulated OCI into Income (Effective Portion)						Location of Gain (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain (Loss)  Recognized in Income  on Derivative (Ineffective  Portion and Amount Excluded  from Effectiveness Testing)
Derivatives in ASC Topic 815 Cash Flow Hedging Relationships	2011			2010			2011			2010				2011		2010
Interest rate contracts	$	(1,330	)	$	3,998	Interest income (expense)	$	(1,300	)	$	(1,209	)	Other income (expense)	$	—	$	—
Total	$	(1,330	)	$	3,998		$	(1,300	)	$	(1,209	)		$	—	$	—

(dollars in thousands)	Location of Gain (Loss)  Recognized in Income on Derivatives	Amount of Gain (Loss)  Recognized in Income on Derivatives
Derivatives Not Designated as Hedging Instruments under ASC Topic 815		2011			2010
Interest rate contracts	Other income (expense)	$	(2	)	$	1
Total		$	(2	)	$	1

Schedule Of Derivative Instruments, Effect On Other Comprehensive Income (Loss)

(dollars in thousands)	2011			2010
Balance at beginning of year, net	$	9,370		$	12,040
Unrealized gain (loss) on cash flow hedges		16,461			(12,372	)
Tax effect		5,761			4,330
Net of tax change		(10,700	)		(8,042	)
Balance at end of end of period, net	$	(1,330	)	$	3,998

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Consolidated Statements Of Shareholders' Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2009	$ 22,107,000	$ 632,086,000	$ 341,621,000	$ 22,416,000	$ (64,015,000)	$ 954,215,000
Comprehensive income:
Net income			35,783,000			35,783,000
Change in unrealized gain on securities available for sale, net of taxes				9,621,000		9,621,000
Change in fair value of derivatives used for cash flow hedges, net of taxes				(8,042,000)		(8,042,000)
Total comprehensive income						37,362,000
Cash dividends declared, $1.02 per share			(27,358,000)			(27,358,000)
Reissuance of treasury stock under incentive compensation plans, net of shares surrendered in payment, including tax benefit		(561,000)			1,245,000	684,000
Common Stock Issued for acquisitions	5,973,000	323,007,000				328,980,000
Common stock issued for recognition and retention plan, net of shares forfeited		(5,402,000)			5,402,000
Share-based compensation cost		5,865,000				5,865,000
Balance at Sep. 30, 2010	28,080,000	954,995,000	350,046,000	23,995,000	(57,368,000)	1,299,748,000
Balance at Dec. 31, 2010	28,080,000	956,864,000	361,055,000	14,680,000	(57,222,000)	1,303,457,000
Comprehensive income:
Net income			37,132,000			37,132,000
Change in unrealized gain on securities available for sale, net of taxes				19,236,000		19,236,000
Change in fair value of derivatives used for cash flow hedges, net of taxes				(10,700,000)		(10,700,000)
Total comprehensive income						45,668,000
Cash dividends declared, $1.02 per share			(29,421,000)			(29,421,000)
Reissuance of treasury stock under incentive compensation plans, net of shares surrendered in payment, including tax benefit		(1,247,000)			7,076,000	5,829,000
Common Stock Issued for acquisitions	3,083,000	178,057,000				181,140,000
Common stock issued for recognition and retention plan, net of shares forfeited		(5,390,000)			5,390,000
Treasury stock acquired at cost, 900,000 shares					(41,386,000)	(41,386,000)
Share-based compensation cost		6,954,000				6,954,000
Balance at Sep. 30, 2011	$ 31,163,000	$ 1,135,238,000	$ 368,766,000	$ 23,216,000	$ (86,142,000)	$ 1,472,241,000

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Schedule Showing Calculation Of Basic And Diluted Earnings Per Share

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2011			2010			2011			2010
Income available to common shareholders	$	17,299,000		$	13,940,000		$	37,132,000		$	35,783,000
Distributed and undistributed earnings to unvested restricted stock		(311,000	)		(289,000	)		(695,000	)		(719,000	)
Distributed and undistributed earnings to common shareholders – Basic(1)		16,988,000			13,651,000			36,437,000			35,064,000
Undistributed earnings reallocated to unvested restricted stock		4,000			1,000			13,000			3,000
Distributed and undistributed earnings to common shareholders – Diluted	$	16,992,000		$	13,652,000		$	36,450,000		$	35,067,000
Weighted average shares outstanding- Basic(3)		29,908,906			26,840,723			28,239,856			25,307,923
Weighted average shares outstanding- Diluted		29,472,519			26,460,084			27,901,360			25,023,012
Earnings per common share – Basic(1)	$	0.58		$	0.52		$	1.31		$	1.41
Earnings per common share - Diluted	$	0.58		$	0.52		$	1.31		$	1.40
Earnings per unvested restricted stock share – Basic (2)	$	0.59		$	0.52		$	1.44		$	1.43
Earnings per unvested restricted stock share - Diluted	$	0.59		$	0.52		$	1.41		$	1.42

(1) Total earnings available to common shareholders include distributed earnings of $9,794,000, or $0.33 per weighted average share, and undistributed earnings of $7,194,000, or $0.25 per weighted average share for the three months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $8,947,000, or $0.34 per weighted average share, and undistributed earnings of $4,704,000, or $0.18 per weighted average share for the three months ended September 30, 2010. Total earnings available to common shareholders include distributed earnings of $28,870,000, or $1.04 per weighted average share, and undistributed earnings of $7,567,000, or $0.27 per weighted average share for the nine months ended September 30, 2011. Total earnings available to common shareholders include distributed earnings of $26,817,000 or $1.08 per weighted average share, and undistributed earnings of $8,247,000, or $0.33 per weighted average share for the nine months ended September 30, 2010.

(2) Total earnings available to unvested restricted stock include distributed earnings of $179,000, or $0.34 per weighted average share, and undistributed earnings of $132,000 or $0.25 per weighted average share, under the two-class method for the three months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $189,000, or $0.34 per weighted average share, and undistributed earnings of $100,000, or $0.18 per weighted average share, under the two-class method for the three months ended September 30, 2010. Total earnings available to unvested restricted stock include distributed earnings of $551,000, or $1.14 per weighted average share, and undistributed earnings of $145,000 or $0.30 per weighted average share, under the two-class method for the nine months ended September 30, 2011. Total earnings available to unvested restricted stock include distributed earnings of $550,000, or $1.09 per weighted average share, and undistributed earnings of $169,000 or $0.34 per weighted average share, under the two-class method for the nine months ended September 30, 2010.

(3) Weighted average basic shares outstanding include 523,964 and 554,125 shares of unvested restricted stock for the three months ended September 30, 2011 and 2010, respectively, and 483,279 and 503,759 shares of unvested restricted stock for the nine months ended September 30, 2011 and 2010, respectively.

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Investment Securities (Schedule Of Realized Gains And Losses From The Sale Of Securities Classified As Available For Sale) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Investment Securities [Abstract]
Realized gains	$ 1,213	$ 4,176	$ 2,640	$ 5,178
Realized losses	(7)		(7)	(20)
Net realized gains	$ 1,206	$ 4,176	$ 2,633	$ 5,158

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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2011

Investment Securities [Abstract]

Schedule Of Amortized Cost And Fair Values Of Investment Securities, With Gross Unrealized Gains And Losses

			Gross		Gross
(dollars in thousands)	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—	$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		368,175		6,063		(70	)		374,168
Obligations of state and political subdivisions		140,227		4,803		(723	)		144,307
Mortgage backed securities		1,228,229		27,753		(1,133	)		1,254,849
Other securities		3,390		113		—			3,503
Total securities available for sale	$	1,740,021	$	38,732	$	(1,926	)	$	1,776,827
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,248	$	2,413	$	—		$	182,661
Obligations of state and political subdivisions		71,468		2,706		(81	)		74,093
Mortgage backed securities		28,817		810		(100	)		29,527
Total securities held to maturity	$	280,533	$	5,929	$	(181	)	$	286,281
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	424,180	$	2,414	$	(3,794	)	$	422,800
Obligations of state and political subdivisions		39,896		668		(395	)		40,169
Mortgage backed securities		1,255,624		19,508		(11,263	)		1,263,869
Other securities		2,882		74		—			2,956
Total securities available for sale	$	1,722,582	$	22,664	$	(15,452	)	$	1,729,794
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	180,479	$	2,549	$	(68	)	$	182,960
Obligations of state and political subdivisions		75,768		480		(1,728	)		74,520
Mortgage backed securities		33,773		741		—			34,514
Total securities held to maturity	$	290,020	$	3,770	$	(1,796	)	$	291,994

Schedule Of Securities With Gross Unrealized Losses Aggregated By Investment Category

	Less Than Twelve Months					Over Twelve Months					Total
	Gross					Gross					Gross
(dollars in thousands)	Unrealized			Fair		Unrealized			Fair		Unrealized			Fair
	Losses			Value		Losses			Value		Losses			Value
September 30, 2011
Securities available for sale:
U.S. Treasury securities	$	—		$	—	$	—		$	—	$	—		$	—
U.S. Government-sponsored enterprise obligations		(70	)		20,383		—			—		(70	)		20,383
Obligations of state and political subdivisions		(723	)		2,660		—			—		(723	)		2,660
Mortgage backed securities		(764	)		117,114		(369	)		29,523		(1,133	)		146,637
Total securities available for sale	$	(1,557	)	$	140,157	$	(369	)	$	29,523	$	(1,926	)	$	169,680
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	—		$	—	$	—		$	—	$	—		$	—
Obligations of state and political subdivisions		—			—		(81	)		2,747		(81	)		2,747
Mortgage backed securities		(100	)		13,670		—			—		(100	)		13,670
Total securities held to maturity	$	(100	)	$	13,670	$	(81	)	$	2,747	$	(181	)	$	16,417
December 31, 2010
Securities available for sale:
U.S. Government-sponsored enterprise obligations	$	(3,794	)	$	195,785	$	—		$	—	$	(3,794	)	$	195,785
Obligations of state and political subdivisions		(395	)		6,771		—			—		(395	)		6,771
Mortgage backed securities		(10,678	)		528,280		(585	)		20,908		(11,263	)		549,188
Total securities available for sale	$	(14,867	)	$	730,836	$	(585	)	$	20,908	$	(15,452	)	$	751,744
Securities held to maturity:
U.S. Government-sponsored enterprise obligations	$	(68	)	$	7,075	$	—		$	—	$	(68	)	$	7,075
Obligations of state and political subdivisions		(1,526	)		36,646		(202	)		1,128		(1,728	)		37,774
Mortgage backed securities		—			—		—			—		—			—
Total securities held to maturity	$	(1,594	)	$	43,721	$	(202	)	$	1,128	$	(1,796	)	$	44,849

Schedule Of Amortized Cost And Estimated Fair Value By Maturity Of Investment Securities

	Securities							Securities
	Available for Sale							Held to Maturity
(dollars in thousands)	Weighted Average			Amortized		Fair		Weighted Average			Amortized		Fair
	Yield			Cost		Value		Yield			Cost		Value
Within one year or less		0.89	%	$	45,113	$	45,325		1.29	%	$	21,097	$	21,254
One through five years		2.37			145,380		148,696		2.24			165,975		168,407
After five through ten years		2.57			542,546		556,387		3.23			23,126		24,227
Over ten years		2.82			1,006,982		1,026,419		3.34			70,335		72,393
Totals		2.66	%	$	1,740,021	$	1,776,827		2.53	%	$	280,533	$	286,281

Schedule Of Realized Gains And Losses From The Sale Of Securities Classified As Available For Sale

	Three Months Ended September 30,					Nine Months Ended September 30,
(dollars in thousands)	2011			2010		2011			2010
Realized gains	$	1,213		$	4,176	$	2,640		$	5,178
Realized losses		(7	)		—		(7	)		(20	)
Net realized gains	$	1,206		$	4,176	$	2,633		$	5,158

Schedule Of Changes In Other Comprehensive Income, Investment Portfolio Activity

	Nine Months Ended
(dollars in thousands)	September 30, 2011			September 30, 2010
Balance at beginning of period, net	$	5,310		$	10,376
Unrealized gain on securities available for sale		32,227			20,476
Other-than-temporary impairment		—			(517	)
Reclassification adjustment for net (gains) losses realized in net income		(2,633	)		(5,158	)
Net unrealized gain		29,594			14,801
Tax effect		10,358			5,180
Net of tax change		19,236			9,621
Balance at end of period, net	$	24,546		$	19,997

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Share-Based Compensation (Compensation Expense Included In Salaries And Employee Benefits Expense And Related Income Tax Benefits) (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Share-Based Compensation [Abstract]
Compensation expense related to stock options	$ 383	$ 356	$ 955	$ 937
Income tax benefit related to stock options	$ 134	$ 124	$ 334	$ 328
Impact on basic earnings per share	$ 0.01	$ 0.01	$ 0.02	$ 0.02
Impact on diluted earnings per share	$ 0.01	$ 0.01	$ 0.02	$ 0.02

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On-Balance Sheet Derivative Instruments And Hedging Activities (Schedule Of Outstanding Derivatives) (Details) (USD $) In Thousands	Sep. 30, 2011	Sep. 30, 2010
Other Assets [Member] | Asset Derivatives [Member] | Interest Rate Contracts [Member] | Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 193	$ 6,151
Other Assets [Member] | Asset Derivatives [Member] | Interest Rate Contracts [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	26,057	23,542
Other Assets [Member] | Asset Derivatives [Member] | Written And Purchase Options [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	3,968	2,797
Other Assets [Member] | Asset Derivatives [Member] | Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	193	6,151
Other Assets [Member] | Asset Derivatives [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	30,025	26,339
Other Liabilities [Member] | Liability Derivatives [Member] | Interest Rate Contracts [Member] | Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	2,240
Other Liabilities [Member] | Liability Derivatives [Member] | Interest Rate Contracts [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	26,057	23,542
Other Liabilities [Member] | Liability Derivatives [Member] | Written And Purchase Options [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	3,968	2,797
Other Liabilities [Member] | Liability Derivatives [Member] | Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	2,240
Other Liabilities [Member] | Liability Derivatives [Member] | Not Designated As Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ 30,025	$ 26,339

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Consolidated Statements Of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows from Operating Activities
Net income	$ 37,132,000	$ 35,783,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,670,000	7,975,000
Amortization of purchase accounting adjustments	(21,494,000)	(51,771,000)
Provision for loan losses	21,589,000	31,227,000
Noncash compensation expense	6,954,000	5,865,000
Loss on impaired securities	450,000	517,000
(Gain) loss on sale of assets	(275,000)	464,000
Gain on sales and calls of investments	(2,682,000)	(5,158,000)
Gain on sale of OREO	(1,745,000)
Gain on acquisitions		(3,781,000)
Amortization of premium/discount on investments	13,264,000	10,204,000
(Benefit) Provision for deferred income taxes	756,000	3,624,000
Mortgage loans held for sale
Originations and transfers	(1,146,767,000)	(1,256,416,000)
Proceeds from sales	1,134,050,000	1,183,332,000
Gain on sale of loans, net	(31,719,000)	(31,517,000)
Excess tax benefits from share-based payment arrangements	(1,416,000)	(615,000)
(Increase) decrease in other assets	(27,505,000)	85,639,000
Other operating activities, net	(3,958,000)	(17,434,000)
Net Cash Used in Operating Activities	(14,146,000)	(2,062,000)
Cash Flows from Investing Activities
Proceeds from sales of securities available for sale	114,588,000	214,787,000
Proceeds from maturities, prepayments and calls of securities available for sale	440,694,000	446,565,000
Purchases of securities available for sale	(268,880,000)	(854,208,000)
Proceeds from maturities, prepayments and calls of securities held to maturity	21,659,000	31,333,000
Purchases of securities held to maturity	(11,886,000)	(92,186,000)
FDIC Reimbursement of recoverable covered asset losses	132,353,000	312,583,000
(Increase) decrease in loans receivable, net	(322,174,000)	193,000,000
Proceeds from sale of premises and equipment	2,474,000	456,000
Purchases of premises and equipment	(34,697,000)	(27,466,000)
Proceeds from disposition of real estate owned	51,468,000	32,903,000
Investment in new market tax credit entities	(9,425,000)
Cash received in excess of cash paid in acquisition	80,490,000	24,134,000
Other investing activities, net	18,798,000	1,250,000
Net Cash Provided by Investing Activities	215,462,000	283,151,000
Cash Flows from Financing Activities
Increase in deposits	75,049,000	434,902,000
Net change in short-term borrowings	(43,933,000)	25,897,000
Proceeds from long-term debt	2,920,000	45,233,000
Repayments of long-term debt	(38,600,000)	(363,226,000)
Dividends paid to common shareholders	(28,585,000)	(25,275,000)
Proceeds from issuance of treasury stock for stock options exercised	5,978,000	1,406,000
Payments to repurchase common stock	(42,951,000)	(1,336,000)
Common stock issued		328,980,000
Excess tax benefit from share-based payment arrangements	1,416,000	615,000
Net Cash (Used in) Provided by Financing Activities	(68,706,000)	447,196,000
Net Increase in Cash and Cash Equivalents	132,610,000	728,285,000
Cash and Cash Equivalents at Beginning of Period	337,778,000	175,397,000
Cash and Cash Equivalents at End of Period	470,388,000	903,682,000
Supplemental Schedule of Noncash Activities
Acquisition of real estate in settlement of loans	85,245,000	22,275,000
Common stock issued in acquisition	181,140,000
Exercise of stock options with payment in company stock	378,000
Supplemental Disclosures
Interest on deposits and borrowings	63,543,000	91,403,000
Income taxes, net	$ 35,545,000	$ 15,908,000

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Other Real Estate Owned

9 Months Ended

Sep. 30, 2011

Other Real Estate Owned [Abstract]

Other Real Estate Owned

Note 9 – Other Real Estate Owned

Other real estate owned and foreclosed property totaled $123,307,000 and $69,217,000 at September 30, 2011 and December 31, 2010, respectively. Other real estate owned consists of the following:

(dollars in thousands)	September 30, 2011		December 31, 2010
Real estate owned acquired by foreclosure	$	116,217	$	64,408
Other foreclosed property		32		163
Real estate acquired for development or resale		7,058		4,646
Total other real estate owned and foreclosed property	$	123,307	$	69,217

At September 30, 2011 and December 31, 2010, other real estate is segregated into covered and non-covered properties as follows:

(dollars in thousands)
September 30, 2011	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	37,675	$	78,542	$	116,217
Other foreclosed property		32		—		32
Real estate acquired for development or resale		7,058		—		7,058
Total other real estate owned and foreclosed property	$	44,765	$	78,542	$	123,307
(dollars in thousands)
December 31, 2010	Non-covered properties		Covered properties		Total
Real estate owned acquired by foreclosure	$	13,840	$	50,568	$	64,408
Other foreclosed property		9		154		163
Real estate acquired for development or resale		4,646		—		4,646
Total other real estate owned and foreclosed property	$	18,495	$	50,722	$	69,217

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Loans Receivable (Schedule Of Subsequently Defaulted TDRs) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2011	Sep. 30, 2010
Residential Mortgage Loans [Member] | Residential - Prime [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Commercial Loans [Member] | Real Estate [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts	9	35
Pre-modification outstanding recorded investment	10,594	20,006
Post-modification outstanding recorded investment	9,970	17,526
Commercial Loans [Member] | Business [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts	7	3
Pre-modification outstanding recorded investment	3,041	82
Post-modification outstanding recorded investment	3,039	60
Consumer Loans [Member] | Indirect Automobile [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
Consumer Loans [Member] | Home Equity [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts	1
Pre-modification outstanding recorded investment	237
Post-modification outstanding recorded investment	233
Consumer Loans [Member] | Other Consumer [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts		1
Pre-modification outstanding recorded investment		6
Consumer Loans [Member] | Credit Card [Member] | TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts
Pre-modification outstanding recorded investment
Post-modification outstanding recorded investment
TDRs Occurring During The Period [Member] | Non-Covered TDRs [Member]
Loans Receivable [Line Items]
Number of Contracts	17	39
Pre-modification outstanding recorded investment	13,872	20,094
Post-modification outstanding recorded investment	13,242	17,586
Residential Mortgage Loans [Member] | Residential - Prime [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts
Post-modification outstanding recorded investment
Commercial Loans [Member] | Real Estate [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts	31	35
Post-modification outstanding recorded investment	24,325	17,526
Commercial Loans [Member] | Business [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts	7	3
Post-modification outstanding recorded investment	2,933	60
Consumer Loans [Member] | Indirect Automobile [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts
Post-modification outstanding recorded investment
Consumer Loans [Member] | Home Equity [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts
Post-modification outstanding recorded investment
Consumer Loans [Member] | Other Consumer [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts		2
Post-modification outstanding recorded investment		1
Consumer Loans [Member] | Credit Card [Member] | TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts
Post-modification outstanding recorded investment
TDRs That Subsequently Defaulted In Past 12 Months [Member]
Loans Receivable [Line Items]
Number of Contracts	38	40
Post-modification outstanding recorded investment	$ 27,258	$ 17,587

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Allowance For Loan Losses And Credit Quality (Schedule Of Allowance For Loan Losses For Covered Loans, By Loan Portfolio) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	$ 136,100,000	$ 55,768,000
(Reversal of) Provision for loan losses	21,589,000	31,227,000
Transfer of balance to OREO	(9,719,000)
Loans charged off	(9,916,000)	(23,335,000)
Recoveries	7,082,000	6,799,000
Allowance for loan losses, Ending balance	175,320,000	131,954,000
Allowance on loans individually evaluated for impairment	3,527,000
Loans, net of unearned income, Balance, end of period	7,051,004,000		5,899,232,000
Covered Loan [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	73,640,000	145,000
(Reversal of) Provision for loan losses	4,234,000	9,228,000
(Decrease) Increase in FDIC loss share receivable	30,184,000	61,494,000
Transfer of balance to OREO	(9,719,000)
Loans charged off	(399,000)	(1,018,000)
Recoveries	516,000	728,000
Allowance for loan losses, Ending balance	98,456,000	70,578,000
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment	98,456,000	70,577,000
Loans, net of unearned income, Balance, end of period	1,377,765,000	1,511,991,000
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment	1,377,765,000	1,511,991,000
Balance, end of period: Loans acquired with deteriorated credit quality	242,291,000	125,761,000
Covered Loan [Member] | Commercial Real Estate [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	26,439,000
(Reversal of) Provision for loan losses	4,505,000	3,326,000
(Decrease) Increase in FDIC loss share receivable	37,224,000	24,068,000
Transfer of balance to OREO	(6,496,000)
Loans charged off	(334,000)	(770,000)
Recoveries	274,000	17,000
Allowance for loan losses, Ending balance	61,612,000	26,641,000
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment	61,612,000	26,641,000
Loans, net of unearned income, Balance, end of period	760,047,000	771,204,000
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment	760,047,000	771,204,000
Balance, end of period: Loans acquired with deteriorated credit quality	152,438,000	17,526,000
Covered Loan [Member] | Commercial Business [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	6,657,000
(Reversal of) Provision for loan losses	616,000	1,182,000
(Decrease) Increase in FDIC loss share receivable	(1,891,000)	6,090,000
Transfer of balance to OREO	(58,000)
Recoveries		697,000
Allowance for loan losses, Ending balance	5,324,000	7,969,000
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment	5,324,000	7,969,000
Loans, net of unearned income, Balance, end of period	149,287,000	180,452,000
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment	149,287,000	180,452,000
Balance, end of period: Loans acquired with deteriorated credit quality	4,054,000	6,815,000
Covered Loan [Member] | Consumer [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	12,201,000
(Reversal of) Provision for loan losses	630,000	2,072,000
(Decrease) Increase in FDIC loss share receivable	4,139,000	12,666,000
Transfer of balance to OREO	(1,699,000)
Loans charged off	(45,000)	(36,000)
Recoveries	140,000	8,000
Allowance for loan losses, Ending balance	15,366,000	14,710,000
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment	15,366,000	14,710,000
Loans, net of unearned income, Balance, end of period	244,916,000	304,808,000
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment	244,916,000	304,808,000
Balance, end of period: Loans acquired with deteriorated credit quality	44,819,000	56,341,000
Covered Loan [Member] | Mortgage Backed Securities [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	28,343,000	145,000
(Reversal of) Provision for loan losses	(1,517,000)	2,648,000
(Decrease) Increase in FDIC loss share receivable	(9,288,000)	18,670,000
Transfer of balance to OREO	(1,466,000)
Loans charged off	(20,000)	(212,000)
Recoveries	102,000	6,000
Allowance for loan losses, Ending balance	16,154,000	21,257,000
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment	16,154,000	21,257,000
Loans, net of unearned income, Balance, end of period	223,515,000	255,527,000
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment	223,515,000	255,527,000
Balance, end of period: Loans acquired with deteriorated credit quality	40,980,000	45,079,000
Covered Loan [Member] | Unallocated [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance
(Reversal of) Provision for loan losses
(Decrease) Increase in FDIC loss share receivable
Transfer of balance to OREO
Loans charged off
Recoveries
Allowance for loan losses, Ending balance
Allowance on loans individually evaluated for impairment
Allowance on loans collectively evaluated for impairment
Loans, net of unearned income, Balance, end of period
Balance, end of period: Loans individually evaluated for impairment
Balance, end of period: Loans collectively evaluated for impairment
Balance, end of period: Loans acquired with deteriorated credit quality

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On-Balance Sheet Derivative Instruments And Hedging Activities (Schedule Of Other Derivatives Not Designated As Hedging Instruments, Statements Of Financial Performance And Financial Position, Locations) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (1,330)	$ 3,998
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1,300)	(1,209)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net
Other Income [Member] | Interest Rate Contracts [Member] | Not Designated As Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	(2)	1
Not Designated As Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	(2)	1
Cash Flow Hedging [Member] | Interest Income [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1,300)	(1,209)
Cash Flow Hedging [Member] | Other Income [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net
Cash Flow Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (1,330)	$ 3,998

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Earnings Per Share (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Earnings Per Share [Abstract]
Weighted average number of shares, treasury stock	1,200,080	1,211,799	1,130,049	1,272,497
Weighted average number of shares, recognition and retention plan	578,049	581,444	571,068	559,114
Stock options having antidilutive effect on earnings per share	554,240	530,308	443,012	462,515

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Fair Value Measurements

9 Months Ended

Sep. 30, 2011

Fair Value Measurements [Abstract]

Fair Value Measurements

Note 13 – Fair Value Measurements

The Company follows the provisions of ASC Topic 820 when determining fair value. ASC Topic 820 clarifies the principle that fair value should be based on the assumptions market participants would use when pricing the asset or liability and establishes a fair value hierarchy that prioritizes the inputs used to develop those assumptions and measure fair value. The hierarchy requires the Company to maximize the use of observable inputs and minimize the use of unobservable inputs. The three levels of inputs used to measure fair value are as follows:

• Level 1 - Quoted prices in active markets for identical assets or liabilities.

• Level 2 - Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data.

• Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. This includes certain pricing models, discounted cash flow methodologies and similar techniques that use significant unobservable inputs.

A description of the valuation methodologies used for instruments measured at fair value follows, as well as the classification of such instruments within the valuation hierarchy.

Securities available for sale

Securities are classified within Level 1 where quoted market prices are available in an active market. Inputs include securities that have quoted prices in active markets for identical assets. If quoted market prices are unavailable, fair value is estimated using quoted prices of securities with similar characteristics, at which point the securities would be classified within Level 2 of the hierarchy. Examples may include certain collateralized mortgage and debt obligations. The Company's portfolio includes only one Level 3 security as of September 30, 2011. An other-than-temporary impairment was recorded on this security during the year ended December 31, 2010, and thus the security was recorded at management's estimate of the security's fair value based on the input assumptions discussed in detail below.

Mortgage loans held for sale

As of September 30, 2011, the Company has $131,726,000 of conforming mortgage loans held for sale. Mortgage loans originated and held for sale are carried at the lower of cost or estimated fair value. The Company obtains quotes or bids on these loans directly from purchasing financial institutions. Typically these quotes include a premium on the sale and thus these quotes indicate the fair value of the held for sale loans is greater than cost. At September 30, 2011, the entire balance of $131,726,000 is recorded at cost.

Impaired loans

Loans are measured for impairment using the methods permitted by ASC Topic 310. Fair value of impaired loans is measured by either the loans obtainable market price, if available (Level 1), the fair value of the collateral if the loan is collateral dependent (Level 2), or the present value of expected future cash flows, discounted at the loans effective interest rate (Level 3). Fair value of the collateral is determined by appraisals or independent valuation.

Other real estate owned

As of September 30, 2011, the Company has $123,307,000 in OREO and foreclosed property, which includes all real estate, other than bank premises used in bank operations, owned or controlled by the Company, including real estate acquired in settlement of loans. Properties are recorded at the balance of the loan or at estimated fair value less estimated selling costs, whichever is less, at the date acquired. Fair values of OREO at September 30, 2011 are determined by sales agreement or appraisal, and costs to sell are based on estimation per the terms and conditions of the sales agreement or amounts commonly used in real estate transactions. Inputs include appraisal values on the properties or recent sales activity for similar assets in the property's market, and thus OREO measured at fair value would be classified within Level 2 of the hierarchy. In accordance with the OREO treatment described, the Company included property write-downs of $2,486,000 and $698,000 in earnings for the three months ended September 30, 2011 and 2010 and $6,258,000 and $2,606,000 for the nine-month periods then ended.

Derivative financial instruments

The Company utilizes interest rate swap agreements to convert a portion of its variable-rate debt to a fixed rate (cash flow hedge). The Company also enters into commitments to originate loans whereby the interest rate on the prospective loan is determined prior to funding ("rate lock commitments"). Rate lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. Fair value of the interest rate swap and interest rate lock commitments are estimated using prices of financial instruments with similar characteristics, and thus the commitments are classified within Level 2 of the fair value hierarchy.

The Company has segregated all financial assets and liabilities that are measured at fair value on a recurring basis into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value at the measurement date in the table below.

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Recurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Available -for-sale securities	$	1,776,827	$	—	$	1,775,746	$	1,081
Derivative instruments		30,218		—		30,218		—
Total	$	1,807,045	$	—	$	1,805,964	$	1,081
Liabilities
Derivative instruments		32,265		—		32,265		—
Total	$	32,265	$	—	$	32,265	$	—

Between December 31, 2010 and September 30, 2011, available for sale securities with a market value of $49,107,000 at September 30, 2011 were transferred into the Level 2 fair value measurement category in the table above from the Level 1 category as disclosed at December 31, 2010. The four securities were issued by Fannie Mae or Freddie Mac and were included in the Level 1 category at December 31, 2010 because their fair value was based on a trade price for the identical mortgage-backed security. At September 30, 2011, the fair value of these securities was based on a trade price for similar assets, namely similar mortgage-backed securities.

Gains and losses (realized and unrealized) included in earnings (or changes in net assets) for the first nine months of 2011 related to assets and liabilities measured at fair value on a recurring basis are reported in noninterest income or other comprehensive income as follows:

(dollars in thousands)	Noninterest income		Other comprehensive income
Total gains (losses) included in earnings (or changes in net assets)	$	2,630	$	—
Change in unrealized gains (losses) relating to assets still held at September 30, 2011		—		8,535

The Company has segregated all financial assets and liabilities that are measured at fair value on a nonrecurring basis into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value at the measurement date in the table below.

(dollars in thousands)			Fair Value Measurements Using
			Quoted Prices in		Significant		Significant
Nonrecurring Basis			Active Markets for		Other Observable		Unobservable
			Identical Assets		Inputs		Inputs
Description	September 30, 2011		(Level 1)		(Level 2)		(Level 3)
Assets
Loans	$	14,859	$	—	$	14,859	$	—
OREO		13,159		—		13,159		—
Total	$	28,018	$	—	$	28,018	$	—

The table above excludes assets and liabilities measured on a non-recurring basis that were acquired as part of the OMNI, Cameron, and Florida Trust Company acquisitions completed in the current year that are discussed further in Note 4 to these unaudited consolidated financial statements. These assets and liabilities were recorded at their fair value upon acquisition in accordance with generally-accepted accounting principles and were not re-measured during the period subsequent to acquisition.

In accordance with the provisions of ASC Topic 310, the Company records loans considered impaired at their fair value. A loan is considered impaired if it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Fair value is measured at the fair value of the collateral for collateral-dependent loans. Impaired non-covered loans with an outstanding balance of $18,386,000 were recorded at their fair value at September 30, 2011. These loans include a reserve of $3,527,000 included in the Company's allowance for loan losses.

The Company did not record any liabilities at fair value for which measurement of the fair value was made on a nonrecurring basis during the three months ended September 30, 2011.

ASC Topic 825 provides the Company with an option to report selected financial assets and liabilities at fair value. The fair value option established by this Statement permits the Company to choose to measure eligible items at fair value at specified election dates and report unrealized gains and losses on items for which the fair value option has been elected in earnings at each reporting date subsequent to implementation. The Company has currently chosen not to elect the fair value option for any items that are not already required to be measured at fair value in accordance with generally accepted accounting principles, and as such has not included any gains or losses in earnings for the three and nine months ended September 30, 2011.

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Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Assets
Cash and due from banks	$ 206,464	$ 94,941
Interest-bearing deposits in banks	263,924	242,837
Total cash and cash equivalents	470,388	337,778
Fed funds sold		9,038
Securities available for sale, at fair value	1,776,827	1,729,794
Securities held to maturity, fair values of $286,281 and $291,994, respectively	280,533	290,020
Mortgage loans held for sale	131,726	83,905
Loans covered by loss share agreement	1,377,765	1,582,747
Non-covered loans, net of unearned income	5,848,559	4,452,585
Total loans, net of unearned income	7,226,324	6,035,332
Allowance for loan losses	(175,320)	(136,100)
Loans, net	7,051,004	5,899,232
FDIC loss share receivable	601,862	726,871
Premises and equipment, net	280,709	208,403
Goodwill	350,147	234,228
Other assets	585,666	507,497
Total Assets	11,528,862	10,026,766
Liabilities
Noninterest-bearing	1,414,520	878,768
Interest-bearing	7,775,509	7,036,338
Total deposits	9,190,029	7,915,106
Short-term borrowings	214,824	220,328
Long-term debt	461,982	432,251
Other liabilities	189,786	155,624
Total Liabilities	10,056,621	8,723,309
Shareholders' Equity
Common stock, $1 par value - 50,000,000 shares authorized; 31,163,070 and 28,079,841 shares issued, respectively	31,163	28,080
Additional paid-in-capital	1,135,238	956,864
Retained earnings	368,766	361,055
Accumulated other comprehensive income	23,216	14,680
Treasury stock at cost - 1,830,214 and 1,205,228 shares, respectively	(86,142)	(57,222)
Total Shareholders' Equity	1,472,241	1,303,457
Total Liabilities and Shareholders' Equity	$ 11,528,862	$ 10,026,766

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Acquisition Activity (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	May 31, 2011
Omni Bancshares, Inc [Member]
Business Acquisition [Line Items]
Goodwill		$ 64,571,000
Business acquisition, contingent consideration	46,407,000	46,407,000
Number of branch offices of acquiree	14
Operational days subsequent to acquisition	122
Business acquisition, amount paid	4,841,000
Acquisition date	5/31/2011
Cameron Bancshares, Inc [Member]
Business Acquisition [Line Items]
Goodwill	51,296,000
Business acquisition, contingent consideration	143,241,000	143,241,000
Number of branch offices of acquiree	22
Operational days subsequent to acquisition	122
Number of ATMs		48
Business acquisition, amount paid	3,154,000
Acquisition date	5/31/2011
Florida Corporation [Member]
Business Acquisition [Line Items]
Goodwill	52,000
Business acquisition, amount paid	700,000
Contingent payment for the acquisition of assets	700,000
Resulted additional intangible assets included in company's consolidated balance sheet	$ 1,400,000

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Commitments And Contingencies (Summary Of Financial Instruments Outstanding) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Commitments And Contingencies [Abstract]
Commitments to grant loans, Contract Amount	$ 310,328	$ 152,545
Unfunded commitments under lines of credit, Contract Amount	1,599,390	1,121,895
Commercial and standby letters of credit, Contract Amount	$ 49,953	$ 33,446

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Share-Based Compensation (Compensation Expense Included In Salaries And Employee Benefits Expense Related To Restricted Stock Grants) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Share-Based Compensation [Abstract]
Compensation expense related to restricted stock	$ 1,750	$ 1,606	$ 5,112	$ 4,569

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Loans Receivable (Schedule Of Aging Of Non-Covered Loans) (Details) (USD $) In Thousands	Sep. 30, 2011		Dec. 31, 2010
Loans Receivable [Line Items]
Past Due, 30-59 days	$ 23,992	[1]	$ 8,310
Past Due, 60-89 days	6,753	[1]	5,001
Past Due, Greater than 90 days	111,843	[1]	50,950
Credit risk by payment status, Past due greater than 30 days	142,588		64,261
Current	5,728,880		4,388,324
Discount	(22,909)	[2]
Total loans, net of unearned income	5,848,559		4,452,585
Recorded investment > 90 days and accruing	1,149		1,455
Residential Mortgage Loans [Member] | Residential - Prime [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	239	[1]	421
Past Due, 60-89 days	1,372	[1]	1,002
Past Due, Greater than 90 days	6,311	[1]	6,196
Credit risk by payment status, Past due greater than 30 days	7,922		7,620
Current	297,343		362,366
Total loans, net of unearned income	305,265		369,986
Recorded investment > 90 days and accruing	488		280
Residential Mortgage Loans [Member] | Residential - Subprime [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days
Past Due, 60-89 days
Past Due, Greater than 90 days
Credit risk by payment status, Past due greater than 30 days
Current
Total loans, net of unearned income
Recorded investment > 90 days and accruing
Commercial Loans [Member] | Commercial Real Estate - Construction [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	3,354	[1]
Past Due, 60-89 days	100	[1]	486
Past Due, Greater than 90 days	3,060	[1]	9,850
Credit risk by payment status, Past due greater than 30 days	6,514		10,336
Current	296,714		254,912
Total loans, net of unearned income	303,228		265,248
Recorded investment > 90 days and accruing	112		13
Commercial Loans [Member] | Real Estate- Other [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	7,427	[1]	3,568
Past Due, 60-89 days	349	[1]	1,975
Past Due, Greater than 90 days	46,495	[1]	24,788
Credit risk by payment status, Past due greater than 30 days	54,271		30,331
Current	2,240,853		1,486,165
Discount	(22,749)	[2]
Total loans, net of unearned income	2,272,375		1,516,496
Recorded investment > 90 days and accruing	340		1,018
Commercial Loans [Member] | Commercial Business [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	7,932	[1]	406
Past Due, 60-89 days	3,189	[1]
Past Due, Greater than 90 days	44,813	[1]	1,993
Credit risk by payment status, Past due greater than 30 days	55,934		2,399
Current	1,678,835		1,338,953
Total loans, net of unearned income	1,734,769		1,341,352
Recorded investment > 90 days and accruing	184		144
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	1,154	[1]	1,002
Past Due, 60-89 days	285	[1]	165
Past Due, Greater than 90 days	1,058	[1]	1,046
Credit risk by payment status, Past due greater than 30 days	2,497		2,213
Current	257,505		253,109
Total loans, net of unearned income	260,002		255,322
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	3,392	[1]	2,406
Past Due, 60-89 days	1,286	[1]	1,122
Past Due, Greater than 90 days	8,315	[1]	5,466
Credit risk by payment status, Past due greater than 30 days	12,993		8,994
Current	767,092		546,755
Discount	(160)	[2]
Total loans, net of unearned income	779,925		555,749
Recorded investment > 90 days and accruing	25
Consumer Loans [Member] | Credit Card [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	167	[1]	146
Past Due, 60-89 days	112	[1]	94
Past Due, Greater than 90 days	494	[1]	378
Credit risk by payment status, Past due greater than 30 days	773		618
Current	43,937		42,298
Total loans, net of unearned income	44,710		42,916
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Past Due, 30-59 days	327	[1]	361
Past Due, 60-89 days	60	[1]	157
Past Due, Greater than 90 days	1,297	[1]	1,232
Credit risk by payment status, Past due greater than 30 days	1,684		1,750
Current	146,602		103,766
Total loans, net of unearned income	$ 148,286		$ 105,516

[1] Past due loans include loans on nonaccrual status as of the period indicated. Nonaccrual loans are presented separately in the "Nonaccrual loans" section below.

[2] As discussed in Note 4 to these unaudited consolidated financial statements, the fair value of loans acquired from OMNI and Cameron is preliminary and subject to refinement in subsequent periods. Past due information includes loans acquired from OMNI and Cameron at the gross contractual balance outstanding at September 30, 2011. Inclusion of these loans on a gross basis elevates past due balances compared to December 31, 2010 and compared to the actual carrying balance of these loans.

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Allowance For Loan Losses And Credit Quality (Schedule Of Allowance For Loan Losses For Covered And Non-Covered Loan Portfolio) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	$ 136,100	$ 55,768
Provision for loan losses before benefit attributable to FDIC loss sharing agreements	51,773	92,721
Benefit attributable to FDIC loss share agreements	(30,184)	(61,494)
Provision charged to operations	21,589	31,227
Provision recorded through FDIC loss share receivable	30,184	61,494
Transfer of balance to OREO	(9,719)
Loans charged off	(9,916)	(23,335)
Recoveries	7,082	6,799
Allowance for loan losses, Ending balance	175,320	131,954
Covered Loan [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	73,640	145
Provision for loan losses before benefit attributable to FDIC loss sharing agreements	34,418	70,722
Benefit attributable to FDIC loss share agreements	(30,184)	(61,494)
Provision charged to operations	4,234	9,228
Provision recorded through FDIC loss share receivable	30,184	61,494
Transfer of balance to OREO	(9,719)
Loans charged off	(399)	(1,018)
Recoveries	516	728
Allowance for loan losses, Ending balance	98,456	70,578
Non-Covered Loans [Member]
Financing Receivable, Allowance For Credit Losses [Line Items]
Allowance for loan losses, Beginning balance	62,460	55,623
Provision for loan losses before benefit attributable to FDIC loss sharing agreements	17,355	21,999
Provision charged to operations	17,355	21,999
Loans charged off	(9,517)	(22,317)
Recoveries	6,566	6,071
Allowance for loan losses, Ending balance	$ 76,864	$ 61,376

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On-Balance Sheet Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010 Customer Interest Rate Contracts [Member] Offsetting Interest Rate Contracts [Member]	Sep. 30, 2011 Customer Interest Rate Contracts [Member]	Sep. 30, 2010 Customer Interest Rate Contracts [Member]	Sep. 30, 2011 Offsetting Interest Rate Contracts [Member]	Sep. 30, 2010 Offsetting Interest Rate Contracts [Member]	Sep. 30, 2011 Equity Indexed Certificates Of Deposit Asset [Member]	Sep. 30, 2010 Equity Indexed Certificates Of Deposit Asset [Member]	Sep. 30, 2011 Equity Indexed Certificates of Deposit Liability [Member]	Sep. 30, 2010 Equity Indexed Certificates of Deposit Liability [Member]
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 70,000,000	$ 70,000,000	$ 247,292,000	$ 289,385,000	$ 227,014,000	$ 289,385,000	$ 226,833,000	$ 149,038,000	$ 46,584,000	$ 149,038,000	$ 46,584,000
Fair value of derivatives	184,000
Interest rate swaps, interest expense decreased	1,300,000	1,209,000
Derivative, collateral, right to reclaim cash	$ 1,210,000

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Investment Securities (Schedule Of Changes In Other Comprehensive Income, Investment Portfolio Activity) (Details) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Investment Securities [Abstract]
Balance at beginning of period, net	$ 5,310	$ 10,376
Unrealized gain on securities available for sale	32,227	20,476
Other-than-temporary impairment		(517)
Reclassification adjustment for net (gains) losses realized in net income	(2,633)	(5,158)
Net unrealized gain	29,594	14,801
Tax effect	10,358	5,180
Net of tax change	19,236	9,621
Balance at end of period, net	$ 24,546	$ 19,997

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Loans Receivable (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Loans Receivable [Line Items]
Percentage of covered loan loss, covered under loss share agreements	80.00%
Percentage of covered loan loss that exceeds the threshold, covered under loss share agreements	95.00%
Provision for loan losses	$ 4,234,000
Indemnification asset for portion of losses recoverable	30,184,000
Total non-covered TDRs included in TDRs		17,586,000
Total covered TDRs included in TDRs	13,242,000
Total TDRs [Member]
Loans Receivable [Line Items]
Total TDRs	$ 29,105,000	$ 17,631,000

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Loans Receivable (Schedule Of Troubled Debt Restructurings) (Details) (Total TDRs [Member], USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Loans Receivable [Line Items]
Accruing loans, Current	$ 1,415	$ 15,074
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	27,690	2,557
Total TDRs	29,105	17,631
Residential Mortgage Loans [Member] | Residential - Prime [Member]
Loans Receivable [Line Items]
Accruing loans, Current		28
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs		17
Total TDRs		45
Commercial Loans [Member] | Real Estate [Member]
Loans Receivable [Line Items]
Accruing loans, Current	1,377	15,046
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	24,447	2,480
Total TDRs	25,824	17,526
Commercial Loans [Member] | Business [Member]
Loans Receivable [Line Items]
Accruing loans, Current	38
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	3,010	60
Total TDRs	3,048	60
Consumer Loans [Member] | Indirect Automobile [Member]
Loans Receivable [Line Items]
Accruing loans, Current
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs
Consumer Loans [Member] | Home Equity [Member]
Loans Receivable [Line Items]
Accruing loans, Current
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs	233
Total TDRs	233
Consumer Loans [Member] | Other Consumer [Member]
Loans Receivable [Line Items]
Accruing loans, Current
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs
Consumer Loans [Member] | Credit Card [Member]
Loans Receivable [Line Items]
Accruing loans, Current
Past Due Greater than 30 Days, Accruing Loans
Nonaccrual TDRs
Total TDRs

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Acquisition Activity (Schedule Of Acquisition Consideration) (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	May 31, 2011
Omni Bancshares, Inc [Member]
Business Acquisition [Line Items]
Common Stock issued, amount	$ 41,053,000
Common Stock issued, shares	698,768
Options issued, shares	41,979
Options issued, amount	513,000
Total Equity Consideration	41,566,000
Change in Control Payments	4,832,000
Cash	9,000
Business acquisition, amount paid	4,841,000
Total Consideration Paid	46,407,000	46,407,000
Fair Value of Net Assets Acquired including Identifiable Intangible Assets	(18,164,000)
Goodwill		64,571,000
Cameron Bancshares, Inc [Member]
Business Acquisition [Line Items]
Common Stock issued, amount	140,087,000
Common Stock issued, shares	2,384,461
Total Equity Consideration	140,087,000
Change in Control Payments	3,144,000
Cash	10,000
Business acquisition, amount paid	3,154,000
Total Consideration Paid	143,241,000	143,241,000
Fair Value of Net Assets Acquired including Identifiable Intangible Assets	91,945,000
Goodwill	$ 51,296,000