10-Q

UNITEDSTATES

SECURITIES ANDEXCHANGECOMMISSION

WASHINGTON,D.C. 20549

FORM 10-Q

[X]	Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2012.
[   ]	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from ______ to ______
	Commission file number 001-15373

ENTERPRISE FINANCIAL SERVICES CORP

Incorporated in the State of Delaware

I.R.S. Employer Identification # 43-1706259

Address: 150 North Meramec

Clayton, MO 63105

Telephone: (314) 725-5500

___________________

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, and (2) has been subject to such filing requirements for the past 90 days. Yes [X]  No [   ] 

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

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

Large accelerated filer o	Accelerated filer R	Non-accelerated filer o	Smaller reporting company o
		(Do not check if a 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]

As of August 3, 2012, the Registrant had 17,874,541 shares of outstanding common stock.

This document is also available through our website at http://www.enterprisebank.com.

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

TABLE OF CONTENTS

	Page
PART I - FINANCIAL INFORMATION
Item 1.  Financial Statements
Condensed Consolidated Balance Sheets (Unaudited)	1
Condensed Consolidated Statements of Operations (Unaudited)	2
Condensed Consolidated Statements of Comprehensive Income (Unaudited)	3
Condensed Consolidated Statements of Shareholder’s Equity (Unaudited)	4
Condensed Consolidated Statements of Cash Flows (Unaudited)	5
Notes to Condensed Consolidated Financial Statements (Unaudited)	6
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	29
Item 3. Quantitative and Qualitative Disclosures About Market Risk	46
Item 4. Controls and Procedures	47
PART II - OTHER INFORMATION
Item 1.  Legal Proceedings	48
Item 1A.  Risk Factors	49
Item 6. Exhibits	51
Signatures	52

PART 1 – ITEM 1 – FINANCIAL STATEMENTS

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Condensed Consolidated Balance Sheets (Unaudited)

(In thousands, except share and per share data)	June 30, 2012			December 31, 2011
Assets
Cash and due from banks	$	29,832		$	20,791
Federal funds sold	58			143
Interest-bearing deposits (including $3,520 and $2,650 pledged as collateral)	46,087			167,209
Total cash and cash equivalents	75,977			188,143
Interest-bearing deposits greater than 90 days	1,502			1,502
Securities available for sale	599,736			593,182
Mortgage loans held for sale	4,928			6,494
Portfolio loans not covered under FDIC loss share	1,948,994			1,897,074
Less: Allowance for loan losses	36,304			37,989
Portfolio loans not covered under FDIC loss share, net	1,912,690			1,859,085
Portfolio loans covered under FDIC loss share, net of the allowance for loan losses ($1,889 and $1,635, respectively)	240,599			298,975
Portfolio loans, net	2,153,289			2,158,060
Other real estate not covered under FDIC loss share	17,443			17,217
Other real estate covered under FDIC loss share	19,832			36,471
Other investments, at cost	14,501			14,527
Fixed assets, net	21,739			18,986
Accrued interest receivable	9,665			9,193
State tax credits, held for sale, including $24,836 and $26,350 carried at fair value, respectively	65,648			50,446
FDIC loss share receivable	88,436			184,554
Goodwill	30,334			30,334
Intangibles, net	8,310			9,285
Other assets	71,794			59,385
Total assets	$	3,183,134		$	3,377,779
Liabilities and Shareholders' Equity
Demand deposits	$	623,956		$	585,479
Interest-bearing transaction accounts	275,288			253,504
Money market accounts	957,428			1,084,304
Savings	70,227			51,145
Certificates of deposit:
$100 and over	468,766			550,535
Other	208,608			266,386
Total deposits	2,604,273			2,791,353
Subordinated debentures	85,081			85,081
Federal Home Loan Bank advances	90,500			102,000
Other borrowings	132,479			154,545
Accrued interest payable	1,459			1,762
Other liabilities	13,454			3,473
Total liabilities	2,927,246			3,138,214
Shareholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; 35,000 shares issued and outstanding	33,703			33,293
Common stock, $0.01 par value; 30,000,000 shares authorized; 17,933,051 and 17,849,862 shares issued, respectively	179			178
Treasury stock, at cost; 76,000 shares	(1,743		)	(1,743		)
Additional paid in capital	170,717			169,138
Retained earnings	46,892			35,097
Accumulated other comprehensive income	6,140			3,602
Total shareholders' equity	255,888			239,565
Total liabilities and shareholders' equity	$	3,183,134		$	3,377,779

See accompanying notes to condensed consolidated financial statements.

1

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Condensed Consolidated Statements of Operations (Unaudited)

	Three months ended June 30,						Six months ended June 30,
(In thousands, except per share data)	2012			2011			2012			2011
Interest income:
Interest and fees on loans	$	37,272		$	34,951		$	71,633		$	62,582
Interest on debt securities:
Taxable	2,366			3,243			4,812			5,813
Nontaxable	236			155			470			265
Interest on federal funds sold	—			—			—			1
Interest on interest-bearing deposits	65			113			142			261
Dividends on equity securities	90			97			187			170
Total interest income	40,029			38,559			77,244			69,092
Interest expense:
Interest-bearing transaction accounts	193			206			384			395
Money market accounts	1,240			2,124			2,670			4,206
Savings	72			9			141			18
Certificates of deposit:
$100 and over	1,840			2,305			3,809			4,662
Other	696			800			1,506			1,853
Subordinated debentures	980			1,126			2,129			2,247
Federal Home Loan Bank advances	768			888			1,606			1,788
Notes payable and other borrowings	107			97			237			211
Total interest expense	5,896			7,555			12,482			15,380
Net interest income	34,133			31,004			64,762			53,712
Provision for loan losses not covered under FDIC loss share	75			4,300			1,793			7,900
Provision for loan losses covered under FDIC loss share	206			275			2,491			275
Net interest income after provision for loan losses	33,852			26,429			60,478			45,537
Noninterest income:
Wealth Management revenue	1,991			1,658			3,700			3,341
Service charges on deposit accounts	1,413			1,194			2,743			2,331
Other service charges and fee income	578			331			1,172			641
Gain on sale of other real estate	1,256			99			2,413			522
Gain on state tax credits, net	587			987			924			1,142
Gain on sale of investment securities	134			506			1,156			680
Change in FDIC loss share receivable	(5,694		)	(1,081		)	(8,650		)	(365		)
Miscellaneous income	580			524			1,370			889
Total noninterest income	845			4,218			4,828			9,181
Noninterest expense:
Employee compensation and benefits	11,052			8,265			21,515			16,953
Occupancy	1,379			1,141			2,763			2,280
Furniture and equipment	386			431			850			785
Data processing	829			604			1,649			1,230
FDIC and other insurance	843			1,133			1,796			2,355
Loan legal and other real estate expense	1,955			3,255			4,029			5,691
Other	4,970			3,195			10,176			6,695
Total noninterest expense	21,414			18,024			42,778			35,989
Income before income tax expense	13,283			12,623			22,528			18,729
Income tax expense	4,517			4,350			7,577			6,344
Net income	$	8,766		$	8,273		$	14,951		$	12,385
Net income available to common shareholders	$	8,122		$	7,643		$	13,666		$	11,129
Earnings per common share
Basic	$	0.46		$	0.45		$	0.77		$	0.71
Diluted	0.44			0.43			0.75			0.70

See accompanying notes to condensed consolidated financial statements.

2

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Condensed Consolidated Statements of Comprehensive Income (Unaudited)

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Net income	$	8,766		$	8,273		$	14,951		$	12,385
Other comprehensive income, net of tax:
Unrealized gain on investment securities arising during the period, net of tax	1,482			4,101			3,278			5,058
Less reclassification adjustment for realized gain on sale of securities included in net income, net of tax	(86		)	(324		)	(740		)	(435		)
Reclassification of cash flow hedge, net of tax	—			(28		)	—			(56		)
Total other comprehensive income	1,396			3,749			2,538			4,567
Total comprehensive income	$	10,162		$	12,022		$	17,489		$	16,952

See accompanying notes to condensed consolidated financial statements.

3

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Condensed Consolidated Statements of Shareholders’ Equity (Unaudited)

(in thousands, except per share data)	Preferred Stock		Common Stock		Treasury Stock			Additional paid in capital		Retained earnings			Accumulated other comprehensive income (loss)			Total shareholders' equity
Balance January 1, 2012	$	33,293	$	178	$	(1,743	)	$	169,138	$	35,097		$	3,602		$	239,565
Net income	—		—		—			—		14,951			—			14,951
Change in fair value of available for sale securities, net of tax	—		—		—			—		—			3,278			3,278
Reclassification adjustment for realized gain on sale of securities included in net income, net of tax	—		—		—			—		—			(740		)	(740		)
Total comprehensive income																17,489
Cash dividends paid on common shares, $0.105 per share	—		—		—			—		(1,871		)	—			(1,871		)
Cash dividends paid on preferred stock	—		—		—			—		(875		)	—			(875		)
Preferred stock accretion of discount	410		—		—			—		(410		)	—			—
Issuance under equity compensation plans, net, 83,189 shares	—		1		—			455		—			—			456
Share-based compensation	—		—		—			1,124		—			—			1,124
Balance June 30, 2012	$	33,703	$	179	$	(1,743	)	$	170,717	$	46,892		$	6,140		$	255,888

(in thousands, except per share data)	Preferred Stock		Common Stock		Treasury Stock			Additional paid in capital		Retained earnings			Accumulated other comprehensive income (loss)			Total shareholders' equity
Balance January 1, 2011	$	32,519	$	150	$	(1,743	)	$	133,673	$	15,775		$	(573	)	$	179,801
Net income	—		—		—			—		12,385			—			12,385
Change in fair value of available for sale securities, net of tax	—		—		—			—		—			5,058			5,058
Reclassification adjustment for realized gain on sale of securities included in net income, net of tax	—		—		—			—		—			(435		)	(435		)
Reclassification of cash flow hedge, net of tax	—		—		—			—		—			(56		)	(56		)
Total comprehensive income																16,952
Cash dividends paid on common shares, $0.105 per share	—		—		—			—		(1,712		)	—			(1,712		)
Cash dividends paid on preferred stock	—		—		—			—		(875		)	—			(875		)
Preferred stock accretion of discount	381		—		—			—		(381		)	—			—
Issuance under equity compensation plans, net, 105,417 shares	—		1		—			1,312		—			—			1,313
Issuance under public stock offering 2,743,900 shares	—		27		—			32,593		—			—			32,620
Share-based compensation	—		—		—			748		—			—			748
Excess tax expense related to equity compensation plans	—		—		—			14		—			—			14
Balance June 30, 2011	$	32,900	$	178	$	(1,743	)	$	168,340	$	25,192		$	3,994		$	228,861

See accompanying notes to condensed consolidated financial statements.

4

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Condensed Consolidated Statements of Cash Flows (Unaudited)

	Six months ended June 30,
(in thousands)	2012			2011
Cash flows from operating activities:
Net income	$	14,951		$	12,385
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,278			1,387
Provision for loan losses	4,284			8,175
Deferred income taxes	(1,622		)	4,683
Net amortization of debt securities	3,999			2,490
Amortization of intangible assets	975			265
Gain on sale of investment securities	(1,156		)	(680		)
Mortgage loans originated for sale	(47,839		)	(29,554		)
Proceeds from mortgage loans sold	49,158			33,374
Gain on sale of other real estate	(2,413		)	(522		)
Gain on state tax credits, net	(924		)	(1,142		)
Excess tax benefit of share-based compensation	—			(14		)
Share-based compensation	1,124			748
Valuation adjustment on other real estate	1,814			2,643
Net accretion of loan discount and indemnification asset	(5,011		)	(9,465		)
Changes in:
Accrued interest receivable	(472		)	36
Accrued interest payable	(303		)	(50		)
Prepaid FDIC insurance	1,252			1,744
Other assets	(2,710		)	(531		)
Other liabilities	9,981			(3,012		)
Net cash provided by operating activities	26,366			22,960
Cash flows from investing activities:
Cash received from acquisition of Legacy Bank	—			8,926
Net decrease (increase) in loans	3,340			(48,536		)
Net cash proceeds received from FDIC loss share receivable	70,014			22,673
Proceeds from the sale of debt and equity securities, available for sale	110,876			35,423
Proceeds from the maturity of debt and equity securities, available for sale	63,233			62,840
Proceeds from the redemption of other investments	4,498			422
Proceeds from the sale of state tax credits held for sale	4,134			4,057
Proceeds from the sale of other real estate	34,327			12,897
Payments for the purchase/origination of:
Available for sale debt and equity securities	(179,285		)	(194,254		)
Other investments	(4,481		)	(895		)
State tax credits held for sale	(18,347		)	—
Fixed assets	(3,904		)	(309		)
Net cash provided by (used in) investing activities	84,405			(96,756		)
Cash flows from financing activities:
Net increase in noninterest-bearing deposit accounts	38,477			77,751
Net decrease in interest-bearing deposit accounts	(225,558		)	(77,815		)
Proceeds from Federal Home Loan Bank advances	91,500			—
Repayments of Federal Home Loan Bank advances	(103,000		)	(21,556		)
Net decrease in other borrowings	(22,066		)	(31,559		)
Cash dividends paid on common stock	(1,871		)	(1,712		)
Excess tax benefit of share-based compensation	—			14
Cash dividends paid on preferred stock	(875		)	(876		)
Issuance of common stock	—			32,620
Proceeds from the issuance of equity instruments	456			1,313
Net cash used in financing activities	(222,937		)	(21,820		)
Net decrease in cash and cash equivalents	(112,166		)	(95,616		)
Cash and cash equivalents, beginning of period	188,143			293,668
Cash and cash equivalents, end of period	$	75,977		$	198,052
Supplemental disclosures of cash flow information:
Cash paid during the period for:
Interest	$	12,179		$	15,392
Income taxes	10,378			9,337
Noncash transactions:
Transfer to other real estate owned in settlement of loans	$	13,481		$	14,686
Sales of other real estate financed	2,673			1,562

See accompanying notes to condensed consolidated financial statements.

5

ENTERPRISE FINANCIAL SERVICES CORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The significant accounting policies used by Enterprise Financial Services Corp (the “Company” or “Enterprise”) in the preparation of the condensed consolidated financial statements are summarized below:

Business and Consolidation

Enterprise is a financial holding company that provides a full range of banking and wealth management services to individuals and corporate customers located in the St. Louis, Kansas City and Phoenix metropolitan markets through its banking subsidiary, Enterprise Bank & Trust (the “Bank”).

Operating results for the three and six months ended June 30, 2012 are not necessarily indicative of the results that may be expected for any other interim period or for the year ending December 31, 2012. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

Basis of Financial Statement Presentation

The condensed consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. They do not include all information and footnotes required by U.S. GAAP for annual financial statements. The condensed consolidated financial statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain 2011 amounts in the consolidated financial statements have been reclassified to conform to the 2012 presentation. These reclassifications have no effect on Net income or Shareholders' equity as previously reported.

NOTE 2 - EARNINGS PER SHARE

Basic earnings per common share data is calculated by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Common shares outstanding include common stock and restricted stock awards where recipients have satisfied the vesting terms. Diluted earnings per common share gives effect to all dilutive potential common shares outstanding during the period using the treasury stock method and the if-converted method for convertible securities related to the issuance of trust preferred securities.

6

The following table presents a summary of per common share data and amounts for the periods indicated.

	Three months ended June 30,						Six months ended June 30,
(in thousands, except per share data)	2012			2011			2012			2011
Net income as reported	$	8,766		$	8,273		$	14,951		$	12,385
Preferred stock dividend	(438		)	(438		)	(875		)	(875		)
Accretion of preferred stock discount	(206		)	(192		)	(410		)	(381		)
Net income available to common shareholders	$	8,122		$	7,643		$	13,666		$	11,129
Impact of assumed conversions
Interest on 9% convertible trust preferred securities, net of income tax	371			371			742			742
Net income available to common shareholders and assumed conversions	$	8,493		$	8,014		$	14,408		$	11,871
Weighted average common shares outstanding	17,833			17,140			17,808			15,601
Incremental shares from assumed conversions of convertible trust preferred securities	1,439			1,439			1,439			1,439
Additional dilutive common stock equivalents	14			23			32			20
Diluted common shares outstanding	19,286			18,602			19,279			17,060
Basic earnings per common share:	$	0.46		$	0.45		$	0.77		$	0.71
Diluted earnings per common share:	$	0.44		$	0.43		$	0.75		$	0.70

For the three months ended June 30, 2012 and 2011, the amount of common stock equivalents that were excluded from the earnings per share calculations because their effect was anti-dilutive was 1.1 million (including 324,074 common stock warrants) and 782,266 common stock equivalents (including 324,074 common stock warrants), respectively. For the six months ended June 30, 2012 and 2011, the amount of common stock equivalents that were excluded from the earnings per share calculations because their effect was anti-dilutive was 1.0 million (including 324,074 common stock warrants) and 925,049 (including 324,074 common stock warrants), respectively.

7

NOTE 3 - INVESTMENTS

The following table presents the amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale:

	June 30, 2012
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	119,467	$	2,177	$	—		$	121,644
Obligations of states and political subdivisions	41,070		2,056		(390		)	42,736
Residential mortgage-backed securities	429,351		6,225		(220		)	435,356
	$	589,888	$	10,458	$	(610	)	$	599,736
	December 31, 2011
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	126,305	$	678	$	(66	)	$	126,917
Obligations of states and political subdivisions	38,489		1,729		(381		)	39,837
Residential mortgage-backed securities	422,761		5,269		(1,602		)	426,428
	$	587,555	$	7,676	$	(2,049	)	$	593,182

At June 30, 2012, and December 31, 2011, there were no holdings of securities of any one issuer in an amount greater than 10% of shareholders’ equity, other than the U.S. government agencies and sponsored enterprises. The residential mortgage-backed securities are all issued by U.S. government sponsored enterprises. Available for sale securities having a fair value of $242.5 million and $287.8 million at June 30, 2012, and December 31, 2011, respectively, were pledged as collateral to secure deposits of public institutions and for other purposes as required by law or contract provisions.

The amortized cost and estimated fair value of debt securities classified as available for sale at June 30, 2012, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The weighted average life of the mortgage-backed securities is approximately 3 years.

(in thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	2,257	$	2,284
Due after one year through five years	113,163		115,615
Due after five years through ten years	40,811		42,347
Due after ten years	4,306		4,134
Mortgage-backed securities	429,351		435,356
	$	589,888	$	599,736

8

The following table represents a summary of available-for-sale investment securities that had an unrealized loss:

	June 30, 2012
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of the state and political subdivisions	$	3,298	$	33	$	3,043	$	357	$	6,341	$	390
Residential mortgage-backed securities	60,461		220		—		—		60,461		220
	$	63,759	$	253	$	3,043	$	357	$	66,802	$	610
	December 31, 2011
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government sponsored enterprises	$	23,389	$	66	$	—	$	—	$	23,389	$	66
Obligations of the state and political subdivisions	1,503		8		3,027		373		4,530		381
Residential mortgage-backed securities	86,954		1,598		4,203		4		91,157		1,602
	$	111,846	$	1,672	$	7,230	$	377	$	119,076	$	2,049

The unrealized losses at both June 30, 2012, and December 31, 2011, were primarily attributable to changes in market interest rates since the securities were purchased. Management systematically evaluates investment securities for other-than-temporary declines in fair value on a quarterly basis. This analysis requires management to consider various factors, which include (1) the present value of the cash flows expected to be collected compared to the amortized cost of the security, (2) duration and magnitude of the decline in value, (3) the financial condition of the issuer or issuers, (4) structure of the security and (5) the intent to sell the security or whether it is more likely than not that the Company would be required to sell the security before its anticipated recovery in market value. At June 30, 2012, management performed its quarterly analysis of all securities with an unrealized loss and concluded no individual securities were other-than-temporarily impaired.

The gross gains and gross losses realized from sales of available-for-sale investment securities were as follows:

	Three months ended June 30,					Six months ended June 30,
(in thousands)	2012			2011		2012			2011
Gross gains realized	$	324		$	506	$	1,399		$	680
Gross losses realized	(190		)	—		(243		)	—
Proceeds from sales	46,400			30,123		110,876			35,423

9

NOTE 4 - PORTFOLIO LOANS NOT COVERED BY LOSS SHARE ("Non-covered")

Below is a summary of Non-covered loans by category at June 30, 2012, and December 31, 2011:

(in thousands)	June 30, 2012			December 31, 2011
Real Estate Loans:
Construction and Land Development	$	142,474		$	140,147
Commercial real estate - Investor Owned	479,492			477,154
Commercial real estate - Owner Occupied	322,491			334,416
Residential real estate	149,410			171,034
Total real estate loans	$	1,093,867		$	1,122,751
Commercial and industrial	841,383			763,202
Consumer & other	14,020			11,459
Portfolio Loans	$	1,949,270		$	1,897,412
Unearned loan costs, net	(276		)	(338		)
Portfolio loans, including unearned loan costs	$	1,948,994		$	1,897,074

The Company grants commercial, residential, and consumer loans primarily in the St. Louis, Kansas City and Phoenix metropolitan areas. The Company has a diversified loan portfolio, with no particular concentration of credit in any one economic sector; however, a substantial portion of the portfolio is concentrated in and secured by real estate. The ability of the Company’s borrowers to honor their contractual obligations is partially dependent upon the local economy and its effect on the real estate market.

10

A summary of the year-to-date activity in the allowance for loan losses and the recorded investment in Non-covered loans by portfolio class and category based on impairment method through June 30, 2012, and at December 31, 2011, is as follows:

(in thousands)	Commercial & Industrial			Commercial Real Estate Owner Occupied			Commercial Real Estate Investor Owned			Construction and Land Development			Residential Real Estate			Consumer & Other		Qualitative Adjustment			Total
Allowance for Loan Losses:
Balance at December 31, 2011	$	11,945		$	6,297		$	6,751		$	5,847		$	3,931		$	14	$	3,204		$	37,989
Provision charged to expense	929			1,231			216			269			(555		)	—		(372		)	1,718
Losses charged off	(585		)	(746		)	(185		)	(856		)	(362		)	—		—			(2,734		)
Recoveries	96			2			15			152			356			2		—			623
Balance at March 31, 2012	$	12,385		$	6,784		$	6,797		$	5,412		$	3,370		$	16	$	2,832		$	37,596
Provision charged to expense	(3,201		)	(744		)	3,518			442			(189		)	3		246			75
Losses charged off	(406		)	(739		)	(108		)	(502		)	(216		)	—		—			(1,971		)
Recoveries	203			5			15			97			284			—		—			604
Balance at June 30, 2012	$	8,981		$	5,306		$	10,222		$	5,449		$	3,249		$	19	$	3,078		$	36,304

(in thousands)	Commercial & Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Investor Owned		Construction and Land Development		Residential Real Estate		Consumer & Other		Qualitative Adjustment		Total
Balance June 30, 2012
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	2,098	$	2,257	$	2,244	$	1,408	$	544	$	—	$	—	$	8,551
Collectively evaluated for impairment	6,883		3,049		7,978		4,041		2,705		19		3,078		27,753
Total	$	8,981	$	5,306	$	10,222	$	5,449	$	3,249	$	19	$	3,078	$	36,304
Loans - Ending Balance:
Individually evaluated for impairment	$	4,667	$	10,130	$	9,937	$	11,278	$	4,543	$	—	$	—	$	40,555
Collectively evaluated for impairment	836,716		312,361		469,555		131,196		144,867		13,744		—		1,908,439
Total	$	841,383	$	322,491	$	479,492	$	142,474	$	149,410	$	13,744	$	—	$	1,948,994
Balance at December 31, 2011
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	3,214	$	1,377	$	2,315	$	2,927	$	896	$	—	$	—	$	10,729
Collectively evaluated for impairment	8,731		4,920		4,436		2,920		3,035		14		3,204		27,260
Total	$	11,945	$	6,297	$	6,751	$	5,847	$	3,931	$	14	$	3,204	$	37,989
Loans - Ending Balance:
Individually evaluated for impairment	$	5,634	$	4,572	$	11,127	$	14,767	$	5,522	$	—	$	—	$	41,622
Collectively evaluated for impairment	757,568		329,844		466,027		125,380		165,512		11,121		—		1,855,452
Total	$	763,202	$	334,416	$	477,154	$	140,147	$	171,034	$	11,121	$	—	$	1,897,074

11

A summary of Non-covered loans individually evaluated for impairment by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	4,786	$	601	$	4,066	$	4,667	$	2,098	$	7,784
Real Estate:
Commercial - Owner Occupied	11,743		3,180		6,950		10,130		2,257		8,669
Commercial - Investor Owned	13,866		1,759		8,178		9,937		2,244		9,710
Construction and Land Development	17,216		5,946		5,332		11,278		1,408		12,266
Residential	4,854		1,704		2,839		4,543		544		5,012
Consumer & Other	—		—		—		—		—		—
Total	$	52,465	$	13,190	$	27,365	$	40,555	$	8,551	$	43,441

	December 31, 2011
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	7,517	$	128	$	5,506	$	5,634	$	3,214	$	6,571
Real Estate:
Commercial - Owner Occupied	5,099		—		4,572		4,572		1,377		2,711
Commercial - Investor Owned	15,676		914		10,213		11,127		2,315		10,562
Construction and Land Development	19,685		1,628		13,139		14,767		2,927		16,114
Residential	6,465		2,211		3,311		5,522		896		9,588
Consumer & Other	—		—		—		—		—		—
Total	$	54,442	$	4,881	$	36,741	$	41,622	$	10,729	$	45,546

There were no loans over 90 days past due and still accruing interest at June 30, 2012. If interest on impaired loans would have been accrued based upon the original contractual terms, such income would have been $676,000 and $1.5 million for the three and six months ended June 30, 2012, respectively. The cash amount collected and recognized as interest income on impaired loans was $115,000 and $241,000 for the three and six months ended June 30, 2012, respectively. The amount recognized as interest income on impaired loans continuing to accrue interest was $79,000 and $238,000 for the three and six months ended June 30, 2012, respectively. At June 30, 2012, there were $1.1 million of unadvanced commitments on impaired loans. Other Liabilities include approximately $212,000 for estimated losses attributable to the unadvanced commitments on impaired loans.

12

The recorded investment in impaired Non-covered loans by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,008	$	659	$	—	$	4,667
Real Estate:
Commercial - Investor Owned	5,143		4,794		—		9,937
Commercial - Owner Occupied	10,130		—		—		10,130
Construction and Land Development	8,015		3,263		—		11,278
Residential	2,847		1,696		—		4,543
Consumer & Other	—		—		—		—
Total	$	30,143	$	10,412	$	—	$	40,555

	December 31, 2011
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,475	$	1,159	$	—	$	5,634
Real Estate:
Commercial - Investor Owned	6,647		4,480		—		11,127
Commercial - Owner Occupied	4,129		443		—		4,572
Construction and Land Development	10,335		3,677		755		14,767
Residential	5,299		223		—		5,522
Consumer & Other	—		—		—		—
Total	$	30,885	$	9,982	$	755	$	41,622

The recorded investment by category for the Non-covered loans that have been restructured for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012					Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance		Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance
Commercial & Industrial	—	$	—	$	—	1	$	659	$	659
Real Estate:
Commercial - Owner Occupied	—	—		—		—	—		—
Commercial - Investor Owned	—	—		—		1	4,365		4,794
Construction and Land Development	—	—		—		2	4,341		3,263
Residential	—	—		—		1	1,696		1,696
Consumer & Other	—	—		—		—	—		—
Total	—	$	—	$	—	5	$	11,061	$	10,412

13

The restructured Non-covered loans primarily resulted from interest rate concessions and changing the terms of the loans. As of June 30, 2012, the Company has allocated $2.3 million of specific reserves to the loans that have been restructured. At June 30, 2012, the Company has a commitment to lend an additional $741,000 to a customer with an outstanding loan that has been classified as restructured and has allocated a $141,000 reserve to this loan.

The recorded investment by category for the Non-covered loans that have been restructured and subsequently defaulted for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012			Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial & Industrial	—	$	—	1	$	16
Real Estate:
Commercial - Owner Occupied	—	—		—	—
Commercial - Investor Owned	—	—		—	—
Construction and Land Development	—	—		—	—
Residential	—	—		—	—
Consumer & Other	—	—		—	—
Total	—	$	—	1	$	16

14

The aging of the recorded investment in past due Non-covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	1,091	$	—	$	1,091	$	840,292	$	841,383
Real Estate:
Commercial - Owner Occupied	1,200		1,444		2,644		319,847		322,491
Commercial - Investor Owned	133		4,980		5,113		474,379		479,492
Construction and Land Development	617		6,618		7,235		135,239		142,474
Residential	1,203		1,789		2,992		146,418		149,410
Consumer & Other	—		—		—		13,744		13,744
Total	$	4,244	$	14,831	$	19,075	$	1,929,919	$	1,948,994

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	4,521	$	792	$	5,313	$	757,889	$	763,202
Real Estate:
Commercial - Owner Occupied	1,945		1,522		3,467		330,949		334,416
Commercial - Investor Owned	2,308		4,209		6,517		470,637		477,154
Construction and Land Development	1,356		9,786		11,142		129,005		140,147
Residential	299		4,137		4,436		166,598		171,034
Consumer & Other	—		—		—		11,121		11,121
Total	$	10,429	$	20,446	$	30,875	$	1,866,199	$	1,897,074

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt, such as current financial information, historical payment experience, credit documentation, and current economic factors among other factors. This analysis is performed on a quarterly basis. The Company uses the following definitions for risk ratings:

• Grades 1, 2, and 3 - These grades include loans to borrowers with a continuous record of strong earnings, sound balance sheet condition and capitalization, ample liquidity with solid cash flow and whose management team has experience and depth within their industry.

• Grade 4– This grade includes loans to borrowers with positive trends in profitability, satisfactory capitalization and balance sheet condition, and sufficient liquidity and cash flow.

• Grade 5 – This grade includes loans to borrowers that may display fluctuating trends in sales, profitability, capitalization, liquidity, and cash flow.

• Grade 6– This grade includes loans to borrowers where an adverse change or perceived weakness has occurred, but may be correctable in the near future. Alternatively, this rating category may also include circumstances where the company is starting to reverse a negative trend or condition, or have recently been upgraded from a 7, 8, or 9 rating.

• Grade 7 – Watch credits are companies that have experienced financial setback of a nature that are not determined to be severe or influence ‘ongoing concern’ expectations. Borrowers within this category are expected to turnaround within a 12-month period of time. Although possible, no loss is anticipated, due to strong collateral and/or guarantor support.

15

• Grade 8 – Substandard credits will include those companies that are characterized by significant losses and sustained downward trends in balance sheet condition, liquidity, and cash flow. Repayment reliance may have shifted to secondary sources. Collateral exposure may exist and additional reserves may be warranted.

• Grade 9 – Doubtful credits include borrowers that may show deteriorating trends that are unlikely to be corrected. Collateral values may appear insufficient for full recovery, therefore requiring a partial charge-off, or debt renegotiation with the borrower. Borrower may have declared bankruptcy or bankruptcy is likely in the near term. All doubtful rated credits will be on non-accrual.

The recorded investment by risk category of the Non-covered loans by portfolio class and category at June 30, 2012, which is based upon the most recent analysis performed, and December 31, 2011 is as follows:

	June 30, 2012
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	768,797	$	52,630	$	19,956	$	—	$	841,383
Real Estate:
Commercial - Owner Occupied	273,950		33,381		14,816		344		322,491
Commercial - Investor Owned	393,624		50,330		35,538		—		479,492
Construction and Land Development	97,463		17,830		26,492		689		142,474
Residential	127,496		5,124		16,790		—		149,410
Consumer & Other	13,738		6		—		—		13,744
Total	$	1,675,068	$	159,301	$	113,592	$	1,033	$	1,948,994

	December 31, 2011
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	683,239	$	50,197	$	27,229	$	2,537	$	763,202
Real Estate:
Commercial - Owner Occupied	276,802		40,207		16,225		1,182		334,416
Commercial - Investor Owned	405,686		56,370		14,894		204		477,154
Construction and Land Development	91,286		27,056		21,461		344		140,147
Residential	148,309		4,814		16,419		1,492		171,034
Consumer & Other	11,112		9		—		—		11,121
Total	$	1,616,434	$	178,653	$	96,228	$	5,759	$	1,897,074

NOTE 5 - PORTFOLIO LOANS COVERED BY LOSS SHARE ("Covered loans")

Purchased loans acquired in a business combination, including loans purchased in our FDIC-assisted transactions, are recorded at estimated fair value on their purchase date without a carryover of the related allowance for loan losses. Purchased credit-impaired loans are loans that have evidence of credit deterioration since origination and it is probable at the date of acquisition that the Company will not collect all contractually required principal and interest payments. Evidence of credit quality deterioration as of the purchase date may include factors such as past due and non-accrual status. The difference between contractually required payments at acquisition and the cash flows expected to be collected at acquisition is referred to as the non-accretable yield. Subsequent decreases to the expected cash flows will generally result in a provision for loan losses. Subsequent increases in cash flows result in a reversal of the provision for loan losses to the extent of prior charges or a reclassification of the difference from non-accretable to accretable with a positive impact on interest income, prospectively. Further, any excess of cash flows expected at acquisition over the estimated fair value is referred to as the accretable yield and is recognized into interest income over the remaining life of the loan when there is a reasonable expectation about the amount and timing of such cash flows. Acquired loans that have common risk characteristics are aggregated into pools. The Company remeasures contractual and expected cash flows, at the pool-level, on a quarterly basis.

16

Inputs to the determination of expected cash flows include contractual cash flows, cumulative default and prepayment data as well as loss severity and recovery lag information. Cumulative default and prepayment data are calculated via a transition matrix. The transition matrix is a matrix of probability values that specifies the probability of a loan pool transitioning into a loss given its delinquency state (e.g. 0-30 days past due, 31 to 60 days, etc.) at the remeasurement date. Loss severity factors are based upon industry data along with actual charge-off data within the loan pools and recovery lags are based upon industry data along with experience with the collateral within the loan pools.

Covered loans are also subject to the Company’s internal and external credit review and are risk rated using the same criteria as loans originated by the Company. However, risk ratings are not always a clear indicator of the Company's losses on acquired loans as a majority of the losses are recoverable from the FDIC under the loss-sharing agreements.

Below is a summary of Covered loans by category at June 30, 2012, and December 31, 2011:

	June 30, 2012			December 31, 2011
(in thousands)	Weighted- Average Risk Rating	Recorded Investment Covered Loans		Weighted- Average Risk Rating	Recorded Investment Covered Loans
Real Estate Loans:
Construction and Land Development	7.14	$	40,023	7.22	$	65,990
Commercial real estate - Investor Owned	5.99	69,332		6.12	75,093
Commercial real estate - Owner Occupied	6.42	51,096		6.03	63,101
Residential real estate	5.45	51,626		4.81	56,828
Total real estate loans		$	212,077		$	261,012
Commercial and industrial	6.92	28,634		6.61	36,423
Consumer & other	4.25	1,777		4.14	3,175
Portfolio Loans		$	242,488		$	300,610

Below is a summary of the activity in the allowance for loan losses for Covered loans at June 30, 2012, and

June 30, 2011:

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Balance at beginning of period	$	3,010		$	—		$	1,635		$	—
Provision charged to expense	206			275			2,491			275
Loans charged off	(1,152		)	(275		)	(2,062		)	(275		)
Recoveries	6			—			6			—
Other	(181		)	—			(181		)	—
Balance at end of period	$	1,889		$	—		$	1,889		$	—

17

The aging of the recorded investment in past due Covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	785	$	6,967	$	7,752	$	20,882	$	28,634
Real Estate:
Commercial - Owner Occupied	304		7,955		8,259		42,837		51,096
Commercial - Investor Owned	1,071		2,254		3,325		66,007		69,332
Construction and Land Development	727		19,704		20,431		19,592		40,023
Residential	1,771		2,982		4,753		46,873		51,626
Consumer & Other	1		3		4		1,773		1,777
Total	$	4,659	$	39,865	$	44,524	$	197,964	$	242,488

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	879	$	9,867	$	10,746	$	25,677	$	36,423
Real Estate:
Commercial - Owner Occupied	1,438		9,684		11,122		51,979		63,101
Commercial - Investor Owned	2,530		7,021		9,551		65,542		75,093
Construction and Land Development	2,842		28,745		31,587		34,403		65,990
Residential	1,634		3,341		4,975		51,853		56,828
Consumer & Other	236		7		243		2,932		3,175
Total	$	9,559	$	58,665	$	68,224	$	232,386	$	300,610

The accretable yield is accreted into interest income over the estimated life of the acquired loans using the effective

yield method. Other adjustments to the accretable yield include changes in the estimated remaining life of the acquired loans, changes in expected cash flows and changes of indices for acquired loans with variable interest rates.

Changes in the accretable yield for purchased loans were as follows for the six months ended June 30, 2012, and 2011:

(in thousands)	June 30, 2012			June 30, 2011
Balance at beginning of period	$	63,335		$	46,460
Additions	—			10,875
Accretion	(18,796		)	(11,433		)
Reclassifications from nonaccretable difference	73,381			—
Other	(2,746		)	—
Balance at end of period	$	115,174		$	45,902

Other changes in the accretable yield include the impact of cash flow timing estimates, changes in variable interest rates, and other non-credit related adjustments. Outstanding balances on purchased loans from the FDIC were $376.2 million and $496.2 million as of June 30, 2012, and December 31, 2011, respectively. For the three months ended and six months ended June 30, 2012, the Bank received payments of $58.4 million and $70.0 million, respectively, for loss share claims under the terms of the FDIC shared-loss agreements.

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NOTE 6 - COMMITMENTS AND CONTINGENCIES

The Company issues financial instruments with off balance sheet risk in the normal course of the business of meeting the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. These instruments may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in the consolidated balance sheets.

The Company’s extent of involvement and maximum potential exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual amount of these instruments.

The Company uses the same credit policies in making commitments and conditional obligations as it does for financial instruments included on its consolidated balance sheets. At June 30, 2012, there were $1.1 million of unadvanced commitments on impaired loans. Other liabilities include approximately $212,000 for estimated losses attributable to the unadvanced commitments on impaired loans.

The contractual amounts of off-balance-sheet financial instruments as of June 30, 2012, and December 31, 2011, are as follows:

(in thousands)	June 30, 2012		December 31, 2011
Commitments to extend credit	$	674,622	$	547,657
Standby letters of credit	47,538		43,973

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 usually have fixed expiration dates or other termination clauses, may have significant usage restrictions, and may require payment of a fee. Of the total commitments to extend credit at June 30, 2012, and December 31, 2011, approximately $95.7 million and $75.7 million, respectively, represent fixed rate loan commitments. Since certain of the commitments may expire without being drawn upon or may be revoked, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the borrower. Collateral held varies, but may include accounts receivable, inventory, premises and equipment, and real estate. Included in the June 30, 2012 commitments to extend credit are $74 million of lines with significant usage restrictions.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. These standby letters of credit are issued to support contractual obligations of the Company’s customers. The credit risk involved in issuing letters of credit is essentially the same as the risk involved in extending loans to customers. The approximate remaining term of standby letters of credit range from 6 months to 5 years at June 30, 2012.

Contingencies

The Company and its subsidiaries are, from time to time, parties to various legal proceedings arising out of their businesses. Other than those described below, management believes that there are no such proceedings pending or threatened against the Company or its subsidiaries which, if determined adversely, would have a material adverse effect on the business, consolidated financial condition, results of operations or cash flows of the Company or any of its subsidiaries.

Distinctive Notes

The Bank, along with other co-defendants has been named as a defendant in two lawsuits filed by persons alleging to be clients of the Bank’s Trust division who invested in promissory notes (the "Distinctive Notes") issued by Distinctive Properties (UK) Limited (“Distinctive Properties”), a company involved in the purchase and development of real estate

19

in the United Kingdom. The Company is unable to estimate a reasonably possible loss for the cases described below because the proceedings are in early stages and there are significant factual issues to be determined and resolved in each case. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuits.

Rosemann, et al. v. Martin Sigillito, et al. 

In one of the lawsuits, the plaintiffs allege that the investments in the Distinctive Notes were part of a multi-million dollar Ponzi scheme. Plaintiffs allege to hold such promissory notes in accounts with the Trust division and that, among other things, the Bank was negligent, breached its fiduciary duties and breached its contracts. Plaintiffs also allege that the Bank violated the Racketeer Influenced and Corrupt Organizations Act (“RICO”). Plaintiffs, in the aggregate, are seeking damages from defendants, including the Bank, in excess of $25.0 million as well as their costs and attorneys’ fees and trebled damages under RICO.

As previously reported, on July 1, 2011, the United States moved to intervene in the case for purposes of securing a stay of the case pending completion of its criminal case against the individual defendants, which did not include the Company, the Bank or any affiliates thereof.

BJD, LLC and Barbara Dunning v. Enterprise Bank & Trust, et. al.

The Bank has also been named as a defendant in this case, relating to BJD’s investment in the Distinctive Notes. Plaintiffs allege that the Bank, and the other defendants breached their fiduciary duties and were negligent in allowing plaintiffs to invest in the Distinctive Notes because the loan program was allegedly never funded and the assets of the borrower did not exist or were overvalued. Plaintiffs are seeking approximately $800,000 in damages, 9% interest, punitive damages, attorneys’ fees and costs.

On July 11, 2011, the U.S. Attorney's Office moved to intervene in this case as well for purposes of seeking a stay of certain discovery pending completion of the above described criminal proceedings. As a result, certain discovery in the case was put on hold for the duration of such criminal proceedings.

The criminal proceedings against Sigillito began on March 19, 2012. After a four week trial, Sigillito was found guilty of 20 counts of wire fraud, mail fraud, conspiracy and money laundering. Following this verdict, the judge lifted the stay in the Rosemann case and scheduled a Rule 16 conference for May 31, 2012. The case is now set for a four week jury trial starting August 26, 2013. The court in the Dunning case has granted the Bank's motion to compel arbitration and stay proceedings. Arbitration proceedings are not yet underway.

William Mark Scott v. Enterprise Financial Services Corp, et. al.

On April 10, 2012, a putative class action was filed in the United States District Court for the Eastern District of Missouri captioned William Mark Scott v. Enterprise Financial Services Corp, Peter F. Benoist, and Frank H. Sanfilippo. The complaint asserts claims for violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of a putative class of purchasers of the Company's stock between April 20, 2010 and January 25, 2012, inclusive. The complaint alleges, among other things, that defendants made false and misleading statements and "failed to disclose that the Company was improperly recording income on loans covered under loss share agreements with the FDIC" and that, as a result, "the Company's financial statements were materially false and misleading at all relevant times." The action seeks unspecified damages and costs and expenses. The Company is unable to estimate a reasonably possible loss for the case because the proceeding is in an early stage and there are significant factual issues to be determined and resolved. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuit.

NOTE 7 - DERIVATIVE FINANCIAL INSTRUMENTS

The Company is a party to various derivative financial instruments that are used in the normal course of business to meet the needs of its clients and as part of its risk management activities. These instruments include interest rate swaps and option contracts and foreign exchange forward contracts. The Company does not enter into derivative financial instruments for trading or speculative purposes.

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Interest rate swap contracts involve the exchange of fixed and floating rate interest payment obligations without the exchange of the underlying principal amounts. The Company enters into interest rate swap contracts on behalf of its

clients and also utilizes such contracts to reduce or eliminate the exposure to changes in the cash flows or fair value of hedged assets or liabilities due to changes in interest rates. Interest rate option contracts consist of caps and provide for the transfer or reduction of interest rate risk in exchange for a fee. Foreign exchange forward contracts are agreements between two parties to exchange a specified amount of one currency for another currency at a specified foreign exchange rate on a future date. The Company enters into foreign exchange forward contracts with their clients and enters into an offsetting foreign exchange contract with established financial institution counterparties.

All derivative financial instruments, whether designated as hedges or not, are recorded on the consolidated balance sheet at fair value within Other assets or Other liabilities. The accounting for changes in the fair value of a derivative in the consolidated statement of operations depends on whether the contract has been designated as a hedge and qualifies for hedge accounting. At June 30, 2012, and December 31, 2011, the Company did not have any derivatives designated as cash flow or fair value hedges.

Using derivative instruments means assuming counterparty credit risk. Counterparty credit risk relates to the loss the Company could incur if a counterparty were to default on a derivative contract. Notional amounts of derivative financial instruments do not represent credit risk, and are not recorded in the consolidated balance sheet. They are used merely to express the volume of this activity. The overall credit risk and exposure to individual counterparties is monitored. The Company does not anticipate nonperformance by any counterparties. The amount of counterparty credit exposure is the unrealized gains, if any, on such derivative contracts along with the value of foreign exchange forward contracts. At June 30, 2012, the Company had $3.1 million of counterparty credit exposure on derivatives. At June 30, 2012, the Company had pledged cash of $3.5 million and at December 31, 2011, the Company had pledged cash of $2.7 million, as collateral in connection with our interest rate swap agreements.

Risk Management Instruments. The Company enters into certain derivative contracts to economically hedge state tax credits and certain loans.

• Economic hedge of state tax credits. In November 2008, the Company paid $2.1 million to enter into a series of interest rate caps in order to economically hedge changes in fair value of the State tax credits held for sale. In February 2010, the Company paid $751,000 for an additional series of interest rate caps. See Note 8—Fair Value Measurements for further discussion of the fair value of the state tax credits.

• Economic hedge of prime based loans. Previously, the Company had two outstanding interest rate swap agreements whereby the Company paid a variable rate of interest equivalent to the prime rate and received a fixed rate of interest. The swaps were designed to hedge the cash flows associated with a portion of prime based loans and had been designated as cash flow hedges. However, in December 2008, due to a variable rate differential, the Company concluded the cash flow hedges would not be prospectively effective and the hedges were dedesignated. The swaps were terminated in February 2009. The unrealized gain prior to dedesignation was included in Accumulated other comprehensive income and is being amortized over the expected life of the related loans. For the three months ended June 30, 2011, $44,000 was reclassified into Miscellaneous income. For the six months ended June 30, 2011, $88,000 was reclassified into Miscellaneous income. At December 31, 2011, there were no additional amounts remaining in Accumulated other comprehensive income to be reclassified into operations.

The table below summarizes the notional amounts and fair values of the derivative instruments used to manage risk.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate cap contracts	$	49,050	$	80,050	$	28	$	94	$	—	$	—

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The following table shows the location and amount of gains and losses related to derivatives used for risk management purposes that were recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate cap contracts	Gain on state tax credits, net	$	(39	)	$	(201	)	$	(65	)	$	(234	)
Interest rate swap contracts	Miscellaneous income	—			44			—			88

Client-Related Derivative Instruments. As an accommodation to certain customers, the Company enters into interest rate swaps to economically hedge changes in fair value of certain loans. During the second quarter of 2012, the Company entered into foreign exchange forward contracts with clients and entered into offsetting foreign exchange forward contracts with established financial institution counterparties. The table below summarizes the notional amounts and fair values of the client-related derivative instruments.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate swap contracts	$	132,320	$	65,077	$	1,953	$	1,095	$	2,431	$	1,796
Foreign exchange forward contracts	1,142		—		1,142		—		1,142		—

Changes in the fair value of client-related derivative instruments are recognized currently in operations. The following table shows the location and amount of gains and losses recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate swap contracts	Interest and fees on loans	$	(110	)	$	(141	)	$	(251	)	$	(291	)

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NOTE 8 - FAIR VALUE MEASUREMENTS

Below is a description of certain assets and liabilities measured at fair value.

The following table summarizes financial instruments measured at fair value on a recurring basis as of June 30, 2012, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value.

	June 30, 2012
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Securities available for sale
Obligations of U.S. Government sponsored enterprises	$	—	$	121,644	$	—	$	121,644
Obligations of states and political subdivisions	—		39,694		3,042		42,736
Residential mortgage-backed securities	—		435,356		—		435,356
Total securities available for sale	$	—	$	596,694	$	3,042	$	599,736
Portfolio loans	—		13,356		—		13,356
State tax credits held for sale	—		—		24,836		24,836
Derivative financial instruments	—		3,123		—		3,123
Total assets	$	—	$	613,173	$	27,878	$	641,051
Liabilities
Derivative financial instruments	$	—	$	3,573	$	—	$	3,573
Total liabilities	$	—	$	3,573	$	—	$	3,573

• Securities available for sale. Securities classified as available for sale are reported at fair value utilizing Level 2 and Level 3 inputs. The Company obtains fair value measurements from an independent pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond's terms and conditions. At June 30, 2012, Level 3 securities available for sale consist primarily of three Auction Rate Securities.

• Portfolio Loans. Certain fixed rate portfolio loans are accounted for as trading instruments and reported at fair value. Fair value on these loans is determined using a third party valuation model with observable Level 2 market data inputs.

• State tax credits held for sale. At June 30, 2012, of the $65.6 million of state tax credits held for sale on the condensed consolidated balance sheet, approximately $24.8 million were carried at fair value. The remaining $40.8 million of state tax credits were accounted for at cost.

The fair value of the state tax credits carried at fair value increased $465,000 for the quarter ended June 30, 2012 compared to $198,000 for the same period in 2011. These fair value changes are included in Gain on State tax credits, net in the condensed consolidated statements of operations.

The Company is not aware of an active market that exists for the 10-year streams of state tax credit financial instruments. However, the Company’s principal market for these tax credits consists of Missouri state residents who buy these credits and from local and regional accounting firms who broker them. As such, the Company employed a discounted cash flow analysis (income approach) to determine the fair value.

The fair value measurement is calculated using an internal valuation model with observable market data including discounted cash flows based upon the terms and conditions of the tax credits. Assuming that the

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underlying project remains in compliance with the various federal and state rules governing the tax credit program, each project will generate about 10 years of tax credits. The inputs to the fair value calculation include: the amount of tax credits generated each year, the anticipated sale price of the tax credit, the timing of the sale and a discount rate. The discount rate is defined as the LIBOR swap curve at a point equal to the remaining life in years of credits plus a 205 basis point spread. With the exception of the discount rate, the other inputs to the fair value calculation are observable and readily available. The discount rate is considered a Level 3 input because it is an “unobservable input” and is based on the Company’s assumptions. An increasein the discount rate utilized would generally result in a lower estimated fair value of the tax credits. Alternatively, a decrease in the discount rate utilized would generally result in a higher estimated fair value of the tax credits. Given the significance of this input to the fair value calculation, the state tax credit assets are reported as Level 3 assets.

• Derivatives. Derivatives are reported at fair value utilizing Level 2 inputs. The Company obtains counterparty quotations to value its interest rate swaps and caps. In addition, the Company validates the counterparty quotations with third party valuation sources. Derivatives with negative fair values are included in Other liabilities in the consolidated balance sheets. Derivatives with positive fair value are included in Other assets in the consolidated balance sheets.

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Level 3 financial instruments

The following table presents the changes in Level 3 financial instruments measured at fair value on a recurring basis as of June 30, 2012.

• Purchases, sales, issuances and settlements, net. There were no Level 3 purchases during the quarter ended June 30, 2012.

• Transfers in and/or out of Level 3. The transfer out of Level 3 is related to a newly issued mortgage-backed security purchased in the fourth quarter of 2011 which was originally priced using Level 3 assumptions. In the first quarter of 2012, a third party pricing service, utilizing Level 2 assumptions, became available as more data was available on the new security.

	Securities available for sale, at fair value
	Three months ended June 30,				Six months ended June 30,
(in thousands)	2012		2011		2012			2011
Beginning balance	$	3,024	$	2,972	$	6,763		$	7,520
Total gains (losses):
Included in other comprehensive income	18		22		15			29
Purchases, sales, issuances and settlements:
Purchases	—		—		—			—
Transfer in and/or out of Level 3	—		—		(3,736		)	(4,555		)
Ending balance	$	3,042	$	2,994	$	3,042		$	2,994
Change in unrealized gains relating to assets still held at the reporting date	$	18	$	22	$	15		$	29

	State tax credits held for sale
	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Beginning balance	$	24,653		$	30,494		$	26,350		$	31,576
Total gains:
Included in earnings	559			667			730			809
Purchases, sales, issuances and settlements:
Sales	(376		)	(1,914		)	(2,244		)	(3,138		)
Ending balance	$	24,836		$	29,247		$	24,836		$	29,247
Change in unrealized gains relating to assets still held at the reporting date	$	465		$	198		$	182		$	34

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From time to time, the Company measures certain assets at fair value on a nonrecurring basis. These include assets that are measured at the lower of cost or fair value that were recognized at fair value below cost at the end of the period. The following table presents financial instruments and non-financial assets measured at fair value on a non-recurring basis as of June 30, 2012.

	(1)		(1)		(1)		(1)
(in thousands)	Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total (losses) gains for the three months ended June 30, 2012			Total (losses) gains for the six months ended June 30, 2012
Impaired loans	$	14,278	$	—	$	—	$	14,278	$	(1,971	)	$	(4,705	)
Other real estate	14,291		—		—		14,291		(778		)	(1,814		)
Total	$	28,569	$	—	$	—	$	28,569	$	(2,749	)	$	(6,519	)

(1) The amounts represent only balances measured at fair value during the period and still held as of the reporting date.

Impaired loans are reported at the fair value of the underlying collateral. Fair values for impaired loans are obtained from current appraisals by qualified licensed appraisers or independent valuation specialists. Other real estate owned is adjusted to fair value upon foreclosure of the underlying loan. Subsequently, foreclosed assets are carried at the lower of carrying value or fair value less costs to sell. Fair value of other real estate is based upon the current appraised values of the properties as determined by qualified licensed appraisers and the Company’s judgment of other relevant market conditions. Certain state tax credits are reported at cost.

Following is a summary of the carrying amounts and fair values of the Company’s financial instruments on the consolidated balance sheets at June 30, 2012, and December 31, 2011.

	June 30, 2012				December 31, 2011
(in thousands)	Carrying Amount		Estimated fair value		Carrying Amount		Estimated fair value
Balance sheet assets
Cash and due from banks	$	29,832	$	29,832	$	20,791	$	20,791
Federal funds sold	58		58		143		143
Interest-bearing deposits	47,589		47,589		168,711		168,711
Securities available for sale	599,736		599,736		593,182		593,182
Other investments, at cost	14,501		14,501		14,527		14,527
Loans held for sale	4,928		4,928		6,494		6,494
Derivative financial instruments	3,123		3,123		1,189		1,189
Portfolio loans, net	2,153,289		2,162,792		2,158,060		2,163,723
State tax credits, held for sale	65,648		65,648		50,446		50,446
Accrued interest receivable	9,665		9,665		9,193		9,193
Balance sheet liabilities
Deposits	2,604,273		2,615,852		2,791,353		2,804,044
Subordinated debentures	85,081		42,110		85,081		42,252
Federal Home Loan Bank advances	90,500		88,955		102,000		110,575
Other borrowings	132,479		132,488		154,545		154,561
Derivative financial instruments	3,573		3,573		1,796		1,796
Accrued interest payable	1,459		1,459		1,762		1,762

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For information regarding the methods and assumptions used to estimate the fair value of each class of financial instruments for which it is practical to estimate such value, refer to Note 19–Fair Value Measurements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

The following table presents the level in the fair value hierarchy for the estimated fair values of only the Company’s financial instruments that are not already on the condensed consolidated balance sheets at fair value at June 30, 2012, and December 31, 2011.

	Estimated Fair Value Measurement at Reporting Date Using						Balance at June 30, 2012
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,162,792	$	2,162,792
Financial Liabilities:
Deposits	1,926,899		—		688,953		2,615,852
Subordinated debentures	—		—		42,110		42,110
Federal Home Loan Bank advances	—		—		88,955		88,955
Other borrowings	—		—		132,488		132,488
	Estimated Fair Value Measurement at Reporting Date Using						Balance at December 31, 2011
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,163,723	$	2,163,723
Financial Liabilities:
Deposits	1,974,432		—		829,612		2,804,044
Subordinated debentures	—		—		42,252		42,252
Federal Home Loan Bank advances	—		—		110,575		110,575
Other borrowings	—		—		154,561		154,561

NOTE 9 - SEGMENT REPORTING

The Company has two primary operating segments, Banking and Wealth Management, which are delineated by the products and services that each segment offers. The segments are evaluated separately on their individual performance, as well as their contribution to the Company as a whole.

The Banking operating segment consists of a full-service commercial bank, with locations in St. Louis, Kansas City, and Phoenix. The majority of the Company’s assets and income result from the Banking segment. All banking locations have the same product and service offerings, have similar types and classes of customers and utilize similar service delivery methods. Pricing guidelines and operating policies for products and services are the same across all regions.

The Banking operating segment also includes activities surrounding the assets acquired under FDIC loss share agreements. 

The Wealth Management segment includes the Trust division of the Bank and the state tax credit brokerage activities. The Trust division provides estate planning, investment management, and retirement planning as well as consulting on management compensation, strategic planning and management succession issues. State tax credits are part of a fee initiative designed to augment the Company’s wealth management segment and banking lines of business.

The Corporate segment’s principal activities include the direct ownership of the Company’s banking subsidiary and the issuance of debt and equity. Its principal source of liquidity is dividends from its subsidiaries and stock option exercises.

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The financial information for each business segment reflects that information which is specifically identifiable or which is allocated based on an internal allocation method. There were no material intersegment revenues among the three segments. Management periodically makes changes to methods of assigning costs and income to its business segments to better reflect operating results. When appropriate, these changes are reflected in prior year information presented below.

Following are the financial results for the Company’s operating segments.

(in thousands)	Banking			Wealth Management			Corporate and Intercompany			Total
Balance Sheet Information	June 30, 2012
Portfolio loans	$	2,191,482		$	—		$	—		$	2,191,482
Goodwill	30,334			—			—			30,334
Intangibles, net	8,310			—			—			8,310
Deposits	2,588,377			32,897			(17,001		)	2,604,273
Borrowings	164,895			60,584			82,581			308,060
Total assets	3,063,807			98,668			20,659			3,183,134
	December 31, 2011
Portfolio loans	$	2,197,684		$	—		$	—		$	2,197,684
Goodwill	30,334			—			—			30,334
Intangibles, net	9,285			—			—			9,285
Deposits	2,773,482			39,440			(21,569		)	2,791,353
Borrowings	213,480			45,565			82,581			341,626
Total assets	3,278,328			90,068			9,383			3,377,779
Income Statement Information	Three months ended June 30, 2012
Net interest income (expense)	$	35,208		$	(186	)	$	(889	)	$	34,133
Provision for loan losses	281			—			—			281
Noninterest income	(1,738		)	2,577			6			845
Noninterest expense	18,304			1,919			1,191			21,414
Income (loss) before income tax expense (benefit)	14,885			472			(2,074		)	13,283
	Three months ended June 30, 2011
Net interest income (expense)	$	32,351		$	(316	)	$	(1,031	)	$	31,004
Provision for loan losses	4,575			—			—			4,575
Noninterest income	1,539			2,644			35			4,218
Noninterest expense	15,285			1,972			767			18,024
Income (loss) before income tax expense (benefit)	14,030			356			(1,763		)	12,623
Income Statement Information	Six months ended June 30, 2012
Net interest income (expense)	$	67,018		$	(314	)	$	(1,942	)	$	64,762
Provision for loan losses	4,284			—			—			4,284
Noninterest income	153			4,630			45			4,828
Noninterest expense	36,362			3,792			2,624			42,778
Income (loss) before income tax expense (benefit)	26,525			524			(4,521		)	22,528
	Six months ended June 30, 2011
Net interest income (expense)	$	56,407		$	(638	)	$	(2,057	)	$	53,712
Provision for loan losses	8,175			—			—			8,175
Noninterest income	4,616			4,482			83			9,181
Noninterest expense	30,265			3,818			1,906			35,989
Income (loss) before income tax expense (benefit)	22,583			26			(3,880		)	18,729

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ITEM 2: MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND

RESULTS OF OPERATIONS

Some of the information in this report contains “forward-looking statements” within the meaning of and are intended to be covered by the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements typically are identified with use of terms such as “may,” “might,” “will, ”should,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “predict,” “potential,” “could,” “continue” and the negative of these terms and similar words, although some forward-looking statements are expressed differently. Our ability to predict results or the actual effect of future plans or strategies is inherently uncertain. You should be aware that our actual results could differ materially from those contained in the forward-looking statements due to a number of factors, including, but not limited to: credit risk; changes in the appraised valuation of real estate securing impaired loans; outcomes of litigation and other contingencies; exposure to general and local economic conditions; risks associated with rapid increases or decreases in prevailing interest rates; consolidation within the banking industry; competition from banks and other financial institutions; our ability to attract and retain relationship officers and other key personnel; burdens imposed by federal and state regulation; changes in accounting regulation or standards applicable to banks; and other

risks discussed under the caption “Risk Factors” of our most recently filed Form 10-K and in Part II, 1A of this Form 10-Q, all of which could cause the Company’s actual results to differ from those set forth in the forward-looking statements.

Readers are cautioned not to place undue reliance on our forward-looking statements, which reflect management’s analysis and expectations only as of the date of such statements. Forward-looking statements speak only as of the date they are made, and the Company does not intend, and undertakes no obligation, to publicly revise or update forward-looking statements after the date of this report, whether as a result of new information, future events or otherwise, except as required by federal securities law. You should understand that it is not possible to predict or identify all risk factors. Readers should carefully review all disclosures we file from time to time with the Securities and Exchange Commission which are available on our website at www.enterprisebank.com.

Introduction

The following discussion describes the significant changes to the financial condition of the Company that have occurred during the first six months of 2012 compared to the financial condition as of December 31, 2011. In addition, this discussion summarizes the significant factors affecting the results of operations, liquidity and cash flows of the Company for the three and six months ended June 30, 2012, compared to the same periods in 2011. This discussion should be read in conjunction with the accompanying consolidated financial statements included in this report and our Annual Report on Form 10-K for the year ended December 31, 2011.

Executive Summary

The Company reported net income of $8.8 million for the three months ended June 30, 2012, compared to net income of $8.3 million for the same period in 2011. After deducting dividends on preferred stock, the Company reported net income per fully diluted share of $0.44, compared to net income of $0.43 per fully diluted share for the prior year period.

Net income for the six months ended June 30, 2012 was $15.0 million compared to net income of $12.4 million for the same period in 2011. After deducting dividends on preferred stock, the Company reported net income per fully diluted share of $0.75, compared to net income of $0.70 per fully diluted share for the prior year period.

Below are highlights of our Banking and Wealth Management segments. For more information on our segments, see Note 9 –Segment Reporting.

Banking Segment

• Loans - Portfolio loans totaled $2.2 billion at June 30, 2012, including $242.5 million of loans covered under FDIC shared loss agreements ("Covered loans"). Portfolio loans excluding covered loans ("Noncovered loans")

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increased $31.4 million, or 2%, in the second quarter of 2012. Commercial & Industrial loans increased $49.3 million, or 6%, Consumer loans increased $1.4 million or 12%, Construction and Residential Real Estate decreased $14.3 million or 5% , and Commercial Real Estate decreased $5.0 million or 1%. Noncovered loans increased $122.8 million or 7% from June 30, 2011. Commercial and Industrial loans increased $153.0 million or 22% while Residential and Construction Real Estate declined $43.0 million or 13%. Noncovered loans increased $51.9 million or 3% from December 31, 2011.

Covered loans decreased $26.8 million, or 10%, in the second quarter of 2012, due to loans that paid off and principal paydowns.

For fiscal year 2012, the Company expects 6-8% growth in portfolio loans not covered by FDIC shared loss agreements, similar to 2011 results.

See Note 4 – Portfolio Loans not covered by loss share and Note 5 – Portfolio Loans covered by loss share for more information.

• Deposits – Total deposits at June 30, 2012 were $2.6 billion, a decrease of $187.1 million, or 7%, from December 31, 2011 and $99.9 million or 4% from March 31, 2012 as the Company is forcing decline in certificates of deposit through lower cost pricing. Total deposits increased $193.0 million or 8% from June 30, 2011.

Core deposits, which exclude brokered certificates of deposit and include reciprocal CDARS deposits, decreased $99.9 million, or 4%, in the second quarter of 2012 compared to the first quarter of 2012. Interest bearing transaction accounts decreased $89.4 million or 6%, non CDARS certificates of deposit decreased $42.5 million or 7% while noninterest bearing demand deposit accounts increased $31.8 million or 5%. Core deposits decreased $162.0 million or 6% from December 31, 2011 but increased $238.1 million or 11% from June 30, 2011. Core deposits represented 96% of total deposits at June 30, 2012, compared to 95% at December 31, 2011 and 94% at June 30, 2011.

Reciprocal CDARS certificates were $7.9 million at June 30, 2012 compared to $14.5 million at December 31, 2011and $35.3 million at June 30, 2011. Brokered certificates of deposit were $101.6 million at June 30, 2012 compared to $126.6 million at December 31, 2011 and $146.6 million at June 30, 2011.

• Asset quality – Nonperforming loans, including troubled debt restructurings were $40.6 million at June 30, 2012, compared to $41.6 million at December 31, 2011 and $43.1 million at June 30, 2011. The non performing loan additions of $1.3 million in the second quarter of 2012 represent the lowest level of non performing loan additions in over three years. Nonperforming loans represented 2.08% of total loans excluding Covered loans at June 30, 2012 versus 2.19% at December 31, 2011 and 2.36% at June 30, 2011. Excluding non-accrual loans and Covered loans, portfolio loans that were 30-89 days delinquent at June 30, 2012 remained at very low levels, representing 0.13% of the portfolio compared to 0.36% at December 31, 2011 and 0.23% at June 30, 2011.

Provision for loan losses not covered under FDIC loss share was $75,000 in the second quarter of 2012, compared to $4.3 million in the second quarter of 2011. The decrease in the provision for loan losses in the second quarter of 2012 was due to lower levels of loan risk rating downgrades, more favorable loss migration statistics from a year ago, and payoff of a commercial loan which carried a $1.3 million reserve. See Note 4 – Portfolio Loans not covered by loss share and Provision and Allowance for Loan Losses and Nonperforming Assets in this section for more information.

• Interest rate margin – The net interest rate margin was 4.81% for the second quarter of 2012, compared to 4.33% for the first quarter of 2012 and 4.75% in the second quarter of 2011. For the six month period ended June 30, 2012, the net interest rate margin was 4.57% compared to 4.17% for the same period in 2011. See Net Interest Income in this section for more information.

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• Covered loans and other assets covered under FDIC shared loss agreements - The following table illustrates the net revenue contribution of covered assets for the most recent five quarters.

	For the Quarter ended
(in thousands)	June 30, 2012			March 31, 2012			December 31, 2011			September 30, 2011			June 30, 2011
Accretion income	$	7,155		$	7,081		$	6,841		$	4,942		$	3,903
Accelerated cash flows	5,315			2,691			4,733			1,620			6,892
Other	106			130			29			4			88
Total interest income	12,576			9,902			11,603			6,566			10,883
Provision for loan losses	(206		)	(2,285		)	144			(2,672		)	(275		)
Gain on sale of other real estate	769			1,173			144			588			94
Change in FDIC loss share receivable	(5,694		)	(2,956		)	(4,642		)	1,513			(1,081		)
Pre-tax net revenue	$	7,445		$	5,834		$	7,249		$	5,995		$	9,621

Wealth Management Segment

Fee income from the Wealth Management segment includes Wealth Management revenue and income from state tax credit brokerage activities. Wealth Management revenue was $2.0 million in the second quarter of 2012, an increase of $282,000, or 17%, over the linked first quarter and an increase of $333,000, or 20%, compared to June 30, 2011. See Noninterest Income in this section for more information.

Net Interest Income

Three months ended June 30, 2012 and 2011

Net interest income (on a tax equivalent basis) was $34.5 million for the three months ended June 30, 2012 compared to $31.3 million for the same period of 2011, an increase of $3.2 million, or 10%. Total interest income increased $1.5 million and total interest expense decreased $1.7 million.

Average interest-earning assets increased $237.5 million, or 9%, to $2.9 billion for the quarter ended June 30, 2012 from $2.6 billion for the quarter ended June 30, 2011. Average loans increased $226.7 million, or 12%, to $2.2 billion for the quarter ended June 30, 2012 from $2.0 billion for the quarter ended June 30, 2011. Approximately $78.6 million of the increase is related to the increase in the Covered loans from the acquisition of The First National Bank of Olathe ("FNB") in August, 2011. Average securities and short-term investments increased $10.8 million, or 2%, to $693.5 million from the second quarter of 2011. Interest income on earning assets increased $6.6 million due to higher volume and decreased $5.1 million due to higher rates, for an increase of $1.5 million versus the second quarter of 2011.

For the quarter ended June 30, 2012, average interest-bearing liabilities increased $107.7 million, or 5%, to $2.3 billion compared to $2.2 billion for the quarter ended June 30, 2011. The increase in average interest-bearing liabilities resulted from a $99.9 million increase in average interest-bearing deposits, due to a $120.6 million increase in average money market accounts and savings accounts, and an increase of $73.2 million in interest-bearing transaction accounts, offset by a decrease of $93.9 million in certificates of deposit. For the second quarter of 2012, interest expense on interest-bearing liabilities decreased $1.6 million due to declining rates and $64,000 due to the impact of lower volumes, for a net decrease of $1.7 million versus the second quarter of 2011.

The tax-equivalent net interest rate margin was 4.81% for the second quarter of 2012, compared to 4.33% for the first quarter of 2012 and 4.75% in the second quarter of 2011. In the second quarter of 2012, the Covered loans yielded 20.15% primarily due to cash flows on paid off loans that exceeded expectations. Absent the Covered loans, and the

31

related nonearning assets, the net interest rate margin was 3.46% for the second quarter of 2012 compared to 3.45% for the first quarter of 2012. The increase in the net interest rate margin, excluding the effects of related nonearning assets under FDIC loss share loans, and the related funding costs, was primarily due to lower funding costs.

We expect the net interest margin to continue at 4% or more for 2012 based on a better earning asset mix, the full year impact of the FNB acquisition and continued discipline on funding costs. We expect continued volatility in the yield on Covered loans due primarily to prepayments, and possibly the quarterly remeasurement of cash flows.

Six months ended June 30, 2012 and 2011

Net interest income (on a tax equivalent basis) was $65.4 million for the six months ended June 30, 2012 compared to $54.3 million for the same period of 2011, an increase of $11.1 million, or 20%. Total interest income increased $8.2 million and total interest expense decreased $2.9 million.

Average interest-earning assets increased $252.2 million, or 10%, to $2.9 billion for the six months ended June 30, 2012 from $2.6 billion for the six months ended June 30, 2011. Average loans increased $224.1 million, or 11%, to $2.2 billion for the six months ended June 30, 2012 from $2.0 billion for the six months ended June 30, 2011. Approximately $87.2 million of the increase is related to an increase in the Covered loans from the acquisition of FNB. Average securities and short-term investments increased $28.1 million, or 4%, to $696.7 million from the second quarter of 2011 as increased core deposits exceeded loan demand. Interest income on earning assets increased $12.4 million due to higher volume and decreased $4.2 million due to higher rates, for an increase of $8.2 million versus the second quarter of 2011.

For the six months ended June 30, 2012, average interest-bearing liabilities increased $134.2 million, or 6%, to $2.4 billion compared to $2.3 billion for the six months ended June 30, 2011. The increase in average interest-bearing liabilities resulted from a $128.7 million increase in average interest-bearing deposits, due to a $171.1 million increase in average money market accounts and savings accounts, an increase of $61.4 million in interest-bearing transaction accounts, offset by a decrease of $103.8 million in certificates of deposit. For the six months ended June 30, 2012, interest expense on interest-bearing liabilities decreased $2.9 million due to declining rates partially offset by an increase of $8,000 due to the impact of higher volumes, for a net decrease of $2.9 million versus the same period in 2011.

The tax-equivalent net interest rate margin was 4.57% for the six months ended June 30, 2012, compared to 4.17% in the same period of 2011. The increase in the margin was primarily due to better earning asset mix and lower funding costs.

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Average Balance Sheet

The following table presents, for the periods indicated, certain information related to our average interest-earning assets and interest-bearing liabilities, as well as, the corresponding interest rates earned and paid, all on a tax equivalent basis.

	Three months ended June 30,
	2012							2011
(in thousands)	Average Balance			Interest Income/Expense		Average Yield/ Rate		Average Balance			Interest Income/Expense		Average Yield/ Rate
Assets
Interest-earning assets:
Taxable loans (1)	$	1,906,637		$	24,328	5.13	%	$	1,757,565		$	23,671	5.40	%
Tax-exempt loans (2)	30,813			575		7.51		31,796			619		7.81
Covered loans (3)	250,965			12,576		20.15		172,324			10,883		25.33
Total loans	2,188,415			37,479		6.89		1,961,685			35,173		7.19
Taxable investments in debt and equity securities	547,059			2,456		1.81		483,838			3,341		2.77
Non-taxable investments in debt and equity securities (2)	31,655			368		4.68		19,965			242		4.86
Short-term investments	114,786			65		0.23		178,893			113		0.25
Total securities and short-term investments	693,500			2,889		1.68		682,696			3,696		2.17
Total interest-earning assets	2,881,915			40,368		5.63		2,644,381			38,869		5.90
Noninterest-earning assets:
Cash and due from banks	15,370							12,475
Other assets	356,794							297,916
Allowance for loan losses	(40,066		)					(42,441		)
Total assets	$	3,214,013						$	2,912,331
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing transaction accounts	$	266,132		$	193	0.29	%	$	192,916		$	206	0.43	%
Money market accounts	1,018,418			1,240		0.49		955,137			2,124		0.89
Savings	67,998			72		0.43		10,674			9		0.34
Certificates of deposit	698,284			2,536		1.46		792,191			3,105		1.57
Total interest-bearing deposits	2,050,832			4,041		0.79		1,950,918			5,444		1.12
Subordinated debentures	85,081			980		4.63		85,081			1,126		5.31
Borrowed funds	206,442			875		1.70		198,629			985		1.99
Total interest-bearing liabilities	2,342,355			5,896		1.01		2,234,628			7,555		1.36
Noninterest bearing liabilities:
Demand deposits	617,596							465,494
Other liabilities	2,571							9,719
Total liabilities	2,962,522							2,709,841
Shareholders' equity	251,491							202,490
Total liabilities & shareholders' equity	$	3,214,013						$	2,912,331
Net interest income				$	34,472						$	31,314
Net interest spread						4.62	%						4.54	%
Net interest rate margin (4)						4.81							4.75

(1) Average balances include non-accrual loans. The income on such loans is included in interest but is recognized only upon receipt. Loan fees, net of amortization of deferred loan origination fees and costs, included in interest income are approximately $382,000 and $284,000 for the three months ended June 30, 2012 and 2011, respectively.

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(2) Non-taxable income is presented on a fully tax-equivalent basis using a 36% tax rate. The tax-equivalent adjustments were $339,000 and $310,000 for the three months ended June 30, 2012 and 2011, respectively.

(3) Covered loans are loans covered under FDIC shared-loss agreements.

(4) Net interest income divided by average total interest-earning assets.

	Six months ended June 30,
	2012							2011
(in thousands)	Average Balance			Interest Income/Expense		Average Yield/ Rate		Average Balance			Interest Income/Expense		Average Yield/ Rate
Assets
Interest-earning assets:
Taxable loans (1)	$	1,886,898		$	48,412	5.16	%	$	1,747,144		$	46,993	5.42	%
Tax-exempt loans (2)	30,693			1,161		7.61		33,465			1,300		7.83
Covered loans (3)	265,332			22,478		17.04		178,178			14,757		16.70
Total loans	2,182,923			72,051		6.64		1,958,787			63,050		6.49
Taxable investments in debt and equity securities	544,752			4,999		1.85		446,100			5,983		2.70
Non-taxable investments in debt and equity securities (2)	31,399			733		4.69		17,583			415		4.76
Short-term investments	120,508			142		0.24		204,906			262		0.26
Total securities and short-term investments	696,659			5,874		1.70		668,589			6,660		2.01
Total interest-earning assets	2,879,582			77,925		5.44		2,627,376			69,710		5.35
Noninterest-earning assets:
Cash and due from banks	15,331							11,851
Other assets	383,776							304,714
Allowance for loan losses	(38,255		)					(42,997		)
Total assets	$	3,240,434						$	2,900,944
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Interest-bearing transaction accounts	$	254,996		$	384	0.30	%	$	193,624		$	395	0.41	%
Money market accounts	1,045,583			2,670		0.51		925,824			4,206		0.92
Savings	62,051			141		0.46		10,712			18		0.34
Certificates of deposit	732,551			5,315		1.46		836,334			6,515		1.57
Total interest-bearing deposits	2,095,181			8,510		0.82		1,966,494			11,134		1.14
Subordinated debentures	85,081			2,129		5.03		85,081			2,247		5.33
Borrowed funds	213,736			1,843		1.73		208,190			1,999		1.94
Total interest-bearing liabilities	2,393,998			12,482		1.05		2,259,765			15,380		1.37
Noninterest bearing liabilities:
Demand deposits	592,553							437,287
Other liabilities	5,665							10,972
Total liabilities	2,992,216							2,708,024
Shareholders' equity	248,218							192,920
Total liabilities & shareholders' equity	$	3,240,434						$	2,900,944
Net interest income				$	65,443						$	54,330
Net interest spread						4.39	%						3.98	%
Net interest rate margin (4)						4.57							4.17

(1) Average balances include non-accrual loans. The income on such loans is included in interest but is recognized only upon receipt. Loan fees, net of amortization of deferred loan origination fees and costs, included in interest income are approximately $700,000 and $430,000 for the six months ended June 30, 2012 and 2011, respectively.

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(2) Non-taxable income is presented on a fully tax-equivalent basis using a 36% tax rate. The tax-equivalent adjustments were $681,000 and $618,000 for the six months ended June 30, 2012 and 2011, respectively.

(3) Covered loans are loans covered under FDIC shared-loss agreements.

(4) Net interest income divided by average total interest-earning assets.

Rate/Volume

The following table sets forth, on a tax-equivalent basis for the periods indicated, a summary of the changes in interest income and interest expense resulting from changes in yield/rates and volume.

	2012 compared to 2011
	Three months ended June 30,									Six months ended June 30,
	Increase (decrease) due to									Increase (decrease) due to
(in thousands)	Volume(1)			Rate(2)			Net			Volume(1)			Rate(2)			Net
Interest earned on:
Taxable loans	$	1,898		$	(1,241	)	$	657		$	3,736		$	(2,317	)	$	1,419
Tax-exempt loans (3)	(19		)	(25		)	(44		)	(103		)	(36		)	(139		)
Covered loans	4,233			(2,540		)	1,693			7,417			304			7,721
Taxable investments in debt and equity securities	391			(1,276		)	(885		)	1,161			(2,145		)	(984		)
Non-taxable investments in debt and equity securities (3)	135			(9		)	126			324			(6		)	318
Short-term investments	(38		)	(10		)	(48		)	(100		)	(20		)	(120		)
Total interest-earning assets	$	6,600		$	(5,101	)	$	1,499		$	12,435		$	(4,220	)	$	8,215
Interest paid on:
Interest-bearing transaction accounts	$	64		$	(77	)	$	(13	)	$	109		$	(120	)	$	(11	)
Money market accounts	131			(1,015		)	(884		)	494			(2,030		)	(1,536		)
Savings	60			3			63			115			8			123
Certificates of deposit	(356		)	(213		)	(569		)	(763		)	(437		)	(1,200		)
Subordinated debentures	—			(146		)	(146		)	—			(118		)	(118		)
Borrowed funds	37			(147		)	(110		)	53			(209		)	(156		)
Total interest-bearing liabilities	(64		)	(1,595		)	(1,659		)	8			(2,906		)	(2,898		)
Net interest income	$	6,664		$	(3,506	)	$	3,158		$	12,427		$	(1,314	)	$	11,113

(1) Change in volume multiplied by yield/rate of prior period.

(2) Change in yield/rate multiplied by volume of prior period.

(3) Nontaxable income is presented on a fully-tax equivalent basis using a 36% tax rate.

NOTE: The change in interest due to both rate and volume has been allocated to rate and volume changes in proportion to the relationship of the absolute dollar amounts of the change in each.

Provision and Allowance for Loan Losses

The provision for loan losses not covered under FDIC loss share for the three and six months ended June 30, 2012 was $75,000 and $1.8 million compared to $4.3 million and $7.9 million for the comparable 2011 periods. The lower loan loss provision for 2012 compared to 2011 was due to lower levels of loan risk rating downgrades, more favorable loss migration statistics from a year ago, and payoff of one specific loan which carried a $1.3 million reserve. For the full year 2012, we expect the provision for loan losses not covered under FDIC loss share to be approximately $8.0 to $10.0 million.

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For Covered loans, the Company remeasures contractual and expected cash flows on a quarterly basis. When the remeasurement process results in a decrease in expected cash flows, typically due to an increase in expected credit losses, impairment is recorded through provision for loan losses. The provision for loan losses on Covered loans was $206,000 in the second quarter of 2012 compared to $275,000 in the second quarter of 2011.

Excluding the Covered loans, the allowance for loan losses was 1.86% of total loans at June 30, 2012, representing 90% of nonperforming loans. The loan loss allowance was 1.96% at March 31, 2012 representing 80% of nonperforming loans and 2.31% at June 30, 2011 representing 98% of nonperforming loans. Management believes that the allowance for loan losses is adequate to absorb inherent losses in the loan portfolio.

Excluding the Covered loans, net charge-offs in the second quarter of 2012 were $1.4 million, representing an annualized rate of 0.28% of average loans, compared to net charge-offs of $2.1 million, an annualized rate of 0.45% of average loans, in the first quarter of 2012 and $5.0 million, an annualized rate of 1.11% of average loans, in the second quarter of 2011. Approximately 30% of the net charge-offs in the second quarter of 2012 were related to Construction and Land Development loans, 15% were related to Commercial & Industrial, 60% were related to Commercial Real Estate loans and there were 5% net recoveries in Residential Real Estate loans.

For the six months ended June 30, 2012, excluding the Covered loans, net charge-offs were $3.5 million, compared to net charge-offs of $8.5 million for the same period in 2011. Approximately 32% of the net charge-offs for the six months ended June 30, 2012 were related to Construction and Land Development loans, 20% were related to Commercial & Industrial, 50% were related to Commercial Real Estate loans and there were 2% net recoveries in Residential Real Estate loans.

Given the recent improvement in real estate markets, particularly in Kansas City and Phoenix, the Company has adopted a more aggressive problem asset resolution strategy designed to reduce the level of problem assets on an accelerated basis. If successful, this strategy should result in substantially lower levels of non performing assets by year end with net charge offs (excluding covered loans) for the year estimated to be approximately $10 to $15 million.

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The following table summarizes changes in the allowance for loan losses arising from loans charged off and recoveries on loans previously charged off, by loan category, and additions to the allowance charged to expense.

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Allowance at beginning of period, for loans not covered under FDIC loss share	$	37,596		$	42,822		$	37,989		$	42,759
Loans charged off:
Commercial and industrial	(406		)	(504		)	(991		)	(904		)
Real estate:
Commercial	(847		)	(556		)	(1,778		)	(1,294		)
Construction and Land Development	(502		)	(4,120		)	(1,358		)	(6,836		)
Residential	(216		)	(495		)	(578		)	(606		)
Consumer and other	—			(5		)	—			(5		)
Total loans charged off	(1,971		)	(5,680		)	(4,705		)	(9,645		)
Recoveries of loans previously charged off:
Commercial and industrial	203			16			299			141
Real estate:
Commercial	20			537			37			552
Construction and Land Development	97			93			249			271
Residential	284			56			640			145
Consumer and other	—			13			2			34
Total recoveries of loans	604			715			1,227			1,143
Net loan chargeoffs	(1,367		)	(4,965		)	(3,478		)	(8,502		)
Provision for loan losses	75			4,300			1,793			7,900
Allowance at end of period, for loans not covered under FDIC loss share	$	36,304		$	42,157		$	36,304		$	42,157
Allowance at beginning of period, for loans covered under FDIC loss share	$	3,010		$	—		$	1,635		$	—
Loans charged off	(1,152		)	(275		)	(2,062		)	(275		)
Recoveries of loans	6			—			6			—
Other	(181		)	—			(181		)	—
Net loan chargeoffs	(1,146		)	(275		)	(2,056		)	(275		)
Provision for loan losses	206			275			2,491			275
Allowance at end of period, for loans covered under FDIC loss share	$	1,889		$	—		$	1,889		$	—
Total Allowance at end of period	$	38,193		$	42,157		$	38,193		$	42,157
Excludes loans covered under FDIC loss share
Average loans	$	1,937,450		$	1,789,361		$	1,917,591		$	1,780,609
Total portfolio loans	1,948,994			1,826,228			1,948,994			1,826,228
Net chargeoffs to average loans	0.28		%	1.11		%	0.36		%	0.96		%
Allowance for loan losses to loans	1.86			2.31			1.86			2.31

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Nonperforming assets

The following table presents the categories of nonperforming assets and other ratios as of the dates indicated.

	June 30,			June 30,
(in thousands)	2012			2011
Non-accrual loans	$	30,143		$	31,004
Loans past due 90 days or more and still accruing interest	—			749
Restructured loans	10,412			11,365
Total nonperforming loans	40,555			43,118
Foreclosed property (1)	17,443			20,978
Other bank owned assets	—			—
Total nonperforming assets (1)	$	57,998		$	64,096
Excludes assets covered under FDIC loss share
Total assets	$	3,183,134		$	2,923,383
Total portfolio loans	1,948,994			1,826,228
Total loans plus foreclosed property	1,966,437			1,847,206
Nonperforming loans to total loans	2.08		%	2.36		%
Nonperforming assets to total loans plus foreclosed property	2.95			3.47
Nonperforming assets to total assets (1)	1.82			2.19
Allowance for loan losses to nonperforming loans	90.00		%	98.00		%

(1) Excludes assets covered under FDIC shared-loss agreements, except for their inclusion in total assets.

Based on current trends and management strategies, we would expect the level of nonperforming assets (excluding Covered loans) to be lower by year end.

Nonperforming loans

Nonperforming loans exclude Covered loans that are accounted for on a pool basis, as the pools are considered to be performing. See Note 5 – Portfolio Loans covered under loss share for more information on these loans.

Nonperforming loans, including troubled debt restructurings of $10.4 million, were $40.6 million at June 30, 2012, a decrease from $47.2 million at March 31, 2012 and $43.1 million at June 30, 2011. The nonperforming loans are comprised of approximately 41 relationships with the largest being a $4.8 million commercial real estate loan. Five relationships comprise 49% of the nonperforming loans. Approximately 54% were located in the St. Louis market, 45% of the nonperforming loans were located in the Kansas City market, and 1% were located in the Arizona market. At June 30, 2012, there were no performing restructured loans that have been excluded from the nonperforming loan amounts.

Nonperforming loans represented 2.08% of Non-covered loans at June 30, 2012, versus 2.46% at March 31, 2012 and 2.36% at June 30, 2011.

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Nonperforming loans based on Call Report codes were as follows:

(in thousands)	June 30, 2012		December 31, 2011		June 30, 2011
Construction and Land Development	$	11,278	$	14,767	$	17,845
Commercial Real Estate	20,067		15,699		10,915
Residential Real Estate	4,543		5,522		9,276
Commercial & Industrial	4,667		5,634		5,082
Consumer & Other	—		—		—
Total	$	40,555	$	41,622	$	43,118

The following table summarizes the changes in nonperforming loans by quarter.

	2012
(in thousands)	2st Qtr			1st Qtr			Year to date
Nonperforming loans beginning of period	$	47,184		$	41,622		$	41,622
Additions to nonaccrual loans	1,073			12,110			13,183
Additions to restructured loans	243			4,365			4,608
Chargeoffs	(1,971		)	(2,734		)	(4,705		)
Other principal reductions	(4,612		)	(3,608		)	(8,220		)
Moved to Other real estate	(1,059		)	(3,816		)	(4,875		)
Moved to performing	(303		)	—			(303		)
Loans past due 90 days or more and still accruing interest	—			(755		)	(755		)
Nonperforming loans end of period	$	40,555		$	47,184		$	40,555

In 2012, the Company expects lower levels of new nonperforming loans compared to 2011.

Other real estate

Other real estate at June 30, 2012, was $37.3 million, compared to $45.4 million at March 31, 2012, and $42.8 million at June 30, 2011. Approximately 53% of total Other real estate, or $19.8 million, is covered by FDIC shared-loss agreements.

The following table summarizes the changes in Other real estate.

	2012
(in thousands)	2nd Qtr			1st Qtr			Year to date
Other real estate beginning of period	$	45,380		$	53,688		$	53,688
Additions and expenses capitalized to prepare property for sale	2,109			3,816			5,925
Additions from FDIC assisted transactions	4,234			3,322			7,556
Writedowns in value	(1,012		)	(2,052		)	(3,064		)
Sales	(13,436		)	(13,394		)	(26,830		)
Other real estate end of period	$	37,275		$	45,380		$	37,275

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At June 30, 2012, Other real estate was comprised of 15% residential lots, 8% completed homes, and 77% commercial real estate. Of the total Other real estate, 35%, or 30 properties, are located in the Kansas City region, 37%, or 20

properties, are located in the St. Louis region and 28%, or 22 properties, are located in the Arizona region. All Arizona Other real estate properties and 19 properties, or $9.3 million, of the Kansas City Other real estate are covered under FDIC loss share.

The writedowns in fair value were recorded in Loan legal and other real estate expense based on current market activity shown in the appraisals. In addition, for the six months ended June 30, 2012, the Company realized a net gain of $2.4 million on the sale of other real estate and recorded these gains as part of Noninterest income.

Noninterest Income

Noninterest income decreased $3.4 million, or 80%, in the second quarter of 2012 compared to the second quarter of 2011. The decrease is primarily due to decreases in income related to changes in the FDIC Receivable partially offset by increased gains on the sale of other real estate.

For the six months ended June 30, 2012, Noninterest income decreased $4.4 million, or 47%, from the same period in 2011. The decrease is primarily due to decreases in income related to changes in the FDIC Receivable partially offset by increases in gains on the sale of other real estate and investment securities and fee income from service charges.

• Wealth Management revenue– For the quarter ended June 30, 2012, Wealth Management revenue from the Trust division increased $333,000, or 20%, compared to the same period in 2011. Year-to-date, Trust revenues increased $359,000, or 11%, over the same period in 2011. Assets under administration were $1.6 billion at June 30, 2012, a 1% increase from June 30, 2011 due to market value increases and additional accounts from new clients including acquired Legacy and FNB Trust assets.

• Service charges and other fee income–For the three and six months ended June 30, 2012, service charges and other fee income increased $466,000 and $943,000 compared to the same period in 2011 due to an increase in service charges on business accounts, debit card and credit card income, and overdraft fees, primarily due to the acquisition of FNB.

• Sale of Other real estate – For the quarter ended June 30, 2012, we sold $13.4 million of Other real estate for a gain of $1.3 million which included a gain of $487,000 from Other real estate not covered by loss share agreements and a gain of $769,000 from Other real estate covered by loss share agreements. Year-to-date through June 30, 2012, we have sold $26.8 million of Other real estate for a net gain of $2.4 million which included a gain of $472,000 from Other real estate not covered by loss share agreements and a gain of $1.9 million from other real estate covered by loss share agreements. For the year-to-date period in 2011, we sold $13.1 million of Other real estate for a net gain of $522,000.

• State tax credit brokerage activities– For the quarter ended June 30, 2012, the Company recorded a gain of $587,000 compared to a gain of $987,000 in the second quarter of 2011. The decrease is due to the timing of client purchases of the state tax credits in the second quarter of 2012 compared to the second quarter of 2011. See Note 7 – Derivatives Instruments and Hedging Activities above for more information on the interest rate caps. For more information on the fair value treatment of the state tax credits, see Note 8 – Fair Value Measurements.

• Sale of investment securities – During the first six months of 2012, the Company realized approximately $110.9 million of proceeds on the sale of investment securities, generating a net gain of $1.2 million.

• Change in FDIC loss share receivable – Income related to changes in the FDIC loss share receivable decreased $4.6 million during the second quarter of 2012 compared to the same period in 2011. The decrease in income related to the FDIC loss share receivable was primarily due to loan pay offs in which the losses on the loans were less than expected along with lower loss expectations on certain loan pools. To correlate with the new lower projected loss amounts, the FDIC loss share receivable must be reduced. Absent any changes based on the results

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of the quarterly remeasurement process, the Company anticipates continued negative accretion of $5.0 - $7.0 million for the remainder of 2012 as the FDIC loss share receivable is adjusted down for lower anticipated losses.

Noninterest Expense

Noninterest expenses were $21.4 million in the second quarter of 2012, an increase of $3.4 million, or 19%, from the same quarter of 2011. The increase over the prior year period was primarily comprised of an increase of $2.8 million in salaries and benefits primarily due to our Kansas City acquisition activity and expenses related to the long-term incentive plans. Other expenses increased $1.8 million which included a $503,000 increase in legal and professional fees, $469,000 in operating expenses and a $355,000 increase in amortization of intangibles primarily due to our Kansas City acquisition activity. These increases in expense were partially offset by a decrease in loan related legal expense and other real estate expenses of $1.3 million primarily due to lower writedowns on other real estate.

The Company's efficiency ratio, which measures noninterest expense as a percentage of total revenue, was 61.2% for the quarter ended June 30, 2012 compared to 51.2% for the prior year period. Year-to-date through June 30, 2012 the Company's efficiency ratio was 61.5% compared to 57.2% for the same period in 2011.

In 2012, the Company expects noninterest expenses to average $20 to $22 million per quarter as loan collection expenses on Covered assets remain elevated and the full year impact of compensation expense for the FNB acquisition and expenses for other new initiatives are realized.

Income Taxes

For the quarter ended June 30, 2012, the Company’s income tax expense, which includes both federal and state taxes, was $4.5 million compared to $4.4 million for the same period in 2011. The combined federal and state effective income tax rates were 34.0% and 34.5% for the quarters ended June 30, 2012, and 2011, respectively.

For the six months ended June 30, 2012, the Company’s income tax expense, which includes both federal and state

taxes, was $7.6 million compared to a $6.3 million for the same period in 2011. The combined federal and

state effective income tax rates were 33.6% and 33.9% for the six months ended June 30, 2012 and 2011, respectively.

A valuation allowance is provided on deferred tax assets when it is more likely than not that some portion of the assets will not be realized. The Company did not have any valuation allowances for federal income taxes on its deferred tax asset of $17.7 million as of June 30, 2012 and $16.0 million as of December 31, 2011. Management believes it is more likely than not that the results of future operations will generate sufficient federal taxable income to realize the deferred federal tax assets. The Company had a state valuation allowance of $320,000 as of June 30, 2012, and as of December 31, 2011.

Liquidity and Capital Resources

Liquidity management

The objective of liquidity management is to ensure we have the ability to generate sufficient cash or cash equivalents in a timely and cost-effective manner to meet our commitments as they become due. Typical demands on liquidity are run-off from demand deposits, maturing time deposits which are not renewed, and fundings under credit commitments to customers. Funds are available from a number of sources, such as from the core deposit base and from loans and securities repayments and maturities.

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Additionally, liquidity is provided from sales of the securities portfolio, fed fund lines with correspondent banks, the Federal Reserve and the FHLB, the ability to acquire large and brokered deposits, and the ability to sell loan participations to other banks. These alternatives are an important part of our liquidity plan and provide flexibility and efficient execution of the asset-liability management strategy.

Our Asset-Liability Management Committee oversees our liquidity position, the parameters of which are approved by the Bank's Board of Directors.Our liquidity position is monitored monthly by producing a liquidity report, which measures the amount of liquid versus non-liquid assets and liabilities. Ourliquidity management framework includes measurement of several key elements, such as the loan to deposit ratio, a liquidity ratio, and a dependency ratio. The Company's liquidity framework also incorporates contingency planning to assess the nature and volatility of funding sources and to determine alternatives to these sources. While core deposits and loan and investment repayments are principal sources of liquidity, funding diversification is another key element of liquidity management and is achieved by strategically varying depositor types, terms, funding markets, and instruments.

Parent Company liquidity

The parent company's liquidity is managed to provide the funds necessary to pay dividends to shareholders, service debt, invest in subsidiaries as necessary, and satisfy other operating requirements. The parent company's primary funding sources to meet its liquidity requirements are dividends and payments from the Bank and proceeds from the issuance of equity (i.e. stock option exercises, stock offerings). Another source of funding for the parent company includes the issuance of subordinated debentures. Excluding any redemption of preferred stock, management believes our current level of cash at the holding company of approximately $16.7 million will be sufficient to meet all projected cash needs for at least the next year.

As of June 30, 2012, the Company had $82.6 million of outstanding subordinated debentures as part of nine Trust Preferred Securities Pools. These securities are classified as debt but are included in regulatory capital and the related interest expense is tax-deductible, which makes them a very attractive source of funding.

Bank liquidity

The Bank has a variety of funding sources available to increase financial flexibility. In addition to amounts currently borrowed, at June 30, 2012, the Bank could borrow an additional $141.6 million from the FHLB of Des Moines under blanket loan pledges and has an additional $565.7 million available from the Federal Reserve Bank under a pledged loan agreement. The Bank has unsecured federal funds lines with four correspondent banks totaling $45.0 million.

Of the $599.7 million of the securities available for sale at June 30, 2012, $242.5 million was pledged as collateral for deposits of public institutions, treasury, loan notes, and other requirements. The remaining $357.2 million could be pledged or sold to enhance liquidity, if necessary.

The Bank belongs to the Certificate of Deposit Account Registry Service, or CDARS, which allows us to provide our customers with access to additional levels of FDIC insurance coverage on their deposits. The Company considers the reciprocal deposits placed through the CDARS program as core funding and does not report the balances as brokered sources in its internal or external financial reports. As of June 30, 2012, the Bank had $36.4 million of reciprocal CDARS money market sweep balances and $7.9 million of reciprocal certificates of deposits outstanding. In addition to the reciprocal deposits available through CDARS, the Company has access to the “one-way buy” program, which allows the Company to bid on the excess deposits of other CDARS member banks. The Company will report any outstanding “one-way buy” funds as brokered funds in its internal and external financial reports. At June 30, 2012, we had no outstanding “one-way buy” deposits.

In addition, the Bank has the ability to sell certificates of deposit through various national or regional brokerage firms, if needed. At June 30, 2012, brokered certificate of deposit balances were $101.6 million, and represented 3.9% of total deposits at June 30, 2012.

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In the normal course of business, the Bank enters into certain forms of off-balance sheet transactions, including unfunded loan commitments and letters of credit. These transactions are managed through the Bank's various risk management processes. Management considers both on-balance sheet and off-balance sheet transactions in its evaluation of the Company's liquidity. The Bank has $722.2 million in unused commitments as of June 30, 2012. While this commitment level exceeds the Company's current liquidity resources, the nature of these commitments is such that the likelihood of funding them in the aggregate at any one time is low.

Capital Resources

The Company and the Bank are subject to various regulatory capital requirements administered by the Federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possible additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and its bank affiliate must meet specific capital guidelines that involve quantitative measures of assets, liabilities, and certain off-balance-sheet items as calculated under regulatory accounting practices. The banking affiliate’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings andother factors.

Quantitative measures established by regulation to ensure capital adequacy require the Company and the Bank to maintain minimum amounts and ratios (set forth in the following table) of total and Tier 1 capital to risk-weighted assets, and of Tier 1 capital to average assets. To be categorized as “well capitalized”, banks must maintain minimum total risk-based (10%), Tier 1 risk-based (6%) and Tier 1 leverage ratios (5%). As of June 30, 2012, and December 31, 2011, the Company and the Bank met all capital adequacy requirements to which they are subject.

The Company continues to exceed regulatory standards and met the definition of “well-capitalized” (the highest category) at June 30, 2012, and December 31, 2011.

The following table summarizes the Company’s risk-based capital and leverage ratios at the dates indicated:

(Dollars in thousands)	June 30, 2012			December 31, 2011
Tier 1 capital to risk weighted assets	12.51		%	12.40		%
Total capital to risk weighted assets	13.88		%	13.78		%
Tier 1 common equity to risk weighted assets	7.62		%	7.32		%
Leverage ratio (Tier 1 capital to average tangible assets)	9.17		%	8.26		%
Tangible common equity to tangible assets	5.84		%	4.99		%
Tier 1 capital	$	291,260		$	276,275
Total risk-based capital	$	322,968		$	306,996

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The Company believes the tangible common equity and Tier 1 common equity ratios are important financial measures of capital strength even though they are considered to be non-GAAP measures. The tables below contain reconciliations of these ratios to U.S. GAAP.

Tangible common equity ratio

(In thousands)	June 30, 2012			December 31, 2011
Total shareholders' equity	$	255,888		$	239,565
Less: Preferred stock	(33,703		)	(33,293		)
Less: Goodwill	(30,334		)	(30,334		)
Less: Intangible assets	(8,310		)	(9,285		)
Tangible common equity	$	183,541		$	166,653
Total assets	$	3,183,134		$	3,377,779
Less: Goodwill	(30,334		)	(30,334		)
Less: Intangible assets	(8,310		)	(9,285		)
Tangible assets	$	3,144,490		$	3,338,160
Tangible common equity to tangible assets	5.84		%	4.99		%

Tier 1 common equity ratio

(In thousands)	June 30, 2012			December 31, 2011
Total shareholders' equity	$	255,888		$	239,565
Less: Goodwill	(30,334		)	(30,334		)
Less: Intangible assets	(8,310		)	(9,285		)
Less: Unrealized gains	(6,140		)	(3,602		)
Plus: Qualifying trust preferred securities	80,100			79,874
Other	56			57
Tier 1 capital	$	291,260		$	276,275
Less: Preferred stock	(33,703		)	(33,293		)
Less: Qualifying trust preferred securities	(80,100		)	(79,874		)
Tier 1 common equity	$	177,457		$	163,108
Total risk weighted assets determined in accordance with prescribed regulatory requirements	2,327,624			2,227,958
Tier 1 common equity to risk weighted assets	7.62		%	7.32		%

While our regulatory capital ratios at the Bank are more than adequate, our capital plan targets a tangible common equity to tangible assets ratio of 7% or better by the end of 2014.  This capital plan contemplates 1) the redemption of all or part of the $35 million of preferred stock in the Company currently held by the U.S. Treasury through the Capital Purchase Program by the end of 2012 and 2) less focus on acquisition activities. The Company has completed its annual safety and soundness exam and plans to file for regulatory approval with the Federal Reserve and the FDIC in August 2012 to redeem the preferred stock.

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Critical Accounting Policies

The impact and any associated risks related to the Company’s critical accounting policies on business operations are discussed throughout “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” where such policies affect our reported and expected financial results. For a detailed discussion on the application of these and other accounting policies, see the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

New Accounting Standards

FASB ASU 2011-04, “Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. GAAP and IFRSs” On January 1, 2012, the Company adopted new authoritative guidance under this ASU which is the result of joint efforts by the FASB and IASB to develop a single, converged fair value framework on how (not when) to measure fair value and on what disclosures to provide about fair value measurements. The amended guidance changes several aspects of the fair value measurement guidance in FASB Accounting Standards Codification 820 “Fair Value Measurement” including the following provisions:

• Application of the concepts of highest and best use and valuation premise

• Introduction of a option to measure groups of offsetting assets and liabilities on a net basis

• Incorporation of certain premiums and discounts in fair value measurements

• Measurement of the fair value of certain instruments classified in shareholders' equity

In addition, the amended guidance includes several new fair value disclosure requirements, including information about valuation techniques and unobservable inputs used in Level 3 fair value measurements and a narrative description of Level 3 measurements' sensitivity to changes in unobservable inputs. The adoption of this guidance did not have a material impact on the the Company's consolidated financial statements.

FASB ASU 2011-05, “Presentation of Comprehensive Income" On January 1, 2012, the Company adopted new authoritative guidance which amends Topic 220, Comprehensive Income by eliminating the option to present components of other comprehensive income (OCI) in the statement of stockholders' equity. This new guidance requires entities to present all nonowner changes in stockholders' equity either as a single continuous statement of comprehensive income or as two separate but consecutive statements. This ASU also requires entities to present all reclassification adjustments from OCI to net income on the face of the statement of comprehensive income. The adoption of this guidance did not have a material impact on the the Company's consolidated financial statements.

FASB ASU 2011-08, "Testing Goodwill for Impairment" On January 1, 2012, the Company adopted new authoritative guidance which permits entities to first perform a qualitative assessment to determine whether it is more likely than not (a likelihood of more than 50 percent) that the fair value of a reporting unit is less than its carrying amount. If the entity determines that it is more likely than not that the fair value of a reporting unit is less than its carrying amount, it would perform the first step of the goodwill impairment test; otherwise, no further impairment test would be required. The adoption of this guidance did not have a material impact on the the Company's consolidated financial statements.

FASB ASU 2011-11, "Disclosures about Offsetting Assets and Liabilities" In December 2011, the FASB issued ASU 2011-11 which requires entities with financial instruments and derivatives that are either offset on the balance sheet or subject to a master nettting or similar arrangement are required to disclose the following information separately for assets and liabilities in a tabular format:

• Gross amounts of recognized assets and liabilities

• Offsetting amounts that determine the net amount presented in the balance sheet

• Amounts subject to an enforceable master netting arrangement that were not already included in the disclosure required by (2) above, including

◦ Amounts related to recognized financial instruments and other derivative instruments if either (a) management makes an accounting election not to offset the amounts, or (b) the amounts do not meet

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the right of setoff conditions in ASC 210-30-45, Balance Sheet: Offsetting, or in ASC 815-10-45, Derivatives and Hedging

◦ Amounts related to financial collateral

• Net amounts after deducting the amounts in (4) from the amounts in (3) above

In addition to the tabular disclosure described above, entities are required to provide a description of the setoff rights associated with assets and liabilities subject to an enforceable master netting arrangement. This ASU is effective for the years beginning on or after January 1, 2013, and interim periods within those annual periods. The guidance must be applied retrospectively for any period presented that begins before an entity's date of initial application. The Company believes this ASU will not have a material impact on the Company's consolidated financial statements.

FASB ASU 2011-12, "Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income in Accounting Standards Update No. 2011-05" On January 1, 2012, the Company adopted new authoritative guidance which indefinitely defers the new provisions under ASU 2011-05 which required entities to present reclassification adjustments out of accumulated other comprehensive income by component in both the statement in which net income is presented and the statement in which other comprehensive income is presented for both interim and annual financial statements. The adoption of this guidance did not have a material impact on the the Company's consolidated financial statements.

ITEM 3: QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The disclosures set forth in this item are qualified by the section captioned “Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995” included in Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations of this report and other cautionary statements set forth elsewhere in this report.

Market risk arises from exposure to changes in interest rates and other relevant market rate or price risk. The Company faces market risk in the form of interest rate risk through transactions other than trading activities. Market risk from these activities, in the form of interest rate risk, is measured and managed through a number of methods. The Company uses financial modeling techniques to measure interest rate risk. These techniques measure the sensitivity of future earnings due to changing interest rate environments. Guidelines established by the Bank’s Asset/Liability Management Committee and approved by the Bank’s Board of Directors are used to monitor exposure of earnings at risk. General interest rate movements are used to develop sensitivity as the Company feels it has no primary exposure to a specific point on the yield curve. These limits are based on the Company’s exposure to a 100 basis points and 200 basis points immediate and sustained parallel rate move, either upward or downward. In today’s low interest rate environment, the Company also monitors its exposure to immediate and sustained parallel rate increases of 300 basis points and 400 basis points.

Interest rate simulations for June 30, 2012, demonstrate that a rising rate environment will have a positive impact on net interest income.

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The following table represents the Company’s estimated interest rate sensitivity and periodic and cumulative gap positions calculated as of June 30, 2012.

(in thousands)	Year 1			Year 2		Year 3		Year 4		Year 5		Beyond 5 years or no stated maturity		Total
Interest-Earning Assets
Securities available for sale	$	163,888		$	66,104	$	58,561	$	40,704	$	132,054	$	138,425	$	599,736
Other investments	—			—		—		—		—		14,501		14,501
Interest-bearing deposits	47,589			—		—		—		—		—		47,589
Federal funds sold	58			—		—		—		—		—		58
Portfolio loans (1)	1,586,821			284,147		137,013		91,363		54,776		37,362		2,191,482
Loans held for sale	4,928			—		—		—		—		—		4,928
Total interest-earning assets	$	1,803,284		$	350,251	$	195,574	$	132,067	$	186,830	$	190,288	$	2,858,294
Interest-Bearing Liabilities
Savings, NOW and Money market deposits	$	1,302,943		$	—	$	—	$	—	$	—	$	—	$	1,302,943
Certificates of deposit	337,876			144,620		49,857		118,113		26,901		7		677,374
Subordinated debentures	56,807			28,274		—		—		—		—		85,081
Other borrowings	142,979			—		10,000		—		—		70,000		222,979
Total interest-bearing liabilities	$	1,840,605		$	172,894	$	59,857	$	118,113	$	26,901	$	70,007	$	2,288,377
Interest-sensitivity GAP
GAP by period	$	(37,321	)	$	177,357	$	135,717	$	13,954	$	159,929	$	120,281	$	569,917
Cumulative GAP	$	(37,321	)	$	140,036	$	275,753	$	289,707	$	449,636	$	569,917	$	569,917
Ratio of interest-earning assets to interest-bearing liabilities
Periodic	0.98			2.03		3.27		1.12		6.95		2.72		1.25
Cumulative GAP as of June 30, 2012	0.98			1.07		1.13		1.13		1.20		1.25		1.25

(1) Adjusted for the impact of the interest rate swaps.

ITEM 4: CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of the Company’s Chief Executive Officer (CEO) and the Chief Financial Officer (CFO), management has evaluated the effectiveness of the design and operation of the Company’s disclosure controls and procedures pursuant to Exchange Act Rule 13a-15, as of June 30, 2012. Disclosure controls and procedures include without limitation, controls and procedures designed to ensure that information required to be disclosed by an issuer in the reports that it files or submits under the Act is accumulated and communicated to the issuer’s management, including its principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

Based on that evaluation, the CEO and CFO concluded that the Company’s disclosure controls and procedures were effective as of June 30, 2012 to provide reasonable assurance of the achievement of the objectives described above.

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As discussed in our Annual Report on Form 10-K for fiscal year 2011, management discovered a material weakness in our internal control over financial reporting. Management has taken the following actions to remediate the material weakness. The remediation efforts include, but are not limited to, the following:

• Implemented a commercially available system specifically designed to address the accounting requirements under ASC 310-30, "Loans & Debt Securities Acquired with Deteriorated Credit Quality";

• Implemented additional reconciliation and other procedures surrounding the calculation of the effective yield for acquired loans;

• Hired additional personnel in the Loss Share accounting department;

• Utilization of an accounting firm to consult in the analysis and preparation of accounting entries required under ASC 310-30; and

• Reversed contractual interest related to the acquired loans.

Management believes the foregoing options have remediated the material weakness.

Changes to Internal Controls

Except for the foregoing actions, there were no changes during the period covered by this Quarterly Report on Form 10-Q in the Company's internal controls over financial reporting that have materially affected, or are reasonably likely to materially affect, those controls. As the company continues to evaluate and work to improve its internal control over financial reporting, management may determine to take additional measures to address control deficiencies or determine to modify the remediation plan described above.

PART II – OTHER INFORMATION

ITEM 1: LEGAL PROCEEDINGS

The following information supplements the discussion in Part I, Item 3 “Legal Proceedings” in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2011, and as updated by the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2012:

Distinctive Notes

The Bank, along with other co-defendants has been named as a defendant in two lawsuits filed by persons alleging to be clients of the Bank’s Trust division who invested in promissory notes (the "Distinctive Notes") issued by Distinctive Properties (UK) Limited (“Distinctive Properties”), a company involved in the purchase and development of real estate in the United Kingdom. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuits.

Rosemann, et al. v. Martin Sigillito, et al. 

In one of the lawsuits, the plaintiffs allege that the investments in the Distinctive Notes were part of a multi-million dollar Ponzi scheme. Plaintiffs allege to hold such promissory notes in accounts with the Trust division and that, among other things, the Bank was negligent, breached its fiduciary duties and breached its contracts. Plaintiffs also allege that

the Bank violated the Racketeer Influenced and Corrupt Organizations Act (“RICO”). Plaintiffs, in the aggregate, are seeking damages from defendants, including the Bank, in excess of $25.0 million as well as their costs and attorneys’ fees and trebled damages under RICO.

As previously reported, on July 1, 2011, the United States moved to intervene in the case for purposes of securing a stay of the case pending completion of its criminal case against the individual defendants, which did not include the Company, the Bank or any affiliates thereof.

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BJD, LLC and Barbara Dunning v. Enterprise Bank & Trust, et. al.

The Bank has also been named as a defendant in this case, relating to BJD’s investment in the Distinctive Notes.

Plaintiffs allege that the Bank, and the other defendants breached their fiduciary duties and were negligent in allowing plaintiffs to invest in the Distinctive Notes because the loan program was allegedly never funded and the assets of the borrower did not exist or were overvalued. Plaintiffs are seeking approximately $800,000 in damages, 9% interest, punitive damages, attorneys’ fees and costs.

On July 11, 2011, the U.S. Attorney's Office moved to intervene in this case as well for purposes of seeking a stay of certain discovery pending completion of the above described criminal proceedings. As a result, certain discovery in the case was put on hold for the duration of such criminal proceedings.

The criminal proceedings against Sigillito began on March 19, 2012. After a four week trial, Sigillito was found guilty of 20 counts of wire fraud, mail fraud, conspiracy and money laundering. Following this verdict, the judge lifted the stay in the Rosemann case and scheduled a Rule 16 conference for May 31, 2012. The case is now set for a four week jury trial starting August 26, 2013. The court in the Dunning case has granted the Bank's motion to compel arbitration and stay proceedings. Arbitration proceedings are not yet underway.

William Mark Scott v. Enterprise Financial Services Corp

On April 10, 2012, a putative class action was filed in the United States District Court for the Eastern District of

Missouri captioned William Mark Scott v. Enterprise Financial Services Corp, Peter F. Benoist, and Frank H. Sanfilippo. The complaint asserts claims for violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of a putative class of purchasers of the Company's stock between April 20, 2010 and January 25, 2012, inclusive. The complaint alleges, among other things, that defendants made false and misleading statements and "failed to disclose that the Company was improperly recording income on loans covered under loss share agreements with the FDIC" and that, as a result, "the Company's financial statements were materially false and misleading at all relevant times." The action seeks unspecified damages and costs and expenses. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuit.

ITEM 1A: RISK FACTORS

Please see the cautionary language regarding forward-looking statements in the introduction to Item 2 of Part I of this Report on Form 10-Q, and Part I - Item 1A of our Report on Form 10-K for the fiscal year ended December 31, 2011, for information regarding risk factors. Following is a discussion of material changes to the risk factors described in such Annual Report on Form 10-K.

The Federal Reserve has proposed new capital requirements for financial institutions which, if adopted in their current form, may require us to retain or raise additional capital or and/or reduce dividends.

As previously disclosed, among other things, the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”) required the Federal Reserve to promulgate minimum capital requirements for bank holding companies, including leverage (Tier 1) and risk based capital requirements that are no less stringent than those applicable to banks. In response to this mandate, on June 7, 2012, the Federal Reserve issued a notice of proposed rulemaking on increased regulatory capital requirements, implementing changes required by the Dodd-Frank Act and portions of the Basel III regulatory capital reforms.

We are still analyzing the proposed capital regulations and the effect they would have on us and our business. While the regulations may change before adoption in their final form, the proposed capital requirements for bank holding companies may require us to retain or raise additional capital, restrict our ability to pay dividends and repurchase shares of our common stock and/or require other changes to our strategic plans. Notably, the proposed new capital regulations are more strict in in their treatment of trust preferred securities than required by the Dodd-Frank Act. The Dodd-Frank Act does not require phasing out trust preferred securities issued before May 19, 2010 from Tier 1 capital status for

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bank holding companies with total assets less than $15 billion. However, the proposed new capital requirements would phase out Tier 1 capital treatment of trust preferred securities over 10 years beginning in 2013 with full phase out occurring on January 1, 2022.

Our controls and procedures may fail or be circumvented.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. As disclosed in Item 9A of our Annual Report on Form 10-K for the 2011 fiscal year, management identified a material weakness in our internal control over financial reporting related to accounting for loans we acquired in FDIC assisted transactions. As a result of this material weakness, our management concluded that our internal control over financial reporting was not then effective. During the second quarter of 2012, management completed the actions which it believes were necessary to remediate this material weakness. Although we believe that this material weakness has been remediated, there can be no assurance that similar weaknesses will not occur in the future which could adversely affect our future results of operations or our stock price.

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ITEM 6: EXHIBITS

Exhibit Number	Description
	Registrant hereby agrees to furnish to the Commission, upon request, the instruments defining the rights of holders of each issue of long-term debt of Registrant and its consolidated subsidiaries.
10.1	Enterprise Financial Services Corp Stock Plan for Non-Management Directors, as Amended and Restated effective June 4, 2012 (incorporated herein by reference to Appendix A to Registrant's Proxy Statement on Schedule 14A filed on April 23, 2012).
*10.2	Form of Restricted Stock Unit Award Agreement governing awards to named executive officers under 2009-2011 Long Term Incentive Plan, effective May 3, 2012.
*10.3	Form of Restricted Stock Award Agreement governing awards to named executive officers under 2009-2011 Long Term Incentive Plan, effective May 3, 2012.
*12.1	Computation of Ratio of Earnings to Fixed Charges and Preferred Dividends
*31.1	Chief Executive Officer’s Certification required by Rule 13(a)-14(a).
*31.2	Chief Financial Officer’s Certification required by Rule 13(a)-14(a).
**32.1	Chief Executive Officer Certification pursuant to 18 U.S.C. § 1350, as adopted pursuant to section § 906 of the Sarbanes-Oxley Act of 2002.
**32.2	Chief Financial Officer Certification pursuant to 18 U.S.C. § 1350, as adopted pursuant to section § 906 of the Sarbanes-Oxley Act of 2002.
***101	Pursuant to Rule 405 of Regulation S-T, the following financial information from the Company’s Quarterly Report on Form 10-Q for the period ended June 30, 2012, is formatted in XBRL interactive data files: (i) Consolidated Balance Sheet at June 30, 2012 and December 31, 2011; (ii) Consolidated Statement of Income for the three months and six months ended June 30, 2012 and 2011; (iii) Consolidated Statement of Comprehensive Income for the three months and six months ended June 30, 2012 and 2011; (iv) Consolidated Statement of Changes in Equity and Comprehensive Income for the six months ended June 30, 2012 and 2011; (v) Consolidated Statement of Cash Flows for the six months ended June 30, 2012 and 2011; and (vi) Notes to Financial Statements.

* Filed herewith

** Furnished herewith. Notwithstanding any incorporation of this Quarterly Statement on Form 10-Q in any other filing by the Registrant, Exhibits furnished herewith and designated with two (**) shall not be deemed incorporated by reference to any other filing unless specifically otherwise set forth herein or therein.

***As provided in Rule 406T of Regulation S-T, this information is furnished and not filed for purposes of Sections 11 and 12 of the Securities Act of 1933 and Section 18 of the Securities Exchange Act of 1934.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Clayton, State of Missouri on the day ofAugust 8, 2012.

ENTERPRISE FINANCIAL SERVICES CORP
By:	/s/ Peter F. Benoist
	Peter F. Benoist
	Chief Executive Officer
By:	/s/ Frank H. Sanfilippo
	Frank H. Sanfilippo
	Chief Financial Officer

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EX-10.2

RESTRICTED STOCK UNIT AGREEMENT

AGREEMENT made this 3rd day of May, 2012 (the “Award Date”), between ENTERPRISE FINANCIAL SERVICES CORP, a Delaware corporation (the “Company”), and ___________ (“Employee”).

1. AWARD. The Company hereby awards and issues to Employee ____ restricted stock units (the “Units”). Each Unit represents the right to receive one share of Restricted Stock under the Company's 2002 Stock Incentive Plan (as amended from time to time, the “Plan”) subject to the terms of the Plan (including, without limitation, adjustment of the ratio of converting Units into Restricted Stock provided for in the Plan) and to the vesting requirements set forth herein.

2. VESTING.

(a)Vesting of the Units shall be based upon periods of service subsequent to the date of award and not on other Qualifying Performance Criteria. Units shall vest in accordance with the following schedule provided that Employee is employed by the Company on the Vesting Date:

Vesting Date	Percentage of Units Vesting	Cumulative Vesting Percentage
December 15, 2012	20%	20%
December 15, 2013	20%	40%
December 15, 2014	20%	60%
December 15, 2015	20%	80%
December 15, 2016	20%	100%

Immediately on and as of each such vesting date (or any earlier vesting date pursuant to Section 2(b) below), the Units shall be converted into shares of Restricted Stock under the Plan and the Company shall issue such shares to Employee by means of book entry and shall, upon request of the Employee, issue a certificate representing such shares and Employee shall have all rights of a shareholder of record with respect to such shares from and after such date. Employee shall have neither the right to vote nor the right to receive cash dividends or distributions nor any other rights as a shareholder with respect to the Units prior to the date of vesting.

(b)In the event of death, Disability, Retirement or Change of Control (in each case, as defined below), all Units not otherwise vested shall immediately become vested.

(c)As used herein the following terms have the definitions indicated:

i.“Change of Control” has the meaning set forth in the Plan.

ii.“Disability” means qualification for disability benefits under the Social Security disability insurance program, or if an employee is determined to be permanently disabled by the Committee in its discretion.

iii.“Retirement” means the termination of employment, other than for reasons that constitute deliberate gross misconduct, determined in the sole discretion of the Committee, after the time that the Employee has attained 60 years of age and the sum of his attained age and his continuous full years of full time employment service with the Company is 70 (e.g., having attained the age of 60 with 10 years of employment with the Company or age 65 with 5 years of employment with the Company would qualify the employee for Retirement). For these purposes, an employee will be deemed to have a year of full time employment service with the Company if the employee would be entitled to receive credit for a year of service under a qualified pension plan in accordance with Internal Revenue Service Code §1053(b)(2)(c).

(d)Subject to subsection (b) above, the Employee will forfeit all unvested Units and vesting of Units shall immediately terminate upon the termination of Employee's employment with the Company for any reason or no reason.

3. TERMS AND LIMITATIONS.

(a) ISSUANCE OF UNITS. The Units shall be evidenced by this Agreement and deemed issued on the Award Date.

(b) PLAN INCORPORATED. The terms and conditions of the Plan are incorporated herein by reference. Employee acknowledges receipt of a copy of the Plan (as amended and restated to the date hereof) and agrees that this award of Units shall be subject to all of the terms and conditions set forth in the Plan, including future amendments thereto, if any, provided, however, that no such future amendment shall have an effect upon the vesting requirements set forth herein or impose additional vesting requirements or extend restrictions on Restricted Stock beyond the time of vesting. Capitalized terms not otherwise defined herein shall have the meaning set forth in the Plan.

(c)CPP PROVISIONS. Employee acknowledges that (a) the Company is a participant in the Capital Purchase Program (the “CPP”) offered by the United States Department of the Treasury and (b) the Company and its affiliates are required to meet certain executive compensation and corporate governance standards under Section 111 of the Emergency Economic Stabilization Act of 2008, as amended, including amendments pursuant to Section 7001, et. seq., of the American Recovery of Reinvestment Act of 2009 (“EESA”), as implemented by guidance or regulation thereunder that has been issued and is in effect as of the date of this Agreement or is promulgated thereafter, including without limitation 31 C.F.R. Part 30 of the Code of Federal Regulations (such guidance or regulation being hereinafter referred to as the “CPP Guidance”). Notwithstanding anything contained in this Agreement to the contrary, as of the date hereof (or on such date thereafter as it becomes necessary pursuant to the EESA or CPP Guidance), if, in the good faith determination of the Company after consultation with counsel of its choice, any statute or regulation promulgated before, on or after the date of this Agreement imposes additional requirements or restrictions on compensation which the Company may pay to Employee which conflict with the provisions of this Agreement, (i) the Company shall not be required to pay or accrue any grant, award, incentive or compensation to the extent of such restriction and this Agreement shall be deemed automatically amended to the extent of such restriction and (ii) Employee shall execute and deliver any amendments to this Agreement which the Company, in good faith after consultation with counsel of its choice, deems necessary to comply with such statute or regulation.

4. WITHHOLDING OF TAX; SHORT-TERM DEFERRAL. To the extent that the vesting of Units or receipt of shares of Restricted Stock results in income to Employee for federal, state or local income tax purposes, Employee shall pay to the Company, or make arrangements satisfactory to the Committee regarding payment of, any federal, state or local taxes of any kind required by law to be withheld with respect to such income. The Company shall, to the extent permitted by law, have the right to deduct any such taxes from any payment of any kind otherwise due to the Employee, including the right but not the obligation to effect such withholding by offset against the shares of Restricted Stock deliverable in respect of vested Units. The Units granted under this Agreement and the benefits incident thereto constitute short-term deferrals within the meaning of Treasury Regulation Section 1.409A-1(b)(4).

5. SALE OR TRANSFER OF UNITS OR STOCK. Employee agrees that the Units may not

be sold, transferred or otherwise disposed of in any manner prior to vesting. Employee also understands that although the issuance of grants and awards under the Plan has been registered under the Securities Act of 1933, such registration does not apply to any resale or transfer by Employee of the shares of stock resulting from vesting of units under this award and the Plan. Employee also agrees (i) that the certificates representing the Restricted Stock may bear such legend or legends as the Committee deems appropriate in order to assure compliance with applicable securities laws, (ii) that the Company may refuse to register the transfer of the Restricted Stock on the stock transfer records of the Company if such proposed transfer would in the opinion of counsel satisfactory to the Company constitute a violation of any applicable securities law, and (iii) that the Company may give related instructions to its transfer agent to stop registration of the transfer of the Restricted Stock.

6. EMPLOYMENT RELATIONSHIP. For purposes of this Agreement, including

determination of vesting, Employee shall be considered to be in the employment of the Company as long as Employee remains an employee of either the Company, any successor corporation (including any parent entity succeeding to the business of or control of the Company) or subsidiary corporation (as defined in Section 424 of the Code) of the Company or any successor corporation. Any question as to whether and when there has been a termination of such employment, and the cause of such termination, shall be determined by the Committee, and its determination shall be final and binding on all persons, including Employee.

7.CONFIDENTIALITY; NON-SOLICITATION. In consideration for the award of Units, Employee agrees as follows:

(a)From the Award Date continuing for a period until six months following any termination of Employee's employment with the Company (the “Restricted Period”), (i) Employee, directly or indirectly, whether alone or in association, or combination with any other Person, or as an officer, director, shareholder, member, manager, employee, agent, independent contractor, consultant, advisor, joint-venturer, partner or otherwise, and whether or not for pecuniary benefit shall not (A) solicit, take away, attempt to take away, divert, accept business from or attempt to divert any customer from the Company or its subsidiaries or (B) induce, attempt to induce or aid any person in inducing any customer to cease doing business with the Company or any of its subsidiaries or in any way interfere with the relationship between any customer and the Company or its subsidiaries and (ii) Employee shall not be employed by or act as a consultant for any person which directly, or through any of its affiliates, takes any of the actions described in the immediately preceding clause (i).

(b)During the Restricted Period, Employee shall not (i) directly or indirectly, entice or induce, or attempt to, entice or induce, or assist any Person in which Employee is an investor, consultant or employee to entice or induce, any employee of the Company or its subsidiaries to leave such employ or (ii) directly or indirectly employ, and shall not be employed, invest in or act as a consultant for any Person who employs, any employee of the Company or its subsidiaries.

(c)Employee shall always refrain from any direct or indirect use or disclosure (whether intentional, negligent or reckless) of any trade secret or confidential or proprietary information of the Company to any person or business, without regard to the nature of Employee's termination from the Company.

Employee acknowledges that any violation of paragraphs (a) through (c) above will cause the Company severe, immediate and irreparable harm entitling the Company to injunctive relief in addition to any other remedies that may be available at law or in equity. The parties hereto agree that to the extent that any provision or portion of this Section 4 is held to be unreasonable, unlawful or unenforceable by a court of competent jurisdiction, then any such provision shall be deemed to be modified to the extent necessary in order that any such provision or portion thereof shall be legally enforceable to the fullest extent permitted by applicable law. As used herein, the term “Company” shall include the Company, its successors, subsidiaries and affiliates. The provisions of paragraphs (a) through (c) above shall be in addition to any other noncompetition, nonsolicitation or confidentiality agreements to which Employee is subject and not supersede or override any such other agreements.

8.COMMITTEE'S POWERS. No provision contained in this Agreement shall in any way terminate, modify or alter, or be construed or interpreted as terminating, modifying or altering any of the powers, rights or authority vested in the Committee pursuant to the terms of the Plan, including, without limitation, the Committee's rights to make certain determinations and elections with respect to the Units and Restricted Shares.

9. BINDING EFFECT. This Agreement shall be binding upon and inure to the benefit of

the Company, its subsidiaries and any of their respective successors, and all persons lawfully claiming under Employee.

10. GOVERNING LAW. This Agreement shall be governed by, and construed in

accordance with, the laws of the State of Missouri.

IN WITNESS WHEREOF, the Company has caused this Agreement to be duly executed by an officer thereunto duly authorized, and Employee has executed this Agreement, all effective as of the date first above written.

ENTERPRISE FINANCIAL SERVICES CORP

By: ________________________________________

Name: ______________________________________

Title: _______________________________________

___________________________________________

EMPLOYEE

EX-10.3

ENTERPRISE FINANCIAL SERVICES CORP

RESTRICTED STOCK AWARD AGREEMENT

THIS AGREEMENT (the “Agreement”) is made between ENTERPRISE FINANCIAL SERVICES CORP, a Delaware corporation (the “Company”), and __________________________ (“Grantee”), as of the Award Date (defined below).

1. AWARD.

Number of shares of Restricted Stock Subject to Award	_____________
Fair Market Value per Share on Date of Award*:	$_____
Date of Award (“Award Date”)	May __, 2012

*Fair Market Value is based on the average closing price of shares of the Company's stock on the Nasdaq Stock Market during the ten trading day period ending on the Award Date.

(a) SHARES. The Company hereby awards and issues to Grantee the shares of restricted stock specified above (the “Shares”), pursuant to the terms of and subject to conditions of the Company's 2002 Stock Incentive Plan (as amended from time to time, the “Plan”) and this Agreement.

(b) PLAN INCORPORATED. The terms and conditions of the Plan are incorporated herein by reference. Grantee acknowledges receipt of a copy of the Plan (as amended and restated to the date hereof) and agrees that this award of the Shares shall be subject to all of the terms and conditions set forth in the Plan, including future amendments thereto, if any, provided, however, that, except as provided in subsection (c) below, no such future amendment shall have an effect upon the vesting requirements set forth herein or impose additional forfeiture conditions or vesting requirements or extend restrictions on the Shares beyond the time of vesting. Capitalized terms not otherwise defined herein shall have the meaning set forth in the Plan.

(c)CPP PROVISIONS. Grantee acknowledges that (a) the Company is a participant in the Capital Purchase Program (the “CPP”) offered by the United States Department of the Treasury and (b) the Company and its affiliates are required to meet certain executive compensation and corporate governance standards under Section 111 of the Emergency Economic Stabilization Act of 2008, as amended, including amendments pursuant to Section 7001, et. seq., of the American Recovery of Reinvestment Act of 2009 (“EESA”), as implemented by guidance or regulation thereunder that has been issued and is in effect as of the date of this Agreement or is promulgated thereafter, including without limitation 31 C.F.R. Part 30 of the Code of Federal Regulations (such guidance or regulation being hereinafter referred to as the “CPP Guidance”). Notwithstanding anything contained in this Agreement to the contrary, as of the date hereof (or on such date thereafter as it becomes necessary pursuant to the EESA or CPP Guidance), if, in the good faith determination of the Company after consultation with counsel of its choice, any statute or regulation promulgated before, on or after the Award Date imposes additional requirements or restrictions on compensation which the Company may pay to Grantee which conflict with the provisions of this Agreement, (i) the Company shall not be required to pay or accrue any grant, award, incentive or compensation to the extent of such restriction and this Agreement shall be deemed automatically amended to the extent of such restriction and (ii) Grantee shall execute and deliver any amendments to this Agreement which the Company, in good faith after consultation with counsel of its choice, deems necessary to comply with such statute or regulation.

2. FORFEITURE AND TRANSFERABILITY.

(a)(i)The Shares shall vest immediately on each of the following dates (each a “Vesting Date”) in accordance with the following schedule:

Date	Amount Vested
Second Anniversary of Award Date	40% of Shares
December 15, 2014	20% of Shares
December 15, 2015	20% of Shares
December 15, 2016	20% of Shares

(ii)Any Shares not then vested in accordance with the above schedule shall be forfeited to the Company for no consideration immediately after Grantee fails to maintain continuous employment with the Company or its subsidiaries for any reason whatsoever until the earliest to occur of the following dates: (i) the last Vesting Date specified in Section 2(a)(i) above; (ii) the date of Grantee's death; (iii) the date on which Grantee is Disabled (for which purpose, “Disabled” shall mean qualification for disability benefits under the Social Security disability insurance program, or if an employee is determined to be permanently disabled by the Committee in its discretion), or (iv) a “Change in Control Event” as defined in Treasury Regulation 1.409A-3(i)(5)(i).

(b)In accordance with the EESA and the CPP Guidance, the Shares may not be sold, pledged, assigned, hypothecated, transferred or disposed of in any manner (collectively, “Transferred”), other than by will or by the laws of descent or distribution, prior to the vesting of the Shares pursuant to paragraph 2(a)(i) above. In addition, the Shares may not be Transferred at any time earlier than permitted under the following schedule (except as necessary to reflect a merger or acquisition of the Company, as described in the definition of “Long-term Restricted Stock” in Q30.0 of 31 C.F.R. Part 30 of the Code of Federal Regulations):

(i) 25% of the Shares may be Transferred on or after the time the Company repays 25% of the aggregate financial assistance received by the Company under the CPP;

(ii)An additional 25% of the Shares may be Transferred on or after the time the Company repays 50% of the aggregate financial assistance received by the Company under the CPP;

(iii)An additional 25% of the Shares may be Transferred on or after the time the Company repays 75% of the aggregate financial assistance received by the Company under the CPP; and

(iv)An additional 25% of the Shares may be Transferred on or after the time the Company repays 100% of the aggregate financial assistance received by the Company under the CPP.

Notwithstanding the foregoing, in the case of Shares subject to this Award for which the Grantee does not make an election under Section 83(b) of the Code in accordance with Section 5(b), at any time beginning with the date upon which the Shares Vest and ending on December 31 of the calendar year including that date, a portion of the Shares may be Transferred as may reasonably be required to pay the federal, state, local, or foreign taxes that are anticipated to apply to the income recognized due to the Vesting, and any Shares transferred for this purpose shall not count toward the percentages in the schedule above.

(c)For purposes of this Agreement, including determination of vesting, Grantee shall be considered to be in the employment of the Company as long as Grantee remains an employee of either the Company, any successor corporation (including any parent entity succeeding to the business of or control of the Company) or subsidiary corporation (as defined in Section 424 of the Code) of the Company or any successor corporation. Any question as to whether and when there has been a termination of such employment, and the cause of such termination, shall be determined by the Committee, and its determination shall be final and binding on all persons, including Grantee.

3. WITHHOLDING OF TAX; SHORT-TERM DEFERRAL. To the extent that the vesting of Shares or receipt of Shares results in income to Grantee for federal, state or local income tax purposes, Grantee shall pay to the Company, or make arrangements satisfactory to the Committee regarding payment of, any federal, state or local taxes of any kind required by law to be withheld with respect to such income. The Company shall, to the extent permitted by law, have the right to deduct any such taxes from any payment of any kind otherwise due to the Grantee, including the right but not the obligation to effect such withholding by deducting the a number of Shares with a fair market value equal to the amount of any such obligation, to the extent permitted by the CPP Guidance. The Shares granted under this Agreement and the benefits incident thereto constitute short-term deferrals within the meaning of Treasury Regulation Section 1.409A-1(b)(4).

4.CONFIDENTIALITY; NON-SOLICITATION. In consideration for the award of Shares, Grantee agrees as follows:

(a)From the Award Date continuing for a period until six months following any termination of Grantee's employment with the Company (the “Restricted Period”), (i) Grantee, directly or indirectly, whether alone or in association, or combination with any other Person, or as an officer, director, shareholder, member, manager, employee, agent, independent contractor, consultant, advisor, joint-venturer, partner or otherwise, and whether or not for pecuniary benefit shall not (A) solicit, take away, attempt to take away, divert, attempt to divert or accept business from any customer from the Company or its subsidiaries or (B) induce, attempt to induce or aid any person in inducing any customer to cease doing business with the Company or any of its subsidiaries or in any way interfere with the relationship between any customer and the Company or its subsidiaries and (ii) Grantee shall not be employed by or act as a consultant for any person which directly, or through any of its affiliates, takes any of the actions described in the immediately preceding clause (i).

(b)During the Restricted Period, Grantee shall not (i) directly or indirectly, entice or induce, or attempt to, entice or induce, or assist any Person in which Grantee is an investor, consultant or employee to entice or induce, any employee of the Company or its subsidiaries to leave such employ or (ii) directly or indirectly employ, and shall not be employed, invest in or act as a consultant for any Person who employs, any employee of the Company or its subsidiaries.

(c)Grantee shall always refrain from any direct or indirect use or disclosure (whether intentional, negligent or reckless) of any trade secret or confidential or proprietary information of the Company to any person or business, without regard to the nature of Grantee's termination from the Company.

Grantee acknowledges that any violation of paragraphs (a) through (c) above will cause the Company severe, immediate and irreparable harm entitling the Company to injunctive relief in addition to any other remedies that may be available at law or in equity. The parties hereto agree that to the extent that any provision or portion of this Section 4 is held to be unreasonable, unlawful or unenforceable by a court of competent jurisdiction, then any such provision shall be deemed to be modified to the extent necessary in order that any such provision or portion thereof shall be legally enforceable to the fullest extent permitted by applicable law. As used herein, the term “Company” shall include the Company, its successors, subsidiaries and affiliates. The provisions of paragraphs (a) through (c) above shall be in addition to any other noncompetition, nonsolicitation or confidentiality agreements to which Grantee is subject and not supersede or override any such other agreements.

5. Section 83 of the Code. Grantee acknowledges that he understands the following:

(a)Under Section 83(a) of the Code, the excess of the fair market value on the date of Vesting of the Shares over the fair market value on the Award Date of such Shares will be taxed at the time of Vesting as ordinary income and subject to payroll and withholding taxes and to tax reporting, as applicable.

(b)Grantee may elect under Section 83(b) of the Code to be taxed at ordinary income rates based on the fair market value of the Shares at the time such shares are awarded, rather than at the time and as the Shares Vest. Such election (an “83(b) Election”) must be filed with the Internal Revenue Service within thirty (30) days from

the Date of Award. Grantee (i) will not be entitled to a deduction for any ordinary income previously recognized as a result of the 83(b) Election if Shares are subsequently forfeited to the Company, and (ii) the 83(b) Election may cause Grantee to recognize more compensation income than he would have otherwise recognized if the value of the Shares subsequently declines. As a convenience to Grantee, the Company has provided Grantee with a form for making an 83(b) Election. FAILURE TO FILE SUCH AN ELECTION WITHIN THE REQUIRED THIRTY (30) DAY PERIOD AND AS OTHERWISE DESCRIBED IN THE FORM MAY RESULT IN THE RECOGNITION OF ORDINARY INCOME BY EMPLOYEE AS SHARES OF RESTRICTED STOCK VEST. Grantee acknowledges that it is Grantee's sole responsibility to timely file the election under Section 83(b) of the Code if Grantee chooses to make such an election. Grantee agrees to provide the Company with a copy of any such election.

(c)The foregoing is only a summary of the federal income tax laws that apply to the Shares and does not purport to be complete. EMPLOYEE IS DIRECTED TO SEEK INDEPENDENT ADVICE REGARDING THE APPLICABLE PROVISIONS OF THE CODE, THE INCOME TAX LAWS OF ANY MUNICIPALITY, STATE OR FOREIGN COUNTRY IN WHICH HE MAY RESIDE, AND THE TAX CONSEQUENCES OF YOUR DEATH.

6.STOCK POWER. Grantee agrees to deliver a Stock Power and Assignment Separate from Certificate in the form attached as Exhibit A (with the transferee, certificate number, date and number of shares left blank), executed by Grantee and his spouse, if any, along with any certificate(s) evidencing Shares issued to him, to the Secretary of the Company or its designee (“Escrow Holder”). EMPLOYEE HEREBY APPOINTS THE ESCROW HOLDER TO HOLD SUCH STOCK POWER AND ANY SUCH CERTIFICATE(S) IN ESCROW AND TO TAKE ALL SUCH ACTIONS, AND TO EFFECTUATE ALL SUCH TRANSFERS AND/OR RELEASES OF SUCH SHARES, AS ARE REQUIRED TO EFFECTUATE THE TERMS OF THIS AWARD. The foregoing appointment is a power coupled with an interest and may not be revoked by Grantee. Grantee and the Company agree that any Escrow Holder will not be liable to any party to any person for any actions or omissions, unless Escrow Holder is grossly negligent relative thereto. Escrow Holder may rely on any letter, notice or other document executed by any signature purported to be genuine and may rely on advice of counsel and obey any order of any court with respect to the transactions by this Agreement. Shares subject to this Award shall be released to Grantee from escrow as they Vest.

7.LEGEND. Grantee agrees that the certificate(s) representing the Shares may bear a legend in substantially the following form:

“The securities represented by this certificate are subject to certain transfer and forfeiture restrictions and may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner. A copy of the agreement and plan setting forth such restrictions may be obtained at the principal office of the issuer. Such transfer and forfeiture restrictions are binding on transferees of these shares.”

8.RESTRICTIONS ON TRANSFER UNDER SECURITIES LAWS. Grantee understands that although the issuance of grants and awards under the Plan has been registered under the Securities Act of 1933, such registration may not apply to any resale or transfer by Grantee of the Shares. Grantee also agrees (i) that the certificates representing the Shares may bear such legend or legends as the Committee deems appropriate in order to assure compliance with applicable securities laws, (ii) that the Company may refuse to register the transfer of the Shares on the stock transfer records of the Company if such proposed transfer would in the opinion of counsel satisfactory to the Company constitute a violation of any applicable securities law, and (iii) that the Company may give related instructions to its transfer agent to stop registration of the transfer of the Shares.

9.COMMITTEE'S POWERS. No provision contained in this Agreement shall in any way terminate, modify or alter, or be construed or interpreted as terminating, modifying or altering any of the powers, rights or authority vested in the Committee pursuant to the terms of the Plan, including, without limitation, the Committee's rights to make certain determinations and elections with respect to the Shares.

10. BINDING EFFECT. This Agreement shall be binding upon and inure to the benefit of

the Company, its subsidiaries and any of their respective successors, and all persons lawfully claiming under Grantee.

11. GOVERNING LAW. This Agreement shall be governed by, and construed in

accordance with, the laws of the State of Missouri.

[The remainder of this page is intentionally blank. The next page is the signature page.]

IN WITNESS WHEREOF, the Company has caused this Agreement to be duly executed by an officer thereunto duly authorized, and Grantee has executed this Agreement, all effective as of the date first above written.

ENTERPRISE FINANCIAL SERVICES CORP

By: ________________________________________

Name: ______________________________________

Title: _______________________________________

___________________________________________

GRANTEE

EXHIBIT A

STOCK POWER AND ASSIGNMENT

FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto Enterprise Financial Services Corp, Inc. (the “Corporation”), ____________ shares of the common stock of the Corporation, standing in the undersigned's name on the books of said corporation, and does hereby irrevocably constitute the Secretary of said corporation as attorney-in-fact, with full power of substitution, to transfer said stock on the books of said corporation.

Dated:

____________________________________

Print Name:

EX-12.1

Exhibit 12.1

Enterprise Financial Services Corp

Statement Regarding Computation of Ratios of Earnings to Fixed Charges and Preferred Stock Dividend Requirement (unaudited)

	Six Months Ended June 30,			Years ended December 31,
($ in thousands)	2012			2011			2010			2009 (2)			2008			2007
Earnings (1):
Income (loss) before income taxes	$	22,528		$	37,372		$	6,396		$	(49,321	)	$	11,738		$	24,044
Add: Fixed charges from below	14,417			33,866			35,242			51,396			60,454			69,242
Earnings including interest expense on deposits (a)	$	36,945		$	71,238		$	41,638		$	2,075		$	72,192		$	93,286
Less: interest expense on deposits	(8,510		)	(21,658		)	(22,867		)	(30,203		)	(39,920		)	(52,864		)
Earnings excluding interest expense on deposits (b)	$	28,435		$	49,580		$	18,771		$	(28,128	)	$	32,272		$	40,422
Fixed charges (1):
Interest on deposits	$	8,510		$	21,658		$	22,867		$	30,203		$	39,920		$	52,864
Interest on borrowings	3,971			8,497			9,544			18,642			20,418			16,378
TARP preferred stock dividends (pre-tax)	1,936			3,711			2,831			2,551			116			—
Fixed charges including interest on deposits (c)	$	14,417		$	33,866		$	35,242		$	51,396		$	60,454		$	69,242
Less: interest expense on deposits	(8,510		)	(21,658		)	(22,867		)	(30,203		)	(39,920		)	(52,864		)
Fixed charges excluding interest expense on deposits (d)	$	5,907		$	12,208		$	12,375		$	21,193		$	20,534		$	16,378
Ratio of earnings to combined fixed charges
Excluding interest on deposits (b/d) (3)	4.81x			4.06x			1.52x			-1.33x			1.57x			2.47x
Including interest on deposits (a/c)	2.56x			2.10x			1.18x			0.04x			1.19x			1.35x
Ratio of earnings to combined fixed charges and preferred dividends:
Excluding interest on deposits (b/d) (3)	6.67x			5.40x			1.67x			-1.65x			1.57x			2.47x
Including interest on deposits (a/c)	2.80x			2.24x			1.20x			-0.01x			1.19x			1.35x

(1) As defined in Item 503(d) of Regulation S-K.

(2) Due to the Company's $46.7 million loss (including $45.4 million of goodwill impairment charges) for the year ended December 31, 2009, the ratio coverage was less than 1:1. The Company would have had to generate additional earnings of $49.3 million to achieve a coverage ratio of 1:1.

(3) The ratio of earnings to fixed charges and preferred dividends, excluding interest on deposits, is being provided as an additional measure to provide comparability to the ratios disclosed by all other issuers of debt securities.

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Peter F. Benoist, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Enterprise Financial Services Corp;

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

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

4. The registrant's other certifying officer 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 Rule 13a-15(f) and 15d-15(f)) for the registrant and have:

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

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

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

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

5. The registrant's other certifying officer 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.

By:	/s/ Peter F. Benoist	Date:	August 8, 2012
Peter F. Benoist
Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Frank H. Sanfilippo, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Enterprise Financial Services Corp;

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

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

4. The registrant's other certifying officer 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 Rule13a-15(f) and 15d-15(f)) for the registrant and have:

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

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

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

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

5. The registrant's other certifying officer 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.

By:	/s/ Frank H. Sanfilippo	Date:	August 8, 2012
Frank H. Sanfilippo
Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Enterprise Financial Services Corp (the “Company”) on Form 10-Q for the period ended June 30, 2012 as filed with the Securities and Exchange Commission (the “Report”), I, Peter F. Benoist, Chief Executive Officer of the Company, certify to the best of my knowledge and belief, pursuant to 18 U.S.C. § 1350, as enacted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Peter F. Benoist

Peter F. Benoist

Chief Executive Officer

August 8, 2012

EX-32.2

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Enterprise Financial Services Corp (the “Company”) on Form 10-Q- for the period ended June 30, 2012 as filed with the Securities and Exchange Commission (the “Report”), I, Frank H. Sanfilippo, Chief Financial Officer of the Company, certify to the best of my knowledge and belief, pursuant to 18 U.S.C. § 1350, as enacted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Frank H. Sanfilippo

Frank H. Sanfilippo

Chief Financial Officer

August 8, 2012

XML

Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Aging of Recorded Investment in Past Due Non-covered Loans by Portfolio Class and Category (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 1,948,994	$ 1,897,074
Non-Covered Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	4,244	10,429
90 or More Days Past Due	14,831	20,446
Total Past Due	19,075	30,875
Current	1,929,919	1,866,199
Total	1,949,270	1,897,412
Total	1,948,994	1,897,074
Non-Covered Loans | Commercial & Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1,091	4,521
90 or More Days Past Due	0	792
Total Past Due	1,091	5,313
Current	840,292	757,889
Total	841,383	763,202
Non-Covered Loans | Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	1,093,867	1,122,751
Non-Covered Loans | Real Estate | Commercial - Owner Occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1,200	1,945
90 or More Days Past Due	1,444	1,522
Total Past Due	2,644	3,467
Current	319,847	330,949
Total	322,491	334,416
Non-Covered Loans | Real Estate | Commercial - Investor Owned
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	133	2,308
90 or More Days Past Due	4,980	4,209
Total Past Due	5,113	6,517
Current	474,379	470,637
Total	479,492	477,154
Non-Covered Loans | Real Estate | Construction and Land Development
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	617	1,356
90 or More Days Past Due	6,618	9,786
Total Past Due	7,235	11,142
Current	135,239	129,005
Total	142,474	140,147
Non-Covered Loans | Real Estate | Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1,203	299
90 or More Days Past Due	1,789	4,137
Total Past Due	2,992	4,436
Current	146,418	166,598
Total	149,410	171,034
Non-Covered Loans | Consumer & Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	0	0
90 or More Days Past Due	0	0
Total Past Due	0	0
Current	13,744	11,121
Total	14,020	11,459
Total	$ 13,744	$ 11,121

XML

Fair Value Measurements - Fair Value, Financial Instruments, Unobservable Input Reconciliation (Details) (Recurring basis, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Securities available for sale, at fair value
Level 3 Financial Instruments Measured at Fair Value
Beginning balance	$ 3,024	$ 2,972	$ 6,763	$ 7,520
Total gains (losses):
Included in other comprehensive income	18	22	15	29
Purchases, sales, issuances and settlements:
Purchases	0	0	0	0
Transfer in and/or out of Level 3	0	0	(3,736)	(4,555)
Ending Balance	3,042	2,994	3,042	2,994
Change in unrealized gains relating to assets still held at the reporting date	18	22	15	29
State tax credits held for sale
Level 3 Financial Instruments Measured at Fair Value
Beginning balance	24,653	30,494	26,350	31,576
Total gains (losses):
Included in earnings	559	667	730	809
Purchases, sales, issuances and settlements:
Sales	(376)	(1,914)	(2,244)	(3,138)
Ending Balance	24,836	29,247	24,836	29,247
Change in unrealized gains relating to assets still held at the reporting date	$ 465	$ 198	$ 182	$ 34

XML

Derivative Financial Instruments (Details) (USD $)	1 Months Ended			3 Months Ended	6 Months Ended					3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended										3 Months Ended		6 Months Ended
	Feb. 28, 2010	Feb. 28, 2009 swap_agreement	Nov. 30, 2008	Jun. 30, 2011	Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Non-designated hedging instruments Risk Management Interest rate cap contracts	Dec. 31, 2011 Non-designated hedging instruments Risk Management Interest rate cap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Jun. 30, 2011 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Jun. 30, 2011 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Miscellaneous income Interest rate swap contracts	Jun. 30, 2011 Non-designated hedging instruments Risk Management Miscellaneous income Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Miscellaneous income Interest rate swap contracts	Jun. 30, 2011 Non-designated hedging instruments Risk Management Miscellaneous income Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Other Assets Interest rate cap contracts	Dec. 31, 2011 Non-designated hedging instruments Risk Management Other Assets Interest rate cap contracts	Jun. 30, 2012 Non-designated hedging instruments Risk Management Other Liabilities Interest rate cap contracts	Dec. 31, 2011 Non-designated hedging instruments Risk Management Other Liabilities Interest rate cap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Interest rate swap contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Foreign exchange forward contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Foreign exchange forward contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Jun. 30, 2011 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Jun. 30, 2011 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Other Assets Interest rate swap contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Other Assets Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Other Assets Foreign exchange forward contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Other Assets Foreign exchange forward contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Other Liabilities Interest rate swap contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Other Liabilities Interest rate swap contracts	Jun. 30, 2012 Non-designated hedging instruments Client-Related Other Liabilities Foreign exchange forward contracts	Dec. 31, 2011 Non-designated hedging instruments Client-Related Other Liabilities Foreign exchange forward contracts
Derivative [Line Items]
Unrealized Gain Derivative Instruments						$ 3,100,000
Derivative, Collateral, Right to Reclaim Cash						3,500,000	2,700,000
Amount Paid to Enter Into a Series of Interest Rate Caps	751,000		2,100,000
Number of Interest Rate Swaps Previously Held But Now Terminated		2
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax				44,000	88,000
Unrealized Gain on Derivatives to Be Reclassified in Future Periods							0
Summary of Derivative Instruments [Abstract]
Notional Amount								49,050,000	80,050,000													132,320,000	65,077,000	1,142,000	0
Asset Derivatives, Fair Value																		28,000	94,000											1,953,000	1,095,000	1,142,000	0
Liability Derivatives, Fair Value																				0	0													2,431,000	1,796,000	1,142,000	0
Amount of Gain or (Loss) Recognized in Operations on Derivative										$ (39,000)	$ (201,000)	$ (65,000)	$ (234,000)	$ 0	$ 44,000	$ 0	$ 88,000									$ (110,000)	$ (141,000)	$ (251,000)	$ (291,000)

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Allowance for Loan Losses for Non-covered Loans by Portfolio Class and Category (Details) (Non-Covered Loans, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2012	Mar. 31, 2012
Allowance for Loan Losses [Roll Forward]
Balance	$ 37,596	$ 37,989
Provision charged to expense	75	1,718
Losses charged off	(1,971)	(2,734)
Recoveries	604	623
Balance	36,304	37,596
Commercial & Industrial
Allowance for Loan Losses [Roll Forward]
Balance	12,385	11,945
Provision charged to expense	(3,201)	929
Losses charged off	(406)	(585)
Recoveries	203	96
Balance	8,981	12,385
Real Estate | Commercial Real Estate Owner Occupied
Allowance for Loan Losses [Roll Forward]
Balance	6,784	6,297
Provision charged to expense	(744)	1,231
Losses charged off	(739)	(746)
Recoveries	5	2
Balance	5,306	6,784
Real Estate | Commercial Real Estate Investor Owned
Allowance for Loan Losses [Roll Forward]
Balance	6,797	6,751
Provision charged to expense	3,518	216
Losses charged off	(108)	(185)
Recoveries	15	15
Balance	10,222	6,797
Real Estate | Construction and Land Development
Allowance for Loan Losses [Roll Forward]
Balance	5,412	5,847
Provision charged to expense	442	269
Losses charged off	(502)	(856)
Recoveries	97	152
Balance	5,449	5,412
Real Estate | Residential Real Estate
Allowance for Loan Losses [Roll Forward]
Balance	3,370	3,931
Provision charged to expense	(189)	(555)
Losses charged off	(216)	(362)
Recoveries	284	356
Balance	3,249	3,370
Consumer & Other
Allowance for Loan Losses [Roll Forward]
Balance	16	14
Provision charged to expense	3	0
Losses charged off	0	0
Recoveries	0	2
Balance	19	16
Qualitative Adjustment
Allowance for Loan Losses [Roll Forward]
Balance	2,832	3,204
Provision charged to expense	246	(372)
Losses charged off	0	0
Recoveries	0	0
Balance	$ 3,078	$ 2,832

XML

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Financial Instruments Measured at Fair Value on a Recurring Basis

The following table summarizes financial instruments measured at fair value on a recurring basis as of June 30, 2012, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value.

	June 30, 2012
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Securities available for sale
Obligations of U.S. Government sponsored enterprises	$	—	$	121,644	$	—	$	121,644
Obligations of states and political subdivisions	—		39,694		3,042		42,736
Residential mortgage-backed securities	—		435,356		—		435,356
Total securities available for sale	$	—	$	596,694	$	3,042	$	599,736
Portfolio loans	—		13,356		—		13,356
State tax credits held for sale	—		—		24,836		24,836
Derivative financial instruments	—		3,123		—		3,123
Total assets	$	—	$	613,173	$	27,878	$	641,051
Liabilities
Derivative financial instruments	$	—	$	3,573	$	—	$	3,573
Total liabilities	$	—	$	3,573	$	—	$	3,573

Fair Value, Financial Instruments, Unobservable Input Reconciliation

	Securities available for sale, at fair value
	Three months ended June 30,				Six months ended June 30,
(in thousands)	2012		2011		2012			2011
Beginning balance	$	3,024	$	2,972	$	6,763		$	7,520
Total gains (losses):
Included in other comprehensive income	18		22		15			29
Purchases, sales, issuances and settlements:
Purchases	—		—		—			—
Transfer in and/or out of Level 3	—		—		(3,736		)	(4,555		)
Ending balance	$	3,042	$	2,994	$	3,042		$	2,994
Change in unrealized gains relating to assets still held at the reporting date	$	18	$	22	$	15		$	29

	State tax credits held for sale
	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Beginning balance	$	24,653		$	30,494		$	26,350		$	31,576
Total gains:
Included in earnings	559			667			730			809
Purchases, sales, issuances and settlements:
Sales	(376		)	(1,914		)	(2,244		)	(3,138		)
Ending balance	$	24,836		$	29,247		$	24,836		$	29,247
Change in unrealized gains relating to assets still held at the reporting date	$	465		$	198		$	182		$	34

Fair Value Measurements, Nonrecurring

The following table presents financial instruments and non-financial assets measured at fair value on a non-recurring basis as of June 30, 2012.

	(1)		(1)		(1)		(1)
(in thousands)	Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total (losses) gains for the three months ended June 30, 2012			Total (losses) gains for the six months ended June 30, 2012
Impaired loans	$	14,278	$	—	$	—	$	14,278	$	(1,971	)	$	(4,705	)
Other real estate	14,291		—		—		14,291		(778		)	(1,814		)
Total	$	28,569	$	—	$	—	$	28,569	$	(2,749	)	$	(6,519	)

(1) The amounts represent only balances measured at fair value during the period and still held as of the reporting date.

Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets

Following is a summary of the carrying amounts and fair values of the Company’s financial instruments on the consolidated balance sheets at June 30, 2012, and December 31, 2011.

	June 30, 2012				December 31, 2011
(in thousands)	Carrying Amount		Estimated fair value		Carrying Amount		Estimated fair value
Balance sheet assets
Cash and due from banks	$	29,832	$	29,832	$	20,791	$	20,791
Federal funds sold	58		58		143		143
Interest-bearing deposits	47,589		47,589		168,711		168,711
Securities available for sale	599,736		599,736		593,182		593,182
Other investments, at cost	14,501		14,501		14,527		14,527
Loans held for sale	4,928		4,928		6,494		6,494
Derivative financial instruments	3,123		3,123		1,189		1,189
Portfolio loans, net	2,153,289		2,162,792		2,158,060		2,163,723
State tax credits, held for sale	65,648		65,648		50,446		50,446
Accrued interest receivable	9,665		9,665		9,193		9,193
Balance sheet liabilities
Deposits	2,604,273		2,615,852		2,791,353		2,804,044
Subordinated debentures	85,081		42,110		85,081		42,252
Federal Home Loan Bank advances	90,500		88,955		102,000		110,575
Other borrowings	132,479		132,488		154,545		154,561
Derivative financial instruments	3,573		3,573		1,796		1,796
Accrued interest payable	1,459		1,459		1,762		1,762

Estimate of the Fair Value of Financial Instruments Not Recorded at Fair Value on Balance Sheet

The following table presents the level in the fair value hierarchy for the estimated fair values of only the Company’s financial instruments that are not already on the condensed consolidated balance sheets at fair value at June 30, 2012, and December 31, 2011.

	Estimated Fair Value Measurement at Reporting Date Using						Balance at June 30, 2012
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,162,792	$	2,162,792
Financial Liabilities:
Deposits	1,926,899		—		688,953		2,615,852
Subordinated debentures	—		—		42,110		42,110
Federal Home Loan Bank advances	—		—		88,955		88,955
Other borrowings	—		—		132,488		132,488
	Estimated Fair Value Measurement at Reporting Date Using						Balance at December 31, 2011
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,163,723	$	2,163,723
Financial Liabilities:
Deposits	1,974,432		—		829,612		2,804,044
Subordinated debentures	—		—		42,252		42,252
Federal Home Loan Bank advances	—		—		110,575		110,575
Other borrowings	—		—		154,561		154,561

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Fair Value Measurements - Summary of the Carrying Amounts and Fair Values of the Company’s Financial Instruments on the Consolidated Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Balance sheet assets
Securities available for sale	$ 599,736	$ 593,182
State tax credits held for sale	24,836	26,350
Carrying Amount
Balance sheet assets
Cash and due from banks	29,832	20,791
Federal funds sold	58	143
Interest-bearing deposits	47,589	168,711
Securities available for sale	599,736	593,182
Other Investments, at cost	14,501	14,527
Loans held for sale	4,928	6,494
Derivative financial instruments	3,123	1,189
Portfolio loans, net	2,153,289	2,158,060
State tax credits held for sale	65,648	50,446
Accrued interest receivable	9,665	9,193
Balance sheet liabilities
Deposits	2,604,273	2,791,353
Subordinated debentures	85,081	85,081
Federal Home Loan Bank advances	90,500	102,000
Other borrowings	132,479	154,545
Derivative financial instruments	3,573	1,796
Accrued interest payable	1,459	1,762
Estimated fair value
Balance sheet assets
Cash and due from banks	29,832	20,791
Federal funds sold	58	143
Interest-bearing deposits	47,589	168,711
Securities available for sale	599,736	593,182
Other Investments, at cost	14,501	14,527
Loans held for sale	4,928	6,494
Derivative financial instruments	3,123	1,189
Portfolio loans, net	2,162,792	2,163,723
State tax credits held for sale	65,648	50,446
Accrued interest receivable	9,665	9,193
Balance sheet liabilities
Deposits	2,615,852	2,804,044
Subordinated debentures	42,110	42,252
Federal Home Loan Bank advances	88,955	110,575
Other borrowings	132,488	154,561
Derivative financial instruments	3,573	1,796
Accrued interest payable	$ 1,459	$ 1,762

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Portfolio Loans Covered by Loss Share (Covered loans) - Allowance for Credit Losses on Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified			3 Months Ended		6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Covered Loans	Jun. 30, 2011 Covered Loans	Jun. 30, 2012 Covered Loans	Jun. 30, 2011 Covered Loans
Summary of Activity in the Allowance for Loan Losses for Covered Loans [Roll Forward]
Balance at beginning of period	$ 1,889	$ 1,635	$ 3,010	$ 0	$ 1,635	$ 0
Provision charged to expense			206	275	2,491	275
Loans charged off			(1,152)	(275)	(2,062)	(275)
Recoveries			6	0	6	0
Other			(181)	0	(181)	0
Balance at beginning of period	$ 1,889	$ 1,635	$ 1,889	$ 0	$ 1,889	$ 0

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment by Category of Non-covered Loans Restructured (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012 loan	Jun. 30, 2012 loan
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Reserve	$ 2,300,000	$ 2,300,000
Non-Covered Loans
Financing Receivable, Modifications [Line Items]
Number of Loans	0	5
Pre-Modification Outstanding Recorded Balance	0	11,061,000
Post-Modification Outstanding Recorded Balance	0	10,412,000
Non-Covered Loans | Commercial & Industrial
Financing Receivable, Modifications [Line Items]
Number of Loans	0	1
Pre-Modification Outstanding Recorded Balance	0	659,000
Post-Modification Outstanding Recorded Balance	0	659,000
Non-Covered Loans | Real Estate | Commercial - Owner Occupied
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0
Pre-Modification Outstanding Recorded Balance	0	0
Post-Modification Outstanding Recorded Balance	0	0
Non-Covered Loans | Real Estate | Commercial - Investor Owned
Financing Receivable, Modifications [Line Items]
Number of Loans	0	1
Pre-Modification Outstanding Recorded Balance	0	4,365,000
Post-Modification Outstanding Recorded Balance	0	4,794,000
Non-Covered Loans | Real Estate | Construction and Land Development
Financing Receivable, Modifications [Line Items]
Number of Loans	0	2
Pre-Modification Outstanding Recorded Balance	0	4,341,000
Post-Modification Outstanding Recorded Balance	0	3,263,000
Non-Covered Loans | Real Estate | Residential
Financing Receivable, Modifications [Line Items]
Number of Loans	0	1
Pre-Modification Outstanding Recorded Balance	0	1,696,000
Post-Modification Outstanding Recorded Balance	0	1,696,000
Non-Covered Loans | Consumer & Other
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0
Pre-Modification Outstanding Recorded Balance	0	0
Post-Modification Outstanding Recorded Balance	0	0
Restructured Loan
Financing Receivable, Modifications [Line Items]
Unadvanced commitments on impaired loans	741,000	741,000
Estimated losses attributable to unadvanced commitments on impaired loans	$ 141,000	$ 141,000

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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 segment	Jun. 30, 2011	Dec. 31, 2011
Segment Reporting [Abstract]
Number of Primary Operating Segments			2
Number of Reportable Segments			3
Segment Reporting Information [Line Items]
Portfolio loans	$ 2,191,482		$ 2,191,482		$ 2,197,684
Goodwill	30,334		30,334		30,334
Intangibles, net	8,310		8,310		9,285
Deposits	2,604,273		2,604,273		2,791,353
Borrowings	308,060		308,060		341,626
Total assets	3,183,134		3,183,134		3,377,779
Income Statement Information
Net interest income (expense)	34,133	31,004	64,762	53,712
Provision for loan losses	281	4,575	4,284	8,175
Noninterest Income	845	4,218	4,828	9,181
Noninterest Expense	21,414	18,024	42,778	35,989
Income before income tax expense	13,283	12,623	22,528	18,729
Banking
Segment Reporting Information [Line Items]
Portfolio loans	2,191,482		2,191,482		2,197,684
Goodwill	30,334		30,334		30,334
Intangibles, net	8,310		8,310		9,285
Deposits	2,588,377		2,588,377		2,773,482
Borrowings	164,895		164,895		213,480
Total assets	3,063,807		3,063,807		3,278,328
Income Statement Information
Net interest income (expense)	35,208	32,351	67,018	56,407
Provision for loan losses	281	4,575	4,284	8,175
Noninterest Income	(1,738)	1,539	153	4,616
Noninterest Expense	18,304	15,285	36,362	30,265
Income before income tax expense	14,885	14,030	26,525	22,583
Wealth Management
Segment Reporting Information [Line Items]
Portfolio loans	0		0		0
Goodwill	0		0		0
Intangibles, net	0		0		0
Deposits	32,897		32,897		39,440
Borrowings	60,584		60,584		45,565
Total assets	98,668		98,668		90,068
Income Statement Information
Net interest income (expense)	(186)	(316)	(314)	(638)
Provision for loan losses	0	0	0	0
Noninterest Income	2,577	2,644	4,630	4,482
Noninterest Expense	1,919	1,972	3,792	3,818
Income before income tax expense	472	356	524	26
Corporate and Intercompany
Segment Reporting Information [Line Items]
Portfolio loans	0		0		0
Goodwill	0		0		0
Intangibles, net	0		0		0
Deposits	(17,001)		(17,001)		(21,569)
Borrowings	82,581		82,581		82,581
Total assets	20,659		20,659		9,383
Income Statement Information
Net interest income (expense)	(889)	(1,031)	(1,942)	(2,057)
Provision for loan losses	0	0	0	0
Noninterest Income	6	35	45	83
Noninterest Expense	1,191	767	2,624	1,906
Income before income tax expense	$ (2,074)	$ (1,763)	$ (4,521)	$ (3,880)

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Fair Value Measurements - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011
Assets
Securities available for sale	$ 599,736		$ 599,736	$ 593,182
State tax credits held for sale	24,836		24,836	26,350
Liabilities
State tax credits, held for sale	65,648		65,648	50,446
Increase in state tax credits carried at fair value	465	198
Tax credit stream, term			10 years
Years of tax credits generated			10 years
Obligations of U.S. Government sponsored enterprises
Assets
Securities available for sale	121,644		121,644	126,917
Obligations of states and political subdivisions
Assets
Securities available for sale	42,736		42,736	39,837
Residential mortgage-backed securities
Assets
Securities available for sale	435,356		435,356	426,428
Significant Unobservable Inputs (Level 3) | Auction Rate Securities
Liabilities
Number of securities	3		3
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0		0
Portfolio loans	0		0
State tax credits held for sale	0		0
Derivative financial instruments	0		0
Total assets	0		0
Liabilities
Derivative financial instruments	0		0
Total liabilities	0		0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of U.S. Government sponsored enterprises
Assets
Securities available for sale	0		0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of states and political subdivisions
Assets
Securities available for sale	0		0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential mortgage-backed securities
Assets
Securities available for sale	0		0
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	596,694		596,694
Portfolio loans	13,356		13,356
State tax credits held for sale	0		0
Derivative financial instruments	3,123		3,123
Total assets	613,173		613,173
Liabilities
Derivative financial instruments	3,573		3,573
Total liabilities	3,573		3,573
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. Government sponsored enterprises
Assets
Securities available for sale	121,644		121,644
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
Assets
Securities available for sale	39,694		39,694
Recurring basis | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities
Assets
Securities available for sale	435,356		435,356
Recurring basis | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	3,042		3,042
Portfolio loans	0		0
State tax credits held for sale	24,836		24,836
Derivative financial instruments	0		0
Total assets	27,878		27,878
Liabilities
Derivative financial instruments	0		0
Total liabilities	0		0
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of U.S. Government sponsored enterprises
Assets
Securities available for sale	0		0
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of states and political subdivisions
Assets
Securities available for sale	3,042		3,042
Recurring basis | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities
Assets
Securities available for sale	0		0
Recurring basis | Total Fair Value
Assets
Securities available for sale	599,736		599,736
Portfolio loans	13,356		13,356
State tax credits held for sale	24,836		24,836
Derivative financial instruments	3,123		3,123
Total assets	641,051		641,051
Liabilities
Derivative financial instruments	3,573		3,573
Total liabilities	3,573		3,573
Recurring basis | Total Fair Value | Obligations of U.S. Government sponsored enterprises
Assets
Securities available for sale	121,644		121,644
Recurring basis | Total Fair Value | Obligations of states and political subdivisions
Assets
Securities available for sale	42,736		42,736
Recurring basis | Total Fair Value | Residential mortgage-backed securities
Assets
Securities available for sale	435,356		435,356
Portion at Fair Value, Fair Value Disclosure | Recurring basis | Total Fair Value
Assets
State tax credits held for sale	24,836		24,836
Portion at Other than Fair Value, Fair Value Disclosure
Assets
State tax credits held for sale	$ 40,800		$ 40,800
LIBOR Swap Curve
Liabilities
Discount rate, remaining life in years of credits plus			2.05%

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2012

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The significant accounting policies used by Enterprise Financial Services Corp (the “Company” or “Enterprise”) in the preparation of the condensed consolidated financial statements are summarized below:

Business and Consolidation

Enterprise is a financial holding company that provides a full range of banking and wealth management services to individuals and corporate customers located in the St. Louis, Kansas City and Phoenix metropolitan markets through its banking subsidiary, Enterprise Bank & Trust (the “Bank”).

Operating results for the three and six months ended June 30, 2012 are not necessarily indicative of the results that may be expected for any other interim period or for the year ending December 31, 2012. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

Basis of Financial Statement Presentation

The condensed consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. They do not include all information and footnotes required by U.S. GAAP for annual financial statements. The condensed consolidated financial statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain 2011 amounts in the consolidated financial statements have been reclassified to conform to the 2012 presentation. These reclassifications have no effect on Net income or Shareholders' equity as previously reported.

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Portfolio Loans Covered by Loss Share (Covered loans) - Summary of Aging of the Recorded Investment in Past Due Covered Loans by Portfolio Class and Category (Details) (Covered Loans, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	$ 4,659	$ 9,559
90 or More Days Past Due	39,865	58,665
Total Past Due	44,524	68,224
Current	197,964	232,386
Total	242,488	300,610
Commercial & Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	785	879
90 or More Days Past Due	6,967	9,867
Total Past Due	7,752	10,746
Current	20,882	25,677
Total	28,634	36,423
Real Estate | Commercial - Owner Occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	304	1,438
90 or More Days Past Due	7,955	9,684
Total Past Due	8,259	11,122
Current	42,837	51,979
Total	51,096	63,101
Real Estate | Commercial - Investor Owned
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1,071	2,530
90 or More Days Past Due	2,254	7,021
Total Past Due	3,325	9,551
Current	66,007	65,542
Total	69,332	75,093
Real Estate | Construction and Land Development
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	727	2,842
90 or More Days Past Due	19,704	28,745
Total Past Due	20,431	31,587
Current	19,592	34,403
Total	40,023	65,990
Real Estate | Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1,771	1,634
90 or More Days Past Due	2,982	3,341
Total Past Due	4,753	4,975
Current	46,873	51,853
Total	51,626	56,828
Consumer & Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-89 Days Past Due	1	236
90 or More Days Past Due	3	7
Total Past Due	4	243
Current	1,773	2,932
Total	$ 1,777	$ 3,175

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Investments - Investments Classified by Contractual Maturity Date (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Amortized Cost
Due in one year or less	$ 2,257
Due after one year through five years	113,163
Due after five years through ten years	40,811
Due after ten years	4,306
Mortgage-backed securities	429,351
Total	589,888	587,555
Estimated Fair Value
Due in one year or less	2,284
Due after one year through five years	115,615
Due after five years through ten years	42,347
Due after ten years	4,134
Mortgage-backed securities	435,356
Total	$ 599,736	$ 593,182

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Investments - Schedule of Available-for-sale Securities Reconciliation (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Available for sale securities:
Amortized Cost	$ 589,888,000	$ 587,555,000
Gross Unrealized Gains	10,458,000	7,676,000
Gross Unrealized Losses	(610,000)	(2,049,000)
Fair Value	599,736,000	593,182,000
Percentage of shareholders' equity held by one issuer, maximum		10.00%
Available-for-sale securities pledged as collateral, fair value	242,500,000	287,800,000
Mortgage-backed securities, weighted average life	3 years
Obligations of U.S. Government sponsored enterprises
Available for sale securities:
Amortized Cost	119,467,000	126,305,000
Gross Unrealized Gains	2,177,000	678,000
Gross Unrealized Losses	0	(66,000)
Fair Value	121,644,000	126,917,000
Obligations of states and political subdivisions
Available for sale securities:
Amortized Cost	41,070,000	38,489,000
Gross Unrealized Gains	2,056,000	1,729,000
Gross Unrealized Losses	(390,000)	(381,000)
Fair Value	42,736,000	39,837,000
Residential mortgage-backed securities
Available for sale securities:
Amortized Cost	429,351,000	422,761,000
Gross Unrealized Gains	6,225,000	5,269,000
Gross Unrealized Losses	(220,000)	(1,602,000)
Fair Value	$ 435,356,000	$ 426,428,000

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Portfolio Loans Covered by Loss Share (Covered loans) - Summary of Changes in Accretable Yield for Purchased Loans (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Summary of Changes in Accretable Yield for Purchased Loans [Roll Forward]
Balance at beginning of period		$ 63,335,000	$ 46,460,000
Additions		0	10,875,000
Accretion		(18,796,000)	(11,433,000)
Reclassifications from nonaccretable difference		73,381,000	0
Other		(2,746,000)	0
Balance at end of period	115,174,000	115,174,000	45,902,000
Loans Purchased From FDIC, Outstanding Balance	376,200,000	376,200,000		496,200,000
Net cash proceeds received from FDIC loss share receivable	$ 58,400,000	$ 70,014,000	$ 22,673,000

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Investments - Schedule of Unrealized Loss on Investments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Vaule	$ 63,759	$ 111,846
Less than 12 months, Unrealized Losses	253	1,672
12 months or more, Fair Value	3,043	7,230
12 months or more, Unrealized Losses	357	377
Total, Fair Value	66,802	119,076
Total, Unrealized Losses	610	2,049
Obligations of U.S. government sponsored enterprises
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Vaule		23,389
Less than 12 months, Unrealized Losses		66
12 months or more, Fair Value		0
12 months or more, Unrealized Losses		0
Total, Fair Value		23,389
Total, Unrealized Losses		66
Obligations of the state and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Vaule	3,298	1,503
Less than 12 months, Unrealized Losses	33	8
12 months or more, Fair Value	3,043	3,027
12 months or more, Unrealized Losses	357	373
Total, Fair Value	6,341	4,530
Total, Unrealized Losses	390	381
Residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Vaule	60,461	86,954
Less than 12 months, Unrealized Losses	220	1,598
12 months or more, Fair Value	0	4,203
12 months or more, Unrealized Losses	0	4
Total, Fair Value	60,461	91,157
Total, Unrealized Losses	$ 220	$ 1,602

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Investments - Schedule of Realized Gain (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Investments [Abstract]
Gross gains realized	$ 324	$ 506	$ 1,399	$ 680
Gross losses realized	(190)	0	(243)	0
Proceeds from sales	$ 46,400	$ 30,123	$ 110,876	$ 35,423

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Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 14,951	$ 12,385
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,278	1,387
Provision for loan losses	4,284	8,175
Deferred income taxes	(1,622)	4,683
Net amortization of debt securities	3,999	2,490
Amortization of intangible assets	975	265
Gain on sale of investment securities	(1,156)	(680)
Mortgage loans originated for sale	(47,839)	(29,554)
Proceeds from mortgage loans sold	49,158	33,374
Gain on sale of other real estate	(2,413)	(522)
Gain on state tax credits, net	(924)	(1,142)
Excess tax benefit of share-based compensation	0	(14)
Share-based compensation	1,124	748
Valuation adjustment on other real estate	1,814	2,643
Net accretion of loan discount and indemnification asset	(5,011)	(9,465)
Changes in:
Accrued interest receivable	(472)	36
Accrued interest payable	(303)	(50)
Prepaid FDIC insurance	1,252	1,744
Other assets	(2,710)	(531)
Other liabilities	9,981	(3,012)
Net cash provided by operating activities	26,366	22,960
Cash flows from investing activities:
Cash received from acquisition of Legacy Bank	0	8,926
Net decrease (increase) in loans	3,340	(48,536)
Net cash proceeds received from FDIC loss share receivable	70,014	22,673
Proceeds from the sale of debt and equity securities, available for sale	110,876	35,423
Proceeds from the maturity of debt and equity securities, available for sale	63,233	62,840
Proceeds from the redemption of other investments	4,498	422
Proceeds from the sale of state tax credits held for sale	4,134	4,057
Proceeds from the sale of other real estate	34,327	12,897
Payments for the purchase/origination of:
Available for sale debt and equity securities	(179,285)	(194,254)
Other investments	(4,481)	(895)
State tax credits held for sale	(18,347)	0
Fixed assets	(3,904)	(309)
Net cash provided by (used in) investing activities	84,405	(96,756)
Cash flows from financing activities:
Net increase in noninterest-bearing deposit accounts	38,477	77,751
Net decrease in interest-bearing deposit accounts	(225,558)	(77,815)
Proceeds from Federal Home Loan Bank advances	91,500	0
Repayments of Federal Home Loan Bank advances	(103,000)	(21,556)
Net decrease in other borrowings	(22,066)	(31,559)
Cash dividends paid on common stock	(1,871)	(1,712)
Excess tax benefit of share-based compensation	0	14
Cash dividends paid on preferred stock	(875)	(876)
Issuance of common stock	0	32,620
Proceeds from the issuance of equity instruments	456	1,313
Net cash used in financing activities	(222,937)	(21,820)
Net decrease in cash and cash equivalents	(112,166)	(95,616)
Cash and cash equivalents, beginning of period	188,143	293,668
Cash and cash equivalents, end of period	75,977	198,052
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	12,179	15,392
Cash paid during the period for income taxes	10,378	9,337
Noncash transactions:
Transfer to other real estate owned in settlement of loans	13,481	14,686
Sales of other real estate financed	$ 2,673	$ 1,562

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Non-covered Loans by Category (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 1,948,994	$ 1,897,074
Non-Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	1,949,270	1,897,412
Unearned loan costs, net	(276)	(338)
Total	1,948,994	1,897,074
Non-Covered Loans | Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	1,093,867	1,122,751
Non-Covered Loans | Real Estate Loans | Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	142,474	140,147
Non-Covered Loans | Real Estate Loans | Commercial Real Estate Investor Owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	479,492	477,154
Non-Covered Loans | Real Estate Loans | Commercial Real Estate Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	322,491	334,416
Non-Covered Loans | Real Estate Loans | Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	149,410	171,034
Non-Covered Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	841,383	763,202
Non-Covered Loans | Consumer & other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio Loans	14,020	11,459
Total	$ 13,744	$ 11,121

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment by Risk Category of Non-covered Loans by Portfolio Class and Category (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Credit Quality, Time Period Expected to Return to Perform	12 months
Total	$ 1,948,994	$ 1,897,074
Non-Covered Loans
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	1,949,270	1,897,412
Total	1,948,994	1,897,074
Non-Covered Loans | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Total	1,675,068	1,616,434
Non-Covered Loans | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Total	159,301	178,653
Non-Covered Loans | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Total	113,592	96,228
Non-Covered Loans | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Total	1,033	5,759
Non-Covered Loans | Commercial & Industrial
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	841,383	763,202
Non-Covered Loans | Commercial & Industrial | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	768,797	683,239
Non-Covered Loans | Commercial & Industrial | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	52,630	50,197
Non-Covered Loans | Commercial & Industrial | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	19,956	27,229
Non-Covered Loans | Commercial & Industrial | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	0	2,537
Non-Covered Loans | Real Estate
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	1,093,867	1,122,751
Non-Covered Loans | Real Estate | Commercial - Owner Occupied
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	322,491	334,416
Non-Covered Loans | Real Estate | Commercial - Owner Occupied | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	273,950	276,802
Non-Covered Loans | Real Estate | Commercial - Owner Occupied | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	33,381	40,207
Non-Covered Loans | Real Estate | Commercial - Owner Occupied | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	14,816	16,225
Non-Covered Loans | Real Estate | Commercial - Owner Occupied | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	344	1,182
Non-Covered Loans | Real Estate | Commercial - Investor Owned
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	479,492	477,154
Non-Covered Loans | Real Estate | Commercial - Investor Owned | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	393,624	405,686
Non-Covered Loans | Real Estate | Commercial - Investor Owned | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	50,330	56,370
Non-Covered Loans | Real Estate | Commercial - Investor Owned | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	35,538	14,894
Non-Covered Loans | Real Estate | Commercial - Investor Owned | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	0	204
Non-Covered Loans | Real Estate | Construction and Land Development
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	142,474	140,147
Non-Covered Loans | Real Estate | Construction and Land Development | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	97,463	91,286
Non-Covered Loans | Real Estate | Construction and Land Development | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	17,830	27,056
Non-Covered Loans | Real Estate | Construction and Land Development | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	26,492	21,461
Non-Covered Loans | Real Estate | Construction and Land Development | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	689	344
Non-Covered Loans | Real Estate | Residential
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	149,410	171,034
Non-Covered Loans | Real Estate | Residential | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	127,496	148,309
Non-Covered Loans | Real Estate | Residential | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	5,124	4,814
Non-Covered Loans | Real Estate | Residential | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	16,790	16,419
Non-Covered Loans | Real Estate | Residential | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	0	1,492
Non-Covered Loans | Consumer & Other
Financing Receivable, Recorded Investment [Line Items]
Portfolio Loans	14,020	11,459
Total	13,744	11,121
Non-Covered Loans | Consumer & Other | Pass (1-6)
Financing Receivable, Recorded Investment [Line Items]
Total	13,738	11,112
Non-Covered Loans | Consumer & Other | Watch (7)
Financing Receivable, Recorded Investment [Line Items]
Total	6	9
Non-Covered Loans | Consumer & Other | Substandard (8)
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Non-Covered Loans | Consumer & Other | Doubtful (9)
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0

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Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 29,832	$ 20,791
Federal funds sold	58	143
Interest-bearing deposits (including $3,520 and $2,650 pledged as collateral)	46,087	167,209
Total cash and cash equivalents	75,977	188,143
Interest-bearing deposits greater than 90 days	1,502	1,502
Securities available for sale	599,736	593,182
Mortgage loans held for sale	4,928	6,494
Portfolio loans not covered under FDIC loss share	1,948,994	1,897,074
Less: Allowance for loan losses	36,304	37,989
Portfolio loans not covered under FDIC loss share, net	1,912,690	1,859,085
Portfolio loans covered under FDIC loss share, net of the allowance for loan losses ($1,889 and $1,635, respectively)	240,599	298,975
Portfolio loans, net	2,153,289	2,158,060
Other real estate not covered under FDIC loss share	17,443	17,217
Other real estate covered under FDIC loss share	19,832	36,471
Other investments, at cost	14,501	14,527
Fixed assets, net	21,739	18,986
Accrued interest receivable	9,665	9,193
State tax credits, held for sale, including $24,836 and $26,350 carried at fair value, respectively	65,648	50,446
FDIC loss share receivable	88,436	184,554
Goodwill	30,334	30,334
Intangibles, net	8,310	9,285
Other assets	71,794	59,385
Total assets	3,183,134	3,377,779
Liabilities and Shareholders' Equity
Demand deposits	623,956	585,479
Interest-bearing transaction accounts	275,288	253,504
Money market accounts	957,428	1,084,304
Savings	70,227	51,145
Certificates of deposit:
$100 and over	468,766	550,535
Other	208,608	266,386
Total deposits	2,604,273	2,791,353
Subordinated debentures	85,081	85,081
Federal Home Loan Bank advances	90,500	102,000
Other borrowings	132,479	154,545
Accrued interest payable	1,459	1,762
Other liabilities	13,454	3,473
Total liabilities	2,927,246	3,138,214
Shareholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; 35,000 shares issued and outstanding	33,703	33,293
Common stock, $0.01 par value; 30,000,000 shares authorized; 17,933,051 and 17,849,862 shares issued, respectively	179	178
Treasury stock, at cost; 76,000 shares	(1,743)	(1,743)
Additional paid in capital	170,717	169,138
Retained earnings	46,892	35,097
Accumulated other comprehensive income	6,140	3,602
Total shareholders' equity	255,888	239,565
Total liabilities and shareholders' equity	$ 3,183,134	$ 3,377,779

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Commitments and Contingencies (Details) (USD $)		6 Months Ended			6 Months Ended
	Jun. 30, 2012 charge_count	Jun. 30, 2012 Maximum	Jun. 30, 2012 Minimum	Jun. 30, 2012 Distinctive Notes lawsuit	Jun. 30, 2012 Roseman v. Martin Sigillito Minimum	Jun. 30, 2012 BJD, LLC and Barbara Dunning v. Enterprise Financial	Jun. 30, 2012 Commitments to extend credit	Dec. 31, 2011 Commitments to extend credit	Jun. 30, 2012 Standby letters of credit	Dec. 31, 2011 Standby letters of credit	Jun. 30, 2012 Unadvanced Commitment on Impaired Loan	Jun. 30, 2012 Fixed Rate Loan Commitment Commitments to extend credit	Dec. 31, 2011 Fixed Rate Loan Commitment Commitments to extend credit	Jun. 30, 2012 Credit Lines With Usage Restrictions [Member] Commitments to extend credit
Schedule of Commitments [Line Items]
Loans and Leases Receivable, Impaired Loans, Commitment to Lend											$ 1,100,000
Estimated losses attributable to unadvanced commitments on impaired loans											212,000
Off-balance sheet financial instruments, contractual amounts							674,622,000	547,657,000	47,538,000	43,973,000		95,700,000	75,700,000	74,000,000
Remaining term of letters of credit		5 years	6 months
Number of lawsuits, bank as defendant				2
Loss contingency, damages sought, value					$ 25,000,000	$ 800,000
Interest rate on damages sought						9.00%
Number of counts found guilty	20

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Condensed Consolidated Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2010	$ 179,801	$ 32,519	$ 150	$ (1,743)	$ 133,673	$ 15,775	$ (573)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,385	0	0	0	0	12,385	0
Change in fair value of available for sale securities, net of tax	5,058	0	0	0	0	0	5,058
Reclassification adjustment for realized gain on sale of securities included in net income, net of tax	(435)	0	0	0	0	0	(435)
Reclassification of cash flow hedge, net of tax	(56)	0	0	0	0	0	(56)
Total comprehensive income	16,952
Cash dividends paid on common shares, $0.105 per share	(1,712)	0	0	0	0	(1,712)	0
Cash dividends paid on preferred stock	(875)	0	0	0	0	(875)	0
Preferred stock accretion of discount	0	381	0	0	0	(381)	0
Issuance under equity compensation plans, net	1,313	0	1	0	1,312	0	0
Issuance under public stock offering 2,743,900 shares	32,620	0	27	0	32,593	0	0
Share-based compensation	748	0	0	0	748	0	0
Excess tax expense related to equity compensation plans	14	0	0	0	14	0	0
Balance at Jun. 30, 2011	228,861	32,900	178	(1,743)	168,340	25,192	3,994
Balance at Dec. 31, 2011	239,565	33,293	178	(1,743)	169,138	35,097	3,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	14,951	0	0	0	0	14,951	0
Change in fair value of available for sale securities, net of tax	3,278	0	0	0	0	0	3,278
Reclassification adjustment for realized gain on sale of securities included in net income, net of tax	(740)	0	0	0	0	0	(740)
Reclassification of cash flow hedge, net of tax	0
Total comprehensive income	17,489
Cash dividends paid on common shares, $0.105 per share	(1,871)	0	0	0	0	(1,871)	0
Cash dividends paid on preferred stock	(875)	0	0	0	0	(875)	0
Preferred stock accretion of discount	0	410	0	0	0	(410)	0
Issuance under equity compensation plans, net	456	0	1	0	455	0	0
Share-based compensation	1,124	0	0	0	1,124	0	0
Balance at Jun. 30, 2012	$ 255,888	$ 33,703	$ 179	$ (1,743)	$ 170,717	$ 46,892	$ 6,140

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Non-covered Loans Individually Evaluated for Impairment by Category (Details) (Non-Covered Loans, USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	$ 52,465	$ 54,442
Recorded Investment With No Allowance	13,190	4,881
Recorded Investment With Allowance	27,365	36,741
Total Recorded Investment	40,555	41,622
Related Allowance	8,551	10,729
Average Recorded Investment	43,441	45,546
Commercial & Industrial
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	4,786	7,517
Recorded Investment With No Allowance	601	128
Recorded Investment With Allowance	4,066	5,506
Total Recorded Investment	4,667	5,634
Related Allowance	2,098	3,214
Average Recorded Investment	7,784	6,571
Real Estate | Commercial - Owner Occupied
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	11,743	5,099
Recorded Investment With No Allowance	3,180	0
Recorded Investment With Allowance	6,950	4,572
Total Recorded Investment	10,130	4,572
Related Allowance	2,257	1,377
Average Recorded Investment	8,669	2,711
Real Estate | Commercial - Investor Owned
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	13,866	15,676
Recorded Investment With No Allowance	1,759	914
Recorded Investment With Allowance	8,178	10,213
Total Recorded Investment	9,937	11,127
Related Allowance	2,244	2,315
Average Recorded Investment	9,710	10,562
Real Estate | Construction and Land Development
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	17,216	19,685
Recorded Investment With No Allowance	5,946	1,628
Recorded Investment With Allowance	5,332	13,139
Total Recorded Investment	11,278	14,767
Related Allowance	1,408	2,927
Average Recorded Investment	12,266	16,114
Real Estate | Residential
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	4,854	6,465
Recorded Investment With No Allowance	1,704	2,211
Recorded Investment With Allowance	2,839	3,311
Total Recorded Investment	4,543	5,522
Related Allowance	544	896
Average Recorded Investment	5,012	9,588
Consumer & Other
Financing Receivable, Impaired [Line Items]
Unpaid Contractual Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	$ 0	$ 0

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Portfolio Loans Covered by Loss Share (Covered loans) (Tables)

6 Months Ended

Jun. 30, 2012

Covered Loans [Line Items]

Summary of Covered Loans by Category

Below is a summary of Covered loans by category at June 30, 2012, and December 31, 2011:

	June 30, 2012			December 31, 2011
(in thousands)	Weighted- Average Risk Rating	Recorded Investment Covered Loans		Weighted- Average Risk Rating	Recorded Investment Covered Loans
Real Estate Loans:
Construction and Land Development	7.14	$	40,023	7.22	$	65,990
Commercial real estate - Investor Owned	5.99	69,332		6.12	75,093
Commercial real estate - Owner Occupied	6.42	51,096		6.03	63,101
Residential real estate	5.45	51,626		4.81	56,828
Total real estate loans		$	212,077		$	261,012
Commercial and industrial	6.92	28,634		6.61	36,423
Consumer & other	4.25	1,777		4.14	3,175
Portfolio Loans		$	242,488		$	300,610

Covered Loans

Covered Loans [Line Items]

Allowance for Credit Losses on Financing Receivables

Below is a summary of the activity in the allowance for loan losses for Covered loans at June 30, 2012, and

June 30, 2011:

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Balance at beginning of period	$	3,010		$	—		$	1,635		$	—
Provision charged to expense	206			275			2,491			275
Loans charged off	(1,152		)	(275		)	(2,062		)	(275		)
Recoveries	6			—			6			—
Other	(181		)	—			(181		)	—
Balance at end of period	$	1,889		$	—		$	1,889		$	—

Summary of Aging of the Recorded Investment in Past Due Covered Loans by Portfolio Class and Category

The aging of the recorded investment in past due Covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	785	$	6,967	$	7,752	$	20,882	$	28,634
Real Estate:
Commercial - Owner Occupied	304		7,955		8,259		42,837		51,096
Commercial - Investor Owned	1,071		2,254		3,325		66,007		69,332
Construction and Land Development	727		19,704		20,431		19,592		40,023
Residential	1,771		2,982		4,753		46,873		51,626
Consumer & Other	1		3		4		1,773		1,777
Total	$	4,659	$	39,865	$	44,524	$	197,964	$	242,488

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	879	$	9,867	$	10,746	$	25,677	$	36,423
Real Estate:
Commercial - Owner Occupied	1,438		9,684		11,122		51,979		63,101
Commercial - Investor Owned	2,530		7,021		9,551		65,542		75,093
Construction and Land Development	2,842		28,745		31,587		34,403		65,990
Residential	1,634		3,341		4,975		51,853		56,828
Consumer & Other	236		7		243		2,932		3,175
Total	$	9,559	$	58,665	$	68,224	$	232,386	$	300,610

Summary of Changes in Accretable Yield for Purchased Loans

Changes in the accretable yield for purchased loans were as follows for the six months ended June 30, 2012, and 2011:

(in thousands)	June 30, 2012			June 30, 2011
Balance at beginning of period	$	63,335		$	46,460
Additions	—			10,875
Accretion	(18,796		)	(11,433		)
Reclassifications from nonaccretable difference	73,381			—
Other	(2,746		)	—
Balance at end of period	$	115,174		$	45,902

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment in Impaired Non-covered Loans by Category (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2012 loan	Jun. 30, 2012 loan	Jun. 30, 2012 Non-Covered Loans	Dec. 31, 2011 Non-Covered Loans	Jun. 30, 2012 Non-Covered Loans Commercial & Industrial	Dec. 31, 2011 Non-Covered Loans Commercial & Industrial	Jun. 30, 2012 Non-Covered Loans Real Estate Commercial - Investor Owned	Dec. 31, 2011 Non-Covered Loans Real Estate Commercial - Investor Owned	Jun. 30, 2012 Non-Covered Loans Real Estate Commercial - Owner Occupied	Dec. 31, 2011 Non-Covered Loans Real Estate Commercial - Owner Occupied	Jun. 30, 2012 Non-Covered Loans Real Estate Construction and Land Development	Dec. 31, 2011 Non-Covered Loans Real Estate Construction and Land Development	Jun. 30, 2012 Non-Covered Loans Real Estate Residential	Dec. 31, 2011 Non-Covered Loans Real Estate Residential	Jun. 30, 2012 Non-Covered Loans Consumer & Other	Dec. 31, 2011 Non-Covered Loans Consumer & Other	Jun. 30, 2012 Unadvanced Commitment on Impaired Loan
Financing Receivable, Recorded Investment, Past Due [Line Items]
Number of loans over 90 days past due and still accruing	0	0
Interest lost on impaired loans	$ 676,000	$ 1,500,000
Cash collected and recognized as interest income	115,000	241,000
Interest income recognized on impaired loans continuing to accrue	79,000	238,000
Loans and Leases Receivable, Impaired Loans, Commitment to Lend																	1,100,000
Estimated losses attributable to unadvanced commitments on impaired loans																	212,000
Non-accrual			30,143,000	30,885,000	4,008,000	4,475,000	5,143,000	6,647,000	10,130,000	4,129,000	8,015,000	10,335,000	2,847,000	5,299,000	0	0
Restructured			10,412,000	9,982,000	659,000	1,159,000	4,794,000	4,480,000	0	443,000	3,263,000	3,677,000	1,696,000	223,000	0	0
Loans over 90 days past due and still accruing interest			0	755,000	0	0	0	0	0	0	0	755,000	0	0	0	0
Total Recorded Investment			$ 40,555,000	$ 41,622,000	$ 4,667,000	$ 5,634,000	$ 9,937,000	$ 11,127,000	$ 10,130,000	$ 4,572,000	$ 11,278,000	$ 14,767,000	$ 4,543,000	$ 5,522,000	$ 0	$ 0

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Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives Not Designated as Hedging Instruments, Notional Amount And Statements of Financial Position, Location

The table below summarizes the notional amounts and fair values of the client-related derivative instruments.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate swap contracts	$	132,320	$	65,077	$	1,953	$	1,095	$	2,431	$	1,796
Foreign exchange forward contracts	1,142		—		1,142		—		1,142		—

The table below summarizes the notional amounts and fair values of the derivative instruments used to manage risk.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate cap contracts	$	49,050	$	80,050	$	28	$	94	$	—	$	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following table shows the location and amount of gains and losses related to derivatives used for risk management purposes that were recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate cap contracts	Gain on state tax credits, net	$	(39	)	$	(201	)	$	(65	)	$	(234	)
Interest rate swap contracts	Miscellaneous income	—			44			—			88

The following table shows the location and amount of gains and losses recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate swap contracts	Interest and fees on loans	$	(110	)	$	(141	)	$	(251	)	$	(291	)

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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash dividends paid on common shares, per share	$ 0.105	$ 0.105
Issuance under equity compensation plans, shares	83,189	105,417
Issuance under public stock offering, shares		2,743,900

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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Collateral pledged	$ 3,520	$ 2,650
Allowance for loan losses on Portfolio loans, covered under FDIC loss share	1,889	1,635
State tax credits, held for sale, carried at fair value	$ 24,836	$ 26,350
Shareholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	35,000	35,000
Preferred stock, shares outstanding	35,000	35,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	17,933,051	17,849,862
Treasury stock, shares	76,000	76,000

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Segment Reporting

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

Segment Reporting

SEGMENT REPORTING

The Company has two primary operating segments, Banking and Wealth Management, which are delineated by the products and services that each segment offers. The segments are evaluated separately on their individual performance, as well as their contribution to the Company as a whole.

The Banking operating segment consists of a full-service commercial bank, with locations in St. Louis, Kansas City, and Phoenix. The majority of the Company’s assets and income result from the Banking segment. All banking locations have the same product and service offerings, have similar types and classes of customers and utilize similar service delivery methods. Pricing guidelines and operating policies for products and services are the same across all regions.

The Banking operating segment also includes activities surrounding the assets acquired under FDIC loss share agreements. 

The Wealth Management segment includes the Trust division of the Bank and the state tax credit brokerage activities. The Trust division provides estate planning, investment management, and retirement planning as well as consulting on management compensation, strategic planning and management succession issues. State tax credits are part of a fee initiative designed to augment the Company’s wealth management segment and banking lines of business.

The Corporate segment’s principal activities include the direct ownership of the Company’s banking subsidiary and the issuance of debt and equity. Its principal source of liquidity is dividends from its subsidiaries and stock option exercises.

The financial information for each business segment reflects that information which is specifically identifiable or which is allocated based on an internal allocation method. There were no material intersegment revenues among the three segments. Management periodically makes changes to methods of assigning costs and income to its business segments to better reflect operating results. When appropriate, these changes are reflected in prior year information presented below.

Following are the financial results for the Company’s operating segments.

(in thousands)	Banking			Wealth Management			Corporate and Intercompany			Total
Balance Sheet Information	June 30, 2012
Portfolio loans	$	2,191,482		$	—		$	—		$	2,191,482
Goodwill	30,334			—			—			30,334
Intangibles, net	8,310			—			—			8,310
Deposits	2,588,377			32,897			(17,001		)	2,604,273
Borrowings	164,895			60,584			82,581			308,060
Total assets	3,063,807			98,668			20,659			3,183,134
	December 31, 2011
Portfolio loans	$	2,197,684		$	—		$	—		$	2,197,684
Goodwill	30,334			—			—			30,334
Intangibles, net	9,285			—			—			9,285
Deposits	2,773,482			39,440			(21,569		)	2,791,353
Borrowings	213,480			45,565			82,581			341,626
Total assets	3,278,328			90,068			9,383			3,377,779
Income Statement Information	Three months ended June 30, 2012
Net interest income (expense)	$	35,208		$	(186	)	$	(889	)	$	34,133
Provision for loan losses	281			—			—			281
Noninterest income	(1,738		)	2,577			6			845
Noninterest expense	18,304			1,919			1,191			21,414
Income (loss) before income tax expense (benefit)	14,885			472			(2,074		)	13,283
	Three months ended June 30, 2011
Net interest income (expense)	$	32,351		$	(316	)	$	(1,031	)	$	31,004
Provision for loan losses	4,575			—			—			4,575
Noninterest income	1,539			2,644			35			4,218
Noninterest expense	15,285			1,972			767			18,024
Income (loss) before income tax expense (benefit)	14,030			356			(1,763		)	12,623
Income Statement Information	Six months ended June 30, 2012
Net interest income (expense)	$	67,018		$	(314	)	$	(1,942	)	$	64,762
Provision for loan losses	4,284			—			—			4,284
Noninterest income	153			4,630			45			4,828
Noninterest expense	36,362			3,792			2,624			42,778
Income (loss) before income tax expense (benefit)	26,525			524			(4,521		)	22,528
	Six months ended June 30, 2011
Net interest income (expense)	$	56,407		$	(638	)	$	(2,057	)	$	53,712
Provision for loan losses	8,175			—			—			8,175
Noninterest income	4,616			4,482			83			9,181
Noninterest expense	30,265			3,818			1,906			35,989
Income (loss) before income tax expense (benefit)	22,583			26			(3,880		)	18,729

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Document and Entity Information Document	6 Months Ended
	Jun. 30, 2012	Aug. 03, 2012
Entity Information [Line Items]
Entity Registrant Name	ENTERPRISE FINANCIAL SERVICES CORP
Entity Central Index Key	0001025835
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		17,874,541

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2012

Accounting Policies [Abstract]

Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]

Management systematically evaluates investment securities for other-than-temporary declines in fair value on a quarterly basis. This analysis requires management to consider various factors, which include (1) the present value of the cash flows expected to be collected compared to the amortized cost of the security, (2) duration and magnitude of the decline in value, (3) the financial condition of the issuer or issuers, (4) structure of the security and (5) the intent to sell the security or whether it is more likely than not that the Company would be required to sell the security before its anticipated recovery in market value.

Derivatives, Policy [Policy Text Block]

All derivative financial instruments, whether designated as hedges or not, are recorded on the consolidated balance sheet at fair value within Other assets or Other liabilities. The accounting for changes in the fair value of a derivative in the consolidated statement of operations depends on whether the contract has been designated as a hedge and qualifies for hedge accounting.

Basis of Accounitng and Consolidation, Policy

Basis of Financial Statement Presentation

The condensed consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. They do not include all information and footnotes required by U.S. GAAP for annual financial statements. The condensed consolidated financial statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Certain 2011 amounts in the consolidated financial statements have been reclassified to conform to the 2012 presentation. These reclassifications have no effect on Net income or Shareholders' equity as previously reported.

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Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest income:
Interest and fees on loans	$ 37,272	$ 34,951	$ 71,633	$ 62,582
Interest on debt securities:
Taxable	2,366	3,243	4,812	5,813
Nontaxable	236	155	470	265
Interest on federal funds sold	0	0	0	1
Interest on interest-bearing deposits	65	113	142	261
Dividends on equity securities	90	97	187	170
Total interest income	40,029	38,559	77,244	69,092
Interest expense:
Interest-bearing transaction accounts	193	206	384	395
Money market accounts	1,240	2,124	2,670	4,206
Savings	72	9	141	18
Certificates of deposit:
$100 and over	1,840	2,305	3,809	4,662
Other	696	800	1,506	1,853
Subordinated debentures	980	1,126	2,129	2,247
Federal Home Loan Bank advances	768	888	1,606	1,788
Notes payable and other borrowings	107	97	237	211
Total interest expense	5,896	7,555	12,482	15,380
Net interest income	34,133	31,004	64,762	53,712
Provision for loan losses not covered under FDIC loss share	75	4,300	1,793	7,900
Provision for loan losses covered under FDIC loss share	206	275	2,491	275
Net interest income after provision for loan losses	33,852	26,429	60,478	45,537
Noninterest income:
Wealth Management revenue	1,991	1,658	3,700	3,341
Service charges on deposit accounts	1,413	1,194	2,743	2,331
Other service charges and fee income	578	331	1,172	641
Gain on sale of other real estate	1,256	99	2,413	522
Gain on state tax credits, net	587	987	924	1,142
Gain on sale of investment securities	134	506	1,156	680
Change in FDIC loss share receivable	(5,694)	(1,081)	(8,650)	(365)
Miscellaneous income	580	524	1,370	889
Total noninterest income	845	4,218	4,828	9,181
Noninterest expense:
Employee compensation and benefits	11,052	8,265	21,515	16,953
Occupancy	1,379	1,141	2,763	2,280
Furniture and equipment	386	431	850	785
Data processing	829	604	1,649	1,230
FDIC and other insurance	843	1,133	1,796	2,355
Loan legal and other real estate expense	1,955	3,255	4,029	5,691
Other	4,970	3,195	10,176	6,695
Total noninterest expense	21,414	18,024	42,778	35,989
Income before income tax expense	13,283	12,623	22,528	18,729
Income tax expense	4,517	4,350	7,577	6,344
Net income	8,766	8,273	14,951	12,385
Net income available to common shareholders	$ 8,122	$ 7,643	$ 13,666	$ 11,129
Earnings per common share
Basic	$ 0.46	$ 0.45	$ 0.77	$ 0.71
Diluted	$ 0.44	$ 0.43	$ 0.75	$ 0.70

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Portfolio Loans Not Covered by Loss Share ("Non-covered")

6 Months Ended

Jun. 30, 2012

PORTFOLIO LOANS NOT COVERED BY LOSS SHARE [Abstract]

Portfolio Loans Not Covered by Loss Share (Non-covered)

PORTFOLIO LOANS NOT COVERED BY LOSS SHARE ("Non-covered")

Below is a summary of Non-covered loans by category at June 30, 2012, and December 31, 2011:

(in thousands)	June 30, 2012			December 31, 2011
Real Estate Loans:
Construction and Land Development	$	142,474		$	140,147
Commercial real estate - Investor Owned	479,492			477,154
Commercial real estate - Owner Occupied	322,491			334,416
Residential real estate	149,410			171,034
Total real estate loans	$	1,093,867		$	1,122,751
Commercial and industrial	841,383			763,202
Consumer & other	14,020			11,459
Portfolio Loans	$	1,949,270		$	1,897,412
Unearned loan costs, net	(276		)	(338		)
Portfolio loans, including unearned loan costs	$	1,948,994		$	1,897,074

The Company grants commercial, residential, and consumer loans primarily in the St. Louis, Kansas City and Phoenix metropolitan areas. The Company has a diversified loan portfolio, with no particular concentration of credit in any one economic sector; however, a substantial portion of the portfolio is concentrated in and secured by real estate. The ability of the Company’s borrowers to honor their contractual obligations is partially dependent upon the local economy and its effect on the real estate market.

A summary of the year-to-date activity in the allowance for loan losses and the recorded investment in Non-covered loans by portfolio class and category based on impairment method through June 30, 2012, and at December 31, 2011, is as follows:

(in thousands)	Commercial & Industrial			Commercial Real Estate Owner Occupied			Commercial Real Estate Investor Owned			Construction and Land Development			Residential Real Estate			Consumer & Other		Qualitative Adjustment			Total
Allowance for Loan Losses:
Balance at December 31, 2011	$	11,945		$	6,297		$	6,751		$	5,847		$	3,931		$	14	$	3,204		$	37,989
Provision charged to expense	929			1,231			216			269			(555		)	—		(372		)	1,718
Losses charged off	(585		)	(746		)	(185		)	(856		)	(362		)	—		—			(2,734		)
Recoveries	96			2			15			152			356			2		—			623
Balance at March 31, 2012	$	12,385		$	6,784		$	6,797		$	5,412		$	3,370		$	16	$	2,832		$	37,596
Provision charged to expense	(3,201		)	(744		)	3,518			442			(189		)	3		246			75
Losses charged off	(406		)	(739		)	(108		)	(502		)	(216		)	—		—			(1,971		)
Recoveries	203			5			15			97			284			—		—			604
Balance at June 30, 2012	$	8,981		$	5,306		$	10,222		$	5,449		$	3,249		$	19	$	3,078		$	36,304

(in thousands)	Commercial & Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Investor Owned		Construction and Land Development		Residential Real Estate		Consumer & Other		Qualitative Adjustment		Total
Balance June 30, 2012
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	2,098	$	2,257	$	2,244	$	1,408	$	544	$	—	$	—	$	8,551
Collectively evaluated for impairment	6,883		3,049		7,978		4,041		2,705		19		3,078		27,753
Total	$	8,981	$	5,306	$	10,222	$	5,449	$	3,249	$	19	$	3,078	$	36,304
Loans - Ending Balance:
Individually evaluated for impairment	$	4,667	$	10,130	$	9,937	$	11,278	$	4,543	$	—	$	—	$	40,555
Collectively evaluated for impairment	836,716		312,361		469,555		131,196		144,867		13,744		—		1,908,439
Total	$	841,383	$	322,491	$	479,492	$	142,474	$	149,410	$	13,744	$	—	$	1,948,994
Balance at December 31, 2011
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	3,214	$	1,377	$	2,315	$	2,927	$	896	$	—	$	—	$	10,729
Collectively evaluated for impairment	8,731		4,920		4,436		2,920		3,035		14		3,204		27,260
Total	$	11,945	$	6,297	$	6,751	$	5,847	$	3,931	$	14	$	3,204	$	37,989
Loans - Ending Balance:
Individually evaluated for impairment	$	5,634	$	4,572	$	11,127	$	14,767	$	5,522	$	—	$	—	$	41,622
Collectively evaluated for impairment	757,568		329,844		466,027		125,380		165,512		11,121		—		1,855,452
Total	$	763,202	$	334,416	$	477,154	$	140,147	$	171,034	$	11,121	$	—	$	1,897,074

A summary of Non-covered loans individually evaluated for impairment by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	4,786	$	601	$	4,066	$	4,667	$	2,098	$	7,784
Real Estate:
Commercial - Owner Occupied	11,743		3,180		6,950		10,130		2,257		8,669
Commercial - Investor Owned	13,866		1,759		8,178		9,937		2,244		9,710
Construction and Land Development	17,216		5,946		5,332		11,278		1,408		12,266
Residential	4,854		1,704		2,839		4,543		544		5,012
Consumer & Other	—		—		—		—		—		—
Total	$	52,465	$	13,190	$	27,365	$	40,555	$	8,551	$	43,441

	December 31, 2011
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	7,517	$	128	$	5,506	$	5,634	$	3,214	$	6,571
Real Estate:
Commercial - Owner Occupied	5,099		—		4,572		4,572		1,377		2,711
Commercial - Investor Owned	15,676		914		10,213		11,127		2,315		10,562
Construction and Land Development	19,685		1,628		13,139		14,767		2,927		16,114
Residential	6,465		2,211		3,311		5,522		896		9,588
Consumer & Other	—		—		—		—		—		—
Total	$	54,442	$	4,881	$	36,741	$	41,622	$	10,729	$	45,546

There were no loans over 90 days past due and still accruing interest at June 30, 2012. If interest on impaired loans would have been accrued based upon the original contractual terms, such income would have been $676,000 and $1.5 million for the three and six months ended June 30, 2012, respectively. The cash amount collected and recognized as interest income on impaired loans was $115,000 and $241,000 for the three and six months ended June 30, 2012, respectively. The amount recognized as interest income on impaired loans continuing to accrue interest was $79,000 and $238,000 for the three and six months ended June 30, 2012, respectively. At June 30, 2012, there were $1.1 million of unadvanced commitments on impaired loans. Other Liabilities include approximately $212,000 for estimated losses attributable to the unadvanced commitments on impaired loans.

The recorded investment in impaired Non-covered loans by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,008	$	659	$	—	$	4,667
Real Estate:
Commercial - Investor Owned	5,143		4,794		—		9,937
Commercial - Owner Occupied	10,130		—		—		10,130
Construction and Land Development	8,015		3,263		—		11,278
Residential	2,847		1,696		—		4,543
Consumer & Other	—		—		—		—
Total	$	30,143	$	10,412	$	—	$	40,555

	December 31, 2011
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,475	$	1,159	$	—	$	5,634
Real Estate:
Commercial - Investor Owned	6,647		4,480		—		11,127
Commercial - Owner Occupied	4,129		443		—		4,572
Construction and Land Development	10,335		3,677		755		14,767
Residential	5,299		223		—		5,522
Consumer & Other	—		—		—		—
Total	$	30,885	$	9,982	$	755	$	41,622

The recorded investment by category for the Non-covered loans that have been restructured for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012					Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance		Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance
Commercial & Industrial	—	$	—	$	—	1	$	659	$	659
Real Estate:
Commercial - Owner Occupied	—	—		—		—	—		—
Commercial - Investor Owned	—	—		—		1	4,365		4,794
Construction and Land Development	—	—		—		2	4,341		3,263
Residential	—	—		—		1	1,696		1,696
Consumer & Other	—	—		—		—	—		—
Total	—	$	—	$	—	5	$	11,061	$	10,412

The restructured Non-covered loans primarily resulted from interest rate concessions and changing the terms of the loans. As of June 30, 2012, the Company has allocated $2.3 million of specific reserves to the loans that have been restructured. At June 30, 2012, the Company has a commitment to lend an additional $741,000 to a customer with an outstanding loan that has been classified as restructured and has allocated a $141,000 reserve to this loan.

The recorded investment by category for the Non-covered loans that have been restructured and subsequently defaulted for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012			Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial & Industrial	—	$	—	1	$	16
Real Estate:
Commercial - Owner Occupied	—	—		—	—
Commercial - Investor Owned	—	—		—	—
Construction and Land Development	—	—		—	—
Residential	—	—		—	—
Consumer & Other	—	—		—	—
Total	—	$	—	1	$	16

The aging of the recorded investment in past due Non-covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	1,091	$	—	$	1,091	$	840,292	$	841,383
Real Estate:
Commercial - Owner Occupied	1,200		1,444		2,644		319,847		322,491
Commercial - Investor Owned	133		4,980		5,113		474,379		479,492
Construction and Land Development	617		6,618		7,235		135,239		142,474
Residential	1,203		1,789		2,992		146,418		149,410
Consumer & Other	—		—		—		13,744		13,744
Total	$	4,244	$	14,831	$	19,075	$	1,929,919	$	1,948,994

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	4,521	$	792	$	5,313	$	757,889	$	763,202
Real Estate:
Commercial - Owner Occupied	1,945		1,522		3,467		330,949		334,416
Commercial - Investor Owned	2,308		4,209		6,517		470,637		477,154
Construction and Land Development	1,356		9,786		11,142		129,005		140,147
Residential	299		4,137		4,436		166,598		171,034
Consumer & Other	—		—		—		11,121		11,121
Total	$	10,429	$	20,446	$	30,875	$	1,866,199	$	1,897,074

The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt, such as current financial information, historical payment experience, credit documentation, and current economic factors among other factors. This analysis is performed on a quarterly basis. The Company uses the following definitions for risk ratings:

• Grades 1, 2, and 3 - These grades include loans to borrowers with a continuous record of strong earnings, sound balance sheet condition and capitalization, ample liquidity with solid cash flow and whose management team has experience and depth within their industry.

• Grade 4– This grade includes loans to borrowers with positive trends in profitability, satisfactory capitalization and balance sheet condition, and sufficient liquidity and cash flow.

• Grade 5 – This grade includes loans to borrowers that may display fluctuating trends in sales, profitability, capitalization, liquidity, and cash flow.

• Grade 6– This grade includes loans to borrowers where an adverse change or perceived weakness has occurred, but may be correctable in the near future. Alternatively, this rating category may also include circumstances where the company is starting to reverse a negative trend or condition, or have recently been upgraded from a 7, 8, or 9 rating.

• Grade 7 – Watch credits are companies that have experienced financial setback of a nature that are not determined to be severe or influence ‘ongoing concern’ expectations. Borrowers within this category are expected to turnaround within a 12-month period of time. Although possible, no loss is anticipated, due to strong collateral and/or guarantor support.

• Grade 8 – Substandard credits will include those companies that are characterized by significant losses and sustained downward trends in balance sheet condition, liquidity, and cash flow. Repayment reliance may have shifted to secondary sources. Collateral exposure may exist and additional reserves may be warranted.

• Grade 9 – Doubtful credits include borrowers that may show deteriorating trends that are unlikely to be corrected. Collateral values may appear insufficient for full recovery, therefore requiring a partial charge-off, or debt renegotiation with the borrower. Borrower may have declared bankruptcy or bankruptcy is likely in the near term. All doubtful rated credits will be on non-accrual.

The recorded investment by risk category of the Non-covered loans by portfolio class and category at June 30, 2012, which is based upon the most recent analysis performed, and December 31, 2011 is as follows:

	June 30, 2012
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	768,797	$	52,630	$	19,956	$	—	$	841,383
Real Estate:
Commercial - Owner Occupied	273,950		33,381		14,816		344		322,491
Commercial - Investor Owned	393,624		50,330		35,538		—		479,492
Construction and Land Development	97,463		17,830		26,492		689		142,474
Residential	127,496		5,124		16,790		—		149,410
Consumer & Other	13,738		6		—		—		13,744
Total	$	1,675,068	$	159,301	$	113,592	$	1,033	$	1,948,994

	December 31, 2011
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	683,239	$	50,197	$	27,229	$	2,537	$	763,202
Real Estate:
Commercial - Owner Occupied	276,802		40,207		16,225		1,182		334,416
Commercial - Investor Owned	405,686		56,370		14,894		204		477,154
Construction and Land Development	91,286		27,056		21,461		344		140,147
Residential	148,309		4,814		16,419		1,492		171,034
Consumer & Other	11,112		9		—		—		11,121
Total	$	1,616,434	$	178,653	$	96,228	$	5,759	$	1,897,074

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Investments

6 Months Ended

Jun. 30, 2012

Investments [Abstract]

Investments

INVESTMENTS

The following table presents the amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale:

	June 30, 2012
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	119,467	$	2,177	$	—		$	121,644
Obligations of states and political subdivisions	41,070		2,056		(390		)	42,736
Residential mortgage-backed securities	429,351		6,225		(220		)	435,356
	$	589,888	$	10,458	$	(610	)	$	599,736
	December 31, 2011
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	126,305	$	678	$	(66	)	$	126,917
Obligations of states and political subdivisions	38,489		1,729		(381		)	39,837
Residential mortgage-backed securities	422,761		5,269		(1,602		)	426,428
	$	587,555	$	7,676	$	(2,049	)	$	593,182

At June 30, 2012, and December 31, 2011, there were no holdings of securities of any one issuer in an amount greater than 10% of shareholders’ equity, other than the U.S. government agencies and sponsored enterprises. The residential mortgage-backed securities are all issued by U.S. government sponsored enterprises. Available for sale securities having a fair value of $242.5 million and $287.8 million at June 30, 2012, and December 31, 2011, respectively, were pledged as collateral to secure deposits of public institutions and for other purposes as required by law or contract provisions.

The amortized cost and estimated fair value of debt securities classified as available for sale at June 30, 2012, by contractual maturity, are shown below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The weighted average life of the mortgage-backed securities is approximately 3 years.

(in thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	2,257	$	2,284
Due after one year through five years	113,163		115,615
Due after five years through ten years	40,811		42,347
Due after ten years	4,306		4,134
Mortgage-backed securities	429,351		435,356
	$	589,888	$	599,736

The following table represents a summary of available-for-sale investment securities that had an unrealized loss:

	June 30, 2012
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of the state and political subdivisions	$	3,298	$	33	$	3,043	$	357	$	6,341	$	390
Residential mortgage-backed securities	60,461		220		—		—		60,461		220
	$	63,759	$	253	$	3,043	$	357	$	66,802	$	610
	December 31, 2011
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government sponsored enterprises	$	23,389	$	66	$	—	$	—	$	23,389	$	66
Obligations of the state and political subdivisions	1,503		8		3,027		373		4,530		381
Residential mortgage-backed securities	86,954		1,598		4,203		4		91,157		1,602
	$	111,846	$	1,672	$	7,230	$	377	$	119,076	$	2,049

The unrealized losses at both June 30, 2012, and December 31, 2011, were primarily attributable to changes in market interest rates since the securities were purchased. Management systematically evaluates investment securities for other-than-temporary declines in fair value on a quarterly basis. This analysis requires management to consider various factors, which include (1) the present value of the cash flows expected to be collected compared to the amortized cost of the security, (2) duration and magnitude of the decline in value, (3) the financial condition of the issuer or issuers, (4) structure of the security and (5) the intent to sell the security or whether it is more likely than not that the Company would be required to sell the security before its anticipated recovery in market value. At June 30, 2012, management performed its quarterly analysis of all securities with an unrealized loss and concluded no individual securities were other-than-temporarily impaired.

The gross gains and gross losses realized from sales of available-for-sale investment securities were as follows:

	Three months ended June 30,					Six months ended June 30,
(in thousands)	2012			2011		2012			2011
Gross gains realized	$	324		$	506	$	1,399		$	680
Gross losses realized	(190		)	—		(243		)	—
Proceeds from sales	46,400			30,123		110,876			35,423

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments

The contractual amounts of off-balance-sheet financial instruments as of June 30, 2012, and December 31, 2011, are as follows:

(in thousands)	June 30, 2012		December 31, 2011
Commitments to extend credit	$	674,622	$	547,657
Standby letters of credit	47,538		43,973

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Summary of Per Common Share Data and Amounts

The following table presents a summary of per common share data and amounts for the periods indicated.

	Three months ended June 30,						Six months ended June 30,
(in thousands, except per share data)	2012			2011			2012			2011
Net income as reported	$	8,766		$	8,273		$	14,951		$	12,385
Preferred stock dividend	(438		)	(438		)	(875		)	(875		)
Accretion of preferred stock discount	(206		)	(192		)	(410		)	(381		)
Net income available to common shareholders	$	8,122		$	7,643		$	13,666		$	11,129
Impact of assumed conversions
Interest on 9% convertible trust preferred securities, net of income tax	371			371			742			742
Net income available to common shareholders and assumed conversions	$	8,493		$	8,014		$	14,408		$	11,871
Weighted average common shares outstanding	17,833			17,140			17,808			15,601
Incremental shares from assumed conversions of convertible trust preferred securities	1,439			1,439			1,439			1,439
Additional dilutive common stock equivalents	14			23			32			20
Diluted common shares outstanding	19,286			18,602			19,279			17,060
Basic earnings per common share:	$	0.46		$	0.45		$	0.77		$	0.71
Diluted earnings per common share:	$	0.44		$	0.43		$	0.75		$	0.70

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Derivative Financial Instruments

6 Months Ended

Jun. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

DERIVATIVE FINANCIAL INSTRUMENTS

The Company is a party to various derivative financial instruments that are used in the normal course of business to meet the needs of its clients and as part of its risk management activities. These instruments include interest rate swaps and option contracts and foreign exchange forward contracts. The Company does not enter into derivative financial instruments for trading or speculative purposes.

Interest rate swap contracts involve the exchange of fixed and floating rate interest payment obligations without the exchange of the underlying principal amounts. The Company enters into interest rate swap contracts on behalf of its

clients and also utilizes such contracts to reduce or eliminate the exposure to changes in the cash flows or fair value of hedged assets or liabilities due to changes in interest rates. Interest rate option contracts consist of caps and provide for the transfer or reduction of interest rate risk in exchange for a fee. Foreign exchange forward contracts are agreements between two parties to exchange a specified amount of one currency for another currency at a specified foreign exchange rate on a future date. The Company enters into foreign exchange forward contracts with their clients and enters into an offsetting foreign exchange contract with established financial institution counterparties.

All derivative financial instruments, whether designated as hedges or not, are recorded on the consolidated balance sheet at fair value within Other assets or Other liabilities. The accounting for changes in the fair value of a derivative in the consolidated statement of operations depends on whether the contract has been designated as a hedge and qualifies for hedge accounting. At June 30, 2012, and December 31, 2011, the Company did not have any derivatives designated as cash flow or fair value hedges.

Using derivative instruments means assuming counterparty credit risk. Counterparty credit risk relates to the loss the Company could incur if a counterparty were to default on a derivative contract. Notional amounts of derivative financial instruments do not represent credit risk, and are not recorded in the consolidated balance sheet. They are used merely to express the volume of this activity. The overall credit risk and exposure to individual counterparties is monitored. The Company does not anticipate nonperformance by any counterparties. The amount of counterparty credit exposure is the unrealized gains, if any, on such derivative contracts along with the value of foreign exchange forward contracts. At June 30, 2012, the Company had $3.1 million of counterparty credit exposure on derivatives. At June 30, 2012, the Company had pledged cash of $3.5 million and at December 31, 2011, the Company had pledged cash of $2.7 million, as collateral in connection with our interest rate swap agreements.

Risk Management Instruments. The Company enters into certain derivative contracts to economically hedge state tax credits and certain loans.

• Economic hedge of state tax credits. In November 2008, the Company paid $2.1 million to enter into a series of interest rate caps in order to economically hedge changes in fair value of the State tax credits held for sale. In February 2010, the Company paid $751,000 for an additional series of interest rate caps. See Note 8—Fair Value Measurements for further discussion of the fair value of the state tax credits.

• Economic hedge of prime based loans. Previously, the Company had two outstanding interest rate swap agreements whereby the Company paid a variable rate of interest equivalent to the prime rate and received a fixed rate of interest. The swaps were designed to hedge the cash flows associated with a portion of prime based loans and had been designated as cash flow hedges. However, in December 2008, due to a variable rate differential, the Company concluded the cash flow hedges would not be prospectively effective and the hedges were dedesignated. The swaps were terminated in February 2009. The unrealized gain prior to dedesignation was included in Accumulated other comprehensive income and is being amortized over the expected life of the related loans. For the three months ended June 30, 2011, $44,000 was reclassified into Miscellaneous income. For the six months ended June 30, 2011, $88,000 was reclassified into Miscellaneous income. At December 31, 2011, there were no additional amounts remaining in Accumulated other comprehensive income to be reclassified into operations.

The table below summarizes the notional amounts and fair values of the derivative instruments used to manage risk.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate cap contracts	$	49,050	$	80,050	$	28	$	94	$	—	$	—

The following table shows the location and amount of gains and losses related to derivatives used for risk management purposes that were recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate cap contracts	Gain on state tax credits, net	$	(39	)	$	(201	)	$	(65	)	$	(234	)
Interest rate swap contracts	Miscellaneous income	—			44			—			88

Client-Related Derivative Instruments. As an accommodation to certain customers, the Company enters into interest rate swaps to economically hedge changes in fair value of certain loans. During the second quarter of 2012, the Company entered into foreign exchange forward contracts with clients and entered into offsetting foreign exchange forward contracts with established financial institution counterparties. The table below summarizes the notional amounts and fair values of the client-related derivative instruments.

					Asset Derivatives (Other Assets)				Liability Derivatives (Other Liabilities)
	Notional Amount				Fair Value				Fair Value
(in thousands)	June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011		June 30, 2012		December 31, 2011
Non-designated hedging instruments
Interest rate swap contracts	$	132,320	$	65,077	$	1,953	$	1,095	$	2,431	$	1,796
Foreign exchange forward contracts	1,142		—		1,142		—		1,142		—

Changes in the fair value of client-related derivative instruments are recognized currently in operations. The following table shows the location and amount of gains and losses recorded in the condensed consolidated statements of operations for the three and six months ended June 30, 2012 and 2011.

	Location of Gain or (Loss) Recognized in Operations on Derivative	Amount of Gain or (Loss) Recognized in Operations on Derivative						Amount of Gain or (Loss) Recognized in Operations on Derivative
		Three months ended June 30,						Six months ended June 30,
(in thousands)		2012			2011			2012			2011
Non-designated hedging instruments
Interest rate swap contracts	Interest and fees on loans	$	(110	)	$	(141	)	$	(251	)	$	(291	)

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Portfolio Loans Covered by Loss Share (Covered loans)

6 Months Ended

Jun. 30, 2012

PORTFOLIO LOANS COVERED BY LOSS SHARE [Abstract]

Portfolio Loans Covered by Loss Share (Covered loans)

PORTFOLIO LOANS COVERED BY LOSS SHARE ("Covered loans")

Purchased loans acquired in a business combination, including loans purchased in our FDIC-assisted transactions, are recorded at estimated fair value on their purchase date without a carryover of the related allowance for loan losses. Purchased credit-impaired loans are loans that have evidence of credit deterioration since origination and it is probable at the date of acquisition that the Company will not collect all contractually required principal and interest payments. Evidence of credit quality deterioration as of the purchase date may include factors such as past due and non-accrual status. The difference between contractually required payments at acquisition and the cash flows expected to be collected at acquisition is referred to as the non-accretable yield. Subsequent decreases to the expected cash flows will generally result in a provision for loan losses. Subsequent increases in cash flows result in a reversal of the provision for loan losses to the extent of prior charges or a reclassification of the difference from non-accretable to accretable with a positive impact on interest income, prospectively. Further, any excess of cash flows expected at acquisition over the estimated fair value is referred to as the accretable yield and is recognized into interest income over the remaining life of the loan when there is a reasonable expectation about the amount and timing of such cash flows. Acquired loans that have common risk characteristics are aggregated into pools. The Company remeasures contractual and expected cash flows, at the pool-level, on a quarterly basis.

Inputs to the determination of expected cash flows include contractual cash flows, cumulative default and prepayment data as well as loss severity and recovery lag information. Cumulative default and prepayment data are calculated via a transition matrix. The transition matrix is a matrix of probability values that specifies the probability of a loan pool transitioning into a loss given its delinquency state (e.g. 0-30 days past due, 31 to 60 days, etc.) at the remeasurement date. Loss severity factors are based upon industry data along with actual charge-off data within the loan pools and recovery lags are based upon industry data along with experience with the collateral within the loan pools.

Covered loans are also subject to the Company’s internal and external credit review and are risk rated using the same criteria as loans originated by the Company. However, risk ratings are not always a clear indicator of the Company's losses on acquired loans as a majority of the losses are recoverable from the FDIC under the loss-sharing agreements.

Below is a summary of Covered loans by category at June 30, 2012, and December 31, 2011:

	June 30, 2012			December 31, 2011
(in thousands)	Weighted- Average Risk Rating	Recorded Investment Covered Loans		Weighted- Average Risk Rating	Recorded Investment Covered Loans
Real Estate Loans:
Construction and Land Development	7.14	$	40,023	7.22	$	65,990
Commercial real estate - Investor Owned	5.99	69,332		6.12	75,093
Commercial real estate - Owner Occupied	6.42	51,096		6.03	63,101
Residential real estate	5.45	51,626		4.81	56,828
Total real estate loans		$	212,077		$	261,012
Commercial and industrial	6.92	28,634		6.61	36,423
Consumer & other	4.25	1,777		4.14	3,175
Portfolio Loans		$	242,488		$	300,610

Below is a summary of the activity in the allowance for loan losses for Covered loans at June 30, 2012, and

June 30, 2011:

	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Balance at beginning of period	$	3,010		$	—		$	1,635		$	—
Provision charged to expense	206			275			2,491			275
Loans charged off	(1,152		)	(275		)	(2,062		)	(275		)
Recoveries	6			—			6			—
Other	(181		)	—			(181		)	—
Balance at end of period	$	1,889		$	—		$	1,889		$	—

The aging of the recorded investment in past due Covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	785	$	6,967	$	7,752	$	20,882	$	28,634
Real Estate:
Commercial - Owner Occupied	304		7,955		8,259		42,837		51,096
Commercial - Investor Owned	1,071		2,254		3,325		66,007		69,332
Construction and Land Development	727		19,704		20,431		19,592		40,023
Residential	1,771		2,982		4,753		46,873		51,626
Consumer & Other	1		3		4		1,773		1,777
Total	$	4,659	$	39,865	$	44,524	$	197,964	$	242,488

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	879	$	9,867	$	10,746	$	25,677	$	36,423
Real Estate:
Commercial - Owner Occupied	1,438		9,684		11,122		51,979		63,101
Commercial - Investor Owned	2,530		7,021		9,551		65,542		75,093
Construction and Land Development	2,842		28,745		31,587		34,403		65,990
Residential	1,634		3,341		4,975		51,853		56,828
Consumer & Other	236		7		243		2,932		3,175
Total	$	9,559	$	58,665	$	68,224	$	232,386	$	300,610

The accretable yield is accreted into interest income over the estimated life of the acquired loans using the effective

yield method. Other adjustments to the accretable yield include changes in the estimated remaining life of the acquired loans, changes in expected cash flows and changes of indices for acquired loans with variable interest rates.

Changes in the accretable yield for purchased loans were as follows for the six months ended June 30, 2012, and 2011:

(in thousands)	June 30, 2012			June 30, 2011
Balance at beginning of period	$	63,335		$	46,460
Additions	—			10,875
Accretion	(18,796		)	(11,433		)
Reclassifications from nonaccretable difference	73,381			—
Other	(2,746		)	—
Balance at end of period	$	115,174		$	45,902

Other changes in the accretable yield include the impact of cash flow timing estimates, changes in variable interest rates, and other non-credit related adjustments. Outstanding balances on purchased loans from the FDIC were $376.2 million and $496.2 million as of June 30, 2012, and December 31, 2011, respectively. For the three months ended and six months ended June 30, 2012, the Bank received payments of $58.4 million and $70.0 million, respectively, for loss share claims under the terms of the FDIC shared-loss agreements.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

COMMITMENTS AND CONTINGENCIES

The Company issues financial instruments with off balance sheet risk in the normal course of the business of meeting the financing needs of its customers. These financial instruments include commitments to extend credit and standby letters of credit. These instruments may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in the consolidated balance sheets.

The Company’s extent of involvement and maximum potential exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual amount of these instruments.

The Company uses the same credit policies in making commitments and conditional obligations as it does for financial instruments included on its consolidated balance sheets. At June 30, 2012, there were $1.1 million of unadvanced commitments on impaired loans. Other liabilities include approximately $212,000 for estimated losses attributable to the unadvanced commitments on impaired loans.

The contractual amounts of off-balance-sheet financial instruments as of June 30, 2012, and December 31, 2011, are as follows:

(in thousands)	June 30, 2012		December 31, 2011
Commitments to extend credit	$	674,622	$	547,657
Standby letters of credit	47,538		43,973

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 usually have fixed expiration dates or other termination clauses, may have significant usage restrictions, and may require payment of a fee. Of the total commitments to extend credit at June 30, 2012, and December 31, 2011, approximately $95.7 million and $75.7 million, respectively, represent fixed rate loan commitments. Since certain of the commitments may expire without being drawn upon or may be revoked, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the borrower. Collateral held varies, but may include accounts receivable, inventory, premises and equipment, and real estate. Included in the June 30, 2012 commitments to extend credit are $74 million of lines with significant usage restrictions.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. These standby letters of credit are issued to support contractual obligations of the Company’s customers. The credit risk involved in issuing letters of credit is essentially the same as the risk involved in extending loans to customers. The approximate remaining term of standby letters of credit range from 6 months to 5 years at June 30, 2012.

Contingencies

The Company and its subsidiaries are, from time to time, parties to various legal proceedings arising out of their businesses. Other than those described below, management believes that there are no such proceedings pending or threatened against the Company or its subsidiaries which, if determined adversely, would have a material adverse effect on the business, consolidated financial condition, results of operations or cash flows of the Company or any of its subsidiaries.

Distinctive Notes

The Bank, along with other co-defendants has been named as a defendant in two lawsuits filed by persons alleging to be clients of the Bank’s Trust division who invested in promissory notes (the "Distinctive Notes") issued by Distinctive Properties (UK) Limited (“Distinctive Properties”), a company involved in the purchase and development of real estate in the United Kingdom. The Company is unable to estimate a reasonably possible loss for the cases described below because the proceedings are in early stages and there are significant factual issues to be determined and resolved in each case. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuits.

Rosemann, et al. v. Martin Sigillito, et al. 

In one of the lawsuits, the plaintiffs allege that the investments in the Distinctive Notes were part of a multi-million dollar Ponzi scheme. Plaintiffs allege to hold such promissory notes in accounts with the Trust division and that, among other things, the Bank was negligent, breached its fiduciary duties and breached its contracts. Plaintiffs also allege that the Bank violated the Racketeer Influenced and Corrupt Organizations Act (“RICO”). Plaintiffs, in the aggregate, are seeking damages from defendants, including the Bank, in excess of $25.0 million as well as their costs and attorneys’ fees and trebled damages under RICO.

As previously reported, on July 1, 2011, the United States moved to intervene in the case for purposes of securing a stay of the case pending completion of its criminal case against the individual defendants, which did not include the Company, the Bank or any affiliates thereof.

BJD, LLC and Barbara Dunning v. Enterprise Bank & Trust, et. al.

The Bank has also been named as a defendant in this case, relating to BJD’s investment in the Distinctive Notes. Plaintiffs allege that the Bank, and the other defendants breached their fiduciary duties and were negligent in allowing plaintiffs to invest in the Distinctive Notes because the loan program was allegedly never funded and the assets of the borrower did not exist or were overvalued. Plaintiffs are seeking approximately $800,000 in damages, 9% interest, punitive damages, attorneys’ fees and costs.

On July 11, 2011, the U.S. Attorney's Office moved to intervene in this case as well for purposes of seeking a stay of certain discovery pending completion of the above described criminal proceedings. As a result, certain discovery in the case was put on hold for the duration of such criminal proceedings.

The criminal proceedings against Sigillito began on March 19, 2012. After a four week trial, Sigillito was found guilty of 20 counts of wire fraud, mail fraud, conspiracy and money laundering. Following this verdict, the judge lifted the stay in the Rosemann case and scheduled a Rule 16 conference for May 31, 2012. The case is now set for a four week jury trial starting August 26, 2013. The court in the Dunning case has granted the Bank's motion to compel arbitration and stay proceedings. Arbitration proceedings are not yet underway.

William Mark Scott v. Enterprise Financial Services Corp, et. al.

On April 10, 2012, a putative class action was filed in the United States District Court for the Eastern District of Missouri captioned William Mark Scott v. Enterprise Financial Services Corp, Peter F. Benoist, and Frank H. Sanfilippo. The complaint asserts claims for violation of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of a putative class of purchasers of the Company's stock between April 20, 2010 and January 25, 2012, inclusive. The complaint alleges, among other things, that defendants made false and misleading statements and "failed to disclose that the Company was improperly recording income on loans covered under loss share agreements with the FDIC" and that, as a result, "the Company's financial statements were materially false and misleading at all relevant times." The action seeks unspecified damages and costs and expenses. The Company is unable to estimate a reasonably possible loss for the case because the proceeding is in an early stage and there are significant factual issues to be determined and resolved. The Company denies plaintiffs’ allegations and intends to vigorously defend the lawsuit.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Fair Value Measurements

FAIR VALUE MEASUREMENTS

Below is a description of certain assets and liabilities measured at fair value.

The following table summarizes financial instruments measured at fair value on a recurring basis as of June 30, 2012, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value.

	June 30, 2012
(in thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Securities available for sale
Obligations of U.S. Government sponsored enterprises	$	—	$	121,644	$	—	$	121,644
Obligations of states and political subdivisions	—		39,694		3,042		42,736
Residential mortgage-backed securities	—		435,356		—		435,356
Total securities available for sale	$	—	$	596,694	$	3,042	$	599,736
Portfolio loans	—		13,356		—		13,356
State tax credits held for sale	—		—		24,836		24,836
Derivative financial instruments	—		3,123		—		3,123
Total assets	$	—	$	613,173	$	27,878	$	641,051
Liabilities
Derivative financial instruments	$	—	$	3,573	$	—	$	3,573
Total liabilities	$	—	$	3,573	$	—	$	3,573

• Securities available for sale. Securities classified as available for sale are reported at fair value utilizing Level 2 and Level 3 inputs. The Company obtains fair value measurements from an independent pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond's terms and conditions. At June 30, 2012, Level 3 securities available for sale consist primarily of three Auction Rate Securities.

• Portfolio Loans. Certain fixed rate portfolio loans are accounted for as trading instruments and reported at fair value. Fair value on these loans is determined using a third party valuation model with observable Level 2 market data inputs.

• State tax credits held for sale. At June 30, 2012, of the $65.6 million of state tax credits held for sale on the condensed consolidated balance sheet, approximately $24.8 million were carried at fair value. The remaining $40.8 million of state tax credits were accounted for at cost.

The fair value of the state tax credits carried at fair value increased $465,000 for the quarter ended June 30, 2012 compared to $198,000 for the same period in 2011. These fair value changes are included in Gain on State tax credits, net in the condensed consolidated statements of operations.

The Company is not aware of an active market that exists for the 10-year streams of state tax credit financial instruments. However, the Company’s principal market for these tax credits consists of Missouri state residents who buy these credits and from local and regional accounting firms who broker them. As such, the Company employed a discounted cash flow analysis (income approach) to determine the fair value.

The fair value measurement is calculated using an internal valuation model with observable market data including discounted cash flows based upon the terms and conditions of the tax credits. Assuming that the underlying project remains in compliance with the various federal and state rules governing the tax credit program, each project will generate about 10 years of tax credits. The inputs to the fair value calculation include: the amount of tax credits generated each year, the anticipated sale price of the tax credit, the timing of the sale and a discount rate. The discount rate is defined as the LIBOR swap curve at a point equal to the remaining life in years of credits plus a 205 basis point spread. With the exception of the discount rate, the other inputs to the fair value calculation are observable and readily available. The discount rate is considered a Level 3 input because it is an “unobservable input” and is based on the Company’s assumptions. An increasein the discount rate utilized would generally result in a lower estimated fair value of the tax credits. Alternatively, a decrease in the discount rate utilized would generally result in a higher estimated fair value of the tax credits. Given the significance of this input to the fair value calculation, the state tax credit assets are reported as Level 3 assets.

• Derivatives. Derivatives are reported at fair value utilizing Level 2 inputs. The Company obtains counterparty quotations to value its interest rate swaps and caps. In addition, the Company validates the counterparty quotations with third party valuation sources. Derivatives with negative fair values are included in Other liabilities in the consolidated balance sheets. Derivatives with positive fair value are included in Other assets in the consolidated balance sheets.

Level 3 financial instruments

The following table presents the changes in Level 3 financial instruments measured at fair value on a recurring basis as of June 30, 2012.

• Purchases, sales, issuances and settlements, net. There were no Level 3 purchases during the quarter ended June 30, 2012.

• Transfers in and/or out of Level 3. The transfer out of Level 3 is related to a newly issued mortgage-backed security purchased in the fourth quarter of 2011 which was originally priced using Level 3 assumptions. In the first quarter of 2012, a third party pricing service, utilizing Level 2 assumptions, became available as more data was available on the new security.

	Securities available for sale, at fair value
	Three months ended June 30,				Six months ended June 30,
(in thousands)	2012		2011		2012			2011
Beginning balance	$	3,024	$	2,972	$	6,763		$	7,520
Total gains (losses):
Included in other comprehensive income	18		22		15			29
Purchases, sales, issuances and settlements:
Purchases	—		—		—			—
Transfer in and/or out of Level 3	—		—		(3,736		)	(4,555		)
Ending balance	$	3,042	$	2,994	$	3,042		$	2,994
Change in unrealized gains relating to assets still held at the reporting date	$	18	$	22	$	15		$	29

	State tax credits held for sale
	Three months ended June 30,						Six months ended June 30,
(in thousands)	2012			2011			2012			2011
Beginning balance	$	24,653		$	30,494		$	26,350		$	31,576
Total gains:
Included in earnings	559			667			730			809
Purchases, sales, issuances and settlements:
Sales	(376		)	(1,914		)	(2,244		)	(3,138		)
Ending balance	$	24,836		$	29,247		$	24,836		$	29,247
Change in unrealized gains relating to assets still held at the reporting date	$	465		$	198		$	182		$	34

From time to time, the Company measures certain assets at fair value on a nonrecurring basis. These include assets that are measured at the lower of cost or fair value that were recognized at fair value below cost at the end of the period. The following table presents financial instruments and non-financial assets measured at fair value on a non-recurring basis as of June 30, 2012.

	(1)		(1)		(1)		(1)
(in thousands)	Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total (losses) gains for the three months ended June 30, 2012			Total (losses) gains for the six months ended June 30, 2012
Impaired loans	$	14,278	$	—	$	—	$	14,278	$	(1,971	)	$	(4,705	)
Other real estate	14,291		—		—		14,291		(778		)	(1,814		)
Total	$	28,569	$	—	$	—	$	28,569	$	(2,749	)	$	(6,519	)

(1) The amounts represent only balances measured at fair value during the period and still held as of the reporting date.

Impaired loans are reported at the fair value of the underlying collateral. Fair values for impaired loans are obtained from current appraisals by qualified licensed appraisers or independent valuation specialists. Other real estate owned is adjusted to fair value upon foreclosure of the underlying loan. Subsequently, foreclosed assets are carried at the lower of carrying value or fair value less costs to sell. Fair value of other real estate is based upon the current appraised values of the properties as determined by qualified licensed appraisers and the Company’s judgment of other relevant market conditions. Certain state tax credits are reported at cost.

Following is a summary of the carrying amounts and fair values of the Company’s financial instruments on the consolidated balance sheets at June 30, 2012, and December 31, 2011.

	June 30, 2012				December 31, 2011
(in thousands)	Carrying Amount		Estimated fair value		Carrying Amount		Estimated fair value
Balance sheet assets
Cash and due from banks	$	29,832	$	29,832	$	20,791	$	20,791
Federal funds sold	58		58		143		143
Interest-bearing deposits	47,589		47,589		168,711		168,711
Securities available for sale	599,736		599,736		593,182		593,182
Other investments, at cost	14,501		14,501		14,527		14,527
Loans held for sale	4,928		4,928		6,494		6,494
Derivative financial instruments	3,123		3,123		1,189		1,189
Portfolio loans, net	2,153,289		2,162,792		2,158,060		2,163,723
State tax credits, held for sale	65,648		65,648		50,446		50,446
Accrued interest receivable	9,665		9,665		9,193		9,193
Balance sheet liabilities
Deposits	2,604,273		2,615,852		2,791,353		2,804,044
Subordinated debentures	85,081		42,110		85,081		42,252
Federal Home Loan Bank advances	90,500		88,955		102,000		110,575
Other borrowings	132,479		132,488		154,545		154,561
Derivative financial instruments	3,573		3,573		1,796		1,796
Accrued interest payable	1,459		1,459		1,762		1,762

For information regarding the methods and assumptions used to estimate the fair value of each class of financial instruments for which it is practical to estimate such value, refer to Note 19–Fair Value Measurements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

The following table presents the level in the fair value hierarchy for the estimated fair values of only the Company’s financial instruments that are not already on the condensed consolidated balance sheets at fair value at June 30, 2012, and December 31, 2011.

	Estimated Fair Value Measurement at Reporting Date Using						Balance at June 30, 2012
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,162,792	$	2,162,792
Financial Liabilities:
Deposits	1,926,899		—		688,953		2,615,852
Subordinated debentures	—		—		42,110		42,110
Federal Home Loan Bank advances	—		—		88,955		88,955
Other borrowings	—		—		132,488		132,488
	Estimated Fair Value Measurement at Reporting Date Using						Balance at December 31, 2011
(in thousands)	Level 1		Level 2		Level 3
Financial Assets:
Portfolio loans, net	$	—	$	—	$	2,163,723	$	2,163,723
Financial Liabilities:
Deposits	1,974,432		—		829,612		2,804,044
Subordinated debentures	—		—		42,252		42,252
Federal Home Loan Bank advances	—		—		110,575		110,575
Other borrowings	—		—		154,561		154,561

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment in Non-covered Loans by Portfolio Class and Category Based on Impairment Method (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Loans - Ending Balance:
Total	$ 1,948,994		$ 1,897,074
Non-Covered Loans
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	8,551		10,729
Collectively evaluated for impairment	27,753		27,260
Total	36,304	37,596	37,989
Loans - Ending Balance:
Individually evaluated for Impairment	40,555		41,622
Collectively evaluated for impairment	1,908,439		1,855,452
Total	1,949,270		1,897,412
Total	1,948,994		1,897,074
Non-Covered Loans | Commercial & Industrial
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	2,098		3,214
Collectively evaluated for impairment	6,883		8,731
Total	8,981	12,385	11,945
Loans - Ending Balance:
Individually evaluated for Impairment	4,667		5,634
Collectively evaluated for impairment	836,716		757,568
Total	841,383		763,202
Non-Covered Loans | Real Estate
Loans - Ending Balance:
Total	1,093,867		1,122,751
Non-Covered Loans | Real Estate | Commercial Real Estate Owner Occupied
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	2,257		1,377
Collectively evaluated for impairment	3,049		4,920
Total	5,306	6,784	6,297
Loans - Ending Balance:
Individually evaluated for Impairment	10,130		4,572
Collectively evaluated for impairment	312,361		329,844
Total	322,491		334,416
Non-Covered Loans | Real Estate | Commercial Real Estate Investor Owned
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	2,244		2,315
Collectively evaluated for impairment	7,978		4,436
Total	10,222	6,797	6,751
Loans - Ending Balance:
Individually evaluated for Impairment	9,937		11,127
Collectively evaluated for impairment	469,555		466,027
Total	479,492		477,154
Non-Covered Loans | Real Estate | Construction and Land Development
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	1,408		2,927
Collectively evaluated for impairment	4,041		2,920
Total	5,449	5,412	5,847
Loans - Ending Balance:
Individually evaluated for Impairment	11,278		14,767
Collectively evaluated for impairment	131,196		125,380
Total	142,474		140,147
Non-Covered Loans | Real Estate | Residential Real Estate
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	544		896
Collectively evaluated for impairment	2,705		3,035
Total	3,249	3,370	3,931
Loans - Ending Balance:
Individually evaluated for Impairment	4,543		5,522
Collectively evaluated for impairment	144,867		165,512
Total	149,410		171,034
Non-Covered Loans | Consumer & Other
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	19		14
Total	19	16	14
Loans - Ending Balance:
Individually evaluated for Impairment	0		0
Collectively evaluated for impairment	13,744		11,121
Total	14,020		11,459
Total	13,744		11,121
Non-Covered Loans | Qualitative Adjustment
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	3,078		3,204
Total	3,078	2,832	3,204
Loans - Ending Balance:
Individually evaluated for Impairment	0		0
Collectively evaluated for impairment	0		0
Total	$ 0		$ 0

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Fair Value Measurements - Estimate of the Fair Value of Financial Instruments Not Recorded at Fair Value on Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair Value, Level 1
Financial Assets:
Portfolio loans, net	$ 0	$ 0
Financial Liabilities:
Deposits	1,926,899	1,974,432
Subordinated debentures	0	0
Federal Home Loan Bank advances	0	0
Other borrowings	0	0
Fair Value, Level 2
Financial Assets:
Portfolio loans, net	0	0
Financial Liabilities:
Deposits	0	0
Subordinated debentures	0	0
Federal Home Loan Bank advances	0	0
Other borrowings	0	0
Fair Value, Level 3
Financial Assets:
Portfolio loans, net	2,162,792	2,163,723
Financial Liabilities:
Deposits	688,953	829,612
Subordinated debentures	42,110	42,252
Federal Home Loan Bank advances	88,955	110,575
Other borrowings	132,488	154,561
Estimated fair value
Financial Assets:
Portfolio loans, net	2,162,792	2,163,723
Financial Liabilities:
Deposits	2,615,852	2,804,044
Subordinated debentures	42,110	42,252
Federal Home Loan Bank advances	88,955	110,575
Other borrowings	$ 132,488	$ 154,561

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Portfolio Loans Not Covered by Loss Share ("Non-covered") (Tables) (Non-Covered Loans)

6 Months Ended

Jun. 30, 2012

Non-Covered Loans

Non-covered Loans [Line Items]

Summary of Non-covered Loans by Category

Below is a summary of Non-covered loans by category at June 30, 2012, and December 31, 2011:

(in thousands)	June 30, 2012			December 31, 2011
Real Estate Loans:
Construction and Land Development	$	142,474		$	140,147
Commercial real estate - Investor Owned	479,492			477,154
Commercial real estate - Owner Occupied	322,491			334,416
Residential real estate	149,410			171,034
Total real estate loans	$	1,093,867		$	1,122,751
Commercial and industrial	841,383			763,202
Consumer & other	14,020			11,459
Portfolio Loans	$	1,949,270		$	1,897,412
Unearned loan costs, net	(276		)	(338		)
Portfolio loans, including unearned loan costs	$	1,948,994		$	1,897,074

Summary of Allowance for Loan Losses for Non-covered Loans by Portfolio Class and Category

A summary of the year-to-date activity in the allowance for loan losses and the recorded investment in Non-covered loans by portfolio class and category based on impairment method through June 30, 2012, and at December 31, 2011, is as follows:

(in thousands)	Commercial & Industrial			Commercial Real Estate Owner Occupied			Commercial Real Estate Investor Owned			Construction and Land Development			Residential Real Estate			Consumer & Other		Qualitative Adjustment			Total
Allowance for Loan Losses:
Balance at December 31, 2011	$	11,945		$	6,297		$	6,751		$	5,847		$	3,931		$	14	$	3,204		$	37,989
Provision charged to expense	929			1,231			216			269			(555		)	—		(372		)	1,718
Losses charged off	(585		)	(746		)	(185		)	(856		)	(362		)	—		—			(2,734		)
Recoveries	96			2			15			152			356			2		—			623
Balance at March 31, 2012	$	12,385		$	6,784		$	6,797		$	5,412		$	3,370		$	16	$	2,832		$	37,596
Provision charged to expense	(3,201		)	(744		)	3,518			442			(189		)	3		246			75
Losses charged off	(406		)	(739		)	(108		)	(502		)	(216		)	—		—			(1,971		)
Recoveries	203			5			15			97			284			—		—			604
Balance at June 30, 2012	$	8,981		$	5,306		$	10,222		$	5,449		$	3,249		$	19	$	3,078		$	36,304

(in thousands)	Commercial & Industrial		Commercial Real Estate Owner Occupied		Commercial Real Estate Investor Owned		Construction and Land Development		Residential Real Estate		Consumer & Other		Qualitative Adjustment		Total
Balance June 30, 2012
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	2,098	$	2,257	$	2,244	$	1,408	$	544	$	—	$	—	$	8,551
Collectively evaluated for impairment	6,883		3,049		7,978		4,041		2,705		19		3,078		27,753
Total	$	8,981	$	5,306	$	10,222	$	5,449	$	3,249	$	19	$	3,078	$	36,304
Loans - Ending Balance:
Individually evaluated for impairment	$	4,667	$	10,130	$	9,937	$	11,278	$	4,543	$	—	$	—	$	40,555
Collectively evaluated for impairment	836,716		312,361		469,555		131,196		144,867		13,744		—		1,908,439
Total	$	841,383	$	322,491	$	479,492	$	142,474	$	149,410	$	13,744	$	—	$	1,948,994
Balance at December 31, 2011
Allowance for Loan Losses - Ending Balance:
Individually evaluated for impairment	$	3,214	$	1,377	$	2,315	$	2,927	$	896	$	—	$	—	$	10,729
Collectively evaluated for impairment	8,731		4,920		4,436		2,920		3,035		14		3,204		27,260
Total	$	11,945	$	6,297	$	6,751	$	5,847	$	3,931	$	14	$	3,204	$	37,989
Loans - Ending Balance:
Individually evaluated for impairment	$	5,634	$	4,572	$	11,127	$	14,767	$	5,522	$	—	$	—	$	41,622
Collectively evaluated for impairment	757,568		329,844		466,027		125,380		165,512		11,121		—		1,855,452
Total	$	763,202	$	334,416	$	477,154	$	140,147	$	171,034	$	11,121	$	—	$	1,897,074

Summary of Non-covered Loans Individually Evaluated for Impairment by Category

The recorded investment in impaired Non-covered loans by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,008	$	659	$	—	$	4,667
Real Estate:
Commercial - Investor Owned	5,143		4,794		—		9,937
Commercial - Owner Occupied	10,130		—		—		10,130
Construction and Land Development	8,015		3,263		—		11,278
Residential	2,847		1,696		—		4,543
Consumer & Other	—		—		—		—
Total	$	30,143	$	10,412	$	—	$	40,555

	December 31, 2011
(in thousands)	Non-accrual		Restructured		Loans over 90 days past due and still accruing interest		Total
Commercial & Industrial	$	4,475	$	1,159	$	—	$	5,634
Real Estate:
Commercial - Investor Owned	6,647		4,480		—		11,127
Commercial - Owner Occupied	4,129		443		—		4,572
Construction and Land Development	10,335		3,677		755		14,767
Residential	5,299		223		—		5,522
Consumer & Other	—		—		—		—
Total	$	30,885	$	9,982	$	755	$	41,622

A summary of Non-covered loans individually evaluated for impairment by category at June 30, 2012, and December 31, 2011, is as follows:

	June 30, 2012
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	4,786	$	601	$	4,066	$	4,667	$	2,098	$	7,784
Real Estate:
Commercial - Owner Occupied	11,743		3,180		6,950		10,130		2,257		8,669
Commercial - Investor Owned	13,866		1,759		8,178		9,937		2,244		9,710
Construction and Land Development	17,216		5,946		5,332		11,278		1,408		12,266
Residential	4,854		1,704		2,839		4,543		544		5,012
Consumer & Other	—		—		—		—		—		—
Total	$	52,465	$	13,190	$	27,365	$	40,555	$	8,551	$	43,441

	December 31, 2011
(in thousands)	Unpaid Contractual Principal Balance		Recorded Investment With No Allowance		Recorded Investment With Allowance		Total Recorded Investment		Related Allowance		Average Recorded Investment
Commercial & Industrial	$	7,517	$	128	$	5,506	$	5,634	$	3,214	$	6,571
Real Estate:
Commercial - Owner Occupied	5,099		—		4,572		4,572		1,377		2,711
Commercial - Investor Owned	15,676		914		10,213		11,127		2,315		10,562
Construction and Land Development	19,685		1,628		13,139		14,767		2,927		16,114
Residential	6,465		2,211		3,311		5,522		896		9,588
Consumer & Other	—		—		—		—		—		—
Total	$	54,442	$	4,881	$	36,741	$	41,622	$	10,729	$	45,546

Summary of Recorded Investment by Category of Non-covered Loans Restructured

The recorded investment by category for the Non-covered loans that have been restructured for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012					Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance		Number of Loans	Pre-Modification Outstanding Recorded Balance		Post-Modification Outstanding Recorded Balance
Commercial & Industrial	—	$	—	$	—	1	$	659	$	659
Real Estate:
Commercial - Owner Occupied	—	—		—		—	—		—
Commercial - Investor Owned	—	—		—		1	4,365		4,794
Construction and Land Development	—	—		—		2	4,341		3,263
Residential	—	—		—		1	1,696		1,696
Consumer & Other	—	—		—		—	—		—
Total	—	$	—	$	—	5	$	11,061	$	10,412

Summary of Recorded Investment by Category of Non-covered Loans Restructured and Subsequently Defaulted

The recorded investment by category for the Non-covered loans that have been restructured and subsequently defaulted for the three and six months ended June 30, 2012, is as follows:

	Three months ended June 30, 2012			Six months ended June 30, 2012
(in thousands, except for number of loans)	Number of Loans	Recorded Balance		Number of Loans	Recorded Balance
Commercial & Industrial	—	$	—	1	$	16
Real Estate:
Commercial - Owner Occupied	—	—		—	—
Commercial - Investor Owned	—	—		—	—
Construction and Land Development	—	—		—	—
Residential	—	—		—	—
Consumer & Other	—	—		—	—
Total	—	$	—	1	$	16

Summary of Aging of Recorded Investment in Past Due Non-covered Loans by Portfolio Class and Category

The aging of the recorded investment in past due Non-covered loans by portfolio class and category at June 30, 2012, and December 31, 2011, is shown below.

	June 30, 2012
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	1,091	$	—	$	1,091	$	840,292	$	841,383
Real Estate:
Commercial - Owner Occupied	1,200		1,444		2,644		319,847		322,491
Commercial - Investor Owned	133		4,980		5,113		474,379		479,492
Construction and Land Development	617		6,618		7,235		135,239		142,474
Residential	1,203		1,789		2,992		146,418		149,410
Consumer & Other	—		—		—		13,744		13,744
Total	$	4,244	$	14,831	$	19,075	$	1,929,919	$	1,948,994

	December 31, 2011
(in thousands)	30-89 Days  Past Due		90 or More Days Past Due		Total Past Due		Current		Total
Commercial & Industrial	$	4,521	$	792	$	5,313	$	757,889	$	763,202
Real Estate:
Commercial - Owner Occupied	1,945		1,522		3,467		330,949		334,416
Commercial - Investor Owned	2,308		4,209		6,517		470,637		477,154
Construction and Land Development	1,356		9,786		11,142		129,005		140,147
Residential	299		4,137		4,436		166,598		171,034
Consumer & Other	—		—		—		11,121		11,121
Total	$	10,429	$	20,446	$	30,875	$	1,866,199	$	1,897,074

Summary of Recorded Investment by Risk Category of Non-covered Loans by Portfolio Class and Category

The recorded investment by risk category of the Non-covered loans by portfolio class and category at June 30, 2012, which is based upon the most recent analysis performed, and December 31, 2011 is as follows:

	June 30, 2012
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	768,797	$	52,630	$	19,956	$	—	$	841,383
Real Estate:
Commercial - Owner Occupied	273,950		33,381		14,816		344		322,491
Commercial - Investor Owned	393,624		50,330		35,538		—		479,492
Construction and Land Development	97,463		17,830		26,492		689		142,474
Residential	127,496		5,124		16,790		—		149,410
Consumer & Other	13,738		6		—		—		13,744
Total	$	1,675,068	$	159,301	$	113,592	$	1,033	$	1,948,994

	December 31, 2011
(in thousands)	Pass (1-6)		Watch (7)		Substandard (8)		Doubtful (9)		Total
Commercial & Industrial	$	683,239	$	50,197	$	27,229	$	2,537	$	763,202
Real Estate:
Commercial - Owner Occupied	276,802		40,207		16,225		1,182		334,416
Commercial - Investor Owned	405,686		56,370		14,894		204		477,154
Construction and Land Development	91,286		27,056		21,461		344		140,147
Residential	148,309		4,814		16,419		1,492		171,034
Consumer & Other	11,112		9		—		—		11,121
Total	$	1,616,434	$	178,653	$	96,228	$	5,759	$	1,897,074

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Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2012

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Following are the financial results for the Company’s operating segments.

(in thousands)	Banking			Wealth Management			Corporate and Intercompany			Total
Balance Sheet Information	June 30, 2012
Portfolio loans	$	2,191,482		$	—		$	—		$	2,191,482
Goodwill	30,334			—			—			30,334
Intangibles, net	8,310			—			—			8,310
Deposits	2,588,377			32,897			(17,001		)	2,604,273
Borrowings	164,895			60,584			82,581			308,060
Total assets	3,063,807			98,668			20,659			3,183,134
	December 31, 2011
Portfolio loans	$	2,197,684		$	—		$	—		$	2,197,684
Goodwill	30,334			—			—			30,334
Intangibles, net	9,285			—			—			9,285
Deposits	2,773,482			39,440			(21,569		)	2,791,353
Borrowings	213,480			45,565			82,581			341,626
Total assets	3,278,328			90,068			9,383			3,377,779
Income Statement Information	Three months ended June 30, 2012
Net interest income (expense)	$	35,208		$	(186	)	$	(889	)	$	34,133
Provision for loan losses	281			—			—			281
Noninterest income	(1,738		)	2,577			6			845
Noninterest expense	18,304			1,919			1,191			21,414
Income (loss) before income tax expense (benefit)	14,885			472			(2,074		)	13,283
	Three months ended June 30, 2011
Net interest income (expense)	$	32,351		$	(316	)	$	(1,031	)	$	31,004
Provision for loan losses	4,575			—			—			4,575
Noninterest income	1,539			2,644			35			4,218
Noninterest expense	15,285			1,972			767			18,024
Income (loss) before income tax expense (benefit)	14,030			356			(1,763		)	12,623
Income Statement Information	Six months ended June 30, 2012
Net interest income (expense)	$	67,018		$	(314	)	$	(1,942	)	$	64,762
Provision for loan losses	4,284			—			—			4,284
Noninterest income	153			4,630			45			4,828
Noninterest expense	36,362			3,792			2,624			42,778
Income (loss) before income tax expense (benefit)	26,525			524			(4,521		)	22,528
	Six months ended June 30, 2011
Net interest income (expense)	$	56,407		$	(638	)	$	(2,057	)	$	53,712
Provision for loan losses	8,175			—			—			8,175
Noninterest income	4,616			4,482			83			9,181
Noninterest expense	30,265			3,818			1,906			35,989
Income (loss) before income tax expense (benefit)	22,583			26			(3,880		)	18,729

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Fair Value Measurements - Fair Value Measurements, Nonrecurring (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Change in Fair Value, Gains (Losses) in Period	$ (2,749)	$ (6,519)
Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Change in Fair Value, Gains (Losses) in Period	(1,971)	(4,705)
Other real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Change in Fair Value, Gains (Losses) in Period	(778)	(1,814)
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	0	0
Total	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	0	0
Total	0	0
Significant Other Observable Inputs (Level 2) | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	14,291	14,291
Total	28,569	28,569
Significant Unobservable Inputs (Level 3) | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	14,278	14,278
Total Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	14,291	14,291
Total	28,569	28,569
Total Fair Value | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 14,278	$ 14,278

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Portfolio Loans Covered by Loss Share (Covered loans) - Summary of Covered Loans by Category (Details) (Covered Loans, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Covered Loans [Line Items]
Recorded Investment Covered Loans	$ 242,488	$ 300,610
Real Estate Loans
Covered Loans [Line Items]
Recorded Investment Covered Loans	212,077	261,012
Real Estate Loans | Construction and Land Development
Covered Loans [Line Items]
Weighted-Average Risk Rating	7.14	7.22
Recorded Investment Covered Loans	40,023	65,990
Real Estate Loans | Commercial Real Estate Investor Owned
Covered Loans [Line Items]
Weighted-Average Risk Rating	5.99	6.12
Recorded Investment Covered Loans	69,332	75,093
Real Estate Loans | Commercial Real Estate Owner Occupied
Covered Loans [Line Items]
Weighted-Average Risk Rating	6.42	6.03
Recorded Investment Covered Loans	51,096	63,101
Real Estate Loans | Residential Real Estate
Covered Loans [Line Items]
Weighted-Average Risk Rating	5.45	4.81
Recorded Investment Covered Loans	51,626	56,828
Commercial and industrial
Covered Loans [Line Items]
Weighted-Average Risk Rating	6.92	6.61
Recorded Investment Covered Loans	28,634	36,423
Consumer & other
Covered Loans [Line Items]
Weighted-Average Risk Rating	4.25	4.14
Recorded Investment Covered Loans	$ 1,777	$ 3,175

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Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 8,766	$ 8,273	$ 14,951	$ 12,385
Other comprehensive income, net of tax:
Unrealized gain on investment securities arising during the period, net of tax	1,482	4,101	3,278	5,058
Less reclassification adjustment for realized gain on sale of securities included in net income, net of tax	(86)	(324)	(740)	(435)
Reclassification of cash flow hedge, net of tax	0	(28)	0	(56)
Total other comprehensive income	1,396	3,749	2,538	4,567
Total comprehensive income	$ 10,162	$ 12,022	$ 17,489	$ 16,952

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Earnings Per Share

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

Basic earnings per common share data is calculated by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Common shares outstanding include common stock and restricted stock awards where recipients have satisfied the vesting terms. Diluted earnings per common share gives effect to all dilutive potential common shares outstanding during the period using the treasury stock method and the if-converted method for convertible securities related to the issuance of trust preferred securities.

The following table presents a summary of per common share data and amounts for the periods indicated.

	Three months ended June 30,						Six months ended June 30,
(in thousands, except per share data)	2012			2011			2012			2011
Net income as reported	$	8,766		$	8,273		$	14,951		$	12,385
Preferred stock dividend	(438		)	(438		)	(875		)	(875		)
Accretion of preferred stock discount	(206		)	(192		)	(410		)	(381		)
Net income available to common shareholders	$	8,122		$	7,643		$	13,666		$	11,129
Impact of assumed conversions
Interest on 9% convertible trust preferred securities, net of income tax	371			371			742			742
Net income available to common shareholders and assumed conversions	$	8,493		$	8,014		$	14,408		$	11,871
Weighted average common shares outstanding	17,833			17,140			17,808			15,601
Incremental shares from assumed conversions of convertible trust preferred securities	1,439			1,439			1,439			1,439
Additional dilutive common stock equivalents	14			23			32			20
Diluted common shares outstanding	19,286			18,602			19,279			17,060
Basic earnings per common share:	$	0.46		$	0.45		$	0.77		$	0.71
Diluted earnings per common share:	$	0.44		$	0.43		$	0.75		$	0.70

For the three months ended June 30, 2012 and 2011, the amount of common stock equivalents that were excluded from the earnings per share calculations because their effect was anti-dilutive was 1.1 million (including 324,074 common stock warrants) and 782,266 common stock equivalents (including 324,074 common stock warrants), respectively. For the six months ended June 30, 2012 and 2011, the amount of common stock equivalents that were excluded from the earnings per share calculations because their effect was anti-dilutive was 1.0 million (including 324,074 common stock warrants) and 925,049 (including 324,074 common stock warrants), respectively.

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Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share [Abstract]
Net income as reported	$ 8,766	$ 8,273	$ 14,951	$ 12,385
Preferred stock dividend	(438)	(438)	(875)	(875)
Accretion of preferred stock discount	(206)	(192)	(410)	(381)
Net income available to common shareholders	8,122	7,643	13,666	11,129
Impact of assumed conversions
Interest on 9% convertible trust preferred securities, net of income tax	371	371	742	742
Net income available to common shareholders and assumed conversions	$ 8,493	$ 8,014	$ 14,408	$ 11,871
Weighted average common shares outstanding (in shares)	17,833,000	17,140,000	17,808,000	15,601,000
Incremental shares from assumed conversions of convertible trust preferred securities (in shares)	1,439,000	1,439,000	1,439,000	1,439,000
Additional dilutive common stock equivalents (in shares)	14,000	23,000	32,000	20,000
Diluted common shares outstanding (in shares)	19,286,000	18,602,000	19,279,000	17,060,000
Basic earnings per common share: (in dollars per share)	$ 0.46	$ 0.45	$ 0.77	$ 0.71
Diluted earnings per common share: (in dollars per share)	$ 0.44	$ 0.43	$ 0.75	$ 0.70
Antidilutive Securities Excluded from Computation of Earnings Per Share
Common stock equivalents excluded from earnings per share calculations due to anti-dilutive effect (in shares)	1,100,000	782,266	1,000,000	925,049
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share
Common stock equivalents excluded from earnings per share calculations due to anti-dilutive effect (in shares)	324,074	324,074	324,074	324,074
Convertible Debt Securities
Debt Instrument, Interest Rate, Stated Percentage [Abstract]
Convertible trust preferred securities, interest rate, stated percentage	9.00%	9.00%	9.00%	9.00%

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Portfolio Loans Not Covered by Loss Share ("Non-covered") - Summary of Recorded Investment by Category of Non-covered Loans Restructured and Subsequently Defaulted (Details) (Non-Covered Loans, USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012 loan	Jun. 30, 2012 loan
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	1
Recorded Balance	$ 0	$ 16
Commercial & Industrial
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	1
Recorded Balance	0	16
Real Estate | Commercial - Owner Occupied
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Recorded Balance	0	0
Real Estate | Commercial - Investor Owned
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Recorded Balance	0	0
Real Estate | Construction and Land Development
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Recorded Balance	0	0
Real Estate | Residential
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Recorded Balance	0	0
Consumer & Other
Schedule of Financing Receivables, Troubled Debt Restructurings - Suibsequent Defaults [Line Items]
Number of Loans	0	0
Recorded Balance	$ 0	$ 0

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Investments (Tables)

6 Months Ended

Jun. 30, 2012

Investments [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The following table presents the amortized cost, gross unrealized gains and losses and fair value of securities available-for-sale:

	June 30, 2012
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	119,467	$	2,177	$	—		$	121,644
Obligations of states and political subdivisions	41,070		2,056		(390		)	42,736
Residential mortgage-backed securities	429,351		6,225		(220		)	435,356
	$	589,888	$	10,458	$	(610	)	$	599,736
	December 31, 2011
(in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for sale securities:
Obligations of U.S. Government sponsored enterprises	$	126,305	$	678	$	(66	)	$	126,917
Obligations of states and political subdivisions	38,489		1,729		(381		)	39,837
Residential mortgage-backed securities	422,761		5,269		(1,602		)	426,428
	$	587,555	$	7,676	$	(2,049	)	$	593,182

Investments Classified by Contractual Maturity Date

(in thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	2,257	$	2,284
Due after one year through five years	113,163		115,615
Due after five years through ten years	40,811		42,347
Due after ten years	4,306		4,134
Mortgage-backed securities	429,351		435,356
	$	589,888	$	599,736

Schedule of Unrealized Loss on Investments

The following table represents a summary of available-for-sale investment securities that had an unrealized loss:

	June 30, 2012
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of the state and political subdivisions	$	3,298	$	33	$	3,043	$	357	$	6,341	$	390
Residential mortgage-backed securities	60,461		220		—		—		60,461		220
	$	63,759	$	253	$	3,043	$	357	$	66,802	$	610
	December 31, 2011
	Less than 12 months				12 months or more				Total
(in thousands)	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. government sponsored enterprises	$	23,389	$	66	$	—	$	—	$	23,389	$	66
Obligations of the state and political subdivisions	1,503		8		3,027		373		4,530		381
Residential mortgage-backed securities	86,954		1,598		4,203		4		91,157		1,602
	$	111,846	$	1,672	$	7,230	$	377	$	119,076	$	2,049

Schedule of Realized Gain (Loss)

The gross gains and gross losses realized from sales of available-for-sale investment securities were as follows:

	Three months ended June 30,					Six months ended June 30,
(in thousands)	2012			2011		2012			2011
Gross gains realized	$	324		$	506	$	1,399		$	680
Gross losses realized	(190		)	—		(243		)	—
Proceeds from sales	46,400			30,123		110,876			35,423