10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended June 30, 2015

OR

o 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: 0-12247

SOUTHSIDE BANCSHARES, INC.

(Exact name of registrant as specified in its charter)

TEXAS	75-1848732
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1201 S. Beckham Avenue, Tyler, Texas	75701
(Address of principal executive offices)	(Zip Code)

903-531-7111

(Registrant's telephone number, including area code)

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

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

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

Large accelerated filer o	Accelerated filer x
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 o  No x

The number of shares of the issuer's common stock, par value $1.25, outstanding as of August 7, 2015 was 25,357,855 shares.

TABLE OF CONTENTS

PART I.  FINANCIAL INFORMATION
ITEM 1.  FINANCIAL STATEMENTS	1
ITEM 2.  MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	41
ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	61
ITEM 4.  CONTROLS AND PROCEDURES	62
PART II.  OTHER INFORMATION
ITEM 1.  LEGAL PROCEEDINGS	63
ITEM 1A.  RISK FACTORS	63
ITEM 2.  UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	63
ITEM 3.  DEFAULTS UPON SENIOR SECURITIES	63
ITEM 4.  MINE SAFETY DISCLOSURES	63
ITEM 5.  OTHER INFORMATION	63
ITEM 6.  EXHIBITS	63
SIGNATURES	64
EXHIBIT INDEX	65
EXHIBIT 31.1 – CERTIFICATION PURSUANT TO SECTION 302
EXHIBIT 31.2 – CERTIFICATION PURSUANT TO SECTION 302
EXHIBIT 32 – CERTIFICATION PURSUANT TO SECTION 906

PART I.   FINANCIAL INFORMATION

ITEM 1.   FINANCIAL STATEMENTS

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS (UNAUDITED) (in thousands, except share amounts)
	June 30, 2015			December 31, 2014
ASSETS
Cash and due from banks	$	50,406		$	64,001
Interest earning deposits	26,623			20,654
Total cash and cash equivalents	77,029			84,655
Investment securities:
Available for sale, at estimated fair value	371,019			306,706
Held to maturity, at carrying value (estimated fair value of $391,191 and $400,248, respectively)	387,212			388,823
Mortgage-backed securities:
Available for sale, at estimated fair value	1,094,802			1,142,002
Held to maturity, at carrying value (estimated fair value of $362,283 and $261,339, respectively)	356,669			253,496
FHLB stock, at cost	37,769			39,942
Other investments	5,350			3,929
Loans held for sale	7,431			2,899
Loans:
Loans	2,179,863			2,181,133
Less:  Allowance for loan losses	(16,822		)	(13,292		)
Net Loans	2,163,041			2,167,841
Premises and equipment, net	110,493			112,860
Goodwill	90,571			91,372
Other intangible assets, net	7,654			8,844
Interest receivable	22,666			22,436
Deferred tax asset	18,906			12,707
Unsettled trades to sell securities	—			57,202
Bank owned life insurance	93,673			92,384
Other assets	11,733			19,163
TOTAL ASSETS	$	4,856,018		$	4,807,261
LIABILITIES AND SHAREHOLDERS’ EQUITY
Deposits:
Noninterest bearing	$	715,966		$	661,014
Interest bearing	2,752,717			2,713,403
Total deposits	3,468,683			3,374,417
Short-term obligations:
Federal funds purchased and repurchase agreements	2,084			4,237
FHLB advances	282,699			297,368
Total short-term obligations	284,783			301,605
Long-term obligations:
FHLB advances	572,254			600,052
Long-term debt	60,311			60,311
Total long-term obligations	632,565			660,363
Unsettled trades to purchase securities	3,453			5,982
Other liabilities	34,860			39,651
TOTAL LIABILITIES	4,424,344			4,382,018
Off-Balance-Sheet Arrangements, Commitments and Contingencies (Note 12)
Shareholders' equity:
Common stock ($1.25 par, 40,000,000 shares authorized, 27,821,074 shares issued at June 30, 2015 and 26,578,127 shares issued at December 31, 2014)	34,776			33,223
Paid-in capital	422,392			389,886
Retained earnings	31,871			55,396
Treasury stock (2,469,638 shares at cost)	(37,692		)	(37,692		)
Accumulated other comprehensive loss	(19,673		)	(15,570		)
TOTAL SHAREHOLDERS' EQUITY	431,674			425,243
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	4,856,018		$	4,807,261

The accompanying notes are an integral part of these consolidated financial statements.

1

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (in thousands, except per share data)
	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Interest income
Loans	$	23,887	$	18,305	$	47,803	$	36,668
Investment securities – taxable	459		143		696		266
Investment securities – tax-exempt	5,644		6,021		11,509		11,979
Mortgage-backed securities	7,666		7,557		16,128		15,239
FHLB stock and other investments	65		38		158		108
Other interest earning assets	29		22		63		65
Total interest income	37,750		32,086		76,357		64,325
Interest expense
Deposits	2,493		1,984		5,022		4,100
Short-term obligations	154		56		296		127
Long-term obligations	2,198		2,190		4,343		4,350
Total interest expense	4,845		4,230		9,661		8,577
Net interest income	32,905		27,856		66,696		55,748
Provision for loan losses	268		2,650		4,116		6,783
Net interest income after provision for loan losses	32,637		25,206		62,580		48,965
Noninterest income
Deposit services	4,920		3,794		9,909		7,432
Net gain on sale of securities available for sale	105		498		2,581		509
Gain on sale of loans	822		81		1,199		161
Trust income	820		762		1,713		1,542
Bank owned life insurance income	653		307		1,322		621
Other	1,099		1,073		2,743		2,056
Total noninterest income	8,419		6,515		19,467		12,321
Noninterest expense
Salaries and employee benefits	16,869		13,092		35,068		26,194
Occupancy expense	2,593		1,786		6,052		3,540
Advertising, travel & entertainment	683		605		1,340		1,148
ATM and debit card expense	750		302		1,429		619
Professional fees	793		1,304		1,535		2,231
Software and data processing expense	1,237		486		2,268		987
Telephone and communications	603		320		1,072		598
FDIC insurance	629		434		1,267		882
Other	3,768		2,097		7,603		4,409
Total noninterest expense	27,925		20,426		57,634		40,608
Income before income tax expense	13,131		11,295		24,413		20,678
Income tax expense	1,967		838		3,870		1,997
Net income	$	11,164	$	10,457	$	20,543	$	18,681
Earnings per common share – basic	$	0.44	$	0.53	$	0.81	$	0.94
Earnings per common share – diluted	$	0.44	$	0.53	$	0.81	$	0.94
Dividends paid per common share	$	0.23	$	0.21	$	0.46	$	0.42

The accompanying notes are an integral part of these consolidated financial statements.

2

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (in thousands)
	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Net income	$	11,164		$	10,457		$	20,543		$	18,681
Other comprehensive income:
Net unrealized holding (losses) gains on available for sale securities during the period	(14,915		)	8,308			(5,395		)	18,319
Change in net unrealized loss on securities transferred to held to maturity	244			278			526			554
Reclassification adjustment for net gain on sale of available for sale securities, included in net income	(105		)	(498		)	(2,581		)	(509		)
Amortization of net actuarial loss, included in net periodic benefit cost	614			289			1,145			521
Amortization of prior service credit, included in net periodic benefit cost	(4		)	(4		)	(8		)	(7		)
Other comprehensive (loss) income, before tax	(14,166		)	8,373			(6,313		)	18,878
Income tax benefit (expense) related to other items of comprehensive income	4,959			(2,930		)	2,210			(6,607		)
Other comprehensive (loss) income, net of tax	(9,207		)	5,443			(4,103		)	12,271
Comprehensive income	$	1,957		$	15,900		$	16,440		$	30,952

The accompanying notes are an integral part of these consolidated financial statements.

3

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (in thousands, except share and per share data)
	Common Stock		Paid In Capital		Retained Earnings			Treasury Stock			Accumulated Other Comprehensive Income (Loss)			Total Shareholders' Equity
Balance at December 31, 2013	$	25,483	$	214,091	$	78,673		$	(37,692	)	$	(21,037	)	$	259,518
Net income	—		—		18,681			—			—			18,681
Other comprehensive income	—		—		—			—			12,271			12,271
Issuance of common stock (18,265 shares)	23		500		—			—			—			523
Stock compensation expense	—		577		—			—			—			577
Tax benefits related to stock awards	—		38		—			—			—			38
Net issuance of common stock under employee stock plans	14		158		(103		)	—			—			69
Cash dividends paid on common stock ($0.42 per share)	—		—		(7,717		)	—			—			(7,717		)
Stock dividend declared	1,124		24,941		(26,065		)	—			—			—
Balance at June 30, 2014	$	26,644	$	240,305	$	63,469		$	(37,692	)	$	(8,766	)	$	283,960
Balance at December 31, 2014	$	33,223	$	389,886	$	55,396		$	(37,692	)	$	(15,570	)	$	425,243
Net income	—		—		20,543			—			—			20,543
Other comprehensive loss	—		—		—			—			(4,103		)	(4,103		)
Issuance of common stock (21,499 shares)	26		587		—			—			—			613
Stock compensation expense	—		567		—			—			—			567
Tax benefits related to stock awards	—		32		—			—			—			32
Net issuance of common stock under employee stock plans	15		157		(21		)	—			—			151
Cash dividends paid on common stock ($0.46 per share)	—		—		(11,372		)	—			—			(11,372		)
Stock dividend declared	1,512		31,163		(32,675		)	—			—			—
Balance at June 30, 2015	$	34,776	$	422,392	$	31,871		$	(37,692	)	$	(19,673	)	$	431,674

The accompanying notes are an integral part of these consolidated financial statements.

4

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOW (UNAUDITED) (in thousands)
	Six Months Ended
	June 30,
	2015			2014
OPERATING ACTIVITIES:
Net income	$	20,543		$	18,681
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	4,052			1,615
Amortization of premium	14,286			10,750
Accretion of discount and loan fees	(4,373		)	(1,971		)
Provision for loan losses	4,116			6,783
Stock compensation expense	567			577
Deferred tax benefit	(2,019		)	(1,361		)
Tax benefit related to stock awards	(32		)	(42		)
Net gain on sale of securities available for sale	(2,581		)	(509		)
Net loss (gain) on premises and equipment	137			(7		)
Net loss on other real estate owned	382			65
Net change in:
Interest receivable	(230		)	1,461
Other assets	2,070			(1,459		)
Interest payable	(52		)	(40		)
Other liabilities	(3,601		)	3,356
Loans originated for sale	(4,532		)	(604		)
Net cash provided by operating activities	28,733			37,295
INVESTING ACTIVITIES:
Securities held to maturity:
Purchases	(56,752		)	—
Maturities, calls and principal repayments	11,411			14,797
Securities available for sale:
Purchases	(528,964		)	(327,668		)
Sales	336,136			252,696
Maturities, calls and principal repayments	158,022			153,637
Proceeds from redemption of FHLB stock	5,692			8,938
Purchases of FHLB stock and other investments	(3,594		)	(384		)
Net loans originated	1,235			(49,047		)
Purchases of premises and equipment	(1,828		)	(2,878		)
Proceeds from sales of premises and equipment	6			8
Proceeds from sales of other real estate owned	634			275
Proceeds from sales of repossessed assets	1,619			3,268
Net cash (used in) provided by investing activities	(76,383		)	53,642
(continued)

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SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOW (UNAUDITED) (continued) (in thousands)
	Six Months Ended
	June 30,
	2015			2014
FINANCING ACTIVITIES:
Net increase in demand and savings accounts	80,540			157,322
Net increase (decrease) in certificates of deposit	14,368			(83,711		)
Net (decrease) increase in federal funds purchased and repurchase agreements	(2,153		)	1,198
Proceeds from FHLB advances	8,447,303			6,267,018
Repayment of FHLB advances	(8,489,458		)	(6,325,689		)
Tax benefit related to stock awards	32			42
Net issuance of common stock under employee stock plan	151			69
Proceeds from the issuance of common stock	613			523
Cash dividends paid	(11,372		)	(7,717		)
Net cash provided by financing activities	40,024			9,055
Net (decrease) increase in cash and cash equivalents	(7,626		)	99,992
Cash and cash equivalents at beginning of period	84,655			54,431
Cash and cash equivalents at end of period	$	77,029		$	154,423
SUPPLEMENTAL DISCLOSURES FOR CASH FLOW INFORMATION:
Interest paid	$	9,713		$	8,617
Income taxes paid	$	2,000		$	3,550
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Loans transferred to other repossessed assets and real estate through foreclosure	$	1,073		$	2,807
Transfer of available for sale securities to held to maturity securities	$	57,724		$	—
Adjustment to pension liability	$	(1,137	)	$	(514	)
5% stock dividend	$	32,675		$	26,065
Unsettled trades to purchase securities	$	(3,453	)	$	(10,269	)
Unsettled trades to sell securities	$	—		$	19,183

The accompanying notes are an integral part of these consolidated financial statements.

6

SOUTHSIDE BANCSHARES, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.    Basis of Presentation

In this report, the words “the Company,” “we,” “us,” and “our” refer to the combined entities of Southside Bancshares, Inc. and its subsidiaries.  The words “Southside” and “Southside Bancshares” refer to Southside Bancshares, Inc.  The words “Southside Bank” and “the Bank” refer to Southside Bank.  “OABC” and “Omni” refer to OmniAmerican Bancorp, Inc.  “SFG” refers to SFG Finance, LLC (formerly Southside Financial Group, LLC), which was a wholly-owned subsidiary of the Bank and was dissolved in April 2015.

The consolidated balance sheet as of June 30, 2015, and the related consolidated statements of income, comprehensive income, changes in shareholders' equity and cash flows and notes to the financial statements for the three- and six-month periods ended June 30, 2015 and 2014 are unaudited; in the opinion of management, all adjustments necessary for a fair statement of such financial statements have been included.  Such adjustments consisted only of normal recurring items.  All significant intercompany accounts and transactions are eliminated in consolidation.  The preparation of these consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires the use of management’s estimates.  These estimates are subjective in nature and involve matters of judgment.  Actual amounts could differ from these estimates.

Certain prior period amounts have been reclassified to conform to current year presentation and had no impact on net income, equity or cash flows.

Interim results are not necessarily indicative of results for a full year.  These financial statements should be read in conjunction with the financial statements and notes thereto in our Annual Report on Form 10-K for the year ended December 31, 2014.  For a description of our significant accounting and reporting policies, refer to "Note 1- Summary of Significant Accounting and Reporting Policies" in our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2014.

On April 13, 2015, our board of directors declared a 5% stock dividend to common stock shareholders of record as of April 27, 2015, which was paid on May 14, 2015. All share data has been adjusted to give retroactive recognition to stock dividends.  

Accounting Pronouncements

In January 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure.” This update clarifies that an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of the residential real estate property collateralizing a consumer mortgage loan, upon either: (i) the creditor obtaining legal title to the property upon completion of the foreclosure; or (ii) the borrower conveying all interest in the property to the creditor to satisfy the loan through completion of a deed-in-lieu of foreclosure or through a similar legal agreement. ASU 2014-04 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).”  This update states that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services.  This update affects entities that enter into contracts with customers to transfer goods or services or enter into contracts for the transfer of nonfinancial assets, unless those contracts are within the scope of other standards.  ASU 2014-09 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2016.  Early adoption is not permitted.  We are reviewing the potential impact the adoption of this guidance will have on our consolidated financial statements.

In June 2014, the FASB issued ASU 2014-11, “Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.”  This update aligns the accounting for repurchase-to-maturity

7

transactions and repurchase agreements executed as a repurchase financing with the accounting for other typical repurchase agreements by accounting for these transactions as secured borrowings.  This update also requires a new disclosure for transactions economically similar to repurchase agreements in which the transferor retains substantially all of the exposure to the economic return of the transferred financial assets throughout the term of the transaction.  ASU 2014-11 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In August 2014, the FASB issued ASU 2014-14, “Receivables - Troubled Debt Restructurings by Creditors (Subtopic 310-40): Classification of Certain Government-Guaranteed Mortgage Loans upon Foreclosure.”  This update affects creditors that hold government-guaranteed mortgage loans, including those guaranteed by the Federal Housing Administration (FHA) of the U.S.  Department of Housing and Urban Development (HUD), and the U.S. Department of Veterans Affairs (VA).  The update requires that, upon foreclosure, a guaranteed mortgage loan be derecognized and a separate other receivable be recognized when specific criteria are met.  ASU 2014-14 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In April 2015, the FASB issued ASU 2015-05, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40) – Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement.” ASU 2015-05 affects the accounting for fees paid by a customer in cloud computing arrangements such as (i) software as a service, (ii) platform as a service (iii) infrastructure as a service and (iv) other similar hosting arrangements. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. ASU 2015-05 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

In May 2015, the FASB issued ASU 2015-07, "Disclosures for Investments in Certain Entities that Calculate Net Asset Value per Share." ASU 2015-07 eliminates the current requirement to categorize within the fair value hierarchy investments whose fair values are measured at net asset value ("NAV"). Instead, entities will be required to disclose the fair values of such investments so that financial statement users can reconcile amounts reported in the fair value hierarchy table and the amounts reported on the balance sheet. ASU 2015-07 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

8

2.    Acquisition

On December 17, 2014, we acquired 100% of the outstanding stock of OmniAmerican Bancorp, Inc. and its wholly-owned subsidiary OmniAmerican Bank (collectively, "Omni") headquartered in Fort Worth, Texas. Omni operated 14 banking offices in Fort Worth, Texas and surrounding areas. We acquired Omni to further expand our presence in the growing Fort Worth market. The operations of Omni were merged into ours as of the date of the acquisition.

The Omni acquisition was accounted for using the purchase method of accounting and accordingly, purchased assets, including identifiable intangible assets, and assumed liabilities were recorded at their respective acquisition date fair values.  The purchase price allocation remains preliminary and is subject to final determination and valuation of the fair value of assets acquired and liabilities assumed. Subsequent to filing our Annual Report on Form 10-K for the year ended December 31, 2014, we continued to evaluate the assets and liabilities assumed.  This evaluation resulted in adjustments to goodwill, consisting primarily of a $1.4 million adjustment to the fair value of Visa Class B stock included in other investments on the consolidated balance sheets, not previously recorded. The impact of the adjustments to goodwill, net of deferred tax, is reflected below. For more information concerning the fair value of the assets acquired and liabilities assumed in relation to the acquisition of Omni, see "Note 2 - Acquisition" in our Annual Report on Form 10-K for the year ended December 31, 2014.

The following table reflects the changes in the carrying amount of our goodwill for the six months ended June 30, 2015 (in thousands):

	Goodwill
Balance as of December 31, 2014	$	91,372
Less: measurement period adjustments	(801		)
Balance as of June 30, 2015	$	90,571

In connection with the integration of our policies and operations, certain loans acquired have been reclassified as of December 31, 2014 to be consistent with our current classification methodology, see “Note 6 - Loans and Allowance for Probable Loan Losses” and “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations - Composition of Loans” in this Quarterly Report on Form 10-Q.

3.     Earnings Per Share

Earnings per share on a basic and diluted basis have been adjusted to give retroactive recognition to stock dividends and is calculated as follows (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic and Diluted Earnings:
Net income	$	11,164	$	10,457	$	20,543	$	18,681
Basic weighted-average shares outstanding	25,337		19,776		25,330		19,769
Add:   Stock awards	88		97		84		93
Diluted weighted-average shares outstanding	25,425		19,873		25,414		19,862
Basic Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94
Diluted Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94

For both the three- and six-month periods ended June 30, 2015, there were approximately 12,000 anti-dilutive shares. For the three- and six-month periods ended June 30, 2014, there were approximately 18,000 and 22,000 anti-dilutive shares, respectively.

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4.     Accumulated Other Comprehensive (Loss) Income

The changes in accumulated other comprehensive (loss) income by component are as follows (in thousands):

	Three Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	11,000		$	4		$	(21,470	)	$	(10,466	)
Other comprehensive loss before reclassifications	(14,671		)	—			—			(14,671		)
Reclassified to income	(105		)	(4		)	614			505
Income tax benefit (expense)	5,172			2			(215		)	4,959
Net current-period other comprehensive (loss) income, net of tax	(9,604		)	(2		)	399			(9,207		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)
	Six Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	6,238		$	7		$	(21,815	)	$	(15,570	)
Other comprehensive loss before reclassifications	(4,869		)	—			—			(4,869		)
Reclassified to income	(2,581		)	(8		)	1,145			(1,444		)
Income tax benefit (expense)	2,608			3			(401		)	2,210
Net current-period other comprehensive (loss) income, net of tax	(4,842		)	(5		)	744			(4,103		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)

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	Three Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(1,977	)	$	(14	)	$	(12,218	)	$	(14,209	)
Other comprehensive income before reclassifications	8,586			—			—			8,586
Reclassified to income	(498		)	(4		)	289			(213		)
Income tax (expense) benefit	(2,830		)	1			(101		)	(2,930		)
Net current-period other comprehensive income (loss), net of tax	5,258			(3		)	188			5,443
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)
	Six Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(8,656	)	$	(12	)	$	(12,369	)	$	(21,037	)
Other comprehensive income before reclassifications	18,873			—			—			18,873
Reclassified to income	(509		)	(7		)	521			5
Income tax (expense) benefit	(6,427		)	2			(182		)	(6,607		)
Net current-period other comprehensive income (loss), net of tax	11,937			(5		)	339			12,271
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)

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The reclassifications out of accumulated other comprehensive loss into net income are presented below (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Unrealized gains and losses on available for sale securities:
Realized net gain on sale of securities (1)	$	105		$	498		$	2,581		$	509
Tax expense	(36		)	(174		)	(903		)	(178		)
Net of tax	69			324			1,678			331
Amortization of pension plan:
Net actuarial loss (2)	$	(614	)	$	(289	)	$	(1,145	)	$	(521	)
Prior service credit (2)	4			4			8			7
Total before tax	(610		)	(285		)	(1,137		)	(514		)
Tax benefit	213			100			398			180
Net of tax	(397		)	(185		)	(739		)	(334		)
Total reclassifications for the period, net of tax	$	(328	)	$	139		$	939		$	(3	)

(1) Listed as net gain on sale of securities available for sale on the consolidated statements of income.

(2) These accumulated other comprehensive income components are included in the computation of net periodic pension cost presented in “Note 8 - Employee Benefit Plans.”

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5.     Securities

The amortized cost, carrying value, and estimated fair value of investment and mortgage-backed securities as of June 30, 2015 and December 31, 2014 are reflected in the tables below (in thousands):

	June 30, 2015
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	101,239	$	198	$	914	$	100,523	$	—	$	—	$	100,523
U.S. Government Agency Debentures	4,845		1		—		4,846		—		—		4,846
State and Political Subdivisions	243,446		5,156		2,182		246,420		—		—		246,420
Other Stocks and Bonds	13,092		111		—		13,203		—		—		13,203
Other Equity Securities	6,058		—		31		6,027		—		—		6,027
Mortgage-backed Securities: (1)
Residential	713,576		13,622		872		726,326		—		—		726,326
Commercial	372,155		874		4,553		368,476		—		—		368,476
Total	$	1,454,411	$	19,962	$	8,552	$	1,465,821	$	—	$	—	$	1,465,821
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	391,784	$	5,193	$	9,765	$	387,212	$	6,613	$	2,634	$	391,191
Mortgage-backed Securities: (1)
Residential	41,215		—		61		41,154		2,602		—		43,756
Commercial	320,144		1,315		5,944		315,515		4,989		1,977		318,527
Total	$	753,143	$	6,508	$	15,770	$	743,881	$	14,204	$	4,611	$	753,474

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	December 31, 2014
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	14,883	$	30	$	7	$	14,906	$	—	$	—	$	14,906
U.S. Government Agency Debentures	4,835		—		7		4,828		—		—		4,828
State and Political Subdivisions	260,535		8,055		906		267,684		—		—		267,684
Other Stocks and Bonds	13,086		153		—		13,239		—		—		13,239
Other Equity Securities	6,061		—		12		6,049		—		—		6,049
Mortgage-backed Securities:(1)
Residential	952,481		12,624		807		964,298		—		—		964,298
Commercial	176,112		1,743		151		177,704		—		—		177,704
Total	$	1,427,993	$	22,605	$	1,890	$	1,448,708	$	—	$	—	$	1,448,708
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	393,525	$	5,168	$	9,870	$	388,823	$	12,181	$	756	$	400,248
Mortgage-backed Securities:(1)
Residential	52,287		—		70		52,217		2,871		—		55,088
Commercial	207,624		—		6,345		201,279		5,461		489		206,251
Total	$	653,436	$	5,168	$	16,285	$	642,319	$	20,513	$	1,245	$	661,587

(1) All mortgage-backed securities issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

From time to time, the Company may transfer securities from available for sale (“AFS”) to held to maturity (“HTM”) due to overall balance sheet strategies. Our management has the current intent and ability to hold the transferred securities until maturity. Any net unrealized gain or loss on the transferred securities included in accumulated other comprehensive income at the time of transfer will be amortized over the remaining life of the underlying security as an adjustment of the yield on those securities. AFS securities transferred with losses included in accumulated other comprehensive income continue to be included in management’s assessment for other-than-temporary impairment for each individual security.

During the second quarter of 2015, the Company transferred commercial mortgage-backed securities with a fair value of $57.7 million from AFS to HTM. The unrealized gain on the securities transferred from AFS to HTM was $1.3 million ($864,000, net of tax) at the date of transfer based on the fair value of the securities on the transfer date.

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The following table represents the unrealized loss on securities as of June 30, 2015 and December 31, 2014 (in thousands):

	As of June 30, 2015
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	71,085	$	914	$	—	$	—	$	71,085	$	914
State and Political Subdivisions	93,099		1,178		26,796		1,004		119,895		2,182
Other Equity Securities	6,027		31		—		—		6,027		31
Mortgage-backed Securities:
Residential	139,161		849		8,329		23		147,490		872
Commercial	265,182		4,553		—		—		265,182		4,553
Total	$	574,554	$	7,525	$	35,125	$	1,027	$	609,679	$	8,552
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	119,415	$	986	$	56,247	$	1,648	$	175,662	$	2,634
Mortgage-backed Securities:
Commercial	137,569		1,885		6,516		92		144,085		1,977
Total	$	256,984	$	2,871	$	62,763	$	1,740	$	319,747	$	4,611
	As of December 31, 2014
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	4,968	$	7	$	—	$	—	$	4,968	$	7
U.S. Government Agency Debentures	4,828		7		—		—		4,828		7
State and Political Subdivisions	28,155		90		44,269		816		72,424		906
Other Equity Securities	6,049		12		—		—		6,049		12
Mortgage-backed Securities:
Residential	347,777		573		27,632		234		375,409		807
Commercial	21,103		54		10,116		97		31,219		151
Total	$	412,880	$	743	$	82,017	$	1,147	$	494,897	$	1,890
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	7,843	$	31	$	64,946	$	725	$	72,789	$	756
Mortgage-backed Securities:
Commercial	—		—		44,144		489		44,144		489
Total	$	7,843	$	31	$	109,090	$	1,214	$	116,933	$	1,245

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We review those securities in an unrealized loss position for significant differences between fair value and the cost basis to evaluate if a classification of other-than-temporary impairment is warranted. In estimating other-than-temporary impairment losses, management considers, among other things, the length of time and the extent to which the fair value has been less than cost and the financial condition and near-term prospects of the issuer.  The Company considers an other-than-temporary impairment to have occurred when there is an adverse change in expected cash flows.  When it is determined that a decline in fair value of HTM and AFS securities is other-than-temporary, the carrying value of the security is reduced to its estimated fair value, with a corresponding charge to earnings for the credit portion and the noncredit portion to other comprehensive income. Based upon the length of time and the extent to which fair value is less than cost, we believe the securities with an unrealized loss do not have other-than-temporary impairment at June 30, 2015.

The majority of the unrealized loss positions are comprised of highly rated municipal securities and U.S. Agency mortgage- backed securities (“MBS”) where the unrealized loss is a direct result of the change in interest rates and spreads. For those securities in an unrealized loss position, we do not currently intend to sell the securities and it is not more likely than not that we will be required to sell the security before the anticipated recovery of its amortized cost basis. To the best of management’s knowledge and based on our consideration of the qualitative factors associated with each security, there were no securities in our investment and MBS portfolio with an other-than-temporary impairment at June 30, 2015.

Interest income recognized on securities for the periods presented (in thousands):

	Three Months Ended June 30,
	2015		2014
U.S. Treasury	$	345	$	41
U.S. Government Agency Debentures	32		41
State and Political Subdivisions	5,645		6,031
Other Stocks and Bonds	52		51
Other Equity Securities	29		—
Mortgage-backed Securities	7,666		7,557
Total interest income on securities	$	13,769	$	13,721

	Six Months Ended June 30,
	2015		2014
U.S. Treasury	$	461	$	41
U.S. Government Agency Debentures	64		100
State and Political Subdivisions	11,515		12,001
Other Stocks and Bonds	104		103
Other Equity Securities	61		—
Mortgage-backed Securities	16,128		15,239
Total interest income on securities	$	28,333	$	27,484

Of the approximately $2.6 million in net securities gains from the AFS portfolio for the six months ended June 30, 2015, there were $2.7 million in realized gains and $120,000 in realized losses.  Of the $509,000 in net securities gains from the AFS portfolio for the six months ended June 30, 2014, there were $4.6 million in realized gains and $4.1 million in realized losses. There were no sales from the HTM portfolio during the six months ended June 30, 2015 or 2014. We calculate realized gains and losses on sales of securities under the specific identification method.  

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The amortized cost, carrying value and fair value of securities at June 30, 2015, are presented below by contractual maturity.  Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations.  MBS are presented in total by category due to the fact that MBS typically are issued with stated principal amounts, and the securities are backed by pools of mortgages that have loans with varying maturities.  The characteristics of the underlying pool of mortgages, such as fixed-rate or adjustable-rate, as well as prepayment risk, are passed on to the security holder.  The term of a mortgage-backed pass-through security thus approximates the term of the underlying mortgages and can vary significantly due to prepayments.

	June 30, 2015
	Amortized Cost		Fair Value
AVAILABLE FOR SALE	(in thousands)
Investment Securities:
Due in one year or less	$	10,479	$	10,533
Due after one year through five years	26,347		26,786
Due after five years through ten years	150,749		150,286
Due after ten years	175,047		177,387
	362,622		364,992
Mortgage-backed Securities and Other Equity Securities:	1,091,789		1,100,829
Total	$	1,454,411	$	1,465,821

	June 30, 2015
	Carrying Value		Fair Value
HELD TO MATURITY	(in thousands)
Investment Securities:
Due in one year or less	$	1,067	$	1,068
Due after one year through five years	11,205		11,481
Due after five years through ten years	42,863		42,969
Due after ten years	332,077		335,673
	387,212		391,191
Mortgage-backed Securities:	356,669		362,283
Total	$	743,881	$	753,474

Investment securities and MBS with carrying values of $1.10 billion and $1.12 billion were pledged as of June 30, 2015 and December 31, 2014, respectively, to collateralize Federal Home Loan Bank (“FHLB”) advances, repurchase agreements, and public funds or for other purposes as required by law.

Securities with limited marketability, such as FHLB stock and other investments, are carried at cost, which approximates their fair value and are assessed for other-than-temporary impairment.  These securities have no maturity date.

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6.     Loans and Allowance for Probable Loan Losses

Loans in the accompanying consolidated balance sheets are classified as follows (in thousands):

	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	295,633	$	267,830
1-4 Family Residential	683,944		690,895
Other	500,906		468,171
Commercial Loans	228,789		226,460
Municipal Loans	256,492		257,492
Loans to Individuals	214,099		270,285
Total Loans (1)	2,179,863		2,181,133
Less: Allowance for Loan Losses	16,822		13,292
Net Loans	$	2,163,041	$	2,167,841

(1) Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss. The allowance for loan loss recorded on acquired loans for the six months ended June 30, 2015 was not significant.

Real Estate Construction Loans

Our construction loans are collateralized by property located primarily in the market areas we serve. A majority of our construction loans will be owner-occupied upon completion. Construction loans for speculative projects are financed, but these typically have secondary sources of repayment and collateral. Our construction loans have both adjustable and fixed interest rates during the construction period. Construction loans to individuals are typically priced and made with the intention of granting the permanent loan on the property. Speculative and commercial construction loans are subject to underwriting standards similar to that of the commercial portfolio.  Owner occupied 1-4 family residential construction loans are subject to the underwriting standards of the permanent loan.

Real Estate 1-4 Family Residential Loans

Residential loan originations are generated by our loan officers, in-house origination staff, marketing efforts, present customers, walk-in customers and referrals from real estate agents and builders.  We focus our lending efforts primarily on the origination of loans secured by first mortgages on owner-occupied, 1-4 family residences.  Substantially all of our 1-4 family residential loan originations are secured by properties located in or near our market areas.  

Our 1-4 family residential loans generally have maturities ranging from five to 30 years.  These loans are typically fully amortizing with monthly payments sufficient to repay the total amount of the loan.  Our 1-4 family residential loans are made at both fixed and adjustable interest rates.

Underwriting for 1-4 family residential loans includes debt-to-income analysis, credit history analysis, appraised value and down payment considerations. Changes in the market value of real estate can affect the potential losses in the portfolio.

Other Real Estate Loans

Other Real Estate loans primarily include loans collateralized by commercial office buildings, retail, medical facilities and offices, warehouse facilities, hotels and churches. In determining whether to originate commercial real estate loans, we generally consider such factors as the financial condition of the borrower and the debt service coverage of the property. Other real estate loans are made at both fixed and adjustable interest rates for terms generally up to 20 years.

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Commercial Loans

Our commercial loans are diversified loan types including short-term working capital loans for inventory and accounts receivable and short- and medium-term loans for equipment or other business capital expansion.  Management does not consider there to be a concentration of risk in any one industry type, other than the medical industry.  Loans to borrowers in the medical industry include all loan types listed above for commercial loans.  Collateral for these loans varies depending on the type of loan and financial strength of the borrower.  The primary source of repayment for loans in the medical community is cash flow from continuing operations.

In our commercial loan underwriting, we assess the creditworthiness, ability to repay, and the value and liquidity of the collateral being offered.  Terms of commercial loans are generally commensurate with the useful life of the collateral offered.

Municipal Loans

We have a specific lending department that makes loans to municipalities and school districts throughout the state of Texas.  The majority of the loans to municipalities and school districts have tax or revenue pledges and in some cases are additionally supported by collateral.  Municipal loans made without a direct pledge of taxes or revenues are usually made based on some type of collateral that represents an essential service.  

Loans to Individuals

Substantially all originations of our loans to individuals are made to consumers in our market areas.  The majority of loans to individuals are collateralized by titled equipment, which are primarily automobiles. Loan terms vary according to the type and value of collateral, length of contract and creditworthiness of the borrower.  The underwriting standards we employ for consumer loans include an application, a determination of the applicant's payment history on other debts, with the greatest weight being given to payment history with us, and an assessment of the borrower's ability to meet existing obligations and payments on the proposed loan.  Although creditworthiness of the applicant is a primary consideration, the underwriting process also includes a comparison of the value of the collateral, if any, in relation to the proposed loan amount. Most of our loans to individuals are collateralized, which management believes should assist in limiting our exposure.

On October 3, 2014, we announced that we intended to sell all of our subprime automobile loans purchased through SFG, as well as the repossessed assets held by SFG.  During the fourth quarter of  2014, the sale of the subprime automobile loans and repossessed assets held by SFG was completed.  As a result, the carrying amount of SFG loans totaling $70.3 million were sold and were therefore not included in our loan portfolio as of December 31, 2014. There have been no subsequent loan pool purchases through SFG since December 2014 and there will be no additional loan pool purchases through SFG. For the six months ended June 30, 2014, SFG purchased loan pools of approximately $30.4 million, net of discount.

Allowance for Loan Losses

The allowance for loan losses is based on the most current review of the loan portfolio and is a result of multiple processes.  First, the bank utilizes historical data to establish general reserve amounts for each class of loans. The historical charge off figure is further adjusted through qualitative factors that include general trends in past dues, nonaccruals and classified loans to more effectively and promptly react to both positive and negative movements. Second, our lenders have the primary responsibility for identifying problem loans based on customer financial stress and underlying collateral.  These recommendations are reviewed by senior loan administration, the special assets department, and the loan review department.  Third, the loan review department independently reviews the portfolio on an annual basis.  The loan review department follows a board-approved annual loan review scope.  The loan review scope encompasses a number of considerations including the size of the loan, the type of credit extended, the seasoning of the loan and the performance of the loan.  The loan review scope, as it relates to size, focuses more on larger dollar loan relationships, typically, for example, aggregate debt of $500,000 or greater.  The loan review officer also reviews specific reserves compared to general reserves to determine trends in comparative reserves as well as losses not reserved for prior to charge-off to determine the effectiveness of the specific reserve process.

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At each review, a subjective analysis methodology is used to grade the respective loan.  Categories of grading vary in severity from loans that do not appear to have a significant probability of loss at the time of review to loans that indicate a probability that the entire balance of the loan will be uncollectible.  If full collection of the loan balance appears unlikely at the time of review, estimates of future expected cash flows or appraisals of the collateral securing the debt are used to determine the necessary allowances.  The internal loan review department maintains a list of all loans or loan relationships that are graded as having more than the normal degree of risk associated with them. In addition, a list of specifically reserved loans or loan relationships of $150,000 or more is updated on a quarterly basis in order to properly determine necessary allowances and keep management informed on the status of attempts to correct the deficiencies noted with respect to the loan.

We calculate historical loss ratios for pools of similar loans with similar characteristics based on the proportion of actual charge-offs experienced to the total population of loans in the pool. The historical gross loss ratios are updated based on actual charge-off experience quarterly and adjusted for qualitative factors. Our pools of similar loans include consumer loans and loans secured by 1-4 residential family loans.

Prior to September 30, 2014, SFG loans included in loans to individuals that experienced past due status or extension of maturity characteristics were reserved for at higher levels based on the circumstances associated with each specific loan.  In general, the reserves for SFG were calculated based on the past due status of the loan.  For reserve purposes, the portfolio was segregated by past due status and by the remaining term variance from the original contract.  During repayment, loans that paid late took longer to repay than the original contract.  Additionally, some loans may have been granted extensions for extenuating payment circumstances and evaluated for troubled debt classification.  The remaining term extensions increased the risk of collateral deterioration and, accordingly, reserves were increased to recognize this risk.

Industry and our own experience indicates that a portion of our loans will become delinquent and a portion of the loans will require partial or full charge-off.  Regardless of the underwriting criteria utilized, losses may be experienced as a result of various factors beyond our control, including, among other things, changes in market conditions affecting the value of properties used as collateral for loans and problems affecting the credit of the borrower and the ability of the borrower to make payments on the loan.  Our determination of the appropriateness of the allowance for loan losses is based on various considerations, including an analysis of the risk characteristics of various classifications of loans, previous loan loss experience, specific loans which would have loan loss potential, delinquency trends, estimated fair value of the underlying collateral, current economic conditions, and geographic and industry loan concentration.

Credit Quality Indicators

We categorize loans into risk categories on an ongoing basis based on relevant information about the ability of borrowers to service their debt such as:  current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors.  We use the following definitions for risk ratings:

• Pass (Rating 1 – 4) – This rating is assigned to all satisfactory loans.  This category, by definition, consists of acceptable credit.  Credit and collateral exceptions should not be present, although their presence would not necessarily prohibit a loan from being rated Pass, if deficiencies are in process of correction.  These loans are not included in the Watch List.

• Pass Watch (Rating 5) – These loans require some degree of special treatment, but not due to credit quality.  This category does not include loans specially mentioned or adversely classified; however, particular attention must be accorded such credits due to characteristics such as:

◦ A lack of, or abnormally extended payment program;

◦ A heavy degree of concentration of collateral without sufficient margin;

◦ A vulnerability to competition through lesser or extensive financial leverage; and

◦ A dependence on a single or few customers or sources of supply and materials without suitable substitutes or alternatives.

• Special Mention (Rating 6) – A Special Mention asset has potential weaknesses that deserve management’s close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment

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prospects for the asset or in the institution’s credit position at some future date.  Special Mention assets are not adversely classified and do not expose an institution to sufficient risk to warrant adverse classification.

• Substandard (Rating 7) – Substandard loans are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any.  Loans so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt.  They are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not corrected.

• Doubtful (Rating 8) – Loans classified as Doubtful have all the weaknesses inherent in those classified Substandard with the added characteristic that the weaknesses make collection or liquidation, in full, on the basis of currently known facts, conditions and values, highly questionable and improbable.

All accruing loans are reserved for as a group of similar type credits and included in the general portion of the allowance for loan losses. Loans to individuals and 1-4 family residential loans, including loans not accruing, are collectively evaluated and included in the general portion of the allowance for loan losses. All loans considered troubled debt restructurings ("TDR") are evaluated individually for further impairment.

The general portion of the loan loss allowance is reflective of historical charge-off levels for similar loans adjusted for changes in current conditions and other relevant factors.  These factors are likely to cause estimated losses to differ from historical loss experience and include:

• Changes in lending policies or procedures, including underwriting, collection, charge-off, and recovery procedures;

• Changes in local, regional and national economic and business conditions, including entry into new markets;

• Changes in the volume or type of credit extended;

• Changes in the experience, ability, and depth of lending management;

• Changes in the volume and severity of past due, nonaccrual, restructured, or classified loans;

• Changes in charge-off trends;

• Changes in loan review or Board oversight;

• Changes in the level of concentrations of credit; and

• Changes in external factors, such as competition and legal and regulatory requirements.

These factors are also considered for the Omni purchased portfolio specifically in regards to changes in past due, nonaccrual and charge-off trends.

The following table details activity in the allowance for loan losses by portfolio segment for the periods presented (in thousands):

	Three Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period	$	2,774	$	3,400		$	3,360	$	5,316		$	824	$	1,252		$	16,926
Provision (reversal) for loan losses	86		93			162		(308		)	9		226			268
Loans charged off	—		(40		)	—		(50		)	—		(803		)	(893		)
Recoveries of loans charged off	49		15			7		55			—		395			521
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

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	Six Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period (1)	$	2,456	$	2,822		$	3,025	$	3,279		$	716	$	994		$	13,292
Provision (reversal) for loan losses	361		666			431		1,757			117		784			4,116
Loans charged off	—		(46		)	—		(107		)	—		(1,826		)	(1,979		)
Recoveries of loans charged off	92		26			73		84			—		1,118			1,393
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

(1) Loans acquired with the Omni acquisition were measured at fair value on December 17, 2014 with no carryover of allowance for loan loss.

	Three Months Ended June 30, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,130	$	3,797	$	2,411	$	2,031		$	777		$	7,641		$	18,787
Provision (reversal) for loan losses	319		92		24		(322		)	(114		)	2,651			2,650
Loans charged off	—		—		—		(5		)	—			(3,541		)	(3,546		)
Recoveries of loans charged off	47		26		1		53			—			390			517
Balance at end of period	$	2,496	$	3,915	$	2,436	$	1,757		$	663		$	7,141		$	18,408

	Six Months Ended June 30, 2014
	Real Estate
	Construction			1-4 Family Residential			Other			Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,142		$	3,277		$	2,572		$	1,970		$	668		$	8,248		$	18,877
Provision (reversal) for loan losses	309			628			(140		)	(319		)	(5		)	6,310			6,783
Loans charged off	(14		)	(22		)	—			(5		)	—			(8,273		)	(8,314		)
Recoveries of loans charged off	59			32			4			111			—			856			1,062
Balance at end of period	$	2,496		$	3,915		$	2,436		$	1,757		$	663		$	7,141		$	18,408

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The following tables present the balance in the allowance for loan losses by portfolio segment based on impairment method (in thousands):

	As of June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	45	$	28	$	121	$	3,274	$	201	$	46	$	3,715
Ending balance – collectively evaluated for impairment	2,864		3,440		3,408		1,739		632		1,024		13,107
Balance at end of period	$	2,909	$	3,468	$	3,529	$	5,013	$	833	$	1,070	$	16,822

	As of December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	43	$	102	$	26	$	242	$	14	$	103	$	530
Ending balance – collectively evaluated for impairment	2,413		2,720		2,999		3,037		702		891		12,762
Balance at end of period	$	2,456	$	2,822	$	3,025	$	3,279	$	716	$	994	$	13,292

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The following tables present the recorded investment in loans by portfolio segment based on impairment method (in thousands):

	June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,342	$	1,793	$	4,099	$	14,987	$	949	$	179	$	24,349
Loans collectively evaluated for impairment	293,061		675,039		493,344		204,826		255,543		213,410		2,135,223
Purchased credit impaired loans	230		7,112		3,463		8,976		—		510		20,291
Total ending loan balance	$	295,633	$	683,944	$	500,906	$	228,789	$	256,492	$	214,099	$	2,179,863

	December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,461	$	2,936	$	1,605	$	1,011	$	699	$	310	$	9,022
Loans collectively evaluated for impairment (1)	264,584		680,658		463,564		216,272		256,793		268,894		2,150,765
Purchased credit impaired loans (2)	785		7,301		3,002		9,177		—		1,081		21,346
Total ending loan balance	$	267,830	$	690,895	$	468,171	$	226,460	$	257,492	$	270,285	$	2,181,133

(1) Includes purchased non impaired loans which were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

(2) PCI loans were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

The following table sets forth loans by credit quality indicator for the periods presented (in thousands):

	June 30, 2015
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful (1)		Total
Real Estate Loans:
Construction	$	290,038	$	29	$	1,366	$	4,174	$	26	$	295,633
1-4 Family Residential	670,852		1,428		1,664		6,305		3,695		683,944
Other	489,166		—		83		11,657		—		500,906
Commercial Loans	200,583		751		962		17,910		8,583		228,789
Municipal Loans	255,543		—		—		699		250		256,492
Loans to Individuals	212,757		11		—		469		862		214,099
Total	$	2,118,939	$	2,219	$	4,075	$	41,214	$	13,416	$	2,179,863

(1) Includes $0.1 million special mention, $4.4 million substandard, and $10.4 million doubtful of PCI loans as of June 30, 2015.

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	December 31, 2014
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful		Total
Real Estate Loans:
Construction	$	260,183	$	862	$	1,394	$	5,363	$	28	$	267,830
1-4 Family Residential	677,559		1,453		1,706		9,167		1,010		690,895
Other	455,394		2,416		2,569		7,792		—		468,171
Commercial Loans	199,306		781		1,044		25,102		227		226,460
Municipal Loans	256,543		—		—		949		—		257,492
Loans to Individuals	269,204		16		—		871		194		270,285
Total	$	2,118,189	$	5,528	$	6,713	$	49,244	$	1,459	$	2,181,133

(1) Includes $0.7 million special mention and $17.8 million substandard of PCI loans as of December 31, 2014.

Nonperforming Assets and Past Due Loans

Nonaccrual loans are loans 90 days or more delinquent and collection in full of both the principal and interest is not expected.  Additionally, some loans that are not delinquent may be placed on nonaccrual status due to doubts about full collection of principal or interest.  When a loan is categorized as nonaccrual, the accrual of interest is discontinued and any accrued balance is reversed for financial statement purposes.  Payments received on nonaccrual loans are applied to the outstanding principal balance. Payments of contractual interest are recognized as income only to the extent that full recovery of the principal balance of the loan is reasonably certain.  Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured.  Other factors, such as the value of collateral securing the loan and the financial condition of the borrower, are considered in judgments as to potential loan loss.

Nonaccrual loans and accruing loans past due more than 90 days include both smaller balance homogeneous loans that are collectively evaluated for impairment and individually classified impaired loans.

PCI loans are recorded at fair value at acquisition date. Although the PCI loans may be contractually delinquent, we do not classify these loans as past due or nonperforming as the loans were written down to fair value at the acquisition date and the accretable yield is recognized in interest income over the remaining life of the loan. Subsequent to acquisition, we re-assess PCI loans for additional impairment.

The following table sets forth nonperforming assets for the periods presented (in thousands):

	At June 30, 2015		At December 31, 2014
Nonaccrual loans (1)	$	21,223	$	4,096
Accruing loans past due more than 90 days (1)	30		4
Restructured loans (1)	5,667		5,874
Other real estate owned	787		1,738
Repossessed assets	87		565
Total Nonperforming Assets	$	27,794	$	12,277

(1) Excludes PCI loans measured at fair value at acquisition.

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Foreclosed assets include other real estate owned and repossessed assets. For 1-4 family residential real estate properties, a loan is recognized as a foreclosed property once legal title to the real estate property has been received upon completion of foreclosure or the borrower has conveyed all interest in the residential property through a deed in lieu of foreclosure. Loans secured by 1-4 family residential properties for which formal foreclosure proceedings were in process as of June 30, 2015 were $170,000.

The following table sets forth the recorded investment in nonaccrual loans by class of loans for the periods presented (in thousands):

	Nonaccrual Loans (1)
	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	597	$	716
1-4 Family Residential	1,972		2,017
Other	3,204		675
Commercial Loans	14,249		416
Municipal Loans	249		—
Loans to Individuals	952		272
Total	$	21,223	$	4,096

(1) Excludes PCI loans measured at fair value at acquisition.

Accruing loans past due more than 90 days were not significant.

Loans are considered impaired if, based on current information and events, it is probable we will be unable to collect the scheduled payments of principal and interest when due according to the contractual terms of the loan agreement.  Impairment is evaluated in total for smaller-balance loans of a similar nature and on an individual loan basis for other loans. The measurement of loss on impaired loans is generally based on the fair value of the collateral if repayment is expected solely from the collateral or the present value of the expected future cash flows discounted at the historical effective interest rate stipulated in the loan agreement. In measuring the fair value of the collateral, in addition to relying on third party appraisals, we use assumptions, such as discount rates, and methodologies, such as comparison to the recent selling price of similar assets, consistent with those that would be utilized by unrelated third parties performing a valuation. Loans that are evaluated and determined not to meet the definition of an impaired loan are reserved for at the general reserve rate for its appropriate class.

At the time a loss is probable in the collection of contractual amounts, specific reserves are allocated.  Loans are charged off to the liquidation value of the collateral net of liquidation costs, if any, when deemed uncollectible or as soon as collection by liquidation is evident.

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The following tables set forth impaired loans by class of loans for the periods presented (in thousands):  

	June 30, 2015
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,093	$	2,342	$	45
1-4 Family Residential	1,877		1,793		28
Other	4,587		4,532		121
Commercial Loans	16,597		14,987		3,274
Municipal Loans	949		949		201
Loans to Individuals	199		179		46
Total (1)	$	27,302	$	24,782	$	3,715

	December 31, 2014
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,183	$	2,461	$	43
1-4 Family Residential	4,023		3,854		108
Other	1,622		1,605		26
Commercial Loans	1,162		1,011		242
Municipal Loans	699		699		14
Loans to Individuals	321		310		103
Total (1)	$	11,010	$	9,940	$	536

(1) PCI loans are excluded from this table as there was no evidence of further deterioration in credit quality subsequent to the acquisition date that would indicate it is probable that our recorded investment in these loans would not be recoverable.

There were no impaired loans recorded without an allowance as of June 30, 2015 or December 31, 2014.

The following tables present the aging of the recorded investment in past due loans by class of loans (in thousands):

	June 30, 2015
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	561	$	55	$	550	$	1,166	$	294,467	$	295,633
1-4 Family Residential	458		1,541		455		2,454		681,490		683,944
Other	53		218		1,346		1,617		499,289		500,906
Commercial Loans	408		924		122		1,454		227,335		228,789
Municipal Loans	—		—		250		250		256,242		256,492
Loans to Individuals	2,952		760		299		4,011		210,088		214,099
Total	$	4,432	$	3,498	$	3,022	$	10,952	$	2,168,911	$	2,179,863

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	December 31, 2014
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	376	$	42	$	716	$	1,134	$	266,696	$	267,830
1-4 Family Residential	3,511		509		2,017		6,037		684,858		690,895
Other	1,203		—		675		1,878		466,293		468,171
Commercial Loans	397		3		416		816		225,644		226,460
Municipal Loans	—		—		—		—		257,492		257,492
Loans to Individuals	362		66		276		704		269,581		270,285
Total	$	5,849	$	620	$	4,100	$	10,569	$	2,170,564	$	2,181,133

(1) Includes PCI loans measured at fair value at acquisition.

The following table sets forth interest income recognized on impaired loans by class of loans for the periods presented. Average recorded investment of impaired loans is reported on a year-to-date basis (in thousands):

	Three Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,361	$	23	$	1,643	$	9
1-4 Family residential	3,692		14		3,418		21
Other	3,586		13		2,838		22
Commercial loans	15,163		9		1,444		12
Municipal loans	949		10		759		21
Loans to individuals	881		1		2,144		23
Total	$	26,632	$	70	$	12,246	$	108

	Six Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,382	$	46	$	1,578	$	11
1-4 Family Residential	3,855		29		2,982		65
Other	2,731		25		2,362		75
Commercial Loans	9,070		18		1,446		19
Municipal Loans	842		19		759		21
Loans to Individuals	670		1		2,679		103
Total	$	19,550	$	138	$	11,806	$	294

(1) Excludes PCI loans measured at fair value at acquisition.

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Troubled Debt Restructurings

The restructuring of a loan is considered a TDR if both (i) the borrower is experiencing financial difficulties and (ii) the creditor has granted a concession.  Concessions may include interest rate reductions or below market interest rates, restructuring amortization schedules and other actions intended to minimize potential losses.

The following tables set forth the recorded balance at June 30, 2015 and 2014 of loans considered to be TDRs that were restructured during the periods presented (dollars in thousands):

	Three Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Commercial Loans	$	300	$	—	$	—	$	300	1
Loans to Individuals	4		—		58		62		7
Total	$	304	$	—	$	58	$	362	8

	Six Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	—	$	262	$	262	2
Other	30		—		—		30		1
Commercial Loans	300		—		762		1,062		2
Loans to Individuals	4		—		84		88		9
Total	$	334	$	—	$	1,108	$	1,442	14

	Three Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Other	$	—	$	—	$	388	$	388	1
Commercial Loans	60		—		—		60		2
Total	$	60	$	—	$	388	$	448	3

	Six Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	284	$	—	$	284	1
Other	—		—		413		413		2
Commercial Loans	313		—		56		369		5
Loans to Individuals	—		15		45		60		4
Total	$	313	$	299	$	514	$	1,126	12

(1) These modifications include an extension of the amortization period and interest rate reduction.

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The majority of loans restructured as TDRs during the six months ended June 30, 2015 were modified with a combination of interest rate reductions and maturity extensions. Interest continues to be charged on principal balances outstanding during the extended term. Therefore, the financial effects of the recorded investment of loans restructured as TDRs during the three and six months ended June 30, 2015 and June 30, 2014 were not significant. Generally, the loans identified as TDRs were previously reported as impaired loans prior to restructuring and therefore the modification did not impact our determination of the allowance for loan losses.

On an ongoing basis, the performance of the TDRs is monitored for subsequent payment default. Payment default for TDRs is recognized when the borrower is 90 days or more past due. For the three and six months ended June 30, 2015 and 2014, there were no material defaults. Payment defaults for TDRs did not significantly impact the determination of the allowance for loan loss in either period presented.

At June 30, 2015 and 2014, there were no commitments to lend additional funds to borrowers whose terms had been modified in TDRs.

Purchased Credit Impaired Loans

The following table presents the outstanding principal balance and carrying value for PCI loans for the periods presented (in thousands):

	June 30, 2015		December 31, 2014
Outstanding principal balance	$	30,215	$	32,572
Carrying amount	$	20,291	$	21,346

The following table presents the changes of the accretable yield during the periods for PCI loans (in thousands):

	Three Months Ended			Six Months Ended
	June 30, 2015
Balance at beginning of period	$	1,296		$	1,820
Additions	—			—
Additions due to acquisition	—			—
Accretion	(618		)	(1,142		)
Balance at end of period	$	678		$	678

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7.     Long-term Obligations

Long-term obligations are summarized as follows (in thousands):

	June 30, 2015		December 31, 2014
FHLB Advances (1)	$	572,254	$	600,052
Long-term Debt (2)
Southside Statutory Trust III Due 2033 (3)	20,619		20,619
Southside Statutory Trust IV Due 2037 (4)	23,196		23,196
Southside Statutory Trust V Due 2037 (5)	12,887		12,887
Magnolia Trust Company I Due 2035 (6)	3,609		3,609
Total Long-term Debt	60,311		60,311
Total Long-term Obligations	$	632,565	$	660,363

(1) At June 30, 2015, the weighted average cost of these advances was 1.31%.  Long-term FHLB Advances have maturities ranging from July 2016 through July 2028.

(2) This long-term debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

(3) This debt carries an adjustable rate of 3.22175% through September 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 294 basis points.

(4) This debt carries an adjustable rate of 1.57815% through July 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 130 basis points.

(5) This debt carries an adjustable rate of 2.53585% through September 14, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 225 basis points.

(6) This debt carries an adjustable rate of 2.082% through August 23, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 180 basis points.

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8.     Employee Benefit Plans

The components of net periodic benefit cost are as follows (in thousands):

	Three Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	443		$	401		$	—		$	—	$	118	$	68
Interest cost	848			876			60			—		171		145
Expected return on assets	(1,420		)	(1,412		)	(74		)	—		—		—
Net actuarial loss recognition	369			141			—			—		245		148
Prior service (credit) cost amortization	(5		)	(6		)	—			—		1		2
Net periodic benefit cost	$	235		$	—		$	(14	)	$	—	$	535	$	363

	Six Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	919		$	849		$	—		$	—	$	191	$	137
Interest cost	1,705			1,748			119			—		306		281
Expected return on assets	(2,842		)	(2,824		)	(147		)	—		—		—
Net actuarial loss recognition	752			272			—			—		393		249
Prior service (credit) cost amortization	(11		)	(10		)	—			—		3		3
Net periodic benefit cost	$	523		$	35		$	(28	)	$	—	$	893	$	670

9.     Share-based Incentive Plans

2009 Incentive Plan

On April 16, 2009, our shareholders approved the Southside Bancshares, Inc. 2009 Incentive Plan (the “2009 Incentive Plan”), which is a stock-based incentive compensation plan.  A total of 1,407,103 shares of our common stock were reserved and available for issuance pursuant to awards granted under the 2009 Incentive Plan.  Under the 2009 Incentive Plan, we were authorized to grant nonqualified stock options (“NQSOs”), restricted stock units (“RSUs”), or any combination thereof to certain officers. During the six months ended June 30, 2015, we granted RSUs and NQSOs pursuant to the 2009 Incentive Plan. During the six months ended June 30, 2014, there were no grants of RSUs or NQSOs pursuant to the 2009 Incentive Plan.

As of June 30, 2015, there were 622,484 unvested awards outstanding.  For the three and six months ended June 30, 2015, there was share-based compensation expense of $294,000 and $567,000, respectively, with an associated income tax benefit for the three and six months of $103,000 and $198,000, respectively. As of June 30, 2014, there were 374,227 unvested awards outstanding.  Share-based compensation expense for the three and six months ended June 30, 2014 was $291,000 and $577,000, respectively, with an associated income tax benefit for the three and six months of $102,000 and $202,000, respectively.

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As of June 30, 2015 and 2014, there was $4.9 million and $2.5 million of unrecognized compensation cost, respectively, related to the unvested awards outstanding. The remaining cost at June 30, 2015 is expected to be recognized over a weighted-average period of 3.3 years.  

The NQSOs have contractual terms of 10 years and vest in equal annual installments over three- and four-year periods.

The fair value of each RSU is the closing stock price on the date of grant.  The RSUs vest in equal annual installments over three- and four-year periods.

Each award is evidenced by an award agreement that specifies the exercise price, if applicable, the duration of the award, the number of shares to which the award pertains, and such other provisions as the Board determines.

Shares issued in connection with stock compensation awards are issued from authorized shares and not from treasury shares.  During the six months ended June 30, 2015 and 2014, there were 12,336 and 12,404 shares, respectively, issued in connection with stock compensation awards from available authorized shares.

The estimated weighted-average grant-date fair value per option and the underlying Black-Scholes option-pricing model assumptions for stock options granted during the six months ended June 30, 2015 are summarized in the following table:

	Six Months Ended
	June 30, 2015
Weighted-average grant date fair value per option	$6.29
Weighted-average assumptions:
Risk-free interest rates	2.01%
Expected dividend yield	3.24%
Expected volatility factors of the market price of Southside Bancshares common stock	30.91%
Expected option life (in years)	6.3

The following table presents activity related to our RSUs and NQSOs for the six months ended June 30, 2015.

			Restricted Stock Units Outstanding				Stock Options Outstanding
	Shares Available for Grant		Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Exercise Price		Weighted- Average Grant-Date Fair Value
Balance, January 1, 2015	821,604		31,753		$	21.75	419,334		$	19.88	$	6.00
Granted	(425,437	)	55,332		27.69		370,105		28.08		6.29
Stock options exercised	—		—		—		(9,351	)	18.04		5.39
Stock awards vested	—		(3,132	)	15.79		—		—		—
Forfeited	20,669		(2,821	)	25.24		(17,848	)	22.87		6.75
Canceled/expired	451		—		—		(451	)	24.62		7.78
Balance, June 30, 2015	417,287		81,132		$	25.91	761,789		$	23.81	$	6.13

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Other information regarding options outstanding and exercisable as of June 30, 2015 is as follows:

				Options Outstanding				Options Exercisable
Range of Exercise Prices				Number of Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life in Years	Number of Shares	Weighted- Average Exercise Price
$	15.79	-	$28.51	761,789	$	23.81	8.54	220,437	$	18.14
Total				761,789	$	23.81	8.54	220,437	$	18.14

The total intrinsic value (i.e., the amount by which the fair value of the underlying common stock exceeds the exercise price of a stock option) of outstanding stock options and exercisable stock options was $4.1 million and $2.4 million at June 30, 2015, respectively.

Cash received from stock options exercised for the six months ended June 30, 2015 and 2014 was $169,000 and $86,000, respectively. The total intrinsic value related to stock options exercised during the six months ended June 30, 2015 and 2014, was approximately $88,000 and $50,000, respectively.

10.  Fair Value Measurement

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.  A fair value measurement assumes that the transaction to sell the asset or transfer the liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability.  The price in the principal (or most advantageous) market used to measure the fair value of the asset or liability shall not be adjusted for transaction costs.  An orderly transaction is a transaction that assumes exposure to the market for a period prior to the measurement date to allow for marketing activities that are usual and customary for transactions involving such assets and liabilities; it is not a forced transaction.  Market participants are buyers and sellers in the principal market that are (i) independent, (ii) knowledgeable, (iii) able to transact and (iv) willing to transact.

Valuation techniques including the market approach, the income approach and/or the cost approach are utilized to determine fair value.  Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability.  Valuation policies and procedures are determined by our investment department and reported to our Asset/Liability Committee ("ALCO") for review.  An entity must consider all aspects of nonperforming risk, including the entity’s own credit standing, when measuring fair value of a liability.  Inputs may be observable, meaning those that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from independent sources, or unobservable, meaning those that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.  A fair value hierarchy for valuation inputs gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs.  The fair value hierarchy is as follows:

Level 1 Inputs - Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2 Inputs - Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly.  These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

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Level 3 Inputs - Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity's own assumptions about the assumptions that market participants would use in pricing the assets or liabilities.

Level 3 assets recorded at fair value on a nonrecurring basis at June 30, 2015, included loans for which a specific allowance was established based on the fair value of collateral and other real estate for which fair value of the properties was less than the cost basis.  For both asset classes, the unobservable inputs were the additional adjustments applied by management to the appraised values to reflect such factors as non-current appraisals and revisions to estimated time to sell.  These adjustments are determined based on qualitative judgments made by management on a case-by-case basis and are not quantifiable inputs, although they are used in the determination of fair value.

A description of the valuation methodologies used for assets and liabilities measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below.

Certain financial assets are measured at fair value in accordance with GAAP.  Adjustments to the fair value of these assets usually result from the application of fair value accounting or write-downs of individual assets.  Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally coincides with our monthly and/or quarterly valuation process.  There were no transfers between Level 1 and Level 2 during the six months ended June 30, 2015.

Securities Available for Sale – U.S. Treasury securities and other equity securities are reported at fair value utilizing Level 1 inputs.  Other securities classified as available for sale are reported at fair value utilizing Level 2 inputs.  For these securities, we obtain fair value measurements from independent pricing services.  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, among other things.

We review the prices supplied by the independent pricing services for reasonableness and to ensure such prices are aligned with traditional pricing matrices.  In addition, we obtain an understanding of their underlying pricing methodologies and their Statement on Standards for Attestation Engagements-Reporting on Controls of a Service Organization (“SSAE 16”). We validate prices supplied by the independent pricing services by comparison to prices obtained from, in most cases, three additional third party sources. For securities where prices are outside a reasonable range, we further review those securities to determine what a reasonable price estimate is for that security, given available data.

Foreclosed Assets – Foreclosed assets are initially recorded at fair value less costs to sell.  The fair value measurements of foreclosed assets can include Level 2 measurement inputs such as real estate appraisals and comparable real estate sales information, in conjunction with Level 3 measurement inputs such as cash flow projections, qualitative adjustments, sales cost estimates, etc.  As a result, the categorization of foreclosed assets is Level 3 of the fair value hierarchy.  In connection with the measurement and initial recognition of certain foreclosed assets, we may recognize charge-offs through the allowance for loan losses.

Impaired Loans – Certain impaired loans may be reported at the fair value of the underlying collateral if repayment is expected solely from the collateral.  Collateral values are estimated using Level 3 inputs based on customized discounting criteria or appraisals.  At June 30, 2015 and December 31, 2014, the impact of loans with specific reserves based on the fair value of the collateral was reflected in our allowance for loan losses.

Certain nonfinancial assets and nonfinancial liabilities measured at fair value on a recurring basis include reporting units measured at fair value and tested for goodwill impairment. 

The following tables summarize assets measured at fair value on a recurring and nonrecurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value (in thousands):

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	As of June 30, 2015
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	100,523	$	100,523	$	—	$	—
U.S. Government Agency Debentures	4,846		—		4,846		—
State and Political Subdivisions	246,420		—		246,420		—
Other Stocks and Bonds	13,203		—		13,203		—
Other Equity Securities	6,027		6,027		—		—
Mortgage-backed Securities: (1)
Residential	726,326		—		726,326		—
Commercial	368,476		—		368,476		—
Total recurring fair value measurements	$	1,465,821	$	106,550	$	1,359,271	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	874	$	—	$	—	$	874
Impaired loans (2)	21,067		—		—		21,067
Total nonrecurring fair value measurements	$	21,941	$	—	$	—	$	21,941

	As of December 31, 2014
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	14,906	$	14,906	$	—	$	—
U.S. Government Agency Debentures	4,828		—		4,828		—
State and Political Subdivisions	267,684		—		267,684		—
Other Stocks and Bonds	13,239		—		13,239		—
Other Equity Securities	6,049		6,049		—		—
Mortgage-backed Securities: (1)
Residential	964,298		—		964,298		—
Commercial	177,704		—		177,704		—
Total recurring fair value measurements	$	1,448,708	$	20,955	$	1,427,753	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	2,303	$	—	$	—	$	2,303
Impaired loans (2)	9,404		—		—		9,404
Total nonrecurring fair value measurements	$	11,707	$	—	$	—	$	11,707

(1) All mortgage-backed securities are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

(2) Loans represent collateral dependent impaired loans with a specific valuation allowance. Losses on these loans represent charge-offs which are netted against the allowance for loan losses.

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Disclosure of fair value information about financial instruments, whether or not recognized in the balance sheet is required when it is practicable to estimate that value.  In cases where quoted market prices are not available, fair values are based on estimates using present value or other estimation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  Such techniques and assumptions, as they apply to individual categories of our financial instruments, are as follows:

Cash and cash equivalents - The carrying amount for cash and cash equivalents is a reasonable estimate of those assets' fair value.

Investment and mortgage-backed securities held to maturity - Fair values for these securities are based on quoted market prices, where available.  If quoted market prices are not available, fair values are based on quoted market prices for similar securities or estimates from independent pricing services.

FHLB stock and other investments - The carrying amount of FHLB stock and other investments is a reasonable estimate of those assets’ fair value.

Loans receivable - For adjustable rate loans that reprice frequently and with no significant change in credit risk, the carrying amounts are a reasonable estimate of those assets' fair value.  The fair value of fixed rate loans is estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities.  Nonperforming loans are estimated using discounted cash flow analyses or the underlying value of the collateral where applicable.

Loans held for sale – The fair value of loans held for sale is determined based on expected proceeds, which are based on sales contracts and commitments.

Deposit liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is the amount on demand at the reporting date, that is, the carrying value.  Fair values for fixed rate CDs are estimated using a discounted cash flow calculation that applies interest rates currently being offered for deposits of similar remaining maturities.

Federal funds purchased and repurchase agreements - Federal funds purchased generally have original terms to maturity of one day and repurchase agreements generally have terms of less than one year, and therefore both, are considered short-term borrowings. Consequently, their carrying value is a reasonable estimate of fair value.

FHLB advances - The fair value of these advances is estimated by discounting the future cash flows using rates at which advances would be made to borrowers with similar credit ratings and for the same remaining maturities.

Long-term debt - The carrying amount for the long-term debt is estimated by discounting future cash flows using estimated rates at which long-term debt would be made to borrowers with similar credit ratings and for the remaining maturities.  

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The following tables present our financial assets, financial liabilities, and unrecognized financial instruments measured on a nonrecurring basis at both their respective carrying amounts and estimated fair value (in thousands):

			Estimated Fair Value
June 30, 2015	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	77,029	$	77,029	$	77,029	$	—	$	—
Investment securities:
Held to maturity, at carrying value	387,212		391,191		—		391,191		—
Mortgage-backed securities:
Held to maturity, at carrying value	356,669		362,283		—		362,283		—
FHLB stock and other investments, at cost	43,119		43,119		—		43,119		—
Loans, net of allowance for loan losses	2,163,041		2,130,397		—		—		2,130,397
Loans held for sale	7,431		7,431		—		7,431		—
Financial Liabilities:
Retail deposits	$	3,468,683	$	3,465,818	$	—	$	3,465,818	$	—
Federal funds purchased and repurchase agreements	2,084		2,084		—		2,084		—
FHLB advances	854,953		847,565		—		847,565		—
Long-term debt	60,311		44,230		—		44,230		—

			Estimated Fair Value
December 31, 2014	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	84,655	$	84,655	$	84,655	$	—	$	—
Investment securities:
Held to maturity, at carrying value	388,823		400,248		—		400,248		—
Mortgage-backed securities:
Held to maturity, at carrying value	253,496		261,339		—		261,339		—
FHLB stock and other investments, at cost	43,871		43,871		—		43,871		—
Loans, net of allowance for loan losses	2,167,841		2,140,088		—		—		2,140,088
Loans held for sale	2,899		2,899		—		2,899		—
Financial Liabilities:
Retail deposits	$	3,374,417	$	3,369,784	$	—	$	3,369,784	$	—
Federal funds purchased and repurchase agreements	4,237		4,237		—		4,237		—
FHLB advances	897,420		886,087		—		886,087		—
Long-term debt	60,311		43,860		—		43,860		—

As discussed earlier, the fair value estimate of financial instruments for which quoted market prices are unavailable is dependent upon assumptions used.  Consequently, those estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instruments.  Accordingly, the aggregate fair value amounts presented in the above fair value table do not necessarily represent their underlying value.

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11.     Income Taxes

The income tax expense included in the accompanying statements of income consists of the following (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current income tax expense	$	2,451		$	1,342		$	5,889		$	3,358
Deferred income tax (benefit) expense	(484		)	(504		)	(2,019		)	(1,361		)
Income tax expense	$	1,967		$	838		$	3,870		$	1,997

Net deferred tax assets totaled $18.9 million at June 30, 2015 and $12.7 million at December 31, 2014.  No valuation allowance for deferred tax assets was recorded at June 30, 2015 or December 31, 2014, as management believes it is more likely than not that all of the deferred tax assets will be realized in future years. Unrecognized tax benefits were not material at June 30, 2015.

We recognized income tax expense of $2.0 million and $3.9 million, for an effective tax rate of 15.0% and 15.9%, for the three and six months ended June 30, 2015, respectively, compared to income tax expense of $838,000 and $2.0 million, for an effective tax rate of 7.4% and 9.7%, for the three and six months ended June 30, 2014. The higher effective tax rate for the three and six months ended June 30, 2015 was due to a decrease in tax-exempt income as a percentage of pre-tax income as compared to the same period in 2014. We file income tax returns in the U.S. federal jurisdiction and in certain states. We are no longer subject to U.S. federal income tax examinations by tax authorities for years before 2011.

12.     Off-Balance-Sheet Arrangements, Commitments and Contingencies

Financial Instruments with Off-Balance-Sheet Risk. In the normal course of business, we are a party to certain financial instruments, with off-balance-sheet risk, to meet the financing needs of our customers.  These off-balance-sheet instruments include commitments to extend credit and standby letters of credit.  These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount reflected in the financial statements.  The contract or notional amounts of these instruments reflect the extent of involvement and exposure to credit loss that we have in these particular classes of financial instruments.

Commitments to extend credit are agreements to lend to a customer provided that the terms established in the contract are met.  Commitments generally have fixed expiration dates and may require payment of fees.  Since some commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. Standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. These guarantees are primarily issued to support public and private borrowing arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan commitments to customers.

Financial instruments with off-balance-sheet risk were as follows (in thousands):

	At June 30, 2015		At December 31, 2014
Unused commitments:
Commitments to extend credit	$	431,380	$	373,255
Standby letters of credit	6,950		6,222
Total	$	438,330	$	379,477

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We apply the same credit policies in making commitments and standby letters of credit as we do for on-balance-sheet instruments.  We evaluate each customer's creditworthiness on a case-by-case basis.  The amount of collateral obtained, if deemed necessary, upon extension of credit is based on management's credit evaluation of the borrower.  Collateral held varies but may include cash or cash equivalents, negotiable instruments, real estate, accounts receivable, inventory, oil, gas and mineral interests, property, plant, and equipment.

Lease Commitments. We lease certain branch facilities and office equipment under operating leases.  It is expected that certain leases will be renewed, or equipment replaced with new leased equipment, as these leases expire.

Securities. In the normal course of business we buy and sell securities. There were $3.5 million and $6.0 million of unsettled trades to purchase securities at June 30, 2015 and December 31, 2014, respectively. There were no unsettled trades to sell securities as of June 30, 2015. As of December 31, 2014, there were $57.2 million unsettled trades to sell securities.

Deposits. There were no unsettled issuances of brokered CDs at June 30, 2015 or December 31, 2014.

Litigation. We are involved with various litigation in the normal course of business.  Management, after consulting with our legal counsel, believes that any liability resulting from litigation will not have a material effect on our financial position, results of operations or liquidity.

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ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is a discussion of the consolidated financial condition, changes in financial condition, and results of our operations, and should be read and reviewed in conjunction with the financial statements, and the notes thereto, in this Quarterly Report on Form 10-Q and in our Annual Report on Form 10-K for the year ended December 31, 2014.

We reported an increase in net income for the three and six months ended June 30, 2015 compared to the same periods in 2014.  Net income for the three and six months ended June 30, 2015 was $11.2 million and $20.5 million, respectively, compared to $10.5 million and $18.7 million, respectively, for the same periods in 2014.

Forward-Looking Statements

Certain statements of other than historical fact that are contained in this report may be considered to be “forward-looking statements” within the meaning of and subject to the protections of the Private Securities Litigation Reform Act of 1995.  These forward-looking statements are not guarantees of future performance, nor should they be relied upon as representing management’s views as of any subsequent date.  These statements may include words such as “expect,” “estimate,” “project,” “anticipate,” “appear,” “believe,” “could,” “should,” “may,” “will,” “would,” “seek,” “intend,” “probability,” “risk,” “goal,” “objective,” “plans,” “potential,” and similar expressions. Forward-looking statements are statements with respect to our beliefs, plans, expectations, objectives, goals, anticipations, assumptions, estimates, intentions and future performance, and are subject to significant known and unknown risks and uncertainties, which could cause our actual results to differ materially from the results discussed in the forward-looking statements.  For example, discussions of the effect of our expansion, trends in asset quality and earnings from growth, and certain market risk disclosures are based upon information presently available to management and are dependent on choices about key model characteristics and assumptions and are subject to various limitations.  By their nature, certain of the market risk disclosures are only estimates and could be materially different from what actually occurs in the future.  Accordingly, our results could materially differ from those that have been estimated.  Other factors that could cause actual results to differ materially from those indicated by forward-looking statements include, but are not limited to, the following:

• general economic conditions, either globally, nationally, in the State of Texas, or in the specific markets in which we operate, including, without limitation, the deterioration of the commercial real estate, residential real estate, construction and development, credit and liquidity markets, which could cause an adverse change in our net interest margin, or a decline in the value of our assets, which could result in realized losses;

• current or future legislation, regulatory changes or changes in monetary or fiscal policy that adversely affect the businesses in which we are engaged, including the impact of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 (“Dodd-Frank Act”), the Federal Reserve’s actions with respect to interest rates, the capital requirements promulgated by the Basel Committee on Banking Supervision (“Basel Committee”) and other regulatory responses to economic conditions;

• adverse changes in the status or financial condition of the Government-Sponsored Enterprises (the “GSEs”) impacting the GSEs’ guarantees or ability to pay or issue debt;

• adverse changes in the credit portfolio of other U.S. financial institutions relative to the performance of certain of our investment securities;

• economic or other disruptions caused by acts of terrorism in the United States, Europe or other areas;

• changes in the interest rate yield curve such as flat, inverted or steep yield curves, or changes in the interest rate environment that impact interest margins and may impact prepayments on the mortgage-backed securities ("MBS") portfolio;

• increases in our nonperforming assets;

• our ability to maintain adequate liquidity to fund operations and growth;

• the failure of our assumptions underlying allowance for loan losses and other estimates;

• unexpected outcomes of, and the costs associated with, existing or new litigation involving us;

• changes impacting our balance sheet and leverage strategy;

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• risks related to actual U.S. Agency MBS prepayments exceeding projected prepayment levels;

• risks related to U.S. Agency MBS prepayments increasing due to U.S. Government programs designed to assist homeowners to refinance their mortgage that might not otherwise have qualified;

• our ability to monitor interest rate risk;

• significant increases in competition in the banking and financial services industry;

• changes in consumer spending, borrowing and saving habits;

• technological changes;

• our ability to increase market share and control expenses;

• the effect of changes in federal or state tax laws;

• the effect of compliance with legislation or regulatory changes;

• the effect of changes in accounting policies and practices;

• credit risks of borrowers, including any increase in those risks due to changing economic conditions;

• risks related to loans secured by real estate, including the risk that the value and marketability of collateral could decline; and

• other risks and uncertainties discussed in Part I - "Item 1A. Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2014.

All written or oral forward-looking statements made by us or attributable to us are expressly qualified by this cautionary notice.  We disclaim any obligation to update any factors or to announce publicly the result of revisions to any of the forward-looking statements included herein to reflect future events or developments, unless otherwise required by law.

Critical Accounting Estimates

Our accounting and reporting estimates conform with U.S. generally accepted accounting principles (“GAAP”) and general practices within the financial services industry.  The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes.  Actual results could differ from those estimates.  We consider our critical accounting policies to include the following:

Allowance for Losses on Loans.  The allowance for losses on loans represents our best estimate of probable losses inherent in the existing loan portfolio.  The allowance for losses on loans is increased by the provision for losses on loans charged to expense and reduced by loans charged-off, net of recoveries.  The provision for losses on loans is determined based on our assessment of several factors:  reviews and evaluations of specific loans, changes in the nature and volume of the loan portfolio, current economic conditions and the related impact on specific borrowers and industry groups, historical loan loss experience, the level of classified and nonperforming loans and the results of regulatory examinations.

The loan loss allowance is based on the most current review of the loan portfolio and is validated by multiple processes.  The servicing officer has the primary responsibility for updating significant changes in a customer's financial position.  Each officer prepares status updates on any credit deemed to be experiencing repayment difficulties which, in the officer's opinion, would place the collection of principal or interest in doubt.  Our internal loan review department is responsible for an ongoing review of our loan portfolio with specific goals set for the loans to be reviewed on an annual basis.

At each review, a subjective analysis methodology is used to grade the respective loan.  Categories of grading vary in severity from loans that do not appear to have a significant probability of loss at the time of review to loans that indicate a probability that the entire balance of the loan will be uncollectible.  If full collection of the loan balance appears unlikely at the time of review, estimates of future expected cash flows or appraisals of the collateral securing the debt are used to determine the necessary allowances.  The internal loan review department maintains a list of all loans or loan relationships that are graded as having more than the normal degree of risk associated with them.  In addition, a list of specifically reserved loans or loan relationships of $150,000 or more is updated on a quarterly basis in order to

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properly determine the necessary allowance and keep management informed on the status of attempts to correct the deficiencies noted with respect to the loan.

Loans are considered impaired if, based on current information and events, it is probable that we will be unable to collect the scheduled payments of principal and interest when due according to the contractual terms of the loan agreement.  The measurement of loss on impaired loans is generally based on the fair value of the collateral if repayment is expected solely from the collateral or the present value of the expected future cash flows discounted at the historical effective interest rate stipulated in the loan agreement. In measuring the fair value of the collateral, in addition to relying on third party appraisals, we use assumptions, such as discount rates, and methodologies, such as comparison to the recent selling price of similar assets, consistent with those that would be utilized by unrelated third parties performing a valuation.

Changes in the financial condition of individual borrowers, economic conditions, historical loss experience and the conditions of the various markets in which collateral may be sold all may affect the required level of the allowance for losses on loans and the associated provision for loan losses.

As of June 30, 2015, our review of the loan portfolio indicated that a loan loss allowance of $16.8 million was appropriate to cover probable losses in the portfolio.

Refer to “Part II - Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations - Loan Loss Experience and Allowance for Loan Losses” and “Note 6– Loans and Allowance for Probable Loan Losses” in our Annual Report on Form 10-K for the year ended December 31, 2014 for a detailed description of our estimation process and methodology related to the allowance for loan losses.

Estimation of Fair Value.  The estimation of fair value is significant to a number of our assets and liabilities.  In addition, GAAP requires disclosure of the fair value of financial instruments as a part of the notes to the consolidated financial statements.  Fair values for securities are volatile and may be influenced by a number of factors, including market interest rates, prepayment speeds, discount rates and the shape of yield curves.  Fair values for most investment and MBS are based on quoted market prices, where available.  If quoted market prices are not available, fair values are based on the quoted prices of similar instruments or estimates from independent pricing services.  Where there are price variances outside certain ranges from different pricing services for specific securities, those pricing variances are reviewed with other market data to determine which of the price estimates is appropriate for that period. 

Impairment of Investment Securities and Mortgage-backed Securities.  Investment and MBS classified as available for sale (“AFS”) are carried at fair value and the impact of changes in fair value are recorded on our consolidated balance sheet as an unrealized gain or loss in “Accumulated other comprehensive (loss) income,” a separate component of shareholders’ equity.  Securities classified as AFS or held to maturity ("HTM") are subject to our review to identify when a decline in value is other-than-temporary.  When it is determined that a decline in value is other-than-temporary, the carrying value of the security is reduced to its estimated fair value, with a corresponding charge to earnings for the credit portion and to other comprehensive income for the noncredit portion.  Factors considered in determining whether a decline in value is other-than-temporary include: (1) whether the decline is substantial, the duration of the decline and the reasons for the decline in value; (2) whether the decline is related to a credit event, a change in interest rate or a change in the market discount rate; (3) the financial condition and near-term prospects of the issuer; and (4) whether we have a current intent to sell the security and whether it is not more likely than not that we will be required to sell the security before the anticipated recovery of its amortized cost basis. For certain assets, we consider expected cash flows of the investment in determining if impairment exists.

Defined Benefit Pension Plan. The plan obligations and related assets of our defined benefit pension plan (the “Plan”) are presented in “Note 11 – Employee Benefits” in our Annual Report on Form 10-K for the year ended December 31, 2014.  Entry into the Plan by new employees was frozen effective December 31, 2005.  Plan assets, which consist primarily of marketable equity and debt instruments, are valued using observable market quotations.  Plan obligations and the annual pension expense are determined by independent actuaries and through the use of a number of assumptions that are reviewed by management.  Key assumptions in measuring the plan obligations include the discount rate, the rate of salary increases and the estimated future return on plan assets.  In determining the discount rate, we utilized a cash flow matching analysis to determine a range of appropriate discount rates for our defined benefit pension and

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restoration plans.  In developing the cash flow matching analysis, we constructed a portfolio of high quality noncallable bonds (rated AA- or better) to match as close as possible the timing of future benefit payments of the plans at December 31, 2014.  Based on this cash flow matching analysis, we were able to determine an appropriate discount rate.

Salary increase assumptions are based upon historical experience and our anticipated future actions. The expected long-term rate of return assumption reflects the average return expected based on the investment strategies and asset allocation on the assets invested to provide for the Plan’s liabilities. We considered broad equity and bond indices, long-term return projections, and actual long-term historical Plan performance when evaluating the expected long-term rate of return assumption. At June 30, 2015, the weighted-average actuarial assumptions of the Plan were: a discount rate of 4.14%; a long-term rate of return on Plan assets of 7.25%; and assumed salary increases of 3.50%. Material changes in pension benefit costs may occur in the future due to changes in these assumptions.  Future annual amounts could be impacted by changes in the number of Plan participants, changes in the level of benefits provided, changes in the discount rates, changes in the expected long-term rate of return, changes in the level of contributions to the Plan and other factors.

Off-Balance-Sheet Arrangements, Commitments and Contingencies

Details of our off-balance-sheet arrangements, commitments and contingencies as of June 30, 2015 and December 31, 2014 are included in “Note 12 – Off-Balance-Sheet Arrangements, Commitments and Contingencies” in our consolidated financial statements included in this Quarterly Report on Form 10-Q.

Balance Sheet Strategy

We utilize wholesale funding and securities to enhance our profitability and balance sheet composition by determining acceptable levels of credit, interest rate and liquidity risk consistent with prudent capital management.  This balance sheet strategy consists of borrowing a combination of long- and short-term funds from the FHLB, and when determined appropriate, issuing brokered CDs.  These funds are invested primarily in U.S. Agency MBS, and to a lesser extent, long-term municipal securities.  Although U.S. Agency MBS often carry lower yields than traditional mortgage loans and other types of loans we make, these securities generally (i) increase the overall quality of our assets because of either the implicit or explicit guarantees of the U.S. Government, (ii) are more liquid than individual loans and (iii) may be used to collateralize our borrowings or other obligations.  While the strategy of investing a substantial portion of our assets in U.S. Agency MBS and municipal securities has historically resulted in lower interest rate spreads and margins, we believe that the lower operating expenses and reduced credit risk, combined with the managed interest rate risk of this strategy, have enhanced our overall profitability over the last several years.  At this time, we utilize this balance sheet strategy with the goal of enhancing overall profitability by maximizing the use of our capital.

Risks associated with the asset structure we maintain include a lower net interest rate spread and margin when compared to our peers, changes in the slope of the yield curve, which can reduce our net interest rate spread and margin, increased interest rate risk, the length of interest rate cycles, changes in volatility spreads associated with the MBS and municipal securities, the unpredictable nature of MBS prepayments and credit risks associated with the municipal securities.  See “Part I - Item 1A.  Risk Factors – Risks Related to Our Business” in our Annual Report on Form 10-K for the year ended December 31, 2014, for a discussion of risks related to interest rates.  Our asset structure, net interest spread and net interest margin require us to closely monitor our interest rate risk.  An additional risk is the change in fair value of the AFS securities portfolio as a result of changes in interest rates.  Significant increases in interest rates, especially long-term interest rates, could adversely impact the fair value of the AFS securities portfolio, which could also significantly impact our equity capital.  Due to the unpredictable nature of MBS prepayments, the length of interest rate cycles, and the slope of the interest rate yield curve, net interest income could fluctuate more than simulated under the scenarios modeled by our ALCO and described under “Item 3.  Quantitative and Qualitative Disclosures about Market Risk” in this Quarterly Report on Form 10-Q.

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Determining the appropriate size of the balance sheet is one of the critical decisions any bank makes.  Our balance sheet is not merely the result of a series of micro-decisions, but rather the size is controlled based on the economics of assets compared to the economics of funding. The current low interest rate environment and investment and economic landscape make it unlikely that we will experience significant asset growth driven by an increase in the securities portfolio until one or more of these conditions change.

The management of our securities portfolio as a percentage of earning assets is guided by the current economics associated with increasing the securities portfolio, changes in our overall loan and deposit levels, and changes in our wholesale funding levels.  If adequate quality loan growth is not available to achieve our goal of enhancing profitability by maximizing the use of capital, as described above, then we may purchase additional securities, if appropriate, which may cause securities as a percentage of earning assets to increase.  Should we determine that increasing the securities portfolio or replacing the current securities maturities and principal payments is not an efficient use of capital, we may decrease the level of securities through proceeds from maturities, principal payments on MBS or sales.  Our balance sheet strategy is designed such that our securities portfolio should help mitigate financial performance associated with slower loan growth and higher credit costs.

During the quarter ended June 30, 2015, we primarily sold U.S. Agency MBS and collateralized mortgage obligations (“CMO”) that resulted in an overall gain on the sale of AFS securities of $105,000. This was a continuation of our first quarter strategy to sell U.S. Agency low coupon MBS with longer payment windows from the Omni acquired securities portfolio. During the quarter ended June 30, 2015, we primarily purchased premium CMOs with favorable expected returns in relation to risk, commercial mortgage-backed securities (“CMBS”) and U.S. Treasury notes.  Our total portfolio, comprised of investment and MBS, increased from $2.09 billion at December 31, 2014 to $2.21 billion at June 30, 2015. The total unamortized premium for our MBS increased to $40.5 million at June 30, 2015 compared to $23.5 million at June 30, 2014.

At June 30, 2015, securities increased as a percentage of assets to 45.5% as compared to 43.5% at December 31, 2014 due to a 5.7% increase in the securities portfolio and a slight decrease in the loan portfolio.  Our balance sheet management strategy is dynamic and will be continually reevaluated as market conditions warrant.  As interest rates, yield curves, MBS prepayments, funding costs, security spreads and loan and deposit portfolios change, our determination of the proper types, amount and maturities of securities to own and funding needs and funding sources will continue to be reevaluated.  Should the economics of purchasing securities decrease, we may allow this part of the balance sheet to shrink through run-off or security sales.  However, should the economics become more attractive, we may continue to strategically increase the securities portfolio and the balance sheet.

With respect to liabilities, we continue to utilize a combination of FHLB advances and deposits to achieve our strategy of minimizing cost while achieving overall interest rate risk objectives as well as the liability management objectives of the ALCO. FHLB funding is the primary wholesale funding source we are currently utilizing. Our FHLB borrowings decreased 4.7%, or $42.5 million, to $855.0 million at June 30, 2015 from $897.4 million at December 31, 2014, due primarily to the increase in deposits. During the six months ended June 30, 2015, our long-term FHLB advances decreased $27.8 million, to $572.3 million from $600.1 million at December 31, 2014. We will continue to purchase long-term FHLB advances as a hedge against future potential high interest rates. Our brokered CDs increased from $23.4 million at December 31, 2014 to $28.9 million at June 30, 2015. All of the brokered CDs, except for one $5.0 million CD, are long-term with short-term calls that we control.  We utilized long-term callable brokered CDs because the brokered CDs at the time of issuance better matched overall ALCO objectives by protecting us with fixed rates should interest rates increase, while providing us options to call the funding should interest rates decrease.  We are actively evaluating the callable brokered CDs and may exercise the call option if there is an economic benefit.  Our wholesale funding policy currently allows maximum brokered CDs of $180 million; however, this amount could be increased to match changes in ALCO objectives.  The potential higher interest expense and lack of customer loyalty are risks associated with the use of brokered CDs.  When considering trends in deposits excluding brokered CDs, the overall growth in deposits resulted in a decrease in our total wholesale funding as a percentage of deposits, to 25.7% at June 30, 2015 from 27.5% at December 31, 2014 and an increase in FHLB advances resulted in an increase compared to 20.7% at June 30, 2014.

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Net Interest Income

Net interest income is one of the principal sources of a financial institution's earnings stream and represents the difference or spread between interest and fee income generated from interest earning assets and the interest expense paid on deposits and borrowed funds.  Fluctuations in interest rates or interest rate yield curves, as well as repricing characteristics and volume, and changes in the mix of interest earning assets and interest bearing liabilities, materially impact net interest income.  The increase in average loans, MBS, deposits, interest bearing deposits and FHLB advances during the three and six months ended June 30, 2015 when compared to the same period in 2014 is attributable to the acquisition of Omni.

Net interest income for the six months ended June 30, 2015 was $66.7 million, an increase of $10.9 million, or 19.6%, compared to the same period in 2014 primarily due to increases in interest income on loans and mortgage-backed securities income.  This is a result of our average interest earning assets increasing $1.12 billion, or 34.3%, during the six months ended June 30, 2015, when compared to the same period in 2014, which was partially offset by a decrease in our net interest spread and net interest margin to 3.36% and 3.44%, respectively, for the six months ended June 30, 2015 from 3.79% and 3.93%, respectively, for the same period in 2014.

During the six months ended June 30, 2015, total interest income increased $12.0 million, or 18.7%, to $76.4 million compared to $64.3 million for the same period in 2014.  The increase in total interest income was the result of the increase in average interest earning assets of $1.12 billion, or 34.3%, from $3.27 billion for the six months ended June 30, 2014 to $4.39 billion for the same period in 2015, while partially offset by a decrease in the average yield on earning assets from 4.46% for the six months ended June 30, 2014 to 3.89% for the six months ended June 30, 2015.  Total interest expense increased $1.1 million, or 12.6%, to $9.7 million, during the six months ended June 30, 2015, as compared to $8.6 million during the same period in 2014.  The increase was attributable to an increase in average interest bearing liabilities of $1.08 billion, or 41.4%, from $2.60 billion for the six months ended June 30, 2014, to $3.68 billion for the same period in 2015, while partially offset by a decrease in the average yield on interest bearing liabilities for the six months ended June 30, 2015, to 0.53% from 0.67% for the same period in 2014.

Net interest income increased during the three months ended June 30, 2015, when compared to the same period in 2014 primarily as a result of an increases on loans and mortgage-backed securities income.  Our average interest earning assets during this period increased $1.14 billion, or 35.2%, during the three months ended June 30, 2015, when compared to the same period in 2014.  For the three months ended June 30, 2015, our net interest spread and net interest margin decreased to 3.30% and 3.39%, respectively, from 3.79% and 3.94%, respectively, for the same period in 2014.

During the six months ended June 30, 2015, average loans increased $820.9 million, or 60.0%, to $2.19 billion, when compared to $1.37 billion for the same period in 2014.  The increase in loans was primarily a result of the acquisition of Omni.  The average yield on loans decreased from 5.70% for the six months ended June 30, 2014, to 4.59% for the six months ended June 30, 2015, due to overall lower interest rates and the higher yield SFG purchased automobile loans included in the portfolio during the six months ended June 30, 2014. Interest income on loans increased $11.1 million, or 30.4%, to $47.8 million for the six months ended June 30, 2015, when compared to $36.7 million for the same period in 2014 as a result of the increase in the average balance which was partially offset by a decrease in the average yield. For the three months ended June 30, 2015, average loans increased $817.3 million, or 59.6%, to $2.19 billion, when compared to $1.37 billion for the same period in 2014.  The average yield on loans decreased from 5.64% for the three months ended June 30, 2014 to 4.56% for the three months ended June 30, 2015.  Due to the competitive loan pricing environment, we anticipate that we may be required to continue to offer lower interest rate loans that compete with those offered by other financial institutions in order to retain quality loan relationships.  Offering lower interest rate loans could impact the overall yield on loans and, therefore, profitability.

Average investment and MBS increased $285.8 million, or 15.7%, from $1.82 billion to $2.10 billion, for the six months ended June 30, 2015 when compared to the same period in 2014.  At June 30, 2015, substantially all of our MBS were fixed rate securities.  The overall yield on average investment and MBS decreased to 3.30% during the six months ended June 30, 2015, from 3.71% during the same period in 2014.  Interest income on investment and MBS increased $849,000 during the six months ended June 30, 2015, or 3.1%, compared to the same period in 2014 due to an increase in the average balance which was partially offset by a decrease in the average yield.   For the three months ended June 30, 2015, average investment and MBS increased $302.2 million, or 16.7%, to $2.11 billion, when compared

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to $1.81 billion for the same period in 2014.  The overall yield on average investment and MBS decreased to 3.20% during the three months ended June 30, 2015, from 3.70% during the same period in 2014 primarily as a result of an increase in MBS. Interest income from investment and MBS increased $48,000, or 0.3%, to $13.8 million for the three months ended June 30, 2015, compared to $13.7 million for the same period in 2014.  The increase in interest income for the three months is due to an increase in the average balance while partially offset by a decrease in the average yield. The decrease in the overall yield on average investment and MBS for the three and six months ended June 30, 2015 primarily reflects an overall higher interest rate environment during 2014, the purchase of lower yielding securities when compared to those securities paying off, maturing or sold and the addition of Omni's securities portfolio at fair value in a low interest rate environment.  

Average FHLB stock and other investments increased $13.5 million, or 45.1%, to $43.3 million, for the six months ended June 30, 2015, when compared to $29.9 million for the same period in 2014 due to an increase in average FHLB advances during 2015 and the corresponding requirement to hold stock associated with those advances.  Interest income from our FHLB stock and other investments increased $50,000, or 46.3%, during the six months ended June 30, 2015, when compared to the same period in 2014 due to an increase in the average balance and average yield from 0.73% for the six months ended June 30, 2014, compared to 0.74% for the same period in 2015.  For the three months ended June 30, 2015, average FHLB stock and other investments increased $14.6 million, or 52.1%, to $42.7 million, when compared to $28.1 million for the same period in 2014.  Interest income from FHLB stock and other investments increased $27,000, or 71.1%, to $65,000, for the three months ended June 30, 2015, when compared to $38,000 for the same period in 2014 as a result of the increase in the average balance and average yield from 0.54% in 2014 to 0.61% in 2015. The FHLB stock is a variable instrument with the rate typically tied to the federal funds rate.  We are required as a member of the FHLB to own a specific amount of stock that changes as the level of our FHLB advances and asset size change. 

During the six months ended June 30, 2015, our average loans and average securities increased when compared to the same period in 2014. Average loans increased to 50.0% of average total interest earning assets for the six months ended June 30, 2015 as compared to 41.9% for the same period in 2014. Average total securities as a percentage of average total interest earning assets was 48.9% and 56.5% for the six months ended June 30, 2015, and 2014, respectively. The other interest earning asset categories averaged 1.1% and 1.6% for the six months ended June 30, 2015 and 2014, respectively.

Total interest expense increased $1.1 million, or 12.6%, to $9.7 million during the six months ended June 30, 2015, as compared to $8.6 million during the same period in 2014.  The increase was primarily attributable to the increase in average interest bearing liabilities of $1.08 billion, or 41.4%, for the six months ended June 30, 2015 compared to the same period in 2014 which was partially offset by the decrease from the average rate paid of 0.67% for the six months ended June 30, 2014, to 0.53% for the six months ended June 30, 2015.  This increase in average interest bearing liabilities was primarily the result of the acquisition of Omni and included increases in interest bearing deposits of $816.5 million, or 41.4%, short-term interest bearing liabilities of $191.3 million, or 313.9% and long-term FHLB advances of $68.1 million, or 13.5%. For the three months ended June 30, 2015, total interest expense increased $615,000, or 14.5%, to $4.8 million, compared to $4.2 million for the same period in 2014, as a result of an increase in the average balance which more than offset a decrease in the average rate paid.  Average interest bearing liabilities increased $1.11 billion, or 43.4%, while the average rate paid decreased from 0.67% for the three months ended June 30, 2014, to 0.53% for the three months ended June 30, 2015.

Our average total deposits increased $907.1 million, or 35.7%, from $2.54 billion for the six months ended June 30, 2014to $3.45 billion for the six months ended June 30, 2015.  Average interest bearing deposits increased $816.5 million, or 41.4%, from $1.97 billion for the six months ended June 30, 2014 to $2.79 billion for the same period in 2015, while the average rate paid decreased from 0.42% for the six months ended June 30, 2014, to 0.36% for the six months ended June 30, 2015.  Average time deposits increased $237.8 million, or 38.3%, from $620.6 million for the six months ended June 30, 2014 to $858.4 million for the same period in 2015, while the average rate paid decreased to 0.63% for the six months ended June 30, 2015, as compared to 0.73% for the same period in 2014.  Average interest bearing demand deposits increased $460.8 million, or 37.2%, for the six months ended June 30, 2015 when compared to the same period in 2014, while the average rate paid decreased to 0.27% for the six months ended June 30, 2015, as compared to 0.29% for the same period in 2014.  Average savings deposits increased $118.0 million, or 103.4%, for the six months ended June 30, 2015 when compared to the same period in 2014, while the average rate paid decreased

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to 0.10% for the six months ended June 30, 2015, as compared to 0.12% for the same period in 2014.  Interest expense for interest bearing deposits for the six months ended June 30, 2015, increased $922,000, or 22.5%, when compared to the same period in 2014, due to an increase in the average balance which more than offset the decrease in the average rate paid. Average noninterest bearing demand deposits increased $90.6 million, or 16.0%, during the six months ended June 30, 2015 compared to the same period in 2014.  The latter three categories, interest bearing demand deposits, savings deposits and noninterest bearing demand deposits, are considered the lowest cost deposits and comprised 75.1% and 75.6% of total average deposits during the six months ended June 30, 2015 and 2014, respectively.  

At June 30, 2015, we had $28.9 million in brokered CDs as compared to $23.4 million at December 31, 2014. Brokered CDs represented 0.8% of deposits at June 30, 2015 as compared to 0.7% at December 31, 2014, all with maturities of less than five years.

For the three and six months ended June 30, 2015, average short-term interest bearing liabilities, consisting primarily of FHLB advances, federal funds purchased and repurchase agreements, were $232.5 million and $252.3 million, respectively, and reflected increases of $199.7 million, or 609.3%, and $191.3 million, or 313.9%, respectively, when compared to the same periods in 2014.  Average short-term interest bearing liabilities increased due to the acquisition of Omni in the fourth quarter of 2014. Interest expense associated with short-term interest bearing liabilities increased $98,000, or 175.0%, and $169,000, or 133.1%, for the three and six months ended June 30, 2015, respectively, compared to the same periods in 2014, while the average rate paid decreased to 0.27% and 0.24% for the three and six months ended June 30, 2015, compared to 0.69% and 0.42% for the same periods in 2014. The increase in the interest expense was due to an increase in the average balance while partially offset by a decrease in the average rate paid.

For the three and six months ended June 30, 2015, average long-term interest bearing liabilities consisting of FHLB advances were $569.3 million and $572.7 million, respectively, and reflected increases of $61.2 million, or 12.0%, and $68.1 million, or 13.5%, respectively when compared to the same periods in 2014.  Interest expense associated with long-term FHLB advances changed slightly for the three and six months ended June 30, 2015 compared to the same periods in 2014 due to the decrease in the average rates paid. The average rate paid decreased to 1.28% for the six months ended June 30, 2015, when compared to 1.46% for the same period in 2014 and for the three months ended June 30, 2015, the average rate paid decreased to 1.29%, when compared to 1.45% for the same period in 2014.

Average long-term debt, consisting of our junior subordinated debentures, was $60.3 million for the three and six months ended June 30, 2015 and 2014, respectively.  Interest expense associated with long-term debt increased slightly for the three and six months ended June 30, 2015 compared to the same periods in 2014, as a result of a slight increase in the average yield during the three and six months ended June 30, 2015.  The interest rate on the $20.6 million of long-term debentures issued to Southside Statutory Trust III adjusts quarterly at a rate equal to three-month LIBOR plus 294 basis points. The interest rate on the $23.2 million of long-term debentures issued to Southside Statutory Trust IV adjusts quarterly at a rate equal to three-month LIBOR plus 130 basis points. The interest rate on the $12.9 million of long-term debentures issued to Southside Statutory Trust V adjusts quarterly at a rate equal to three-month LIBOR plus 225 basis points.  The interest rate on the $3.6 million of long-term debentures issued to Magnolia Trust Company I, adjusts quarterly at a rate equal to three-month LIBOR plus 180 basis points.

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RESULTS OF OPERATIONS

The analysis below shows average interest earning assets and interest bearing liabilities together with the average yield on the interest earning assets and the average cost of the interest bearing liabilities.

				AVERAGE BALANCES AND YIELDS
						(dollars in thousands)
						(unaudited)
						Three Months Ended
	June 30, 2015							June 30, 2014
	AVG					AVG		AVG					AVG
	BALANCE			INTEREST		YIELD		BALANCE			INTEREST		YIELD
ASSETS
INTEREST EARNING ASSETS:
Loans (1) (2)	$	2,188,886		$	24,889	4.56	%	$	1,371,609		$	19,302	5.64	%
Loans Held For Sale	3,675			45		4.91	%	335			3		3.59	%
Securities:
Investment Securities (Taxable)(4)	86,561			459		2.13	%	31,250			143		1.84	%
Investment Securities (Tax-Exempt)(3)(4)	627,405			8,752		5.60	%	655,865			9,032		5.52	%
Mortgage-backed Securities (4)	1,400,389			7,666		2.20	%	1,125,085			7,557		2.69	%
Total Securities	2,114,355			16,877		3.20	%	1,812,200			16,732		3.70	%
FHLB stock and other investments, at cost	42,741			65		0.61	%	28,109			38		0.54	%
Interest Earning Deposits	39,609			29		0.29	%	34,693			22		0.25	%
Total Interest Earning Assets	4,389,266			41,905		3.83	%	3,246,946			36,097		4.46	%
NONINTEREST EARNING ASSETS:
Cash and Due From Banks	49,760							42,887
Bank Premises and Equipment	111,384							53,108
Other Assets	259,319							126,015
Less:  Allowance for Loan Loss	(17,059		)					(18,635		)
Total Assets	$	4,792,670						$	3,450,321
LIABILITIES AND SHAREHOLDERS’ EQUITY
INTEREST BEARING LIABILITIES:
Savings Deposits	$	234,097		59		0.10	%	$	116,390		34		0.12	%
Time Deposits	853,410			1,313		0.62	%	603,903			1,070		0.71	%
Interest Bearing Demand Deposits	1,701,559			1,121		0.26	%	1,223,788			880		0.29	%
Total Interest Bearing Deposits	2,789,066			2,493		0.36	%	1,944,081			1,984		0.41	%
Short-term Interest Bearing Liabilities	232,471			154		0.27	%	32,777			56		0.69	%
Long-term Interest Bearing Liabilities – FHLB Dallas	569,302			1,837		1.29	%	508,128			1,836		1.45	%
Long-term Debt (5)	60,311			361		2.40	%	60,311			354		2.35	%
Total Interest Bearing Liabilities	3,651,150			4,845		0.53	%	2,545,297			4,230		0.67	%
NONINTEREST BEARING LIABILITIES:
Demand Deposits	669,068							597,852
Other Liabilities	37,607							29,241
Total Liabilities	4,357,825							3,172,390
SHAREHOLDERS’ EQUITY	434,845							277,931
Total Liabilities and Shareholders’ Equity	$	4,792,670						$	3,450,321
NET INTEREST INCOME				$	37,060						$	31,867
NET INTEREST MARGIN ON AVERAGE EARNING ASSETS						3.39	%						3.94	%
NET INTEREST SPREAD						3.30	%						3.79	%

(1) Interest on loans includes net fees on loans that are not material in amount.

(2) Interest income includes taxable-equivalent adjustments of $1,047 and $1,000 for the three months ended June 30, 2015 and 2014, respectively.

(3) Interest income includes taxable-equivalent adjustments of $3,108 and $3,011 for the three months ended June 30, 2015 and 2014, respectively.

(4) For the purpose of calculating the average yield, the average balance of securities is presented at historical cost.

(5) Represents issuance of junior subordinated debentures.

Note: As of June 30, 2015 and 2014, loans totaling $21,223 and $9,620, respectively, were on nonaccrual status. Our policy is to reverse previously accrued but unpaid interest on nonaccrual loans; thereafter, interest income is recorded to the extent received when appropriate.

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				AVERAGE BALANCES AND YIELDS
						(dollars in thousands)
						(unaudited)
						Six Months Ended
	June 30, 2015							June 30, 2014
	AVG					AVG		AVG					AVG
	BALANCE			INTEREST		YIELD		BALANCE			INTEREST		YIELD
ASSETS
INTEREST EARNING ASSETS:
Loans (1) (2)	$	2,189,023		$	49,827	4.59	%	$	1,368,110		$	38,677	5.70	%
Loans Held For Sale	2,835			73		5.19	%	379			8		4.26	%
Securities:
Investment Securities (Taxable)(4)	68,102			696		2.06	%	28,856			266		1.86	%
Investment Securities (Tax-Exempt)(3)(4)	636,269			17,586		5.57	%	649,639			17,874		5.55	%
Mortgage-backed Securities (4)	1,396,519			16,128		2.33	%	1,136,608			15,239		2.70	%
Total Securities	2,100,890			34,410		3.30	%	1,815,103			33,379		3.71	%
FHLB stock and other investments, at cost	43,311			158		0.74	%	29,855			108		0.73	%
Interest Earning Deposits	49,040			63		0.26	%	51,947			65		0.25	%
Total Interest Earning Assets	4,385,099			84,531		3.89	%	3,265,394			72,237		4.46	%
NONINTEREST EARNING ASSETS:
Cash and Due From Banks	53,542							44,430
Bank Premises and Equipment	112,006							52,699
Other Assets	270,806							123,572
Less:  Allowance for Loan Loss	(15,351		)					(18,641		)
Total Assets	$	4,806,102						$	3,467,454
LIABILITIES AND SHAREHOLDERS’ EQUITY
INTEREST BEARING LIABILITIES:
Savings Deposits	$	232,033		112		0.10	%	$	114,052		69		0.12	%
Time Deposits	858,416			2,675		0.63	%	620,631			2,233		0.73	%
Interest Bearing Demand Deposits	1,700,399			2,235		0.27	%	1,239,645			1,798		0.29	%
Total Interest Bearing Deposits	2,790,848			5,022		0.36	%	1,974,328			4,100		0.42	%
Short-term Interest Bearing Liabilities	252,276			296		0.24	%	60,952			127		0.42	%
Long-term Interest Bearing Liabilities – FHLB Dallas	572,731			3,629		1.28	%	504,617			3,644		1.46	%
Long-term Debt (5)	60,311			714		2.39	%	60,311			706		2.36	%
Total Interest Bearing Liabilities	3,676,166			9,661		0.53	%	2,600,208			8,577		0.67	%
NONINTEREST BEARING LIABILITIES:
Demand Deposits	657,386							566,782
Other Liabilities	38,827							27,392
Total Liabilities	4,372,379							3,194,382
SHAREHOLDERS’ EQUITY	433,723							273,072
Total Liabilities and Shareholders’ Equity	$	4,806,102						$	3,467,454
NET INTEREST INCOME				$	74,870						$	63,660
NET INTEREST MARGIN ON AVERAGE EARNING ASSETS						3.44	%						3.93	%
NET INTEREST SPREAD						3.36	%						3.79	%

(1) Interest on loans includes net fees on loans that are not material in amount.

(2) Interest income includes taxable-equivalent adjustments of $2,097 and $2,017 for the six months ended June 30, 2015 and 2014, respectively.

(3) Interest income includes taxable-equivalent adjustments of $6,077 and $5,895 for the six months ended June 30, 2015 and 2014, respectively.

(4) For the purpose of calculating the average yield, the average balance of securities is presented at historical cost.

(5) Represents issuance of junior subordinated debentures.

Note: As of June 30, 2015 and 2014, loans totaling $21,223 and $9,620, respectively, were on nonaccrual status. Our policy is to reverse previously accrued but unpaid interest on nonaccrual loans; thereafter, interest income is recorded to the extent received when appropriate.

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Liquidity and Interest Rate Sensitivity

Liquidity management involves our ability to convert assets to cash with a minimum risk of loss to enable us to meet our obligations to our customers at any time.  This means addressing (1) the immediate cash withdrawal requirements of depositors and other funds providers; (2) the funding requirements of all lines and letters of credit; and (3) the short-term credit needs of customers.  Liquidity is provided by short-term investments that can be readily liquidated with a minimum risk of loss.  Cash, interest earning deposits and short-term investments with maturities or repricing characteristics of one year or less continue to be a substantial percentage of total assets.  At June 30, 2015, these investments were 11.4% of total assets as compared with 12.9% for December 31, 2014 and 15.7% for June 30, 2014.  The decrease to 11.4% at June 30, 2015 is primarily reflective of changes in the investment portfolio.  Liquidity is further provided through the matching, by time period, of rate sensitive interest earning assets with rate sensitive interest bearing liabilities.  Southside Bank has three lines of credit for the purchase of overnight federal funds at prevailing rates.  One $30.0 million and two $15.0 million unsecured lines of credit have been established with Frost Bank, Comerica Bank and TIB - The Independent Bankers Bank, respectively.  There were no federal funds purchased at June 30, 2015.  Southside Bank has a $5.0 million line of credit with Frost Bank to be used to issue letters of credit.  At June 30, 2015, the amount of additional funding Southside Bank could obtain from FHLB using unpledged securities at FHLB was approximately $860.6 million, net of FHLB stock purchases required.  Southside Bank obtained no letters of credit from FHLB as collateral for a portion of its public fund deposits.

Interest rate sensitivity management seeks to avoid fluctuating net interest margins and to enhance consistent growth of new interest income through periods of changing interest rates.  The ALCO closely monitors various liquidity ratios, interest rate spreads and margins.  The ALCO performs interest rate simulation tests that apply various interest rate scenarios including immediate shocks and market value of portfolio equity (“MVPE”) with interest rates immediately shocked plus and minus 200 basis points to assist in determining our overall interest rate risk and adequacy of the liquidity position.  In addition, the ALCO utilizes a simulation model to determine the impact on net interest income of several different interest rate scenarios.  By utilizing this technology, we can determine changes that need to be made to the asset and liability mixes to minimize the change in net interest income under these various interest rate scenarios. See Part I - “Item 3. Quantitative and Qualitative Disclosures about Market Risk” in this Quarterly Report on Form 10-Q.

Noninterest Income

Noninterest income consists of revenue generated from a broad range of financial services and activities including deposit related fee based services such as ATM, overdraft, and check processing fees.  In addition, we earn income from the sale of loans and securities, trust services, bank owned life insurance (“BOLI”), brokerage services, and other fee generating programs that we either provide or in which we participate.

Noninterest income was $8.4 million and $19.5 million for the three and six months ended June 30, 2015, respectively, compared to $6.5 million and $12.3 million for the same periods in 2014, an increase of $1.9 million, or 29.2%, and $7.1 million, or 58.0%, respectively.   The increase in noninterest income for the six months ended June 30, 2015 when compared to the same period in 2014 was due primarily to the increase in the net gain on sale of AFS securities. Other increases occurred in deposit services income, BOLI income, gain on sale of loans, and brokerage services income as well as mortgage servicing fee income, both included in other income, primarily as a result of the acquisition of Omni in December 2014.

During the three months ended June 30, 2015, we primarily sold U.S. Agency MBS and collateralized mortgage obligations (“CMO”) that resulted in an overall gain on the sale of AFS securities of $105,000. This was a continuation of our first quarter strategy to sell U.S. Agency low coupon MBS with longer payment windows from the Omni acquired securities portfolio. During the three months ended June 30, 2015, we primarily purchased premium CMOs with favorable expected returns in relation to risk, CMBS and U.S. Treasury notes.

During the six months ended June 30, 2015, we pro-actively managed the investment portfolio and adjusted the securities acquired in the Omni acquisition to meet our investment objectives. We primarily sold U.S. Agency MBS, CMOs, municipal securities and U.S. Treasury notes that resulted in a net gain on sale of AFS securities of $2.6 million

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compared to $509,000 for the same period in 2014.  The fair value of the AFS securities portfolio at June 30, 2015 was $1.47 billion with a net unrealized gain on that date of $11.4 million.  The net unrealized gain was comprised of $20.0 million in unrealized gains and $8.6 million in unrealized losses.  The fair value of the HTM securities portfolio at June 30, 2015 was $753.5 million with a net unrealized gain on that date of $331,000.  The net unrealized gain was comprised of $20.7 million in unrealized gains and approximately $20.4 million in unrealized losses.  

Deposit services income increased $1.1 million, or 29.7%, and $2.5 million, or 33.3%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase for the three and six months ended June 30, 2015 was due primarily to an increase in ATM and debit card income as well as service charges on deposit accounts and NSF and overdraft income primarily as a result of the acquisition of Omni.

Gain on sale of loans increased $741,000, or 914.8%, and $1.0 million, or 644.7%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase for the three and six months ended June 30, 2015 was due to an increase in the amount of loans sold and the related servicing release and secondary market fees primarily as a result of the acquisition of Omni.

Bank owned life insurance increased $346,000, or 112.7%, and $701,000, or 112.9%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase for the three and six months ended June 30, 2015 was due to the addition of approximately $45.0 million in BOLI acquired in the acquisition of Omni in the fourth quarter of 2014.

Other income increased $26,000, or 2.4%, and $687,000, or 33.4%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014, primarily due to an increase in brokerage service income and mortgage servicing fee income.

Noninterest Expense

We incur certain types of noninterest expenses associated with the operation of our various business activities, the largest of which are salaries and employee benefits. Noninterest expense increased primarily due to expenses associated with the assumption of the operations of Omni which are reflected primarily in salaries and employee benefits and software and data processing expense. These increases were partially offset by decreases in salaries and employee benefits as well as occupancy expense for the three and six months ended June 30, 2015, related to the sale of the SFG Finance (“SFG”) loan portfolio during the fourth quarter of 2014 and the subsequent dissolution of SFG in April 2015.

Noninterest expense was $27.9 million and $57.6 million for the three and six months ended June 30, 2015, respectively, compared to $20.4 million and $40.6 million for the same periods in 2014, respectively, representing an increase of $7.5 million, or 36.7%, and $17.0 million, or 41.9%, for the three and six months ended June 30, 2015, respectively.

Salaries and employee benefits expense increased $3.8 million, or 28.8%, and $8.9 million, or 33.9%, during the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase for the three and six months ended June 30, 2015, was primarily the result of the additional employees added as a result of the acquisition of Omni and to a lesser extent, the increase in retirement expense, direct salary expense and increased health insurance expense.

Direct salary expense and payroll taxes increased $2.6 million, or 22.5%, and $6.9 million, or 29.9%, during the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014. This increase was due to non-recurring salary payments, severance, and stay pay of $1.2 million and $4.1 million, for the three and six months ended June 30, 2015, respectively, as well as additional salary for the employees added associated with the acquisition of Omni, and to a lesser extent, normal salary increases effective in the first quarter of 2015. This increase was partially offset by the decrease in salary expense related to the dissolution of SFG.

Retirement expense, included in salary and benefits, increased $535,000, or 95.0%, and $1.0 million, or 93.3%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase was primarily related to the increase in the defined benefit plan expense due to the funded status of the plan and the decrease in the discount rate to 4.14% from 5.06% for the same periods in 2014. 

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Health and life insurance expense, included in salary and benefits, increased $691,000, or 58.5%, and $983,000, or 46.5%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014.  The increase for the three and six months ended June 30, 2015 was due to increased health claims expense and plan administrative cost for the comparable period of time as well as the acquisition of Omni in the fourth quarter of 2014.  We have a self-insured health plan which is supplemented with stop loss insurance policies.  Health insurance costs are rising nationwide and these costs may continue to increase during the remainder of 2015.

Occupancy expense increased $807,000, or 45.2%, and $2.5 million, or 71.0%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014, due to the addition of 14 branches resulting from the acquisition of Omni in the fourth quarter of 2014, while partially offset by a decrease in expenses related to SFG.

Advertising, travel & entertainment expenses increased $78,000, or 12.9%, and $192,000, or 16.7%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014, due to expenses related to the acquisition of Omni.

ATM and debit card expense increased $448,000, or 148.3%, and $810,000, or 130.9%, for the three and six months ended June 30, 2015, respectively, as compared to the same periods in 2014 due primarily to the addition of 21 ATMs as a result of the acquisition of Omni.

Professional fees decreased $511,000, or 39.2%, and $696,000, or 31.2%, for the three and six months ended June 30, 2015, respectively, when compared to the same periods in 2014, due to a decrease in accounting and audit fees for Southside Bank and a decrease in accounting and legal fees related to SFG.

Software and data processing expenses increased $751,000, or 154.5%, and $1.3 million, or 129.8%, for the three and six months ended June 30, 2015, respectively, as compared to the same periods in 2014 due primarily to the addition of software applications and integration costs in connection with the acquisition of Omni.

Telephone and communication expense increased $283,000, or 88.4%, and $474,000, or 79.3%, for the three and six months ended June 30, 2015, respectively, as compared to the same periods in 2014 primarily due to the addition of 14 branches as a result of the acquisition of Omni while partially offset by a decrease related to SFG.

FDIC insurance increased $195,000, or 44.9%, and $385,000, or 43.7%, for the three and six months ended June 30, 2015, respectively, as compared to the same periods in 2014 due to an increase in the total assessment base which is average consolidated total assets less average tangible equity.

Other expenses increased $1.7 million, or 79.7%, and $3.2 million, or 72.4%, for the three and six months ended June 30, 2015, respectively, as compared to the same periods in 2014 due primarily to increases in amortization expense related to the core deposit intangible, losses associated with check cards, losses on other real estate owned ("OREO"), the retirement of assets in the dissolution of SFG, brokerage services expense, increases in online mobile banking expenses, supplies expense and equipment expense related to the acquisition of Omni. Other expenses were partially offset by decreases in repossession expenses related to SFG.

Income Taxes

Pre-tax income for the three and six months ended June 30, 2015 was $13.1 million and $24.4 million, respectively, compared to $11.3 million and $20.7 million for the same periods in 2014.  We recorded income tax expense of $2.0 million and $3.9 million, respectively, for the three and six months ended June 30, 2015, compared to $838,000 and $2.0 million for the same periods in 2014. The effective tax rate as a percentage of pre-tax income was 15.0% and 15.9%, respectively, for the three and six months ended June 30, 2015, compared to an effective tax rate as a percentage of pre-tax income of 7.4% and 9.7% for the same periods in 2014.  The increase in the effective tax rate for the three and six months ended June 30, 2015 was due to a decrease in tax-exempt income as a percentage of pre-tax income, as compared to the same periods in 2014.  Net deferred tax assets totaled $18.9 million at June 30, 2015, as compared to $12.7 million at December 31, 2014. No valuation allowance for deferred tax assets was recorded at June 30, 2015 or December 31, 2014, as management believes it is more likely than not that all of the deferred tax assets will be realized in future years.

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Capital Resources

Our total shareholders' equity at June 30, 2015, was $431.7 million, representing an increase of 1.5%, or $6.4 million, from December 31, 2014, and represented 8.9% of total assets at June 30, 2015, compared to 8.8% of total assets at December 31, 2014.

Increases to our shareholders’ equity primarily consisted of net income of $20.5 million, the issuance of $613,000 in common stock (21,499 shares) through our dividend re-investment plan, and stock compensation expense of $567,000. These increases were partially offset by $11.4 million in cash dividends paid and an increase in accumulated other comprehensive loss of $4.1 million.

On April 13, 2015, our board of directors declared a 5% stock dividend to common stock shareholders of record as of April 27, 2015, which was paid on May 14, 2015.

As a result of new regulations, we were required to begin complying with higher minimum capital requirements (the "Updated Capital Rules"). The Updated Capital Rules, which became applicable to the Company and the Bank on January 1, 2015, made substantial changes to these previous standards. Among other things, the new regulations (i) introduced a new capital requirement known as “Common Equity Tier 1” (“CET1”), (ii) stated that Tier 1 capital consist of CET1 and “Additional Tier 1 capital” instruments meeting certain requirements, (iii) defined CET1 to require that most deductions and adjustments to regulatory capital measures be made to CET1 and not to the other components of capital and (iv) revised the scope of the deductions and adjustments from capital as compared to regulations that previously applied to the Company and other banking organizations.

The Updated Capital Rules also established the following minimum capital ratios, which started to phase in on January 1, 2015: 4.5 percent CET1 to risk-weighted assets; 6.0 percent Tier 1 capital to risk-weighted assets; 8.0 percent total capital to risk-weighted assets; and 4.0 percent Tier 1 leverage ratio to average consolidated assets. In addition, the Updated Capital Rules also introduced a minimum “capital conservation buffer” equal to 2.5% of an organization’s total risk-weighted assets, which exists in addition to these new required minimum CET1, Tier 1, and total capital ratios. The “capital conservation buffer,” which must consist entirely of CET1, is designed to absorb losses during periods of economic stress. The Updated Capital Rules provide for a number of deductions from and adjustments to CET1, which include the requirement that mortgage servicing rights, deferred tax assets arising from temporary differences that could not be realized through net operating loss carrybacks and significant investments in non-consolidated financial entities be deducted from CET1 to the extent that any one such category exceeds 10% of CET1 or all such categories in the aggregate exceed 15% of CET1.

Under the previous capital framework, the effects of accumulated other comprehensive income items included in shareholders’ equity under U.S. GAAP were excluded for the purposes of determining capital ratios. Under the Updated Capital Rules, the company has elected to permanently exclude capital in accumulated other comprehensive income in Common Equity Tier 1 capital, Tier 1 capital, and Total capital to risk-weighted assets and Tier 1 capital to adjusted quarterly average assets.

Under the Updated Capital Rules, certain hybrid securities, such as trust preferred securities, do not qualify as Tier 1 capital. For bank holding companies that had assets of less than $15 billion as of December 31, 2009, trust preferred securities issued prior to May 19, 2010 can be treated as Tier 1 capital to the extent that they do not exceed 25% of Tier 1 capital after the application of capital deductions and adjustments.

Failure to meet minimum capital requirements could result in certain mandatory and possibly additional discretionary actions by our regulators that, if undertaken, could have a direct material effect on our financial statements. Management believes that, as of June 30, 2015, we met all capital adequacy requirements to which we were subject.

The Federal Deposit Insurance Act requires bank regulatory agencies to take "prompt corrective action" with respect to FDIC-insured depository institutions that do not meet minimum capital requirements.  A depository institution's treatment for purposes of the prompt corrective action provisions will depend on how its capital levels compare to

54

various capital measures and certain other factors, as established by regulation.  Prompt corrective action and other discretionary actions could have a direct material effect on our financial statements.

It is management's intention to maintain our capital at a level acceptable to all regulatory authorities and future dividend payments will be determined accordingly.  Regulatory authorities require that any dividend payments made by either us or the Bank, not exceed earnings for that year.  Shareholders should not anticipate a continuation of the cash dividend simply because of the existence of a dividend reinvestment program.  The payment of dividends will depend upon future earnings, our financial condition, and other related factors including the discretion of the board of directors.

To be categorized as well capitalized we must maintain minimum Common Equity Tier 1 risk-based, Tier 1 risk-based, Total capital risk-based and Tier 1 leverage ratios as set forth in the following table:

	Actual				For Capital Adequacy Purposes				To Be Well Capitalized Under Prompt Corrective Actions Provisions
	Amount		Ratio		Amount		Ratio		Amount		Amount
June 30, 2015	(dollars in thousands)
Common Equity Tier 1 (to Risk Weighted Assets)
Consolidated	$	357,457	14.04	%	$	114,571	4.50	%	N/A		N/A
Bank Only	$	400,073	15.73	%	$	114,425	4.50	%	$	165,281	6.50	%
Tier 1 Capital (to Risk Weighted Assets)
Consolidated	$	410,741	16.13	%	$	152,762	6.00	%	N/A		N/A
Bank Only	$	400,073	15.73	%	$	152,567	6.00	%	$	203,422	8.00	%
Total Capital (to Risk Weighted Assets)
Consolidated	$	428,327	16.82	%	$	203,682	8.00	%	N/A		N/A
Bank Only	$	417,659	16.43	%	$	203,422	8.00	%	$	254,278	10.00	%
Tier 1 Capital (to Average Assets) (1)
Consolidated	$	410,741	8.79	%	$	187,005	4.00	%	N/A		N/A
Bank Only	$	400,073	8.57	%	$	186,706	4.00	%	$	233,383	5.00	%

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	Actual				For Capital Adequacy Purposes				To Be Well Capitalized Under Prompt Corrective Actions Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
December 31, 2014	(dollars in thousands)
Total Capital (to Risk Weighted Assets)
Consolidated	$	412,893	16.69	%	$	197,863	8.00	%	N/A		N/A
Bank Only	$	398,104	16.13	%	$	197,503	8.00	%	$	246,878	10.00	%
Tier 1 Capital (to Risk Weighted Assets)
Consolidated	$	398,798	16.12	%	$	98,932	4.00	%	N/A		N/A
Bank Only	$	384,009	15.55	%	$	98,751	4.00	%	$	148,127	6.00	%
Tier 1 Capital (to Average Assets) (1)
Consolidated	$	398,798	11.35	%	$	140,492	4.00	%	N/A		N/A
Bank Only	$	384,009	10.95	%	$	140,329	4.00	%	$	175,412	5.00	%

(1) Refers to quarterly average assets as calculated in accordance with policies established by bank regulatory agencies.

Management believes that, as of June 30, 2015, Southside Bancshares and Southside Bank would meet all capital adequacy requirements under the Basel III Capital Rules on a fully phased-in basis as if such requirements were currently in effect.

The table below summarizes our key equity ratios for the three and six months ended June 30, 2015 and 2014:

	Three Months Ended June 30,
	2015		2014
Return on Average Assets	0.93	%	1.22	%
Return on Average Shareholders' Equity	10.30		15.09
Dividend Payout Ratio – Basic	52.27		39.62
Dividend Payout Ratio – Diluted	52.27		39.62
Average Shareholders' Equity to Average Total Assets	9.07		8.06
	Six Months Ended June 30,
	2015		2014
Return on Average Assets	0.86	%	1.09	%
Return on Average Shareholders' Equity	9.55		13.80
Dividend Payout Ratio – Basic	56.79		44.68
Dividend Payout Ratio – Diluted	56.79		44.68
Average Shareholders' Equity to Average Total Assets	9.02		7.88

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Composition of Loans

One of our main objectives is to seek attractive lending opportunities in Texas, primarily in the counties in which we operate.  Refer to “Part I - Item 1. Business - Market Area” in our Annual Report on Form 10-K for the year ended December 31, 2014 for a discussion of our primary market area and the geographic concentration of our loan portfolio as of December 31, 2014.  There were no substantial changes in these concentrations during the six months ended June 30, 2015.  Substantially all of our loan originations are made to borrowers who live and conduct business in our primary market area, with the exception of municipal loans, which are made almost entirely in Texas.  Municipal loans are made to municipalities, counties, school districts and colleges primarily throughout the state of Texas.  Prior to the sale of SFG during the fourth quarter of 2014, we purchased portfolios of automobile loans from a variety of lenders throughout the United States.  These high yield loans represented existing subprime automobile loans with payment histories that were collateralized by new and used automobiles.  

Total loans decreased $1.3 million, or 0.1%, to $2.18 billion at June 30, 2015 from $2.18 billion at December 31, 2014, and increased $788.6 million, or 56.7%, from $1.39 billion at June 30, 2014.  Average loans increased $820.9 million, or 60.0%, during the six months ended June 30, 2015 when compared to the same period in 2014.

The banking industry is affected by general economic conditions such as interest rates, inflation, recession, unemployment and other factors beyond our control.  During the last thirty years the Texas economy has continued to diversify, decreasing the overall impact of fluctuations in oil and gas prices; however, the oil and gas industry is still a significant component of the Texas economy.  In the last three to five years, economic growth and business activity across a wide range of industries and regions in the U.S. has been slow and uneven. During that time economic growth and business activity in Texas has exceeded the U.S. average. However, recent decisions by certain members of the Organization of Petroleum Exporting Countries (“OPEC”) to maintain higher crude oil production levels have led to increased global oil supplies which has resulted in significant declines in market oil prices. Decreased market oil prices have compressed margins for many U.S. and Texas-based oil producers, particularly those that utilize higher-cost production technologies such as hydraulic fracking and horizontal drilling, as well as oilfield service providers, energy equipment manufacturers and transportation suppliers, among others. As of July 31, 2015, the price per barrel of crude oil was approximately $47 compared to approximately $98 as of December 31, 2013. A prolonged period of low oil prices could have a negative impact on the U.S. economy and, in particular, the economies of energy-dominant states such as Texas. We cannot predict whether current economic conditions will improve, remain the same or decline.  A decline in credit markets generally could adversely affect our financial condition and results of operation if we are unable to extend credit or sell loans into the secondary market.  Our real estate loan portfolio does not have Alt-A or subprime mortgage exposure.

The following table sets forth loan totals for the periods presented:

	At June 30, 2015		At December 31, 2014		At June 30, 2014
	(in thousands)
Real Estate Loans:
Construction	$	295,633	$	267,830	$	164,668
1-4 Family Residential	683,944		690,895		391,675
Other	500,906		468,171		271,858
Commercial Loans	228,789		226,460		156,893
Municipal Loans	256,492		257,492		239,883
Loans to Individuals	214,099		270,285		166,308
Total Loans	$	2,179,863	$	2,181,133	$	1,391,285

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Total loans decreased for the six months ended June 30, 2015, as a result of the continued roll off of the indirect automobile loan portfolio acquired with the Omni acquisition and payoffs in our 1-4 family residential, and municipal loan portfolios. The increase in our 1-4 family residential loans, constructions loans, other real estate loans, loans to individuals and commercial loans at June 30, 2015 compared to June 30, 2014, was due primarily to the acquisition of Omni and increased activity in the Austin and Dallas-Fort Worth markets.

Construction loans increased $27.8 million, or 10.4%, to $295.6 million at June 30, 2015, from $267.8 million at December 31, 2014, and increased $131.0 million, or 79.5%, from $164.7 million at June 30, 2014. Our construction loans continue to increase due to growth in our Austin and Dallas-Fort Worth markets.

Other real estate loans, which are comprised primarily of commercial real estate loans, increased $32.7 million, or 7.0%, to $500.9 million at June 30, 2015, from $468.2 million at December 31, 2014, and increased $229.0 million, or 84.3%, from $271.9 million at June 30, 2014. Our other real estate loans continued to increase during the six months ended June 30, 2015, primarily as a result of the continued growth in our Austin and Dallas-Fort Worth markets.

Commercial loans increased $2.3 million, or 1.0%, to $228.8 million at June 30, 2015, from $226.5 million at December 31, 2014, and increased $71.9 million, or 45.8%, from $156.9 million at June 30, 2014.

Our 1-4 family residential mortgage loans decreased $7.0 million, or 1.0%, to $683.9 million at June 30, 2015, from $690.9 million at December 31, 2014, and increased $292.3 million, or 74.6%, from $391.7 million at June 30, 2014. Our 1-4 residential mortgage loans decreased for the six months ended June 30, 2015 compared to December 31, 2014, due primarily to payoffs in excess of originations.

Municipal loans decreased $1.0 million, or 0.4%, to $256.5 million at June 30, 2015, from $257.5 million at December 31, 2014, and increased $16.6 million, or 6.9%, from $239.9 million at June 30, 2014.

Loans to individuals decreased $56.2 million, or 20.8%, to $214.1 million at June 30, 2015, from $270.3 million at December 31, 2014, and increased $47.8 million, or 28.7%, from $166.3 million at June 30, 2014.  The decrease in loans to individuals from December 31, 2014 reflects the continued roll-off of the Omni acquired indirect automobile loan portfolio.

Loan Loss Experience and Allowance for Loan Losses

The allowance for loan losses is based on the most current review of the loan portfolio and is a result of multiple processes.  First, the bank utilizes historical data to establish general reserve amounts for each class of loans. The historical charge-off figure is further adjusted through qualitative factors that include general trends in past dues, nonaccruals and classified loans to more effectively and promptly react to both positive and negative movements. Second, our lenders have the primary responsibility for identifying problem loans based on customer financial stress and underlying collateral.  These recommendations are reviewed by senior loan administration, the special assets department and the loan review department.  Third, the loan review department independently reviews the portfolio on an annual basis.  The loan review department follows a board-approved annual loan review scope.  The loan review scope encompasses a number of considerations including the size of the loan, the type of credit extended, the seasoning of the loan and the performance of the loan.  The loan review scope, as it relates to size, focuses more on larger dollar loan relationships, typically, for example, aggregate debt of $500,000 or greater.  The loan review officer also reviews specific reserves compared to general reserves to determine trends in comparative reserves as well as losses not reserved for prior to charge-off to determine the effectiveness of the specific reserve process.

At each review, a subjective analysis methodology is used to grade the respective loan.  Categories of grading vary in severity from loans that do not appear to have a significant probability of loss at the time of review to loans that indicate a probability that the entire balance of the loan will be uncollectible.  If full collection of the loan balance appears unlikely at the time of review, estimates of future expected cash flows or appraisals of the collateral securing the debt are used to determine the necessary allowances.  The internal loan review department maintains a list of all loans or loan relationships that are graded as having more than the normal degree of risk associated with them. In addition, a list of specifically reserved loans or loan relationships of $150,000 or more is updated on a quarterly basis in order to properly determine necessary allowances and keep management informed on the status of attempts to correct the deficiencies noted with respect to the loan.

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We calculate historical loss ratios for pools of similar loans with similar characteristics based on the proportion of actual charge-offs experienced to the total population of loans in the pool. The historical gross loss ratios are updated based on actual charge-off experience quarterly and adjusted for qualitative factors. Our pools of similar loans include consumer loans and loans secured by 1-4 family residential loans.

Prior to September 30, 2014, SFG loans included in loans to individuals that experienced past due status or extension of maturity characteristics were reserved for at higher levels based on the circumstances associated with each specific loan.  In general, the reserves for SFG were calculated based on the past due status of the loan.  For reserve purposes, the portfolio was segregated by past due status and by the remaining term variance from the original contract.  During repayment, loans that paid late took longer to repay than the original contract.  Additionally, some loans may have been granted extensions for extenuating payment circumstances and evaluated for troubled debt classification.  The remaining term extensions increased the risk of collateral deterioration and, accordingly, reserves were increased to recognize this risk.

Industry and our own experience indicates that a portion of our loans will become delinquent and a portion of the loans will require partial or full charge-off.  Regardless of the underwriting criteria utilized, losses may be experienced as a result of various factors beyond our control, including, among other things, changes in market conditions affecting the value of properties used as collateral for loans and problems affecting the credit of the borrower and the ability of the borrower to make payments on the loan.  Our determination of the appropriateness of the allowance for loan losses is based on various considerations, including an analysis of the risk characteristics of various classifications of loans, previous loan loss experience, specific loans which would have loan loss potential, delinquency trends, estimated fair value of the underlying collateral, current economic conditions, and geographic and industry loan concentration.

After all of the data in the loan portfolio is accumulated the reserve allocations are separated into various loan classes.

As of June 30, 2015, our review of the loan portfolio indicated that a loan loss allowance of $16.8 million was appropriate to cover probable losses in the portfolio.  Changes in economic and other conditions may require future adjustments to the allowance for loan losses.

During the six months ended June 30, 2015, the allowance for loan losses increased $3.5 million, or 26.6%, to $16.8 million, or 0.77% of total loans, when compared to $13.3 million, or 0.61% of total loans, at December 31, 2014, as a result of the additional provision associated with the increase of impaired loans. The allowance for loan losses as a percentage of total loans decreased from the comparable period in 2014 from 1.32%, as a result of the loans acquired in connection with the Omni acquisition measured at fair value at the acquisition date with no carryover of the allowance for loan loss and the sale of the loans purchased by SFG, both of which occurred in the fourth quarter of 2014.

For the three and six months ended June 30, 2015, loan charge-offs were $893,000 and $2.0 million, and recoveries were $521,000 and $1.4 million, resulting in net charge-offs of $372,000 and $586,000. For the three and six months ended June 30, 2014, loan charge-offs were $3.5 million and $8.3 million, and recoveries were $517,000 and $1.1 million, resulting in net charge-offs of $3.0 million and $7.3 million. The decrease in net charge-offs for the three and six months ended June 30, 2015, was primarily due to the decrease in the level of charge-offs in the consumer portfolio as compared to the same period last year. The necessary provision expense was estimated at $268,000 and $4.1 million for the three and six months ended June 30, 2015, from $2.7 million and $6.8 million for the comparable periods in 2014.  

Nonperforming Assets

Nonperforming assets consist of delinquent loans 90 days or more past due, nonaccrual loans, OREO, repossessed assets and restructured loans.  Nonaccrual loans are loans 90 days or more delinquent and collection in full of both the principal and interest is not expected.  Additionally, some loans that are not delinquent may be placed on nonaccrual status due to doubts about full collection of principal or interest.  When a loan is categorized as nonaccrual, the accrual of interest is discontinued and any accrued balance is reversed for financial statement purposes.  Restructured loans represent loans that have been renegotiated to provide a reduction or deferral of interest or principal because of deterioration in the financial position of the borrowers.  The restructuring of a loan is considered a “troubled debt restructuring” if both (i) the borrower is experiencing financial difficulties and (ii) the creditor has granted a concession.  Concessions may include interest rate reductions or below market interest rates, principal forgiveness,

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restructuring amortization schedules and other actions intended to minimize potential losses.  Categorization of a loan as nonperforming is not in itself a reliable indicator of potential loan loss.  Other factors, such as the value of collateral securing the loan and the financial condition of the borrower must be considered in judgments as to potential loan loss.  OREO represents real estate taken in full or partial satisfaction of debts previously contracted.  The dollar amount of OREO is based on a current evaluation of the OREO at the time it is recorded on our books, net of estimated selling costs.  Updated valuations are obtained as needed and any additional impairments are recognized.

The following tables set forth nonperforming assets for the periods presented (in thousands):

	At June 30, 2015		At December 31, 2014		At June 30, 2014
Nonaccrual loans	$	21,223	$	4,096	$	9,620
Accruing loans past due more than 90 days	30		4		4
Restructured loans	5,667		5,874		4,036
Other real estate owned	787		1,738		383
Repossessed assets	87		565		492
Total Nonperforming Assets	$	27,794	$	12,277	$	14,535

	At June 30, 2015		At December 31, 2014		At June 30, 2014
Asset Quality Ratios:
Nonaccruing loans to total loans	0.97	%	0.19	%	0.69	%
Allowance for loan losses to nonaccruing loans	79.26		324.51		191.35
Allowance for loan losses to nonperforming assets	60.52		108.27		126.65
Allowance for loan losses to total loans	0.77		0.61		1.32
Nonperforming assets to total assets	0.57		0.26		0.42
Net charge-offs to average loans	0.05		1.44		1.07

Total nonperforming assets at June 30, 2015 were $27.8 million, an increase of $15.5 million, or 126.4%, from $12.3 million at December 31, 2014 and an increase of $13.3 million, or 91.2%, from $14.5 million at June 30, 2014.  The increase in nonperforming assets at June 30, 2015 as compared to December 31, 2014 was primarily due to the downgrade of one large commercial borrowing relationship to impaired status.

From December 31, 2014 to June 30, 2015, nonaccrual loans increased $17.1 million, or 418.1%, to $21.2 million, and $11.6 million, or 120.6% from June 30, 2014.  Of the total nonaccrual loans at June 30, 2015, 67.1% are commercial loans, 15.1% are commercial real estate loans, 9.3% are residential real estate loans, 4.5% are loans to individuals, 2.8% are construction loans, and 1.2% are municipal loans. Restructured loans decreased $207,000, or 3.5%, to $5.7 million at June 30, 2015, from $5.9 million at December 31, 2014 and increased $1.6 million, or 40.4%, from $4.0 million at June 30, 2014.  OREO decreased $951,000, or 54.7%, to $787,000 at June 30, 2015 from $1.7 million at December 31, 2014 and increased $404,000, or 105.5%, from $383,000 at June 30, 2014.  The OREO at June 30, 2015 consisted of 1-4 family residential properties.  We are actively marketing all properties and none are being held for investment purposes.  Repossessed assets decreased $478,000, or 84.6%, to $87,000 at June 30, 2015, from $565,000 at December 31, 2014 and $405,000, or 82.3%, from $492,000 at June 30, 2014.

Acquisition

See “Note 2 – Acquisition” in our consolidated financial statements included in this Quarterly Report on Form 10-Q.

Recent Accounting Pronouncements

See “Note 1 – Basis of Presentation” in our consolidated financial statements included in this Quarterly Report on Form 10-Q.

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ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The disclosures set forth in this item are qualified by the section captioned “Forward-Looking Statements” 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 Quarterly Report on Form 10-Q.

Refer to the discussion of market risks included in “Item 7A.  Quantitative and Qualitative Disclosures About Market Risks” in our Annual Report on Form 10-K for the year ended December 31, 2014.  There have been no significant changes in the types of market risks we face since December 31, 2014.

In the banking industry, a major risk exposure is changing interest rates.  The primary objective of monitoring our interest rate sensitivity, or risk, is to provide management the tools necessary to manage the balance sheet to minimize adverse changes in net interest income as a result of changes in the direction and level of interest rates.  Federal Reserve Board monetary control efforts, the effects of deregulation, economic uncertainty and legislative changes have been significant factors affecting the task of managing interest rate sensitivity positions in recent years.

In an attempt to manage our exposure to changes in interest rates, management closely monitors our exposure to interest rate risk through our ALCO.  Our ALCO meets regularly and reviews our interest rate risk position and makes recommendations to our board for adjusting this position.  In addition, our board reviews our asset/liability position on a monthly basis.  We primarily use two methods for measuring and analyzing interest rate risk:  net income simulation analysis and MVPE modeling.  We utilize the net income simulation model as the primary quantitative tool in measuring the amount of interest rate risk associated with changing market rates.  This model quantifies the effects of various interest rate scenarios on projected net interest income and net income over the next 12 months.  The model is used to measure the impact on net interest income relative to a base case scenario of rates immediately increasing 100 and 200 basis points or decreasing 100 and 200 basis points over the next 12 months.  These simulations incorporate assumptions regarding balance sheet growth and mix, pricing and the repricing and maturity characteristics of the existing and projected balance sheet.  The impact of interest rate-related risks such as prepayment, basis and option risk are also considered.  As of June 30, 2015, the model simulations projected that 100 and 200 basis point immediate increases in interest rates would result in negative variances on net interest income of 2.83% and 5.83%, respectively, relative to the base case over the next 12 months, while an immediate decrease in interest rates of 100 and 200 basis points would result in negative variances in net interest income of 4.03% and 4.28%, respectively, relative to the base case over the next 12 months. As of December 31, 2014, the model simulations projected that 100 and 200 basis point immediate increases in interest rates would result in negative variances on net interest income of 2.34% and 2.29%, respectively, relative to the base case over the next 12 months, while an immediate decrease in interest rates of 100 and 200 basis points would result in a negative variance in net interest income of 3.43% and 3.25%, respectively, relative to the base case over the next 12 months.  As of June 30, 2014, the model simulations projected that 100 and 200 basis point immediate increases in interest rates would result in negative variances on net interest income of 3.51% and 6.15%, respectively, relative to the base case over the next 12 months, while an immediate decrease in interest rates of 100 and 200 basis points would result in a negative variance in net interest income of 2.33% and 2.29%, respectively, relative to the base case over the next 12 months.  As part of the overall assumptions, certain assets and liabilities are given reasonable floors.  This type of simulation analysis requires numerous assumptions including but not limited to changes in balance sheet mix, prepayment rates on mortgage-related assets and fixed rate loans, cash flows and repricing of all financial instruments, changes in volumes and pricing, future shapes of the yield curve, relationship of market interest rates to each other (basis risk), credit spread and deposit sensitivity.  Assumptions are based on management’s best estimates but may not accurately reflect actual results under certain changes in interest rates.

The ALCO monitors various liquidity ratios to ensure a satisfactory liquidity position for us. Management continually evaluates the condition of the economy, the pattern of market interest rates and other economic data to determine the types of investments that should be made and at what maturities. Using this analysis, management from time to time assumes calculated interest sensitivity gap positions to maximize net interest income based upon anticipated movements in the general level of interest rates. Regulatory authorities also monitor our gap position along with other liquidity ratios. In addition, as described above, we utilize a simulation model to determine the impact of net interest income

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under several different interest rate scenarios. By utilizing this technology, we can determine changes that need to be made to the asset and liability mixes to mitigate the change in net interest income under these various interest rate scenarios.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

Management, including our Chief Executive Officer (“CEO”) and our Chief Financial Officer (“CFO”), undertook an evaluation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report, and, based on that evaluation, our CEO and CFO concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report, in recording, processing, summarizing and reporting in a timely manner the information that the Company is required to disclose in its reports under the  Exchange Act and in accumulating and communicating to the Company's management, including the Company's CEO and CFO, such information as appropriate to allow timely decisions regarding required disclosure.  

Changes in Internal Control Over Financial Reporting

No changes were made to our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) during the quarter ended June 30, 2015 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

On December 17, 2014, Southside completed the acquisition of Omni in a purchase business combination. Full integration of our policies, processes, technology and operations was almost complete as of June 30, 2015. Management will continue to evaluate Southside's internal control over financial reporting as it continues its integration work.

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PART II. OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

We are involved with various litigation in the normal course of business. Management, after consulting with our legal counsel, believes that any liability resulting from litigation will not have a material effect on our financial position, results of operations or liquidity.

ITEM 1A.    RISK FACTORS

Additional information regarding risk factors appears in “Item 2.  Management's Discussion and Analysis of Financial Condition and Results of Operations - Forward-Looking Statements” of this Form 10-Q and in Part I - “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2014.  There have been no material changes from the risk factors previously disclosed in our Annual Report on Form 10-K for the year ended December 31, 2014. The risks and uncertainties described in our Annual Report on Form 10-K for the year ended December 31, 2014 are not the only ones we face. Additional risks and uncertainties that management is not aware of or focused on or that management currently deems immaterial may also impair our business operations.

ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Not Applicable.

ITEM 3.    DEFAULTS UPON SENIOR SECURITIES

Not Applicable.

ITEM 4.    MINE SAFETY DISCLOSURES

Not Applicable.

ITEM 5.    OTHER INFORMATION

Not Applicable.

ITEM 6.    EXHIBITS

A list of exhibits to this Form 10-Q is set forth on the Exhibit Index and is incorporated herein by reference.

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SIGNATURES

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

		SOUTHSIDE BANCSHARES, INC.
DATE:	August 7, 2015	BY:	/s/ SAM DAWSON
			Sam Dawson
			President and Chief Executive Officer
			(Principal Executive Officer)
DATE:	August 7, 2015	BY:	/s/ LEE R. GIBSON
			Lee R. Gibson, CPA
			Senior Executive Vice President and Chief Financial Officer
			(Principal Financial Officer)

64

Exhibit Index

Exhibit Number	Description
3 (a)	Restated Certificate of Formation of Southside Bancshares, Inc. effective May 2, 2014 (filed as Exhibit 3(a) to the Registrant's Form 10-Q for the quarter ended March 31, 2014, filed May 9, 2014, and incorporated herein by reference).
3 (b)(i)	Amended and Restated Bylaws of Southside Bancshares, Inc. effective November 20, 2014 (filed as Exhibit 3.1 to the Registrant’s Form 8-K, filed November 24, 2014, and incorporated herein by reference).
*31.1	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
*31.2	Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
†*32	Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
*101.INS	XBRL Instance Document.
*101.SCH	XBRL Taxonomy Extension Schema Document.
*101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.
*101.LAB	XBRL Taxonomy Extension Label Linkbase Document.
*101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.
*101.DEF	XBRL Taxonomy Extension Definition Linkbase Document.
*Filed herewith.
† The certification attached as Exhibit 32 accompanies this Quarterly Report on Form 10-Q and is “furnished” to the Commission pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not be deemed “filed” by us for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.

65

EX-31.1

Exhibit 31.1

Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Sam Dawson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Southside Bancshares, Inc.;

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

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

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

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

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

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

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

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

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

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

Date:	August 7, 2015	By:	/s/ SAM DAWSON
			Sam Dawson
			President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Lee R. Gibson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Southside Bancshares, Inc.;

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

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

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

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

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

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

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

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

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

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

Date:	August 7, 2015	By:	/s/ LEE R. GIBSON
			Lee R. Gibson, CPA
			Senior Executive Vice President and Chief Financial Officer

EX-32

Exhibit 32

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the filing of the Quarterly Report on Form 10-Q for the period ended June 30, 2015 (the “Report”) by Southside Bancshares, Inc. (“Registrant”), each of the undersigned hereby certifies that to his knowledge:

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

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Registrant.

Date:	August 7, 2015	By:	/s/ SAM DAWSON
			Sam Dawson
			President and Chief Executive Officer
Date:	August 7, 2015	By:	/s/ LEE R. GIBSON
			Lee R. Gibson, CPA
			Senior Executive Vice President and Chief Financial Officer

XML

Securities - Unrealized Loss on Securities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	$ 574,554	$ 412,880
More than 12 months, fair value	35,125	82,017
Total fair value	609,679	494,897
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	7,525	743
More than 12 months, unrealized loss	1,027	1,147
Total unrealized loss	8,552	1,890
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	256,984	7,843
More than 12 months, fair value	62,763	109,090
Total fair value	319,747	116,933
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Less than 12 months, unrealized loss	2,871	31
More than 12 months, unrealized loss	1,740	1,214
Total unrealized loss	4,611	1,245
US Treasury
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	71,085	4,968
More than 12 months, fair value	0	0
Total fair value	71,085	4,968
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	914	7
More than 12 months, unrealized loss	0	0
Total unrealized loss	914	7
US Government Agency Debentures
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	0	4,828
More than 12 months, fair value	0	0
Total fair value	0	4,828
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	0	7
More than 12 months, unrealized loss	0	0
Total unrealized loss	0	7
State and Political Subdivisions
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	93,099	28,155
More than 12 months, fair value	26,796	44,269
Total fair value	119,895	72,424
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	1,178	90
More than 12 months, unrealized loss	1,004	816
Total unrealized loss	2,182	906
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	119,415	7,843
More than 12 months, fair value	56,247	64,946
Total fair value	175,662	72,789
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Less than 12 months, unrealized loss	986	31
More than 12 months, unrealized loss	1,648	725
Total unrealized loss	2,634	756
Other Equity Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	6,027	6,049
More than 12 months, fair value	0	0
Total fair value	6,027	6,049
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	31	12
More than 12 months, unrealized loss	0	0
Total unrealized loss	31	12
Residential MBS
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	139,161	347,777
More than 12 months, fair value	8,329	27,632
Total fair value	147,490	375,409
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	849	573
More than 12 months, unrealized loss	23	234
Total unrealized loss	872	807
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	0	0
More than 12 months, fair value	0	0
Total fair value	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Less than 12 months, unrealized loss	0	0
More than 12 months, unrealized loss	0	0
Total unrealized loss	0	0
Commercial MBS
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	265,182	21,103
More than 12 months, fair value	0	10,116
Total fair value	265,182	31,219
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract]
Less than 12 months, unrealized loss	4,553	54
More than 12 months, unrealized loss	0	97
Total unrealized loss	4,553	151
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less than 12 months, fair value	137,569	0
More than 12 months, fair value	6,516	44,144
Total fair value	144,085	44,144
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract]
Less than 12 months, unrealized loss	1,885	0
More than 12 months, unrealized loss	92	489
Total unrealized loss	$ 1,977	$ 489

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Loans and Allowance for Probable Loan Losses - Purchased Credit Impaired (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Purchased Credit Impaired [Abstract]
Outstanding principal balance	$ 30,215	$ 30,215	$ 32,572
Carrying Amount	20,291	20,291	$ 21,346
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance at beginning of period	1,296	1,820
Additions	0	0
Additions due to acquisition	0	0
Accretion	(618)	(1,142)
Balance at end of period	$ 678	$ 678

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Loans and Allowance for Probable Loan Losses - Nonperforming Assets by Asset Class (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Nonperforming Assets by Asset Class [Abstract]
Nonaccrual loans	[1],[2]	$ 21,223	$ 4,096
Accruing loans past due more than 90 days	[2]	30	4
Restructured loans	[2]	5,667	5,874
Other real estate owned		787	1,738
Repossessed assets		87	565
Total nonperforming assets		$ 27,794	$ 12,277

[1] Excludes PCI loans measured at fair value at acquisition.

[2] Excludes PCI loans measured at fair value at acquisition.

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Loans and Allowance for Probable Loan Losses - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2014
Receivables [Abstract]
Financing Receivable, significant sales				$ 70,300,000
Financing receivable, significant purchases, net of discount		$ 30,400,000
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Loan review larger dollar loan relationship scope, aggregate debt	$ 500,000		$ 500,000
Specifically reserved loans or loan relationships threshold	150,000		150,000
Loans transferred to other repossessed assets and real estate through foreclosure	170,000		170,000
Material defaults	0	0	0
Loans and leases receivable, impaired, commitment to lend	$ 0	$ 0	$ 0

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Loans and Allowance for Probable Loan Losses - Allowance for Loan Losses, Loan Portfolio, by Impairment Method (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		$ 24,349	$ 9,022
Loans collectively evaluated for impairment		2,135,223	2,150,765	[1]
Total ending loan balance	[2]	2,179,863	2,181,133
Construction
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		2,342	2,461
Loans collectively evaluated for impairment		293,061	264,584	[1]
Total ending loan balance		295,633	267,830
1-4 Family Residential
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		1,793	2,936
Loans collectively evaluated for impairment		675,039	680,658	[1]
Total ending loan balance		683,944	690,895
Other
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		4,099	1,605
Loans collectively evaluated for impairment		493,344	463,564	[1]
Total ending loan balance		500,906	468,171
Commercial Loans
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		14,987	1,011
Loans collectively evaluated for impairment		204,826	216,272	[1]
Total ending loan balance		228,789	226,460
Municipal Loans
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		949	699
Loans collectively evaluated for impairment		255,543	256,793	[1]
Total ending loan balance		256,492	257,492
Loans to Individuals
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Loans individually evaluated for impairment		179	310
Loans collectively evaluated for impairment		213,410	268,894	[1]
Total ending loan balance		214,099	270,285
Receivables Acquired with Deteriorated Credit Quality [Member]
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		20,291	21,346	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | Construction
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		230	785	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | 1-4 Family Residential
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		7,112	7,301	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | Other
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		3,463	3,002	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial Loans
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		8,976	9,177	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | Municipal Loans
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		0	0	[3]
Receivables Acquired with Deteriorated Credit Quality [Member] | Loans to Individuals
Schedule of Allowance For Loan Losses, Loan Balance, by Impairment Method [Line Items]
Purchased credit impaired loans		$ 510	$ 1,081	[3]

[1] Includes purchased non impaired loans which were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

[2] Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss.

[3] PCI loans were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

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Basis of Presentation - Stock Dividend Percentage (Details) - 6 months ended Jun. 30, 2015	Total
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Stock dividend, declared	Apr. 13, 2015
Stock dividend declared, percentage of common stock	5.00%
Stock Dividends Payable, Date of Record	Apr. 27, 2015
Stock Dividends Payable, Date Paid	May 14, 2015

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Employee Benefit Plans - Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Pension Plan
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 443	$ 401	$ 919	$ 849
Interest cost	848	876	1,705	1,748
Expected return on assets	(1,420)	(1,412)	(2,842)	(2,824)
Net actuarial loss recognition	369	141	752	272
Prior service (credit) cost amortization	(5)	(6)	(11)	(10)
Net periodic benefit cost	235	0	523	35
Defined Benefit Pension Plan Acquired
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	0	0	0	0
Interest cost	60	0	119	0
Expected return on assets	(74)	0	(147)	0
Net actuarial loss recognition	0	0	0	0
Prior service (credit) cost amortization	0	0	0	0
Net periodic benefit cost	(14)	0	(28)	0
Restoration Plan
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	118	68	191	137
Interest cost	171	145	306	281
Expected return on assets	0	0	0	0
Net actuarial loss recognition	245	148	393	249
Prior service (credit) cost amortization	1	2	3	3
Net periodic benefit cost	$ 535	$ 363	$ 893	$ 670

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Securities (Tables)

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized cost and estimated fair value of investment and mortgage-backed securities

The amortized cost, carrying value, and estimated fair value of investment and mortgage-backed securities as of June 30, 2015 and December 31, 2014 are reflected in the tables below (in thousands):

	June 30, 2015
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	101,239	$	198	$	914	$	100,523	$	—	$	—	$	100,523
U.S. Government Agency Debentures	4,845		1		—		4,846		—		—		4,846
State and Political Subdivisions	243,446		5,156		2,182		246,420		—		—		246,420
Other Stocks and Bonds	13,092		111		—		13,203		—		—		13,203
Other Equity Securities	6,058		—		31		6,027		—		—		6,027
Mortgage-backed Securities: (1)
Residential	713,576		13,622		872		726,326		—		—		726,326
Commercial	372,155		874		4,553		368,476		—		—		368,476
Total	$	1,454,411	$	19,962	$	8,552	$	1,465,821	$	—	$	—	$	1,465,821
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	391,784	$	5,193	$	9,765	$	387,212	$	6,613	$	2,634	$	391,191
Mortgage-backed Securities: (1)
Residential	41,215		—		61		41,154		2,602		—		43,756
Commercial	320,144		1,315		5,944		315,515		4,989		1,977		318,527
Total	$	753,143	$	6,508	$	15,770	$	743,881	$	14,204	$	4,611	$	753,474

	December 31, 2014
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	14,883	$	30	$	7	$	14,906	$	—	$	—	$	14,906
U.S. Government Agency Debentures	4,835		—		7		4,828		—		—		4,828
State and Political Subdivisions	260,535		8,055		906		267,684		—		—		267,684
Other Stocks and Bonds	13,086		153		—		13,239		—		—		13,239
Other Equity Securities	6,061		—		12		6,049		—		—		6,049
Mortgage-backed Securities:(1)
Residential	952,481		12,624		807		964,298		—		—		964,298
Commercial	176,112		1,743		151		177,704		—		—		177,704
Total	$	1,427,993	$	22,605	$	1,890	$	1,448,708	$	—	$	—	$	1,448,708
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	393,525	$	5,168	$	9,870	$	388,823	$	12,181	$	756	$	400,248
Mortgage-backed Securities:(1)
Residential	52,287		—		70		52,217		2,871		—		55,088
Commercial	207,624		—		6,345		201,279		5,461		489		206,251
Total	$	653,436	$	5,168	$	16,285	$	642,319	$	20,513	$	1,245	$	661,587

(1) All mortgage-backed securities issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

Unrealized loss on securities

The following table represents the unrealized loss on securities as of June 30, 2015 and December 31, 2014 (in thousands):

	As of June 30, 2015
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	71,085	$	914	$	—	$	—	$	71,085	$	914
State and Political Subdivisions	93,099		1,178		26,796		1,004		119,895		2,182
Other Equity Securities	6,027		31		—		—		6,027		31
Mortgage-backed Securities:
Residential	139,161		849		8,329		23		147,490		872
Commercial	265,182		4,553		—		—		265,182		4,553
Total	$	574,554	$	7,525	$	35,125	$	1,027	$	609,679	$	8,552
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	119,415	$	986	$	56,247	$	1,648	$	175,662	$	2,634
Mortgage-backed Securities:
Commercial	137,569		1,885		6,516		92		144,085		1,977
Total	$	256,984	$	2,871	$	62,763	$	1,740	$	319,747	$	4,611
	As of December 31, 2014
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	4,968	$	7	$	—	$	—	$	4,968	$	7
U.S. Government Agency Debentures	4,828		7		—		—		4,828		7
State and Political Subdivisions	28,155		90		44,269		816		72,424		906
Other Equity Securities	6,049		12		—		—		6,049		12
Mortgage-backed Securities:
Residential	347,777		573		27,632		234		375,409		807
Commercial	21,103		54		10,116		97		31,219		151
Total	$	412,880	$	743	$	82,017	$	1,147	$	494,897	$	1,890
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	7,843	$	31	$	64,946	$	725	$	72,789	$	756
Mortgage-backed Securities:
Commercial	—		—		44,144		489		44,144		489
Total	$	7,843	$	31	$	109,090	$	1,214	$	116,933	$	1,245

Interest income recognized on securities

Interest income recognized on securities for the periods presented (in thousands):

	Three Months Ended June 30,
	2015		2014
U.S. Treasury	$	345	$	41
U.S. Government Agency Debentures	32		41
State and Political Subdivisions	5,645		6,031
Other Stocks and Bonds	52		51
Other Equity Securities	29		—
Mortgage-backed Securities	7,666		7,557
Total interest income on securities	$	13,769	$	13,721

	Six Months Ended June 30,
	2015		2014
U.S. Treasury	$	461	$	41
U.S. Government Agency Debentures	64		100
State and Political Subdivisions	11,515		12,001
Other Stocks and Bonds	104		103
Other Equity Securities	61		—
Mortgage-backed Securities	16,128		15,239
Total interest income on securities	$	28,333	$	27,484

Amortized cost, carrying value and fair value of securities presented by contractual maturity

The amortized cost, carrying value and fair value of securities at June 30, 2015, are presented below by contractual maturity.  Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations.  MBS are presented in total by category due to the fact that MBS typically are issued with stated principal amounts, and the securities are backed by pools of mortgages that have loans with varying maturities.  The characteristics of the underlying pool of mortgages, such as fixed-rate or adjustable-rate, as well as prepayment risk, are passed on to the security holder.  The term of a mortgage-backed pass-through security thus approximates the term of the underlying mortgages and can vary significantly due to prepayments.

	June 30, 2015
	Amortized Cost		Fair Value
AVAILABLE FOR SALE	(in thousands)
Investment Securities:
Due in one year or less	$	10,479	$	10,533
Due after one year through five years	26,347		26,786
Due after five years through ten years	150,749		150,286
Due after ten years	175,047		177,387
	362,622		364,992
Mortgage-backed Securities and Other Equity Securities:	1,091,789		1,100,829
Total	$	1,454,411	$	1,465,821

	June 30, 2015
	Carrying Value		Fair Value
HELD TO MATURITY	(in thousands)
Investment Securities:
Due in one year or less	$	1,067	$	1,068
Due after one year through five years	11,205		11,481
Due after five years through ten years	42,863		42,969
Due after ten years	332,077		335,673
	387,212		391,191
Mortgage-backed Securities:	356,669		362,283
Total	$	743,881	$	753,474

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Loans and Allowance for Probable Loan Losses - Impaired Loans by Class of Loan (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance	[1]	$ 27,302	$ 11,010
Recorded investment with allowance	[1]	24,782	9,940
Related Allowance for Loan Losses	[1]	3,715	536
Construction
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		3,093	3,183
Recorded investment with allowance		2,342	2,461
Related Allowance for Loan Losses		45	43
1-4 Family Residential
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		1,877	4,023
Recorded investment with allowance		1,793	3,854
Related Allowance for Loan Losses		28	108
Other
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		4,587	1,622
Recorded investment with allowance		4,532	1,605
Related Allowance for Loan Losses		121	26
Commercial Loans
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		16,597	1,162
Recorded investment with allowance		14,987	1,011
Related Allowance for Loan Losses		3,274	242
Municipal Loans
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		949	699
Recorded investment with allowance		949	699
Related Allowance for Loan Losses		201	14
Loans to Individuals
Impaired Financing Receivable, Recorded Investment [Abstract]
Unpaid contractual principal balance		199	321
Recorded investment with allowance		179	310
Related Allowance for Loan Losses		$ 46	$ 103

[1] PCI loans are excluded from this table as there was no evidence of further deterioration in credit quality subsequent to the acquisition date that would indicate it is probable that our recorded investment in these loans would not be recoverable.

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Securities - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract]
Net realized gain on AFS securities	$ 2,600	$ 509
Realized gains	2,700	4,600
Realized losses	120	$ 4,100
Held-to-maturity Securities, Other Disclosure Items [Abstract]
Proceeds from sale of held-to-maturity securities	0		$ 0
Pledged Financial Instruments, Not Separately Reported, Securities	1,100,000		$ 1,120,000
Commercial Mortgage Backed Securities, Reclassified From Available For Sale To Held To Maturity, Fair Value	57,700
Available for Sale Securities, Transferred to Held to Maturity Securities, Unrealized Gain (Loss)	1,300
Available For Sale Securities Transferred To Held To Maturity Securities Unrealized Gains (Losses) Net Of Tax	$ 864

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Accumulated Other Comprehensive (Loss) Income - Reclassifications out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized net gain on sale of securities		$ 105	$ 498	$ 2,581	$ 509
Tax (expense) benefit		(1,967)	(838)	(3,870)	(1,997)
Net of tax		11,164	10,457	20,543	18,681
Total before tax		(505)	213	1,444	(5)
Gains and losses on available for sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax		105	498	2,581	509
Net Gain (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax		(614)	(289)	(1,145)	(521)
Net Prior Service (Cost) Credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax		4	4	8	7
Reclassification out of accumulated other comprehensive income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period, net of tax		(328)	139	939	(3)
Reclassification out of accumulated other comprehensive income | Gains and losses on available for sale securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized net gain on sale of securities	[1]	105	498	2,581	509
Tax (expense) benefit		(36)	(174)	(903)	(178)
Net of tax		69	324	1,678	331
Reclassification out of accumulated other comprehensive income | Net Gain (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	[2]	(614)	(289)	(1,145)	(521)
Reclassification out of accumulated other comprehensive income | Net Prior Service (Cost) Credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	[2]	4	4	8	7
Reclassification out of accumulated other comprehensive income | Amortization of pension plan items
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax		(610)	(285)	(1,137)	(514)
Tax benefit		213	100	398	180
Total reclassifications for the period, net of tax		$ (397)	$ (185)	$ (739)	$ (334)

[1] Listed as net gain on sale of securities available for sale on the consolidated statements of income.

[2] These accumulated other comprehensive income components are included in the computation of net periodic pension cost presented in “Note 8 - Employee Benefit Plans.”

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Loans and Allowance for Probable Loan Losses - Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2015	[1]	Jun. 30, 2014	Jun. 30, 2015	[1]	Jun. 30, 2014
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	$ 26,632		$ 12,246	$ 19,550		$ 11,806
Interest income recognized	70		108	138		294
Construction
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	2,361		1,643	2,382		1,578
Interest income recognized	23		9	46		11
1-4 Family Residential
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	3,692		3,418	3,855		2,982
Interest income recognized	14		21	29		65
Other
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	3,586		2,838	2,731		2,362
Interest income recognized	13		22	25		75
Commercial Loans
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	15,163		1,444	9,070		1,446
Interest income recognized	9		12	18		19
Municipal Loans
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	949		759	842		759
Interest income recognized	10		21	19		21
Loans to Individuals
Impaired Financing Receivable, Average Recorded Investment and Interest Income on Impaired Loans [Abstract]
Average recorded investment	881		2,144	670		2,679
Interest income recognized	$ 1		$ 23	$ 1		$ 103

[1] Excludes PCI loans measured at fair value at acquisition.

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Share-based Incentive Plans - Share-based Incentive Plans, Stock Options Exercise Price Range (Details) - Jun. 30, 2015 - $ / shares	Total
Shares Outstanding
Number of shares	761,789
Weighted- average exercise price (in dollars per share)	$ 23.81
Weighted- average remaining contractual term (in years)	8 years 6 months 15 days
Options Exercisable
Number of shares	220,437
Weighted- average exercise price (in dollars per share)	$ 18.14
$15.79 - $28.51
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower range limit (in dollars per share)	15.79
Range of exercise prices, upper range limit (in dollars per share)	$ 28.51
Shares Outstanding
Number of shares	761,789
Weighted- average exercise price (in dollars per share)	$ 23.81
Weighted- average remaining contractual term (in years)	8 years 6 months 15 days
Options Exercisable
Number of shares	220,437
Weighted- average exercise price (in dollars per share)	$ 18.14

XML

Loans and Allowance for Probable Loan Losses - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands		Jun. 30, 2015		Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross	[1]	$ 2,179,863		$ 2,181,133
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net		20,291		21,346
Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		2,118,939		2,118,189
Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		2,219		5,528
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		4,075	[2]	6,713	[3]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	[2]	100		700
Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		41,214	[2]	49,244	[3]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	[2]	4,400		17,800
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		13,416	[2]	1,459
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	[2]	10,400
Construction
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		295,633		267,830
Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		290,038		260,183
Construction | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		29		862
Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		1,366	[2]	1,394	[3]
Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		4,174	[2]	5,363	[3]
Construction | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		26	[2]	28
1-4 Family Residential
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		683,944		690,895
1-4 Family Residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		670,852		677,559
1-4 Family Residential | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		1,428		1,453
1-4 Family Residential | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		1,664	[2]	1,706	[3]
1-4 Family Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		6,305	[2]	9,167	[3]
1-4 Family Residential | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		3,695	[2]	1,010
Other
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		500,906		468,171
Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		489,166		455,394
Other | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		0		2,416
Other | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		83	[2]	2,569	[3]
Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		11,657	[2]	7,792	[3]
Other | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		0	[2]	0
Commercial Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		228,789		226,460
Commercial Loans | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		200,583		199,306
Commercial Loans | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		751		781
Commercial Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		962	[2]	1,044	[3]
Commercial Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		17,910	[2]	25,102	[3]
Commercial Loans | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		8,583	[2]	227
Municipal Loans
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		256,492		257,492
Municipal Loans | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		255,543		256,543
Municipal Loans | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		0		0
Municipal Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		0	[2]	0	[3]
Municipal Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		699	[2]	949	[3]
Municipal Loans | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		250	[2]	0
Loans to Individuals
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		214,099		270,285
Loans to Individuals | Pass
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		212,757		269,204
Loans to Individuals | Pass Watch
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		11		16
Loans to Individuals | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		0	[2]	0	[3]
Loans to Individuals | Substandard
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		469	[2]	871	[3]
Loans to Individuals | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross		$ 862	[2]	$ 194

[1] Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss.

[2] Includes $0.1 million special mention, $4.4 million substandard, and $10.4 million doubtful of PCI loans as of June 30, 2015.

[3] Includes $0.7 million special mention and $17.8 million substandard of PCI loans as of December 31, 2014.

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CONSOLIDATED STATEMENTS OF CASH FLOWS CONSOLIDATED STATEMENTS OF CASH FLOW (Parenthetical)	6 Months Ended
	Jun. 30, 2015
Stock dividend declared, percentage of common stock	5.00%

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Fair Value Measurement - Fair Value Measurements, Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		$ 106,550	$ 20,955
Assets, Fair Value Disclosure, Nonrecurring		0	0
Level 1 | Foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0	0
Level 1 | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	[1]	0	0
Level 1 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		100,523	14,906
Level 1 | US Government Agency Debentures
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 1 | State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 1 | Other Stocks and Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 1 | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		6,027	6,049
Level 1 | Residential MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	0	0
Level 1 | Commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		1,359,271	1,427,753
Assets, Fair Value Disclosure, Nonrecurring		0	0
Level 2 | Foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0	0
Level 2 | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	[1]	0	0
Level 2 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 2 | US Government Agency Debentures
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		4,846	4,828
Level 2 | State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		246,420	267,684
Level 2 | Other Stocks and Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		13,203	13,239
Level 2 | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 2 | Residential MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	726,326	964,298
Level 2 | Commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	368,476	177,704
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Assets, Fair Value Disclosure, Nonrecurring		21,941	11,707
Level 3 | Foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		874	2,303
Level 3 | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	[1]	21,067	9,404
Level 3 | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 3 | US Government Agency Debentures
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 3 | State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 3 | Other Stocks and Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 3 | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		0	0
Level 3 | Residential MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	0	0
Level 3 | Commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	0	0
Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		1,465,821	1,448,708
Assets, Fair Value Disclosure, Nonrecurring		21,941	11,707
Carrying Amount | Foreclosed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		874	2,303
Carrying Amount | Impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	[1]	21,067	9,404
Carrying Amount | US Treasury
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		100,523	14,906
Carrying Amount | US Government Agency Debentures
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		4,846	4,828
Carrying Amount | State and Political Subdivisions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		246,420	267,684
Carrying Amount | Other Stocks and Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		13,203	13,239
Carrying Amount | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring		6,027	6,049
Carrying Amount | Residential MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	726,326	964,298
Carrying Amount | Commercial MBS
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	[2]	$ 368,476	$ 177,704

[1] Loans represent collateral dependent impaired loans with a specific valuation allowance. Losses on these loans represent charge-offs which are netted against the allowance for loan losses.

[2] All mortgage-backed securities are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

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Loans and Allowance for Probable Loan Losses - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance	[1]	$ 2,179,863	$ 2,181,133
Less: Allowance for loan losses		16,822	13,292
Net loans		2,163,041	2,167,841
Construction
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		295,633	267,830
1-4 Family Residential
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		683,944	690,895
Other
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		500,906	468,171
Commercial Loans
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		228,789	226,460
Municipal Loans
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		256,492	257,492
Loans to Individuals
Loans and Leases Receivable Disclosure [Abstract]
Total ending loan balance		214,099	270,285
OmniAmerican Bancorp, Inc.
Loans and Financing Receivable [Line Items]
Loans acquired carrying amount		$ 679,700	$ 763,300

[1] Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss.

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Share-based Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock option valuation assumptions

The estimated weighted-average grant-date fair value per option and the underlying Black-Scholes option-pricing model assumptions for stock options granted during the six months ended June 30, 2015 are summarized in the following table:

	Six Months Ended
	June 30, 2015
Weighted-average grant date fair value per option	$6.29
Weighted-average assumptions:
Risk-free interest rates	2.01%
Expected dividend yield	3.24%
Expected volatility factors of the market price of Southside Bancshares common stock	30.91%
Expected option life (in years)	6.3

Summary of activity in share-based plans

The following table presents activity related to our RSUs and NQSOs for the six months ended June 30, 2015.

			Restricted Stock Units Outstanding				Stock Options Outstanding
	Shares Available for Grant		Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Exercise Price		Weighted- Average Grant-Date Fair Value
Balance, January 1, 2015	821,604		31,753		$	21.75	419,334		$	19.88	$	6.00
Granted	(425,437	)	55,332		27.69		370,105		28.08		6.29
Stock options exercised	—		—		—		(9,351	)	18.04		5.39
Stock awards vested	—		(3,132	)	15.79		—		—		—
Forfeited	20,669		(2,821	)	25.24		(17,848	)	22.87		6.75
Canceled/expired	451		—		—		(451	)	24.62		7.78
Balance, June 30, 2015	417,287		81,132		$	25.91	761,789		$	23.81	$	6.13

Schedule of other information regarding options outstanding and exercisable

Other information regarding options outstanding and exercisable as of June 30, 2015 is as follows:

				Options Outstanding				Options Exercisable
Range of Exercise Prices				Number of Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life in Years	Number of Shares	Weighted- Average Exercise Price
$	15.79	-	$28.51	761,789	$	23.81	8.54	220,437	$	18.14
Total				761,789	$	23.81	8.54	220,437	$	18.14

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]

The components of net periodic benefit cost

The components of net periodic benefit cost are as follows (in thousands):

	Three Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	443		$	401		$	—		$	—	$	118	$	68
Interest cost	848			876			60			—		171		145
Expected return on assets	(1,420		)	(1,412		)	(74		)	—		—		—
Net actuarial loss recognition	369			141			—			—		245		148
Prior service (credit) cost amortization	(5		)	(6		)	—			—		1		2
Net periodic benefit cost	$	235		$	—		$	(14	)	$	—	$	535	$	363

	Six Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	919		$	849		$	—		$	—	$	191	$	137
Interest cost	1,705			1,748			119			—		306		281
Expected return on assets	(2,842		)	(2,824		)	(147		)	—		—		—
Net actuarial loss recognition	752			272			—			—		393		249
Prior service (credit) cost amortization	(11		)	(10		)	—			—		3		3
Net periodic benefit cost	$	523		$	35		$	(28	)	$	—	$	893	$	670

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Long-term Obligations - Long-term Obligations (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2015		Dec. 31, 2014
Debt Instruments [Abstract]
FHLB advances	[1]	$ 572,254		$ 600,052
Long-term debt	[2]	60,311		60,311
Total long-term obligations		$ 632,565		660,363
Federal Home Loan Bank Advances
Advances from Federal Home Loan Banks [Abstract]
Weighted average cost (in hundredths)		1.31%
Maturity date range, earliest		Jul. 25, 2016
Maturity date range, latest		Jul. 03, 2028
Southside Statutory Trust III
Debt Instrument [Line Items]
Maturity date		2033
Debt Instruments [Abstract]
Long-term debt	[2]	$ 20,619	[3]	20,619
Long-term Debt, Other Disclosures [Abstract]
Adjusted rate of debt		3.22175%
Date of interest rate adjustment		Sep. 29, 2015
Debt instrument, description of variable rate basis		three-month LIBOR plus 294 basis points
Southside Statutory Trust IV
Debt Instrument [Line Items]
Maturity date		2037
Debt Instruments [Abstract]
Long-term debt	[2]	$ 23,196	[4]	23,196
Long-term Debt, Other Disclosures [Abstract]
Adjusted rate of debt		1.57815%
Date of interest rate adjustment		Jul. 29, 2015
Debt instrument, description of variable rate basis		three-month LIBOR plus 130 basis points
Southside Statutory Trust V
Debt Instrument [Line Items]
Maturity date		2037
Debt Instruments [Abstract]
Long-term debt	[2]	$ 12,887	[5]	12,887
Long-term Debt, Other Disclosures [Abstract]
Adjusted rate of debt		2.53585%
Date of interest rate adjustment		Sep. 14, 2015
Debt instrument, description of variable rate basis		three-month LIBOR plus 225 basis points
Magnolia Trust Company I
Debt Instrument [Line Items]
Maturity date		2035
Debt Instruments [Abstract]
Long-term debt	[2]	$ 3,609	[6]	$ 3,609
Long-term Debt, Other Disclosures [Abstract]
Adjusted rate of debt		2.082%
Date of interest rate adjustment		Aug. 23, 2015
Debt instrument, description of variable rate basis		three-month LIBOR plus 180 basis points
LIBOR | Southside Statutory Trust III
Long-term Debt, Other Disclosures [Abstract]
Basis spread on variable rate		2.94%
LIBOR | Southside Statutory Trust IV
Long-term Debt, Other Disclosures [Abstract]
Basis spread on variable rate		1.30%
LIBOR | Southside Statutory Trust V
Long-term Debt, Other Disclosures [Abstract]
Basis spread on variable rate		2.25%
LIBOR | Magnolia Trust Company I
Long-term Debt, Other Disclosures [Abstract]
Basis spread on variable rate		1.80%

[1] At June 30, 2015, the weighted average cost of these advances was 1.31%. Long-term FHLB Advances have maturities ranging from July 2016 through July 2028.

[2] This long-term debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

[3] This debt carries an adjustable rate of 3.22175% through September 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 294 basis points.

[4] This debt carries an adjustable rate of 1.57815% through July 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 130 basis points.

[5] This debt carries an adjustable rate of 2.53585% through September 14, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 225 basis points.

[6] This debt carries an adjustable rate of 2.082% through August 23, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 180 basis points.

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Loans and Allowance for Probable Loan Losses - Allowance for Loan Losses Activity by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	$ 16,926	$ 18,787	$ 13,292	[1]	$ 18,877
Provision (reversal) for loan losses	268	2,650	4,116		6,783
Loans charged off	(893)	(3,546)	(1,979)		(8,314)
Recoveries of loans charged off	521	517	1,393		1,062
Balance at end of period	16,822	18,408	16,822		18,408
Construction
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	2,774	2,130	2,456	[1]	2,142
Provision (reversal) for loan losses	86	319	361		309
Loans charged off	0	0	0		(14)
Recoveries of loans charged off	49	47	92		59
Balance at end of period	2,909	2,496	2,909		2,496
1-4 Family Residential
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	3,400	3,797	2,822	[1]	3,277
Provision (reversal) for loan losses	93	92	666		628
Loans charged off	(40)	0	(46)		(22)
Recoveries of loans charged off	15	26	26		32
Balance at end of period	3,468	3,915	3,468		3,915
Other
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	3,360	2,411	3,025	[1]	2,572
Provision (reversal) for loan losses	162	24	431		(140)
Loans charged off	0	0	0		0
Recoveries of loans charged off	7	1	73		4
Balance at end of period	3,529	2,436	3,529		2,436
Commercial Loans
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	5,316	2,031	3,279	[1]	1,970
Provision (reversal) for loan losses	(308)	(322)	1,757		(319)
Loans charged off	(50)	(5)	(107)		(5)
Recoveries of loans charged off	55	53	84		111
Balance at end of period	5,013	1,757	5,013		1,757
Municipal Loans
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	824	777	716	[1]	668
Provision (reversal) for loan losses	9	(114)	117		(5)
Loans charged off	0	0	0		0
Recoveries of loans charged off	0	0	0		0
Balance at end of period	833	663	833		663
Loans to Individuals
Change in Allowances for Loan Losses [Abstract]
Balance at beginning of period	1,252	7,641	994	[1]	8,248
Provision (reversal) for loan losses	226	2,651	784		6,310
Loans charged off	(803)	(3,541)	(1,826)		(8,273)
Recoveries of loans charged off	395	390	1,118		856
Balance at end of period	$ 1,070	$ 7,141	$ 1,070		$ 7,141

[1] Loans acquired with the Omni acquisition were measured at fair value on December 17, 2014 with no carryover of allowance for loan loss.

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Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Summary of fair value measurement on recurring and nonrecurring basis segregated by level of valuation inputs within fair value hierarchy utilized to measure fair value

The following tables summarize assets measured at fair value on a recurring and nonrecurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value (in thousands):

	As of June 30, 2015
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	100,523	$	100,523	$	—	$	—
U.S. Government Agency Debentures	4,846		—		4,846		—
State and Political Subdivisions	246,420		—		246,420		—
Other Stocks and Bonds	13,203		—		13,203		—
Other Equity Securities	6,027		6,027		—		—
Mortgage-backed Securities: (1)
Residential	726,326		—		726,326		—
Commercial	368,476		—		368,476		—
Total recurring fair value measurements	$	1,465,821	$	106,550	$	1,359,271	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	874	$	—	$	—	$	874
Impaired loans (2)	21,067		—		—		21,067
Total nonrecurring fair value measurements	$	21,941	$	—	$	—	$	21,941

	As of December 31, 2014
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	14,906	$	14,906	$	—	$	—
U.S. Government Agency Debentures	4,828		—		4,828		—
State and Political Subdivisions	267,684		—		267,684		—
Other Stocks and Bonds	13,239		—		13,239		—
Other Equity Securities	6,049		6,049		—		—
Mortgage-backed Securities: (1)
Residential	964,298		—		964,298		—
Commercial	177,704		—		177,704		—
Total recurring fair value measurements	$	1,448,708	$	20,955	$	1,427,753	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	2,303	$	—	$	—	$	2,303
Impaired loans (2)	9,404		—		—		9,404
Total nonrecurring fair value measurements	$	11,707	$	—	$	—	$	11,707

(1) All mortgage-backed securities are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

(2) Loans represent collateral dependent impaired loans with a specific valuation allowance. Losses on these loans represent charge-offs which are netted against the allowance for loan losses.

Financial assets, financial liabilities, and unrecognized financial instruments at carrying amount and fair value

The following tables present our financial assets, financial liabilities, and unrecognized financial instruments measured on a nonrecurring basis at both their respective carrying amounts and estimated fair value (in thousands):

			Estimated Fair Value
June 30, 2015	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	77,029	$	77,029	$	77,029	$	—	$	—
Investment securities:
Held to maturity, at carrying value	387,212		391,191		—		391,191		—
Mortgage-backed securities:
Held to maturity, at carrying value	356,669		362,283		—		362,283		—
FHLB stock and other investments, at cost	43,119		43,119		—		43,119		—
Loans, net of allowance for loan losses	2,163,041		2,130,397		—		—		2,130,397
Loans held for sale	7,431		7,431		—		7,431		—
Financial Liabilities:
Retail deposits	$	3,468,683	$	3,465,818	$	—	$	3,465,818	$	—
Federal funds purchased and repurchase agreements	2,084		2,084		—		2,084		—
FHLB advances	854,953		847,565		—		847,565		—
Long-term debt	60,311		44,230		—		44,230		—

			Estimated Fair Value
December 31, 2014	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	84,655	$	84,655	$	84,655	$	—	$	—
Investment securities:
Held to maturity, at carrying value	388,823		400,248		—		400,248		—
Mortgage-backed securities:
Held to maturity, at carrying value	253,496		261,339		—		261,339		—
FHLB stock and other investments, at cost	43,871		43,871		—		43,871		—
Loans, net of allowance for loan losses	2,167,841		2,140,088		—		—		2,140,088
Loans held for sale	2,899		2,899		—		2,899		—
Financial Liabilities:
Retail deposits	$	3,374,417	$	3,369,784	$	—	$	3,369,784	$	—
Federal funds purchased and repurchase agreements	4,237		4,237		—		4,237		—
FHLB advances	897,420		886,087		—		886,087		—
Long-term debt	60,311		43,860		—		43,860		—

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Income Taxes Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

The income tax expense included in the accompanying statements of income consists of the following (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current income tax expense	$	2,451		$	1,342		$	5,889		$	3,358
Deferred income tax (benefit) expense	(484		)	(504		)	(2,019		)	(1,361		)
Income tax expense	$	1,967		$	838		$	3,870		$	1,997

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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
OPERATING ACTIVITIES:
Net income	$ 20,543	$ 18,681
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	4,052	1,615
Amortization of premium	14,286	10,750
Accretion of discount and loan fees	(4,373)	(1,971)
Provision for loan losses	4,116	6,783
Stock compensation expense	567	577
Deferred tax benefit	(2,019)	(1,361)
Tax benefit related to stock awards	(32)	(42)
Net gain on sale of securities available for sale	(2,581)	(509)
Net loss (gain) on premises and equipment	137	(7)
Net loss on other real estate owned	382	65
Net change in:
Interest receivable	(230)	1,461
Other assets	2,070	(1,459)
Interest payable	(52)	(40)
Other liabilities	(3,601)	3,356
Loans originated for sale	(4,532)	(604)
Net cash provided by operating activities	28,733	37,295
Securities held to maturity:
Purchases	(56,752)		$ 0
Maturities, calls and principal repayments	11,411	14,797
Securities available for sale:
Purchases	(528,964)	(327,668)
Sales	336,136	252,696
Maturities, calls and principal repayments	158,022	153,637
Proceeds from redemption of FHLB stock	5,692	8,938
Purchases of FHLB stock and other investments	(3,594)	(384)
Net loans originated	1,235	(49,047)
Purchases of premises and equipment	(1,828)	(2,878)
Proceeds from sales of premises and equipment	6	8
Proceeds from sales of other real estate owned	634	275
Proceeds from sales of repossessed assets	1,619	3,268
Net cash (used in) provided by investing activities	(76,383)	53,642
FINANCING ACTIVITIES:
Net increase in demand and savings accounts	80,540	157,322
Net increase (decrease) in certificates of deposit	14,368	(83,711)
Net (decrease) increase in federal funds purchased and repurchase agreements	(2,153)	1,198
Proceeds from FHLB advances	8,447,303	6,267,018
Repayment of FHLB advances	(8,489,458)	(6,325,689)
Tax benefit related to stock awards	32	42
Net issuance of common stock under employee stock plan	151	69
Proceeds from the issuance of common stock	613	523
Cash dividends paid	(11,372)	(7,717)
Net cash provided by financing activities	40,024	9,055
Net (decrease) increase in cash and cash equivalents	(7,626)	99,992
Cash and cash equivalents at beginning of period	84,655	54,431	54,431
Cash and cash equivalents at end of period	77,029	154,423	84,655
SUPPLEMENTAL DISCLOSURES FOR CASH FLOW INFORMATION:
Interest paid	9,713	8,617
Income taxes paid	2,000	3,550
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Loans transferred to other repossessed assets and real estate through foreclosure	1,073	2,807
Transfer of available for sale securities to held to maturity securities	57,724	0
Adjustment to pension liability	(1,137)	(514)
5% stock dividend	32,675	26,065
Unsettled trades to purchase securities	(3,453)	(10,269)	(5,982)
Unsettled trades to sell securities	$ 0	$ 19,183	$ 57,202

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Off-Balance-Sheet Arrangements, Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Scheduled maturities of unused commitments

Financial instruments with off-balance-sheet risk were as follows (in thousands):

	At June 30, 2015		At December 31, 2014
Unused commitments:
Commitments to extend credit	$	431,380	$	373,255
Standby letters of credit	6,950		6,222
Total	$	438,330	$	379,477

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Securities - Interest Income on Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income recognized on securities [Abstract]
U.S. Treasury	$ 345	$ 41	$ 461	$ 41
U.S. Government Agency Debentures	32	41	64	100
State and Political Subdivisions	5,645	6,031	11,515	12,001
Other Stocks and Bonds	52	51	104	103
Other Equity Securities	29	0	61	0
Mortgage-backed Securities	7,666	7,557	16,128	15,239
Total interest income on securities	$ 13,769	$ 13,721	$ 28,333	$ 27,484

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Loans and Allowance for Probable Loan Losses - Troubled Debt Restructurings (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract	Jun. 30, 2015 USD ($) contract	Jun. 30, 2014 USD ($) contract
Troubled Debt Restructuring [Abstract]
Extend Amortization Period		$ 304	$ 60	$ 334	$ 313
Interest Rate Reductions		0	0	0	299
Combination	[1]	58	388	1,108	514
Total Modifications		$ 362	$ 448	$ 1,442	$ 1,126
Number of Loans | contract		8	3	14	12
1-4 Family Residential
Troubled Debt Restructuring [Abstract]
Extend Amortization Period		$ 0	$ 0	$ 0	$ 0
Interest Rate Reductions		0	0	0	284
Combination	[1]	0	0	262	0
Total Modifications		$ 0	$ 0	$ 262	$ 284
Number of Loans | contract		0	0	2	1
Other
Troubled Debt Restructuring [Abstract]
Extend Amortization Period		$ 0	$ 0	$ 30	$ 0
Interest Rate Reductions		0	0	0	0
Combination	[1]	0	388	0	413
Total Modifications		$ 0	$ 388	$ 30	$ 413
Number of Loans | contract		0	1	1	2
Commercial Loans
Troubled Debt Restructuring [Abstract]
Extend Amortization Period		$ 300	$ 60	$ 300	$ 313
Interest Rate Reductions		0	0	0	0
Combination	[1]	0	0	762	56
Total Modifications		$ 300	$ 60	$ 1,062	$ 369
Number of Loans | contract		1	2	2	5
Loans to Individuals
Troubled Debt Restructuring [Abstract]
Extend Amortization Period		$ 4	$ 0	$ 4	$ 0
Interest Rate Reductions		0	0	0	15
Combination	[1]	58	0	84	45
Total Modifications		$ 62	$ 0	$ 88	$ 60
Number of Loans | contract		7	0	9	4

[1] These modifications include an extension of the amortization period and interest rate reduction.

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CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
ASSETS
Cash and due from banks		$ 50,406	$ 64,001
Interest earning deposits		26,623	20,654
Total cash and cash equivalents		77,029	84,655
Investment securities:
Available for sale, at estimated fair value		371,019	306,706
Held to maturity, at carrying value (estimated fair value of $391,191 and $400,248, respectively)		387,212	388,823
Mortgage-backed securities:
Available for sale, at estimated fair value		1,094,802	1,142,002
Held to maturity, at carrying value (estimated fair value of $362,283 and $261,339, respectively)		356,669	253,496
FHLB stock, at cost		37,769	39,942
Other investments, at cost		5,350	3,929
Loans held for sale		7,431	2,899
Loans:
Total ending loan balance	[1]	2,179,863	2,181,133
Less: Allowance for loan losses		(16,822)	(13,292)
Net loans		2,163,041	2,167,841
Premises and equipment, net		110,493	112,860
Other intangible assets, net		7,654	8,844
Interest receivable		22,666	22,436
Deferred tax asset		18,906	12,707
Unsettled trades to sell securities		0	57,202
Bank owned life insurance		93,673	92,384
Other assets		11,733	19,163
TOTAL ASSETS		4,856,018	4,807,261
Deposits:
Noninterest bearing		715,966	661,014
Interest bearing		2,752,717	2,713,403
Total deposits		3,468,683	3,374,417
Short-term obligations:
Federal funds purchased and repurchase agreements		2,084	4,237
FHLB advances		282,699	297,368
Total short-term obligations		284,783	301,605
Long-term obligations:
FHLB advances	[2]	572,254	600,052
Long-term debt	[3]	60,311	60,311
Total long-term obligations		632,565	660,363
Unsettled trades to purchase securities		3,453	5,982
Other liabilities		34,860	39,651
TOTAL LIABILITIES		$ 4,424,344	$ 4,382,018
Off-Balance Sheet Arrangements, Commitments and Contingencies
Shareholders' equity:
Common stock ($1.25 par, 40,000,000 shares authorized, 27,821,074 shares issued at June 30, 2015 and 26,578,127 shares issued at December 31, 2014)		$ 34,776	$ 33,223
Paid-in capital		422,392	389,886
Retained earnings		31,871	55,396
Treasury stock (2,469,638 shares at cost)		(37,692)	(37,692)
Accumulated other comprehensive loss		(19,673)	(15,570)
TOTAL SHAREHOLDERS' EQUITY		431,674	425,243
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY		$ 4,856,018	$ 4,807,261

[1] Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss.

[2] At June 30, 2015, the weighted average cost of these advances was 1.31%. Long-term FHLB Advances have maturities ranging from July 2016 through July 2028.

[3] This long-term debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

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Loans and Allowance for Probable Loan Losses - Allowance Balance, by Impairment Method (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014		Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	$ 3,715		$ 530
Ending balance - collectively evaluated for impairment	13,107		12,762
Balance at end of period	16,822	$ 16,926	13,292	[1]	$ 18,408	$ 18,787	$ 18,877
Construction
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	45		43
Ending balance - collectively evaluated for impairment	2,864		2,413
Balance at end of period	2,909	2,774	2,456	[1]	2,496	2,130	2,142
1-4 Family Residential
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	28		102
Ending balance - collectively evaluated for impairment	3,440		2,720
Balance at end of period	3,468	3,400	2,822	[1]	3,915	3,797	3,277
Other
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	121		26
Ending balance - collectively evaluated for impairment	3,408		2,999
Balance at end of period	3,529	3,360	3,025	[1]	2,436	2,411	2,572
Commercial Loans
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	3,274		242
Ending balance - collectively evaluated for impairment	1,739		3,037
Balance at end of period	5,013	5,316	3,279	[1]	1,757	2,031	1,970
Municipal Loans
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	201		14
Ending balance - collectively evaluated for impairment	632		702
Balance at end of period	833	824	716	[1]	663	777	668
Loans to Individuals
Schedule of Allowance For Loan Losses, Allowance Balance, by Impairment Method [Line Items]
Ending balance - individually evaluated for impairment	46		103
Ending balance - collectively evaluated for impairment	1,024		891
Balance at end of period	$ 1,070	$ 1,252	$ 994	[1]	$ 7,141	$ 7,641	$ 8,248

[1] Loans acquired with the Omni acquisition were measured at fair value on December 17, 2014 with no carryover of allowance for loan loss.

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Paid In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2013	$ 259,518	$ 25,483	$ 214,091	$ 78,673	$ (37,692)	$ (21,037)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,681			18,681
Other comprehensive income	12,271					12,271
Issuance of common stock (21,499 shares in 2015 and 18,265 shares in 2014)	523	23	500
Stock compensation expense	577		577
Tax benefits related to stock awards	38		38
Net issuance of common stock under employee stock plans	69	14	158	(103)
Cash dividends paid on common stock ($0.46 per share in 2015 and $0.42 per share in 2014)	(7,717)			(7,717)
Stock dividend declared	0	1,124	24,941	(26,065)
Balance at Jun. 30, 2014	283,960	26,644	240,305	63,469	(37,692)	(8,766)
Balance at Dec. 31, 2014	425,243	33,223	389,886	55,396	(37,692)	(15,570)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	20,543			20,543
Other comprehensive income	(4,103)					(4,103)
Issuance of common stock (21,499 shares in 2015 and 18,265 shares in 2014)	613	26	587
Stock compensation expense	567		567
Tax benefits related to stock awards	32		32
Net issuance of common stock under employee stock plans	151	15	157	(21)
Cash dividends paid on common stock ($0.46 per share in 2015 and $0.42 per share in 2014)	(11,372)			(11,372)
Stock dividend declared	0	1,512	31,163	(32,675)
Balance at Jun. 30, 2015	$ 431,674	$ 34,776	$ 422,392	$ 31,871	$ (37,692)	$ (19,673)

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Share-based Incentive Plans - Share-based Incentive Plans, Stock Options Granted Valuation Assumptions (Details) - 6 months ended Jun. 30, 2015 - $ / shares	Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value per option	$ 6.29
Weighted-average assumptions:
Risk free interest rates	2.01%
Expected dividend yield	3.24%
Expected volatility factors of the market price of Southside Bancshares common stock	30.91%
Expected option life (in years)	6 years 3 months 29 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used	Black-Scholes option-pricing model
Weighted-average grant date fair value per option	$ 6.29

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Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic and Diluted Earnings:
Net income	$ 11,164	$ 10,457	$ 20,543	$ 18,681
Basic weighted-average shares outstanding	25,337	19,776	25,330	19,769
Add: Stock awards	88	97	84	93
Diluted weighted-average shares outstanding	25,425	19,873	25,414	19,862
Basic Earnings Per Share:
Earnings per common share - basic (in dollars per share)	$ 0.44	$ 0.53	$ 0.81	$ 0.94
Diluted Earnings Per Share:
Earnings per common share - diluted (in dollars per share)	$ 0.44	$ 0.53	$ 0.81	$ 0.94
Antidilutive securities from non-qualified stock options excluded from calculating earnings
Number of antidilutive options (in shares)	12	18	12	22

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Income Taxes - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Net deferred tax assets	$ 18,900,000		$ 18,900,000		$ 12,700,000
Deferred tax assets, valuation allowance	0		0		$ 0
Income tax expense	$ 1,967,000	$ 838,000	$ 3,870,000	$ 1,997,000
Effective income tax rate, percent	15.00%	7.40%	15.90%	9.70%

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Acquisitions Acquisitions (Tables)

6 Months Ended

Jun. 30, 2015

Business Combinations [Abstract]

Business Combination, Segment Allocation [Table Text Block]

The following table reflects the changes in the carrying amount of our goodwill for the six months ended June 30, 2015 (in thousands):

	Goodwill
Balance as of December 31, 2014	$	91,372
Less: measurement period adjustments	(801		)
Balance as of June 30, 2015	$	90,571

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Accumulated Other Comprehensive (Loss) Income - Accumulated Other Comprehensive Income, Changes In (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income by Component, Changes [Line Items]
Beginning balance, net of tax	$ (10,466)	$ (14,209)	$ (15,570)	$ (21,037)
Other comprehensive income before reclassifications	(14,671)	8,586	(4,869)	18,873
Reclassified to income	505	(213)	(1,444)	5
Income tax benefit (expense)	4,959	(2,930)	2,210	(6,607)
Net current-period other comprehensive (loss) income, net of tax	(9,207)	5,443	(4,103)	12,271
Ending balance, net of tax	(19,673)	(8,766)	(19,673)	(8,766)
Net other unrealized gains (Losses) on securities
Accumulated Other Comprehensive Income by Component, Changes [Line Items]
Beginning balance, net of tax	11,000	(1,977)	6,238	(8,656)
Other comprehensive income before reclassifications	(14,671)	8,586	(4,869)	18,873
Reclassified to income	(105)	(498)	(2,581)	(509)
Income tax benefit (expense)	5,172	(2,830)	2,608	(6,427)
Net current-period other comprehensive (loss) income, net of tax	(9,604)	5,258	(4,842)	11,937
Ending balance, net of tax	1,396	3,281	1,396	3,281
Net Prior Service (Cost) Credit
Accumulated Other Comprehensive Income by Component, Changes [Line Items]
Beginning balance, net of tax	4	(14)	7	(12)
Other comprehensive income before reclassifications	0	0	0	0
Reclassified to income	(4)	(4)	(8)	(7)
Income tax benefit (expense)	2	1	3	2
Net current-period other comprehensive (loss) income, net of tax	(2)	(3)	(5)	(5)
Ending balance, net of tax	2	(17)	2	(17)
Net Gain (Loss)
Accumulated Other Comprehensive Income by Component, Changes [Line Items]
Beginning balance, net of tax	(21,470)	(12,218)	(21,815)	(12,369)
Other comprehensive income before reclassifications	0	0	0	0
Reclassified to income	614	289	1,145	521
Income tax benefit (expense)	(215)	(101)	(401)	(182)
Net current-period other comprehensive (loss) income, net of tax	399	188	744	339
Ending balance, net of tax	$ (21,071)	$ (12,030)	$ (21,071)	$ (12,030)

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Accumulated Other Comprehensive (Loss) Income (Tables)

6 Months Ended

Jun. 30, 2015

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

Schedule of accumulated other comprehensive income (loss) by component

The changes in accumulated other comprehensive (loss) income by component are as follows (in thousands):

	Three Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	11,000		$	4		$	(21,470	)	$	(10,466	)
Other comprehensive loss before reclassifications	(14,671		)	—			—			(14,671		)
Reclassified to income	(105		)	(4		)	614			505
Income tax benefit (expense)	5,172			2			(215		)	4,959
Net current-period other comprehensive (loss) income, net of tax	(9,604		)	(2		)	399			(9,207		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)
	Six Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	6,238		$	7		$	(21,815	)	$	(15,570	)
Other comprehensive loss before reclassifications	(4,869		)	—			—			(4,869		)
Reclassified to income	(2,581		)	(8		)	1,145			(1,444		)
Income tax benefit (expense)	2,608			3			(401		)	2,210
Net current-period other comprehensive (loss) income, net of tax	(4,842		)	(5		)	744			(4,103		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)

	Three Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(1,977	)	$	(14	)	$	(12,218	)	$	(14,209	)
Other comprehensive income before reclassifications	8,586			—			—			8,586
Reclassified to income	(498		)	(4		)	289			(213		)
Income tax (expense) benefit	(2,830		)	1			(101		)	(2,930		)
Net current-period other comprehensive income (loss), net of tax	5,258			(3		)	188			5,443
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)
	Six Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(8,656	)	$	(12	)	$	(12,369	)	$	(21,037	)
Other comprehensive income before reclassifications	18,873			—			—			18,873
Reclassified to income	(509		)	(7		)	521			5
Income tax (expense) benefit	(6,427		)	2			(182		)	(6,607		)
Net current-period other comprehensive income (loss), net of tax	11,937			(5		)	339			12,271
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)

Reclassifications out of accumulated other comprehensive income

The reclassifications out of accumulated other comprehensive loss into net income are presented below (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Unrealized gains and losses on available for sale securities:
Realized net gain on sale of securities (1)	$	105		$	498		$	2,581		$	509
Tax expense	(36		)	(174		)	(903		)	(178		)
Net of tax	69			324			1,678			331
Amortization of pension plan:
Net actuarial loss (2)	$	(614	)	$	(289	)	$	(1,145	)	$	(521	)
Prior service credit (2)	4			4			8			7
Total before tax	(610		)	(285		)	(1,137		)	(514		)
Tax benefit	213			100			398			180
Net of tax	(397		)	(185		)	(739		)	(334		)
Total reclassifications for the period, net of tax	$	(328	)	$	139		$	939		$	(3	)

(1) Listed as net gain on sale of securities available for sale on the consolidated statements of income.

(2) These accumulated other comprehensive income components are included in the computation of net periodic pension cost presented in “Note 8 - Employee Benefit Plans.”

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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Issuance of common stock (in shares)	21,499	18,265
Dividends paid on common stock (in dollars per shares)	$ 0.46	$ 0.42

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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Held-to-maturity Securities, Other Disclosure Items [Abstract]
Held to Maturity, Investment Securities, fair value	$ 391,191	$ 400,248
Held to Maturity, Mortgage Backed Securities, fair value	$ 362,283	$ 261,339
Shareholders' equity:
Common stock, par value (in dollars per share)	$ 1.25	$ 1.25
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	27,821,074	26,578,127
Treasury stock (in shares)	2,469,638	2,469,638

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Share-based Incentive Plans

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-based Incentive Plans

Share-based Incentive Plans

2009 Incentive Plan

On April 16, 2009, our shareholders approved the Southside Bancshares, Inc. 2009 Incentive Plan (the “2009 Incentive Plan”), which is a stock-based incentive compensation plan.  A total of 1,407,103 shares of our common stock were reserved and available for issuance pursuant to awards granted under the 2009 Incentive Plan.  Under the 2009 Incentive Plan, we were authorized to grant nonqualified stock options (“NQSOs”), restricted stock units (“RSUs”), or any combination thereof to certain officers. During the six months ended June 30, 2015, we granted RSUs and NQSOs pursuant to the 2009 Incentive Plan. During the six months ended June 30, 2014, there were no grants of RSUs or NQSOs pursuant to the 2009 Incentive Plan.

As of June 30, 2015, there were 622,484 unvested awards outstanding.  For the three and six months ended June 30, 2015, there was share-based compensation expense of $294,000 and $567,000, respectively, with an associated income tax benefit for the three and six months of $103,000 and $198,000, respectively. As of June 30, 2014, there were 374,227 unvested awards outstanding.  Share-based compensation expense for the three and six months ended June 30, 2014 was $291,000 and $577,000, respectively, with an associated income tax benefit for the three and six months of $102,000 and $202,000, respectively.

As of June 30, 2015 and 2014, there was $4.9 million and $2.5 million of unrecognized compensation cost, respectively, related to the unvested awards outstanding. The remaining cost at June 30, 2015 is expected to be recognized over a weighted-average period of 3.3 years.  

The NQSOs have contractual terms of 10 years and vest in equal annual installments over three- and four-year periods.

The fair value of each RSU is the closing stock price on the date of grant.  The RSUs vest in equal annual installments over three- and four-year periods.

Each award is evidenced by an award agreement that specifies the exercise price, if applicable, the duration of the award, the number of shares to which the award pertains, and such other provisions as the Board determines.

Shares issued in connection with stock compensation awards are issued from authorized shares and not from treasury shares.  During the six months ended June 30, 2015 and 2014, there were 12,336 and 12,404 shares, respectively, issued in connection with stock compensation awards from available authorized shares.

The estimated weighted-average grant-date fair value per option and the underlying Black-Scholes option-pricing model assumptions for stock options granted during the six months ended June 30, 2015 are summarized in the following table:

	Six Months Ended
	June 30, 2015
Weighted-average grant date fair value per option	$6.29
Weighted-average assumptions:
Risk-free interest rates	2.01%
Expected dividend yield	3.24%
Expected volatility factors of the market price of Southside Bancshares common stock	30.91%
Expected option life (in years)	6.3

The following table presents activity related to our RSUs and NQSOs for the six months ended June 30, 2015.

			Restricted Stock Units Outstanding				Stock Options Outstanding
	Shares Available for Grant		Number of Shares		Weighted- Average Grant-Date Fair Value		Number of Shares		Weighted- Average Exercise Price		Weighted- Average Grant-Date Fair Value
Balance, January 1, 2015	821,604		31,753		$	21.75	419,334		$	19.88	$	6.00
Granted	(425,437	)	55,332		27.69		370,105		28.08		6.29
Stock options exercised	—		—		—		(9,351	)	18.04		5.39
Stock awards vested	—		(3,132	)	15.79		—		—		—
Forfeited	20,669		(2,821	)	25.24		(17,848	)	22.87		6.75
Canceled/expired	451		—		—		(451	)	24.62		7.78
Balance, June 30, 2015	417,287		81,132		$	25.91	761,789		$	23.81	$	6.13

Other information regarding options outstanding and exercisable as of June 30, 2015 is as follows:

				Options Outstanding				Options Exercisable
Range of Exercise Prices				Number of Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life in Years	Number of Shares	Weighted- Average Exercise Price
$	15.79	-	$28.51	761,789	$	23.81	8.54	220,437	$	18.14
Total				761,789	$	23.81	8.54	220,437	$	18.14

The total intrinsic value (i.e., the amount by which the fair value of the underlying common stock exceeds the exercise price of a stock option) of outstanding stock options and exercisable stock options was $4.1 million and $2.4 million at June 30, 2015, respectively.

Cash received from stock options exercised for the six months ended June 30, 2015 and 2014 was $169,000 and $86,000, respectively. The total intrinsic value related to stock options exercised during the six months ended June 30, 2015 and 2014, was approximately $88,000 and $50,000, respectively.

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Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 07, 2015
Entity Information [Line Items]
Entity Registrant Name	SOUTHSIDE BANCSHARES INC
Entity Central Index Key	0000705432
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		25,357,855

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Fair Value Measurement

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurement

Fair Value Measurement

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.  A fair value measurement assumes that the transaction to sell the asset or transfer the liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability.  The price in the principal (or most advantageous) market used to measure the fair value of the asset or liability shall not be adjusted for transaction costs.  An orderly transaction is a transaction that assumes exposure to the market for a period prior to the measurement date to allow for marketing activities that are usual and customary for transactions involving such assets and liabilities; it is not a forced transaction.  Market participants are buyers and sellers in the principal market that are (i) independent, (ii) knowledgeable, (iii) able to transact and (iv) willing to transact.

Valuation techniques including the market approach, the income approach and/or the cost approach are utilized to determine fair value.  Inputs to valuation techniques refer to the assumptions that market participants would use in pricing the asset or liability.  Valuation policies and procedures are determined by our investment department and reported to our Asset/Liability Committee ("ALCO") for review.  An entity must consider all aspects of nonperforming risk, including the entity’s own credit standing, when measuring fair value of a liability.  Inputs may be observable, meaning those that reflect the assumptions market participants would use in pricing the asset or liability developed based on market data obtained from independent sources, or unobservable, meaning those that reflect the reporting entity’s own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.  A fair value hierarchy for valuation inputs gives the highest priority to quoted prices in active markets for identical assets or liabilities and the lowest priority to unobservable inputs.  The fair value hierarchy is as follows:

Level 1 Inputs - Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

Level 2 Inputs - Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly.  These might include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit risks, etc.) or inputs that are derived principally from or corroborated by market data by correlation or other means.

Level 3 Inputs - Unobservable inputs for determining the fair values of assets or liabilities that reflect an entity's own assumptions about the assumptions that market participants would use in pricing the assets or liabilities.

Level 3 assets recorded at fair value on a nonrecurring basis at June 30, 2015, included loans for which a specific allowance was established based on the fair value of collateral and other real estate for which fair value of the properties was less than the cost basis.  For both asset classes, the unobservable inputs were the additional adjustments applied by management to the appraised values to reflect such factors as non-current appraisals and revisions to estimated time to sell.  These adjustments are determined based on qualitative judgments made by management on a case-by-case basis and are not quantifiable inputs, although they are used in the determination of fair value.

A description of the valuation methodologies used for assets and liabilities measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below.

Certain financial assets are measured at fair value in accordance with GAAP.  Adjustments to the fair value of these assets usually result from the application of fair value accounting or write-downs of individual assets.  Transfers between levels of the fair value hierarchy are recognized on the actual date of the event or circumstances that caused the transfer, which generally coincides with our monthly and/or quarterly valuation process.  There were no transfers between Level 1 and Level 2 during the six months ended June 30, 2015.

Securities Available for Sale – U.S. Treasury securities and other equity securities are reported at fair value utilizing Level 1 inputs.  Other securities classified as available for sale are reported at fair value utilizing Level 2 inputs.  For these securities, we obtain fair value measurements from independent pricing services.  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, among other things.

We review the prices supplied by the independent pricing services for reasonableness and to ensure such prices are aligned with traditional pricing matrices.  In addition, we obtain an understanding of their underlying pricing methodologies and their Statement on Standards for Attestation Engagements-Reporting on Controls of a Service Organization (“SSAE 16”). We validate prices supplied by the independent pricing services by comparison to prices obtained from, in most cases, three additional third party sources. For securities where prices are outside a reasonable range, we further review those securities to determine what a reasonable price estimate is for that security, given available data.

Foreclosed Assets – Foreclosed assets are initially recorded at fair value less costs to sell.  The fair value measurements of foreclosed assets can include Level 2 measurement inputs such as real estate appraisals and comparable real estate sales information, in conjunction with Level 3 measurement inputs such as cash flow projections, qualitative adjustments, sales cost estimates, etc.  As a result, the categorization of foreclosed assets is Level 3 of the fair value hierarchy.  In connection with the measurement and initial recognition of certain foreclosed assets, we may recognize charge-offs through the allowance for loan losses.

Impaired Loans – Certain impaired loans may be reported at the fair value of the underlying collateral if repayment is expected solely from the collateral.  Collateral values are estimated using Level 3 inputs based on customized discounting criteria or appraisals.  At June 30, 2015 and December 31, 2014, the impact of loans with specific reserves based on the fair value of the collateral was reflected in our allowance for loan losses.

Certain nonfinancial assets and nonfinancial liabilities measured at fair value on a recurring basis include reporting units measured at fair value and tested for goodwill impairment. 

The following tables summarize assets measured at fair value on a recurring and nonrecurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value (in thousands):

	As of June 30, 2015
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	100,523	$	100,523	$	—	$	—
U.S. Government Agency Debentures	4,846		—		4,846		—
State and Political Subdivisions	246,420		—		246,420		—
Other Stocks and Bonds	13,203		—		13,203		—
Other Equity Securities	6,027		6,027		—		—
Mortgage-backed Securities: (1)
Residential	726,326		—		726,326		—
Commercial	368,476		—		368,476		—
Total recurring fair value measurements	$	1,465,821	$	106,550	$	1,359,271	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	874	$	—	$	—	$	874
Impaired loans (2)	21,067		—		—		21,067
Total nonrecurring fair value measurements	$	21,941	$	—	$	—	$	21,941

	As of December 31, 2014
			Fair Value Measurements at the End of the Reporting Period Using
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Recurring fair value measurements
Investment Securities:
U.S. Treasury	$	14,906	$	14,906	$	—	$	—
U.S. Government Agency Debentures	4,828		—		4,828		—
State and Political Subdivisions	267,684		—		267,684		—
Other Stocks and Bonds	13,239		—		13,239		—
Other Equity Securities	6,049		6,049		—		—
Mortgage-backed Securities: (1)
Residential	964,298		—		964,298		—
Commercial	177,704		—		177,704		—
Total recurring fair value measurements	$	1,448,708	$	20,955	$	1,427,753	$	—
Nonrecurring fair value measurements
Foreclosed assets	$	2,303	$	—	$	—	$	2,303
Impaired loans (2)	9,404		—		—		9,404
Total nonrecurring fair value measurements	$	11,707	$	—	$	—	$	11,707

(1) All mortgage-backed securities are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

(2) Loans represent collateral dependent impaired loans with a specific valuation allowance. Losses on these loans represent charge-offs which are netted against the allowance for loan losses.

Disclosure of fair value information about financial instruments, whether or not recognized in the balance sheet is required when it is practicable to estimate that value.  In cases where quoted market prices are not available, fair values are based on estimates using present value or other estimation techniques.  Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows.  Such techniques and assumptions, as they apply to individual categories of our financial instruments, are as follows:

Cash and cash equivalents - The carrying amount for cash and cash equivalents is a reasonable estimate of those assets' fair value.

Investment and mortgage-backed securities held to maturity - Fair values for these securities are based on quoted market prices, where available.  If quoted market prices are not available, fair values are based on quoted market prices for similar securities or estimates from independent pricing services.

FHLB stock and other investments - The carrying amount of FHLB stock and other investments is a reasonable estimate of those assets’ fair value.

Loans receivable - For adjustable rate loans that reprice frequently and with no significant change in credit risk, the carrying amounts are a reasonable estimate of those assets' fair value.  The fair value of fixed rate loans is estimated by discounting the future cash flows using the current rates at which similar loans would be made to borrowers with similar credit ratings and for the same remaining maturities.  Nonperforming loans are estimated using discounted cash flow analyses or the underlying value of the collateral where applicable.

Loans held for sale – The fair value of loans held for sale is determined based on expected proceeds, which are based on sales contracts and commitments.

Deposit liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is the amount on demand at the reporting date, that is, the carrying value.  Fair values for fixed rate CDs are estimated using a discounted cash flow calculation that applies interest rates currently being offered for deposits of similar remaining maturities.

Federal funds purchased and repurchase agreements - Federal funds purchased generally have original terms to maturity of one day and repurchase agreements generally have terms of less than one year, and therefore both, are considered short-term borrowings. Consequently, their carrying value is a reasonable estimate of fair value.

FHLB advances - The fair value of these advances is estimated by discounting the future cash flows using rates at which advances would be made to borrowers with similar credit ratings and for the same remaining maturities.

Long-term debt - The carrying amount for the long-term debt is estimated by discounting future cash flows using estimated rates at which long-term debt would be made to borrowers with similar credit ratings and for the remaining maturities.  

The following tables present our financial assets, financial liabilities, and unrecognized financial instruments measured on a nonrecurring basis at both their respective carrying amounts and estimated fair value (in thousands):

			Estimated Fair Value
June 30, 2015	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	77,029	$	77,029	$	77,029	$	—	$	—
Investment securities:
Held to maturity, at carrying value	387,212		391,191		—		391,191		—
Mortgage-backed securities:
Held to maturity, at carrying value	356,669		362,283		—		362,283		—
FHLB stock and other investments, at cost	43,119		43,119		—		43,119		—
Loans, net of allowance for loan losses	2,163,041		2,130,397		—		—		2,130,397
Loans held for sale	7,431		7,431		—		7,431		—
Financial Liabilities:
Retail deposits	$	3,468,683	$	3,465,818	$	—	$	3,465,818	$	—
Federal funds purchased and repurchase agreements	2,084		2,084		—		2,084		—
FHLB advances	854,953		847,565		—		847,565		—
Long-term debt	60,311		44,230		—		44,230		—

			Estimated Fair Value
December 31, 2014	Carrying Amount		Total		Level 1		Level 2		Level 3
Financial Assets:
Cash and cash equivalents	$	84,655	$	84,655	$	84,655	$	—	$	—
Investment securities:
Held to maturity, at carrying value	388,823		400,248		—		400,248		—
Mortgage-backed securities:
Held to maturity, at carrying value	253,496		261,339		—		261,339		—
FHLB stock and other investments, at cost	43,871		43,871		—		43,871		—
Loans, net of allowance for loan losses	2,167,841		2,140,088		—		—		2,140,088
Loans held for sale	2,899		2,899		—		2,899		—
Financial Liabilities:
Retail deposits	$	3,374,417	$	3,369,784	$	—	$	3,369,784	$	—
Federal funds purchased and repurchase agreements	4,237		4,237		—		4,237		—
FHLB advances	897,420		886,087		—		886,087		—
Long-term debt	60,311		43,860		—		43,860		—

As discussed earlier, the fair value estimate of financial instruments for which quoted market prices are unavailable is dependent upon assumptions used.  Consequently, those estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instruments.  Accordingly, the aggregate fair value amounts presented in the above fair value table do not necessarily represent their underlying value.

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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest income
Loans	$ 23,887	$ 18,305	$ 47,803	$ 36,668
Investment securities - taxable	459	143	696	266
Investment securities - tax exempt	5,644	6,021	11,509	11,979
Mortgage-backed securities	7,666	7,557	16,128	15,239
FHLB stock and other investments	65	38	158	108
Other interest earning assets	29	22	63	65
Total interest income	37,750	32,086	76,357	64,325
Interest expense
Deposits	2,493	1,984	5,022	4,100
Short-term obligations	154	56	296	127
Long-term obligations	2,198	2,190	4,343	4,350
Total interest expense	4,845	4,230	9,661	8,577
Net interest income	32,905	27,856	66,696	55,748
Provision for loan losses	268	2,650	4,116	6,783
Net interest income after provision for loan losses	32,637	25,206	62,580	48,965
Noninterest income
Deposit services	4,920	3,794	9,909	7,432
Net gain on sale of securities available for sale	105	498	2,581	509
Gain on sale of loans	822	81	1,199	161
Trust income	820	762	1,713	1,542
Bank owned life insurance income	653	307	1,322	621
Other	1,099	1,073	2,743	2,056
Total noninterest income	8,419	6,515	19,467	12,321
Noninterest expense
Salaries and employee benefits	16,869	13,092	35,068	26,194
Occupancy expense	2,593	1,786	6,052	3,540
Advertising, travel & entertainment	683	605	1,340	1,148
ATM and debit card expense	750	302	1,429	619
Professional fees	793	1,304	1,535	2,231
Software and data processing expense	1,237	486	2,268	987
Telephone and communications	603	320	1,072	598
FDIC insurance	629	434	1,267	882
Other	3,768	2,097	7,603	4,409
Total noninterest expense	27,925	20,426	57,634	40,608
Income before income tax expense	13,131	11,295	24,413	20,678
Income tax expense	1,967	838	3,870	1,997
Net income	$ 11,164	$ 10,457	$ 20,543	$ 18,681
Earnings per common share - basic (in dollars per share)	$ 0.44	$ 0.53	$ 0.81	$ 0.94
Earnings per common share - diluted (in dollars per share)	0.44	0.53	0.81	0.94
Dividends paid on common stock (in dollars per shares)	$ 0.23	$ 0.21	$ 0.46	$ 0.42

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Accumulated Other Comprehensive (Loss) Income

6 Months Ended

Jun. 30, 2015

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

Accumulated Other Comprehensive (Loss) Income

Accumulated Other Comprehensive (Loss) Income

The changes in accumulated other comprehensive (loss) income by component are as follows (in thousands):

	Three Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	11,000		$	4		$	(21,470	)	$	(10,466	)
Other comprehensive loss before reclassifications	(14,671		)	—			—			(14,671		)
Reclassified to income	(105		)	(4		)	614			505
Income tax benefit (expense)	5,172			2			(215		)	4,959
Net current-period other comprehensive (loss) income, net of tax	(9,604		)	(2		)	399			(9,207		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)
	Six Months Ended June 30, 2015
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	6,238		$	7		$	(21,815	)	$	(15,570	)
Other comprehensive loss before reclassifications	(4,869		)	—			—			(4,869		)
Reclassified to income	(2,581		)	(8		)	1,145			(1,444		)
Income tax benefit (expense)	2,608			3			(401		)	2,210
Net current-period other comprehensive (loss) income, net of tax	(4,842		)	(5		)	744			(4,103		)
Ending balance, net of tax	$	1,396		$	2		$	(21,071	)	$	(19,673	)

	Three Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(1,977	)	$	(14	)	$	(12,218	)	$	(14,209	)
Other comprehensive income before reclassifications	8,586			—			—			8,586
Reclassified to income	(498		)	(4		)	289			(213		)
Income tax (expense) benefit	(2,830		)	1			(101		)	(2,930		)
Net current-period other comprehensive income (loss), net of tax	5,258			(3		)	188			5,443
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)
	Six Months Ended June 30, 2014
	Unrealized Gains (Losses) on Securities			Pension Plans
	Other			Net Prior  Service  (Cost)  Credit			Net Gain (Loss)			Total
Beginning balance, net of tax	$	(8,656	)	$	(12	)	$	(12,369	)	$	(21,037	)
Other comprehensive income before reclassifications	18,873			—			—			18,873
Reclassified to income	(509		)	(7		)	521			5
Income tax (expense) benefit	(6,427		)	2			(182		)	(6,607		)
Net current-period other comprehensive income (loss), net of tax	11,937			(5		)	339			12,271
Ending balance, net of tax	$	3,281		$	(17	)	$	(12,030	)	$	(8,766	)

The reclassifications out of accumulated other comprehensive loss into net income are presented below (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Unrealized gains and losses on available for sale securities:
Realized net gain on sale of securities (1)	$	105		$	498		$	2,581		$	509
Tax expense	(36		)	(174		)	(903		)	(178		)
Net of tax	69			324			1,678			331
Amortization of pension plan:
Net actuarial loss (2)	$	(614	)	$	(289	)	$	(1,145	)	$	(521	)
Prior service credit (2)	4			4			8			7
Total before tax	(610		)	(285		)	(1,137		)	(514		)
Tax benefit	213			100			398			180
Net of tax	(397		)	(185		)	(739		)	(334		)
Total reclassifications for the period, net of tax	$	(328	)	$	139		$	939		$	(3	)

(1) Listed as net gain on sale of securities available for sale on the consolidated statements of income.

(2) These accumulated other comprehensive income components are included in the computation of net periodic pension cost presented in “Note 8 - Employee Benefit Plans.”

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Earnings Per Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Earnings per share on a basic and diluted basis have been adjusted to give retroactive recognition to stock dividends and is calculated as follows (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic and Diluted Earnings:
Net income	$	11,164	$	10,457	$	20,543	$	18,681
Basic weighted-average shares outstanding	25,337		19,776		25,330		19,769
Add:   Stock awards	88		97		84		93
Diluted weighted-average shares outstanding	25,425		19,873		25,414		19,862
Basic Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94
Diluted Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94

For both the three- and six-month periods ended June 30, 2015, there were approximately 12,000 anti-dilutive shares. For the three- and six-month periods ended June 30, 2014, there were approximately 18,000 and 22,000 anti-dilutive shares, respectively.

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings per share on a basic and diluted basis

Earnings per share on a basic and diluted basis have been adjusted to give retroactive recognition to stock dividends and is calculated as follows (in thousands, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Basic and Diluted Earnings:
Net income	$	11,164	$	10,457	$	20,543	$	18,681
Basic weighted-average shares outstanding	25,337		19,776		25,330		19,769
Add:   Stock awards	88		97		84		93
Diluted weighted-average shares outstanding	25,425		19,873		25,414		19,862
Basic Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94
Diluted Earnings Per Share:	$	0.44	$	0.53	$	0.81	$	0.94

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Income Taxes Income Taxes (Notes)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

The income tax expense included in the accompanying statements of income consists of the following (in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
Current income tax expense	$	2,451		$	1,342		$	5,889		$	3,358
Deferred income tax (benefit) expense	(484		)	(504		)	(2,019		)	(1,361		)
Income tax expense	$	1,967		$	838		$	3,870		$	1,997

Net deferred tax assets totaled $18.9 million at June 30, 2015 and $12.7 million at December 31, 2014.  No valuation allowance for deferred tax assets was recorded at June 30, 2015 or December 31, 2014, as management believes it is more likely than not that all of the deferred tax assets will be realized in future years. Unrecognized tax benefits were not material at June 30, 2015.

We recognized income tax expense of $2.0 million and $3.9 million, for an effective tax rate of 15.0% and 15.9%, for the three and six months ended June 30, 2015, respectively, compared to income tax expense of $838,000 and $2.0 million, for an effective tax rate of 7.4% and 9.7%, for the three and six months ended June 30, 2014. The higher effective tax rate for the three and six months ended June 30, 2015 was due to a decrease in tax-exempt income as a percentage of pre-tax income as compared to the same period in 2014. We file income tax returns in the U.S. federal jurisdiction and in certain states. We are no longer subject to U.S. federal income tax examinations by tax authorities for years before 2011.

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Long-term Obligations

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Long-term Obligations

Long-term Obligations

Long-term obligations are summarized as follows (in thousands):

	June 30, 2015		December 31, 2014
FHLB Advances (1)	$	572,254	$	600,052
Long-term Debt (2)
Southside Statutory Trust III Due 2033 (3)	20,619		20,619
Southside Statutory Trust IV Due 2037 (4)	23,196		23,196
Southside Statutory Trust V Due 2037 (5)	12,887		12,887
Magnolia Trust Company I Due 2035 (6)	3,609		3,609
Total Long-term Debt	60,311		60,311
Total Long-term Obligations	$	632,565	$	660,363

(1) At June 30, 2015, the weighted average cost of these advances was 1.31%.  Long-term FHLB Advances have maturities ranging from July 2016 through July 2028.

(2) This long-term debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

(3) This debt carries an adjustable rate of 3.22175% through September 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 294 basis points.

(4) This debt carries an adjustable rate of 1.57815% through July 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 130 basis points.

(5) This debt carries an adjustable rate of 2.53585% through September 14, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 225 basis points.

(6) This debt carries an adjustable rate of 2.082% through August 23, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 180 basis points.

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Share-based Incentive Plans - Share-based Incentive Plans, Activity (Details) - 6 months ended Jun. 30, 2015 - $ / shares	Total
Shares Available for Grant for All Share-based Plans [Roll Forward]
Balance, January 1, 2015 (shares)	821,604
Granted (shares)	(425,437)
Stock awards vested (shares)	0
Forfeited (shares)	20,669
Canceled/expired (shares)	451
Balance, June 30, 2015 (shares)	417,287
Weighted- Average Grant-Date Fair Value
Granted (in dollars per share)	$ 6.29
Restricted Stock Units (RSUs)
Number of shares
Balance, January 1, 2015 (shares)	31,753
Granted (shares)	55,332
Stock awards vested (shares)	(3,132)
Forfeited (shares)	(2,821)
Canceled/expired (shares)	0
Balance, June 30, 2015 (shares)	81,132
Weighted- Average Grant-Date Fair Value
Balance, January 1, 2015 (in dollars per share)	$ 21.75
Granted (in dollars per share)	27.69
Stock awards vested (in dollars per share)	15.79
Forfeited (in dollars per share)	25.24
Canceled/expired (in dollars per share)	0.00
Balance, June 30, 2015 (in dollars per share)	$ 25.91
Employee Stock Option
Number of shares
Balance, January 1, 2015 (shares)	419,334
Granted (shares)	370,105
Stock options exercised (shares)	(9,351)
Stock awards vested (shares)	0
Forfeited (shares)	(17,848)
Canceled/expired (shares)	(451)
Balance, June 30, 2015 (shares)	761,789
Weighted- Average Exercise Price
Balance, January 1, 2015 (in dollars per share)	$ 19.88
Granted (in dollars per share)	28.08
Stock options exercised (in dollars per share)	18.04
Forfeited (in dollars per share)	22.87
Canceled/expired (in dollars per share)	24.62
Balance, June 30, 2015 (in dollars per share)	23.81
Weighted- Average Grant-Date Fair Value
Balance, January 1, 2015 (in dollars per share)	6.00
Granted (in dollars per share)	6.29
Stock options exercised (in dollars per share)	5.39
Stock awards vested (in dollars per share)	0.00
Forfeited (in dollars per share)	6.75
Canceled/expired (in dollars per share)	7.78
Balance, June 30, 2015 (in dollars per share)	$ 6.13

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Securities

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Securities

Securities

The amortized cost, carrying value, and estimated fair value of investment and mortgage-backed securities as of June 30, 2015 and December 31, 2014 are reflected in the tables below (in thousands):

	June 30, 2015
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	101,239	$	198	$	914	$	100,523	$	—	$	—	$	100,523
U.S. Government Agency Debentures	4,845		1		—		4,846		—		—		4,846
State and Political Subdivisions	243,446		5,156		2,182		246,420		—		—		246,420
Other Stocks and Bonds	13,092		111		—		13,203		—		—		13,203
Other Equity Securities	6,058		—		31		6,027		—		—		6,027
Mortgage-backed Securities: (1)
Residential	713,576		13,622		872		726,326		—		—		726,326
Commercial	372,155		874		4,553		368,476		—		—		368,476
Total	$	1,454,411	$	19,962	$	8,552	$	1,465,821	$	—	$	—	$	1,465,821
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	391,784	$	5,193	$	9,765	$	387,212	$	6,613	$	2,634	$	391,191
Mortgage-backed Securities: (1)
Residential	41,215		—		61		41,154		2,602		—		43,756
Commercial	320,144		1,315		5,944		315,515		4,989		1,977		318,527
Total	$	753,143	$	6,508	$	15,770	$	743,881	$	14,204	$	4,611	$	753,474

	December 31, 2014
			Recognized in OCI						Not recognized in OCI
	Amortized		Gross Unrealized		Gross Unrealized		Carrying		Gross Unrealized		Gross Unrealized		Estimated
AVAILABLE FOR SALE	Cost		Gains		Losses		Value		Gains		Losses		Fair Value
Investment Securities:
U.S. Treasury	$	14,883	$	30	$	7	$	14,906	$	—	$	—	$	14,906
U.S. Government Agency Debentures	4,835		—		7		4,828		—		—		4,828
State and Political Subdivisions	260,535		8,055		906		267,684		—		—		267,684
Other Stocks and Bonds	13,086		153		—		13,239		—		—		13,239
Other Equity Securities	6,061		—		12		6,049		—		—		6,049
Mortgage-backed Securities:(1)
Residential	952,481		12,624		807		964,298		—		—		964,298
Commercial	176,112		1,743		151		177,704		—		—		177,704
Total	$	1,427,993	$	22,605	$	1,890	$	1,448,708	$	—	$	—	$	1,448,708
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	393,525	$	5,168	$	9,870	$	388,823	$	12,181	$	756	$	400,248
Mortgage-backed Securities:(1)
Residential	52,287		—		70		52,217		2,871		—		55,088
Commercial	207,624		—		6,345		201,279		5,461		489		206,251
Total	$	653,436	$	5,168	$	16,285	$	642,319	$	20,513	$	1,245	$	661,587

(1) All mortgage-backed securities issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

From time to time, the Company may transfer securities from available for sale (“AFS”) to held to maturity (“HTM”) due to overall balance sheet strategies. Our management has the current intent and ability to hold the transferred securities until maturity. Any net unrealized gain or loss on the transferred securities included in accumulated other comprehensive income at the time of transfer will be amortized over the remaining life of the underlying security as an adjustment of the yield on those securities. AFS securities transferred with losses included in accumulated other comprehensive income continue to be included in management’s assessment for other-than-temporary impairment for each individual security.

During the second quarter of 2015, the Company transferred commercial mortgage-backed securities with a fair value of $57.7 million from AFS to HTM. The unrealized gain on the securities transferred from AFS to HTM was $1.3 million ($864,000, net of tax) at the date of transfer based on the fair value of the securities on the transfer date.

The following table represents the unrealized loss on securities as of June 30, 2015 and December 31, 2014 (in thousands):

	As of June 30, 2015
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	71,085	$	914	$	—	$	—	$	71,085	$	914
State and Political Subdivisions	93,099		1,178		26,796		1,004		119,895		2,182
Other Equity Securities	6,027		31		—		—		6,027		31
Mortgage-backed Securities:
Residential	139,161		849		8,329		23		147,490		872
Commercial	265,182		4,553		—		—		265,182		4,553
Total	$	574,554	$	7,525	$	35,125	$	1,027	$	609,679	$	8,552
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	119,415	$	986	$	56,247	$	1,648	$	175,662	$	2,634
Mortgage-backed Securities:
Commercial	137,569		1,885		6,516		92		144,085		1,977
Total	$	256,984	$	2,871	$	62,763	$	1,740	$	319,747	$	4,611
	As of December 31, 2014
	Less Than 12 Months				More Than 12 Months				Total
	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
AVAILABLE FOR SALE
Investment Securities:
U.S. Treasury	$	4,968	$	7	$	—	$	—	$	4,968	$	7
U.S. Government Agency Debentures	4,828		7		—		—		4,828		7
State and Political Subdivisions	28,155		90		44,269		816		72,424		906
Other Equity Securities	6,049		12		—		—		6,049		12
Mortgage-backed Securities:
Residential	347,777		573		27,632		234		375,409		807
Commercial	21,103		54		10,116		97		31,219		151
Total	$	412,880	$	743	$	82,017	$	1,147	$	494,897	$	1,890
HELD TO MATURITY
Investment Securities:
State and Political Subdivisions	$	7,843	$	31	$	64,946	$	725	$	72,789	$	756
Mortgage-backed Securities:
Commercial	—		—		44,144		489		44,144		489
Total	$	7,843	$	31	$	109,090	$	1,214	$	116,933	$	1,245

We review those securities in an unrealized loss position for significant differences between fair value and the cost basis to evaluate if a classification of other-than-temporary impairment is warranted. In estimating other-than-temporary impairment losses, management considers, among other things, the length of time and the extent to which the fair value has been less than cost and the financial condition and near-term prospects of the issuer.  The Company considers an other-than-temporary impairment to have occurred when there is an adverse change in expected cash flows.  When it is determined that a decline in fair value of HTM and AFS securities is other-than-temporary, the carrying value of the security is reduced to its estimated fair value, with a corresponding charge to earnings for the credit portion and the noncredit portion to other comprehensive income. Based upon the length of time and the extent to which fair value is less than cost, we believe the securities with an unrealized loss do not have other-than-temporary impairment at June 30, 2015.

The majority of the unrealized loss positions are comprised of highly rated municipal securities and U.S. Agency mortgage- backed securities (“MBS”) where the unrealized loss is a direct result of the change in interest rates and spreads. For those securities in an unrealized loss position, we do not currently intend to sell the securities and it is not more likely than not that we will be required to sell the security before the anticipated recovery of its amortized cost basis. To the best of management’s knowledge and based on our consideration of the qualitative factors associated with each security, there were no securities in our investment and MBS portfolio with an other-than-temporary impairment at June 30, 2015.

Interest income recognized on securities for the periods presented (in thousands):

	Three Months Ended June 30,
	2015		2014
U.S. Treasury	$	345	$	41
U.S. Government Agency Debentures	32		41
State and Political Subdivisions	5,645		6,031
Other Stocks and Bonds	52		51
Other Equity Securities	29		—
Mortgage-backed Securities	7,666		7,557
Total interest income on securities	$	13,769	$	13,721

	Six Months Ended June 30,
	2015		2014
U.S. Treasury	$	461	$	41
U.S. Government Agency Debentures	64		100
State and Political Subdivisions	11,515		12,001
Other Stocks and Bonds	104		103
Other Equity Securities	61		—
Mortgage-backed Securities	16,128		15,239
Total interest income on securities	$	28,333	$	27,484

Of the approximately $2.6 million in net securities gains from the AFS portfolio for the six months ended June 30, 2015, there were $2.7 million in realized gains and $120,000 in realized losses.  Of the $509,000 in net securities gains from the AFS portfolio for the six months ended June 30, 2014, there were $4.6 million in realized gains and $4.1 million in realized losses. There were no sales from the HTM portfolio during the six months ended June 30, 2015 or 2014. We calculate realized gains and losses on sales of securities under the specific identification method.  

The amortized cost, carrying value and fair value of securities at June 30, 2015, are presented below by contractual maturity.  Expected maturities may differ from contractual maturities because issuers may have the right to call or prepay obligations.  MBS are presented in total by category due to the fact that MBS typically are issued with stated principal amounts, and the securities are backed by pools of mortgages that have loans with varying maturities.  The characteristics of the underlying pool of mortgages, such as fixed-rate or adjustable-rate, as well as prepayment risk, are passed on to the security holder.  The term of a mortgage-backed pass-through security thus approximates the term of the underlying mortgages and can vary significantly due to prepayments.

	June 30, 2015
	Amortized Cost		Fair Value
AVAILABLE FOR SALE	(in thousands)
Investment Securities:
Due in one year or less	$	10,479	$	10,533
Due after one year through five years	26,347		26,786
Due after five years through ten years	150,749		150,286
Due after ten years	175,047		177,387
	362,622		364,992
Mortgage-backed Securities and Other Equity Securities:	1,091,789		1,100,829
Total	$	1,454,411	$	1,465,821

	June 30, 2015
	Carrying Value		Fair Value
HELD TO MATURITY	(in thousands)
Investment Securities:
Due in one year or less	$	1,067	$	1,068
Due after one year through five years	11,205		11,481
Due after five years through ten years	42,863		42,969
Due after ten years	332,077		335,673
	387,212		391,191
Mortgage-backed Securities:	356,669		362,283
Total	$	743,881	$	753,474

Investment securities and MBS with carrying values of $1.10 billion and $1.12 billion were pledged as of June 30, 2015 and December 31, 2014, respectively, to collateralize Federal Home Loan Bank (“FHLB”) advances, repurchase agreements, and public funds or for other purposes as required by law.

Securities with limited marketability, such as FHLB stock and other investments, are carried at cost, which approximates their fair value and are assessed for other-than-temporary impairment.  These securities have no maturity date.

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Loans and Allowance for Probable Loan Losses

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Loans and Allowance for Probable Loan Losses

Loans and Allowance for Probable Loan Losses

Loans in the accompanying consolidated balance sheets are classified as follows (in thousands):

	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	295,633	$	267,830
1-4 Family Residential	683,944		690,895
Other	500,906		468,171
Commercial Loans	228,789		226,460
Municipal Loans	256,492		257,492
Loans to Individuals	214,099		270,285
Total Loans (1)	2,179,863		2,181,133
Less: Allowance for Loan Losses	16,822		13,292
Net Loans	$	2,163,041	$	2,167,841

(1) Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss. The allowance for loan loss recorded on acquired loans for the six months ended June 30, 2015 was not significant.

Real Estate Construction Loans

Our construction loans are collateralized by property located primarily in the market areas we serve. A majority of our construction loans will be owner-occupied upon completion. Construction loans for speculative projects are financed, but these typically have secondary sources of repayment and collateral. Our construction loans have both adjustable and fixed interest rates during the construction period. Construction loans to individuals are typically priced and made with the intention of granting the permanent loan on the property. Speculative and commercial construction loans are subject to underwriting standards similar to that of the commercial portfolio.  Owner occupied 1-4 family residential construction loans are subject to the underwriting standards of the permanent loan.

Real Estate 1-4 Family Residential Loans

Residential loan originations are generated by our loan officers, in-house origination staff, marketing efforts, present customers, walk-in customers and referrals from real estate agents and builders.  We focus our lending efforts primarily on the origination of loans secured by first mortgages on owner-occupied, 1-4 family residences.  Substantially all of our 1-4 family residential loan originations are secured by properties located in or near our market areas.  

Our 1-4 family residential loans generally have maturities ranging from five to 30 years.  These loans are typically fully amortizing with monthly payments sufficient to repay the total amount of the loan.  Our 1-4 family residential loans are made at both fixed and adjustable interest rates.

Underwriting for 1-4 family residential loans includes debt-to-income analysis, credit history analysis, appraised value and down payment considerations. Changes in the market value of real estate can affect the potential losses in the portfolio.

Other Real Estate Loans

Other Real Estate loans primarily include loans collateralized by commercial office buildings, retail, medical facilities and offices, warehouse facilities, hotels and churches. In determining whether to originate commercial real estate loans, we generally consider such factors as the financial condition of the borrower and the debt service coverage of the property. Other real estate loans are made at both fixed and adjustable interest rates for terms generally up to 20 years.

Commercial Loans

Our commercial loans are diversified loan types including short-term working capital loans for inventory and accounts receivable and short- and medium-term loans for equipment or other business capital expansion.  Management does not consider there to be a concentration of risk in any one industry type, other than the medical industry.  Loans to borrowers in the medical industry include all loan types listed above for commercial loans.  Collateral for these loans varies depending on the type of loan and financial strength of the borrower.  The primary source of repayment for loans in the medical community is cash flow from continuing operations.

In our commercial loan underwriting, we assess the creditworthiness, ability to repay, and the value and liquidity of the collateral being offered.  Terms of commercial loans are generally commensurate with the useful life of the collateral offered.

Municipal Loans

We have a specific lending department that makes loans to municipalities and school districts throughout the state of Texas.  The majority of the loans to municipalities and school districts have tax or revenue pledges and in some cases are additionally supported by collateral.  Municipal loans made without a direct pledge of taxes or revenues are usually made based on some type of collateral that represents an essential service.  

Loans to Individuals

Substantially all originations of our loans to individuals are made to consumers in our market areas.  The majority of loans to individuals are collateralized by titled equipment, which are primarily automobiles. Loan terms vary according to the type and value of collateral, length of contract and creditworthiness of the borrower.  The underwriting standards we employ for consumer loans include an application, a determination of the applicant's payment history on other debts, with the greatest weight being given to payment history with us, and an assessment of the borrower's ability to meet existing obligations and payments on the proposed loan.  Although creditworthiness of the applicant is a primary consideration, the underwriting process also includes a comparison of the value of the collateral, if any, in relation to the proposed loan amount. Most of our loans to individuals are collateralized, which management believes should assist in limiting our exposure.

On October 3, 2014, we announced that we intended to sell all of our subprime automobile loans purchased through SFG, as well as the repossessed assets held by SFG.  During the fourth quarter of  2014, the sale of the subprime automobile loans and repossessed assets held by SFG was completed.  As a result, the carrying amount of SFG loans totaling $70.3 million were sold and were therefore not included in our loan portfolio as of December 31, 2014. There have been no subsequent loan pool purchases through SFG since December 2014 and there will be no additional loan pool purchases through SFG. For the six months ended June 30, 2014, SFG purchased loan pools of approximately $30.4 million, net of discount.

Allowance for Loan Losses

The allowance for loan losses is based on the most current review of the loan portfolio and is a result of multiple processes.  First, the bank utilizes historical data to establish general reserve amounts for each class of loans. The historical charge off figure is further adjusted through qualitative factors that include general trends in past dues, nonaccruals and classified loans to more effectively and promptly react to both positive and negative movements. Second, our lenders have the primary responsibility for identifying problem loans based on customer financial stress and underlying collateral.  These recommendations are reviewed by senior loan administration, the special assets department, and the loan review department.  Third, the loan review department independently reviews the portfolio on an annual basis.  The loan review department follows a board-approved annual loan review scope.  The loan review scope encompasses a number of considerations including the size of the loan, the type of credit extended, the seasoning of the loan and the performance of the loan.  The loan review scope, as it relates to size, focuses more on larger dollar loan relationships, typically, for example, aggregate debt of $500,000 or greater.  The loan review officer also reviews specific reserves compared to general reserves to determine trends in comparative reserves as well as losses not reserved for prior to charge-off to determine the effectiveness of the specific reserve process.

At each review, a subjective analysis methodology is used to grade the respective loan.  Categories of grading vary in severity from loans that do not appear to have a significant probability of loss at the time of review to loans that indicate a probability that the entire balance of the loan will be uncollectible.  If full collection of the loan balance appears unlikely at the time of review, estimates of future expected cash flows or appraisals of the collateral securing the debt are used to determine the necessary allowances.  The internal loan review department maintains a list of all loans or loan relationships that are graded as having more than the normal degree of risk associated with them. In addition, a list of specifically reserved loans or loan relationships of $150,000 or more is updated on a quarterly basis in order to properly determine necessary allowances and keep management informed on the status of attempts to correct the deficiencies noted with respect to the loan.

We calculate historical loss ratios for pools of similar loans with similar characteristics based on the proportion of actual charge-offs experienced to the total population of loans in the pool. The historical gross loss ratios are updated based on actual charge-off experience quarterly and adjusted for qualitative factors. Our pools of similar loans include consumer loans and loans secured by 1-4 residential family loans.

Prior to September 30, 2014, SFG loans included in loans to individuals that experienced past due status or extension of maturity characteristics were reserved for at higher levels based on the circumstances associated with each specific loan.  In general, the reserves for SFG were calculated based on the past due status of the loan.  For reserve purposes, the portfolio was segregated by past due status and by the remaining term variance from the original contract.  During repayment, loans that paid late took longer to repay than the original contract.  Additionally, some loans may have been granted extensions for extenuating payment circumstances and evaluated for troubled debt classification.  The remaining term extensions increased the risk of collateral deterioration and, accordingly, reserves were increased to recognize this risk.

Industry and our own experience indicates that a portion of our loans will become delinquent and a portion of the loans will require partial or full charge-off.  Regardless of the underwriting criteria utilized, losses may be experienced as a result of various factors beyond our control, including, among other things, changes in market conditions affecting the value of properties used as collateral for loans and problems affecting the credit of the borrower and the ability of the borrower to make payments on the loan.  Our determination of the appropriateness of the allowance for loan losses is based on various considerations, including an analysis of the risk characteristics of various classifications of loans, previous loan loss experience, specific loans which would have loan loss potential, delinquency trends, estimated fair value of the underlying collateral, current economic conditions, and geographic and industry loan concentration.

Credit Quality Indicators

We categorize loans into risk categories on an ongoing basis based on relevant information about the ability of borrowers to service their debt such as:  current financial information, historical payment experience, credit documentation, public information, and current economic trends, among other factors.  We use the following definitions for risk ratings:

• Pass (Rating 1 – 4) – This rating is assigned to all satisfactory loans.  This category, by definition, consists of acceptable credit.  Credit and collateral exceptions should not be present, although their presence would not necessarily prohibit a loan from being rated Pass, if deficiencies are in process of correction.  These loans are not included in the Watch List.

• Pass Watch (Rating 5) – These loans require some degree of special treatment, but not due to credit quality.  This category does not include loans specially mentioned or adversely classified; however, particular attention must be accorded such credits due to characteristics such as:

◦ A lack of, or abnormally extended payment program;

◦ A heavy degree of concentration of collateral without sufficient margin;

◦ A vulnerability to competition through lesser or extensive financial leverage; and

◦ A dependence on a single or few customers or sources of supply and materials without suitable substitutes or alternatives.

• Special Mention (Rating 6) – A Special Mention asset has potential weaknesses that deserve management’s close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the institution’s credit position at some future date.  Special Mention assets are not adversely classified and do not expose an institution to sufficient risk to warrant adverse classification.

• Substandard (Rating 7) – Substandard loans are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any.  Loans so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt.  They are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not corrected.

• Doubtful (Rating 8) – Loans classified as Doubtful have all the weaknesses inherent in those classified Substandard with the added characteristic that the weaknesses make collection or liquidation, in full, on the basis of currently known facts, conditions and values, highly questionable and improbable.

All accruing loans are reserved for as a group of similar type credits and included in the general portion of the allowance for loan losses. Loans to individuals and 1-4 family residential loans, including loans not accruing, are collectively evaluated and included in the general portion of the allowance for loan losses. All loans considered troubled debt restructurings ("TDR") are evaluated individually for further impairment.

The general portion of the loan loss allowance is reflective of historical charge-off levels for similar loans adjusted for changes in current conditions and other relevant factors.  These factors are likely to cause estimated losses to differ from historical loss experience and include:

• Changes in lending policies or procedures, including underwriting, collection, charge-off, and recovery procedures;

• Changes in local, regional and national economic and business conditions, including entry into new markets;

• Changes in the volume or type of credit extended;

• Changes in the experience, ability, and depth of lending management;

• Changes in the volume and severity of past due, nonaccrual, restructured, or classified loans;

• Changes in charge-off trends;

• Changes in loan review or Board oversight;

• Changes in the level of concentrations of credit; and

• Changes in external factors, such as competition and legal and regulatory requirements.

These factors are also considered for the Omni purchased portfolio specifically in regards to changes in past due, nonaccrual and charge-off trends.

The following table details activity in the allowance for loan losses by portfolio segment for the periods presented (in thousands):

	Three Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period	$	2,774	$	3,400		$	3,360	$	5,316		$	824	$	1,252		$	16,926
Provision (reversal) for loan losses	86		93			162		(308		)	9		226			268
Loans charged off	—		(40		)	—		(50		)	—		(803		)	(893		)
Recoveries of loans charged off	49		15			7		55			—		395			521
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

	Six Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period (1)	$	2,456	$	2,822		$	3,025	$	3,279		$	716	$	994		$	13,292
Provision (reversal) for loan losses	361		666			431		1,757			117		784			4,116
Loans charged off	—		(46		)	—		(107		)	—		(1,826		)	(1,979		)
Recoveries of loans charged off	92		26			73		84			—		1,118			1,393
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

(1) Loans acquired with the Omni acquisition were measured at fair value on December 17, 2014 with no carryover of allowance for loan loss.

	Three Months Ended June 30, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,130	$	3,797	$	2,411	$	2,031		$	777		$	7,641		$	18,787
Provision (reversal) for loan losses	319		92		24		(322		)	(114		)	2,651			2,650
Loans charged off	—		—		—		(5		)	—			(3,541		)	(3,546		)
Recoveries of loans charged off	47		26		1		53			—			390			517
Balance at end of period	$	2,496	$	3,915	$	2,436	$	1,757		$	663		$	7,141		$	18,408

	Six Months Ended June 30, 2014
	Real Estate
	Construction			1-4 Family Residential			Other			Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,142		$	3,277		$	2,572		$	1,970		$	668		$	8,248		$	18,877
Provision (reversal) for loan losses	309			628			(140		)	(319		)	(5		)	6,310			6,783
Loans charged off	(14		)	(22		)	—			(5		)	—			(8,273		)	(8,314		)
Recoveries of loans charged off	59			32			4			111			—			856			1,062
Balance at end of period	$	2,496		$	3,915		$	2,436		$	1,757		$	663		$	7,141		$	18,408

The following tables present the balance in the allowance for loan losses by portfolio segment based on impairment method (in thousands):

	As of June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	45	$	28	$	121	$	3,274	$	201	$	46	$	3,715
Ending balance – collectively evaluated for impairment	2,864		3,440		3,408		1,739		632		1,024		13,107
Balance at end of period	$	2,909	$	3,468	$	3,529	$	5,013	$	833	$	1,070	$	16,822

	As of December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	43	$	102	$	26	$	242	$	14	$	103	$	530
Ending balance – collectively evaluated for impairment	2,413		2,720		2,999		3,037		702		891		12,762
Balance at end of period	$	2,456	$	2,822	$	3,025	$	3,279	$	716	$	994	$	13,292

The following tables present the recorded investment in loans by portfolio segment based on impairment method (in thousands):

	June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,342	$	1,793	$	4,099	$	14,987	$	949	$	179	$	24,349
Loans collectively evaluated for impairment	293,061		675,039		493,344		204,826		255,543		213,410		2,135,223
Purchased credit impaired loans	230		7,112		3,463		8,976		—		510		20,291
Total ending loan balance	$	295,633	$	683,944	$	500,906	$	228,789	$	256,492	$	214,099	$	2,179,863

	December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,461	$	2,936	$	1,605	$	1,011	$	699	$	310	$	9,022
Loans collectively evaluated for impairment (1)	264,584		680,658		463,564		216,272		256,793		268,894		2,150,765
Purchased credit impaired loans (2)	785		7,301		3,002		9,177		—		1,081		21,346
Total ending loan balance	$	267,830	$	690,895	$	468,171	$	226,460	$	257,492	$	270,285	$	2,181,133

(1) Includes purchased non impaired loans which were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

(2) PCI loans were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

The following table sets forth loans by credit quality indicator for the periods presented (in thousands):

	June 30, 2015
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful (1)		Total
Real Estate Loans:
Construction	$	290,038	$	29	$	1,366	$	4,174	$	26	$	295,633
1-4 Family Residential	670,852		1,428		1,664		6,305		3,695		683,944
Other	489,166		—		83		11,657		—		500,906
Commercial Loans	200,583		751		962		17,910		8,583		228,789
Municipal Loans	255,543		—		—		699		250		256,492
Loans to Individuals	212,757		11		—		469		862		214,099
Total	$	2,118,939	$	2,219	$	4,075	$	41,214	$	13,416	$	2,179,863

(1) Includes $0.1 million special mention, $4.4 million substandard, and $10.4 million doubtful of PCI loans as of June 30, 2015.

	December 31, 2014
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful		Total
Real Estate Loans:
Construction	$	260,183	$	862	$	1,394	$	5,363	$	28	$	267,830
1-4 Family Residential	677,559		1,453		1,706		9,167		1,010		690,895
Other	455,394		2,416		2,569		7,792		—		468,171
Commercial Loans	199,306		781		1,044		25,102		227		226,460
Municipal Loans	256,543		—		—		949		—		257,492
Loans to Individuals	269,204		16		—		871		194		270,285
Total	$	2,118,189	$	5,528	$	6,713	$	49,244	$	1,459	$	2,181,133

(1) Includes $0.7 million special mention and $17.8 million substandard of PCI loans as of December 31, 2014.

Nonperforming Assets and Past Due Loans

Nonaccrual loans are loans 90 days or more delinquent and collection in full of both the principal and interest is not expected.  Additionally, some loans that are not delinquent may be placed on nonaccrual status due to doubts about full collection of principal or interest.  When a loan is categorized as nonaccrual, the accrual of interest is discontinued and any accrued balance is reversed for financial statement purposes.  Payments received on nonaccrual loans are applied to the outstanding principal balance. Payments of contractual interest are recognized as income only to the extent that full recovery of the principal balance of the loan is reasonably certain.  Loans are returned to accrual status when all the principal and interest amounts contractually due are brought current and future payments are reasonably assured.  Other factors, such as the value of collateral securing the loan and the financial condition of the borrower, are considered in judgments as to potential loan loss.

Nonaccrual loans and accruing loans past due more than 90 days include both smaller balance homogeneous loans that are collectively evaluated for impairment and individually classified impaired loans.

PCI loans are recorded at fair value at acquisition date. Although the PCI loans may be contractually delinquent, we do not classify these loans as past due or nonperforming as the loans were written down to fair value at the acquisition date and the accretable yield is recognized in interest income over the remaining life of the loan. Subsequent to acquisition, we re-assess PCI loans for additional impairment.

The following table sets forth nonperforming assets for the periods presented (in thousands):

	At June 30, 2015		At December 31, 2014
Nonaccrual loans (1)	$	21,223	$	4,096
Accruing loans past due more than 90 days (1)	30		4
Restructured loans (1)	5,667		5,874
Other real estate owned	787		1,738
Repossessed assets	87		565
Total Nonperforming Assets	$	27,794	$	12,277

(1) Excludes PCI loans measured at fair value at acquisition.

Foreclosed assets include other real estate owned and repossessed assets. For 1-4 family residential real estate properties, a loan is recognized as a foreclosed property once legal title to the real estate property has been received upon completion of foreclosure or the borrower has conveyed all interest in the residential property through a deed in lieu of foreclosure. Loans secured by 1-4 family residential properties for which formal foreclosure proceedings were in process as of June 30, 2015 were $170,000.

The following table sets forth the recorded investment in nonaccrual loans by class of loans for the periods presented (in thousands):

	Nonaccrual Loans (1)
	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	597	$	716
1-4 Family Residential	1,972		2,017
Other	3,204		675
Commercial Loans	14,249		416
Municipal Loans	249		—
Loans to Individuals	952		272
Total	$	21,223	$	4,096

(1) Excludes PCI loans measured at fair value at acquisition.

Accruing loans past due more than 90 days were not significant.

Loans are considered impaired if, based on current information and events, it is probable we will be unable to collect the scheduled payments of principal and interest when due according to the contractual terms of the loan agreement.  Impairment is evaluated in total for smaller-balance loans of a similar nature and on an individual loan basis for other loans. The measurement of loss on impaired loans is generally based on the fair value of the collateral if repayment is expected solely from the collateral or the present value of the expected future cash flows discounted at the historical effective interest rate stipulated in the loan agreement. In measuring the fair value of the collateral, in addition to relying on third party appraisals, we use assumptions, such as discount rates, and methodologies, such as comparison to the recent selling price of similar assets, consistent with those that would be utilized by unrelated third parties performing a valuation. Loans that are evaluated and determined not to meet the definition of an impaired loan are reserved for at the general reserve rate for its appropriate class.

At the time a loss is probable in the collection of contractual amounts, specific reserves are allocated.  Loans are charged off to the liquidation value of the collateral net of liquidation costs, if any, when deemed uncollectible or as soon as collection by liquidation is evident.

The following tables set forth impaired loans by class of loans for the periods presented (in thousands):  

	June 30, 2015
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,093	$	2,342	$	45
1-4 Family Residential	1,877		1,793		28
Other	4,587		4,532		121
Commercial Loans	16,597		14,987		3,274
Municipal Loans	949		949		201
Loans to Individuals	199		179		46
Total (1)	$	27,302	$	24,782	$	3,715

	December 31, 2014
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,183	$	2,461	$	43
1-4 Family Residential	4,023		3,854		108
Other	1,622		1,605		26
Commercial Loans	1,162		1,011		242
Municipal Loans	699		699		14
Loans to Individuals	321		310		103
Total (1)	$	11,010	$	9,940	$	536

(1) PCI loans are excluded from this table as there was no evidence of further deterioration in credit quality subsequent to the acquisition date that would indicate it is probable that our recorded investment in these loans would not be recoverable.

There were no impaired loans recorded without an allowance as of June 30, 2015 or December 31, 2014.

The following tables present the aging of the recorded investment in past due loans by class of loans (in thousands):

	June 30, 2015
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	561	$	55	$	550	$	1,166	$	294,467	$	295,633
1-4 Family Residential	458		1,541		455		2,454		681,490		683,944
Other	53		218		1,346		1,617		499,289		500,906
Commercial Loans	408		924		122		1,454		227,335		228,789
Municipal Loans	—		—		250		250		256,242		256,492
Loans to Individuals	2,952		760		299		4,011		210,088		214,099
Total	$	4,432	$	3,498	$	3,022	$	10,952	$	2,168,911	$	2,179,863

	December 31, 2014
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	376	$	42	$	716	$	1,134	$	266,696	$	267,830
1-4 Family Residential	3,511		509		2,017		6,037		684,858		690,895
Other	1,203		—		675		1,878		466,293		468,171
Commercial Loans	397		3		416		816		225,644		226,460
Municipal Loans	—		—		—		—		257,492		257,492
Loans to Individuals	362		66		276		704		269,581		270,285
Total	$	5,849	$	620	$	4,100	$	10,569	$	2,170,564	$	2,181,133

(1) Includes PCI loans measured at fair value at acquisition.

The following table sets forth interest income recognized on impaired loans by class of loans for the periods presented. Average recorded investment of impaired loans is reported on a year-to-date basis (in thousands):

	Three Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,361	$	23	$	1,643	$	9
1-4 Family residential	3,692		14		3,418		21
Other	3,586		13		2,838		22
Commercial loans	15,163		9		1,444		12
Municipal loans	949		10		759		21
Loans to individuals	881		1		2,144		23
Total	$	26,632	$	70	$	12,246	$	108

	Six Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,382	$	46	$	1,578	$	11
1-4 Family Residential	3,855		29		2,982		65
Other	2,731		25		2,362		75
Commercial Loans	9,070		18		1,446		19
Municipal Loans	842		19		759		21
Loans to Individuals	670		1		2,679		103
Total	$	19,550	$	138	$	11,806	$	294

(1) Excludes PCI loans measured at fair value at acquisition.

Troubled Debt Restructurings

The restructuring of a loan is considered a TDR if both (i) the borrower is experiencing financial difficulties and (ii) the creditor has granted a concession.  Concessions may include interest rate reductions or below market interest rates, restructuring amortization schedules and other actions intended to minimize potential losses.

The following tables set forth the recorded balance at June 30, 2015 and 2014 of loans considered to be TDRs that were restructured during the periods presented (dollars in thousands):

	Three Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Commercial Loans	$	300	$	—	$	—	$	300	1
Loans to Individuals	4		—		58		62		7
Total	$	304	$	—	$	58	$	362	8

	Six Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	—	$	262	$	262	2
Other	30		—		—		30		1
Commercial Loans	300		—		762		1,062		2
Loans to Individuals	4		—		84		88		9
Total	$	334	$	—	$	1,108	$	1,442	14

	Three Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Other	$	—	$	—	$	388	$	388	1
Commercial Loans	60		—		—		60		2
Total	$	60	$	—	$	388	$	448	3

	Six Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	284	$	—	$	284	1
Other	—		—		413		413		2
Commercial Loans	313		—		56		369		5
Loans to Individuals	—		15		45		60		4
Total	$	313	$	299	$	514	$	1,126	12

(1) These modifications include an extension of the amortization period and interest rate reduction.

The majority of loans restructured as TDRs during the six months ended June 30, 2015 were modified with a combination of interest rate reductions and maturity extensions. Interest continues to be charged on principal balances outstanding during the extended term. Therefore, the financial effects of the recorded investment of loans restructured as TDRs during the three and six months ended June 30, 2015 and June 30, 2014 were not significant. Generally, the loans identified as TDRs were previously reported as impaired loans prior to restructuring and therefore the modification did not impact our determination of the allowance for loan losses.

On an ongoing basis, the performance of the TDRs is monitored for subsequent payment default. Payment default for TDRs is recognized when the borrower is 90 days or more past due. For the three and six months ended June 30, 2015 and 2014, there were no material defaults. Payment defaults for TDRs did not significantly impact the determination of the allowance for loan loss in either period presented.

At June 30, 2015 and 2014, there were no commitments to lend additional funds to borrowers whose terms had been modified in TDRs.

Purchased Credit Impaired Loans

The following table presents the outstanding principal balance and carrying value for PCI loans for the periods presented (in thousands):

	June 30, 2015		December 31, 2014
Outstanding principal balance	$	30,215	$	32,572
Carrying amount	$	20,291	$	21,346

The following table presents the changes of the accretable yield during the periods for PCI loans (in thousands):

	Three Months Ended			Six Months Ended
	June 30, 2015
Balance at beginning of period	$	1,296		$	1,820
Additions	—			—
Additions due to acquisition	—			—
Accretion	(618		)	(1,142		)
Balance at end of period	$	678		$	678

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2015

Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic benefit cost are as follows (in thousands):

	Three Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	443		$	401		$	—		$	—	$	118	$	68
Interest cost	848			876			60			—		171		145
Expected return on assets	(1,420		)	(1,412		)	(74		)	—		—		—
Net actuarial loss recognition	369			141			—			—		245		148
Prior service (credit) cost amortization	(5		)	(6		)	—			—		1		2
Net periodic benefit cost	$	235		$	—		$	(14	)	$	—	$	535	$	363

	Six Months Ended June 30,
	Defined Benefit Pension Plan						Defined Benefit Pension Plan Acquired					Restoration Plan
	2015			2014			2015			2014		2015		2014
Service cost	$	919		$	849		$	—		$	—	$	191	$	137
Interest cost	1,705			1,748			119			—		306		281
Expected return on assets	(2,842		)	(2,824		)	(147		)	—		—		—
Net actuarial loss recognition	752			272			—			—		393		249
Prior service (credit) cost amortization	(11		)	(10		)	—			—		3		3
Net periodic benefit cost	$	523		$	35		$	(28	)	$	—	$	893	$	670

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Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Current income tax expense	$ 2,451	$ 1,342	$ 5,889	$ 3,358
Deferred income tax (benefit) expense	(484)	(504)	(2,019)	(1,361)
Income tax expense	$ 1,967	$ 838	$ 3,870	$ 1,997

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- Off-Balance-Sheet Arrangements, Commitments and Contingencies (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk, at fair value	$ 438,330	$ 379,477
Securities:
Unsettled trades to purchase securities	3,453	5,982	$ 10,269
Unsettled trades to sell securities	0	57,202	$ 19,183
Deposits:
Unsettled issuances of brokered CDs	0	0
Standby Letters of Credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk, at fair value	6,950	6,222
Commitments to Extend Credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments with off-balance-sheet risk, at fair value	$ 431,380	$ 373,255

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Fair Value Measurement - Fair Value, Balance Sheet Grouping (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investment securities:
Held to maturity, at carrying value	$ 391,191	$ 400,248
Mortgage-backed securities:
Held to maturity, at carrying value	362,283	261,339
Level 1
Financial Assets:
Cash and cash equivalents	77,029	84,655
Investment securities:
Held to maturity, at carrying value	0	0
Mortgage-backed securities:
Held to maturity, at carrying value	0	0
FHLB stock and other investments, at cost	0	0
Loans, net of allowance for loan losses	0	0
Loans held for sale	0	0
Financial Liabilities:
Retail deposits	0	0
Federal funds purchased and repurchase agreements	0	0
FHLB advances	0	0
Long-term debt	0	0
Level 2
Financial Assets:
Cash and cash equivalents	0	0
Investment securities:
Held to maturity, at carrying value	391,191	400,248
Mortgage-backed securities:
Held to maturity, at carrying value	362,283	261,339
FHLB stock and other investments, at cost	43,119	43,871
Loans, net of allowance for loan losses	0	0
Loans held for sale	7,431	2,899
Financial Liabilities:
Retail deposits	3,465,818	3,369,784
Federal funds purchased and repurchase agreements	2,084	4,237
FHLB advances	847,565	886,087
Long-term debt	44,230	43,860
Level 3
Financial Assets:
Cash and cash equivalents	0	0
Investment securities:
Held to maturity, at carrying value	0	0
Mortgage-backed securities:
Held to maturity, at carrying value	0	0
FHLB stock and other investments, at cost	0	0
Loans, net of allowance for loan losses	2,130,397	2,140,088
Loans held for sale	0	0
Financial Liabilities:
Retail deposits	0	0
Federal funds purchased and repurchase agreements	0	0
FHLB advances	0	0
Long-term debt	0	0
Carrying Amount
Financial Assets:
Cash and cash equivalents	77,029	84,655
Investment securities:
Held to maturity, at carrying value	387,212	388,823
Mortgage-backed securities:
Held to maturity, at carrying value	356,669	253,496
FHLB stock and other investments, at cost	43,119	43,871
Loans, net of allowance for loan losses	2,163,041	2,167,841
Loans held for sale	7,431	2,899
Financial Liabilities:
Retail deposits	3,468,683	3,374,417
Federal funds purchased and repurchase agreements	2,084	4,237
FHLB advances	854,953	897,420
Long-term debt	60,311	60,311
Estimated Fair Value
Financial Assets:
Cash and cash equivalents	77,029	84,655
Investment securities:
Held to maturity, at carrying value	391,191	400,248
Mortgage-backed securities:
Held to maturity, at carrying value	362,283	261,339
FHLB stock and other investments, at cost	43,119	43,871
Loans, net of allowance for loan losses	2,130,397	2,140,088
Loans held for sale	7,431	2,899
Financial Liabilities:
Retail deposits	3,465,818	3,369,784
Federal funds purchased and repurchase agreements	2,084	4,237
FHLB advances	847,565	886,087
Long-term debt	$ 44,230	$ 43,860

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Acquisitions - Acquisitions (Details) $ in Thousands		6 Months Ended
	Dec. 17, 2014 banking_office	Jun. 30, 2015 USD ($)
Goodwill [Roll Forward]
Balance as of December 31, 2014		$ 91,372
Less: measurement period adjustments		(801)
Balance as of June 30, 2015		90,571
OmniAmerican Bancorp, Inc.
Business Acquisition [Line Items]
Date of acquisition	Dec. 17, 2014
Percentage of voting interests acquired	100.00%
Name of acquired entity	OmniAmerican Bancorp, Inc.
Number of banking offices | banking_office	14
OmniAmerican Bancorp, Inc. | Other investments
Business Acquisition [Line Items]
Adjustment to the fair value of Visa Class B stock included in other investments		$ 1,400

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Loans and Allowance for Probable Loan Losses - Aging of Past Due Loans by Class of Loan (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 10,952	$ 10,569
Current	[1]	2,168,911	2,170,564
Total ending loan balance	[2]	2,179,863	2,181,133
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,166	1,134
Current	[1]	294,467	266,696
Total ending loan balance		295,633	267,830
1-4 Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,454	6,037
Current	[1]	681,490	684,858
Total ending loan balance		683,944	690,895
Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,617	1,878
Current	[1]	499,289	466,293
Total ending loan balance		500,906	468,171
Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,454	816
Current	[1]	227,335	225,644
Total ending loan balance		228,789	226,460
Municipal Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		250	0
Current	[1]	256,242	257,492
Total ending loan balance		256,492	257,492
Loans to Individuals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,011	704
Current	[1]	210,088	269,581
Total ending loan balance		214,099	270,285
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,432	5,849
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		561	376
Financing Receivables, 30 to 59 Days Past Due [Member] | 1-4 Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		458	3,511
Financing Receivables, 30 to 59 Days Past Due [Member] | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		53	1,203
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		408	397
Financing Receivables, 30 to 59 Days Past Due [Member] | Municipal Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Loans to Individuals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,952	362
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		3,498	620
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		55	42
Financing Receivables, 60 to 89 Days Past Due [Member] | 1-4 Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,541	509
Financing Receivables, 60 to 89 Days Past Due [Member] | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		218	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		924	3
Financing Receivables, 60 to 89 Days Past Due [Member] | Municipal Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Loans to Individuals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		760	66
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		3,022	4,100
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		550	716
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | 1-4 Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		455	2,017
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,346	675
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		122	416
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Municipal Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		250	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans to Individuals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 299	$ 276

[1] Includes PCI loans measured at fair value at acquisition.

[2] Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss.

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Basis of Presentation Accounting Pronouncements (Policies)

6 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Basis of Presentation and Significant Accounting Policies

Basis of Presentation

In this report, the words “the Company,” “we,” “us,” and “our” refer to the combined entities of Southside Bancshares, Inc. and its subsidiaries.  The words “Southside” and “Southside Bancshares” refer to Southside Bancshares, Inc.  The words “Southside Bank” and “the Bank” refer to Southside Bank.  “OABC” and “Omni” refer to OmniAmerican Bancorp, Inc.  “SFG” refers to SFG Finance, LLC (formerly Southside Financial Group, LLC), which was a wholly-owned subsidiary of the Bank and was dissolved in April 2015.

The consolidated balance sheet as of June 30, 2015, and the related consolidated statements of income, comprehensive income, changes in shareholders' equity and cash flows and notes to the financial statements for the three- and six-month periods ended June 30, 2015 and 2014 are unaudited; in the opinion of management, all adjustments necessary for a fair statement of such financial statements have been included.  Such adjustments consisted only of normal recurring items.  All significant intercompany accounts and transactions are eliminated in consolidation.  The preparation of these consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires the use of management’s estimates.  These estimates are subjective in nature and involve matters of judgment.  Actual amounts could differ from these estimates.

Certain prior period amounts have been reclassified to conform to current year presentation and had no impact on net income, equity or cash flows.

Interim results are not necessarily indicative of results for a full year.  These financial statements should be read in conjunction with the financial statements and notes thereto in our Annual Report on Form 10-K for the year ended December 31, 2014.  For a description of our significant accounting and reporting policies, refer to "Note 1- Summary of Significant Accounting and Reporting Policies" in our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2014.

On April 13, 2015, our board of directors declared a 5% stock dividend to common stock shareholders of record as of April 27, 2015, which was paid on May 14, 2015. All share data has been adjusted to give retroactive recognition to stock dividends.

Accounting Pronouncements

Accounting Pronouncements

In January 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-04, “Receivables-Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure.” This update clarifies that an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of the residential real estate property collateralizing a consumer mortgage loan, upon either: (i) the creditor obtaining legal title to the property upon completion of the foreclosure; or (ii) the borrower conveying all interest in the property to the creditor to satisfy the loan through completion of a deed-in-lieu of foreclosure or through a similar legal agreement. ASU 2014-04 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606).”  This update states that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services.  This update affects entities that enter into contracts with customers to transfer goods or services or enter into contracts for the transfer of nonfinancial assets, unless those contracts are within the scope of other standards.  ASU 2014-09 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2016.  Early adoption is not permitted.  We are reviewing the potential impact the adoption of this guidance will have on our consolidated financial statements.

In June 2014, the FASB issued ASU 2014-11, “Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures.”  This update aligns the accounting for repurchase-to-maturity transactions and repurchase agreements executed as a repurchase financing with the accounting for other typical repurchase agreements by accounting for these transactions as secured borrowings.  This update also requires a new disclosure for transactions economically similar to repurchase agreements in which the transferor retains substantially all of the exposure to the economic return of the transferred financial assets throughout the term of the transaction.  ASU 2014-11 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In August 2014, the FASB issued ASU 2014-14, “Receivables - Troubled Debt Restructurings by Creditors (Subtopic 310-40): Classification of Certain Government-Guaranteed Mortgage Loans upon Foreclosure.”  This update affects creditors that hold government-guaranteed mortgage loans, including those guaranteed by the Federal Housing Administration (FHA) of the U.S.  Department of Housing and Urban Development (HUD), and the U.S. Department of Veterans Affairs (VA).  The update requires that, upon foreclosure, a guaranteed mortgage loan be derecognized and a separate other receivable be recognized when specific criteria are met.  ASU 2014-14 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2014. The adoption of this guidance did not have a significant impact on our consolidated financial statements.

In April 2015, the FASB issued ASU 2015-05, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40) – Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement.” ASU 2015-05 affects the accounting for fees paid by a customer in cloud computing arrangements such as (i) software as a service, (ii) platform as a service (iii) infrastructure as a service and (iv) other similar hosting arrangements. If a cloud computing arrangement includes a software license, then the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. ASU 2015-05 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

In May 2015, the FASB issued ASU 2015-07, "Disclosures for Investments in Certain Entities that Calculate Net Asset Value per Share." ASU 2015-07 eliminates the current requirement to categorize within the fair value hierarchy investments whose fair values are measured at net asset value ("NAV"). Instead, entities will be required to disclose the fair values of such investments so that financial statement users can reconcile amounts reported in the fair value hierarchy table and the amounts reported on the balance sheet. ASU 2015-07 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted. The adoption of this guidance is not expected to have a significant impact on our consolidated financial statements.

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Loans and Allowance for Probable Loan Losses (Tables)

6 Months Ended

Jun. 30, 2015

Receivables [Abstract]

Classification of loans in the consolidated balance sheets

Loans in the accompanying consolidated balance sheets are classified as follows (in thousands):

	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	295,633	$	267,830
1-4 Family Residential	683,944		690,895
Other	500,906		468,171
Commercial Loans	228,789		226,460
Municipal Loans	256,492		257,492
Loans to Individuals	214,099		270,285
Total Loans (1)	2,179,863		2,181,133
Less: Allowance for Loan Losses	16,822		13,292
Net Loans	$	2,163,041	$	2,167,841

(1) Includes approximately $679.7 million and $763.3 million of loans acquired with the Omni acquisition as of June 30, 2015 and December 31, 2014, respectively. These loans were measured at fair value at the acquisition date with no carryover of allowance for loan loss. The allowance for loan loss recorded on acquired loans for the six months ended June 30, 2015 was not significant.

Activity in the allowance for loan losses by portfolio segment

The following table details activity in the allowance for loan losses by portfolio segment for the periods presented (in thousands):

	Three Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period	$	2,774	$	3,400		$	3,360	$	5,316		$	824	$	1,252		$	16,926
Provision (reversal) for loan losses	86		93			162		(308		)	9		226			268
Loans charged off	—		(40		)	—		(50		)	—		(803		)	(893		)
Recoveries of loans charged off	49		15			7		55			—		395			521
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

	Six Months Ended June 30, 2015
	Real Estate
	Construction		1-4 Family Residential			Other		Commercial Loans			Municipal Loans		Loans to Individuals			Total
Balance at beginning of period (1)	$	2,456	$	2,822		$	3,025	$	3,279		$	716	$	994		$	13,292
Provision (reversal) for loan losses	361		666			431		1,757			117		784			4,116
Loans charged off	—		(46		)	—		(107		)	—		(1,826		)	(1,979		)
Recoveries of loans charged off	92		26			73		84			—		1,118			1,393
Balance at end of period	$	2,909	$	3,468		$	3,529	$	5,013		$	833	$	1,070		$	16,822

(1) Loans acquired with the Omni acquisition were measured at fair value on December 17, 2014 with no carryover of allowance for loan loss.

	Three Months Ended June 30, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,130	$	3,797	$	2,411	$	2,031		$	777		$	7,641		$	18,787
Provision (reversal) for loan losses	319		92		24		(322		)	(114		)	2,651			2,650
Loans charged off	—		—		—		(5		)	—			(3,541		)	(3,546		)
Recoveries of loans charged off	47		26		1		53			—			390			517
Balance at end of period	$	2,496	$	3,915	$	2,436	$	1,757		$	663		$	7,141		$	18,408

	Six Months Ended June 30, 2014
	Real Estate
	Construction			1-4 Family Residential			Other			Commercial Loans			Municipal Loans			Loans to Individuals			Total
Balance at beginning of period	$	2,142		$	3,277		$	2,572		$	1,970		$	668		$	8,248		$	18,877
Provision (reversal) for loan losses	309			628			(140		)	(319		)	(5		)	6,310			6,783
Loans charged off	(14		)	(22		)	—			(5		)	—			(8,273		)	(8,314		)
Recoveries of loans charged off	59			32			4			111			—			856			1,062
Balance at end of period	$	2,496		$	3,915		$	2,436		$	1,757		$	663		$	7,141		$	18,408

Balance in the allowance for loan losses by portfolio segment based on impairment method

The following tables present the balance in the allowance for loan losses by portfolio segment based on impairment method (in thousands):

	As of June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	45	$	28	$	121	$	3,274	$	201	$	46	$	3,715
Ending balance – collectively evaluated for impairment	2,864		3,440		3,408		1,739		632		1,024		13,107
Balance at end of period	$	2,909	$	3,468	$	3,529	$	5,013	$	833	$	1,070	$	16,822

	As of December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Ending balance – individually evaluated for impairment	$	43	$	102	$	26	$	242	$	14	$	103	$	530
Ending balance – collectively evaluated for impairment	2,413		2,720		2,999		3,037		702		891		12,762
Balance at end of period	$	2,456	$	2,822	$	3,025	$	3,279	$	716	$	994	$	13,292

Balance in recorded investments in loans by portfolio segment based on impairment method

The following tables present the recorded investment in loans by portfolio segment based on impairment method (in thousands):

	June 30, 2015
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,342	$	1,793	$	4,099	$	14,987	$	949	$	179	$	24,349
Loans collectively evaluated for impairment	293,061		675,039		493,344		204,826		255,543		213,410		2,135,223
Purchased credit impaired loans	230		7,112		3,463		8,976		—		510		20,291
Total ending loan balance	$	295,633	$	683,944	$	500,906	$	228,789	$	256,492	$	214,099	$	2,179,863

	December 31, 2014
	Real Estate
	Construction		1-4 Family Residential		Other		Commercial Loans		Municipal Loans		Loans to Individuals		Total
Loans individually evaluated for impairment	$	2,461	$	2,936	$	1,605	$	1,011	$	699	$	310	$	9,022
Loans collectively evaluated for impairment (1)	264,584		680,658		463,564		216,272		256,793		268,894		2,150,765
Purchased credit impaired loans (2)	785		7,301		3,002		9,177		—		1,081		21,346
Total ending loan balance	$	267,830	$	690,895	$	468,171	$	226,460	$	257,492	$	270,285	$	2,181,133

(1) Includes purchased non impaired loans which were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

(2) PCI loans were measured at fair value at acquisition and did not have an associated allowance for loan loss as of December 31, 2014.

Summary of loans by credit quality indicators

The following table sets forth loans by credit quality indicator for the periods presented (in thousands):

	June 30, 2015
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful (1)		Total
Real Estate Loans:
Construction	$	290,038	$	29	$	1,366	$	4,174	$	26	$	295,633
1-4 Family Residential	670,852		1,428		1,664		6,305		3,695		683,944
Other	489,166		—		83		11,657		—		500,906
Commercial Loans	200,583		751		962		17,910		8,583		228,789
Municipal Loans	255,543		—		—		699		250		256,492
Loans to Individuals	212,757		11		—		469		862		214,099
Total	$	2,118,939	$	2,219	$	4,075	$	41,214	$	13,416	$	2,179,863

(1) Includes $0.1 million special mention, $4.4 million substandard, and $10.4 million doubtful of PCI loans as of June 30, 2015.

	December 31, 2014
	Pass		Pass Watch		Special Mention (1)		Substandard (1)		Doubtful		Total
Real Estate Loans:
Construction	$	260,183	$	862	$	1,394	$	5,363	$	28	$	267,830
1-4 Family Residential	677,559		1,453		1,706		9,167		1,010		690,895
Other	455,394		2,416		2,569		7,792		—		468,171
Commercial Loans	199,306		781		1,044		25,102		227		226,460
Municipal Loans	256,543		—		—		949		—		257,492
Loans to Individuals	269,204		16		—		871		194		270,285
Total	$	2,118,189	$	5,528	$	6,713	$	49,244	$	1,459	$	2,181,133

(1) Includes $0.7 million special mention and $17.8 million substandard of PCI loans as of December 31, 2014.

Summary of nonperforming assets for the period

The following table sets forth nonperforming assets for the periods presented (in thousands):

	At June 30, 2015		At December 31, 2014
Nonaccrual loans (1)	$	21,223	$	4,096
Accruing loans past due more than 90 days (1)	30		4
Restructured loans (1)	5,667		5,874
Other real estate owned	787		1,738
Repossessed assets	87		565
Total Nonperforming Assets	$	27,794	$	12,277

(1) Excludes PCI loans measured at fair value at acquisition.

Recorded investment in nonaccrual and accruing loans past due more than 90 days by class of loans

The following table sets forth the recorded investment in nonaccrual loans by class of loans for the periods presented (in thousands):

	Nonaccrual Loans (1)
	June 30, 2015		December 31, 2014
Real Estate Loans:
Construction	$	597	$	716
1-4 Family Residential	1,972		2,017
Other	3,204		675
Commercial Loans	14,249		416
Municipal Loans	249		—
Loans to Individuals	952		272
Total	$	21,223	$	4,096

(1) Excludes PCI loans measured at fair value at acquisition.

Summary of impaired loans by class of loans for the period

The following tables set forth impaired loans by class of loans for the periods presented (in thousands):  

	June 30, 2015
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,093	$	2,342	$	45
1-4 Family Residential	1,877		1,793		28
Other	4,587		4,532		121
Commercial Loans	16,597		14,987		3,274
Municipal Loans	949		949		201
Loans to Individuals	199		179		46
Total (1)	$	27,302	$	24,782	$	3,715

	December 31, 2014
	Unpaid Contractual Principal Balance		Recorded Investment With Allowance		Related  Allowance for  Loan Losses
Real Estate Loans:
Construction	$	3,183	$	2,461	$	43
1-4 Family Residential	4,023		3,854		108
Other	1,622		1,605		26
Commercial Loans	1,162		1,011		242
Municipal Loans	699		699		14
Loans to Individuals	321		310		103
Total (1)	$	11,010	$	9,940	$	536

(1) PCI loans are excluded from this table as there was no evidence of further deterioration in credit quality subsequent to the acquisition date that would indicate it is probable that our recorded investment in these loans would not be recoverable.

Aging of recorded investment in past due loans by class of loans

The following tables present the aging of the recorded investment in past due loans by class of loans (in thousands):

	June 30, 2015
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	561	$	55	$	550	$	1,166	$	294,467	$	295,633
1-4 Family Residential	458		1,541		455		2,454		681,490		683,944
Other	53		218		1,346		1,617		499,289		500,906
Commercial Loans	408		924		122		1,454		227,335		228,789
Municipal Loans	—		—		250		250		256,242		256,492
Loans to Individuals	2,952		760		299		4,011		210,088		214,099
Total	$	4,432	$	3,498	$	3,022	$	10,952	$	2,168,911	$	2,179,863

	December 31, 2014
	30-59 Days Past Due		60-89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Current (1)		Total
Real Estate Loans:
Construction	$	376	$	42	$	716	$	1,134	$	266,696	$	267,830
1-4 Family Residential	3,511		509		2,017		6,037		684,858		690,895
Other	1,203		—		675		1,878		466,293		468,171
Commercial Loans	397		3		416		816		225,644		226,460
Municipal Loans	—		—		—		—		257,492		257,492
Loans to Individuals	362		66		276		704		269,581		270,285
Total	$	5,849	$	620	$	4,100	$	10,569	$	2,170,564	$	2,181,133

(1) Includes PCI loans measured at fair value at acquisition.

Average recorded investment and interest income on impaired loans

The following table sets forth interest income recognized on impaired loans by class of loans for the periods presented. Average recorded investment of impaired loans is reported on a year-to-date basis (in thousands):

	Three Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,361	$	23	$	1,643	$	9
1-4 Family residential	3,692		14		3,418		21
Other	3,586		13		2,838		22
Commercial loans	15,163		9		1,444		12
Municipal loans	949		10		759		21
Loans to individuals	881		1		2,144		23
Total	$	26,632	$	70	$	12,246	$	108

	Six Months Ended
	June 30, 2015				June 30, 2014
	Average Recorded Investment (1)		Interest Income Recognized (1)		Average Recorded Investment		Interest Income Recognized
Real Estate Loans:
Construction	$	2,382	$	46	$	1,578	$	11
1-4 Family Residential	3,855		29		2,982		65
Other	2,731		25		2,362		75
Commercial Loans	9,070		18		1,446		19
Municipal Loans	842		19		759		21
Loans to Individuals	670		1		2,679		103
Total	$	19,550	$	138	$	11,806	$	294

(1) Excludes PCI loans measured at fair value at acquisition.

Schedule of recorded investment in loans modified

The following tables set forth the recorded balance at June 30, 2015 and 2014 of loans considered to be TDRs that were restructured during the periods presented (dollars in thousands):

	Three Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Commercial Loans	$	300	$	—	$	—	$	300	1
Loans to Individuals	4		—		58		62		7
Total	$	304	$	—	$	58	$	362	8

	Six Months Ended June 30, 2015
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	—	$	262	$	262	2
Other	30		—		—		30		1
Commercial Loans	300		—		762		1,062		2
Loans to Individuals	4		—		84		88		9
Total	$	334	$	—	$	1,108	$	1,442	14

	Three Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
Other	$	—	$	—	$	388	$	388	1
Commercial Loans	60		—		—		60		2
Total	$	60	$	—	$	388	$	448	3

	Six Months Ended June 30, 2014
	Extend Amortization  Period		Interest Rate Reductions		Combination (1)		Total Modifications		Number of Loans
Real Estate Loans:
1-4 Family Residential	$	—	$	284	$	—	$	284	1
Other	—		—		413		413		2
Commercial Loans	313		—		56		369		5
Loans to Individuals	—		15		45		60		4
Total	$	313	$	299	$	514	$	1,126	12

(1) These modifications include an extension of the amortization period and interest rate reduction.

Schedule of Acquired PCI Loans

The following table presents the outstanding principal balance and carrying value for PCI loans for the periods presented (in thousands):

	June 30, 2015		December 31, 2014
Outstanding principal balance	$	30,215	$	32,572
Carrying amount	$	20,291	$	21,346

Schedule of Changes in Accretable Yield for PCI Loans

The following table presents the changes of the accretable yield during the periods for PCI loans (in thousands):

	Three Months Ended			Six Months Ended
	June 30, 2015
Balance at beginning of period	$	1,296		$	1,820
Additions	—			—
Additions due to acquisition	—			—
Accretion	(618		)	(1,142		)
Balance at end of period	$	678		$	678

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Loans and Allowance for Probable Loan Losses - Nonaccrual and Accruing Loans Past Due More Than 90 Days by Class (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1],[2]	$ 21,223	$ 4,096
Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	597	716
1-4 Family Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	1,972	2,017
Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	3,204	675
Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	14,249	416
Municipal Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	249	0
Loans to Individuals
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	[1]	$ 952	$ 272

[1] Excludes PCI loans measured at fair value at acquisition.

[2] Excludes PCI loans measured at fair value at acquisition.

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Securities - Amortized Cost and Estimated Fair Value of Investments in Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Due in one year or less	$ 10,479
Due after one year through five years	26,347
Due after five years through ten years	150,749
Due after ten years	175,047
Total available-for-sale investment securities, amortized cost	362,622
Mortgage-backed Securities and Other Equity Securities:	1,091,789
Total	1,454,411
Available-for-sale Securities, Fair Value, Fiscal Year Maturity [Abstract]
Due in one year or less	10,533
Due after one year through five years	26,786
Due after five years through ten years	150,286
Due after ten years	177,387
Total available-for-sale investment securities	364,992
Mortgage-backed Securities and Other Equity Securities:	1,100,829
Total	1,465,821	$ 1,448,708
Held to Maturity Securities, Carrying Amount [Abstract]
Due in one year or less	1,067
Due after one year through five years	11,205
Due after five years through ten years	42,863
Due after ten years	332,077
Total held-to-maturity investment securities	387,212
Mortgage-backed securities	356,669
Carrying value	743,881	$ 642,319
Held to Maturity Securities, Fair Value [Abstract]
Due in one year or less	1,068
Due after one year through five years	11,481
Due after five years through ten years	42,969
Due after ten years	335,673
Total held-to-maturity investment securities	391,191
Mortgage-backed Securities	362,283
Total	$ 753,474

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net income	$ 11,164	$ 10,457	$ 20,543	$ 18,681
Other comprehensive income:
Net unrealized holding (losses) gains on available for sale securities during the period	(14,915)	8,308	(5,395)	18,319
Change in net unrealized loss on securities transferred to held to maturity	244	278	526	554
Reclassification adjustment for net gain on sale of available for sale securities, included in net income	(105)	(498)	(2,581)	(509)
Amortization of net actuarial loss, included in net periodic benefit cost	614	289	1,145	521
Amortization of prior service credit, included in net periodic benefit cost	(4)	(4)	(8)	(7)
Other comprehensive (loss) income, before tax	(14,166)	8,373	(6,313)	18,878
Income tax benefit (expense) related to other items of comprehensive income	4,959	(2,930)	2,210	(6,607)
Other comprehensive (loss) income, net of tax	(9,207)	5,443	(4,103)	12,271
Comprehensive income	$ 1,957	$ 15,900	$ 16,440	$ 30,952

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Acquisitions Acquisitions

6 Months Ended

Jun. 30, 2015

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Acquisition

On December 17, 2014, we acquired 100% of the outstanding stock of OmniAmerican Bancorp, Inc. and its wholly-owned subsidiary OmniAmerican Bank (collectively, "Omni") headquartered in Fort Worth, Texas. Omni operated 14 banking offices in Fort Worth, Texas and surrounding areas. We acquired Omni to further expand our presence in the growing Fort Worth market. The operations of Omni were merged into ours as of the date of the acquisition.

The Omni acquisition was accounted for using the purchase method of accounting and accordingly, purchased assets, including identifiable intangible assets, and assumed liabilities were recorded at their respective acquisition date fair values.  The purchase price allocation remains preliminary and is subject to final determination and valuation of the fair value of assets acquired and liabilities assumed. Subsequent to filing our Annual Report on Form 10-K for the year ended December 31, 2014, we continued to evaluate the assets and liabilities assumed.  This evaluation resulted in adjustments to goodwill, consisting primarily of a $1.4 million adjustment to the fair value of Visa Class B stock included in other investments on the consolidated balance sheets, not previously recorded. The impact of the adjustments to goodwill, net of deferred tax, is reflected below. For more information concerning the fair value of the assets acquired and liabilities assumed in relation to the acquisition of Omni, see "Note 2 - Acquisition" in our Annual Report on Form 10-K for the year ended December 31, 2014.

The following table reflects the changes in the carrying amount of our goodwill for the six months ended June 30, 2015 (in thousands):

	Goodwill
Balance as of December 31, 2014	$	91,372
Less: measurement period adjustments	(801		)
Balance as of June 30, 2015	$	90,571

In connection with the integration of our policies and operations, certain loans acquired have been reclassified as of December 31, 2014 to be consistent with our current classification methodology, see “Note 6 - Loans and Allowance for Probable Loan Losses” and “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations - Composition of Loans” in this Quarterly Report on Form 10-Q.

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Share-based Incentive Plans - Share-based Incentive Plans Narrative (Details) - 2009 Incentive Plan - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved and available for issuance (in shares)	1,407,103		1,407,103
Nonvested awards outstanding (in shares)	622,484	374,227	622,484	374,227
Share-based compensation expense	$ 294	$ 291	$ 567	$ 577
Income tax benefit related to stock compensation expense	103	102	198	202
Unrecognized compensation expense	4,900	$ 2,500	$ 4,900	$ 2,500
Unrecognized compensation cost, weighted-average period for recognition			3 years 3 months 23 days
Stock compensation issued from available authorized shares (in shares)			12,336	12,404
Nonqualified Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of stock options outstanding	4,100		$ 4,100
Total intrinsic value of exercisable stock options	$ 2,400		2,400
Cash received from exercise of stock options			169	$ 86
Total intrinsic value of stock options exercised			$ 88	$ 50
Nonqualified Stock Options | Three Year Vesting Schedule
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term			10 years
Nonqualified Stock Options | Four Year Vesting Schedule
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term			10 years
Nonqualified Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Nonqualified Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Restricted Stock Units (RSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Restricted Stock Units (RSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years

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Long-term Obligations (Tables)

6 Months Ended

Jun. 30, 2015

Debt Disclosure [Abstract]

Summary of long-term obligation

Long-term Obligations

Long-term obligations are summarized as follows (in thousands):

	June 30, 2015		December 31, 2014
FHLB Advances (1)	$	572,254	$	600,052
Long-term Debt (2)
Southside Statutory Trust III Due 2033 (3)	20,619		20,619
Southside Statutory Trust IV Due 2037 (4)	23,196		23,196
Southside Statutory Trust V Due 2037 (5)	12,887		12,887
Magnolia Trust Company I Due 2035 (6)	3,609		3,609
Total Long-term Debt	60,311		60,311
Total Long-term Obligations	$	632,565	$	660,363

(1) At June 30, 2015, the weighted average cost of these advances was 1.31%.  Long-term FHLB Advances have maturities ranging from July 2016 through July 2028.

(2) This long-term debt consists of trust preferred securities that qualify under the risk-based capital guidelines as Tier 1 capital, subject to certain limitations.

(3) This debt carries an adjustable rate of 3.22175% through September 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 294 basis points.

(4) This debt carries an adjustable rate of 1.57815% through July 29, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 130 basis points.

(5) This debt carries an adjustable rate of 2.53585% through September 14, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 225 basis points.

(6) This debt carries an adjustable rate of 2.082% through August 23, 2015 and adjusts quarterly thereafter at a rate equal to three-month LIBOR plus 180 basis points.

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Securities - Schedule of Debt and Equity Securities Components (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
AVAILABLE FOR SALE
Amortized cost		$ 1,454,411	$ 1,427,993
Gross unrealized gains, in OCI		19,962	22,605
Gross unrealized losses, in OCI		8,552	1,890
Estimated fair value		1,465,821	1,448,708
HELD TO MATURITY
Amortized cost		753,143	653,436
Gross unrealized gains, in OCI		6,508	5,168
Gross unrealized losses, in OCI		15,770	16,285
Carrying value		743,881	642,319
Gross unrealized gains, not in OCI		14,204	20,513
Gross unrealized losses, not in OCI		4,611	1,245
Estimated fair value		753,474	661,587
US Treasury
AVAILABLE FOR SALE
Amortized cost		101,239	14,883
Gross unrealized gains, in OCI		198	30
Gross unrealized losses, in OCI		914	7
Estimated fair value		100,523	14,906
US Government Agency Debentures
AVAILABLE FOR SALE
Amortized cost		4,845	4,835
Gross unrealized gains, in OCI		1	0
Gross unrealized losses, in OCI		0	7
Estimated fair value		4,846	4,828
State and Political Subdivisions
AVAILABLE FOR SALE
Amortized cost		243,446	260,535
Gross unrealized gains, in OCI		5,156	8,055
Gross unrealized losses, in OCI		2,182	906
Estimated fair value		246,420	267,684
HELD TO MATURITY
Amortized cost		391,784	393,525
Gross unrealized gains, in OCI		5,193	5,168
Gross unrealized losses, in OCI		9,765	9,870
Carrying value		387,212	388,823
Gross unrealized gains, not in OCI		6,613	12,181
Gross unrealized losses, not in OCI		2,634	756
Estimated fair value		391,191	400,248
Other Stocks and Bonds
AVAILABLE FOR SALE
Amortized cost		13,092	13,086
Gross unrealized gains, in OCI		111	153
Gross unrealized losses, in OCI		0	0
Estimated fair value		13,203	13,239
Other Equity Securities
AVAILABLE FOR SALE
Amortized cost		6,058	6,061
Gross unrealized gains, in OCI		0	0
Gross unrealized losses, in OCI		31	12
Estimated fair value		6,027	6,049
Residential MBS
AVAILABLE FOR SALE
Amortized cost	[1]	713,576	952,481
Gross unrealized gains, in OCI	[1]	13,622	12,624
Gross unrealized losses, in OCI	[1]	872	807
Estimated fair value	[1]	726,326	964,298
HELD TO MATURITY
Amortized cost	[1]	41,215	52,287
Gross unrealized gains, in OCI	[1]	0	0
Gross unrealized losses, in OCI	[1]	61	70
Carrying value	[1]	41,154	52,217
Gross unrealized gains, not in OCI	[1]	2,602	2,871
Gross unrealized losses, not in OCI	[1]	0	0
Estimated fair value	[1]	43,756	55,088
Commercial MBS
AVAILABLE FOR SALE
Amortized cost	[1]	372,155	176,112
Gross unrealized gains, in OCI	[1]	874	1,743
Gross unrealized losses, in OCI	[1]	4,553	151
Estimated fair value	[1]	368,476	177,704
HELD TO MATURITY
Amortized cost	[1]	320,144	207,624
Gross unrealized gains, in OCI	[1]	1,315	0
Gross unrealized losses, in OCI	[1]	5,944	6,345
Carrying value	[1]	315,515	201,279
Gross unrealized gains, not in OCI	[1]	4,989	5,461
Gross unrealized losses, not in OCI	[1]	1,977	489
Estimated fair value	[1]	$ 318,527	$ 206,251

[1] All mortgage-backed securities issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

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Off-Balance-Sheet Arrangements, Commitments and Contingencies

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Off-Balance-Sheet Arrangements, Commitments and Contingencies

Off-Balance-Sheet Arrangements, Commitments and Contingencies

Financial Instruments with Off-Balance-Sheet Risk. In the normal course of business, we are a party to certain financial instruments, with off-balance-sheet risk, to meet the financing needs of our customers.  These off-balance-sheet instruments include commitments to extend credit and standby letters of credit.  These instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount reflected in the financial statements.  The contract or notional amounts of these instruments reflect the extent of involvement and exposure to credit loss that we have in these particular classes of financial instruments.

Commitments to extend credit are agreements to lend to a customer provided that the terms established in the contract are met.  Commitments generally have fixed expiration dates and may require payment of fees.  Since some commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. Standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. These guarantees are primarily issued to support public and private borrowing arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan commitments to customers.

Financial instruments with off-balance-sheet risk were as follows (in thousands):

	At June 30, 2015		At December 31, 2014
Unused commitments:
Commitments to extend credit	$	431,380	$	373,255
Standby letters of credit	6,950		6,222
Total	$	438,330	$	379,477

We apply the same credit policies in making commitments and standby letters of credit as we do for on-balance-sheet instruments.  We evaluate each customer's creditworthiness on a case-by-case basis.  The amount of collateral obtained, if deemed necessary, upon extension of credit is based on management's credit evaluation of the borrower.  Collateral held varies but may include cash or cash equivalents, negotiable instruments, real estate, accounts receivable, inventory, oil, gas and mineral interests, property, plant, and equipment.

Lease Commitments. We lease certain branch facilities and office equipment under operating leases.  It is expected that certain leases will be renewed, or equipment replaced with new leased equipment, as these leases expire.

Securities. In the normal course of business we buy and sell securities. There were $3.5 million and $6.0 million of unsettled trades to purchase securities at June 30, 2015 and December 31, 2014, respectively. There were no unsettled trades to sell securities as of June 30, 2015. As of December 31, 2014, there were $57.2 million unsettled trades to sell securities.

Deposits. There were no unsettled issuances of brokered CDs at June 30, 2015 or December 31, 2014.

Litigation. We are involved with various litigation in the normal course of business.  Management, after consulting with our legal counsel, believes that any liability resulting from litigation will not have a material effect on our financial position, results of operations or liquidity.