10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

x Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

for the quarterly period ended: March 31, 2013

¨ 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: 000-10661

TriCo Bancshares

(Exact Name of Registrant as Specified in Its Charter)

CALIFORNIA	94-2792841
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification Number)

63 Constitution Drive

Chico, California 95973

(Address of Principal Executive Offices)(Zip Code)

(530) 898-0300

(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.    x  Yes    ¨  No

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).    x  Yes    ¨  No

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

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	¨	Smaller reporting company	¨

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

Indicate the number of shares outstanding for each of the issuer’s classes of common stock, as of the latest practical date:

Common stock, no par value: 16,017,127 shares outstanding as of May 3, 2013

TriCo Bancshares

FORM 10-Q

TABLE OF CONTENTS

	Page
Forward-Looking Statements		1
PART I – FINANCIAL INFORMATION		2
Item 1 – Financial Statements		2
Item  2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations		41
Item 3 – Quantitative and Qualitative Disclosures about Market Risk		60
Item 4 – Controls and Procedures		60
PART II – OTHER INFORMATION		60
Item 1 – Legal Proceedings		60
Item 1A – Risk Factors		60
Item 2 – Unregistered Sales of Equity Securities and Use of Proceeds		60
Item 6 – Exhibits		60
Signatures		62
Exhibits

FORWARD-LOOKING STATEMENTS

This report on Form 10-Q contains forward-looking statements about TriCo Bancshares (the “Company”) that are subject to the protection of the safe harbor provisions contained in the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on the current knowledge and belief of the Company’s management (“Management”) and include information concerning the Company’s possible or assumed future financial condition and results of operations. When you see any of the words “believes”, “expects”, “anticipates”, “estimates”, or similar expressions, it may mean the Company is making forward-looking statements. A number of factors, some of which are beyond the Company’s ability to predict or control, could cause future results to differ materially from those contemplated. The reader is directed to the Company’s annual report on Form 10-K for the year ended December 31, 2012, and Part II, Item 1A of this report for further discussion of factors which could affect the Company’s business and cause actual results to differ materially from those suggested by any forward-looking statement made in this report. Such Form 10-K and this report should be read to put any forward-looking statements in context and to gain a more complete understanding of the risks and uncertainties involved in the Company’s business. Any forward-looking statement may turn out to be wrong and cannot be guaranteed. The Company does not intend to update any forward-looking statement after the date of this report.

1

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

TRICO BANCSHARES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share data; unaudited)

	At March 31, 2013			At December 31, 2012
Assets:
Cash and due from banks	$	70,023		$	81,086
Cash at Federal Reserve and other banks		732,248			667,813
Cash and cash equivalents		802,271			748,899
Securities available-for-sale		144,454			163,027
Restricted equity securities		9,647			9,647
Loans held for sale		7,931			12,053
Loans		1,532,362			1,564,823
Allowance for loan losses		(39,867	)		(42,648	)
Total loans, net		1,492,495			1,522,175
Foreclosed assets, net		6,124			7,498
Premises and equipment, net		29,468			26,985
Cash value of life insurance		51,008			50,582
Accrued interest receivable		7,201			6,636
Goodwill		15,519			15,519
Other intangible assets, net		1,040			1,092
Mortgage servicing rights		4,984			4,552
Indemnification asset		1,807			1,997
Other assets		38,484			38,607
Total assets	$	2,612,433		$	2,609,269
Liabilities and Shareholders’ Equity:
Liabilities:
Deposits:
Noninterest-bearing demand	$	639,420		$	684,833
Interest-bearing		1,646,130			1,604,869
Total deposits		2,285,550			2,289,702
Accrued interest payable		975			1,036
Reserve for unfunded commitments		3,175			3,615
Other liabilities		37,340			35,122
Other borrowings		8,125			9,197
Junior subordinated debt		41,238			41,238
Total liabilities		2,376,403			2,379,910
Commitments and contingencies (Note 18)
Shareholders’ equity:
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding:
16,005,191 at March 31, 2013		85,995
16,000,838 at December 31, 2012					85,561
Retained earnings		148,497			141,639
Accumulated other comprehensive income, net of tax		1,538			2,159
Total shareholders’ equity		236,030			229,359
Total liabilities and shareholders’ equity	$	2,612,433		$	2,609,269

See accompanying notes to unaudited condensed consolidated financial statements.

2

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(In thousands, except per share data; unaudited)

	Three months ended March 31,
	2013			2012
Interest and dividend income:
Loans, including fees	$	24,072		$	24,929
Debt securities:
Taxable		1,131			1,746
Tax exempt		101			108
Dividends		56			13
Interest bearing cash at Federal Reserve and other banks		446			368
Total interest and dividend income		25,806			27,164
Interest expense:
Deposits		925			1,184
Other borrowings		1			606
Junior subordinated debt		311			338
Total interest expense		1,237			2,128
Net interest income		24,569			25,036
(Benefit from) provision for loan losses		(1,108	)		3,996
Net interest income after provision for loan losses		25,677			21,040
Noninterest income:
Service charges and fees		5,929			5,952
Gain on sale of loans		2,294			1,650
Commissions on sale of non-deposit investment products		761			819
Increase in cash value of life insurance		426			450
Change in indemnification asset		(101	)		(353	)
Gain (loss) on sale of foreclosed assets		551			(358	)
Other		358			105
Total noninterest income		10,218			8,265
Noninterest expense:
Salaries and related benefits		12,961			12,762
Other		8,640			10,153
Total noninterest expense		21,601			22,915
Income before income taxes		14,294			6,390
Provision for income taxes		5,817			2,459
Net income	$	8,477		$	3,931
Earnings per share:
Basic	$	0.53		$	0.25
Diluted	$	0.53		$	0.25

See accompanying notes to unaudited condensed consolidated financial statements.

3

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In thousands; unaudited)

	Three months ended March 31,
	2013			2012
Net income	$	8,477		$	3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period		(621	)		(153	)
Other comprehensive loss		(621	)		(153	)
Comprehensive income	$	7,856		$	3,778

See accompanying notes to unaudited condensed consolidated financial statements.

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

(In thousands, except share and per share data; unaudited)

	Shares of Common Stock			Common Stock			Retained Earnings			Accumulated Other Comprehensive Income			Total
Balance at December 31, 2011		15,978,958		$	84,079		$	128,551		$	3,811		$	216,441
Net income								3,931						3,931
Other comprehensive loss											(153	)		(153	)
Stock option vesting					257									257
Dividends paid ($ 0.09 per share)								(1,438	)					(1,438	)
Balance at March 31, 2012		15,978,958		$	84,336		$	131,044		$	3,658		$	219,038
Balance at December 31, 2012		16,000,838		$	85,561		$	141,639		$	2,159		$	229,359
Net income								8,477						8,477
Other comprehensive loss											(621	)		(621	)
Stock option vesting					236									236
Stock options exercised		20,000			262									262
Tax benefit of stock options exercised					20									20
Repurchase of common stock		(15,647	)		(84	)		(178	)					(262	)
Dividends paid ($ 0.09 per share)								(1,441	)					(1,441	)
Balance at March 31, 2013		16,005,191		$	85,995		$	148,497		$	1,538		$	236,030

See accompanying notes to unaudited condensed consolidated financial statements.

4

TRICO BANCSHARES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands; unaudited)

	For the three months ended March 31,
	2013			2012
Operating activities:
Net income	$	8,477		$	3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of premises and equipment, and amortization		982			1,018
Amortization of intangible assets		52			53
(Benefit from) provision for loan losses		(1,108	)		3,996
Amortization of investment securities premium, net		214			329
Originations of loans for resale		(53,415	)		(58,041	)
Proceeds from sale of loans originated for resale		59,338			63,491
Gain on sale of loans		(2,294	)		(1,650	)
Change in market value of mortgage servicing rights		61			369
Provision for losses on foreclosed assets		27			83
(Gain) loss on sale of foreclosed assets		(551	)		358
Loss on disposal of fixed assets		16			235
Increase in cash value of life insurance		(426	)		(450	)
Life insurance proceeds		706			2,811
Stock option vesting expense		236			257
Stock option tax benefits		(20	)		—
Change in:
Reserve for unfunded commitments		(440	)		(190	)
Interest receivable		(565	)		217
Interest payable		(61	)		(87	)
Other assets and liabilities, net		2,056			1,223
Net cash from operating activities		13,285			17,953
Investing activities:
Proceeds from maturities of securities available-for-sale		17,286			20,060
Purchases of securities available-for-sale		—			(3,588	)
Net redemption of restricted equity securities		—			102
Loan principal decrease, net		25,051			33,795
Proceeds from sale of foreclosed assets		7,635			3,021
Improvements of foreclosed assets		—			(225	)
Proceeds from sale of premises and equipment		1			—
Purchases of premises and equipment		(3,241	)		(938	)
Net cash from investing activities		46,732			52,227
Financing activities:
Net decrease in deposits		(4,152	)		(20,790	)
Net change in short-term other borrowings		(1,072	)		(3,467	)
Stock option excess tax benefits		20			—
Dividends paid		(1,441	)		(1,438	)
Net cash used for financing activities		(6,645	)		(25,695	)
Net change in cash and cash equivalents		53,372			44,485
Cash and cash equivalents at beginning of period		748,899			637,275
Cash and cash equivalents at end of period	$	802,271		$	681,760
Supplemental disclosure of noncash activities:
Loans transferred to other real estate owned	$	5,737		$	1,694
Unrealized net loss on securities available for sale	$	(1,073	)	$	(265	)
Supplemental disclosure of cash flow activity:
Cash paid for interest expense	$	1,298		$	2,215
Cash paid for income taxes	$	2,600			—

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

5

NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Note 1 – Summary of Significant Accounting Policies

Description of Business

TriCo Bancshares is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Bank is a state-chartered financial institution that is engaged in the general commercial banking business in the California counties of Butte, Contra Costa, Del Norte, Fresno, Glenn, Kern, Lake, Lassen, Madera, Mendocino, Merced, Napa, Nevada, Placer, Sacramento, Shasta, Siskiyou, Stanislaus, Sutter, Tehama, Tulare, Yolo and Yuba. Tri Counties Bank currently operates from 41 traditional branches and 25 in-store branches. The Company also formed two subsidiary business trusts, TriCo Capital Trust I and TriCo Capital Trust II (collectively, the Trusts), to issue trust preferred securities.

Basis of Presentation

The following unaudited condensed financial statements of the Company have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and note disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted pursuant to those rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. In the opinion of Management, all adjustments, consisting solely of normal recurring adjustments, considered necessary for a fair presentation of results for the interim periods presented have been included. These interim condensed consolidated financial statements should be read in conjunction with the financial statements and related notes contained in the Company’s 2012 Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 18, 2013.

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned financial subsidiary, Tri Counties Bank. All significant intercompany balances and transactions have been eliminated. TriCo Capital Trust I and TriCo Capital Trust II, which were formed solely for the purpose of issuing trust preferred securities, are unconsolidated subsidiaries as the Company is not the primary beneficiary of the trusts and they are not considered variable interest entities. Operating results for the three months ended March 31, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. Certain amounts in the consolidated financial statements for the year ended December 31, 2012 and for the three months ended March 31, 2012 may have been reclassified to conform to the presentation of the condensed consolidated financial statements in 2013.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, the Company evaluates its estimates, including those related to the adequacy of the allowance for loan losses, investments, intangible assets, income taxes and contingencies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. The allowance for loan losses, indemnification asset, foreclosed assets, goodwill and other intangible assets, income taxes, fair value of assets acquired and liabilities assumed in business combinations, the valuation of securities available-for-sale, and the valuation of mortgage servicing rights are the only accounting estimates that materially affect the Company’s consolidated financial statements.

As described in Note 2, the Bank assumed the banking operations of two failed financial institutions from the FDIC under whole bank purchase agreements. The acquired assets and assumed liabilities were measured at estimated fair value values under the acquisition method of accounting. The Company made significant estimates and exercised significant judgment in accounting for the acquisitions. The Company determined loan fair values based on loan file reviews, loan risk ratings, appraised collateral values, expected cash flows and historical loss factors. Foreclosed assets were primarily valued based on appraised values of the repossessed loan collateral. An identifiable intangible was also recorded representing the fair value of the core deposit customer base based on an evaluation of the cost of such deposits relative to alternative funding sources. The fair value of time deposits and borrowings were determined based on the present value of estimated future cash flows using current rates as of the acquisition date.

Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout the northern San Joaquin Valley, the Sacramento Valley and northern mountain regions of California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Cash and Cash Equivalents

For purposes of the consolidated statements of cash flows, cash and cash equivalents include cash on hand, amounts due from banks, and federal funds sold. Net cash flows are reported for loan and deposit transactions and other borrowings.

6

Investment Securities

The Company classifies its debt and marketable equity securities into one of three categories: trading, available-for-sale or held-to-maturity. Trading securities are bought and held principally for the purpose of selling in the near term. Held-to-maturity securities are those securities which the Company has the ability and intent to hold until maturity. All other securities not included in trading or held-to-maturity are classified as available-for-sale. During the three months ended March 31, 2013, and the year ended December 31, 2012, the Company did not have any securities classified as either held-to-maturity or trading. Available-for-sale securities are recorded at fair value. Unrealized gains and losses, net of the related tax effect, on available-for-sale securities are reported as a separate component of other accumulated comprehensive income in shareholders’ equity until realized. Premiums and discounts are amortized or accreted over the life of the related investment security as an adjustment to yield using the effective interest method. Dividend and interest income are recognized when earned. Realized gains and losses are derived from the amortized cost of the security sold.

The Company assesses other-than-temporary impairment (“OTTI”) based on whether it intends to sell a security or if it is likely that the Company would be required to sell the security before recovery of the amortized cost basis of the investment, which may be maturity. For debt securities, if we intend to sell the security or it is likely that we will be required to sell the security before recovering its cost basis, the entire impairment loss would be recognized in earnings as an OTTI. If we do not intend to sell the security and it is not likely that we will be required to sell the security but we do not expect to recover the entire amortized cost basis of the security, only the portion of the impairment loss representing credit losses would be recognized in earnings. The credit loss on a security is measured as the difference between the amortized cost basis and the present value of the cash flows expected to be collected. Projected cash flows are discounted by the original or current effective interest rate depending on the nature of the security being measured for potential OTTI. The remaining impairment related to all other factors, the difference between the present value of the cash flows expected to be collected and fair value, is recognized as a charge to other comprehensive income (“OCI”). Impairment losses related to all other factors are presented as separate categories within OCI. The accretion of the amount recorded in OCI increases the carrying value of the investment and does not affect earnings. If there is an indication of additional credit losses the security is re-evaluated according to the procedures described above. No OTTI losses were recognized during the three months ended March 31, 2013, and the year ended December 31, 2012.

Restricted Equity Securities

Restricted equity securities represent the Company’s investment in the stock of the Federal Home Loan Bank of San Francisco (“FHLB”) and are carried at par value, which reasonably approximates its fair value. While technically these are considered equity securities, there is no market for the FHLB stock. Therefore, the shares are considered as restricted investment securities. Management periodically evaluates FHLB stock for other-than-temporary impairment. Management’s determination of whether these investments are impaired is based on its assessment of the ultimate recoverability of cost rather than by recognizing temporary declines in value. The determination of whether a decline affects the ultimate recoverability of cost is influenced by criteria such as (1) the significance of any decline in net assets of the FHLB as compared to the capital stock amount for the FHLB and the length of time this situation has persisted, (2) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLB, (3) the impact of legislative and regulatory changes on institutions and, accordingly, the customer base of the FHLB, and (4) the liquidity position of the FHLB.

As a member of the FHLB system, the Company is required to maintain a minimum level of investment in FHLB stock based on specific percentages of its outstanding mortgages, total assets, or FHLB advances. The Company may request redemption at par value of any stock in excess of the minimum required investment. Stock redemptions are at the discretion of the FHLB.

Loans Held for Sale

Loans originated and intended for sale in the secondary market are carried at the lower of aggregate cost or fair value, as determined by aggregate outstanding commitments from investors of current investor yield requirements. Net unrealized losses are recognized through a valuation allowance by charges to noninterest income.

Mortgage loans held for sale are generally sold with the mortgage servicing rights retained by the Company. Gains or losses on the sale of loans that are held for sale are recognized at the time of the sale and determined by the difference between net sale proceeds and the net book value of the loans less the estimated fair value of any retained mortgage servicing rights.

Loans and Allowance for Loan Losses

Loans originated by the Company, i.e., not purchased or acquired in a business combination, are referred to as originated loans. Originated loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at the principal amount outstanding, net of deferred loan fees and costs. Loan origination and commitment fees and certain direct loan origination costs are deferred, and the net amount is amortized as an adjustment of the related loan’s yield over the actual life of the loan. Originated loans on which the accrual of interest has been discontinued are designated as nonaccrual loans.

Originated loans are placed in nonaccrual status when reasonable doubt exists as to the full, timely collection of interest or principal, or a loan becomes contractually past due by 90 days or more with respect to interest or principal and is not well secured and in the process of collection. When an originated loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed. Income on such loans is then recognized only to the extent that cash is received and where the future collection of principal is probable. Interest accruals are resumed on such loans only when they are brought fully current with respect to interest and principal and when, in the judgment of Management, the loan is estimated to be fully collectible as to both principal and interest.

7

An allowance for loan losses for originated loans is established through a provision for loan losses charged to expense. The allowance is maintained at a level which, in management’s judgment, is adequate to absorb probable incurred credit losses inherent in the loan portfolio as of the balance sheet date. Originated loans and deposit related overdrafts are charged against the allowance for loan losses when Management believes that the collectability of the principal is unlikely or, with respect to consumer installment loans, according to an established delinquency schedule. The allowance is an amount that Management believes will be adequate to absorb probable losses inherent in existing loans and leases, based on evaluations of the collectability, impairment and prior loss experience of loans and leases. The evaluations take into consideration such factors as changes in the nature and size of the portfolio, overall portfolio quality, loan concentrations, specific problem loans, and current economic conditions that may affect the borrower’s ability to pay. The Company defines an originated loan as impaired when it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired originated loans are measured based on the present value of expected future cash flows discounted at the loan’s original effective interest rate. As a practical expedient, impairment may be measured based on the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. When the measure of the impaired loan is less than the recorded investment in the loan, the impairment is recorded through a valuation allowance.

In situations related to originated loans where, for economic or legal reasons related to a borrower’s financial difficulties, the Company grants a concession for other than an insignificant period of time to the borrower that the Company would not otherwise consider, the related loan is classified as a troubled debt restructuring (TDR). The Company strives to identify borrowers in financial difficulty early and work with them to modify to more affordable terms before their loan reaches nonaccrual status. These modified terms may include rate reductions, principal forgiveness, payment forbearance and other actions intended to minimize the economic loss and to avoid foreclosure or repossession of the collateral. In cases where the Company grants the borrower new terms that result in the loan being classified as a TDR, the Company measures any impairment on the restructuring as noted above for impaired loans. TDR loans are classified as impaired until they are fully paid off or charged off. Loans that are in nonaccrual status at the time they become TDR loans, remain in nonaccrual status until the borrower demonstrates a sustained period of performance which the Company generally believes to be six consecutive months of payments, or equivalent. Otherwise, TDR loans are subject to the same nonaccrual and charge-off policies as noted above with respect to their restructured principal balance.

Credit risk is inherent in the business of lending. As a result, the Company maintains an allowance for loan losses to absorb losses inherent in the Company’s originated loan portfolio. This is maintained through periodic charges to earnings. These charges are included in the Consolidated Statements of Income as provision for loan losses. All specifically identifiable and quantifiable losses are immediately charged off against the allowance. However, for a variety of reasons, not all losses are immediately known to the Company and, of those that are known, the full extent of the loss may not be quantifiable at that point in time. The balance of the Company’s allowance for originated loan losses is meant to be an estimate of these unknown but probable losses inherent in the portfolio.

The Company formally assesses the adequacy of the allowance for originated loan losses on a quarterly basis. Determination of the adequacy is based on ongoing assessments of the probable risk in the outstanding originated loan portfolio, and to a lesser extent the Company’s originated loan commitments. These assessments include the periodic re-grading of credits based on changes in their individual credit characteristics including delinquency, seasoning, recent financial performance of the borrower, economic factors, changes in the interest rate environment, growth of the portfolio as a whole or by segment, and other factors as warranted. Loans are initially graded when originated. They are re-graded as they are renewed, when there is a new loan to the same borrower, when identified facts demonstrate heightened risk of nonpayment, or if they become delinquent. Re-grading of larger problem loans occurs at least quarterly. Confirmation of the quality of the grading process is obtained by independent credit reviews conducted by consultants specifically hired for this purpose and by various bank regulatory agencies.

The Company’s method for assessing the appropriateness of the allowance for originated loan losses includes specific allowances for impaired originated loans and leases, formula allowance factors for pools of credits, and allowances for changing environmental factors (e.g., interest rates, growth, economic conditions, etc.). Allowance factors for loan pools were based on historical loss experience by product type and prior risk rating.

During the three months ended March 31, 2013, the Company changed the method it uses to estimate net sale proceeds from real estate collateral sales when calculating the allowance for loan losses associated with impaired real estate collateral dependent loans. Previously, the Company used the greater of fifteen percent or actual estimated selling costs. Currently, the Company uses the actual estimated selling costs, and an adjustment to appraised value based on the age of the appraisal. These changes are intended to more accurately reflect the estimated net sale proceeds from the sale of impaired collateral dependent real estate loans. This change in methodology resulted in the allowance for loan losses as of March 31, 2013 being $494,000 more than it would have been without this change in methodology.

Loans purchased or acquired in a business combination are referred to as acquired loans. Acquired loans are valued as of the acquisition date in accordance with Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) Topic 805, Business Combinations. Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are referred to as purchased credit impaired (PCI) loans. PCI loans are accounted for under FASB ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. Under FASB ASC Topic 805 and FASB ASC Topic 310-30, PCI loans are recorded at fair value at acquisition date, factoring in credit losses expected to be incurred over the life of the loan. Accordingly, an allowance for loan losses is not carried over or recorded as of the acquisition date. Fair value is defined as the present value of the future estimated principal and interest payments of the loan, with the discount rate used in the present value calculation representing the estimated effective yield of the loan. Default rates, loss severity, and prepayment speed assumptions are periodically

8

reassessed and our estimate of future payments is adjusted accordingly. The difference between contractual future payments and estimated future payments is referred to as the nonaccretable difference. The difference between estimated future payments and the present value of the estimated future payments is referred to as the accretable yield. The accretable yield represents the amount that is expected to be recorded as interest income over the remaining life of the loan. If after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be more than originally estimated, an increase in the discount rate (effective yield) would be made such that the newly increased accretable yield would be recognized, on a level yield basis, over the remaining estimated life of the loan. If, after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be less than previously estimated, the discount rate would first be reduced until the present value of the reduced cash flow estimate equals the previous present value however, the discount rate may not be lowered below its original level at acquisition. If the discount rate has been lowered to its original level and the present value has not been sufficiently lowered, an allowance for loan loss would be established through a provision for loan losses charged to expense to decrease the present value to the required level. If the estimated cash flows improve after an allowance has been established for a loan, the allowance may be partially or fully reversed depending on the improvement in the estimated cash flows. Only after the allowance has been fully reversed may the discount rate be increased. PCI loans are put on nonaccrual status when cash flows cannot be reasonably estimated. PCI loans on nonaccrual status are accounted for using the cost recovery method or cash basis method of income recognition. PCI loans are charged off when evidence suggests cash flows are not recoverable. Foreclosed assets from PCI loans are recorded in foreclosed assets at fair value with the fair value at time of foreclosure representing cash flow from the loan. ASC 310-30 allows PCI loans with similar risk characteristics and acquisition time frame to be “pooled” and have their cash flows aggregated as if they were one loan. The Company elected to use the “pooled” method of ASC 310-30 for PCI – other loans in the acquisition of certain assets and liabilities of Granite Community Bank (“Granite”) and Citizens Bank of Northern California (“Citizens”).

Acquired loans that are not PCI loans are referred to as purchased not credit impaired (PNCI) loans. PNCI loans are accounted for under FASB ASC Topic 310-20, Receivables – Nonrefundable Fees and Other Costs, in which interest income is accrued on a level-yield basis for performing loans. For income recognition purposes, this method assumes that all contractual cash flows will be collected, and no allowance for loan losses is established at the time of acquistion. Post-acquisition date, an allowance for loan losses may need to be established for acquired loans through a provision charged to earnings for credit losses incurred subsequent to acquisition. Under ASC 310-20, the loss would be measured based on the probable shortfall in relation to the contractual note requirements, consistent with our allowance for loan loss policy for similar loans.

When referring to PNCI and PCI loans we will use the terms “nonaccretable difference”, “accretable yield”, or “purchase discount”. Nonaccretable difference is the difference between undiscounted contractual cash flows due and undiscounted cash flows we expect to collect, or put another way, it is the undiscounted contractual cash flows we do not expect to collect. Accretable yield is the difference between undiscounted cash flows we expect to collect and the value at which we have recorded the loan on our financial statements. On the date of acquisition, all purchased loans are recorded on our consolidated financial statements at estimated fair value. Purchase discount is the difference between the estimated fair value of loans on the date of acquisition and the principal amount owed by the borrower, net of charge offs, on the date of acquisition. We may also refer to “discounts to principal balance of loans owed, net of charge-offs”. Discounts to principal balance of loans owed, net of charge-offs is the difference between principal balance of loans owed, net of charge-offs, and loans as recorded on our financial statements. Discounts to principal balance of loans owed, net of charge-offs arise from purchase discounts, and equal the purchase discount on the acquisition date.

Loans are also categorized as “covered” or “noncovered”. Covered loans refer to loans covered by a Federal Deposit Insurance Corporation (“FDIC”) loss sharing agreement. Noncovered loans refer to loans not covered by a FDIC loss sharing agreement.

Foreclosed Assets

Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value less estimated costs to sell at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense. Gain or loss on sale of foreclosed assets is included in noninterest income. Foreclosed assets that are not subject to a FDIC loss-share agreement are referred to as noncovered foreclosed assets.

Foreclosed assets acquired through FDIC-assisted acquisitions that are subject to a FDIC loss-share agreement, and all assets acquired via foreclosure of covered loans are referred to as covered foreclosed assets. Covered foreclosed assets are reported exclusive of expected reimbursement cash flows from the FDIC. Foreclosed covered loan collateral is transferred into covered foreclosed assets at the loan’s carrying value, inclusive of the acquisition date fair value discount.

Covered foreclosed assets are initially recorded at estimated fair value less estimated costs to sell on the acquisition date based on similar market comparable valuations less estimated selling costs. Any subsequent valuation adjustments due to declines in fair value will be charged to noninterest expense, and will be mostly offset by noninterest income representing the corresponding increase to the FDIC indemnification asset for the offsetting loss reimbursement amount. Any recoveries of previous valuation adjustments will be credited to noninterest expense with a corresponding charge to noninterest income for the portion of the recovery that is due to the FDIC.

9

Premises and Equipment

Land is carried at cost. Land improvements, buildings and equipment, including those acquired under capital lease, are stated at cost less accumulated depreciation and amortization. Depreciation and amortization expenses are computed using the straight-line method over the estimated useful lives of the related assets or lease terms. Asset lives range from 3-10 years for furniture and equipment and 15-40 years for land improvements and buildings.

Goodwill and Other Intangible Assets

Goodwill represents the excess of costs over fair value of net assets of businesses acquired. Goodwill and other intangible assets acquired in a purchase business combination and determined to have an indefinite useful life are not amortized, but instead tested for impairment at least annually. Intangible assets with estimable useful lives are amortized over their respective estimated useful lives to their estimated residual values, and reviewed for impairment.

The Company has an identifiable intangible asset consisting of core deposit intangibles (CDI). CDI are amortized over their respective estimated useful lives, and reviewed for impairment.

Impairment of Long-Lived Assets and Goodwill

Long-lived assets, such as premises and equipment, and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposed group classified as held for sale would be presented separately in the appropriate asset and liability sections of the consolidated balance sheet.

As of December 31 of each year, goodwill is tested for impairment, and is tested for impairment more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount exceeds the asset’s fair value. This determination is made at the reporting unit level. The Company may choose to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then goodwill is deemed not to be impaired. However, if the Company concludes otherwise, or if the Company elected not to first assess qualitative factors, then the Company performs the first step of a two-step impairment test by calculating the fair value of the reporting unit and comparing the fair value with the carrying amount of the reporting unit. Second, if the carrying amount of the reporting unit exceeds its fair value, an impairment loss is recognized for any excess of the carrying amount of the reporting unit’s goodwill over the implied fair value of that goodwill. The implied fair value of goodwill is determined by allocating the fair value of the reporting unit in a manner similar to a purchase price allocation. The residual fair value after this allocation is the implied fair value of the reporting unit goodwill. Currently, and historically, the Company is comprised of only one reporting unit that operates within the business segment it has identified as “community banking”. Goodwill was not impaired as of December 31, 2012 or 2011 because the fair value of the reporting unit exceeded its carrying value.

Mortgage Servicing Rights

Mortgage servicing rights (MSR) represent the Company’s right to a future stream of cash flows based upon the contractual servicing fee associated with servicing mortgage loans. Our MSR arise from residential mortgage loans that we originate and sell, but retain the right to service the loans. The net gain from the retention of the servicing right is included in gain on sale of loans in noninterest income when the loan is sold. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model incorporates assumptions that market participants would use in estimating future net servicing income, such as the cost to service, the discount rate, the custodial earnings rate, an inflation rate, ancillary income, prepayment speeds and default rates and losses. Servicing fees are recorded in noninterest income when earned.

We account for MSR at fair value. The determination of fair value of our MSR requires management judgment because they are not actively traded. The determination of fair value for MSR requires valuation processes which combine the use of discounted cash flow models and extensive analysis of current market data to arrive at an estimate of fair value. The cash flow and prepayment assumptions used in our discounted cash flow model are based on empirical data drawn from the historical performance of our MSR, which we believe are consistent with assumptions used by market participants valuing similar MSR, and from data obtained on the performance of similar MSR. The key assumptions used in the valuation of MSR include mortgage prepayment speeds and the discount rate. These variables can, and generally will, change from quarter to quarter as market conditions and projected interest rates change. The key risks inherent with MSR are prepayment speed and changes in interest rates. The Company uses an independent third party to determine fair value of MSR.

Indemnification Asset

The Company accounts for amounts receivable under loss-share agreements with the FDIC as indemnification assets in accordance with FASB ASC Topic 805, Business Combinations. FDIC indemnification assets are initially recorded at fair value, based on the discounted value of expected future cash flows under the loss-share agreements. The difference between the fair value and the undiscounted cash flows the Company expects to collect from the FDIC will be accreted into noninterest income over the life of the FDIC indemnification asset.

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FDIC indemnification assets are reviewed quarterly and adjusted for any changes in expected cash flows based on recent performance and expectations for future performance of the covered portfolios. These adjustments are measured on the same basis as the related covered loans and covered other real estate owned. Any increases in cash flow of the covered assets over those expected will reduce the FDIC indemnification asset and any decreases in cash flow of the covered assets under those expected will increase the FDIC indemnification asset. Increases and decreases to the FDIC indemnification asset are recorded as adjustments to noninterest income.

Reserve for Unfunded Commitments

The reserve for unfunded commitments is established through a provision for losses – unfunded commitments charged to noninterest expense. The reserve for unfunded commitments is an amount that Management believes will be adequate to absorb probable losses inherent in existing commitments, including unused portions of revolving lines of credits and other loans, standby letters of credits, and unused deposit account overdraft privilege. The reserve for unfunded commitments is based on evaluations of the collectability, and prior loss experience of unfunded commitments. The evaluations take into consideration such factors as changes in the nature and size of the loan portfolio, overall loan portfolio quality, loan concentrations, specific problem loans and related unfunded commitments, and current economic conditions that may affect the borrower’s or depositor’s ability to pay.

Income Taxes

The Company’s accounting for income taxes is based on an asset and liability approach. The Company recognizes the amount of taxes payable or refundable for the current year, and deferred tax assets and liabilities for the future tax consequences that have been recognized in its financial statements or tax returns. The measurement of tax assets and liabilities is based on the provisions of enacted tax laws. A valuation allowance, if needed, reduces deferred tax assets to the expected amount most likely to be realized. Realization of deferred tax assets is dependent upon the generation of a sufficient level of future taxable income and recoverable taxes paid in prior years. Although realization is not assured, management believes it is more likely than not that all of the deferred tax assets will be realized. Interest and/or penalties related to income taxes are reported as a component of noninterest income.

Off-Balance Sheet Credit Related Financial Instruments

In the ordinary course of business, the Company has entered into commitments to extend credit, including commitments under credit card arrangements, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded when they are funded.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s loans, the Company has defined northern California as that area of California north of, and including, Stockton; central California as that area of the state south of Stockton, to and including, Bakersfield; and southern California as that area of the state south of Bakersfield.

Reclassifications

Certain amounts reported in previous consolidated financial statements have been reclassified to conform to the presentation in this report. These reclassifications did not affect previously reported net income or total shareholders’ equity.

Recent Accounting Pronouncements

FASB issued ASU No. 2012-06, Business Combinations (Topic 805): Subsequent Accounting for an Indemnification Asset Recognized at the Acquisition Date as a Result of a Government-Assisted Acquisition of a Financial Institution. ASU 2012-06 requires that when a reporting entity recognizes an indemnification asset (in accordance with Subtopic 805-20) as a result of a government-assisted acquisition of a financial institution and subsequently a change in the cash flows expected to be collected on the indemnification asset occurs (as a result of a change in cash flows expected to be collected on the assets subject to indemnification), the reporting entity should subsequently account for the change in the measurement of the indemnification asset on the same basis as the change in the assets subject to indemnification. Any amortization of changes in value should be limited to the contractual term of the indemnification agreement (that is, the lesser of the term of the indemnification agreement and the remaining life of the indemnified assets). The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

FASB issued ASU No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. ASU 2013-02 amends recent guidance related to the reporting of comprehensive income to enhance the reporting of reclassifications out of accumulated other comprehensive income. The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

Note 2—Business Combinations

On September 23, 2011, the California Department of Financial Institutions closed Citizens Bank of Northern California (“Citizens”), Nevada City, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Citizens from the FDIC under a whole bank purchase and assumption agreement without loss sharing.

On May 28, 2010, the Office of the Comptroller of the Currency closed Granite Community Bank (“Granite”), Granite Bay, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Granite from the FDIC under a whole bank purchase and assumption agreement with loss sharing. Under the terms of the loss sharing agreement, the FDIC will cover a substantial portion of any future losses on loans, related unfunded loan commitments, other real estate owned (OREO)/foreclosed assets and accrued interest on loans for up to 90 days. The FDIC will absorb 80% of losses and share in 80% of loss recoveries on the covered assets acquired from Granite. The loss sharing arrangements for non-single family residential and single family residential loans are in effect for 5 years and 10 years, respectively, and the loss recovery provisions are in effect for 8 years and 10 years, respectively, from the acquisition date.

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Note 3—Investment Securities

The amortized cost and estimated fair values of investments in debt and equity securities are summarized in the following tables:

	March 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	126,912	$	7,052		—	$	133,964
Obligations of states and political subdivisions		8,315		263		—		8,578
Corporate debt securities		1,866		46		—		1,912
Total securities available-for-sale	$	137,093	$	7,361		—	$	144,454
	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	143,633	$	8,068		—	$	151,701
Obligations of states and political subdivisions		9,098		323		—		9,421
Corporate debt securities		1,862		43		—		1,905
Total securities available-for-sale	$	154,593	$	8,434		—	$	163,027

No investment securities were sold during the three months ended March 31, 2013 or the year ended December 31, 2012. Investment securities with an aggregate carrying value of $67,078,000 and $66,911,000 at March 31, 2013 and December 31, 2012, respectively, were pledged as collateral for specific borrowings, lines of credit and local agency deposits.

The amortized cost and estimated fair value of debt securities at March 31, 2013 by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. At March 31, 2013, obligations of U.S. government corporations and agencies with a cost basis totaling $126,912,000 consist almost entirely of mortgage-backed securities whose contractual maturity, or principal repayment, will follow the repayment of the underlying mortgages. For purposes of the following table, the entire outstanding balance of these mortgage-backed securities issued by U.S. government corporations and agencies is categorized based on final maturity date. At March 31, 2013, the Company estimates the average remaining life of these mortgage-backed securities issued by U.S. government corporations and agencies to be approximately 3.5 years. Average remaining life is defined as the time span after which the principal balance has been reduced by half.

	Amortized Cost		Estimated Fair Value
Investment Securities	(in thousands)
Due in one year	$	2,692	$	2,766
Due after one year through five years		4,637		4,872
Due after five years through ten years		43,900		45,569
Due after ten years		85,864		91,247
Totals	$	137,093	$	144,454

At March 31, 2013 and December 31, 2012, the Company had no investment securities with gross unrealized losses.

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Note 4—Loans

A summary of loan balances follows (in thousands):

	March 31, 2013
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	125,875		$	5,075			—		$	5,010		$	135,960
Commercial		772,296			69,982			—			32,011			874,289
Total mortgage loan on real estate		898,171			75,057			—			37,021			1,010,249
Consumer:
Home equity lines of credit		303,638			16,341			7,413			5,652			333,044
Home equity loans		12,533			347			48			155			13,083
Auto Indirect		2,821			—			—			—			2,821
Other		24,826			2,264			—			25			27,115
Total consumer loans		343,818			18,952			7,461			5,832			376,063
Commercial		106,275			779			36			8,393			115,483
Construction:
Residential		14,498			—			—			5,023			19,521
Commercial		9,909			—			—			1,137			11,046
Total construction		24,407			—			—			6,160			30,567
Total loans, net of deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Total principal balance of loans owed, net of charge-offs	$	1,375,615		$	107,268		$	18,783		$	71,426		$	1,573,092
Unamortized net deferred loan fees		(2,944	)		—			—			—			(2,944	)
Discounts to principal balance of loans owed, net of charge-offs		—			(12,480	)		(11,286	)		(14,020	)		(37,786	)
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Noncovered loans	$	1,372,671		$	94,788		$	7,497		$	17,614		$	1,492,570
Covered loans		—			—			—			39,792			39,792
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Allowance for loan losses	$	32,698		$	2,867		$	1,039		$	3,263		$	39,867

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Note 4—Loans (continued)

A summary of loan balances follows (in thousands):

	December 31, 2012
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	121,255		$	5,413			—		$	5,016		$	131,684
Commercial		775,124			72,090		$	1,289			29,943			878,446
Total mortgage loan on real estate		896,379			77,503			1,289			34,959			1,010,130
Consumer:
Home equity lines of credit		311,671			16,788			7,612			5,954			342,025
Home equity loans		13,011			342			49			155			13,557
Auto Indirect		3,816			—			—			—			3,816
Other		24,263			2,418			—			32			26,713
Total consumer loans		352,761			19,548			7,661			6,141			386,111
Commercial		125,122			869			22			9,515			135,528
Construction:
Residential		11,877			—			—			6,582			18,459
Commercial		11,196			—			—			3,399			14,595
Total construction		23,073			—			—			9,981			33,054
Total loans, net of deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Total principal balance of loans owed, net of charge-offs	$	1,400,147		$	111,286		$	20,621		$	75,277		$	1,607,331
Unamortized net deferred loan fees		(2,812	)		—			—			—			(2,812	)
Discounts to principal balance of loans owed, net of charge-offs		—			(13,366	)		(11,649	)		(14,681	)		(39,696	)
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Noncovered loans	$	1,397,335		$	97,920		$	8,972		$	18,708		$	1,522,935
Covered loans		—			—			—			41,888			41,888
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Allowance for loan losses	$	(35,769	)	$	(1,969	)	$	(1,054	)	$	(3,856	)	$	(42,648	)

The following is a summary of the change in accretable yield for PCI – other loans during the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Change in accretable yield:
Balance at beginning of period	$	22,337		$	25,145
Accretion to interest income		(1,623	)		(1,959	)
Reclassification (to) from nonaccretable difference		(23	)		1,429
Balance at end of period	$	20,691		$	24,615

Throughout these consolidated financial statements, and in particular in this Note 4 and Note 5, when we refer to “Loans” or “Allowance for loan losses” we mean all categories of loans, including Originated, PNCI, PCI – cash basis, and PCI—other. When we are not referring to all categories of loans, we will indicate which we are referring to – Originated, PNCI, PCI – cash basis, or PCI—other.

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Note 5—Allowance for Loan Losses

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses – As of and three months ended March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Charge-offs		(7	)		(803	)		(766	)		(26	)		(25	)		(273	)		(790	)		(20	)		(61	)		(2,771	)
Recoveries		—			353			290			9			85			224			70			61			6			1,098
(Benefit) provision		(173	)		1,078			(1,568	)		(1	)		(155	)		(84	)		252			(105	)		(352	)		(1,108	)
Ending balance	$	3,343		$	9,410		$	19,323		$	1,137		$	148		$	563		$	4,235		$	1,336		$	372		$	39,867
Ending balance:
Individ. evaluated for impairment	$	479		$	1,804		$	1,613		$	50		$	7		$	8		$	823		$	219		$	42		$	5,045
Loans pooled for evaluation	$	2,498		$	7,326		$	16,496		$	1,006		$	141		$	555		$	1,935		$	438		$	125		$	30,520
Loans acquired with deteriorated credit quality	$	366		$	280		$	1,214		$	81			—			—		$	1,477		$	679		$	205		$	4,302
	Loans, net of unearned fees – As of March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	135,960		$	874,289		$	333,044		$	13,083		$	2,821		$	27,115		$	115,483		$	19,521		$	11,046		$	1,532,362
Individ. evaluated for impairment	$	6,238		$	64,812		$	8,721		$	576		$	176		$	97		$	5,867		$	3,410		$	343		$	90,240
Loans pooled for evaluation	$	124,712		$	777,466		$	311,258		$	12,304		$	2,645		$	26,993		$	101,187		$	11,088		$	9,566		$	1,377,219
Loans acquired with deteriorated credit quality	$	5,010		$	32,011		$	13,065		$	203			—		$	25		$	8,429		$	5,023		$	1,137		$	64,903
	Allowance for Loan Losses – As of and year ended December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425		$	45,914
Charge-offs		(1,558	)		(3,457	)		(8,042	)		(385	)		(83	)		(1,202	)		(1,251	)		(406	)		(100	)		(16,484	)
Recoveries		147			1,020			398			100			215			860			643			412			—			3,795
(Benefit) provision		2,530			(1,998	)		10,753			339			(104	)		106			(1,234	)		(423	)		(546	)		9,423
Ending balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Ending balance:
Individ. evaluated for impairment	$	631		$	515		$	2,264		$	81		$	5		$	47		$	840		$	11		$	111		$	4,505
Loans pooled for evaluation	$	2,526		$	8,026		$	17,862		$	995		$	238		$	649		$	2,342		$	430		$	165		$	33,233
Loans acquired with deteriorated credit quality	$	366		$	241		$	1,241		$	79			—			—		$	1,521		$	959		$	503		$	4,910
	Loans, net of unearned fees – As of December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	131,684		$	878,446		$	342,025		$	13,557		$	3,816		$	26,713		$	135,528		$	18,459		$	14,595		$	1,564,823
Individ. evaluated for impairment	$	6,586		$	71,077		$	10,056		$	528		$	197		$	121		$	8,562		$	3,596		$	607		$	101,330
Loans pooled for evaluation	$	120,082		$	776,137		$	318,403		$	12,825		$	3,619		$	26,560		$	117,429		$	8,281		$	10,589		$	1,393,925
Loans acquired with deteriorated credit quality	$	5,016		$	31,232		$	13,566		$	204			—		$	32		$	9,537		$	6,582		$	3,399		$	69,568

15

Note 5 – Allowance for Loan Losses (Continued)

	Allowance for Loan Losses – As of and three months ended March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425	$	45,914
Charge-offs		(223	)		(1,305	)		(2,625	)		(41	)		(40	)		(339	)		(281	)		(68	)		—		(4,922	)
Recoveries		-			36			63			3			57			255			50			—			—		464
Provision (benefit)		976			(1,967	)		6,336			204			343			(248	)		(1,764	)		(77	)		193		3,996
Ending balance	$	3,157		$	9,981		$	22,032		$	1,267		$	575		$	600		$	4,550		$	1,672		$	1,618	$	45,452
Ending balance:
Individ. evaluated for impairment	$	582		$	1,041		$	1,578		$	59		$	14		$	17		$	357		$	80		$	1,048	$	4,776
Loans pooled for evaluation	$	2,463		$	8,939		$	18,949		$	1,096		$	560		$	584		$	2,563		$	625		$	110	$	35,889
Loans acquired with deteriorated credit quality	$	113			—		$	1,505		$	111			—			—		$	1,630		$	967		$	461	$	4,787
	Loans, net of unearned fees – As of March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Ending balance:
Total loans	$	130,500		$	816,859		$	350,062		$	14,559		$	8,397		$	23,671		$	128,343		$	22,364		$	16,330	$	1,511,085
Individ. evaluated for impairment	$	10,490		$	69,817		$	8,777		$	549		$	404		$	177		$	9,286		$	5,606		$	7,114	$	112,220
Loans pooled for evaluation	$	113,808		$	714,579		$	327,018		$	13,805		$	7,993		$	23,446		$	106,689		$	7,569		$	5,552	$	1,320,459
Loans acquired with deteriorated credit quality	$	6,202		$	32,463		$	14,267		$	205			—		$	48		$	12,368		$	9,189		$	3,664	$	78,406

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including, but not limited to, trends relating to (i) the level of criticized and classified loans, (ii) net charge-offs, (iii) non-performing loans, and (iv) delinquency within the portfolio.

The Company utilizes a risk grading system to assign a risk grade to each of its loans. Loans are graded on a scale ranging from Pass to Loss. A description of the general characteristics of the risk grades is as follows:

• Pass – This grade represents loans ranging from acceptable to very little or no credit risk. These loans typically meet most if not all policy standards in regard to: loan amount as a percentage of collateral value, debt service coverage, profitability, leverage, and working capital.

• Special Mention – This grade represents “Other Assets Especially Mentioned” in accordance with regulatory guidelines and includes loans that display some potential weaknesses which, if left unaddressed, may result in deterioration of the repayment prospects for the asset or may inadequately protect the Company’s position in the future. These loans warrant more than normal supervision and attention.

• Substandard – This grade represents “Substandard” loans in accordance with regulatory guidelines. Loans within this rating typically exhibit weaknesses that are well defined to the point that repayment is jeopardized. Loss potential is, however, not necessarily evident. The underlying collateral supporting the credit appears to have sufficient value to protect the Company from loss of principal and accrued interest, or the loan has been written down to the point where this is true. There is a definite need for a well defined workout/rehabilitation program.

• Doubtful – This grade represents “Doubtful” loans in accordance with regulatory guidelines. An asset classified as Doubtful has all the weaknesses inherent in a loan classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. Pending factors include proposed merger, acquisition, or liquidation procedures, capital injection, perfecting liens on additional collateral, and financing plans.

• Loss – This grade represents “Loss” loans in accordance with regulatory guidelines. A loan classified as Loss is considered uncollectible and of such little value that its continuance as a bankable asset is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off the loan, even though some recovery may be affected in the future. The portion of the loan that is graded loss should be charged off no later than the end of the quarter in which the loss is identified.

16

Note 5 – Allowance for Loan Losses (Continued)

The following tables present ending loan balances by loan category and risk grade as of the dates indicated:

	Credit Quality Indicators – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	116,293		686,714	$	288,765	$	11,508	$	2,185	$	24,007	$	96,302	$	10,487	$	9,200	$	1,245,461
Special mention		1,920		21,690		4,450		295		367		693		4,461		385		401		34,662
Substandard		7,662		63,892		10,423		730		269		126		5,512		3,626		308		92,548
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
PNCI loans:
Pass	$	4,532	$	62,804	$	15,292	$	347		—	$	2,162	$	760		—		—	$	85,897
Special mention		—		3,711		282		—		—		61		19		—		—		4,073
Substandard		543		3,467		767		—		—		41		—		—		—		4,818
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
PCI loans	$	5,010	$	32,011	$	13,065	$	203		—	$	25	$	8,429	$	5,023	$	1,137	$	64,903
Total loans	$	135,960	$	874,289	$	333,044	$	13,083	$	2,821	$	27,115	$	115,483	$	19,521	$	11,046	$	1,532,362
	Credit Quality Indicators – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	108,946	$	686,593	$	291,701	$	11,892	$	2,949	$	23,154	$	113,595	$	7,744	$	10,221	$	1,256,795
Special mention		3,122		21,184		6,955		555		531		958		3,224		285		356		37,170
Substandard		9,187		67,347		13,015		564		336		151		8,303		3,848		619		103,370
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
PNCI loans:
Pass	$	4,968	$	64,917	$	15,915	$	342		—	$	2,240	$	848		—		—	$	89,230
Special mention		—		5,249		193		—		—		104		21		—		—		5,567
Substandard		436		1,924		680		—		—		74		—		—		—		3,114
Loss		9		—		—		—		—		—		—		—		—		9
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
PCI loans	$	5,016	$	31,232	$	13,566	$	204		—	$	32	$	9,537	$	6,582	$	3,399	$	69,568
Total loans	$	131,684	$	878,446	$	342,025	$	13,557	$	3,816	$	26,713	$	135,528	$	18,459	$	14,595	$	1,564,823

Consumer loans, whether unsecured or secured by real estate, automobiles, or other personal property, are primarily susceptible to three primary risks; non-payment due to income loss, over-extension of credit and, when the borrower is unable to pay, shortfall in collateral value. Typically non-payment is due to loss of job and will follow general economic trends in the marketplace driven primarily by rises in the unemployment rate. Loss of collateral value can be due to market demand shifts, damage to collateral itself or a combination of the two.

Problem consumer loans are generally identified by payment history of the borrower (delinquency) or significant changes in the borrower’s credit rating. Current credit scores are obtained for all consumer loans on a quarterly basis, and risk ratings are adjusted appropriately. The Bank manages its consumer loan portfolios by monitoring delinquency and contacting borrowers to encourage repayment, suggest modifications if appropriate, and, when continued scheduled payments become unrealistic, initiate repossession or foreclosure through appropriate channels. Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations are obtained at initiation of the credit and periodically (every 3-12 months depending on collateral type) once repayment is questionable and the loan has been classified.

Commercial real estate loans generally fall into two categories, owner-occupied and non-owner occupied. Loans secured by owner occupied real estate are primarily susceptible to changes in the business conditions of the related business. This may be driven by, among other things, industry changes, geographic business changes, changes in the individual fortunes of the business owner, and general economic conditions and changes in business cycles. These same risks apply to commercial loans whether secured by equipment or other personal property or unsecured. Losses on loans secured by owner occupied real estate, equipment, or other personal property generally are dictated by the value of underlying collateral at the time of default and liquidation of the collateral. When default is driven by issues related specifically to the business owner, collateral values tend to provide better repayment support and may result in little or no loss. Alternatively, when default is driven by more general economic conditions, underlying collateral generally has devalued more and results in larger losses due to default. Loans secured by non-owner occupied real estate are primarily susceptible to risks associated with swings in occupancy or vacancy and related shifts in lease rates, rental rates or room rates. Most often these shifts are a result of changes in general

17

economic or market conditions or overbuilding and resultant over-supply. Losses are dependent on value of underlying collateral at the time of default. Values are generally driven by these same factors and influenced by interest rates and required rates of return as well as changes in occupancy costs.

Construction loans, whether owner occupied or non-owner occupied commercial real estate loans or residential development loans, are not only susceptible to the related risks described above but the added risks of construction itself including cost over-runs, mismanagement of the project, or lack of demand or market changes experienced at time of completion. Again, losses are primarily related to underlying collateral value and changes therein as described above.

Problem commercial loans are generally identified by periodic review of financial information which may include financial statements, tax returns, rent rolls and payment history of the borrower (delinquency). Based on this information the Bank may decide to take any of several courses of action including demand for repayment, additional collateral or guarantors, and, when repayment becomes unlikely through borrower’s income and cash flow, repossession or foreclosure of the underlying collateral.

Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations are obtained at initiation of the credit and periodically (every 3-12 months depending on collateral type) once repayment is questionable and the loan has been classified.

Once a loan becomes delinquent and repayment becomes questionable, a Bank collection officer will address collateral shortfalls with the borrower and attempt to obtain additional collateral. If this is not forthcoming and payment in full is unlikely, the Bank will estimate its probable loss, using a recent valuation as appropriate to the underlying collateral less estimated costs of sale, and charge the loan down to the estimated net realizable amount. Depending on the length of time until ultimate collection, the Bank may revalue the underlying collateral and take additional charge-offs as warranted. Revaluations may occur as often as every 3-12 months depending on the underlying collateral and volatility of values. Final charge-offs or recoveries are taken when collateral is liquidated and actual loss is known. Unpaid balances on loans after or during collection and liquidation may also be pursued through lawsuit and attachment of wages or judgment liens on borrower’s other assets.

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,305	$	2,326	$	2,635	$	109	$	28	$	50	$	333		—		—	$	6,786
60-89 Days		650		265		1,226		—		36		9		35		—		—		2,221
> 90 Days		732		7,852		2,072		217		94		2		2,616		31		75		13,691
Total past due		2,687		10,443		5,933		326		158		61		2,984		31		75		22,698
Current		123,188		761,853		297,705		12,207		2,663		24,765		103,291		14,467		9,834		1,349,973
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
> 90 Days and still accruing	$	190		—		—		—		—		—		—		—		—	$	190
Nonaccrual loans	$	4,459	$	34,853	$	7,027	$	515	$	166	$	27	$	4,131	$	3,125	$	270	$	54,573

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,709	$	526	$	857		—		—	$	1		—		—		—	$	3,093
60-89 Days		204		569		—		—		—		—		—		—		—		773
> 90 Days		43		—		—		—		—		—		—		—		—		43
Total past due		1,956		1,095		857		—		—		1		—		—		—		3,909
Current		3,119		68,887		15,484		347		—		2,263		779		—		—		90,879
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	111	$	1,212	$	339		—		—	$	41		—		—		—	$	1,703

18

Note 5 – Allowance for Loan Losses (Continued)

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer				Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans						C&I		Resid.		Comm.		Total
Past due:
30-59 Days	$	1,702	$	2,695	$	3,371	$	67	$	77	$	67	$	1,848	$	309		—	$	10,136
60-89 Days		278		1,578		819		33		40		40		138		—		—		2,926
> 90 Days		674		13,829		3,395		217		79		14		4,782		42	$	94		23,126
Total past due		2,654		18,102		7,585		317		196		121		6,768		351		94		36,188
Current		118,601		757,022		304,086		12,694		3,620		24,142		118,354		11,526		11,102		1,361,147
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	4,781	$	37,220	$	8,486	$	465	$	174	$	49	$	6,750	$	3,312	$	532	$	61,769

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,024	$	500	$	124		—		—	$	31		—		—		—	$	1,679
60-89 Days		—		—		63		—		—		—		—		—		—		63
> 90 Days		43		148		157		—		—		—		—		—		—		348
Total past due		1,067		648		344		—		—		31		—		—		—		2,090
Current		4,346		71,442		16,444	$	342		—		2,387	$	869		—		—		95,830
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	113	$	1,218	$	403		—		—	$	42		—		—		—	$	1,776

Impaired Originated and PNCI loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due under the contractual terms.

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired Originated Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	4,017	$	57,206	$	5,138	$	460	$	151	$	23	$	4,240	$	696	$	195	$	72,126
Unpaid principal	$	6,192	$	62,263	$	8,437	$	1,110	$	292	$	40	$	5,392	$	1,442	$	426	$	85,594
Average recorded Investment	$	3,769	$	61,619	$	4,690	$	411	$	157	$	21	$	4,239	$	2,125	$	240	$	77,271
Interest income Recognized	$	7	$	362	$	5		—	$	1		—	$	11		—		—	$	386
With an allowance recorded:
Recorded investment	$	2,025	$	5,816	$	3,244	$	116	$	25	$	4	$	1,626	$	2,713	$	149	$	15,718
Unpaid principal	$	2,252	$	6,095	$	4,086	$	166	$	32	$	4	$	1,680	$	6,680	$	181	$	21,176
Related allowance	$	447	$	1,296	$	1,576	$	50	$	7	$	4	$	823	$	219	$	42	$	4,464
Average recorded Investment	$	2,446	$	4,537	$	4,328	$	142	$	30	$	17	$	2,975	$	1,378	$	236	$	16,089
Interest income Recognized	$	15	$	47	$	16	$	1		—		—	$	19	$	5	$	1	$	104

19

Note 5 – Allowance for Loan Losses (Continued)

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,271	$	302		—		—	$	41		—		—		—	$	1,614
Unpaid principal		—	$	3,300	$	343		—		—	$	46		—		—		—	$	3,689
Average recorded Investment		—	$	1,370	$	334		—		—	$	21		—		—		—	$	1,725
Interest income Recognized		—	$	4		—		—		—		—		—		—		—	$	4
With anallowance recorded:
Recorded investment	$	197	$	519	$	37		—		—	$	29		—		—		—	$	782
Unpaid principal	$	224	$	519	$	41		—		—	$	29		—		—		—	$	813
Related allowance	$	32	$	508	$	37		—		—	$	4		—		—		—	$	581
Average recorded Investment	$	198	$	420	$	38		—		—	$	51		—		—		—	$	707
Interest income Recognized	$	1	$	7		—		—		—	$	1		—		—		—	$	9
	Impaired Originated Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	3,520	$	66,031	$	4,241	$	361	$	163	$	19	$	4,238	$	3,554	$	284	$	82,411
Unpaid principal	$	5,349	$	70,709	$	6,691	$	781	$	311	$	40	$	4,613	$	8,227	$	484	$	97,205
Average recorded Investment	$	6,329	$	61,299	$	4,311	$	329	$	263	$	42	$	7,500	$	3,505	$	517	$	84,095
Interest income Recognized	$	71	$	2,513	$	58	$	1	$	3		—	$	73	$	20	$	10	$	2,749
With anallowance recorded:
Recorded investment	$	2,867	$	3,258	$	5,412	$	167	$	34	$	30	$	4,324	$	42	$	323	$	16,457
Unpaid principal	$	3,432	$	3,556	$	7,103	$	396	$	51	$	32	$	4,992	$	42	$	523	$	20,127
Related allowance	$	603	$	352	$	2,237	$	81	$	5	$	12	$	840	$	11	$	111	$	4,252
Average recorded Investment	$	3,890	$	7,841	$	6,331	$	317	$	102	$	49	$	2,800	$	1,543	$	6,570	$	29,443
Interest income Recognized	$	67	$	129	$	103	$	16	$	1	$	1	$	100	$	6	$	5	$	428

20

Note 5 – Allowance for Loan Losses (Continued)

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,468	$	365		—		—		—		—		—		—	$	1,833
Unpaid principal		—	$	3,452	$	586		—		—		—		—		—		—	$	4,038
Average recorded Investment	$	16	$	2,097	$	308	$	11		—	$	31	$	11		—		—	$	2,474
Interest income Recognized		—	$	133	$	5		—		—		—		—		—		—	$	138
With anallowance recorded:
Recorded investment	$	199	$	320	$	38		—		—	$	72		—		—		—	$	629
Unpaid principal	$	225	$	331	$	41		—		—	$	76		—		—		—	$	673
Related allowance	$	28	$	163	$	27		—		—	$	35		—		—		—	$	253
Average recorded Investment	$	213	$	121	$	148		—		—	$	43		—		—		—	$	525
Interest income Recognized	$	9	$	12	$	1		—		—	$	2		—		—		—	$	24
	Impaired Originated Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	7,288	$	61,224	$	4,039	$	188	$	311	$	55	$	8,453	$	4,631	$	629	$	86,818
Unpaid principal	$	9,377	$	72,273	$	6,755	$	488	$	568	$	80	$	9,110	$	9,642	$	953	$	109,246
Average recorded Investment	$	8,079	$	52,833	$	5,053	$	479	$	467	$	44	$	6,597	$	5,315	$	3,570	$	82,437
Interest income Recognized	$	22	$	375	$	4	$	1	$	1		—	$	33		—	$	3	$	439
With anallowance recorded:
Recorded investment	$	3,040	$	6,521	$	4,332	$	361	$	93	$	45	$	833	$	975	$	6,485	$	22,685
Unpaid principal	$	3,524	$	7,010	$	5,389	$	720	$	117	$	47	$	873	$	2,071	$	6,523	$	26,274
Related allowance	$	559	$	1,043	$	1,498	$	59	$	14	$	17	$	357	$	78	$	1,048	$	4,673
Average recorded Investment	$	3,399	$	10,714	$	3,690	$	188	$	297	$	46	$	704	$	815	$	3,725	$	23,578
Interest income Recognized	$	6	$	62	$	11		—		—		—	$	7	$	2	$	94	$	182

21

Note 5 – Allowance for Loan Losses (Continued)

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	2,072	$	326		—		—	$	77		—		—		—	$	2,475
Unpaid principal		—	$	2,075	$	363		—		—	$	78		—		—		—	$	2,516
Average recorded
Investment		—	$	1,036	$	163		—		—	$	39		—		—		—	$	1,238
Interest income
Recognized		—	$	26		—		—		—	$	1		—		—		—	$	27
With anallowance recorded:
Recorded investment	$	162		—	$	80		—		—		—		—		—		—	$	242
Unpaid principal	$	162		—	$	84		—		—		—		—		—		—	$	246
Related allowance	$	23		—	$	80		—		—		—		—		—		—	$	103
Average recorded
Investment	$	81		—	$	40		—		—		—		—		—		—	$	121
Interest income
Recognized	$	3		—		—		—		—		—		—		—		—	$	3

At March 31, 2013, $51,458,000 of Originated loans were TDR and classified as impaired. The Company had obligations to lend $92,000 of additional funds on these TDR as of March 31, 2013. At March 31, 2013, $954,000 of PNCI loans were TDR and classified as impaired. The Company had no obligations to lend additional funds on these TDR as of March 31, 2013.

At December 31, 2012, $57,223,000 of Originated loans were TDR and classified as impaired. The Company had obligations to lend $137,000 of additional funds on these TDR as of December 31, 2012. At December 31, 2012, $950,000 of PNCI loans were TDR and classified as impaired. The Company had no obligations to lend additional funds on these TDR as of December 31, 2012.

The following table shows certain information regarding Troubled Debt Restructurings (TDRs) that occurred during the period indicated:

	TDR Information for the Three Months Ended March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		—		—		3		—		—		—		—		—		—		3
Pre-modification out-standing principal balance		—		—	$	257		—		—		—		—		—		—	$	257
Post-modification out-standing principal balance		—		—	$	260		—		—		—		—		—		—	$	260
Financial Impact due to troubled debt restructure taken as additional provision		—		—		—		—		—		—		—		—		—		—
Number that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Recorded investment of
TDRs that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

22

Note 5 – Allowance for Loan Losses (Continued)

The following table shows certain information regarding TDRs that occurred during the period indicated:

	TDR Information for the Three Months Ended March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		2		7		2		—		—		1		1		2		—		15
Pre-modification out-standing principal balance	$	650	$	1,561	$	436		—		—	$	38	$	249	$	230		—	$	3,164
Post-modification out-standing principal balance	$	669	$	1,523	$	464		—		—	$	38	$	249	$	232		—	$	3,175
Financial Impact due to troubled debt restructure taken as additional provision		—		—	$	16		—		—		—		—		—		—	$	16
Number that defaulted during the period		1		4		—		—		—		—		—		—		1		6
Recorded investment of TDRs that defaulted during the period	$	112	$	2,632		—		—		—		—		—		—	$	39	$	2,783
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

Modifications classified as Troubled Debt Restructurings can include one or a combination of the following:

• Rate modifications

• Term extensions

• Interest only modifications, either temporary or long-term

• Payment modifications

• Collateral substitutions/additions

For all new Troubled Debt Restructurings, an impairment analysis is conducted. If the loan is determined to be collateral dependent, any additional amount of impairment will be calculated based on the difference between estimated collectible value and the current carrying balance of the loan. This difference could result in an increased provision and is typically charged off. If the asset is determined not to be collateral dependent, the impairment is measured on the net present value difference between the estimated cash flows of the restructured loan and the cash flows which would have been received under the original terms. The effect of this could result in a requirement for additional provision to the reserve. The effect of these required provisions for the period are indicated above.

Typically if a TDR defaults during the period, the loan is then considered collateral dependent and, if it was not already considered collateral dependent, an appropriate provision will be reserved or charge will be taken. The additional provisions required resulting from default of previously modified TDR’s are noted above.

Note 6 – Foreclosed Assets

A summary of the activity in the balance of foreclosed assets follows (in thousands):

	Three months ended March 31, 2013									Three months ended March 31, 2012
	Non covered			Covered			Total			Non covered			Covered			Total
Beginning balance, net	$	5,957		$	1,541		$	7,498		$	13,268		$	3,064		$	16,332
Additions/transfers from loans		5,473			263			5,736			1,694			225			1,919
Dispositions/sales		(6,816	)		(267	)		(7,083	)		(3,379	)		—			(3,379	)
Valuation adjustments		(27	)		—			(27	)		(83	)		—			(83	)
Ending balance, net	$	4,587		$	1,537		$	6,124		$	11,500		$	3,289		$	14,789
Ending valuation allowance	$	984		$	488		$	1,472		$	(977	)	$	(776	)	$	(1,753	)
Ending number of foreclosed assets		33			4			37			52			11			63
Proceeds from sale of foreclosed assets	$	7,354		$	280		$	7,635		$	3,021			—		$	3,021
Gain (loss) on sale of foreclosed assets	$	538		$	13		$	551		$	(358	)		—		$	(358	)

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Note 7—Premises and Equipment

Premises and equipment were comprised of:

	March 31, 2013			December 31, 2012
	(In thousands)
Land & land improvements	$	5,905		$	5,929
Buildings		23,104			23,090
Furniture and equipment		25,778			25,877
		54,787			54,896
Less: Accumulated depreciation		(32,712	)		(32,101	)
		22,075			22,795
Construction in progress		7,393			4,190
Total premises and equipment	$	29,468		$	26,985

Depreciation expense for premises and equipment amounted to $741,000 and $782,000 for the three months ended March 31, 2013 and 2012, respectively.

Note 8 – Cash Value of Life Insurance

A summary of the activity in the balance of cash value of life insurance follows (in thousands):

	Three months ended March 31,
	2013		2012
Beginning balance	$	50,582	$	50,403
Increase in cash value of life insurance		426		450
Ending balance	$	51,008	$	50,853
End of period death benefit	$	94,234	$	95,593
Number of policies owned		133		139
Insurance companies used		6		6
Current and former employees and directors covered		36		38

As of March 31, 2013, the Bank was the owner and beneficiary of 133 life insurance policies, issued by six life insurance companies, covering 36 current and former employees and directors. These life insurance policies are recorded on the Company’s financial statements at their reported cash (surrender) values. As a result of current tax law and the nature of these policies, the Bank records any increase in cash value of these policies as nontaxable noninterest income. If the Bank decided to surrender any of the policies prior to the death of the insured, such surrender may result in a tax expense related to the life-to-date cumulative increase in cash value of the policy. If the Bank retains such policies until the death of the insured, the Bank would receive nontaxable proceeds from the insurance company equal to the death benefit of the policies. The Bank has entered into Joint Beneficiary Agreements (JBAs) with certain of the insureds that for certain of the policies provide some level of sharing of the death benefit, less the cash surrender value, among the Bank and the beneficiaries of the insured upon the receipt of death benefits. See Note 15 of these consolidated financial statements for additional information on of JBAs.

Note 9—Goodwill and Other Intangible Assets

The following table summarizes the Company’s goodwill intangible as of the dates indicated.

(In thousands)	March 31, 2013		Additions		Reductions		December 31, 2012
Goodwill	$	15,519		—		—	$	15,519

The following table summarizes the Company’s core deposit intangibles as of the dates indicated.

(In thousands)	March 31, 2013			Additions		Reductions			December 31, 2012
Core deposit intangibles	$	1,460			—		—		$	1,460
Accumulated amortization		(420	)		—	$	(52	)		(368	)
Core deposit intangibles, net	$	1,040			—	$	(52	)	$	1,092

The Company recorded additions to core deposit intangibles of $898,000 and $562,000 in conjunction with the Citizens and Granite acquisition on September 23, 2011 and May 28, 2010, respectively. The following table summarizes the Company’s estimated core deposit intangible amortization (in thousands):

Years Ended	Estimated Core Deposit Intangible Amortization
2013	$	209
2014		209
2015		209
2016		209
2017		209
2018	$	47

24

Note 10—Mortgage Servicing Rights

The following tables summarize the activity in, and the main assumptions we used to determine the fair value of mortgage servicing rights for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Mortgage servicing rights:
Balance at beginning of period	$	4,552		$	4,603
Additions		493			550
Change in fair value		(61	)		(369	)
Balance at end of period	$	4,984		$	4,784
Servicing, late and ancillary fees received	$	417		$	372
Balance of loans serviced at:
Beginning of period	$	666,512		$	598,185
End of period	$	680,447		$	615,867
Weighted-average prepayment speed (CPR)		17.3	%		18.4	%
Discount rate		10.0	%		9.0	%

The changes in fair value of MSRs that occurred during the three months ended March 31, 2013 and 2012 were mainly due to changes in principal balances and changes in the estimated life of the MSRs.

Note 11—Indemnification Asset

A summary of the activity in the balance of indemnification asset follows (in thousands):

	Three months ended March 31,
	2013			2012
Beginning balance	$	1,997		$	4,405
Effect of actual covered losses and change in estimated future covered losses		(35	)		(418	)
Reimbursable (revenue) expenses, net		(39	)		58
Payments received		(116	)		(640	)
Ending balance	$	1,807		$	3,405

Note 12 – Other Assets

Other assets were comprised of (in thousands):

	March 31, 2013		December 31, 2012
Deferred tax asset, net	$	28,098	$	28,935
Prepaid expense including FDIC assessment and taxes		4,507		3,455
Software		1,434		1,550
Life insurance proceeds receivable		—		706
Advanced compensation		1,408		1,440
TriCo Capital Trust I & II		1,238		1,238
Miscellaneous other assets		1,799		1,283
Total other assets	$	38,484	$	38,607

Note 13—Deposits

A summary of the balances of deposits follows (in thousands):

	March 31, 2013		December 31, 2012
Noninterest-bearing demand	$	639,420	$	684,833
Interest-bearing demand		531,695		503,465
Savings		786,352		762,924
Time certificates, $100,000 and over		175,288		180,195
Other time certificates		152,795		158,285
Total deposits	$	2,285,550	$	2,289,702

Certificate of deposit balances of $5,000,000 and $5,000,000 from the State of California were included in time certificates, $100,000 and over, at March 31, 2013 and December 31, 2012, respectively. The Bank participates in a deposit program offered by the State of California whereby the State may make deposits at the Bank’s request subject to collateral and credit worthiness constraints. The negotiated rates on these State deposits are generally more favorable than other wholesale funding sources available to the Bank. Overdrawn deposit balances of $1,112,000 and $1,408,000 were classified as consumer loans at March 31, 2013 and December 31, 2012, respectively.

25

Note 14 – Reserve for Unfunded Commitments

The following tables summarize the activity in reserve for unfunded commitments for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Balance at beginning of period	$	3,615		$	2,740
Provision for losses – unfunded commitments		(440	)		(190	)
Balance at end of period	$	3,175		$	2,550

Note 15 – Other Liabilities

Other liabilities were comprised of (in thousands):

	March 31, 2013		December 31, 2012
Deferred compensation	$	7,894	$	7,738
Supplemental retirement		16,694		16,345
Joint beneficiary agreements		2,805		2,736
Accrued legal settlement		2,090		2,090
Miscellaneous other liabilities		7,857		6,213
Total other liabilities	$	37,340	$	35,122

Note 16—Other Borrowings

A summary of the balances of other borrowings follows:

(In thousands)	March 31, 2013		December 31, 2012
Other collateralized borrowings, fixed rate, as of
March 31, 2013 of 0.05% payable on April 1, 2013	$	8,125	$	9,197
Total other borrowings	$	8,125	$	9,197

The Company had $8,125,000 and $9,197,000 of other collateralized borrowings at March 31, 2013 and December 31, 2012, respectively. Other collateralized borrowings are generally overnight maturity borrowings from non-financial institutions that are collateralized by securities owned by the Company. As of March 31, 2013, the Company has pledged as collateral and sold under agreements to repurchase investment securities with fair value of $8,125,000 under these other collateralized borrowings.

The Company maintains a collateralized line of credit with the Federal Home Loan Bank of San Francisco. Based on the FHLB stock requirements at March 31, 2013, this line provided for maximum borrowings of $511,625,000 of which none was outstanding, leaving $511,625,000 available. As of March 31, 2013, the Company has designated loans totaling $1,006,023,000 as potential collateral under this collateralized line of credit with the FHLB.

The Company maintains a collateralized line of credit with the Federal Reserve Bank of San Francisco. As of March 31, 2013, this line provided for maximum borrowings of $80,091,000 of which none was outstanding, leaving $80,091,000 available. As of March 31, 2013, the Company has designated investment securities with fair value of $54,000 and loans totaling $102,267,000 as potential collateral under this collateralized line of credit with the FRB.

The Company has available unused correspondent banking lines of credit from commercial banks totaling $5,000,000 for federal funds transactions at March 31, 2013.

Note 17 – Junior Subordinated Debt

On July 31, 2003, the Company formed a subsidiary business trust, TriCo Capital Trust I, to issue trust preferred securities. Concurrently with the issuance of the trust preferred securities, the trust issued 619 shares of common stock to the Company for $1,000 per share or an aggregate of $619,000. In addition, the Company issued a Junior Subordinated Debenture to the Trust in the amount of $20,619,000. The terms of the Junior Subordinated Debenture are materially consistent with the terms of the trust preferred securities issued by TriCo Capital Trust I. Also on July 31, 2003, TriCo Capital Trust I completed an offering of 20,000 shares of cumulative trust preferred securities for cash in an aggregate amount of $20,000,000. The trust preferred securities are mandatorily redeemable upon maturity on October 7, 2033 with an interest rate that resets quarterly at three-month LIBOR plus 3.05%. TriCo Capital Trust I has the right to redeem the trust preferred securities on or after October 7, 2008. The trust preferred securities were issued through an underwriting syndicate to which the Company paid underwriting fees of $7.50 per trust preferred security or an aggregate of $150,000. The net proceeds of $19,850,000 were used to finance the opening of new branches, improve bank services and technology, repurchase shares of the Company’s common stock under its repurchase plan and increase the Company’s capital. The trust preferred securities have not been and will not be registered under the Securities Act of 1933, as amended, or applicable state securities laws and were sold pursuant to an exemption from registration under the Securities Act of 1933. The trust preferred securities may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act of 1933, as amended, and applicable state securities laws.

The $20,619,000 of junior subordinated debentures issued by TriCo Capital Trust I are reflected as junior subordinated debt in the consolidated balance sheets. The common stock issued by TriCo Capital Trust I are recorded in other assets in the consolidated balance sheets.

26

On June 22, 2004, the Company formed a second subsidiary business trust, TriCo Capital Trust II, to issue trust preferred securities. Concurrently with the issuance of the trust preferred securities, the trust issued 619 shares of common stock to the Company for $1,000 per share or an aggregate of $619,000. In addition, the Company issued a Junior Subordinated Debenture to the Trust in the amount of $20,619,000. The terms of the Junior Subordinated Debenture are materially consistent with the terms of the trust preferred securities issued by TriCo Capital Trust II. Also on June 22, 2004, TriCo Capital Trust II completed an offering of 20,000 shares of cumulative trust preferred securities for cash in an aggregate amount of $20,000,000. The trust preferred securities are mandatorily redeemable upon maturity on July 23, 2034 with an interest rate that resets quarterly at three-month LIBOR plus 2.55%. TriCo Capital Trust II has the right to redeem the trust preferred securities on or after July 23, 2009. The trust preferred securities were issued through an underwriting syndicate to which the Company paid underwriting fees of $2.50 per trust preferred security or an aggregate of $50,000. The net proceeds of $19,950,000 were used to finance the opening of new branches, improve bank services and technology, repurchase shares of the Company’s common stock under its repurchase plan and increase the Company’s capital. The trust preferred securities have not been and will not be registered under the Securities Act of 1933, as amended, or applicable state securities laws and were sold pursuant to an exemption from registration under the Securities Act of 1933. The trust preferred securities may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act of 1933, as amended, and applicable state securities laws.

The $20,619,000 of junior subordinated debentures issued by TriCo Capital Trust II are reflected as junior subordinated debt in the consolidated balance sheets. The common stock issued by TriCo Capital Trust II is recorded in other assets in the consolidated balance sheets.

The debentures issued by TriCo Capital Trust I and TriCo Capital Trust II, less the common securities of TriCo Capital Trust I and TriCo Capital Trust II, continue to qualify as Tier 1 or Tier 2 capital under interim guidance issued by the Board of Governors of the Federal Reserve System (Federal Reserve Board). As of March 31, 2013, the interest rates on the junior subordinated debentures issued by TriCo Capital Trust I and II were 3.354% and 2.852%, respectively.

Note 18—Commitments and Contingencies

Restricted Cash Balances— Reserves (in the form of deposits with the Federal Reserve Bank) of $35,533,000 and $31,594,000 were maintained to satisfy Federal regulatory requirements at March 31, 2013 and December 31, 2012, respectively. These reserves are included in cash and due from banks in the accompanying balance sheets.

Lease Commitments— The Company leases 47 sites under non-cancelable operating leases. The leases contain various provisions for increases in rental rates, based either on changes in the published Consumer Price Index or a predetermined escalation schedule. Substantially all of the leases provide the Company with the option to extend the lease term one or more times following expiration of the initial term.

At December 31, 2011, future minimum commitments under non-cancelable operating leases with initial or remaining terms of one year or more are as follows:

	Operating Leases
	(In thousands)
2013	$	2,772
2014		2,417
2015		1,536
2016		954
2017		617
Thereafter		1,312
Future minimum lease payments	$	9,608

Rent expense under operating leases was $791,000 and $832,000 during the three months ended March 31, 2013 and 2012, respectively

Financial Instruments with Off-Balance-Sheet Risk— The Company is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit, and deposit account overdraft privilege. Those instruments involve, to varying degrees, elements of risk in excess of the amount recognized in the balance sheet. The contract amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit written is represented by the contractual amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. The Company’s exposure to loss in the event of nonperformance by the other party to the financial instrument for deposit account overdraft privilege is represented by the overdraft privilege amount disclosed to the deposit account holder.

27

The following table presents a summary of the Bank’s commitments and contingent liabilities:

(In thousands)	March 31, 2013		December 31, 2012
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	133,953	$	123,517
Consumer loans		369,110		369,467
Real estate mortgage loans		27,388		27,959
Real estate construction loans		28,711		36,311
Standby letters of credit		2,004		2,905
Deposit account overdraft privilege		71,288		69,675

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates of one year or less or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on Management’s credit evaluation of the customer. Collateral held varies, but may include accounts receivable, inventory, property, plant and equipment, residential properties, and income-producing commercial properties.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. Those guarantees are primarily issued to support private borrowing arrangements. Most standby letters of credit are issued for one year or less. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Collateral requirements vary, but in general follow the requirements for other loan facilities.

Deposit account overdraft privilege amount represents the unused overdraft privilege balance available to the Company’s deposit account holders who have deposit accounts covered by an overdraft privilege. The Company has established an overdraft privilege for certain of its deposit account products whereby all holders of such accounts who bring their accounts to a positive balance at least once every thirty days receive the overdraft privilege. The overdraft privilege allows depositors to overdraft their deposit account up to a predetermined level. The predetermined overdraft limit is set by the Company based on account type.

Legal Proceedings—The Bank owns 10,214 shares of Class B common stock of Visa Inc. which are convertible into Class A common stock at a conversion ratio of 0.4206 per Class A share. As of March 31, 2013, the value of the Class A shares was $169.84 per share. Utilizing the conversion ratio, the value of unredeemed Class A equivalent shares owned by the Company was $730,000 as of March 31, 2013, and has not been reflected in the accompanying financial statements. The shares of Visa Class B common stock are restricted and may not be transferred. Visa Member Banks are required to fund an escrow account to cover settlements, resolution of pending litigation and related claims. If the funds in the escrow account are insufficient to settle all the covered litigation, Visa may sell additional Class A shares, use the proceeds to settle litigation, and further reduce the conversion ratio. If funds remain in the escrow account after all litigation is settled, the Class B conversion ratio will be increased to reflect that surplus.

On September 27, 2012, the Company announced that the Bank entered into a tentative settlement with a former employee who filed a class action lawsuit against the Bank in the Superior Court of California, Kern County on behalf of herself and a putative class of current and former Bank employees serving as assistant branch managers seeking undisclosed damages, alleging that the Bank improperly classified its assistant branch managers as exempt employees under California laws. The lawsuit alleges claims for: failure to pay overtime compensation; failure to provide meal periods; failure to provide rest periods; failure to provide accurate wage statements; failure to provide suitable seating; declaratory relief; accounting; and unfair business practices in violation of California Business and Professions Code section 17200. On September 26, 2012, after efforts to mediate the claim, the Bank and the former employee agreed to settle the case in an amount ranging from $2,039,500 to $2,500,000, depending primarily on the number of class participants who file claims, and pending approval by the court, including determination of the method to allocate settlement payments among current and former employees who are members of the defined settlement class, and the portion of the total settlement allocable to attorney’s fees and costs to plaintiff’s counsel. On September 26, 2012, the Bank recorded a $2,090,000 expense and accrued liability in anticipation of approval of this settlement by the court and estimated related payroll taxes.

The Company is a defendant in other legal actions arising from normal business activities. Management believes, after consultation with legal counsel, that these actions are without merit or that the ultimate liability, if any, resulting from them will not materially affect the Company’s consolidated financial position or results from operations.

Other Commitments and Contingencies—The Company has entered into employment agreements or change of control agreements with certain officers of the Company providing severance payments and accelerated vesting of benefits under supplemental retirement agreements to the officers in the event of a change in control of the Company and termination for other than cause or after a substantial and material change in the officer’s title, compensation or responsibilities.

Mortgage loans sold to investors may be sold with servicing rights retained, with only the standard legal representations and warranties regarding recourse to the Bank. Management believes that any liabilities that may result from such recourse provisions are not significant.

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Note 19 – Shareholders’ Equity

Dividends Paid

The Bank paid to the Company cash dividends in the aggregate amounts of $1,700,000 and $1,625,000 during the three months ended March 31, 2013 and 2012, respectively. The Bank is regulated by the FDIC and the State of California Department of Financial Institutions. Absent approval from the Commissioner of Financial Institutions of California, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period.

Shareholders’ Rights Plan

On June 25, 2001, the Company announced that its Board of Directors adopted and entered into a Shareholder Rights Plan designed to protect and maximize shareholder value and to assist the Board of Directors in ensuring fair and equitable benefit to all shareholders in the event of a hostile bid to acquire the Company. On July 8, 2011, the Company amended the Rights Plan to extend its maturity until July 10, 2021.

The Company adopted this Rights Plan to protect shareholders from coercive or otherwise unfair takeover tactics. In general terms, the Rights Plan imposes a significant penalty upon any person or group that acquires 15% or more of the Company’s outstanding common stock without approval of the Company’s Board of Directors. The Rights Plan was not adopted in response to any known attempt to acquire control of the Company.

Under the Rights Plan, a dividend of one Preferred Stock Purchase Right was declared for each common share held of record as of the close of business on July 10, 2001. No separate certificates evidencing the rights will be issued unless and until they become exercisable.

The rights generally will not become exercisable unless an acquiring entity accumulates or initiates a tender offer to purchase 15% or more of the Company’s common stock. In that event, each right will entitle the holder, other than the unapproved acquirer and its affiliates, to purchase either the Company’s common stock or shares in an acquiring entity at one-half of market value.

The rights’ initial exercise price, which is subject to adjustment, is $49.00 per right. The Company’s Board of Directors generally will be entitled to redeem the rights at a redemption price of $0.01 per right until an acquiring entity acquires a 15% position.

Stock Repurchase Plan

On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. The 500,000 shares authorized for repurchase under this stock repurchase plan represented approximately 3.2% of the Company’s 15,814,662 outstanding common shares as of August 21, 2007. This stock repurchase plan has no expiration date. As of March 31, 2013, the Company had repurchased 166,600 shares under this plan.

Stock Repurchased Under Equity Compensation Plans

During the three months ended March 31, 2013, 15,647 shares of the Company’s common stock were tendered in lieu of cash to exercise options to purchase shares of the Company’s stock. Such tendered shares are considered repurchased shares but are not counted against the repurchase plan noted above.

Note 20—Stock Options and Other Equity-Based Incentive Instruments

In March 2009, the Company’s Board of Directors adopted the TriCo Bancshares 2009 Equity Incentive Plan (2009 Plan) covering officers, employees, directors of, and consultants to, the Company. The 2009 Plan was approved by the Company’s shareholders in May 2009. The 2009 Plan allows for the granting of the following types of “stock awards” (Awards): incentive stock options, nonstatutory stock options, performance awards, restricted stock, restricted stock unit awards and stock appreciation rights. In May 2013, the Company’s shareholders approved an amendment to the 2009 Plan increasing the maximum aggregate number of shares of TriCo’s common stock which may be issued pursuant to or subject to Awards from 650,000 to 1,650,000. The number of shares available for issuance under the 2009 Plan is reduced by: (i) one share for each share of common stock issued pursuant to a stock option or a Stock Appreciation Right and (ii) two shares for each share of common stock issued pursuant to a Performance Award, a Restricted Stock Award or a Restricted Stock Unit Award. When Awards made under the 2009 Plan expire or are forfeited or cancelled, the underlying shares will become available for future Awards under the 2009 Plan. To the extent that a share of common stock pursuant to an Award that counted as two shares against the number of shares again becomes available for issuance under the 2009 Plan, the number of shares of common stock available for issuance under the 2009 Plan shall increase by two shares. Shares awarded and delivered under the 2009 Plan may be authorized but unissued, or reacquired shares. As of March 31, 2013, 585,500 options for the purchase of common shares remain outstanding, and 1,064,500 remain available for grant, under the 2009 Plan (giving effect to the amendment described above).

In May 2001, the Company adopted the TriCo Bancshares 2001 Stock Option Plan (2001 Plan) covering officers, employees, directors of, and consultants to, the Company. Under the 2001 Plan, the option exercise price cannot be less than the fair market value of the Common Stock at the date of grant except in the case of substitute options. Options for the 2001 Plan expire on the tenth anniversary of the grant date. Vesting schedules under the 2001 Plan are determined individually for each grant. As of March 31, 2013, 795,935 options for the purchase of common shares remain outstanding under the 2001 Plan. No new options may be granted under the 2001 Plan.

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Stock option activity is summarized in the following table for the time period indicated:

	Number of Shares			Option Price per Share					Weighted Average Exercise Price		Weighted Average Fair Value on Date of Grant
Outstanding at December 31, 2012		1,393,935		$	12.60	to	$	25.91	$	17.07
Options granted		7,500		$	16.59	to	$	16.59	$	16.59	$	7.51
Options exercised		(20,000	)	$	13.09	to	$	13.09	$	13.09
Options forfeited		—			—	to		—		—
Outstanding at March 31, 2013		1,381,435		$	12.60	to	$	25.91	$	17.13

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2013:

	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		1,047,546		333,889		1,381,435
Weighted average exercise price	$	17.65	$	15.49	$	17.13
Intrinsic value (in thousands)	$	1,379	$	568	$	1,947
Weighted average remaining contractual term (yrs.)		3.7		8.5		4.9

The 333,889 options that are currently not exercisable as of March 31, 2013 are expected to vest, on a weighted-average basis, over the next 3.3 years, and the Company is expected to recognize $2,308,000 of pre-tax compensation costs related to these options as they vest. The Company did not modify any option grants during 2012 or the three months ended March 31, 2013.

Note 21—Noninterest Income and Expenses

The components of other noninterest income were as follows (in thousands):

	Three months ended March 31,
	2013			2012
Service charges on deposit accounts	$	3,140		$	3,527
ATM and interchange fees		1,875			1,819
Other service fees		559			603
Mortgage banking service fees		416			372
Change in value of mortgage servicing rights		(61	)		(369	)
Total service charges and fees		5,929			5,952
Gain on sale of loans		2,294			1,650
Commissions on sale of non-deposit investment products		761			819
Increase in cash value of life insurance		426			450
Change in indemnification asset		(101	)		(353	)
Gain (loss) on sale of foreclosed assets		551			(358	)
Sale of customer checks		91			73
Lease brokerage income		117			58
Loss on disposal of fixed assets		(16	)		(235	)
Commission rebates		—			(16	)
Other		166			225
Total other noninterest income		4,289			2,313
Total noninterest income	$	10,218		$	8,265

Mortgage loan servicing fees, net of change in fair value of mortgage loan servicing rights, totaling $355,000 and $3,000 were recorded in service charges and fees noninterest income for the three months ended March 31, 2013 and 2012, respectively.

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Note 21—Noninterest Income and Expenses (continued)

The components of noninterest expense were as follows (in thousands):

	Three months ended March 31,
	2013			2012
Base salaries, net of deferred loan origination costs	$	8,348		$	8,159
Incentive compensation		1,286			1,375
Benefits and other compensation costs		3,327			3,228
Total salaries and benefits expense		12,961			12,762
Occupancy		1,659			1,716
Equipment		1,034			1,117
Data processing and software		1,078			1,294
ATM network charges		496			567
Telecommunications		525			555
Postage		231			256
Courier service		167			189
Advertising		325			498
Assessments		606			606
Operational losses		117			116
Professional fees		486			423
Foreclosed assets expense		99			525
Provision for foreclosed asset losses		27			83
Change in reserve for unfunded commitments		(440	)		(190	)
Intangible amortization		52			53
Other		2,178			2,345
Total other noninterest expense		8,640			10,153
Total noninterest income	$	21,601		$	22,915

Note 22—Income Taxes

The provisions for income taxes applicable to income before taxes differ from amounts computed by applying the statutory Federal income tax rates to income before taxes. The effective tax rate and the statutory federal income tax rate are reconciled for the periods indicated as follows:

	Three months ended March 31,
	2013			2012
Federal statutory income tax rate		35.0	%		35.0	%
State income taxes, net of federal tax benefit		6.8			6.3
Tax-exempt interest on municipal obligations		(0.2	)		(0.6	)
Increase in cash value of insurance policies		(1.0	)		(2.5	)
Other		0.1			0.3
Effective Tax Rate		40.7	%		38.5	%

Note 23 – Earnings Per Share

Basic earnings per share represents income available to common shareholders divided by the weighted-average number of common shares outstanding during the period. Diluted earnings per share reflects additional common shares that would have been outstanding if dilutive potential common shares had been issued, as well as any adjustments to income that would result from assumed issuance. Potential common shares that may be issued by the Company relate solely from outstanding stock options, and are determined using the treasury stock method. Earnings per share have been computed based on the following:

	Three months ended March 31,
(In thousands)	2013		2012
Net income	$	8,477	$	3,931
Average number of common shares outstanding		16,002		15,979
Effect of dilutive stock options		89		64
Average number of common shares outstanding used to calculate diluted earnings per share		16,091		16,043
Options excluded from diluted earnings per share because the effect of these options was antidilutive		856		869

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Note 24 – Comprehensive Income

Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale securities, are reported as a separate component of the equity section of the balance sheet, such items, along with net income, are components of comprehensive income. The components of other comprehensive income and related tax effects are as follows:

	Three months ended March 31,
	2013			2012
(In thousands)
Decrease in unrealized gains on available-for-sale securities arising during the period	$	(1,073	)	$	(265	)
Tax effect		452			112
Other comprehensive income	$	(621	)	$	(153	)

The components of accumulated other comprehensive income, included in shareholders’ equity, are as follows:

	March 31, 2013			December 31, 2012
	(In thousands)
Net unrealized gains on available-for-sale securities	$	7,361		$	8,434
Tax effect		(3,095	)		(3,547	)
Unrealized gains on available-for-sale securities, net of tax		4,266			4,887
Minimum pension liability		(3,806	)		(3,806	)
Tax effect		1,600			1,600
Minimum pension liability, net of tax		(2,206	)		(2,206	)
Joint beneficiary agreement liability		(522	)		(522	)
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		(522	)		(522	)
Accumulated other comprehensive income (loss)	$	1,538		$	2,159

Note 25—Retirement Plans

The Company has supplemental retirement plans for current and former directors and key executives. These plans are non-qualified defined benefit plans and are unsecured and unfunded. The Company has purchased insurance on the lives of the participants and intends (but is not required) to use the cash values of these policies to pay the retirement obligations. The following table sets forth the net periodic benefit cost recognized for the plans:

	Three months ended March 31,
	2013		2012
	(In thousands)
Net pension cost included the following components:
Service cost-benefits earned during the period	$	185	$	170
Interest cost on projected benefit obligation		160		172
Amortization of net obligation at transition		—		—
Amortization of prior service cost		38		38
Recognized net actuarial loss		72		72
Net periodic pension cost	$	455	$	452

During the three months ended March 31, 2013 and 2012, the Company contributed and paid out as benefits $106,000 and $106,000, respectively, to participants under the plans. For the year ending December 31, 2013, the Company expects to contribute and pay out as benefits $472,000 to participants under the plans.

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Note 26—Related Party Transactions

Certain directors, officers, and companies with which they are associated were customers of, and had banking transactions with, the Company or the Bank in the ordinary course of business. It is the Company’s policy that all loans and commitments to lend to officers and directors be made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other borrowers of the Bank.

The following table summarizes the activity in these loans for the periods indicated (in thousands):

Balance December 31, 2011	$	1,764
Advances/new loans		1,568
Removed/payments		(964	)
Balance December 31, 2012	$	2,368
Advances/new loans		227
Removed/payments		(220	)
Balance March 31, 2013	$	2,375

Director Chrysler is a principal owner and CEO of Modern Building Inc. Modern Building Inc. provided construction services to Tri Counties Bank related to new and existing Bank facilities for aggregate payments of $1,601,000 during the three months ended March 31, 2013 and $3,924,000 during the year ended December 31, 2012.

Note 27—Fair Value Measurement

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In estimating fair value, the Company utilizes valuation techniques that are consistent with the market approach, income approach, and/or the cost approach. Inputs to valuation techniques include the assumptions that market participants would use in pricing an asset or liability including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset and the risk of nonperformance. Securities available-for-sale and mortgage servicing rights are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such as loans held for sale, loans held for investment and certain other assets. These nonrecurring fair value adjustments typically involve application of lower of cost or market accounting or impairment write-downs of individual assets.

The Company groups assets and liabilities at fair value in three levels, based on the markets in which the assets and liabilities are traded and the observable nature of the assumptions used to determine fair value. These levels are:

Level 1— Valuation is based upon quoted prices for identical instruments traded in active markets.

Level 2— Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market.

Level 3— Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

Securities available-for-sale—Securities available-for-sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds and corporate debt securities. The Company had no securities classified as Level 3 during any of the periods covered in these financial statements.

Loans held for sale – Loans held for sale are carried at the lower of cost or fair value. The fair value of loans held for sale is based on what secondary markets are currently offering for loans with similar characteristics. As such, we classify those loans subjected to nonrecurring fair value adjustments as Level 2.

Impaired originated and PNCI loans – Originated and PNCI loans are not recorded at fair value on a recurring basis. However, from time to time, an originated or PNCI loan is considered impaired and an allowance for loan losses is established. Originated and PNCI loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. The fair value of an impaired originated or PNCI loan is estimated using one of several methods, including collateral value, fair value of similar debt, enterprise value, liquidation value and discounted cash flows. Those impaired originated and PNCI loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. Impaired originated and PNCI loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated or PNCI loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further

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impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the impaired originated or PNCI loan as nonrecurring Level 3.

Foreclosed assets—Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. When the fair value of foreclosed assets is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the foreclosed asset as nonrecurring Level 3. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense.

Mortgage servicing rights—Mortgage servicing rights are carried at fair value. A valuation model, which utilizes a discounted cash flow analysis using a discount rate and prepayment speed assumptions is used in the computation of the fair value measurement. While the prepayment speed assumption is currently quoted for comparable instruments, the discount rate assumption currently requires a significant degree of management judgment and is therefore considered an unobservable input. As such, the Company classifies mortgage servicing rights subjected to recurring fair value adjustments as Level 3. Additional information regarding mortgage servicing rights can be found in Note 10 in the consolidated financial statements at Item 1 of this report.

The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis (in thousands):

Fair value at March 31, 2013	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	133,964		—	$	133,964		—
Obligations of states and political subdivisions		8,578		—		8,578		—
Corporate debt securities		1,912		—		1,912		—
Mortgage servicing rights		4,984		—		—	$	4,984
Total assets measured at fair value	$	149,438			$	144,454	$	4,984
Fair value at December 31, 2012	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	151,701		—	$	151,701		—
Obligations of states and political subdivisions		9,421		—		9,421		—
Corporate debt securities		1,905		—		1,905		—
Mortgage servicing rights		4,552		—		—	$	4,552
Total assets measured at fair value	$	167,579		—	$	163,027	$	4,552

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 corresponds with the Company’s quarterly valuation process. There were no transfers between any levels during the three months ended March 31, 2013 or the year ended December 31, 2012.

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three months ended Mach 31, 2013 and 2012. Had there been any transfer into or out of Level 3 during 2012 or 2011, the amount included in the “Transfers into (out of) Level 3” column would represent the beginning balance of an item in the period (interim quarter) during which it was transferred (in thousands):

Three months ended December 31,	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
2013: Mortgage servicing rights	$	4,552		—	$	(61	)	$	493	$	4,984
2012: Mortgage servicing rights	$	4,603		—	$	(369	)	$	550	$	4,784

The Company’s method for determining the fair value of mortgage servicing rights is described in Note 1. The key unobservable inputs used in determining the fair value of mortgage servicing rights are mortgage prepayment speeds and the discount rate used to discount cash projected cash flows. Generally, any significant increases in the mortgage prepayment speed and discount rate utilized in the fair value measurement of the mortgage servicing rights will result in a negative fair value adjustments (and decrease in the fair value measurement). Conversely, a decrease in the mortgage prepayment speed and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement). Note 10 contains additional information regarding mortgage servicing rights.

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The following table presents quantitative information about recurring Level 3 fair value measurements at March 31, 2013:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Mortgage Servicing Rights	$	4,984	Discounted cash flow	Constant prepayment rate	7.5%-24.0%, 17.3%
				Discount rate	10.0%-10.0%, 10.0%

The tables below present the recorded amount of assets and liabilities measured at fair value on a nonrecurring basis, as of the dates indicated, that had a write-down or an additional allowance provided during the periods indicated (in thousands):

Three months ended March 31, 2013	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	23,989		—		—	$	23,989	$	(1,948	)
Foreclosed assets		352		—		—		352		(27	)
Total assets measured at fair value	$	24,341		—		—	$	24,341	$	(1,975	)
Three months ended March 31, 2012	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	21,110		—		—	$	21,110	$	(334	)
Foreclosed assets		680		—		—		680		(83	)
Total assets measured at fair value	$	21,790		—		—	$	21,790	$	(417	)

The impaired Originated and PNCI loan amount above represents impaired, collateral dependent loans that have been adjusted to fair value. When we identify a collateral dependent loan as impaired, we measure the impairment using the current fair value of the collateral, less selling costs. Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals. If we determine that the value of the impaired loan is less than the recorded investment in the loan, we recognize this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses. The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral. The carrying value of loans fully charged-off is zero.

The foreclosed assets amount above represents impaired real estate that has been adjusted to fair value. Foreclosed assets represent real estate which the Bank has taken control of in partial or full satisfaction of loans. At the time of foreclosure, other real estate owned is recorded at the lower of the carrying amount of the loan or fair value less costs to sell, which becomes the property’s new basis. Any write-downs based on the asset’s fair value at the date of acquisition are charged to the allowance for loan and lease losses. After foreclosure, management periodically performs valuations such that the real estate is carried at the lower of its new cost basis or fair value, net of estimated costs to sell. Fair value adjustments on other real estate owned are recognized within net loss on real estate owned. The loss represents impairments on non-covered other real estate owned for fair value adjustments based on the fair value of the real estate.

The Company’s property appraisals are primarily based on the sales comparison approach and income approach methodologies, which consider recent sales of comparable properties, including their income generating characteristics, and then make adjustments to reflect the general assumptions that a market participant would make when analyzing the property for purchase. These adjustments may increase or decrease an appraised value and can vary significantly depending on the location, physical characteristics and income producing potential of each property. Additionally, the quality and volume of market information available at the time of the appraisal can vary from period to period and cause significant changes to the nature and magnitude of comparable sale adjustments. Given these variations, comparable sale adjustments are generally not a reliable indicator for how fair value will increase or decrease from period to period. Under certain circumstances, management discounts are applied based on specific characteristics of an individual property.

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at March 31, 2013:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Impaired Originated & PNCI Loans	$	23,989	Sales comparison approach Income approach	Adjustment for differences between comparable sales Capitalization rate	0.0%-41.2%, 12.8% 6.7%-9.5%, 9.1%
Foreclosed assets	$	352	Sales comparison approach	Adjustment for differences between comparable sales	7.5%-7.5%, 7.5%

35

In addition to the methods and assumptions used to estimate the fair value of each class of financial instrument noted above, the following methods and assumptions were used to estimate the fair value of other classes of financial instruments for which it is practical to estimate the fair value.

Short-term Instruments—Cash and due from banks, fed funds purchased and sold, interest receivable and payable, and short-term borrowings are considered short-term instruments. For these short-term instruments their carrying amount approximates their fair value.

Restricted Equity Securities—The carrying value of restricted equity securities approximates fair value as the shares can only be redeemed by the issuing institution at par.

Originated and PNCI loans - The fair value of variable rate originated and PNCI loans is the current carrying value. The interest rates on these originated and PNCI loans are regularly adjusted to market rates. The fair value of other types of fixed rate originated and PNCI loans is estimated by discounting the future cash flows using current rates at which similar loans would be made to borrowers with similar credit ratings for the same remaining maturities. The allowance for loan losses is a reasonable estimate of the valuation allowance needed to adjust computed fair values for credit quality of certain originated and PNCI loans in the portfolio.

PCI Loans—PCI loans are measured at estimated fair value on the date of acquisition. Carrying value is calculated as the present value of expected cash flows and approximates fair value.

FDIC Indemnification Asset—The fair value of the FDIC indemnification asset is based on the discounted value of expected future cash flows under the loss-share agreement.

Deposit Liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. These values do not consider the estimated fair value of the Company’s core deposit intangible, which is a significant unrecognized asset of the Company. The fair value of time deposits and other borrowings is based on the discounted value of contractual cash flows.

Other Borrowings - The fair value of other borrowings is calculated based on the discounted value of the contractual cash flows using current rates at which such borrowings can currently be obtained.

Junior Subordinated Debentures—The fair value of junior subordinated debentures is estimated using a discounted cash flow model. The future cash flows of these instruments are extended to the next available redemption date or maturity date as appropriate based upon the spreads of recent issuances or quotes from brokers for comparable bank holding companies compared to the contractual spread of each junior subordinated debenture measured at fair value.

Commitments to Extend Credit and Standby Letters of Credit—The fair value of commitments is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present credit worthiness of the counter parties. For fixed rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligation with the counter parties at the reporting date.

Fair values for financial instruments are management’s estimates of the values at which the instruments could be exchanged in a transaction between willing parties. These estimates are subjective and may vary significantly from amounts that would be realized in actual transactions. In addition, other significant assets are not considered financial assets including, any mortgage banking operations, deferred tax assets, and premises and equipment. Further, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on the fair value estimates and have not been considered in any of these estimates.

36

The estimated fair values of financial instruments that are reported at amortized cost in the Corporation’s consolidated balance sheets, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value, were as follows (in thousands):

	March 31, 2013				December 31, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	70,023	$	70,023	$	81,086	$	81,086
Cash at Federal Reserve and other banks		732,248		732,248		667,813		667,813
Level 2 inputs:
Restricted equity securities		9,647		9,647		9,647		9,647
Loans held for sale		7,931		7,931		12,053		12,053
Accrued interest receivable		7,201		7,201		6,636		6,636
Level 3 inputs:
Loans, net		1,492,495		1,572,687		1,522,175		1,607,044
Indemnification asset		1,807		1,807		1,997		1,997
Financial liabilities:
Level 2 inputs:
Deposits		2,285,550		2,287,439		2,289,702		2,291,841
Accrued interest payable		975		975		1,036		1,036
Other borrowings		8,125		8,125		9,197		9,197
Junior subordinated debt		41,238		28,454		41,238		28,042
	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	559,162	$	5,592	$	557,254	$	5,573
Standby letters of credit		2,004		20		2,905		29
Overdraft privilege commitments		71,288		713		69,675		697

37

Note 28—TriCo Bancshares Condensed Financial Statements (Parent Only)

Condensed Balance Sheets	March 31, 2013			December 31, 2012
	(In thousands)
Assets
Cash and Cash equivalents	$	2,497		$	2,511
Investment in Tri Counties Bank		273,794			267,118
Other assets		1,238			1,238
Total assets	$	277,529		$	270,867
Liabilities and shareholders’ equity
Other liabilities	$	261		$	270
Junior subordinated debt		41,238			41,238
Total liabilities		41,499			41,508
Shareholders’ equity:
Common stock, no par value: authorized 50,000,000 shares; issued and outstanding 16,005,191 and 16,000,838 shares, respectively		85,995			85,561
Retained earnings		148,497			141,639
Accumulated other comprehensive loss, net		1,538			2,159
Total shareholders’ equity		236,030			229,359
Total liabilities and shareholders’ equity	$	277,529		$	270,867
Condensed Statements of Income	Three months ended March 31,
	2013			2012
	(In thousands)
Interest expense	$	311		$	338
Administration expense		145			131
Loss before equity in net income of Tri Counties Bank		(456	)		(469	)
Equity in net income of Tri Counties Bank:
Distributed		1,700			1,625
Under distributed		7,041			2,583
Income tax benefit		192			192
Net income	$	8,477		$	3,931
Condensed Statements of Comprehensive Income	Three months ended March 31,
	2013			2012
	(In thousands)
Net income	$	8,477		$	3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period		(621	)		(153	)
Other comprehensive loss		(621	)		(153	)
Comprehensive income	$	7,856		$	3,778
Condensed Statements of Cash Flows	Three months ended March 31,
	2013			2012
	(In thousands)
Operating activities:
Net income	$	8,477		$	3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Under distributed equity in earnings of Tri Counties Bank		(7,041	)		(2,583	)
Stock option vesting expense		236			257
Stock option excess tax benefits		(20	)		—
Net change in other assets and liabilities		(245	)		(246	)
Net cash provided by operating activities		1,407			1,359
Investing activities: None
Financing activities:
Stock option excess tax benefits		20			—
Cash dividends paid — common		(1,441	)		(1,438	)
Net cash used for financing activities		(1,421	)		(1,438	)
Net change in cash and cash equivalents		(14	)		(79	)
Cash and cash equivalents at beginning of year		2,511			706
Cash and cash equivalents at end of year	$	2,497		$	627

38

Note 29—Regulatory Matters

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

Quantitative measures established by regulation to ensure capital adequacy require the Company to maintain minimum amounts and ratios (set forth in the table below) of total and Tier 1 capital to risk-weighted assets, and of Tier 1 capital to average assets. Management believes, as of March 31, 2013, that the Company meets all capital adequacy requirements to which it is subject.

As of March 31, 2013, the most recent notification from the FDIC categorized the Bank as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized the Bank must maintain minimum total risk-based, Tier 1 risk-based and Tier 1 leverage ratios as set forth in the table below. There are no conditions or events since that notification that Management believes have changed the institution’s category. The Bank’s actual capital amounts and ratios are also presented in the table.

	Actual					Minimum Capital Requirement					Minimum to be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2013:
Total Capital (to Risk Weighted Assets):
Consolidated	$	280,792		15.19	%		147,908		8.0	%		N/A		N/A
Tri Counties Bank	$	278,540		15.08	%		147,808		8.0	%	$	184,661		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	257,435		13.92	%		73,954		4.0	%		N/A		N/A
Tri Counties Bank	$	255,199		13.81	%		73,904		4.0	%	$	110,856		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	257,435		9.93	%		103,710		4.0	%		N/A		N/A
Tri Counties Bank	$	255,189		9.85	%		103,658		4.0	%	$	129,572		5.0	%
As of December 31, 2012:
Total Capital (to Risk Weighted Assets):
Consolidated	$	273,979		14.53	%	$	150,896		8.0	%		N/A		N/A
Tri Counties Bank	$	271,723		14.42	%	$	150,796		8.0	%	$	188,495		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	250,133		13.27	%	$	75,448		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		13.16	%	$	75,398		4.0	%	$	113,097		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	250,133		9.82	%	$	101,918		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		9.73	%	$	101,866		4.0	%	$	127,333		5.0	%

39

Note 30—Summary of Quarterly Results of Operations (unaudited)

The following table sets forth the results of operations for the quarters of 2012 and 2011, and is unaudited; however, in the opinion of Management, it reflects all adjustments (which include only normal recurring adjustments) necessary to present fairly the summarized results for such periods.

	2013 Quarters Ended
	December 31,	September 30,	June 30,	March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis				$	167
Discount accretion PCI – other					597
Discount accretion PNCI					766
Regular interest Purchased loans					3,074
All other loan interest income					19,468
Total loan interest income					24,072
Debt securities, dividends and interest bearing cash at Banks (not FTE)					1,734
Total interest income					25,806
Interest expense					1,237
Net interest income					24,569
Reversal of provision for loan losses					(1,108	)
Net interest income after provision for loan losses					25,677
Noninterest income					10,218
Noninterest expense					21,601
Income before income taxes					14,294
Income tax expense					5,817
Net income				$	8,477
Per common share:
Net income (diluted)				$	0.53
Dividends				$	0.09

	2012 Quarters Ended
	December 31,		September 30,		June 30,		March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis	$	42	$	24	$	108	$	18
Discount accretion PCI – other		979		1,192		886		776
Discount accretion PNCI		841		591		1,391		1,286
Regular interest Purchased loans		3,226		3,251		3,439		3,420
All other loan interest income		19,157		20,472		19,968		19,429
Total loan interest income		24,245		25,530		25,792		24,929
Debt securities, dividends and interest bearing cash at Banks (not FTE)		1,898		1,935		2,152		2,235
Total interest income		26,143		27,465		27,944		27,164
Interest expense		1,372		1,834		2,010		2,128
Net interest income		24,771		25,631		25,934		25,036
Provision for loan losses		1,524		532		3,371		3,996
Net interest income after provision for loan losses		23,247		25,099		22,563		21,040
Noninterest income		10,011		9,127		10,577		8,265
Noninterest expense		25,126		25,590		24,367		22,915
Income before income taxes		8,132		8,636		8,773		6,390
Income tax expense		3,410		3,616		3,452		2,459
Net income	$	4,722	$	5,020	$	5,321	$	3,931
Per common share:
Net income (diluted)	$	0.29	$	0.31	$	0.33	$	0.25
Dividends	$	0.09	$	0.09	$	0.09	$	0.09

40

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

General

As TriCo Bancshares (referred to in this report as “we”, “our” or the “Company”) has not commenced any business operations independent of Tri Counties Bank (the “Bank”), the following discussion pertains primarily to the Bank. Average balances, including such balances used in calculating certain financial ratios, are generally comprised of average daily balances for the Company. Within Management’s Discussion and Analysis of Financial Condition and Results of Operations, interest income and net interest income are generally presented on a fully tax-equivalent (FTE) basis. The presentation of interest income and net interest income on a FTE basis is a common practice within the banking industry. Interest income and net interest income are shown on a non-FTE basis in the Part I – Financial Information section of this Form 10-Q, and a reconciliation of the FTE and non-FTE presentations is provided below in the discussion of net interest income.

Critical Accounting Policies and Estimates

There have been no changes to the Company’s critical accounting policies during the three months ended March 31, 2013.

The Company’s discussion and analysis of its financial condition and results of operations are based upon the Company’s consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On an on-going basis, the Company evaluates its estimates, including those that materially affect the financial statements and are related to the adequacy of the allowance for loan losses, investments, mortgage servicing rights, fair value measurements, retirement plans and intangible assets. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. The Company’s policies related to estimates on the allowance for loan losses, other than temporary impairment of investments and impairment of intangible assets, can be found in Note 1 in the financial statements at Item 8 of this report.

As the Company has not commenced any business operations independent of the Bank, the following discussion pertains primarily to the Bank. Average balances, including balances used in calculating certain financial ratios, are generally comprised of average daily balances for the Company. Within Management’s Discussion and Analysis of Financial Condition and Results of Operations, certain performance measures including interest income, net interest income, net interest yield, and efficiency ratio are generally presented on a fully tax-equivalent (FTE) basis. The Company believes the use of these non-generally accepted accounting principles (non-GAAP) measures provides additional clarity in assessing its results.

On September 23, 2011, the California Department of Financial Institutions closed Citizens Bank of Northern California (“Citizens”), Nevada City, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Citizens from the FDIC under a whole bank purchase and assumption agreement without loss sharing.

On May 28, 2010, the Office of the Comptroller of the Currency closed Granite Community Bank (“Granite”), Granite Bay, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Granite from the FDIC under a whole bank purchase and assumption agreement with loss sharing. Under the terms of the loss sharing agreement, the FDIC will cover a substantial portion of any future losses on loans, related unfunded loan commitments, other real estate owned (OREO)/foreclosed assets and accrued interest on loans for up to 90 days. The FDIC will absorb 80% of losses and share in 80% of loss recoveries on the covered assets acquired from Granite. The loss sharing arrangements for non-single family residential and single family residential loans are in effect for 5 years and 10 years, respectively, and the loss recovery provisions are in effect for 8 years and 10 years, respectively, from the acquisition date.

The Company refers to loans and foreclosed assets that are covered by loss sharing agreements as “covered loans” and “covered foreclosed assets”, respectively. In addition, the Company refers to loans purchased or obtained in a business combination as “purchased credit impaired” (PCI) loans, or “purchased non-credit impaired” (PNCI) loans. The Company refers to loans that it originates as “originated” loans. Additional information regarding the Citizens and Granite Bank acquisitions can be found in Note 2 in the financial statements at Item 8 of this report. Additional information regarding the definitions and accounting for originated, PNCI and PCI loans can be found in Notes 1, 2, 4 and 5 in the financial statements at Item 8 of this report, and under the heading Asset Quality and Non-Performing Assets below.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s loans, the Company has defined northern California as that area of California north of, and including, Stockton; central California as that area of the State south of Stockton, to and including, Bakersfield; and southern California as that area of the State south of Bakersfield.

41

TRICO BANCSHARES

Financial Summary

(In thousands, except per share amounts; unaudited)

	Three months ended March 31,
	2012			2011
Net Interest Income (FTE)	$	24,630		$	25,101
Benefit (provision) for loan losses		1,108			(3,996	)
Noninterest income		10,218			8,265
Noninterest expense		(21,601	)		(22,915	)
Provision for income taxes (FTE)		(5,878	)		(2,524	)
Net income	$	8,477		$	3,931
Earnings per share:
Basic	$	0.53		$	0.25
Diluted	$	0.53		$	0.25
Per share:
Dividends paid	$	0.09		$	0.09
Book value at period end	$	14.75		$	13.71
Tangible book value at period end	$	13.71		$	12.66
Average common shares outstanding		16,002			15,979
Average diluted common shares outstanding		16,091			16,043
Shares outstanding at period end		16,005			15,979
At period end:
Loans, net	$	1,492,495		$	1,465,633
Total assets		2,612,433			2,532,908
Total deposits		2,285,550			2,169,746
Other borrowings		8,125			69,074
Junior subordinated debt		41,238			41,238
Shareholders’ equity	$	236,030		$	219,038
Financial Ratios:
During the period (annualized):
Return on assets		1.30	%		0.63	%
Return on equity		14.51	%		7.14	%
Net interest margin1		4.05	%		4.30	%
Net loan charge-offs to average loans		0.43	%		1.17	%
Efficiency ratio1		62.0	%		68.7	%
Average equity to average assets		8.95	%		8.76	%
At period end:
Equity to assets		9.03	%		8.65	%
Total capital to risk-adjusted assets		15.19	%		14.28	%
Allowance for losses to loans2		2.81	%		3.01	%

¹  Fully taxable equivalent (FTE)

²  Allowance for losses includes allowance for loan losses and reserve for unfunded commitments.

42

Results of Operations

Overview

The following discussion and analysis is designed to provide a better understanding of the significant changes and trends related to the Company and the Bank’s financial condition, operating results, asset and liability management, liquidity and capital resources and should be read in conjunction with the Condensed Consolidated Financial Statements of the Company and the Notes thereto located at Item 1 of this report.

Following is a summary of the components of fully taxable equivalent (“FTE”) net income for the periods indicated (dollars in thousands):

	Three months ended March 31,
	2013			2012
Net Interest Income (FTE)	$	24,630		$	25,101
Benefit from (provision for) loan losses		1,108			(3,996	)
Noninterest income		10,218			8,265
Noninterest expense		(21,601	)		(22,915	)
Provision for income taxes (FTE)		(5,878	)		(2,524	)
Net income	$	8,477		$	3,931

Net Interest Income

The Company’s primary source of revenue is net interest income, or the difference between interest income on interest-earning assets and interest expense on interest-bearing liabilities. Following is a summary of the components of net interest income for the periods indicated (dollars in thousands):

	Three months ended March 31,
	2013			2012
Interest income	$	25,806		$	27,164
Interest expense		(1,237	)		(2,128	)
FTE adjustment		61			65
Net interest income (FTE)	$	24,630		$	25,101
Net interest margin (FTE)		4.05	%		4.30	%

Net interest income (FTE) during the first quarter of 2013 decreased $471,000 (1.9%) from the same period in 2012 to $24,630,000. The decrease in net interest income (FTE) was due primarily to a 31 basis point decrease in average yield on loans, and a $69,357,000 decrease in average balance of investments, that were partially offset by a $21,019,000 increase in the average balance of loans, and a $61,916,000 decrease in the average balance of other borrowings. The 31 basis point decrease in average loan yields reduced net interest income by $1,200,000 while the decrease in average investment balances reduced net interest income by $549,000 from the year ago period. The increase in average loan balances added $343,000 to net interest income, and the decrease in average other borrowings added $536,000 to net interest income when compared to the year ago period. Accretion of loan purchase discounts totaling $1,530,000 and $2,080,000 are included in net interest income for the three months ended March 31, 2013 and 2012, respectively. For more information related to the loan interest income and loan purchase discount accretion, see Note 30 to the consolidated financial statements at Part I, Item 1 of this report. The Company’s ability to deploy excess deposits into some interest-earning asset other than short-term low-yield interest-earning cash at the Federal Reserve Bank has been limited. This limitation is the result of weak loan demand and investment and loan yields that have been relatively low given their credit and interest rate risk profiles.

43

Summary of Average Balances, Yields/Rates and Interest Differential

The following table presents, for the periods indicated, information regarding the Company’s consolidated average assets, liabilities and shareholders’ equity, the amounts of interest income from average interest-earning assets and resulting yields, and the amount of interest expense paid on interest-bearing liabilities. Average loan balances include nonperforming loans. Interest income includes proceeds from loans on nonaccrual loans only to the extent cash payments have been received and applied to interest income. Yields on securities and certain loans have been adjusted upward to reflect the effect of income thereon exempt from federal income taxation at the current statutory tax rate (dollars in thousands).

	For the three months ended
	March 31, 2013							March 31, 2012
	Average Balance		Interest Income/ Expense		Rates Earned /Paid			Average Balance		Interest Income/ Expense		Rates Earned /Paid
Assets:
Loans	$	1,548,565	$	24,072		6.22	%	$	1,527,536	$	24,929		6.53	%
Investment securities—taxable		156,057		1,187		3.04	%		224,737		1,759		3.13	%
Investment securities—nontaxable		8,884		162		7.29	%		9,561		173		7.24	%
Cash at Federal Reserve and other banks		721,424		446		0.25	%		573,008		368		0.26	%
Total interest-earning assets		2,434,930		25,867		4.25	%		2,334,842		27,229		4.66	%
Other assets		174,864							179,699
Total assets	$	2,609,794						$	2,514,541
Liabilities and shareholders’ equity:
Interest-bearing demand deposits	$	520,507		141		0.11	%	$	439,786		217		0.20	%
Savings deposits		782,173		271		0.14	%		790,590		297		0.15	%
Time deposits		333,556		513		0.62	%		402,985		670		0.67	%
Other borrowings		8,188		1		0.05	%		70,104		606		3.46	%
Junior subordinated debt		41,238		311		3.02	%		41,238		338		3.28	%
Total interest-bearing liabilities		1,685,662		1,237		0.29	%		1,744,703		2,128		0.49	%
Noninterest-bearing deposits		651,303							515,851
Other liabilities		39,150							33,621
Shareholders’ equity		233,679							220,366
Total liabilities and shareholders’ equity	$	2,609,794							2,514,541
Net interest spread(1)						3.96	%						4.17	%
Net interest income and interest margin(2)			$	24,630		4.05	%			$	25,101		4.30	%

⁽¹⁾  Net interest spread represents the average yield earned on interest-earning assets minus the average rate paid on interest-bearing liabilities.

⁽²⁾  Net interest margin is computed by calculating the difference between interest income and interest expense, divided by the average balance of interest-earning assets.

Summary of Changes in Interest Income and Expense due to Changes in Average Asset and Liability Balances and Yields Earned and Rates Paid

The following table sets forth a summary of the changes in interest income and interest expense from changes in average asset and liability balances (volume) and changes in average interest rates for the periods indicated. Changes not solely attributable to volume or rates have been allocated in proportion to the respective volume and rate components (in thousands).

	Three months ended March 31, 2013 compared with three months ended March 31, 2012
	Volume			Rate			Total
Increase (decrease) in interest income:
Loans	$	343		$	(1,200	)	$	(857	)
Investment securities		(549	)		(34	)		(583	)
Cash at Federal Reserve and other banks		96			(18	)		78
Total interest-earning assets		(110	)		(1,252	)		(1,362	)
Increase (decrease) in interest expense:
Interest-bearing demand deposits		40			(116	)		(76	)
Savings deposits		(3	)		(23	)		(26	)
Time deposits		(116	)		(41	)		(157	)
Other borrowings		(536	)		(69	)		(605	)
Junior subordinated debt		—			(27	)		(27	)
Total interest-bearing liabilities		(615	)		(276	)		(891	)
Increase (decrease) in Net Interest Income	$	505		$	(976	)	$	(471	)

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Provision for Loan Losses

The provision for loan losses during any period is simply the sum of the allowance for loan losses required at the end of the period and any loan charge offs during the period, less the allowance for loan losses required at the beginning of the period, and less any loan recoveries during the period. See the Tables labeled “Allowance for loan losses – As of and three months ended March 31, 2013 and 2012” at Note 5 of Item 1 of this report for the components that make up the provision for loan losses for the three months ended March 31, 2013 and 2012.

The Company benefited from a $1,108,000 reversal of provision for loan losses in the first quarter of 2013 versus a $1,524,000 provision for loan losses in the fourth quarter of 2012, and a $3,996,000 provision for loan losses in the first quarter of 2012. As shown in the Table labeled “Allowance for loan losses – As of and three months ended March 31, 2013” at Note 5 of Item 1 of this report, all categories of loans except commercial real estate mortgage and C&I experienced a reversal of provision for loan losses during the three months ended March 31, 2013. These reversals of provision for loan losses during the first quarter of 2013 were due primarily to a decrease in the required allowance for loan losses as of March 31, 2013 when compared to the required allowance for loan losses as of December 31, 2012. The decrease in the required allowance for loan losses during the quarter ended March 31, 2013 was due primarily to reduced impaired loans, improvements in estimated cash flows and collateral values for the remaining and new impaired loans, and reductions in historical loss factors that, in part, determine the required loan loss allowance for performing loans in accordance with the Company’s allowance for loan losses methodology as described under the heading “Loans and Allowance for Loan Losses” at Note 1 of Item 1 of this report. These same factors were also present, to some extent, for commercial real estate mortgage and C&I loans, but were not sufficient to overcome the impact of the required additional reserves for new impaired loans in these categories during the three months ended March 31, 2013. For details of the change in nonperforming loans during the three months ended March 31, 2013 see the Table labeled “Changes in nonperforming assets during the three months ended March 31, 2013” under the heading “Asset Quality and Non-Performing Assets” below.

The provision for loan losses related to Originated and PNCI loans is based on management’s evaluation of inherent risks in these loan portfolios and a corresponding analysis of the allowance for loan losses. The provision for loan losses related to PCI loan portfolio is based on changes in estimated cash flows expected to be collected on PCI loans. Additional discussion on loan quality, our procedures to measure loan impairment, and the allowance for loan losses is provided under the heading “Asset Quality and Non-Performing Assets” below.

Management re-evaluates the loss ratios and other assumptions used in its calculation of the allowance for loan losses for its Originated and PNCI loan portfolios and makes changes as appropriate based upon, among other things, changes in loss rates experienced, collateral support for underlying loans, changes and trends in the economy, and changes in the loan mix. Management also re-evaluates expected cash flows used in its accounting for its PCI loan portfolio, including any required allowance for loan losses, on a quarterly basis and makes changes as appropriate based upon, among other things, changes in loan repayment experience, changes in loss rates experienced, and collateral support for underlying loans.

Noninterest Income

The following table summarizes the Company’s noninterest income for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Service charges on deposit accounts	$	3,140		$	3,527
ATM fees and interchange		1,875			1,819
Other service fees		559			603
Mortgage banking service fees		416			372
Change in value of mortgage servicing rights		(61	)		(369	)
Total service charges and fees		5,929			5,952
Gain on sale of loans		2,294			1,650
Commissions on sale of nondeposit investment products		761			819
Increase in cash value of life insurance		426			450
Change in indemnification asset		(101	)		(353	)
(Loss) gain on disposition of fore closed assets		551			(358	)
Other noninterest income		358			105
Total noninterest income	$	10,218		$	8,265

Noninterest income increased $1,953,000 (23.6%) to $10,218,000 in the three months ended March 31, 2013 when compared to the three months ended March 31, 2012. The increase in noninterest income was due primarily to a $909,000 increase in gain/loss on sale of foreclosed assets to $551,000, and a $644,000 increase in gain on sale of loans. The increase in gain on sale of foreclosed assets was due to a general increase in property values and sales activity from their lows during the financial crisis that started in 2008. The increase in gain on sale of loans was due to increased residential real estate loan refinance activity and our focus to service that activity.

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Noninterest Expense

The following table summarizes the Company’s noninterest expense for the periods indicated (dollars in thousands):

	Three months ended March 31,
	2013			2012
Salaries and related benefits:
Base salaries, net of deferred loan origination costs	$	8,348		$	8,159
Incentive compensation		1,286			1,375
Benefits and other compensation costs		3,327			3,228
Total salaries and related benefits		12,961			12,762
Other noninterest expense:
Occupancy		1,659			1,716
Equipment		1,034			1,117
Data processing and software		1,078			1,429
ATM network charges		496			567
Telecommunications		525			555
Postage		231			256
Courier service		167			189
Advertising and marketing		325			498
Assessments		606			606
Operational losses		117			116
Professional fees		486			423
Foreclosed asset expense		99			525
Provision for foreclosed asset losses		27			83
Change in reserve for unfunded commitments		(440	)		(190	)
Intangible amortization		52			53
Other		2,178			2,210
Total other noninterest expenses		8,640			10,153
Total noninterest expense	$	21,601		$	22,915
Average full time equivalent staff		743			731
Noninterest expense to revenue (FTE)		62.0	%		68.7	%

Salary and benefit expenses increased $199,000 (1.6%) to $12,961,000 during the three months ended March 31, 2013 compared to the three months ended March 31, 2012. Base salaries increased $189,000 (2.3%) to $8,348,000 during the three months ended March 31, 2013 versus the year ago period due mainly to a 1.7% increase in average full time equivalent staff to 743 and annual merit increases, that were substantially offset by a March 2012 reduction in temporary employee expense related to the Citizens acquisition in September 2011. Incentive and commission related salary expenses decreased $89,000 (6.5%) to $1,286,000 during three months ended March 31, 2013 due primarily to decreases in production related incentives. Benefits expense, including retirement, medical and workers’ compensation insurance, and taxes, increased $99,000 (3.1%) to $3,327,000 during the three months ended March 31, 2013 due primarily to the increase in average full time equivalent staff noted above.

Other noninterest expenses decreased $1,513,000 (14.9%) to $8,640,000 during the three months ended March 31, 2013 when compared to the three months ended March 31, 2012. The decrease in other noninterest expense was due primarily a $482,000 (79.3%) decrease in the provision for, and expenses related to, foreclosed assets, a $250,000 increase in reversal of provision for loan losses related to unfunded commitments from $190,000 to $440,000, a $216,000 (16.7%) decrease in data processing and software expense, and a $173,000 (34.7%) decrease in advertising and marketing expense. The decrease in foreclosed asset provision and expenses was due to increased property values and a reduction in foreclosed assets from $14,789,000 at March 31, 2012 to $6,124,000 at March 31, 2013. The increase in reversal of provision for loan losses related to unfunded commitments was due to a decrease in expected losses related to those commitments and the relative change in the amount unfunded commitment from year the previous year end. The decrease in data processing and software expense was due primarily to the absence of expenses associated with the system conversion in March 2012 from the Citizens acquisition in September 2011, and cost savings efforts in this area. The decrease in advertising and marketing expense from the year ago period was due to cost savings efforts in this area.

Income Taxes

The effective combined Federal and State income tax rate on income was 40.7% and 38.5% for the three months ended March 31, 2013 and 2012, respectively. The effective combined Federal and State income tax rate was greater than the Federal statutory tax rate of 35.0% due to State income tax expense of $1,488,000 and $623,000, respectively, in these periods. Tax-exempt income of $101,000 and $108,000, respectively, from investment securities, and $427,000 and $450,000, respectively, from increase in cash value of life insurance in these periods helped to reduce the effective combined Federal and State income tax rate from the combined Federal and State statutory income tax rate of approximately 42.0%. When comparing the three months ended March 31, 2013 to the three monts ended March 31, 2012, increaed net income before tax lessened the impact of tax exempt income in reducing the effective combined Federal and State income tax rate.

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Financial Condition

Investment Securities

Investment securities available for sale decreased $18,573,000 to $144,454,000 as of March 31, 2013, as compared to December 31, 2012. This decrease is attributable to maturities of $17,286,000, a decrease in fair value of investments securities available for sale of $1,073,000, and amortization of net purchase price premiums of $214,000.

The following table presents the available for sale investment securities portfolio by major type as of March 31, 2013 and December 31, 2012:

(In thousands)	March 31, 2013					December 31, 2012
	Fair Value		%			Fair Value		%
Securities Available-for-Sale:
Obligations of U.S. government corporations and agencies	$	133,964		92.8	%	$	151,701		93.1	%
Obligations of states and political subdivisions		8,578		5.9	%		9,421		5.8	%
Corporate debt securities		1,912		1.3	%		1,905		1.1	%
Total securities available-for-sale	$	144,454		100.0	%	$	163,027		100.0	%

Additional information about the investment portfolio is provided in Note 3 of the Notes to Unaudited Condensed Consolidated Financial Statements at Iem 1 of this report.

Restricted Equity Securities

Restricted equity securities were $9,647,000 at March 31, 2013 and $9,647,000 at December 31, 2012. The entire balance of restricted equity securities at March 31, 2013 and December 31, 2012 represent the Bank’s investment in the Federal Home Loan Bank of San Francisco (“FHLB”).

FHLB stock is carried at par and does not have a readily determinable fair value. While technically these are considered equity securities, there is no market for the FHLB stock. Therefore, the shares are considered as restricted investment securities. Management periodically evaluates FHLB stock for other-than-temporary impairment. Management’s determination of whether these investments are impaired is based on its assessment of the ultimate recoverability of cost rather than by recognizing temporary declines in value. The determination of whether a decline affects the ultimate recoverability of cost is influenced by criteria such as (1) the significance of any decline in net assets of the FHLB as compared to the capital stock amount for the FHLB and the length of time this situation has persisted, (2) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLB, (3) the impact of legislative and regulatory changes on institutions and, accordingly, the customer base of the FHLB, and (4) the liquidity position of the FHLB.

As a member of the FHLB system, the Bank is required to maintain a minimum level of investment in FHLB stock based on specific percentages of its outstanding mortgages, total assets, or FHLB advances. The Bank may request redemption at par value of any stock in excess of the minimum required investment. Stock redemptions are at the discretion of the FHLB.

Loans

The Bank concentrates its lending activities in four principal areas: real estate mortgage loans (residential and commercial loans), consumer loans, commercial loans (including agricultural loans), and real estate construction loans. The interest rates charged for the loans made by the Bank vary with the degree of risk, the size and maturity of the loans, the borrower’s relationship with the Bank and prevailing money market rates indicative of the Bank’s cost of funds.

The majority of the Bank’s loans are direct loans made to individuals, farmers and local businesses. The Bank relies substantially on local promotional activity and personal contacts by bank officers, directors and employees to compete with other financial institutions. The Bank makes loans to borrowers whose applications include a sound purpose, a viable repayment source and a plan of repayment established at inception and generally backed by a secondary source of repayment.

The following table shows the Company’s loan balances, including net deferred loan costs, as of the dates indicated:

(In thousands)	March 31, 2013		December 31, 2012
Real estate mortgage	$	1,010,249	$	1,010,130
Consumer		376,063		386,111
Commercial		115,483		135,528
Real estate construction		30,567		33,054
Total loans	$	1,532,362	$	1,564,823

At March 31, 2013 loans, including net deferred loan costs, totaled $1,532,362,000 which was a $32,461,000 (2.1%) decrease over the balances at December 31, 2012. Demand for all categories of loans was weak during the three months ended March 31, 2013, and competition for that limited demand causes loan yields to decrease.

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The following table shows the Company’s loan balances, including net deferred loan costs, as a percentage of total loans for the periods indicated:

	March 31, 2013			December 31, 2012
Real estate mortgage		65.9	%		64.5	%
Consumer		24.6	%		24.7	%
Commercial		7.5	%		8.7	%
Real estate construction		2.0	%		2.1	%
Total loans		100.0	%		100.0	%

Asset Quality and Nonperforming Assets

Nonperforming Assets

Loans originated by the Company, i.e., not purchased or acquired in a business combination, are referred to as originated loans. Originated loans are reported at the principal amount outstanding, net of deferred loan fees and costs. Loan origination and commitment fees and certain direct loan origination costs are deferred, and the net amount is amortized as an adjustment of the related loan’s yield over the actual life of the loan. Originated loans on which the accrual of interest has been discontinued are designated as nonaccrual loans.

Originated loans are placed in nonaccrual status when reasonable doubt exists as to the full, timely collection of interest or principal, or a loan becomes contractually past due by 90 days or more with respect to interest or principal and is not well secured and in the process of collection. When an originated loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed. Income on such loans is then recognized only to the extent that cash is received and where the future collection of principal is probable. Interest accruals are resumed on such loans only when they are brought fully current with respect to interest and principal and when, in the judgment of Management, the loan is estimated to be fully collectible as to both principal and interest.

An allowance for loan losses for originated loans is established through a provision for loan losses charged to expense. Originated loans and deposit related overdrafts are charged against the allowance for loan losses when Management believes that the collectability of the principal is unlikely or, with respect to consumer installment loans, according to an established delinquency schedule. The allowance is an amount that Management believes will be adequate to absorb probable losses inherent in existing loans and leases, based on evaluations of the collectability, impairment and prior loss experience of loans and leases. The evaluations take into consideration such factors as changes in the nature and size of the portfolio, overall portfolio quality, loan concentrations, specific problem loans, and current economic conditions that may affect the borrower’s ability to pay. The Company defines an originated loan as impaired when it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired originated loans are measured based on the present value of expected future cash flows discounted at the loan’s original effective interest rate. As a practical expedient, impairment may be measured based on the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. When the measure of the impaired loan is less than the recorded investment in the loan, the impairment is recorded through a valuation allowance.

In situations related to originated loans where, for economic or legal reasons related to a borrower’s financial difficulties, the Company grants a concession for other than an insignificant period of time to the borrower that the Company would not otherwise consider, the related loan is classified as a troubled debt restructuring (TDR). The Company strives to identify borrowers in financial difficulty early and work with them to modify to more affordable terms before their loan reaches nonaccrual status. These modified terms may include rate reductions, principal forgiveness, payment forbearance and other actions intended to minimize the economic loss and to avoid foreclosure or repossession of the collateral. In cases where the Company grants the borrower new terms that result in the loan being classified as a TDR, the Company measures any impairment on the restructuring as noted above for impaired loans. TDR loans are classified as impaired until they are fully paid off or charged off. Loans that are in nonaccrual status at the time they become TDR loans, remain in nonaccrual status until the borrower demonstrates a sustained period of performance which the Company generally believes to be six consecutive months of payments, or equivalent. Otherwise, TDR loans are subject to the same nonaccrual and charge-off policies as noted above with respect to their restructured principal balance.

Credit risk is inherent in the business of lending. As a result, the Company maintains an allowance for loan losses to absorb losses inherent in the Company’s originated loan portfolio. This is maintained through periodic charges to earnings. These charges are included in the Consolidated Statements of Income as provision for loan losses. All specifically identifiable and quantifiable losses are immediately charged off against the allowance. However, for a variety of reasons, not all losses are immediately known to the Company and, of those that are known, the full extent of the loss may not be quantifiable at that point in time. The balance of the Company’s allowance for originated loan losses is meant to be an estimate of these unknown but probable losses inherent in the portfolio.

The Company formally assesses the adequacy of the allowance for originated loan losses on a quarterly basis. Determination of the adequacy is based on ongoing assessments of the probable risk in the outstanding originated loan portfolio, and to a lesser extent the Company’s originated loan commitments. These assessments include the periodic re-grading of credits based on changes in their individual credit characteristics including delinquency, seasoning, recent financial performance of the borrower, economic factors, changes in the interest rate environment, growth of the portfolio as a whole or by segment, and other factors as warranted. Loans are initially graded when originated. They are re-graded as they are renewed, when there is a new loan to the same borrower, when identified facts

48

demonstrate heightened risk of nonpayment, or if they become delinquent. Re-grading of larger problem loans occurs at least quarterly. Confirmation of the quality of the grading process is obtained by independent credit reviews conducted by consultants specifically hired for this purpose and by various bank regulatory agencies.

The Company’s method for assessing the appropriateness of the allowance for originated loan losses includes specific allowances for impaired originated loans and leases, formula allowance factors for pools of credits, and allowances for changing environmental factors (e.g., interest rates, growth, economic conditions, etc.). Allowance factors for loan pools were based on historical loss experience by product type and prior risk rating. During the three months ended March 31, 2012, management changed some of the assumptions utilized in the Allowance for Loan Losses estimate calculation. These changes were intended to more accurately reflect the current risk in the loan portfolio and to better estimate the losses inherent but not yet quantifiable. These changes included the conversion to a historical loss migration analysis intended to better determine the appropriate formula reserve ratio by loan category and risk rating, the addition of an environmental factor related to the delinquency rate of loans not classified as impaired by loan category, the elimination of an unspecified reserve allocation previously intended to account for imprecision inherent in the overall calculation, and the reclassification of risk rating of certain consumer loans based on current credit score in an attempt to better identify the risk in the portfolio. The financial effect of these changes resulted in a net reduction in the calculated Allowance for Loan Losses of $1,388,000 during the three months ended March 31, 2012. Allowances for impaired loans are based on analysis of individual credits. Allowances for changing environmental factors are Management’s best estimate of the probable impact these changes have had on the originated loan portfolio as a whole. The allowance for originated loans is included in the allowance for loan losses.

Loans purchased or acquired in a business combination are referred to as acquired loans. Acquired loans are valued as of acquisition date in accordance with Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) Topic 805, Business Combinations. Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are referred to as purchased credit impaired (PCI) loans. PCI loans are accounted for under FASB ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. Under FASB ASC Topic 805 and FASB ASC Topic 310-30, PCI loans are recorded at fair value at acquisition date, factoring in credit losses expected to be incurred over the life of the loan. Accordingly, an allowance for loan losses is not carried over or recorded as of the acquisition date. Fair value is defined as the present value of the future estimated principal and interest payments of the loan, with the discount rate used in the present value calculation representing the estimated effective yield of the loan. Default rates, loss severity, and prepayment speed assumptions are periodically reassessed and our estimate of future payments is adjusted accordingly. The difference between contractual future payments and estimated future payments is referred to as the nonaccretable difference. The difference between estimated future payments and the present value of the estimated future payments is referred to as the accretable yield. The accretable yield represents the amount that is expected to be recorded as interest income over the remaining life of the loan. If after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be more than the originally estimated, an increase in the discount rate (effective yield) would be made such that the newly increased accretable yield would be recognized, on a level yield basis, over the remaining estimated life of the loan. If, after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be less than the previously estimated, the discount rate would first be reduced until the present value of the reduced cash flow estimate equals the previous present value however, the discount rate may not be lowered below its original level at acquisition. If the discount rate has been lowered to its original level and the present value has not been sufficiently lowered, an allowance for loan loss would be established through a provision for loan losses charged to expense to decrease the present value to the required level. If the estimated cash flows improve after an allowance has been established for a loan, the allowance may be partially or fully reversed depending on the improvement in the estimated cash flows. Only after the allowance has been fully reversed may the discount rate be increased. PCI loans are put on nonaccrual status when cash flows cannot be reasonably estimated. PCI loans on nonaccrual status are accounted for using the cost recovery method or cash basis method of income recognition. PCI loans are charged off when evidence suggests cash flows are not recoverable. Foreclosed assets from PCI loans are recorded in foreclosed assets at fair value with the fair value at time of foreclosure representing cash flow from the loan. ASC 310-30 allows PCI loans with similar risk characteristics and acquisition time frame to be “pooled” and have their cash flows aggregated as if they were one loan. The Company elected to use the “pooled” method of ASC 310-30 for PCI – other loans in the acquisition of certain assets and liabilities of Granite Community Bank (“Granite”) and Citizens Bank of Northern California (“Citizens”).

Acquired loans that are not PCI loans are referred to as purchased not credit impaired (PNCI) loans. PNCI loans are accounted for under FASB ASC Topic 310-20, Receivables – Nonrefundable Fees and Other Costs, in which interest income is accrued on a level-yield basis for performing loans. For income recognition purposes, this method assumes that all contractual cash flows will be collected, and no allowance for loan losses is established at the time of acquistion. Post-acquisition date, an allowance for loan losses may need to be established for acquired loans through a provision charged to earnings for credit losses incurred subsequent to acquisition. Under ASC 310-20, the loss would be measured based on the probable shortfall in relation to the contractual note requirements, consistent with our allowance for loan loss policy for similar loans.

When referring to PNCI and PCI loans we will use the terms “nonaccretable difference”, “accretable yield”, or “purchase discount”. Nonaccretable difference is the difference between undiscounted contractual cash flows due and undiscounted cash flows we expect to collect, or put another way, it is the undiscounted contractual cash flows we do not expect to collect. Accretable yield is the difference between undiscounted cash flows we expect to collect and the value at which we have recorded the loan on our financial statements. On the date of acquisition, all purchased loans are recorded on our consolidated financial statements at estimated fair value. Purchase discount is the difference between the estimated fair value of loans on the date of acquisition and the principal amount owed by the borrower, net of charge offs, on the date of acquisition. We may also refer to “discounts to principal balance of loans owed, net of charge-offs”. Discounts to principal balance of loans owed, net of charge-offs is the difference between principal balance of loans owed, net of charge-offs, and loans as recorded on our financial statements. Discounts to principal balance of loans owed, net of charge-offs arise from purchase discounts, and equal the purchase discount on the acquisition date.

49

Loans are also categorized as “covered” or “noncovered”. Covered loans refer to loans covered by a Federal Deposit Insurance Corporation (“FDIC”) loss sharing agreement. Noncovered loans refer to loans not covered by a FDIC loss sharing agreement.

Originated loans and PNCI loans are reviewed on an individual basis for reclassification to nonaccrual status when any one of the following occurs: the loan becomes 90 days past due as to interest or principal, the full and timely collection of additional interest or principal becomes uncertain, the loan is classified as doubtful by internal credit review or bank regulatory agencies, a portion of the principal balance has been charged off, or the Company takes possession of the collateral. Loans that are placed on nonaccrual even though the borrowers continue to repay the loans as scheduled are classified as “performing nonaccrual” and are included in total nonperforming loans. The reclassification of loans as nonaccrual does not necessarily reflect Management’s judgment as to whether they are collectible.

Interest income on originated nonaccrual loans that would have been recognized during the months ended March 31, 2013 and 2012, if all such loans had been current in accordance with their original terms, totaled $1,129,000 and $1,587,000, respectively. Interest income actually recognized on these originated loans during the three months ended March 31, 2013 and 2012 was $30,000 and $30,000, respectively. Interest income on PNCI nonaccrual loans that would have been recognized during the three months ended March 31, 2013 and 2012, if all such loans had been current in accordance with their original terms, totaled $67,000 and $65,000, respectively. Interest income actually recognized on these PNCI loans during the three months ended March 31, 2013 and 2012 was $4,000 and $34,000.

The Company’s policy is to place originated loans and PNCI loans 90 days or more past due on nonaccrual status. In some instances when an originated loan is 90 days past due Management does not place it on nonaccrual status because the loan is well secured and in the process of collection. A loan is considered to be in the process of collection if, based on a probable specific event, it is expected that the loan will be repaid or brought current. Generally, this collection period would not exceed 30 days. Loans where the collateral has been repossessed are classified as foreclosed assets.

Management considers both the adequacy of the collateral and the other resources of the borrower in determining the steps to be taken to collect nonaccrual loans. Alternatives that are considered are foreclosure, collecting on guarantees, restructuring the loan or collection lawsuits.

The following tables set forth the amount of the Bank’s nonperforming assets as of the dates indicated. For purposes of the following table, “PCI – other” loans that are 90 days past due and still accruing are not considered nonperforming loans. “Performing nonaccrual loans” are loans that may be current for both principal and interest payments, or are less than 90 days past due, but for which payment in full of both principal and interest is not expected, and are not well secured and in the process of collection:

	March 31, 2013			December 31, 2012
(In thousands)
Performing nonaccrual loans	$	50,192		$	49,045
Nonperforming nonaccrual loans		13,581			23,471
Total nonaccrual loans		63,773			72,516
Originated and PNCI loans 90 days past due and still accruing		190			—
Total nonperforming loans		63,963			72,516
Noncovered foreclosed assets		4,587			5,957
Covered foreclosed assets		1,537			1,541
Total nonperforming assets	$	70,087		$	80,014
U.S. government, including its agencies and its government-sponsored agencies, guaranteed portion of nonperforming loans	$	108		$	131
Indemnified portion of covered foreclosed assets	$	1,230		$	1,233
Nonperforming assets to total assets		2.68	%		3.07	%
Nonperforming loans to total loans		4.17	%		4.63	%
Allowance for loan losses to nonperforming loans		62	%		59	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		5.12	%		5.30	%

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The following tablee sets forth the amount of the Bank’s nonperforming assets as of the dates indicated. For purposes of the following table, PCI loans that are ninety days past due and still accruing are not considered nonperforming loans:

	March 31, 2013
(In thousands)	Originated			PNCI			PCI –cash basis			PCI -other			Total
Performing nonaccrual loans	$	41,075		$	1,660		$	7,457			—		$	50,192
Nonperforming nonaccrual loans		13,498			43			40			—			13,581
Total nonaccrual loans		54,573			1,703			7,497			—			63,773
Originated and PNCI loans 90 days past due and still accruing		190			—			—			—			190
Total nonperforming loans		54,763			1,703			7,497			—			63,963
Non covered foreclosed assets		3,565			—			—			1,022			4,587
Covered foreclosed assets		—			—			—			1,537			1,537
Total nonperforming assets	$	58,328		$	1,703		$	7,497		$	2,559		$	70,087
U.S. government, including its agencies and its government-sponsored agencies, guaranteed portion of nonperforming loans	$	108			—			—			—		$	108
Indemnified portion of covered foreclosed assets		—			—			—		$	1,230		$	1,230
Nonperforming assets to total assets														2.68	%
Nonperforming loans to total loans		3.99	%		1.80	%		100	%		0.00	%		4.17	%
Allowance for loan losses to nonperforming loans		60	%		168	%		14	%		n/m			62	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		2.59	%		14.31	%		65.62	%		24.20	%		5.12	%
	December 31, 2012
(In thousands)	Originated			PNCI			PCI –cash basis			PCI -other			Total
Performing nonaccrual loans	$	38,646		$	1,428		$	8,971			—		$	49,045
Nonperforming nonaccrual loans		23,123			348			—			—			23,471
Total nonaccrual loans		61,769			1,776			8,971			—			72,516
Originated and PNCI loans 90 days past due and still accruing		—			—			—			—			—
Total nonperforming loans		61,769			1,776			8,971			—			72,516
Non covered foreclosed assets		5,172			—			—			785			5,957
Covered foreclosed assets		—			—			—			1,541			1,541
Total nonperforming assets	$	66,941		$	1,776		$	8,971		$	2,326		$	80,014
U.S. government, including its agencies and its government-sponsored agencies, guaranteed portion of nonperforming loans	$	131			—			—			—		$	131
Indemnified portion of covered foreclosed assets		—			—			—		$	1,233		$	1,233
Nonperforming assets to total assets														3.07	%
Nonperforming loans to total loans		4.42	%		1.81	%		100.00	%		—			4.63	%
Allowance for loan losses to nonperforming loans		58	%		111	%		12	%		n/m			59	%
Allowance for loan losses, unamortized loan fees, and discounts to loan principal balances owed		2.76	%		13.78	%		61.60	%		24.63	%		5.30	%
n/m – not meaningful

51

The following table and narrative describe the activity in the balance of nonperforming assets during the three-month period ended March 31, 2013:

Changes in nonperforming assets during the three months ended March 31, 2013

(In thousands):	Balance at March 31, 2013		New NPA		Advances/ Capitalized Costs		Pay- downs / Sales			Charge-offs/ Write-downs			Transfers to Foreclosed Assets			Category Changes			Balance at December 31, 2012
Real estate mortgage:
Residential	$	4,570	$	9	$	5	($	97	)	($	7	)	($	234	)		—		$	4,894
Commercial		36,064		2,724		—		(2,740	)		(803	)		(2,844	)		—			39,727
Consumer
Home equity lines		14,968		739		27		(962	)		(766	)		(510	)		(60	)		16,500
Home equity loans		563		26		—		(11	)		(26	)		—			60			514
Auto indirect		167		48		1		(31	)		(25	)		—			—			174
Other consumer		68		84		—		(19	)		(89	)		—			—			92
Commercial		4,167		613		—		(396	)		(790	)		(2,115	)		84			6,771
Construction:
Residential		3,126		9		—		(141	)		(20	)		(34	)		—			3,312
Commercial		270		47		—		(164	)		(61	)		—			(84	)		532
Total nonperforming loans		63,963		4,299		33		(4,561	)		(2,587	)		(5,737	)		—			72,516
Noncovered foreclosed assets		4,587						(6,816	)		(27	)		5,473			—			5,957
Covered foreclosed assets		1,537						(268	)					264			—			1,541
Total nonperforming assets	$	70,087	$	4,299	$	33	($	11,645	)	($	2,614	)		—			—		$	80,014

Nonperforming assets decreased during the first quarter of 2013 by $9,927,000 (12.4%) to $70,087,000 at March 31, 2013 compared to $80,014,000 at December 31, 2012. The decrease in nonperforming assets during the first quarter of 2013 was primarily the result of new nonperforming loans of $4,299,000, advances on existing nonperforming loans and capitalized costs on foreclosed assets of $33,000, less pay-downs or upgrades of nonperforming loans to performing status totaling $4,561,000, less dispositions of foreclosed assets totaling $7,084,000, less loan charge-offs of $2,587,000, and less write-downs of foreclosed assets of $27,000.

The primary causes of the $4,299,000 in new nonperforming loans during the first quarter of 2013 were increases of $9,000 on one residential real estate loan, $2,724,000 on six commercial real estate loans, $766,000 on 20 home equity lines and loans, $48,000 on eight indirect auto loans, $84,000 on 21 consumer loans, $613,000 on 14 C&I loans, $9,000 on one residential construction loan, and $47,000 on one commercial construction loan.

The $2,724,000 in new nonperforming commercial real estate loans was primarily comprised of one loan totaling $2,133,000 secured by a commercial retail building in northern California, and a $354,000 loan secured by a commercial office building in northern California.

Loan charge-offs during the three months ended March 31, 2013

In the first quarter of 2013, the Company recorded $2,587,000 in loan charge-offs and $184,000 in deposit overdraft charge-offs less $900,000 in loan recoveries and $198,000 in deposit overdraft recoveries resulting in $1,673,000 of net charge-offs. Primary causes of the charges taken in the first quarter of 2013 were gross charge-offs of $7,000 on one residential real estate loan, $803,000 on five commercial real estate loans, $792,000 on 22 home equity lines and loans, $25,000 on eight auto indirect loans, $89,000 on 24 other consumer loans, $613,000 on 15 C&I loans, $20,000 on two residential construction loans, and $61,000 on two commercial construction loans.

The $803,000 in charge-offs the bank took in its commercial real estate portfolio was primarily the result of a $734,000 charge on a loan secured by a commercial warehouse in central California. The remaining $69,000 was spread over four loans spread throughout the Company’s footprint.

Differences between the amounts explained in this section and the total charge-offs listed for a particular category are generally made up of individual charges of less than $250,000 each. Generally losses are triggered by non-performance by the borrower and calculated based on any difference between the current loan amount and the current value of the underlying collateral less any estimated costs associated with the disposition of the collateral.

52

Allowance for Loan Losses

The Company’s allowance for loan losses is comprised of allowances for originated, PNCI and PCI loans. All such allowances are established through a provision for loan losses charged to expense.

Originated and PNCI loans, and deposit related overdrafts are charged against the allowance for originated loan losses when Management believes that the collectability of the principal is unlikely or, with respect to consumer installment loans, according to an established delinquency schedule. The allowances for originated and PNCI loan losses are amounts that Management believes will be adequate to absorb probable losses inherent in existing originated loans, based on evaluations of the collectability, impairment and prior loss experience of those loans and leases. The evaluations take into consideration such factors as changes in the nature and size of the portfolio, overall portfolio quality, loan concentrations, specific problem loans, and current economic conditions that may affect the borrower’s ability to pay. The Company defines an originated or PNCI loan as impaired when it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired originated and PNCI loans are measured based on the present value of expected future cash flows discounted at the loan’s original effective interest rate. As a practical expedient, impairment may be measured based on the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. When the measure of the impaired loan is less than the recorded investment in the loan, the impairment is recorded through a valuation allowance.

In situations related to originated and PNCI loans where, for economic or legal reasons related to a borrower’s financial difficulties, the Company grants a concession for other than an insignificant period of time to the borrower that the Company would not otherwise consider, the related loan is classified as a troubled debt restructuring (TDR). The Company strives to identify borrowers in financial difficulty early and work with them to modify to more affordable terms before their loan reaches nonaccrual status. These modified terms may include rate reductions, principal forgiveness, payment forbearance and other actions intended to minimize the economic loss and to avoid foreclosure or repossession of the collateral. In cases where the Company grants the borrower new terms that provide for a reduction of either interest or principal, the Company measures any impairment on the restructuring as noted above for impaired loans. TDR loans are classified as impaired until they are fully paid off or charged off. Loans that are in nonaccrual status at the time they become TDR loans, remain in nonaccrual status until the borrower demonstrates a sustained period of performance which the Company generally believes to be six consecutive months of payments, or equivalent. Otherwise, TDR loans are subject to the same nonaccrual and charge-off policies as noted above with respect to their restructured principal balance.

Credit risk is inherent in the business of lending. As a result, the Company maintains an allowance for loan losses to absorb losses inherent in the Company’s originated and PNCI loan portfolios. These are maintained through periodic charges to earnings. These charges are included in the Consolidated Income Statements as provision for loan losses. All specifically identifiable and quantifiable losses are immediately charged off against the allowance. However, for a variety of reasons, not all losses are immediately known to the Company and, of those that are known, the full extent of the loss may not be quantifiable at that point in time. The balance of the Company’s allowances for originated and PNCI loan losses are meant to be an estimate of these unknown but probable losses inherent in these portfolios.

The Company formally assesses the adequacy of the allowance for originated and PNCI loan losses on a quarterly basis. Determination of the adequacy is based on ongoing assessments of the probable risk in the outstanding originated and PNCI loan portfolios, and to a lesser extent the Company’s originated and PNCI loan commitments. These assessments include the periodic re-grading of credits based on changes in their individual credit characteristics including delinquency, seasoning, recent financial performance of the borrower, economic factors, changes in the interest rate environment, growth of the portfolio as a whole or by segment, and other factors as warranted. Loans are initially graded when originated or acquired. They are re-graded as they are renewed, when there is a new loan to the same borrower, when identified facts demonstrate heightened risk of nonpayment, or if they become delinquent. Re-grading of larger problem loans occurs at least quarterly. Confirmation of the quality of the grading process is obtained by independent credit reviews conducted by consultants specifically hired for this purpose and by various bank regulatory agencies.

The Company’s method for assessing the appropriateness of the allowance for originated and PNCI loan losses includes specific allowances for impaired loans and leases, formula allowance factors for pools of credits, and allowances for changing environmental factors (e.g., interest rates, growth, economic conditions, etc.). Allowance factors for loan pools are based on historical loss experience by product type and prior risk rating. Allowances for impaired loans are based on analysis of individual credits. Allowances for changing environmental factors are Management’s best estimate of the probable impact these changes have had on the originated or PNCI loan portfolio as a whole. The allowances for originated and PNCI loans are included in the allowance for loan losses.

As noted above, the allowances for originated and PNCI loan losses consists of a specific allowance, a formula allowance, and an allowance for environmental factors. The first component, the specific allowance, results from the analysis of identified credits that meet management’s criteria for specific evaluation. These loans are reviewed individually to determine if such loans are considered impaired. Impaired loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due under the contractual terms. Impaired loans are specifically reviewed and evaluated individually by management for loss potential by evaluating sources of repayment, including collateral as applicable, and a specified allowance for loan losses is established where necessary.

During the three months ended March 31, 2013, the Company changed the method it uses to estimate net sale proceeds from real estate collateral sales when calculating the allowance for loan losses associated with impaired real estate collateral dependent loans. Previously, the Company used the greater of fifteen percent or actual estimated selling costs. Currently, the Company uses the actual estimated selling costs, and an adjustment to appraised value based on the age of the appraisal. These changes are intended to more accurately reflect the estimated net sale proceeds from the sale of impaired collateral dependent real estate loans. This change in methodology resulted in the allowance for loan losses as of March 31, 2013 being $494,000 more than it would have been without this change in methodology.

53

The second component of the allowance for originated and PNCI loan losses, the formula allowance, is an estimate of the probable losses that have occurred across the major loan categories in the Company’s originated and PNCI loan portfolios. This analysis is based on loan grades by pool and the loss history of these pools. This analysis covers the Company’s entire originated and PNCI loan portfolios including unused commitments but excludes any loans that were analyzed individually and assigned a specific allowance as discussed above. The total amount allocated for this component is determined by applying loss estimation factors to outstanding loans and loan commitments. The loss factors were previously based primarily on the Company’s historical loss experience tracked over a five-year period and adjusted as appropriate for the input of current trends and events. Because historical loss experience varies for the different categories of originated loans, the loss factors applied to each category also differed. In addition, there is a greater chance that the Company would suffer a loss from a loan that was risk rated less than satisfactory than if the loan was last graded satisfactory. Therefore, for any given category, a larger loss estimation factor was applied to less than satisfactory loans than to those that the Company last graded as satisfactory. The resulting formula allowance was the sum of the allocations determined in this manner.

During the three month period ended March 31, 2012, the Company converted to a loss migration analysis to determine the formula allowance. Under this method, the Company reviewed the loss experience of each quarter over the previous three years and determined an annualized loss rate by loan category as well as risk rating at the beginning of each period reviewed. A weighted average was then applied to arrive at the average annualized loss rate for each loan category and risk rating, which was then applied against the net recorded investment for all loans by category and risk rating not classified as impaired. The effect of this change in methodology resulted in a net reduction in formula allowance required of $3,296,000. This loss migration approach was promoted by regulatory agencies and implemented by the Company during the three month period ended March 31, 2012 as this was the first period in which sufficient historical data could be compiled to support the analysis.

In addition to updating the method by which the estimated formula allowance required is calculated, management also improved the monitoring and risk recognition within its consumer portfolio. Previously, consumer loans with no identified credit weakness had a risk rating of “Pass” assigned, and this would generally only change if the loan went 90 days past due, at which time the risk rating was systematically downgraded to “Substandard” and the loan was placed in nonaccrual. For the period ended March 31, 2012, management has chosen to monitor consumer loans based on current credit score and assign a risk rating of “Special Mention” for those scores below a certain threshold. This change is primarily intended to more effectively monitor and manage the risk in the Company’s portfolio of consumer loans and lines of credit secured by junior liens on 1-4 family residential properties. We believe that the current credit score allows us to better account for increasing default risk in these types of loans. It is also the only reasonably available tool that can be used to attempt to monitor the performance of the senior lien on the associated properties, as the Company does not generally service both the 1^st and 2^nd loans in these instances. The result of this change in methodology resulted in an additional required formula allowance of $1,874,000. $1,596,000 of this additional requirement is specifically related to loans and lines of credit secured by junior liens on 1-4 family residential properties.

The third component of the allowances for originated and PNCI loan losses, the environmental factor allowance, is a component that is not allocated to specific loans or groups of loans, but rather is intended to absorb losses that may not be provided for by the other components.

There are several primary reasons that the other components discussed above might not be sufficient to absorb the losses present in the originated and PNCI loan portfolios, and the environmental factor allowance is used to provide for the losses that have occurred because of them.

The first reason is that there are limitations to any credit risk grading process. The volume of originated and PNCI loans makes it impractical to re-grade every loan every quarter. Therefore, it is possible that some currently performing originated or PNCI loans not recently graded will not be as strong as their last grading and an insufficient portion of the allowance will have been allocated to them. Grading and loan review often must be done without knowing whether all relevant facts are at hand. Troubled borrowers may deliberately or inadvertently omit important information from reports or conversations with lending officers regarding their financial condition and the diminished strength of repayment sources.

The second reason is that the loss estimation factors are based primarily on historical loss totals. As such, the factors may not give sufficient weight to such considerations as the current general economic and business conditions that affect the Company’s borrowers and specific industry conditions that affect borrowers in that industry. The factors might also not give sufficient weight to other environmental factors such as changing economic conditions and interest rates, portfolio growth, entrance into new markets or products, and other characteristics as may be determined by Management.

54

Specifically, in assessing how much environmental factor allowance needed to be provided, management considered the following:

• with respect to the economy, management considered the effects of changes in GDP, unemployment, CPI, debt statistics, housing starts, housing sales, auto sales, agricultural prices, and other economic factors which serve as indicators of economic health and trends and which may have an impact on the performance of our borrowers, and

• with respect to changes in the interest rate environment, management considered the recent changes in interest rates and the resultant economic impact it may have had on borrowers with high leverage and/or low profitability; and

• with respect to changes in energy prices, management considered the effect that increases, decreases or volatility may have on the performance of our borrowers, and

• with respect to loans to borrowers in new markets and growth in general, management considered the relatively short seasoning of such loans and the lack of experience with such borrowers, and

• with respect to the potential imprecision in the total Allowance for Loan Losses calculation, management previously included an unspecified reserve equal to 1.00% of the total allowance and reserve for unfunded commitments calculated. For the period ended March 31, 2012, this unspecified reserve was eliminated resulting in a reduction in allowances required of $425,000, and

• with respect to loans that have not yet been identified as impaired, management considered the volume and severity of past due loans. This environmental consideration was added to the Company’s Allowance for Loan Losses methodology for the period ended March 31, 2012 and resulted in additional allowances required of $459,000.

Each of these considerations was assigned a factor and applied to a portion or the entire originated and PNCI loan portfolios. Since these factors are not derived from experience and are applied to large non-homogeneous groups of loans, they are available for use across the portfolio as a whole.

Acquired loans are valued as of acquisition date in accordance with Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) Topic 805, Business Combinations. Loans purchased with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are referred to as purchased credit impaired (PCI) loans. PCI loans are accounted for under FASB ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. In addition, because of the significant credit discounts associated with the loans acquired in the Granite acquisition, the Company elected to account for all loans acquired in the Granite acquisition under FASB ASC Topic 310-30, and classify them all as PCI loans. Under FASB ASC Topic 805 and FASB ASC Topic 310-30, PCI loans are recorded at fair value at acquisition date, factoring in credit losses expected to be incurred over the life of the loan. Accordingly, an allowance for loan losses is not carried over or recorded as of the acquisition date. Fair value is defined as the present value of the future estimated principal and interest payments of the loan, with the discount rate used in the present value calculation representing the estimated effective yield of the loan. The difference between contractual future payments and estimated future payments is referred to as the nonaccretable difference. The difference between estimated future payments and the present value of the estimated future payments is referred to as the accretable yield. The accretable yield represents the amount that is expected to be recorded as interest income over the remaining life of the loan. If after acquisition, the Company determines that the future cash flows of a PCI loan are expected to be more than the originally estimated, an increase in the discount rate (effective yield) would be made such that the newly increased accretable yield would be recognized, on a level yield basis, over the remaining estimated life of the loan. If after acquisition, the Company determines that the future cash flows of a PCI loan are expected to be less than the previously estimated, the discount rate would first be reduced until the present value of the reduced cash flow estimate equals the previous present value however, the discount rate may not be lowered below its original level. If the discount rate has been lowered to its original level and the present value has not been sufficiently lowered, an allowance for loan loss would be established through a provision for loan losses charged to expense to decrease the present value to the required level. If the estimated cash flows improve after an allowance has been established for a loan, the allowance may be partially or fully reversed depending on the improvement in the estimated cash flows. Only after the allowance has been fully reversed may the discount rate be increased. PCI loans are put on nonaccrual status when cash flows cannot be reasonably estimated. PCI loans are charged off when evidence suggests cash flows are not recoverable. Foreclosed assets from PCI loans are recorded in foreclosed assets at fair value with the fair value at time of foreclosure representing cash flow from the loan. ASC 310-30 allows PCI loans with similar risk characteristics and acquisition time frame to be “pooled” and have their cash flows aggregated as if they were one loan.

55

The Components of the Allowance for Loan Losses

The following table sets forth the Bank’s allowance for loan losses as of the dates indicated (in thousands):

	March 31, 2013			December 31, 2012
Allowance for originated and PNCI loan losses:
Specific allowance	$	5,045		$	4,505
Formula allowance		27,001			29,314
Environmental factors allowance		3,519			3,919
Allowance for originated and PNCI loan losses		35,565			37,738
Allowance for PCI loan losses		4,302			4,910
Allowance for loan losses	$	39,867		$	42,648
Allowance for loan losses to loans		2.60	%		2.73	%

Based on the current conditions of the loan portfolio, management believes that the $39,867,000 allowance for loan losses at March 31, 2013 is adequate to absorb probable losses inherent in the Bank’s loan portfolio. No assurance can be given, however, that adverse economic conditions or other circumstances will not result in increased losses in the portfolio.

The following table summarizes the allocation of the allowance for loan losses between loan types as of the dates indicated:

(In thousands)	March 31, 2013		December 31, 2012
Real estate mortgage	$	12,753	$	12,305
Consumer		21,171		23,461
Commercial		4,235		4,703
Real estate construction		1,708		2,179
Total allowance for loan losses	$	39,867	$	42,648

The following table summarizes the allocation of the allowance for loan losses between loan types as a percentage of the total allowance for loan losses as of the dates indicated:

(In thousands)	March 31, 2013			December 31, 2012
Real estate mortgage		32.0	%		28.9	%
Consumer		53.1	%		55.0	%
Commercial		10.6	%		11.0	%
Real estate construction		4.3	%		5.1	%
Total allowance for loan losses		100.0	%		100.0	%

The following table summarizes the allocation of the allowance for loan losses as a percentage of the total loans for each loan category as of the dates indicated:

(In thousands)	March 31, 2013			December 31, 2012
Real estate mortgage		1.26	%		1.22	%
Consumer		5.63	%		6.08	%
Commercial		3.67	%		3.47	%
Real estate construction		5.59	%		6.59	%
Total allowance for loan losses		2.60	%		2.73	%

56

The following tables summarize the activity in the allowance for loan losses, reserve for unfunded commitments, and allowance for losses (which is comprised of the allowance for loan losses and the reserve for unfunded commitments) for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Allowance for loan losses:
Balance at beginning of period	$	42,648		$	45,914
Provision for loan losses		(1,108	)		3,996
Loans charged off:
Real estate mortgage:
Residential		(7	)		(223	)
Commercial		(803	)		(1,305	)
Consumer:
Home equity lines		(766	)		(2,625	)
Home equity loans		(26	)		(41	)
Auto indirect		(25	)		(40	)
Other consumer		(273	)		(339	)
Commercial		(790	)		(281	)
Construction:
Residential		(20	)		(68	)
Commercial		(61	)		—
Total loans charged off		(2,771	)		(4,922	)
Recoveries of previously charged-off loans:
Real estate mortgage:
Residential		—			—
Commercial		353			36
Consumer:
Home equity lines		290			63
Home equity loans		9			3
Auto indirect		85			57
Other consumer		224			255
Commercial		70			50
Construction:
Residential		61			—
Commercial		6			—
Total recoveries of previously charged off loans		1,098			464
Net charge-offs		(1,673	)		(4,458	)
Balance at end of period	$	39,867		$	45,452
	Three months ended March 31,
	2013			2012
Reserve for unfunded commitments:
Balance at beginning of period	$	3,615		$	2,740
Provision for losses – unfunded commitments		(440	)		(190	)
Balance at end of period	$	3,175		$	2,550
Balance at end of period:
Allowance for loan losses	$	39,867		$	45,452
Reserve for unfunded commitments		3,175			2,550
Allowance for loan losses and Reserve for unfunded commitments	$	43,042		$	48,002
As a percentage of total loans at end of period:
Allowance for loan losses		2.60	%		3.01	%
Reserve for unfunded commitments		0.21	%		0.17	%
Allowance for loan losses and Reserve for unfunded commitments		2.81	%		3.18	%
Average total loans	$	1,548,555		$	1,527,536
Ratios (annualized):
Net charge-offs during period to average loans outstanding during period		0.43	%		1.17	%
(Benefit from) provision for loan losses to average loans outstanding		(0.29	%)		1.05	%

57

Foreclosed Assets, Net of Allowance for Losses

The following tables detail the components and summarize the activity in foreclosed assets, net of allowances for losses for the years indicated (in thousands):

	Balance at March 31, 2013		New NPA		Advances/ Capitalized Costs		Sales			Valuation Adjustments			Transfers from Loans		Category Changes		Balance at December, 2012
(In thousands):
Noncovered:
Land & Construction	$	1,549		—		—		(158	)	$	(3	)	$	34		—	$	1,676
Residential real estate		1,805		—		—		(657	)		(24	)		744		—		1,742
Commercial real estate		1,233		—		—		(6,001	)		—			4,695		—		2,539
Total noncovered		4,587		—		—		(6,816	)		(27	)		5,473		—		5,957
Covered:
Land & Construction		445		—		—		(267	)		—			—		—		712
Residential real estate		—		—		—		—			—			—		—		—
Commercial real estate		1,092		—		—					—			263		—		829
Total covered		1,537		—		—		(267	)		—			263		—		1,541
Total foreclosed assets	$	6,124		—		—	$	(7,083	)	$	(27	)	$	5,736		—	$	7,498

Premises and Equipment

Premises and equipment were comprised of:

	March 31, 2013			December 31, 2012
	(In thousands)
Land & land improvements	$	5,905		$	5,929
Buildings		23,104			23,090
Furniture and equipment		25,778			25,877
		54,787			54,896
Less: Accumulated depreciation		(32,712	)		(32,101	)
		22,075			22,795
Construction in progress		7,393			4,190
Total premises and equipment	$	29,468		$	26,985

During the three months ended March 31, 2013, premises and equipment increased $2,483,000 due to purchases of $3,241,000, that were partially offset by depreciation of $741,000 and disposals of premises and equipment with net book value of $17,000. Included in the $3,241,000 of purchases during the three months ended March 31, 2013 is $3,049,000 related to the Company’s new campus and operations center in Chico, CA. As of March 31, 2013 the campus and operations center had a cost basis as follows: land & land improvements $427,000, building $6,860,000, and furniture and equipment $1,404,000. Upon its estimated completion in the second quarter of 2013, the campus and operations center is expected to have an approximate cost basis as follows: land & land improvements $427,000, building $8,373,000, and furniture and equipment $2,493,000.

Intangible Assets

Intangible assets were comprised of the following as of the dates indicated:

(In thousands)	March 31, 2013		December 31, 2012
Core-deposit intangible	$	1,040	$	1,092
Goodwill		15,519		15,519
Total intangible assets	$	16,559	$	16,820

The core-deposit intangible assets resulted from the Bank’s acquisitions of Citizens in 2011 and Granite in 2010. The goodwill intangible asset resulted from the North State National Bank acquisition in 2003. Amortization of core deposit intangible assets amounting to $52,000 and $53,000 were recorded during the three months ended March 31, 2013 and 2012, respectively.

Deposits

Deposits at March 31, 2013 decreased $4,152,000 (0.2%) from 2012 year-end balances to $2,285,550,000. Included in the March 31, 2013 and December 31, 2012 certificate of deposit balances is $5,000,000 from the State of California. The Bank participates in a deposit program offered by the State of California whereby the State may make deposits at the Bank’s request subject to collateral and creditworthiness constraints. The negotiated rates on these State deposits are generally favorable to other wholesale funding sources available to the Bank. Information on average deposit balances and average rates paid is included under the Net Interest Income section of this report. See Note 13 to the consolidated financial statements at Item 1 of this report for information about the Company’s deposits.

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Long-Term Debt

See Note 16 to the consolidated financial statements at Item 1 of this report for information about the Company’s other borrowings, including long-term debt.

Junior Subordinated Debt

See Note 17 to the consolidated financial statements at Item 1 of this report for information about the Company’s junior subordinated debt.

Off-Balance Sheet Arrangements

See Note 18 to the consolidated financial statements at Item 1 of this report for information about the Company’s commitments and contingencies including off-balance-sheet arrangements.

Capital Resources

The current and projected capital position of the Company and the impact of capital plans and long-term strategies are reviewed regularly by Management.

The Company adopted and announced a stock repurchase plan on August 21, 2007 for the repurchase of up to 500,000 shares of the Company’s common stock from time to time as market conditions allow. The 500,000 shares authorized for repurchase under this plan represented approximately 3.2% of the Company’s approximately 15,815,000 common shares outstanding as of August 21, 2007. The Company did not repurchase any shares during the three months ended March 31, 2013. This plan has no stated expiration date for the repurchases. As of March 31, 2013, the Company had repurchased 166,600 shares under this plan, which left 333,400 shares available for repurchase under the plan. Shares that are repurchased in accordance with the provisions of a Company stock option plan or equity compensation plan are not counted against the number of shares repurchased under the repurchase plan adopted on August 21, 2007.

The Company’s primary capital resource is shareholders’ equity, which was $236,030,000 at March 31, 2013. This amount represents an increase of $6,671,000 from December 31, 2012, the net result of comprehensive income for the period of $7,856,000, and the effect of stock option vesting and tax benefits of $256,000, and the exercise of stock options of $262,000, that were partially offset by dividends paid of $1,441,000, and the repurchase of common stock as it was tendered in lieu of cash to exercise stock options of $262,000. The Company’s ratio of equity to total assets was 9.03% and 8.79% as of March 31, 2013 and December 31, 2012, respectively.

The following summarizes the Company’s ratios of capital to risk-adjusted assets as of the dates indicated:

	As of			As			Minimum
	March 31,			December 31,			Regulatory
	2013			2012			Requirement
Total Capital		15.19	%		14.53	%		8.00	%
Tier I Capital		13.92	%		13.27	%		4.00	%
Leverage ratio		9.93	%		9.82	%		4.00	%

See Note 19 and Note 29 to the consolidated financial statements at Item 1 of this report for additional information about the Company’s capital resources.

Liquidity

The Bank’s principal source of asset liquidity is cash at Federal Reserve and other banks and marketable investment securities available for sale. At March 31, 2013, cash at Federal Reserve and other banks in excess of reserve requirements and investment securities available for sale totaled $911,192,000, representing an increase of $30,860,000 (3.5%) from December 31, 2012. In addition, the Company generates additional liquidity from its operating activities. The Company’s profitability during the first three months of 2013 generated cash flows from operations of $13,285,000 compared to $17,953,000 during the first three months of 2012. Maturities of investment securities produced cash inflows of $17,286,000 during the three months ended March 31, 2013 compared to $20,060,000 for the three months ended March 31, 2012. During the three months ended March 31, 2013, the Company did not invest in any securities and received $25,051,000 of net loan principal reductions, compared to $3,588,000 invested in securities and $33,795,000 of net loan principal reductions, respectively, during the first three months of 2012. Proceeds from the sale of foreclosed assets accounted for $7,635,000 and $3,021,000 of investing sources of funds during the three months ended March 31, 2013 and 2012, respectively. These changes in investment and loan balances, and proceeds from sale of foreclosed assets, contributed to net cash provided by investing activities of $46,732,000 during the three months ended March 31, 2013, compared to net cash provided by investing activities of $52,227,000 during the three months ended March 31, 2012. Financing activities used net cash of $6,645,000 during the three months ended March 31, 2013, compared to net cash used by financing activities of $25,695,000 during the three months ended March 31, 2012. Deposit balance decreases accounted for $4,152,000 of financing uses of funds during the three months ended March 31, 2013, compared to $20,790,000 of financing uses of funds during the three months ended March 31, 2012. Net decreases in short-term other borrowings accounted for $1,072,000 and $3,467,000 of financing uses of funds during the three months ended March 31, 2013 and 2012, respectively. Dividends paid used $1,441,000 and $1,438,000 of cash during the three months ended March 31, 2013 and 2012, respectively. The Company’s liquidity is dependent on dividends received from the Bank. Dividends from the Bank are subject to certain regulatory restrictions.

59

Item 3. Quantitative and Qualitative Disclosures about Market Risk

Our assessment of market risk as of March 31, 2013 indicates there are no material changes in the quantitative and qualitative disclosures from those in our Annual Report on Form 10-K for the year ended December 31, 2012.

Item 4. Controls and Procedures

The Company’s management, including its Chief Executive Officer and Chief Financial Officer, have evaluated the effectiveness of the Company’s disclosure controls and procedures as of March 31, 2013. Disclosure controls and procedures, as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), are controls and procedures designed to reasonably assure that information required to be disclosed in the Company’s reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported on a timely basis. Disclosure controls are also designed to reasonably assure that such information is accumulated and communicated to the Company’s management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. Based upon their evaluation, our Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of March 31, 2013.

During the quarter ended March 31, 2013, there were no changes in our internal controls or in other factors that have materially affected or are reasonably likely to materially affect our internal controls over financial reporting.

PART II – OTHER INFORMATION

Item 1 – Legal Proceedings

Due to the nature of our business, we are involved in legal proceedings that arise in the ordinary course of our business. While the outcome of these matters is currently not determinable, we do not expect that the ultimate costs to resolve these matters will have a material adverse effect on our consolidated financial position, results of operations, or cash flows.

See Note 18, Commitments and Contingencies, for a discussion of the Company’s involvement in litigation.

Item 1A – Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed under “Part I—Item 1A—Risk Factors” in our Form 10-K for the year ended December 31, 2012 which are incorporated by reference herein. These factors could materially adversely affect our business, financial condition, liquidity, results of operations and capital position, and could cause our actual results to differ materially from our historical results or the results contemplated by the forward-looking statements contained in this report.

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

The following table shows information concerning the common stock repurchased by the Company during the three months ended March 31, 2013 pursuant to the Company’s stock repurchase plan adopted on August 21, 2007, which is discussed in more detail under “Capital Resources” in this report and is incorporated herein by reference:

Period	(a) Total number of shares purchased		(b) Average price paid per share		(c) Total number of shares purchased as part of publicly announced plans or programs		(d) Maximum number of shares that may yet be purchased under the plans or programs
Jan. 1-31, 2013		—		—		—		333,400
Feb. 1-28, 2013		—		—		—		333,400
Mar. 1-31, 2013		—		—		—		333,400
Total		—		—		—		333,400

Item 6 – Exhibits

2.1	Purchase and Assumption Agreement Whole Bank All Deposits, among the Federal Deposit Insurance Corporation, receiver of Granite Community Bank, N.A., Granite Bay, California, the Federal Deposit Insurance Corporation and Tri Counties Bank, dated as of May 28, 2010, and related addendum filed as Exhibit 2.1 to the Company’s Current Report on Form 8-K filed June 3, 2010.
2.2	Purchase and Assumption Agreement Whole Bank All Deposits, among the Federal Deposit Insurance Corporation, receiver of Citizens Bank of Northern California, Nevada City, California, the Federal Deposit Insurance Corporation and Tri Counties Bank, dated as of September 23, 2011, and related addendum, filed as Exhibit 2.1 to the Company’s Current Report on Form 8-K filed September 27, 2011.
3.1	Restated Articles of Incorporation, filed as Exhibit 3.1 to TriCo’s Current Report on Form 8-K filed on March 16, 2009.
3.2	Bylaws of TriCo Bancshares, as amended, filed as Exhibit 3.1 to TriCo’s Current Report on Form 8-K filed February 17, 2011.
4.1	Certificate of Determination of Preferences of Series AA Junior Participating Preferred Stock filed as Exhibit 3.3 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2001.
4.2	Rights Agreement dated as of June 25, 2001 between TriCo Bancshares and Mellon Investor Services LLC (incorporated by reference to Exhibit 1 to Registration Statement on Form 8-A filed on July 5, 2001).

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Item 6 – Exhibits (continued)

4.3	Amendment to Rights Agreement dated as of July 8, 2011 between TriCo Bancshares and BNY Mellon Investor Services LLC (incorporated by reference to Exhibit 4.1 to the Company’s Form 8-K filed on July 8, 2011).
4.4	Amended and Restated Form of Right Certificate (incorporated by reference to Exhibit 4.2 to the Company’s Form 8-K filed on July 8, 2011).
10.2*	Form of Change of Control Agreement dated as of August 23, 2005, between TriCo, Tri Counties Bank and each of Dan Bailey, Bruce Belton, Craig Carney, Richard O’Sullivan, Thomas Reddish, and Ray Rios filed as Exhibit 10.2 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2005.
10.5*	TriCo’s 1995 Incentive Stock Option Plan filed as Exhibit 4.1 to TriCo’s Form S-8 Registration Statement dated August 23, 1995 (No. 33-62063).
10.6*	TriCo’s 2001 Stock Option Plan, as amended, filed as Exhibit 10.7 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2005.
10.7*	TriCo’s 2009 Equity Incentive plan, as amended, filed as Exhibit 10.2 to TriCo’s Form 8-K filed April 3, 2013.
10.8*	Amended Employment Agreement between TriCo and Richard Smith dated as of March 28, 2013 filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed April 3, 2013.
10.9*	Tri Counties Bank Executive Deferred Compensation Plan restated April 1, 1992, and January 1, 2005 filed as Exhibit 10.9 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2005.
10.10*	Tri Counties Bank Deferred Compensation Plan for Directors effective January 1, 2005 filed as Exhibit 10.10 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2005.
10.11*	2005 Tri Counties Bank Deferred Compensation Plan for Executives and Directors effective January 1, 2005 filed as Exhibit 10.11 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2005.
10.13*	Tri Counties Bank Supplemental Retirement Plan for Directors dated September 1, 1987, as restated January 1, 2001, and amended and restated January 1, 2004 filed as Exhibit 10.12 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004.
10.14*	2004 TriCo Bancshares Supplemental Retirement Plan for Directors effective January 1, 2004 filed as Exhibit 10.13 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004.
10.15*	Tri Counties Bank Supplemental Executive Retirement Plan effective September 1, 1987, as amended and restated January 1, 2004 filed as Exhibit 10.14 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004.
10.16*	2004 TriCo Bancshares Supplemental Executive Retirement Plan effective January 1, 2004 filed as Exhibit 10.15 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004.
10.17*	Form of Joint Beneficiary Agreement effective March 31, 2003 between Tri Counties Bank and each of George Barstow, Dan Bay, Ron Bee, Craig Carney, Robert Elmore, Greg Gill, Richard Miller, Richard O’Sullivan, Thomas Reddish, Jerald Sax, and Richard Smith, filed as Exhibit 10.14 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2003.
10.18*	Form of Joint Beneficiary Agreement effective March 31, 2003 between Tri Counties Bank and each of Don Amaral, William Casey, Craig Compton, John Hasbrook, Michael Koehnen, Donald Murphy, Carroll Taresh, and Alex Vereschagin, filed as Exhibit 10.15 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2003.
10.19*	Form of Tri-Counties Bank Executive Long Term Care Agreement effective June 10, 2003 between Tri Counties Bank and each of Craig Carney, Richard Miller, Richard O’Sullivan, and Thomas Reddish, filed as Exhibit 10.16 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2003.
10.20*	Form of Tri-Counties Bank Director Long Term Care Agreement effective June 10, 2003 between Tri Counties Bank and each of Don Amaral, William Casey, Craig Compton, John Hasbrook, Michael Koehnen, Donald Murphy, Carroll Taresh, and Alex Vereschagin, filed as Exhibit 10.17 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2003.
10.21*	Form of Indemnification Agreement between TriCo Bancshares/Tri Counties Bank and each of the directors of TriCo Bancshares/Tri Counties Bank effective on the date that each director is first elected, filed as Exhibit 10.18 to TriCo’S Annual Report on Form 10-K for the year ended December 31, 2003.
10.22*	Form of Indemnification Agreement between TriCo Bancshares/Tri Counties Bank and each of Dan Bailey, Craig Carney, Richard O’Sullivan, Thomas Reddish, Ray Rios, and Richard Smith filed as Exhibit 10.21 to TriCo’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2004.
21.1	Tri Counties Bank, a California banking corporation, TriCo Capital Trust I, a Delaware business trust, and TriCo Capital Trust II, a Delaware business trust, are the only subsidiaries of Registrant.
31.1	Rule 13a-14(a)/15d-14(a) Certification of CEO
31.2	Rule 13a-14(a)/15d-14(a) Certification of CFO
32.1	Section 1350 Certification of CEO
32.2	Section 1350 Certification of CFO
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

* Management contract or compensatory plan or arrangement

61

SIGNATURES

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

	TRICO BANCSHARES (Registrant)
Date: May 10, 2013		/s/ Thomas J. Reddish
		Thomas J. Reddish
		Executive Vice President and Chief Financial Officer   (Duly authorized officer and principal financial officer)

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EX-31.1

Exhibit 31.1

EXHIBITS

Rule 13a-14(a)/15d-14(a) Certification of CEO

I, Richard P. Smith, certify that;

1. I have reviewed this report on Form 10-Q of TriCo Bancshares;

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 quarterly 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 we 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 subsidiary, 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 data; and

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

Date: May 10, 2013	/s/ Richard P. Smith
	Richard P. Smith
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Rule 13a-14(a)/15d-14(a) Certification of CFO

I, Thomas J. Reddish, certify that;

1. I have reviewed this report on Form 10-Q of TriCo Bancshares;

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 quarterly 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 we 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 subsidiary, 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 data; and

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

Date: May 10, 2013	/s/ Thomas J. Reddish
	Thomas J. Reddish
	Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Section 1350 Certification of CEO

In connection with the Quarterly Report of TriCo Bancshares (the “Company”) on Form 10-Q for the period ended March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Richard P. Smith, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ Richard P. Smith

Richard P. Smith

President and Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to TriCo Bancshares and will be retained by TriCo Bancshares and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

Section 1350 Certification of CFO

In connection with the Quarterly Report of TriCo Bancshares (the “Company”) on Form 10-Q for the period ended March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Thomas J. Reddish, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ Thomas J. Reddish

Thomas J. Reddish

Executive Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to TriCo Bancshares and will be retained by TriCo Bancshares and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Description of Business

Description of Business

TriCo Bancshares is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Bank is a state-chartered financial institution that is engaged in the general commercial banking business in the California counties of Butte, Contra Costa, Del Norte, Fresno, Glenn, Kern, Lake, Lassen, Madera, Mendocino, Merced, Napa, Nevada, Placer, Sacramento, Shasta, Siskiyou, Stanislaus, Sutter, Tehama, Tulare, Yolo and Yuba. Tri Counties Bank currently operates from 41 traditional branches and 25 in-store branches. The Company also formed two subsidiary business trusts, TriCo Capital Trust I and TriCo Capital Trust II (collectively, the Trusts), to issue trust preferred securities.

Basis of Presentation

Basis of Presentation

The following unaudited condensed financial statements of the Company have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and note disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted pursuant to those rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. In the opinion of Management, all adjustments, consisting solely of normal recurring adjustments, considered necessary for a fair presentation of results for the interim periods presented have been included. These interim condensed consolidated financial statements should be read in conjunction with the financial statements and related notes contained in the Company’s 2012 Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 18, 2013.

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned financial subsidiary, Tri Counties Bank. All significant intercompany balances and transactions have been eliminated. TriCo Capital Trust I and TriCo Capital Trust II, which were formed solely for the purpose of issuing trust preferred securities, are unconsolidated subsidiaries as the Company is not the primary beneficiary of the trusts and they are not considered variable interest entities. Operating results for the three months ended March 31, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. Certain amounts in the consolidated financial statements for the year ended December 31, 2012 and for the three months ended March 31, 2012 may have been reclassified to conform to the presentation of the condensed consolidated financial statements in 2013.

Use of Estimates in the Preparation of Financial Statements

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, the Company evaluates its estimates, including those related to the adequacy of the allowance for loan losses, investments, intangible assets, income taxes and contingencies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. The allowance for loan losses, indemnification asset, foreclosed assets, goodwill and other intangible assets, income taxes, fair value of assets acquired and liabilities assumed in business combinations, the valuation of securities available-for-sale, and the valuation of mortgage servicing rights are the only accounting estimates that materially affect the Company’s consolidated financial statements.

As described in Note 2, the Bank assumed the banking operations of two failed financial institutions from the FDIC under whole bank purchase agreements. The acquired assets and assumed liabilities were measured at estimated fair value values under the acquisition method of accounting. The Company made significant estimates and exercised significant judgment in accounting for the acquisitions. The Company determined loan fair values based on loan file reviews, loan risk ratings, appraised collateral values, expected cash flows and historical loss factors. Foreclosed assets were primarily valued based on appraised values of the repossessed loan collateral. An identifiable intangible was also recorded representing the fair value of the core deposit customer base based on an evaluation of the cost of such deposits relative to alternative funding sources. The fair value of time deposits and borrowings were determined based on the present value of estimated future cash flows using current rates as of the acquisition date.

Significant Group Concentration of Credit Risk

Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout the northern San Joaquin Valley, the Sacramento Valley and northern mountain regions of California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Cash and Cash Equivalents

Cash and Cash Equivalents

For purposes of the consolidated statements of cash flows, cash and cash equivalents include cash on hand, amounts due from banks, and federal funds sold. Net cash flows are reported for loan and deposit transactions and other borrowings.

Investment Securities

Investment Securities

The Company classifies its debt and marketable equity securities into one of three categories: trading, available-for-sale or held-to-maturity. Trading securities are bought and held principally for the purpose of selling in the near term. Held-to-maturity securities are those securities which the Company has the ability and intent to hold until maturity. All other securities not included in trading or held-to-maturity are classified as available-for-sale. During the three months ended March 31, 2013, and the year ended December 31, 2012, the Company did not have any securities classified as either held-to-maturity or trading. Available-for-sale securities are recorded at fair value. Unrealized gains and losses, net of the related tax effect, on available-for-sale securities are reported as a separate component of other accumulated comprehensive income in shareholders’ equity until realized. Premiums and discounts are amortized or accreted over the life of the related investment security as an adjustment to yield using the effective interest method. Dividend and interest income are recognized when earned. Realized gains and losses are derived from the amortized cost of the security sold.

The Company assesses other-than-temporary impairment (“OTTI”) based on whether it intends to sell a security or if it is likely that the Company would be required to sell the security before recovery of the amortized cost basis of the investment, which may be maturity. For debt securities, if we intend to sell the security or it is likely that we will be required to sell the security before recovering its cost basis, the entire impairment loss would be recognized in earnings as an OTTI. If we do not intend to sell the security and it is not likely that we will be required to sell the security but we do not expect to recover the entire amortized cost basis of the security, only the portion of the impairment loss representing credit losses would be recognized in earnings. The credit loss on a security is measured as the difference between the amortized cost basis and the present value of the cash flows expected to be collected. Projected cash flows are discounted by the original or current effective interest rate depending on the nature of the security being measured for potential OTTI. The remaining impairment related to all other factors, the difference between the present value of the cash flows expected to be collected and fair value, is recognized as a charge to other comprehensive income (“OCI”). Impairment losses related to all other factors are presented as separate categories within OCI. The accretion of the amount recorded in OCI increases the carrying value of the investment and does not affect earnings. If there is an indication of additional credit losses the security is re-evaluated according to the procedures described above. No OTTI losses were recognized during the three months ended March 31, 2013, and the year ended December 31, 2012.

Restricted Equity Securities

Restricted Equity Securities

Restricted equity securities represent the Company’s investment in the stock of the Federal Home Loan Bank of San Francisco (“FHLB”) and are carried at par value, which reasonably approximates its fair value. While technically these are considered equity securities, there is no market for the FHLB stock. Therefore, the shares are considered as restricted investment securities. Management periodically evaluates FHLB stock for other-than-temporary impairment. Management’s determination of whether these investments are impaired is based on its assessment of the ultimate recoverability of cost rather than by recognizing temporary declines in value. The determination of whether a decline affects the ultimate recoverability of cost is influenced by criteria such as (1) the significance of any decline in net assets of the FHLB as compared to the capital stock amount for the FHLB and the length of time this situation has persisted, (2) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLB, (3) the impact of legislative and regulatory changes on institutions and, accordingly, the customer base of the FHLB, and (4) the liquidity position of the FHLB.

As a member of the FHLB system, the Company is required to maintain a minimum level of investment in FHLB stock based on specific percentages of its outstanding mortgages, total assets, or FHLB advances. The Company may request redemption at par value of any stock in excess of the minimum required investment. Stock redemptions are at the discretion of the FHLB.

Loans Held for Sale

Loans Held for Sale

Loans originated and intended for sale in the secondary market are carried at the lower of aggregate cost or fair value, as determined by aggregate outstanding commitments from investors of current investor yield requirements. Net unrealized losses are recognized through a valuation allowance by charges to noninterest income.

Mortgage loans held for sale are generally sold with the mortgage servicing rights retained by the Company. Gains or losses on the sale of loans that are held for sale are recognized at the time of the sale and determined by the difference between net sale proceeds and the net book value of the loans less the estimated fair value of any retained mortgage servicing rights.

Loans and Allowance for Loan Losses

Loans and Allowance for Loan Losses

Loans originated by the Company, i.e., not purchased or acquired in a business combination, are referred to as originated loans. Originated loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at the principal amount outstanding, net of deferred loan fees and costs. Loan origination and commitment fees and certain direct loan origination costs are deferred, and the net amount is amortized as an adjustment of the related loan’s yield over the actual life of the loan. Originated loans on which the accrual of interest has been discontinued are designated as nonaccrual loans.

Originated loans are placed in nonaccrual status when reasonable doubt exists as to the full, timely collection of interest or principal, or a loan becomes contractually past due by 90 days or more with respect to interest or principal and is not well secured and in the process of collection. When an originated loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed. Income on such loans is then recognized only to the extent that cash is received and where the future collection of principal is probable. Interest accruals are resumed on such loans only when they are brought fully current with respect to interest and principal and when, in the judgment of Management, the loan is estimated to be fully collectible as to both principal and interest.

An allowance for loan losses for originated loans is established through a provision for loan losses charged to expense. The allowance is maintained at a level which, in management’s judgment, is adequate to absorb probable incurred credit losses inherent in the loan portfolio as of the balance sheet date. Originated loans and deposit related overdrafts are charged against the allowance for loan losses when Management believes that the collectability of the principal is unlikely or, with respect to consumer installment loans, according to an established delinquency schedule. The allowance is an amount that Management believes will be adequate to absorb probable losses inherent in existing loans and leases, based on evaluations of the collectability, impairment and prior loss experience of loans and leases. The evaluations take into consideration such factors as changes in the nature and size of the portfolio, overall portfolio quality, loan concentrations, specific problem loans, and current economic conditions that may affect the borrower’s ability to pay. The Company defines an originated loan as impaired when it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired originated loans are measured based on the present value of expected future cash flows discounted at the loan’s original effective interest rate. As a practical expedient, impairment may be measured based on the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. When the measure of the impaired loan is less than the recorded investment in the loan, the impairment is recorded through a valuation allowance.

In situations related to originated loans where, for economic or legal reasons related to a borrower’s financial difficulties, the Company grants a concession for other than an insignificant period of time to the borrower that the Company would not otherwise consider, the related loan is classified as a troubled debt restructuring (TDR). The Company strives to identify borrowers in financial difficulty early and work with them to modify to more affordable terms before their loan reaches nonaccrual status. These modified terms may include rate reductions, principal forgiveness, payment forbearance and other actions intended to minimize the economic loss and to avoid foreclosure or repossession of the collateral. In cases where the Company grants the borrower new terms that result in the loan being classified as a TDR, the Company measures any impairment on the restructuring as noted above for impaired loans. TDR loans are classified as impaired until they are fully paid off or charged off. Loans that are in nonaccrual status at the time they become TDR loans, remain in nonaccrual status until the borrower demonstrates a sustained period of performance which the Company generally believes to be six consecutive months of payments, or equivalent. Otherwise, TDR loans are subject to the same nonaccrual and charge-off policies as noted above with respect to their restructured principal balance.

Credit risk is inherent in the business of lending. As a result, the Company maintains an allowance for loan losses to absorb losses inherent in the Company’s originated loan portfolio. This is maintained through periodic charges to earnings. These charges are included in the Consolidated Statements of Income as provision for loan losses. All specifically identifiable and quantifiable losses are immediately charged off against the allowance. However, for a variety of reasons, not all losses are immediately known to the Company and, of those that are known, the full extent of the loss may not be quantifiable at that point in time. The balance of the Company’s allowance for originated loan losses is meant to be an estimate of these unknown but probable losses inherent in the portfolio.

The Company formally assesses the adequacy of the allowance for originated loan losses on a quarterly basis. Determination of the adequacy is based on ongoing assessments of the probable risk in the outstanding originated loan portfolio, and to a lesser extent the Company’s originated loan commitments. These assessments include the periodic re-grading of credits based on changes in their individual credit characteristics including delinquency, seasoning, recent financial performance of the borrower, economic factors, changes in the interest rate environment, growth of the portfolio as a whole or by segment, and other factors as warranted. Loans are initially graded when originated. They are re-graded as they are renewed, when there is a new loan to the same borrower, when identified facts demonstrate heightened risk of nonpayment, or if they become delinquent. Re-grading of larger problem loans occurs at least quarterly. Confirmation of the quality of the grading process is obtained by independent credit reviews conducted by consultants specifically hired for this purpose and by various bank regulatory agencies.

The Company’s method for assessing the appropriateness of the allowance for originated loan losses includes specific allowances for impaired originated loans and leases, formula allowance factors for pools of credits, and allowances for changing environmental factors (e.g., interest rates, growth, economic conditions, etc.). Allowance factors for loan pools were based on historical loss experience by product type and prior risk rating.

During the three months ended March 31, 2013, the Company changed the method it uses to estimate net sale proceeds from real estate collateral sales when calculating the allowance for loan losses associated with impaired real estate collateral dependent loans. Previously, the Company used the greater of fifteen percent or actual estimated selling costs. Currently, the Company uses the actual estimated selling costs, and an adjustment to appraised value based on the age of the appraisal. These changes are intended to more accurately reflect the estimated net sale proceeds from the sale of impaired collateral dependent real estate loans. This change in methodology resulted in the allowance for loan losses as of March 31, 2013 being $494,000 more than it would have been without this change in methodology.

Loans purchased or acquired in a business combination are referred to as acquired loans. Acquired loans are valued as of the acquisition date in accordance with Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) Topic 805, Business Combinations. Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are referred to as purchased credit impaired (PCI) loans. PCI loans are accounted for under FASB ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. Under FASB ASC Topic 805 and FASB ASC Topic 310-30, PCI loans are recorded at fair value at acquisition date, factoring in credit losses expected to be incurred over the life of the loan. Accordingly, an allowance for loan losses is not carried over or recorded as of the acquisition date. Fair value is defined as the present value of the future estimated principal and interest payments of the loan, with the discount rate used in the present value calculation representing the estimated effective yield of the loan. Default rates, loss severity, and prepayment speed assumptions are periodically reassessed and our estimate of future payments is adjusted accordingly. The difference between contractual future payments and estimated future payments is referred to as the nonaccretable difference. The difference between estimated future payments and the present value of the estimated future payments is referred to as the accretable yield. The accretable yield represents the amount that is expected to be recorded as interest income over the remaining life of the loan. If after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be more than originally estimated, an increase in the discount rate (effective yield) would be made such that the newly increased accretable yield would be recognized, on a level yield basis, over the remaining estimated life of the loan. If, after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be less than previously estimated, the discount rate would first be reduced until the present value of the reduced cash flow estimate equals the previous present value however, the discount rate may not be lowered below its original level at acquisition. If the discount rate has been lowered to its original level and the present value has not been sufficiently lowered, an allowance for loan loss would be established through a provision for loan losses charged to expense to decrease the present value to the required level. If the estimated cash flows improve after an allowance has been established for a loan, the allowance may be partially or fully reversed depending on the improvement in the estimated cash flows. Only after the allowance has been fully reversed may the discount rate be increased. PCI loans are put on nonaccrual status when cash flows cannot be reasonably estimated. PCI loans on nonaccrual status are accounted for using the cost recovery method or cash basis method of income recognition. PCI loans are charged off when evidence suggests cash flows are not recoverable. Foreclosed assets from PCI loans are recorded in foreclosed assets at fair value with the fair value at time of foreclosure representing cash flow from the loan. ASC 310-30 allows PCI loans with similar risk characteristics and acquisition time frame to be “pooled” and have their cash flows aggregated as if they were one loan. The Company elected to use the “pooled” method of ASC 310-30 for PCI – other loans in the acquisition of certain assets and liabilities of Granite Community Bank (“Granite”) and Citizens Bank of Northern California (“Citizens”).

Acquired loans that are not PCI loans are referred to as purchased not credit impaired (PNCI) loans. PNCI loans are accounted for under FASB ASC Topic 310-20, Receivables – Nonrefundable Fees and Other Costs, in which interest income is accrued on a level-yield basis for performing loans. For income recognition purposes, this method assumes that all contractual cash flows will be collected, and no allowance for loan losses is established at the time of acquistion. Post-acquisition date, an allowance for loan losses may need to be established for acquired loans through a provision charged to earnings for credit losses incurred subsequent to acquisition. Under ASC 310-20, the loss would be measured based on the probable shortfall in relation to the contractual note requirements, consistent with our allowance for loan loss policy for similar loans.

When referring to PNCI and PCI loans we will use the terms “nonaccretable difference”, “accretable yield”, or “purchase discount”. Nonaccretable difference is the difference between undiscounted contractual cash flows due and undiscounted cash flows we expect to collect, or put another way, it is the undiscounted contractual cash flows we do not expect to collect. Accretable yield is the difference between undiscounted cash flows we expect to collect and the value at which we have recorded the loan on our financial statements. On the date of acquisition, all purchased loans are recorded on our consolidated financial statements at estimated fair value. Purchase discount is the difference between the estimated fair value of loans on the date of acquisition and the principal amount owed by the borrower, net of charge offs, on the date of acquisition. We may also refer to “discounts to principal balance of loans owed, net of charge-offs”. Discounts to principal balance of loans owed, net of charge-offs is the difference between principal balance of loans owed, net of charge-offs, and loans as recorded on our financial statements. Discounts to principal balance of loans owed, net of charge-offs arise from purchase discounts, and equal the purchase discount on the acquisition date.

Loans are also categorized as “covered” or “noncovered”. Covered loans refer to loans covered by a Federal Deposit Insurance Corporation (“FDIC”) loss sharing agreement. Noncovered loans refer to loans not covered by a FDIC loss sharing agreement.

Foreclosed Assets

Foreclosed Assets

Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value less estimated costs to sell at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense. Gain or loss on sale of foreclosed assets is included in noninterest income. Foreclosed assets that are not subject to a FDIC loss-share agreement are referred to as noncovered foreclosed assets.

Foreclosed assets acquired through FDIC-assisted acquisitions that are subject to a FDIC loss-share agreement, and all assets acquired via foreclosure of covered loans are referred to as covered foreclosed assets. Covered foreclosed assets are reported exclusive of expected reimbursement cash flows from the FDIC. Foreclosed covered loan collateral is transferred into covered foreclosed assets at the loan’s carrying value, inclusive of the acquisition date fair value discount.

Covered foreclosed assets are initially recorded at estimated fair value less estimated costs to sell on the acquisition date based on similar market comparable valuations less estimated selling costs. Any subsequent valuation adjustments due to declines in fair value will be charged to noninterest expense, and will be mostly offset by noninterest income representing the corresponding increase to the FDIC indemnification asset for the offsetting loss reimbursement amount. Any recoveries of previous valuation adjustments will be credited to noninterest expense with a corresponding charge to noninterest income for the portion of the recovery that is due to the FDIC.

Premises and Equipment

Premises and Equipment

Land is carried at cost. Land improvements, buildings and equipment, including those acquired under capital lease, are stated at cost less accumulated depreciation and amortization. Depreciation and amortization expenses are computed using the straight-line method over the estimated useful lives of the related assets or lease terms. Asset lives range from 3-10 years for furniture and equipment and 15-40 years for land improvements and buildings.

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill represents the excess of costs over fair value of net assets of businesses acquired. Goodwill and other intangible assets acquired in a purchase business combination and determined to have an indefinite useful life are not amortized, but instead tested for impairment at least annually. Intangible assets with estimable useful lives are amortized over their respective estimated useful lives to their estimated residual values, and reviewed for impairment.

The Company has an identifiable intangible asset consisting of core deposit intangibles (CDI). CDI are amortized over their respective estimated useful lives, and reviewed for impairment.

Impairment of Long-Lived Assets and Goodwill

Impairment of Long-Lived Assets and Goodwill

Long-lived assets, such as premises and equipment, and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposed group classified as held for sale would be presented separately in the appropriate asset and liability sections of the consolidated balance sheet.

As of December 31 of each year, goodwill is tested for impairment, and is tested for impairment more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount exceeds the asset’s fair value. This determination is made at the reporting unit level. The Company may choose to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then goodwill is deemed not to be impaired. However, if the Company concludes otherwise, or if the Company elected not to first assess qualitative factors, then the Company performs the first step of a two-step impairment test by calculating the fair value of the reporting unit and comparing the fair value with the carrying amount of the reporting unit. Second, if the carrying amount of the reporting unit exceeds its fair value, an impairment loss is recognized for any excess of the carrying amount of the reporting unit’s goodwill over the implied fair value of that goodwill. The implied fair value of goodwill is determined by allocating the fair value of the reporting unit in a manner similar to a purchase price allocation. The residual fair value after this allocation is the implied fair value of the reporting unit goodwill. Currently, and historically, the Company is comprised of only one reporting unit that operates within the business segment it has identified as “community banking”. Goodwill was not impaired as of December 31, 2012 or 2011 because the fair value of the reporting unit exceeded its carrying value.

Mortgage Servicing Rights

Mortgage Servicing Rights

Mortgage servicing rights (MSR) represent the Company’s right to a future stream of cash flows based upon the contractual servicing fee associated with servicing mortgage loans. Our MSR arise from residential mortgage loans that we originate and sell, but retain the right to service the loans. The net gain from the retention of the servicing right is included in gain on sale of loans in noninterest income when the loan is sold. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model incorporates assumptions that market participants would use in estimating future net servicing income, such as the cost to service, the discount rate, the custodial earnings rate, an inflation rate, ancillary income, prepayment speeds and default rates and losses. Servicing fees are recorded in noninterest income when earned.

We account for MSR at fair value. The determination of fair value of our MSR requires management judgment because they are not actively traded. The determination of fair value for MSR requires valuation processes which combine the use of discounted cash flow models and extensive analysis of current market data to arrive at an estimate of fair value. The cash flow and prepayment assumptions used in our discounted cash flow model are based on empirical data drawn from the historical performance of our MSR, which we believe are consistent with assumptions used by market participants valuing similar MSR, and from data obtained on the performance of similar MSR. The key assumptions used in the valuation of MSR include mortgage prepayment speeds and the discount rate. These variables can, and generally will, change from quarter to quarter as market conditions and projected interest rates change. The key risks inherent with MSR are prepayment speed and changes in interest rates. The Company uses an independent third party to determine fair value of MSR.

Indemnification Asset

Indemnification Asset

The Company accounts for amounts receivable under loss-share agreements with the FDIC as indemnification assets in accordance with FASB ASC Topic 805, Business Combinations. FDIC indemnification assets are initially recorded at fair value, based on the discounted value of expected future cash flows under the loss-share agreements. The difference between the fair value and the undiscounted cash flows the Company expects to collect from the FDIC will be accreted into noninterest income over the life of the FDIC indemnification asset. FDIC indemnification assets are reviewed quarterly and adjusted for any changes in expected cash flows based on recent performance and expectations for future performance of the covered portfolios. These adjustments are measured on the same basis as the related covered loans and covered other real estate owned. Any increases in cash flow of the covered assets over those expected will reduce the FDIC indemnification asset and any decreases in cash flow of the covered assets under those expected will increase the FDIC indemnification asset. Increases and decreases to the FDIC indemnification asset are recorded as adjustments to noninterest income.

Reserve for Unfunded Commitments

Reserve for Unfunded Commitments

The reserve for unfunded commitments is established through a provision for losses – unfunded commitments charged to noninterest expense. The reserve for unfunded commitments is an amount that Management believes will be adequate to absorb probable losses inherent in existing commitments, including unused portions of revolving lines of credits and other loans, standby letters of credits, and unused deposit account overdraft privilege. The reserve for unfunded commitments is based on evaluations of the collectability, and prior loss experience of unfunded commitments. The evaluations take into consideration such factors as changes in the nature and size of the loan portfolio, overall loan portfolio quality, loan concentrations, specific problem loans and related unfunded commitments, and current economic conditions that may affect the borrower’s or depositor’s ability to pay.

Income Taxes

Income Taxes

The Company’s accounting for income taxes is based on an asset and liability approach. The Company recognizes the amount of taxes payable or refundable for the current year, and deferred tax assets and liabilities for the future tax consequences that have been recognized in its financial statements or tax returns. The measurement of tax assets and liabilities is based on the provisions of enacted tax laws. A valuation allowance, if needed, reduces deferred tax assets to the expected amount most likely to be realized. Realization of deferred tax assets is dependent upon the generation of a sufficient level of future taxable income and recoverable taxes paid in prior years. Although realization is not assured, management believes it is more likely than not that all of the deferred tax assets will be realized. Interest and/or penalties related to income taxes are reported as a component of noninterest income.

Off-Balance Sheet Credit Related Financial Instruments

Off-Balance Sheet Credit Related Financial Instruments

In the ordinary course of business, the Company has entered into commitments to extend credit, including commitments under credit card arrangements, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded when they are funded.

Geographical Descriptions

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s loans, the Company has defined northern California as that area of California north of, and including, Stockton; central California as that area of the state south of Stockton, to and including, Bakersfield; and southern California as that area of the state south of Bakersfield.

Reclassifications

Reclassifications

Certain amounts reported in previous consolidated financial statements have been reclassified to conform to the presentation in this report. These reclassifications did not affect previously reported net income or total shareholders’ equity.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

FASB issued ASU No. 2012-06, Business Combinations (Topic 805): Subsequent Accounting for an Indemnification Asset Recognized at the Acquisition Date as a Result of a Government-Assisted Acquisition of a Financial Institution. ASU 2012-06 requires that when a reporting entity recognizes an indemnification asset (in accordance with Subtopic 805-20) as a result of a government-assisted acquisition of a financial institution and subsequently a change in the cash flows expected to be collected on the indemnification asset occurs (as a result of a change in cash flows expected to be collected on the assets subject to indemnification), the reporting entity should subsequently account for the change in the measurement of the indemnification asset on the same basis as the change in the assets subject to indemnification. Any amortization of changes in value should be limited to the contractual term of the indemnification agreement (that is, the lesser of the term of the indemnification agreement and the remaining life of the indemnified assets). The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

FASB issued ASU No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. ASU 2013-02 amends recent guidance related to the reporting of comprehensive income to enhance the reporting of reclassifications out of accumulated other comprehensive income. The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

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Retirement Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net pension cost included the following components:
Service cost-benefits earned during the period	$ 185	$ 170
Interest cost on projected benefit obligation	160	172
Amortization of net obligation at transition
Amortization of prior service cost	38	38
Recognized net actuarial loss	72	72
Net periodic pension cost	$ 455	$ 452

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Future minimum commitments under non-cancelable operating leases with initial or remaining terms of one year or more

	Operating Leases
	(In thousands)
2013	$	2,772
2014		2,417
2015		1,536
2016		954
2017		617
Thereafter		1,312
Future minimum lease payments	$	9,608

Summary of the Bank's commitments and contingent liabilities

(In thousands)	March 31, 2013		December 31, 2012
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	133,953	$	123,517
Consumer loans		369,110		369,467
Real estate mortgage loans		27,388		27,959
Real estate construction loans		28,711		36,311
Standby letters of credit		2,004		2,905
Deposit account overdraft privilege		71,288		69,675

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Indemnification Asset (Tables)

3 Months Ended

Mar. 31, 2013

Indemnification Asset [Abstract]

A summary of the activity in the balance of indemnification asset

	Three months ended March 31,
	2013			2012
Beginning balance	$	1,997		$	4,405
Effect of actual covered losses and change in estimated future covered losses		(35	)		(418	)
Reimbursable (revenue) expenses, net		(39	)		58
Payments received		(116	)		(640	)
Ending balance	$	1,807		$	3,405

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Fair Value Measurement (Details 5) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financial assets:
Cash and due from banks	$ 70,023	$ 81,086
Accrued interest receivable	7,201	6,636
Indemnification asset	1,807	1,997
Financial liabilities:
Accrued interest payable	975	1,036
Other borrowings	8,125	9,197
Junior subordinated debt	41,238	41,238
Carrying Amount [Member] | Level 1 inputs [Member]
Financial assets:
Cash and due from banks	70,023	81,086
Cash at Federal Reserve and other banks	732,248	667,813
Carrying Amount [Member] | Level 2 inputs [Member]
Financial assets:
Restricted equity securities	9,647	9,647
Loans held for sale	7,931	12,053
Accrued interest receivable	7,201	6,636
Financial liabilities:
Deposits	2,285,550	2,289,702
Accrued interest payable	975	1,036
Other borrowings	8,125	9,197
Junior subordinated debt	41,238	41,238
Carrying Amount [Member] | Level 3 inputs [Member]
Financial assets:
Loans, net	1,492,495	1,522,175
Indemnification asset	1,807	1,997
Fair Value [Member] | Level 1 inputs [Member]
Financial assets:
Cash and due from banks	70,023	81,086
Cash at Federal Reserve and other banks	732,248	667,813
Fair Value [Member] | Level 2 inputs [Member]
Financial assets:
Restricted equity securities	9,647	9,647
Loans held for sale	7,931	12,053
Accrued interest receivable	7,201	6,636
Financial liabilities:
Deposits	2,287,439	2,291,841
Accrued interest payable	975	1,036
Other borrowings	8,125	9,197
Junior subordinated debt	28,454	28,042
Fair Value [Member] | Level 3 inputs [Member]
Financial assets:
Loans, net	1,572,687	1,607,044
Indemnification asset	1,807	1,997
Off-balance sheet:
Commitments	5,592	5,573
Standby letters of credit	20	29
Overdraft privilege commitments	713	697
Contract Amount [Member] | Level 3 inputs [Member]
Off-balance sheet:
Commitments	559,162	557,254
Standby letters of credit	2,004	2,905
Overdraft privilege commitments	$ 71,288	$ 69,675

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Investment Securities (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 Investment Securities	Dec. 31, 2012 Investment Securities
Investment Securities (Textual) [Abstract]
Investment securities sold	0	0
Investment securities carrying value	$ 67,078,000	$ 66,911,000
Mortgage-backed securities	$ 126,912,000
Life of mortgage-backed securities	3 years 6 months 0 days
Investment securities with gross unrealized losses	0	0

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Condensed Statements of Income
Interest expense	$ 1,237	$ 1,372	$ 1,834	$ 2,010	$ 2,128
Loss before equity in net income of Tri Counties Bank	14,294	8,132	8,636	8,773	6,390
Equity in net income of Tri Counties Bank:
Income tax benefit / expense	5,817	3,410	3,616	3,452	2,459
Net income	8,477	4,722	5,020	5,321	3,931
Parent [Member]
Condensed Statements of Income
Interest expense	311				338
Administration expense	145				131
Loss before equity in net income of Tri Counties Bank	(456)				(469)
Equity in net income of Tri Counties Bank:
Distributed	1,700				1,625
Under distributed	7,041				2,583
Income tax benefit / expense	192				192
Net income	$ 8,477				$ 3,931

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Stock Options and Other Equity-Based Incentive Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Stock Options and Other Equity-Based Incentive Instruments [Abstract]

Stock option activity

	Number of Shares			Option Price per Share					Weighted Average Exercise Price		Weighted Average Fair Value on Date of Grant
Outstanding at December 31, 2012		1,393,935		$	12.60	to	$	25.91	$	17.07
Options granted		7,500		$	16.59	to	$	16.59	$	16.59	$	7.51
Options exercised		(20,000	)	$	13.09	to	$	13.09	$	13.09
Options forfeited		—			—	to		—		—
Outstanding at March 31, 2013		1,381,435		$	12.60	to	$	25.91	$	17.13

Summary of options outstanding

	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		1,047,546		333,889		1,381,435
Weighted average exercise price	$	17.65	$	15.49	$	17.13
Intrinsic value (in thousands)	$	1,379	$	568	$	1,947
Weighted average remaining contractual term (yrs.)		3.7		8.5		4.9

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Allowance for Loan Losses (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013 Category	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Minimum [Member]	Mar. 31, 2013 Originated loans [Member]	Dec. 31, 2012 Originated loans [Member]	Mar. 31, 2013 PNCI loans [Member]	Dec. 31, 2012 PNCI loans [Member]
Allowance for Loan Losses (Textual) [Abstract]
Impaired TDR Loans				$ 51,458,000	$ 57,223,000	$ 954,000	$ 950,000
Additional funds in TDR				92,000	137,000
Obligations to lend additional fund on TDR						$ 0	$ 0
Period of collateral payment of loan		12 months	3 months
Allowance for Loan Losses (Additional Textual) [Abstract]
Number of categories occupied under commercial real estate loan	2

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Stock Options and Other Equity-Based Incentive Instruments (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Stock Options and Other Equity-Based Incentive Instruments (Textual) [Abstract]
Outstanding options under the plan	1,381,435	1,393,935
Stock Options and Other Equity Based Incentive Instruments (Additional Textual) [Abstract]
Options currently not exercisable yet expected to vest	333,889
Weighted-average remaining contractual term	3 years 3 months 18 days
Pre-tax compensation costs expected to recognize	$ 2,308,000
Maximum [Member]
Stock Options and Other Equity-Based Incentive Instruments (Textual) [Abstract]
Maximum aggregate number of shares of TriCo's common stock issued	1,650,000
Minimum [Member]
Stock Options and Other Equity-Based Incentive Instruments (Textual) [Abstract]
Maximum aggregate number of shares of TriCo's common stock issued	650,000
2009 Plan [Member]
Stock Options and Other Equity-Based Incentive Instruments (Textual) [Abstract]
Number of shares to be reduced pursuant to stock option for computation of available number of shares for issuance	1
Number of shares to be reduced pursuant to restricted stock award for computation of available number of shares for issuance	2
Outstanding options under the plan	585,500
Options available for grant under the plan	1,064,500
2001 Plan [Member]
Stock Options and Other Equity-Based Incentive Instruments (Textual) [Abstract]
Share based compensation grant expiry period	10 years
Outstanding options under the plan	795,935
Options available for grant under the plan	0

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Other Intangible Assets [Abstract]

Summary of goodwill intangible

(In thousands)	March 31, 2013		Additions		Reductions		December 31, 2012
Goodwill	$	15,519		—		—	$	15,519

Summary of core deposit intangibles

(In thousands)	March 31, 2013			Additions		Reductions			December 31, 2012
Core deposit intangibles	$	1,460			—		—		$	1,460
Accumulated amortization		(420	)		—	$	(52	)		(368	)
Core deposit intangibles, net	$	1,040			—	$	(52	)	$	1,092

Estimated core deposit intangible amortization

Years Ended	Estimated Core Deposit Intangible Amortization
2013	$	209
2014		209
2015		209
2016		209
2017		209
2018	$	47

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Retirement Plans

3 Months Ended

Mar. 31, 2013

Retirement Plans [Abstract]

Retirement Plans

Note 25—Retirement Plans

The Company has supplemental retirement plans for current and former directors and key executives. These plans are non-qualified defined benefit plans and are unsecured and unfunded. The Company has purchased insurance on the lives of the participants and intends (but is not required) to use the cash values of these policies to pay the retirement obligations. The following table sets forth the net periodic benefit cost recognized for the plans:

	Three months ended March 31,
	2013		2012
	(In thousands)
Net pension cost included the following components:
Service cost-benefits earned during the period	$	185	$	170
Interest cost on projected benefit obligation		160		172
Amortization of net obligation at transition		—		—
Amortization of prior service cost		38		38
Recognized net actuarial loss		72		72
Net periodic pension cost	$	455	$	452

During the three months ended March 31, 2013 and 2012, the Company contributed and paid out as benefits $106,000 and $106,000, respectively, to participants under the plans. For the year ending December 31, 2013, the Company expects to contribute and pay out as benefits $472,000 to participants under the plans.

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Foreclosed Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Asset	Mar. 31, 2012 Asset
Summary of the activity in the balance of foreclosed assets
Beginning balance, net	$ 7,498	$ 16,332
Additions/transfers from loans	5,736	1,919
Dispositions/sales	(7,083)	(3,379)
Valuation adjustments	(27)	(83)
Ending balance, net	6,124	14,789
Ending valuation allowance	1,472	(1,753)
Ending number of foreclosed assets	37	63
Proceeds from sale of foreclosed assets	7,635	3,021
Gain (loss) on sale of foreclosed assets	551	(358)
Non covered [Member]
Summary of the activity in the balance of foreclosed assets
Beginning balance, net	5,957	13,268
Additions/transfers from loans	5,473	1,694
Dispositions/sales	(6,816)	(3,379)
Valuation adjustments	(27)	(83)
Ending balance, net	4,587	11,500
Ending valuation allowance	984	(977)
Ending number of foreclosed assets	33	52
Proceeds from sale of foreclosed assets	7,354	3,021
Gain (loss) on sale of foreclosed assets	538	(358)
Covered [Member]
Summary of the activity in the balance of foreclosed assets
Beginning balance, net	1,541	3,064
Additions/transfers from loans	263	225
Dispositions/sales	(267)
Valuation adjustments
Ending balance, net	1,537	3,289
Ending valuation allowance	488	(776)
Ending number of foreclosed assets	4	11
Proceeds from sale of foreclosed assets	280
Gain (loss) on sale of foreclosed assets	$ 13

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Fair Value Measurement (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended						3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Mortgage servicing rights [Member]	Dec. 31, 2012 Mortgage servicing rights [Member]	Mar. 31, 2012 Mortgage servicing rights [Member]	Dec. 31, 2011 Mortgage servicing rights [Member]	Mar. 31, 2013 Mortgage servicing rights [Member] Maximum [Member]	Mar. 31, 2013 Mortgage servicing rights [Member] Minimum [Member]	Mar. 31, 2013 Mortgage servicing rights [Member] Weighted Average [Member]
Quantitative information about recurring Level 3 fair value measurements
Mortgages servicing rights fair value			$ 4,984	$ 4,552	$ 4,784	$ 4,603
Valuation Techniques			Discounted cash flow
Constant prepayment rate	17.30%	18.40%					24.00%	7.50%	17.30%
Discount rate	10.00%	9.00%					10.00%	10.00%	10.00%

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Details Textual) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Aug. 21, 2007
TriCo Bancshares Condensed Financial Statements (Parent Only) (Textual) [Abstract]
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	16,005,191	16,000,838
Common stock, shares outstanding	16,005,191	16,000,838	15,814,662
Parent [Member]
TriCo Bancshares Condensed Financial Statements (Parent Only) (Textual) [Abstract]
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	16,005,191	16,000,838
Common stock, shares outstanding	16,005,191	16,000,838

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Allowance for Loan Losses (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	$ 42,648,000	$ 45,914,000	$ 45,914,000
Charge-offs	(2,771,000)	(4,922,000)	(16,484,000)
Recoveries	1,098,000	464,000	3,795,000
(Benefit) provision	(1,108,000)	3,996,000	9,423,000
Ending balance	39,867,000	45,452,000	42,648,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	5,045,000	4,776,000	4,505,000
Loans pooled for evaluation, Allowance for Loan Losses	30,520,000	35,889,000	33,233,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	4,302,000	4,787,000	4,910,000
Total loans	1,532,362,000	1,511,085,000	1,564,823,000
Individually evaluated for impairment loans, net of unearned fees	90,240,000	112,220,000	101,330,000
Loans pooled for evaluation, net of unearned fees	1,377,219,000	1,320,459,000	1,393,925,000
Loans acquired with deteriorated credit quality, net of unearned fees	64,903,000	78,406,000	69,568,000
RE Mortgage [Member] | Residential [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	3,523,000	2,404,000	2,404,000
Charge-offs	(7,000)	(223,000)	(1,558,000)
Recoveries			147,000
(Benefit) provision	(173,000)	976,000	2,530,000
Ending balance	3,343,000	3,157,000	3,523,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	479,000	582,000	631,000
Loans pooled for evaluation, Allowance for Loan Losses	2,498,000	2,463,000	2,526,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	366,000	113,000	366,000
Total loans	135,960,000	130,500,000	131,684,000
Individually evaluated for impairment loans, net of unearned fees	6,238,000	10,490,000	6,586,000
Loans pooled for evaluation, net of unearned fees	124,712,000	113,808,000	120,082,000
Loans acquired with deteriorated credit quality, net of unearned fees	5,010,000	6,202,000	5,016,000
RE Mortgage [Member] | Commercial [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	8,782,000	13,217,000	13,217,000
Charge-offs	(803,000)	(1,305,000)	(3,457,000)
Recoveries	353,000	36,000	1,020,000
(Benefit) provision	1,078,000	(1,967,000)	(1,998,000)
Ending balance	9,410,000	9,981,000	8,782,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	1,804,000	1,041,000	515,000
Loans pooled for evaluation, Allowance for Loan Losses	7,326,000	8,939,000	8,026,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	280,000		241,000
Total loans	874,289,000	816,859,000	878,446,000
Individually evaluated for impairment loans, net of unearned fees	64,812,000	69,817,000	71,077,000
Loans pooled for evaluation, net of unearned fees	777,466,000	714,579,000	776,137,000
Loans acquired with deteriorated credit quality, net of unearned fees	32,011,000	32,463,000	31,232,000
Home Equity Lines [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	21,367,000	18,258,000	18,258,000
Charge-offs	(766,000)	(2,625,000)	(8,042,000)
Recoveries	290,000	63,000	398,000
(Benefit) provision	(1,568,000)	6,336,000	10,753,000
Ending balance	19,323,000	22,032,000	21,367,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	1,613,000	1,578,000	2,264,000
Loans pooled for evaluation, Allowance for Loan Losses	16,496,000	18,949,000	17,862,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	1,214,000	1,505,000	1,241,000
Total loans	333,044,000	350,062,000	342,025,000
Individually evaluated for impairment loans, net of unearned fees	8,721,000	8,777,000	10,056,000
Loans pooled for evaluation, net of unearned fees	311,258,000	327,018,000	318,403,000
Loans acquired with deteriorated credit quality, net of unearned fees	13,065,000	14,267,000	13,566,000
Home Equity Loans [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	1,155,000	1,101,000	1,101,000
Charge-offs	(26,000)	(41,000)	(385,000)
Recoveries	9,000	3,000	100,000
(Benefit) provision	(1,000)	204,000	339,000
Ending balance	1,137,000	1,267,000	1,155,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	50,000	59,000	81,000
Loans pooled for evaluation, Allowance for Loan Losses	1,006,000	1,096,000	995,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	81,000	111,000	79,000
Total loans	13,083,000	14,559,000	13,557,000
Individually evaluated for impairment loans, net of unearned fees	576,000	549,000	528,000
Loans pooled for evaluation, net of unearned fees	12,304,000	13,805,000	12,825,000
Loans acquired with deteriorated credit quality, net of unearned fees	203,000	205,000	204,000
Auto indirect [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	243,000	215,000	215,000
Charge-offs	(25,000)	(40,000)	(83,000)
Recoveries	85,000	57,000	215,000
(Benefit) provision	(155,000)	343,000	(104,000)
Ending balance	148,000	575,000	243,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	7,000	14,000	5,000
Loans pooled for evaluation, Allowance for Loan Losses	141,000	560,000	238,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses
Total loans	2,821,000	8,397,000	3,816,000
Individually evaluated for impairment loans, net of unearned fees	176,000	404,000	197,000
Loans pooled for evaluation, net of unearned fees	2,645,000	7,993,000	3,619,000
Other Consumer [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	696,000	932,000	932,000
Charge-offs	(273,000)	(339,000)	(1,202,000)
Recoveries	224,000	255,000	860,000
(Benefit) provision	(84,000)	(248,000)	106,000
Ending balance	563,000	600,000	696,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	8,000	17,000	47,000
Loans pooled for evaluation, Allowance for Loan Losses	555,000	584,000	649,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses
Total loans	27,115,000	23,671,000	26,713,000
Individually evaluated for impairment loans, net of unearned fees	97,000	177,000	121,000
Loans pooled for evaluation, net of unearned fees	26,993,000	23,446,000	26,560,000
Loans acquired with deteriorated credit quality, net of unearned fees	25,000	48,000	32,000
C&I [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	4,703,000	6,545,000	6,545,000
Charge-offs	(790,000)	(281,000)	(1,251,000)
Recoveries	70,000	50,000	643,000
(Benefit) provision	252,000	(1,764,000)	(1,234,000)
Ending balance	4,235,000	4,550,000	4,703,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	823,000	357,000	840,000
Loans pooled for evaluation, Allowance for Loan Losses	1,935,000	2,563,000	2,342,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	1,477,000	1,630,000	1,521,000
Total loans	115,483,000	128,343,000	135,528,000
Individually evaluated for impairment loans, net of unearned fees	5,867,000	9,286,000	8,562,000
Loans pooled for evaluation, net of unearned fees	101,187,000	106,689,000	117,429,000
Loans acquired with deteriorated credit quality, net of unearned fees	8,429,000	12,368,000	9,537,000
Construction [Member] | Residential [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	1,400,000	1,817,000	1,817,000
Charge-offs	(20,000)	(68,000)	(406,000)
Recoveries	61,000		412,000
(Benefit) provision	(105,000)	(77,000)	(423,000)
Ending balance	1,336,000	1,672,000	1,400,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	219,000	80,000	11,000
Loans pooled for evaluation, Allowance for Loan Losses	438,000	625,000	430,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	679,000	967,000	959,000
Total loans	19,521,000	22,364,000	18,459,000
Individually evaluated for impairment loans, net of unearned fees	3,410,000	5,606,000	3,596,000
Loans pooled for evaluation, net of unearned fees	11,088,000	7,569,000	8,281,000
Loans acquired with deteriorated credit quality, net of unearned fees	5,023,000	9,189,000	6,582,000
Construction [Member] | Commercial [Member]
Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated
Beginning balance	779,000	1,425,000	1,425,000
Charge-offs	(61,000)		(100,000)
Recoveries	6,000
(Benefit) provision	(352,000)	193,000	(546,000)
Ending balance	372,000	1,618,000	779,000
Ending balance:
Individually evaluated for impairment, Allowance for Loan Losses	42,000	1,048,000	111,000
Loans pooled for evaluation, Allowance for Loan Losses	125,000	110,000	165,000
Loans acquired with deteriorated credit quality, Allowance for Loan Losses	205,000	461,000	503,000
Total loans	11,046,000	16,330,000	14,595,000
Individually evaluated for impairment loans, net of unearned fees	343,000	7,114,000	607,000
Loans pooled for evaluation, net of unearned fees	9,566,000	5,552,000	10,589,000
Loans acquired with deteriorated credit quality, net of unearned fees	$ 1,137,000	$ 3,664,000	$ 3,399,000

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Indemnification Asset (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
A summary of the activity in the balance of indemnification asset
Beginning balance	$ 1,997	$ 4,405
Effect of actual covered losses and change in estimated future covered losses	(35)	(418)
Reimbursable (revenue) expenses, net	(39)	58
Payments received	(116)	(640)
Ending balance	$ 1,807	$ 3,405

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Taxes [Abstract]

Reconciliation of effective tax rate and statutory federal income tax rate

	Three months ended March 31,
	2013			2012
Federal statutory income tax rate		35.0	%		35.0	%
State income taxes, net of federal tax benefit		6.8			6.3
Tax-exempt interest on municipal obligations		(0.2	)		(0.6	)
Increase in cash value of insurance policies		(1.0	)		(2.5	)
Other		0.1			0.3
Effective Tax Rate		40.7	%		38.5	%

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Earnings Per Share (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Computation of Earnings per Share
Net income	$ 8,477	$ 4,722	$ 5,020	$ 5,321	$ 3,931
Average number of common shares outstanding	16,002				15,979
Effect of dilutive stock options	89				64
Average number of common shares outstanding used to calculate diluted earnings per share	16,091				16,043
Options excluded from diluted earnings per share because the effect of these options was antidilutive	856				869

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Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	$ 72,126	$ 86,818	$ 82,411
Unpaid principal, with no related allowance recorded	85,594	109,246	97,205
Average recorded Investment, with no related allowance recorded	77,271	82,437	84,095
Interest income Recognized, with no related allowance recorded	386	439	2,749
Recorded investment, with an allowance recorded	15,718	22,685	16,457
Unpaid principal, with an allowance recorded	21,176	26,274	20,127
Related allowance, with an allowance recorded	4,464	4,673	4,252
Average recorded Investment, with an allowance recorded	16,089	23,578	29,443
Interest income Recognized, with an allowance recorded	104	182	428
PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	1,614	2,475	1,833
Unpaid principal, with no related allowance recorded	3,689	2,516	4,038
Average recorded Investment, with no related allowance recorded	1,725	1,238	2,474
Interest income Recognized, with no related allowance recorded	4	27	138
Recorded investment, with an allowance recorded	782	242	629
Unpaid principal, with an allowance recorded	813	246	673
Related allowance, with an allowance recorded	581	103	253
Average recorded Investment, with an allowance recorded	707	121	525
Interest income Recognized, with an allowance recorded	9	3	24
RE Mortgage [Member] | Residential [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	4,017	7,288	3,520
Unpaid principal, with no related allowance recorded	6,192	9,377	5,349
Average recorded Investment, with no related allowance recorded	3,769	8,079	6,329
Interest income Recognized, with no related allowance recorded	7	22	71
Recorded investment, with an allowance recorded	2,025	3,040	2,867
Unpaid principal, with an allowance recorded	2,252	3,524	3,432
Related allowance, with an allowance recorded	447	559	603
Average recorded Investment, with an allowance recorded	2,446	3,399	3,890
Interest income Recognized, with an allowance recorded	15	6	67
RE Mortgage [Member] | Residential [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded			16
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded	197	162	199
Unpaid principal, with an allowance recorded	224	162	225
Related allowance, with an allowance recorded	32	23	28
Average recorded Investment, with an allowance recorded	198	81	213
Interest income Recognized, with an allowance recorded	1	3	9
RE Mortgage [Member] | Commercial [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	57,206	61,224	66,031
Unpaid principal, with no related allowance recorded	62,263	72,273	70,709
Average recorded Investment, with no related allowance recorded	61,619	52,833	61,299
Interest income Recognized, with no related allowance recorded	362	375	2,513
Recorded investment, with an allowance recorded	5,816	6,521	3,258
Unpaid principal, with an allowance recorded	6,095	7,010	3,556
Related allowance, with an allowance recorded	1,296	1,043	352
Average recorded Investment, with an allowance recorded	4,537	10,714	7,841
Interest income Recognized, with an allowance recorded	47	62	129
RE Mortgage [Member] | Commercial [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	1,271	2,072	1,468
Unpaid principal, with no related allowance recorded	3,300	2,075	3,452
Average recorded Investment, with no related allowance recorded	1,370	1,036	2,097
Interest income Recognized, with no related allowance recorded	4	26	133
Recorded investment, with an allowance recorded	519		320
Unpaid principal, with an allowance recorded	519		331
Related allowance, with an allowance recorded	508		163
Average recorded Investment, with an allowance recorded	420		121
Interest income Recognized, with an allowance recorded	7		12
Home Equity Lines [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	5,138	4,039	4,241
Unpaid principal, with no related allowance recorded	8,437	6,755	6,691
Average recorded Investment, with no related allowance recorded	4,690	5,053	4,311
Interest income Recognized, with no related allowance recorded	5	4	58
Recorded investment, with an allowance recorded	3,244	4,332	5,412
Unpaid principal, with an allowance recorded	4,086	5,389	7,103
Related allowance, with an allowance recorded	1,576	1,498	2,237
Average recorded Investment, with an allowance recorded	4,328	3,690	6,331
Interest income Recognized, with an allowance recorded	16	11	103
Home Equity Lines [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	302	326	365
Unpaid principal, with no related allowance recorded	343	363	586
Average recorded Investment, with no related allowance recorded	334	163	308
Interest income Recognized, with no related allowance recorded			5
Recorded investment, with an allowance recorded	37	80	38
Unpaid principal, with an allowance recorded	41	84	41
Related allowance, with an allowance recorded	37	80	27
Average recorded Investment, with an allowance recorded	38	40	148
Interest income Recognized, with an allowance recorded			1
Home equity loans [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	460	188	361
Unpaid principal, with no related allowance recorded	1,110	488	781
Average recorded Investment, with no related allowance recorded	411	479	329
Interest income Recognized, with no related allowance recorded		1	1
Recorded investment, with an allowance recorded	116	361	167
Unpaid principal, with an allowance recorded	166	720	396
Related allowance, with an allowance recorded	50	59	81
Average recorded Investment, with an allowance recorded	142	188	317
Interest income Recognized, with an allowance recorded	1		16
Home equity loans [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded			11
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded
Unpaid principal, with an allowance recorded
Related allowance, with an allowance recorded
Average recorded Investment, with an allowance recorded
Interest income Recognized, with an allowance recorded
Auto indirect [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	151	311	163
Unpaid principal, with no related allowance recorded	292	568	311
Average recorded Investment, with no related allowance recorded	157	467	263
Interest income Recognized, with no related allowance recorded	1	1	3
Recorded investment, with an allowance recorded	25	93	34
Unpaid principal, with an allowance recorded	32	117	51
Related allowance, with an allowance recorded	7	14	5
Average recorded Investment, with an allowance recorded	30	297	102
Interest income Recognized, with an allowance recorded			1
Auto indirect [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded
Unpaid principal, with an allowance recorded
Related allowance, with an allowance recorded
Average recorded Investment, with an allowance recorded
Interest income Recognized, with an allowance recorded
Other Consumer [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	23	55	19
Unpaid principal, with no related allowance recorded	40	80	40
Average recorded Investment, with no related allowance recorded	21	44	42
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded	4	45	30
Unpaid principal, with an allowance recorded	4	47	32
Related allowance, with an allowance recorded	4	17	12
Average recorded Investment, with an allowance recorded	17	46	49
Interest income Recognized, with an allowance recorded			1
Other Consumer [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	41	77
Unpaid principal, with no related allowance recorded	46	78
Average recorded Investment, with no related allowance recorded	21	39	31
Interest income Recognized, with no related allowance recorded		1
Recorded investment, with an allowance recorded	29		72
Unpaid principal, with an allowance recorded	29		76
Related allowance, with an allowance recorded	4		35
Average recorded Investment, with an allowance recorded	51		43
Interest income Recognized, with an allowance recorded	1		2
C&I [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	4,240	8,453	4,238
Unpaid principal, with no related allowance recorded	5,392	9,110	4,613
Average recorded Investment, with no related allowance recorded	4,239	6,597	7,500
Interest income Recognized, with no related allowance recorded	11	33	73
Recorded investment, with an allowance recorded	1,626	833	4,324
Unpaid principal, with an allowance recorded	1,680	873	4,992
Related allowance, with an allowance recorded	823	357	840
Average recorded Investment, with an allowance recorded	2,975	704	2,800
Interest income Recognized, with an allowance recorded	19	7	100
C&I [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded			11
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded
Unpaid principal, with an allowance recorded
Related allowance, with an allowance recorded
Average recorded Investment, with an allowance recorded
Interest income Recognized, with an allowance recorded
Construction [Member] | Residential [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	696	4,631	3,554
Unpaid principal, with no related allowance recorded	1,442	9,642	8,227
Average recorded Investment, with no related allowance recorded	2,125	5,315	3,505
Interest income Recognized, with no related allowance recorded			20
Recorded investment, with an allowance recorded	2,713	975	42
Unpaid principal, with an allowance recorded	6,680	2,071	42
Related allowance, with an allowance recorded	219	78	11
Average recorded Investment, with an allowance recorded	1,378	815	1,543
Interest income Recognized, with an allowance recorded	5	2	6
Construction [Member] | Residential [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded
Unpaid principal, with an allowance recorded
Related allowance, with an allowance recorded
Average recorded Investment, with an allowance recorded
Interest income Recognized, with an allowance recorded
Construction [Member] | Commercial [Member] | Originated loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded	195	629	284
Unpaid principal, with no related allowance recorded	426	953	484
Average recorded Investment, with no related allowance recorded	240	3,570	517
Interest income Recognized, with no related allowance recorded		3	10
Recorded investment, with an allowance recorded	149	6,485	323
Unpaid principal, with an allowance recorded	181	6,523	523
Related allowance, with an allowance recorded	42	1,048	111
Average recorded Investment, with an allowance recorded	236	3,725	6,570
Interest income Recognized, with an allowance recorded	1	94	5
Construction [Member] | Commercial [Member] | PNCI loans [Member]
Impaired loans
Recorded investment, with no related allowance recorded
Unpaid principal, with no related allowance recorded
Average recorded Investment, with no related allowance recorded
Interest income Recognized, with no related allowance recorded
Recorded investment, with an allowance recorded
Unpaid principal, with an allowance recorded
Related allowance, with an allowance recorded
Average recorded Investment, with an allowance recorded
Interest income Recognized, with an allowance recorded

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Goodwill and Other Intangible Assets (Details 2) (Core Deposits [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Core Deposits [Member]
Estimated core deposit intangible amortization
2013	$ 209
2014	209
2015	209
2016	209
2017	209
2018	$ 47

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Premises and Equipment (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Premises and Equipment (Textual) [Abstract]
Depreciation expense for premises and equipment	$ 741,000	$ 782,000

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Goodwill and Other Intangible Assets (Details Textual) (USD $)	Sep. 23, 2011 Citizens [Member]	May 28, 2010 Granite [Member]
Goodwill and Other Intangible Assets (Textual) [Abstract]
Additions to core deposit intangibles	$ 898,000	$ 562,000

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Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Loan	Mar. 31, 2012 Loan
Troubled debt restructuring
Number	3	15
Pre-modification out-standing principal balance	$ 257	$ 3,164
Post-modification out-standing principal balance	260	3,175
Financial Impact due to troubled debt restructure taken as additional provisions		16
Number that defaulted during the period		6
Recorded investment of TDRs that defaulted during the period		2,783
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
RE Mortgage [Member] | Residential [Member]
Troubled debt restructuring
Number		2
Pre-modification out-standing principal balance		650
Post-modification out-standing principal balance		669
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period		1
Recorded investment of TDRs that defaulted during the period		112
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
RE Mortgage [Member] | Commercial [Member]
Troubled debt restructuring
Number		7
Pre-modification out-standing principal balance		1,561
Post-modification out-standing principal balance		1,523
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period		4
Recorded investment of TDRs that defaulted during the period		2,632
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Home Equity Lines [Member]
Troubled debt restructuring
Number	3	2
Pre-modification out-standing principal balance	257	436
Post-modification out-standing principal balance	260	464
Financial Impact due to troubled debt restructure taken as additional provisions		16
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Home Equity Loans [Member]
Troubled debt restructuring
Number
Pre-modification out-standing principal balance
Post-modification out-standing principal balance
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Auto indirect [Member]
Troubled debt restructuring
Number
Pre-modification out-standing principal balance
Post-modification out-standing principal balance
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Other Consumer [Member]
Troubled debt restructuring
Number		1
Pre-modification out-standing principal balance		38
Post-modification out-standing principal balance		38
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
C&I [Member]
Troubled debt restructuring
Number		1
Pre-modification out-standing principal balance		249
Post-modification out-standing principal balance		249
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Construction [Member] | Residential [Member]
Troubled debt restructuring
Number		2
Pre-modification out-standing principal balance		230
Post-modification out-standing principal balance		232
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period
Recorded investment of TDRs that defaulted during the period
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions
Construction [Member] | Commercial [Member]
Troubled debt restructuring
Number
Pre-modification out-standing principal balance
Post-modification out-standing principal balance
Financial Impact due to troubled debt restructure taken as additional provisions
Number that defaulted during the period		1
Recorded investment of TDRs that defaulted during the period		39
Financial Impact due to the default of previous troubled debt structure taken as charge-offs or additional provisions

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Loans (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Mortgage loans on real estate:
Total mortgage loan on real estate	$ 1,010,249,000	$ 1,010,130,000
Consumer:
Total consumer loans	376,063,000	386,111,000
Commercial	115,483,000	135,528,000
Construction:
Total construction	30,567,000	33,054,000
Total loans, net of deferred loan fees	1,532,362,000	1,564,823,000
Total principal balance of loans owed-net of charge-offs	1,573,092,000	1,607,331,000
Unamortized net deferred loan fees	(2,944,000)	(2,812,000)
Discounts to principal balance of loans owed, net of charge-offs	(37,786,000)	(39,696,000)
Total loans, net of unamortized deferred loan fees	1,532,362,000	1,564,823,000
Noncovered loans	1,492,570,000	1,522,935,000
Covered loans	39,792,000	41,888,000
Total loans, net of unamortized deferred loan fees	1,532,362,000	1,564,823,000
Allowance for loan losses	(39,867,000)	(42,648,000)	(45,452,000)	(45,914,000)
Auto Indirect [Member]
Consumer:
Total consumer loans	2,821,000	3,816,000
Other [Member]
Consumer:
Total consumer loans	27,115,000	26,713,000
Home equity lines of credit [Member]
Consumer:
Total consumer loans	333,044,000	342,025,000
Home equity loans [Member]
Consumer:
Total consumer loans	13,083,000	13,557,000
Residential [Member]
Construction:
Total construction	19,521,000	18,459,000
Commercial [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	874,289,000	878,446,000
Construction:
Total construction	11,046,000	14,595,000
Residential 1-4 family [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	135,960,000	131,684,000
Originated [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	898,171,000	896,379,000
Consumer:
Total consumer loans	343,818,000	352,761,000
Commercial	106,275,000	125,122,000
Construction:
Total construction	24,407,000	23,073,000
Total loans, net of deferred loan fees	1,372,671,000	1,397,335,000
Total principal balance of loans owed-net of charge-offs	1,375,615,000	1,400,147,000
Unamortized net deferred loan fees	(2,944,000)	(2,812,000)
Discounts to principal balance of loans owed, net of charge-offs
Total loans, net of unamortized deferred loan fees	1,372,671,000	1,397,335,000
Noncovered loans	1,372,671,000	1,397,335,000
Covered loans
Total loans, net of unamortized deferred loan fees	1,372,671,000	1,397,335,000
Allowance for loan losses	32,698,000	(35,769,000)
Originated [Member] | Auto Indirect [Member]
Consumer:
Total consumer loans	2,821,000	3,816,000
Originated [Member] | Other [Member]
Consumer:
Total consumer loans	24,826,000	24,263,000
Originated [Member] | Home equity lines of credit [Member]
Consumer:
Total consumer loans	303,638,000	311,671,000
Originated [Member] | Home equity loans [Member]
Consumer:
Total consumer loans	12,533,000	13,011,000
Originated [Member] | Residential [Member]
Construction:
Total construction	14,498,000	11,877,000
Originated [Member] | Commercial [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	772,296,000	775,124,000
Construction:
Total construction	9,909,000	11,196,000
Originated [Member] | Residential 1-4 family [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	125,875,000	121,255,000
PNCI [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	75,057,000	77,503,000
Consumer:
Total consumer loans	18,952,000	19,548,000
Commercial	779,000	869,000
Construction:
Total construction
Total loans, net of deferred loan fees	94,788,000	97,920,000
Total principal balance of loans owed-net of charge-offs	107,268,000	111,286,000
Unamortized net deferred loan fees
Discounts to principal balance of loans owed, net of charge-offs	(12,480,000)	(13,366,000)
Total loans, net of unamortized deferred loan fees	94,788,000	97,920,000
Noncovered loans	94,788,000	97,920,000
Covered loans
Total loans, net of unamortized deferred loan fees	94,788,000	97,920,000
Allowance for loan losses	2,867,000	(1,969,000)
PNCI [Member] | Auto Indirect [Member]
Consumer:
Total consumer loans
PNCI [Member] | Other [Member]
Consumer:
Total consumer loans	2,264,000	2,418,000
PNCI [Member] | Home equity lines of credit [Member]
Consumer:
Total consumer loans	16,341,000	16,788,000
PNCI [Member] | Home equity loans [Member]
Consumer:
Total consumer loans	347,000	342,000
PNCI [Member] | Residential [Member]
Construction:
Total construction
PNCI [Member] | Commercial [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	69,982,000	72,090,000
Construction:
Total construction
PNCI [Member] | Residential 1-4 family [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	5,075,000	5,413,000
PCI- Cash basis [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate		1,289,000
Consumer:
Total consumer loans	7,461,000	7,661,000
Commercial	36,000	22,000
Construction:
Total construction
Total loans, net of deferred loan fees	7,497,000	8,972,000
Total principal balance of loans owed-net of charge-offs	18,783,000	20,621,000
Unamortized net deferred loan fees
Discounts to principal balance of loans owed, net of charge-offs	(11,286,000)	(11,649,000)
Total loans, net of unamortized deferred loan fees	7,497,000	8,972,000
Noncovered loans	7,497,000	8,972,000
Covered loans
Total loans, net of unamortized deferred loan fees	7,497,000	8,972,000
Allowance for loan losses	1,039,000	(1,054,000)
PCI- Cash basis [Member] | Auto Indirect [Member]
Consumer:
Total consumer loans
PCI- Cash basis [Member] | Other [Member]
Consumer:
Total consumer loans
PCI- Cash basis [Member] | Home equity lines of credit [Member]
Consumer:
Total consumer loans	7,413,000	7,612,000
PCI- Cash basis [Member] | Home equity loans [Member]
Consumer:
Total consumer loans	48,000	49,000
PCI- Cash basis [Member] | Residential [Member]
Construction:
Total construction
PCI- Cash basis [Member] | Commercial [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate		1,289,000
Construction:
Total construction
PCI- Cash basis [Member] | Residential 1-4 family [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate
PCI- Other [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	37,021,000	34,959,000
Consumer:
Total consumer loans	5,832,000	6,141,000
Commercial	8,393,000	9,515,000
Construction:
Total construction	6,160,000	9,981,000
Total loans, net of deferred loan fees	57,406,000	60,596,000
Total principal balance of loans owed-net of charge-offs	71,426,000	75,277,000
Unamortized net deferred loan fees
Discounts to principal balance of loans owed, net of charge-offs	(14,020,000)	(14,681,000)
Total loans, net of unamortized deferred loan fees	57,406,000	60,596,000
Noncovered loans	17,614,000	18,708,000
Covered loans	39,792,000	41,888,000
Total loans, net of unamortized deferred loan fees	57,406,000	60,596,000
Allowance for loan losses	3,263,000	(3,856,000)
PCI- Other [Member] | Auto Indirect [Member]
Consumer:
Total consumer loans
PCI- Other [Member] | Other [Member]
Consumer:
Total consumer loans	25,000	32,000
PCI- Other [Member] | Home equity lines of credit [Member]
Consumer:
Total consumer loans	5,652,000	5,954,000
PCI- Other [Member] | Home equity loans [Member]
Consumer:
Total consumer loans	155,000	155,000
PCI- Other [Member] | Residential [Member]
Construction:
Total construction	5,023,000	6,582,000
PCI- Other [Member] | Commercial [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	32,011,000	29,943,000
Construction:
Total construction	1,137,000	3,399,000
PCI- Other [Member] | Residential 1-4 family [Member]
Mortgage loans on real estate:
Total mortgage loan on real estate	$ 5,010,000	$ 5,016,000

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Junior Subordinated Debt

3 Months Ended

Mar. 31, 2013

Junior Subordinated Debt [Abstract]

Junior Subordinated Debt

Note 17 – Junior Subordinated Debt

On July 31, 2003, the Company formed a subsidiary business trust, TriCo Capital Trust I, to issue trust preferred securities. Concurrently with the issuance of the trust preferred securities, the trust issued 619 shares of common stock to the Company for $1,000 per share or an aggregate of $619,000. In addition, the Company issued a Junior Subordinated Debenture to the Trust in the amount of $20,619,000. The terms of the Junior Subordinated Debenture are materially consistent with the terms of the trust preferred securities issued by TriCo Capital Trust I. Also on July 31, 2003, TriCo Capital Trust I completed an offering of 20,000 shares of cumulative trust preferred securities for cash in an aggregate amount of $20,000,000. The trust preferred securities are mandatorily redeemable upon maturity on October 7, 2033 with an interest rate that resets quarterly at three-month LIBOR plus 3.05%. TriCo Capital Trust I has the right to redeem the trust preferred securities on or after October 7, 2008. The trust preferred securities were issued through an underwriting syndicate to which the Company paid underwriting fees of $7.50 per trust preferred security or an aggregate of $150,000. The net proceeds of $19,850,000 were used to finance the opening of new branches, improve bank services and technology, repurchase shares of the Company’s common stock under its repurchase plan and increase the Company’s capital. The trust preferred securities have not been and will not be registered under the Securities Act of 1933, as amended, or applicable state securities laws and were sold pursuant to an exemption from registration under the Securities Act of 1933. The trust preferred securities may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act of 1933, as amended, and applicable state securities laws.

The $20,619,000 of junior subordinated debentures issued by TriCo Capital Trust I are reflected as junior subordinated debt in the consolidated balance sheets. The common stock issued by TriCo Capital Trust I are recorded in other assets in the consolidated balance sheets.

On June 22, 2004, the Company formed a second subsidiary business trust, TriCo Capital Trust II, to issue trust preferred securities. Concurrently with the issuance of the trust preferred securities, the trust issued 619 shares of common stock to the Company for $1,000 per share or an aggregate of $619,000. In addition, the Company issued a Junior Subordinated Debenture to the Trust in the amount of $20,619,000. The terms of the Junior Subordinated Debenture are materially consistent with the terms of the trust preferred securities issued by TriCo Capital Trust II. Also on June 22, 2004, TriCo Capital Trust II completed an offering of 20,000 shares of cumulative trust preferred securities for cash in an aggregate amount of $20,000,000. The trust preferred securities are mandatorily redeemable upon maturity on July 23, 2034 with an interest rate that resets quarterly at three-month LIBOR plus 2.55%. TriCo Capital Trust II has the right to redeem the trust preferred securities on or after July 23, 2009. The trust preferred securities were issued through an underwriting syndicate to which the Company paid underwriting fees of $2.50 per trust preferred security or an aggregate of $50,000. The net proceeds of $19,950,000 were used to finance the opening of new branches, improve bank services and technology, repurchase shares of the Company’s common stock under its repurchase plan and increase the Company’s capital. The trust preferred securities have not been and will not be registered under the Securities Act of 1933, as amended, or applicable state securities laws and were sold pursuant to an exemption from registration under the Securities Act of 1933. The trust preferred securities may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements of the Securities Act of 1933, as amended, and applicable state securities laws.

The $20,619,000 of junior subordinated debentures issued by TriCo Capital Trust II are reflected as junior subordinated debt in the consolidated balance sheets. The common stock issued by TriCo Capital Trust II is recorded in other assets in the consolidated balance sheets.

The debentures issued by TriCo Capital Trust I and TriCo Capital Trust II, less the common securities of TriCo Capital Trust I and TriCo Capital Trust II, continue to qualify as Tier 1 or Tier 2 capital under interim guidance issued by the Board of Governors of the Federal Reserve System (Federal Reserve Board). As of March 31, 2013, the interest rates on the junior subordinated debentures issued by TriCo Capital Trust I and II were 3.354% and 2.852%, respectively.

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Deposits (Tables)

3 Months Ended

Mar. 31, 2013

Deposits [Abstract]

Summary of the balances of deposits

	March 31, 2013		December 31, 2012
Noninterest-bearing demand	$	639,420	$	684,833
Interest-bearing demand		531,695		503,465
Savings		786,352		762,924
Time certificates, $100,000 and over		175,288		180,195
Other time certificates		152,795		158,285
Total deposits	$	2,285,550	$	2,289,702

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Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2013

Allowance for Loan Losses [Abstract]

Summary of activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated

	Allowance for Loan Losses – As of and three months ended March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Charge-offs		(7	)		(803	)		(766	)		(26	)		(25	)		(273	)		(790	)		(20	)		(61	)		(2,771	)
Recoveries		—			353			290			9			85			224			70			61			6			1,098
(Benefit) provision		(173	)		1,078			(1,568	)		(1	)		(155	)		(84	)		252			(105	)		(352	)		(1,108	)
Ending balance	$	3,343		$	9,410		$	19,323		$	1,137		$	148		$	563		$	4,235		$	1,336		$	372		$	39,867
Ending balance:
Individ. evaluated for impairment	$	479		$	1,804		$	1,613		$	50		$	7		$	8		$	823		$	219		$	42		$	5,045
Loans pooled for evaluation	$	2,498		$	7,326		$	16,496		$	1,006		$	141		$	555		$	1,935		$	438		$	125		$	30,520
Loans acquired with deteriorated credit quality	$	366		$	280		$	1,214		$	81			—			—		$	1,477		$	679		$	205		$	4,302
	Loans, net of unearned fees – As of March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	135,960		$	874,289		$	333,044		$	13,083		$	2,821		$	27,115		$	115,483		$	19,521		$	11,046		$	1,532,362
Individ. evaluated for impairment	$	6,238		$	64,812		$	8,721		$	576		$	176		$	97		$	5,867		$	3,410		$	343		$	90,240
Loans pooled for evaluation	$	124,712		$	777,466		$	311,258		$	12,304		$	2,645		$	26,993		$	101,187		$	11,088		$	9,566		$	1,377,219
Loans acquired with deteriorated credit quality	$	5,010		$	32,011		$	13,065		$	203			—		$	25		$	8,429		$	5,023		$	1,137		$	64,903
	Allowance for Loan Losses – As of and year ended December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425		$	45,914
Charge-offs		(1,558	)		(3,457	)		(8,042	)		(385	)		(83	)		(1,202	)		(1,251	)		(406	)		(100	)		(16,484	)
Recoveries		147			1,020			398			100			215			860			643			412			—			3,795
(Benefit) provision		2,530			(1,998	)		10,753			339			(104	)		106			(1,234	)		(423	)		(546	)		9,423
Ending balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Ending balance:
Individ. evaluated for impairment	$	631		$	515		$	2,264		$	81		$	5		$	47		$	840		$	11		$	111		$	4,505
Loans pooled for evaluation	$	2,526		$	8,026		$	17,862		$	995		$	238		$	649		$	2,342		$	430		$	165		$	33,233
Loans acquired with deteriorated credit quality	$	366		$	241		$	1,241		$	79			—			—		$	1,521		$	959		$	503		$	4,910
	Loans, net of unearned fees – As of December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	131,684		$	878,446		$	342,025		$	13,557		$	3,816		$	26,713		$	135,528		$	18,459		$	14,595		$	1,564,823
Individ. evaluated for impairment	$	6,586		$	71,077		$	10,056		$	528		$	197		$	121		$	8,562		$	3,596		$	607		$	101,330
Loans pooled for evaluation	$	120,082		$	776,137		$	318,403		$	12,825		$	3,619		$	26,560		$	117,429		$	8,281		$	10,589		$	1,393,925
Loans acquired with deteriorated credit quality	$	5,016		$	31,232		$	13,566		$	204			—		$	32		$	9,537		$	6,582		$	3,399		$	69,568

	Allowance for Loan Losses – As of and three months ended March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425	$	45,914
Charge-offs		(223	)		(1,305	)		(2,625	)		(41	)		(40	)		(339	)		(281	)		(68	)		—		(4,922	)
Recoveries		-			36			63			3			57			255			50			—			—		464
Provision (benefit)		976			(1,967	)		6,336			204			343			(248	)		(1,764	)		(77	)		193		3,996
Ending balance	$	3,157		$	9,981		$	22,032		$	1,267		$	575		$	600		$	4,550		$	1,672		$	1,618	$	45,452
Ending balance:
Individ. evaluated for impairment	$	582		$	1,041		$	1,578		$	59		$	14		$	17		$	357		$	80		$	1,048	$	4,776
Loans pooled for evaluation	$	2,463		$	8,939		$	18,949		$	1,096		$	560		$	584		$	2,563		$	625		$	110	$	35,889
Loans acquired with deteriorated credit quality	$	113			—		$	1,505		$	111			—			—		$	1,630		$	967		$	461	$	4,787
	Loans, net of unearned fees – As of March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Ending balance:
Total loans	$	130,500		$	816,859		$	350,062		$	14,559		$	8,397		$	23,671		$	128,343		$	22,364		$	16,330	$	1,511,085
Individ. evaluated for impairment	$	10,490		$	69,817		$	8,777		$	549		$	404		$	177		$	9,286		$	5,606		$	7,114	$	112,220
Loans pooled for evaluation	$	113,808		$	714,579		$	327,018		$	13,805		$	7,993		$	23,446		$	106,689		$	7,569		$	5,552	$	1,320,459
Loans acquired with deteriorated credit quality	$	6,202		$	32,463		$	14,267		$	205			—		$	48		$	12,368		$	9,189		$	3,664	$	78,406

Presentation of credit quality indicators

	Credit Quality Indicators – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	116,293		686,714	$	288,765	$	11,508	$	2,185	$	24,007	$	96,302	$	10,487	$	9,200	$	1,245,461
Special mention		1,920		21,690		4,450		295		367		693		4,461		385		401		34,662
Substandard		7,662		63,892		10,423		730		269		126		5,512		3,626		308		92,548
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
PNCI loans:
Pass	$	4,532	$	62,804	$	15,292	$	347		—	$	2,162	$	760		—		—	$	85,897
Special mention		—		3,711		282		—		—		61		19		—		—		4,073
Substandard		543		3,467		767		—		—		41		—		—		—		4,818
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
PCI loans	$	5,010	$	32,011	$	13,065	$	203		—	$	25	$	8,429	$	5,023	$	1,137	$	64,903
Total loans	$	135,960	$	874,289	$	333,044	$	13,083	$	2,821	$	27,115	$	115,483	$	19,521	$	11,046	$	1,532,362
	Credit Quality Indicators – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	108,946	$	686,593	$	291,701	$	11,892	$	2,949	$	23,154	$	113,595	$	7,744	$	10,221	$	1,256,795
Special mention		3,122		21,184		6,955		555		531		958		3,224		285		356		37,170
Substandard		9,187		67,347		13,015		564		336		151		8,303		3,848		619		103,370
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
PNCI loans:
Pass	$	4,968	$	64,917	$	15,915	$	342		—	$	2,240	$	848		—		—	$	89,230
Special mention		—		5,249		193		—		—		104		21		—		—		5,567
Substandard		436		1,924		680		—		—		74		—		—		—		3,114
Loss		9		—		—		—		—		—		—		—		—		9
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
PCI loans	$	5,016	$	31,232	$	13,566	$	204		—	$	32	$	9,537	$	6,582	$	3,399	$	69,568
Total loans	$	131,684	$	878,446	$	342,025	$	13,557	$	3,816	$	26,713	$	135,528	$	18,459	$	14,595	$	1,564,823

Analysis of past due and nonaccrual loans

	Analysis of Past Due and Nonaccrual Originated Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,305	$	2,326	$	2,635	$	109	$	28	$	50	$	333		—		—	$	6,786
60-89 Days		650		265		1,226		—		36		9		35		—		—		2,221
> 90 Days		732		7,852		2,072		217		94		2		2,616		31		75		13,691
Total past due		2,687		10,443		5,933		326		158		61		2,984		31		75		22,698
Current		123,188		761,853		297,705		12,207		2,663		24,765		103,291		14,467		9,834		1,349,973
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
> 90 Days and still accruing	$	190		—		—		—		—		—		—		—		—	$	190
Nonaccrual loans	$	4,459	$	34,853	$	7,027	$	515	$	166	$	27	$	4,131	$	3,125	$	270	$	54,573

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,709	$	526	$	857		—		—	$	1		—		—		—	$	3,093
60-89 Days		204		569		—		—		—		—		—		—		—		773
> 90 Days		43		—		—		—		—		—		—		—		—		43
Total past due		1,956		1,095		857		—		—		1		—		—		—		3,909
Current		3,119		68,887		15,484		347		—		2,263		779		—		—		90,879
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	111	$	1,212	$	339		—		—	$	41		—		—		—	$	1,703

	Analysis of Past Due and Nonaccrual Originated Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer				Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans						C&I		Resid.		Comm.		Total
Past due:
30-59 Days	$	1,702	$	2,695	$	3,371	$	67	$	77	$	67	$	1,848	$	309		—	$	10,136
60-89 Days		278		1,578		819		33		40		40		138		—		—		2,926
> 90 Days		674		13,829		3,395		217		79		14		4,782		42	$	94		23,126
Total past due		2,654		18,102		7,585		317		196		121		6,768		351		94		36,188
Current		118,601		757,022		304,086		12,694		3,620		24,142		118,354		11,526		11,102		1,361,147
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	4,781	$	37,220	$	8,486	$	465	$	174	$	49	$	6,750	$	3,312	$	532	$	61,769

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,024	$	500	$	124		—		—	$	31		—		—		—	$	1,679
60-89 Days		—		—		63		—		—		—		—		—		—		63
> 90 Days		43		148		157		—		—		—		—		—		—		348
Total past due		1,067		648		344		—		—		31		—		—		—		2,090
Current		4,346		71,442		16,444	$	342		—		2,387	$	869		—		—		95,830
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	113	$	1,218	$	403		—		—	$	42		—		—		—	$	1,776

Impaired loans

	Impaired Originated Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	4,017	$	57,206	$	5,138	$	460	$	151	$	23	$	4,240	$	696	$	195	$	72,126
Unpaid principal	$	6,192	$	62,263	$	8,437	$	1,110	$	292	$	40	$	5,392	$	1,442	$	426	$	85,594
Average recorded Investment	$	3,769	$	61,619	$	4,690	$	411	$	157	$	21	$	4,239	$	2,125	$	240	$	77,271
Interest income Recognized	$	7	$	362	$	5		—	$	1		—	$	11		—		—	$	386
With an allowance recorded:
Recorded investment	$	2,025	$	5,816	$	3,244	$	116	$	25	$	4	$	1,626	$	2,713	$	149	$	15,718
Unpaid principal	$	2,252	$	6,095	$	4,086	$	166	$	32	$	4	$	1,680	$	6,680	$	181	$	21,176
Related allowance	$	447	$	1,296	$	1,576	$	50	$	7	$	4	$	823	$	219	$	42	$	4,464
Average recorded Investment	$	2,446	$	4,537	$	4,328	$	142	$	30	$	17	$	2,975	$	1,378	$	236	$	16,089
Interest income Recognized	$	15	$	47	$	16	$	1		—		—	$	19	$	5	$	1	$	104

	Impaired PNCI Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,271	$	302		—		—	$	41		—		—		—	$	1,614
Unpaid principal		—	$	3,300	$	343		—		—	$	46		—		—		—	$	3,689
Average recorded Investment		—	$	1,370	$	334		—		—	$	21		—		—		—	$	1,725
Interest income Recognized		—	$	4		—		—		—		—		—		—		—	$	4
With anallowance recorded:
Recorded investment	$	197	$	519	$	37		—		—	$	29		—		—		—	$	782
Unpaid principal	$	224	$	519	$	41		—		—	$	29		—		—		—	$	813
Related allowance	$	32	$	508	$	37		—		—	$	4		—		—		—	$	581
Average recorded Investment	$	198	$	420	$	38		—		—	$	51		—		—		—	$	707
Interest income Recognized	$	1	$	7		—		—		—	$	1		—		—		—	$	9
	Impaired Originated Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	3,520	$	66,031	$	4,241	$	361	$	163	$	19	$	4,238	$	3,554	$	284	$	82,411
Unpaid principal	$	5,349	$	70,709	$	6,691	$	781	$	311	$	40	$	4,613	$	8,227	$	484	$	97,205
Average recorded Investment	$	6,329	$	61,299	$	4,311	$	329	$	263	$	42	$	7,500	$	3,505	$	517	$	84,095
Interest income Recognized	$	71	$	2,513	$	58	$	1	$	3		—	$	73	$	20	$	10	$	2,749
With anallowance recorded:
Recorded investment	$	2,867	$	3,258	$	5,412	$	167	$	34	$	30	$	4,324	$	42	$	323	$	16,457
Unpaid principal	$	3,432	$	3,556	$	7,103	$	396	$	51	$	32	$	4,992	$	42	$	523	$	20,127
Related allowance	$	603	$	352	$	2,237	$	81	$	5	$	12	$	840	$	11	$	111	$	4,252
Average recorded Investment	$	3,890	$	7,841	$	6,331	$	317	$	102	$	49	$	2,800	$	1,543	$	6,570	$	29,443
Interest income Recognized	$	67	$	129	$	103	$	16	$	1	$	1	$	100	$	6	$	5	$	428

	Impaired PNCI Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,468	$	365		—		—		—		—		—		—	$	1,833
Unpaid principal		—	$	3,452	$	586		—		—		—		—		—		—	$	4,038
Average recorded Investment	$	16	$	2,097	$	308	$	11		—	$	31	$	11		—		—	$	2,474
Interest income Recognized		—	$	133	$	5		—		—		—		—		—		—	$	138
With anallowance recorded:
Recorded investment	$	199	$	320	$	38		—		—	$	72		—		—		—	$	629
Unpaid principal	$	225	$	331	$	41		—		—	$	76		—		—		—	$	673
Related allowance	$	28	$	163	$	27		—		—	$	35		—		—		—	$	253
Average recorded Investment	$	213	$	121	$	148		—		—	$	43		—		—		—	$	525
Interest income Recognized	$	9	$	12	$	1		—		—	$	2		—		—		—	$	24
	Impaired Originated Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	7,288	$	61,224	$	4,039	$	188	$	311	$	55	$	8,453	$	4,631	$	629	$	86,818
Unpaid principal	$	9,377	$	72,273	$	6,755	$	488	$	568	$	80	$	9,110	$	9,642	$	953	$	109,246
Average recorded Investment	$	8,079	$	52,833	$	5,053	$	479	$	467	$	44	$	6,597	$	5,315	$	3,570	$	82,437
Interest income Recognized	$	22	$	375	$	4	$	1	$	1		—	$	33		—	$	3	$	439
With anallowance recorded:
Recorded investment	$	3,040	$	6,521	$	4,332	$	361	$	93	$	45	$	833	$	975	$	6,485	$	22,685
Unpaid principal	$	3,524	$	7,010	$	5,389	$	720	$	117	$	47	$	873	$	2,071	$	6,523	$	26,274
Related allowance	$	559	$	1,043	$	1,498	$	59	$	14	$	17	$	357	$	78	$	1,048	$	4,673
Average recorded Investment	$	3,399	$	10,714	$	3,690	$	188	$	297	$	46	$	704	$	815	$	3,725	$	23,578
Interest income Recognized	$	6	$	62	$	11		—		—		—	$	7	$	2	$	94	$	182

	Impaired PNCI Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	2,072	$	326		—		—	$	77		—		—		—	$	2,475
Unpaid principal		—	$	2,075	$	363		—		—	$	78		—		—		—	$	2,516
Average recorded
Investment		—	$	1,036	$	163		—		—	$	39		—		—		—	$	1,238
Interest income
Recognized		—	$	26		—		—		—	$	1		—		—		—	$	27
With anallowance recorded:
Recorded investment	$	162		—	$	80		—		—		—		—		—		—	$	242
Unpaid principal	$	162		—	$	84		—		—		—		—		—		—	$	246
Related allowance	$	23		—	$	80		—		—		—		—		—		—	$	103
Average recorded
Investment	$	81		—	$	40		—		—		—		—		—		—	$	121
Interest income
Recognized	$	3		—		—		—		—		—		—		—		—	$	3

Troubled debt restructuring

	TDR Information for the Three Months Ended March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		—		—		3		—		—		—		—		—		—		3
Pre-modification out-standing principal balance		—		—	$	257		—		—		—		—		—		—	$	257
Post-modification out-standing principal balance		—		—	$	260		—		—		—		—		—		—	$	260
Financial Impact due to troubled debt restructure taken as additional provision		—		—		—		—		—		—		—		—		—		—
Number that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Recorded investment of
TDRs that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

	TDR Information for the Three Months Ended March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		2		7		2		—		—		1		1		2		—		15
Pre-modification out-standing principal balance	$	650	$	1,561	$	436		—		—	$	38	$	249	$	230		—	$	3,164
Post-modification out-standing principal balance	$	669	$	1,523	$	464		—		—	$	38	$	249	$	232		—	$	3,175
Financial Impact due to troubled debt restructure taken as additional provision		—		—	$	16		—		—		—		—		—		—	$	16
Number that defaulted during the period		1		4		—		—		—		—		—		—		1		6
Recorded investment of TDRs that defaulted during the period	$	112	$	2,632		—		—		—		—		—		—	$	39	$	2,783
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

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Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	$ 6,786	$ 10,136
60-89 Days	2,221	2,926
>90 Days	13,691	23,126
Total past due	22,698	36,188
Current	1,349,973	1,361,147
Total loans	1,372,671	1,397,335
>90 Days and still accruing	190
Nonaccrual loans	54,573	61,769
PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	3,093	1,679
60-89 Days	773	63
>90 Days	43	348
Total past due	3,909	2,090
Current	90,879	95,830
Total loans	94,788	97,920
>90 Days and still accruing
Nonaccrual loans	1,703	1,776
RE Mortgage [Member] | Residential [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	1,305	1,702
60-89 Days	650	278
>90 Days	732	674
Total past due	2,687	2,654
Current	123,188	118,601
Total loans	125,875	121,255
>90 Days and still accruing	190
Nonaccrual loans	4,459	4,781
RE Mortgage [Member] | Residential [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	1,709	1,024
60-89 Days	204
>90 Days	43	43
Total past due	1,956	1,067
Current	3,119	4,346
Total loans	5,075	5,413
>90 Days and still accruing
Nonaccrual loans	111	113
RE Mortgage [Member] | Commercial [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	2,326	2,695
60-89 Days	265	1,578
>90 Days	7,852	13,829
Total past due	10,443	18,102
Current	761,853	757,022
Total loans	772,296	775,124
>90 Days and still accruing
Nonaccrual loans	34,853	37,220
RE Mortgage [Member] | Commercial [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	526	500
60-89 Days	569
>90 Days		148
Total past due	1,095	648
Current	68,887	71,442
Total loans	69,982	72,090
>90 Days and still accruing
Nonaccrual loans	1,212	1,218
Home Equity Lines [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	2,635	3,371
60-89 Days	1,226	819
>90 Days	2,072	3,395
Total past due	5,933	7,585
Current	297,705	304,086
Total loans	303,638	311,671
>90 Days and still accruing
Nonaccrual loans	7,027	8,486
Home Equity Lines [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	857	124
60-89 Days		63
>90 Days		157
Total past due	857	344
Current	15,484	16,444
Total loans	16,341	16,788
>90 Days and still accruing
Nonaccrual loans	339	403
Home equity loans [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	109	67
60-89 Days		33
>90 Days	217	217
Total past due	326	317
Current	12,207	12,694
Total loans	12,533	13,011
>90 Days and still accruing
Nonaccrual loans	515	465
Home equity loans [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
Current	347	342
Total loans	347	342
>90 Days and still accruing
Auto indirect [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	28	77
60-89 Days	36	40
>90 Days	94	79
Total past due	158	196
Current	2,663	3,620
Total loans	2,821	3,816
>90 Days and still accruing
Nonaccrual loans	166	174
Auto indirect [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days
60-89 Days
>90 Days
Total past due
Current
Total loans
>90 Days and still accruing
Nonaccrual loans
Other Consumer [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	50	67
60-89 Days	9	40
>90 Days	2	14
Total past due	61	121
Current	24,765	24,142
Total loans	24,826	24,263
>90 Days and still accruing
Nonaccrual loans	27	49
Other Consumer [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	1	31
Total past due	1	31
Current	2,263	2,387
Total loans	2,264	2,418
>90 Days and still accruing
Nonaccrual loans	41	42
C&I [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days	333	1,848
60-89 Days	35	138
>90 Days	2,616	4,782
Total past due	2,984	6,768
Current	103,291	118,354
Total loans	106,275	125,122
>90 Days and still accruing
Nonaccrual loans	4,131	6,750
C&I [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
Current	779	869
Total loans	779	869
>90 Days and still accruing
Construction [Member] | Residential [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days		309
>90 Days	31	42
Total past due	31	351
Current	14,467	11,526
Total loans	14,498	11,877
>90 Days and still accruing
Nonaccrual loans	3,125	3,312
Construction [Member] | Residential [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days
60-89 Days
>90 Days
Total past due
Current
Total loans
>90 Days and still accruing
Nonaccrual loans
Construction [Member] | Commercial [Member] | Originated loans [Member]
Analysis of past due and nonaccrual loans
>90 Days	75	94
Total past due	75	94
Current	9,834	11,102
Total loans	9,909	11,196
>90 Days and still accruing
Nonaccrual loans	270	532
Construction [Member] | Commercial [Member] | PNCI loans [Member]
Analysis of past due and nonaccrual loans
30-59 Days
60-89 Days
>90 Days
Total past due
Current
Total loans
>90 Days and still accruing
Nonaccrual loans

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Junior Subordinated Debt (Details) (USD $)			3 Months Ended		3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 TriCo Capital Trust I [Member]	Jul. 31, 2003 TriCo Capital Trust I [Member]	Mar. 31, 2013 TriCo Capital Trust II [Member]	Jun. 22, 2004 TriCo Capital Trust II [Member]
Junior Subordinated Debt (Textual) [Abstract]
Common stock shares issued	16,005,191	16,000,838	619		619
Common stock par value			$ 1,000		$ 1,000
Issuance of common stock, aggregate value			$ 619,000		$ 619,000
The Company issued a Junior Subordinated Debenture to the Trust			20,619,000		20,619,000
Offering of cumulative trust preferred securities				20,000		20,000
Cumulative trust preferred securities for cash in an aggregate amount				20,000,000		20,000,000
Redeem the trust preferred securities			Oct. 07, 2033		Jul. 23, 2034
LIBOR Rate, Description			LIBOR plus 3.05%		LIBOR plus 2.55%
Preferred securities redeemable interest rate			3.05%		2.55%
Company paid underwriting fees, per trust preferred security			$ 7.50		$ 2.50
Company paid underwriting fees aggregate			150,000		50,000
Net proceeds were used to opening of new branches, services and technology			19,850,000		19,950,000
Junior subordinated debentures issued			$ 20,619,000		$ 20,619,000
Debenture carried an interest rate			3.354%		2.852%

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Regulatory Matters

3 Months Ended

Mar. 31, 2013

Regulatory Matters [Abstract]

Regulatory Matters

Note 29—Regulatory Matters

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

Quantitative measures established by regulation to ensure capital adequacy require the Company to maintain minimum amounts and ratios (set forth in the table below) of total and Tier 1 capital to risk-weighted assets, and of Tier 1 capital to average assets. Management believes, as of March 31, 2013, that the Company meets all capital adequacy requirements to which it is subject.

As of March 31, 2013, the most recent notification from the FDIC categorized the Bank as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized the Bank must maintain minimum total risk-based, Tier 1 risk-based and Tier 1 leverage ratios as set forth in the table below. There are no conditions or events since that notification that Management believes have changed the institution’s category. The Bank’s actual capital amounts and ratios are also presented in the table.

	Actual					Minimum Capital Requirement					Minimum to be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2013:
Total Capital (to Risk Weighted Assets):
Consolidated	$	280,792		15.19	%		147,908		8.0	%		N/A		N/A
Tri Counties Bank	$	278,540		15.08	%		147,808		8.0	%	$	184,661		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	257,435		13.92	%		73,954		4.0	%		N/A		N/A
Tri Counties Bank	$	255,199		13.81	%		73,904		4.0	%	$	110,856		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	257,435		9.93	%		103,710		4.0	%		N/A		N/A
Tri Counties Bank	$	255,189		9.85	%		103,658		4.0	%	$	129,572		5.0	%
As of December 31, 2012:
Total Capital (to Risk Weighted Assets):
Consolidated	$	273,979		14.53	%	$	150,896		8.0	%		N/A		N/A
Tri Counties Bank	$	271,723		14.42	%	$	150,796		8.0	%	$	188,495		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	250,133		13.27	%	$	75,448		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		13.16	%	$	75,398		4.0	%	$	113,097		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	250,133		9.82	%	$	101,918		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		9.73	%	$	101,866		4.0	%	$	127,333		5.0	%

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Other Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Other Liabilities [Abstract]

Components of other liabilities

	March 31, 2013		December 31, 2012
Deferred compensation	$	7,894	$	7,738
Supplemental retirement		16,694		16,345
Joint beneficiary agreements		2,805		2,736
Accrued legal settlement		2,090		2,090
Miscellaneous other liabilities		7,857		6,213
Total other liabilities	$	37,340	$	35,122

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Business Combinations (Details)	3 Months Ended
	Mar. 31, 2013
Business Combinations (Additional Textual) [Abstract]
Maximum period of accrued interest on loan under agreement	90 days
Granite [Member]
Business Combinations (Textual) [Abstract]
FDIC losses	80.00%
Loss recoveries on the covered assets acquired	80.00%
Loss sharing arrangements, Minimum	5 years
Loss sharing arrangements, Maximum	10 years
Loss recovery provisions, Minimum	8 years
Loss recovery provisions, Maximum	10 years

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Comprehensive Income (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Components of accumulated other comprehensive income
Net unrealized gains on available-for-sale securities	$ 7,361	$ 8,434
Tax effect	(3,095)	(3,547)
Unrealized gains on available-for-sale securities, net of tax	4,266	4,887
Minimum pension liability	(3,806)	(3,806)
Tax effect	1,600	1,600
Minimum pension liability, net of tax	(2,206)	(2,206)
Joint beneficiary agreement liability	(522)	(522)
Tax effect
Joint beneficiary agreement liability, net of tax	(522)	(522)
Accumulated other comprehensive income, net of tax	$ 1,538	$ 2,159

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Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2013

Related Party Transactions [Abstract]

Summary of the Loan Activity

Balance December 31, 2011	$	1,764
Advances/new loans		1,568
Removed/payments		(964	)
Balance December 31, 2012	$	2,368
Advances/new loans		227
Removed/payments		(220	)
Balance March 31, 2013	$	2,375

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Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2013

Mortgage Servicing Rights [Abstract]

Fair value of mortgage servicing rights

	Three months ended March 31,
	2013			2012
Mortgage servicing rights:
Balance at beginning of period	$	4,552		$	4,603
Additions		493			550
Change in fair value		(61	)		(369	)
Balance at end of period	$	4,984		$	4,784
Servicing, late and ancillary fees received	$	417		$	372
Balance of loans serviced at:
Beginning of period	$	666,512		$	598,185
End of period	$	680,447		$	615,867
Weighted-average prepayment speed (CPR)		17.3	%		18.4	%
Discount rate		10.0	%		9.0	%

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 1 – Summary of Significant Accounting Policies

Description of Business

TriCo Bancshares is a California corporation organized to act as a bank holding company for Tri Counties Bank (the “Bank”). The Bank is a state-chartered financial institution that is engaged in the general commercial banking business in the California counties of Butte, Contra Costa, Del Norte, Fresno, Glenn, Kern, Lake, Lassen, Madera, Mendocino, Merced, Napa, Nevada, Placer, Sacramento, Shasta, Siskiyou, Stanislaus, Sutter, Tehama, Tulare, Yolo and Yuba. Tri Counties Bank currently operates from 41 traditional branches and 25 in-store branches. The Company also formed two subsidiary business trusts, TriCo Capital Trust I and TriCo Capital Trust II (collectively, the Trusts), to issue trust preferred securities.

Basis of Presentation

The following unaudited condensed financial statements of the Company have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information and note disclosures normally included in annual financial statements prepared in accordance with generally accepted accounting principles have been condensed or omitted pursuant to those rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. In the opinion of Management, all adjustments, consisting solely of normal recurring adjustments, considered necessary for a fair presentation of results for the interim periods presented have been included. These interim condensed consolidated financial statements should be read in conjunction with the financial statements and related notes contained in the Company’s 2012 Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 18, 2013.

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned financial subsidiary, Tri Counties Bank. All significant intercompany balances and transactions have been eliminated. TriCo Capital Trust I and TriCo Capital Trust II, which were formed solely for the purpose of issuing trust preferred securities, are unconsolidated subsidiaries as the Company is not the primary beneficiary of the trusts and they are not considered variable interest entities. Operating results for the three months ended March 31, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. Certain amounts in the consolidated financial statements for the year ended December 31, 2012 and for the three months ended March 31, 2012 may have been reclassified to conform to the presentation of the condensed consolidated financial statements in 2013.

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires Management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, the Company evaluates its estimates, including those related to the adequacy of the allowance for loan losses, investments, intangible assets, income taxes and contingencies. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. The allowance for loan losses, indemnification asset, foreclosed assets, goodwill and other intangible assets, income taxes, fair value of assets acquired and liabilities assumed in business combinations, the valuation of securities available-for-sale, and the valuation of mortgage servicing rights are the only accounting estimates that materially affect the Company’s consolidated financial statements.

As described in Note 2, the Bank assumed the banking operations of two failed financial institutions from the FDIC under whole bank purchase agreements. The acquired assets and assumed liabilities were measured at estimated fair value values under the acquisition method of accounting. The Company made significant estimates and exercised significant judgment in accounting for the acquisitions. The Company determined loan fair values based on loan file reviews, loan risk ratings, appraised collateral values, expected cash flows and historical loss factors. Foreclosed assets were primarily valued based on appraised values of the repossessed loan collateral. An identifiable intangible was also recorded representing the fair value of the core deposit customer base based on an evaluation of the cost of such deposits relative to alternative funding sources. The fair value of time deposits and borrowings were determined based on the present value of estimated future cash flows using current rates as of the acquisition date.

Significant Group Concentration of Credit Risk

The Company grants agribusiness, commercial, consumer, and residential loans to customers located throughout the northern San Joaquin Valley, the Sacramento Valley and northern mountain regions of California. The Company has a diversified loan portfolio within the business segments located in this geographical area. The Company currently classifies all its operation into one business segment that it denotes as community banking.

Cash and Cash Equivalents

For purposes of the consolidated statements of cash flows, cash and cash equivalents include cash on hand, amounts due from banks, and federal funds sold. Net cash flows are reported for loan and deposit transactions and other borrowings.

Investment Securities

The Company classifies its debt and marketable equity securities into one of three categories: trading, available-for-sale or held-to-maturity. Trading securities are bought and held principally for the purpose of selling in the near term. Held-to-maturity securities are those securities which the Company has the ability and intent to hold until maturity. All other securities not included in trading or held-to-maturity are classified as available-for-sale. During the three months ended March 31, 2013, and the year ended December 31, 2012, the Company did not have any securities classified as either held-to-maturity or trading. Available-for-sale securities are recorded at fair value. Unrealized gains and losses, net of the related tax effect, on available-for-sale securities are reported as a separate component of other accumulated comprehensive income in shareholders’ equity until realized. Premiums and discounts are amortized or accreted over the life of the related investment security as an adjustment to yield using the effective interest method. Dividend and interest income are recognized when earned. Realized gains and losses are derived from the amortized cost of the security sold.

The Company assesses other-than-temporary impairment (“OTTI”) based on whether it intends to sell a security or if it is likely that the Company would be required to sell the security before recovery of the amortized cost basis of the investment, which may be maturity. For debt securities, if we intend to sell the security or it is likely that we will be required to sell the security before recovering its cost basis, the entire impairment loss would be recognized in earnings as an OTTI. If we do not intend to sell the security and it is not likely that we will be required to sell the security but we do not expect to recover the entire amortized cost basis of the security, only the portion of the impairment loss representing credit losses would be recognized in earnings. The credit loss on a security is measured as the difference between the amortized cost basis and the present value of the cash flows expected to be collected. Projected cash flows are discounted by the original or current effective interest rate depending on the nature of the security being measured for potential OTTI. The remaining impairment related to all other factors, the difference between the present value of the cash flows expected to be collected and fair value, is recognized as a charge to other comprehensive income (“OCI”). Impairment losses related to all other factors are presented as separate categories within OCI. The accretion of the amount recorded in OCI increases the carrying value of the investment and does not affect earnings. If there is an indication of additional credit losses the security is re-evaluated according to the procedures described above. No OTTI losses were recognized during the three months ended March 31, 2013, and the year ended December 31, 2012.

Restricted Equity Securities

Restricted equity securities represent the Company’s investment in the stock of the Federal Home Loan Bank of San Francisco (“FHLB”) and are carried at par value, which reasonably approximates its fair value. While technically these are considered equity securities, there is no market for the FHLB stock. Therefore, the shares are considered as restricted investment securities. Management periodically evaluates FHLB stock for other-than-temporary impairment. Management’s determination of whether these investments are impaired is based on its assessment of the ultimate recoverability of cost rather than by recognizing temporary declines in value. The determination of whether a decline affects the ultimate recoverability of cost is influenced by criteria such as (1) the significance of any decline in net assets of the FHLB as compared to the capital stock amount for the FHLB and the length of time this situation has persisted, (2) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance of the FHLB, (3) the impact of legislative and regulatory changes on institutions and, accordingly, the customer base of the FHLB, and (4) the liquidity position of the FHLB.

As a member of the FHLB system, the Company is required to maintain a minimum level of investment in FHLB stock based on specific percentages of its outstanding mortgages, total assets, or FHLB advances. The Company may request redemption at par value of any stock in excess of the minimum required investment. Stock redemptions are at the discretion of the FHLB.

Loans Held for Sale

Loans originated and intended for sale in the secondary market are carried at the lower of aggregate cost or fair value, as determined by aggregate outstanding commitments from investors of current investor yield requirements. Net unrealized losses are recognized through a valuation allowance by charges to noninterest income.

Mortgage loans held for sale are generally sold with the mortgage servicing rights retained by the Company. Gains or losses on the sale of loans that are held for sale are recognized at the time of the sale and determined by the difference between net sale proceeds and the net book value of the loans less the estimated fair value of any retained mortgage servicing rights.

Loans and Allowance for Loan Losses

Loans originated by the Company, i.e., not purchased or acquired in a business combination, are referred to as originated loans. Originated loans that management has the intent and ability to hold for the foreseeable future or until maturity or payoff are reported at the principal amount outstanding, net of deferred loan fees and costs. Loan origination and commitment fees and certain direct loan origination costs are deferred, and the net amount is amortized as an adjustment of the related loan’s yield over the actual life of the loan. Originated loans on which the accrual of interest has been discontinued are designated as nonaccrual loans.

Originated loans are placed in nonaccrual status when reasonable doubt exists as to the full, timely collection of interest or principal, or a loan becomes contractually past due by 90 days or more with respect to interest or principal and is not well secured and in the process of collection. When an originated loan is placed on nonaccrual status, all interest previously accrued but not collected is reversed. Income on such loans is then recognized only to the extent that cash is received and where the future collection of principal is probable. Interest accruals are resumed on such loans only when they are brought fully current with respect to interest and principal and when, in the judgment of Management, the loan is estimated to be fully collectible as to both principal and interest.

An allowance for loan losses for originated loans is established through a provision for loan losses charged to expense. The allowance is maintained at a level which, in management’s judgment, is adequate to absorb probable incurred credit losses inherent in the loan portfolio as of the balance sheet date. Originated loans and deposit related overdrafts are charged against the allowance for loan losses when Management believes that the collectability of the principal is unlikely or, with respect to consumer installment loans, according to an established delinquency schedule. The allowance is an amount that Management believes will be adequate to absorb probable losses inherent in existing loans and leases, based on evaluations of the collectability, impairment and prior loss experience of loans and leases. The evaluations take into consideration such factors as changes in the nature and size of the portfolio, overall portfolio quality, loan concentrations, specific problem loans, and current economic conditions that may affect the borrower’s ability to pay. The Company defines an originated loan as impaired when it is probable the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired originated loans are measured based on the present value of expected future cash flows discounted at the loan’s original effective interest rate. As a practical expedient, impairment may be measured based on the loan’s observable market price or the fair value of the collateral if the loan is collateral dependent. When the measure of the impaired loan is less than the recorded investment in the loan, the impairment is recorded through a valuation allowance.

In situations related to originated loans where, for economic or legal reasons related to a borrower’s financial difficulties, the Company grants a concession for other than an insignificant period of time to the borrower that the Company would not otherwise consider, the related loan is classified as a troubled debt restructuring (TDR). The Company strives to identify borrowers in financial difficulty early and work with them to modify to more affordable terms before their loan reaches nonaccrual status. These modified terms may include rate reductions, principal forgiveness, payment forbearance and other actions intended to minimize the economic loss and to avoid foreclosure or repossession of the collateral. In cases where the Company grants the borrower new terms that result in the loan being classified as a TDR, the Company measures any impairment on the restructuring as noted above for impaired loans. TDR loans are classified as impaired until they are fully paid off or charged off. Loans that are in nonaccrual status at the time they become TDR loans, remain in nonaccrual status until the borrower demonstrates a sustained period of performance which the Company generally believes to be six consecutive months of payments, or equivalent. Otherwise, TDR loans are subject to the same nonaccrual and charge-off policies as noted above with respect to their restructured principal balance.

Credit risk is inherent in the business of lending. As a result, the Company maintains an allowance for loan losses to absorb losses inherent in the Company’s originated loan portfolio. This is maintained through periodic charges to earnings. These charges are included in the Consolidated Statements of Income as provision for loan losses. All specifically identifiable and quantifiable losses are immediately charged off against the allowance. However, for a variety of reasons, not all losses are immediately known to the Company and, of those that are known, the full extent of the loss may not be quantifiable at that point in time. The balance of the Company’s allowance for originated loan losses is meant to be an estimate of these unknown but probable losses inherent in the portfolio.

The Company formally assesses the adequacy of the allowance for originated loan losses on a quarterly basis. Determination of the adequacy is based on ongoing assessments of the probable risk in the outstanding originated loan portfolio, and to a lesser extent the Company’s originated loan commitments. These assessments include the periodic re-grading of credits based on changes in their individual credit characteristics including delinquency, seasoning, recent financial performance of the borrower, economic factors, changes in the interest rate environment, growth of the portfolio as a whole or by segment, and other factors as warranted. Loans are initially graded when originated. They are re-graded as they are renewed, when there is a new loan to the same borrower, when identified facts demonstrate heightened risk of nonpayment, or if they become delinquent. Re-grading of larger problem loans occurs at least quarterly. Confirmation of the quality of the grading process is obtained by independent credit reviews conducted by consultants specifically hired for this purpose and by various bank regulatory agencies.

The Company’s method for assessing the appropriateness of the allowance for originated loan losses includes specific allowances for impaired originated loans and leases, formula allowance factors for pools of credits, and allowances for changing environmental factors (e.g., interest rates, growth, economic conditions, etc.). Allowance factors for loan pools were based on historical loss experience by product type and prior risk rating.

During the three months ended March 31, 2013, the Company changed the method it uses to estimate net sale proceeds from real estate collateral sales when calculating the allowance for loan losses associated with impaired real estate collateral dependent loans. Previously, the Company used the greater of fifteen percent or actual estimated selling costs. Currently, the Company uses the actual estimated selling costs, and an adjustment to appraised value based on the age of the appraisal. These changes are intended to more accurately reflect the estimated net sale proceeds from the sale of impaired collateral dependent real estate loans. This change in methodology resulted in the allowance for loan losses as of March 31, 2013 being $494,000 more than it would have been without this change in methodology.

Loans purchased or acquired in a business combination are referred to as acquired loans. Acquired loans are valued as of the acquisition date in accordance with Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) Topic 805, Business Combinations. Loans acquired with evidence of credit deterioration since origination for which it is probable that all contractually required payments will not be collected are referred to as purchased credit impaired (PCI) loans. PCI loans are accounted for under FASB ASC Topic 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality. Under FASB ASC Topic 805 and FASB ASC Topic 310-30, PCI loans are recorded at fair value at acquisition date, factoring in credit losses expected to be incurred over the life of the loan. Accordingly, an allowance for loan losses is not carried over or recorded as of the acquisition date. Fair value is defined as the present value of the future estimated principal and interest payments of the loan, with the discount rate used in the present value calculation representing the estimated effective yield of the loan. Default rates, loss severity, and prepayment speed assumptions are periodically reassessed and our estimate of future payments is adjusted accordingly. The difference between contractual future payments and estimated future payments is referred to as the nonaccretable difference. The difference between estimated future payments and the present value of the estimated future payments is referred to as the accretable yield. The accretable yield represents the amount that is expected to be recorded as interest income over the remaining life of the loan. If after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be more than originally estimated, an increase in the discount rate (effective yield) would be made such that the newly increased accretable yield would be recognized, on a level yield basis, over the remaining estimated life of the loan. If, after acquisition, the Company determines that the estimated future cash flows of a PCI loan are expected to be less than previously estimated, the discount rate would first be reduced until the present value of the reduced cash flow estimate equals the previous present value however, the discount rate may not be lowered below its original level at acquisition. If the discount rate has been lowered to its original level and the present value has not been sufficiently lowered, an allowance for loan loss would be established through a provision for loan losses charged to expense to decrease the present value to the required level. If the estimated cash flows improve after an allowance has been established for a loan, the allowance may be partially or fully reversed depending on the improvement in the estimated cash flows. Only after the allowance has been fully reversed may the discount rate be increased. PCI loans are put on nonaccrual status when cash flows cannot be reasonably estimated. PCI loans on nonaccrual status are accounted for using the cost recovery method or cash basis method of income recognition. PCI loans are charged off when evidence suggests cash flows are not recoverable. Foreclosed assets from PCI loans are recorded in foreclosed assets at fair value with the fair value at time of foreclosure representing cash flow from the loan. ASC 310-30 allows PCI loans with similar risk characteristics and acquisition time frame to be “pooled” and have their cash flows aggregated as if they were one loan. The Company elected to use the “pooled” method of ASC 310-30 for PCI – other loans in the acquisition of certain assets and liabilities of Granite Community Bank (“Granite”) and Citizens Bank of Northern California (“Citizens”).

Acquired loans that are not PCI loans are referred to as purchased not credit impaired (PNCI) loans. PNCI loans are accounted for under FASB ASC Topic 310-20, Receivables – Nonrefundable Fees and Other Costs, in which interest income is accrued on a level-yield basis for performing loans. For income recognition purposes, this method assumes that all contractual cash flows will be collected, and no allowance for loan losses is established at the time of acquistion. Post-acquisition date, an allowance for loan losses may need to be established for acquired loans through a provision charged to earnings for credit losses incurred subsequent to acquisition. Under ASC 310-20, the loss would be measured based on the probable shortfall in relation to the contractual note requirements, consistent with our allowance for loan loss policy for similar loans.

When referring to PNCI and PCI loans we will use the terms “nonaccretable difference”, “accretable yield”, or “purchase discount”. Nonaccretable difference is the difference between undiscounted contractual cash flows due and undiscounted cash flows we expect to collect, or put another way, it is the undiscounted contractual cash flows we do not expect to collect. Accretable yield is the difference between undiscounted cash flows we expect to collect and the value at which we have recorded the loan on our financial statements. On the date of acquisition, all purchased loans are recorded on our consolidated financial statements at estimated fair value. Purchase discount is the difference between the estimated fair value of loans on the date of acquisition and the principal amount owed by the borrower, net of charge offs, on the date of acquisition. We may also refer to “discounts to principal balance of loans owed, net of charge-offs”. Discounts to principal balance of loans owed, net of charge-offs is the difference between principal balance of loans owed, net of charge-offs, and loans as recorded on our financial statements. Discounts to principal balance of loans owed, net of charge-offs arise from purchase discounts, and equal the purchase discount on the acquisition date.

Loans are also categorized as “covered” or “noncovered”. Covered loans refer to loans covered by a Federal Deposit Insurance Corporation (“FDIC”) loss sharing agreement. Noncovered loans refer to loans not covered by a FDIC loss sharing agreement.

Foreclosed Assets

Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value less estimated costs to sell at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense. Gain or loss on sale of foreclosed assets is included in noninterest income. Foreclosed assets that are not subject to a FDIC loss-share agreement are referred to as noncovered foreclosed assets.

Foreclosed assets acquired through FDIC-assisted acquisitions that are subject to a FDIC loss-share agreement, and all assets acquired via foreclosure of covered loans are referred to as covered foreclosed assets. Covered foreclosed assets are reported exclusive of expected reimbursement cash flows from the FDIC. Foreclosed covered loan collateral is transferred into covered foreclosed assets at the loan’s carrying value, inclusive of the acquisition date fair value discount.

Covered foreclosed assets are initially recorded at estimated fair value less estimated costs to sell on the acquisition date based on similar market comparable valuations less estimated selling costs. Any subsequent valuation adjustments due to declines in fair value will be charged to noninterest expense, and will be mostly offset by noninterest income representing the corresponding increase to the FDIC indemnification asset for the offsetting loss reimbursement amount. Any recoveries of previous valuation adjustments will be credited to noninterest expense with a corresponding charge to noninterest income for the portion of the recovery that is due to the FDIC.

Premises and Equipment

Land is carried at cost. Land improvements, buildings and equipment, including those acquired under capital lease, are stated at cost less accumulated depreciation and amortization. Depreciation and amortization expenses are computed using the straight-line method over the estimated useful lives of the related assets or lease terms. Asset lives range from 3-10 years for furniture and equipment and 15-40 years for land improvements and buildings.

Goodwill and Other Intangible Assets

Goodwill represents the excess of costs over fair value of net assets of businesses acquired. Goodwill and other intangible assets acquired in a purchase business combination and determined to have an indefinite useful life are not amortized, but instead tested for impairment at least annually. Intangible assets with estimable useful lives are amortized over their respective estimated useful lives to their estimated residual values, and reviewed for impairment.

The Company has an identifiable intangible asset consisting of core deposit intangibles (CDI). CDI are amortized over their respective estimated useful lives, and reviewed for impairment.

Impairment of Long-Lived Assets and Goodwill

Long-lived assets, such as premises and equipment, and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposed group classified as held for sale would be presented separately in the appropriate asset and liability sections of the consolidated balance sheet.

As of December 31 of each year, goodwill is tested for impairment, and is tested for impairment more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount exceeds the asset’s fair value. This determination is made at the reporting unit level. The Company may choose to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If, after assessing the totality of events or circumstances, the Company determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then goodwill is deemed not to be impaired. However, if the Company concludes otherwise, or if the Company elected not to first assess qualitative factors, then the Company performs the first step of a two-step impairment test by calculating the fair value of the reporting unit and comparing the fair value with the carrying amount of the reporting unit. Second, if the carrying amount of the reporting unit exceeds its fair value, an impairment loss is recognized for any excess of the carrying amount of the reporting unit’s goodwill over the implied fair value of that goodwill. The implied fair value of goodwill is determined by allocating the fair value of the reporting unit in a manner similar to a purchase price allocation. The residual fair value after this allocation is the implied fair value of the reporting unit goodwill. Currently, and historically, the Company is comprised of only one reporting unit that operates within the business segment it has identified as “community banking”. Goodwill was not impaired as of December 31, 2012 or 2011 because the fair value of the reporting unit exceeded its carrying value.

Mortgage Servicing Rights

Mortgage servicing rights (MSR) represent the Company’s right to a future stream of cash flows based upon the contractual servicing fee associated with servicing mortgage loans. Our MSR arise from residential mortgage loans that we originate and sell, but retain the right to service the loans. The net gain from the retention of the servicing right is included in gain on sale of loans in noninterest income when the loan is sold. Fair value is based on market prices for comparable mortgage servicing contracts, when available, or alternatively, is based on a valuation model that calculates the present value of estimated future net servicing income. The valuation model incorporates assumptions that market participants would use in estimating future net servicing income, such as the cost to service, the discount rate, the custodial earnings rate, an inflation rate, ancillary income, prepayment speeds and default rates and losses. Servicing fees are recorded in noninterest income when earned.

We account for MSR at fair value. The determination of fair value of our MSR requires management judgment because they are not actively traded. The determination of fair value for MSR requires valuation processes which combine the use of discounted cash flow models and extensive analysis of current market data to arrive at an estimate of fair value. The cash flow and prepayment assumptions used in our discounted cash flow model are based on empirical data drawn from the historical performance of our MSR, which we believe are consistent with assumptions used by market participants valuing similar MSR, and from data obtained on the performance of similar MSR. The key assumptions used in the valuation of MSR include mortgage prepayment speeds and the discount rate. These variables can, and generally will, change from quarter to quarter as market conditions and projected interest rates change. The key risks inherent with MSR are prepayment speed and changes in interest rates. The Company uses an independent third party to determine fair value of MSR.

Indemnification Asset

The Company accounts for amounts receivable under loss-share agreements with the FDIC as indemnification assets in accordance with FASB ASC Topic 805, Business Combinations. FDIC indemnification assets are initially recorded at fair value, based on the discounted value of expected future cash flows under the loss-share agreements. The difference between the fair value and the undiscounted cash flows the Company expects to collect from the FDIC will be accreted into noninterest income over the life of the FDIC indemnification asset. FDIC indemnification assets are reviewed quarterly and adjusted for any changes in expected cash flows based on recent performance and expectations for future performance of the covered portfolios. These adjustments are measured on the same basis as the related covered loans and covered other real estate owned. Any increases in cash flow of the covered assets over those expected will reduce the FDIC indemnification asset and any decreases in cash flow of the covered assets under those expected will increase the FDIC indemnification asset. Increases and decreases to the FDIC indemnification asset are recorded as adjustments to noninterest income.

Reserve for Unfunded Commitments

The reserve for unfunded commitments is established through a provision for losses – unfunded commitments charged to noninterest expense. The reserve for unfunded commitments is an amount that Management believes will be adequate to absorb probable losses inherent in existing commitments, including unused portions of revolving lines of credits and other loans, standby letters of credits, and unused deposit account overdraft privilege. The reserve for unfunded commitments is based on evaluations of the collectability, and prior loss experience of unfunded commitments. The evaluations take into consideration such factors as changes in the nature and size of the loan portfolio, overall loan portfolio quality, loan concentrations, specific problem loans and related unfunded commitments, and current economic conditions that may affect the borrower’s or depositor’s ability to pay.

Income Taxes

The Company’s accounting for income taxes is based on an asset and liability approach. The Company recognizes the amount of taxes payable or refundable for the current year, and deferred tax assets and liabilities for the future tax consequences that have been recognized in its financial statements or tax returns. The measurement of tax assets and liabilities is based on the provisions of enacted tax laws. A valuation allowance, if needed, reduces deferred tax assets to the expected amount most likely to be realized. Realization of deferred tax assets is dependent upon the generation of a sufficient level of future taxable income and recoverable taxes paid in prior years. Although realization is not assured, management believes it is more likely than not that all of the deferred tax assets will be realized. Interest and/or penalties related to income taxes are reported as a component of noninterest income.

Off-Balance Sheet Credit Related Financial Instruments

In the ordinary course of business, the Company has entered into commitments to extend credit, including commitments under credit card arrangements, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded when they are funded.

Geographical Descriptions

For the purpose of describing the geographical location of the Company’s loans, the Company has defined northern California as that area of California north of, and including, Stockton; central California as that area of the state south of Stockton, to and including, Bakersfield; and southern California as that area of the state south of Bakersfield.

Reclassifications

Certain amounts reported in previous consolidated financial statements have been reclassified to conform to the presentation in this report. These reclassifications did not affect previously reported net income or total shareholders’ equity.

Recent Accounting Pronouncements

FASB issued ASU No. 2012-06, Business Combinations (Topic 805): Subsequent Accounting for an Indemnification Asset Recognized at the Acquisition Date as a Result of a Government-Assisted Acquisition of a Financial Institution. ASU 2012-06 requires that when a reporting entity recognizes an indemnification asset (in accordance with Subtopic 805-20) as a result of a government-assisted acquisition of a financial institution and subsequently a change in the cash flows expected to be collected on the indemnification asset occurs (as a result of a change in cash flows expected to be collected on the assets subject to indemnification), the reporting entity should subsequently account for the change in the measurement of the indemnification asset on the same basis as the change in the assets subject to indemnification. Any amortization of changes in value should be limited to the contractual term of the indemnification agreement (that is, the lesser of the term of the indemnification agreement and the remaining life of the indemnified assets). The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

FASB issued ASU No. 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income. ASU 2013-02 amends recent guidance related to the reporting of comprehensive income to enhance the reporting of reclassifications out of accumulated other comprehensive income. The Company adopted this Standard on January 1, 2013, and the adoption did not have a significant impact on the Company’s consolidated financial statements.

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Fair Value Measurement (Details) (Fair value measurement on a recurring basis [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	$ 149,438	$ 167,579
Obligations of U.S. government corporations and agencies [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	133,964	151,701
Obligations of states and political subdivisions [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	8,578	9,421
Corporate debt securities [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	1,912	1,905
Mortgage servicing rights [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	4,984	4,552
Level 1 [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value
Level 1 [Member] | Obligations of U.S. government corporations and agencies [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value
Level 1 [Member] | Obligations of states and political subdivisions [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value
Level 1 [Member] | Corporate debt securities [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value
Level 1 [Member] | Mortgage servicing rights [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value
Level 2 [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	144,454	163,027
Level 2 [Member] | Obligations of U.S. government corporations and agencies [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	133,964	151,701
Level 2 [Member] | Obligations of states and political subdivisions [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	8,578	9,421
Level 2 [Member] | Corporate debt securities [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	1,912	1,905
Level 3 [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	4,984	4,552
Level 3 [Member] | Mortgage servicing rights [Member]
Recorded amount of assets and liabilities measured at fair value on a recurring basis
Total assets measured at fair value	$ 4,984	$ 4,552

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Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurement [Abstract]

Recorded amount of assets and liabilities measured at fair value on a recurring basis

Fair value at March 31, 2013	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	133,964		—	$	133,964		—
Obligations of states and political subdivisions		8,578		—		8,578		—
Corporate debt securities		1,912		—		1,912		—
Mortgage servicing rights		4,984		—		—	$	4,984
Total assets measured at fair value	$	149,438			$	144,454	$	4,984
Fair value at December 31, 2012	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	151,701		—	$	151,701		—
Obligations of states and political subdivisions		9,421		—		9,421		—
Corporate debt securities		1,905		—		1,905		—
Mortgage servicing rights		4,552		—		—	$	4,552
Total assets measured at fair value	$	167,579		—	$	163,027	$	4,552

Reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis

Three months ended December 31,	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
2013: Mortgage servicing rights	$	4,552		—	$	(61	)	$	493	$	4,984
2012: Mortgage servicing rights	$	4,603		—	$	(369	)	$	550	$	4,784

Quantitative information about recurring Level 3 fair value measurements

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Mortgage Servicing Rights	$	4,984	Discounted cash flow	Constant prepayment rate	7.5%-24.0%, 17.3%
				Discount rate	10.0%-10.0%, 10.0%

Assets and liabilities measured at fair value on a nonrecurring basis

Year ended March 31, 2013	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	23,989		—		—	$	23,989	$	(1,948	)
Foreclosed assets		352		—		—		352		(27	)
Total assets measured at fair value	$	24,341		—		—	$	24,341	$	(1,975	)
Three months ended March 31, 2012	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	21,110		—		—	$	21,110	$	(334	)
Foreclosed assets		680		—		—		680		(83	)
Total assets measured at fair value	$	21,790		—		—	$	21,790	$	(417	)

Quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Impaired Originated & PNCI Loans	$	23,989	Sales comparison approach Income approach	Adjustment for differences between comparable sales Capitalization rate	0.0%-41.2%, 12.8% 6.7%-9.5%, 9.1%
Foreclosed assets	$	352	Sales comparison approach	Adjustment for differences between comparable sales	7.5%-7.5%, 7.5%

The estimated fair values of financial instruments that are reported at amortized cost in consolidated balance sheets

	March 31, 2013				December 31, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	70,023	$	70,023	$	81,086	$	81,086
Cash at Federal Reserve and other banks		732,248		732,248		667,813		667,813
Level 2 inputs:
Restricted equity securities		9,647		9,647		9,647		9,647
Loans held for sale		7,931		7,931		12,053		12,053
Accrued interest receivable		7,201		7,201		6,636		6,636
Level 3 inputs:
Loans, net		1,492,495		1,572,687		1,522,175		1,607,044
Indemnification asset		1,807		1,807		1,997		1,997
Financial liabilities:
Level 2 inputs:
Deposits		2,285,550		2,287,439		2,289,702		2,291,841
Accrued interest payable		975		975		1,036		1,036
Other borrowings		8,125		8,125		9,197		9,197
Junior subordinated debt		41,238		28,454		41,238		28,042
	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	559,162	$	5,592	$	557,254	$	5,573
Standby letters of credit		2,004		20		2,905		29
Overdraft privilege commitments		71,288		713		69,675		697

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Regulatory Matters (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Consolidated [Member]
Actual capital amounts and ratios of the Bank
Total Capital (to Risk Weighted Assets), Actual, Amount	$ 280,792	$ 273,979
Total Capital (to Risk Weighted Assets), Actual, Ratio	15.19%	14.53%
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	147,908	150,896
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	8.00%	8.00%
Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	257,435	250,133
Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	13.92%	13.27%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	73,954	75,448
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%
Tier 1 Capital (to Average Assets), Actual, Amount	257,435	250,133
Tier 1 Capital (to Average Assets), Actual, Ratio	9.93%	9.82%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount	103,710	101,918
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%
Tri Counties Bank [Member]
Actual capital amounts and ratios of the Bank
Total Capital (to Risk Weighted Assets), Actual, Amount	278,540	271,723
Total Capital (to Risk Weighted Assets), Actual, Ratio	15.08%	14.42%
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	147,808	150,796
Total Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	8.00%	8.00%
Total Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount	184,661	188,495
Total Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	10.00%	10.00%
Tier 1 Capital (to Risk Weighted Assets), Actual, Amount	255,199	247,892
Tier 1 Capital (to Risk Weighted Assets), Actual, Ratio	13.81%	13.16%
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Amount	73,904	75,398
Tier 1 Capital (to Risk Weighted Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%
Tier 1 Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount	110,856	113,097
Tier 1 Capital (to Risk Weighted Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	6.00%	6.00%
Tier 1 Capital (to Average Assets), Actual, Amount	255,189	247,892
Tier 1 Capital (to Average Assets), Actual, Ratio	9.85%	9.73%
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Amount	103,658	101,866
Tier 1 Capital (to Average Assets), Minimum Capital Requirement, Ratio	4.00%	4.00%
Tier 1 Capital (to Average Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Amount	$ 129,572	$ 127,333
Tier 1 Capital (to Average Assets), Minimum to be Well Capitalized Under Prompt Corrective Action Provisions, Ratio	5.00%	5.00%

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Foreclosed Assets (Tables)

3 Months Ended

Mar. 31, 2013

Foreclosed Assets [Abstract]

Summary of the activity in the balance of foreclosed assets

	Three months ended March 31, 2013									Three months ended March 31, 2012
	Non covered			Covered			Total			Non covered			Covered			Total
Beginning balance, net	$	5,957		$	1,541		$	7,498		$	13,268		$	3,064		$	16,332
Additions/transfers from loans		5,473			263			5,736			1,694			225			1,919
Dispositions/sales		(6,816	)		(267	)		(7,083	)		(3,379	)		—			(3,379	)
Valuation adjustments		(27	)		—			(27	)		(83	)		—			(83	)
Ending balance, net	$	4,587		$	1,537		$	6,124		$	11,500		$	3,289		$	14,789
Ending valuation allowance	$	984		$	488		$	1,472		$	(977	)	$	(776	)	$	(1,753	)
Ending number of foreclosed assets		33			4			37			52			11			63
Proceeds from sale of foreclosed assets	$	7,354		$	280		$	7,635		$	3,021			—		$	3,021
Gain (loss) on sale of foreclosed assets	$	538		$	13		$	551		$	(358	)		—		$	(358	)

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Noninterest Income and Expenses

3 Months Ended

Mar. 31, 2013

Noninterest Income and Expenses [Abstract]

Noninterest Income and Expenses

Note 21—Noninterest Income and Expenses

The components of other noninterest income were as follows (in thousands):

	Three months ended March 31,
	2013			2012
Service charges on deposit accounts	$	3,140		$	3,527
ATM and interchange fees		1,875			1,819
Other service fees		559			603
Mortgage banking service fees		416			372
Change in value of mortgage servicing rights		(61	)		(369	)
Total service charges and fees		5,929			5,952
Gain on sale of loans		2,294			1,650
Commissions on sale of non-deposit investment products		761			819
Increase in cash value of life insurance		426			450
Change in indemnification asset		(101	)		(353	)
Gain (loss) on sale of foreclosed assets		551			(358	)
Sale of customer checks		91			73
Lease brokerage income		117			58
Loss on disposal of fixed assets		(16	)		(235	)
Commission rebates		—			(16	)
Other		166			225
Total other noninterest income		4,289			2,313
Total noninterest income	$	10,218		$	8,265

Mortgage loan servicing fees, net of change in fair value of mortgage loan servicing rights, totaling $355,000 and $3,000 were recorded in service charges and fees noninterest income for the three months ended March 31, 2013 and 2012, respectively.

The components of noninterest expense were as follows (in thousands):

	Three months ended March 31,
	2013			2012
Base salaries, net of deferred loan origination costs	$	8,348		$	8,159
Incentive compensation		1,286			1,375
Benefits and other compensation costs		3,327			3,228
Total salaries and benefits expense		12,961			12,762
Occupancy		1,659			1,716
Equipment		1,034			1,117
Data processing and software		1,078			1,294
ATM network charges		496			567
Telecommunications		525			555
Postage		231			256
Courier service		167			189
Advertising		325			498
Assessments		606			606
Operational losses		117			116
Professional fees		486			423
Foreclosed assets expense		99			525
Provision for foreclosed asset losses		27			83
Change in reserve for unfunded commitments		(440	)		(190	)
Intangible amortization		52			53
Other		2,178			2,345
Total other noninterest expense		8,640			10,153
Total noninterest income	$	21,601		$	22,915

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Stock Options and Other Equity-Based Incentive Instruments

3 Months Ended

Mar. 31, 2013

Stock Options and Other Equity-Based Incentive Instruments [Abstract]

Stock Options and Other Equity-Based Incentive Instruments

Note 20—Stock Options and Other Equity-Based Incentive Instruments

In March 2009, the Company’s Board of Directors adopted the TriCo Bancshares 2009 Equity Incentive Plan (2009 Plan) covering officers, employees, directors of, and consultants to, the Company. The 2009 Plan was approved by the Company’s shareholders in May 2009. The 2009 Plan allows for the granting of the following types of “stock awards” (Awards): incentive stock options, nonstatutory stock options, performance awards, restricted stock, restricted stock unit awards and stock appreciation rights. In May 2013, the Company’s shareholders approved an amendment to the 2009 Plan increasing the maximum aggregate number of shares of TriCo’s common stock which may be issued pursuant to or subject to Awards from 650,000 to 1,650,000. The number of shares available for issuance under the 2009 Plan is reduced by: (i) one share for each share of common stock issued pursuant to a stock option or a Stock Appreciation Right and (ii) two shares for each share of common stock issued pursuant to a Performance Award, a Restricted Stock Award or a Restricted Stock Unit Award. When Awards made under the 2009 Plan expire or are forfeited or cancelled, the underlying shares will become available for future Awards under the 2009 Plan. To the extent that a share of common stock pursuant to an Award that counted as two shares against the number of shares again becomes available for issuance under the 2009 Plan, the number of shares of common stock available for issuance under the 2009 Plan shall increase by two shares. Shares awarded and delivered under the 2009 Plan may be authorized but unissued, or reacquired shares. As of March 31, 2013, 585,500 options for the purchase of common shares remain outstanding, and 1,064,500 remain available for grant, under the 2009 Plan (giving effect to the amendment described above).

In May 2001, the Company adopted the TriCo Bancshares 2001 Stock Option Plan (2001 Plan) covering officers, employees, directors of, and consultants to, the Company. Under the 2001 Plan, the option exercise price cannot be less than the fair market value of the Common Stock at the date of grant except in the case of substitute options. Options for the 2001 Plan expire on the tenth anniversary of the grant date. Vesting schedules under the 2001 Plan are determined individually for each grant. As of March 31, 2013, 795,935 options for the purchase of common shares remain outstanding under the 2001 Plan. No new options may be granted under the 2001 Plan.

Stock option activity is summarized in the following table for the time period indicated:

	Number of Shares			Option Price per Share					Weighted Average Exercise Price		Weighted Average Fair Value on Date of Grant
Outstanding at December 31, 2012		1,393,935		$	12.60	to	$	25.91	$	17.07
Options granted		7,500		$	16.59	to	$	16.59	$	16.59	$	7.51
Options exercised		(20,000	)	$	13.09	to	$	13.09	$	13.09
Options forfeited		—			—	to		—		—
Outstanding at March 31, 2013		1,381,435		$	12.60	to	$	25.91	$	17.13

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2013:

	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		1,047,546		333,889		1,381,435
Weighted average exercise price	$	17.65	$	15.49	$	17.13
Intrinsic value (in thousands)	$	1,379	$	568	$	1,947
Weighted average remaining contractual term (yrs.)		3.7		8.5		4.9

The 333,889 options that are currently not exercisable as of March 31, 2013 are expected to vest, on a weighted-average basis, over the next 3.3 years, and the Company is expected to recognize $2,308,000 of pre-tax compensation costs related to these options as they vest. The Company did not modify any option grants during 2012 or the three months ended March 31, 2013.

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Commitments and Contingencies (Details Textual) (USD $)	1 Months Ended	3 Months Ended
	Sep. 26, 2012	Mar. 31, 2013 Site	Mar. 31, 2012	Dec. 31, 2012	Aug. 21, 2007
Commitments and Contingencies (Textual) [Abstract]
Class B common stock of Visa Inc		16,005,191		16,000,838	15,814,662
Commitments and Contingencies (Additional Textual) [Abstract]
Reserves to satisfy Federal regulatory requirements		$ 35,533,000		$ 31,594,000
Number of sites leased under non-cancelable operating leases		47
Rent expense under operating leases		791,000	832,000
Conversion ratio		0.4206
Former employee settlement minimum amount	2,039,500
Former employee settlement maximum amount	2,500,000
Recorded expense and accrued liability in anticipation of approval of this settlement	2,090,000
Common Class A [Member]
Commitments and Contingencies (Textual) [Abstract]
The value of the Class A shares		$ 169.84
Value of unredeemed Class A equivalent shares		$ 730,000
Common Class B [Member]
Commitments and Contingencies (Textual) [Abstract]
Class B common stock of Visa Inc		10,214

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Noninterest Income and Expenses (Tables)

3 Months Ended

Mar. 31, 2013

Noninterest Income and Expenses [Abstract]

Components of other noninterest income

	Three months ended March 31,
	2013			2012
Service charges on deposit accounts	$	3,140		$	3,527
ATM and interchange fees		1,875			1,819
Other service fees		559			603
Mortgage banking service fees		416			372
Change in value of mortgage servicing rights		(61	)		(369	)
Total service charges and fees		5,929			5,952
Gain on sale of loans		2,294			1,650
Commissions on sale of non-deposit investment products		761			819
Increase in cash value of life insurance		426			450
Change in indemnification asset		(101	)		(353	)
Gain (loss) on sale of foreclosed assets		551			(358	)
Sale of customer checks		91			73
Lease brokerage income		117			58
Loss on disposal of fixed assets		(16	)		(235	)
Commission rebates		—			(16	)
Other		166			225
Total other noninterest income		4,289			2,313
Total noninterest income	$	10,218		$	8,265

Components of noninterest expense

	Three months ended March 31,
	2013			2012
Base salaries, net of deferred loan origination costs	$	8,348		$	8,159
Incentive compensation		1,286			1,375
Benefits and other compensation costs		3,327			3,228
Total salaries and benefits expense		12,961			12,762
Occupancy		1,659			1,716
Equipment		1,034			1,117
Data processing and software		1,078			1,294
ATM network charges		496			567
Telecommunications		525			555
Postage		231			256
Courier service		167			189
Advertising		325			498
Assessments		606			606
Operational losses		117			116
Professional fees		486			423
Foreclosed assets expense		99			525
Provision for foreclosed asset losses		27			83
Change in reserve for unfunded commitments		(440	)		(190	)
Intangible amortization		52			53
Other		2,178			2,345
Total other noninterest expense		8,640			10,153
Total noninterest income	$	21,601		$	22,915

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Premises and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Premises and Equipment [Abstract]

Summary of premises and equipment

	March 31, 2013			December 31, 2012
	(In thousands)
Land & land improvements	$	5,905		$	5,929
Buildings		23,104			23,090
Furniture and equipment		25,778			25,877
		54,787			54,896
Less: Accumulated depreciation		(32,712	)		(32,101	)
		22,075			22,795
Construction in progress		7,393			4,190
Total premises and equipment	$	29,468		$	26,985

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Income Taxes

3 Months Ended

Mar. 31, 2013

Income Taxes [Abstract]

Income Taxes

Note 22—Income Taxes

The provisions for income taxes applicable to income before taxes differ from amounts computed by applying the statutory Federal income tax rates to income before taxes. The effective tax rate and the statutory federal income tax rate are reconciled for the periods indicated as follows:

	Three months ended March 31,
	2013			2012
Federal statutory income tax rate		35.0	%		35.0	%
State income taxes, net of federal tax benefit		6.8			6.3
Tax-exempt interest on municipal obligations		(0.2	)		(0.6	)
Increase in cash value of insurance policies		(1.0	)		(2.5	)
Other		0.1			0.3
Effective Tax Rate		40.7	%		38.5	%

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Earnings Per Share

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share

Note 23 – Earnings Per Share

Basic earnings per share represents income available to common shareholders divided by the weighted-average number of common shares outstanding during the period. Diluted earnings per share reflects additional common shares that would have been outstanding if dilutive potential common shares had been issued, as well as any adjustments to income that would result from assumed issuance. Potential common shares that may be issued by the Company relate solely from outstanding stock options, and are determined using the treasury stock method. Earnings per share have been computed based on the following:

	Three months ended March 31,
(In thousands)	2013		2012
Net income	$	8,477	$	3,931
Average number of common shares outstanding		16,002		15,979
Effect of dilutive stock options		89		64
Average number of common shares outstanding used to calculate diluted earnings per share		16,091		16,043
Options excluded from diluted earnings per share because the effect of these options was antidilutive		856		869

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net income	$ 8,477	$ 3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of premises and equipment, and amortization	982	1,018
Amortization of intangible assets	52	53
(Benefit from) provision for loan losses	(1,108)	3,996
Amortization of investment securities premium, net	214	329
Originations of loans for resale	(53,415)	(58,041)
Proceeds from sale of loans originated for resale	59,338	63,491
Gain on sale of loans	(2,294)	(1,650)
Change in market value of mortgage servicing rights	61	369
Provision for losses on foreclosed assets	27	83
(Gain) loss on sale of foreclosed assets	(551)	358
Loss on disposal of fixed assets	16	235
Increase in cash value of life insurance	(426)	(450)
Life insurance proceeds	706	2,811
Stock option vesting expense	236	257
Stock option tax benefits	(20)
Change in:
Reserve for unfunded commitments	(440)	(190)
Interest receivable	(565)	217
Interest payable	(61)	(87)
Other assets and liabilities, net	2,056	1,223
Net cash from operating activities	13,285	17,953
Investing activities:
Proceeds from maturities of securities available-for-sale	17,286	20,060
Purchases of securities available-for-sale		(3,588)
Net redemption of restricted equity securities		102
Loan principal decreases, net	25,051	33,795
Proceeds from sale of foreclosed assets	7,635	3,021
Improvement of foreclosed assets		(225)
Proceeds from sale of premises and equipment	1
Purchases of premises and equipment	(3,241)	(938)
Net cash from investing activities	46,732	52,227
Financing activities:
Net decrease in deposits	(4,152)	(20,790)
Net change in short-term other borrowings	(1,072)	(3,467)
Stock option excess tax benefits	20
Dividends paid	(1,441)	(1,438)
Net cash used for financing activities	(6,645)	(25,695)
Net change in cash and cash equivalents	53,372	44,485
Cash and cash equivalents at beginning of period	748,899	637,275
Cash and cash equivalents at end of period	802,271	681,760
Supplemental disclosure of noncash activities:
Loans transferred to other real estate owned	5,737	1,694
Unrealized net loss on securities available for sale	(1,073)	(265)
Supplemental disclosure of cash flow activity:
Cash paid for interest expense	1,298	2,215
Cash paid for income taxes	$ 2,600

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Comprehensive Income

3 Months Ended

Mar. 31, 2013

Shareholders' Equity and Comprehensive Income [Abstract]

Comprehensive Income

Note 24 – Comprehensive Income

Accounting principles generally require that recognized revenue, expenses, gains and losses be included in net income. Although certain changes in assets and liabilities, such as unrealized gains and losses on available-for-sale securities, are reported as a separate component of the equity section of the balance sheet, such items, along with net income, are components of comprehensive income. The components of other comprehensive income and related tax effects are as follows:

	Three months ended March 31,
	2013			2012
(In thousands)
Decrease in unrealized gains on available-for-sale securities arising during the period	$	(1,073	)	$	(265	)
Tax effect		452			112
Other comprehensive income	$	(621	)	$	(153	)

The components of accumulated other comprehensive income, included in shareholders’ equity, are as follows:

	March 31, 2013			December 31, 2012
	(In thousands)
Net unrealized gains on available-for-sale securities	$	7,361		$	8,434
Tax effect		(3,095	)		(3,547	)
Unrealized gains on available-for-sale securities, net of tax		4,266			4,887
Minimum pension liability		(3,806	)		(3,806	)
Tax effect		1,600			1,600
Minimum pension liability, net of tax		(2,206	)		(2,206	)
Joint beneficiary agreement liability		(522	)		(522	)
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		(522	)		(522	)
Accumulated other comprehensive income (loss)	$	1,538		$	2,159

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Cash Value of Life Insurance (Details Textual)	3 Months Ended
	Mar. 31, 2013 Company Policy	Mar. 31, 2012 Company
Cash Value of Life Insurance (Textual) [Abstract]
Number of life insurance policies owned by the Company	133
Insurance companies used	6	6
Policies covering current and former employees and directors	36

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Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Summary of the Loan Activity
Beginning balance	$ 2,368	$ 1,764
Advances/new loans	227	1,568
Removed/payments	(220)	(964)
Ending balance	$ 2,375	$ 2,368

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2013

Investment Securities [Abstract]

Amortized cost and estimated fair values of investments in debt and equity securities

	March 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	126,912	$	7,052		—	$	133,964
Obligations of states and political subdivisions		8,315		263		—		8,578
Corporate debt securities		1,866		46		—		1,912
Total securities available-for-sale	$	137,093	$	7,361		—	$	144,454
	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	143,633	$	8,068		—	$	151,701
Obligations of states and political subdivisions		9,098		323		—		9,421
Corporate debt securities		1,862		43		—		1,905
Total securities available-for-sale	$	154,593	$	8,434		—	$	163,027

Amortized cost and estimated fair value of debt securities by contractual maturity

	Amortized Cost		Estimated Fair Value
Investment Securities	(in thousands)
Due in one year	$	2,692	$	2,766
Due after one year through five years		4,637		4,872
Due after five years through ten years		43,900		45,569
Due after ten years		85,864		91,247
Totals	$	137,093	$	144,454

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Other Borrowings (Tables)

3 Months Ended

Mar. 31, 2013

Other Borrowings [Abstract]

Summary of the balances of other borrowings

(In thousands)	March 31, 2013		December 31, 2012
Other collateralized borrowings, fixed rate, as of
March 31, 2013 of 0.05% payable on April 1, 2013	$	8,125	$	9,197
Total other borrowings	$	8,125	$	9,197

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Loans (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Change in accretable yield:
Balance at beginning of period	$ 22,337	$ 25,145
Accretion to interest income	(1,623)	(1,959)
Reclassification (to) from nonaccretable difference	(23)	1,429
Balance at end of period	$ 20,691	$ 24,615

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets:
Cash and due from banks	$ 70,023	$ 81,086
Cash at Federal Reserve and other banks	732,248	667,813
Cash and cash equivalents	802,271	748,899
Securities available-for-sale	144,454	163,027
Restricted equity securities	9,647	9,647
Loans held for sale	7,931	12,053
Loans	1,532,362	1,564,823
Allowance for loan losses	(39,867)	(42,648)
Total loans, net	1,492,495	1,522,175
Foreclosed assets, net	6,124	7,498
Premises and equipment, net	29,468	26,985
Cash value of life insurance	51,008	50,582
Accrued interest receivable	7,201	6,636
Goodwill	15,519	15,519
Other intangible assets, net	1,040	1,092
Mortgage servicing rights	4,984	4,552
Indemnification asset	1,807	1,997
Other assets	38,484	38,607
Total assets	2,612,433	2,609,269
Deposits:
Noninterest-bearing demand	639,420	684,833
Interest-bearing	1,646,130	1,604,869
Total deposits	2,285,550	2,289,702
Accrued interest payable	975	1,036
Reserve for unfunded commitments	3,175	3,615
Other liabilities	37,340	35,122
Other borrowings	8,125	9,197
Junior subordinated debt	41,238	41,238
Total liabilities	2,376,403	2,379,910
Commitments and contingencies (Note 18)
Shareholders' equity:
Common stock, no par value: 50,000,000 shares authorized; issued and outstanding:16,005,191 at March 31, 2013, 16,000,838 at December 31, 2012	85,995	85,561
Retained earnings	148,497	141,639
Accumulated other comprehensive income, net of tax	1,538	2,159
Total shareholders' equity	236,030	229,359
Total liabilities and shareholders' equity	$ 2,612,433	$ 2,609,269

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Cash Value of Life Insurance (Tables)

3 Months Ended

Mar. 31, 2013

Cash Value of Life Insurance [Abstract]

Summary of the activity in the balance of cash value of life insurance

	Three months ended March 31,
	2013		2012
Beginning balance	$	50,582	$	50,403
Increase in cash value of life insurance		426		450
Ending balance	$	51,008	$	50,853
End of period death benefit	$	94,234	$	95,593
Number of policies owned		133		139
Insurance companies used		6		6
Current and former employees and directors covered		36		38

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Other Borrowings (Details Textual) (USD $)			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Other collateralized borrowings, fixed rate, as of March 31, 2013 of 0.05% payable on April 1, 2013 [Member]
Other Borrowings (Textual) [Abstract]
FHLB fixed rate borrowings effective rate			0.05%
FHLB fixed rate borrowings maturity date			Apr. 01, 2013
Other Borrowings (Additional Textual) [Abstract]
Other collateralized borrowings	$ 8,125,000	$ 9,197,000
Repurchase investment securities sold and pledged as collateral under securities repurchase agreement	8,125,000
FHLB Collateral line of credit, maximum borrowings capacity	511,625,000
FHLB collateral line of credit, outstanding balance	0
FHLB collateral line of credit, remaining borrowing capacity	511,625,000
Loans designated as potential collateral under collateralized line of credit with FHLB	1,006,023,000
Collateralized line of credit with Federal Reserve Bank, maximum borrowings capacity	80,091,000
Collateralized line of credit with Federal Reserve Bank, outstanding balance	0
Collateralized line of credit with Federal Reserve Bank, remaining borrowing capacity	80,091,000
Investment securities designated as potential collateral under collateral line of credit with FRB	54,000
Loans designated as potential collateral under collateral line of credit with FRB	102,267,000
Unused correspondent banking lines of credit from commercial banks for federal funds	$ 5,000,000

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Retirement Plans (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Retirement Plans (Textual) [Abstract]
Contribution and paid out as benefits	$ 106,000	$ 106,000
Forecast [Member]
Retirement Plans (Textual) [Abstract]
Contribution and paid out as benefits	$ 472,000

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Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2011	$ 216,441	$ 84,079	$ 128,551	$ 3,811
Beginning balance, shares at Dec. 31, 2011		15,978,958
Net income	3,931		3,931
Other comprehensive loss	(153)			(153)
Stock option vesting	257	257
Dividends paid ($0.09 per share)	(1,438)		(1,438)
Ending balance at Mar. 31, 2012	219,038	84,336	131,044	3,658
Ending balance, shares at Mar. 31, 2012		15,978,958
Beginning balance at Dec. 31, 2012	229,359	85,561	141,639	2,159
Beginning balance, shares at Dec. 31, 2012	16,000,838	16,000,838
Net income	8,477		8,477
Other comprehensive loss	(621)			(621)
Stock option vesting	236	236
Stock options exercised	262	262
Stock options exercised, shares		20,000
Tax benefit of stock options exercised	20	20
Repurchase of common stock, value	(262)	(84)	(178)
Repurchase of common stock, shares		(15,647)
Dividends paid ($0.09 per share)	(1,441)		(1,441)
Ending balance at Mar. 31, 2013	$ 236,030	$ 85,995	$ 148,497	$ 1,538
Ending balance, shares at Mar. 31, 2013	16,005,191	16,005,191

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Other Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Components of other liabilities
Deferred compensation	$ 7,894	$ 7,738
Supplemental retirement	16,694	16,345
Joint beneficiary agreements	2,805	2,736
Accrued legal settlement	2,090	2,090
Miscellaneous other liabilities	7,857	6,213
Total other liabilities	$ 37,340	$ 35,122

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Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2013

Shareholders' Equity and Comprehensive Income [Abstract]

Components of other comprehensive income and related tax effects

	Three months ended March 31,
	2013			2012
(In thousands)
Decrease in unrealized gains on available-for-sale securities arising during the period	$	(1,073	)	$	(265	)
Tax effect		452			112
Other comprehensive income	$	(621	)	$	(153	)

Components of accumulated other comprehensive income

	March 31, 2013			December 31, 2012
	(In thousands)
Net unrealized gains on available-for-sale securities	$	7,361		$	8,434
Tax effect		(3,095	)		(3,547	)
Unrealized gains on available-for-sale securities, net of tax		4,266			4,887
Minimum pension liability		(3,806	)		(3,806	)
Tax effect		1,600			1,600
Minimum pension liability, net of tax		(2,206	)		(2,206	)
Joint beneficiary agreement liability		(522	)		(522	)
Tax effect		—			—
Joint beneficiary agreement liability, net of tax		(522	)		(522	)
Accumulated other comprehensive income (loss)	$	1,538		$	2,159

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Commitments and Contingencies (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit
Commercial loans [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	133,953	123,517
Consumer loans [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	369,110	369,467
Real estate mortgage loans [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	27,388	27,959
Real estate construction loans [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	28,711	36,311
Standby letters of credit [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	2,004	2,905
Deposit account overdraft privilege [Member]
Summary of the Bank's commitments and contingent liabilities
Commitments to extend credit	$ 71,288	$ 69,675

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Fair Value Measurement

3 Months Ended

Mar. 31, 2013

Fair Value Measurement [Abstract]

Fair Value Measurement

Note 27—Fair Value Measurement

The Company utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. In estimating fair value, the Company utilizes valuation techniques that are consistent with the market approach, income approach, and/or the cost approach. Inputs to valuation techniques include the assumptions that market participants would use in pricing an asset or liability including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset and the risk of nonperformance. Securities available-for-sale and mortgage servicing rights are recorded at fair value on a recurring basis. Additionally, from time to time, the Company may be required to record at fair value other assets on a nonrecurring basis, such as loans held for sale, loans held for investment and certain other assets. These nonrecurring fair value adjustments typically involve application of lower of cost or market accounting or impairment write-downs of individual assets.

The Company groups assets and liabilities at fair value in three levels, based on the markets in which the assets and liabilities are traded and the observable nature of the assumptions used to determine fair value. These levels are:

Level 1— Valuation is based upon quoted prices for identical instruments traded in active markets.

Level 2— Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market.

Level 3— Valuation is generated from model-based techniques that use at least one significant assumption not observable in the market. These unobservable assumptions reflect estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models and similar techniques.

Securities available-for-sale—Securities available-for-sale are recorded at fair value on a recurring basis. Fair value measurement is based upon quoted prices, if available. If quoted prices are not available, fair values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. Level 1 securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 securities include mortgage-backed securities issued by government sponsored entities, municipal bonds and corporate debt securities. The Company had no securities classified as Level 3 during any of the periods covered in these financial statements.

Loans held for sale – Loans held for sale are carried at the lower of cost or fair value. The fair value of loans held for sale is based on what secondary markets are currently offering for loans with similar characteristics. As such, we classify those loans subjected to nonrecurring fair value adjustments as Level 2.

Impaired originated and PNCI loans – Originated and PNCI loans are not recorded at fair value on a recurring basis. However, from time to time, an originated or PNCI loan is considered impaired and an allowance for loan losses is established. Originated and PNCI loans for which it is probable that payment of interest and principal will not be made in accordance with the contractual terms of the loan agreement are considered impaired. The fair value of an impaired originated or PNCI loan is estimated using one of several methods, including collateral value, fair value of similar debt, enterprise value, liquidation value and discounted cash flows. Those impaired originated and PNCI loans not requiring an allowance represent loans for which the fair value of the expected repayments or collateral exceed the recorded investments in such loans. Impaired originated and PNCI loans where an allowance is established based on the fair value of collateral require classification in the fair value hierarchy. When the fair value of the collateral is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated or PNCI loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the impaired originated or PNCI loan as nonrecurring Level 3.

Foreclosed assets—Foreclosed assets include assets acquired through, or in lieu of, loan foreclosure. Foreclosed assets are held for sale and are initially recorded at fair value at the date of foreclosure, establishing a new cost basis. Subsequent to foreclosure, management periodically performs valuations and the assets are carried at the lower of carrying amount or fair value less cost to sell. When the fair value of foreclosed assets is based on an observable market price or a current appraised value which uses substantially observable data, the Company records the impaired originated loan as nonrecurring Level 2. When an appraised value is not available or management determines the fair value of the collateral is further impaired below the appraised value, or the appraised value contains a significant unobservable assumption, such as deviations from comparable sales, and there is no observable market price, the Company records the foreclosed asset as nonrecurring Level 3. Revenue and expenses from operations and changes in the valuation allowance are included in other noninterest expense.

Mortgage servicing rights—Mortgage servicing rights are carried at fair value. A valuation model, which utilizes a discounted cash flow analysis using a discount rate and prepayment speed assumptions is used in the computation of the fair value measurement. While the prepayment speed assumption is currently quoted for comparable instruments, the discount rate assumption currently requires a significant degree of management judgment and is therefore considered an unobservable input. As such, the Company classifies mortgage servicing rights subjected to recurring fair value adjustments as Level 3. Additional information regarding mortgage servicing rights can be found in Note 10 in the consolidated financial statements at Item 1 of this report.

The table below presents the recorded amount of assets and liabilities measured at fair value on a recurring basis (in thousands):

Fair value at March 31, 2013	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	133,964		—	$	133,964		—
Obligations of states and political subdivisions		8,578		—		8,578		—
Corporate debt securities		1,912		—		1,912		—
Mortgage servicing rights		4,984		—		—	$	4,984
Total assets measured at fair value	$	149,438			$	144,454	$	4,984
Fair value at December 31, 2012	Total		Level 1		Level 2		Level 3
Securities available-for-sale:
Obligations of U.S. government corporations and agencies	$	151,701		—	$	151,701		—
Obligations of states and political subdivisions		9,421		—		9,421		—
Corporate debt securities		1,905		—		1,905		—
Mortgage servicing rights		4,552		—		—	$	4,552
Total assets measured at fair value	$	167,579		—	$	163,027	$	4,552

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 corresponds with the Company’s quarterly valuation process. There were no transfers between any levels during the three months ended March 31, 2013 or the year ended December 31, 2012.

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three months ended Mach 31, 2013 and 2012. Had there been any transfer into or out of Level 3 during 2012 or 2011, the amount included in the “Transfers into (out of) Level 3” column would represent the beginning balance of an item in the period (interim quarter) during which it was transferred (in thousands):

Three months ended December 31,	Beginning Balance		Transfers into (out of) Level 3		Change Included in Earnings			Issuances		Ending Balance
2013: Mortgage servicing rights	$	4,552		—	$	(61	)	$	493	$	4,984
2012: Mortgage servicing rights	$	4,603		—	$	(369	)	$	550	$	4,784

The Company’s method for determining the fair value of mortgage servicing rights is described in Note 1. The key unobservable inputs used in determining the fair value of mortgage servicing rights are mortgage prepayment speeds and the discount rate used to discount cash projected cash flows. Generally, any significant increases in the mortgage prepayment speed and discount rate utilized in the fair value measurement of the mortgage servicing rights will result in a negative fair value adjustments (and decrease in the fair value measurement). Conversely, a decrease in the mortgage prepayment speed and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement). Note 10 contains additional information regarding mortgage servicing rights.

The following table presents quantitative information about recurring Level 3 fair value measurements at March 31, 2013:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Mortgage Servicing Rights	$	4,984	Discounted cash flow	Constant prepayment rate	7.5%-24.0%, 17.3%
				Discount rate	10.0%-10.0%, 10.0%

The tables below present the recorded amount of assets and liabilities measured at fair value on a nonrecurring basis, as of the dates indicated, that had a write-down or an additional allowance provided during the periods indicated (in thousands):

Three months ended March 31, 2013	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	23,989		—		—	$	23,989	$	(1,948	)
Foreclosed assets		352		—		—		352		(27	)
Total assets measured at fair value	$	24,341		—		—	$	24,341	$	(1,975	)
Three months ended March 31, 2012	Total		Level 1		Level 2		Level 3		Total Gains (Losses)
Fair value:
Impaired Originated & PNCI loans	$	21,110		—		—	$	21,110	$	(334	)
Foreclosed assets		680		—		—		680		(83	)
Total assets measured at fair value	$	21,790		—		—	$	21,790	$	(417	)

The impaired Originated and PNCI loan amount above represents impaired, collateral dependent loans that have been adjusted to fair value. When we identify a collateral dependent loan as impaired, we measure the impairment using the current fair value of the collateral, less selling costs. Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals. If we determine that the value of the impaired loan is less than the recorded investment in the loan, we recognize this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses. The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral. The carrying value of loans fully charged-off is zero.

The foreclosed assets amount above represents impaired real estate that has been adjusted to fair value. Foreclosed assets represent real estate which the Bank has taken control of in partial or full satisfaction of loans. At the time of foreclosure, other real estate owned is recorded at the lower of the carrying amount of the loan or fair value less costs to sell, which becomes the property’s new basis. Any write-downs based on the asset’s fair value at the date of acquisition are charged to the allowance for loan and lease losses. After foreclosure, management periodically performs valuations such that the real estate is carried at the lower of its new cost basis or fair value, net of estimated costs to sell. Fair value adjustments on other real estate owned are recognized within net loss on real estate owned. The loss represents impairments on non-covered other real estate owned for fair value adjustments based on the fair value of the real estate.

The Company’s property appraisals are primarily based on the sales comparison approach and income approach methodologies, which consider recent sales of comparable properties, including their income generating characteristics, and then make adjustments to reflect the general assumptions that a market participant would make when analyzing the property for purchase. These adjustments may increase or decrease an appraised value and can vary significantly depending on the location, physical characteristics and income producing potential of each property. Additionally, the quality and volume of market information available at the time of the appraisal can vary from period to period and cause significant changes to the nature and magnitude of comparable sale adjustments. Given these variations, comparable sale adjustments are generally not a reliable indicator for how fair value will increase or decrease from period to period. Under certain circumstances, management discounts are applied based on specific characteristics of an individual property.

The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis at March 31, 2013:

	Fair Value (in thousands)		Valuation Technique	Unobservable Inputs	Range, Weighted Average
Impaired Originated & PNCI Loans	$	23,989	Sales comparison approach Income approach	Adjustment for differences between comparable sales Capitalization rate	0.0%-41.2%, 12.8% 6.7%-9.5%, 9.1%
Foreclosed assets	$	352	Sales comparison approach	Adjustment for differences between comparable sales	7.5%-7.5%, 7.5%

In addition to the methods and assumptions used to estimate the fair value of each class of financial instrument noted above, the following methods and assumptions were used to estimate the fair value of other classes of financial instruments for which it is practical to estimate the fair value.

Short-term Instruments—Cash and due from banks, fed funds purchased and sold, interest receivable and payable, and short-term borrowings are considered short-term instruments. For these short-term instruments their carrying amount approximates their fair value.

Restricted Equity Securities—The carrying value of restricted equity securities approximates fair value as the shares can only be redeemed by the issuing institution at par.

Originated and PNCI loans - The fair value of variable rate originated and PNCI loans is the current carrying value. The interest rates on these originated and PNCI loans are regularly adjusted to market rates. The fair value of other types of fixed rate originated and PNCI loans is estimated by discounting the future cash flows using current rates at which similar loans would be made to borrowers with similar credit ratings for the same remaining maturities. The allowance for loan losses is a reasonable estimate of the valuation allowance needed to adjust computed fair values for credit quality of certain originated and PNCI loans in the portfolio.

PCI Loans—PCI loans are measured at estimated fair value on the date of acquisition. Carrying value is calculated as the present value of expected cash flows and approximates fair value.

FDIC Indemnification Asset—The fair value of the FDIC indemnification asset is based on the discounted value of expected future cash flows under the loss-share agreement.

Deposit Liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. These values do not consider the estimated fair value of the Company’s core deposit intangible, which is a significant unrecognized asset of the Company. The fair value of time deposits and other borrowings is based on the discounted value of contractual cash flows.

Other Borrowings - The fair value of other borrowings is calculated based on the discounted value of the contractual cash flows using current rates at which such borrowings can currently be obtained.

Junior Subordinated Debentures—The fair value of junior subordinated debentures is estimated using a discounted cash flow model. The future cash flows of these instruments are extended to the next available redemption date or maturity date as appropriate based upon the spreads of recent issuances or quotes from brokers for comparable bank holding companies compared to the contractual spread of each junior subordinated debenture measured at fair value.

Commitments to Extend Credit and Standby Letters of Credit—The fair value of commitments is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present credit worthiness of the counter parties. For fixed rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligation with the counter parties at the reporting date.

Fair values for financial instruments are management’s estimates of the values at which the instruments could be exchanged in a transaction between willing parties. These estimates are subjective and may vary significantly from amounts that would be realized in actual transactions. In addition, other significant assets are not considered financial assets including, any mortgage banking operations, deferred tax assets, and premises and equipment. Further, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on the fair value estimates and have not been considered in any of these estimates.

The estimated fair values of financial instruments that are reported at amortized cost in the Corporation’s consolidated balance sheets, segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value, were as follows (in thousands):

	March 31, 2013				December 31, 2012
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
Level 1 inputs:
Cash and due from banks	$	70,023	$	70,023	$	81,086	$	81,086
Cash at Federal Reserve and other banks		732,248		732,248		667,813		667,813
Level 2 inputs:
Restricted equity securities		9,647		9,647		9,647		9,647
Loans held for sale		7,931		7,931		12,053		12,053
Accrued interest receivable		7,201		7,201		6,636		6,636
Level 3 inputs:
Loans, net		1,492,495		1,572,687		1,522,175		1,607,044
Indemnification asset		1,807		1,807		1,997		1,997
Financial liabilities:
Level 2 inputs:
Deposits		2,285,550		2,287,439		2,289,702		2,291,841
Accrued interest payable		975		975		1,036		1,036
Other borrowings		8,125		8,125		9,197		9,197
Junior subordinated debt		41,238		28,454		41,238		28,042
	Contract Amount		Fair Value		Contract Amount		Fair Value
Off-balance sheet:
Level 3 inputs:
Commitments	$	559,162	$	5,592	$	557,254	$	5,573
Standby letters of credit		2,004		20		2,905		29
Overdraft privilege commitments		71,288		713		69,675		697

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Summary of Quarterly Results of Operations (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Summary of Quarterly Results of Operations [Abstract]

Results of operations

	2013 Quarters Ended
	December 31,	September 30,	June 30,	March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis				$	167
Discount accretion PCI – other					597
Discount accretion PNCI					766
Regular interest Purchased loans					3,074
All other loan interest income					19,468
Total loan interest income					24,072
Debt securities, dividends and interest bearing cash at Banks (not FTE)					1,734
Total interest income					25,806
Interest expense					1,237
Net interest income					24,569
Reversal of provision for loan losses					(1,108	)
Net interest income after provision for loan losses					25,677
Noninterest income					10,218
Noninterest expense					21,601
Income before income taxes					14,294
Income tax expense					5,817
Net income				$	8,477
Per common share:
Net income (diluted)				$	0.53
Dividends				$	0.09

	2012 Quarters Ended
	December 31,		September 30,		June 30,		March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis	$	42	$	24	$	108	$	18
Discount accretion PCI – other		979		1,192		886		776
Discount accretion PNCI		841		591		1,391		1,286
Regular interest Purchased loans		3,226		3,251		3,439		3,420
All other loan interest income		19,157		20,472		19,968		19,429
Total loan interest income		24,245		25,530		25,792		24,929
Debt securities, dividends and interest bearing cash at Banks (not FTE)		1,898		1,935		2,152		2,235
Total interest income		26,143		27,465		27,944		27,164
Interest expense		1,372		1,834		2,010		2,128
Net interest income		24,771		25,631		25,934		25,036
Provision for loan losses		1,524		532		3,371		3,996
Net interest income after provision for loan losses		23,247		25,099		22,563		21,040
Noninterest income		10,011		9,127		10,577		8,265
Noninterest expense		25,126		25,590		24,367		22,915
Income before income taxes		8,132		8,636		8,773		6,390
Income tax expense		3,410		3,616		3,452		2,459
Net income	$	4,722	$	5,020	$	5,321	$	3,931
Per common share:
Net income (diluted)	$	0.29	$	0.31	$	0.33	$	0.25
Dividends	$	0.09	$	0.09	$	0.09	$	0.09

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Reserve for Unfunded Commitments

3 Months Ended

Mar. 31, 2013

Reserve for Unfunded Commitments [Abstract]

Reserve for Unfunded Commitments

Note 14 – Reserve for Unfunded Commitments

The following tables summarize the activity in reserve for unfunded commitments for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Balance at beginning of period	$	3,615		$	2,740
Provision for losses – unfunded commitments		(440	)		(190	)
Balance at end of period	$	3,175		$	2,550

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TriCo Bancshares Condensed Financial Statements (Parent Only)

3 Months Ended

Mar. 31, 2013

TriCo Bancshares Condensed Financial Statements (Parent Only) [Abstract]

TriCo Bancshares Condensed Financial Statements (Parent Only)

Note 28—TriCo Bancshares Condensed Financial Statements (Parent Only)

Condensed Balance Sheets	March 31, 2013			December 31, 2012
	(In thousands)
Assets
Cash and Cash equivalents	$	2,497		$	2,511
Investment in Tri Counties Bank		273,794			267,118
Other assets		1,238			1,238
Total assets	$	277,529		$	270,867
Liabilities and shareholders’ equity
Other liabilities	$	261		$	270
Junior subordinated debt		41,238			41,238
Total liabilities		41,499			41,508
Shareholders’ equity:
Common stock, no par value: authorized 50,000,000 shares; issued and outstanding 16,005,191 and 16,000,838 shares, respectively		85,995			85,561
Retained earnings		148,497			141,639
Accumulated other comprehensive loss, net		1,538			2,159
Total shareholders’ equity		236,030			229,359
Total liabilities and shareholders’ equity	$	277,529		$	270,867
Condensed Statements of Income	Three months ended March 31,
	2013			2012
	(In thousands)
Interest expense	$	311		$	338
Administration expense		145			131
Loss before equity in net income of Tri Counties Bank		(456	)		(469	)
Equity in net income of Tri Counties Bank:
Distributed		1,700			1,625
Under distributed		7,041			2,583
Income tax benefit		192			192
Net income	$	8,477		$	3,931
Condensed Statements of Comprehensive Income	Three months ended March 31,
	2013			2012
	(In thousands)
Net income	$	8,477		$	3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period		(621	)		(153	)
Other comprehensive loss		(621	)		(153	)
Comprehensive income	$	7,856		$	3,778
Condensed Statements of Cash Flows	Three months ended March 31,
	2013			2012
	(In thousands)
Operating activities:
Net income	$	8,477		$	3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Under distributed equity in earnings of Tri Counties Bank		(7,041	)		(2,583	)
Stock option vesting expense		236			257
Stock option excess tax benefits		(20	)		—
Net change in other assets and liabilities		(245	)		(246	)
Net cash provided by operating activities		1,407			1,359
Investing activities: None
Financing activities:
Stock option excess tax benefits		20			—
Cash dividends paid — common		(1,441	)		(1,438	)
Net cash used for financing activities		(1,421	)		(1,438	)
Net change in cash and cash equivalents		(14	)		(79	)
Cash and cash equivalents at beginning of year		2,511			706
Cash and cash equivalents at end of year	$	2,497		$	627

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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Future minimum commitments under non-cancelable operating leases with initial or remaining terms of one year or more
2013	$ 2,772
2014	2,417
2015	1,536
2016	954
2017	617
Thereafter	1,312
Future minimum lease payments	$ 9,608

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and Cash equivalents	$ 802,271	$ 748,899	$ 681,760	$ 637,275
Other assets	38,484	38,607
Total assets	2,612,433	2,609,269
Liabilities and shareholders' equity
Other liabilities	37,340	35,122
Junior subordinated debt	41,238	41,238
Total liabilities	2,376,403	2,379,910
Shareholders' equity:
Common stock, no par value: authorized 50,000,000 shares; issued and outstanding 16,005,191 and 16,000,838 shares, respectively	85,995	85,561
Retained earnings	148,497	141,639
Accumulated other comprehensive loss, net	1,538	2,159
Total shareholders' equity	236,030	229,359	219,038	216,441
Total liabilities and shareholders' equity	2,612,433	2,609,269
Parent [Member]
Assets
Cash and Cash equivalents	2,497	2,511	627	706
Investment in Tri Counties Bank	273,794	267,118
Other assets	1,238	1,238
Total assets	277,529	270,867
Liabilities and shareholders' equity
Other liabilities	261	270
Junior subordinated debt	41,238	41,238
Total liabilities	41,499	41,508
Shareholders' equity:
Common stock, no par value: authorized 50,000,000 shares; issued and outstanding 16,005,191 and 16,000,838 shares, respectively	85,995	85,561
Retained earnings	148,497	141,639
Accumulated other comprehensive loss, net	1,538	2,159
Total shareholders' equity	236,030	229,359
Total liabilities and shareholders' equity	$ 277,529	$ 270,867

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Other Borrowings

3 Months Ended

Mar. 31, 2013

Other Borrowings [Abstract]

Other Borrowings

Note 16—Other Borrowings

A summary of the balances of other borrowings follows:

(In thousands)	March 31, 2013		December 31, 2012
Other collateralized borrowings, fixed rate, as of
March 31, 2013 of 0.05% payable on April 1, 2013	$	8,125	$	9,197
Total other borrowings	$	8,125	$	9,197

The Company had $8,125,000 and $9,197,000 of other collateralized borrowings at March 31, 2013 and December 31, 2012, respectively. Other collateralized borrowings are generally overnight maturity borrowings from non-financial institutions that are collateralized by securities owned by the Company. As of March 31, 2013, the Company has pledged as collateral and sold under agreements to repurchase investment securities with fair value of $8,125,000 under these other collateralized borrowings.

The Company maintains a collateralized line of credit with the Federal Home Loan Bank of San Francisco. Based on the FHLB stock requirements at March 31, 2013, this line provided for maximum borrowings of $511,625,000 of which none was outstanding, leaving $511,625,000 available. As of March 31, 2013, the Company has designated loans totaling $1,006,023,000 as potential collateral under this collateralized line of credit with the FHLB.

The Company maintains a collateralized line of credit with the Federal Reserve Bank of San Francisco. As of March 31, 2013, this line provided for maximum borrowings of $80,091,000 of which none was outstanding, leaving $80,091,000 available. As of March 31, 2013, the Company has designated investment securities with fair value of $54,000 and loans totaling $102,267,000 as potential collateral under this collateralized line of credit with the FRB.

The Company has available unused correspondent banking lines of credit from commercial banks totaling $5,000,000 for federal funds transactions at March 31, 2013.

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Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Securities Available-for-Sale
Amortized Cost	$ 137,093	$ 154,593
Gross Unrealized Gains	7,361	8,434
Gross Unrealized Losses
Estimated Fair Value	144,454	163,027
Obligations of U.S. government corporations and agencies [Member]
Securities Available-for-Sale
Amortized Cost	126,912	143,633
Gross Unrealized Gains	7,052	8,068
Gross Unrealized Losses
Estimated Fair Value	133,964	151,701
Obligations of states and political subdivisions [Member]
Securities Available-for-Sale
Amortized Cost	8,315	9,098
Gross Unrealized Gains	263	323
Gross Unrealized Losses
Estimated Fair Value	8,578	9,421
Corporate debt securities [Member]
Securities Available-for-Sale
Amortized Cost	1,866	1,862
Gross Unrealized Gains	46	43
Gross Unrealized Losses
Estimated Fair Value	$ 1,912	$ 1,905

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Income Taxes (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Reconciliation of effective tax rate and statutory federal income tax rate
Federal statutory income tax rate	35.00%	35.00%
State income taxes, net of federal tax benefit	6.80%	6.30%
Tax-exempt interest on municipal obligations	(0.20%)	(0.60%)
Increase in cash value of insurance policies	(1.00%)	(2.50%)
Other	0.10%	0.30%
Effective Tax Rate	40.70%	38.50%

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Condensed Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Dividends paid, per share	$ 0.09	$ 0.09
Retained Earnings
Dividends paid, per share	$ 0.09	$ 0.09

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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Aug. 21, 2007
Condensed Consolidated Balance Sheets [Abstract]
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	16,005,191	16,000,838
Common stock, shares outstanding	16,005,191	16,000,838	15,814,662

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Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2013

Goodwill and Other Intangible Assets [Abstract]

Goodwill and Other Intangible Assets

Note 9—Goodwill and Other Intangible Assets

The following table summarizes the Company’s goodwill intangible as of the dates indicated.

(In thousands)	March 31, 2013		Additions		Reductions		December 31, 2012
Goodwill	$	15,519		—		—	$	15,519

The following table summarizes the Company’s core deposit intangibles as of the dates indicated.

(In thousands)	March 31, 2013			Additions		Reductions			December 31, 2012
Core deposit intangibles	$	1,460			—		—		$	1,460
Accumulated amortization		(420	)		—	$	(52	)		(368	)
Core deposit intangibles, net	$	1,040			—	$	(52	)	$	1,092

The Company recorded additions to core deposit intangibles of $898,000 and $562,000 in conjunction with the Citizens and Granite acquisition on September 23, 2011 and May 28, 2010, respectively. The following table summarizes the Company’s estimated core deposit intangible amortization (in thousands):

Years Ended	Estimated Core Deposit Intangible Amortization
2013	$	209
2014		209
2015		209
2016		209
2017		209
2018	$	47

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Stock Options and Other Equity-Based Incentive Instruments (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Summary of options outstanding
Number of options	1,381,435
Weighted average exercise price	$ 17.13
Intrinsic value (in thousands)	$ 1,947
Weighted average remaining contractual term (yrs.)	4 years 10 months 24 days
Currently Exercisable [Member]
Summary of options outstanding
Number of options	1,047,546
Weighted average exercise price	$ 17.65
Intrinsic value (in thousands)	1,379
Weighted average remaining contractual term (yrs.)	3 years 8 months 12 days
Currently Not Exercisable [Member]
Summary of options outstanding
Number of options	333,889
Weighted average exercise price	$ 15.49
Intrinsic value (in thousands)	$ 568
Weighted average remaining contractual term (yrs.)	8 years 6 months

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Reserve for Unfunded Commitments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summary of the activity in reserve for unfunded commitments
Balance at beginning of period	$ 3,615	$ 2,740
Provision for losses - unfunded commitments	(440)	(190)
Balance at end of period	$ 3,175	$ 2,550

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Deposits (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of the balances of deposits
Noninterest-bearing demand	$ 639,420	$ 684,833
Interest-bearing demand	531,695	503,465
Savings	786,352	762,924
Time certificates, $100,000 and over	175,288	180,195
Other time certificates	152,795	158,285
Total deposits	$ 2,285,550	$ 2,289,702

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Fair Value Measurement (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Fair Value Measurement (Textual) [Abstract]
Transfers between any levels	$ 0	$ 0
Carrying value of loans fully charged-off	$ 0

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Fair Value Measurement (Details 3) (Fair value nonrecurring basis [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	$ 24,341	$ 21,790
Gain loss on fair value assets valuation	(1,975)	(417)
Impaired originated & PNCI loans [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	23,989	21,110
Gain loss on fair value assets valuation	(1,948)	(334)
Foreclosed assets [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	352	680
Gain loss on fair value assets valuation	(27)	(83)
Level 1 [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 1 [Member] | Impaired originated & PNCI loans [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 1 [Member] | Foreclosed assets [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 2 [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 2 [Member] | Impaired originated & PNCI loans [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 2 [Member] | Foreclosed assets [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value
Level 3 [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	24,341	21,790
Level 3 [Member] | Impaired originated & PNCI loans [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	23,989	21,110
Level 3 [Member] | Foreclosed assets [Member]
Assets and liabilities measured at fair value on a nonrecurring basis
Total assets measured at fair value	$ 352	$ 680

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 03, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	TRICO BANCSHARES /
Entity Central Index Key	0000356171
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		16,017,127

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Condensed Statements of Comprehensive Income
Net income	$ 8,477	$ 4,722	$ 5,020	$ 5,321	$ 3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period	(621)				(153)
Other comprehensive loss	(621)				(153)
Comprehensive income	7,856				3,778
Parent [Member]
Condensed Statements of Comprehensive Income
Net income	8,477				3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period	(621)				(153)
Other comprehensive loss	(621)				(153)
Comprehensive income	$ 7,856				$ 3,778

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Mortgage Servicing Rights

3 Months Ended

Mar. 31, 2013

Mortgage Servicing Rights [Abstract]

Mortgage Servicing Rights

Note 10—Mortgage Servicing Rights

The following tables summarize the activity in, and the main assumptions we used to determine the fair value of mortgage servicing rights for the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Mortgage servicing rights:
Balance at beginning of period	$	4,552		$	4,603
Additions		493			550
Change in fair value		(61	)		(369	)
Balance at end of period	$	4,984		$	4,784
Servicing, late and ancillary fees received	$	417		$	372
Balance of loans serviced at:
Beginning of period	$	666,512		$	598,185
End of period	$	680,447		$	615,867
Weighted-average prepayment speed (CPR)		17.3	%		18.4	%
Discount rate		10.0	%		9.0	%

The changes in fair value of MSRs that occurred during the three months ended March 31, 2013 and 2012 were mainly due to changes in principal balances and changes in the estimated life of the MSRs.

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Premises and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of premises and equipment
Land & land improvements	$ 5,905	$ 5,929
Buildings	23,104	23,090
Furniture and equipment	25,778	25,877
Premises and equipment, gross	54,787	54,896
Less: Accumulated depreciation	(32,712)	(32,101)
Premises and equipment less depreciation, gross	22,075	22,795
Construction in progress	7,393	4,190
Total premises and equipment	$ 29,468	$ 26,985

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Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of other assets
Deferred tax asset, net	$ 28,098	$ 28,935
Prepaid expense including FDIC assessment and taxes	4,507	3,455
Software	1,434	1,550
Life insurance proceeds receivable		706
Advanced compensation	1,408	1,440
TriCo Capital Trust I & II	1,238	1,238
Miscellaneous other assets	1,799	1,283
Total other assets	$ 38,484	$ 38,607

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Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest and dividend income:
Loans, including fees	$ 24,072	$ 24,929
Debt securities:
Taxable	1,131	1,746
Tax exempt	101	108
Dividends	56	13
Interest bearing cash at Federal Reserve and other banks	446	368
Total interest and dividend income	25,806	27,164
Interest expense:
Deposits	925	1,184
Other borrowings	1	606
Junior subordinated debt	311	338
Total interest expense	1,237	2,128
Net interest income	24,569	25,036
(Benefit from) provision for loan losses	(1,108)	3,996
Net interest income after provision for loan losses	25,677	21,040
Noninterest income:
Service charges and fees	5,929	5,952
Gain on sale of loans	2,294	1,650
Commissions on sale of non-deposit investment products	761	819
Increase in cash value of life insurance	426	450
Change in indemnification asset	(101)	(353)
Gain (loss) on sale of foreclosed assets	551	(358)
Other	358	105
Total noninterest income	10,218	8,265
Noninterest expense:
Salaries and related benefits	12,961	12,762
Other	8,640	10,153
Total noninterest expense	21,601	22,915
Income before income taxes	14,294	6,390
Provision for income taxes	5,817	2,459
Net income	$ 8,477	$ 3,931
Earnings per share:
Basic	$ 0.53	$ 0.25
Diluted	$ 0.53	$ 0.25

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Loans

3 Months Ended

Mar. 31, 2013

Loans [Abstract]

Loans

Note 4—Loans

A summary of loan balances follows (in thousands):

	March 31, 2013
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	125,875		$	5,075			—		$	5,010		$	135,960
Commercial		772,296			69,982			—			32,011			874,289
Total mortgage loan on real estate		898,171			75,057			—			37,021			1,010,249
Consumer:
Home equity lines of credit		303,638			16,341			7,413			5,652			333,044
Home equity loans		12,533			347			48			155			13,083
Auto Indirect		2,821			—			—			—			2,821
Other		24,826			2,264			—			25			27,115
Total consumer loans		343,818			18,952			7,461			5,832			376,063
Commercial		106,275			779			36			8,393			115,483
Construction:
Residential		14,498			—			—			5,023			19,521
Commercial		9,909			—			—			1,137			11,046
Total construction		24,407			—			—			6,160			30,567
Total loans, net of deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Total principal balance of loans owed, net of charge-offs	$	1,375,615		$	107,268		$	18,783		$	71,426		$	1,573,092
Unamortized net deferred loan fees		(2,944	)		—			—			—			(2,944	)
Discounts to principal balance of loans owed, net of charge-offs		—			(12,480	)		(11,286	)		(14,020	)		(37,786	)
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Noncovered loans	$	1,372,671		$	94,788		$	7,497		$	17,614		$	1,492,570
Covered loans		—			—			—			39,792			39,792
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Allowance for loan losses	$	32,698		$	2,867		$	1,039		$	3,263		$	39,867

A summary of loan balances follows (in thousands):

	December 31, 2012
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	121,255		$	5,413			—		$	5,016		$	131,684
Commercial		775,124			72,090		$	1,289			29,943			878,446
Total mortgage loan on real estate		896,379			77,503			1,289			34,959			1,010,130
Consumer:
Home equity lines of credit		311,671			16,788			7,612			5,954			342,025
Home equity loans		13,011			342			49			155			13,557
Auto Indirect		3,816			—			—			—			3,816
Other		24,263			2,418			—			32			26,713
Total consumer loans		352,761			19,548			7,661			6,141			386,111
Commercial		125,122			869			22			9,515			135,528
Construction:
Residential		11,877			—			—			6,582			18,459
Commercial		11,196			—			—			3,399			14,595
Total construction		23,073			—			—			9,981			33,054
Total loans, net of deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Total principal balance of loans owed, net of charge-offs	$	1,400,147		$	111,286		$	20,621		$	75,277		$	1,607,331
Unamortized net deferred loan fees		(2,812	)		—			—			—			(2,812	)
Discounts to principal balance of loans owed, net of charge-offs		—			(13,366	)		(11,649	)		(14,681	)		(39,696	)
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Noncovered loans	$	1,397,335		$	97,920		$	8,972		$	18,708		$	1,522,935
Covered loans		—			—			—			41,888			41,888
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Allowance for loan losses	$	(35,769	)	$	(1,969	)	$	(1,054	)	$	(3,856	)	$	(42,648	)

The following is a summary of the change in accretable yield for PCI – other loans during the periods indicated (in thousands):

	Three months ended March 31,
	2013			2012
Change in accretable yield:
Balance at beginning of period	$	22,337		$	25,145
Accretion to interest income		(1,623	)		(1,959	)
Reclassification (to) from nonaccretable difference		(23	)		1,429
Balance at end of period	$	20,691		$	24,615

Throughout these consolidated financial statements, and in particular in this Note 4 and Note 5, when we refer to “Loans” or “Allowance for loan losses” we mean all categories of loans, including Originated, PNCI, PCI – cash basis, and PCI—other. When we are not referring to all categories of loans, we will indicate which we are referring to – Originated, PNCI, PCI – cash basis, or PCI—other.

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Investment Securities

3 Months Ended

Mar. 31, 2013

Investment Securities [Abstract]

Investment Securities

Note 3—Investment Securities

The amortized cost and estimated fair values of investments in debt and equity securities are summarized in the following tables:

	March 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	126,912	$	7,052		—	$	133,964
Obligations of states and political subdivisions		8,315		263		—		8,578
Corporate debt securities		1,866		46		—		1,912
Total securities available-for-sale	$	137,093	$	7,361		—	$	144,454
	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Securities Available-for-Sale	(in thousands)
Obligations of U.S. government corporations and agencies	$	143,633	$	8,068		—	$	151,701
Obligations of states and political subdivisions		9,098		323		—		9,421
Corporate debt securities		1,862		43		—		1,905
Total securities available-for-sale	$	154,593	$	8,434		—	$	163,027

No investment securities were sold during the three months ended March 31, 2013 or the year ended December 31, 2012. Investment securities with an aggregate carrying value of $67,078,000 and $66,911,000 at March 31, 2013 and December 31, 2012, respectively, were pledged as collateral for specific borrowings, lines of credit and local agency deposits.

The amortized cost and estimated fair value of debt securities at March 31, 2013 by contractual maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. At March 31, 2013, obligations of U.S. government corporations and agencies with a cost basis totaling $126,912,000 consist almost entirely of mortgage-backed securities whose contractual maturity, or principal repayment, will follow the repayment of the underlying mortgages. For purposes of the following table, the entire outstanding balance of these mortgage-backed securities issued by U.S. government corporations and agencies is categorized based on final maturity date. At March 31, 2013, the Company estimates the average remaining life of these mortgage-backed securities issued by U.S. government corporations and agencies to be approximately 3.5 years. Average remaining life is defined as the time span after which the principal balance has been reduced by half.

	Amortized Cost		Estimated Fair Value
Investment Securities	(in thousands)
Due in one year	$	2,692	$	2,766
Due after one year through five years		4,637		4,872
Due after five years through ten years		43,900		45,569
Due after ten years		85,864		91,247
Totals	$	137,093	$	144,454

At March 31, 2013 and December 31, 2012, the Company had no investment securities with gross unrealized losses.

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Other Liabilities

3 Months Ended

Mar. 31, 2013

Other Liabilities [Abstract]

Other Liabilities

Note 15 – Other Liabilities

Other liabilities were comprised of (in thousands):

	March 31, 2013		December 31, 2012
Deferred compensation	$	7,894	$	7,738
Supplemental retirement		16,694		16,345
Joint beneficiary agreements		2,805		2,736
Accrued legal settlement		2,090		2,090
Miscellaneous other liabilities		7,857		6,213
Total other liabilities	$	37,340	$	35,122

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Indemnification Asset

3 Months Ended

Mar. 31, 2013

Indemnification Asset [Abstract]

Indemnification Asset

Note 11—Indemnification Asset

A summary of the activity in the balance of indemnification asset follows (in thousands):

	Three months ended March 31,
	2013			2012
Beginning balance	$	1,997		$	4,405
Effect of actual covered losses and change in estimated future covered losses		(35	)		(418	)
Reimbursable (revenue) expenses, net		(39	)		58
Payments received		(116	)		(640	)
Ending balance	$	1,807		$	3,405

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Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Summary of goodwill intangible
Goodwill, Beginning Balance	$ 15,519
Goodwill, Additions
Goodwill, Reductions
Goodwill, Ending Balance	$ 15,519

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Premises and Equipment

3 Months Ended

Mar. 31, 2013

Premises and Equipment [Abstract]

Premises and Equipment

Note 7—Premises and Equipment

Premises and equipment were comprised of:

	March 31, 2013			December 31, 2012
	(In thousands)
Land & land improvements	$	5,905		$	5,929
Buildings		23,104			23,090
Furniture and equipment		25,778			25,877
		54,787			54,896
Less: Accumulated depreciation		(32,712	)		(32,101	)
		22,075			22,795
Construction in progress		7,393			4,190
Total premises and equipment	$	29,468		$	26,985

Depreciation expense for premises and equipment amounted to $741,000 and $782,000 for the three months ended March 31, 2013 and 2012, respectively.

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Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2013

Retirement Plans [Abstract]

Net periodic benefit cost recognized for the plans

	Three months ended March 31,
	2013		2012
	(In thousands)
Net pension cost included the following components:
Service cost-benefits earned during the period	$	185	$	170
Interest cost on projected benefit obligation		160		172
Amortization of net obligation at transition		—		—
Amortization of prior service cost		38		38
Recognized net actuarial loss		72		72
Net periodic pension cost	$	455	$	452

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Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Components of other comprehensive income and related tax effects
Decrease in unrealized gains on available-for-sale securities arising during the period	$ (1,073)	$ (265)
Tax effect	452	112
Other comprehensive income	$ (621)	$ (153)

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Allowance for Loan Losses

3 Months Ended

Mar. 31, 2013

Allowance for Loan Losses [Abstract]

Allowance for Loan Losses

Note 5—Allowance for Loan Losses

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses – As of and three months ended March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Charge-offs		(7	)		(803	)		(766	)		(26	)		(25	)		(273	)		(790	)		(20	)		(61	)		(2,771	)
Recoveries		—			353			290			9			85			224			70			61			6			1,098
(Benefit) provision		(173	)		1,078			(1,568	)		(1	)		(155	)		(84	)		252			(105	)		(352	)		(1,108	)
Ending balance	$	3,343		$	9,410		$	19,323		$	1,137		$	148		$	563		$	4,235		$	1,336		$	372		$	39,867
Ending balance:
Individ. evaluated for impairment	$	479		$	1,804		$	1,613		$	50		$	7		$	8		$	823		$	219		$	42		$	5,045
Loans pooled for evaluation	$	2,498		$	7,326		$	16,496		$	1,006		$	141		$	555		$	1,935		$	438		$	125		$	30,520
Loans acquired with deteriorated credit quality	$	366		$	280		$	1,214		$	81			—			—		$	1,477		$	679		$	205		$	4,302
	Loans, net of unearned fees – As of March 31, 2013
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	135,960		$	874,289		$	333,044		$	13,083		$	2,821		$	27,115		$	115,483		$	19,521		$	11,046		$	1,532,362
Individ. evaluated for impairment	$	6,238		$	64,812		$	8,721		$	576		$	176		$	97		$	5,867		$	3,410		$	343		$	90,240
Loans pooled for evaluation	$	124,712		$	777,466		$	311,258		$	12,304		$	2,645		$	26,993		$	101,187		$	11,088		$	9,566		$	1,377,219
Loans acquired with deteriorated credit quality	$	5,010		$	32,011		$	13,065		$	203			—		$	25		$	8,429		$	5,023		$	1,137		$	64,903
	Allowance for Loan Losses – As of and year ended December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425		$	45,914
Charge-offs		(1,558	)		(3,457	)		(8,042	)		(385	)		(83	)		(1,202	)		(1,251	)		(406	)		(100	)		(16,484	)
Recoveries		147			1,020			398			100			215			860			643			412			—			3,795
(Benefit) provision		2,530			(1,998	)		10,753			339			(104	)		106			(1,234	)		(423	)		(546	)		9,423
Ending balance	$	3,523		$	8,782		$	21,367		$	1,155		$	243		$	696		$	4,703		$	1,400		$	779		$	42,648
Ending balance:
Individ. evaluated for impairment	$	631		$	515		$	2,264		$	81		$	5		$	47		$	840		$	11		$	111		$	4,505
Loans pooled for evaluation	$	2,526		$	8,026		$	17,862		$	995		$	238		$	649		$	2,342		$	430		$	165		$	33,233
Loans acquired with deteriorated credit quality	$	366		$	241		$	1,241		$	79			—			—		$	1,521		$	959		$	503		$	4,910
	Loans, net of unearned fees – As of December 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	131,684		$	878,446		$	342,025		$	13,557		$	3,816		$	26,713		$	135,528		$	18,459		$	14,595		$	1,564,823
Individ. evaluated for impairment	$	6,586		$	71,077		$	10,056		$	528		$	197		$	121		$	8,562		$	3,596		$	607		$	101,330
Loans pooled for evaluation	$	120,082		$	776,137		$	318,403		$	12,825		$	3,619		$	26,560		$	117,429		$	8,281		$	10,589		$	1,393,925
Loans acquired with deteriorated credit quality	$	5,016		$	31,232		$	13,566		$	204			—		$	32		$	9,537		$	6,582		$	3,399		$	69,568

	Allowance for Loan Losses – As of and three months ended March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Beginning balance	$	2,404		$	13,217		$	18,258		$	1,101		$	215		$	932		$	6,545		$	1,817		$	1,425	$	45,914
Charge-offs		(223	)		(1,305	)		(2,625	)		(41	)		(40	)		(339	)		(281	)		(68	)		—		(4,922	)
Recoveries		-			36			63			3			57			255			50			—			—		464
Provision (benefit)		976			(1,967	)		6,336			204			343			(248	)		(1,764	)		(77	)		193		3,996
Ending balance	$	3,157		$	9,981		$	22,032		$	1,267		$	575		$	600		$	4,550		$	1,672		$	1,618	$	45,452
Ending balance:
Individ. evaluated for impairment	$	582		$	1,041		$	1,578		$	59		$	14		$	17		$	357		$	80		$	1,048	$	4,776
Loans pooled for evaluation	$	2,463		$	8,939		$	18,949		$	1,096		$	560		$	584		$	2,563		$	625		$	110	$	35,889
Loans acquired with deteriorated credit quality	$	113			—		$	1,505		$	111			—			—		$	1,630		$	967		$	461	$	4,787
	Loans, net of unearned fees – As of March 31, 2012
	RE Mortgage						Home Equity						Auto			Other						Construction
(In thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.		Total
Ending balance:
Total loans	$	130,500		$	816,859		$	350,062		$	14,559		$	8,397		$	23,671		$	128,343		$	22,364		$	16,330	$	1,511,085
Individ. evaluated for impairment	$	10,490		$	69,817		$	8,777		$	549		$	404		$	177		$	9,286		$	5,606		$	7,114	$	112,220
Loans pooled for evaluation	$	113,808		$	714,579		$	327,018		$	13,805		$	7,993		$	23,446		$	106,689		$	7,569		$	5,552	$	1,320,459
Loans acquired with deteriorated credit quality	$	6,202		$	32,463		$	14,267		$	205			—		$	48		$	12,368		$	9,189		$	3,664	$	78,406

As part of the on-going monitoring of the credit quality of the Company’s loan portfolio, management tracks certain credit quality indicators including, but not limited to, trends relating to (i) the level of criticized and classified loans, (ii) net charge-offs, (iii) non-performing loans, and (iv) delinquency within the portfolio.

The Company utilizes a risk grading system to assign a risk grade to each of its loans. Loans are graded on a scale ranging from Pass to Loss. A description of the general characteristics of the risk grades is as follows:

• Pass – This grade represents loans ranging from acceptable to very little or no credit risk. These loans typically meet most if not all policy standards in regard to: loan amount as a percentage of collateral value, debt service coverage, profitability, leverage, and working capital.

• Special Mention – This grade represents “Other Assets Especially Mentioned” in accordance with regulatory guidelines and includes loans that display some potential weaknesses which, if left unaddressed, may result in deterioration of the repayment prospects for the asset or may inadequately protect the Company’s position in the future. These loans warrant more than normal supervision and attention.

• Substandard – This grade represents “Substandard” loans in accordance with regulatory guidelines. Loans within this rating typically exhibit weaknesses that are well defined to the point that repayment is jeopardized. Loss potential is, however, not necessarily evident. The underlying collateral supporting the credit appears to have sufficient value to protect the Company from loss of principal and accrued interest, or the loan has been written down to the point where this is true. There is a definite need for a well defined workout/rehabilitation program.

• Doubtful – This grade represents “Doubtful” loans in accordance with regulatory guidelines. An asset classified as Doubtful has all the weaknesses inherent in a loan classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. Pending factors include proposed merger, acquisition, or liquidation procedures, capital injection, perfecting liens on additional collateral, and financing plans.

• Loss – This grade represents “Loss” loans in accordance with regulatory guidelines. A loan classified as Loss is considered uncollectible and of such little value that its continuance as a bankable asset is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off the loan, even though some recovery may be affected in the future. The portion of the loan that is graded loss should be charged off no later than the end of the quarter in which the loss is identified.

The following tables present ending loan balances by loan category and risk grade as of the dates indicated:

	Credit Quality Indicators – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	116,293		686,714	$	288,765	$	11,508	$	2,185	$	24,007	$	96,302	$	10,487	$	9,200	$	1,245,461
Special mention		1,920		21,690		4,450		295		367		693		4,461		385		401		34,662
Substandard		7,662		63,892		10,423		730		269		126		5,512		3,626		308		92,548
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
PNCI loans:
Pass	$	4,532	$	62,804	$	15,292	$	347		—	$	2,162	$	760		—		—	$	85,897
Special mention		—		3,711		282		—		—		61		19		—		—		4,073
Substandard		543		3,467		767		—		—		41		—		—		—		4,818
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
PCI loans	$	5,010	$	32,011	$	13,065	$	203		—	$	25	$	8,429	$	5,023	$	1,137	$	64,903
Total loans	$	135,960	$	874,289	$	333,044	$	13,083	$	2,821	$	27,115	$	115,483	$	19,521	$	11,046	$	1,532,362
	Credit Quality Indicators – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Originated loans:
Pass	$	108,946	$	686,593	$	291,701	$	11,892	$	2,949	$	23,154	$	113,595	$	7,744	$	10,221	$	1,256,795
Special mention		3,122		21,184		6,955		555		531		958		3,224		285		356		37,170
Substandard		9,187		67,347		13,015		564		336		151		8,303		3,848		619		103,370
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
PNCI loans:
Pass	$	4,968	$	64,917	$	15,915	$	342		—	$	2,240	$	848		—		—	$	89,230
Special mention		—		5,249		193		—		—		104		21		—		—		5,567
Substandard		436		1,924		680		—		—		74		—		—		—		3,114
Loss		9		—		—		—		—		—		—		—		—		9
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
PCI loans	$	5,016	$	31,232	$	13,566	$	204		—	$	32	$	9,537	$	6,582	$	3,399	$	69,568
Total loans	$	131,684	$	878,446	$	342,025	$	13,557	$	3,816	$	26,713	$	135,528	$	18,459	$	14,595	$	1,564,823

Consumer loans, whether unsecured or secured by real estate, automobiles, or other personal property, are primarily susceptible to three primary risks; non-payment due to income loss, over-extension of credit and, when the borrower is unable to pay, shortfall in collateral value. Typically non-payment is due to loss of job and will follow general economic trends in the marketplace driven primarily by rises in the unemployment rate. Loss of collateral value can be due to market demand shifts, damage to collateral itself or a combination of the two.

Problem consumer loans are generally identified by payment history of the borrower (delinquency) or significant changes in the borrower’s credit rating. Current credit scores are obtained for all consumer loans on a quarterly basis, and risk ratings are adjusted appropriately. The Bank manages its consumer loan portfolios by monitoring delinquency and contacting borrowers to encourage repayment, suggest modifications if appropriate, and, when continued scheduled payments become unrealistic, initiate repossession or foreclosure through appropriate channels. Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations are obtained at initiation of the credit and periodically (every 3-12 months depending on collateral type) once repayment is questionable and the loan has been classified.

Commercial real estate loans generally fall into two categories, owner-occupied and non-owner occupied. Loans secured by owner occupied real estate are primarily susceptible to changes in the business conditions of the related business. This may be driven by, among other things, industry changes, geographic business changes, changes in the individual fortunes of the business owner, and general economic conditions and changes in business cycles. These same risks apply to commercial loans whether secured by equipment or other personal property or unsecured. Losses on loans secured by owner occupied real estate, equipment, or other personal property generally are dictated by the value of underlying collateral at the time of default and liquidation of the collateral. When default is driven by issues related specifically to the business owner, collateral values tend to provide better repayment support and may result in little or no loss. Alternatively, when default is driven by more general economic conditions, underlying collateral generally has devalued more and results in larger losses due to default. Loans secured by non-owner occupied real estate are primarily susceptible to risks associated with swings in occupancy or vacancy and related shifts in lease rates, rental rates or room rates. Most often these shifts are a result of changes in general economic or market conditions or overbuilding and resultant over-supply. Losses are dependent on value of underlying collateral at the time of default. Values are generally driven by these same factors and influenced by interest rates and required rates of return as well as changes in occupancy costs.

Construction loans, whether owner occupied or non-owner occupied commercial real estate loans or residential development loans, are not only susceptible to the related risks described above but the added risks of construction itself including cost over-runs, mismanagement of the project, or lack of demand or market changes experienced at time of completion. Again, losses are primarily related to underlying collateral value and changes therein as described above.

Problem commercial loans are generally identified by periodic review of financial information which may include financial statements, tax returns, rent rolls and payment history of the borrower (delinquency). Based on this information the Bank may decide to take any of several courses of action including demand for repayment, additional collateral or guarantors, and, when repayment becomes unlikely through borrower’s income and cash flow, repossession or foreclosure of the underlying collateral.

Collateral values may be determined by appraisals obtained through Bank approved, licensed appraisers, qualified independent third parties, public value information (blue book values for autos), sales invoices, or other appropriate means. Appropriate valuations are obtained at initiation of the credit and periodically (every 3-12 months depending on collateral type) once repayment is questionable and the loan has been classified.

Once a loan becomes delinquent and repayment becomes questionable, a Bank collection officer will address collateral shortfalls with the borrower and attempt to obtain additional collateral. If this is not forthcoming and payment in full is unlikely, the Bank will estimate its probable loss, using a recent valuation as appropriate to the underlying collateral less estimated costs of sale, and charge the loan down to the estimated net realizable amount. Depending on the length of time until ultimate collection, the Bank may revalue the underlying collateral and take additional charge-offs as warranted. Revaluations may occur as often as every 3-12 months depending on the underlying collateral and volatility of values. Final charge-offs or recoveries are taken when collateral is liquidated and actual loss is known. Unpaid balances on loans after or during collection and liquidation may also be pursued through lawsuit and attachment of wages or judgment liens on borrower’s other assets.

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,305	$	2,326	$	2,635	$	109	$	28	$	50	$	333		—		—	$	6,786
60-89 Days		650		265		1,226		—		36		9		35		—		—		2,221
> 90 Days		732		7,852		2,072		217		94		2		2,616		31		75		13,691
Total past due		2,687		10,443		5,933		326		158		61		2,984		31		75		22,698
Current		123,188		761,853		297,705		12,207		2,663		24,765		103,291		14,467		9,834		1,349,973
Total Originated loans	$	125,875	$	772,296	$	303,638	$	12,533	$	2,821	$	24,826	$	106,275	$	14,498	$	9,909	$	1,372,671
> 90 Days and still accruing	$	190		—		—		—		—		—		—		—		—	$	190
Nonaccrual loans	$	4,459	$	34,853	$	7,027	$	515	$	166	$	27	$	4,131	$	3,125	$	270	$	54,573

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of March 31, 2013
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,709	$	526	$	857		—		—	$	1		—		—		—	$	3,093
60-89 Days		204		569		—		—		—		—		—		—		—		773
> 90 Days		43		—		—		—		—		—		—		—		—		43
Total past due		1,956		1,095		857		—		—		1		—		—		—		3,909
Current		3,119		68,887		15,484		347		—		2,263		779		—		—		90,879
Total PNCI loans	$	5,075	$	69,982	$	16,341	$	347		—	$	2,264	$	779		—		—	$	94,788
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	111	$	1,212	$	339		—		—	$	41		—		—		—	$	1,703

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer				Construction
Originated loan balance:	Resid.		Comm.		Lines		Loans						C&I		Resid.		Comm.		Total
Past due:
30-59 Days	$	1,702	$	2,695	$	3,371	$	67	$	77	$	67	$	1,848	$	309		—	$	10,136
60-89 Days		278		1,578		819		33		40		40		138		—		—		2,926
> 90 Days		674		13,829		3,395		217		79		14		4,782		42	$	94		23,126
Total past due		2,654		18,102		7,585		317		196		121		6,768		351		94		36,188
Current		118,601		757,022		304,086		12,694		3,620		24,142		118,354		11,526		11,102		1,361,147
Total Originated loans	$	121,255	$	775,124	$	311,671	$	13,011	$	3,816	$	24,263	$	125,122	$	11,877	$	11,196	$	1,397,335
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	4,781	$	37,220	$	8,486	$	465	$	174	$	49	$	6,750	$	3,312	$	532	$	61,769

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of December 31, 2012
(In thousands)	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
PNCI loan balance:	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Past due:
30-59 Days	$	1,024	$	500	$	124		—		—	$	31		—		—		—	$	1,679
60-89 Days		—		—		63		—		—		—		—		—		—		63
> 90 Days		43		148		157		—		—		—		—		—		—		348
Total past due		1,067		648		344		—		—		31		—		—		—		2,090
Current		4,346		71,442		16,444	$	342		—		2,387	$	869		—		—		95,830
Total PNCI loans	$	5,413	$	72,090	$	16,788	$	342		—	$	2,418	$	869		—		—	$	97,920
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	113	$	1,218	$	403		—		—	$	42		—		—		—	$	1,776

Impaired Originated and PNCI loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due under the contractual terms.

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired Originated Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	4,017	$	57,206	$	5,138	$	460	$	151	$	23	$	4,240	$	696	$	195	$	72,126
Unpaid principal	$	6,192	$	62,263	$	8,437	$	1,110	$	292	$	40	$	5,392	$	1,442	$	426	$	85,594
Average recorded Investment	$	3,769	$	61,619	$	4,690	$	411	$	157	$	21	$	4,239	$	2,125	$	240	$	77,271
Interest income Recognized	$	7	$	362	$	5		—	$	1		—	$	11		—		—	$	386
With an allowance recorded:
Recorded investment	$	2,025	$	5,816	$	3,244	$	116	$	25	$	4	$	1,626	$	2,713	$	149	$	15,718
Unpaid principal	$	2,252	$	6,095	$	4,086	$	166	$	32	$	4	$	1,680	$	6,680	$	181	$	21,176
Related allowance	$	447	$	1,296	$	1,576	$	50	$	7	$	4	$	823	$	219	$	42	$	4,464
Average recorded Investment	$	2,446	$	4,537	$	4,328	$	142	$	30	$	17	$	2,975	$	1,378	$	236	$	16,089
Interest income Recognized	$	15	$	47	$	16	$	1		—		—	$	19	$	5	$	1	$	104

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,271	$	302		—		—	$	41		—		—		—	$	1,614
Unpaid principal		—	$	3,300	$	343		—		—	$	46		—		—		—	$	3,689
Average recorded Investment		—	$	1,370	$	334		—		—	$	21		—		—		—	$	1,725
Interest income Recognized		—	$	4		—		—		—		—		—		—		—	$	4
With anallowance recorded:
Recorded investment	$	197	$	519	$	37		—		—	$	29		—		—		—	$	782
Unpaid principal	$	224	$	519	$	41		—		—	$	29		—		—		—	$	813
Related allowance	$	32	$	508	$	37		—		—	$	4		—		—		—	$	581
Average recorded Investment	$	198	$	420	$	38		—		—	$	51		—		—		—	$	707
Interest income Recognized	$	1	$	7		—		—		—	$	1		—		—		—	$	9
	Impaired Originated Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	3,520	$	66,031	$	4,241	$	361	$	163	$	19	$	4,238	$	3,554	$	284	$	82,411
Unpaid principal	$	5,349	$	70,709	$	6,691	$	781	$	311	$	40	$	4,613	$	8,227	$	484	$	97,205
Average recorded Investment	$	6,329	$	61,299	$	4,311	$	329	$	263	$	42	$	7,500	$	3,505	$	517	$	84,095
Interest income Recognized	$	71	$	2,513	$	58	$	1	$	3		—	$	73	$	20	$	10	$	2,749
With anallowance recorded:
Recorded investment	$	2,867	$	3,258	$	5,412	$	167	$	34	$	30	$	4,324	$	42	$	323	$	16,457
Unpaid principal	$	3,432	$	3,556	$	7,103	$	396	$	51	$	32	$	4,992	$	42	$	523	$	20,127
Related allowance	$	603	$	352	$	2,237	$	81	$	5	$	12	$	840	$	11	$	111	$	4,252
Average recorded Investment	$	3,890	$	7,841	$	6,331	$	317	$	102	$	49	$	2,800	$	1,543	$	6,570	$	29,443
Interest income Recognized	$	67	$	129	$	103	$	16	$	1	$	1	$	100	$	6	$	5	$	428

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of December 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	1,468	$	365		—		—		—		—		—		—	$	1,833
Unpaid principal		—	$	3,452	$	586		—		—		—		—		—		—	$	4,038
Average recorded Investment	$	16	$	2,097	$	308	$	11		—	$	31	$	11		—		—	$	2,474
Interest income Recognized		—	$	133	$	5		—		—		—		—		—		—	$	138
With anallowance recorded:
Recorded investment	$	199	$	320	$	38		—		—	$	72		—		—		—	$	629
Unpaid principal	$	225	$	331	$	41		—		—	$	76		—		—		—	$	673
Related allowance	$	28	$	163	$	27		—		—	$	35		—		—		—	$	253
Average recorded Investment	$	213	$	121	$	148		—		—	$	43		—		—		—	$	525
Interest income Recognized	$	9	$	12	$	1		—		—	$	2		—		—		—	$	24
	Impaired Originated Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment	$	7,288	$	61,224	$	4,039	$	188	$	311	$	55	$	8,453	$	4,631	$	629	$	86,818
Unpaid principal	$	9,377	$	72,273	$	6,755	$	488	$	568	$	80	$	9,110	$	9,642	$	953	$	109,246
Average recorded Investment	$	8,079	$	52,833	$	5,053	$	479	$	467	$	44	$	6,597	$	5,315	$	3,570	$	82,437
Interest income Recognized	$	22	$	375	$	4	$	1	$	1		—	$	33		—	$	3	$	439
With anallowance recorded:
Recorded investment	$	3,040	$	6,521	$	4,332	$	361	$	93	$	45	$	833	$	975	$	6,485	$	22,685
Unpaid principal	$	3,524	$	7,010	$	5,389	$	720	$	117	$	47	$	873	$	2,071	$	6,523	$	26,274
Related allowance	$	559	$	1,043	$	1,498	$	59	$	14	$	17	$	357	$	78	$	1,048	$	4,673
Average recorded Investment	$	3,399	$	10,714	$	3,690	$	188	$	297	$	46	$	704	$	815	$	3,725	$	23,578
Interest income Recognized	$	6	$	62	$	11		—		—		—	$	7	$	2	$	94	$	182

The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired PNCI Loans – As of March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consumer		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
With no relatedallowance recorded:
Recorded investment		—	$	2,072	$	326		—		—	$	77		—		—		—	$	2,475
Unpaid principal		—	$	2,075	$	363		—		—	$	78		—		—		—	$	2,516
Average recorded
Investment		—	$	1,036	$	163		—		—	$	39		—		—		—	$	1,238
Interest income
Recognized		—	$	26		—		—		—	$	1		—		—		—	$	27
With anallowance recorded:
Recorded investment	$	162		—	$	80		—		—		—		—		—		—	$	242
Unpaid principal	$	162		—	$	84		—		—		—		—		—		—	$	246
Related allowance	$	23		—	$	80		—		—		—		—		—		—	$	103
Average recorded
Investment	$	81		—	$	40		—		—		—		—		—		—	$	121
Interest income
Recognized	$	3		—		—		—		—		—		—		—		—	$	3

At March 31, 2013, $51,458,000 of Originated loans were TDR and classified as impaired. The Company had obligations to lend $92,000 of additional funds on these TDR as of March 31, 2013. At March 31, 2013, $954,000 of PNCI loans were TDR and classified as impaired. The Company had no obligations to lend additional funds on these TDR as of March 31, 2013.

At December 31, 2012, $57,223,000 of Originated loans were TDR and classified as impaired. The Company had obligations to lend $137,000 of additional funds on these TDR as of December 31, 2012. At December 31, 2012, $950,000 of PNCI loans were TDR and classified as impaired. The Company had no obligations to lend additional funds on these TDR as of December 31, 2012.

The following table shows certain information regarding Troubled Debt Restructurings (TDRs) that occurred during the period indicated:

	TDR Information for the Three Months Ended March 31, 2013
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		—		—		3		—		—		—		—		—		—		3
Pre-modification out-standing principal balance		—		—	$	257		—		—		—		—		—		—	$	257
Post-modification out-standing principal balance		—		—	$	260		—		—		—		—		—		—	$	260
Financial Impact due to troubled debt restructure taken as additional provision		—		—		—		—		—		—		—		—		—		—
Number that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Recorded investment of
TDRs that defaulted during the period		—		—		—		—		—		—		—		—		—		—
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

The following table shows certain information regarding TDRs that occurred during the period indicated:

	TDR Information for the Three Months Ended March 31, 2012
	RE Mortgage				Home Equity				Auto Indirect		Other Consum.		C&I		Construction
(In thousands)	Resid.		Comm.		Lines		Loans								Resid.		Comm.		Total
Number		2		7		2		—		—		1		1		2		—		15
Pre-modification out-standing principal balance	$	650	$	1,561	$	436		—		—	$	38	$	249	$	230		—	$	3,164
Post-modification out-standing principal balance	$	669	$	1,523	$	464		—		—	$	38	$	249	$	232		—	$	3,175
Financial Impact due to troubled debt restructure taken as additional provision		—		—	$	16		—		—		—		—		—		—	$	16
Number that defaulted during the period		1		4		—		—		—		—		—		—		1		6
Recorded investment of TDRs that defaulted during the period	$	112	$	2,632		—		—		—		—		—		—	$	39	$	2,783
Financial Impact due to the default of previous troubled debt restructure taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

Modifications classified as Troubled Debt Restructurings can include one or a combination of the following:

• Rate modifications

• Term extensions

• Interest only modifications, either temporary or long-term

• Payment modifications

• Collateral substitutions/additions

For all new Troubled Debt Restructurings, an impairment analysis is conducted. If the loan is determined to be collateral dependent, any additional amount of impairment will be calculated based on the difference between estimated collectible value and the current carrying balance of the loan. This difference could result in an increased provision and is typically charged off. If the asset is determined not to be collateral dependent, the impairment is measured on the net present value difference between the estimated cash flows of the restructured loan and the cash flows which would have been received under the original terms. The effect of this could result in a requirement for additional provision to the reserve. The effect of these required provisions for the period are indicated above.

Typically if a TDR defaults during the period, the loan is then considered collateral dependent and, if it was not already considered collateral dependent, an appropriate provision will be reserved or charge will be taken. The additional provisions required resulting from default of previously modified TDR’s are noted above.

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Foreclosed Assets

3 Months Ended

Mar. 31, 2013

Foreclosed Assets [Abstract]

Foreclosed Assets

Note 6 – Foreclosed Assets

A summary of the activity in the balance of foreclosed assets follows (in thousands):

	Three months ended March 31, 2013									Three months ended March 31, 2012
	Non covered			Covered			Total			Non covered			Covered			Total
Beginning balance, net	$	5,957		$	1,541		$	7,498		$	13,268		$	3,064		$	16,332
Additions/transfers from loans		5,473			263			5,736			1,694			225			1,919
Dispositions/sales		(6,816	)		(267	)		(7,083	)		(3,379	)		—			(3,379	)
Valuation adjustments		(27	)		—			(27	)		(83	)		—			(83	)
Ending balance, net	$	4,587		$	1,537		$	6,124		$	11,500		$	3,289		$	14,789
Ending valuation allowance	$	984		$	488		$	1,472		$	(977	)	$	(776	)	$	(1,753	)
Ending number of foreclosed assets		33			4			37			52			11			63
Proceeds from sale of foreclosed assets	$	7,354		$	280		$	7,635		$	3,021			—		$	3,021
Gain (loss) on sale of foreclosed assets	$	538		$	13		$	551		$	(358	)		—		$	(358	)

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Cash Value of Life Insurance

3 Months Ended

Mar. 31, 2013

Cash Value of Life Insurance [Abstract]

Cash Value of Life Insurance

Note 8 – Cash Value of Life Insurance

A summary of the activity in the balance of cash value of life insurance follows (in thousands):

	Three months ended March 31,
	2013		2012
Beginning balance	$	50,582	$	50,403
Increase in cash value of life insurance		426		450
Ending balance	$	51,008	$	50,853
End of period death benefit	$	94,234	$	95,593
Number of policies owned		133		139
Insurance companies used		6		6
Current and former employees and directors covered		36		38

As of March 31, 2013, the Bank was the owner and beneficiary of 133 life insurance policies, issued by six life insurance companies, covering 36 current and former employees and directors. These life insurance policies are recorded on the Company’s financial statements at their reported cash (surrender) values. As a result of current tax law and the nature of these policies, the Bank records any increase in cash value of these policies as nontaxable noninterest income. If the Bank decided to surrender any of the policies prior to the death of the insured, such surrender may result in a tax expense related to the life-to-date cumulative increase in cash value of the policy. If the Bank retains such policies until the death of the insured, the Bank would receive nontaxable proceeds from the insurance company equal to the death benefit of the policies. The Bank has entered into Joint Beneficiary Agreements (JBAs) with certain of the insureds that for certain of the policies provide some level of sharing of the death benefit, less the cash surrender value, among the Bank and the beneficiaries of the insured upon the receipt of death benefits. See Note 15 of these consolidated financial statements for additional information on of JBAs.

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Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2013

Regulatory Matters [Abstract]

Actual capital amounts and ratios of the Bank

	Actual					Minimum Capital Requirement					Minimum to be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
As of March 31, 2013:
Total Capital (to Risk Weighted Assets):
Consolidated	$	280,792		15.19	%		147,908		8.0	%		N/A		N/A
Tri Counties Bank	$	278,540		15.08	%		147,808		8.0	%	$	184,661		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	257,435		13.92	%		73,954		4.0	%		N/A		N/A
Tri Counties Bank	$	255,199		13.81	%		73,904		4.0	%	$	110,856		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	257,435		9.93	%		103,710		4.0	%		N/A		N/A
Tri Counties Bank	$	255,189		9.85	%		103,658		4.0	%	$	129,572		5.0	%
As of December 31, 2012:
Total Capital (to Risk Weighted Assets):
Consolidated	$	273,979		14.53	%	$	150,896		8.0	%		N/A		N/A
Tri Counties Bank	$	271,723		14.42	%	$	150,796		8.0	%	$	188,495		10.0	%
Tier 1 Capital (to Risk Weighted Assets):
Consolidated	$	250,133		13.27	%	$	75,448		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		13.16	%	$	75,398		4.0	%	$	113,097		6.0	%
Tier 1 Capital (to Average Assets):
Consolidated	$	250,133		9.82	%	$	101,918		4.0	%		N/A		N/A
Tri Counties Bank	$	247,892		9.73	%	$	101,866		4.0	%	$	127,333		5.0	%

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Fair Value Measurement (Details 4) (Fair value nonrecurring basis [Member], USD $) In Thousands, unless otherwise specified											3 Months Ended										3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Impaired originated & PNCI loans [Member]	Mar. 31, 2012 Impaired originated & PNCI loans [Member]	Mar. 31, 2013 Foreclosed assets [Member]	Mar. 31, 2012 Foreclosed assets [Member]	Mar. 31, 2013 Level 3 [Member]	Mar. 31, 2012 Level 3 [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member]	Mar. 31, 2012 Level 3 [Member] Impaired originated & PNCI loans [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Income approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Minimum [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Minimum [Member] Income approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Maximum [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Maximum [Member] Income approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Weighted Average [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Impaired originated & PNCI loans [Member] Weighted Average [Member] Income approach [Member]	Mar. 31, 2013 Level 3 [Member] Foreclosed assets [Member]	Mar. 31, 2012 Level 3 [Member] Foreclosed assets [Member]	Mar. 31, 2013 Level 3 [Member] Foreclosed assets [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Foreclosed assets [Member] Minimum [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Foreclosed assets [Member] Maximum [Member] Sales comparison approach [Member]	Mar. 31, 2013 Level 3 [Member] Foreclosed assets [Member] Weighted Average [Member] Sales comparison approach [Member]
Quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a nonrecurring basis
Fair Value	$ 24,341	$ 21,790	$ 23,989	$ 21,110	$ 352	$ 680	$ 24,341	$ 21,790	$ 23,989	$ 21,110									$ 352	$ 680
Valuation Techniques											Sales comparison approach	Income approach									Sales comparison approach
Adjustment for differences between comparable sales													0.00%		41.20%		12.80%					7.50%	7.50%	7.50%
Capitalization rate														6.70%		9.50%		9.10%

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Goodwill and Other Intangible Assets (Details 1) (Core Deposits [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Core Deposits [Member]
Summary of core deposit intangibles
Core deposit intangibles, Beginning balance	$ 1,460
Core deposit intangibles, Additions
Core deposit intangibles, Reductions
Core deposit intangibles, Ending balance	1,460
Accumulated amortization, Beginning balance	(368)
Accumulated amortization, Additions
Accumulated amortization, Reductions	(52)
Accumulated amortization, Ending balance	(420)
Core deposit intangibles, net, Beginning balance	1,092
Core deposit intangible, net, Additions
Core deposit intangible, net, Reductions	(52)
Core deposit intangibles, net, Ending balance	$ 1,040

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Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 Segment Trust	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies (Textual) [Abstract]
Allowance for loan losses	$ 39,867,000	$ 42,648,000	$ 45,452,000	$ 45,914,000
Method used to estimate net sale proceeds	Greater of fifteen percent or actual estimated selling costs
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Number of subsidiary business trust	2
Number of business segments	1
Loans contractual past due	90 days
Recognized OTTI losses	0	0
TDR loans payment period in non accrual status	6 months
Tri countries bank [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Number of traditional operating branches	41
Number of in-store operating branches	25
Impaired real estate collateral dependent loans [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Allowance for loan losses	$ 494,000
Furniture and equipment [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful lives of the related assets or lease terms	10 years
Furniture and equipment [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful lives of the related assets or lease terms	3 years
Land improvements and buildings [Member] | Maximum [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful lives of the related assets or lease terms	40 years
Land improvements and buildings [Member] | Minimum [Member]
Summary of Significant Accounting Policies (Textual) [Abstract]
Estimated useful lives of the related assets or lease terms	15 years

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Stock Options and Other Equity-Based Incentive Instruments (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Stock option activity
Outstanding at December 31, 2012, Number of shares	1,393,935
Outstanding at December 31, 2012, Weighted Average Exercise Price	$ 17.07
Options granted, Number of Shares	7,500
Options granted, Weighted Average Exercise Price	$ 16.59
Options granted, Weighted Average Fair Value on Date of Grant	$ 7.51
Options exercised, Number of shares	(20,000)
Options exercised, Weighted Average Exercise Price	$ 13.09
Options forfeited, Number of Shares
Options forfeited, Weighted Average Exercise Price
Outstanding at March 31, 2013, Number of Shares	1,381,435
Outstanding at March 31, 2013, Weighted Average Exercise Price	$ 17.13
Maximum [Member]
Stock option activity
Outstanding at December 31, 2012, Option Price per Share	$ 25.91
Options granted, Option Price per Share	$ 16.59
Options exercised, Option Price per Share	$ 13.09
Options forfeited, Option Price per Share
Outstanding at March 31, 2013, Option Price per Share	$ 25.91
Minimum [Member]
Stock option activity
Outstanding at December 31, 2012, Option Price per Share	$ 12.60
Options granted, Option Price per Share	$ 16.59
Options exercised, Option Price per Share	$ 13.09
Options forfeited, Option Price per Share
Outstanding at March 31, 2013, Option Price per Share	$ 12.60

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Tables)

3 Months Ended

Mar. 31, 2013

TriCo Bancshares Condensed Financial Statements (Parent Only) [Abstract]

Condensed Balance Sheets

Condensed Balance Sheets	March 31, 2013		December 31, 2012
	(In thousands)
Assets
Cash and Cash equivalents	$	2,497	$	2,511
Investment in Tri Counties Bank		273,794		267,118
Other assets		1,238		1,238
Total assets	$	277,529	$	270,867
Liabilities and shareholders’ equity
Other liabilities	$	261	$	270
Junior subordinated debt		41,238		41,238
Total liabilities		41,499		41,508
Shareholders’ equity:
Common stock, no par value: authorized 50,000,000 shares; issued and outstanding 16,005,191 and 16,000,838 shares, respectively		85,995		85,561
Retained earnings		148,497		141,639
Accumulated other comprehensive loss, net		1,538		2,159
Total shareholders’ equity		236,030		229,359
Total liabilities and shareholders’ equity	$	277,529	$	270,867

Condensed Statements of Income

Condensed Statements of Income	Three months ended March 31,
	2013			2012
	(In thousands)
Interest expense	$	311		$	338
Administration expense		145			131
Loss before equity in net income of Tri Counties Bank		(456	)		(469	)
Equity in net income of Tri Counties Bank:
Distributed		1,700			1,625
Under distributed		7,041			2,583
Income tax benefit		192			192
Net income	$	8,477		$	3,931

Condensed Statements of Comprehensive Income

Condensed Statements of Comprehensive Income	Three months ended March 31,
	2013			2012
	(In thousands)
Net income	$	8,477		$	3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period		(621	)		(153	)
Other comprehensive loss		(621	)		(153	)
Comprehensive income	$	7,856		$	3,778

Condensed Statements of Cash Flows

Condensed Statements of Cash Flows	Three months ended March 31,
	2013			2012
	(In thousands)
Operating activities:
Net income	$	8,477		$	3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Under distributed equity in earnings of Tri Counties Bank		(7,041	)		(2,583	)
Stock option vesting expense		236			257
Stock option excess tax benefits		(20	)		—
Net change in other assets and liabilities		(245	)		(246	)
Net cash provided by operating activities		1,407			1,359
Investing activities: None
Financing activities:
Stock option excess tax benefits		20			—
Cash dividends paid — common		(1,441	)		(1,438	)
Net cash used for financing activities		(1,421	)		(1,438	)
Net change in cash and cash equivalents		(14	)		(79	)
Cash and cash equivalents at beginning of year		2,511			706
Cash and cash equivalents at end of year	$	2,497		$	627

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Deposits (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Deposits (Textual) [Abstract]
Certificate of deposit balances included in time certificates	$ 5,000,000	$ 5,000,000
Certificate of deposit included in time certificates	100,000	100,000
Overdrawn deposit balances classified as consumer loans	$ 1,112,000	$ 1,408,000

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Summary of Quarterly Results of Operations (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Loans:
Discount accretion PCI - cash basis	$ 167	$ 42	$ 24	$ 108	$ 18
Discount accretion PCI - other	597	979	1,192	886	776
Discount accretion PNCI	766	841	591	1,391	1,286
Regular interest Purchased loans	3,074	3,226	3,251	3,439	3,420
All other loan interest income	19,468	19,157	20,472	19,968	19,429
Total loan interest income	24,072	24,245	25,530	25,792	24,929
Debt securities, dividends and interest bearing cash at Banks (not FTE)	1,734	1,898	1,935	2,152	2,235
Total interest and dividend income	25,806	26,143	27,465	27,944	27,164
Interest expense	1,237	1,372	1,834	2,010	2,128
Net interest income	24,569	24,771	25,631	25,934	25,036
Reversal of provision for loan losses	(1,108)	1,524	532	3,371	3,996
Net interest income after provision for loan losses	25,677	23,247	25,099	22,563	21,040
Noninterest income	10,218	10,011	9,127	10,577	8,265
Noninterest expense	21,601	25,126	25,590	24,367	22,915
Income before income taxes	14,294	8,132	8,636	8,773	6,390
Income tax benefit / expense	5,817	3,410	3,616	3,452	2,459
Net income	$ 8,477	$ 4,722	$ 5,020	$ 5,321	$ 3,931
Per common share:
Net income (diluted)	$ 0.53	$ 0.29	$ 0.31	$ 0.33	$ 0.25
Dividends	$ 0.09	$ 0.09	$ 0.09	$ 0.09	$ 0.09

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Related Party Transactions

3 Months Ended

Mar. 31, 2013

Related Party Transactions [Abstract]

Related Party Transactions

Note 26—Related Party Transactions

Certain directors, officers, and companies with which they are associated were customers of, and had banking transactions with, the Company or the Bank in the ordinary course of business. It is the Company’s policy that all loans and commitments to lend to officers and directors be made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other borrowers of the Bank.

The following table summarizes the activity in these loans for the periods indicated (in thousands):

Balance December 31, 2011	$	1,764
Advances/new loans		1,568
Removed/payments		(964	)
Balance December 31, 2012	$	2,368
Advances/new loans		227
Removed/payments		(220	)
Balance March 31, 2013	$	2,375

Director Chrysler is a principal owner and CEO of Modern Building Inc. Modern Building Inc. provided construction services to Tri Counties Bank related to new and existing Bank facilities for aggregate payments of $1,601,000 during the three months ended March 31, 2013 and $3,924,000 during the year ended December 31, 2012.

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Reserve for Unfunded Commitments (Tables)

3 Months Ended

Mar. 31, 2013

Reserve for Unfunded Commitments [Abstract]

Summary of the activity in reserve for unfunded commitments

	Three months ended March 31,
	2013			2012
Balance at beginning of period	$	3,615		$	2,740
Provision for losses – unfunded commitments		(440	)		(190	)
Balance at end of period	$	3,175		$	2,550

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Deposits

3 Months Ended

Mar. 31, 2013

Deposits [Abstract]

Deposits

Note 13—Deposits

A summary of the balances of deposits follows (in thousands):

	March 31, 2013		December 31, 2012
Noninterest-bearing demand	$	639,420	$	684,833
Interest-bearing demand		531,695		503,465
Savings		786,352		762,924
Time certificates, $100,000 and over		175,288		180,195
Other time certificates		152,795		158,285
Total deposits	$	2,285,550	$	2,289,702

Certificate of deposit balances of $5,000,000 and $5,000,000 from the State of California were included in time certificates, $100,000 and over, at March 31, 2013 and December 31, 2012, respectively. The Bank participates in a deposit program offered by the State of California whereby the State may make deposits at the Bank’s request subject to collateral and credit worthiness constraints. The negotiated rates on these State deposits are generally more favorable than other wholesale funding sources available to the Bank. Overdrawn deposit balances of $1,112,000 and $1,408,000 were classified as consumer loans at March 31, 2013 and December 31, 2012, respectively.

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Related Party Transactions (Details Textual) (Modern Building Inc [Member], USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Modern Building Inc [Member]
Related Party Transactions (Textual) [Abstract]
Construction services	$ 1,601,000	$ 3,924,000

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 18—Commitments and Contingencies

Restricted Cash Balances— Reserves (in the form of deposits with the Federal Reserve Bank) of $35,533,000 and $31,594,000 were maintained to satisfy Federal regulatory requirements at March 31, 2013 and December 31, 2012, respectively. These reserves are included in cash and due from banks in the accompanying balance sheets.

Lease Commitments— The Company leases 47 sites under non-cancelable operating leases. The leases contain various provisions for increases in rental rates, based either on changes in the published Consumer Price Index or a predetermined escalation schedule. Substantially all of the leases provide the Company with the option to extend the lease term one or more times following expiration of the initial term.

At December 31, 2011, future minimum commitments under non-cancelable operating leases with initial or remaining terms of one year or more are as follows:

	Operating Leases
	(In thousands)
2013	$	2,772
2014		2,417
2015		1,536
2016		954
2017		617
Thereafter		1,312
Future minimum lease payments	$	9,608

Rent expense under operating leases was $791,000 and $832,000 during the three months ended March 31, 2013 and 2012, respectively

Financial Instruments with Off-Balance-Sheet Risk— The Company is a party to financial instruments with off-balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit, and deposit account overdraft privilege. Those instruments involve, to varying degrees, elements of risk in excess of the amount recognized in the balance sheet. The contract amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The Company’s exposure to loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit written is represented by the contractual amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. The Company’s exposure to loss in the event of nonperformance by the other party to the financial instrument for deposit account overdraft privilege is represented by the overdraft privilege amount disclosed to the deposit account holder.

The following table presents a summary of the Bank’s commitments and contingent liabilities:

(In thousands)	March 31, 2013		December 31, 2012
Financial instruments whose amounts represent risk:
Commitments to extend credit:
Commercial loans	$	133,953	$	123,517
Consumer loans		369,110		369,467
Real estate mortgage loans		27,388		27,959
Real estate construction loans		28,711		36,311
Standby letters of credit		2,004		2,905
Deposit account overdraft privilege		71,288		69,675

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates of one year or less or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on Management’s credit evaluation of the customer. Collateral held varies, but may include accounts receivable, inventory, property, plant and equipment, residential properties, and income-producing commercial properties.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. Those guarantees are primarily issued to support private borrowing arrangements. Most standby letters of credit are issued for one year or less. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Collateral requirements vary, but in general follow the requirements for other loan facilities.

Deposit account overdraft privilege amount represents the unused overdraft privilege balance available to the Company’s deposit account holders who have deposit accounts covered by an overdraft privilege. The Company has established an overdraft privilege for certain of its deposit account products whereby all holders of such accounts who bring their accounts to a positive balance at least once every thirty days receive the overdraft privilege. The overdraft privilege allows depositors to overdraft their deposit account up to a predetermined level. The predetermined overdraft limit is set by the Company based on account type.

Legal Proceedings—The Bank owns 10,214 shares of Class B common stock of Visa Inc. which are convertible into Class A common stock at a conversion ratio of 0.4206 per Class A share. As of March 31, 2013, the value of the Class A shares was $169.84 per share. Utilizing the conversion ratio, the value of unredeemed Class A equivalent shares owned by the Company was $730,000 as of March 31, 2013, and has not been reflected in the accompanying financial statements. The shares of Visa Class B common stock are restricted and may not be transferred. Visa Member Banks are required to fund an escrow account to cover settlements, resolution of pending litigation and related claims. If the funds in the escrow account are insufficient to settle all the covered litigation, Visa may sell additional Class A shares, use the proceeds to settle litigation, and further reduce the conversion ratio. If funds remain in the escrow account after all litigation is settled, the Class B conversion ratio will be increased to reflect that surplus.

On September 27, 2012, the Company announced that the Bank entered into a tentative settlement with a former employee who filed a class action lawsuit against the Bank in the Superior Court of California, Kern County on behalf of herself and a putative class of current and former Bank employees serving as assistant branch managers seeking undisclosed damages, alleging that the Bank improperly classified its assistant branch managers as exempt employees under California laws. The lawsuit alleges claims for: failure to pay overtime compensation; failure to provide meal periods; failure to provide rest periods; failure to provide accurate wage statements; failure to provide suitable seating; declaratory relief; accounting; and unfair business practices in violation of California Business and Professions Code section 17200. On September 26, 2012, after efforts to mediate the claim, the Bank and the former employee agreed to settle the case in an amount ranging from $2,039,500 to $2,500,000, depending primarily on the number of class participants who file claims, and pending approval by the court, including determination of the method to allocate settlement payments among current and former employees who are members of the defined settlement class, and the portion of the total settlement allocable to attorney’s fees and costs to plaintiff’s counsel. On September 26, 2012, the Bank recorded a $2,090,000 expense and accrued liability in anticipation of approval of this settlement by the court and estimated related payroll taxes.

The Company is a defendant in other legal actions arising from normal business activities. Management believes, after consultation with legal counsel, that these actions are without merit or that the ultimate liability, if any, resulting from them will not materially affect the Company’s consolidated financial position or results from operations.

Other Commitments and Contingencies—The Company has entered into employment agreements or change of control agreements with certain officers of the Company providing severance payments and accelerated vesting of benefits under supplemental retirement agreements to the officers in the event of a change in control of the Company and termination for other than cause or after a substantial and material change in the officer’s title, compensation or responsibilities.

Mortgage loans sold to investors may be sold with servicing rights retained, with only the standard legal representations and warranties regarding recourse to the Bank. Management believes that any liabilities that may result from such recourse provisions are not significant.

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Other Borrowings (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of the balances of other borrowings
Total other borrowings	$ 8,125	$ 9,197
Other collateralized borrowings, fixed rate, as of March 31, 2013 of 0.05% payable on April 1, 2013 [Member]
Summary of the balances of other borrowings
Other collateralized borrowings, fixed rate, as of March 31, 2013 of 0.05% payable on April 1, 2013	$ 8,125	$ 9,197

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Other Assets (Tables)

3 Months Ended

Mar. 31, 2013

Other Assets [Abstract]

Summary of other assets

	March 31, 2013		December 31, 2012
Deferred tax asset, net	$	28,098	$	28,935
Prepaid expense including FDIC assessment and taxes		4,507		3,455
Software		1,434		1,550
Life insurance proceeds receivable		—		706
Advanced compensation		1,408		1,440
TriCo Capital Trust I & II		1,238		1,238
Miscellaneous other assets		1,799		1,283
Total other assets	$	38,484	$	38,607

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Noninterest Income and Expenses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Components of other noninterest income
Service charges on deposit accounts	$ 3,140				$ 3,527
ATM and interchange fees	1,875				1,819
Other service fees	559				603
Mortgage banking service fees	416				372
Change in value of mortgage servicing rights	(61)				(369)
Total service charges and fees	5,929				5,952
Gain on sale of loans	2,294				1,650
Commissions on sale of non-deposit investment products	761				819
Increase in cash value of life insurance	426				450
Change in indemnification asset	(101)				(353)
Gain (loss) on sale of foreclosed assets	551				(358)
Sale of customer checks	91				73
Lease brokerage income	117				58
Loss on disposal of fixed assets	(16)				(235)
Commission rebates					(16)
Other	166				225
Total other noninterest income	4,289				2,313
Total noninterest income	$ 10,218	$ 10,011	$ 9,127	$ 10,577	$ 8,265

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Loans (Tables)

3 Months Ended

Mar. 31, 2013

Loans [Abstract]

Summary of loan balances

	March 31, 2013
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	125,875		$	5,075			—		$	5,010		$	135,960
Commercial		772,296			69,982			—			32,011			874,289
Total mortgage loan on real estate		898,171			75,057			—			37,021			1,010,249
Consumer:
Home equity lines of credit		303,638			16,341			7,413			5,652			333,044
Home equity loans		12,533			347			48			155			13,083
Auto Indirect		2,821			—			—			—			2,821
Other		24,826			2,264			—			25			27,115
Total consumer loans		343,818			18,952			7,461			5,832			376,063
Commercial		106,275			779			36			8,393			115,483
Construction:
Residential		14,498			—			—			5,023			19,521
Commercial		9,909			—			—			1,137			11,046
Total construction		24,407			—			—			6,160			30,567
Total loans, net of deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Total principal balance of loans owed, net of charge-offs	$	1,375,615		$	107,268		$	18,783		$	71,426		$	1,573,092
Unamortized net deferred loan fees		(2,944	)		—			—			—			(2,944	)
Discounts to principal balance of loans owed, net of charge-offs		—			(12,480	)		(11,286	)		(14,020	)		(37,786	)
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Noncovered loans	$	1,372,671		$	94,788		$	7,497		$	17,614		$	1,492,570
Covered loans		—			—			—			39,792			39,792
Total loans, net of unamortized deferred loan fees	$	1,372,671		$	94,788		$	7,497		$	57,406		$	1,532,362
Allowance for loan losses	$	32,698		$	2,867		$	1,039		$	3,263		$	39,867

	December 31, 2012
	Originated			PNCI			PCI - Cash basis			PCI - Other			Total
Mortgage loans on real estate:
Residential 1-4 family	$	121,255		$	5,413			—		$	5,016		$	131,684
Commercial		775,124			72,090		$	1,289			29,943			878,446
Total mortgage loan on real estate		896,379			77,503			1,289			34,959			1,010,130
Consumer:
Home equity lines of credit		311,671			16,788			7,612			5,954			342,025
Home equity loans		13,011			342			49			155			13,557
Auto Indirect		3,816			—			—			—			3,816
Other		24,263			2,418			—			32			26,713
Total consumer loans		352,761			19,548			7,661			6,141			386,111
Commercial		125,122			869			22			9,515			135,528
Construction:
Residential		11,877			—			—			6,582			18,459
Commercial		11,196			—			—			3,399			14,595
Total construction		23,073			—			—			9,981			33,054
Total loans, net of deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Total principal balance of loans owed, net of charge-offs	$	1,400,147		$	111,286		$	20,621		$	75,277		$	1,607,331
Unamortized net deferred loan fees		(2,812	)		—			—			—			(2,812	)
Discounts to principal balance of loans owed, net of charge-offs		—			(13,366	)		(11,649	)		(14,681	)		(39,696	)
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Noncovered loans	$	1,397,335		$	97,920		$	8,972		$	18,708		$	1,522,935
Covered loans		—			—			—			41,888			41,888
Total loans, net of unamortized deferred loan fees	$	1,397,335		$	97,920		$	8,972		$	60,596		$	1,564,823
Allowance for loan losses	$	(35,769	)	$	(1,969	)	$	(1,054	)	$	(3,856	)	$	(42,648	)

Change in accretable yield for PCI

	Three months ended March 31,
	2013			2012
Change in accretable yield:
Balance at beginning of period	$	22,337		$	25,145
Accretion to interest income		(1,623	)		(1,959	)
Reclassification (to) from nonaccretable difference		(23	)		1,429
Balance at end of period	$	20,691		$	24,615

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Noninterest Income and Expenses (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Noninterest Income and Expenses (Textual) [Abstract]
Change in fair value of mortgage loan servicing rights	$ 355,000	$ 3,000

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Condensed Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 8,477	$ 4,722	$ 5,020	$ 5,321	$ 3,931
Other comprehensive loss, net of tax:
Decrease in unrealized gains on available-for-sale securities arising during the period	(621)				(153)
Other comprehensive loss	(621)				(153)
Comprehensive income	$ 7,856				$ 3,778

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Mortgage Servicing Rights (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Mortgage servicing rights [Member]	Mar. 31, 2012 Mortgage servicing rights [Member]	Mar. 31, 2013 Loans [Member]	Dec. 31, 2012 Loans [Member]	Mar. 31, 2012 Loans [Member]	Dec. 31, 2011 Loans [Member]
Fair value of mortgage servicing rights
Balance at beginning of period			$ 4,552	$ 4,603	$ 680,447	$ 666,512	$ 615,867	$ 598,185
Additions			493	550
Change in fair value			(61)	(369)
Balance at end of period			4,984	4,784	680,447	666,512	615,867	598,185
Servicing, late and ancillary fees received	$ 417	$ 372
Weighted-average prepayment speed (CPR)	17.30%	18.40%
Discount rate	10.00%	9.00%

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Business Combinations

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Business Combinations

Note 2—Business Combinations

On September 23, 2011, the California Department of Financial Institutions closed Citizens Bank of Northern California (“Citizens”), Nevada City, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Citizens from the FDIC under a whole bank purchase and assumption agreement without loss sharing.

On May 28, 2010, the Office of the Comptroller of the Currency closed Granite Community Bank (“Granite”), Granite Bay, California and appointed the FDIC as receiver. That same date, the Bank assumed the banking operations of Granite from the FDIC under a whole bank purchase and assumption agreement with loss sharing. Under the terms of the loss sharing agreement, the FDIC will cover a substantial portion of any future losses on loans, related unfunded loan commitments, other real estate owned (OREO)/foreclosed assets and accrued interest on loans for up to 90 days. The FDIC will absorb 80% of losses and share in 80% of loss recoveries on the covered assets acquired from Granite. The loss sharing arrangements for non-single family residential and single family residential loans are in effect for 5 years and 10 years, respectively, and the loss recovery provisions are in effect for 8 years and 10 years, respectively, from the acquisition date.

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Computation of Earnings per Share

	Three months ended March 31,
(In thousands)	2013		2012
Net income	$	8,477	$	3,931
Average number of common shares outstanding		16,002		15,979
Effect of dilutive stock options		89		64
Average number of common shares outstanding used to calculate diluted earnings per share		16,091		16,043
Options excluded from diluted earnings per share because the effect of these options was antidilutive		856		869

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Cash Value of Life Insurance (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Policy Company Employee	Mar. 31, 2012 Company Employee Policy
Summary of the activity in the balance of cash value of life insurance
Beginning balance	$ 50,582	$ 50,403
Increase in cash value of life insurance	426	450
Ending balance	51,008	50,853
End of period death benefit	$ 94,234	$ 95,593
Number of policies owned	133	139
Insurance companies used	6	6
Current and former employees and directors covered	36	38

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Noninterest Income and Expenses (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Components of noninterest expense
Base salaries, net of deferred loan origination costs	$ 8,348				$ 8,159
Incentive compensation	1,286				1,375
Benefits and other compensation costs	3,327				3,228
Total salaries and benefits expense	12,961				12,762
Occupancy	1,659				1,716
Equipment	1,034				1,117
Data processing and software	1,078				1,294
ATM network charges	496				567
Telecommunications	525				555
Postage	231				256
Courier service	167				189
Advertising	325				498
Assessments	606				606
Operational losses	117				116
Professional fees	486				423
Foreclosed assets expense	99				525
Provision for foreclosed asset losses	27				83
Change in reserve for unfunded commitments	(440)				(190)
Intangible amortization	52				53
Other	2,178				2,345
Total other noninterest expense	8,640				10,153
Total noninterest expense	$ 21,601	$ 25,126	$ 25,590	$ 24,367	$ 22,915

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Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Investment Securities
Due in one year, Amortized Cost	$ 2,692
Due after one year through five years, Amortized Cost	4,637
Due after five years through ten years, Amortized Cost	43,900
Due after ten years, Amortized Cost	85,864
Totals, Amortized Cost	137,093
Due in one year, Estimated Fair Value	2,766
Due after one year through five years, Estimated Fair Value	4,872
Due after five years through ten years, Estimated Fair Value	45,569
Due after ten years, Estimated Fair Value	91,247
Totals, Estimated Fair Value	$ 144,454

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Shareholders' Equity

3 Months Ended

Mar. 31, 2013

Shareholders' Equity and Comprehensive Income [Abstract]

Shareholders' Equity

Note 19 – Shareholders’ Equity

Dividends Paid

The Bank paid to the Company cash dividends in the aggregate amounts of $1,700,000 and $1,625,000 during the three months ended March 31, 2013 and 2012, respectively. The Bank is regulated by the FDIC and the State of California Department of Financial Institutions. Absent approval from the Commissioner of Financial Institutions of California, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period.

Shareholders’ Rights Plan

On June 25, 2001, the Company announced that its Board of Directors adopted and entered into a Shareholder Rights Plan designed to protect and maximize shareholder value and to assist the Board of Directors in ensuring fair and equitable benefit to all shareholders in the event of a hostile bid to acquire the Company. On July 8, 2011, the Company amended the Rights Plan to extend its maturity until July 10, 2021.

The Company adopted this Rights Plan to protect shareholders from coercive or otherwise unfair takeover tactics. In general terms, the Rights Plan imposes a significant penalty upon any person or group that acquires 15% or more of the Company’s outstanding common stock without approval of the Company’s Board of Directors. The Rights Plan was not adopted in response to any known attempt to acquire control of the Company.

Under the Rights Plan, a dividend of one Preferred Stock Purchase Right was declared for each common share held of record as of the close of business on July 10, 2001. No separate certificates evidencing the rights will be issued unless and until they become exercisable.

The rights generally will not become exercisable unless an acquiring entity accumulates or initiates a tender offer to purchase 15% or more of the Company’s common stock. In that event, each right will entitle the holder, other than the unapproved acquirer and its affiliates, to purchase either the Company’s common stock or shares in an acquiring entity at one-half of market value.

The rights’ initial exercise price, which is subject to adjustment, is $49.00 per right. The Company’s Board of Directors generally will be entitled to redeem the rights at a redemption price of $0.01 per right until an acquiring entity acquires a 15% position.

Stock Repurchase Plan

On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. The 500,000 shares authorized for repurchase under this stock repurchase plan represented approximately 3.2% of the Company’s 15,814,662 outstanding common shares as of August 21, 2007. This stock repurchase plan has no expiration date. As of March 31, 2013, the Company had repurchased 166,600 shares under this plan.

Stock Repurchased Under Equity Compensation Plans

During the three months ended March 31, 2013, 15,647 shares of the Company’s common stock were tendered in lieu of cash to exercise options to purchase shares of the Company’s stock. Such tendered shares are considered repurchased shares but are not counted against the repurchase plan noted above.

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Fair Value Measurement (Details 1) (Mortgage servicing rights [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Mortgage servicing rights [Member]
Reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis
Beginning Balance	$ 4,552	$ 4,603
Transfers into (out of) Level 3
Change Included in Earnings	(61)	(369)
Issuances	493	550
Ending Balance	$ 4,984	$ 4,784

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TriCo Bancshares Condensed Financial Statements (Parent Only) (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012
Operating activities:
Net income	$ 8,477	$ 4,722	$ 5,020	$ 5,321	$ 3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Stock option vesting expense	236				257
Stock option excess tax benefits	(20)
Net cash provided by operating activities	13,285				17,953
Financing activities:
Stock option excess tax benefits	20
Cash dividends paid - common	(1,441)				(1,438)
Net cash used for financing activities	(6,645)				(25,695)
Net change in cash and cash equivalents	53,372				44,485
Cash and cash equivalents at beginning of period	748,899			681,760	637,275
Cash and cash equivalents at end of period	802,271	748,899			681,760
Parent [Member]
Operating activities:
Net income	8,477				3,931
Adjustments to reconcile net income to net cash provided by operating activities:
Under distributed equity in earnings of Tri Counties Bank	(7,041)				(2,583)
Stock option vesting expense	236				257
Stock option excess tax benefits	(20)
Net change in other assets and liabilities	(245)				(246)
Net cash provided by operating activities	1,407				1,359
Financing activities:
Stock option excess tax benefits	20
Cash dividends paid - common	(1,441)				(1,438)
Net cash used for financing activities	(1,421)				(1,438)
Net change in cash and cash equivalents	(14)				(79)
Cash and cash equivalents at beginning of period	2,511				706
Cash and cash equivalents at end of period	$ 2,497				$ 627

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Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Presentation of credit quality indicators
Total loans	$ 1,532,362	$ 1,564,823	$ 1,511,085
Originated loans [Member]
Presentation of credit quality indicators
Total loans	1,372,671	1,397,335
PNCI loans [Member]
Presentation of credit quality indicators
Total loans	94,788	97,920
PCI loans [Member]
Presentation of credit quality indicators
Total loans	64,903	69,568
Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	1,245,461	1,256,795
Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	85,897	89,230
Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	34,662	37,170
Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	4,073	5,567
Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	92,548	103,370
Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	4,818	3,114
Loss [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans		9
RE Mortgage [Member] | Residential [Member]
Presentation of credit quality indicators
Total loans	135,960	131,684	130,500
RE Mortgage [Member] | Residential [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	125,875	121,255
RE Mortgage [Member] | Residential [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	5,075	5,413
RE Mortgage [Member] | Residential [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	5,010	5,016
RE Mortgage [Member] | Residential [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	116,293	108,946
RE Mortgage [Member] | Residential [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	4,532	4,968
RE Mortgage [Member] | Residential [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	1,920	3,122
RE Mortgage [Member] | Residential [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	7,662	9,187
RE Mortgage [Member] | Residential [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	543	436
RE Mortgage [Member] | Residential [Member] | Loss [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans		9
RE Mortgage [Member] | Commercial [Member]
Presentation of credit quality indicators
Total loans	874,289	878,446	816,859
RE Mortgage [Member] | Commercial [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	772,296	775,124
RE Mortgage [Member] | Commercial [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	69,982	72,090
RE Mortgage [Member] | Commercial [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	32,011	31,232
RE Mortgage [Member] | Commercial [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	686,714	686,593
RE Mortgage [Member] | Commercial [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	62,804	64,917
RE Mortgage [Member] | Commercial [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	21,690	21,184
RE Mortgage [Member] | Commercial [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	3,711	5,249
RE Mortgage [Member] | Commercial [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	63,892	67,347
RE Mortgage [Member] | Commercial [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	3,467	1,924
Home Equity Lines [Member]
Presentation of credit quality indicators
Total loans	333,044	342,025	350,062
Home Equity Lines [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	303,638	311,671
Home Equity Lines [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	16,341	16,788
Home Equity Lines [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	13,065	13,566
Home Equity Lines [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	288,765	291,701
Home Equity Lines [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	15,292	15,915
Home Equity Lines [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	4,450	6,955
Home Equity Lines [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	282	193
Home Equity Lines [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	10,423	13,015
Home Equity Lines [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	767	680
Home equity loans [Member]
Presentation of credit quality indicators
Total loans	13,083	13,557	14,559
Home equity loans [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	12,533	13,011
Home equity loans [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	347	342
Home equity loans [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	203	204
Home equity loans [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	11,508	11,892
Home equity loans [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	347	342
Home equity loans [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	295	555
Home equity loans [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	730	564
Auto indirect [Member]
Presentation of credit quality indicators
Total loans	2,821	3,816	8,397
Auto indirect [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	2,821	3,816
Auto indirect [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Auto indirect [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans
Auto indirect [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	2,185	2,949
Auto indirect [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Auto indirect [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	367	531
Auto indirect [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Auto indirect [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	269	336
Auto indirect [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Auto indirect [Member] | Loss [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Other Consumer [Member]
Presentation of credit quality indicators
Total loans	27,115	26,713	23,671
Other Consumer [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	24,826	24,263
Other Consumer [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	2,264	2,418
Other Consumer [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	25	32
Other Consumer [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	24,007	23,154
Other Consumer [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	2,162	2,240
Other Consumer [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	693	958
Other Consumer [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	61	104
Other Consumer [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	126	151
Other Consumer [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	41	74
C&I [Member]
Presentation of credit quality indicators
Total loans	115,483	135,528	128,343
C&I [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	106,275	125,122
C&I [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	779	869
C&I [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	8,429	9,537
C&I [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	96,302	113,595
C&I [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	760	848
C&I [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	4,461	3,224
C&I [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans	19	21
C&I [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	5,512	8,303
Construction [Member] | Residential [Member]
Presentation of credit quality indicators
Total loans	19,521	18,459	22,364
Construction [Member] | Residential [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	14,498	11,877
Construction [Member] | Residential [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Residential [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	5,023	6,582
Construction [Member] | Residential [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	10,487	7,744
Construction [Member] | Residential [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Residential [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	385	285
Construction [Member] | Residential [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Residential [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	3,626	3,848
Construction [Member] | Residential [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Residential [Member] | Loss [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Commercial [Member]
Presentation of credit quality indicators
Total loans	11,046	14,595	16,330
Construction [Member] | Commercial [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	9,909	11,196
Construction [Member] | Commercial [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Commercial [Member] | PCI loans [Member]
Presentation of credit quality indicators
Total loans	1,137	3,399
Construction [Member] | Commercial [Member] | Pass [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	9,200	10,221
Construction [Member] | Commercial [Member] | Pass [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Commercial [Member] | Special mention [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	401	356
Construction [Member] | Commercial [Member] | Special mention [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Commercial [Member] | Substandard [Member] | Originated loans [Member]
Presentation of credit quality indicators
Total loans	308	619
Construction [Member] | Commercial [Member] | Substandard [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans
Construction [Member] | Commercial [Member] | Loss [Member] | PNCI loans [Member]
Presentation of credit quality indicators
Total loans

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Summary of Quarterly Results of Operations (unaudited)

3 Months Ended

Mar. 31, 2013

Summary of Quarterly Results of Operations [Abstract]

Summary of Quarterly Results of Operations (unaudited)

Note 30—Summary of Quarterly Results of Operations (unaudited)

The following table sets forth the results of operations for the quarters of 2012 and 2011, and is unaudited; however, in the opinion of Management, it reflects all adjustments (which include only normal recurring adjustments) necessary to present fairly the summarized results for such periods.

	2013 Quarters Ended
	December 31,	September 30,	June 30,	March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis				$	167
Discount accretion PCI – other					597
Discount accretion PNCI					766
Regular interest Purchased loans					3,074
All other loan interest income					19,468
Total loan interest income					24,072
Debt securities, dividends and interest bearing cash at Banks (not FTE)					1,734
Total interest income					25,806
Interest expense					1,237
Net interest income					24,569
Reversal of provision for loan losses					(1,108	)
Net interest income after provision for loan losses					25,677
Noninterest income					10,218
Noninterest expense					21,601
Income before income taxes					14,294
Income tax expense					5,817
Net income				$	8,477
Per common share:
Net income (diluted)				$	0.53
Dividends				$	0.09

	2012 Quarters Ended
	December 31,		September 30,		June 30,		March 31,
	(In thousands, except per share data)
Interest and dividend income:
Loans:
Discount accretion PCI – cash basis	$	42	$	24	$	108	$	18
Discount accretion PCI – other		979		1,192		886		776
Discount accretion PNCI		841		591		1,391		1,286
Regular interest Purchased loans		3,226		3,251		3,439		3,420
All other loan interest income		19,157		20,472		19,968		19,429
Total loan interest income		24,245		25,530		25,792		24,929
Debt securities, dividends and interest bearing cash at Banks (not FTE)		1,898		1,935		2,152		2,235
Total interest income		26,143		27,465		27,944		27,164
Interest expense		1,372		1,834		2,010		2,128
Net interest income		24,771		25,631		25,934		25,036
Provision for loan losses		1,524		532		3,371		3,996
Net interest income after provision for loan losses		23,247		25,099		22,563		21,040
Noninterest income		10,011		9,127		10,577		8,265
Noninterest expense		25,126		25,590		24,367		22,915
Income before income taxes		8,132		8,636		8,773		6,390
Income tax expense		3,410		3,616		3,452		2,459
Net income	$	4,722	$	5,020	$	5,321	$	3,931
Per common share:
Net income (diluted)	$	0.29	$	0.31	$	0.33	$	0.25
Dividends	$	0.09	$	0.09	$	0.09	$	0.09

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Other Assets

3 Months Ended

Mar. 31, 2013

Other Assets [Abstract]

Other Assets

Note 12 – Other Assets

Other assets were comprised of (in thousands):

	March 31, 2013		December 31, 2012
Deferred tax asset, net	$	28,098	$	28,935
Prepaid expense including FDIC assessment and taxes		4,507		3,455
Software		1,434		1,550
Life insurance proceeds receivable		—		706
Advanced compensation		1,408		1,440
TriCo Capital Trust I & II		1,238		1,238
Miscellaneous other assets		1,799		1,283
Total other assets	$	38,484	$	38,607

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Shareholders' Equity (Details) (USD $)	3 Months Ended			3 Months Ended				3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Aug. 21, 2007	Mar. 31, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Mar. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Mar. 31, 2013 Tri countries bank [Member]	Mar. 31, 2012 Tri countries bank [Member]
Shareholders' Equity (Textual) [Abstract]
Cash dividends received								$ 1,700,000	$ 1,625,000
Company's common stock in lieu of cash to exercise options to purchase shares	20,000			15,647
Shareholders Equity (Additional Textual) [Abstract]
Shareholder Rights Plan	Jun. 25, 2001
Amendment date of Rights Plan	Jul. 08, 2011
Extended maturity date of Rights Plan	Jul. 10, 2021
Percentage of restriction on acquiring outstanding common stock by person or group	15.00%
Portion of market value to acquire common stock or shares	one-half of market value
Initial exercise price of rights	49.00
Redemption price of rights	0.01
Preferred Stock dividend declared for each common share held	1
Common stock, shares outstanding	16,005,191	16,000,838	15,814,662	16,005,191	16,000,838	15,978,958	15,978,958
Repurchase of common stock			500,000
Stock repurchase plan percentage of common stock			3.20%
Repurchased shares outstanding	166,600