10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

________________________________________________________ 

FORM 10-Q

________________________________________________________ 

(Mark One)

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

For the quarterly period ended September 30, 2012.

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

For the transition period from              to             .

Commission File Number 0-20288

 ________________________________________________________ 

COLUMBIA BANKING SYSTEM, INC.

(Exact name of issuer as specified in its charter)

 ________________________________________________________ 

Washington	91-1422237
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)
1301 “A” Street Tacoma, Washington	98402-2156
(Address of principal executive offices)	(Zip Code)

(253) 305-1900

(Issuer’s telephone number, including area code)

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

________________________________________________________ 

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

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

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

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

The number of shares of common stock outstanding at October 31, 2012 was 39,687,880.

TABLE OF CONTENTS

		Page
	PART I — FINANCIAL INFORMATION
Item 1.	Financial Statements (unaudited)
	Consolidated Balance Sheets – September 30, 2012 and December 31, 2011	1
	Consolidated Statements of Income - three and nine months ended September 30, 2012 and 2011	2
	Consolidated Statements of Comprehensive Income - three and nine months ended September 30, 2012 and 2011	3
	Consolidated Statements of Changes in Shareholders’ Equity - nine months ended September 30, 2012 and 2011	4
	Consolidated Statements of Cash Flows - nine months ended September 30, 2012 and 2011	5
	Notes to Unaudited Consolidated Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	33
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	54
Item 4.	Controls and Procedures	54
	PART II — OTHER INFORMATION
Item 1.	Legal Proceedings	55
Item 1A.	Risk Factors	55
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	55
Item 3.	Defaults Upon Senior Securities	55
Item 4.	Mine Safety Disclosures	55
Item 5.	Other Information	55
Item 6.	Exhibits	56
	Signatures	57

i

PART I - FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS

CONSOLIDATED BALANCE SHEETS

Columbia Banking System, Inc.

(Unaudited)

			September 30, 2012		December 31, 2011
ASSETS			(in thousands)
Cash and due from banks			$	98,979	$	91,364
Interest-earning deposits with banks			463,613		202,925
Total cash and cash equivalents			562,592		294,289
Securities available for sale at fair value (amortized cost of $898,434 and $987,560, respectively)			943,624		1,028,110
Federal Home Loan Bank stock at cost			22,017		22,215
Loans held for sale			3,600		2,148
Loans, excluding covered loans, net of unearned income of ($11,523) and ($16,217), respectively			2,476,844		2,348,371
Less: allowance for loan and lease losses			51,527		53,041
Loans, excluding covered loans, net			2,425,317		2,295,330
Covered loans, net of allowance for loan losses of ($29,157) and ($4,944), respectively			429,286		531,929
Total loans, net			2,854,603		2,827,259
FDIC loss-sharing asset			111,677		175,071
Interest receivable			16,587		15,287
Premises and equipment, net			115,506		107,899
Other real estate owned ($16,511 and $28,126 covered by FDIC loss-share, respectively)			27,386		51,019
Goodwill			115,554		115,554
Core deposit intangible, net			16,803		20,166
Other assets			113,100		126,928
Total assets			$	4,903,049	$	4,785,945
LIABILITIES AND SHAREHOLDERS’ EQUITY
Deposits:
Noninterest-bearing			$	1,270,321	$	1,156,610
Interest-bearing			2,668,534		2,658,919
Total deposits			3,938,855		3,815,529
Federal Home Loan Bank advances			113,080		119,009
Securities sold under agreements to repurchase			25,000		25,000
Other liabilities			64,137		67,069
Total liabilities			4,141,072		4,026,607
Commitments and contingent liabilities
Shareholders’ equity:
	September 30, 2012	December 31, 2011
Common stock (no par value)
Authorized shares	63,033	63,033
Issued and outstanding	39,689	39,506	581,001		579,136
Retained earnings			152,498		155,069
Accumulated other comprehensive income			28,478		25,133
Total shareholders’ equity			761,977		759,338
Total liabilities and shareholders’ equity			$	4,903,049	$	4,785,945

See accompanying Notes to unaudited Consolidated Financial Statements.

1

CONSOLIDATED STATEMENTS OF INCOME

Columbia Banking System, Inc.

(Unaudited)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
	(in thousands except per share amounts)
Interest Income
Loans	$	52,600		$	59,655		$	168,875		$	151,446
Taxable securities	4,218			6,037			14,414			16,701
Tax-exempt securities	2,422			2,500			7,442			7,483
Federal funds sold and deposits in banks	229			240			564			722
Total interest income	59,469			68,432			191,295			176,352
Interest Expense
Deposits	1,339			2,642			4,679			8,569
Federal Home Loan Bank advances	745			807			2,229			2,215
Long-term obligations	—			75			—			579
Other borrowings	120			120			358			377
Total interest expense	2,204			3,644			7,266			11,740
Net Interest Income	57,265			64,788			184,029			164,612
Provision for loan and lease losses	2,875			500			11,125			2,650
Provision (recapture) for losses on covered loans	(3,992		)	433			23,381			2,312
Net interest income after provision for loan and lease losses	58,382			63,855			149,523			159,650
Noninterest Income (Loss)
Service charges and other fees	7,609			6,991			22,222			19,746
Gain on bank acquisitions, net of tax	—			1,830			—			1,830
Merchant services fees	2,054			1,952			6,167			5,393
Gain on sale of investment securities, net	—			—			62			—
Bank owned life insurance	747			523			2,177			1,556
Change in FDIC loss-sharing asset	(12,951		)	(10,855		)	(14,787		)	(32,048		)
Other	1,630			1,755			4,650			3,842
Total noninterest income (loss)	(911		)	2,196			20,491			319
Noninterest Expense
Compensation and employee benefits	21,523			21,392			64,484			59,772
Occupancy	4,886			4,815			15,310			13,600
Merchant processing	921			976			2,724			2,764
Advertising and promotion	1,341			1,137			3,342			3,050
Data processing and communications	2,499			2,195			7,263			6,032
Legal and professional fees	2,783			1,957			6,221			4,868
Taxes, licenses and fees	1,124			1,211			3,594			2,983
Regulatory premiums	775			574			2,560			3,553
Net benefit of operation of other real estate owned	(1,069		)	(195		)	(536		)	(423		)
Amortization of intangibles	1,093			1,177			3,362			3,116
FDIC clawback liability	334			1,146			100			3,294
Other	4,726			3,550			16,689			11,836
Total noninterest expense	40,936			39,935			125,113			114,445
Income before income taxes	16,535			26,116			44,901			45,524
Income tax provision	4,655			7,244			12,220			12,241
Net Income	$	11,880		$	18,872		$	32,681		$	33,283
Earnings per common share
Basic	$	0.30		$	0.48		$	0.82		$	0.84
Diluted	$	0.30		$	0.48		$	0.82		$	0.84
Dividends paid per common share	$	0.30		$	0.06		$	0.89		$	0.14
Weighted average number of common shares outstanding	39,289			39,131			39,248			39,092
Weighted average number of diluted common shares outstanding	39,291			39,192			39,251			39,167

See accompanying Notes to unaudited Consolidated Financial Statements.

2

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

Columbia Banking System, Inc.

(Unaudited)

	Three Months Ended
	September 30,
	2012		2011
	(in thousands)
Net income as reported	$	11,880	$	18,872
Unrealized gain from securities:
Net unrealized holding gain from available for sale securities arising during the period, net of tax of ($1,432) and ($2,808)	2,631		4,988
Reclassification adjustment of net gain from sale of available for sale securities included in income, net of tax of $0 and $0	—		—
Net unrealized gain from securities, net of reclassification adjustment	2,631		4,988
Pension plan liability adjustment:
Net unrealized gain from unfunded defined benefit plan liability arising during the period, net of tax of $0 and $0	—		—
Amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax of ($7) and ($8)	13		14
Pension plan liability adjustment, net	13		14
Total comprehensive income	$	14,524	$	23,874

	Nine Months Ended
	September 30,
	2012			2011
	(in thousands)
Net income as reported	$	32,681		$	33,283
Unrealized gain from securities:
Net unrealized holding gain from available for sale securities arising during the period, net of tax of ($1,345) and ($7,733)	3,355			13,768
Reclassification adjustment of net gain from sale of available for sale securities included in income, net of tax of $23 and $0	(39		)	—
Net unrealized gain from securities, net of reclassification adjustment	3,316			13,768
Cash flow hedging instruments:
Reclassification adjustment of net gain included in income, net of tax of $0 and $79	—			(143		)
Net change in cash flow hedging instruments	—			(143		)
Pension plan liability adjustment:
Net unrealized gain from unfunded defined benefit plan liability arising during the period, net of tax of $0 and $154	—			(260		)
Amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax of ($31) and ($23)	29			41
Pension plan liability adjustment, net	29			(219		)
Total comprehensive income	$	36,026		$	46,689

See accompanying Notes to unaudited Consolidated Financial Statements.

3

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

Columbia Banking System, Inc.

(Unaudited)

	Common Stock					Retained Earnings			Accumulated Other Comprehensive Income		Total Shareholders’ Equity
	Number of Shares		Amount
	(in thousands)
Balance at January 1, 2011	39,338		$	576,905		$	117,692		$	12,281	$	706,878
Net income	—		—			33,283			—		33,283
Other comprehensive income	—		—			—			13,406		13,406
Issuance of common stock - stock option and other plans	47		792			—			—		792
Issuance of common stock - restricted stock awards, net of canceled awards	119		1,163			—			—		1,163
Purchase and retirement of common stock	(2	)	(32		)	—			—		(32		)
Cash dividends paid on common stock	—		—			(5,524		)	—		(5,524		)
Balance at September 30, 2011	39,502		$	578,828		$	145,451		$	25,687	$	749,966
Balance at January 1, 2012	39,506		$	579,136		$	155,069		$	25,133	$	759,338
Net income	—		—			32,681			—		32,681
Other comprehensive income	—		—			—			3,345		3,345
Issuance of common stock - stock option and other plans	40		713			—			—		713
Issuance of common stock - restricted stock awards, net of canceled awards	143		1,152			—			—		1,152
Cash dividends paid on common stock	—		—			(35,252		)	—		(35,252		)
Balance at September 30, 2012	39,689		$	581,001		$	152,498		$	28,478	$	761,977

See accompanying Notes to unaudited Consolidated Financial Statements.

4

CONSOLIDATED STATEMENTS OF CASH FLOWS

Columbia Banking System, Inc.

(Unaudited)

	Nine Months Ended September 30,
	2012			2011 (1)
	(in thousands)
Cash Flows From Operating Activities
Net Income	$	32,681		$	33,283
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses and losses on covered loans	34,506			4,962
Stock-based compensation expense	1,152			1,163
Depreciation, amortization and accretion	45,873			35,168
Net realized gain on FDIC-assisted bank acquisitions	—			(1,830		)
Net realized gain on sale of securities	(62		)	—
Net realized gain on sale of other assets	(35		)	(13		)
Net realized gain on sale of other real estate owned	(8,604		)	(7,069		)
Gain on termination of cash flow hedging instruments	—			(222		)
Write-down on other real estate owned	7,001			5,392
Net change in:
Loans held for sale	(1,452		)	(1,814		)
Interest receivable	(1,300		)	(3,384		)
Interest payable	(374		)	(226		)
Other assets	(5,223		)	3,186
Other liabilities	(3,881		)	1,608
Net cash provided by operating activities	100,282			70,204
Cash Flows From Investing Activities
Loans originated and acquired, net of principal collected	(72,180		)	(69,420		)
Purchases of:
Securities available for sale	(87,346		)	(294,678		)
Premises and equipment	(12,404		)	(10,619		)
Proceeds from:
FDIC reimbursement on loss-sharing asset	49,194			51,000
Sales of securities available for sale	3,845			—
Principal repayments and maturities of securities available for sale	163,584			101,071
Disposal of premises and equipment	25			59
Sales of covered other real estate owned	25,202			14,604
Sales of other real estate and other personal property owned	15,069			10,234
Capital improvements on other real estate properties	(11		)	(726		)
Decrease in Small Business Administration secured borrowings	—			(642		)
Net cash acquired in business combinations	—			247,792
Net cash provided by investing activities	84,978			48,675
Cash Flows From Financing Activities
Net increase (decrease) in deposits	123,326			(215,701		)
Proceeds from:
Federal Home Loan Bank advances	—			100
Federal Reserve Bank borrowings	—			100
Exercise of stock options	713			792
Payment for:
Repayment of Federal Home Loan Bank advances	(5,744		)	(39,447		)
Repayment of Federal Reserve Bank borrowings	—			(100		)
Common stock dividends	(35,252		)	(5,524		)
Purchase and retirement of common stock	—			(32		)
Net decrease in other borrowings	—			(25,735		)
Net cash provided by (used in) financing activities	83,043			(285,547		)
Increase (Decrease) in cash and cash equivalents	268,303			(166,668		)
Cash and cash equivalents at beginning of period	294,289			514,130
Cash and cash equivalents at end of period	$	562,592		$	347,462
Supplemental Information:
Cash paid during the year for:
Cash paid for interest	$	7,640		$	11,967
Cash paid for income tax	$	9,605		$	12,870
Non-cash investing activities
Assets acquired in FDIC-assisted acquisitions (excluding cash and cash equivalents)	$	—		$	485,870
Liabilities assumed in FDIC-assisted acquisitions	$	—		$	731,832
Loans transferred to other real estate owned	$	15,024		$	16,505

(1) Reclassified to conform to the current period’s presentation.

See accompanying Notes to unaudited Consolidated Financial Statements.

5

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Columbia Banking System, Inc.

1. Basis of Presentation and Significant Accounting Policies

Basis of Presentation

The interim unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and with instructions to Form 10-Q and Article 10 of Regulation S-X. The consolidated financial statements include the accounts of the Company, and its wholly owned banking subsidiary Columbia Bank (the “Bank”). All intercompany transactions and accounts have been eliminated in consolidation. In the opinion of management, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair statement of the results for the interim periods presented have been included. The results of operations for the nine months ended September 30, 2012 are not necessarily indicative of results to be anticipated for the year ending December 31, 2012. The accompanying interim unaudited consolidated financial statements should be read in conjunction with the financial statements and related notes contained in the Company’s 2011 Annual Report on Form 10-K.

Significant Accounting Policies

The significant accounting policies used in preparation of our consolidated financial statements are disclosed in our 2011 Annual Report on Form 10-K. Other than as discussed below, there have not been any changes in our significant accounting policies compared to those contained in our 2011 Form 10-K disclosure for the year ended December 31, 2011.

2. Accounting Pronouncements Recently Issued

In May 2011, the Financial Accounting Standards Board ("FASB") issued ASU 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. Generally Accepted Accounting Principles (“GAAP”) and International Financial Reporting Standards (“IFRS”) (Topic 820). ASU 2011-04 developed common requirements between GAAP and IFRS for measuring fair value and for disclosing information about fair value measurements. The Company adopted this ASU during the first quarter of 2012 with no impact on the Company's financial condition or results of operations.

In October 2012, the FASB issued ASU 2012-06, 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 clarifies that when a reporting entity recognizes an indemnification asset as a result of a government-assisted acquisition of a financial institution and there is a subsequent change in the amount of cash flows expected to be collected on the indemnified asset, the reporting entity should subsequently measure the indemnification asset on the same basis as the underlying loans by taking into account the contractual limitations of the Loss-Sharing Agreement ("LSA"). For amortization of changes in value, the reporting entity should use the term of the LSA if it is shorter than the term of the acquired loans. ASU 2012-06 is effective for interim and annual periods beginning after December 15, 2012. Early adoption is permitted. The Company is evaluating the impact this ASU will have on its financial condition and results of operations.

6

3. Securities

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

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	544,106	$	19,525	$	(423	)	$	563,208
State and municipal securities	258,130		24,388		(18		)	282,500
U.S. government agency and government-sponsored enterprise securities	92,888		1,618		—			94,506
Other securities	3,310		125		(25		)	3,410
Total	$	898,434	$	45,656	$	(466	)	$	943,624
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	678,631	$	19,323	$	(2,000	)	$	695,954
State and municipal securities	263,075		22,746		(58		)	285,763
U.S. government agency and government-sponsored enterprise securities	42,558		505		—			43,063
Other securities	3,296		64		(30		)	3,330
Total	$	987,560	$	42,638	$	(2,088	)	$	1,028,110

The scheduled contractual maturities of investment securities available for sale at September 30, 2012 are presented as follows:

	September 30, 2012
	Amortized Cost		Fair Value
	(in thousands)
Due within one year	$	23,144	$	26,360
Due after one year through five years	138,171		142,207
Due after five years through ten years	152,525		160,307
Due after ten years	581,285		611,341
Other securities with no stated maturity	3,309		3,409
Total investment securities available-for-sale	$	898,434	$	943,624

The following table summarizes, as of September 30, 2012, the carrying value of securities pledged as collateral to secure public deposits, borrowings and other purposes as permitted or required by law:

	Carrying Amount
	(in thousands)
To Washington and Oregon State to secure public deposits	$	249,626
To Federal Reserve Bank to secure borrowings	51,487
Other securities pledged	46,994
Total securities pledged as collateral	$	348,107

7

The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2012 and December 31, 2011:

	Less than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	33,377	$	(272	)	$	18,445	$	(151	)	$	51,822	(423		)
State and municipal securities	636		(4		)	424		(14		)	1,060		(18		)
Other securities	—		—			975		(25		)	975		(25		)
Total	$	34,013	$	(276	)	$	19,844	$	(190	)	$	53,857	$	(466	)
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	238,875	$	(1,999	)	$	196	$	(1	)	$	239,071	$	(2,000	)
State and municipal securities	3,820		(24		)	950		(34		)	4,770		(58		)
Other securities	—		—			970		(30		)	970		(30		)
Total	$	242,695	$	(2,023	)	$	2,116	$	(65	)	$	244,811	$	(2,088	)

At September 30, 2012, there were 18 U.S. government agency and government-sponsored enterprise mortgage-backed securities & collateralized mortgage obligations securities in an unrealized loss position, of which nine were in a continuous loss position for 12 months or more. The decline in fair value is attributable to changes in interest rates relative to where these investments fall within the yield curve and their individual characteristics. Because the Company does not intend to sell these securities nor does the Company consider it more likely than not that it will be required to sell these securities before the recovery of amortized cost basis, which may be upon maturity, the Company does not consider these investments to be other-than-temporarily impaired at September 30, 2012.

At September 30, 2012, there were three state and municipal government securities in an unrealized loss position, of which two were in a continuous loss position for 12 months or more. The unrealized losses on state and municipal securities were caused by interest rate changes or widening of market spreads subsequent to the purchase of the individual securities. Management monitors published credit ratings of these securities for adverse changes. As of September 30, 2012, none of the rated obligations of state and local government entities held by the Company had an adverse credit rating. Because the credit quality of these securities are investment grade and the Company does not intend to sell these securities nor does the Company consider it more likely than not that it will be required to sell these securities before the recovery of amortized cost basis, which may be upon maturity, the Company does not consider these investments to be other-than-temporarily impaired at September 30, 2012.

At September 30, 2012, there was one other security, a mortgage-backed securities fund in a continuous unrealized loss position for 12 months or more. The decline in fair value is attributable to changes in interest rates and the additional risk premium investors are demanding for investment securities with these characteristics. The Company does not consider this investment to be other-than-temporarily impaired at September 30, 2012 as it has the intent and ability to hold the investment for sufficient time to allow for recovery in the market value.

8

Securities Deemed to be Other-Than-Temporarily Impaired

During 2011, the Company determined that one of its state and municipal securities with a par amount of $3.0 million was other-than-temporarily impaired due to it maturing during the period without repaying the principal amount. The Company determined that the entire amount of the other-than-temporary impairment was credit-related as the present value of the expected future cash flows for the defaulted security was zero. The credit-related other-than-temporary impairment of $3.0 million was recorded in the consolidated statements of income for the year ended December 31, 2011. The Company continues to hold this security at September 30, 2012. Based on information available at September 30, 2012, the the fair value of this security has been increased to the original par amount as the Company was notified that there would be a full repayment. The increase in fair value was recorded to accumulated other comprehensive income in the consolidated balance sheet. Subsequent to quarter end, on October 1, 2012, the Company received full payment on this municipal bond, including accrued interest.

4. Noncovered Loans

Noncovered loans include loans originated through our branch network and loan departments as well as acquired loans that are not subject to FDIC loss-sharing agreements.

The following is an analysis of the noncovered loan portfolio by major types of loans (net of unearned income):

	September 30, 2012			December 31, 2011
Noncovered loans:	(in thousands)
Commercial business	$	1,142,737		$	1,031,721
Real estate:
One-to-four family residential	47,656			64,491
Commercial and multifamily residential	1,035,356			998,165
Total real estate	1,083,012			1,062,656
Real estate construction:
One-to-four family residential	50,381			50,208
Commercial and multifamily residential	51,466			36,768
Total real estate construction	101,847			86,976
Consumer	160,771			183,235
Less: Net unearned income	(11,523		)	(16,217		)
Total noncovered loans, net of unearned income	2,476,844			2,348,371
Less: Allowance for loan and lease losses	(51,527		)	(53,041		)
Total noncovered loans, net	$	2,425,317		$	2,295,330
Loans held for sale	$	3,600		$	2,148

At September 30, 2012 and December 31, 2011, the Company had no material foreign activities. Substantially all of the Company’s loans and unfunded commitments are geographically concentrated in its service areas within the states of Washington and Oregon.

The Company and its banking subsidiary have granted loans to officers and directors of the Company and related interests. These loans are made on the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with unrelated persons and do not involve more than the normal risk of collectability. The aggregate dollar amount of these loans was $13.5 million and $9.0 million at September 30, 2012 and December 31, 2011, respectively. During the first nine months of 2012, advances on related party loans were $6.9 million and repayments totaled $2.4 million.

At September 30, 2012 and December 31, 2011, $441.6 million and $462.0 million of commercial and residential real estate loans were pledged as collateral on Federal Home Loan Bank borrowings. The Company has also pledged $61.7 million and $351.3 million of commercial loans to the Federal Reserve Bank for additional borrowing capacity at September 30, 2012 and December 31, 2011, respectively.

9

The following is an analysis of noncovered, nonaccrual loans as of September 30, 2012 and December 31, 2011:

	September 30, 2012				December 31, 2011
	Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans		Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	12,455	$	21,683	$	10,124	$	16,820
Unsecured	109		109		119		719
Real estate:
One-to-four family residential	2,220		2,617		2,696		3,011
Commercial & multifamily residential
Commercial land	3,647		7,581		3,739		7,230
Income property multifamily	6,628		9,233		6,775		9,265
Owner occupied	9,184		12,598		8,971		10,932
Real estate construction:
One-to-four family residential
Land and acquisition	3,332		7,360		7,799		16,703
Residential construction	2,027		2,648		2,986		5,316
Commercial & multifamily residential
Income property multifamily	—		—		7,067		14,912
Consumer	1,987		2,279		3,207		3,960
Total	$	41,589	$	66,108	$	53,483	$	88,868

10

The following is an aging of the recorded investment of the noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,079,237	$	4,735	$	572	$	—	$	5,307	$	12,455	$	1,096,999
Unsecured	41,414		58		485		—		543		109		42,066
Real estate:
One-to-four family residential	45,173		31		401		—		432		2,220		47,825
Commercial & multifamily residential
Commercial land	39,729		93		420		—		513		3,647		43,889
Income property multifamily	576,969		2,281		—		—		2,281		6,628		585,878
Owner occupied	388,011		1,124		—		—		1,124		9,184		398,319
Real estate construction:
One-to-four family residential
Land and acquisition	14,139		386		1,225		—		1,611		3,332		19,082
Residential construction	27,390		118		1,395		—		1,513		2,027		30,930
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		—		23,974
Consumer	157,901		848		119		—		967		1,987		160,855
Total	$	2,420,964	$	9,674	$	4,617	$	—	$	14,291	$	41,589	$	2,476,844
	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	966,563	$	1,741	$	2,989	$	—	$	4,730	$	10,124	$	981,417
Unsecured	46,880		407		—		—		407		119		47,406
Real estate:
One-to-four family residential	60,764		603		—		—		603		2,696		64,063
Commercial & multifamily residential
Commercial land	46,161		781		—		—		781		3,739		50,681
Income property multifamily	524,225		2,872		121		—		2,993		6,775		533,993
Owner occupied	394,691		829		298		—		1,127		8,971		404,789
Real estate construction:
One-to-four family residential
Land and acquisition	17,249		153		—		—		153		7,799		25,201
Residential construction	19,555		1,390		—		—		1,390		2,986		23,931
Commercial & multifamily residential
Income property multifamily	13,810		—		—		—		—		7,067		20,877
Owner occupied	12,790		—		—		—		—		—		12,790
Consumer	179,753		141		122		—		263		3,207		183,223
Total	$	2,282,441	$	8,917	$	3,530	$	—	$	12,447	$	53,483	$	2,348,371

11

The following is an analysis of impaired loans as of September 30, 2012 and December 31, 2011:

	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,088,513	$	8,486	$	1,498	$	2,086	$	315	$	6,988	$	12,330
Unsecured	41,966		100		100		100		100		—		—
Real estate:
One-to-four family residential	45,849		1,976		353		366		69		1,623		1,832
Commercial & multifamily residential
Commercial land	40,824		3,065		205		214		1		2,860		6,470
Income property multifamily	579,603		6,275		—		—		—		6,275		8,574
Owner occupied	384,110		14,209		1,559		1,657		245		12,650		18,162
Real estate construction:
One-to-four family residential
Land and acquisition	16,263		2,819		—		—		—		2,819		4,813
Residential construction	28,101		2,829		—		—		—		2,829		3,444
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		—
Owner occupied	23,974		—		—		—		—		—		—
Consumer	159,812		1,043		—		—		—		1,043		1,049
Total	$	2,436,042	$	40,802	$	3,715	$	4,423	$	730	$	37,087	$	56,674
	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	972,531	$	8,886	$	2,926	$	2,927	$	954	$	5,960	$	12,109
Unsecured	47,309		97		97		97		97		—		—
Real estate:
One-to-four family residential	61,584		2,479		582		590		96		1,897		2,136
Commercial & multifamily residential
Commercial land	46,882		3,799		—		—		—		3,799		6,773
Income property multifamily	527,362		6,631		687		759		63		5,944		7,700
Owner occupied	390,225		14,564		274		274		185		14,290		18,524
Real estate construction:
One-to-four family residential
Land and acquisition	17,813		7,388		450		948		—		6,938		11,978
Residential construction	18,847		5,084		59		1,509		59		5,025		5,116
Commercial & multifamily residential
Income property multifamily	13,810		7,067		—		—		—		7,067		14,947
Owner occupied	12,790		—		—		—		—		—		—
Consumer	180,930		2,293		151		225		30		2,142		2,639
Total	$	2,290,083	$	58,288	$	5,226	$	7,329	$	1,484	$	53,062	$	81,922

12

The following table provides additional information on impaired loans for the three and nine month periods indicated.

	Three Months Ended September 30,										Nine Months Ended September 30,
	2012					2011					2012				2011
	Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans		Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	10,306	$	6		$	8,400	$	(36	)	$	10,008	$	14	$	17,251	$	16
Unsecured	118		1			194		(1		)	118		5		148		—
Real estate:
One-to-four family residential	2,014		(9		)	2,236		—			2,140		—		2,498		—
Commercial & multifamily residential
Commercial land	3,079		—			3,790		—			3,242		—		4,380		—
Income property multifamily	7,577		55			7,454		84			7,830		60		9,444		526
Owner occupied	13,185		244			15,799		234			13,668		762		15,427		298
Real estate construction:
One-to-four family residential
Land and acquisition	3,213		—			8,202		38			4,876		—		9,368		176
Residential construction	2,792		12			3,713		—			3,539		17		4,397		—
Commercial & multifamily residential
Income property multifamily	1,877		—			6,800		—			3,961		—		7,064		—
Owner occupied	—		—			—		—			—		—		—		—
Consumer	1,045		11			3,824		12			1,359		33		4,276		13
Total	$	45,206	$	320		$	60,412	$	331		$	50,741	$	891	$	74,253	$	1,029

13

There were no Troubled Debt Restructurings ("TDR") during the three and nine months ended September 30, 2012. The following is an analysis of loans classified as TDR during the three and nine months ended September 30, 2011:

	Three months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	1	$	226	$	226
Total	1	$	226	$	226

	Nine months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	3	$	578	$	578
Real estate:
Commercial and multifamily residential:
Income property multifamily	1	623		623
Real estate construction:
One-to-four family residential:
Residential construction	1	36		36
Total	5	$	1,237	$	1,237

The Company's loans classified as TDR are loans that have been modified or the borrower has been granted special concessions due to financial difficulties that, if not for the challenges of the borrower, the Company would not otherwise consider. The Company had commitments to lend $1.2 million and $535 thousand of additional funds on loans classified as TDR as of September 30, 2012 and December 31, 2011, respectively. The TDR modifications or concessions are made to increase the likelihood that these borrowers with financial difficulties will be able to satisfy their debt obligations as amended. Credit losses for loans classified as TDR are measured on the same basis as impaired loans. For impaired loans, an allowance is established when the collateral value less selling costs (or discounted cash flows or observable market price) of the impaired loan is lower than the recorded investment of that loan.The Company did not have any loans modified as TDR within the past twelve months that have defaulted during the nine months ended September 30, 2012.

5. Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit

We maintain an allowance for loan and lease losses (“ALLL”) to absorb losses inherent in the loan portfolio. The size of the ALLL is determined through quarterly assessments of the probable estimated losses in the loan portfolio. Our methodology for making such assessments and determining the adequacy of the ALLL includes the following key elements:

1. General valuation allowance consistent with the Contingencies topic of the FASB Accounting Standards Codification ("ASC").

2. Classified loss reserves on specific relationships. Specific allowances for identified problem loans are determined in accordance with the Receivables topic of the FASB ASC.

3. The unallocated allowance provides for other factors inherent in our loan portfolio that may not have been contemplated in the general and specific components of the allowance. This unallocated amount generally comprises less than 5% of the allowance. The unallocated amount is reviewed quarterly based on trends in credit losses, the results of credit reviews and overall economic trends.

The general valuation allowance is systematically calculated quarterly using quantitative and qualitative information about specific loan classes. The minimum required level an entity develops a methodology to determine its allowance for loan and lease losses is by general categories of loans, such as commercial business, real estate, and consumer. However, the Company’s methodology in determining its allowance for loan and lease losses is prepared in a more detailed manner at the loan class level, utilizing specific categories such as commercial business secured, commercial business unsecured, real estate

14

commercial land, and real estate income property multifamily. The quantitative information uses historical losses from a specific loan class and incorporates the loan’s risk rating migration from origination to the point of loss.

A loan’s risk rating is primarily determined based upon the borrower’s ability to fulfill its debt obligation from a cash flow perspective. In the event there is financial deterioration of the borrower, the borrower’s other sources of income or repayment are also considered, including recent appraisal values for collateral dependent loans. The qualitative information takes into account general economic and business conditions affecting our market place, seasoning of the loan portfolio, duration of the business cycle, etc. to ensure our methodologies reflect the current economic environment and other factors as using historical loss information exclusively may not give an accurate estimate of inherent losses within the Company’s loan portfolio.

When a loan is deemed to be impaired, the Company has to determine if a specific valuation allowance is required for that loan. The specific valuation allowance is a reserve, calculated at the individual loan level, for each loan determined to be both impaired and containing a value less than its recorded investment. The Company measures the impairment based on the discounted expected future cash flows, observable market price, or the fair value of the collateral less selling costs if the loan is collateral dependent or if foreclosure is probable. The specific reserve for each loan is equal to the difference between the recorded investment in the loan and its determined impairment value.

The ALLL is increased by provisions for loan and lease losses (“provision”) charged to expense, and is reduced by loans charged off, net of recoveries. While the Company’s management believes the best information available is used to determine the ALLL, changes in market conditions could result in adjustments to the ALLL, affecting net income, if circumstances differ from the assumptions used in determining the ALLL.

We have used the same methodology for ALLL calculations during the nine months ended September 30, 2012 and 2011. Adjustments to the percentages of the ALLL allocated to loan categories are made based on trends with respect to delinquencies and problem loans within each class of loans. The Company reviews the ALLL quantitative and qualitative methodology on a quarterly basis and makes adjustments when appropriate. The Company continues to strive towards maintaining a conservative approach to credit quality and will continue to prudently adjust our ALLL as necessary in order to maintain adequate reserves. The Company carefully monitors the loan portfolio and continues to emphasize the importance of credit quality.

Once it is determined that all or a portion of a loan balance is uncollectable, and the amount can be reasonably estimated, the uncollectable portion of the loan is charged-off.

15

The following tables show a detailed analysis of the allowance for loan and lease losses for noncovered loans for the three and nine months ended September 30, 2012 and 2011:

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	26,505	$	(3,744	)	$	194	$	3,007		$	25,962	$	315	$	25,647
Unsecured	772		(31		)	83		(56		)	768		100		668
Real estate:
One-to-four family residential	673		(49		)	157		(216		)	565		69		496
Commercial & multifamily residential
Commercial land	270		(55		)	—		207			422		1		421
Income property multifamily	8,726		(436		)	357		387			9,034		—		9,034
Owner occupied	9,037		(101		)	89		(694		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	1,651		(307		)	404		(279		)	1,469		—		1,469
Residential construction	1,197		(18		)	—		3			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	755		—			63		(456		)	362		—		362
Owner occupied	68		—			—		23			91		—		91
Consumer	2,049		(500		)	350		267			2,166		—		2,166
Unallocated	493		—			—		682			1,175		—		1,175
Total	$	52,196	$	(5,241	)	$	1,697	$	2,875		$	51,527	$	730	$	50,797
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	24,745	$	(8,126	)	$	1,184	$	8,159		$	25,962	$	315	$	25,647
Unsecured	689		(52		)	130		1			768		100		668
Real estate:
One-to-four family residential	654		(499		)	202		208			565		69		496
Commercial & multifamily residential
Commercial land	488		(437		)	—		371			422		1		421
Income property multifamily	9,551		(3,959		)	710		2,732			9,034		—		9,034
Owner occupied	9,606		(712		)	628		(1,191		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	2,331		(809		)	827		(880		)	1,469		—		1,469
Residential construction	864		(617		)	79		856			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	665		(93		)	64		(274		)	362		—		362
Owner occupied	35		—			—		56			91		—		91
Consumer	2,719		(1,968		)	809		606			2,166		—		2,166
Unallocated	694		—			—		481			1,175		—		1,175
Total	$	53,041	$	(17,272	)	$	4,633	$	11,125		$	51,527	$	730	$	50,797

16

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	22,320	$	(1,904	)	$	420	$	2,462		$	23,298	$	54	$	23,244
Unsecured	573		(42		)	40		167			738		—		738
Real estate:
One-to-four family residential	847		(53		)	78		70			942		—		942
Commercial & multifamily residential
Commercial land	894		(4		)	—		(130		)	760		—		760
Income property multifamily	14,709		(339		)	10		(5,407		)	8,973		297		8,676
Owner occupied	6,479		(100		)	—		311			6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	2,852		(169		)	63		269			3,015		175		2,840
Residential construction	1,704		(14		)	56		(222		)	1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	43		(145		)	—		157			55		—		55
Owner occupied	34		—			—		(7		)	27		—		27
Consumer	2,748		(2,102		)	70		2,985			3,701		32		3,669
Unallocated	854		—			—		(155		)	699		—		699
Total	$	54,057	$	(4,872	)	$	737	$	500		$	50,422	$	966	$	49,456
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	21,811	$	(6,025	)	$	749	$	6,763		$	23,298	$	54	$	23,244
Unsecured	738		(126		)	408		(282		)	738		—		738
Real estate:
One-to-four family residential	1,100		(717		)	78		481			942		—		942
Commercial & multifamily residential
Commercial land	634		(660		)	—		786			760		—		760
Income property multifamily	15,210		(979		)	65		(5,323		)	8,973		297		8,676
Owner occupied	9,692		(723		)	31		(2,310		)	6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	3,769		(1,347		)	1,831		(1,238		)	3,015		175		2,840
Residential construction	2,292		(1,068		)	92		208			1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	274		(1,710		)	—		1,491			55		—		55
Owner occupied	70		—			—		(43		)	27		—		27
Consumer	2,120		(3,298		)	178		4,701			3,701		32		3,669
Unallocated	3,283		—			—		(2,584		)	699		—		699
Total	$	60,993	$	(16,653	)	$	3,432	$	2,650		$	50,422	$	966	$	49,456

17

Changes in the allowance for unfunded commitments and letters of credit are summarized as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
	(in thousands)
Balance at beginning of period	$	1,665	$	1,460	$	1,535	$	1,165
Net changes in the allowance for unfunded commitments and letters of credit	250		—		380		295
Balance at end of period	$	1,915	$	1,460	$	1,915	$	1,460

Risk Elements

The extension of credit in the form of loans to individuals and businesses is one of our principal commerce activities. Our policies and applicable laws and regulations require risk analysis as well as ongoing portfolio and credit management. We manage our credit risk through lending limit constraints, credit review, approval policies and extensive, ongoing internal monitoring. We also manage credit risk through diversification of the loan portfolio by type of loan, type of industry, type of borrower and by limiting the aggregation of debt to a single borrower.

The monitoring process for the loan portfolio includes periodic reviews of individual loans with risk ratings assigned to each loan. Based on the analysis, loans are given a risk rating of 1-10 based on the following criteria:

• ratings of 1-3 indicate minimal to low credit risk,

• ratings of 4-5 indicate an average credit risk with adequate repayment capacity when prolonged periods of adversity do not exist,

• rating of 6 indicate higher than average risk requiring greater than routine attention by bank personnel due to conditions affecting the borrower, the borrower's industry or economic environment,

• rating of 7 indicate potential weaknesses that, if left uncorrected, may result in deterioration of the repayment prospects for the asset or in the Company's credit position at some future date,

• rating of 8 indicates a loss is possible if loan weaknesses are not corrected,

• rating of 9 indicates loss is highly probable; however, the amount of loss has not yet been determined,

• and a rating of 10 indicates the loan is uncollectable, and when identified is charged-off.

Loans with a risk rating of 1-6 are considered Pass loans and loans with risk ratings of 7, 8, 9 and 10 are considered Special Mention, Substandard, Doubtful and Loss, respectively. Loans with a risk rating of Substandard or worse are reported as classified loans in our allowance for loan and lease losses analysis. We review these loans to assess the ability of our borrowers to service all interest and principal obligations and, as a result, the risk rating may be adjusted accordingly. Risk ratings are reviewed and updated whenever appropriate, with more periodic reviews as the risk and dollar value of loss on the loan increases. In the event full collection of principal and interest is not reasonably assured, the loan is appropriately downgraded and, if warranted, placed on non-accrual status even though the loan may be current as to principal and interest payments. Additionally, we assess whether an impairment of a loan warrants specific reserves or a write-down of the loan.

18

The following is an analysis of the credit quality of our noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	1,024,510	$	18,596	$	53,893	$	—	$	—	$	1,096,999
Unsecured	41,496		26		544		—		—		42,066
Real estate:
One-to-four family residential	45,393		407		2,025		—		—		47,825
Commercial and multifamily residential:
Commercial land	39,842		—		4,047		—		—		43,889
Income property multifamily	557,868		8,496		19,514		—		—		585,878
Owner occupied	356,582		3,940		37,797		—		—		398,319
Real estate construction:
One-to-four family residential:
Land and acquisition	11,467		2,035		5,580		—		—		19,082
Residential construction	25,130		476		5,324		—		—		30,930
Commercial and multifamily residential:
Income property multifamily	27,027		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		23,974
Consumer	154,853		298		5,634		70		—		160,855
Total	$	2,308,142	$	34,274	$	134,358	$	70	$	—	2,476,844
Less:
Allowance for loan losses											51,527
Noncovered loans, net											$	2,425,317

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	908,883	$	18,703	$	53,447	$	384	$	—	$	981,417
Unsecured	46,732		318		356		—		—		47,406
Real estate:
One-to-four family residential	58,517		2,040		3,506		—		—		64,063
Commercial and multifamily residential:
Commercial land	44,166		5		6,510		—		—		50,681
Income property multifamily	492,922		16,002		25,069		—		—		533,993
Owner occupied	351,928		13,590		39,266		—		5		404,789
Real estate construction:
One-to-four family residential:
Land and acquisition	12,349		2,684		10,168		—		—		25,201
Residential construction	16,764		1,649		5,518		—		—		23,931
Commercial and multifamily residential:
Income property multifamily	12,812		—		8,065		—		—		20,877
Owner occupied	12,790		—		—		—		—		12,790
Consumer	176,304		859		6,060		—		—		183,223
Total	$	2,134,167	$	55,850	$	157,965	$	384	$	5	2,348,371
Less:
Allowance for loan losses											53,041
Noncovered loans, net											$	2,295,330

19

6. Changes in Noncovered Other Real Estate Owned

The following tables set forth activity in noncovered OREO for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Noncovered OREO:
Balance at beginning of period	$	13,925		$	22,739		$	22,893		$	30,991
Transfers in, net of write-downs ($24, $0, $24 and $108, respectively)	139			5,287			6,527			8,434
OREO improvements	—			257			11			726
Additional OREO write-downs	(458		)	(644		)	(4,232		)	(5,090		)
Proceeds from sale of OREO property	(3,170		)	(2,359		)	(15,069		)	(10,234		)
Gain (loss) on sale of OREO, net	439			(224		)	745			229
Total noncovered OREO at end of period	$	10,875		$	25,056		$	10,875		$	25,056

7. Covered Assets and FDIC Loss-sharing Asset

Covered Assets

Covered assets consist of loans and OREO acquired in certain FDIC-assisted acquisitions during 2010 and 2011, for which the Bank entered into loss-sharing agreements, whereby the FDIC will cover a substantial portion of future losses on loans (and related unfunded loan commitments), OREO and certain accrued interest on loans during the terms of the agreements. Under the terms of the loss-sharing agreements, the FDIC will absorb 80% of losses and share in 80% of loss recoveries up to specified amounts. With respect to loss-sharing agreements for two acquisitions completed in 2010, after those specified amounts, the FDIC will absorb 95% of losses and share in 95% of loss recoveries. The loss-sharing provisions of the agreements for commercial and single-family mortgage loans are in effect for five and ten years, respectively, from the acquisition dates and the loss recovery provisions are in effect for eight and ten years, respectively, from the acquisition dates.

Ten years and forty-five days after the acquisition dates, the Bank shall pay to the FDIC a clawback in the event the losses from the acquisitions fail to reach stated levels. The amount of the clawback is determined by a formula specified in each individual loss-sharing agreement. As of September 30, 2012, the net present value of the Bank’s estimated clawback liability is $3.8 million, which is included in other liabilities on the consolidated balance sheets.

20

The following is an analysis of our covered loans, net of related allowance for losses as of September 30, 2012 and December 31, 2011:

	September 30, 2012		December 31, 2011
Covered loans:	(dollars in thousands)
Commercial business	$	141,094	$	195,737
Real estate:
One-to-four family residential	62,959		79,328
Commercial and multifamily residential	257,279		311,308
Total real estate	320,238		390,636
Real estate construction:
One-to-four family residential	29,774		54,402
Commercial and multifamily residential	16,694		23,661
Total real estate construction	46,468		78,063
Consumer	46,532		56,877
Subtotal of covered loans	554,332		721,313
Less:
Valuation discount resulting from acquisition accounting	95,889		184,440
Allowance for loan losses	29,157		4,944
Covered loans, net of allowance for loan losses	$	429,286	$	531,929

Acquired impaired loans are accounted for under ASC 310-30 and initially measured at fair value based on expected future cash flows over the life of the loans. Acquired loans that have common risk characteristics are aggregated into pools. The Company re-measures contractual and expected cash flows, at the pool-level, on a quarterly basis.

Contractual cash flows are calculated based upon the loan pool terms after applying a prepayment factor. Calculation of the applied prepayment factor for contractual cash flows is the same as described below for expected cash flows.

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

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

Losses attributable to draws on acquired loans, advanced subsequent to the loan acquisition date, are accounted for under ASC 450-20 and those amounts are also subject to the Company’s internal and external credit review. An allowance for loan losses is estimated in a similar manner as the originated loan portfolio, and a provision for loan losses is charged to earnings as necessary.

The excess of cash flows expected to be collected over the initial fair value of acquired loans is referred to as the accretable yield and is accreted into interest income over the estimated life of the acquired loans using the effective yield method. Other adjustments to the accretable yield include changes in the estimated remaining life of the acquired loans, changes in expected cash flows and changes of indices for acquired loans with variable interest rates.

21

The following table shows the changes in accretable yield for acquired loans for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	214,061		$	314,333		$	259,669		$	256,572
Accretion	(19,571		)	(23,608		)	(69,045		)	(60,369		)
Disposals	(3,146		)	(8,594		)	(8,218		)	(24,134		)
Reclassifications from (to) nonaccretable difference	(2,861		)	69			6,077			50,320
Balance at end of period	$	188,483		$	282,200		$	188,483		$	282,200

During the nine months ended September 30, 2012, the Company recorded a provision expense for losses on covered loans of $23.4 million. Of this amount, $26.0 million was impairment expense calculated in accordance with ASC 310-30 and $2.6 million was a negative provision to adjust the allowance for loss calculated under ASC 450-20 for draws on acquired loans. The impact to earnings of the $23.4 million of provision expense for covered loans was partially offset through noninterest income by a $18.7 million increase in the FDIC loss-sharing asset.

The changes in the ALLL for covered loans for the three and nine months ended September 30, 2012 and 2011 are summarized as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	31,784		$	7,948		$	4,944		$	6,055
Loans charged off	(977		)	(312		)	(2,574		)	(368		)
Recoveries	2,342			258			3,406			328
Provision (recapture) charged to expense	(3,992		)	433			23,381			2,312
Balance at end of period	$	29,157		$	8,327		$	29,157		$	8,327

22

The following is an analysis of the credit quality of our covered loan portfolio as of December 31, 2012 and 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Covered loans:
Commercial business:
Secured	$	81,399	$	1,990	$	50,526	$	—	$	—	$	133,915
Unsecured	4,899		—		2,280		—		—		7,179
Real estate:
One-to-four family residential	47,369		1,493		14,097		—		—		62,959
Commercial and multifamily residential:
Commercial land	17,464		—		13,259		—		—		30,723
Income property multifamily	92,829		3,337		23,171		—		—		119,337
Owner occupied	87,809		3,229		16,181		—		—		107,219
Real estate construction:
One-to-four family residential:
Land and acquisition	4,733		1,422		8,258		—		—		14,413
Residential construction	6,504		—		8,857		—		—		15,361
Commercial and multifamily residential:
Income property multifamily	4,702		—		8,652		—		—		13,354
Owner occupied	1,114		—		2,226		—		—		3,340
Consumer	40,940		177		5,415		—		—		46,532
Total	$	389,762	$	11,648	$	152,922	$	—	$	—	554,332
Less:
Valuation discount resulting from acquisition accounting											95,889
Allowance for loan losses											29,157
Covered loans, net											$	429,286

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Covered loans:
Commercial business:
Secured	$	103,472	$	6,239	$	73,793	$	1,209	$	1	$	184,714
Unsecured	7,608		741		2,659		15		—		11,023
Real estate:
One-to-four family residential	56,948		2,210		20,170		—		—		79,328
Commercial and multifamily residential:
Commercial land	21,947		1,213		21,027		—		—		44,187
Income property multifamily	109,339		4,013		35,567		—		—		148,919
Owner occupied	89,555		3,673		24,974		—		—		118,202
Real estate construction:
One-to-four family residential:
Land and acquisition	4,834		1,535		17,646		1,289		—		25,304
Residential construction	8,264		371		20,463		—		—		29,098
Commercial and multifamily residential:
Income property multifamily	2,928		2,779		13,657		—		—		19,364
Owner occupied	1,142		—		3,155		—		—		4,297
Consumer	48,067		255		8,150		357		48		56,877
Total	$	454,104	$	23,029	$	241,261	$	2,870	$	49	721,313
Less:
Valuation discount resulting from acquisition accounting											184,440
Allowance for loan losses											4,944
Covered loans, net											$	531,929

23

The following table sets forth activity in covered OREO at carrying value for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Covered OREO:
Balance at beginning of period	$	19,079		$	23,730		$	28,126		$	14,443
Established through acquisitions	—			—			—			10,387
Transfers in	3,096			2,979			8,497			8,071
Additional OREO write-downs	(730		)	(189		)	(2,769		)	(302		)
Proceeds from sale of OREO property	(6,822		)	(3,523		)	(25,202		)	(14,604		)
Gain on sale of OREO	1,888			1,838			7,859			6,840
Total covered OREO at end of period	$	16,511		$	24,835		$	16,511		$	24,835

The covered OREO is covered by loss-sharing agreements with the FDIC in which the FDIC will share in 80% of additional write-downs, as well as gains and losses on covered OREO sales, or 95%, if applicable, of additional write-downs, as wells as gains and losses on covered OREO sales if the minimum loss share thresholds are met.

FDIC Loss-sharing Asset

At September 30, 2012, the FDIC loss-sharing asset is comprised of a $101.8 million FDIC indemnification asset and a $9.9 million FDIC receivable. The indemnification represents the cash flows the Company expects to collect from the FDIC under the loss-sharing agreements and the FDIC receivable represents the reimbursable amounts from the FDIC that have not yet been received.

For covered loans, the Company remeasures contractual and expected cash flows on a quarterly basis. When the quarterly remeasurement process results in a decrease in expected cash flows due to an increase in expected credit losses, impairment is recorded. As a result of this impairment, the indemnification asset is increased to reflect anticipated future cash to be received from the FDIC. Consistent with the loss-sharing agreements between the Company and the FDIC, the amount of the increase to the indemnification asset is measured as 80% of the resulting impairment.

Alternatively, when the quarterly remeasurement results in an increase in expected future cash flows due to a decrease in expected credit losses, the nonaccretable difference decreases and the effective yield of the related loan portfolio is increased. As a result of the improved expected cash flows, the indemnification asset would be reduced first by the amount of any impairment previously recorded and, second, by increased amortization over the remaining life of the related loss-sharing agreement.

24

The following table shows a detailed analysis of the FDIC loss-sharing asset for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	140,003		$	209,694		$	175,071		$	205,991
Adjustments not reflected in income
Established through acquisitions	—			—			—			68,734
Cash received from the FDIC	(14,881		)	(6,108		)	(49,194		)	(51,000		)
FDIC reimbursable losses, net	(494		)	1,138			587			2,192
Adjustments reflected in income
Amortization, net	(9,694		)	(10,928		)	(33,418		)	(32,556		)
Loan impairment (recapture)	(3,193		)	921			18,705			2,424
Sale of other real estate	(1,315		)	(1,471		)	(4,881		)	(3,487		)
Write-downs of other real estate	1,141			467			4,503			911
Other	110			156			304			660
Balance at end of period	$	111,677		$	193,869		$	111,677		$	193,869

8. Goodwill and Intangible Assets

In accordance with the Intangibles – Goodwill and Other topic of the FASB ASC, goodwill is not amortized but is reviewed for potential impairment at the reporting unit level. Management analyzes its goodwill for impairment on an annual basis and between annual tests in certain circumstances such as material adverse changes in legal, business, regulatory and economic factors. An impairment loss is recorded to the extent that the carrying amount of goodwill exceeds its implied fair value.

During the third quarter of 2012, the Company changed its annual goodwill impairment testing date from September 30 to July 31, which did not result in any delay, acceleration or avoidance of impairment. The Company believes this date for the annual goodwill impairment test is preferable because it provides more time to complete the impairment testing as it occurs earlier within a quarterly reporting cycle. The additional time is preferable as it would allow more time before the quarterly reporting deadline to estimate the implied fair value of goodwill for comparison with its carrying value, if necessary. This change was applied prospectively beginning on July 31, 2012. Retrospective application to prior periods is impracticable as the Company is unable to objectively determine, without the use of hindsight, the assumptions that would have been used in those earlier periods. In connection with this change, the Company performed an impairment assessment as of July 31, 2012 and concluded that there was no impairment.

The core deposit intangible (“CDI”) is evaluated for impairment if events and circumstances indicate a possible impairment. The CDI is amortized on an accelerated basis over an estimated life of approximately 10 years.

25

The following table sets forth activity for goodwill and intangible assets for the period:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Total goodwill at beginning of period	$	115,554		$	118,434		$	115,554		$	109,639
Established through acquisitions	—			—			—			8,795
Total goodwill at end of period	115,554			118,434			115,554			118,434
Core deposit intangible:
Gross core deposit intangible balance at beginning of period	32,441			28,497			32,441			26,651
Accumulated amortization at beginning of period	(14,545		)	(9,894		)	(12,275		)	(7,955		)
Core deposit intangible, net at beginning of period	17,896			18,603			20,166			18,696
Established through acquisitions	—			3,943			—			5,789
CDI current period amortization	(1,093		)	(1,177		)	(3,363		)	(3,116		)
Total core deposit intangible, net at end of period	16,803			21,369			16,803			21,369
Total goodwill and intangible assets at end of period	$	132,357		$	139,803		$	132,357		$	139,803

The following table provides the estimated future amortization expense of core deposit intangibles for the remaining three months ending December 31, 2012 and the succeeding four years:

	Amount
	(in thousands)
Year ending December 31,
2012	$	1,082
2013	3,964
2014	3,397
2015	2,645
2016	2,184

9. Shareholders’ Equity

On January 26, 2012 the Company declared a quarterly cash dividend of $0.08 per share and a special, one-time cash dividend of $0.29 per share, both payable on February 22, 2012 to shareholders of record at the close of business February 8, 2012. On April 25, 2012 the Company declared a quarterly cash dividend of $0.08 per share and a special one-time cash dividend of $0.14 per share, payable on May 23, 2012 to shareholders of record at the close of business May 9, 2012. On July 26, 2012, the Company declared a quarterly cash dividend of $0.09 per share and a special one-time cash dividend of $0.21 per share, payable on August 22, 2012 to shareholders of record at the close of business August 8, 2012. Subsequent to quarter end, on October 25, 2012, the Company declared a quarterly cash dividend of $0.09 per share payable on November 21, 2012 to shareholders of record at the close of business November 7, 2012. The payment of cash dividends is subject to Federal regulatory requirements for capital levels and other restrictions. In addition, the cash dividends paid by Columbia Bank to the Company are subject to both Federal and State regulatory requirements.

26

10. Derivatives and Hedging Activities

The Company periodically enters into certain commercial loan interest rate swap agreements in order to provide commercial loan customers the ability to convert from variable to fixed interest rates. Under these agreements, the Company enters into a variable-rate loan agreement with a customer in addition to a swap agreement. This swap agreement effectively converts the customer’s variable rate loan into a fixed rate. The Company then enters into a corresponding swap agreement with a third party in order to offset its exposure on the variable and fixed components of the customer agreement. As the interest rate swap agreements with the customers and third parties are not designated as hedges under the Derivatives and Hedging topic of the FASB ASC, the instruments are marked to market in earnings. The notional amount of open interest rate swap agreements at September 30, 2012 and December 31, 2011 was $164.3 million and $160.3 million, respectively. There was no impact to the statement of operations for the three or nine month periods ending September 30, 2012 and 2011.

The following table presents the fair value of derivatives not designated as hedging instruments at September 30, 2012 and December 31, 2011:

Asset Derivatives

Liability Derivatives

September 30, 2012

December 31, 2011

September 30, 2012

December 31, 2011

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

(in thousands)

Interest rate contracts

Other assets

$

16,375

Other assets

$

16,302

Other liabilities

$

16,375

Other liabilities

$

16,302

11. Fair Value Accounting and Measurement

The Fair Value Measurements and Disclosures topic of the FASB ASC defines fair value, establishes a consistent framework for measuring fair value and expands disclosure requirements about fair value. We hold fixed and variable rate interest-bearing securities, investments in marketable equity securities and certain other financial instruments, which are carried at fair value. Fair value is determined based upon quoted prices when available or through the use of alternative approaches, such as matrix or model pricing, when market quotes are not readily accessible or available.

The valuation techniques are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our own market assumptions. These two types of inputs create the following fair value hierarchy:

Level 1 – Quoted prices for identical instruments in active markets that are accessible at the measurement date.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3 – Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable.

Fair values are determined as follows:

Securities at fair value are priced using a combination of market activity, industry recognized information sources, yield curves, discounted cash flow models and other factors. These fair value calculations are considered a Level 2 input method under the provisions of the Fair Value Measurements and Disclosures topic of the FASB ASC.

Interest rate contract positions are valued in models, which use as their basis, readily observable market parameters and are classified within Level 2 of the valuation hierarchy.

27

The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis at September 30, 2012 and December 31, 2011 by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
September 30, 2012	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	563,208	$	—	$	563,208	$	—
State and municipal debt securities	282,500		—		279,550		2,950
U.S. government agency and government-sponsored enterprise securities	94,506		—		94,506		—
Other securities	3,410		—		3,410		—
Total securities available for sale	$	943,624	$	—	$	940,674	$	2,950
Other assets (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
December 31, 2011	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	695,954	$	—	$	695,954	$	—
State and municipal debt securities	285,763		—		285,763		—
U.S. government agency and government-sponsored enterprise securities	43,063		—		43,063		—
Other securities	3,330		—		3,330		—
Total securities available for sale	$	1,028,110	$	—	$	1,028,110	$	—
Other assets (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—

There were no transfers between Level 1 and Level 2 of the valuation hierarchy during the nine month period ended September 30, 2012.

28

At each reporting period, all assets and liabilities for which the fair value measurement is based on significant unobservable inputs are classified as Level 3. Activity in Level 3 assets measured at fair value on a recurring basis for the three and nine months ended September 30, 2012 is summarized in the following table:

	Three months ended September 30, 2012		Nine months ended September 30, 2012
Securities available for sale - State and municipal securities:	(in thousands)
Beginning balance	$	—	$	—
Unrealized gain recorded to accumulated other comprehensive income (1)	2,950		2,950
Ending Balance	$	2,950	$	2,950

_____________

(1) Based on information available at September 30, 2012, the the fair value of a security that had been fully impaired was increased to the original par amount as the Company was notified that there would be a full repayment. See Note 3 "Securities" for more information.

Nonrecurring Measurements

Certain assets and liabilities are measured at fair value on a nonrecurring basis after initial recognition such as loans measured for impairment and OREO. The following methods were used to estimate the fair value of each such class of financial instrument:

Impaired loans—A loan is considered to be impaired when, based on current information and events, it is probable that the Company will be unable to collect all amounts due (both interest and principal) according to the contractual terms of the loan agreement. Impaired loans are measured based on the present value of expected future cash flows discounted at the loan’s effective interest rate, a loan’s observable market price, or the fair market value of the collateral if the loan is a collateral-dependent loan. Generally, the Company utilizes the fair market value of the collateral to measure impairment. The impairment evaluations are performed in conjunction with the ALLL process on a quarterly basis by officers in the Special Credits group, which reports to the Chief Credit Officer. The Real Estate Appraisal Services Department ("REASD"), which also reports to the Chief Credit Officer, is responsible for obtaining appraisals from third-parties or performing internal evaluations. If an appraisal is obtained from a third-party, the REASD reviews the appraisal to evaluate the adequacy of the appraisal report, including its scope, methods, accuracy, and reasonableness.

Other real estate owned and Other personal property owned—OREO and OPPO are real and personal property that the Bank has taken ownership of in partial or full satisfaction of a loan or loans. OREO and OPPO are generally measured based on the item's fair market value as indicated by an appraisal or a letter of intent to purchase. OREO and OPPO are recorded at the lower of carrying amount or fair value less estimated costs to sell. This amount becomes the property’s new basis. Any write-downs based on the property fair value less estimated cost to sell at the date of acquisition are charged to the allowance for loan and lease losses. Management periodically reviews OREO and OPPO in an effort to ensure the property is carried at the lower of its new basis or fair value, net of estimated costs to sell. Any write-downs subsequent to acquisition are charged to earnings. The initial and subsequent write-down evaluations are performed by officers in the Special Credits group, which reports to the Chief Credit Officer. The REASD obtains appraisals from third-parties for OREO and OPPO and performs internal evaluations. If an appraisal is obtained from a third-party, the REASD reviews the appraisal to evaluate the adequacy of the appraisal report, including its scope, methods, accuracy, and reasonableness.

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The following tables set forth the Company's assets that were measured using fair value estimates on a nonrecurring basis at September 30, 2012 and 2011.

	Fair value at September 30, 2012		Fair Value Measurements at Reporting Date Using						Gains (Losses) During the Three Months Ended September 30, 2012			Losses During the Nine Months Ended September 30, 2012
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	6,094	$	—	$	—	$	6,094	$	509		$	(3,377	)
Noncovered OREO	1,807		—		—		1,807		(458		)	(3,117		)
Covered OREO	1,021		—		—		1,021		(481		)	(1,025		)
Noncovered OPPO	—		—		—		—		—			(1,990		)
	$	8,922	$	—	$	—	$	8,922	$	(430	)	$	(9,509	)

	Fair value  at September 30, 2011		Fair Value Measurements at Reporting Date Using						Losses During the Three Months Ended September 30, 2011			Losses During the Nine Months Ended September 30, 2011
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	3,717	$	—	$	—	$	3,717	$	(735	)	$	(4,707	)
Noncovered OREO	2,876		—		—		2,876		(573		)	(3,120		)
Covered OREO	455		—		—		455		(204		)	(280		)
Noncovered OPPO	—		—		—		—		—			(185		)
	$	7,048	$	—	$	—	$	7,048	$	(1,512	)	$	(8,292	)

The losses on impaired loans disclosed above represent the amount of the specific reserve and/or charge-offs during the period applicable to loans held at period end. The amount of the specific reserve is included in the allowance for loan and lease losses. The losses on OREO and OPPO disclosed above represent the write-downs taken at foreclosure that were charged to the allowance for loan and lease losses, as well as subsequent write-downs from updated appraisals that were charged to earnings.

Quantitative information about Level 3 fair value measurements

The range and weighted-average of the significant unobservable inputs used to fair value our Level 3 nonrecurring assets, along with the valuation techniques used, are shown in the following table:

	Fair value at September 30, 2012		Valuation Technique	Unobservable Input	Range (Weighted Average) (1)
	(dollars in thousands)
Impaired loans - real estate collateral	$	4,148	Market	Adjustment to Appraisal Value	N/A (2)
Impaired loans - other collateral (3)	1,946		Market	Adjustment to stated value	0% - 70% (33%)
Noncovered OREO	1,807		Market	Adjustment to Appraisal Value	N/A (2)
Covered OREO	1,021		Market	Adjustment to Appraisal Value	N/A (2)
Noncovered OPPO	—		Market	Adjustment to Appraisal Value	N/A (2)
(1) Discount applied to appraisal value, letter of intent to purchase, or stated value (in the case of accounts receivable and inventory).
(2) Quantitative disclosures are not provided for impaired loans collateralized by real estate, noncovered OREO, covered OREO and noncovered OPPO because there were no adjustments made to the appraisal value during the current period.
(3) Other collateral consists of accounts receivable and inventory.

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Fair value of financial instruments

Because broadly traded markets do not exist for most of the Company’s financial instruments, the fair value calculations attempt to incorporate the effect of current market conditions at a specific time. These determinations are subjective in nature, involve uncertainties and matters of significant judgment and do not include tax ramifications; therefore, the results cannot be determined with precision, substantiated by comparison to independent markets and may not be realized in an actual sale or immediate settlement of the instruments. There may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results. For all of these reasons, the aggregation of the fair value calculations presented herein do not represent, and should not be construed to represent, the underlying value of the Company.

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

Cash and due from banks and interest-earning deposits with banks—The fair value of financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value that approximates carrying value (Level 1).

Securities available for sale—Securities at fair value are priced using a combination of market activity, industry recognized information sources, yield curves, discounted cash flow models and other factors (Level 2).

Federal Home Loan Bank stock—The fair value is based upon the par value of the stock which equates to its carrying value (Level 2).

Loans—Loans are not recorded at fair value on a recurring basis. Nonrecurring fair value adjustments are periodically recorded on impaired loans that are measured for impairment based on the fair value of collateral. For most performing loans, fair value is estimated using expected duration and lending rates that would have been offered on September 30, 2012 for loans which mirror the attributes of the loans with similar rate structures and average maturities. The fair values resulting from these calculations are reduced by an amount representing the change in estimated fair value attributable to changes in borrowers’ credit quality since the loans were originated. For nonperforming loans, fair value is estimated by applying a valuation discount based upon loan sales data from the FDIC. For covered loans, fair value is estimated by discounting the expected future cash flows using a lending rate that would have been offered on September 30, 2012 (Level 3).

FDIC loss-sharing asset —The fair value of the FDIC loss-sharing asset is estimated based on discounting the expected future cash flows using an estimated market rate (Level 3).

Interest rate contracts—Interest rate swap positions are valued in models, which use as their basis, readily observable market parameters (Level 2).

Deposits—For deposits with no contractual maturity, the fair value is equal to the carrying value (Level 1). The fair value of fixed maturity deposits is based on discounted cash flows using the difference between the deposit rate and current market rates for deposits of similar remaining maturities (Level 2).

FHLB advances—The fair value of Federal Home Loan Bank of Seattle (the “FHLB”) advances is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Repurchase Agreements—The fair value of securities sold under agreement to repurchase is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Other Financial Instruments—The majority of our commitments to extend credit and standby letters of credit carry current market interest rates if converted to loans, as such, carrying value is assumed to equal fair value.

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The following table summarizes carrying amounts and estimated fair values of selected financial instruments as well as assumptions used by the Company in estimating fair value:

	September 30, 2012										December 31, 2011
	Carrying Amount		Fair Value		Level 1		Level 2		Level 3		Carrying Amount		Fair Value
	(in thousands)
Assets
Cash and due from banks	$	98,979	$	98,979	$	98,979	$	—	$	—	$	91,364	$	91,364
Interest-earning deposits with banks	463,613		463,613		463,613		—		—		202,925		202,925
Securities available for sale	943,624		943,624		—		940,674		2,950		1,028,110		1,028,110
FHLB stock	22,017		22,017		—		22,017		—		22,215		22,215
Loans held for sale	3,600		3,600		—		3,600		—		2,148		2,148
Loans	2,854,603		2,944,623		—		—		2,944,623		2,827,259		2,957,345
FDIC loss-sharing asset	111,677		35,518		—		—		35,518		175,071		71,788
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302
Liabilities
Deposits	$	3,938,855	$	3,939,661	$	3,421,361	$	518,300	$	—	$	3,815,529	$	3,817,013
FHLB Advances	113,080		113,206		—		113,206		—		119,009		119,849
Repurchase agreements	25,000		26,220		—		26,220		—		25,000		26,580
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302

12. Earnings per Common Share

Basic Earnings per Share (“EPS”) is computed by dividing income applicable to common shareholders by the weighted average number of common shares outstanding for the period. Common shares outstanding include common stock and vested restricted stock awards where recipients have satisfied the vesting terms. Diluted EPS reflects the assumed conversion of all dilutive securities, applying the treasury stock method. The Company calculates earnings per share using the two-class method as described in the Earnings per Share topic of the FASB ASC.

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
	(in thousands except per share)
Basic EPS:
Net income	$	11,880		$	18,872		$	32,681		$	33,283
Less: Earnings allocated to participating securities	(113		)	(177		)	(336		)	(311		)
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Basic earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Diluted EPS:
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Dilutive effect of equity awards	2			61			3			75
Weighted average diluted common shares outstanding	39,291			39,192			39,251			39,167
Diluted earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive	53			75			46			62

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

This discussion should be read in conjunction with the unaudited consolidated financial statements of Columbia Banking System, Inc. (referred to in this report as “we”, “our”, and “the Company”) and notes thereto presented elsewhere in this report and with the December 31, 2011 audited consolidated financial statements and its accompanying notes included in our Annual Report on Form 10-K. In the following discussion, unless otherwise noted, references to increases or decreases in average balances in items of income and expense for a particular period and balances at a particular date refer to the comparison with corresponding amounts for the period or date one year earlier.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This quarterly report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, but are not limited to, statements about our plans, objectives, expectations and intentions that are not historical facts, and other statements identified by words such as “expects,” “anticipates,” “intends,” “plans,” “believes,” “should,” “projects,” “seeks,” “estimates” or words of similar meaning. These forward-looking statements are based on current beliefs and expectations of management and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control. In addition, these forward-looking statements are subject to assumptions with respect to future business strategies and decisions that are subject to change. In addition to the factors set forth in the sections “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this report, the following factors, among others, could cause actual results to differ materially from the anticipated results:

• local and national economic conditions could be less favorable than expected or could have a more direct and pronounced effect on us than expected and adversely affect our ability to continue internal growth at historical rates and maintain the quality of our earning assets;

• the local housing/real estate markets where we operate and make loans could continue to decline;

• the risks presented by a continued challenging economy, which could adversely affect credit quality, collateral values, including real estate collateral, investment values, liquidity and loan originations and loan portfolio delinquency rates;

• the efficiencies and enhanced financial and operating performance we expect to realize from investments in personnel, acquisitions and infrastructure may not be realized;

• the possibility that the proposed merger with West Coast Bancorp (“West Coast”) does not close when expected or at all because required regulatory, shareholder or other approvals and other conditions to closing are not received or satisfied on a timely basis or at all;

• the effect on the trading price of our stock if the merger with West Coast is not completed;

• the ability to successfully combine Columbia and the West Coast organizations;

• interest rate changes could significantly reduce net interest income and negatively affect funding sources;

• projected business increases following strategic expansion or opening of new branches could be lower than expected;

• our reliance on FHLB advances and FRB borrowings as additional sources of short and long-term funding;

• changes in the scope and cost of FDIC insurance and other coverages;

• the impact of FDIC-assisted loans on our earnings;

• changes in accounting principles, policies, and guidelines applicable to bank holding companies and banking;

• competition among financial institutions could increase significantly;

• the goodwill we have recorded in connection with acquisitions could become impaired, which may have an adverse impact on our earnings and capital;

• the reputation of the financial services industry could deteriorate, which could adversely affect our ability to access markets for funding and to acquire and retain customers;

• the terms and costs of the numerous actions taken by the Federal Reserve, the U.S. Congress, the Treasury, the FDIC, the SEC and others in response to the liquidity and credit crisis, or the failure of these actions to help stabilize the financial markets, asset prices, market liquidity, or worsening of current financial market and economic conditions could materially and adversely affect our business, financial condition, results of operations, and the trading price of our common stock;

• our ability to effectively manage credit risk, interest rate risk, market risk, operational risk, legal risk, liquidity risk and regulatory and compliance risk; and

• our profitability measures could be adversely affected if we are unable to effectively manage our capital.

You should take into account that forward-looking statements speak only as of the date of this report. Given the described uncertainties and risks, we cannot guarantee our future performance or results of operations and you should not place undue reliance on these forward-looking statements. We undertake no obligation to update or revise any forward-looking statements,

33

whether as a result of new information, future events or otherwise, except as required under federal securities laws.

CRITICAL ACCOUNTING POLICIES

Management has identified the accounting policies related to the allowance for loan and lease losses, business combinations, acquired impaired loans, FDIC loss sharing asset and the valuation and recoverability of goodwill as critical to an understanding of our financial statements. These policies and related estimates are discussed in “Item 7. Management Discussion and Analysis of Financial Condition and Results of Operation” under the headings “Allowance for Loan and Lease Losses”, “Business Combinations”, “Acquired Impaired Loans”, "FDIC Loss Sharing Asset” and “Valuation and Recoverability of Goodwill” in our 2011 Annual Report on Form 10-K. There have not been any material changes other than the change described below in our critical accounting policies as compared to those disclosed in our 2011 Annual Report on Form 10-K.

During the third quarter of 2012, we changed our annual goodwill impairment testing date from September 30 to July 31. In connection with this change, we performed an impairment assessment as of July 31, 2012 and concluded that there was no impairment.

RESULTS OF OPERATIONS

Our results of operations are dependent to a large degree on our net interest income. We also generate noninterest income through service charges and fees, merchant services fees, and bank owned life insurance. Our operating expenses consist primarily of compensation and employee benefits, occupancy, merchant card processing, data processing and legal and professional fees. Like most financial institutions, our interest income and cost of funds are affected significantly by general economic conditions, particularly changes in market interest rates, and by government policies and actions of regulatory authorities.

Earnings Summary

The Company reported net income for the third quarter of $11.9 million or $0.30 per diluted common share, compared to $18.9 million or $0.48 per diluted common share for the third quarter of 2011. For the first nine months of 2012, the Company reported net income of $32.7 million, or $0.82 per diluted common share, compared to $33.3 million, or $0.84 per diluted common share for the first nine months of 2011.

The decrease in net income from the third quarter of 2011 was attributable to an increase in provision for loan losses on noncovered loans as well as a decrease in the earnings impact of acquired loans noted below. The decrease in net income from the first nine months of 2011 was due to an increase in provision for loan losses on noncovered loans partially offset by an increase in the earnings impact of acquired loans noted below.

Contributing to the change in earnings from the prior year periods was the impact on earnings associated with certain of the Company's acquired loan portfolios from three Federal Deposit Insurance Corporation ("FDIC") assisted transactions completed in May and August 2011. To date, the Company has not completed any additional FDIC-assisted transactions during 2012. A summary of the 2011 acquisitions as well as significant assets acquired and liabilities assumed is as follows:

The Company acquired a portion of the banking operations of Colfax, Washington-based Bank of Whitman pursuant to a purchase and assumption agreement with the FDIC on August 5, 2011. The Company acquired tangible assets with a fair value of $433.6 million, including $200.0 million of loans (net of acquisition accounting adjustments) and assumed $401.1 million in deposits.

The Company acquired the banking operations of Snohomish, Washington-based First Heritage Bank pursuant to a purchase and assumption agreement with the FDIC on May 27, 2011. The Company acquired tangible assets with a fair value of $157.8 million, including $81.9 million of loans (net of acquisition accounting adjustments) and assumed $159.5 million in deposits.

The Company acquired the banking operations of Burlington, Washington-based Summit Bank pursuant to a purchase and assumption agreement with the FDIC on May 20, 2011. The Company acquired tangible assets with a fair value of $127.7 million, including $71.5 million of loans (net of acquisition accounting adjustments) and assumed $123.3 million in deposits.

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The following table illustrates the significant impact to earnings associated with the Company's acquired loan portfolios for the periods indicated:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	( in thousands)
Incremental accretion income on acquired loans	$	11,873		$	19,700		$	49,306		$	40,954
(Provision) recapture for losses on covered loans	3,992			(433		)	(23,381		)	(2,312		)
Change in FDIC-loss sharing asset	(12,951		)	(10,855		)	(14,787		)	(32,048		)
FDIC clawback liability expense	(334		)	(1,146		)	(100		)	(3,294		)
Pre-tax earnings impact of acquisition accounting	$	2,580		$	7,266		$	11,038		$	3,300

Comparison of current quarter to prior year period

Revenue (net interest income plus noninterest income) for the three months ended September 30, 2012 was $56.4 million, 16% less than the same period in 2011. The decrease in revenue was primarily a result of decreased net interest income arising from lower yields from assets acquired in three FDIC-assisted transactions completed in May and August 2011. For a more complete discussion of this topic, please refer to the net interest income section contained in the ensuing pages. Also contributing to the decrease in revenue was the $1.8 million gain on acquisition recorded during the third quarter of 2011 related to the Bank of Whitman acquisition.

The provision for loan and lease losses for the third quarter of 2012 was $2.9 million for the noncovered loan portfolio and a provision recapture of $4.0 million for the covered loan portfolio compared to provisions of $500 thousand for the noncovered loan portfolio and a $433 thousand for the covered loan portfolio during the third quarter of 2011.

The $4.0 million in provision recapture for losses on covered loans for the three months ended September 30, 2012 was primarily due to increased expected future cash flows as remeasured during the current quarter when compared to the prior quarter's remeasurement. The $4.0 million in provision recapture is partially off-set by a $3.2 million unfavorable adjustment to the change in FDIC loss-sharing asset.

The $2.9 million provision for the noncovered loan portfolio for the three months ended September 30, 2012 was driven by net charge offs realized during the respective period and to a lesser extent by the $40 million in noncovered loan growth experienced during the three month period, partially offset by improved credit quality in the noncovered portfolio. The growth in noncovered loans was centered in commercial business loans and term commercial real estate loans. The Company believes that, at 2.08% of net noncovered loans, the allowance for loan and lease losses remains adequate at September 30, 2012. The allowance to net noncovered loans was 2.14% at June 30, 2012 and 2.26% at year-end 2011.

Total noninterest expense for the quarter ended September 30, 2012 was $40.9 million, a 3% increase from the third quarter of 2011. The increase from the prior-year period was primarily due to a rise in legal and professional costs of $826 thousand, which includes $1.1 million of costs related to the recently announced merger with West Coast Bancorp.

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Comparison of current year-to-date to prior year period

Revenue (net interest income plus noninterest income) for the nine months ended September 30, 2012 was $204.5 million, 24% more than the same period in 2011. The increase in revenue was primarily due to the growth of the loan portfolio caused by substantial organic loan growth as well as the FDIC-assisted acquisitions completed during 2011.

The provision for loan and lease losses for the nine months ended September 30, 2012 was $11.1 million for the noncovered loan portfolio and $23.4 million for the covered loan portfolio compared to provisions of $2.7 million for the noncovered loan portfolio and a $2.3 million for the covered loan portfolio during the third quarter of 2011.

The $23.4 million in provision for losses on covered loans for the nine months ended September 30, 2012 was primarily due to the combination of actual loan losses incurred subsequent to the remeasurement of cash flows during the fourth quarter of 2011 and expected future loan losses as remeasured during the current year-to-date period. These combined loan losses, which exceeded predicted loan losses as measured during the fourth quarter of 2011, reduced expected future cash flows and, when discounted at current yields, resulted in impairment. The $23.4 million in provision is partially off-set by a $18.7 million favorable adjustment to the change in FDIC loss-sharing asset.

The $11.1 million provision for the noncovered loan portfolio for the nine months ended September 30, 2012 was driven by net charge offs realized during the respective period and to a lesser extent by the $128.5 million in noncovered loan growth experienced during the nine month period. The growth in noncovered loans was centered in commercial business loans and term commercial real estate loans.

Total noninterest expense for the nine months ended September 30, 2012 was $125.1 million, a 9% increase from the third quarter of 2011. The increase was primarily due to the additional compensation, employee benefit and occupancy expenses related to the FDIC-assisted acquisitions completed during 2011.

Net Interest Income

Comparison of current quarter to prior year period

Net interest income for the third quarter of 2012 was $57.3 million, a decrease of 12% from $64.8 million for the same quarter in 2011. The Company's net interest margin decreased to 5.52% in the third quarter of 2012, from 6.53% for the same quarter last year. The decreases in net interest income and margin were primarily due to accretion income on the acquired loan portfolios, which peaked during the last six months of 2011. In addition to the impact of accretion income, net interest income also decreased due to the combination of lower rates on loans as well as securities due to the overall decreasing trend in rates.

The incremental accretion income represents the amount of income recorded on the acquired loans above the contractual rate stated in the individual loan notes. The incremental accretion income had a positive impact of approximately 112 bps on the third quarter's net interest margin. For the same period last year, the incremental accretion income had a positive impact of approximately 194 bps on the net interest margin.

Incremental accretion income from acquired impaired loans decreased $3.3 million from the prior year period. In addition, the discount accretion on other acquired loans decreased $4.5 million from the prior year period. These decreases were primarily due to the moderating trend for incremental accretion income, which peaked in the last six months of 2011 due to decreases in the acquired loan balances resulting from repayments. For additional information on the Company's accounting policies related to recording interest income on loans, please refer to “Item 8. Financial Statements and Supplementary Data” in our 2011 Annual Report on Form 10-K.

Comparison of current year-to-date to prior year period

Net interest income for the nine months ended September 30, 2012 was $184.0 million, an increase of 12% from $164.6 million for the same period in 2011. The Company's net interest margin increased to 5.99% for the nine months ended September 30, 2012, from 5.96% for the same period last year. The increase in net interest income was primarily due to the growth of the loan portfolio caused by substantial organic loan growth as well as the August 2011 acquisition of Bank of Whitman. Due to the timing of this acquisition, a full nine months of interest income was recorded in the nine month period ended September 30, 2012, compared to approximately one month of interest income for the nine months ended September 30, 2011. For additional information on the loan portfolio, please see the "Loan Portfolio Analysis" section of Management's Discussion and Analysis.

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The following table shows the impact to interest income and the related impact to the net interest margin resulting from accretion of income on certain acquired loan portfolios for the periods presented:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(dollars in thousands)
Interest income as recorded	$	21,476		$	31,543		$	78,864		$	70,859
Less: Interest income at stated note rate	9,603			11,843			29,558			29,905
Incremental accretion income	$	11,873		$	19,700		$	49,306		$	40,954
Incremental accretion income due to:
Acquired impaired loans	11,260			14,604			44,455			35,858
Other acquired loans	613			5,096			4,851			5,096
Incremental accretion income	$	11,873		$	19,700		$	49,306		$	40,954
Net interest margin	5.52		%	6.53		%	5.99		%	5.96		%
Net interest margin excluding incremental accretion income	4.40		%	4.59		%	4.43		%	4.52		%

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The following table sets forth the average balances of all major categories of interest-earning assets and interest-bearing liabilities, the total dollar amounts of interest income on interest-earning assets and interest expense on interest-bearing liabilities, the average yield earned on interest-earning assets and average rate paid on interest-bearing liabilities by category and in total net interest income and net interest margin:

	Three Months Ended September 30,						Three Months Ended September 30,
	2012						2011
	Average Balances (1)		Interest Earned / Paid		Average Rate		Average Balances (1) (3)		Interest Earned / Paid (3)		Average Rate
	(dollars in thousands)
ASSETS
Loans, excluding covered loans, net (1) (2)	$	2,444,065	$	32,747	5.36	%	$	2,184,638	$	34,791	6.32	%
Covered loans, net (1) (2)	475,455		20,042		16.86	%	593,043		25,003		16.73	%
Taxable securities	716,522		4,218		2.35	%	744,878		6,037		3.22	%
Tax exempt securities (2)	267,293		3,758		5.62	%	253,897		3,879		6.06	%
Interest-earning deposits with banks and federal funds sold	360,079		229		0.25	%	251,573		240		0.38	%
Total interest-earning assets	4,263,414		$	60,994	5.72	%	4,028,029		$	69,950	6.89	%
Other earning assets	76,371						53,695
Noninterest-earning assets	488,317						599,177
Total assets	$	4,828,102					$	4,680,901
LIABILITIES AND SHAREHOLDERS’ EQUITY
Certificates of deposit	$	531,491	$	751	0.57	%	$	684,084	$	1,243	0.72	%
Savings accounts	298,918		15		0.02	%	265,348		39		0.06	%
Interest-bearing demand	792,825		205		0.10	%	709,911		329		0.18	%
Money market accounts	1,041,860		368		0.14	%	992,321		1,031		0.41	%
Total interest-bearing deposits	2,665,094		1,339		0.20	%	2,651,664		2,642		0.40	%
Federal Home Loan Bank and Federal Reserve Bank borrowings	113,107		745		2.63	%	128,911		807		2.48	%
Long-term obligations	—		—		—	%	7,821		75		3.80	%
Other borrowings	25,000		120		1.92	%	25,000		120		1.90	%
Total interest-bearing liabilities	2,803,201		$	2,204	0.31	%	2,813,396		$	3,644	0.51	%
Noninterest-bearing deposits	1,194,190						1,027,268
Other noninterest-bearing liabilities	69,430						105,045
Shareholders’ equity	761,281						735,192
Total liabilities & shareholders’ equity	$	4,828,102					$	4,680,901
Net interest income (2)			$	58,790					$	66,306
Net interest margin					5.52	%					6.53	%

(1) Nonaccrual loans have been included in the tables as loans carrying a zero yield. Amortized net deferred loan fees were included in the interest income calculations. The amortization of net deferred loan fees was $726 thousand and $258 thousand for the three months ended September 30, 2012 and 2011, respectively. The amortization of net unearned discounts on other acquired loans was $613 thousand and $5.1 million for the three months ended September 30, 2012 and 2011, respectively.

(2) Tax-exempt income is calculated on a tax equivalent basis, based on a marginal tax rate of 35%.

(3) Reclassified to conform to the current period's presentation.

38

The following table sets forth the average balances of all major categories of interest-earning assets and interest-bearing liabilities, the total dollar amounts of interest income on interest-earning assets and interest expense on interest-bearing liabilities, the average yield earned on interest-earning assets and average rate paid on interest-bearing liabilities by category and in total net interest income and net interest margin:

	Nine Months Ended September 30,						Nine Months Ended September 30,
	2012						2011
	Average Balances (1)		Interest Earned / Paid		Average Rate		Average Balances (1) (3)		Interest Earned / Paid (3)		Average Rate
	(dollars in thousands)
ASSETS
Loans, excluding covered loans, net (1) (2)	$	2,390,585	$	98,794	5.51	%	$	1,997,164	$	86,265	5.77	%
Covered loans, net (1) (2)	501,103		70,653		18.80	%	539,328		65,601		16.26	%
Taxable securities	741,274		14,414		2.59	%	671,146		16,701		3.33	%
Tax exempt securities (2)	271,442		11,546		5.67	%	248,027		11,610		6.26	%
Interest-earning deposits with banks and federal funds sold	294,721		564		0.26	%	339,200		722		0.28	%
Total interest-earning assets	4,199,125		$	195,971	6.22	%	3,794,865		$	180,899	6.37	%
Other earning assets	75,645						53,209
Noninterest-earning assets	522,773						577,963
Total assets	$	4,797,543					$	4,426,037
LIABILITIES AND SHAREHOLDERS’ EQUITY
Certificates of deposit	$	557,362	$	2,601	0.62	%	$	636,907	$	4,031	0.85	%
Savings accounts	295,359		61		0.03	%	235,203		127		0.07	%
Interest-bearing demand	777,352		673		0.12	%	699,106		1,145		0.22	%
Money market accounts	1,043,262		1,344		0.17	%	949,920		3,266		0.46	%
Total interest-bearing deposits	2,673,335		4,679		0.23	%	2,521,136		8,569		0.45	%
Federal Home Loan Bank and Federal Reserve Bank borrowings	114,934		2,229		2.59	%	120,698		2,215		2.45	%
Long-term obligations	—		—		—	%	19,657		579		3.94	%
Other borrowings	25,000		358		1.91	%	25,000		377		2.02	%
Total interest-bearing liabilities	2,813,269		$	7,266	0.34	%	2,686,491		$	11,740	0.58	%
Noninterest-bearing deposits	1,156,304						936,091
Other noninterest-bearing liabilities	67,753						81,817
Shareholders’ equity	760,217						721,638
Total liabilities & shareholders’ equity	$	4,797,543					$	4,426,037
Net interest income (2)			$	188,705					$	169,159
Net interest margin					5.99	%					5.96	%

(1) Nonaccrual loans have been included in the tables as loans carrying a zero yield. Amortized net deferred loan fees were included in the interest income calculations. The amortization of net deferred loan fees was $1.5 million and $784 thousand for the nine months ended September 30, 2012 and 2011, respectively. The amortization of net unearned discounts on other acquired loans was $4.9 million and $5.1 million for the nine months ended September 30, 2012 and 2011, respectively.

(2) Tax-exempt income is calculated on a tax equivalent basis, based on a marginal tax rate of 35%.

(3) Reclassified to conform to the current period’s presentation.

39

The following tables set forth the total dollar amount of change in interest income and interest expense. The changes have been segregated for each major category of interest-earning assets and interest-bearing liabilities into amounts attributable to changes in volume, changes in rates and changes in rates multiplied by volume. Changes attributable to the combined effect of volume and interest rates have been allocated proportionately to the changes due to volume and the changes due to interest rates:

	Three Months Ended September 30, 2012 Compared to 2011 Increase (Decrease) Due to
	Volume			Rate			Total
	(in thousands)
Interest Income
Loans, excluding covered loans, net (1)(2)	$	3,851		$	(5,895	)	$	(2,044	)
Covered loans, net	(4,957		)	(4		)	(4,961		)
Taxable securities	(222		)	(1,597		)	(1,819		)
Tax exempt securities (2)	198			(319		)	(121		)
Interest earning deposits with banks and federal funds sold	85			(96		)	(11		)
Interest income (2)	$	(1,045	)	$	(7,911	)	$	(8,956	)
Interest Expense
Deposits:
Certificates of deposit	$	(246	)	$	(246	)	$	(492	)
Savings accounts	4			(28		)	(24		)
Interest-bearing demand	35			(159		)	(124		)
Money market accounts	49			(712		)	(663		)
Total interest on deposits	(158		)	(1,145		)	(1,303		)
FHLB and Federal Reserve Bank borrowings	(103		)	41			(62		)
Long-term obligations	(75		)	—			(75		)
Other borrowings	—			—			—
Interest expense	$	(336	)	$	(1,104	)	$	(1,440	)

(1) Nonaccrual loans have been included in the tables as loans carrying a zero yield. Amortized net deferred loan fees were included in the interest income calculations. The amortization of net deferred loan fees was $726 thousand and $258 thousand for the three months ended September 30, 2012 and 2011, respectively. The amortization of net unearned discounts on other acquired loans was $613 thousand and $5.1 million for the three months ended September 30, 2012 and 2011, respectively.

(2) Tax-exempt income is calculated on a tax equivalent basis, based on a marginal tax rate of 35%.

40

	Nine Months Ended September 30, 2012 Compared to 2011 Increase (Decrease) Due to
	Volume			Rate			Total
	(in thousands)
Interest Income
Loans, excluding covered loans, net (1)(2)	$	16,391		$	(3,862	)	$	12,529
Covered loans, net	(4,878		)	9,930			5,052
Taxable securities	1,622			(3,909		)	(2,287		)
Tax exempt securities (2)	1,045			(1,109		)	(64		)
Interest earning deposits with banks and federal funds sold	(89		)	(69		)	(158		)
Interest income (2)	$	14,091		$	981		$	15,072
Interest Expense
Deposits:
Certificates of deposit	$	(461	)	$	(969	)	$	(1,430	)
Savings accounts	27			(93		)	(66		)
Interest-bearing demand	117			(589		)	(472		)
Money market accounts	294			(2,216		)	(1,922		)
Total interest on deposits	(23		)	(3,867		)	(3,890		)
FHLB and Federal Reserve Bank borrowings	(109		)	123			14
Long-term obligations	(579		)	—			(579		)
Other borrowings	—			(19		)	(19		)
Interest expense	$	(711	)	$	(3,763	)	$	(4,474	)

(1) Nonaccrual loans have been included in the tables as loans carrying a zero yield. Amortized net deferred loan fees were included in the interest income calculations. The amortization of net deferred loan fees was $1.5 million and $784 thousand for the nine months ended September 30, 2012 and 2011, respectively. The amortization of net unearned discounts on other acquired loans was $4.9 million and $5.1 million for the nine months ended September 30, 2012 and 2011, respectively.

(2) Tax-exempt income is calculated on a tax equivalent basis, based on a marginal tax rate of 35%.

Provision for Loan and Lease Losses

Comparison of current quarter to prior year period

The provision for loan and lease losses for the third quarter of 2012 was $2.9 million for the noncovered loan portfolio and a recapture of $4.0 million for the covered loan portfolio compared with provisions of $500 thousand and $433 thousand, respectively, during the third quarter of 2011. Provision expense and recapture on covered loans is principally offset by a change in the FDIC-loss sharing asset. The $4.0 million in provision recapture for losses on covered loans in the current periodwas primarily due to the increase in expected future cash flows from covered loans as remeasured during current quarter, compared to the expected future cash flows as remeasured during the second quarter of 2012, net of the actual cash flows received during the quarter. The $4.0 million in provision recapture is partially offset by a $3.2 million unfavorable adjustment to the change in FDIC loss-sharing asset.

The $2.9 million provision for noncovered loan losses was primarily driven by net charge offs experienced in the quarter and to a lesser extent by the $40 million in noncovered loan growth experienced during the quarter. The growth in noncovered loans was centered in commercial business loans and term commercial real estate loans. Net noncovered loan charge-offs for the current quarter were $3.5 million compared to $4.1 million for the third quarter of 2011. The amount of provision was calculated in accordance with the Company’s methodology for determining the ALLL, discussed in Note 5 to the Company’s consolidated financial statements presented elsewhere in this report and was based upon improving credit metrics in the noncovered loan portfolio.

41

Comparison of current year-to-date to prior year period

The provision for loan and lease losses for the nine months ended September 30, 2012 was $11.1 million for the noncovered loan portfolio and $23.4 million for the covered loan portfolio compared with provisions of $2.7 million and $2.3 million, respectively, during the same period of 2011. Provision expense on covered loans is principally offset by a change in the FDIC-loss sharing asset. The $23.4 million in provision for losses on covered loans for the nine months ended September 30, 2012 was primarily due to the decrease in expected future cash flows from covered loans as remeasured during current period, compared to expected future cash flows as remeasured at the end of 2011, net of the actual cash flows received during the year. The $23.4 million in provision expense was partially offset by a $18.7 million favorable adjustment to the change in FDIC loss-sharing asset.

The $11.1 million provision for noncovered loan losses was primarily driven by net charge offs experienced for the first nine months ended September 30, 2012 and to a lesser extent by the $128.5 million in noncovered loan growth experienced during the period. The growth in noncovered loans was centered in commercial business loans and term commercial real estate loans. Net noncovered loan charge-offs for nine months ended September 30, 2012 were $12.6 million compared to $13.2 million for the same period of 2011. The amount of provision was calculated in accordance with the Company’s methodology for determining the ALLL, discussed in Note 5 to the Company’s consolidated financial statements presented elsewhere in this report and was based upon improving credit metrics in the noncovered loan portfolio.

Noninterest Income (Loss)

The following table presents the significant components of noninterest income and the related dollar and percentage change from period to period:

	Three Months Ended September 30,											Nine Months Ended September 30,
	2012			2011			$ Change			% Change		2012			2011			$ Change			% Change
	(dollars in thousands)
Service charges and other fees	$	7,609		$	6,991		$	618		9	%	$	22,222		$	19,746		$	2,476		13	%
Gain on bank acquisitions	—			1,830			(1,830		)	(100	)%	—			1,830			(1,830		)	(100	)%
Merchant services fees	2,054			1,952			102			5	%	6,167			5,393			774			14	%
Gain on sale of investment securities, net	—			—			—			—	%	62			—			62			100	%
Bank owned life insurance	747			523			224			43	%	2,177			1,556			621			40	%
Other	1,630			1,755			(125		)	(7	)%	4,650			3,842			808			21	%
Subtotal	12,040			13,051			(1,011		)	(8	)%	35,278			32,367			2,911			9	%
Change in FDIC-loss sharing asset	(12,951		)	(10,855		)	(2,096		)	19	%	(14,787		)	(32,048		)	17,261			(54	)%
Total noninterest income (loss)	$	(911	)	$	2,196		$	(3,107	)	(141	)%	$	20,491		$	319		$	20,172		6,324	%

Comparison of current quarter to prior year period

Noninterest income was a loss of $911 thousand for the third quarter of 2012, compared to income of $2.2 million for the same period in 2011. The decrease was primarily due to the $13.0 million change in the FDIC loss-sharing asset recorded as a reduction in income during the current quarter, compared to a $10.9 million reduction in income during the same period in 2011.

Changes in the FDIC loss-sharing asset are primarily driven by amortization of the FDIC loss-sharing asset and the provision recorded for reimbursable losses on FDIC covered loans. For the third quarter of 2012, the $9.7 million of amortization of the FDIC loss-sharing asset combined with a $3.2 million decrease in the FDIC loss-sharing asset related to the provision recapture recorded for reimbursable losses on FDIC covered loans. For the same period in 2011, the $10.9 million of amortization of the FDIC loss-sharing asset was partially offset by a $921 thousand increase in the FDIC loss-sharing asset related to the provision expense recorded for reimbursable losses on FDIC covered loans. For additional information on the FDIC loss-sharing asset, please see the "FDIC Loss-sharing Asset" section of Management's Discussion and Analysis and Note 7 to the Consolidated Financial Statements in "Item 1. Financial Statements (unaudited)" of this report.

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The decrease in noninterest income for the current quarter compared to the prior year was also driven by the $1.8 million gain on bank acquisitions recorded in the third quarter of 2011.

Comparison of current year-to-date to prior year period

For the nine months ended September 30, 2012, noninterest income was $20.5 million compared to $319 thousand for the same period in 2011. The increase was primarily due to the $14.8 million change in the FDIC loss-sharing asset recorded as a reduction in income during the current year, compared to a $32.0 million reduction in income during the same period in 2011. The increase was also driven by service charges and other fees, which increased $2.5 million, or 13%, to $22.2 million for the nine months ended September 30, 2012 due to the implementation of new fee schedules.

Noninterest Expense

The following table presents the significant components of noninterest expense and the related dollar and percentage change from period to period:

	Three Months Ended September 30,											Nine Months Ended September 30,
	2012			2011			$ Change			% Change		2012			2011			$ Change			% Change
	(dollars in thousands)
Compensation	$	17,873		$	16,887		$	986		6	%	$	53,180		$	47,817		$	5,363		11	%
Employee benefits	3,606			3,179			427			13	%	10,812			9,915			897			9	%
Contract labor	44			1,326			(1,282		)	(97	)%	492			2,040			(1,548		)	(76	)%
	21,523			21,392			131			1	%	64,484			59,772			4,712			8	%
All other noninterest expense:
Occupancy	4,886			4,815			71			1	%	15,310			13,600			1,710			13	%
Merchant processing	921			976			(55		)	(6	)%	2,724			2,764			(40		)	(1	)%
Advertising and promotion	1,341			1,137			204			18	%	3,342			3,050			292			10	%
Data processing and communications	2,499			2,195			304			14	%	7,263			6,032			1,231			20	%
Legal and professional services	2,783			1,957			826			42	%	6,221			4,868			1,353			28	%
Taxes, license and fees	1,124			1,211			(87		)	(7	)%	3,594			2,983			611			20	%
Regulatory premiums	775			574			201			35	%	2,560			3,553			(993		)	(28	)%
Net cost (benefit) of operation of noncovered other real estate owned	(63		)	1,291			(1,354		)	(105	)%	4,102			5,849			(1,747		)	(30	)%
Net benefit of operation of covered other real estate owned	(1,006		)	(1,486		)	480			(32	)%	(4,638		)	(6,272		)	1,634			(26	)%
Amortization of intangibles	1,093			1,177			(84		)	(7	)%	3,362			3,116			246			8	%
FDIC clawback expense (recovery)	334			1,146			(812		)	(71	)%	100			3,294			(3,194		)	(97	)%
Other	4,726			3,550			1,176			33	%	16,689			11,836			4,853			41	%
Total all other noninterest expense	19,413			18,543			870			5	%	60,629			54,673			5,956			11	%
Total noninterest expense	$	40,936		$	39,935		$	1,001		3	%	$	125,113		$	114,445		$	10,668		9	%

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Comparison of current quarter to prior year period

Total noninterest expense for the third quarter of 2012 was $40.9 million, an increase of $1.0 million, or 3% from $39.9 million a year earlier. The increase from the prior-year period was primarily due to a rise in legal and professional costs of $826 thousand, which includes $1.1 million of costs related to the recently announced merger with West Coast Bancorp, as well as a $1.2 million increase in other noninterest expense. The details of other noninterest expense are shown in the following table.

Comparison of current year-to-date to prior year period

For the nine months ended September 30, 2012, noninterest expense was $125.1 million compared to $114.4 million for the same period in 2011. The increase was attributable to a $5.4 million, or 11%, increase in compensation due to the acquisitions during 2011 as well as a $4.9 million increase in other noninterest expense.

The following table presents selected items included in other noninterest expense and the associated change from period to period:

	Three Months Ended September 30,						Increase (Decrease) Amount			Nine Months Ended September 30,					Increase (Decrease) Amount
	2012			2011						2012		2011
	(in thousands)
Postage	$	575		$	551		$	24		$	1,495	$	1,573		$	(78	)
Software support & maintenance	304			375			(71		)	1,120		984			136
Supplies	246			350			(104		)	839		967			(128		)
Insurance	244			249			(5		)	780		686			94
ATM Network	271			305			(34		)	824		767			57
Travel	339			378			(39		)	1,040		890			150
Employee expenses	156			153			3			565		463			102
Sponsorships and charitable contributions	212			274			(62		)	584		692			(108		)
Directors fees	140			111			29			407		341			66
Federal Reserve Bank processing fees	48			89			(41		)	172		249			(77		)
CRA partnership investment expense	111			104			7			497		528			(31		)
Investor relations	21			19			2			163		159			4
Other personal property owned	(107		)	(1,212		)	1,105			2,226		(1,212		)	3,438
Miscellaneous	2,166			1,804			362			5,977		4,749			1,228
Total other noninterest expense	$	4,726		$	3,550		$	1,176		$	16,689	$	11,836		$	4,853

In managing our business, we review the efficiency ratio, on a fully taxable-equivalent basis. Our efficiency ratio (noninterest expense, excluding net cost of operation of other real estate, FDIC clawback liability expense and merger related expenses, divided by the sum of net interest income and noninterest income on a tax equivalent basis, excluding any gain/loss on sale of investment securities, gain on bank acquisition, incremental accretion income on the acquired loan portfolio and the change in the FDIC indemnification asset) was 70.36% for the third quarter of 2012 compared to 69.17% for the third quarter 2011. For the nine months ended September 30, 2012 and 2011, our efficiency ratios were 70.11% and 68.62%, respectively.

Income Taxes

We recorded an income tax provision of $4.7 million for the third quarter of 2012, compared to a provision of $7.2 million for the same period in 2011. The effective tax rate was 28% for both the third quarter of 2012 and 2011. For the nine months ended September 30, 2012 and 2011, we recorded an income tax provision of $12.2 million for both periods, with an effective tax rate of 27% for both periods. Our effective tax rate remains lower than the statutory tax rate due to our nontaxable income generated from tax-exempt loans and municipal bonds, investments in bank owned life insurance, and low income housing credits. For additional information, please refer to the Company's annual report on Form 10-K for the year ended December 31, 2011.

44

FINANCIAL CONDITION

Total assets increased $117.1 million or 2%, to $4.90 billion as of September 30, 2012, compared to $4.79 billionDecember 31, 2011.

Investment Securities

At September 30, 2012, the Company held investment securities totaling $943.6 million compared to $1.03 billion at December 31, 2011. All of our securities are classified as available for sale and carried at fair value. The decrease in the investment securities portfolio from year-end is due to $167.4 million in maturities and sales of securities in the portfolio partially offset by $87.3 million in purchases. These securities are used by the Company as a component of its balance sheet management strategies. From time-to-time securities may be sold to reposition the portfolio in response to strategies developed by the Company’s asset liability committee. In accordance with our investment strategy, management monitors market conditions with a view to realize gains on its available for sale securities portfolio when prudent.

At September 30, 2012, the market value of securities available for sale had an unrealized gain of $45.2 million compared to an unrealized gain of $40.6 million at December 31, 2011. The increase in the unrealized gain was the result of the fluctuations in interest rates as well as the increase in the fair value of the Greater Wenatchee Regional Events Center Public Facilities District bond discussed below. The Company does carry $53.9 million of investment securities with unrealized losses of $466 thousand; however, we do not consider these investment securities to be other-than-temporarily impaired. In the future, if the impairment is judged to be other-than-temporary, to the extent that the loss is determined to be credit-related, the cost basis of the individual impaired securities will be written down to fair value; the amount of the write-down could be included in earnings as a realized loss. The remaining non-credit-related impairment would be recorded to other comprehensive income.

The Company continues to carry one municipal bond with a par value of $3.0 million that was determined to be other-than-temporarily impaired during December 2011. At year-end 2011, the present value of expected future cash flows for that obligation was determined to be zero and, accordingly, the Company recorded a $3.0 million impairment charge to earnings during the fourth quarter of 2011. In September 2012, the Company was notified that there would be a full repayment on this municipal bond. As a result, the estimated fair value of the municipal bond was increased to its original par value of $3.0 million. Subsequent to quarter end, on October 1, 2012, the Company received full payment on this municipal bond, including accrued interest.

The following table sets forth our securities portfolio by type for the dates indicated:

	September 30, 2012		December 31, 2011
	(in thousands)
Securities Available for Sale
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	563,208	$	695,954
State and municipal securities	282,500		285,763
U.S. government and government-sponsored enterprise securities	94,506		43,063
Other securities	3,410		3,330
Total	$	943,624	$	1,028,110

For further information on our investment portfolio see Note 3 of the Consolidated Financial Statements in "Item 1. Financial Statements (unaudited)" of this report.

Credit Risk Management

The extension of credit in the form of loans or other credit products to individuals and businesses is one of our principal business activities. Our policies and applicable laws and regulations require risk analysis as well as ongoing portfolio and credit management. We manage our credit risk through lending limit constraints, credit review, approval policies, and extensive, ongoing internal monitoring. We also manage credit risk through diversification of the loan portfolio by type of loan, type of industry, type of borrower and by limiting the aggregation of debt limits to a single borrower. The monitoring process for our loan portfolio includes periodic reviews of individual loans with risk ratings assigned to each loan. We review these loans to assess the ability of the borrower to service all of its interest and principal obligations and, as a result, the risk rating may be adjusted accordingly. In the event that full collection of principal and interest is not reasonably assured, the loan is appropriately downgraded and, if warranted, placed on nonaccrual status even though the loan may be current as to principal and interest

45

payments. Additionally, we review these types of loans for impairment in accordance with the Receivables topic of the FASB ASC. Impaired loans are considered for nonaccrual status and will typically remain as such until all principal and interest payments are brought current and the prospects for future payments in accordance with the loan agreement appear relatively certain.

Loan policies, credit quality criteria, loan portfolio guidelines and other credit approval processes are established under the guidance of our Chief Credit Officer and approved, as appropriate, by the Board of Directors. The Company’s Credit Administration department and loan committee have the responsibility for administering the credit approval process. As another part of its control process, we use an independent internal credit review and examination function to provide assurance that loans and commitments are made and maintained as prescribed by our credit policies. This includes a review of documentation when the loan is initially extended and subsequent monitoring to assess continued performance and proper risk assessment.

Loan Portfolio Analysis

We are a full service commercial bank, originating a wide variety of loans, but concentrating our lending efforts on originating commercial business and commercial real estate loans.

The following table sets forth the Company’s loan portfolio by type of loan for the dates indicated:

	September 30, 2012			% of Total		December 31, 2011			% of Total
	(dollars in thousands)
Commercial business	$	1,142,737		46.1	%	$	1,031,721		43.9	%
Real estate:
One-to-four family residential	47,656			1.9	%	64,491			2.8	%
Commercial and multifamily residential	1,035,356			41.9	%	998,165			42.5	%
Total real estate	1,083,012			43.8	%	1,062,656			45.3	%
Real estate construction:
One-to-four family residential	50,381			2.0	%	50,208			2.1	%
Commercial and multifamily residential	51,466			2.1	%	36,768			1.6	%
Total real estate construction	101,847			4.1	%	86,976			3.7	%
Consumer	160,771			6.5	%	183,235			7.8	%
Subtotal	2,488,367			100.5	%	2,364,588			100.7	%
Less: Net unearned income	(11,523		)	(0.5	)%	(16,217		)	(0.7	)%
Total noncovered loans, net of unearned income	2,476,844			100.0	%	2,348,371			100.0	%
Less: Allowance for loan and lease losses	(51,527		)			(53,041		)
Noncovered loans, net	2,425,317					2,295,330
Covered loans, net of allowance of ($29,157) and ($4,944), respectively	429,286					531,929
Total loans, net	$	2,854,603				$	2,827,259
Loans Held for Sale	$	3,600				$	2,148

Total noncovered loans increased $123.8 million, or 5.2%, from year-end 2011. Growth was centered in the commercial business loan segment which increased $111.0 million. Growth in this segment was in three main categories led by agriculture, forestry, and fishing, followed by healthcare and social services, as well as finance and insurance. There was also strong broad based growth in the commercial and multifamily residential real estate loans The growth in business and commercial real estate loans was offset by contraction in one-to-four family residential real estate and notably the consumer portfolio segment which declined $22.5 million. The decline in the consumer loan portfolio was significantly impacted by a decline in home equity loans. The noncovered loan portfolio continues to be diversified, with the intent to mitigate risk by minimizing concentration in any one segment.

46

Commercial Loans: We are committed to providing competitive commercial lending in our primary market areas. Management expects a continued focus within its commercial lending products and to emphasize, in particular, relationship banking with businesses, and business owners.

Real Estate Loans: One-to-four family residential loans are secured by properties located within our primary market areas and, typically, have loan-to-value ratios of 80% or lower. Our underwriting standards for commercial and multifamily residential loans generally require that the loan-to-value ratio for these loans not exceed 75% of appraised value, cost, or discounted cash flow value, as appropriate, and that commercial properties maintain debt coverage ratios (net operating income divided by annual debt servicing) of 1.2 or better. However, underwriting standards can be influenced by competition and other factors. We endeavor to maintain the highest practical underwriting standards while balancing the need to remain competitive in our lending practices.

Real Estate Construction Loans: We originate a variety of real estate construction loans. Underwriting guidelines for these loans vary by loan type but include loan-to-value limits, term limits and loan advance limits, as applicable. Our underwriting guidelines for commercial and multifamily residential real estate construction loans generally require that the loan-to-value ratio not exceed 75% and stabilized debt coverage ratios (net operating income divided by annual debt servicing) of 1.2 or better. As noted above, underwriting standards can be influenced by competition and other factors. However, we endeavor to maintain the highest practical underwriting standards while balancing the need to remain competitive in our lending practices.

Consumer Loans: Consumer loans include automobile loans, boat and recreational vehicle financing, home equity and home improvement loans and miscellaneous personal loans.

For additional information on our noncovered loan portfolio, including amounts pledged as collateral on borrowings, see Note 4 to the Consolidated Financial Statements in "Item 1. Financial Statements (unaudited)" of this report.

Covered Loans: Covered loans are comprised of loans and loan commitments acquired in connection with the 2011 FDIC-assisted acquisitions of First Heritage Bank and Summit Bank, as well as the 2010 FDIC-assisted acquisitions of Columbia River Bank and American Marine Bank. These loans are generically referred to as covered because they are generally subject to one of the loss-sharing agreements between the Company and the FDIC. There was no loss-sharing agreement in the Bank of Whitman transaction, so loans acquired in that transaction are noncovered loans. The loss-sharing agreements relating to the 2010 FDIC-assisted transactions limit the Company’s losses to 20% of the contractual balance outstanding up to a stated threshold amount of $206.0 million for Columbia River Bank and $66.0 million for American Marine Bank. If losses exceed the stated threshold, the Company’s share of the remaining losses decreases to 5%. The loss-sharing agreements relating to the 2011 FDIC-assisted transactions limit the Company's losses to 20% of the contractual balance outstanding. The loss-sharing provisions of the 2011 agreements for commercial and single family residential mortgage loans are in effect for five years and ten years, respectively, from the acquisition dates and the loss recovery provisions for such loans are in effect for eight years and ten years, respectively, from the acquisition dates.

The following table is a rollforward of acquired, impaired loans accounted for under ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality for the nine months ended September 30, 2012:

	Contractual			Nonaccretable			Accretable			Carrying
	Cash Flows			Difference			Yield			Amount
	(in thousands)
Balance at January 1, 2012	$	835,556		$	(91,317	)	$	(259,669	)	$	484,570
Established through acquisitions	—			—			—			—
Principal reductions	(131,812		)	—			—			(131,812		)
Accretion of loan discount	—			—			69,045			69,045
Changes in contractual and expected cash flows due to remeasurement	(71,478		)	51,802			(6,077		)	(25,753		)
Reduction due to removals	(20,130		)	3,138			8,219			(8,773		)
Balance at September 30, 2012	$	612,136		$	(36,377	)	$	(188,482	)	$	387,277

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Nonperforming Assets

Nonperforming assets consist of: (i) nonaccrual loans; (ii) other real estate owned; and (iii) other personal property owned.

Nonaccrual noncovered loans: The consolidated financial statements are prepared according to the accrual basis of accounting. This includes the recognition of interest income on the loan portfolio, unless a loan is placed on a nonaccrual basis, which occurs when there are serious doubts about the collectability of principal or interest. Generally our policy is to discontinue the accrual of interest on all loans past due 90 days or more and place them on nonaccrual status. When a noncovered loan is placed on nonaccrual status, any accrued but unpaid interest on that date is removed from interest income.

Covered loans: We consider covered loans to be performing due to the application of the yield accretion method under ASC Topic 310-30. Topic 310-30 allows us to aggregate credit-impaired loans acquired in the same fiscal quarter into one or more pools, provided the loans have common risk characteristics. A pool is then accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows. The covered loans acquired are and will continue to be subject to the Company’s internal and external credit review and monitoring. Any credit deterioration experienced subsequent to the initial acquisition will result in a provision for loan losses being charged to earnings. These provisions will be mostly offset by an increase to the FDIC loss-sharing asset and will be recognized in noninterest income.

The following table set forth, at the dates indicated, information with respect to our noncovered nonaccrual loans and total noncovered nonperforming assets:

	September 30, 2012		December 31, 2011
	(in thousands)
Nonperforming assets, excluding covered assets
Nonaccrual loans:
Commercial business	$	12,564	$	10,243
Real estate:
One-to-four family residential	2,220		2,696
Commercial and multifamily residential	19,459		19,485
Total real estate	21,679		22,181
Real estate construction:
One-to-four family residential	5,359		10,785
Commercial and multifamily residential	—		7,067
Total real estate construction	5,359		17,852
Consumer	1,987		3,207
Total nonaccrual loans	41,589		53,483
Noncovered other real estate owned and other personal property owned	11,749		31,905
Total nonperforming noncovered assets	$	53,338	$	85,388

At September 30, 2012, nonperforming noncovered assets were $53.3 million, compared to $85.4 million at December 31, 2011. The percent of nonperforming, noncovered assets to period-end noncovered assets at September 30, 2012 was 1.20% compared to 2.02% for December 31, 2011. Nonperforming noncovered assets decreased $32.1 million during the nine months ended September 30, 2012, primarily due to payments and declines in noncovered OREO and noncovered OPPO.

48

Other Real Estate Owned: During the nine months ended September 30, 2012, noncovered OREO declined $12.0 million. The following table sets forth activity in noncovered OREO for the nine months ended September 30, 2012 and 2011:

	Nine Months Ended September 30,
	2012			2011
	(in thousands)
Noncovered OREO:
Balance, beginning of period	$	22,893		$	30,991
Transfers in, net of write-downs ($24 and $108, respectively)	6,527			8,434
OREO improvements	11			726
Additional OREO write-downs	(4,232		)	(5,090		)
Proceeds from sale of OREO property	(15,069		)	(10,234		)
Gain on sale of OREO, net	745			229
Total noncovered OREO, end of period	$	10,875		$	25,056

Other Personal Property Owned: During the nine months ended September 30, 2012, noncovered OPPO declined $8.1 million primarily as a result of $4.8 million of OPPO sales and $2.3 million in write-downs recorded as expense in the consolidated statements of income. Also contributing to the decline in noncovered OPPO was the conversion of a $945 thousand item from OPPO to OREO during the second quarter.

Allowance for Loan and Lease Losses

We maintain an allowance for loan and lease losses (“ALLL”) to absorb losses inherent in the loan portfolio. The size of the ALLL is determined through quarterly assessments of the probable estimated losses in the loan portfolio. Our methodology for making such assessments and determining the adequacy of the ALLL includes the following key elements:

1. General valuation allowance consistent with the Contingencies topic of the FASB ASC.

2. Classified loss reserves on specific relationships. Specific allowances for identified problem loans are determined in accordance with the Receivables topic of the FASB ASC.

3. The unallocated allowance provides for other credit losses inherent in our loan portfolio that may not have been contemplated in the general and specific components of the allowance. This unallocated amount generally comprises less than 5% of the allowance. The unallocated amount is reviewed periodically based on trends in credit losses, the results of credit reviews and overall economic trends.

On a quarterly basis our Chief Credit Officer reviews with Executive Management and the Board of Directors the various additional factors that management considers when determining the adequacy of the ALLL, including economic and business condition reviews. Factors which influenced management’s judgment in determining the amount of the additions to the ALLL charged to operating expense include the following as of the applicable balance sheet dates:

1. Existing general economic and business conditions affecting our market place

2. Credit quality trends

3. Historical loss experience

4. Seasoning of the loan portfolio

5. Bank regulatory examination results

6. Findings of internal credit examiners

7. Duration of current business cycle

8. Specific loss estimates for problem loans

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The ALLL is increased by provisions for loan and lease losses (“provision”) charged to expense, and is reduced by loans charged off, net of recoveries. While we believe the best information available is used by us to determine the ALLL, changes in market conditions could result in adjustments to the ALLL, affecting net income, if circumstances differ from the assumptions used in determining the ALLL.

In addition to the ALLL, we maintain an allowance for unfunded commitments and letters of credit. We report this allowance as a liability on our Consolidated Balance Sheet. We determine this amount using estimates of the probability of the ultimate funding and losses related to those credit exposures. This methodology is similar to the methodology we use for determining the adequacy of our ALLL. For additional information on our allowance for unfunded commitments and letters of credit, see Note 7 to the Consolidated Financial Statements presented elsewhere in this report.

At September 30, 2012, our allowance for loan and lease losses for noncovered loans was $51.5 million, or 2.08% of total noncovered loans (excluding loans held for sale) and 123.90% of nonperforming, noncovered loans. This compares with an allowance of $53.0 million, or 2.26% of the total loan portfolio (excluding loans held for sale), and 99.17% of nonperforming, noncovered loans at December 31, 2011.

The following table provides an analysis of the Company’s allowance for loan and lease losses for noncovered loans at the dates and the periods indicated:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Beginning balance	$	52,196		$	54,057		$	53,041		$	60,993
Charge-offs:
Commercial business	(3,775		)	(1,946		)	(8,178		)	(6,151		)
One-to-four family residential	(49		)	(53		)	(499		)	(717		)
Commercial and multifamily residential	(592		)	(443		)	(5,108		)	(2,362		)
One-to-four family residential construction	(325		)	(183		)	(1,426		)	(2,415		)
Commercial and multifamily residential construction	—			(145		)	(93		)	(1,710		)
Consumer	(500		)	(2,102		)	(1,968		)	(3,298		)
Total charge-offs	(5,241		)	(4,872		)	(17,272		)	(16,653		)
Recoveries
Commercial business	277			460			1,314			1,157
One-to-four family residential	157			78			202			78
Commercial and multifamily residential	446			10			1,338			96
One-to-four family residential construction	404			119			906			1,923
Commercial and multifamily residential construction	63			—			64			—
Consumer	350			70			809			178
Total recoveries	1,697			737			4,633			3,432
Net charge-offs	(3,544		)	(4,135		)	(12,639		)	(13,221		)
Provision charged to expense	2,875			500			11,125			2,650
Ending balance	$	51,527		$	50,422		$	51,527		$	50,422
Total noncovered loans, net at end of period, excluding loans held of sale	$	2,476,844		$	2,257,899		$	2,476,844		$	2,257,899
Allowance for loan and lease losses to period-end noncovered loans	2.08		%	2.23		%	2.08		%	2.23		%
Allowance for unfunded commitments and letters of credit
Beginning balance	$	1,665		$	1,660		$	1,535		$	1,165
Net changes in the allowance for unfunded commitments and letters of credit	250			(200		)	380			295
Ending balance	$	1,915		$	1,460		$	1,915		$	1,460

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FDIC Loss-sharing Asset

The Company has elected to account for amounts receivable under loss-sharing agreements with the FDIC as an indemnification asset in accordance with the Business Combinations topic of the FASB ASC. The FDIC indemnification asset is initially recorded at fair value, based on the discounted expected future cash flows under the loss-sharing agreements.

Subsequent to initial recognition, the FDIC indemnification asset is reviewed quarterly and adjusted for any changes in expected cash flows. These adjustments are measured on the same basis as the related covered loans. Any decrease in expected cash flows from the covered assets due to an increase in expected credit losses will increase the FDIC indemnification asset and any increase in expected future cash flows from the covered assets due to a decrease in expected credit losses will decrease the FDIC indemnification asset. Increases and decreases to the FDIC loss-sharing asset are recorded as adjustments to noninterest income.

At September 30, 2012, the FDIC loss-sharing asset was $111.7 million which was comprised of a $101.8 million FDIC indemnification asset and a $9.9 million FDIC receivable. The FDIC receivable represents the amounts due from the FDIC for claims related to covered losses the Company has incurred net of amounts due to the FDIC relating to shared recoveries.

The following table summarizes the activity related to the FDIC loss-sharing asset for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	140,003		$	209,694		$	175,071		$	205,991
Adjustments not reflected in income
Established through acquisitions	—			—			—			68,734
Cash received from the FDIC	(14,881		)	(6,108		)	(49,194		)	(51,000		)
FDIC reimbursable losses, net	(494		)	1,138			587			2,192
Adjustments reflected in income
Amortization, net	(9,694		)	(10,928		)	(33,418		)	(32,556		)
Loan impairment (recapture)	(3,193		)	921			18,705			2,424
Sale of other real estate	(1,315		)	(1,471		)	(4,881		)	(3,487		)
Write-downs of other real estate	1,141			467			4,503			911
Other	110			156			304			660
Balance at end of period	$	111,677		$	193,869		$	111,677		$	193,869

For additional information on the FDIC loss-sharing asset, please see Note 7 to the Consolidated Financial Statements presented elsewhere in this report.

Liquidity and Sources of Funds

Our primary sources of funds are customer deposits. Additionally, we utilize advances from the FHLB of Seattle, the FRB of San Francisco, and wholesale repurchase agreements to supplement our funding needs. These funds, together with loan repayments, loan sales, retained earnings, equity and other borrowed funds are used to make loans, to acquire securities and other assets, and to fund continuing operations.

Deposit Activities

Our deposit products include a wide variety of transaction accounts, savings accounts and time deposit accounts. Core deposits (demand deposit, savings, money market accounts and certificates of deposit less than $100,000) increased $175.4 million, or approximately 5%, since year-end 2011 while certificates of deposit greater than $100,000 decreased $34.7 million, or approximately 13%, to $228.1 million from year-end 2011.

51

We have established a branch system to serve our consumer and business depositors. In addition, management’s strategy for funding asset growth is to make use of brokered and other wholesale deposits on an as-needed basis. The Company also participates in the Certificate of Deposit Account Registry Service (CDARS^®) program. CDARS^® is a network that allows participating banks to offer extended FDIC deposit insurance coverage on certificates of deposit. Unlike traditional brokered deposits, the Company generally makes CDARS^® available only to existing customers who desire additional deposit insurance coverage rather than as a means of generating additional liquidity. At September 30, 2012 CDARS^® deposits were $24.8 million, or 1% of total deposits, compared to $42.1 million at year-end 2011. The brokered deposits have varied maturities.

The following table sets forth the Company’s deposit base by type of product for the dates indicated:

	September 30, 2012				December 31, 2011
	Balance		% of Total		Balance		% of Total
	(dollars in thousands)
Core deposits:
Demand and other non-interest bearing	$	1,270,321	32.3	%	$	1,156,610	30.3	%
Interest bearing demand	804,578		20.4	%	735,340		19.3	%
Money market	1,045,551		26.5	%	1,031,664		27.0	%
Savings	300,800		7.6	%	283,416		7.4	%
Certificates of deposit less than $100,000	264,594		6.7	%	303,405		8.0	%
Total core deposits	3,685,844		93.5	%	3,510,435		92.0	%
Certificates of deposit greater than $100,000	228,052		5.9	%	262,731		6.9	%
Certificates of deposit insured by CDARS®	24,846		0.6	%	42,080		1.1	%
Subtotal	3,938,742		100.0	%	3,815,246		100.0	%
Premium resulting from acquisition date fair value adjustment	113				283
Total deposits	$	3,938,855			$	3,815,529

Borrowings

We rely on FHLB advances and FRB borrowings as another source of both short and long-term funding. FHLB advances and FRB borrowings are secured by bonds within our investment portfolio, residential, commercial and commercial real estate loans. At September 30, 2012, we had FHLB advances of $112.4 million, before acquisition date fair value adjustments, compared to $118.1 million at December 31, 2011.

At September 30, 2012 FHLB advances were scheduled to mature as follows:

	Amount
	(in thousands)
Within 3 months	$	2,500
Over 3 months through 12 months	103,500
Over 12 months through 2 years	—
Due after 2 years	6,366
Subtotal	112,366
Valuation adjustment from acquisition accounting	714
Total	$	113,080

We also utilize wholesale repurchase agreements as a supplement to our funding sources. Our wholesale repurchase agreements are secured by mortgage-backed securities. At September 30, 2012 and December 31, 2011 we had repurchase agreements of $25.0 million, which mature in 2018. Management anticipates we will continue to rely on FHLB advances, FRB borrowings, and wholesale repurchase agreements in the future and we will use those funds primarily to make loans and purchase securities.

52

Contractual Obligations & Commitments

We are party to many contractual financial obligations, including repayment of borrowings, operating and equipment lease payments, commitments to extend credit and investments in affordable housing partnerships. At September 30, 2012, we had commitments to extend credit of $853.8 million compared to $709.9 million at December 31, 2011.

Capital Resources

Shareholders’ equity at September 30, 2012 was $762.0 million, a slight increase from $759.3 million at December 31, 2011. Shareholders’ equity was 16% of total period-end assets at both September 30, 2012 and December 31, 2011.

Capital Ratios: Banking regulations require bank holding companies to maintain a minimum “leverage” ratio of core capital to adjusted quarterly average total assets of at least 3%. In addition, banking regulators have adopted risk-based capital guidelines, under which risk percentages are assigned to various categories of assets and off-balance sheet items to calculate a risk-adjusted capital ratio. Tier I capital generally consists of preferred stock, common shareholders’ equity, and trust preferred obligations, less goodwill and certain identifiable intangible assets, while Tier II capital includes the allowance for loan losses and subordinated debt, both subject to certain limitations. Regulatory minimum risk-based capital guidelines require Tier I capital of 4% of risk-adjusted assets and total capital (combined Tier I and Tier II) of 8% to be considered “adequately capitalized”.

Federal Deposit Insurance Corporation regulations set forth the qualifications necessary for a bank to be classified as “well capitalized”, primarily for assignment of FDIC insurance premium rates. To qualify as “well capitalized,” banks must have a Tier I risk-adjusted capital ratio of at least 6%, a total risk-adjusted capital ratio of at least 10%, and a leverage ratio of at least 5%. Failure to qualify as “well capitalized” can negatively impact a bank’s ability to expand and to engage in certain activities.

The Company and its subsidiary qualify as “well-capitalized” at September 30, 2012 and December 31, 2011.

	Company				Columbia Bank				Requirements
	September 30, 2012		December 31, 2011		September 30, 2012		December 31, 2011		Adequately capitalized		Well- Capitalized
Total risk-based capital ratio	20.75	%	21.05	%	18.10	%	18.55	%	8.00	%	10.00	%
Tier 1 risk-based capital ratio	19.49	%	19.79	%	16.83	%	17.29	%	4.00	%	6.00	%
Leverage ratio	12.80	%	12.96	%	11.19	%	11.45	%	4.00	%	5.00	%

Stock Repurchase Program

In October 2011, the Board of Directors approved a stock repurchase program authorizing the Company to repurchase up to 2 million shares of its outstanding shares of common stock. The Company intends to purchase the shares from time to time in the open market or in private transactions, under conditions which allow such repurchases to be accretive to earnings per share while maintaining capital ratios that exceed the guidelines for a well-capitalized financial institution. No shares were repurchased under the stock repurchase program during the first nine months of 2012.

53

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

A number of measures are used to monitor and manage interest rate risk, including income simulations and interest sensitivity (gap) analysis. An income simulation model is the primary tool used to assess the direction and magnitude of changes in net interest income resulting from changes in interest rates. Basic assumptions in the model include prepayment speeds on mortgage-related assets, cash flows and maturities of other investment securities, loan and deposit volumes and pricing. These assumptions are inherently subjective and, as a result, the model cannot precisely estimate net interest income or precisely predict the impact of higher or lower interest rates on net interest income. Actual results will differ from simulated results due to timing, magnitude and frequency of interest rate changes and changes in market conditions and management strategies, among other factors. At September 30, 2012, based on the measures used to monitor and manage interest rate risk, there has not been a material change in the Company’s interest rate risk since December 31, 2011. For additional information, refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s 2011 Annual Report on Form 10-K.

Item 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

An evaluation was carried out under the supervision and with the participation of the Company’s management, including the Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934). Based on that evaluation, the CEO and CFO have concluded that as of the end of the period covered by this report, our disclosure controls and procedures are effective in ensuring that the information required to be disclosed by us in the reports we file or submit under the Securities Exchange Act of 1934 is (i) accumulated and communicated to our management (including the CEO and CFO) to allow timely decisions regarding required disclosure, and (ii) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

Changes in Internal Controls Over Financial Reporting

There was no change in our internal controls over financial reporting during our most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal controls over financial reporting.

54

PART II - OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

The Company and its banking subsidiary are parties to routine litigation arising in the ordinary course of business. Management believes that, based on the information currently known to them, any liabilities arising from such litigation will not have a material adverse impact on the Company’s financial condition, results of operations or cash flows.

Item 1A. RISK FACTORS

Refer to Item 1A of Part I of the Company’s Annual Report on Form 10-K for the year ended December 31, 2011 for a discussion of risk factors relating to the Company’s business. The Company believes that there has been no material change in its risk factors as previously disclosed in the Company’s Form 10-K, except for the following new risk factors related to the pending merger with West Coast Bancorp.

The pending merger with West Coast Bancorp is subject to closing conditions that, if not satisfied or waived, could result in our inability to consummate the transaction, which may cause the price of our stock to decline.

On September 25, 2012, we entered into an Agreement and Plan of Merger with West Coast Bancorp (“West Coast”). The closing of the transaction is subject to the satisfaction of certain conditions, including the receipt of required regulatory approvals and the approval of West Coast's and our respective shareholders. No assurance can be given as to when or whether these approvals will be received.  If we do not complete this merger, the trading price of our stock may decline based on the market assumption that the merger will be completed.

Furthermore, if the merger agreement is terminated (i) due to our failure to obtain requisite approval from our shareholders or (ii) due to our failure to obtain regulatory approval, we will be required to pay West Coast a termination fee of $5 million.

We may fail to realize all of the anticipated benefits of our pending merger with West Coast.

The success of our pending merger with West Coast will depend on, among other things, the ability to successfully combine Columbia and the West Coast organizations. If we are not able to achieve this objective, the anticipated benefits of the merger may not be realized fully or at all, or may take longer than expected to be realized.

Columbia and West Coast have operated and, until the completion of the merger, will continue to operate, independently. The companies may have  challenges addressing possible differences in standards, procedures and policies. It is also possible that clients, customers, depositors and counterparties of West Coast could choose to discontinue their relationships with the combined company, which could adversely affect our future anticipated performance.

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

(a) Not applicable

(b) Not applicable

(c) Not applicable

Item 3. DEFAULTS UPON SENIOR SECURITIES

None.

Item 4. MINE SAFETY DISCLOSURES

Not applicable.

Item 5. OTHER INFORMATION

None.

55

Item 6. EXHIBITS

18	Preferability Letter Regarding Change in Accounting Policy relating to Goodwill
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32	Certification Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101*	The following financial information from Columbia Banking System, Inc’s. Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 is formatted in XBRL: (i) the Unaudited Consolidated Balance Sheets, (ii) the Unaudited Consolidated Statements of Income, (iii) the Unaudited Consolidated Statements of Comprehensive Income, (iv) the Unaudited Consolidated Statements of Changes in Shareholders' Equity, (v) the Unaudited Consolidated Statements of Cash Flows, and (vi) the Notes to Unaudited Consolidated Financial Statements.

*    Furnished herewith

56

SIGNATURES

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

		COLUMBIA BANKING SYSTEM, INC.
Date:	November 2, 2012	By	/s/ MELANIE J. DRESSEL
			Melanie J. Dressel
			President and Chief Executive Officer (Principal Executive Officer)
Date:	November 2, 2012	By	/s/ CLINT E. STEIN
			Clint E. Stein
			Executive Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)

57

INDEX TO EXHIBITS

18	Preferability Letter Regarding Change in Accounting Policy relating to Goodwill
31.1	Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32	Certification Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101*	The following financial information from Columbia Banking System, Inc.'s Quarterly Report on Form 10-Q for the quarter ended September 30, 2012 is formatted in XBRL: (i) the Unaudited Consolidated Balance Sheets, (ii) the Unaudited Consolidated Statements of Income, (iii) the Unaudited Consolidated Statements of Comprehensive Income, (iv) the Unaudited Consolidated Statements of Changes in Shareholders' Equity, (v) the Unaudited Consolidated Statements of Cash Flows, and (vi) the Notes to Unaudited Consolidated Financial Statements.

*    Furnished herewith

58

EX-18

EXHIBIT 18

November 2, 2012

Columbia Banking Systems, Inc.

1301 A Street

Tacoma, Washington

Dear Sirs/Madams:

At your request, we have read the description included in your Quarterly Report on Form 10-Q to the Securities and Exchange Commission for the quarter ended September 30, 2012, of the facts relating to the change in the goodwill impairment measurement date from September 30 to July 31. We believe, on the basis of the facts so set forth and other information furnished to us by appropriate officials of the Company, that the accounting change described in your Form 10-Q is to an alternative accounting principle that is preferable under the circumstances.

We have not audited any consolidated financial statements of Columbia Banking Systems, Inc. and its consolidated subsidiaries as of any date or for any period subsequent to December 31, 2011. Therefore, we are unable to express, and we do not express, an opinion on the facts set forth in the above-mentioned Form 10-Q, on the related information furnished to us by officials of the Company, or on the financial position, results of operations, or cash flows of Columbia Banking Systems, Inc. and its consolidated subsidiaries as of any date or for any period subsequent to December 31, 2011.

Yours truly,

/s/ Deloitte & Touche LLP

Seattle, Washington

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, Melanie J. Dressel, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Columbia Banking System, Inc.;

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

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

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

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

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

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

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

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

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

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

/s/ MELANIE J. DRESSEL

Melanie J. Dressel
President and Chief Executive Officer

Date: November 2, 2012

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Clint E. Stein, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Columbia Banking System, Inc.;

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

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

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

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

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

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

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

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

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

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

/s/ CLINT E. STEIN

Clint E. Stein
Executive Vice President and
Chief Financial Officer

Date: November 2, 2012

EX-32

EXHIBIT 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Columbia Banking System, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Melanie J. Dressel, President and Chief Executive Officer, and Clint E. Stein, Executive Vice President and Chief Financial Officer, 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/ MELANIE J. DRESSEL

Melanie J. Dressel

President and Chief Executive Officer

Columbia Banking System, Inc.

/s/ CLINT E. STEIN

Clint E. Stein

Executive Vice President and

Chief Financial Officer

Columbia Banking System, Inc.

Dated: November 2, 2012

XML

Noncovered Loans (Analysis of Impaired Loans) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	$ 2,436,042	$ 2,436,042		$ 2,436,042	$ 2,290,083
Recorded Investment of Loans Individually Measured for Specific Impairment	40,802	40,802		40,802	58,288
Average Recorded Investment Impaired Loans	45,206	50,741	74,253	60,412
Interest Recognized on Impaired Loans	320	891	1,029	331
Impaired Loans With Recorded Allowance [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	3,715	3,715		3,715	5,226
Unpaid Principal Balance	4,423	4,423		4,423	7,329
Related Allowance	730	730		730	1,484
Impaired Loans Without Recorded Allowance [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	37,087	37,087		37,087	53,062
Unpaid Principal Balance	56,674	56,674		56,674	81,922
Commercial Portfolio Segment [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	41,966	41,966		41,966	47,309
Recorded Investment of Loans Individually Measured for Specific Impairment	100	100		100	97
Recorded Investment	100	100		100	97
Unpaid Principal Balance	100	100		100	97
Related Allowance	100	100		100	97
Average Recorded Investment Impaired Loans	118	118	148	194
Interest Recognized on Impaired Loans	1	5	0	(1)
Commercial Portfolio Segment [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	1,088,513	1,088,513		1,088,513	972,531
Recorded Investment of Loans Individually Measured for Specific Impairment	8,486	8,486		8,486	8,886
Recorded Investment	1,498	1,498		1,498	2,926
Unpaid Principal Balance	2,086	2,086		2,086	2,927
Related Allowance	315	315		315	954
Average Recorded Investment Impaired Loans	10,306	10,008	17,251	8,400
Interest Recognized on Impaired Loans	6	14	16	(36)
Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	384,110	384,110		384,110	390,225
Recorded Investment of Loans Individually Measured for Specific Impairment	14,209	14,209		14,209	14,564
Recorded Investment	1,559	1,559		1,559	274
Unpaid Principal Balance	1,657	1,657		1,657	274
Related Allowance	245	245		245	185
Average Recorded Investment Impaired Loans	13,185	13,668	15,427	15,799
Interest Recognized on Impaired Loans	244	762	298	234
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	579,603	579,603		579,603	527,362
Recorded Investment of Loans Individually Measured for Specific Impairment	6,275	6,275		6,275	6,631
Recorded Investment	0	0		0	687
Unpaid Principal Balance	0	0		0	759
Related Allowance	0	0		0	63
Average Recorded Investment Impaired Loans	7,577	7,830	9,444	7,454
Interest Recognized on Impaired Loans	55	60	526	84
Real Estate Portfolio Segment [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	40,824	40,824		40,824	46,882
Recorded Investment of Loans Individually Measured for Specific Impairment	3,065	3,065		3,065	3,799
Recorded Investment	205	205		205	0
Unpaid Principal Balance	214	214		214	0
Related Allowance	1	1		1	0
Average Recorded Investment Impaired Loans	3,079	3,242	4,380	3,790
Interest Recognized on Impaired Loans	0	0	0	0
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	45,849	45,849		45,849	61,584
Recorded Investment of Loans Individually Measured for Specific Impairment	1,976	1,976		1,976	2,479
Recorded Investment	353	353		353	582
Unpaid Principal Balance	366	366		366	590
Related Allowance	69	69		69	96
Average Recorded Investment Impaired Loans	2,014	2,140	2,498	2,236
Interest Recognized on Impaired Loans	(9)	0	0	0
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	28,101	28,101		28,101	18,847
Recorded Investment of Loans Individually Measured for Specific Impairment	2,829	2,829		2,829	5,084
Recorded Investment	0	0		0	59
Unpaid Principal Balance	0	0		0	1,509
Related Allowance	0	0		0	59
Average Recorded Investment Impaired Loans	2,792	3,539	4,397	3,713
Interest Recognized on Impaired Loans	12	17	0	0
Real Estate Construction Portfolio Segment [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	16,263	16,263		16,263	17,813
Recorded Investment of Loans Individually Measured for Specific Impairment	2,819	2,819		2,819	7,388
Recorded Investment	0	0		0	450
Unpaid Principal Balance	0	0		0	948
Related Allowance	0	0		0	0
Average Recorded Investment Impaired Loans	3,213	4,876	9,368	8,202
Interest Recognized on Impaired Loans	0	0	176	38
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	23,974	23,974		23,974	12,790
Recorded Investment of Loans Individually Measured for Specific Impairment	0	0		0	0
Average Recorded Investment Impaired Loans	0	0	0	0
Interest Recognized on Impaired Loans	0	0	0	0
Real Estate Construction Portfolio Segment [Member] | Owner Occupied Construction [Member] [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	0	0		0	0
Unpaid Principal Balance	0	0		0	0
Related Allowance	0	0		0	0
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	27,027	27,027		27,027	13,810
Recorded Investment of Loans Individually Measured for Specific Impairment	0	0		0	7,067
Recorded Investment	0	0		0	0
Unpaid Principal Balance	0	0		0	0
Related Allowance	0	0		0	0
Average Recorded Investment Impaired Loans	1,877	3,961	7,064	6,800
Interest Recognized on Impaired Loans	0	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment of Loans Collectively Measured for Contingency Provision	159,812	159,812		159,812	180,930
Recorded Investment of Loans Individually Measured for Specific Impairment	1,043	1,043		1,043	2,293
Recorded Investment	0	0		0	151
Unpaid Principal Balance	0	0		0	225
Related Allowance	0	0		0	30
Average Recorded Investment Impaired Loans	1,045	1,359	4,276	3,824
Interest Recognized on Impaired Loans	11	33	13	12
Impaired Loans Without Recorded Allowance [Member] | Commercial Portfolio Segment [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	0	0		0	0
Unpaid Principal Balance	0	0		0	0
Impaired Loans Without Recorded Allowance [Member] | Commercial Portfolio Segment [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	6,988	6,988		6,988	5,960
Unpaid Principal Balance	12,330	12,330		12,330	12,109
Impaired Loans Without Recorded Allowance [Member] | Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	12,650	12,650		12,650	14,290
Unpaid Principal Balance	18,162	18,162		18,162	18,524
Impaired Loans Without Recorded Allowance [Member] | Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	6,275	6,275		6,275	5,944
Unpaid Principal Balance	8,574	8,574		8,574	7,700
Impaired Loans Without Recorded Allowance [Member] | Real Estate Portfolio Segment [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	2,860	2,860		2,860	3,799
Unpaid Principal Balance	6,470	6,470		6,470	6,773
Impaired Loans Without Recorded Allowance [Member] | Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	1,623	1,623		1,623	1,897
Unpaid Principal Balance	1,832	1,832		1,832	2,136
Impaired Loans Without Recorded Allowance [Member] | Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	2,829	2,829		2,829	5,025
Unpaid Principal Balance	3,444	3,444		3,444	5,116
Impaired Loans Without Recorded Allowance [Member] | Real Estate Construction Portfolio Segment [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	2,819	2,819		2,819	6,938
Unpaid Principal Balance	4,813	4,813		4,813	11,978
Impaired Loans Without Recorded Allowance [Member] | Real Estate Construction Portfolio Segment [Member] | Owner Occupied Construction [Member] [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	0	0		0	0
Unpaid Principal Balance	0	0		0	0
Impaired Loans Without Recorded Allowance [Member] | Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	0	0		0	7,067
Unpaid Principal Balance	0	0		0	14,947
Impaired Loans Without Recorded Allowance [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment	1,043	1,043		1,043	2,142
Unpaid Principal Balance	$ 1,049	$ 1,049		$ 1,049	$ 2,639

XML

Goodwill and Intangible Assets (Estimated Future Amortization Expense of Core Deposit Intangibles) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Future Amortization Expense For Core Deposit Intangibles
2012	$ 1,082
2013	3,964
2014	3,397
2015	2,645
2016	$ 2,184

XML

Covered Assets and FDIC Loss-sharing Asset (Changes in Accretable Yield for Acquired Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Covered Assets And FDIC Loss Sharing Asset
Balance at beginning of period	$ 214,061	$ 259,669	$ 256,572	$ 314,333
Accretion	(19,571)	(69,045)	(60,369)	(23,608)
Disposals	(3,146)	(8,218)	(24,134)	(8,594)
Reclassifications (to) from nonaccretable difference	(2,861)	6,077	50,320	69
Balance at end of period	$ 188,483	$ 188,483	$ 282,200	$ 188,483

XML

Shareholders' Equity (Details) (USD $)	0 Months Ended				0 Months Ended
	Oct. 25, 2012	Apr. 25, 2012	Jan. 26, 2012	May 23, 2012	Jul. 26, 2012 Dividend Declared [Member]	Aug. 23, 2012 Dividend Declared [Member]
Subsequent Event [Line Items]
Special cash dividend payable			$ 0.29	$ 0.14		$ 0.21
Declared quarterly cash dividend	$ 0.09	$ 0.08	$ 0.08		$ 0.09

XML

Covered Assets and FDIC Loss-sharing Asset (Narrative) (Details) (USD $)	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Payment Of Clawback If Losses Less Than Stated Levels, Period After Acquisition		10 years 45 days
Amount of estimated clawback liability	$ 3,800,000	$ 3,800,000		$ 3,800,000
Provision for loan and lease losses		34,506,000	4,962,000
Federal deposit insurance corporation loss-sharing indemnified assets	101,800,000	101,800,000		101,800,000
Federal deposit insurance corporation loss-sharing indemnified assets receivable	9,900,000	9,900,000		9,900,000
FDIC Loss-sharing Asset, Period Increase (Decrease)	18,700,000
Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Percentage of loss shared by FDIC	80.00%	80.00%		80.00%
FDIC Percentage Of Loss Recoveries	80.00%	80.00%		80.00%
Percentage of loss shared by FDIC When Loss Share Thresholds Met	95.00%	95.00%		95.00%
Percentage Of Loss Recoveries Shared By FDIC When Loss Share Thresholds Met	95.00%	95.00%		95.00%
Provision for loan and lease losses	(3,992,000)	23,381,000	2,312,000	433,000
Impairment expenses		26,000,000
Negative provision to adjust allowance for loss		$ 2,600,000
Covered Loans [Member] | Maximum [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loss Sharing Agreement Effective Years		10 years
Loss Recovery Provision Effective Years		10 years
Covered Loans [Member] | Minimum [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loss Sharing Agreement Effective Years		5 years
Loss Recovery Provision Effective Years		8 years

XML

Securities (Summary of Gross Unrealized Losses and Fair Value of the Investments with Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months Fair Value	$ 34,013	$ 242,695
Less than 12 Months Unrealized Losses	(276)	(2,023)
12 Months or More Fair Value	19,844	2,116
12 Months or More Unrealized Losses	(190)	(65)
Total Fair Value	53,857	244,811
Total Unrealized Losses	(466)	(2,088)
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months Fair Value	33,377	238,875
Less than 12 Months Unrealized Losses	(272)	(1,999)
12 Months or More Fair Value	18,445	196
12 Months or More Unrealized Losses	(151)	(1)
Total Fair Value	51,822	239,071
Total Unrealized Losses	(423)	(2,000)
State and Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months Fair Value	636	3,820
Less than 12 Months Unrealized Losses	(4)	(24)
12 Months or More Fair Value	424	950
12 Months or More Unrealized Losses	(14)	(34)
Total Fair Value	1,060	4,770
Total Unrealized Losses	(18)	(58)
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 Months Fair Value	0	0
Less than 12 Months Unrealized Losses	0	0
12 Months or More Fair Value	975	970
12 Months or More Unrealized Losses	(25)	(30)
Total Fair Value	975	970
Total Unrealized Losses	$ (25)	$ (30)

XML

Fair Value Accounting and Measurement (Financial Assets And Liabilities Accounted for Fair Value On Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 943,624	$ 1,028,110
Fair Value, Level 2 to level 1 Transfers, Amount	0
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	943,624	1,028,110
Other assets (Interest rate contracts)	16,375	16,302
Other liabilities (Interest rate contracts)	16,375	16,302
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Other assets (Interest rate contracts)	0	0
Other liabilities (Interest rate contracts)	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	940,674	1,028,110
Other assets (Interest rate contracts)	16,375	16,302
Other liabilities (Interest rate contracts)	16,375	16,302
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,950	0
Other assets (Interest rate contracts)	0	0
Other liabilities (Interest rate contracts)	0	0
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	563,208	695,954
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	563,208	695,954
U.S. Government Agency and Sponsored Enterprise Mortgage-Back Securities and Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
State and Municipal Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	282,500	285,763
State and Municipal Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
State and Municipal Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	279,550	285,763
State and Municipal Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	2,950	0
U.S. Government Agency [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	94,506	43,063
U.S. Government Agency [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
U.S. Government Agency [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	94,506	43,063
U.S. Government Agency [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Other Securities [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	3,410	3,330
Other Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	0	0
Other Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	3,410	3,330
Other Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 0	$ 0

XML

Covered Assets and FDIC Loss-sharing Asset (Tables)

9 Months Ended

Sep. 30, 2012

Covered Assets And FDIC Loss Sharing Asset [Line Items]

Analysis and Allowance for Losses on Covered Loans

The following is an analysis of our covered loans, net of related allowance for losses as of September 30, 2012 and December 31, 2011:

	September 30, 2012		December 31, 2011
Covered loans:	(dollars in thousands)
Commercial business	$	141,094	$	195,737
Real estate:
One-to-four family residential	62,959		79,328
Commercial and multifamily residential	257,279		311,308
Total real estate	320,238		390,636
Real estate construction:
One-to-four family residential	29,774		54,402
Commercial and multifamily residential	16,694		23,661
Total real estate construction	46,468		78,063
Consumer	46,532		56,877
Subtotal of covered loans	554,332		721,313
Less:
Valuation discount resulting from acquisition accounting	95,889		184,440
Allowance for loan losses	29,157		4,944
Covered loans, net of allowance for loan losses	$	429,286	$	531,929

Changes in Accretable Yield for Acquired Loans

The following table shows the changes in accretable yield for acquired loans for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	214,061		$	314,333		$	259,669		$	256,572
Accretion	(19,571		)	(23,608		)	(69,045		)	(60,369		)
Disposals	(3,146		)	(8,594		)	(8,218		)	(24,134		)
Reclassifications from (to) nonaccretable difference	(2,861		)	69			6,077			50,320
Balance at end of period	$	188,483		$	282,200		$	188,483		$	282,200

Financing Receivable Credit Quality Indicators

The following is an analysis of the credit quality of our covered loan portfolio as of December 31, 2012 and 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Covered loans:
Commercial business:
Secured	$	81,399	$	1,990	$	50,526	$	—	$	—	$	133,915
Unsecured	4,899		—		2,280		—		—		7,179
Real estate:
One-to-four family residential	47,369		1,493		14,097		—		—		62,959
Commercial and multifamily residential:
Commercial land	17,464		—		13,259		—		—		30,723
Income property multifamily	92,829		3,337		23,171		—		—		119,337
Owner occupied	87,809		3,229		16,181		—		—		107,219
Real estate construction:
One-to-four family residential:
Land and acquisition	4,733		1,422		8,258		—		—		14,413
Residential construction	6,504		—		8,857		—		—		15,361
Commercial and multifamily residential:
Income property multifamily	4,702		—		8,652		—		—		13,354
Owner occupied	1,114		—		2,226		—		—		3,340
Consumer	40,940		177		5,415		—		—		46,532
Total	$	389,762	$	11,648	$	152,922	$	—	$	—	554,332
Less:
Valuation discount resulting from acquisition accounting											95,889
Allowance for loan losses											29,157
Covered loans, net											$	429,286

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Covered loans:
Commercial business:
Secured	$	103,472	$	6,239	$	73,793	$	1,209	$	1	$	184,714
Unsecured	7,608		741		2,659		15		—		11,023
Real estate:
One-to-four family residential	56,948		2,210		20,170		—		—		79,328
Commercial and multifamily residential:
Commercial land	21,947		1,213		21,027		—		—		44,187
Income property multifamily	109,339		4,013		35,567		—		—		148,919
Owner occupied	89,555		3,673		24,974		—		—		118,202
Real estate construction:
One-to-four family residential:
Land and acquisition	4,834		1,535		17,646		1,289		—		25,304
Residential construction	8,264		371		20,463		—		—		29,098
Commercial and multifamily residential:
Income property multifamily	2,928		2,779		13,657		—		—		19,364
Owner occupied	1,142		—		3,155		—		—		4,297
Consumer	48,067		255		8,150		357		48		56,877
Total	$	454,104	$	23,029	$	241,261	$	2,870	$	49	721,313
Less:
Valuation discount resulting from acquisition accounting											184,440
Allowance for loan losses											4,944
Covered loans, net											$	531,929

Covered OREO at Carrying Value

The following table sets forth activity in covered OREO at carrying value for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Covered OREO:
Balance at beginning of period	$	19,079		$	23,730		$	28,126		$	14,443
Established through acquisitions	—			—			—			10,387
Transfers in	3,096			2,979			8,497			8,071
Additional OREO write-downs	(730		)	(189		)	(2,769		)	(302		)
Proceeds from sale of OREO property	(6,822		)	(3,523		)	(25,202		)	(14,604		)
Gain on sale of OREO	1,888			1,838			7,859			6,840
Total covered OREO at end of period	$	16,511		$	24,835		$	16,511		$	24,835

FDIC Loss-sharing Asset

The following table shows a detailed analysis of the FDIC loss-sharing asset for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	140,003		$	209,694		$	175,071		$	205,991
Adjustments not reflected in income
Established through acquisitions	—			—			—			68,734
Cash received from the FDIC	(14,881		)	(6,108		)	(49,194		)	(51,000		)
FDIC reimbursable losses, net	(494		)	1,138			587			2,192
Adjustments reflected in income
Amortization, net	(9,694		)	(10,928		)	(33,418		)	(32,556		)
Loan impairment (recapture)	(3,193		)	921			18,705			2,424
Sale of other real estate	(1,315		)	(1,471		)	(4,881		)	(3,487		)
Write-downs of other real estate	1,141			467			4,503			911
Other	110			156			304			660
Balance at end of period	$	111,677		$	193,869		$	111,677		$	193,869

Covered Loans [Member]

Covered Assets And FDIC Loss Sharing Asset [Line Items]

Allowance for Credit Losses on Financing Receivables

The changes in the ALLL for covered loans for the three and nine months ended September 30, 2012 and 2011 are summarized as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	31,784		$	7,948		$	4,944		$	6,055
Loans charged off	(977		)	(312		)	(2,574		)	(368		)
Recoveries	2,342			258			3,406			328
Provision (recapture) charged to expense	(3,992		)	433			23,381			2,312
Balance at end of period	$	29,157		$	8,327		$	29,157		$	8,327

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Covered Assets and FDIC Loss-sharing Asset (Covered OREO at Carrying Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Balance, beginning of period		$ 51,019
Proceeds from sale of OREO property		(15,069)	(10,234)
Gain on sale of OREO		8,604	7,069
Total OREO, end of period	27,386	27,386		27,386
Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Balance, beginning of period	19,079	28,126	14,443	23,730
Covered real estate acquired through foreclosure	0	0	10,387	0
Transfers in	3,096	8,497	8,071	2,979
Additional OREO write-down	(730)	(2,769)	(302)	(189)
Proceeds from sale of OREO property	(6,822)	(25,202)	(14,604)	(3,523)
Gain on sale of OREO	1,888	7,859	6,840	1,838
Total OREO, end of period	$ 16,511	$ 16,511	$ 24,835	$ 16,511

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Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Allowance for Noncovered Loan and Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Allowance for Loan and Lease Losses [Roll Forward]
Provision for loan and lease losses		$ 34,506	$ 4,962
Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	52,196	53,041	60,993	54,057
Charged-offs	(5,241)	(17,272)	(16,653)	(4,872)
Recoveries	1,697	4,633	3,432	737
Provision for loan and lease losses	2,875	11,125	2,650	500
Ending balance	51,527	51,527	50,422	51,527
Specific Reserve	730	730	966	730
General Allocation	50,797	50,797	49,456	50,797
Commercial Portfolio Segment [Member] | Secured Loans [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	26,505	24,745	21,811	22,320
Charged-offs	(3,744)	(8,126)	(6,025)	(1,904)
Recoveries	194	1,184	749	420
Provision for loan and lease losses	3,007	8,159	6,763	2,462
Ending balance	25,962	25,962	23,298	25,962
Specific Reserve	315	315	54	315
General Allocation	25,647	25,647	23,244	25,647
Commercial Portfolio Segment [Member] | Unsecured Loans [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	772	689	738	573
Charged-offs	(31)	(52)	(126)	(42)
Recoveries	83	130	408	40
Provision for loan and lease losses	(56)	1	(282)	167
Ending balance	768	768	738	768
Specific Reserve	100	100	0	100
General Allocation	668	668	738	668
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	673	654	1,100	847
Charged-offs	(49)	(499)	(717)	(53)
Recoveries	157	202	78	78
Provision for loan and lease losses	(216)	208	481	70
Ending balance	565	565	942	565
Specific Reserve	69	69	0	69
General Allocation	496	496	942	496
Real Estate Portfolio Segment [Member] | Commercial Land [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	270	488	634	894
Charged-offs	(55)	(437)	(660)	(4)
Recoveries	0	0	0	0
Provision for loan and lease losses	207	371	786	(130)
Ending balance	422	422	760	422
Specific Reserve	1	1	0	1
General Allocation	421	421	760	421
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	8,726	9,551	15,210	14,709
Charged-offs	(436)	(3,959)	(979)	(339)
Recoveries	357	710	65	10
Provision for loan and lease losses	387	2,732	(5,323)	(5,407)
Ending balance	9,034	9,034	8,973	9,034
Specific Reserve	0	0	297	0
General Allocation	9,034	9,034	8,676	9,034
Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	9,037	9,606	9,692	6,479
Charged-offs	(101)	(712)	(723)	(100)
Recoveries	89	628	31	0
Provision for loan and lease losses	(694)	(1,191)	(2,310)	311
Ending balance	8,331	8,331	6,690	8,331
Specific Reserve	245	245	408	245
General Allocation	8,086	8,086	6,282	8,086
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	755	665	274	43
Charged-offs	0	(93)	(1,710)	(145)
Recoveries	63	64	0	0
Provision for loan and lease losses	(456)	(274)	1,491	157
Ending balance	362	362	55	362
Specific Reserve	0	0	0	0
General Allocation	362	362	55	362
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	68	35	70	34
Charged-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for loan and lease losses	23	56	(43)	(7)
Ending balance	91	91	27	91
Specific Reserve	0	0	0	0
General Allocation	91	91	27	91
Real Estate Construction Portfolio Segment [Member] | Land and Acquisition [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,651	2,331	3,769	2,852
Charged-offs	(307)	(809)	(1,347)	(169)
Recoveries	404	827	1,831	63
Provision for loan and lease losses	(279)	(880)	(1,238)	269
Ending balance	1,469	1,469	3,015	1,469
Specific Reserve	0	0	175	0
General Allocation	1,469	1,469	2,840	1,469
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,197	864	2,292	1,704
Charged-offs	(18)	(617)	(1,068)	(14)
Recoveries	0	79	92	56
Provision for loan and lease losses	3	856	208	(222)
Ending balance	1,182	1,182	1,524	1,182
Specific Reserve	0	0	0	0
General Allocation	1,182	1,182	1,524	1,182
Consumer Portfolio Segment [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	2,049	2,719	2,120	2,748
Charged-offs	(500)	(1,968)	(3,298)	(2,102)
Recoveries	350	809	178	70
Provision for loan and lease losses	267	606	4,701	2,985
Ending balance	2,166	2,166	3,701	2,166
Specific Reserve	0	0	32	0
General Allocation	2,166	2,166	3,669	2,166
Unallocated Financing Receivables [Member] | Noncovered Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	493	694	3,283	854
Charged-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for loan and lease losses	682	481	(2,584)	(155)
Ending balance	1,175	1,175	699	1,175
Specific Reserve	0	0	0	0
General Allocation	$ 1,175	$ 1,175	$ 699	$ 1,175

XML

Noncovered Loans (Analysis of Nonaccrual Loans) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	$ 41,589	$ 53,483
Unpaid Principal Balance Nonaccrual Loans	66,108	88,868
Commercial Portfolio Segment [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	12,455	10,124
Unpaid Principal Balance Nonaccrual Loans	21,683	16,820
Commercial Portfolio Segment [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	109	119
Unpaid Principal Balance Nonaccrual Loans	109	719
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	2,220	2,696
Unpaid Principal Balance Nonaccrual Loans	2,617	3,011
Real Estate Portfolio Segment [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,647	3,739
Unpaid Principal Balance Nonaccrual Loans	7,581	7,230
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	6,628	6,775
Unpaid Principal Balance Nonaccrual Loans	9,233	9,265
Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	9,184	8,971
Unpaid Principal Balance Nonaccrual Loans	12,598	10,932
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	0	7,067
Unpaid Principal Balance Nonaccrual Loans	0	14,912
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	0	0
Real Estate Construction Portfolio Segment [Member] | Land and Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,332	7,799
Unpaid Principal Balance Nonaccrual Loans	7,360	16,703
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	2,027	2,986
Unpaid Principal Balance Nonaccrual Loans	2,648	5,316
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	1,987	3,207
Unpaid Principal Balance Nonaccrual Loans	$ 2,279	$ 3,960

XML

Covered Assets and FDIC Loss-sharing Asset Covered Loans - Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net Reported Amount	$ 2,854,603		$ 2,827,259
Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	554,332		721,313
Valuation discount on covered loans	95,889		184,440
Loans and Leases Receivable, Allowance	29,157	31,784	4,944	8,327	7,948	6,055
Loans and Leases Receivable, Net Reported Amount	429,286		531,929
Covered Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	389,762		454,104
Covered Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	11,648		23,029
Covered Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	152,922		241,261
Covered Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		2,870
Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		49
Real Estate Portfolio Segment [Member] | Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	320,238		390,636
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	62,959		79,328
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	30,723		44,187
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	119,337		148,919
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	107,219		118,202
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	47,369		56,948
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	17,464		21,947
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	92,829		109,339
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	87,809		89,555
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,493		2,210
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		1,213
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,337		4,013
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,229		3,673
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	14,097		20,170
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	13,259		21,027
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	23,171		35,567
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	16,181		24,974
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	46,468		78,063
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	29,774		54,402
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	13,354		19,364
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,340		4,297
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	14,413		25,304
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	15,361		29,098
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,702		2,928
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,114		1,142
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,733		4,834
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	6,504		8,264
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		2,779
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,422		1,535
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		371
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,652		13,657
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,226		3,155
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,258		17,646
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,857		20,463
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		1,289
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Consumer Portfolio Segment [Member] | Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	46,532		56,877
Consumer Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	40,940		48,067
Consumer Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	177		255
Consumer Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	5,415		8,150
Consumer Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		357
Consumer Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		48
Commercial Portfolio Segment [Member] | Covered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	141,094		195,737
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	133,915		184,714
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	7,179		11,023
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	81,399		103,472
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Pass [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,899		7,608
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,990		6,239
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Special Mention [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		741
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	50,526		73,793
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Substandard [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,280		2,659
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		1,209
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Doubtful [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		15
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		1
Commercial Portfolio Segment [Member] | Covered Loans [Member] | Unlikely to be Collected Financing Receivable [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 0		$ 0

XML

Earnings per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Earnings Per Share [Abstract]
Net Income	$ 11,880	$ 32,681	$ 33,283	$ 18,872
Less: Earnings allocated to participating securities	(113)	(336)	(311)	(177)
Earnings allocated to common shareholders, Basic	11,767	32,345	32,972	18,695
Weighted average common shares outstanding	39,289	39,248	39,092	39,131
Basic earnings per common share	$ 0.30	$ 0.82	$ 0.84	$ 0.48
Dilutive effect of equity awards and warrants	2	3	75	61
Earnings allocated to common shareholders, Diluted	$ 11,767	$ 32,345	$ 32,972	$ 18,695
Weighted average diluted common shares outstanding	39,291	39,251	39,167	39,192
Diluted earnings per common share	$ 0.30	$ 0.82	$ 0.84	$ 0.48
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive.	53	46	62	75

XML

Covered Assets and FDIC Loss-sharing Asset (Analysis and Allowance for Losses on Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans, net	$ 2,854,603		$ 2,827,259
Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	554,332		721,313
Valuation discount on covered loans	95,889		184,440
Allowance for loan losses	29,157	31,784	4,944	8,327	7,948	6,055
Loans, net	429,286		531,929
Commercial Portfolio Segment [Member] | Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	141,094		195,737
Real Estate Portfolio Segment [Member] | Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	320,238		390,636
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | One-to-Four Family Residential [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	62,959		79,328
Real Estate Portfolio Segment [Member] | Covered Loans [Member] | Commercial and Multifamily Residential [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	257,279		311,308
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	46,468		78,063
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | One-to-Four Family Residential [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	29,774		54,402
Real Estate Construction Portfolio Segment [Member] | Covered Loans [Member] | Commercial and Multifamily Residential [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	16,694		23,661
Consumer Portfolio Segment [Member] | Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 46,532		$ 56,877

XML

Basis of Presentation and Significant Accounting Policies

9 Months Ended

Sep. 30, 2012

Basis of Presentation And Significant Accounting Policies

Basis of Presentation and Significant Accounting Policies

Basis of Presentation and Significant Accounting Policies

Basis of Presentation

The interim unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and with instructions to Form 10-Q and Article 10 of Regulation S-X. The consolidated financial statements include the accounts of the Company, and its wholly owned banking subsidiary Columbia Bank (the “Bank”). All intercompany transactions and accounts have been eliminated in consolidation. In the opinion of management, all adjustments (consisting only of normal recurring adjustments) considered necessary for a fair statement of the results for the interim periods presented have been included. The results of operations for the nine months ended September 30, 2012 are not necessarily indicative of results to be anticipated for the year ending December 31, 2012. The accompanying interim unaudited consolidated financial statements should be read in conjunction with the financial statements and related notes contained in the Company’s 2011 Annual Report on Form 10-K.

Significant Accounting Policies

The significant accounting policies used in preparation of our consolidated financial statements are disclosed in our 2011 Annual Report on Form 10-K. Other than as discussed below, there have not been any changes in our significant accounting policies compared to those contained in our 2011 Form 10-K disclosure for the year ended December 31, 2011.

XML

Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Changes in the Allowance for Unfunded Commitments and Letters of Credit) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Allowance For Loan And Lease Losses And Unfunded Loan Commitments And Letters Of Credit
Beginning balance	$ 1,665	$ 1,535	$ 1,165	$ 1,460
Allowance for Loan and Lease Losses, Net Changes In Unfunded Commitments and Letters Of Credit Allowance	250	380	295	0
Ending balance	$ 1,915	$ 1,915	$ 1,460	$ 1,915

XML

Earnings per Common Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
	(in thousands except per share)
Basic EPS:
Net income	$	11,880		$	18,872		$	32,681		$	33,283
Less: Earnings allocated to participating securities	(113		)	(177		)	(336		)	(311		)
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Basic earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Diluted EPS:
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Dilutive effect of equity awards	2			61			3			75
Weighted average diluted common shares outstanding	39,291			39,192			39,251			39,167
Diluted earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive	53			75			46			62

XML

Fair Value Accounting and Measurement (Tables)

9 Months Ended

Sep. 30, 2012

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

Financial Assets And Liabilities Accounted For Fair Value On Recurring Basis

The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis at September 30, 2012 and December 31, 2011 by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
September 30, 2012	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	563,208	$	—	$	563,208	$	—
State and municipal debt securities	282,500		—		279,550		2,950
U.S. government agency and government-sponsored enterprise securities	94,506		—		94,506		—
Other securities	3,410		—		3,410		—
Total securities available for sale	$	943,624	$	—	$	940,674	$	2,950
Other assets (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
December 31, 2011	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	695,954	$	—	$	695,954	$	—
State and municipal debt securities	285,763		—		285,763		—
U.S. government agency and government-sponsored enterprise securities	43,063		—		43,063		—
Other securities	3,330		—		3,330		—
Total securities available for sale	$	1,028,110	$	—	$	1,028,110	$	—
Other assets (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—

Financial Assets Accounted For Fair Value On Nonrecurring Basis

The following tables set forth the Company's assets that were measured using fair value estimates on a nonrecurring basis at September 30, 2012 and 2011.

	Fair value at September 30, 2012		Fair Value Measurements at Reporting Date Using						Gains (Losses) During the Three Months Ended September 30, 2012			Losses During the Nine Months Ended September 30, 2012
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	6,094	$	—	$	—	$	6,094	$	509		$	(3,377	)
Noncovered OREO	1,807		—		—		1,807		(458		)	(3,117		)
Covered OREO	1,021		—		—		1,021		(481		)	(1,025		)
Noncovered OPPO	—		—		—		—		—			(1,990		)
	$	8,922	$	—	$	—	$	8,922	$	(430	)	$	(9,509	)

	Fair value  at September 30, 2011		Fair Value Measurements at Reporting Date Using						Losses During the Three Months Ended September 30, 2011			Losses During the Nine Months Ended September 30, 2011
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	3,717	$	—	$	—	$	3,717	$	(735	)	$	(4,707	)
Noncovered OREO	2,876		—		—		2,876		(573		)	(3,120		)
Covered OREO	455		—		—		455		(204		)	(280		)
Noncovered OPPO	—		—		—		—		—			(185		)
	$	7,048	$	—	$	—	$	7,048	$	(1,512	)	$	(8,292	)

Fair Value, by Balance Sheet Grouping

The following table summarizes carrying amounts and estimated fair values of selected financial instruments as well as assumptions used by the Company in estimating fair value:

	September 30, 2012										December 31, 2011
	Carrying Amount		Fair Value		Level 1		Level 2		Level 3		Carrying Amount		Fair Value
	(in thousands)
Assets
Cash and due from banks	$	98,979	$	98,979	$	98,979	$	—	$	—	$	91,364	$	91,364
Interest-earning deposits with banks	463,613		463,613		463,613		—		—		202,925		202,925
Securities available for sale	943,624		943,624		—		940,674		2,950		1,028,110		1,028,110
FHLB stock	22,017		22,017		—		22,017		—		22,215		22,215
Loans held for sale	3,600		3,600		—		3,600		—		2,148		2,148
Loans	2,854,603		2,944,623		—		—		2,944,623		2,827,259		2,957,345
FDIC loss-sharing asset	111,677		35,518		—		—		35,518		175,071		71,788
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302
Liabilities
Deposits	$	3,938,855	$	3,939,661	$	3,421,361	$	518,300	$	—	$	3,815,529	$	3,817,013
FHLB Advances	113,080		113,206		—		113,206		—		119,009		119,849
Repurchase agreements	25,000		26,220		—		26,220		—		25,000		26,580
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302

Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]

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

Fair Value Inputs, Assets, Quantitative Information

The range and weighted-average of the significant unobservable inputs used to fair value our Level 3 nonrecurring assets, along with the valuation techniques used, are shown in the following table:

	Fair value at September 30, 2012		Valuation Technique	Unobservable Input	Range (Weighted Average) (1)
	(dollars in thousands)
Impaired loans - real estate collateral	$	4,148	Market	Adjustment to Appraisal Value	N/A (2)
Impaired loans - other collateral (3)	1,946		Market	Adjustment to stated value	0% - 70% (33%)
Noncovered OREO	1,807		Market	Adjustment to Appraisal Value	N/A (2)
Covered OREO	1,021		Market	Adjustment to Appraisal Value	N/A (2)
Noncovered OPPO	—		Market	Adjustment to Appraisal Value	N/A (2)
(1) Discount applied to appraisal value, letter of intent to purchase, or stated value (in the case of accounts receivable and inventory).
(2) Quantitative disclosures are not provided for impaired loans collateralized by real estate, noncovered OREO, covered OREO and noncovered OPPO because there were no adjustments made to the appraisal value during the current period.
(3) Other collateral consists of accounts receivable and inventory.

XML

Derivatives and Hedging Activities (Details) (Not Designated as Hedging Instrument [Member], Interest Rate Contracts [Member], USD $)	Sep. 30, 2012	Dec. 31, 2011
Derivative [Line Items]
Notional Amount of Interest Rate Derivative Instruments Not Designated as Hedging Instruments	$ 164,300,000	$ 160,300,000
Other Assets [Member]
Derivative [Line Items]
Fair value of asset derivative instruments	16,375,000	16,302,000
Other Liabilities [Member]
Derivative [Line Items]
Fair value of liability derivative instruments	$ 16,375,000	$ 16,302,000

XML

Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Analysis of Credit Quality of Noncovered Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net	$ 2,854,603		$ 2,827,259
Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,476,844		2,348,371
Recorded Investment	2,476,844		2,348,371
Loans and Leases Receivable, Allowance	51,527	52,196	53,041	50,422	54,057	60,993
Loans, net	2,425,317		2,295,330
Pass [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,308,142		2,134,167
Special Mention [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	34,274		55,850
Substandard [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	134,358		157,965
Doubtful [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	70		384
Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		5
Commercial Portfolio Segment [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,096,999		981,417
Loans and Leases Receivable, Allowance	25,962	26,505	24,745	23,298	22,320	21,811
Commercial Portfolio Segment [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	42,066		47,406
Loans and Leases Receivable, Allowance	768	772	689	738	573	738
Commercial Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,024,510		908,883
Commercial Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	41,496		46,732
Commercial Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,596		18,703
Commercial Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	26		318
Commercial Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	53,893		53,447
Commercial Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	544		356
Commercial Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		384
Commercial Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Secured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Unsecured Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	47,825		64,063
Loans and Leases Receivable, Allowance	565	673	654	942	847	1,100
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	43,889		50,681
Loans and Leases Receivable, Allowance	422	270	488	760	894	634
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	585,878		533,993
Loans and Leases Receivable, Allowance	9,034	8,726	9,551	8,973	14,709	15,210
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	398,319		404,789
Loans and Leases Receivable, Allowance	8,331	9,037	9,606	6,690	6,479	9,692
Real Estate Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	45,393		58,517
Real Estate Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	39,842		44,166
Real Estate Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	557,868		492,922
Real Estate Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	356,582		351,928
Real Estate Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	407		2,040
Real Estate Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		5
Real Estate Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,496		16,002
Real Estate Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	3,940		13,590
Real Estate Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,025		3,506
Real Estate Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,047		6,510
Real Estate Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	19,514		25,069
Real Estate Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	37,797		39,266
Real Estate Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | One-to-Four Family Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Commercial Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		5
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	27,027		20,877
Loans and Leases Receivable, Allowance	362	755	665	55	43	274
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	23,974		12,790
Loans and Leases Receivable, Allowance	91	68	35	27	34	70
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	19,082		25,201
Loans and Leases Receivable, Allowance	1,469	1,651	2,331	3,015	2,852	3,769
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	30,930		23,931
Loans and Leases Receivable, Allowance	1,182	1,197	864	1,524	1,704	2,292
Real Estate Construction Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	27,027		12,812
Real Estate Construction Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	23,974		12,790
Real Estate Construction Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	11,467		12,349
Real Estate Construction Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	25,130		16,764
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,035		2,684
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	476		1,649
Real Estate Construction Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		8,065
Real Estate Construction Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	5,580		10,168
Real Estate Construction Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	5,324		5,518
Real Estate Construction Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Income Property Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Land and Acquisition [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Real Estate Construction Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	0		0
Consumer Portfolio Segment [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	160,855		183,223
Loans and Leases Receivable, Allowance	2,166	2,049	2,719	3,701	2,748	2,120
Consumer Portfolio Segment [Member] | Pass [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	154,853		176,304
Consumer Portfolio Segment [Member] | Special Mention [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	298		859
Consumer Portfolio Segment [Member] | Substandard [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	5,634		6,060
Consumer Portfolio Segment [Member] | Doubtful [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	70		0
Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member] | Noncovered Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 0		$ 0

XML

Securities (Securities Available for Sale) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 898,434	$ 987,560
Gross Unrealized Gains	45,656	42,638
Gross Unrealized Losses	(466)	(2,088)
Fair Value	943,624	1,028,110
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	544,106	678,631
Gross Unrealized Gains	19,525	19,323
Gross Unrealized Losses	(423)	(2,000)
Fair Value	563,208	695,954
State and Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	258,130	263,075
Gross Unrealized Gains	24,388	22,746
Gross Unrealized Losses	(18)	(58)
Fair Value	282,500	285,763
U.S. Government and Government-Sponsored Enterprise Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	92,888	42,558
Gross Unrealized Gains	1,618	505
Gross Unrealized Losses	0	0
Fair Value	94,506	43,063
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,310	3,296
Gross Unrealized Gains	125	64
Gross Unrealized Losses	(25)	(30)
Fair Value	$ 3,410	$ 3,330

XML

Securities (Schedule of Contractual Maturities of Investment Securities Available for Sale) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Available-for-sale Securities [Abstract]
Due within one year, Amortized Cost	$ 23,144
Due after one year through five years, Amortized Cost	138,171
Due after five years through ten years, Amortized Cost	152,525
Due after ten years, Amortized Cost	581,285
No stated maturity date, Amortized Cost Basis	3,309
Total investment securities available-for-sale, Amortized Cost	898,434
Due within one year, Fair Value	26,360
Due after one year through five years, Fair Value	142,207
Due after five years through ten years, Fair Value	160,307
Due after ten years, Fair Value	611,341
No stated maturity date, Fair Value	3,409
Total investment securities available-for-sale, Fair Value	$ 943,624

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows From Operating Activities
Net Income	$ 32,681	$ 33,283
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan and lease losses and losses on covered loans	34,506	4,962
Stock-based compensation expense	1,152	1,163
Depreciation, amortization and accretion	45,873	35,168
Business Combination, Bargain Purchase, Gain Recognized, Amount	0	1,830
Net realized gain on sale of securities	62	0
Net realized gain on sale of other assets	(35)	(13)
Net realized (gain) loss on sale of other real estate owned	(8,604)	(7,069)
Gain on termination of cash flow hedging instruments	0	(222)
Write-down on other real estate owned	7,001	5,392
Net change in:
Loans held for sale	(1,452)	(1,814)
Interest receivable	(1,300)	(3,384)
Interest payable	(374)	(226)
Other assets	(5,223)	3,186
Other liabilities	(3,881)	1,608
Net cash provided by operating activities	100,282	70,204
Cash Flows From Investing Activities
Loans originated and acquired, net of principal collected	(72,180)	(69,420)
Purchases of securities available for sale	(87,346)	(294,678)
Purchases of premises and equipment	(12,404)	(10,619)
Proceeds from FDIC reimbursement on loss-sharing asset	49,194	51,000
Proceeds from sales of securities available for sale	3,845	0
Proceeds from principal repayments and maturities of securities available for sale	163,584	101,071
Proceeds from disposal of premises and equipment	25	59
Proceeds from sales of covered other real estate owned	25,202	14,604
Proceeds from sales of other real estate and other personal property owned	15,069	10,234
Capital improvements on other real estate properties	(11)	(726)
Decrease in Small Business Administration secured borrowings	0	(642)
Net cash acquired in business combinations	0	247,792
Net cash provided by (used in) investing activities	84,978	48,675
Cash Flows From Financing Activities
Net increase (decrease) in deposits	123,326	(215,701)
Proceeds from Federal Home Loan Bank advances	0	100
Proceeds from Federal Reserve Bank borrowings	0	100
Proceeds from exercise of stock options	713	792
Repayment of Federal Home Loan Bank advances	(5,744)	(39,447)
Repayment of Federal Reserve Bank borrowings	0	(100)
Payment of common stock dividends	(35,252)	(5,524)
Payments for purchase and retirement of common stock	0	(32)
Net decrease in other borrowings	0	(25,735)
Net cash used by financing activities	83,043	(285,547)
Increase (Decrease) in cash and cash equivalents	268,303	(166,668)
Cash and cash equivalents at beginning of period	294,289	514,130
Cash and cash equivalents at end of period	562,592	347,462
Supplemental Information:
Cash paid for interest	7,640	11,967
Cash paid for income tax	9,605	12,870
Non-cash investing activities
Assets acquired in FDIC-assisted acquisitions (excluding cash and cash equivalents)	0	485,870
Liabilities assumed in FDIC-assisted acquisitions	0	731,832
Loans transferred to other real estate owned	$ 15,024	$ 16,505

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Securities (Carrying Value of Securities Pledged as Collateral) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Carrying amount of securities pledged as collateral	$ 348,107
Washington and Oregon State Public Deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Carrying amount of securities pledged as collateral	249,626
Federal Reserve Bank Advances [Member]
Schedule of Available-for-sale Securities [Line Items]
Carrying amount of securities pledged as collateral	51,487
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Carrying amount of securities pledged as collateral	$ 46,994

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Noncovered Loans Noncovered Loans (Analysis of Troubled Debt Restructurings) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended	15 Months Ended
	Sep. 30, 2011 Modifications	Sep. 30, 2012 Modifications
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	5	1
Pre-Modification Outstanding Recorded Investment	$ 1,237	$ 226
Post-Modification Outstanding Recorded Investment	1,237	226
Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	3	1
Pre-Modification Outstanding Recorded Investment	578	226
Post-Modification Outstanding Recorded Investment	578	226
Income Property Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1
Pre-Modification Outstanding Recorded Investment	623
Post-Modification Outstanding Recorded Investment	623
Residential Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of TDR Modifications	1
Pre-Modification Outstanding Recorded Investment	36
Post-Modification Outstanding Recorded Investment	$ 36

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Goodwill and Intangible Assets (Schedule of Goodwill and Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Goodwill and Intangible Assets [Roll Forward]
Total goodwill, beginning of period	$ 115,554	$ 115,554	$ 109,639	$ 118,434
Established through acquisitions	0	0	8,795	0
Total goodwill, end of period	115,554	115,554	118,434	115,554
Core deposit intangible, net, beginning of period		20,166
CDI current period amortization	(1,093)	(3,362)	(3,116)	(1,177)
Total goodwill and intangible assets, end of period	132,357	132,357	139,803	132,357
Total core deposit intangible, end of period	16,803	16,803		16,803
Core Deposits [Member]
Goodwill and Intangible Assets [Line Items]
Estimated life of CDI, in years		10 years
Goodwill and Intangible Assets [Roll Forward]
Gross core deposit intangible balance, beginning of period					32,441	32,441	28,497	26,651
Accumulated amortization at beginning of period					(14,545)	(12,275)	(9,894)	(7,955)
Core deposit intangible, net, beginning of period	17,896	20,166	18,696	18,603
Established through acquisitions	0	0	5,789	3,943
CDI current period amortization	(1,093)	(3,363)	(3,116)	(1,177)
Total core deposit intangible, end of period	$ 16,803	$ 16,803	$ 21,369	$ 16,803

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 98,979	$ 91,364
Interest-earning deposits with banks	463,613	202,925
Total cash and cash equivalents	562,592	294,289
Securities available for sale at fair value (amortized cost of $898,434 and $987,560, respectively)	943,624	1,028,110
Federal Home Loan Bank stock at cost	22,017	22,215
Loans held for sale	3,600	2,148
Loans, net	2,854,603	2,827,259
FDIC loss sharing asset	111,677	175,071
Interest receivable	16,587	15,287
Premises and equipment, net	115,506	107,899
Other real estate owned ($16,511 and $28,126 covered by FDIC loss share, respectively)	27,386	51,019
Goodwill	115,554	115,554
Core deposit intangible, net	16,803	20,166
Other assets	113,100	126,928
Total Assets	4,903,049	4,785,945
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest-bearing	1,270,321	1,156,610
Interest-bearing	2,668,534	2,658,919
Total deposits	3,938,855	3,815,529
Federal Home Loan Bank advances	113,080	119,009
Securities sold under agreements to repurchase	25,000	25,000
Other liabilities	64,137	67,069
Total liabilities	4,141,072	4,026,607
Commitments and contingent liabilities
Shareholders' equity:
Authorized shares	63,033	63,033
Common Stock Shares Issued And Outstanding	39,689	39,506
Common Stock (no par value)	581,001	579,136
Retained earnings	152,498	155,069
Accumulated other comprehensive income	28,478	25,133
Total shareholders' equity	761,977	759,338
Total Liabilities and Shareholders' Equity	4,903,049	4,785,945
Noncovered Loans [Member]
ASSETS
Loans held for sale	3,600	2,148
Loans, excluding covered loans, net of unearned income of ($11,523) and ($16,217), respectively	2,476,844	2,348,371
Loans and Leases Receivable, Allowance	51,527	53,041
Loans, net	2,425,317	2,295,330
Other real estate owned ($16,511 and $28,126 covered by FDIC loss share, respectively)	10,875	22,893
Covered Loans [Member]
ASSETS
Loans and Leases Receivable, Allowance	29,157	4,944
Loans, net	429,286	531,929
Other real estate owned ($16,511 and $28,126 covered by FDIC loss share, respectively)	$ 16,511	$ 28,126

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Changes in Noncovered Other Real Estate Owned (Summary of Noncovered Other Real Estate Owned) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Other Real Estate Owned [Line Items]
Balance, beginning of period		$ 51,019
Proceeds from sale of OREO property		(15,069)	(10,234)
Gain (loss) on sale of OREO		8,604	7,069
Total OREO, end of period	27,386	27,386		27,386
Noncovered Loans [Member]
Other Real Estate Owned [Line Items]
Balance, beginning of period	13,925	22,893	30,991	22,739
Transfers in, net of write-downs ($24, $0, $24, and $108)	139	6,527	8,434	5,287
Transfers in, write-downs	24			0
OREO improvements	0	11	726	257
Additional OREO write-down	(458)	(4,232)	(5,090)	(644)
Proceeds from sale of OREO property	(3,170)	(15,069)	(10,234)	(2,359)
Gain (loss) on sale of OREO	439	745	229	(224)
Total OREO, end of period	$ 10,875	$ 10,875	$ 25,056	$ 10,875

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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended	15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Net unrealized holding gain (loss) from available for sale securities arising during the period, tax	$ 1,432	$ 2,808
Reclassification adjustment of net gain from sale of available for sale securities included in income, tax	0	0
Reclassification adjustment of net gain included in income, tax	0	0
Net unrealized gain from unfunded defined benefit plan liability arising during the period, tax	0	0
Less: amortization of unrecognized net actuarial loss included in net periodic pension cost, tax	$ (7)	$ (8)

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Fair Value Accounting and Measurement (Quantitative Information About Level 3 Fair Value Measurements) (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified															3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2011 Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Noncovered Loans [Member]	Sep. 30, 2011 Noncovered Loans [Member]	Sep. 30, 2012 Noncovered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2011 Noncovered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Covered Loans [Member]	Sep. 30, 2011 Covered Loans [Member]	Sep. 30, 2012 Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2011 Covered Loans [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Real Estate Collateral [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Other Collateral [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2012 Other Collateral [Member] Market Approach Valuation Technique [Member] Impaired Loans [Member] Minimum [Member] Fair Value, Inputs, Level 3 [Member]		Sep. 30, 2012 Other Collateral [Member] Market Approach Valuation Technique [Member] Impaired Loans [Member] Maximum [Member] Fair Value, Inputs, Level 3 [Member]		Sep. 30, 2012 Other Collateral [Member] Market Approach Valuation Technique [Member] Impaired Loans [Member] Weighted Average [Member] Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	$ 6,094	$ 3,717	$ 6,094	$ 3,717									$ 4,148	$ 1,946
OREO					1,807	2,876	1,807	2,876	1,021	455	1,021	455
OPPO					$ 0	$ 0	$ 0	$ 0
Fair Value Inputs, Comparability Adjustments															0.00%	[1],[2]	70.00%	[1],[2]	33.00%	[1],[2]

[1] (3) Other collateral consists of accounts receivable and inventory.

[2] (1) Discount applied to appraisal value, letter of intent to purchase, or stated value (in the case of accounts receivable and inventory).

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Noncovered Loans (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012 contract	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Loans to related parties	$ 13,500,000	$ 9,000,000
Advances on related party loans	6,900,000
Repayments on related party loans	2,400,000
Additional funds committed to lend on loans classified as TDR	1,200,000	535,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0
Loans Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	441,600,000	462,000,000
Federal Reserve Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 61,700,000	$ 351,300,000

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Noncovered Loans (Tables) (Noncovered Loans [Member])

9 Months Ended

Sep. 30, 2012

Noncovered Loans [Member]

Financing Receivable, Recorded Investment [Line Items]

Analysis of Loan Portfolio by Major Types of Loans

The following is an analysis of the noncovered loan portfolio by major types of loans (net of unearned income):

	September 30, 2012			December 31, 2011
Noncovered loans:	(in thousands)
Commercial business	$	1,142,737		$	1,031,721
Real estate:
One-to-four family residential	47,656			64,491
Commercial and multifamily residential	1,035,356			998,165
Total real estate	1,083,012			1,062,656
Real estate construction:
One-to-four family residential	50,381			50,208
Commercial and multifamily residential	51,466			36,768
Total real estate construction	101,847			86,976
Consumer	160,771			183,235
Less: Net unearned income	(11,523		)	(16,217		)
Total noncovered loans, net of unearned income	2,476,844			2,348,371
Less: Allowance for loan and lease losses	(51,527		)	(53,041		)
Total noncovered loans, net	$	2,425,317		$	2,295,330
Loans held for sale	$	3,600		$	2,148

Analysis of nonaccrual loans

The following is an analysis of noncovered, nonaccrual loans as of September 30, 2012 and December 31, 2011:

	September 30, 2012				December 31, 2011
	Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans		Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	12,455	$	21,683	$	10,124	$	16,820
Unsecured	109		109		119		719
Real estate:
One-to-four family residential	2,220		2,617		2,696		3,011
Commercial & multifamily residential
Commercial land	3,647		7,581		3,739		7,230
Income property multifamily	6,628		9,233		6,775		9,265
Owner occupied	9,184		12,598		8,971		10,932
Real estate construction:
One-to-four family residential
Land and acquisition	3,332		7,360		7,799		16,703
Residential construction	2,027		2,648		2,986		5,316
Commercial & multifamily residential
Income property multifamily	—		—		7,067		14,912
Consumer	1,987		2,279		3,207		3,960
Total	$	41,589	$	66,108	$	53,483	$	88,868

Past Due Financing Receivables

The following is an aging of the recorded investment of the noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,079,237	$	4,735	$	572	$	—	$	5,307	$	12,455	$	1,096,999
Unsecured	41,414		58		485		—		543		109		42,066
Real estate:
One-to-four family residential	45,173		31		401		—		432		2,220		47,825
Commercial & multifamily residential
Commercial land	39,729		93		420		—		513		3,647		43,889
Income property multifamily	576,969		2,281		—		—		2,281		6,628		585,878
Owner occupied	388,011		1,124		—		—		1,124		9,184		398,319
Real estate construction:
One-to-four family residential
Land and acquisition	14,139		386		1,225		—		1,611		3,332		19,082
Residential construction	27,390		118		1,395		—		1,513		2,027		30,930
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		—		23,974
Consumer	157,901		848		119		—		967		1,987		160,855
Total	$	2,420,964	$	9,674	$	4,617	$	—	$	14,291	$	41,589	$	2,476,844
	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	966,563	$	1,741	$	2,989	$	—	$	4,730	$	10,124	$	981,417
Unsecured	46,880		407		—		—		407		119		47,406
Real estate:
One-to-four family residential	60,764		603		—		—		603		2,696		64,063
Commercial & multifamily residential
Commercial land	46,161		781		—		—		781		3,739		50,681
Income property multifamily	524,225		2,872		121		—		2,993		6,775		533,993
Owner occupied	394,691		829		298		—		1,127		8,971		404,789
Real estate construction:
One-to-four family residential
Land and acquisition	17,249		153		—		—		153		7,799		25,201
Residential construction	19,555		1,390		—		—		1,390		2,986		23,931
Commercial & multifamily residential
Income property multifamily	13,810		—		—		—		—		7,067		20,877
Owner occupied	12,790		—		—		—		—		—		12,790
Consumer	179,753		141		122		—		263		3,207		183,223
Total	$	2,282,441	$	8,917	$	3,530	$	—	$	12,447	$	53,483	$	2,348,371

Impaired Financing Receivables

The following is an analysis of impaired loans as of September 30, 2012 and December 31, 2011:

	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,088,513	$	8,486	$	1,498	$	2,086	$	315	$	6,988	$	12,330
Unsecured	41,966		100		100		100		100		—		—
Real estate:
One-to-four family residential	45,849		1,976		353		366		69		1,623		1,832
Commercial & multifamily residential
Commercial land	40,824		3,065		205		214		1		2,860		6,470
Income property multifamily	579,603		6,275		—		—		—		6,275		8,574
Owner occupied	384,110		14,209		1,559		1,657		245		12,650		18,162
Real estate construction:
One-to-four family residential
Land and acquisition	16,263		2,819		—		—		—		2,819		4,813
Residential construction	28,101		2,829		—		—		—		2,829		3,444
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		—
Owner occupied	23,974		—		—		—		—		—		—
Consumer	159,812		1,043		—		—		—		1,043		1,049
Total	$	2,436,042	$	40,802	$	3,715	$	4,423	$	730	$	37,087	$	56,674
	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	972,531	$	8,886	$	2,926	$	2,927	$	954	$	5,960	$	12,109
Unsecured	47,309		97		97		97		97		—		—
Real estate:
One-to-four family residential	61,584		2,479		582		590		96		1,897		2,136
Commercial & multifamily residential
Commercial land	46,882		3,799		—		—		—		3,799		6,773
Income property multifamily	527,362		6,631		687		759		63		5,944		7,700
Owner occupied	390,225		14,564		274		274		185		14,290		18,524
Real estate construction:
One-to-four family residential
Land and acquisition	17,813		7,388		450		948		—		6,938		11,978
Residential construction	18,847		5,084		59		1,509		59		5,025		5,116
Commercial & multifamily residential
Income property multifamily	13,810		7,067		—		—		—		7,067		14,947
Owner occupied	12,790		—		—		—		—		—		—
Consumer	180,930		2,293		151		225		30		2,142		2,639
Total	$	2,290,083	$	58,288	$	5,226	$	7,329	$	1,484	$	53,062	$	81,922

The following table provides additional information on impaired loans for the three and nine month periods indicated.

	Three Months Ended September 30,										Nine Months Ended September 30,
	2012					2011					2012				2011
	Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans		Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	10,306	$	6		$	8,400	$	(36	)	$	10,008	$	14	$	17,251	$	16
Unsecured	118		1			194		(1		)	118		5		148		—
Real estate:
One-to-four family residential	2,014		(9		)	2,236		—			2,140		—		2,498		—
Commercial & multifamily residential
Commercial land	3,079		—			3,790		—			3,242		—		4,380		—
Income property multifamily	7,577		55			7,454		84			7,830		60		9,444		526
Owner occupied	13,185		244			15,799		234			13,668		762		15,427		298
Real estate construction:
One-to-four family residential
Land and acquisition	3,213		—			8,202		38			4,876		—		9,368		176
Residential construction	2,792		12			3,713		—			3,539		17		4,397		—
Commercial & multifamily residential
Income property multifamily	1,877		—			6,800		—			3,961		—		7,064		—
Owner occupied	—		—			—		—			—		—		—		—
Consumer	1,045		11			3,824		12			1,359		33		4,276		13
Total	$	45,206	$	320		$	60,412	$	331		$	50,741	$	891	$	74,253	$	1,029

Analysis of loans classified as Troubled Debt Restructurings (“TDR”)

There were no Troubled Debt Restructurings ("TDR") during the three and nine months ended September 30, 2012. The following is an analysis of loans classified as TDR during the three and nine months ended September 30, 2011:

	Three months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	1	$	226	$	226
Total	1	$	226	$	226

	Nine months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	3	$	578	$	578
Real estate:
Commercial and multifamily residential:
Income property multifamily	1	623		623
Real estate construction:
One-to-four family residential:
Residential construction	1	36		36
Total	5	$	1,237	$	1,237

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Noncovered Loans (Analysis of Loan Portfolio by Major Types of Loans) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Deferred Income	$ 11,523		$ 16,217
Loans, net	2,854,603		2,827,259
Loans held for sale	3,600		2,148
Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Deferred Income	11,523		16,217
Recorded Investment	2,476,844		2,348,371
Allowance for loan losses	51,527	52,196	53,041	50,422	54,057	60,993
Loans, net	2,425,317		2,295,330
Loans held for sale	3,600		2,148
Commercial Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Gross, Commercial and Industrial	1,142,737		1,031,721
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable Real Estate Mortgage	1,083,012		1,062,656
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable Real Estate Construction	101,847		86,976
Consumer Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Consumer	160,771		183,235
Allowance for loan losses	2,166	2,049	2,719	3,701	2,748	2,120
One-to-Four Family Residential [Member] | Real Estate Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Consumer, Mortgage	47,656		64,491
Allowance for loan losses	565	673	654	942	847	1,100
One-to-Four Family Residential [Member] | Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Gross, Consumer, Construction	50,381		50,208
Commercial and Multifamily Residential [Member] | Real Estate Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Gross, Commercial, Mortgage	1,035,356		998,165
Commercial and Multifamily Residential [Member] | Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Receivable, Gross, Commercial, Construction	$ 51,466		$ 36,768

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Changes in Noncovered Other Real Estate Owned (Tables)

9 Months Ended

Sep. 30, 2012

Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]

Summary of Noncovered Other Real Estate Owned

The following tables set forth activity in noncovered OREO for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Noncovered OREO:
Balance at beginning of period	$	13,925		$	22,739		$	22,893		$	30,991
Transfers in, net of write-downs ($24, $0, $24 and $108, respectively)	139			5,287			6,527			8,434
OREO improvements	—			257			11			726
Additional OREO write-downs	(458		)	(644		)	(4,232		)	(5,090		)
Proceeds from sale of OREO property	(3,170		)	(2,359		)	(15,069		)	(10,234		)
Gain (loss) on sale of OREO, net	439			(224		)	745			229
Total noncovered OREO at end of period	$	10,875		$	25,056		$	10,875		$	25,056

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Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Balance, value at Dec. 31, 2010	$ 706,878	$ 576,905	$ 117,692	$ 12,281
Balance, shares at Dec. 31, 2010		39,338
Net Income	33,283		33,283
Other comprehensive income	13,406			13,406
Issuance of common stock - stock option and other plans, value	792	792
Issuance of common stock - stock option and other plans, shares		47
Issuance of common stock - restricted stock awards, net of cancelled awards, value	1,163	1,163
Issuance of common stock - restricted stock awards, net of cancelled awards, shares		119
Repurchase and retirement of common stock, shares		(2)
SRepurchase and retirement of common stock, value	(32)	(32)
Cash dividends paid on common stock	(5,524)		(5,524)
Balance, value at Sep. 30, 2011	749,966	578,828	145,451	25,687
Balance, shares at Sep. 30, 2011		39,502
Balance, value at Dec. 31, 2011	759,338	579,136	155,069	25,133
Balance, shares at Dec. 31, 2011		39,506
Net Income	32,681		32,681
Other comprehensive income	3,345			3,345
Issuance of common stock - stock option and other plans, value	713	713
Issuance of common stock - stock option and other plans, shares		40
Issuance of common stock - restricted stock awards, net of cancelled awards, value	1,152	1,152
Issuance of common stock - restricted stock awards, net of cancelled awards, shares		143
Cash dividends paid on common stock	(35,252)		(35,252)
Balance, value at Sep. 30, 2012	$ 761,977	$ 581,001	$ 152,498	$ 28,478
Balance, shares at Sep. 30, 2012		39,689

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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Securities available-for-sale, amortized cost	$ 898,434	$ 987,560
Less: Unearned income on loans	(11,523)	(16,217)
Other real estate owned covered by FDIC loss share	27,386	51,019
Common stock, par value
Common stock, shares authorized	63,033	63,033
Common stock, shares outstanding	39,689	39,506
Covered Loans [Member]
Allowance for losses on covered loans	(29,157)	(4,944)
Other real estate owned covered by FDIC loss share	$ 16,511	$ 28,126

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Shareholders' Equity

9 Months Ended

Sep. 30, 2012

Stockholders' Equity Note [Abstract]

Shareholders' Equity

Shareholders’ Equity

On January 26, 2012 the Company declared a quarterly cash dividend of $0.08 per share and a special, one-time cash dividend of $0.29 per share, both payable on February 22, 2012 to shareholders of record at the close of business February 8, 2012. On April 25, 2012 the Company declared a quarterly cash dividend of $0.08 per share and a special one-time cash dividend of $0.14 per share, payable on May 23, 2012 to shareholders of record at the close of business May 9, 2012. On July 26, 2012, the Company declared a quarterly cash dividend of $0.09 per share and a special one-time cash dividend of $0.21 per share, payable on August 22, 2012 to shareholders of record at the close of business August 8, 2012. Subsequent to quarter end, on October 25, 2012, the Company declared a quarterly cash dividend of $0.09 per share payable on November 21, 2012 to shareholders of record at the close of business November 7, 2012. The payment of cash dividends is subject to Federal regulatory requirements for capital levels and other restrictions. In addition, the cash dividends paid by Columbia Bank to the Company are subject to both Federal and State regulatory requirements.

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Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 31, 2012
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Entity Registrant Name	COLUMBIA BANKING SYSTEM INC
Entity Central Index Key	0000887343
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		39,687,880

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Derivatives and Hedging Activities

9 Months Ended

Sep. 30, 2012

General Discussion of Derivative Instruments and Hedging Activities [Abstract]

Derivatives and Hedging Activities

Derivatives and Hedging Activities

The Company periodically enters into certain commercial loan interest rate swap agreements in order to provide commercial loan customers the ability to convert from variable to fixed interest rates. Under these agreements, the Company enters into a variable-rate loan agreement with a customer in addition to a swap agreement. This swap agreement effectively converts the customer’s variable rate loan into a fixed rate. The Company then enters into a corresponding swap agreement with a third party in order to offset its exposure on the variable and fixed components of the customer agreement. As the interest rate swap agreements with the customers and third parties are not designated as hedges under the Derivatives and Hedging topic of the FASB ASC, the instruments are marked to market in earnings. The notional amount of open interest rate swap agreements at September 30, 2012 and December 31, 2011 was $164.3 million and $160.3 million, respectively. There was no impact to the statement of operations for the three or nine month periods ending September 30, 2012 and 2011.

The following table presents the fair value of derivatives not designated as hedging instruments at September 30, 2012 and December 31, 2011:

Asset Derivatives

Liability Derivatives

September 30, 2012

December 31, 2011

September 30, 2012

December 31, 2011

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

(in thousands)

Interest rate contracts

Other assets

$

16,375

Other assets

$

16,302

Other liabilities

$

16,375

Other liabilities

$

16,302

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Net income as reported	$ 11,880	$ 32,681	$ 33,283	$ 18,872
Unrealized gain from securities:
Net unrealized holding gain from available for sale securities arising during the period, net of tax of ($1,432), ($2,808), ($1,345), and ($7,733)	2,631	3,355	13,768	4,988
Reclassification adjustment of net gain from sale of available for sale securities included in income, net of tax of $0, $0, $23, and $0	0	(39)	0	0
Net unrealized gain from securities, net of reclassification adjustment	2,631	3,316	13,768	4,988
Cash flow hedging instruments:
Reclassification adjustment of net gain included in income, net of tax of $0, $0, $0, and $79		0	(143)
Net change in cash flow hedging instruments		0	(143)
Pension plan liability adjustment:
Unrecognized net actuarial gain (loss) during the period, net of tax of $0, $0, $0, and $154	0	0	(260)	0
Less: amortization of unrecognized net actuarial loss included in net periodic pension cost, net of tax of ($7), ($8), ($31), and ($23)	13	29	41	14
Pension plan liability adjustment, net	13	29	(219)	14
Total comprehensive income	$ 14,524	$ 36,026	$ 46,689	$ 23,874

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Noncovered Loans

9 Months Ended

Sep. 30, 2012

Noncovered Loans [Abstract]

Noncovered Loans

Noncovered Loans

Noncovered loans include loans originated through our branch network and loan departments as well as acquired loans that are not subject to FDIC loss-sharing agreements.

The following is an analysis of the noncovered loan portfolio by major types of loans (net of unearned income):

	September 30, 2012			December 31, 2011
Noncovered loans:	(in thousands)
Commercial business	$	1,142,737		$	1,031,721
Real estate:
One-to-four family residential	47,656			64,491
Commercial and multifamily residential	1,035,356			998,165
Total real estate	1,083,012			1,062,656
Real estate construction:
One-to-four family residential	50,381			50,208
Commercial and multifamily residential	51,466			36,768
Total real estate construction	101,847			86,976
Consumer	160,771			183,235
Less: Net unearned income	(11,523		)	(16,217		)
Total noncovered loans, net of unearned income	2,476,844			2,348,371
Less: Allowance for loan and lease losses	(51,527		)	(53,041		)
Total noncovered loans, net	$	2,425,317		$	2,295,330
Loans held for sale	$	3,600		$	2,148

At September 30, 2012 and December 31, 2011, the Company had no material foreign activities. Substantially all of the Company’s loans and unfunded commitments are geographically concentrated in its service areas within the states of Washington and Oregon.

The Company and its banking subsidiary have granted loans to officers and directors of the Company and related interests. These loans are made on the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with unrelated persons and do not involve more than the normal risk of collectability. The aggregate dollar amount of these loans was $13.5 million and $9.0 million at September 30, 2012 and December 31, 2011, respectively. During the first nine months of 2012, advances on related party loans were $6.9 million and repayments totaled $2.4 million.

At September 30, 2012 and December 31, 2011, $441.6 million and $462.0 million of commercial and residential real estate loans were pledged as collateral on Federal Home Loan Bank borrowings. The Company has also pledged $61.7 million and $351.3 million of commercial loans to the Federal Reserve Bank for additional borrowing capacity at September 30, 2012 and December 31, 2011, respectively.

The following is an analysis of noncovered, nonaccrual loans as of September 30, 2012 and December 31, 2011:

	September 30, 2012				December 31, 2011
	Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans		Recorded Investment Nonaccrual Loans		Unpaid Principal Balance Nonaccrual Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	12,455	$	21,683	$	10,124	$	16,820
Unsecured	109		109		119		719
Real estate:
One-to-four family residential	2,220		2,617		2,696		3,011
Commercial & multifamily residential
Commercial land	3,647		7,581		3,739		7,230
Income property multifamily	6,628		9,233		6,775		9,265
Owner occupied	9,184		12,598		8,971		10,932
Real estate construction:
One-to-four family residential
Land and acquisition	3,332		7,360		7,799		16,703
Residential construction	2,027		2,648		2,986		5,316
Commercial & multifamily residential
Income property multifamily	—		—		7,067		14,912
Consumer	1,987		2,279		3,207		3,960
Total	$	41,589	$	66,108	$	53,483	$	88,868

The following is an aging of the recorded investment of the noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,079,237	$	4,735	$	572	$	—	$	5,307	$	12,455	$	1,096,999
Unsecured	41,414		58		485		—		543		109		42,066
Real estate:
One-to-four family residential	45,173		31		401		—		432		2,220		47,825
Commercial & multifamily residential
Commercial land	39,729		93		420		—		513		3,647		43,889
Income property multifamily	576,969		2,281		—		—		2,281		6,628		585,878
Owner occupied	388,011		1,124		—		—		1,124		9,184		398,319
Real estate construction:
One-to-four family residential
Land and acquisition	14,139		386		1,225		—		1,611		3,332		19,082
Residential construction	27,390		118		1,395		—		1,513		2,027		30,930
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		—		23,974
Consumer	157,901		848		119		—		967		1,987		160,855
Total	$	2,420,964	$	9,674	$	4,617	$	—	$	14,291	$	41,589	$	2,476,844
	Current Loans		30 - 59 Days Past Due		60 - 89 Days Past Due		Greater than 90 Days Past Due		Total Past Due		Nonaccrual Loans		Total Loans
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	966,563	$	1,741	$	2,989	$	—	$	4,730	$	10,124	$	981,417
Unsecured	46,880		407		—		—		407		119		47,406
Real estate:
One-to-four family residential	60,764		603		—		—		603		2,696		64,063
Commercial & multifamily residential
Commercial land	46,161		781		—		—		781		3,739		50,681
Income property multifamily	524,225		2,872		121		—		2,993		6,775		533,993
Owner occupied	394,691		829		298		—		1,127		8,971		404,789
Real estate construction:
One-to-four family residential
Land and acquisition	17,249		153		—		—		153		7,799		25,201
Residential construction	19,555		1,390		—		—		1,390		2,986		23,931
Commercial & multifamily residential
Income property multifamily	13,810		—		—		—		—		7,067		20,877
Owner occupied	12,790		—		—		—		—		—		12,790
Consumer	179,753		141		122		—		263		3,207		183,223
Total	$	2,282,441	$	8,917	$	3,530	$	—	$	12,447	$	53,483	$	2,348,371

The following is an analysis of impaired loans as of September 30, 2012 and December 31, 2011:

	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	1,088,513	$	8,486	$	1,498	$	2,086	$	315	$	6,988	$	12,330
Unsecured	41,966		100		100		100		100		—		—
Real estate:
One-to-four family residential	45,849		1,976		353		366		69		1,623		1,832
Commercial & multifamily residential
Commercial land	40,824		3,065		205		214		1		2,860		6,470
Income property multifamily	579,603		6,275		—		—		—		6,275		8,574
Owner occupied	384,110		14,209		1,559		1,657		245		12,650		18,162
Real estate construction:
One-to-four family residential
Land and acquisition	16,263		2,819		—		—		—		2,819		4,813
Residential construction	28,101		2,829		—		—		—		2,829		3,444
Commercial & multifamily residential
Income property multifamily	27,027		—		—		—		—		—		—
Owner occupied	23,974		—		—		—		—		—		—
Consumer	159,812		1,043		—		—		—		1,043		1,049
Total	$	2,436,042	$	40,802	$	3,715	$	4,423	$	730	$	37,087	$	56,674
	Recorded Investment of Loans Collectively Measured for Contingency Provision		Recorded Investment of Loans Individually Measured for Specific Impairment		Impaired Loans With Recorded Allowance						Impaired Loans Without Recorded Allowance
					Recorded Investment		Unpaid Principal Balance		Related Allowance		Recorded Investment		Unpaid Principal Balance
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	972,531	$	8,886	$	2,926	$	2,927	$	954	$	5,960	$	12,109
Unsecured	47,309		97		97		97		97		—		—
Real estate:
One-to-four family residential	61,584		2,479		582		590		96		1,897		2,136
Commercial & multifamily residential
Commercial land	46,882		3,799		—		—		—		3,799		6,773
Income property multifamily	527,362		6,631		687		759		63		5,944		7,700
Owner occupied	390,225		14,564		274		274		185		14,290		18,524
Real estate construction:
One-to-four family residential
Land and acquisition	17,813		7,388		450		948		—		6,938		11,978
Residential construction	18,847		5,084		59		1,509		59		5,025		5,116
Commercial & multifamily residential
Income property multifamily	13,810		7,067		—		—		—		7,067		14,947
Owner occupied	12,790		—		—		—		—		—		—
Consumer	180,930		2,293		151		225		30		2,142		2,639
Total	$	2,290,083	$	58,288	$	5,226	$	7,329	$	1,484	$	53,062	$	81,922

The following table provides additional information on impaired loans for the three and nine month periods indicated.

	Three Months Ended September 30,										Nine Months Ended September 30,
	2012					2011					2012				2011
	Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans			Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans		Average Recorded Investment Impaired Loans		Interest Recognized on Impaired Loans
Noncovered loans:	(in thousands)
Commercial business
Secured	$	10,306	$	6		$	8,400	$	(36	)	$	10,008	$	14	$	17,251	$	16
Unsecured	118		1			194		(1		)	118		5		148		—
Real estate:
One-to-four family residential	2,014		(9		)	2,236		—			2,140		—		2,498		—
Commercial & multifamily residential
Commercial land	3,079		—			3,790		—			3,242		—		4,380		—
Income property multifamily	7,577		55			7,454		84			7,830		60		9,444		526
Owner occupied	13,185		244			15,799		234			13,668		762		15,427		298
Real estate construction:
One-to-four family residential
Land and acquisition	3,213		—			8,202		38			4,876		—		9,368		176
Residential construction	2,792		12			3,713		—			3,539		17		4,397		—
Commercial & multifamily residential
Income property multifamily	1,877		—			6,800		—			3,961		—		7,064		—
Owner occupied	—		—			—		—			—		—		—		—
Consumer	1,045		11			3,824		12			1,359		33		4,276		13
Total	$	45,206	$	320		$	60,412	$	331		$	50,741	$	891	$	74,253	$	1,029

There were no Troubled Debt Restructurings ("TDR") during the three and nine months ended September 30, 2012. The following is an analysis of loans classified as TDR during the three and nine months ended September 30, 2011:

	Three months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	1	$	226	$	226
Total	1	$	226	$	226

	Nine months ended September 30, 2011
	Number of TDR Modifications	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Noncovered loans:	(dollars in thousands)
Commercial business:
Secured	3	$	578	$	578
Real estate:
Commercial and multifamily residential:
Income property multifamily	1	623		623
Real estate construction:
One-to-four family residential:
Residential construction	1	36		36
Total	5	$	1,237	$	1,237

The Company's loans classified as TDR are loans that have been modified or the borrower has been granted special concessions due to financial difficulties that, if not for the challenges of the borrower, the Company would not otherwise consider. The Company had commitments to lend $1.2 million and $535 thousand of additional funds on loans classified as TDR as of September 30, 2012 and December 31, 2011, respectively. The TDR modifications or concessions are made to increase the likelihood that these borrowers with financial difficulties will be able to satisfy their debt obligations as amended. Credit losses for loans classified as TDR are measured on the same basis as impaired loans. For impaired loans, an allowance is established when the collateral value less selling costs (or discounted cash flows or observable market price) of the impaired loan is lower than the recorded investment of that loan.The Company did not have any loans modified as TDR within the past twelve months that have defaulted during the nine months ended September 30, 2012.

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Securities

9 Months Ended

Sep. 30, 2012

Available-for-sale Securities [Abstract]

Securities

Securities

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

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	544,106	$	19,525	$	(423	)	$	563,208
State and municipal securities	258,130		24,388		(18		)	282,500
U.S. government agency and government-sponsored enterprise securities	92,888		1,618		—			94,506
Other securities	3,310		125		(25		)	3,410
Total	$	898,434	$	45,656	$	(466	)	$	943,624
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	678,631	$	19,323	$	(2,000	)	$	695,954
State and municipal securities	263,075		22,746		(58		)	285,763
U.S. government agency and government-sponsored enterprise securities	42,558		505		—			43,063
Other securities	3,296		64		(30		)	3,330
Total	$	987,560	$	42,638	$	(2,088	)	$	1,028,110

The scheduled contractual maturities of investment securities available for sale at September 30, 2012 are presented as follows:

	September 30, 2012
	Amortized Cost		Fair Value
	(in thousands)
Due within one year	$	23,144	$	26,360
Due after one year through five years	138,171		142,207
Due after five years through ten years	152,525		160,307
Due after ten years	581,285		611,341
Other securities with no stated maturity	3,309		3,409
Total investment securities available-for-sale	$	898,434	$	943,624

The following table summarizes, as of September 30, 2012, the carrying value of securities pledged as collateral to secure public deposits, borrowings and other purposes as permitted or required by law:

	Carrying Amount
	(in thousands)
To Washington and Oregon State to secure public deposits	$	249,626
To Federal Reserve Bank to secure borrowings	51,487
Other securities pledged	46,994
Total securities pledged as collateral	$	348,107

The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2012 and December 31, 2011:

	Less than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	33,377	$	(272	)	$	18,445	$	(151	)	$	51,822	(423		)
State and municipal securities	636		(4		)	424		(14		)	1,060		(18		)
Other securities	—		—			975		(25		)	975		(25		)
Total	$	34,013	$	(276	)	$	19,844	$	(190	)	$	53,857	$	(466	)
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	238,875	$	(1,999	)	$	196	$	(1	)	$	239,071	$	(2,000	)
State and municipal securities	3,820		(24		)	950		(34		)	4,770		(58		)
Other securities	—		—			970		(30		)	970		(30		)
Total	$	242,695	$	(2,023	)	$	2,116	$	(65	)	$	244,811	$	(2,088	)

At September 30, 2012, there were 18 U.S. government agency and government-sponsored enterprise mortgage-backed securities & collateralized mortgage obligations securities in an unrealized loss position, of which nine were in a continuous loss position for 12 months or more. The decline in fair value is attributable to changes in interest rates relative to where these investments fall within the yield curve and their individual characteristics. Because the Company does not intend to sell these securities nor does the Company consider it more likely than not that it will be required to sell these securities before the recovery of amortized cost basis, which may be upon maturity, the Company does not consider these investments to be other-than-temporarily impaired at September 30, 2012.

At September 30, 2012, there were three state and municipal government securities in an unrealized loss position, of which two were in a continuous loss position for 12 months or more. The unrealized losses on state and municipal securities were caused by interest rate changes or widening of market spreads subsequent to the purchase of the individual securities. Management monitors published credit ratings of these securities for adverse changes. As of September 30, 2012, none of the rated obligations of state and local government entities held by the Company had an adverse credit rating. Because the credit quality of these securities are investment grade and the Company does not intend to sell these securities nor does the Company consider it more likely than not that it will be required to sell these securities before the recovery of amortized cost basis, which may be upon maturity, the Company does not consider these investments to be other-than-temporarily impaired at September 30, 2012.

At September 30, 2012, there was one other security, a mortgage-backed securities fund in a continuous unrealized loss position for 12 months or more. The decline in fair value is attributable to changes in interest rates and the additional risk premium investors are demanding for investment securities with these characteristics. The Company does not consider this investment to be other-than-temporarily impaired at September 30, 2012 as it has the intent and ability to hold the investment for sufficient time to allow for recovery in the market value.

Securities Deemed to be Other-Than-Temporarily Impaired

During 2011, the Company determined that one of its state and municipal securities with a par amount of $3.0 million was other-than-temporarily impaired due to it maturing during the period without repaying the principal amount. The Company determined that the entire amount of the other-than-temporary impairment was credit-related as the present value of the expected future cash flows for the defaulted security was zero. The credit-related other-than-temporary impairment of $3.0 million was recorded in the consolidated statements of income for the year ended December 31, 2011. The Company continues to hold this security at September 30, 2012. Based on information available at September 30, 2012, the the fair value of this security has been increased to the original par amount as the Company was notified that there would be a full repayment. The increase in fair value was recorded to accumulated other comprehensive income in the consolidated balance sheet. Subsequent to quarter end, on October 1, 2012, the Company received full payment on this municipal bond, including accrued interest.

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Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Tables)

9 Months Ended

Sep. 30, 2012

Financing Receivable, Allowance for Credit Losses [Line Items]

Changes in the Allowance for Unfunded Commitments and Letters of Credit

Changes in the allowance for unfunded commitments and letters of credit are summarized as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
	(in thousands)
Balance at beginning of period	$	1,665	$	1,460	$	1,535	$	1,165
Net changes in the allowance for unfunded commitments and letters of credit	250		—		380		295
Balance at end of period	$	1,915	$	1,460	$	1,915	$	1,460

Financing Receivable Credit Quality Indicators

The following is an analysis of the credit quality of our covered loan portfolio as of December 31, 2012 and 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Covered loans:
Commercial business:
Secured	$	81,399	$	1,990	$	50,526	$	—	$	—	$	133,915
Unsecured	4,899		—		2,280		—		—		7,179
Real estate:
One-to-four family residential	47,369		1,493		14,097		—		—		62,959
Commercial and multifamily residential:
Commercial land	17,464		—		13,259		—		—		30,723
Income property multifamily	92,829		3,337		23,171		—		—		119,337
Owner occupied	87,809		3,229		16,181		—		—		107,219
Real estate construction:
One-to-four family residential:
Land and acquisition	4,733		1,422		8,258		—		—		14,413
Residential construction	6,504		—		8,857		—		—		15,361
Commercial and multifamily residential:
Income property multifamily	4,702		—		8,652		—		—		13,354
Owner occupied	1,114		—		2,226		—		—		3,340
Consumer	40,940		177		5,415		—		—		46,532
Total	$	389,762	$	11,648	$	152,922	$	—	$	—	554,332
Less:
Valuation discount resulting from acquisition accounting											95,889
Allowance for loan losses											29,157
Covered loans, net											$	429,286

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Covered loans:
Commercial business:
Secured	$	103,472	$	6,239	$	73,793	$	1,209	$	1	$	184,714
Unsecured	7,608		741		2,659		15		—		11,023
Real estate:
One-to-four family residential	56,948		2,210		20,170		—		—		79,328
Commercial and multifamily residential:
Commercial land	21,947		1,213		21,027		—		—		44,187
Income property multifamily	109,339		4,013		35,567		—		—		148,919
Owner occupied	89,555		3,673		24,974		—		—		118,202
Real estate construction:
One-to-four family residential:
Land and acquisition	4,834		1,535		17,646		1,289		—		25,304
Residential construction	8,264		371		20,463		—		—		29,098
Commercial and multifamily residential:
Income property multifamily	2,928		2,779		13,657		—		—		19,364
Owner occupied	1,142		—		3,155		—		—		4,297
Consumer	48,067		255		8,150		357		48		56,877
Total	$	454,104	$	23,029	$	241,261	$	2,870	$	49	721,313
Less:
Valuation discount resulting from acquisition accounting											184,440
Allowance for loan losses											4,944
Covered loans, net											$	531,929

Noncovered Loans [Member]

Financing Receivable, Allowance for Credit Losses [Line Items]

Allowance for Credit Losses on Financing Receivables

The following tables show a detailed analysis of the allowance for loan and lease losses for noncovered loans for the three and nine months ended September 30, 2012 and 2011:

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	26,505	$	(3,744	)	$	194	$	3,007		$	25,962	$	315	$	25,647
Unsecured	772		(31		)	83		(56		)	768		100		668
Real estate:
One-to-four family residential	673		(49		)	157		(216		)	565		69		496
Commercial & multifamily residential
Commercial land	270		(55		)	—		207			422		1		421
Income property multifamily	8,726		(436		)	357		387			9,034		—		9,034
Owner occupied	9,037		(101		)	89		(694		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	1,651		(307		)	404		(279		)	1,469		—		1,469
Residential construction	1,197		(18		)	—		3			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	755		—			63		(456		)	362		—		362
Owner occupied	68		—			—		23			91		—		91
Consumer	2,049		(500		)	350		267			2,166		—		2,166
Unallocated	493		—			—		682			1,175		—		1,175
Total	$	52,196	$	(5,241	)	$	1,697	$	2,875		$	51,527	$	730	$	50,797
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	24,745	$	(8,126	)	$	1,184	$	8,159		$	25,962	$	315	$	25,647
Unsecured	689		(52		)	130		1			768		100		668
Real estate:
One-to-four family residential	654		(499		)	202		208			565		69		496
Commercial & multifamily residential
Commercial land	488		(437		)	—		371			422		1		421
Income property multifamily	9,551		(3,959		)	710		2,732			9,034		—		9,034
Owner occupied	9,606		(712		)	628		(1,191		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	2,331		(809		)	827		(880		)	1,469		—		1,469
Residential construction	864		(617		)	79		856			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	665		(93		)	64		(274		)	362		—		362
Owner occupied	35		—			—		56			91		—		91
Consumer	2,719		(1,968		)	809		606			2,166		—		2,166
Unallocated	694		—			—		481			1,175		—		1,175
Total	$	53,041	$	(17,272	)	$	4,633	$	11,125		$	51,527	$	730	$	50,797

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	22,320	$	(1,904	)	$	420	$	2,462		$	23,298	$	54	$	23,244
Unsecured	573		(42		)	40		167			738		—		738
Real estate:
One-to-four family residential	847		(53		)	78		70			942		—		942
Commercial & multifamily residential
Commercial land	894		(4		)	—		(130		)	760		—		760
Income property multifamily	14,709		(339		)	10		(5,407		)	8,973		297		8,676
Owner occupied	6,479		(100		)	—		311			6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	2,852		(169		)	63		269			3,015		175		2,840
Residential construction	1,704		(14		)	56		(222		)	1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	43		(145		)	—		157			55		—		55
Owner occupied	34		—			—		(7		)	27		—		27
Consumer	2,748		(2,102		)	70		2,985			3,701		32		3,669
Unallocated	854		—			—		(155		)	699		—		699
Total	$	54,057	$	(4,872	)	$	737	$	500		$	50,422	$	966	$	49,456
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	21,811	$	(6,025	)	$	749	$	6,763		$	23,298	$	54	$	23,244
Unsecured	738		(126		)	408		(282		)	738		—		738
Real estate:
One-to-four family residential	1,100		(717		)	78		481			942		—		942
Commercial & multifamily residential
Commercial land	634		(660		)	—		786			760		—		760
Income property multifamily	15,210		(979		)	65		(5,323		)	8,973		297		8,676
Owner occupied	9,692		(723		)	31		(2,310		)	6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	3,769		(1,347		)	1,831		(1,238		)	3,015		175		2,840
Residential construction	2,292		(1,068		)	92		208			1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	274		(1,710		)	—		1,491			55		—		55
Owner occupied	70		—			—		(43		)	27		—		27
Consumer	2,120		(3,298		)	178		4,701			3,701		32		3,669
Unallocated	3,283		—			—		(2,584		)	699		—		699
Total	$	60,993	$	(16,653	)	$	3,432	$	2,650		$	50,422	$	966	$	49,456

Financing Receivable Credit Quality Indicators

The following is an analysis of the credit quality of our noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	1,024,510	$	18,596	$	53,893	$	—	$	—	$	1,096,999
Unsecured	41,496		26		544		—		—		42,066
Real estate:
One-to-four family residential	45,393		407		2,025		—		—		47,825
Commercial and multifamily residential:
Commercial land	39,842		—		4,047		—		—		43,889
Income property multifamily	557,868		8,496		19,514		—		—		585,878
Owner occupied	356,582		3,940		37,797		—		—		398,319
Real estate construction:
One-to-four family residential:
Land and acquisition	11,467		2,035		5,580		—		—		19,082
Residential construction	25,130		476		5,324		—		—		30,930
Commercial and multifamily residential:
Income property multifamily	27,027		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		23,974
Consumer	154,853		298		5,634		70		—		160,855
Total	$	2,308,142	$	34,274	$	134,358	$	70	$	—	2,476,844
Less:
Allowance for loan losses											51,527
Noncovered loans, net											$	2,425,317

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	908,883	$	18,703	$	53,447	$	384	$	—	$	981,417
Unsecured	46,732		318		356		—		—		47,406
Real estate:
One-to-four family residential	58,517		2,040		3,506		—		—		64,063
Commercial and multifamily residential:
Commercial land	44,166		5		6,510		—		—		50,681
Income property multifamily	492,922		16,002		25,069		—		—		533,993
Owner occupied	351,928		13,590		39,266		—		5		404,789
Real estate construction:
One-to-four family residential:
Land and acquisition	12,349		2,684		10,168		—		—		25,201
Residential construction	16,764		1,649		5,518		—		—		23,931
Commercial and multifamily residential:
Income property multifamily	12,812		—		8,065		—		—		20,877
Owner occupied	12,790		—		—		—		—		12,790
Consumer	176,304		859		6,060		—		—		183,223
Total	$	2,134,167	$	55,850	$	157,965	$	384	$	5	2,348,371
Less:
Allowance for loan losses											53,041
Noncovered loans, net											$	2,295,330

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Fair Value Accounting and Measurement

9 Months Ended

Sep. 30, 2012

Fair Value Disclosures [Abstract]

Fair Value Accounting and Measurement

Fair Value Accounting and Measurement

The Fair Value Measurements and Disclosures topic of the FASB ASC defines fair value, establishes a consistent framework for measuring fair value and expands disclosure requirements about fair value. We hold fixed and variable rate interest-bearing securities, investments in marketable equity securities and certain other financial instruments, which are carried at fair value. Fair value is determined based upon quoted prices when available or through the use of alternative approaches, such as matrix or model pricing, when market quotes are not readily accessible or available.

The valuation techniques are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our own market assumptions. These two types of inputs create the following fair value hierarchy:

Level 1 – Quoted prices for identical instruments in active markets that are accessible at the measurement date.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3 – Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable.

Fair values are determined as follows:

Securities at fair value are priced using a combination of market activity, industry recognized information sources, yield curves, discounted cash flow models and other factors. These fair value calculations are considered a Level 2 input method under the provisions of the Fair Value Measurements and Disclosures topic of the FASB ASC.

Interest rate contract positions are valued in models, which use as their basis, readily observable market parameters and are classified within Level 2 of the valuation hierarchy.

The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis at September 30, 2012 and December 31, 2011 by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement:

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
September 30, 2012	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	563,208	$	—	$	563,208	$	—
State and municipal debt securities	282,500		—		279,550		2,950
U.S. government agency and government-sponsored enterprise securities	94,506		—		94,506		—
Other securities	3,410		—		3,410		—
Total securities available for sale	$	943,624	$	—	$	940,674	$	2,950
Other assets (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,375	$	—	$	16,375	$	—

	Fair value		Fair Value Measurements at Reporting Date Using
			Level 1		Level 2		Level 3
December 31, 2011	(in thousands)
Assets
Securities available for sale
U.S. government agency and government-sponsored enterprise mortgage-back securities and collateralized mortgage obligations	$	695,954	$	—	$	695,954	$	—
State and municipal debt securities	285,763		—		285,763		—
U.S. government agency and government-sponsored enterprise securities	43,063		—		43,063		—
Other securities	3,330		—		3,330		—
Total securities available for sale	$	1,028,110	$	—	$	1,028,110	$	—
Other assets (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—
Liabilities
Other liabilities (Interest rate contracts)	$	16,302	$	—	$	16,302	$	—

There were no transfers between Level 1 and Level 2 of the valuation hierarchy during the nine month period ended September 30, 2012.

At each reporting period, all assets and liabilities for which the fair value measurement is based on significant unobservable inputs are classified as Level 3. Activity in Level 3 assets measured at fair value on a recurring basis for the three and nine months ended September 30, 2012 is summarized in the following table:

	Three months ended September 30, 2012		Nine months ended September 30, 2012
Securities available for sale - State and municipal securities:	(in thousands)
Beginning balance	$	—	$	—
Unrealized gain recorded to accumulated other comprehensive income (1)	2,950		2,950
Ending Balance	$	2,950	$	2,950

_____________

(1) Based on information available at September 30, 2012, the the fair value of a security that had been fully impaired was increased to the original par amount as the Company was notified that there would be a full repayment. See Note 3 "Securities" for more information.

Nonrecurring Measurements

Certain assets and liabilities are measured at fair value on a nonrecurring basis after initial recognition such as loans measured for impairment and OREO. The following methods were used to estimate the fair value of each such class of financial instrument:

Impaired loans—A loan is considered to be impaired when, based on current information and events, it is probable that the Company will be unable to collect all amounts due (both interest and principal) according to the contractual terms of the loan agreement. Impaired loans are measured based on the present value of expected future cash flows discounted at the loan’s effective interest rate, a loan’s observable market price, or the fair market value of the collateral if the loan is a collateral-dependent loan. Generally, the Company utilizes the fair market value of the collateral to measure impairment. The impairment evaluations are performed in conjunction with the ALLL process on a quarterly basis by officers in the Special Credits group, which reports to the Chief Credit Officer. The Real Estate Appraisal Services Department ("REASD"), which also reports to the Chief Credit Officer, is responsible for obtaining appraisals from third-parties or performing internal evaluations. If an appraisal is obtained from a third-party, the REASD reviews the appraisal to evaluate the adequacy of the appraisal report, including its scope, methods, accuracy, and reasonableness.

Other real estate owned and Other personal property owned—OREO and OPPO are real and personal property that the Bank has taken ownership of in partial or full satisfaction of a loan or loans. OREO and OPPO are generally measured based on the item's fair market value as indicated by an appraisal or a letter of intent to purchase. OREO and OPPO are recorded at the lower of carrying amount or fair value less estimated costs to sell. This amount becomes the property’s new basis. Any write-downs based on the property fair value less estimated cost to sell at the date of acquisition are charged to the allowance for loan and lease losses. Management periodically reviews OREO and OPPO in an effort to ensure the property is carried at the lower of its new basis or fair value, net of estimated costs to sell. Any write-downs subsequent to acquisition are charged to earnings. The initial and subsequent write-down evaluations are performed by officers in the Special Credits group, which reports to the Chief Credit Officer. The REASD obtains appraisals from third-parties for OREO and OPPO and performs internal evaluations. If an appraisal is obtained from a third-party, the REASD reviews the appraisal to evaluate the adequacy of the appraisal report, including its scope, methods, accuracy, and reasonableness.

The following tables set forth the Company's assets that were measured using fair value estimates on a nonrecurring basis at September 30, 2012 and 2011.

	Fair value at September 30, 2012		Fair Value Measurements at Reporting Date Using						Gains (Losses) During the Three Months Ended September 30, 2012			Losses During the Nine Months Ended September 30, 2012
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	6,094	$	—	$	—	$	6,094	$	509		$	(3,377	)
Noncovered OREO	1,807		—		—		1,807		(458		)	(3,117		)
Covered OREO	1,021		—		—		1,021		(481		)	(1,025		)
Noncovered OPPO	—		—		—		—		—			(1,990		)
	$	8,922	$	—	$	—	$	8,922	$	(430	)	$	(9,509	)

	Fair value  at September 30, 2011		Fair Value Measurements at Reporting Date Using						Losses During the Three Months Ended September 30, 2011			Losses During the Nine Months Ended September 30, 2011
			Level 1		Level 2		Level 3
	(in thousands)
Impaired loans	$	3,717	$	—	$	—	$	3,717	$	(735	)	$	(4,707	)
Noncovered OREO	2,876		—		—		2,876		(573		)	(3,120		)
Covered OREO	455		—		—		455		(204		)	(280		)
Noncovered OPPO	—		—		—		—		—			(185		)
	$	7,048	$	—	$	—	$	7,048	$	(1,512	)	$	(8,292	)

The losses on impaired loans disclosed above represent the amount of the specific reserve and/or charge-offs during the period applicable to loans held at period end. The amount of the specific reserve is included in the allowance for loan and lease losses. The losses on OREO and OPPO disclosed above represent the write-downs taken at foreclosure that were charged to the allowance for loan and lease losses, as well as subsequent write-downs from updated appraisals that were charged to earnings.

Quantitative information about Level 3 fair value measurements

The range and weighted-average of the significant unobservable inputs used to fair value our Level 3 nonrecurring assets, along with the valuation techniques used, are shown in the following table:

	Fair value at September 30, 2012		Valuation Technique	Unobservable Input	Range (Weighted Average) (1)
	(dollars in thousands)
Impaired loans - real estate collateral	$	4,148	Market	Adjustment to Appraisal Value	N/A (2)
Impaired loans - other collateral (3)	1,946		Market	Adjustment to stated value	0% - 70% (33%)
Noncovered OREO	1,807		Market	Adjustment to Appraisal Value	N/A (2)
Covered OREO	1,021		Market	Adjustment to Appraisal Value	N/A (2)
Noncovered OPPO	—		Market	Adjustment to Appraisal Value	N/A (2)
(1) Discount applied to appraisal value, letter of intent to purchase, or stated value (in the case of accounts receivable and inventory).
(2) Quantitative disclosures are not provided for impaired loans collateralized by real estate, noncovered OREO, covered OREO and noncovered OPPO because there were no adjustments made to the appraisal value during the current period.
(3) Other collateral consists of accounts receivable and inventory.

Fair value of financial instruments

Because broadly traded markets do not exist for most of the Company’s financial instruments, the fair value calculations attempt to incorporate the effect of current market conditions at a specific time. These determinations are subjective in nature, involve uncertainties and matters of significant judgment and do not include tax ramifications; therefore, the results cannot be determined with precision, substantiated by comparison to independent markets and may not be realized in an actual sale or immediate settlement of the instruments. There may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, could significantly affect the results. For all of these reasons, the aggregation of the fair value calculations presented herein do not represent, and should not be construed to represent, the underlying value of the Company.

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

Cash and due from banks and interest-earning deposits with banks—The fair value of financial instruments that are short-term or reprice frequently and that have little or no risk are considered to have a fair value that approximates carrying value (Level 1).

Securities available for sale—Securities at fair value are priced using a combination of market activity, industry recognized information sources, yield curves, discounted cash flow models and other factors (Level 2).

Federal Home Loan Bank stock—The fair value is based upon the par value of the stock which equates to its carrying value (Level 2).

Loans—Loans are not recorded at fair value on a recurring basis. Nonrecurring fair value adjustments are periodically recorded on impaired loans that are measured for impairment based on the fair value of collateral. For most performing loans, fair value is estimated using expected duration and lending rates that would have been offered on September 30, 2012 for loans which mirror the attributes of the loans with similar rate structures and average maturities. The fair values resulting from these calculations are reduced by an amount representing the change in estimated fair value attributable to changes in borrowers’ credit quality since the loans were originated. For nonperforming loans, fair value is estimated by applying a valuation discount based upon loan sales data from the FDIC. For covered loans, fair value is estimated by discounting the expected future cash flows using a lending rate that would have been offered on September 30, 2012 (Level 3).

FDIC loss-sharing asset —The fair value of the FDIC loss-sharing asset is estimated based on discounting the expected future cash flows using an estimated market rate (Level 3).

Interest rate contracts—Interest rate swap positions are valued in models, which use as their basis, readily observable market parameters (Level 2).

Deposits—For deposits with no contractual maturity, the fair value is equal to the carrying value (Level 1). The fair value of fixed maturity deposits is based on discounted cash flows using the difference between the deposit rate and current market rates for deposits of similar remaining maturities (Level 2).

FHLB advances—The fair value of Federal Home Loan Bank of Seattle (the “FHLB”) advances is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Repurchase Agreements—The fair value of securities sold under agreement to repurchase is estimated based on discounting the future cash flows using the market rate currently offered (Level 2).

Other Financial Instruments—The majority of our commitments to extend credit and standby letters of credit carry current market interest rates if converted to loans, as such, carrying value is assumed to equal fair value.

The following table summarizes carrying amounts and estimated fair values of selected financial instruments as well as assumptions used by the Company in estimating fair value:

	September 30, 2012										December 31, 2011
	Carrying Amount		Fair Value		Level 1		Level 2		Level 3		Carrying Amount		Fair Value
	(in thousands)
Assets
Cash and due from banks	$	98,979	$	98,979	$	98,979	$	—	$	—	$	91,364	$	91,364
Interest-earning deposits with banks	463,613		463,613		463,613		—		—		202,925		202,925
Securities available for sale	943,624		943,624		—		940,674		2,950		1,028,110		1,028,110
FHLB stock	22,017		22,017		—		22,017		—		22,215		22,215
Loans held for sale	3,600		3,600		—		3,600		—		2,148		2,148
Loans	2,854,603		2,944,623		—		—		2,944,623		2,827,259		2,957,345
FDIC loss-sharing asset	111,677		35,518		—		—		35,518		175,071		71,788
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302
Liabilities
Deposits	$	3,938,855	$	3,939,661	$	3,421,361	$	518,300	$	—	$	3,815,529	$	3,817,013
FHLB Advances	113,080		113,206		—		113,206		—		119,009		119,849
Repurchase agreements	25,000		26,220		—		26,220		—		25,000		26,580
Interest rate contracts	16,375		16,375		—		16,375		—		16,302		16,302

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Covered Assets and FDIC Loss-sharing Asset (Notes)

9 Months Ended

Sep. 30, 2012

Covered Assets And FDIC Loss Sharing Asset

Covered Assets and FDIC Loss sharing Asset

Covered Assets and FDIC Loss-sharing Asset

Covered Assets

Covered assets consist of loans and OREO acquired in certain FDIC-assisted acquisitions during 2010 and 2011, for which the Bank entered into loss-sharing agreements, whereby the FDIC will cover a substantial portion of future losses on loans (and related unfunded loan commitments), OREO and certain accrued interest on loans during the terms of the agreements. Under the terms of the loss-sharing agreements, the FDIC will absorb 80% of losses and share in 80% of loss recoveries up to specified amounts. With respect to loss-sharing agreements for two acquisitions completed in 2010, after those specified amounts, the FDIC will absorb 95% of losses and share in 95% of loss recoveries. The loss-sharing provisions of the agreements for commercial and single-family mortgage loans are in effect for five and ten years, respectively, from the acquisition dates and the loss recovery provisions are in effect for eight and ten years, respectively, from the acquisition dates.

Ten years and forty-five days after the acquisition dates, the Bank shall pay to the FDIC a clawback in the event the losses from the acquisitions fail to reach stated levels. The amount of the clawback is determined by a formula specified in each individual loss-sharing agreement. As of September 30, 2012, the net present value of the Bank’s estimated clawback liability is $3.8 million, which is included in other liabilities on the consolidated balance sheets.

The following is an analysis of our covered loans, net of related allowance for losses as of September 30, 2012 and December 31, 2011:

	September 30, 2012		December 31, 2011
Covered loans:	(dollars in thousands)
Commercial business	$	141,094	$	195,737
Real estate:
One-to-four family residential	62,959		79,328
Commercial and multifamily residential	257,279		311,308
Total real estate	320,238		390,636
Real estate construction:
One-to-four family residential	29,774		54,402
Commercial and multifamily residential	16,694		23,661
Total real estate construction	46,468		78,063
Consumer	46,532		56,877
Subtotal of covered loans	554,332		721,313
Less:
Valuation discount resulting from acquisition accounting	95,889		184,440
Allowance for loan losses	29,157		4,944
Covered loans, net of allowance for loan losses	$	429,286	$	531,929

Acquired impaired loans are accounted for under ASC 310-30 and initially measured at fair value based on expected future cash flows over the life of the loans. Acquired loans that have common risk characteristics are aggregated into pools. The Company re-measures contractual and expected cash flows, at the pool-level, on a quarterly basis.

Contractual cash flows are calculated based upon the loan pool terms after applying a prepayment factor. Calculation of the applied prepayment factor for contractual cash flows is the same as described below for expected cash flows.

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

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

Losses attributable to draws on acquired loans, advanced subsequent to the loan acquisition date, are accounted for under ASC 450-20 and those amounts are also subject to the Company’s internal and external credit review. An allowance for loan losses is estimated in a similar manner as the originated loan portfolio, and a provision for loan losses is charged to earnings as necessary.

The excess of cash flows expected to be collected over the initial fair value of acquired loans is referred to as the accretable yield and is accreted into interest income over the estimated life of the acquired loans using the effective yield method. Other adjustments to the accretable yield include changes in the estimated remaining life of the acquired loans, changes in expected cash flows and changes of indices for acquired loans with variable interest rates.

The following table shows the changes in accretable yield for acquired loans for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	214,061		$	314,333		$	259,669		$	256,572
Accretion	(19,571		)	(23,608		)	(69,045		)	(60,369		)
Disposals	(3,146		)	(8,594		)	(8,218		)	(24,134		)
Reclassifications from (to) nonaccretable difference	(2,861		)	69			6,077			50,320
Balance at end of period	$	188,483		$	282,200		$	188,483		$	282,200

During the nine months ended September 30, 2012, the Company recorded a provision expense for losses on covered loans of $23.4 million. Of this amount, $26.0 million was impairment expense calculated in accordance with ASC 310-30 and $2.6 million was a negative provision to adjust the allowance for loss calculated under ASC 450-20 for draws on acquired loans. The impact to earnings of the $23.4 million of provision expense for covered loans was partially offset through noninterest income by a $18.7 million increase in the FDIC loss-sharing asset.

The changes in the ALLL for covered loans for the three and nine months ended September 30, 2012 and 2011 are summarized as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	31,784		$	7,948		$	4,944		$	6,055
Loans charged off	(977		)	(312		)	(2,574		)	(368		)
Recoveries	2,342			258			3,406			328
Provision (recapture) charged to expense	(3,992		)	433			23,381			2,312
Balance at end of period	$	29,157		$	8,327		$	29,157		$	8,327

The following is an analysis of the credit quality of our covered loan portfolio as of December 31, 2012 and 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Covered loans:
Commercial business:
Secured	$	81,399	$	1,990	$	50,526	$	—	$	—	$	133,915
Unsecured	4,899		—		2,280		—		—		7,179
Real estate:
One-to-four family residential	47,369		1,493		14,097		—		—		62,959
Commercial and multifamily residential:
Commercial land	17,464		—		13,259		—		—		30,723
Income property multifamily	92,829		3,337		23,171		—		—		119,337
Owner occupied	87,809		3,229		16,181		—		—		107,219
Real estate construction:
One-to-four family residential:
Land and acquisition	4,733		1,422		8,258		—		—		14,413
Residential construction	6,504		—		8,857		—		—		15,361
Commercial and multifamily residential:
Income property multifamily	4,702		—		8,652		—		—		13,354
Owner occupied	1,114		—		2,226		—		—		3,340
Consumer	40,940		177		5,415		—		—		46,532
Total	$	389,762	$	11,648	$	152,922	$	—	$	—	554,332
Less:
Valuation discount resulting from acquisition accounting											95,889
Allowance for loan losses											29,157
Covered loans, net											$	429,286

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Covered loans:
Commercial business:
Secured	$	103,472	$	6,239	$	73,793	$	1,209	$	1	$	184,714
Unsecured	7,608		741		2,659		15		—		11,023
Real estate:
One-to-four family residential	56,948		2,210		20,170		—		—		79,328
Commercial and multifamily residential:
Commercial land	21,947		1,213		21,027		—		—		44,187
Income property multifamily	109,339		4,013		35,567		—		—		148,919
Owner occupied	89,555		3,673		24,974		—		—		118,202
Real estate construction:
One-to-four family residential:
Land and acquisition	4,834		1,535		17,646		1,289		—		25,304
Residential construction	8,264		371		20,463		—		—		29,098
Commercial and multifamily residential:
Income property multifamily	2,928		2,779		13,657		—		—		19,364
Owner occupied	1,142		—		3,155		—		—		4,297
Consumer	48,067		255		8,150		357		48		56,877
Total	$	454,104	$	23,029	$	241,261	$	2,870	$	49	721,313
Less:
Valuation discount resulting from acquisition accounting											184,440
Allowance for loan losses											4,944
Covered loans, net											$	531,929

The following table sets forth activity in covered OREO at carrying value for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Covered OREO:
Balance at beginning of period	$	19,079		$	23,730		$	28,126		$	14,443
Established through acquisitions	—			—			—			10,387
Transfers in	3,096			2,979			8,497			8,071
Additional OREO write-downs	(730		)	(189		)	(2,769		)	(302		)
Proceeds from sale of OREO property	(6,822		)	(3,523		)	(25,202		)	(14,604		)
Gain on sale of OREO	1,888			1,838			7,859			6,840
Total covered OREO at end of period	$	16,511		$	24,835		$	16,511		$	24,835

The covered OREO is covered by loss-sharing agreements with the FDIC in which the FDIC will share in 80% of additional write-downs, as well as gains and losses on covered OREO sales, or 95%, if applicable, of additional write-downs, as wells as gains and losses on covered OREO sales if the minimum loss share thresholds are met.

FDIC Loss-sharing Asset

At September 30, 2012, the FDIC loss-sharing asset is comprised of a $101.8 million FDIC indemnification asset and a $9.9 million FDIC receivable. The indemnification represents the cash flows the Company expects to collect from the FDIC under the loss-sharing agreements and the FDIC receivable represents the reimbursable amounts from the FDIC that have not yet been received.

For covered loans, the Company remeasures contractual and expected cash flows on a quarterly basis. When the quarterly remeasurement process results in a decrease in expected cash flows due to an increase in expected credit losses, impairment is recorded. As a result of this impairment, the indemnification asset is increased to reflect anticipated future cash to be received from the FDIC. Consistent with the loss-sharing agreements between the Company and the FDIC, the amount of the increase to the indemnification asset is measured as 80% of the resulting impairment.

Alternatively, when the quarterly remeasurement results in an increase in expected future cash flows due to a decrease in expected credit losses, the nonaccretable difference decreases and the effective yield of the related loan portfolio is increased. As a result of the improved expected cash flows, the indemnification asset would be reduced first by the amount of any impairment previously recorded and, second, by increased amortization over the remaining life of the related loss-sharing agreement.

The following table shows a detailed analysis of the FDIC loss-sharing asset for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Balance at beginning of period	$	140,003		$	209,694		$	175,071		$	205,991
Adjustments not reflected in income
Established through acquisitions	—			—			—			68,734
Cash received from the FDIC	(14,881		)	(6,108		)	(49,194		)	(51,000		)
FDIC reimbursable losses, net	(494		)	1,138			587			2,192
Adjustments reflected in income
Amortization, net	(9,694		)	(10,928		)	(33,418		)	(32,556		)
Loan impairment (recapture)	(3,193		)	921			18,705			2,424
Sale of other real estate	(1,315		)	(1,471		)	(4,881		)	(3,487		)
Write-downs of other real estate	1,141			467			4,503			911
Other	110			156			304			660
Balance at end of period	$	111,677		$	193,869		$	111,677		$	193,869

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Fair Value Accounting and Measurement (Carrying Amounts and Estimated Fair Values of Selected Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets
Interest-earning deposits with banks	$ 463,613	$ 202,925
Securities available for sale	943,624	1,028,110
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Assets
Cash and due from banks	98,979	91,364
Interest-earning deposits with banks	463,613	202,925
Securities available for sale	943,624	1,028,110
FHLB stock	22,017	22,215
Loans held for sale	3,600	2,148
Loans	2,854,603	2,827,259
FDIC loss-sharing asset	111,677	175,071
Interest rate contracts	16,375	16,302
Liabilities
Deposits	3,938,855	3,815,529
FHLB Advances	113,080	119,009
Repurchase agreements	25,000	25,000
Interest rate contracts	16,375	16,302
Estimate of Fair Value, Fair Value Disclosure [Member]
Assets
Cash and due from banks	98,979	91,364
Interest-earning deposits with banks	463,613	202,925
Securities available for sale	943,624	1,028,110
FHLB stock	22,017	22,215
Loans held for sale	3,600	2,148
Loans	2,944,623	2,957,345
FDIC loss-sharing asset	35,518	71,788
Interest rate contracts	16,375	16,302
Liabilities
Deposits	3,939,661	3,817,013
FHLB Advances	113,206	119,849
Repurchase agreements	26,220	26,580
Interest rate contracts	16,375	16,302
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Assets
Cash and due from banks	98,979
Interest-earning deposits with banks	463,613
Securities available for sale	0
FHLB stock	0
Loans held for sale	0
Loans	0
FDIC loss-sharing asset	0
Interest rate contracts	0
Liabilities
Deposits	3,421,361
FHLB Advances	0
Repurchase agreements	0
Interest rate contracts	0
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Assets
Cash and due from banks	0
Interest-earning deposits with banks	0
Securities available for sale	940,674
FHLB stock	22,017
Loans held for sale	3,600
Loans	0
FDIC loss-sharing asset	0
Interest rate contracts	16,375
Liabilities
Deposits	518,300
FHLB Advances	113,206
Repurchase agreements	26,220
Interest rate contracts	16,375
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
Assets
Cash and due from banks	0
Interest-earning deposits with banks	0
Securities available for sale	2,950
FHLB stock	0
Loans held for sale	0
Loans	2,944,623
FDIC loss-sharing asset	35,518
Interest rate contracts	0
Liabilities
Deposits	0
FHLB Advances	0
Repurchase agreements	0
Interest rate contracts	$ 0

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Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit

9 Months Ended

Sep. 30, 2012

Allowance For Loan And Lease Losses And Unfunded Loan Commitments And Letters Of Credit

Allowance For Loan And Lease Losses And Unfunded Loan Commitments And Letters Of Credit Text Block

5. Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit

We maintain an allowance for loan and lease losses (“ALLL”) to absorb losses inherent in the loan portfolio. The size of the ALLL is determined through quarterly assessments of the probable estimated losses in the loan portfolio. Our methodology for making such assessments and determining the adequacy of the ALLL includes the following key elements:

1. General valuation allowance consistent with the Contingencies topic of the FASB Accounting Standards Codification ("ASC").

2. Classified loss reserves on specific relationships. Specific allowances for identified problem loans are determined in accordance with the Receivables topic of the FASB ASC.

3. The unallocated allowance provides for other factors inherent in our loan portfolio that may not have been contemplated in the general and specific components of the allowance. This unallocated amount generally comprises less than 5% of the allowance. The unallocated amount is reviewed quarterly based on trends in credit losses, the results of credit reviews and overall economic trends.

The general valuation allowance is systematically calculated quarterly using quantitative and qualitative information about specific loan classes. The minimum required level an entity develops a methodology to determine its allowance for loan and lease losses is by general categories of loans, such as commercial business, real estate, and consumer. However, the Company’s methodology in determining its allowance for loan and lease losses is prepared in a more detailed manner at the loan class level, utilizing specific categories such as commercial business secured, commercial business unsecured, real estate commercial land, and real estate income property multifamily. The quantitative information uses historical losses from a specific loan class and incorporates the loan’s risk rating migration from origination to the point of loss.

A loan’s risk rating is primarily determined based upon the borrower’s ability to fulfill its debt obligation from a cash flow perspective. In the event there is financial deterioration of the borrower, the borrower’s other sources of income or repayment are also considered, including recent appraisal values for collateral dependent loans. The qualitative information takes into account general economic and business conditions affecting our market place, seasoning of the loan portfolio, duration of the business cycle, etc. to ensure our methodologies reflect the current economic environment and other factors as using historical loss information exclusively may not give an accurate estimate of inherent losses within the Company’s loan portfolio.

When a loan is deemed to be impaired, the Company has to determine if a specific valuation allowance is required for that loan. The specific valuation allowance is a reserve, calculated at the individual loan level, for each loan determined to be both impaired and containing a value less than its recorded investment. The Company measures the impairment based on the discounted expected future cash flows, observable market price, or the fair value of the collateral less selling costs if the loan is collateral dependent or if foreclosure is probable. The specific reserve for each loan is equal to the difference between the recorded investment in the loan and its determined impairment value.

The ALLL is increased by provisions for loan and lease losses (“provision”) charged to expense, and is reduced by loans charged off, net of recoveries. While the Company’s management believes the best information available is used to determine the ALLL, changes in market conditions could result in adjustments to the ALLL, affecting net income, if circumstances differ from the assumptions used in determining the ALLL.

We have used the same methodology for ALLL calculations during the nine months ended September 30, 2012 and 2011. Adjustments to the percentages of the ALLL allocated to loan categories are made based on trends with respect to delinquencies and problem loans within each class of loans. The Company reviews the ALLL quantitative and qualitative methodology on a quarterly basis and makes adjustments when appropriate. The Company continues to strive towards maintaining a conservative approach to credit quality and will continue to prudently adjust our ALLL as necessary in order to maintain adequate reserves. The Company carefully monitors the loan portfolio and continues to emphasize the importance of credit quality.

Once it is determined that all or a portion of a loan balance is uncollectable, and the amount can be reasonably estimated, the uncollectable portion of the loan is charged-off.

The following tables show a detailed analysis of the allowance for loan and lease losses for noncovered loans for the three and nine months ended September 30, 2012 and 2011:

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	26,505	$	(3,744	)	$	194	$	3,007		$	25,962	$	315	$	25,647
Unsecured	772		(31		)	83		(56		)	768		100		668
Real estate:
One-to-four family residential	673		(49		)	157		(216		)	565		69		496
Commercial & multifamily residential
Commercial land	270		(55		)	—		207			422		1		421
Income property multifamily	8,726		(436		)	357		387			9,034		—		9,034
Owner occupied	9,037		(101		)	89		(694		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	1,651		(307		)	404		(279		)	1,469		—		1,469
Residential construction	1,197		(18		)	—		3			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	755		—			63		(456		)	362		—		362
Owner occupied	68		—			—		23			91		—		91
Consumer	2,049		(500		)	350		267			2,166		—		2,166
Unallocated	493		—			—		682			1,175		—		1,175
Total	$	52,196	$	(5,241	)	$	1,697	$	2,875		$	51,527	$	730	$	50,797
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2012	(in thousands)
Noncovered loans:
Commercial business
Secured	$	24,745	$	(8,126	)	$	1,184	$	8,159		$	25,962	$	315	$	25,647
Unsecured	689		(52		)	130		1			768		100		668
Real estate:
One-to-four family residential	654		(499		)	202		208			565		69		496
Commercial & multifamily residential
Commercial land	488		(437		)	—		371			422		1		421
Income property multifamily	9,551		(3,959		)	710		2,732			9,034		—		9,034
Owner occupied	9,606		(712		)	628		(1,191		)	8,331		245		8,086
Real estate construction:
One-to-four family residential
Land and acquisition	2,331		(809		)	827		(880		)	1,469		—		1,469
Residential construction	864		(617		)	79		856			1,182		—		1,182
Commercial & multifamily residential
Income property multifamily	665		(93		)	64		(274		)	362		—		362
Owner occupied	35		—			—		56			91		—		91
Consumer	2,719		(1,968		)	809		606			2,166		—		2,166
Unallocated	694		—			—		481			1,175		—		1,175
Total	$	53,041	$	(17,272	)	$	4,633	$	11,125		$	51,527	$	730	$	50,797

	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Three months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	22,320	$	(1,904	)	$	420	$	2,462		$	23,298	$	54	$	23,244
Unsecured	573		(42		)	40		167			738		—		738
Real estate:
One-to-four family residential	847		(53		)	78		70			942		—		942
Commercial & multifamily residential
Commercial land	894		(4		)	—		(130		)	760		—		760
Income property multifamily	14,709		(339		)	10		(5,407		)	8,973		297		8,676
Owner occupied	6,479		(100		)	—		311			6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	2,852		(169		)	63		269			3,015		175		2,840
Residential construction	1,704		(14		)	56		(222		)	1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	43		(145		)	—		157			55		—		55
Owner occupied	34		—			—		(7		)	27		—		27
Consumer	2,748		(2,102		)	70		2,985			3,701		32		3,669
Unallocated	854		—			—		(155		)	699		—		699
Total	$	54,057	$	(4,872	)	$	737	$	500		$	50,422	$	966	$	49,456
	Beginning Balance		Charge-offs			Recoveries		Provision (Recovery)			Ending Balance		Specific Reserve		General Allocation
Nine months ended September 30, 2011	(in thousands)
Noncovered loans:
Commercial business
Secured	$	21,811	$	(6,025	)	$	749	$	6,763		$	23,298	$	54	$	23,244
Unsecured	738		(126		)	408		(282		)	738		—		738
Real estate:
One-to-four family residential	1,100		(717		)	78		481			942		—		942
Commercial & multifamily residential
Commercial land	634		(660		)	—		786			760		—		760
Income property multifamily	15,210		(979		)	65		(5,323		)	8,973		297		8,676
Owner occupied	9,692		(723		)	31		(2,310		)	6,690		408		6,282
Real estate construction:
One-to-four family residential
Land and acquisition	3,769		(1,347		)	1,831		(1,238		)	3,015		175		2,840
Residential construction	2,292		(1,068		)	92		208			1,524		—		1,524
Commercial & multifamily residential
Income property multifamily	274		(1,710		)	—		1,491			55		—		55
Owner occupied	70		—			—		(43		)	27		—		27
Consumer	2,120		(3,298		)	178		4,701			3,701		32		3,669
Unallocated	3,283		—			—		(2,584		)	699		—		699
Total	$	60,993	$	(16,653	)	$	3,432	$	2,650		$	50,422	$	966	$	49,456

Changes in the allowance for unfunded commitments and letters of credit are summarized as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
	(in thousands)
Balance at beginning of period	$	1,665	$	1,460	$	1,535	$	1,165
Net changes in the allowance for unfunded commitments and letters of credit	250		—		380		295
Balance at end of period	$	1,915	$	1,460	$	1,915	$	1,460

Risk Elements

The extension of credit in the form of loans to individuals and businesses is one of our principal commerce activities. Our policies and applicable laws and regulations require risk analysis as well as ongoing portfolio and credit management. We manage our credit risk through lending limit constraints, credit review, approval policies and extensive, ongoing internal monitoring. We also manage credit risk through diversification of the loan portfolio by type of loan, type of industry, type of borrower and by limiting the aggregation of debt to a single borrower.

The monitoring process for the loan portfolio includes periodic reviews of individual loans with risk ratings assigned to each loan. Based on the analysis, loans are given a risk rating of 1-10 based on the following criteria:

• ratings of 1-3 indicate minimal to low credit risk,

• ratings of 4-5 indicate an average credit risk with adequate repayment capacity when prolonged periods of adversity do not exist,

• rating of 6 indicate higher than average risk requiring greater than routine attention by bank personnel due to conditions affecting the borrower, the borrower's industry or economic environment,

• rating of 7 indicate potential weaknesses that, if left uncorrected, may result in deterioration of the repayment prospects for the asset or in the Company's credit position at some future date,

• rating of 8 indicates a loss is possible if loan weaknesses are not corrected,

• rating of 9 indicates loss is highly probable; however, the amount of loss has not yet been determined,

• and a rating of 10 indicates the loan is uncollectable, and when identified is charged-off.

Loans with a risk rating of 1-6 are considered Pass loans and loans with risk ratings of 7, 8, 9 and 10 are considered Special Mention, Substandard, Doubtful and Loss, respectively. Loans with a risk rating of Substandard or worse are reported as classified loans in our allowance for loan and lease losses analysis. We review these loans to assess the ability of our borrowers to service all interest and principal obligations and, as a result, the risk rating may be adjusted accordingly. Risk ratings are reviewed and updated whenever appropriate, with more periodic reviews as the risk and dollar value of loss on the loan increases. In the event full collection of principal and interest is not reasonably assured, the loan is appropriately downgraded and, if warranted, placed on non-accrual status even though the loan may be current as to principal and interest payments. Additionally, we assess whether an impairment of a loan warrants specific reserves or a write-down of the loan.

The following is an analysis of the credit quality of our noncovered loan portfolio as of September 30, 2012 and December 31, 2011:

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
September 30, 2012	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	1,024,510	$	18,596	$	53,893	$	—	$	—	$	1,096,999
Unsecured	41,496		26		544		—		—		42,066
Real estate:
One-to-four family residential	45,393		407		2,025		—		—		47,825
Commercial and multifamily residential:
Commercial land	39,842		—		4,047		—		—		43,889
Income property multifamily	557,868		8,496		19,514		—		—		585,878
Owner occupied	356,582		3,940		37,797		—		—		398,319
Real estate construction:
One-to-four family residential:
Land and acquisition	11,467		2,035		5,580		—		—		19,082
Residential construction	25,130		476		5,324		—		—		30,930
Commercial and multifamily residential:
Income property multifamily	27,027		—		—		—		—		27,027
Owner occupied	23,974		—		—		—		—		23,974
Consumer	154,853		298		5,634		70		—		160,855
Total	$	2,308,142	$	34,274	$	134,358	$	70	$	—	2,476,844
Less:
Allowance for loan losses											51,527
Noncovered loans, net											$	2,425,317

	Pass		Special Mention		Substandard		Doubtful		Loss		Total
December 31, 2011	(in thousands)
Noncovered loans:
Commercial business:
Secured	$	908,883	$	18,703	$	53,447	$	384	$	—	$	981,417
Unsecured	46,732		318		356		—		—		47,406
Real estate:
One-to-four family residential	58,517		2,040		3,506		—		—		64,063
Commercial and multifamily residential:
Commercial land	44,166		5		6,510		—		—		50,681
Income property multifamily	492,922		16,002		25,069		—		—		533,993
Owner occupied	351,928		13,590		39,266		—		5		404,789
Real estate construction:
One-to-four family residential:
Land and acquisition	12,349		2,684		10,168		—		—		25,201
Residential construction	16,764		1,649		5,518		—		—		23,931
Commercial and multifamily residential:
Income property multifamily	12,812		—		8,065		—		—		20,877
Owner occupied	12,790		—		—		—		—		12,790
Consumer	176,304		859		6,060		—		—		183,223
Total	$	2,134,167	$	55,850	$	157,965	$	384	$	5	2,348,371
Less:
Allowance for loan losses											53,041
Noncovered loans, net											$	2,295,330

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Changes in Noncovered Other Real Estate Owned

9 Months Ended

Sep. 30, 2012

Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]

Changes in Noncovered Other Real Estate Owned

Changes in Noncovered Other Real Estate Owned

The following tables set forth activity in noncovered OREO for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Noncovered OREO:
Balance at beginning of period	$	13,925		$	22,739		$	22,893		$	30,991
Transfers in, net of write-downs ($24, $0, $24 and $108, respectively)	139			5,287			6,527			8,434
OREO improvements	—			257			11			726
Additional OREO write-downs	(458		)	(644		)	(4,232		)	(5,090		)
Proceeds from sale of OREO property	(3,170		)	(2,359		)	(15,069		)	(10,234		)
Gain (loss) on sale of OREO, net	439			(224		)	745			229
Total noncovered OREO at end of period	$	10,875		$	25,056		$	10,875		$	25,056

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Goodwill and Intangible Assets (Notes)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

In accordance with the Intangibles – Goodwill and Other topic of the FASB ASC, goodwill is not amortized but is reviewed for potential impairment at the reporting unit level. Management analyzes its goodwill for impairment on an annual basis and between annual tests in certain circumstances such as material adverse changes in legal, business, regulatory and economic factors. An impairment loss is recorded to the extent that the carrying amount of goodwill exceeds its implied fair value.

During the third quarter of 2012, the Company changed its annual goodwill impairment testing date from September 30 to July 31, which did not result in any delay, acceleration or avoidance of impairment. The Company believes this date for the annual goodwill impairment test is preferable because it provides more time to complete the impairment testing as it occurs earlier within a quarterly reporting cycle. The additional time is preferable as it would allow more time before the quarterly reporting deadline to estimate the implied fair value of goodwill for comparison with its carrying value, if necessary. This change was applied prospectively beginning on July 31, 2012. Retrospective application to prior periods is impracticable as the Company is unable to objectively determine, without the use of hindsight, the assumptions that would have been used in those earlier periods. In connection with this change, the Company performed an impairment assessment as of July 31, 2012 and concluded that there was no impairment.

The core deposit intangible (“CDI”) is evaluated for impairment if events and circumstances indicate a possible impairment. The CDI is amortized on an accelerated basis over an estimated life of approximately 10 years.

The following table sets forth activity for goodwill and intangible assets for the period:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Total goodwill at beginning of period	$	115,554		$	118,434		$	115,554		$	109,639
Established through acquisitions	—			—			—			8,795
Total goodwill at end of period	115,554			118,434			115,554			118,434
Core deposit intangible:
Gross core deposit intangible balance at beginning of period	32,441			28,497			32,441			26,651
Accumulated amortization at beginning of period	(14,545		)	(9,894		)	(12,275		)	(7,955		)
Core deposit intangible, net at beginning of period	17,896			18,603			20,166			18,696
Established through acquisitions	—			3,943			—			5,789
CDI current period amortization	(1,093		)	(1,177		)	(3,363		)	(3,116		)
Total core deposit intangible, net at end of period	16,803			21,369			16,803			21,369
Total goodwill and intangible assets at end of period	$	132,357		$	139,803		$	132,357		$	139,803

The following table provides the estimated future amortization expense of core deposit intangibles for the remaining three months ending December 31, 2012 and the succeeding four years:

	Amount
	(in thousands)
Year ending December 31,
2012	$	1,082
2013	3,964
2014	3,397
2015	2,645
2016	2,184

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Securities (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011 security	Sep. 30, 2012 security
U.S. Government and Government-Sponsored Enterprise Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number Of Securities In Continuous Loss Position For Twelve Months or More		9
Other Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number Of Securities In Continuous Loss Position For Twelve Months or More		1
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Number Of Securities In Unrealized Loss Position		3
Number Of Securities In Continuous Loss Position For Twelve Months or More		2
Number Of Securities Held With Adverse Credit Ratings		0
Number Of Other Than Temporarily Impaired Securities	1
Available-for-sale Securities, Par Value	$ 3,000,000
Available-for-sale Securities, Present Value Of Expected Future Cash Flows	0
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities	$ 3,000,000
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Number Of Securities In Unrealized Loss Position		18

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Covered Assets and FDIC Loss-sharing Asset (FDIC Loss-sharing Asset) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Covered Assets And FDIC Loss Sharing Asset
Balance at beginning of period	$ 140,003	$ 175,071	$ 205,991	$ 209,694
Established through acquisitions	0	0	68,734	0
Cash received from the FDIC	(14,881)	(49,194)	(51,000)	(6,108)
FDIC reimbursable losses, net	(494)	587	2,192	1,138
Amortization, net	(9,694)	(33,418)	(32,556)	(10,928)
Impairment	(3,193)	18,705	2,424	921
Sale of other real estate	(1,315)	(4,881)	(3,487)	(1,471)
Write-downs of other real estate	1,141	4,503	911	467
Other	110	304	660	156
Balance at end of period	$ 111,677	$ 111,677	$ 193,869	$ 111,677

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Securities (Tables)

9 Months Ended

Sep. 30, 2012

Available-for-sale Securities [Abstract]

Securities Available for Sale

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

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	544,106	$	19,525	$	(423	)	$	563,208
State and municipal securities	258,130		24,388		(18		)	282,500
U.S. government agency and government-sponsored enterprise securities	92,888		1,618		—			94,506
Other securities	3,310		125		(25		)	3,410
Total	$	898,434	$	45,656	$	(466	)	$	943,624
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	678,631	$	19,323	$	(2,000	)	$	695,954
State and municipal securities	263,075		22,746		(58		)	285,763
U.S. government agency and government-sponsored enterprise securities	42,558		505		—			43,063
Other securities	3,296		64		(30		)	3,330
Total	$	987,560	$	42,638	$	(2,088	)	$	1,028,110

Schedule of Contractual Maturities of Investment Securities Available for Sale

The scheduled contractual maturities of investment securities available for sale at September 30, 2012 are presented as follows:

	September 30, 2012
	Amortized Cost		Fair Value
	(in thousands)
Due within one year	$	23,144	$	26,360
Due after one year through five years	138,171		142,207
Due after five years through ten years	152,525		160,307
Due after ten years	581,285		611,341
Other securities with no stated maturity	3,309		3,409
Total investment securities available-for-sale	$	898,434	$	943,624

Carrying Value of Securities Pledged As Collateral

The following table summarizes, as of September 30, 2012, the carrying value of securities pledged as collateral to secure public deposits, borrowings and other purposes as permitted or required by law:

	Carrying Amount
	(in thousands)
To Washington and Oregon State to secure public deposits	$	249,626
To Federal Reserve Bank to secure borrowings	51,487
Other securities pledged	46,994
Total securities pledged as collateral	$	348,107

Summary of Gross Unrealized Losses and Fair Value of the Investments with Unrealized Losses

The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at September 30, 2012 and December 31, 2011:

	Less than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(in thousands)
September 30, 2012
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	33,377	$	(272	)	$	18,445	$	(151	)	$	51,822	(423		)
State and municipal securities	636		(4		)	424		(14		)	1,060		(18		)
Other securities	—		—			975		(25		)	975		(25		)
Total	$	34,013	$	(276	)	$	19,844	$	(190	)	$	53,857	$	(466	)
December 31, 2011
U.S. government agency and government-sponsored enterprise mortgage-backed securities and collateralized mortgage obligations	$	238,875	$	(1,999	)	$	196	$	(1	)	$	239,071	$	(2,000	)
State and municipal securities	3,820		(24		)	950		(34		)	4,770		(58		)
Other securities	—		—			970		(30		)	970		(30		)
Total	$	242,695	$	(2,023	)	$	2,116	$	(65	)	$	244,811	$	(2,088	)

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

The following table sets forth activity for goodwill and intangible assets for the period:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
	(in thousands)
Total goodwill at beginning of period	$	115,554		$	118,434		$	115,554		$	109,639
Established through acquisitions	—			—			—			8,795
Total goodwill at end of period	115,554			118,434			115,554			118,434
Core deposit intangible:
Gross core deposit intangible balance at beginning of period	32,441			28,497			32,441			26,651
Accumulated amortization at beginning of period	(14,545		)	(9,894		)	(12,275		)	(7,955		)
Core deposit intangible, net at beginning of period	17,896			18,603			20,166			18,696
Established through acquisitions	—			3,943			—			5,789
CDI current period amortization	(1,093		)	(1,177		)	(3,363		)	(3,116		)
Total core deposit intangible, net at end of period	16,803			21,369			16,803			21,369
Total goodwill and intangible assets at end of period	$	132,357		$	139,803		$	132,357		$	139,803

Estimated Future Amortization Expense of Core Deposit Intangibles

The following table provides the estimated future amortization expense of core deposit intangibles for the remaining three months ending December 31, 2012 and the succeeding four years:

	Amount
	(in thousands)
Year ending December 31,
2012	$	1,082
2013	3,964
2014	3,397
2015	2,645
2016	2,184

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Covered Assets and FDIC Loss-sharing Asset (Changes in Allowance for Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Provision for loan and lease losses		$ 34,506	$ 4,962
Covered Loans [Member]
Covered Assets And FDIC Loss Sharing Asset [Line Items]
Beginning balance	31,784	4,944	6,055	7,948
Loans charged off	(977)	(2,574)	(368)	(312)
Recoveries	2,342	3,406	328	258
Provision for loan and lease losses	(3,992)	23,381	2,312	433
Ending balance	$ 29,157	$ 29,157	$ 8,327	$ 29,157

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Allowance for Noncovered Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Narrative) (Details) (Maximum [Member])	9 Months Ended
	Sep. 30, 2012
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of unallocated loan amount	5.00%

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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Interest Income
Loans	$ 52,600	$ 168,875	$ 151,446	$ 59,655
Taxable securities	4,218	14,414	16,701	6,037
Tax-exempt securities	2,422	7,442	7,483	2,500
Federal funds sold and deposits in banks	229	564	722	240
Total interest income	59,469	191,295	176,352	68,432
Interest Expense
Deposits	1,339	4,679	8,569	2,642
Federal Home Loan Bank advances	745	2,229	2,215	807
Long-term obligations	0	0	579	75
Other borrowings	120	358	377	120
Total interest expense	2,204	7,266	11,740	3,644
Net Interest Income	57,265	184,029	164,612	64,788
Provision for loan and lease losses		34,506	4,962
Net interest income after provision for loan and lease losses	58,382	149,523	159,650	63,855
Noninterest Income (Loss)
Service charges and other fees	7,609	22,222	19,746	6,991
Business Combination, Bargain Purchase, Gain Recognized, Amount	0	0	1,830	1,830
Merchant services fees	2,054	6,167	5,393	1,952
Gain on sale of investment securities, net	0	62	0	0
Bank owned life insurance	747	2,177	1,556	523
Change in FDIC loss sharing asset	(12,951)	(14,787)	(32,048)	(10,855)
Other	1,630	4,650	3,842	1,755
Total noninterest income (loss)	(911)	20,491	319	2,196
Noninterest Expense
Compensation and employee benefits	21,523	64,484	59,772	21,392
Occupancy	4,886	15,310	13,600	4,815
Merchant processing	921	2,724	2,764	976
Advertising and promotion	1,341	3,342	3,050	1,137
Data processing and communications	2,499	7,263	6,032	2,195
Legal and professional fees	2,783	6,221	4,868	1,957
Taxes, licenses and fees	1,124	3,594	2,983	1,211
Regulatory premiums	775	2,560	3,553	574
Net cost (benefit) of operation of other real estate owned	(1,069)	(536)	(423)	(195)
Amortization of intangibles	1,093	3,362	3,116	1,177
FDIC clawback liability (recovery)	334	100	3,294	1,146
Other	4,726	16,689	11,836	3,550
Total noninterest expense	40,936	125,113	114,445	39,935
Income before income taxes	16,535	44,901	45,524	26,116
Income tax provision	4,655	12,220	12,241	7,244
Net Income	11,880	32,681	33,283	18,872
Earnings per common share
Basic ($ per share)	$ 0.30	$ 0.82	$ 0.84	$ 0.48
Diluted ($ per share)	$ 0.30	$ 0.82	$ 0.84	$ 0.48
Dividends paid per common share	$ 0.30	$ 0.89	$ 0.14	$ 0.06
Weighted average number of common shares outstanding	39,289	39,248	39,092	39,131
Weighted average number of diluted common shares outstanding	39,291	39,251	39,167	39,192
Noncovered Loans [Member]
Interest Expense
Provision for loan and lease losses	2,875	11,125	2,650	500
Covered Loans [Member]
Interest Expense
Provision for loan and lease losses	$ (3,992)	$ 23,381	$ 2,312	$ 433

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Accounting Pronouncements Recently Issued

9 Months Ended

Sep. 30, 2012

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Accounting Pronouncements Recently Issued

Accounting Pronouncements Recently Issued

In May 2011, the Financial Accounting Standards Board ("FASB") issued ASU 2011-04, Amendments to Achieve Common Fair Value Measurement and Disclosure Requirements in U.S. Generally Accepted Accounting Principles (“GAAP”) and International Financial Reporting Standards (“IFRS”) (Topic 820). ASU 2011-04 developed common requirements between GAAP and IFRS for measuring fair value and for disclosing information about fair value measurements. The Company adopted this ASU during the first quarter of 2012 with no impact on the Company's financial condition or results of operations.

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Fair Value Accounting and Measurement (Financial Assets Accounted For Fair Value On Nonrecurring Basis) (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended		15 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 6,094	$ 6,094	$ 3,717	$ 6,094
Fair Value, Option, Changes in Fair Value, Gain (Loss)	430	9,509	8,292	1,512
Assets, Fair Value Disclosure	8,922	8,922	7,048	8,922
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	0	0	0	0
Assets, Fair Value Disclosure	0	0	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	0	0	0	0
Assets, Fair Value Disclosure	0	0	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	6,094	6,094	3,717	6,094
Assets, Fair Value Disclosure	8,922	8,922	7,048	8,922
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(509)	3,377	4,707	735
Covered Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	1,021	1,021	455	1,021
Covered Loans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0	0	0
Covered Loans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0	0	0
Covered Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	1,021	1,021	455	1,021
Covered Loans [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	481	1,025	280	204
Noncovered Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	1,807	1,807	2,876	1,807
OPPO	0	0	0	0
Noncovered Loans [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0	0	0
OPPO	0	0	0	0
Noncovered Loans [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	0	0	0	0
OPPO	0	0	0	0
Noncovered Loans [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
OREO	1,807	1,807	2,876	1,807
OPPO	0	0	0	0
Noncovered Loans [Member] | Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	458	3,117	3,120	573
Noncovered Loans [Member] | Other Personal Property Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ 0	$ (1,990)	$ (185)	$ 0

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Derivatives and Hedging Activities (Tables) (Not Designated as Hedging Instrument [Member])

9 Months Ended

Sep. 30, 2012

Not Designated as Hedging Instrument [Member]

Derivative [Line Items]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The following table presents the fair value of derivatives not designated as hedging instruments at September 30, 2012 and December 31, 2011:

Asset Derivatives

Liability Derivatives

September 30, 2012

December 31, 2011

September 30, 2012

December 31, 2011

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

(in thousands)

Interest rate contracts

Other assets

$

16,375

Other assets

$

16,302

Other liabilities

$

16,375

Other liabilities

$

16,302

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Noncovered Loans (Analysis of the Aged Loan Portfolio) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	$ 2,420,964	$ 2,282,441
30 - 59 Days Past Due	9,674	8,917
60 - 89 Days Past Due	4,617	3,530
Greater than 90 Days Past Due	0	0
Total Past Due	14,291	12,447
Nonaccrual Loans	41,589	53,483
Loans Receivable, Net	2,476,844	2,348,371
Commercial Portfolio Segment [Member] | Secured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	1,079,237	966,563
30 - 59 Days Past Due	4,735	1,741
60 - 89 Days Past Due	572	2,989
Greater than 90 Days Past Due	0	0
Total Past Due	5,307	4,730
Nonaccrual Loans	12,455	10,124
Loans Receivable, Net	1,096,999	981,417
Commercial Portfolio Segment [Member] | Unsecured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	41,414	46,880
30 - 59 Days Past Due	58	407
60 - 89 Days Past Due	485	0
Greater than 90 Days Past Due	0	0
Total Past Due	543	407
Nonaccrual Loans	109	119
Loans Receivable, Net	42,066	47,406
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	45,173	60,764
30 - 59 Days Past Due	31	603
60 - 89 Days Past Due	401	0
Greater than 90 Days Past Due	0	0
Total Past Due	432	603
Nonaccrual Loans	2,220	2,696
Loans Receivable, Net	47,825	64,063
Real Estate Portfolio Segment [Member] | Commercial Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	39,729	46,161
30 - 59 Days Past Due	93	781
60 - 89 Days Past Due	420	0
Greater than 90 Days Past Due	0	0
Total Past Due	513	781
Nonaccrual Loans	3,647	3,739
Loans Receivable, Net	43,889	50,681
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	576,969	524,225
30 - 59 Days Past Due	2,281	2,872
60 - 89 Days Past Due	0	121
Greater than 90 Days Past Due	0	0
Total Past Due	2,281	2,993
Nonaccrual Loans	6,628	6,775
Loans Receivable, Net	585,878	533,993
Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	388,011	394,691
30 - 59 Days Past Due	1,124	829
60 - 89 Days Past Due	0	298
Greater than 90 Days Past Due	0	0
Total Past Due	1,124	1,127
Nonaccrual Loans	9,184	8,971
Loans Receivable, Net	398,319	404,789
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	27,027	13,810
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Nonaccrual Loans	0	7,067
Loans Receivable, Net	27,027	20,877
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	23,974	12,790
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Greater than 90 Days Past Due	0	0
Total Past Due	0	0
Nonaccrual Loans	0	0
Loans Receivable, Net	23,974	12,790
Real Estate Construction Portfolio Segment [Member] | Land and Acquisition [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	14,139	17,249
30 - 59 Days Past Due	386	153
60 - 89 Days Past Due	1,225	0
Greater than 90 Days Past Due	0	0
Total Past Due	1,611	153
Nonaccrual Loans	3,332	7,799
Loans Receivable, Net	19,082	25,201
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	27,390	19,555
30 - 59 Days Past Due	118	1,390
60 - 89 Days Past Due	1,395	0
Greater than 90 Days Past Due	0	0
Total Past Due	1,513	1,390
Nonaccrual Loans	2,027	2,986
Loans Receivable, Net	30,930	23,931
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	157,901	179,753
30 - 59 Days Past Due	848	141
60 - 89 Days Past Due	119	122
Greater than 90 Days Past Due	0	0
Total Past Due	967	263
Nonaccrual Loans	1,987	3,207
Loans Receivable, Net	$ 160,855	$ 183,223

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Earnings per Common Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings per Common Share

Basic Earnings per Share (“EPS”) is computed by dividing income applicable to common shareholders by the weighted average number of common shares outstanding for the period. Common shares outstanding include common stock and vested restricted stock awards where recipients have satisfied the vesting terms. Diluted EPS reflects the assumed conversion of all dilutive securities, applying the treasury stock method. The Company calculates earnings per share using the two-class method as described in the Earnings per Share topic of the FASB ASC.

The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
	(in thousands except per share)
Basic EPS:
Net income	$	11,880		$	18,872		$	32,681		$	33,283
Less: Earnings allocated to participating securities	(113		)	(177		)	(336		)	(311		)
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Basic earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Diluted EPS:
Earnings allocated to common shareholders	$	11,767		$	18,695		$	32,345		$	32,972
Weighted average common shares outstanding	39,289			39,131			39,248			39,092
Dilutive effect of equity awards	2			61			3			75
Weighted average diluted common shares outstanding	39,291			39,192			39,251			39,167
Diluted earnings per common share	$	0.30		$	0.48		$	0.82		$	0.84
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive	53			75			46			62