10-Q

United States

Securities and Exchange Commission 

Washington, D.C. 20549

FORM 10-Q

[X]	Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
	for the quarterly period ended: March 31, 2015
	or

[  ]	Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
	for the transition period from  to .

Commission File Number:001-34624

Umpqua Holdings Corporation

(Exact Name of Registrant as Specified in Its Charter)

OREGON	93-1261319
(State or Other Jurisdiction	(I.R.S. Employer Identification Number)
of Incorporation or Organization)

One SW Columbia Street, Suite 1200 

Portland, Oregon 97258 

(Address of Principal Executive Offices)(Zip Code) 

(503) 727-4100 

(Registrant's Telephone Number, Including Area Code) 

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

[X]   Yes   [  ]   No 

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

[X]   Yes   [  ]   No 

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

[X]   Large accelerated filer   [    ]   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   [X]   No 

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

Common stock, no par value: 220,557,889 shares outstanding as of April 30, 2015

UMPQUA HOLDINGS CORPORATION 

FORM 10-Q 

Table of Contents 

PART I.  FINANCIAL INFORMATION		3
Item 1.	Financial Statements (unaudited)	3
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	51
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	73
Item 4.	Controls and Procedures	73
Part II.  OTHER INFORMATION		74
Item 1.	Legal Proceedings	74
Item 1A.	Risk Factors	74
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	75
Item 3.	Defaults Upon Senior Securities	75
Item 4.	Mine Safety Disclosures	75
Item 5.	Other Information	75
Item 6.	Exhibits	75
SIGNATURES		76
EXHIBIT INDEX		77

2

PART I.FINANCIAL INFORMATION

Item 1.Financial Statements (unaudited) 

UMPQUA HOLDINGS CORPORATION AND SUBSIDIARIES 

CONDENSED CONSOLIDATED BALANCE SHEETS 

(UNAUDITED) 

(in thousands, except shares)
	March 31,			December 31,
	2015			2014
ASSETS
Cash and due from banks	$	292,558		$	282,455
Interest bearing deposits and temporary investments (restricted cash of $62,925 and $47,717)	1,088,316			1,322,716
Total cash and cash equivalents	1,380,874			1,605,171
Investment securities
Trading, at fair value	10,452			9,999
Available for sale, at fair value	2,535,121			2,298,555
Held to maturity, at amortized cost	4,953			5,211
Loans held for sale, at fair value	406,487			286,802
Loans and leases	15,548,957			15,327,732
Allowance for loan and lease losses	(120,104		)	(116,167		)
Net loans and leases	15,428,853			15,211,565
Restricted equity securities	117,218			119,334
Premises and equipment, net	322,925			317,834
Goodwill	1,788,640			1,786,225
Other intangible assets, net	53,927			56,733
Residential mortgage servicing rights, at fair value	116,365			117,259
Other real estate owned	32,064			37,942
FDIC indemnification asset	1,861			4,417
Bank owned life insurance	294,697			294,296
Deferred tax asset, net	198,778			230,442
Other assets	259,943			228,118
Total assets	$	22,953,158		$	22,609,903
LIABILITIES AND SHAREHOLDERS' EQUITY
Deposits
Noninterest bearing	$	4,930,642		$	4,744,804
Interest bearing	12,291,924			12,147,295
Total deposits	17,222,566			16,892,099
Securities sold under agreements to repurchase	321,202			313,321
Term debt	965,675			1,006,395
Junior subordinated debentures, at fair value	250,652			249,294
Junior subordinated debentures, at amortized cost	101,496			101,576
Other liabilities	290,597			269,592
Total liabilities	19,152,188			18,832,277
COMMITMENTS AND CONTINGENCIES (NOTE 9)
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 in 2015 and 2014; issued and outstanding: 220,453,729 in 2015 and 220,161,120 in 2014	3,521,201			3,519,316
Retained earnings	260,128			246,242
Accumulated other comprehensive income	19,641			12,068
Total shareholders' equity	3,800,970			3,777,626
Total liabilities and shareholders' equity	$	22,953,158		$	22,609,903

See notes to condensed consolidated financial statements

3

UMPQUA HOLDINGS CORPORATION AND SUBSIDIARIES 

CONDENSED CONSOLIDATED STATEMENTS OFINCOME 

(UNAUDITED)

(in thousands, except per share amounts)	Three Months Ended
	March 31,
	2015			2014
INTEREST INCOME
Interest and fees on loans and leases	$	214,663		$	103,986
Interest and dividends on investment securities:
Taxable	11,551			9,291
Exempt from federal income tax	2,720			2,112
Dividends	101			50
Interest on temporary investments and interest bearing deposits	825			441
Total interest income	229,860			115,880
INTEREST EXPENSE
Interest on deposits	7,103			3,848
Interest on securities sold under agreement to repurchase	48			41
Interest on term debt	3,464			2,273
Interest on junior subordinated debentures	3,337			1,880
Total interest expense	13,952			8,042
Net interest income	215,908			107,838
PROVISION FOR LOAN AND LEASE LOSSES	12,637			5,971
Net interest income after provision for loan and lease losses	203,271			101,867
NON-INTEREST INCOME
Service charges on deposit accounts	14,296			7,767
Brokerage commissions and fees	4,769			3,725
Residential mortgage banking revenue, net	28,227			10,439
Gain on investment securities, net	116			—
Gain on loan sales	6,728			517
Loss on junior subordinated debentures carried at fair value	(1,555		)	(542		)
Change in FDIC indemnification asset	(1,286		)	(4,840		)
BOLI income	2,781			736
Other income	9,519			5,436
Total non-interest income	63,595			23,238
NON-INTEREST EXPENSE
Salaries and employee benefits	107,923			53,218
Net occupancy and equipment	32,150			16,501
Communications	4,794			2,902
Marketing	3,027			1,005
Services	13,988			5,990
FDIC assessments	3,214			1,863
Net loss (gain) on other real estate owned	1,814			(64		)
Intangible amortization	2,806			1,194
Merger related expenses	14,082			5,983
Other expenses	9,300			7,926
Total non-interest expense	193,098			96,518
Income before provision for income taxes	73,768			28,587
Provision for income taxes	26,639			9,936
Net income	$	47,129		$	18,651

4

UMPQUA HOLDINGS CORPORATION AND SUBSIDIARIES 

CONDENSED CONSOLIDATED STATEMENTS OFINCOME(Continued) 

(UNAUDITED)

(in thousands, except per share amounts)	Three Months Ended
	March 31,
	2015		2014
Net income	$	47,129	$	18,651
Dividends and undistributed earnings allocated to participating securities	84		113
Net earnings available to common shareholders	$	47,045	$	18,538
Earnings per common share:
Basic	$0.21		$0.17
Diluted	$0.21		$0.16
Weighted average number of common shares outstanding:
Basic	220,349		112,170
Diluted	221,051		112,367

See notes to condensed consolidated financial statements

5

UMPQUA HOLDINGS CORPORATION AND SUBSIDIARIES 

CONDENSEDCONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED) 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Net income	$	47,129		$	18,651
Available for sale securities:
Unrealized gains arising during the period	12,740			7,979
Reclassification adjustment for net gains realized in earnings (net of tax expense of $45 and $0 for the three months ended March 31, 2015 and 2014)	(71		)	—
Income tax expense related to unrealized gains	(5,096		)	(3,192		)
Net change in unrealized gains	7,573			4,787
Held to maturity securities:
Accretion of unrealized losses related to factors other than credit to investment securities held to maturity (net of tax benefit of $0 and $6 for the three months ended March 31, 2015 and 2014)	—			10
Net change in unrealized losses related to factors other than credit	—			10
Other comprehensive income, net of tax	7,573			4,797
Comprehensive income	$	54,702		$	23,448

See notes to condensed consolidated financial statements

6

UMPQUA HOLDINGS CORPORATION AND SUBSIDIARIES 

CONDENSEDCONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

(UNAUDITED)

(in thousands, except shares)									Accumulated
									Other
	Common Stock					Retained			Comprehensive
	Shares		Amount			Earnings			Income (Loss)			Total
BALANCE AT JANUARY 1, 2014	111,973,203		$	1,514,485		$	217,917		$	(4,976	)	$	1,727,426
Cumulative effect adjustment						(3,509		)				(3,509		)
Restated balance at January 1, 2014						214,408						1,723,917
Net income, retrospectively adjusted						147,658						147,658
Other comprehensive income, net of tax									17,044			17,044
Stock issued in connection with merger (1)	104,385,087		1,989,030									1,989,030
Stock-based compensation			15,292									15,292
Stock repurchased and retired	(403,828	)	(7,183		)							(7,183		)
Issuances of common stock under stock plans and related net tax benefit (2)	4,206,658		7,692									7,692
Cash dividends on common stock ($0.60 per share)						(115,824		)				(115,824		)
Balance at December 31, 2014	220,161,120		$	3,519,316		$	246,242		$	12,068		$	3,777,626
BALANCE AT JANUARY 1, 2015	220,161,120		$	3,519,316		$	246,242		$	12,068		$	3,777,626
Net income						47,129						47,129
Other comprehensive income, net of tax									7,573			7,573
Stock-based compensation			3,433									3,433
Stock repurchased and retired	(130,818	)	(2,220		)							(2,220		)
Issuances of common stock under stock plans and related net tax benefit	423,427		672									672
Cash dividends on common stock ($0.15 per share)						(33,243		)				(33,243		)
Balance at March 31, 2015	220,453,729		$	3,521,201		$	260,128		$	19,641		$	3,800,970

(1) The amount of common stock issued in connection with the merger is net of $784,000 of issuance costs.

(2) The shares issued include 2,889,896 of warrants exercised.

See notes to condensed consolidated financial statements

7

UMPQUA HOLDINGS CORPORATIONAND SUBSIDIARIES CONDENSEDCONSOLIDATED STATEMENTS OF CASH FLOWS  (UNAUDITED)
(in thousands)	Three Months Ended
	March 31,
	2015			2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	47,129		$	18,651
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of investment premiums, net	5,605			4,000
Gain on sale of investment securities, net	(116		)	—
Gain on sale of other real estate owned	(578		)	(163		)
Valuation adjustment on other real estate owned	2,392			99
Provision for loan and lease losses	12,637			5,971
Proceeds from bank owned life insurance	—			187
Change in cash surrender value of bank owned life insurance	(2,336		)	(838		)
Change in FDIC indemnification asset	1,286			4,840
Depreciation, amortization and accretion	11,490			4,280
Increase in residential mortgage servicing rights	(8,837		)	(2,408		)
Change in residential mortgage servicing rights carried at fair value	9,731			953
Change in junior subordinated debentures carried at fair value	1,358			526
Stock-based compensation	3,433			1,534
Net (increase) decrease in trading account assets	(453		)	1,460
Gain on sale of loans	(34,692		)	(9,684		)
Change in loans held for sale carried at fair value	(4,875		)	(324		)
Origination of loans held for sale	(862,155		)	(204,356		)
Proceeds from sales of loans held for sale	775,309			245,405
Excess tax benefits from the exercise of stock options	(586		)	(892		)
Change in other assets and liabilities:
Net decrease in other assets	(329		)	(678		)
Net increase in other liabilities	20,253			2,077
Net cash (used) provided by operating activities	(24,334		)	70,640
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of investment securities available for sale	(394,872		)	—
Proceeds from investment securities available for sale	165,100			93,176
Proceeds from investment securities held to maturity	164			167
Redemption of restricted equity securities	2,116			737
Net loan and lease originations	(303,577		)	(61,331		)
Proceeds from sales of loans	79,575			22,272
Proceeds from disposals of furniture and equipment	2,318			30
Purchases of premises and equipment	(21,018		)	(8,162		)
Net payments to FDIC indemnification asset	(446		)	(812		)
Proceeds from sales of other real estate owned	5,528			1,914
Net cash (used) provided by investing activities	$	(465,112	)	$	47,991

8

UMPQUA HOLDINGS CORPORATIONAND SUBSIDIARIES CONDENSEDCONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)  (UNAUDITED)
(in thousands)	Three Months Ended
	March 31,
	2015			2014
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit liabilities	$	331,988		$	155,999
Net increase in securities sold under agreements to repurchase	7,881			37,601
Repayment of term debt	(39,999		)	—
Dividends paid on common stock	(33,109		)	(16,936		)
Excess tax benefits from stock based compensation	586			892
Proceeds from stock options exercised	22			3,112
Retirement of common stock	(2,220		)	(4,614		)
Net cash provided by financing activities	265,149			176,054
Net increase in cash and cash equivalents	(224,297		)	294,685
Cash and cash equivalents, beginning of period	1,605,171			790,423
Cash and cash equivalents, end of period	$	1,380,874		$	1,085,108
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for:
Interest	$	16,673		$	9,032
Income taxes	$	5,936		$	1,456
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Change in unrealized gains on investment securities available for sale, net of taxes	$	7,573		$	4,787
Change in unrealized losses on investment securities held to maturity related to factors other than credit, net of taxes	$	—		$	10
Cash dividend declared on common stock and payable after period-end	$	33,126		$	16,947
Transfer of loans to other real estate owned	$	1,464		$	1,878
Transfer from FDIC indemnification asset to due from FDIC and other	$	1,270		$	(28	)
Receivable from BOLI death benefits	$	1,935		$	—

See notes to condensed consolidated financial statements

9

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Note 1 – Summary of Significant Accounting Policies 

The accounting and financial reporting policies of Umpqua Holdings Corporation conform to accounting principles generally accepted in the United States of America. The accompanying interim condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries.  All material inter-company balances and transactions have been eliminated. The condensed consolidated financial statements have not been audited. A more detailed description of our accounting policies is included in the 2014 Annual Report filed on Form 10-K. These interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the 2014 Annual Report filed on Form 10-K. All references in this report to "Umpqua," "we," "our," "us," the "Company" or similar references mean Umpqua Holdings Corporation, and include our consolidated subsidiaries where the context so requires. References to "Bank" refer to our subsidiary Umpqua Bank, an Oregon state-chartered commercial bank, and references to "Umpqua Investments" refer to our subsidiary Umpqua Investments, Inc., a registered broker-dealer and investment adviser. The Bank also has a wholly-owned subsidiary, Financial Pacific Leasing Inc., a commercial equipment leasing company.

In preparing these condensed consolidated financial statements, the Company has evaluated events and transactions subsequent to March 31, 2015 for potential recognition or disclosure. In management's opinion, all accounting adjustments necessary to accurately reflect the financial position and results of operations on the accompanying financial statements have been made. These adjustments include normal and recurring accruals considered necessary for a fair and accurate presentation. The results for interim periods are not necessarily indicative of results for the full year or any other interim period.  Certain reclassifications of prior period amounts have been made to conform to current classifications.

Application of new accounting guidance

As of January 1, 2015, Umpqua adopted the Financial Accounting Standards Board's ("FASB") Accounting Standard Update ("ASU") No. 2014-01, Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects. Application of ASU No. 2014-01 provides for a consistent accounting method for our investments in qualified affordable housing projects using a proportional amortization method. As required by ASU No. 2014-01, the new accounting methodology has been retrospectively applied resulting in changes to other non-interest income, tax expense, and net income, deferred tax asset, other assets, and retained earnings in the prior periods presented. The effect of this change was a decrease in net income of $109,000 for the quarter ended March 31, 2015. The effect of this change on the revised March 31, 2014 was a decrease in net income of $113,000. Retained earnings as of January 1, 2014, has been adjusted down by $3.5 million for the effect of the retroactive application of the new standard.

As of January 1, 2015, Umpqua applied FASB ASU No. 2014-04, Receivables -Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. ASU 2014-04 clarifies when a repossession or foreclosure has occurred. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. As of March 31, 2015, Umpqua had $3.4 million of foreclosed residential real estate property held as other real estate owned. Umpqua's recorded investment in consumer mortgage loans collateralized by residential real estate property in process of foreclosure was $6.9 million as of March 31, 2015.

Note 2 – Business Combinations 

Sterling Financial Corporation

As of the close of business on April 18, 2014, the Company completed its merger with Sterling Financial Corporation, a Washington corporation ("Sterling").  The results of Sterling's operations are included in the Company's financial results beginning April 19, 2014 and the combined company's banking operations are operating under the Umpqua Bank name and brand.

The structure of the transaction was as follows:

• Sterling merged with and into the Company (the "Merger" or the "Sterling Merger") with the Company as the surviving corporation in the Merger;

• Immediately following the Merger, Sterling's wholly owned banking subsidiary, Sterling Savings Bank, merged with and into the Bank (the "Bank Merger"), with the Bank as the surviving bank in the Bank Merger;

• Holders of shares of common stock of Sterling had the right to receive 1.671 shares of the Company's common stockand $2.18 in cash for each share of Sterling common stock;

10

• Each outstanding warrant issued by Sterling converted into a warrant exercisable for 1.671 shares of the Company's common stockand $2.18 in cash for each warrant when exercised;

• Each outstanding option to purchase a share of Sterling common stock converted into an option to purchase 1.7896 shares of the Company's common stock, subject to vesting conditions; and

• Each outstanding restricted stock unit in respect of Sterling common stock converted into a restricted stock unit in respect of 1.7896 shares of the Company common stock, subject to vesting conditions.

A summary of the consideration paid, the assets acquired and liabilities assumed in the Merger are presented below:

(in thousands)
	Sterling
	April 18, 2014
Fair value of consideration to Sterling shareholders:
Cash paid			$	136,200
Liability recorded for warrants' cash payment per share			6,453
Fair value of common shares issued			1,939,497
Fair value of warrants, common stock options, and restricted stock exchanged			50,317
Total consideration			2,132,467
Fair value of assets acquired:
Cash and cash equivalents	$	253,067
Investment securities	1,378,300
Loans held for sale	214,911
Loans and leases	7,123,168
Premises and equipment	116,576
Residential mortgage servicing rights	62,770
Other intangible assets	54,562
Other real estate owned	8,666
Bank owned life insurance	193,246
Deferred tax asset	300,015
Accrued interest receivable	23,553
Other assets	148,906
Total assets acquired	9,877,740
Fair value of liabilities assumed:
Deposits	7,086,052
Securities sold under agreements to repurchase	584,746
Term debt	854,737
Junior subordinated debentures	156,171
Other liabilities	87,902
Total liabilities assumed	$	8,769,608
Net assets acquired			1,108,132
Goodwill			$	1,024,335

The primary reason for the Merger was to continue the Company's growth strategy, including expanding our geographic footprint in markets throughout the West Coast. All of the goodwill recorded has been attributed to the Community Banking segment and reporting unit. None of the goodwill will be deductible for income tax purposes.

Subsequent to acquisition, the Company repaid securities sold under agreements to repurchase acquired of $500.0 million, funded through the sale of acquiredinvestment securities in the second quarter of 2014. On June 20, 2014, the Company completed the required divestiture of six stores acquired in the Merger to another financial institution. The divestiture of the six stores included $211.5 million of deposits and $88.3 million of loans. The assets were sold at a discount of $7.0 million, which was recorded by Sterling prior to the Merger.

11

As of April 18, 2014, the unpaid principal balance on purchased non-impaired loans was $7.0 billion. The fair value of the purchased non-impaired loans was $6.7 billion, resulting in a discount of $230.5 million being recorded on these loans.

The following table presents the acquired purchased impaired loans as of the acquisition date:

(in thousands)	Purchased impaired
Contractually required principal payments	$	604,136
Nonaccretable difference	(95,614		)
Cash flows expected to be collected	508,522
Accretable yield	(110,757		)
Fair value of purchased impaired loans	$	397,765

The operations of Sterling are included in our operating results beginning on April 19, 2014, and contributed an estimated net interest income of $114.0 million and net income of $33.9 million for the three months ended March 31, 2015.

The following table provides a breakout of Merger related expense for the three months ended March 31, 2015.

(in thousands)
	Three Months Ended
	March 31, 2015
Personnel	$	4,367
Legal and professional	3,913
Premises and Equipment	3,017
Communication	434
Other	2,351
Total Merger related expense	$	14,082

12

The following table presents unaudited pro forma results of operations for the three months ended March 31, 2014, as if the Sterling Merger had occurred on January 1, 2013. The pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the results that would have been obtained had the acquisition actually occurred on January 1, 2013. The pro forma results include the impact of certain purchase accounting adjustments including accretion of loan discount, intangible assets amortization and deposit and borrowing premium accretion. These purchase accounting adjustments increased pro forma net income by $16.1 million for the three months ended March 31, 2014.

(in thousands, except per share data)	Pro Forma
	Three Months Ended
	March 31,
	2014
Net interest income	$	222,766	(1), (2), (3)
Provision for loan and lease losses	5,971
Non-interest income	45,018		(4), (5), (6)
Non-interest expense	188,488		(7)
Income before provision for income taxes	73,325
Provision for income taxes	26,073
Net income	47,252
Dividends and undistributed earnings allocated to participating securities	113
Net earnings available to common shareholders	$	47,139
Earnings per share:
Basic	$	0.22
Diluted	$	0.22
Average shares outstanding:
Basic	216,438
Diluted	217,523

(1) Includes $26.7 million of incremental loan discount accretion for the three months ended March 31, 2014.

(2) Includes a reduction of interest income of $1.5 million related to investment securities premiums amortization for the three months ended March 31, 2014.

(3) Includes a reduction of interest expense of $4.9 million related to deposit and borrowing premiums amortization for the three months ended March 31, 2014.

(4) Includes a reduction of service charges on deposits of $1.4 million as a result of passing the $10 billion asset threshold for the three months ended March 31, 2014.

(5) Includes a loss on junior subordinated debentures carried at fair value of $952,000 for the three months ended March 31, 2014.

(6) Includes the reversal of the $7.0 million loss on the required divestiture of six Sterling stores in connection with the merger for the three months ended March 31, 2014.

(7) Includes a net increase of $5.4 million of merger expenses and $1.7 million of incremental core deposit intangible amortization for the three months ended March 31, 2014.

13

Note 3– Investment Securities 

The following table presents the amortized costs, unrealized gains, unrealized losses and approximate fair values of investment securities at March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	321,744		16,398		(540		)	337,602
Residential mortgage-backed securities and collateralized mortgage obligations	2,179,212		23,398		(7,409		)	2,195,201
Investments in mutual funds and other equity securities	2,016		73		—			2,089
	$	2,503,185	$	39,885	$	(7,949	)	$	2,535,121
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	4,953	$	478	$	(2	)	$	5,429
	$	4,953	$	478	$	(2	)	$	5,429

(in thousands)	December 31, 2014
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	325,189		14,056		(841		)	338,404
Residential mortgage-backed securities and collateralized mortgage obligations	1,951,514		17,398		(11,060		)	1,957,852
Investments in mutual funds and other equity securities	2,016		54		—			2,070
	$	2,278,932	$	31,524	$	(11,901	)	$	2,298,555
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	5,088	$	358	$	(15	)	$	5,431
Other investment securities	123		—		—			123
	$	5,211	$	358	$	(15	)	$	5,554

Investment securities that were in an unrealized loss position as of March 31, 2015 and December 31, 2014 are presented in the following tables, based on the length of time individual securities have been in an unrealized loss position. In the opinion of management, these securities are considered only temporarily impaired due to changes in market interest rates or the widening of market spreads subsequent to the initial purchase of the securities, and not due to concerns regarding the underlying credit of the issuers or the underlying collateral. 

14

March 31, 2015
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	4,169	$	434	$	6,176	$	106	$	10,345	$	540
Residential mortgage-backed securities and collateralized mortgage obligations	368,351		1,242		360,210		6,167		728,561		7,409
Total temporarily impaired securities	$	372,520	$	1,676	$	366,386	$	6,273	$	738,906	$	7,949
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	38	$	2	$	—	$	—	$	38	$	2
Total temporarily impaired securities	$	38	$	2	$	—	$	—	$	38	$	2

December 31, 2014
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	11,100	$	547	$	8,550	$	294	$	19,650	$	841
Residential mortgage-backed securities and collateralized mortgage obligations	220,577		815		495,096		10,245		715,673		11,060
Total temporarily impaired securities	$	231,677	$	1,362	$	503,646	$	10,539	$	735,323	$	11,901
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	224	$	15	$	—	$	—	$	224	$	15
Total temporarily impaired securities	$	224	$	15	$	—	$	—	$	224	$	15

The unrealized losses on obligations of political subdivisions were caused by changes in market interest rates or the widening of market spreads subsequent to the initial purchase of these securities. Management monitors published credit ratings of these securities and no adverse ratings changes have occurred since the date of purchase of obligations of political subdivisions which are in an unrealized loss position as of March 31, 2015. Because the decline in fair value is attributable to changes in interest rates or widening market spreads and not credit quality, and because the Bank does not intend to sell the securities in this class and it is not likely that the Bank will be required to sell these securities before recovery of their amortized cost basis, which may include holding each security until maturity, the unrealized losses on these investments are not considered other-than-temporarily impaired. 

All of the available for sale residential mortgage-backed securities and collateralized mortgage obligations portfolio in an unrealized loss position at March 31, 2015 are issued or guaranteed by governmental agencies. The unrealized losses on residential mortgage-backed securities and collateralized mortgage obligations were caused by changes in market interest rates or the widening of market spreads subsequent to the initial purchase of these securities, and not concerns regarding the underlying credit of the issuers or the underlying collateral. It is expected that these securities will not be settled at a price less than the amortized cost of each investment. Because the decline in fair value is attributable to changes in interest rates or widening market spreads and not credit quality, and because the Bank does not intend to sell the securities in this class and it is not likely that the Bank will be required to sell these securities before recovery of their amortized cost basis, which may include holding each security until contractual maturity, these investments are not considered other-than-temporarily impaired. 

15

The following table presents the maturities of investment securities at March 31, 2015: 

(in thousands)	Available For Sale				Held To Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
AMOUNTS MATURING IN:
Three months or less	$	9,860	$	9,888	$	—	$	—
Over three months through twelve months	56,364		57,003		—		—
After one year through five years	1,486,535		1,513,798		29		30
After five years through ten years	758,471		759,196		24		25
After ten years	189,939		193,147		4,900		5,374
Other investment securities	2,016		2,089		—		—
	$	2,503,185	$	2,535,121	$	4,953	$	5,429

The amortized cost and fair value of collateralized mortgage obligations and mortgage-backed securities are presented by expected average life, rather than contractual maturity, in the preceding table. Expected maturities may differ from contractual maturities because borrowers have the right to prepay underlying loans without prepayment penalties. The following table presents the gross realized gains and gross realized losses on the sale of securities available for sale for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015				March 31, 2014
	Gains		Losses		Gains		Losses
Residential mortgage-backed securities and collateralized mortgage obligations	$	316	$	200	$	—	$	—
	$	316	$	200	$	—	$	—

The following table presents, as of March 31, 2015, investment securities which were pledged to secure borrowings, public deposits, and repurchase agreements as permitted or required by law: 

(in thousands)	Amortized		Fair
	Cost		Value
To Federal Home Loan Bank to secure borrowings	$	2,044	$	2,130
To state and local governments to secure public deposits	1,608,409		1,633,048
Other securities pledged principally to secure repurchase agreements	449,994		453,419
Total pledged securities	$	2,060,447	$	2,088,597

16

Note 4– Loans and Leases

The following table presents the major types of loans and leases, net of deferred fees and costs, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31,		December 31,
	2015		2014
Commercial real estate
Non-owner occupied term, net	$	3,303,629	$	3,290,610
Owner occupied term, net	2,577,484		2,633,864
Multifamily, net	2,764,403		2,638,618
Construction & development, net	238,303		258,722
Residential development, net	81,160		81,846
Commercial
Term, net	1,128,986		1,102,987
LOC & other, net	1,275,871		1,322,722
Leases and equipment finance, net	570,492		523,114
Residential
Mortgage, net	2,330,325		2,233,735
Home equity loans & lines, net	863,269		852,478
Consumer & other, net	415,035		389,036
Total loans and leases, net of deferred fees and costs	$	15,548,957	$	15,327,732

The loan balances are net of deferred fees and costs of $31.7 million and $26.3 million as of March 31, 2015 and December 31, 2014, respectively. Net loans include discounts on acquired loans of $198.1 million and $236.6 million as of March 31, 2015 and December 31, 2014, respectively. As of March 31, 2015, loans totaling $8.4 billion were pledged to secure borrowings and available lines of credit.

The outstanding contractual unpaid principal balance of purchased impaired loans, excluding acquisition accounting adjustments, was $711.2 million and $770.9 million at March 31, 2015 and December 31, 2014, respectively. The carrying balance of purchased impaired loans was $521.1 million and $562.9 million at March 31, 2015 and December 31, 2014, respectively.

17

The following table presents the changes in the accretable yield for purchased impaired loans for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015
	Evergreen			Rainier			Nevada Security			Circle			Sterling			Total
Balance, beginning of period	$	9,466		$	49,989		$	23,666		$	796		$	117,782		$	201,699
Accretion to interest income	(1,722		)	(2,993		)	(2,892		)	(112		)	(5,564		)	(13,283		)
Disposals	(2,036		)	(632		)	(1,293		)	—			(2,952		)	(6,913		)
Reclassifications from (to) nonaccretable difference	2,240			1,654			1,149			37			(996		)	4,084
Balance, end of period	$	7,948		$	48,018		$	20,630		$	721		$	108,270		$	185,587
	Three Months Ended
	March 31, 2014
	Evergreen			Rainier			Nevada Security			Circle			Total
Balance, beginning of period	$	20,063		$	71,789		$	34,632		$	1,140		$	127,624
Accretion to interest income	(3,637		)	(4,281		)	(4,464		)	(87		)	(12,469		)
Disposals	(1,240		)	(987		)	(1,630		)	—			(3,857		)
Reclassifications from nonaccretable difference	974			1,402			2,953			—			5,329
Balance, end of period	$	16,160		$	67,923		$	31,491		$	1,053		$	116,627

Loans acquired in a FDIC-assisted acquisition that are subject to a loss-share agreement are referred to as covered loans. Covered loans are reported exclusive of the cash flow reimbursements expected from the FDIC. The following table summarizes the activity related to the FDIC indemnification asset for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months ended
	March 31,
	2015			2014
Balance, beginning of period	$	4,417		$	23,174
Change in FDIC indemnification asset	(1,286		)	(4,840		)
Transfers to due from FDIC and other	(1,270		)	28
Balance, end of period	$	1,861		$	18,362

Note 5– Allowance for Loan and Lease Loss and Credit Quality 

The Bank's methodology for assessing the appropriateness of the Allowance for Loan and Lease Loss ("ALLL") consists of three key elements: 1) the formula allowance; 2) the specific allowance; and 3) the unallocated allowance. By incorporating these factors into a single allowance requirement analysis, we believe all risk-based activities within the loan and lease portfolios are simultaneously considered. 

Formula Allowance 

When loans and leases are originated or acquired, they are assigned a risk rating that is reassessed periodically during the term of the loan or lease through the credit review process.  The Bank's risk rating methodology assigns risk ratings ranging from 1 to 10, where a higher rating represents higher risk. The 10 risk rating categories are a primary factor in determining an appropriate amount for the formula allowance. 

18

The formula allowance is calculated by applying risk factors to various segments of pools of outstanding loans and leases. Risk factors are assigned to each portfolio segment based on management's evaluation of the losses inherent within each segment. Segments or regions with greater risk of loss will therefore be assigned a higher risk factor. 

Base risk – The portfolio is segmented into loan categories, and these categories are assigned a Base risk factor based on an evaluation of the loss inherent within each segment. 

Extra risk – Additional risk factors provide for an additional allocation of ALLL based on the loan and lease risk rating system and loan delinquency, and reflect the increased level of inherent losses associated with more adversely classified loans and leases. 

Risk factors may be changed periodically based on management's evaluation of the following factors: loss experience; changes in the level of non-performing loans and leases; regulatory exam results; changes in the level of adversely classified loans and leases; improvement or deterioration in local economic conditions; and any other factors deemed relevant.

Specific Allowance 

Regular credit reviews of the portfolio identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALLL Committee which reviews and approves designated loans as impaired. A loan is considered impaired when, based on current information and events, we determine that we will probably not be able to collect all amounts due according to the loan contract, including scheduled interest payments. When we identify a loan as impaired, we measure the impairment using discounted cash flows or estimated note sale price, except when the sole remaining source of the repayment for the loan is the liquidation of the collateral. In these cases, we use the current fair value of the collateral, less selling costs, instead of discounted cash flows. If we determine that the value of the impaired loan is less than the recorded investment in the loan, we either recognize an impairment reserve as a specific allowance to be provided for in the allowance for loan and lease losses or charge-off the impaired balance on collateral-dependent loans if it is determined that such amount represents a confirmed loss.  Loans determined to be impaired are excluded from the formula allowance so as not to double-count the loss exposure. The non-accrual impaired loans as of period-end have already been partially charged-off to their estimated net realizable value, and are expected to be resolved over the coming quarters with no additional material loss, absent further decline in market prices. 

The combination of the formula allowance component and the specific allowance component represents the allocated allowance for loan and lease losses. 

Management believes that the ALLL was adequate as of March 31, 2015. There is, however, no assurance that future loan and lease losses will not exceed the levels provided for in the ALLL and could possibly result in additional charges to the provision for loan and lease losses.

The reserve for unfunded commitments ("RUC") is established to absorb inherent losses associated with our commitment to lend funds, such as with a letter or line of credit. The adequacy of the ALLL and RUC are monitored on a regular basis and are based on management's evaluation of numerous factors. These factors include the quality of the current loan portfolio; the trend in the loan portfolio's risk ratings; current economic conditions; loan concentrations; loan growth rates; past-due and non-performing trends; evaluation of specific loss estimates for all significant problem loans; historical charge-off and recovery experience; and other pertinent information.

There have been no significant changes to the Bank's ALLL methodology or policies in the periods presented. 

19

Activity in the Allowance for Loan and Lease Losses 

The following table summarizes activity related to the allowance for loan and lease losses by loan and lease portfolio segment for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended March 31, 2015
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	55,184		$	41,216		$	15,922		$	3,845		$	116,167
Charge-offs	(727		)	(4,564		)	(308		)	(6,946		)	(12,545		)
Recoveries	223			1,071			31			2,520			3,845
Provision	502			6,477			576			5,082			12,637
Balance, end of period	$	55,182		$	44,200		$	16,221		$	4,501		$	120,104
	Three Months Ended March 31, 2014
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	59,538		$	27,028		$	7,487		$	1,032		$	95,085
Charge-offs	(2,241		)	(3,519		)	(250		)	(224		)	(6,234		)
Recoveries	830			1,102			162			113			2,207
Provision (recapture)	(209		)	5,620			424			136			5,971
Balance, end of period	$	57,918		$	30,231		$	7,823		$	1,057		$	97,029

The following table presents the allowance and recorded investment in loans and leases by portfolio segment as of March 31, 2015 and 2014: 

(in thousands)	March 31, 2015
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	49,543	$	41,436	$	15,521	$	4,437	$	110,937
Individually evaluated for impairment	1,081		319		—		—		1,400
Loans acquired with deteriorated credit quality	4,558		2,445		700		64		7,767
Total	$	55,182	$	44,200	$	16,221	$	4,501	$	120,104
Loans and leases:
Collectively evaluated for impairment	$	8,475,620	$	2,919,336	$	3,124,655	$	413,882	$	14,933,493
Individually evaluated for impairment	66,481		27,859		—		—		94,340
Loans acquired with deteriorated credit quality	422,878		28,154		68,939		1,153		521,124
Total	$	8,964,979	$	2,975,349	$	3,193,594	$	415,035	$	15,548,957

20

(in thousands)	March 31, 2014
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	50,613	$	27,000	$	7,242	$	959	$	85,814
Individually evaluated for impairment	1,343		15		—		—		1,358
Loans acquired with deteriorated credit quality	5,962		3,216		581		98		9,857
Total	$	57,918	$	30,231	$	7,823	$	1,057	$	97,029
Loans and leases:
Collectively evaluated for impairment	$	4,223,962	$	2,124,134	$	924,561	$	50,637	$	7,323,294
Individually evaluated for impairment	91,190		14,541		—		—		105,731
Loans acquired with deteriorated credit quality	286,507		10,807		35,775		1,577		334,666
Total	$	4,601,659	$	2,149,482	$	960,336	$	52,214	$	7,763,691

The loan and lease balances are net of net deferred loans costs of $31.7 million and $4.7 million at March 31, 2015 and March 31, 2014, respectively.  

Summary of Reserve for Unfunded Commitments Activity 

The following table presents a summary of activity in the RUC and unfunded commitments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	3,539		$	1,436
Net change to other expense	(345		)	(19		)
Balance, end of period	$	3,194		$	1,417

(in thousands)
	Total
Unfunded loan and lease commitments:
March 31, 2015	$	3,993,400
March 31, 2014	$	1,595,665

21

Loans and leases sold 

In the course of managing the loan and lease portfolio, at certain times, management may decide to sell loans and leases.  The following table summarizes loans and leases sold by loan portfolio during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Commercial real estate
Non-owner occupied term	$	—	$	3,193
Owner occupied term	3,319		2,147
Multifamily	435		—
Residential development	—		605
Commercial
Term	2,340		15,996
Residential
Mortgage	66,753		331
Total	$	72,847	$	22,272

Asset Quality and Non-Performing Loans and Leases

We manage asset quality and control credit risk through diversification of the loan and lease portfolio and the application of policies designed to promote sound underwriting and loan and lease monitoring practices. The Bank's Credit Quality Administration is charged with monitoring asset quality, establishing credit policies and procedures and enforcing the consistent application of these policies and procedures across the Bank.  Reviews of non-performing, past due loans and leases and larger credits, designed to identify potential charges to the allowance for loan and lease losses, and to determine the adequacy of the allowance, are conducted on an ongoing basis. These reviews consider such factors as the financial strength of borrowers, the value of the applicable collateral, loan and lease loss experience, estimated loan and lease losses, growth in the loan and lease portfolio, prevailing economic conditions and other factors. 

22

Non-Accrual Loans and Leases and Loans and Leases Past Due

The following table summarizes our non-accrual loans and leases and loans and leases past due, by loan and lease class, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	487	$	585	$	2,425	$	3,497	$	6,974	$	3,293,158	$	3,303,629
Owner occupied term, net	2,599		2,786		—		5,385		9,219		2,562,880		2,577,484
Multifamily, net	420		—		—		420		—		2,763,983		2,764,403
Construction & development, net	—		—		—		—		—		238,303		238,303
Residential development, net	—		—		—		—		—		81,160		81,160
Commercial
Term, net	1,108		3		21		1,132		17,981		1,109,873		1,128,986
LOC & other, net	927		664		103		1,694		1,611		1,272,566		1,275,871
Leases and equipment finance, net	2,349		1,552		—		3,901		3,358		563,233		570,492
Residential
Mortgage, net	1,485		340		6,874		8,699		636		2,320,990		2,330,325
Home equity loans & lines, net	1,471		1,454		731		3,656		433		859,180		863,269
Consumer & other, net	1,629		629		262		2,520		34		412,481		415,035
Total, net of deferred fees and costs	$	12,475	$	8,013	$	10,416	$	30,904	$	40,246	$	15,477,807	$	15,548,957

(1) Other includes purchased credit impaired loans of $521.1 million.

23

(in thousands)	December 31, 2014
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	452	$	—	$	283	$	735	$	8,957	$	3,280,918	$	3,290,610
Owner occupied term, net	2,304		347		—		2,651		8,292		2,622,921		2,633,864
Multifamily, net	—		512		—		512		300		2,637,806		2,638,618
Construction & development, net	1,091		—		—		1,091		—		257,631		258,722
Residential development, net	6,155		—		—		6,155		—		75,691		81,846
Commercial
Term, net	1,098		242		3		1,343		19,097		1,082,547		1,102,987
LOC & other, net	1,637		1,155		1,223		4,015		8,825		1,309,882		1,322,722
Leases and equipment finance, net	1,482		1,695		695		3,872		5,084		514,158		523,114
Residential
Mortgage, net	8		1,224		4,289		5,521		655		2,227,559		2,233,735
Home equity loans & lines, net	1,924		702		749		3,375		615		848,488		852,478
Consumer & other, net	2,133		498		270		2,901		216		385,919		389,036
Total, net of deferred fees and costs	$	18,284	$	6,375	$	7,512	$	32,171	$	52,041	$	15,243,520	$	15,327,732

(1) Other includes purchased credit impaired loans of $562.9 million

Impaired Loans 

Loans with no related allowance reported generally represent non-accrual loans. The Bank recognizes the charge-off on impaired loans in the period it arises for collateral-dependent loans.  Therefore, the non-accrual loans as of March 31, 2015 have already been written down to their estimated net realizable value and are expected to be resolved with no additional material loss, absent further decline in market prices.  The valuation allowance on impaired loans primarily represents the impairment reserves on performing restructured loans, and is measured by comparing the present value of expected future cash flows on the restructured loans discounted at the interest rate of the original loan agreement to the loan's carrying value. 

24

 The following table summarizes our impaired loans by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	41,615	$	14,936	$	22,100	$	502
Owner occupied term, net	15,531		8,203		7,064		361
Multifamily, net	3,519		—		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,568		—		9,568		162
Commercial
Term, net	29,026		20,600		256		12
LOC & other, net	14,515		1,611		5,392		307
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	622		—		—		—
Consumer & other, net	150		—		—		—
Total, net of deferred fees and costs	$	117,201	$	45,350	$	48,990	$	1,400

(in thousands)	December 31, 2014
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	42,793	$	16,916	$	22,190	$	502
Owner occupied term, net	16,339		8,290		7,655		364
Multifamily, net	4,040		300		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,670		—		9,675		166
Commercial
Term, net	31,733		18,701		256		12
LOC & other, net	18,761		8,575		5,404		308
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	626		—		—		—
Consumer & other, net	152		—		—		—
Total, net of deferred fees and costs	$	126,769	$	52,782	$	49,790	$	1,408

25

The following table summarizes our average recorded investment and interest income recognized on impaired loans by loan class for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended				Three Months Ended
	March 31, 2015				March 31, 2014
	Average		Interest		Average		Interest
	Recorded		Income		Recorded		Income
	Investment		Recognized		Investment		Recognized
Commercial real estate
Non-owner occupied term, net	$	38,071	$	323	$	51,674	$	349
Owner occupied term, net	15,606		65		12,293		77
Multifamily, net	3,669		31		645		—
Construction & development, net	1,091		11		9,558		118
Residential development, net	9,622		103		16,065		159
Commercial
Term, net	19,907		3		10,643		4
LOC & other, net	10,491		47		2,378		13
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	—		—		—		—
Consumer & other, net	—		—		—		—
Total, net of deferred fees and costs	$	98,457	$	583	$	103,256	$	720

The impaired loans for which these interest income amounts were recognized primarily relate to accruing restructured loans. 

Credit Quality Indicators 

As previously noted, the Bank's risk rating methodology assigns risk ratings ranging from 1 to 10, where a higher rating represents higher risk.  The Bank differentiates its lending portfolios into homogeneous loans and leases and non-homogeneous loans and leases. The 10 risk rating categories can be generally described by the following groupings for non-homogeneous loans and leases: 

Minimal Risk—A minimal risk loan or lease, risk rated 1, is to a borrower of the highest quality. The borrower has an unquestioned ability to produce consistent profits and service all obligations and can absorb severe market disturbances with little or no difficulty. 

Low Risk—A low risk loan or lease, risk rated 2, is similar in characteristics to a minimal risk loan.  Margins may be smaller or protective elements may be subject to greater fluctuation. The borrower will have a strong demonstrated ability to produce profits, provide ample debt service coverage and to absorb market disturbances. 

Modest Risk—A modest risk loan or lease, risk rated 3, is a desirable loan or lease with excellent sources of repayment and no currently identifiable risk associated with collection. The borrower exhibits a very strong capacity to repay the credit in accordance with the repayment agreement. The borrower may be susceptible to economic cycles, but will have reserves to weather these cycles. 

Average Risk—An average risk loan or lease, risk rated 4, is an attractive loan or lease with sound sources of repayment and no material collection or repayment weakness evident. The borrower has an acceptable capacity to pay in accordance with the agreement. The borrower is susceptible to economic cycles and more efficient competition, but should have modest reserves sufficient to survive all but the most severe downturns or major setbacks. 

Acceptable Risk—An acceptable risk loan or lease, risk rated 5, is a loan or lease with lower than average, but still acceptable credit risk. These borrowers may have higher leverage, less certain but viable repayment sources, have limited financial reserves and may possess weaknesses that can be adequately mitigated through collateral, structural or credit enhancement. The

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borrower is susceptible to economic cycles and is less resilient to negative market forces or financial events. Reserves may be insufficient to survive a modest downturn. 

Watch—A watch loan or lease, risk rated 6, is still pass-rated, but represents the lowest level of acceptable risk due to an emerging risk element or declining performance trend. Watch ratings are expected to be temporary, with issues resolved or manifested to the extent that a higher or lower rating would be appropriate. The borrower should have a plausible plan, with reasonable certainty of success, to correct the problems in a short period of time.

Special Mention—A special mention loan or lease, risk rated 7, has potential weaknesses that deserve management's close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or the institution's credit position at some future date. They contain unfavorable characteristics and are generally undesirable. Loans and leases in this category are currently protected but are potentially weak and constitute an undue and unwarranted credit risk, but not to the point of a substandard classification. A special mention loan or lease has potential weaknesses, which if not checked or corrected, weaken the asset or inadequately protect the Bank's position at some future date.

Substandard—A substandard asset, risk rated 8, is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not corrected. Loss potential, while existing in the aggregate amount of substandard assets, does not have to exist in individual assets classified substandard. Loans and leases are classified as substandard when they have unsatisfactory characteristics causing unacceptable levels of risk. A substandard loan or lease normally has one or more well-defined weaknesses that could jeopardize repayment of the debt. The likely need to liquidate assets to correct the problem, rather than repayment from successful operations is the key distinction between special mention and substandard.

Doubtful—Loans or leases classified as doubtful, risk rated 9, have all the weaknesses inherent in one classified substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. The possibility of loss is extremely high, but because of certain important and reasonably specific pending factors, which may work towards strengthening of the asset, classification as a loss (and immediate charge-off) is deferred until more exact status may be determined. Pending factors include proposed merger, acquisition, liquidation procedures, capital injection, and perfection of liens on additional collateral and refinancing plans. In certain circumstances, a doubtful rating will be temporary, while the Bank is awaiting an updated collateral valuation. In these cases, once the collateral is valued and appropriate margin applied, the remaining un-collateralized portion will be charged-off. The remaining balance, properly margined, may then be upgraded to substandard, however must remain on non-accrual. 

Loss—Loans or leases classified as loss, risk rated 10, are considered un-collectible and of such little value that the continuance as an active Bank asset is not warranted. This rating does not mean that the loan or lease has no recovery or salvage value, but rather that the loan or lease should be charged-off now, even though partial or full recovery may be possible in the future. 

Impaired—Loans are classified as impairedwhen, based on current information and events, it is probable that the Bank will be unable to collect the scheduled payments of principal and interest when due, in accordance with the terms of the original loan agreement, without unreasonable delay. This generally includes all loans classified as non-accrual and troubled debt restructurings. Impaired loans are risk rated for internal and regulatory rating purposes, but presented separately for clarification. 

Homogeneous loans and leases are not risk rated until they are greater than 30 days past due, and risk rating is based on the past due status of the loan or lease.  The risk rating categories can be generally described by the following groupings for commercial and commercial real estate homogeneous loans and leases: 

Special Mention—A homogeneous special mention loan or lease, risk rated 7, is greater than 30 to 59 days past due from the required payment date at month-end. 

Substandard—A homogeneous substandard loan or lease, risk rated 8, is 60 to 89 days past due from the required payment date at month-end. 

Doubtful—A homogeneous doubtful loan or lease, risk rated 9, is 90 to 179 days past due from the required payment date at month-end. 

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Loss—A homogeneous loss loan or lease, risk rated 10, is 180 days and more past due from the required payment date. These loans are generally charged-off in the month in which the 180 day time period elapses. 

The risk rating categories can be generally described by the following groupings for residential and consumer and other homogeneous loans: 

Special Mention—A homogeneous retail special mention loan, risk rated 7, is greater than 30 to 89 days past due from the required payment date at month-end. 

Substandard—A homogeneous retail substandard loan, risk rated 8, is an open-end loan 90 to 180 days past due from the required payment date at month-end or a closed-end loan 90 to 120 days past due from the required payment date at month-end. 

Loss—A homogeneous retail loss loan, risk rated 10, is a closed-end loan that becomes past due 120 cumulative days or an open-end retail loan that becomes past due 180 cumulative days from the contractual due date.   These loans are generally charged-off in the month in which the 120 or 180 day period elapses. 

The following table summarizes our internal risk rating by loan and lease class for the loan and lease portfolio as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,055,623	$	98,661	$	111,740	$	235	$	334	$	37,036	$	3,303,629
Owner occupied term, net	2,418,407		52,551		88,585		1,415		1,259		15,267		2,577,484
Multifamily, net	2,737,917		6,574		16,393		—		—		3,519		2,764,403
Construction & development, net	230,038		3,823		3,351		—		—		1,091		238,303
Residential development, net	68,668		827		2,097		—		—		9,568		81,160
Commercial
Term, net	1,072,456		4,474		30,598		186		416		20,856		1,128,986
LOC & other, net	1,239,239		8,292		21,237		68		32		7,003		1,275,871
Leases and equipment finance, net	561,150		4,454		1,545		2,791		552		—		570,492
Residential
Mortgage, net	2,310,287		2,906		2,098		—		15,034		—		2,330,325
Home equity loans & lines, net	857,187		4,209		316		—		1,557		—		863,269
Consumer & other, net	412,454		2,292		57		—		232		—		415,035
Total, net of deferred fees and costs	$	14,963,426	$	189,063	$	278,017	$	4,695	$	19,416	$	94,340	$	15,548,957

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.7%, 16.5%, 77.3%, 0.1%, and 0.4% respectively, as of March 31, 2015.

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(in thousands)	December 31, 2014
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,027,777	$	99,556	$	123,350	$	821	$	—	$	39,106	$	3,290,610
Owner occupied term, net	2,475,944		58,425		81,567		309		1,674		15,945		2,633,864
Multifamily, net	2,610,039		9,583		15,177		—		—		3,819		2,638,618
Construction & development, net	248,547		4,081		5,003		—		—		1,091		258,722
Residential development, net	68,789		963		2,419		—		—		9,675		81,846
Commercial
Term, net	1,055,728		12,661		15,219		198		224		18,957		1,102,987
LOC & other, net	1,281,628		17,665		9,082		280		88		13,979		1,322,722
Leases and equipment finance, net	513,104		2,554		3,809		3,255		392		—		523,114
Residential
Mortgage, net	2,215,956		2,330		4,497		—		10,952		—		2,233,735
Home equity loans & lines, net	846,277		3,271		1,079		—		1,851		—		852,478
Consumer & other, net	385,754		2,717		198		—		367		—		389,036
Total, net of deferred fees and costs	$	14,729,543	$	213,806	$	261,400	$	4,863	$	15,548	$	102,572	$	15,327,732

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.6%, 15.1%, 77.9%, 0.1% and 1.3% respectively, as of December 31, 2014.

Troubled Debt Restructurings 

At March 31, 2015 and December 31, 2014, impaired loans of $60.9 million and $54.8 million, respectively, were classified as accruing restructured loans. The restructurings were granted in response to borrower financial difficulty, and generally provide for a temporary modification of loan repayment terms. The restructured loans on accrual status represent the only impaired loans accruing interest. In order for a restructured loan to be considered for accrual status, the loan's collateral coverage generally will be greater than or equal to 100% of the loan balance, the loan is current on payments, and the borrower must either prefund an interest reserve or demonstrate the ability to make payments from a verified source of cash flow. Impaired restructured loans carry a specific allowance and the allowance on impaired restructured loans is calculated consistently across the portfolios. 

There were $3.8 million available commitments for troubled debt restructurings outstanding as of March 31, 2015 and $1.0 million as of December 31, 2014. 

The following tables present troubled debt restructurings by accrual versus non-accrual status and by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,593	$	677	$	49,270
Commercial, net	8,718		3,333		12,051
Residential, net	3,585		—		3,585
Total, net of deferred fees and costs	$	60,896	$	4,010	$	64,906

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(in thousands)	December 31, 2014
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,817	$	2,319	$	51,136
Commercial, net	5,404		9,541		14,945
Residential, net	615		—		615
Total, net of deferred fees and costs	$	54,836	$	11,860	$	66,696

The Bank's policy is that loans placed on non-accrual will typically remain on non-accrual status until all principal and interest payments are brought current and the prospect for future payment in accordance with the loan agreement appears relatively certain.  The Bank's policy generally refers to six months of payment performance as sufficient to warrant a return to accrual status.

There were no new restructured loans during the three months ended March 31, 2014. The following table presents newly restructured loans that occurred during the three months ended March 31, 2015: 

(in thousands)	Three Months Ended March 31, 2015
	Rate		Term		Interest Only		Payment		Combination		Total
	Modifications		Modifications		Modifications		Modifications		Modifications		Modifications
Commercial, net	$	—	$	—	$	—	$	—	$	3,349	$	3,349
Residential, net	—		74		—		—		2,944		3,018
Total, net of deferred fees and costs	$	—	$	74	$	—	$	—	$	6,293	$	6,367

For the periods presented in the tables above, the outstanding recorded investment was the same pre and post modification. 

There were no financing receivables modified as troubled debt restructurings within the previous 12 months for which there was a payment default during the three months ended March 31, 2015 and 2014.

Note 6–Goodwill and Other Intangible Assets

The following tables summarize the changes in the Company's goodwill and other intangible assets for the year ended December 31, 2014, and the three months ended March 31, 2015. Goodwill and all other intangible assets are related to the Community Banking segment.

(in thousands)	Goodwill
			Accumulated
	Gross		Impairment			Total
Balance, December 31, 2013	$	877,239	$	(112,934	)	$	764,305
Net additions	1,021,920		—			1,021,920
Balance, December 31, 2014	1,899,159		(112,934		)	1,786,225
Net additions	2,415		—			2,415
Balance, March 31, 2015	$	1,901,574	$	(112,934	)	$	1,788,640

Goodwill represents the excess of the total acquisition price paid over the fair value of the assets acquired, net of the fair values of liabilities assumed. Additional information on the acquisitions and acquisition price allocations is provided in Note 2. The additions to goodwill in 2015 of $2.4 million relate to acquisition accounting adjustments.

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(in thousands)	Other Intangible Assets
			Accumulated
	Gross		Amortization			Net
Balance, December 31, 2013	$	58,909	$	(46,531	)	$	12,378
Net additions	54,562		—			54,562
Amortization	—		(10,207		)	(10,207		)
Balance, December 31, 2014	113,471		(56,738		)	56,733
Net additions	—		—			—
Amortization	—		(2,806		)	(2,806		)
Balance, March 31, 2015	$	113,471	$	(59,544	)	$	53,927

Intangible additions in 2014 relate to the Merger and represent the value of the core deposits, which includes all deposits except certificates of deposit. The value of the core deposit intangible assets were determined by an analysis of the cost differential between the core deposits inclusive of estimated servicing costs and alternative funding sources. The core deposit intangible recorded in connection with the Merger will be amortized on an accelerated basis over a period of 10 years.

The Company conducts its annual evaluation of goodwill for impairment as of its year end of December 31. Goodwill and other intangibles are required to be analyzed for impairment if certain triggering events occur. During the three months ended March 31, 2015, management determined that no triggering events occurred that required an impairment analysis. The table below presents the forecasted amortization expense for other intangible assets acquired in all mergers:

(in thousands)
	Expected
Year	Amortization
Remainder of 2015	$	8,419
2016	8,622
2017	6,756
2018	6,166
2019	5,618
Thereafter	18,346
	$	53,927

Note 7– Residential Mortgage Servicing Rights 

The following table presents the changes in the Company's residential mortgage servicing rights ("MSR") for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	117,259		$	47,765
Additions for new MSR capitalized	8,837			2,408
Changes in fair value:
Due to changes in model inputs or assumptions(1)	(4,143		)	(1,087		)
Other(2)	(5,588		)	134
Balance, end of period	$	116,365		$	49,220

(1) Principally reflects changes in discount rates and prepayment speed assumptions, which are primarily affected by changes in interest rates. 

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(2) Represents changes due to collection/realization of expected cash flows over time. 

Information related to our residential mortgage serviced loan portfolio as of March 31, 2015 and December 31, 2014 is as follows: 

(dollars in thousands)	March 31, 2015			December 31, 2014
Balance of residential mortgage loans serviced for others	$	11,874,910		$	11,590,310
MSR as a percentage of serviced loans	0.98		%	1.01		%

The amount of contractually specified servicing fees, late fees and ancillary fees earned, recorded in residential mortgage banking revenue, was $6.5 million for the three months ended March 31, 2015, as compared to $3.0 million for the three months ended March 31, 2014. 

Key assumptions used in measuring the fair value of MSR as of March 31, 2015 and December 31, 2014 are as follows: 

	March 31, 2015		December 31, 2014
Constant prepayment rate	13.44	%	12.39	%
Discount rate	9.17	%	9.17	%
Weighted average life (years)	6.0		6.4

A sensitivity analysis of the current fair value to changes in discount and prepayment speed assumptions as of March 31, 2015 and December 31, 2014 is as follows:

(in thousands)	March 31, 2015			December 31, 2014
Constant prepayment rate
Effect on fair value of a 10% adverse change	$	(5,095	)	$	(4,965	)
Effect on fair value of a 20% adverse change	$	(9,787	)	$	(9,547	)
Discount rate
Effect on fair value of a 100 basis point adverse change	$	(4,293	)	$	(4,539	)
Effect on fair value of a 200 basis point adverse change	$	(8,271	)	$	(8,771	)

The sensitivity analysis presents the hypothetical effect on fair value of the MSR. The effect of such hypothetical change in assumptions generally cannot be extrapolated because the relationship of the change in an assumption to the change in fair value is not linear. Additionally, in the analysis, the impact of an adverse change in one assumption is calculated independent of any impact on other assumptions. In reality, changes in one assumption may change another assumption.

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Note 8– Junior Subordinated Debentures 

Following is information about the Company's wholly-owned trusts ("Trusts") as of March 31, 2015:  

(dollars in thousands)		Issued		Carrying			Effective
Trust Name	Issue Date	Amount		Value (1)		Rate (2)	Rate (3)	Maturity Date
AT FAIR VALUE:
Umpqua Statutory Trust II	October 2002	$	20,619	$	15,182	Floating rate, LIBOR plus 3.35%, adjusted quarterly	4.92%	October 2032
Umpqua Statutory Trust III	October 2002	30,928		22,961		Floating rate, LIBOR plus 3.45%, adjusted quarterly	5.01%	November 2032
Umpqua Statutory Trust IV	December 2003	10,310		7,188		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.48%	January 2034
Umpqua Statutory Trust V	December 2003	10,310		7,166		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.49%	March 2034
Umpqua Master Trust I	August 2007	41,238		23,670		Floating rate, LIBOR plus 1.35%, adjusted quarterly	2.81%	September 2037
Umpqua Master Trust IB	September 2007	20,619		13,834		Floating rate, LIBOR plus 2.75%, adjusted quarterly	4.50%	December 2037
Sterling Capital Trust III	April 2003	14,433		11,165		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.55%	April 2033
Sterling Capital Trust IV	May 2003	10,310		7,889		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.46%	May 2033
Sterling Capital Statutory Trust V	May 2003	20,619		15,841		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.57%	June 2033
Sterling Capital Trust VI	June 2003	10,310		7,867		Floating rate, LIBOR plus 3.20%, adjusted quarterly	4.54%	September 2033
Sterling Capital Trust VII	June 2006	56,702		33,710		Floating rate, LIBOR plus 1.53%, adjusted quarterly	3.00%	June 2036
Sterling Capital Trust VIII	September 2006	51,547		30,983		Floating rate, LIBOR plus 1.63%, adjusted quarterly	3.15%	December 2036
Sterling Capital Trust IX	July 2007	46,392		26,768		Floating rate, LIBOR plus 1.40%, adjusted quarterly	2.88%	October 2037
Lynnwood Financial Statutory Trust I	March 2003	9,279		7,050		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.50%	March 2033
Lynnwood Financial Statutory Trust II	June 2005	10,310		6,453		Floating rate, LIBOR plus 1.80%, adjusted quarterly	3.30%	June 2035
Klamath First Capital Trust I	July 2001	15,464		12,925		Floating rate, LIBOR plus 3.75%, adjusted semiannually	4.91%	July 2031
		$	379,390	$	250,652
AT AMORTIZED COST:
HB Capital Trust I	March 2000	$	5,310	$	6,147	10.875%	8.44%	March 2030
Humboldt Bancorp Statutory Trust I	February 2001	5,155		5,770		10.200%	8.41%	February 2031
Humboldt Bancorp Statutory Trust II	December 2001	10,310		11,204		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.04%	December 2031
Humboldt Bancorp Statutory Trust III	September 2003	27,836		30,182		Floating rate, LIBOR plus 2.95%, adjusted quarterly	2.50%	September 2033
CIB Capital Trust	November 2002	10,310		11,077		Floating rate, LIBOR plus 3.45%, adjusted quarterly	3.03%	November 2032
Western Sierra Statutory Trust I	July 2001	6,186		6,186		Floating rate, LIBOR plus 3.58%, adjusted quarterly	3.82%	July 2031
Western Sierra Statutory Trust II	December 2001	10,310		10,310		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.83%	December 2031
Western Sierra Statutory Trust III	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
Western Sierra Statutory Trust IV	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
		96,037		101,496
	Total	$	475,427	$	352,148

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(1) Includes purchase accounting adjustments, net of accumulated amortization, for junior subordinated debentures assumed in connection with previous mergers as well as fair value adjustments related to trusts recorded at fair value. 

(2) Contractual interest rate of junior subordinated debentures. 

(3) Effective interest rate based upon the carrying value as of March 31, 2015. 

The Trusts are reflected as junior subordinated debentures in the Condensed Consolidated Balance Sheets.  The common stock issued by the Trusts is recorded in other assets in the Condensed Consolidated Balance Sheets, and totaled $14.3 million at March 31, 2015 and December 31, 2014. As of March 31, 2015, all of the junior subordinated debentures were redeemable at par, at their applicable quarterly or semiannual interest payment dates.

The Company selected the fair value measurement option for junior subordinated debentures originally issued by the Company (the Umpqua Statutory Trusts) and for junior subordinated debentures acquired from Sterling. Refer to Note 15 for discussion of the rational for election of fair value and the approach used to fair value the selected junior subordinated debentures.

Absent changes to the significant inputs utilized in the discounted cash flow model used to measure the fair value of these instruments, the discounts will reverse over time in a manner similar to the effective interest rate method as if these instruments were accounted for under the amortized cost method. Losses recorded resulting from the change in the fair value of these instruments were $1.6 million and $542,000 for the three months ended March 31, 2015 and 2014, respectively.

Note 9 – Commitments and Contingencies 

Lease Commitments — As of March 31, 2015, the Bank leased 281 sites under non-cancelable operating leases. The leases contain various provisions for increases in rental rates, based either on changes in the published Consumer Price Index or a predetermined escalation schedule. Substantially all of the leases provide the Company with the option to extend the lease term one or more times following expiration of the initial term. 

Rent expense for the three months ended March 31, 2015 was $9.3 million and for the three months ended March 31, 2014 was $5.0 million. Rent expense was partially offset by rent income for the three months ended March 31, 2015 of $118,000 and for the three months ended March 31, 2014 of $177,000.

Financial Instruments with Off-Balance-Sheet Risk — The Company's financial statements do not reflect various commitments and contingent liabilities that arise in the normal course of the Bank's business and involve elements of credit, liquidity, and interest rate risk. 

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

(in thousands)	As of March 31, 2015
Commitments to extend credit	$	2,996,411
Commitments to extend overdrafts	$	940,366
Forward sales commitments	$	692,900
Commitments to originate residential mortgage loans held for sale	$	458,378
Standby letters of credit	$	56,622

The Bank is a party to financial instruments with off-balance-sheet credit risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit and financial guarantees. Those instruments involve elements of credit and interest-rate risk similar to the risk involved in on-balance sheet items recognized in the Condensed Consolidated Balance Sheets. The contract or notional amounts of those instruments reflect the extent of the Bank's involvement in particular classes of financial instruments. 

The Bank's exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit, and financial guarantees written, is represented by the contractual notional amount of those instruments. The Bank uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments. 

34

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any covenant or condition established in the applicable contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. While most standby letters of credit are not utilized, a significant portion of such utilization is on an immediate payment basis. The Bank evaluates each customer's creditworthiness on a case-by-case basis. The amount of collateral obtained, if it is deemed necessary by the Bank upon extension of credit, is based on management's credit evaluation of the counterparty. Collateral varies but may include cash, accounts receivable, inventory, premises and equipment and income-producing commercial properties. 

Standby letters of credit and financial guarantees written are conditional commitments issued by the Bank to guarantee the performance of a customer to a third party. These guarantees are primarily issued to support public and private borrowing arrangements, including international trade finance, commercial paper, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. The Bank holds cash, marketable securities, or real estate as collateral supporting those commitments for which collateral is deemed necessary. The Bank was not required to perform on any financial guarantees during the three months ended March 31, 2015 and March 31, 2014. At March 31, 2015, approximately $47.8 million of standby letters of credit expire within one year, and $8.8 million expire thereafter. Upon issuance, the Bank recognizes a liability equivalent to the amount of fees received from the customer for these standby letter of credit commitments. Fees are recognized ratably over the term of the standby letter of credit. The estimated fair value of guarantees associated with standby letters of credit was $1.1 million as of March 31, 2015. 

Residential mortgage loans sold into the secondary market are sold with limited recourse against the Company, meaning that the Company may be obligated to repurchase or otherwise reimburse the investor for incurred losses on any loans that suffer an early payment default, are not underwritten in accordance with investor guidelines or are determined to have pre-closing borrower misrepresentations. As of March 31, 2015, the Company had a residential mortgage loan repurchase reserve liability of $3.3 million.

Legal Proceedings—The Bank owns 483,806 shares of Class B common stock of Visa Inc. which are convertible into Class A common stock at a conversion ratio of 1.6483 per Class A share. As of March 31, 2015, the closing value of the Class A shares was $65.48 per share. Utilizing the conversion ratio, the value of unredeemed Class A equivalent shares owned by the Bank was $52.2 million as of March 31, 2015, and has not been reflected in the accompanying financial statements. The shares of Visa Inc. Class B common stock are restricted and may not be transferred. Visa member banks are required to fund an escrow account to cover settlements, resolution of pending litigation and related claims. If the funds in the escrow account are insufficient to settle all the covered litigation, Visa Inc. may sell additional Class A shares and use the proceeds to settle litigation, thereby reducing the conversion ratio.  If funds remain in the escrow account after all litigation is settled, the Class B conversion ratio will be increased to reflect that surplus. 

On July 13, 2012, Visa Inc. announced that it had entered into a memorandum of understanding obligating it to enter into a settlement agreement to resolve the multi-district interchange litigation brought by the class plaintiffs in the matter styled In re Payment Card Interchange Fee and Merchant Discount Antitrust Litigation, Case No. 5-MD-1720 (JG) (JO) pending in the U.S. District Court for the Eastern District of New York. The claims originally were brought by a class of U.S. retailers in 2005. The settlement was approved by the court on December 13, 2013, but that decision is currently being appealed. Visa's share of the previously agreed settlement amount was approximately $4.4 billion. However, because of the pending appeal, the ultimate effect of this settlement on the value of the Bank's Class B common stock is unknown at this time. 

In the ordinary course of business, various claims and lawsuits are brought by and against the Company and its subsidiaries, including the Bank and Umpqua Investments. In the opinion of management, there is no pending or threatened proceeding in which an adverse decision could result in a material adverse change in the Company's consolidated financial condition or results of operations. 

Concentrations of Credit Risk— The Bank grants real estate mortgage, real estate construction, commercial, agricultural and installment loans and leases to customers throughout Oregon, Washington, California, Idaho, and Nevada. In management's judgment, a concentration exists in real estate-related loans, which represented approximately 80% of the Bank's loan and lease portfolio at March 31, 2015 and December 31, 2014.  Commercial real estate concentrations are managed to assure wide geographic and business diversity. Although management believes such concentrations have no more than the normal risk of collectability, a substantial decline in the economy in general, material increases in interest rates, changes in tax policies, tightening credit or refinancing markets, or a decline in real estate values in the Bank's primary market areas in particular, could have an adverse impact on the repayment of these loans.  Personal and business incomes, proceeds from the sale of real property, or proceeds from refinancing, represent the primary sources of repayment for a majority of these loans. 

35

The Bank recognizes the credit risks inherent in dealing with other depository institutions. Accordingly, to prevent excessive exposure to any single correspondent, the Bank has established general standards for selecting correspondent banks as well as internal limits for allowable exposure to any single correspondent. In addition, the Bank has an investment policy that sets forth limitations that apply to all investments with respect to credit rating and concentrations with an issuer.

Note 10– Derivatives 

The Bank may use derivatives to hedge the risk of changes in the fair values of interest rate lock commitments, residential mortgage loans held for sale, and residential mortgage servicing rights. None of the Company's derivatives are designated as hedging instruments.  Rather, they are accounted for as free-standing derivatives, or economic hedges, with changes in the fair value of the derivatives reported in income. The Company primarily utilizes forward interest rate contracts in its derivative risk management strategy. 

The Bank enters into forward delivery contracts to sell residential mortgage loans or mortgage-backed securities to broker/dealers at specific prices and dates in order to hedge the interest rate risk in its portfolio of mortgage loans held for sale and its residential mortgage loan commitments.  Credit risk associated with forward contracts is limited to the replacement cost of those forward contracts in a gain position.  There were no counterparty default losses on forward contracts in the three months ended March 31, 2015 and 2014.  Market risk with respect to forward contracts arises principally from changes in the value of contractual positions due to changes in interest rates. The Bank limits its exposure to market risk by monitoring differences between commitments to customers and forward contracts with broker/dealers. In the event the Company has forward delivery contract commitments in excess of available mortgage loans, the Company completes the transaction by either paying or receiving a fee to or from the broker/dealer equal to the increase or decrease in the market value of the forward contract. At March 31, 2015, the Bank had commitments to originate mortgage loans held for sale totaling $458.4 million and forward sales commitments of $692.9 million, which are used to hedge both on-balance sheet and off-balance sheet exposures. 

The Bank's mortgage banking derivative instruments do not have specific credit risk-related contingent features.  The forward sales commitments do have contingent features that may require transferring collateral to the broker/dealers upon their request. However, this amount would be limited to the net unsecured loss exposure at such point in time and would not materially affect the Company's liquidity or results of operations. 

The Bank executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies.  Those interest rate swaps are simultaneously hedged by offsetting the interest rate swaps that the Bank executes with a third party, such that the Bank minimizes its net risk exposure. As of March 31, 2015, the Bank had 325 interest rate swaps with an aggregate notional amount of $1.5 billion related to this program. 

In connection with the interest rate swap program with commercial customers, the Bank has agreements with its derivative counterparties that contain a provision where if the Bank defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Bank could also be declared in default on its derivative obligations. The Bank also has agreements with its derivative counterparties that contain a provision where if the Bank fails to maintain its status as a well/adequately capitalized institution, then the counterparty could terminate the derivative positions and the Bank would be required to settle its obligations under the agreements. Similarly, the Bank could be required to settle its obligations under certain of its agreements if specific regulatory events occur, such as if the Bank were issued a prompt corrective action directive or a cease and desist order, or if certain regulatory ratios fall below specified levels. If the Bank had breached any of these provisions at March 31, 2015, it could have been required to settle its obligations under the agreements at the termination value.

As of March 31, 2015, the termination value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $41.0 million.  The Bank has collateral posting requirements for initial or variation margins with its clearing members and clearing houses and has been required to post collateral against its obligations under these agreements of $59.5 million and $43.5 million as of March 31, 2015 and December 31, 2014, respectively. 

The Bank incorporates credit valuation adjustments ("CVA") to appropriately reflect nonperformance risk in the fair value measurement of its derivatives. As of March 31, 2015, the net CVA decreased the settlement values of the Bank's net derivative assets by $2.7 million. Various factors impact changes in the CVA over time, including changes in the credit spreads of the parties to the contracts, as well as changes in market rates and volatilities, which affect the total expected exposure of the derivative instruments. 

36

The following tables summarize the types of derivatives, separately by assets and liabilities, and the fair values of such derivatives as of March 31, 2015 and December 31, 2014: 

(in thousands)	Asset Derivatives				Liability Derivatives
Derivatives not designated	March 31,		December 31,		March 31,		December 31,
as hedging instrument	2015		2014		2015		2014
Interest rate lock commitments	$	7,025	$	2,867	$	—	$	—
Interest rate forward sales commitments	264		16		4,243		2,627
Interest rate swaps	37,487		26,327		40,101		28,158
Total	$	44,776	$	29,210	$	44,344	$	30,785

The fair values of the derivatives are recorded in other assets and other liabilities. The following table summarizes the types of derivatives and the gains (losses) recorded during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three months ended
Derivatives not designated	March 31,
as hedging instrument	2015			2014
Interest rate lock commitments	$	4,157		$	688
Interest rate forward sales commitments	(5,104		)	(2,648		)
Interest rate swaps	(781		)	(1,214		)
Total	$	(1,728	)	$	(3,174	)

The gains and losses on the Company's mortgage banking derivatives are included in mortgage banking revenue. The gains and losses on the Company's interest rate swaps are included in other income.

The following table summarizes the derivatives that have a right of offset as of March 31, 2015 and December 31, 2014:

(in thousands)							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets/Liabilities presented in the Statement of Financial Position		Financial Instruments			Collateral Posted			Net Amount
March 31, 2015
Derivative Assets
Interest rate swaps	$	37,487	$	—	$	37,487	$	—		$	—		$	37,487
Derivative Liabilities
Interest rate swaps	$	40,101	$	—	$	40,101	$	—		$	(40,101	)	$	—
December 31, 2014
Derivative Assets
Interest rate swaps	$	26,327	$	—	$	26,327	$	(131	)	$	—		$	26,196
Derivative Liabilities
Interest rate swaps	$	28,158	$	—	$	28,158	$	(131	)	$	(28,027	)	$	—

37

Note 11– Shareholders' Equity and Stock Compensation

On April 18, 2014, the Company completed the Merger with Sterling. The details of the conversion of Sterling common stock, stock options, and restricted stock units are included in Note 2. The conversion resulted in the issuance of 104,385,087 shares of common stock, 994,214 restricted stock units, and 439,921 stock options granted. Additionally, the 2,960,238 outstanding Sterling warrants were converted into warrants exercisable to receive 1.671 shares of Umpqua stock per warrant, with an exercise price of $12.88 as of the merger date. In November 2014, the warrants were net exercised in full for 2,889,896 shares and $6.6 million, and are no longer outstanding.

At a special meeting on February 25, 2014, the Company's shareholders approved an amendment to the Company's articles of incorporation, effective on April 18, 2014, increasing the number of authorized shares of common stock to 400,000,000.

Stock-Based Compensation 

The compensation cost related to stock options, restricted stock and restricted stock units (included in salaries and employee benefits) was $3.2 million for the three months ended March 31, 2015, as compared to $1.5 million for the three months ended March 31, 2014. The total income tax benefit recognized related to stock-based compensation was $1.2 million for the three months ended March 31, 2015 as compared to $614,000 for the three months ended March 31, 2014. 

The following table summarizes information about stock option activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
					Weighted-Avg
	Options		Weighted-Avg		Remaining Contractual	Aggregate
	Outstanding		Exercise Price		Term (Years)	Intrinsic Value
Balance, beginning of period	807		$	16.80
Granted/Assumed	—		$	—
Exercised	(18	)	$	7.88
Forfeited/expired	(188	)	$	23.99
Balance, end of period	601		$	14.81	4.75	$	2,392
Options exercisable, end of period	509		$	15.28	4.19	$	1,930

The total intrinsic value (which is the amount by which the stock price exceeded the exercise price on the date of exercise) of options exercised during the three months ended March 31, 2015 was $1.9 million, as compared to the three months ended March 31, 2014 of $1.4 million.

During the three months ended March 31, 2015, the amount of cash received from the exercise of stock options was $89,000, as compared to the three months ended March 31, 2014 of $897,000. Total consideration was $144,000 for the three months ended March 31, 2015, as compared to the three months ended March 31, 2014 of $2.6 million.

The fair value of each option grant is estimated as of the grant date using the Black-Scholes option-pricing model.  There were no stock options granted in the three months endedMarch 31, 2015 and March 31, 2014. 

38

The Company grants restricted stock periodically for the benefit of employees and directors. Restricted shares issued prior to 2011 generally vest on an annual basis over five years. Restricted shares issued since 2011 generally vest over a three year period, subject to time or time plus performance vesting conditions.  The following table summarizes information about nonvested restricted share activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Shares		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	1,386		$	15.39
Granted/Assumed	552		$	16.04
Released	(321	)	$	13.26
Forfeited/expired	(13	)	$	11.63
Balance, end of period	1,604		$	16.29

The total fair value of restricted shares vested and released during the three months ended March 31, 2015 was $5.1 million as compared to the three months ended March 31, 2014 of $5.5 million. 

The Company granted restricted stock units as a part of the 2007 Long Term Incentive Plan for the benefit of certain executive officers.  In addition, the Company granted restricted stock units in connection with the acquisition of Sterling as replacement awards. Restricted stock unit grants may be subject to performance-based vesting as well as other approved vesting conditions.  The total number of restricted stock units granted represents the maximum number of restricted stock units eligible to vest based upon the performance and service conditions set forth in the grant agreements.

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Stock Units		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	675		$	18.03
Granted/Assumed	—		$	—
Released	(85	)	$	16.83
Forfeited/expired	(13	)	$	17.20
Balance, end of period	577		$	18.58

The total fair value of restricted stock units vested and released during the three months ended March 31, 2015 was $1.4 million as compared to the three months ended March 31, 2014 of $1.3 million. 

As of March 31, 2015, there was $240,000 of total unrecognized compensation cost related to nonvested stock options which is expected to be recognized over a weighted-average period of 2.02 years.  As of March 31, 2015, there was $15.4 million of total unrecognized compensation cost related to nonvested restricted stock awards which is expected to be recognized over a weighted-average period of 1.76 years. As of March 31, 2015, there was $7.2 million of total unrecognized compensation cost related to nonvested restricted stock units which is expected to be recognized over a weighted-average period of 2.29 years, assuming expected performance conditions are met. 

For the three months ended March 31, 2015, the Company received income tax benefits of $2.7 million, as compared to the three months ended March 31, 2014 of $3.3 million, related to the exercise of non-qualified employee stock options, disqualifying dispositions on the exercise of incentive stock options, the vesting of restricted shares and the vesting of restricted stock units. In the three months endedMarch 31, 2015, the Company had net excess tax benefit (tax benefit resulting from tax deductions greater than the compensation cost recognized) of $528,000, as compared to $1.1 million of net excess tax benefit for the three months endedMarch 31, 2014.  

39

Note 12– Income Taxes 

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, as well as in the majority of states and in Canada. The Company acquired a $276.8 million net deferred tax asset before purchase accounting adjustments in the Merger, including $238.4 million of federal and state net operating loss ("NOL") and tax credit carry-forwards. The Merger triggered an "ownership change" as defined in Section 382 of the Internal Revenue Service Code ("Section 382"). As a result of being subject to Section 382, the Company will be limited in the amount of federal NOL carry-forwards that can be used annually to offset future taxable income. The Company believes it is more likely than not that it will be able to fully realize the benefit of its federal NOL carry-forwards. The Company also believes that it is more likely than not that the benefit from certain state and foreign NOL and tax credit carry-forwards will not be realized and therefore has provided a valuation allowance of $2.6 million against the deferred tax assets relating to these NOL and tax credit carry-forwards. 

The Company had gross unrecognized tax benefits of $2.8 million as of March 31, 2015.  If recognized, the unrecognized tax benefit would reduce the 2015 annual effective tax rate by 0.6%.  During the three months ended March 31, 2015, the Company reversed $13,000 of interest relating to its liability for unrecognized tax benefits.  Interest on unrecognized tax benefits is reported by the Company as a component of tax expense.  As of March 31, 2015, the accrued interest related to unrecognized tax benefits was $385,000.

Note 13– Earnings Per Common Share

Nonvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents are participating securities and are included in the computation of earnings per share pursuant to the two-class method.  The two-class method is an earnings allocation formula that determines earnings per share for each class of common stock and participating security according to dividends declared (or accumulated) and participation rights in undistributed earnings. Certain of the Company's nonvested restricted stock awards qualify as participating securities. 

Net earnings is allocated between the common stock and participating securities pursuant to the two-class method.  Basic earnings per common share is computed by dividing net earnings available to common shareholders by the weighted average number of common shares outstanding during the period, excluding participating nonvested restricted shares. 

Diluted earnings per common share is computed in a similar manner, except that first the denominator is increased to include the number of additional common shares that would have been outstanding if potentially dilutive common shares, excluding the participating securities, were issued using the treasury stock method. For all periods presented, stock options, certain restricted stock awards and restricted stock units are the only potentially dilutive non-participating instruments issued by the Company.  Next, we determine and include in diluted earnings per common share calculation the more dilutive effect of the participating securities using the treasury stock method or the two-class method. Undistributed losses are not allocated to the nonvested share-based payment awards (the participating securities) under the two-class method as the holders are not contractually obligated to share in the losses of the Company. 

40

The following is a computation of basic and diluted earnings per common share for the three months ended March 31, 2015 and 2014: 

(in thousands, except per share data)	Three Months Ended
	March 31,
	2015		2014
NUMERATORS:
Net income	$	47,129	$	18,651
Less:
Dividends and undistributed earnings allocated to participating securities (1)	84		113
Net earnings available to common shareholders	$	47,045	$	18,538
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,349		112,170
Effect of potentially dilutive common shares (2)	702		197
Weighted average number of common shares outstanding - diluted	221,051		112,367
EARNINGS PER COMMON SHARE:
Basic	$	0.21	$	0.17
Diluted	$	0.21	$	0.16

(1) Represents dividends paid and undistributed earnings allocated to nonvested restricted stock awards. 

(2) Represents the effect of the assumed exercise of stock options, vesting of non-participating restricted shares, and vesting of restricted stock units, based on the treasury stock method. 

The following table presents the weighted average outstanding securities that were not included in the computation of diluted earnings per common share because their effect would be anti-dilutive for the three months ended March 31, 2015 and 2014. 

(in thousands)	Three Months Ended
	March 31,
	2015	2014
Stock options	—	336

Note 14– Segment Information 

The Company operates two primary segments: Community Banking and Home Lending. The Community Banking segment's principal business focus is the offering of loan and deposit products to business and retail customers in its primary market areas. As of March 31, 2015, the Community Banking segment operated 385 locations throughout Oregon, Washington, California, Idaho, and Nevada.

The Home Lending segment, which operates as a division of the Bank, originates, sells and services residential mortgage loans.  

In the second quarter of 2014, the Company combined its Wealth Management segment into the Community Banking segment as Wealth Management no longer met the definition of an operating segment. The segment results for comparable periods have been modified to reflect the current period presentation.

41

Summarized financial information concerning the Company's reportable segments and the reconciliation to the consolidated financial results is shown in the following tables: 

(in thousands)	Three Months Ended March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	207,628	$	22,232	$	229,860
Interest expense	12,019		1,933		13,952
Net interest income	195,609		20,299		215,908
Provision for loan and lease losses	12,637		—		12,637
Non-interest income	28,955		34,640		63,595
Non-interest expense	167,092		26,006		193,098
Income before income taxes	44,835		28,933		73,768
Provision for income taxes	16,194		10,445		26,639
Net income	28,641		18,488		47,129
Dividends and undistributed earnings allocated to participating securities	84		—		84
Net earnings available to common shareholders	$	28,557	$	18,488	$	47,045

(in thousands)	Three Months Ended March 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	110,156	$	5,724	$	115,880
Interest expense	7,488		554		8,042
Net interest income	102,668		5,170		107,838
Provision for loan and lease losses	5,971		—		5,971
Non-interest income	12,718		10,520		23,238
Non-interest expense	89,334		7,184		96,518
Income before income taxes	20,081		8,506		28,587
Provision for income taxes	6,534		3,402		9,936
Net income	13,547		5,104		18,651
Dividends and undistributed earnings allocated to participating securities	113		—		113
Net earnings available to common shareholders	$	13,434	$	5,104	$	18,538

(in thousands)	March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,262,775	$	2,690,383	$	22,953,158
Total loans and leases	$	13,339,829	$	2,209,128	$	15,548,957
Total deposits	$	17,160,722	$	61,844	$	17,222,566

(in thousands)	December 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,095,189	$	2,514,714	$	22,609,903
Total loans and leases	$	13,181,463	$	2,146,269	$	15,327,732
Total deposits	$	16,850,682	$	41,417	$	16,892,099

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Note 15– Fair Value Measurement 

The following table presents estimated fair values of the Company's financial instruments as of March 31, 2015 and December 31, 2014, whether or not recognized or recorded at fair value in the Condensed Consolidated Balance Sheets: 

(in thousands)		March 31, 2015				December 31, 2014
		Carrying		Fair		Carrying		Fair
	Level	Value		Value		Value		Value
FINANCIAL ASSETS:
Cash and cash equivalents	1	$	1,380,874	$	1,380,874	$	1,605,171	$	1,605,171
Trading securities	1,2	10,452		10,452		9,999		9,999
Investment securities available for sale	2	2,535,121		2,535,121		2,298,555		2,298,555
Investment securities held to maturity	3	4,953		5,429		5,211		5,554
Loans held for sale, at fair value	2	406,487		406,487		286,802		286,802
Loans and leases, net	3	15,428,853		15,499,091		15,211,565		15,252,083
Restricted equity securities	1	117,218		117,218		119,334		119,334
Residential mortgage servicing rights	3	116,365		116,365		117,259		117,259
Bank owned life insurance assets	1	294,697		294,697		294,296		294,296
FDIC indemnification asset	3	1,861		524		4,417		2,058
Derivatives	2,3	44,776		44,776		29,210		29,210
Visa Class B common stock	3	—		49,607		—		49,663
FINANCIAL LIABILITIES:
Deposits	1,2	$	17,222,566	$	17,228,286	$	16,892,099	$	16,893,890
Securities sold under agreements to repurchase	2	321,202		321,202		313,321		313,321
Term debt	2	965,675		978,769		1,006,395		1,018,948
Junior subordinated debentures, at fair value	3	250,652		250,652		249,294		249,294
Junior subordinated debentures, at amortized cost	3	101,496		74,240		101,576		73,840
Derivatives	2	44,344		44,344		30,785		30,785

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Fair Value of Assets and Liabilities Measured on a Recurring Basis 

The following tables present information about the Company's assets and liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	92	$	—	$	92	$	—
Equity securities	5,868		5,868		—		—
Other investments securities(1)	4,492		—		4,492		—
Investment securities available for sale
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	337,602		—		337,602		—
Residential mortgage-backed securities and collateralized mortgage obligations	2,195,201		—		2,195,201		—
Investments in mutual funds and other equity securities	2,089		—		2,089		—
Loans held for sale, at fair value	406,487				406,487
Residential mortgage servicing rights, at fair value	116,365		—		—		116,365
Derivatives
Interest rate lock commitments	7,025		—		—		7,025
Interest rate forward sales commitments	264		—		264		—
Interest rate swaps	37,487		—		37,487		—
Total assets measured at fair value	$	3,113,201	$	5,868	$	2,983,943	$	123,390
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	250,652	$	—	$	—	$	250,652
Derivatives
Interest rate forward sales commitments	4,243		—		4,243		—
Interest rate swaps	40,101		—		40,101		—
Total liabilities measured at fair value	$	294,996	$	—	$	44,344	$	250,652

44

(in thousands)	December 31, 2014
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	124	$	—	$	124	$	—
Equity securities	5,283		5,283		—		—
Other investments securities(1)	4,592		—		4,592		—
Available for sale securities
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	338,404		—		338,404		—
Residential mortgage-backed securities and collateralized mortgage obligations	1,957,852		—		1,957,852		—
Investments in mutual funds and other equity securities	2,070		—		2,070		—
Loans held for sale, at fair value	286,802				286,802
Residential mortgage servicing rights, at fair value	117,259		—		—		117,259
Derivatives
Interest rate lock commitments	2,867		—		—		2,867
Interest rate forward sales commitments	16		—		16		—
Interest rate swaps	26,327		—		26,327		—
Total assets measured at fair value	$	2,741,825	$	5,283	$	2,616,416	$	120,126
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	249,294	$	—	$	—	$	249,294
Derivatives
Interest rate forward sales commitments	2,627		—		2,627		—
Interest rate swaps	28,158		—		28,158		—
Total liabilities measured at fair value	$	280,079	$	—	$	30,785	$	249,294

(1) Principally represents U.S. Treasury and agencies or residential mortgage-backed securities issued or guaranteed by governmental agencies. 

The following methods were used to estimate the fair value of each class of financial instrument above: 

Cash and Cash Equivalents— For short-term instruments, including cash and due from banks, and interest bearing deposits with banks, the carrying amount is a reasonable estimate of fair value. 

Securities— Fair values for investment securities are based on quoted market prices when available or through the use of alternative approaches, such as matrix or model pricing, or broker indicative bids, when market quotes are not readily accessible or available. Management periodically reviews the pricing information received from the third-party pricing service and compares it to a secondary pricing service, evaluating significant price variances between services to determine an appropriate estimate of fair value to report.

Loans Held for Sale— Fair value for residential mortgage loans held for sale is determined based on quoted secondary market prices for similar loans, including the implicit fair value of embedded servicing rights.

Loans and Leases— Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, including commercial, real estate and consumer loans. Each loan category is further segregated by fixed and adjustable rate loans. The fair value of loans is calculated by discounting expected cash flows at rates which similar loans are currently being made. These amounts are discounted further by embedded probable losses expected to be realized in the portfolio.

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

45

Residential Mortgage Servicing Rights— The fair value of mortgage servicing rights is estimated using a discounted cash flow model.  Assumptions used include market discount rates, anticipated prepayment speeds, delinquency and foreclosure rates, and ancillary fee income net of servicing costs. This model is periodically validated by an independent external model validation group. The model assumptions and the MSR fair value estimates are also compared to observable trades of similar portfolios as well as to MSR broker valuations and industry surveys, as available. Management believes the significant inputs utilized are indicative of those that would be used by market participants. 

Bank Owned Life Insurance Assets— Fair values of insurance policies owned are based on the insurance contract's cash surrender value. 

FDIC Indemnification Asset— The FDIC indemnification asset is calculated as the expected future cash flows under the loss-share agreement discounted by a rate reflective of the creditworthiness of the FDIC as would be required from the market. 

Visa Inc. Class B Common Stock— The fair value of Visa Class B common stock is estimated by applying a 5% discount to the value of the unredeemed Class A equivalent shares.  The discount primarily represents the risk related to the further potential reduction of the conversion ratio between Class B and Class A shares and a liquidity risk premium. 

Deposits— The fair value of deposits with no stated maturity, such as non-interest bearing deposits, savings and interest checking accounts, and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities. 

Securities Sold under Agreements to Repurchase— For short-term instruments, including securities sold under agreements to repurchase and federal funds purchased, the carrying amount is a reasonable estimate of fair value. 

Term Debt— The fair value of medium term notes is calculated based on the discounted value of the contractual cash flows using current rates at which such borrowings can currently be obtained. 

Junior Subordinated Debentures— The fair value of junior subordinated debentures is estimated using an income approach valuation technique.  The significant inputs utilized in the estimation of fair value of these instruments are the credit risk adjusted spread and three month LIBOR. The credit risk adjusted spread represents the nonperformance risk of the liability, contemplating the inherent risk of the obligation. The Company periodically utilizes an external valuation firm to determine or validate the reasonableness of inputs and factors that are used to determine the fair value. The ending carrying (fair) value of the junior subordinated debentures measured at fair value represents the estimated amount that would be paid to transfer these liabilities in an orderly transaction amongst market participants.  Due to credit concerns in the capital markets and inactivity in the trust preferred markets that have limited the observability of market spreads, we have classified this as a Level 3 fair value measure.  

Derivative Instruments— The fair value of the interest rate lock commitments and forward sales commitments are estimated using quoted or published market prices for similar instruments, adjusted for factors such as pull-through rate assumptions based on historical information, where appropriate.  The pull-through rate assumptions are considered Level 3 valuation inputs and are significant to the interest rate lock commitment valuation; as such, the interest rate lock commitment derivatives are classified as Level 3. The fair value of the interest rate swaps is determined using a discounted cash flow technique incorporating credit valuation adjustments to reflect nonperformance risk in the measurement of fair value. Although the Bank has determined that the majority of the inputs used to value its interest rate swap derivatives fall within Level 2 of the fair value hierarchy, the CVA associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of March 31, 2015, the Bank has assessed the significance of the impact of the CVA on the overall valuation of its interest rate swap positions and has determined that the CVA are not significant to the overall valuation of its interest rate swap derivatives. As a result, the Bank has classified its interest rate swap derivative valuations in Level 2 of the fair value hierarchy.   

46

Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) 

The following table provides a description of the valuation technique, significant unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring basis at March 31, 2015: 

Financial Instrument	Valuation Technique	Unobservable Input	Weighted Average (Range)
Residential mortgage servicing rights	Discounted cash flow
		Constant Prepayment Rate	13.44%
		Discount Rate	9.17%
Interest rate lock commitment	Internal Pricing Model
		Pull-through rate	81.90%
Junior subordinated debentures	Discounted cash flow
		Credit Spread	6.04%

Generally, any significant increases in the constant prepayment rate and discount rate utilized in the fair value measurement of the residential mortgage servicing rights will result in negative fair value adjustments (and a decrease in the fair value measurement). Conversely, a decrease in the constant prepayment rate and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement).

An increase in the pull-through rate utilized in the fair value measurement of the interest rate lock commitment derivative will result in positive fair value adjustments (and an increase in the fair value measurement.) Conversely, a decrease in the pull-through rate will result in a negative fair value adjustment (and a decrease in the fair value measurement.)

Management believes that the credit risk adjusted spread utilized in the fair value measurement of the junior subordinated debentures carried at fair value is indicative of the nonperformance risk premium a willing market participant would require under current market conditions, that is, the inactive market. Management attributes the change in fair value of the junior subordinated debentures during the period to market changes in the nonperformance expectations and pricing of this type of debt, and not as a result of changes to our entity-specific credit risk. The widening of the credit risk adjusted spread above the Company's contractual spreads has primarily contributed to the positive fair value adjustments.  Future contractions in the credit risk adjusted spread relative to the spread currently utilized to measure the Company's junior subordinated debentures at fair value as of March 31, 2015, or the passage of time, will result in negative fair value adjustments.  Generally, an increase in the credit risk adjusted spread and/or a decrease in the three month LIBOR swap curve will result in positive fair value adjustments (and decrease the fair value measurement).  Conversely, a decrease in the credit risk adjusted spread and/or an increase in the three month LIBOR swap curve will result in negative fair value adjustments (and increase the fair value measurement). 

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The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three months ended March 31, 2015 and 2014. 

(in thousands)
Three Months Ended March 31,	Beginning Balance		Change included in earnings			Purchases and issuances		Sales and settlements			Ending Balance		Net change in unrealized gains or (losses) relating to items held at end of period
2015
Residential mortgage servicing rights	$	117,259	$	(9,731	)	$	8,837	$	—		$	116,365	$	(7,771	)
Interest rate lock commitment, net	2,867		(2,868		)	19,061		(12,036		)	7,025		7,025
Junior subordinated debentures, at fair value	249,294		3,878			—		(2,520		)	250,652		3,878
2014
Residential mortgage servicing rights	$	47,765	$	(953	)	$	2,408	$	—		$	49,220	$	(394	)
Interest rate lock commitment, net	706		(706		)	4,634		(3,240		)	1,394		1,394
Junior subordinated debentures, at fair value	87,274		1,490			—		(964		)	87,800		1,490

Losses on residential mortgage servicing rights carried at fair value are recorded in residential mortgage banking revenue within non-interest income. Gains (losses) on interest rate lock commitments carried at fair value are recorded in residential mortgage banking revenue within non-interest income. Gains (losses) on junior subordinated debentures carried at fair value are recorded in non-interest income.  The contractual interest expense on the junior subordinated debentures is recorded on an accrual basis as interest on junior subordinated debentures within interest expense. Settlements related to the junior subordinated debentures represent the payment of accrued interest that is embedded in the fair value of these liabilities. 

Additionally, from time to time, certain assets are measured at fair value on a nonrecurring basis.  These adjustments to fair value generally result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairment. 

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Fair Value of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

The following table presents information about the Company's assets and liabilities measured at fair value on a nonrecurring basis for which a nonrecurring change in fair value has been recorded during the reporting period.  The amounts disclosed below represent the fair values at the time the nonrecurring fair value measurements were made, and not necessarily the fair value as of the dates reported upon. 

(in thousands)	March 31, 2015
	Total		Level 1		Level 2		Level 3
Loans and leases	$	26,946	$	—	$	—	$	26,946
Other real estate owned	6,521		—		—		6,521
	$	33,467	$	—	$	—	$	33,467

(in thousands)	December 31, 2014
	Total		Level 1		Level 2		Level 3
Loans and leases	$	14,720	$	—	$	—	$	14,720
Other real estate owned	12,741		—		—		12,741
	$	27,461	$	—	$	—	$	27,461

The following table presents the losses resulting from nonrecurring fair value adjustments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Loans and leases	$	10,483	$	2,585
Other real estate owned	2,392		99
Total loss from nonrecurring measurements	$	12,875	$	2,684

The following provides a description of the valuation technique and inputs for the Company’s assets and liabilities classified as Level 3 and measured at fair value on a nonrecurring basis. Unobservable inputs and qualitative information about the unobservable inputs are not presented as the fair value is determined by third-party information. The loans and leases amount above represents impaired, collateral dependent loans that have been adjusted to fair value.  When we identify a collateral dependent loan as impaired, we measure the impairment using the current fair value of the collateral, less selling costs.  Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals.  If we determine that the value of the impaired loan is less than the recorded investment in the loan, we recognize this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses.  The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral.

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

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Fair Value Option

The following table presents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans held for sale accounted for under the fair value option as of March 31, 2015 and December 31, 2014:

(in thousands)

March 31, 2015

December 31, 2014

Fair Value

Fair Value

Aggregate

Less Aggregate

Aggregate

Less Aggregate

Unpaid

Unpaid

Unpaid

Unpaid

Fair

Principal

Principal

Fair

Principal

Principal

Value

Balance

Balance

Value

Balance

Balance

Loans held for sale

$

406,487

$

389,056

$

17,431

$

286,802

$

274,245

$

12,557

Residential mortgage loans held for sale accounted for under the fair value option are measured initially at fair value with subsequent changes in fair value recognized in earnings. Gains and losses from such changes in fair value are reported as a component of residential mortgage banking revenue, net in the Consolidated Statements of Income. For the three months ended March 31, 2015, the Company recorded a net increase of $4.9 million. For the three months ended March 31, 2014, the Company recorded a net increase of $324,000, representing the change in fair value reflected in earnings.

There were nononaccrual residential mortgage loans held for sale or residential mortgage loans held for sale 90 days or more past due and still accruing interest as of March 31, 2015 and December 31, 2014, respectively.

The Company selected the fair value measurement option for existing junior subordinated debentures (the Umpqua Statutory Trusts) and for junior subordinated debentures acquired from Sterling. The remaining junior subordinated debentures were acquired through previous business combinations and were measured at fair value at the time of acquisition and subsequently measured at amortized cost.

Accounting for the selected junior subordinated debentures at fair value enables us to more closely align our financial performance with the economic value of those liabilities. Additionally, we believe it improves our ability to manage the market and interest rate risks associated with the junior subordinated debentures. The junior subordinated debentures measured at fair value and amortized cost are presented as separate line items on the balance sheet. The ending carrying (fair) value of the junior subordinated debentures measured at fair value represents the estimated amount that would be paid to transfer these liabilities in an orderly transaction amongst market participants under current market conditions as of the measurement date.

Due to inactivity in the junior subordinated debenture market and the lack of observable quotes of our, or similar, junior subordinated debenture liabilities or the related trust preferred securities when traded as assets, we utilize an income approach valuation technique to determine the fair value of these liabilities using our estimation of market discount rate assumptions. The Company monitors activity in the trust preferred and related markets, to the extent available, changes related to the current and anticipated future interest rate environment, and considers our entity-specific creditworthiness, to validate the reasonableness of the credit risk adjusted spread and effective yield utilized in our discounted cash flow model.  Regarding the activity in and condition of the junior subordinated debt market, we noted no observable changes in the current period as it relates to companies comparable to our size and condition, in either the primary or secondary markets.  Relating to the interest rate environment, we considered the change in slope and shape of the forward LIBOR swap curve in the current period, the effects of which did not result in a significant change in the fair value of these liabilities.

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

Forward-Looking Statements 

This Report contains certain forward-looking statements, within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which are intended to be covered by the safe harbor for "forward-looking statements" provided by the Private Securities Litigation Reform Act of 1995. These statements may include statements that expressly or implicitly predict future results, performance or events. Statements other than statements of historical fact are forward-looking statements. You can find many of these statements by looking for words such as "anticipates," "expects," "believes," "estimates" and "intends" and words or phrases of similar meaning. We make forward-looking statements regarding our liquidity and projected sources of funds and use of proceeds; availability of acquisition and growth opportunities; dividends; adequacy of our allowance for loan and lease losses and reserve for unfunded commitments; provision for loan and lease losses; performance of troubled debt restructurings; our commercial real estate portfolio, stress testing results and subsequent charge-offs; the FDIC indemnification asset; the benefits of the Sterling and FinPac acquisitions; cost of interest bearing deposits and pricing strategy; valuation and the potential redemption of junior subordinated debentures; the impact of Basel III on our capital ratios; tax rates; the impact, and mitigation of, LIBOR changes with respect to junior subordinated debentures; and the impact of accounting pronouncements. Forward-looking statements involve substantial risks and uncertainties, many of which are difficult to predict and are generally beyond our control. There are many factors that could cause actual results to differ materially from those contemplated by these forward-looking statements. Risks and uncertainties include those set forth in our filings with the Securities and Exchange Commission (the "SEC") and the following factors that might cause actual results to differ materially from those presented: 

• our ability to attract new deposits and loans and leases; 

• demand for financial services in our market areas; 

• competitive market pricing factors; 

• deterioration in economic conditions that could result in increased loan and lease losses; 

• risks associated with concentrations in real estate related loans; 

• market interest rate volatility; 

• compression of our net interest margin; 

• stability of funding sources and continued availability of borrowings; 

• changes in legal or regulatory requirements or the results of regulatory examinations that could restrict growth; 

• our ability to recruit and retain key management and staff; 

• availability of, and competition for, acquisition opportunities; 

• risks associated with merger and acquisition integration; 

• significant decline in the market value of the Company that could result in an impairment of goodwill; 

• our ability to raise capital or incur debt on reasonable terms; 

• regulatory limits on the Bank's ability to pay dividends to the Company; 

• the impact of the Dodd-Frank Wall Street Reform and Consumer Protection Act ("Dodd-Frank Act") and related rules and regulations on the Company's business operations and competitiveness, including our ability to retain and recruit executives, the Company's interest expense, FDIC deposit insuranceassessments, regulatory compliance expenses, and interchange fee revenue.

• Sterling's business may not be integrated into Umpqua's successfully, or such integration may take longer to accomplish than expected;

• the anticipated benefits, growth opportunities and cost savings from the Merger may not be fully realized or may take longer to realize than expected;

• operating costs, customer losses and business disruption following the Merger, including adverse developments in relationships with employees, may be greater than expected; and

• management's time and effort will be diverted to the resolution of Merger-related issues.

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There are many factors that could cause actual results to differ materially from those contemplated by these forward-looking statements. Forward-looking statements are made as of the date of this Form 10-Q. We do not intend to update these forward-looking statements. Readers should consider any forward-looking statements in light of this explanation, and we caution readers about relying on forward-looking statements.

General 

Umpqua Holdings Corporation (referred to in this report as "we," "our," "Umpqua," and "the Company"), an Oregon corporation, is a financial holding company with two principal operating subsidiaries, Umpqua Bank (the "Bank") and Umpqua Investments, Inc. ("Umpqua Investments").   

With headquarters located in Roseburg, Oregon, the Bank is considered one of the most innovative community banks in the United States and has implemented a variety of retail marketing strategies to increase revenue and differentiate itself from its competition. The Bank combines a high touch customer experience with the sophisticated products and expertise of a commercial bank. The Bank provides a wide range of banking, wealth management, mortgage and other financial services to corporate, institutional and individual customers. The Bank also has a wholly-owned subsidiary, Financial Pacific Leasing, Inc., a commercial equipment leasing company.

Umpqua Investments is a registered broker-dealer and registered investment advisor with offices in Portland, Lake Oswego, and Medford, Oregon, and Santa Rosa, California, and also offers products and services through Umpqua Bank stores. The firm is one of the oldest investment companies in the Northwest and is actively engaged in the communities it serves. Umpqua Investments offers a full range of investment products and services including: stocks, fixed income securities (municipal, corporate, and government bonds, CDs, and money market instruments), mutual funds, annuities, options, retirement planning, money management services and life insurance.

Along with its subsidiaries, the Company is subject to the regulations of state and federal agencies and undergoes periodic examinations by these regulatory agencies.  

Executive Overview 

Significant items for the three months ended March 31, 2015 were as follows: 

Financial Performance

• Net earnings available to common shareholders per diluted common share were $0.21 for the three months ended March 31, 2015, as compared to $0.16 for the three months ended March 31, 2014.  Operating income per diluted common share, defined as earnings available to common shareholders before net gains or losses on junior subordinated debentures carried at fair value, net of tax and merger related expenses, net of tax, divided by the same diluted share total used in determining diluted earnings per common share, were $0.26 for the three months ended March 31, 2015, as compared to operating income per diluted common share of $0.21 for the three months ended March 31, 2014.  Operating income per diluted share is considered a "non-GAAP" financial measure.  More information regarding this measurement and reconciliation to the comparable GAAP measurement is provided under the heading Results of Operations - Overview below. 

• Net interest margin, on a tax equivalent basis, was 4.53% for the three months ended March 31, 2015, as compared to 4.28% for the three months ended March 31, 2014.  The increase in net interest margin for the three months ended March 31, 2015 was primarily attributable to the acquisition of Sterling and the related loan discount accretion and deposit premium amortization.

• Residential mortgage banking revenue was $28.2 million for the three months ended March 31, 2015 compared to $10.4 million for the three months ended March 31, 2014.  The increase from the same period of the prior year was primarily driven by an increase in closed for sale mortgage volume, which increased by 321.9% in the three months ended March 31, 2015, compared to the prior year same period, primarily due to the Sterling Merger. This increase in closed for sale mortgage volume was partially offset by a lower gain on sale margin.

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• Total gross loans and leases were $15.5 billion as of March 31, 2015, an increase of $221.2 million, as compared to December 31, 2014.  The increase is due to loan growth in both the commercial and consumer loan portfolios, partially offset by portfolio loan sales of $72.8 million.

• Total deposits were $17.2 billion as of March 31, 2015, an increase of $330.5 million, as compared to December 31, 2014.  This increase was primarily driven by an increase in non-interest bearing demand, savings and money market accounts, partially offset by a decrease in time deposits.

• Total consolidated assets were $23.0 billion as of March 31, 2015, compared to $22.6 billion at December 31, 2014.  

Credit Quality

• Non-performing assets decreased to $82.7 million, or 0.36% of total assets, as of March 31, 2015, as compared to $97.5 million, or 0.43% of total assets, as of December 31, 2014.  Non-performing loans were $50.7 million, or 0.33% of total loans, as of March 31, 2015, as compared to $59.6 million, or 0.39% of total loans, as of December 31, 2014. 

• The provision for loan and lease losses was $12.6 million for the three months ended March 31, 2015, as compared to the $6.0 million recognized for the three months ended March 31, 2014. This increase was primarily driven by an increase in net charge-offs and a higher level of loan growth, as compared to the prior year quarter. Net charge-offs on loans were $8.7 million for the three months ended March 31, 2015, or 0.23% of average loans and leases (annualized), as compared to net charge-offs of $4.0 million, or 0.21% of average loans and leases (annualized), for the three months ended March 31, 2014.

Capital and Growth Initiatives

• Based on Basel III rules, the Company's total risk based capital was 14.7% and its Tier 1 common to risk weighted assets ratio was 11.1% as of March 31, 2015. As of December 31, 2014, which is based on Basel I rules, the Company's total risk based capital ratio was 15.2% and its Tier 1 common to risk weighted assets ratio was 11.5%.

• Cash dividends declared in the first quarter of 2015 were $0.15 per common share, comparable to the same period of the prior year.  

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Summary of Critical Accounting Policies 

Our significant accounting policies are described in Note 1 to the Consolidated Financial Statementsfor the year ended December 31, 2014 included in the Form 10-K filed with the SEC on February 23, 2015. Not all of these critical accounting policies require management to make difficult, subjective or complex judgments or estimates. Management believes that the following policies would be considered critical under the SEC's definition. 

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments 

The Bank performs regular credit reviews of the loan and lease portfolio to determine credit quality and adherence to underwriting standards. When loans and leases are originated, they are assigned a risk rating that is reassessed periodically during the term of the loan through the credit review process.  The Bank's risk rating methodology assigns risk ratings ranging from 1 to 10, where a higher rating represents higher risk. The 10 risk rating categories are a primary factor in determining an appropriate amount for the allowance for loan and lease losses. The Bank has a management Allowance for Loan and Lease Losses ("ALLL") Committee, which is responsible for, among other things, regularly reviewing the ALLL methodology, including loss factors, and ensuring that it is designed and applied in accordance with generally accepted accounting principles. The ALLL Committee reviews and approves loans and leases recommended for impaired status.  The ALLL Committee also approves removing loans and leases from impaired status.  The Bank's Audit and Compliance Committee provides board oversight of the ALLL process and reviews and approves the ALLL methodology on a quarterly basis. 

Each risk rating is assessed an inherent credit loss factor that determines the amount of the allowance for loan and lease losses provided for that group of loans and leases with similar risk rating. Credit loss factors may vary by region based on management's belief that there may ultimately be different credit loss rates experienced in each region.  

Regular credit reviews of the portfolio also identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALLL Committee which reviews and approves designated loans as impaired. A loan is considered impaired when based on current information and events, we determine that we will probably not be able to collect all amounts due according to the loan contract, including scheduled interest payments. When we identify a loan as impaired, we measure the impairment using discounted cash flows, except when the sole remaining source of the repayment for the loan is the liquidation of the collateral. In these cases, we use the current fair value of the collateral, less selling costs, instead of discounted cash flows. If we determine that the value of the impaired loan is less than the recorded investment in the loan, we either recognize an impairment reserve as a specific component to be provided for in the allowance for loan and lease losses or charge-off the impaired balance on collateral dependent loans if it is determined that such amount represents a confirmed loss.  The combination of the risk rating-based allowance component and the impairment reserve allowance component lead to an allocated allowance for loan and lease losses.  

The Bank may also maintain an unallocated allowance amount to provide for other credit losses inherent in a loan and lease portfolio that may not have been contemplated in the credit loss factors. This unallocated amount generally comprises less than 5% of the allowance, but may be maintained at higher levels during times of economic conditions characterized by falling real estate values. The unallocated amount is reviewed periodically based on trends in credit losses, the results of credit reviews and overall economic trends.

The reserve for unfunded commitments ("RUC") is established to absorb inherent losses associated with our commitment to lend funds, such as with a letter or line of credit. The adequacy of the ALLL and RUC are monitored on a regular basis and are based on management's evaluation of numerous factors. These factors include the quality of the current loan portfolio; the trend in the loan portfolio's risk ratings; current economic conditions; loan concentrations; loan growth rates; past-due and non-performing trends; evaluation of specific loss estimates for all significant problem loans; historical charge-off and recovery experience; and other pertinent information.  

Management believes that the ALLL was adequate as of March 31, 2015. There is, however, no assurance that future loan losses will not exceed the levels provided for in the ALLL and could possibly result in additional charges to the provision for loan and lease losses. In addition, bank regulatory authorities, as part of their periodic examination of the Bank, may require additional charges to the provision for loan and lease losses in future periods if warranted as a result of their review. Approximately 80% of our loan portfolio is secured by real estate, and a significant decline in real estate market values may require an increase in the allowance for loan and lease losses.  

54

Acquired Loans including Covered Loans and FDIC Indemnification Asset 

Acquired loans and leases are recorded at their fair value at the acquisition date. For purchased non-impaired loans, the difference between the fair value and unpaid principal balance of the loan at the acquisition date is amortized or accreted to interest income over the estimated life of the loans.

The acquired loans and purchased impaired loans are aggregated into pools based on individually evaluated common risk characteristics and aggregate expected cash flows were estimated for each pool. A pool is accounted for as a single asset with a single interest rate, cumulative loss rate and cash flow expectation. The cash flows expected to be received over the life of the pool were estimated by management with the assistance of a third party valuation specialist. These cash flows were input into an accounting loan system which calculates the carrying values of the pools and underlying loans, book yields, effective interest income and impairment, if any, based on actual and projected events. Default rates, loss severity, and prepayment speeds assumptions are periodically reassessed and updated within the accounting model to update our expectation of future cash flows. The excess of the cash flows expected to be collected over a pool's carrying value is considered to be the accretable yield and is recognized as interest income over the estimated life of the loan or pool using the effective yield method. The accretable yield may change due to changes in the timing and amounts of expected cash flows. Changes in the accretable yield are disclosed quarterly.

Loans acquired in a FDIC-assisted acquisition that are subject to a loss-share agreement are referred to as "covered loans."The Company has elected to account for amounts receivable under the loss-share agreement as an indemnification asset. The FDIC indemnification asset is initially recorded at fair value, based on the discounted value of expected future cash flows under the loss-share agreement. The difference between the carrying value and the undiscounted cash flows the Company expects to collect from the FDIC will be accreted or amortized into non-interest income over the life of the FDIC indemnification asset, which is maintained at the loan pool level. 

Residential Mortgage Servicing Rights ("MSR") 

The Company determines its classes of servicing assets based on the asset type being serviced along with the methods used to manage the risk inherent in the servicing assets, which includes the market inputs used to value the servicing assets. The Company measures its residential mortgage servicing assets at fair value and reports changes in fair value through earnings.  Fair value adjustments encompass market-driven valuation changes and the runoff in value that occurs from the passage of time, which are separately reported. Under the fair value method, the MSR is carried in the balance sheet at fair value and the changes in fair value are reported in earnings under the caption residential mortgage banking revenue in the period in which the change occurs. 

Retained mortgage servicing rights are measured at fair values as of the date of sale. We use quoted market prices when available. Subsequent fair value measurements are determined using a discounted cash flow model. In order to determine the fair value of the MSR, the present value of expected net future cash flows is estimated. Assumptions used include market discount rates, anticipated prepayment speeds, delinquency and foreclosure rates, and ancillary fee income net of servicing costs. This model is periodically validated by an independent external model validation group. The model assumptions and the MSR fair value estimates are also compared to observable trades of similar portfolios as well as to MSR broker valuations and industry surveys, as available. 

Valuation of Goodwill and Intangible Assets 

Goodwill and other intangible assets with indefinite lives are not amortized but instead are periodically tested for impairment. Management performs an impairment analysis for the intangible assets with indefinite lives on an annual basis as of December 31.  Additionally, goodwill and other intangible assets with indefinite lives are evaluated on an interim basis when events or circumstances indicate impairment potentially exists.  The impairment analysis requires management to make subjective judgments. Events and factors that may significantly affect the estimates include, among others, competitive forces, customer behaviors and attrition, changes in revenue growth trends, cost structures, technology, changes in discount rates and specific industry and market conditions. There can be no assurance that changes in circumstances, estimates or assumption may result in additional impairment of all, or some portion of, goodwill. 

The Company performed its annual goodwill impairment analysis of the Community Banking reporting segment as of December 31, 2014. In the first step of the goodwill impairment test, the Company assessed qualitative factors to determine whether the existence of events and circumstances indicated that it is more likely than not that the indefinite-lived intangible asset is impaired, and determined no factors indicated an impairment. Based on this analysis, no further testing was determined to be necessary.

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Stock-based Compensation 

We recognize expense in the income statement for the grant-date fair value of stock options and other equity-based forms of compensation issued to employees over the employees' requisite service period (generally the vesting period). The requisite service period may be subject to performance conditions. The fair value of each grant is estimated as of the grant date using the Black-Scholes option-pricing model or a Monte Carlo simulation pricing model, as required by the features of the grants. Management assumptions utilized at the time of grant impact the fair value of the option calculated under the pricing model, and ultimately, the expense that will be recognized over the expected service period related to each option.

Fair Value 

A hierarchical disclosure framework associated with the level of pricing observability is utilized in measuring financial instruments at fair value. The degree of judgment utilized in measuring the fair value of financial instruments generally correlates to the level of pricing observability. Financial instruments with readily available active quoted prices or for which fair value can be measured from actively quoted prices generally will have a higher degree of pricing observability and a lesser degree of judgment utilized in measuring fair value. Conversely, financial instruments rarely traded or not quoted will generally have little or no pricing observability and a higher degree of judgment utilized in measuring fair value. Pricing observability is impacted by a number of factors, including the type of financial instrument, whether the financial instrument is new to the market and not yet established and the characteristics specific to the transaction.

Recent Accounting Pronouncements 

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2014-09, Revenue from Contracts with Customers (Topic 606), which creates Topic 606 and supersedes Topic 605, Revenue Recognition. The core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In general, the new guidance requires companies to use more judgment and make more estimates than under current guidance, including identifying performance obligations in the contract, estimating the amount of variable consideration to include in the transaction price and allocating the transaction price to each separate performance obligation. The standard is effective for public entities for interim and annual periods beginning after December 15, 2016; early adoption is not permitted. For financial reporting purposes, the standard allows for either full retrospective adoption, meaning the standard is applied to all of the periods presented, or modified retrospective adoption, meaning the standard is applied only to the most current period presented in the financial statements with the cumulative effect of initially applying the standard recognized at the date of initial application. The Company is currently evaluating the provisions of ASU No. 2014-09 to determine the potential impact the new standard will have on the Company's consolidated financial statements.

In June 2014, the FASB issued ASU No. 2014-12, Compensation - Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period. The ASU requires that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. A reporting entity should apply existing guidance in Topic 718, Compensation – Stock Compensation, as it relates to awards with performance conditions that affect vesting to account for such awards. The performance target should not be reflected in estimating the grant-date fair value of the award. Compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite service has already been rendered. The amendments in this ASU can be applied prospectively or retrospectively and are effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 with early adoption permitted. The Company is currently reviewing the requirements of ASU No. 2014-12, but does not expect the ASU to have a material impact on the Company's consolidated financial statements.

In November 2014, the FASB issued ASU No. 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share is More Akin to Debt or to Equity. The ASU clarifies how current guidance should be interpreted in evaluating the characteristics and risks of a host contract in a hybrid financial instrument issued in the form of a share. One criterion requires evaluating whether the nature of the host contract is more akin to debt or to equity and whether the economic characteristics and risks of the embedded derivative feature are "clearly and closely related" to the host contract. In making that evaluation, an issuer or investor must consider all terms and features in a hybrid financial instrument including the embedded derivative feature that is being evaluated for separate accounting or may consider all terms and features in the hybrid financial instrument except for the embedded derivative feature that is being evaluated for separate accounting. This ASU is effective for annual periods and interim periods within those annual periods

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beginning after December 15, 2015 with early adoption permitted. The Company is currently reviewing the requirements of ASU No. 2014-16.

In January 2015, the FASB issued ASU No. 2015-1, Income Statement —Extraordinary and Unusual Items (Subtopic 225-20). The objective of this ASU is to simplify the income statement presentation requirements in Subtopic 225-20 by eliminating the concept of extraordinary items. Extraordinary items are events and transactions that are distinguished by their unusual nature and by the infrequency of their occurrence. Eliminating the extraordinary classification simplifies income statement presentation by altogether removing the concept of extraordinary items from consideration. This ASU is effective for annual periods and interim periods within those annual periods beginning after December 15, 2015 with early adoption permitted. The Company does not expect this ASU to have a material impact on the Company's consolidated financial statements.

In February 2015, the FASB issued ASU No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, which is intended to improve targeted areas of consolidation guidance for legal entities such as limited partnerships, limited liability corporations, and securitization structures (collateralized debt obligations, collateralized loan obligations, and mortgage-backed security transactions). The ASU focuses on simplifying the consolidation evaluation for reporting organizations that are required to evaluate whether they should consolidate certain legal entities by reducing the number of consolidation model from four to two, among other changes. The ASU will be effective for periods beginning after December 31, 2015, while early adoption is permitted. The Company does not expect this ASU to have a material impact on the Company's consolidated financial statements.

In April 2015, the FASB issued ASU No. 2015-03, Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. The amendments in this ASU require that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. The recognition and measurement guidance for debt issuance costs are not affected. ASU No 2015-03 is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. ASU No. 2015-03 should be applied on a retrospective basis. The Company is currently evaluating the impacts of this ASU on the Company's consolidated financial statements.

Results of Operations

Overview

For the three months ended March 31, 2015, net earnings available to common shareholders were $47.0 million, or $0.21 per diluted common share, as compared to net earnings available to common shareholders of $18.5 million, or $0.16 per diluted common share for the three months ended March 31, 2014. The increase in net earnings for the three months ended March 31, 2015 compared to the same period of the prior year was principally attributable to net income contribution from the operations acquired from Sterling and increased residential mortgage banking revenue resulting from the current mortgage interest rate environment.

Umpqua recognizes gains or losses on our junior subordinated debentures carried at fair value resulting from the estimated market credit risk adjusted spread and changes in interest rates that do not directly correlate with the Company's operating performance.  Also, Umpqua incurs significant expenses related to the completion and integration of mergers and acquisitions. Additionally, we may recognize goodwill impairment losses that have no direct effect on the Company's or the Bank's cash balances, liquidity, or regulatory capital ratios. Lastly, Umpqua may recognize one-time bargain purchase gains on certain acquisitions that are not reflective of Umpqua's on-going earnings power.  Accordingly, management believes that our operating results are best measured on a comparative basis excluding the impact of gains or losses on junior subordinated debentures measured at fair value, net of tax, merger related expenses, net of tax, and other charges related to business combinations such as goodwill impairment charges or bargain purchase gains, net of tax. We define operating earnings as earnings available to common shareholders before gains or losses on junior subordinated debentures carried at fair value, net of tax, bargain purchase gains on acquisitions, net of tax, merger related expenses, net of tax, and goodwill impairment, and we calculate operating earnings per diluted share by dividing operating earnings by the same diluted share total used in determining diluted earnings per common share. Operating earnings and operating earnings per diluted share are considered "non-GAAP" financial measures. Although we believe the presentation of non-GAAP financial measures provides a better indication of our operating performance, readers of this report are urged to review the GAAP results as presented in the Financial Statements and Supplementary Data in Item 1 above.

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The following table provides the reconciliation of earnings available to common shareholders (GAAP) to operating earnings (non-GAAP), and earnings per diluted common share (GAAP) to operating earnings per diluted share (non-GAAP) for the three months ended March 31, 2015 and 2014:   

Reconciliation of Net Earnings Available to Common Shareholders to Operating Earnings

(in thousands, except per share data)	Three Months Ended
	March 31,
	2015		2014
Net earnings available to common shareholders	$	47,045	$	18,538
Adjustments:
Net loss on junior subordinated debentures carried at fair value, net of tax	933		325
Merger related expenses, net of tax	8,449		5,073
Operating earnings	$	56,427	$	23,936
Per diluted share:
Net earnings available to common shareholders	$	0.21	$	0.16
Adjustments:
Net loss on junior subordinated debentures carried at fair value, net of tax	0.01		—
Merger related expenses, net of tax	0.04		0.05
Operating earnings	$	0.26	$	0.21

The following table presents the returns on average assets, average common shareholders' equity and average tangible common shareholders' equity for the three months ended March 31, 2015 and 2014. For each of the periods presented, the table includes the calculated ratios based on reported net earnings available to common shareholders and operating income as shown in the table above. Our return on average common shareholders' equity is negatively impacted as the result of capital required to support goodwill. To the extent this performance metric is used to compare our performance with other financial institutions that do not have merger and acquisition-related intangible assets, we believe it beneficial to also consider the return on average tangible common shareholders' equity. The return on average tangible common shareholders' equity is calculated by dividing net earnings available to common shareholders by average shareholders' common equity less average goodwill and intangible assets, net (excluding MSRs). The return on average tangible common shareholders' equity is considered a non-GAAP financial measure and should be viewed in conjunction with the return on average common shareholders' equity.  

Return on Average Assets, Common Shareholders' Equity and Tangible Common Shareholders' Equity 

(dollars in thousands)	Three Months Ended
	March 31,
	2015			2014
Returns on average assets:
Net earnings available to common shareholders	0.84		%	0.65		%
Operating earnings	1.01		%	0.83		%
Returns on average common shareholders' equity:
Net earnings available to common shareholders	5.02		%	4.32		%
Operating earnings	6.03		%	5.58		%
Returns on average tangible common shareholders' equity:
Net earnings available to common shareholders	9.76		%	7.81		%
Operating earnings	11.71		%	10.08		%
Calculation of average common tangible shareholders' equity:
Average common shareholders' equity	$	3,797,108		$	1,738,680
Less: average goodwill and other intangible assets, net	(1,842,390		)	(776,006		)
Average tangible common shareholders' equity	$	1,954,718		$	962,674

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Additionally, management believes tangible common equity and the tangible common equity ratio are meaningful measures of capital adequacy. Umpqua believes the exclusion of certain intangible assets in the computation of tangible common equity and tangible common equity ratio provides a meaningful base for period-to-period and company-to-company comparisons, which management believes will assist investors in analyzing the operating results and capital of the Company.  Tangible common equity is calculated as total shareholders' equity less preferred stock and less goodwill and other intangible assets, net (excluding MSRs).  In addition, tangible assets are total assets less goodwill and other intangible assets, net (excluding MSRs).  The tangible common equity ratio is calculated as tangible common shareholders' equity divided by tangible assets. The tangible common equity and tangible common equity ratio is considered a non-GAAP financial measure and should be viewed in conjunction with the total shareholders' equity and the total shareholders' equity ratio. 

The following table provides a reconciliation of ending shareholders' equity (GAAP) to ending tangible common equity (non-GAAP), and ending assets (GAAP) to ending tangible assets (non-GAAP) as of March 31, 2015 and December 31, 2014: 

Reconciliations of Total Shareholders' Equity to Tangible Common Shareholders' Equity and Total Assets to Tangible Assets 

(dollars in thousands)	March 31,			December 31,
	2015			2014
Total shareholders' equity	$	3,800,970		$	3,777,626
Subtract:
Goodwill and other intangible assets, net	1,842,567			1,842,958
Tangible common shareholders' equity	$	1,958,403		$	1,934,668
Total assets	$	22,953,158		$	22,609,903
Subtract:
Goodwill and other intangible assets, net	1,842,567			1,842,958
Tangible assets	$	21,110,591		$	20,766,945
Tangible common equity ratio	9.28		%	9.32		%

Non-GAAP financial measures have inherent limitations, are not required to be uniformly applied, and are not reviewed or audited.  Although we believe these non-GAAP financial measures are frequently used by stakeholders in the evaluation of a company, they have limitations as analytical tools, and should not be considered in isolation or as a substitute for analyses of results as reported under GAAP.

Net Interest Income 

Net interest income is the largest source of our operating income. Net interest income for the three months ended March 31, 2015 was $215.9 million, an increase of $108.1 million, compared to the same period in 2014. The increase in net interest income for the three months ended March 31, 2015 as compared to the same period in 2014 is primarily attributable to an increase in average interest-earning assets and an increase in net interest margin, partially offset by an increase in average deposits and other average interest-bearing liabilities. The increase in average interest-earning assets was primarily in loans and investment securities, largely from the Sterling Merger.

The net interest margin (net interest income as a percentage of average interest-earning assets) on a fully tax equivalent basis was 4.53% for the three months ended March 31, 2015, an increase of 25 basis points as compared to the same period in 2014.  The increase in net interest margin primarily resulted from the increase in loan yields as a result of the Sterling Merger and the related loan discount accretion.

Adding to the increase in net interest margin in the current quarter as compared to the same period of the prior year was the reduction of the cost of interest-bearing liabilities, which decreased 3 basis points to 0.41% for the current quarter.  The decrease in the cost of interest-bearing liabilities was due to a decrease in the cost of term debt and junior subordinated debentures, while the total cost of interest-bearing deposits was within 1 basis point for the current quarter as compared to the same period of the prior year. 

Our net interest income is affected by changes in the amount and mix of interest-earning assets and interest-bearing liabilities, as well as changes in the yields earned on interest-earning assets and rates paid on deposits and borrowed funds.

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The following table presents condensed average balance sheet information, together with interest income and yields on average interest-earning assets, and interest expense and rates paid on average interest-bearing liabilities for the three months ended March 31, 2015 and 2014: 

Average Rates and Balances

(dollars in thousands)	Three Months Ended							Three Months Ended
	March 31, 2015							March 31, 2014
				Interest		Average					Interest		Average
	Average			Income or		Yields or		Average			Income or		Yields or
	Balance			Expense		Rates		Balance			Expense		Rates
INTEREST-EARNING ASSETS:
Loans held for sale	$	262,777		$	2,562	3.95	%	$	77,234		$	770	4.04	%
Loans and leases (1)	15,334,555			212,101		5.61	%	7,732,539			103,216		5.41	%
Taxable securities	2,222,174			11,652		2.10	%	1,562,849			9,341		2.39	%
Non-taxable securities (2)	323,852			4,128		5.10	%	231,520			3,204		5.54	%
Temporary investments and interest-bearing deposits	1,323,671			825		0.25	%	705,974			441		0.25	%
Total interest earning assets	19,467,029			231,268		4.82	%	10,310,116			116,972		4.60	%
Allowance for loan and lease losses	(117,690		)					(86,918		)
Other assets	3,338,176							1,415,159
Total assets	$	22,687,515						$	11,638,357
INTEREST-BEARING LIABILITIES:
Interest-bearing demand deposits	$	2,051,110		$	282	0.06	%	$	1,187,428		$	212	0.10	%
Money market deposits	6,183,773			2,237		0.15	%	3,422,291			894		0.11	%
Savings deposits	998,941			132		0.05	%	569,766			88		0.06	%
Time deposits	2,953,308			4,452		0.61	%	1,516,544			2,654		0.71	%
Repurchase agreements	310,745			48		0.06	%	240,521			41		0.07	%
Term debt	990,029			3,464		1.42	%	251,189			2,273		3.67	%
Junior subordinated debentures	350,609			3,337		3.86	%	189,041			1,880		4.03	%
Total interest-bearing liabilities	13,838,515			13,952		0.41	%	7,376,780			8,042		0.44	%
Non-interest-bearing deposits	4,808,062							2,414,001
Other liabilities	243,830							108,896
Total liabilities	18,890,407							9,899,677
Common equity	3,797,108							1,738,680
Total liabilities and shareholders' equity	$	22,687,515						$	11,638,357
NET INTEREST INCOME				$	217,316						$	108,930
NET INTEREST SPREAD						4.41	%						4.16	%
AVERAGE YIELD ON EARNING ASSETS  (1), (2)						4.82	%						4.60	%
INTEREST EXPENSE TO EARNING ASSETS						0.29	%						0.32	%
NET INTEREST INCOME TO EARNING ASSETS OR NET INTEREST MARGIN (1), (2)						4.53	%						4.28	%

(1) Non-accrual loans and leases are included in the average balance.   

(2) Tax-exempt income has been adjusted to a tax equivalent basis at a 35% tax rate. The amount of such adjustment was an addition to recorded income of approximately $1.4 million and $1.1 million for the three months ended March 31, 2015 and 2014, respectively. 

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The following table sets forth a summary of the changes in tax equivalent net interest income due to changes in average asset and liability balances (volume) and changes in average rates (rate) for the three months ended March 31, 2015 as compared to the same periods in 2014. Changes in tax equivalent interest income and expense, which are not attributable specifically to either volume or rate, are allocated proportionately between both variances. 

Rate/Volume Analysis

(in thousands)	Three Months Ended March 31,
	2015 compared to 2014
	Increase (decrease) in interest income
	and expense due to changes in
	Volume		Rate			Total
INTEREST-EARNING ASSETS:
Loans held for sale	$	1,809	$	(17	)	$	1,792
Loans and leases	105,018		3,867			108,885
Taxable securities	3,566		(1,255		)	2,311
Non-taxable securities (1)	1,194		(270		)	924
Temporary investments and interest bearing deposits	385		(1		)	384
Total (1)	111,972		2,324			114,296
INTEREST-BEARING LIABILITIES:
Interest bearing demand deposits	127		(57		)	70
Money market deposits	909		434			1,343
Savings deposits	59		(15		)	44
Time deposits	2,211		(413		)	1,798
Repurchase agreements	11		(4		)	7
Term debt	3,293		(2,102		)	1,191
Junior subordinated debentures	1,541		(84		)	1,457
Total	8,151		(2,241		)	5,910
Net increase in net interest income (1)	$	103,821	$	4,565		$	108,386

(1) Tax exempt income has been adjusted to a tax equivalent basis at a 35% tax rate.

Provision for Loan and Lease Losses 

The provision for loan and lease losses was $12.6 million for the three months ended March 31, 2015, as compared to $6.0 million for the same period in 2014.  As an annualized percentage of average outstanding loans and leases, the provision for loan and lease losses recorded for the three months ended March 31, 2015 was 0.33%, respectively, as compared to 0.31% in the same periods in 2014. 

The increase in the provision for loan and lease losses for the three months ended March 31, 2015 as compared to the same period in 2014 was principally attributable to a higher level of loan growth, as well as an increase in net charge-offs.

The Company recognizes the charge-off of impairment reserves on impaired loans in the period they arise for collateral-dependent loans.  Therefore, the non-accrual loans of $40.2 million as of March 31, 2015 have already been written-down to their estimated fair value, less estimated costs to sell, and are expected to be resolved with no additional material loss, absent further decline in market prices.

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Non-Interest Income 

Non-interest income for the three months ended March 31, 2015 was $63.6 million, an increase of $40.4 million, or 173.7%, as compared to the same period in 2014. The following table presents the key components of non-interest income for the three months ended March 31, 2015 and 2014: 

Non-Interest Income 

(in thousands)	Three Months Ended
	March 31,
							Change			Change
	2015			2014			Amount			Percent
Service charges on deposit accounts	$	14,296		$	7,767		$	6,529		84	%
Brokerage commissions and fees	4,769			3,725			1,044			28	%
Residential mortgage banking revenue, net	28,227			10,439			17,788			170	%
Gain on investment securities, net	116			—			116			nm
Gain on loan sales	6,728			517			6,211			nm
Loss on junior subordinated debentures carried at fair value	(1,555		)	(542		)	(1,013		)	187	%
Change in FDIC indemnification asset	(1,286		)	(4,840		)	3,554			(73	)%
BOLI income	2,781			736			2,045			278	%
Other income	9,519			5,436			4,083			75	%
Total	$	63,595		$	23,238		$	40,357		174	%
nm = Not Meaningful

The increase in deposit service charges in the three months ended March 31, 2015 compared to the same period in 2014 was primarily the result of Sterling Merger. Non-maturity deposits of $5.4 billion were acquired from Sterling.

Residential mortgage banking revenue increased for the three months ended March 31, 2015 due to an increase in production contributed by legacy Sterling operations and the lower mortgage interest rate environment between the two periods. Closed for sale mortgage volume for the three months ended March 31, 2015 was $862.2 million, compared to $204.4 million for the three months ended March 31, 2014.

For the three months ended March 31, 2015, we recorded an increase in losses on junior subordinated debentures carried at fair value of $1.0 million over the same period in 2014, which related to the liabilities assumed in the Sterling Merger.  

The change in FDIC indemnification asset represents a change in cash flows expected to be recoverable under the loss-share agreements entered into with the FDIC in connection with FDIC-assisted acquisitions. 

The gain on loan sales for the three months ended March 31, 2015 increased by $6.2 million due to the sale of a pool of portfolio residential mortgage loans during the current quarter. Other income increased during the three months ended March 31, 2015 to $9.5 million as a result of additional activity as the result of the Sterling Merger.

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Non-Interest Expense 

Non-interest expense for the three months ended March 31, 2015 was $193.1 million, an increase of $96.6 million, or 100.1%, as compared to the same period in 2014. The following table presents the key elements of non-interest expense for the three months ended March 31, 2015 and 2014: 

Non-Interest Expense 

(in thousands)	Three Months Ended
	March 31,
						Change		Change
	2015		2014			Amount		Percent
Salaries and employee benefits	$	107,923	$	53,218		$	54,705	103	%
Net occupancy and equipment	32,150		16,501			15,649		95	%
Communications	4,794		2,902			1,892		65	%
Marketing	3,027		1,005			2,022		201	%
Services	13,988		5,990			7,998		134	%
FDIC assessments	3,214		1,863			1,351		73	%
Net loss (gain) on other real estate owned	1,814		(64		)	1,878		nm
Intangible amortization	2,806		1,194			1,612		135	%
Merger related expenses	14,082		5,983			8,099		135	%
Other expenses	9,300		7,926			1,374		17	%
Total	$	193,098	$	96,518		$	96,580	100	%
nm = Not Meaningful

Salaries and employee benefits costs increased by $54.7 million in the three months ended March 31, 2015, as compared to the same period prior year. The increase is primarily related to the increase in operations and personnel related to the Sterling Merger, as well as increased variable compensation expense associated with mortgage banking operations.

Net occupancy and equipment expense increased by $15.6 million for the three months ended March 31, 2015, as compared to the same period in the prior year primarily as a result of operations and facilities acquired in the Sterling Merger.

FDIC assessments increased for the three months ended March 31, 2015 as compared to the same periods in the prior year, primarily as a result of the Sterling Merger due to an increase in the assessment base.

We incur significant expenses in connection with the completion and integration of bank acquisitions that are not capitalizable.  The merger related expenses incurred in 2014 and 2015 relate to the Sterling Merger. A detail of merger related expenses by type is included in Note 2 of the Notes to Condensed Consolidated Financial Statements.

The Sterling Merger was also the primary driver for the increases over the prior year periods for services, communications, marketing, intangible amortization and other expenses.

Income Taxes 

The Company's consolidated effective tax rate as a percentage of pre-tax income for the three months ended March 31, 2015 was 36.1%, as compared to 34.8% for the three months ended March 31, 2014. The effective tax rates differed from the federal statutory rate of 35% and the apportioned state rate of 4.9% (net of the federal tax benefit) principally because of the relative amount of income earned in each state jurisdiction, non-taxable income arising from bank-owned life insurance, income on tax-exempt investment securities and tax credits arising from low income housing investments.

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FINANCIAL CONDITION 

Investment Securities 

Trading securities were $10.5 million at March 31, 2015, as compared to $10.0 million at December 31, 2014. This increase is primarily attributable to an increase in the assets held in connection with Rabbi Trusts. 

Investment securities available for sale were $2.5 billion as of March 31, 2015, as compared to $2.3 billion at December 31, 2014.  The increase was due to $394.9 million of purchases, partially offset by sales and paydowns of $165.1 million.

Investment securities held to maturity were $5.0 million as of March 31, 2015, as compared to holdings of $5.2 million at December 31, 2014. The change primarily related to paydowns and maturities of investment securities held to maturity of $164,000. 

The following table presents the available for sale and held to maturity investment securities portfolio by major type as of March 31, 2015 and December 31, 2014: 

Investment Securities Composition

(dollars in thousands)	Investment Securities Available for Sale
	March 31, 2015				December 31, 2014
	Fair Value		%		Fair Value		%
U.S. Treasury and agencies	$	229	—	%	$	229	—	%
Obligations of states and political subdivisions	337,602		13	%	338,404		15	%
Residential mortgage-backed securities and collateralized mortgage obligations	2,195,201		87	%	1,957,852		85	%
Investments in mutual funds and other equity securities	2,089		—	%	2,070		—	%
Total	$	2,535,121	100	%	$	2,298,555	100	%

(dollars in thousands)	Investment Securities Held to Maturity
	March 31, 2015				December 31, 2014
	Amortized				Amortized
	Cost		%		Cost		%
Residential mortgage-backed securities and collateralized mortgage obligations	$	4,953	100	%	$	5,088	98	%
Other investment securities	—		—	%	123		2	%
Total	$	4,953	100	%	$	5,211	100	%

We review investment securities on an ongoing basis for the presence of other-than-temporary impairment ("OTTI") or permanent impairment, taking into consideration current market conditions, fair value in relationship to cost, extent and nature of the change in fair value, issuer rating changes and trends, whether we intend to sell a security or if it is likely that we will be required to sell the security before recovery of our amortized cost basis of the investment, which may be maturity, and other factors.   

Gross unrealized losses in the available for sale investment portfolio was $7.9 million at March 31, 2015.  This consisted primarily of unrealized losses on residential mortgage-backed securities and collateralized mortgage obligations of $7.4 million.  The unrealized losses were primarily caused by interest rate increases subsequent to the purchase of the securities, and not credit quality.  In the opinion of management, these securities are considered only temporarily impaired due to changes in market interest rates or the widening of market spreads subsequent to the initial purchase of the securities, and not due to concerns regarding the underlying credit of the issuers or the underlying collateral.

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Restricted Equity Securities 

Restricted equity securities were $117.2 million at March 31, 2015 and $119.3 million at December 31, 2014 with the decrease attributable to redemptions of FHLB stock during the three months ended March 31, 2015. Of the $117.2 million at March 31, 2015, $115.8 million represented the Bank's investment in the FHLBs of Seattle and San Francisco. FHLB stock is carried at par and does not have a readily determinable fair value. Ownership of FHLB stock is restricted to the FHLB and member institutions, and can only be purchased and redeemed at par. 

Loans and Leases

Loans andLeases, net 

Total loans and leases outstanding at March 31, 2015 were $15.5 billion, an increase of $221.2 million as compared to year-end 2014. The increase included net new loan and lease originations of $303.6 million, partially offset by loans sold of $72.8 million, charge-offs of $12.5 million, and transfers to other real estate owned of $1.5 million during the period.

The following table presents the concentration distribution of the loan and lease portfolio, net of deferred fees and costs, as of March 31, 2015 and December 31, 2014.

Loan and Lease Concentrations 

(dollars in thousands)	March 31, 2015				December 31, 2014
	Amount		Percentage		Amount		Percentage
Commercial real estate
Non-owner occupied term, net	$	3,303,629	21.1	%	$	3,290,610	21.5	%
Owner occupied term, net	2,577,484		16.6	%	2,633,864		17.2	%
Multifamily, net	2,764,403		17.8	%	2,638,618		17.2	%
Construction & development, net	238,303		1.5	%	258,722		1.7	%
Residential development, net	81,160		0.5	%	81,846		0.5	%
Commercial
Term, net	1,128,986		7.3	%	1,102,987		7.2	%
LOC & other, net	1,275,871		8.2	%	1,322,722		8.6	%
Leases and equipment finance, net	570,492		3.7	%	523,114		3.4	%
Residential
Mortgage, net	2,330,325		15.0	%	2,233,735		14.6	%
Home equity loans & lines, net	863,269		5.6	%	852,478		5.6	%
Consumer & other, net	415,035		2.7	%	389,036		2.5	%
Total, net of deferred fees and costs	$	15,548,957	100.0	%	$	15,327,732	100.0	%

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Asset Quality and Non-Performing Assets 

Non-Performing Assets 

The following table summarizes our non-performing assets and restructured loans as of March 31, 2015 and December 31, 2014:   

(in thousands)	March 31,			December 31,
	2015			2014
Loans and leases on non-accrual status	$	40,246		$	52,041
Loans and leases past due 90 days or more and accruing	10,416			7,512
Total non-performing loans and leases	50,662			59,553
Other real estate owned	32,064			37,942
Total non-performing assets	$	82,726		$	97,495
Restructured loans (1)	$	60,896		$	54,836
Allowance for loan and lease losses	$	120,104		$	116,167
Reserve for unfunded commitments	3,194			3,539
Allowance for credit losses	$	123,298		$	119,706
Asset quality ratios:
Non-performing assets to total assets	0.36		%	0.43		%
Non-performing loans and leases to total loans and leases	0.33		%	0.39		%
Allowance for loan and leases losses to total loans and leases	0.77		%	0.76		%
Allowance for credit losses to total loans and leases	0.79		%	0.78		%
Allowance for credit losses to total non-performing loans and leases	243		%	201		%

(1) Represents accruing restructured loans performing according to their restructured terms. 

The Bank has written down impaired, non-accrual loans as of March 31, 2015 to their estimated net realizable value and expects resolution with no additional material loss, absent further decline in market prices. The following tables summarize our non-performing loans and leases by loan type as of March 31, 2015 and December 31, 2014: 

Non-Performing Loans by Type

(in thousands)	March 31,		December 31,
	2015		2014
Commercial real estate
Non-owner occupied term, net	$	9,399	$	9,240
Owner occupied term, net	9,219		8,292
Multifamily, net	—		300
Commercial
Term, net	18,002		19,100
LOC & other, net	1,714		10,048
Leases and equipment finance, net	3,358		5,779
Residential
Mortgage, net	7,510		4,944
Home equity loans & lines, net	1,164		1,364
Consumer & other, net	296		486
Total	$	50,662	$	59,553

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The Company has performed, and will continue to perform, extensive reviews of our permanent commercial real estate portfolio, including stress testing.  We performed reviews on both our non-owner and owner occupied credits to verify leasing status, to ensure the accuracy of risk ratings, and to develop proactive action plans with borrowers on projects where debt service coverage has dropped below the Bank's benchmark.  There can be no assurance that any further declines in economic conditions, such as potential increases in retail or office vacancy rates, will exceed the projected assumptions utilized in the stress testing and may result in additional non-performing loans in the future.  

Restructured Loans 

At March 31, 2015 and December 31, 2014, impaired loans of $60.9 million and $54.8 million, respectively, were classified as performing restructured loans.  The restructurings were granted in response to borrower financial difficulty, and generally provide for a temporary modification of loan repayment terms. The performing restructured loans on accrual status represent principally the only impaired loans accruing interest at March 31, 2015.  In order for a restructured loan to be considered performing and on accrual status, the loan's collateral coverage generally will be greater than or equal to 100% of the loan balance, the loan must be current on payments, and the borrower must either prefund an interest reserve or demonstrate the ability to make payments from a verified source of cash flow.

A further decline in the economic conditions in our general market areas or other factors could adversely impact individual borrowers or the loan portfolio in general. Accordingly, there can be no assurance that loans will not become 90 days or more past due, become impaired or placed on non-accrual status, restructured or transferred to other real estate owned in the future.

Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments 

The ALLL totaled $120.1 million at March 31, 2015, an increase of $3.9 million from $116.2 million at December 31, 2014. The following table shows the activity in the ALLL for the three months ended March 31, 2015 and 2014: 

Allowance forLoan and Lease Losses 

(in thousands)	Three months ended
	March 31,
	2015			2014
Balance, beginning of period	$	116,167		$	95,085
Charge-offs	(12,545		)	(6,234		)
Recoveries	3,845			2,207
Net charge-offs	(8,700		)	(4,027		)
Provision charged to operations	12,637			5,971
Balance, end of period	$	120,104		$	97,029
As a percentage of average loans and leases (annualized):
Net charge-offs	0.23		%	0.21		%
Provision for loan and lease losses	0.33		%	0.31		%
Recoveries as a percentage of charge-offs	30.65		%	35.40		%

The increase in allowance for loan and lease losses as of March 31, 2015 compared to the same period of the prior year was primarily the result of growth in our loan and lease portfolios, partially offset by continued stabilizing credit quality characteristics of the portfolio. Additional discussion on the change in provision for loan and lease losses is provided under the heading Provision for Loan and LeaseLosses above.

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The following table sets forth the allocation of the allowance for loan and lease losses and percent of loans in each category to total loans and leases (excluding deferred loan fees) as of March 31, 2015 and December 31, 2014: 

(dollars in thousands)	March 31, 2015				December 31, 2014
	Amount		%		Amount		%
Commercial real estate	$	55,182	57.5	%	$	55,184	58.1	%
Commercial	44,200		19.2	%	41,216		19.2	%
Residential	16,221		20.6	%	15,922		20.2	%
Consumer & other	4,501		2.7	%	3,845		2.5	%
Allowance for loan and lease losses	$	120,104			$	116,167

At March 31, 2015, the recorded investment in loans classified as impaired totaled $94.3 million, with a corresponding valuation allowance (included in the allowance for loan and lease losses) of $1.4 million.  The valuation allowance on impaired loans represents the impairment reserves on performing current and former restructured loans and nonaccrual loans. At December 31, 2014, the total recorded investment in impaired loans was $102.6 million, with a corresponding valuation allowance (included in the allowance for loan and lease losses) of $1.4 million.  

The following table presents a summary of activity in the reserve for unfunded commitments ("RUC"):  

Summary of Reserve for Unfunded Commitments Activity 

(in thousands)	Three months ended
	March 31,
	2015			2014
Balance, beginning of period	$	3,539		$	1,436
Net change to other expense	(345		)	(19		)
Balance, end of period	$	3,194		$	1,417

We believe that the ALLL and RUC at March 31, 2015 are sufficient to absorb losses inherent in the loan and lease portfolio and credit commitments outstanding as of that date based on the best information available. This assessment, based in part on historical levels of net charge-offs, loan and lease growth, and a detailed review of the quality of the loan and lease portfolio, involves uncertainty and judgment. Therefore, the adequacy of the ALLL and RUC cannot be determined with precision and may be subject to change in future periods. In addition, bank regulatory authorities, as part of their periodic examination of the Bank, may require additional charges to the provision for loan and lease losses in future periods if warranted as a result of their review.

Residential Mortgage Servicing Rights 

The following table presents the key elements of our residential mortgage servicing rights portfolio for the three months ended March 31, 2015 and 2014: 

Summary of Residential Mortgage Servicing Rights 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	117,259		$	47,765
Additions for new MSR capitalized	8,837			2,408
Changes in fair value:
Due to changes in model inputs or assumptions(1)	(4,143		)	(1,087		)
Other(2)	(5,588		)	134
Balance, end of period	$	116,365		$	49,220

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(1) Principally reflects changes in discount rates and prepayment speed assumptions, which are primarily affected by changes in interest rates.

(2) Represents changes due to collection/realization of expected cash flows over time.

Information related to our residential serviced loan portfolio as of March 31, 2015 and December 31, 2014 was as follows: 

(dollars in thousands)	March 31, 2015			December 31, 2014
Balance of residential loans serviced for others	$	11,874,910		$	11,590,310
MSR as a percentage of serviced loans	0.98		%	1.01		%

Mortgage servicing rights are adjusted to fair value quarterly with the change recorded in mortgage banking revenue.

Goodwill and Other Intangibles Assets

At March 31, 2015 and December 31, 2014, we had goodwill of $1.8 billion.  Goodwill of $1.0 billion was recorded during 2014 in connection with the Sterling Merger. No goodwill impairment losses have been recognized in the periods presented. 

At March 31, 2015, we had other intangible assets of $53.9 million, as compared to $56.7 million at December 31, 2014.   Other intangibles of $54.6 million were recorded in connection with the Sterling Merger.

Deposits 

Total deposits were $17.2 billion at March 31, 2015, an increase of $330.5 million, as compared to December 31, 2014. The increase is attributable to increases in non-maturity deposit types, offset by a decrease in total time deposits.

The following table presents the deposit balances by major category as of March 31, 2015 and December 31, 2014: 

(dollars in thousands)	March 31, 2015				December 31, 2014
	Amount		Percentage		Amount		Percentage
Non-interest bearing	$	4,930,642	29	%	$	4,744,804	28	%
Interest bearing demand	2,085,368		12	%	2,054,994		12	%
Money market	6,287,165		36	%	6,113,138		36	%
Savings	1,022,829		6	%	971,185		6	%
Time, $100,000 or greater	1,918,565		11	%	1,765,721		10	%
Time, less than $100,000	977,997		6	%	1,242,257		8	%
Total	$	17,222,566	100	%	$	16,892,099	100	%

At March 31, 2015 and December 31, 2014, the Company's brokered deposits totaled $871.7 million and $866.2 million, respectively.  

Borrowings 

At March 31, 2015, the Bank had outstanding $321.2 million of securities sold under agreements to repurchase and no outstanding federal funds purchased balances. The Bank had outstanding term debt of $965.7 million at March 31, 2015. Term debt outstanding as of March 31, 2015 decreased $40.7 million since December 31, 2014. Advances from the FHLB amounted to $965.2 million of the total term debt and are secured by investment securities and loans secured by real estate.  The FHLB advances have fixed interest rates ranging from 0.41% to 7.10% and mature in 2015 through 2030.

Junior Subordinated Debentures 

We had junior subordinated debentures with carrying values of $352.1 million and $350.9 million at March 31, 2015 and December 31, 2014, respectively.  The increase is due to the change in fair value for the junior subordinated debentures selected to be carried at fair value. As of March 31, 2015, the majority of the junior subordinated debentures had interest rates that are adjustable on a quarterly basis based on a spread over three month LIBOR.  Interest expense for junior subordinated

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debentures increased for the three months ended March 31, 2015, compared to the same period in 2014, primarily resulting from junior subordinated debentures assumed in the Sterling Merger.  

Liquidity and Cash Flow 

The principal objective of our liquidity management program is to maintain the Bank's ability to meet the day-to-day cash flow requirements of our customers who either wish to withdraw funds or to draw upon credit facilities to meet their cash needs. 

We monitor the sources and uses of funds on a daily basis to maintain an acceptable liquidity position. One source of funds includes public deposits. Individual state laws require banks to collateralize public deposits, typically as a percentage of their public deposit balance in excess of FDIC insurance.  Public deposits represented 11.0% of total deposits at March 31, 2015 and 11.7% of total deposits at December 31, 2014. The amount of collateral required varies by state and may also vary by institution within each state, depending on the individual state's risk assessment of depository institutions. Changes in the pledging requirements for uninsured public deposits may require pledging additional collateral to secure these deposits, drawing on other sources of funds to finance the purchase of assets that would be available to be pledged to satisfy a pledging requirement, or could lead to the withdrawal of certain public deposits from the Bank. In addition to liquidity from core deposits and the repayments and maturities of loans and investment securities, the Bank can utilize established uncommitted federal funds lines of credit, sell securities under agreements to repurchase, borrow on a secured basis from the FHLB or issue brokered certificates of deposit.  

The Bank had available lines of credit with the FHLB totaling $4.6 billion at March 31, 2015, subject to certain collateral requirements, namely the amount of pledged loans and investment securities. The Bank had available lines of credit with the Federal Reserve totaling $667.0 million, subject to certain collateral requirements, namely the amount of certain pledged loans. The Bank had uncommitted federal funds line of credit agreements with additional financial institutions totaling $455.0 million at March 31, 2015. Availability of lines is subject to federal funds balances available for loan and continued borrower eligibility. These lines are intended to support short-term liquidity needs, and the agreements may restrict consecutive day usage. 

The Company is a separate entity from the Bank and must provide for its own liquidity. Substantially all of the Company's revenues are obtained from dividends declared and paid by the Bank. There were $36.5 million of dividends paid by the Bank to the Company in the three months ended March 31, 2015.  There are statutory and regulatory provisions that could limit the ability of the Bank to pay dividends to the Company. We believe that such restrictions will not have an adverse impact on the ability of the Company to fund its quarterly cash dividend distributions to common shareholders and meet its ongoing cash obligations, which consist principally of debt service on the outstanding junior subordinated debentures. As of March 31, 2015, the Company did not have any borrowing arrangements of its own. 

As disclosed in the ConsolidatedStatements of Cash Flows, net cash used in operating activities was $24.3 million during the three months ended March 31, 2015, with the difference between cash provided by operating activities and net income largely consisting of originations of loans held for sale of $862.2 million, offset by proceeds from the sale of loans held for sale of $775.3 million.  This compares to net cash provided by operating activities of $70.6 million during the three months ended March 31, 2014, with the difference between cash provided by operating activities and net income largely consisting of originations of loans held for sale of $204.4 million, offset by proceeds from the sale of loans held for sale of $245.4 million.

Net cash of $465.1 million used by investing activities during the three months ended March 31, 2015 consisted principally of purchases of investment securities available for sale of $394.9 million, net loan originations of $303.6 million, offset by proceeds from investment securities available for sale of $165.1 million and proceeds from sale of loans and leases of $79.6 million.   This compares to net cash of $48.0 million provided by investing activities during the three months ended March 31, 2014, which consisted principally of proceeds from investment securities available for sale of $93.2 million and proceeds from the sale of loans and leases of $22.3 million, partially offset by net loan originations of $61.3 million, and purchases of premises and equipment of $8.2 million.

Net cash of $265.1 million provided by financing activities during the three months ended March 31, 2015 primarily consisted of $332.0 million increase in net deposits, offset by the dividends paid on common stock of $33.1 million, and the $40.0 million repayment of term debt. This compares to net cash of $176.1 million provided by financing activities during the three months ended March 31, 2014, which consisted primarily of $156.0 million increase in net deposits and an increase in securities sold under agreements to repurchase of $37.6 million, offset by $16.9 million in dividends paid on common stock.

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Although we expect the Bank's and the Company's liquidity positions to remain satisfactory during 2015, it is possible that our deposit balance for 2015 may not be maintained at previous levels due to pricing pressure or, in order to generate deposit growth, our pricing may need to be adjusted in a manner that results in increased interest expense on deposits.

Off-balance-Sheet Arrangements 

Information regarding Off-Balance-Sheet Arrangements is included in Note 9 of the Notes to Condensed Consolidated Financial Statements.

Concentrations of Credit Risk 

Information regarding Concentrations of Credit Risk is included in Note 9 of the Notes to Condensed Consolidated Financial Statements.

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Capital Resources 

Shareholders' equity at March 31, 2015 was $3.8 billion, an increase of $23.3 million from December 31, 2014. The increase in shareholders' equity during the three months ended March 31, 2015 was principally due to net income for the quarter offset by the quarterly dividend.

The following table shows the Company's consolidated and the Bank's capital adequacy ratios compared to the regulatory minimum capital ratio and the regulatory minimum capital ratio needed to qualify as a "well-capitalized" institution, as calculated under regulatory guidelines of BASEL III at March 31, 2015 and as calculated under regulatory guidelines of BASEL I at December 31, 2014: 

(dollars in thousands)					For Capital				To be Well
	Actual				Adequacy purposes				Capitalized
	Amount		Ratio		Amount		Ratio		Amount		Ratio
As of March 31, 2015
Total Capital
(to Risk Weighted Assets)
Consolidated	$	2,403,428	14.72	%	$	1,304,730	8.00	%	$	1,630,912	10.00	%
Umpqua Bank	$	2,209,489	13.54	%	$	1,305,052	8.00	%	$	1,631,315	10.00	%
Tier I Capital
(to Risk Weighted Assets)
Consolidated	$	1,934,267	11.85	%	$	978,547	6.00	%	$	978,547	8.00	%
Umpqua Bank	$	2,086,298	12.79	%	$	978,789	6.00	%	$	1,305,052	8.00	%
Tier I Common
(to Risk Weighted Assets)
Consolidated	$	1,818,979	11.14	%	733,910		4.50	%	1,060,093		6.50	%
Umpqua Bank	$	2,086,298	12.79	%	$	734,092	4.50	%	$	1,060,355	6.50	%
Tier I Capital
(to Average Assets)
Consolidated	$	1,934,267	9.33	%	$	829,359	4.00	%	$	1,036,699	5.00	%
Umpqua Bank	$	2,086,298	10.06	%	$	829,192	4.00	%	$	1,036,490	5.00	%
As of December 31, 2014
Total Capital
(to Risk Weighted Assets)
Consolidated	$	2,391,267	15.20	%	$	1,258,198	8.00	%	$	1,572,747	10.00	%
Umpqua Bank	$	2,181,776	13.90	%	$	1,255,819	8.00	%	$	1,569,774	10.00	%
Tier I Capital
(to Risk Weighted Assets)
Consolidated	$	2,271,563	14.44	%	$	629,099	4.00	%	$	943,648	6.00	%
Umpqua Bank	$	2,062,151	13.14	%	$	627,910	4.00	%	$	941,864	6.00	%
Tier I Capital
(to Average Assets)
Consolidated	$	2,271,563	10.99	%	$	827,128	4.00	%	$	1,033,910	5.00	%
Umpqua Bank	$	2,062,151	9.96	%	$	828,061	4.00	%	$	1,035,076	5.00	%

The phase-in period for the final rules that revise the regulatory capital rules to incorporate certain revisions by the Basel Committee on Banking Supervision to the Basel capital framework ("Basel III") began for the Company on January 1, 2015, with full compliance with the final rules in their entirety required to be phased in on January 1, 2019.

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The final rules, among other things, include a new common equity Tier 1 capital ("CET1") to risk-weighted assets ratio, including a capital conservation buffer, which will gradually increase from 4.5% on January 1, 2015 to 7.0% on January 1, 2019. The final rules also raise the minimum ratio of Tier 1 capital to risk-weighted assets from 4.0% to 6.0% on January 1, 2015 to 8.5% on January 1, 2019, as well as require a minimum leverage ratio of 4.0%.

Under the final rules, as Umpqua grew above $15.0 billion in assets as a result of an acquisition, the combined trust preferred security debt issuances are required to be phased out of Tier 1 and into Tier 2 capital (75% starting in the first quarter of 2015 and 100% starting in the first quarter of 2016). The final rules also provide for a number of adjustments to and deductions from the new CET1. Under Basel III, the effects of certain accumulated other comprehensive items are not excluded; however, the Company and the Bank have made a one-time permanent election to continue to exclude these items in order to avoid significant variations in the level of capital depending on the impact of interest rate fluctuations on the fair value of the Company's securities portfolio. In addition, deductions include, for example, the requirement that mortgage servicing rights, certain deferred tax assets not dependent upon future taxable income and significant investments in non-consolidated financial entities be deducted from CET1 to the extent that any one such category exceeds 10% of CET1 or all such categories in the aggregate exceed 15% of CET1.

The Company's dividend policy considers, among other things, earnings, regulatory capital levels, the overall payout ratio and expected asset growth to determine the amount of dividends declared, if any, on a quarterly basis. There is no assurance that future cash dividends on common shares will be declared or increased. The following table presents cash dividends declared and dividend payout ratios (dividends declared per common share divided by basic earnings per common share) for the three months ended March 31, 2015 and 2014:   

Cash Dividends and Payout Ratios per Common Share 

	Three months ended
	March 31,
	2015			2014
Dividend declared per common share	$	0.15		$	0.15
Dividend payout ratio	71		%	88		%

As of March 31, 2015, a total of 12.0 million shares are available for repurchase under the Company's current share repurchase plan. The timing and amount of future repurchases will depend upon the market price for our common stock, securities laws restricting repurchases, asset growth, earnings, and our capital plan.  In addition, our stock plans provide that option and award holders may pay for the exercise price and tax withholdings in part or whole by tendering previously held shares. 

Item 3.Quantitative and Qualitative Disclosures about Market Risk 

Our assessment of market risk as of March 31, 2015 indicates there are no material changes in the quantitative and qualitative disclosures from those in our Annual Report on Form 10-K for the year ended December 31, 2014.

Item 4.Controls and Procedures 

Our management, including our Chief Executive Officer, Chief Financial Officer and Principal Accounting Officer, has concluded that our disclosure controls and procedures are effective in timely alerting them to information relating to us that is required to be included in our periodic filings with the SEC. The disclosure controls and procedures were last evaluated by management as of March 31, 2015. 

No change in our internal controls occurred during the first quarter of 2015 that has materially affected, or is reasonably likely to materially affect, our internal controls over financial reporting.

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Part II. OTHERINFORMATION 

Item 1.Legal Proceedings 

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

In our Form 10-K for the period ending December 31, 2011, we initially reported on a class action lawsuit filed in the U.S. District Court for the Northern District of California against the Bank by Amber Hawthorne relating to overdraft fees and the posting order of point of sale and ACH items.   In March 2014, the parties reached an agreement to settle the case and have executed a comprehensive written settlement agreement. On September 15, 2014, the court entered an order granting a motion for preliminary approval of the class settlement and held a final approval hearing on February 19, 2015. On April 28, 2015, the court entered an Order Granting Final Approval of Class Action Settlement and Granting in Part Plaintiffs' Motion For Attorneys' Fees, Costs, and Enhancement Awards. Completion of the settlement of this matter on the agreed final terms will have no material adverse effect on the Company's consolidated financial position, results of operations or cash flows.

In our Form 10-K for the period ending December 31, 2013, we initially reported on two separate class action lawsuits filed in Spokane County, Washington, Superior Court against the Company and other defendants arising from the then-proposed Sterling Merger, which the court consolidated. The consolidated litigation generally alleged that directors of Sterling breached their duties to the Sterling shareholders by approving the Merger, failing to take steps to maximize shareholder value, engaging in a flawed sales process, and agreeing to deal protection provisions in the Merger agreement that are alleged to unduly favor the Company. The Company was alleged to have aided and abetted the alleged breaches of duty. The consolidated litigation also alleged that the disclosures approved by the Sterling board in connection with the Merger and the vote thereon were false and misleading in various respects. As relief, the complaints sought to enjoin the Merger and, among other things, damages in an unspecified amount and payment of plaintiffs' attorneys' fees and costs. The defendants believe that the lawsuits were without merit. On January 16, 2014, the parties executed a Memorandum of Understanding (the "MOU") that contained the essential terms of a settlement and dismissal of the consolidated cases. The MOU did not call for the payment of any money damages, but required the defendants to make certain additional disclosures relating to the Merger and to pay the attorney fees, costs, and expenses of plaintiffs' counsel incurred in connection with the action. The agreed additional disclosures were made and included in the joint proxy statement/prospectus filed January 22, 2014. On September 26, 2014, the parties to the litigation filed a notice of settlement with the court.  The court preliminarily approved the proposed settlement on December 5, 2014, and on March 27, 2015, the court issued an Order and Final Judgment approving the settlement and awarding attorney's fees to the plaintiffs' counsel. The settlement expressly disavowed any admission of wrongdoing or liability by any defendant.  

The Company assumed, as successor-in-interest to Sterling, the defense of litigation matters pending against Sterling. Sterling previously reported that on December 11, 2009, a putative securities class action complaint captioned City of Roseville Employees' Retirement System v. Sterling Financial Corp., et al., No. CV 09-00368-EFS, was filed in the United States District Court for the Eastern District of Washington against Sterling and certain of its current and former officers. On June 18, 2010, lead plaintiff filed a consolidated complaint alleging that the defendants violated sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 by making false and misleading statements concerning Sterling's business and financial results. Plaintiffs sought unspecified damages and attorneys' fees and costs. On August 30, 2010, Sterling moved to dismiss the Complaint, and the court granted the motion to dismiss without prejudice on August 5, 2013. On October 11, 2013, the lead plaintiff filed an amended consolidated complaint with the same defendants, class period, alleged violations, and relief sought. On January 24, 2014, Sterling moved to dismiss the amended consolidated complaint, and on September 17, 2014, the court entered an order dismissing the amended consolidated complaint in its entirety with no further leave to amend. On October 24, 2014, plaintiffs filed a Notice of Appeal to the U.S. Court of Appeals for the Ninth Circuit from the district court's order granting the motion to dismiss the amended consolidated complaint and appellant filed its opening brief on April 3, 2015.

See Note 9 of the Notes to the Condensed Consolidated Financial Statements for a discussion of the Company's involvement in litigation pertaining to Visa Inc. 

Item 1A.   Risk Factors 

In addition to the other information set forth in this report, including the updated risk factors stated below, you should carefully consider the factors discussed under "Part I--Item 1A--Risk Factors" in our Form 10-K for the year ended December 31, 2014.   These factors could materially and adversely affect our business, financial condition, liquidity, results of operations and capital position, and could cause our actual results to differ materially from our historical results or the results contemplated by the

74

forward-looking statements contained in this report.  There have been no material changes from the risk factors described in our Form 10-K.

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

(a)Not applicable  

(b)Not applicable 

(c)The following table provides information about repurchases of common stock by the Company during the quarter ended March 31, 2015: 

Period	Total number of Common Shares Purchased (1)	Average Price Paid per Common Share		Total Number of Shares Purchased as Part of Publicly Announced Plan (2)	Maximum Number of Remaining Shares that May be Purchased at Period End under the Plan
1/1/15-1/31/15	94,568	$	15.84	—	12,013,429
2/1/15-2/28/15	12,596	$	16.53	—	12,013,429
3/1/15-3/31/15	23,654	$	17.13	—	12,013,429
Total for quarter	130,818	$	16.14	—

(1) Common shares repurchased by the Company during the quarter consist of cancellation of 93,523 restricted stock awards and 30,715 restricted stock units to pay withholding taxes.  During the three months ended March 31, 2015, 6,580 common shares were repurchased in connection with option exercises and no shares were repurchased pursuant to the Company's publicly announced corporate stock repurchase plan described in (2) below.

(2) The Company's share repurchase plan, which was first approved by its Board of Directors and announced in August 2003, was amended on September 29, 2011 to increase the number of common shares available for repurchase under the plan to 15 million shares.  The repurchase program was extended in April 2013 to run through June 2015. As of March 31, 2015, a total of 12.0 million shares remained available for repurchase. The timing and amount of future repurchases will depend upon the market price for our common stock, securities laws restricting repurchases, asset growth, earnings, and our capital plan.

Item 3.Defaults upon Senior Securities 

Not applicable

Item 4.Mine Safety Disclosures 

Not applicable

Item 5.Other Information 

Not applicable

Item 6.Exhibits  

The exhibits filed as part of this Report and exhibits incorporated herein by reference to other documents are listed in the Exhibit Index to this Report, which follows the signature page.

75

SIGNATURES 

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

		UMPQUA HOLDINGS CORPORATION
		(Registrant)
Dated	May 7, 2015	/s/ Raymond P. Davis
		Raymond P. Davis President and Chief Executive Officer
Dated	May 7, 2015	/s/ Ronald L. Farnsworth
		Ronald L. Farnsworth   Executive Vice President/ Chief Financial Officer and  Principal Financial Officer
Dated	May 7, 2015	/s/ Neal T. McLaughlin
		Neal T. McLaughlin Executive Vice President/Treasurer and  Principal Accounting Officer

76

EXHIBIT INDEX

Exhibit #	Description
3.1	(a) Restated Articles of Incorporation, as amended
3.2	(b) Bylaws, as amended
4.1	(c) Specimen Common Stock Certificate
4.2	The Company agrees to furnish upon request to the Commission a copy of each instrument defining the rights of holders of senior and subordinated debt of the Company.
31.1	Certification of Chief Executive Officer under Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer under Section 302 of the Sarbanes-Oxley Act of 2002
31.3	Certification of Principal Accounting Officer under Section 302 of the Sarbanes-Oxley Act of 2002
32	Certification of Chief Executive Officer, Chief Financial Officer and Principal Accounting Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

101.INS XBRL Instance Document *

101.SCH XBRL Taxonomy Extension Schema Document *

101.CAL XBRL Taxonomy Extension Calculation Linkbase Document *

101.DEF XBRL Taxonomy Extension Definition Linkbase Document *

101.LAB XBRL Taxonomy Extension Label Linkbase Document *

101.PRE XBRL Taxonomy Extension Presentation Linkbase Document *

* Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, or Section 18 of the Securities and

Exchange Act of 1934, as amended and otherwise are not subject to liability under those sections.

** Indicates compensatory plan or arrangement

(a)     Incorporated by reference to Exhibit 3.1 to Form 8-K filed May 7, 2014

(b)    Incorporated by reference to Exhibit 3.2 to Form 8-K filed April 22, 2008

(c)     Incorporated by reference to Exhibit 4 to the Registration Statement on Form S-8 (No. 333-77259) filed April 28, 1999

77

EX-31.1

EXHIBIT 31.1 

CERTIFICATION OF 

CHIEF EXECUTIVE OFFICER UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Raymond P. Davis, certify that:  

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

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

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

4. The registrant's other certifying officers 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 controls 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 officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's independent registered public accounting firm and the audit committee of registrant's board of directors (or persons performing the equivalent functions): 

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

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

Date: May 7, 2015

/s/ Raymond P. Davis

Raymond P. Davis

President and Chief Executive Officer

Umpqua Holdings Corporation

EX-31.2

EXHIBIT 31.2 

CERTIFICATION OF

PRINCIPAL FINANCIAL OFFICER UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Ronald L. Farnsworth, certify that:  

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

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

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

4. The registrant's other certifying officers 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 controls 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 officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's independent registered public accounting firm and the audit committee of registrant's board of directors (or persons performing the equivalent functions): 

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

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

Date: May 7, 2015

/s/ Ronald L. Farnsworth

Ronald L. Farnsworth

Executive Vice President/Chief Financial Officer and

Principal Financial Officer

Umpqua Holdings Corporation

EX-31.3

EXHIBIT 31.3 

CERTIFICATION OF

PRINCIPAL ACCOUNTING OFFICER UNDER SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Neal T. McLaughlin, certify that:  

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

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

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

4. The registrant's other certifying officers 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 controls 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 officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's independent registered public accounting firm and the audit committee of registrant's board of directors (or persons performing the equivalent functions): 

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

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

Date: May 7, 2015

/s/ Neal T. McLaughlin

Neal T. McLaughlin

Executive Vice President/Treasurer and

Principal Accounting Officer

Umpqua Holdings Corporation

EX-32

Exhibit 32

CERTIFICATION OF 

CHIEF EXECUTIVE OFFICER, PRINCIPAL FINANCIAL OFFICER AND PRINCIPAL ACCOUNTING OFFICER UNDER SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 

This certification is given by the undersigned Chief Executive Officer, Principal Financial Officer and Principal Accounting Officer of Umpqua Holdings Corporation (the “registrant”) pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.  Each of the undersigned hereby certifies, with respect to the registrant’s quarterly report on Form 10-Q for the period ended March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), 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 result of operations of the registrant. 

/s/ Raymond P. Davis

Raymond P. Davis

President and Chief Executive Officer

Umpqua Holdings Corporation

/s/ Ronald L. Farnsworth

Ronald L. Farnsworth

Executive Vice President/Chief Financial Officer and

Principal Financial Officer

Umpqua Holdings Corporation

/s/ Neal T. McLaughlin

Neal T. McLaughlin

Executive Vice President/Treasurer and

Principal Accounting Officer

Umpqua Holdings Corporation

May 7, 2015

XML

Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Schedule Of Carrying Value And Fair Value Of Financial Instruments Not Recorded At Fair Value

The following table presents estimated fair values of the Company's financial instruments as of March 31, 2015 and December 31, 2014, whether or not recognized or recorded at fair value in the Condensed Consolidated Balance Sheets: 

(in thousands)		March 31, 2015				December 31, 2014
		Carrying		Fair		Carrying		Fair
	Level	Value		Value		Value		Value
FINANCIAL ASSETS:
Cash and cash equivalents	1	$	1,380,874	$	1,380,874	$	1,605,171	$	1,605,171
Trading securities	1,2	10,452		10,452		9,999		9,999
Investment securities available for sale	2	2,535,121		2,535,121		2,298,555		2,298,555
Investment securities held to maturity	3	4,953		5,429		5,211		5,554
Loans held for sale, at fair value	2	406,487		406,487		286,802		286,802
Loans and leases, net	3	15,428,853		15,499,091		15,211,565		15,252,083
Restricted equity securities	1	117,218		117,218		119,334		119,334
Residential mortgage servicing rights	3	116,365		116,365		117,259		117,259
Bank owned life insurance assets	1	294,697		294,697		294,296		294,296
FDIC indemnification asset	3	1,861		524		4,417		2,058
Derivatives	2,3	44,776		44,776		29,210		29,210
Visa Class B common stock	3	—		49,607		—		49,663
FINANCIAL LIABILITIES:
Deposits	1,2	$	17,222,566	$	17,228,286	$	16,892,099	$	16,893,890
Securities sold under agreements to repurchase	2	321,202		321,202		313,321		313,321
Term debt	2	965,675		978,769		1,006,395		1,018,948
Junior subordinated debentures, at fair value	3	250,652		250,652		249,294		249,294
Junior subordinated debentures, at amortized cost	3	101,496		74,240		101,576		73,840
Derivatives	2	44,344		44,344		30,785		30,785

Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis

The following tables present information about the Company's assets and liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	92	$	—	$	92	$	—
Equity securities	5,868		5,868		—		—
Other investments securities(1)	4,492		—		4,492		—
Investment securities available for sale
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	337,602		—		337,602		—
Residential mortgage-backed securities and collateralized mortgage obligations	2,195,201		—		2,195,201		—
Investments in mutual funds and other equity securities	2,089		—		2,089		—
Loans held for sale, at fair value	406,487				406,487
Residential mortgage servicing rights, at fair value	116,365		—		—		116,365
Derivatives
Interest rate lock commitments	7,025		—		—		7,025
Interest rate forward sales commitments	264		—		264		—
Interest rate swaps	37,487		—		37,487		—
Total assets measured at fair value	$	3,113,201	$	5,868	$	2,983,943	$	123,390
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	250,652	$	—	$	—	$	250,652
Derivatives
Interest rate forward sales commitments	4,243		—		4,243		—
Interest rate swaps	40,101		—		40,101		—
Total liabilities measured at fair value	$	294,996	$	—	$	44,344	$	250,652

(in thousands)	December 31, 2014
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	124	$	—	$	124	$	—
Equity securities	5,283		5,283		—		—
Other investments securities(1)	4,592		—		4,592		—
Available for sale securities
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	338,404		—		338,404		—
Residential mortgage-backed securities and collateralized mortgage obligations	1,957,852		—		1,957,852		—
Investments in mutual funds and other equity securities	2,070		—		2,070		—
Loans held for sale, at fair value	286,802				286,802
Residential mortgage servicing rights, at fair value	117,259		—		—		117,259
Derivatives
Interest rate lock commitments	2,867		—		—		2,867
Interest rate forward sales commitments	16		—		16		—
Interest rate swaps	26,327		—		26,327		—
Total assets measured at fair value	$	2,741,825	$	5,283	$	2,616,416	$	120,126
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	249,294	$	—	$	—	$	249,294
Derivatives
Interest rate forward sales commitments	2,627		—		2,627		—
Interest rate swaps	28,158		—		28,158		—
Total liabilities measured at fair value	$	280,079	$	—	$	30,785	$	249,294

(1) Principally represents U.S. Treasury and agencies or residential mortgage-backed securities issued or guaranteed by governmental agencies. 

Schedule of a Description of the Valuation Technique, Unobservable Input, and Qualitative Information for the Company's Assets and Liabilities Classfied as Level 3

The following table provides a description of the valuation technique, significant unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring basis at March 31, 2015: 

Financial Instrument	Valuation Technique	Unobservable Input	Weighted Average (Range)
Residential mortgage servicing rights	Discounted cash flow
		Constant Prepayment Rate	13.44%
		Discount Rate	9.17%
Interest rate lock commitment	Internal Pricing Model
		Pull-through rate	81.90%
Junior subordinated debentures	Discounted cash flow
		Credit Spread	6.04%

Schedule Of Reconciliation Of Assets And Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) On A Recurring Basis

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three months ended March 31, 2015 and 2014. 

(in thousands)
Three Months Ended March 31,	Beginning Balance		Change included in earnings			Purchases and issuances		Sales and settlements			Ending Balance		Net change in unrealized gains or (losses) relating to items held at end of period
2015
Residential mortgage servicing rights	$	117,259	$	(9,731	)	$	8,837	$	—		$	116,365	$	(7,771	)
Interest rate lock commitment, net	2,867		(2,868		)	19,061		(12,036		)	7,025		7,025
Junior subordinated debentures, at fair value	249,294		3,878			—		(2,520		)	250,652		3,878
2014
Residential mortgage servicing rights	$	47,765	$	(953	)	$	2,408	$	—		$	49,220	$	(394	)
Interest rate lock commitment, net	706		(706		)	4,634		(3,240		)	1,394		1,394
Junior subordinated debentures, at fair value	87,274		1,490			—		(964		)	87,800		1,490

Fair Value Assets And Liabilities Measured On Nonrecurring Basis

(in thousands)	March 31, 2015
	Total		Level 1		Level 2		Level 3
Loans and leases	$	26,946	$	—	$	—	$	26,946
Other real estate owned	6,521		—		—		6,521
	$	33,467	$	—	$	—	$	33,467

(in thousands)	December 31, 2014
	Total		Level 1		Level 2		Level 3
Loans and leases	$	14,720	$	—	$	—	$	14,720
Other real estate owned	12,741		—		—		12,741
	$	27,461	$	—	$	—	$	27,461

Losses Resulting From Nonrecurring Fair Value Adjustments

The following table presents the losses resulting from nonrecurring fair value adjustments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Loans and leases	$	10,483	$	2,585
Other real estate owned	2,392		99
Total loss from nonrecurring measurements	$	12,875	$	2,684

Fair Value Option

The following table presents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans held for sale accounted for under the fair value option as of March 31, 2015 and December 31, 2014:

(in thousands)

March 31, 2015

December 31, 2014

Fair Value

Fair Value

Aggregate

Less Aggregate

Aggregate

Less Aggregate

Unpaid

Unpaid

Unpaid

Unpaid

Fair

Principal

Principal

Fair

Principal

Principal

Value

Balance

Balance

Value

Balance

Balance

Loans held for sale

$

406,487

$

389,056

$

17,431

$

286,802

$

274,245

$

12,557

XML

Loans and Leases (Summary Of Activity Related To The FDIC Indemnification Asset) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2013
Receivables [Abstract]
Balance, beginning of period	$ 4,417		$ 18,362	$ 23,174
Change in FDIC indemnification asset	(1,286)	(4,840)
Transfers to due from FDIC and other	(1,270)	28
Balance, end of period	$ 1,861	$ 4,417	$ 18,362	$ 23,174

XML

Investment Securities (Schedule Of Maturities Of Investment Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Investment Holdings [Line Items]
Available-for-sale Securities, Three months or less, Amortized Cost	$ 9,860
Available-for-sale Securities, Over three months through twelve months, Amortized Cost	56,364
Available-for-sale Securities, After one year through five years, Amortized Cost	1,486,535
Available-for-sale Securities, After five years through ten years, Amortized Cost	758,471
Available-for-sale Securities, After ten years, Amortized Cost	189,939
Available-for-sale Securities, Amortized Cost	2,503,185
Available-for-sale Securities, Three months or less, Fair Value	9,888
Available-for-sale Securities, Over three months through twelve months, Fair Value	57,003
Available-for-sale Securities, After one year through five years, Fair Value	1,513,798
Available-for-sale Securities, After five years through ten years, Fair Value	759,196
Available-for-sale Securities, After ten years, Fair Value	193,147
Available-for-sale Securities, Fair Value	2,535,121
Held-to-maturity Securities, Three months or less, Amortized Cost	0
Held-to-maturity Securities, Over three months through twelve months, Amortized Cost	0
Held-to-maturity Securities, After one year through five years, Amortized Cost	29
Held-to-maturity Securities, After five years through ten years, Amortized Cost	24
Held-to-maturity Securities, After ten years, Amortized Cost	4,900
Investment securities held to maturity	4,953	5,211
Held-to-maturity Securities, Three months or less, Fair Value	0
Held-to-maturity Securities, Over three months through twelve months, Fair Value	0
Held-to-maturity Securities, After one year through five years, Fair Value	30
Held-to-maturity Securities, After five years through ten years, Fair Value	25
Held-to-maturity Securities, After ten years, Fair Value	5,374
Held-to-maturity Securities, Fair Value	5,429	5,554
Other Investments Securities [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	2,016
Available-for-sale Securities, Fair Value	2,089
Investment securities held to maturity	0
Held-to-maturity Securities, Fair Value	$ 0

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Residential Mortgage Servicing Rights (Schedule Of Information Relates To Serviced Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Transfers and Servicing [Abstract]
Balance of loans serviced for others	$ 11,874,910	$ 11,590,310
MSR as a percentage of serviced loans	0.98%	1.01%

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Allowance for Loan and Lease Loss and Credit Quality (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2012
Financing Receivable, Allowance for Credit Losses [Line Items]
Deferred loan fees	$ (31,700,000)	$ (26,300,000)	$ (4,700,000)
Financing Receivable Modifications Recorded Investments	64,906,000	66,696,000
Restructured Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Financing Receivable Modifications Recorded Investments	60,900,000	54,800,000
Percentage of loan collateral balance	100.00%
Available commitments for troubled debt restructurings outstanding	$ 3,800,000	$ 1,000,000
Homogeneous [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Duration of time account is past due before risk rating is applied	30 days
Minimal Risk [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	1
Low Risk [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	2
Modest Risk [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	3
Average Risk [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	4
Acceptable Risk [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	5
Pass/Watch [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	6
Special Mention [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	7
Special Mention [Member] | Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	7
Special Mention [Member] | Homogeneous [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	30 days
Special Mention [Member] | Homogeneous [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	59 days
Special Mention [Member] | Homogeneous Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	7
Special Mention [Member] | Homogeneous Retail [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	30 days
Special Mention [Member] | Homogeneous Retail [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	89 days
Substandard [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	8
Substandard [Member] | Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	8
Substandard [Member] | Homogeneous [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	60 days
Substandard [Member] | Homogeneous [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	89 days
Substandard [Member] | Homogeneous Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	8
Substandard [Member] | Homogeneous Retail [Member] | Open-End Loan [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	90 days
Substandard [Member] | Homogeneous Retail [Member] | Open-End Loan [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	180 days
Substandard [Member] | Homogeneous Retail [Member] | Closed-End Loan [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	90 days
Substandard [Member] | Homogeneous Retail [Member] | Closed-End Loan [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	120 days
Doubtful [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	9
Doubtful [Member] | Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	9
Doubtful [Member] | Homogeneous [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	90 days
Doubtful [Member] | Homogeneous [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	179 days
Loss [Member] | Non-Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	10
Loss [Member] | Homogeneous [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	10
Loss [Member] | Homogeneous [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	180 days
Loss [Member] | Homogeneous Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Internal risk rating code	10
Loss [Member] | Homogeneous Retail [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	120 days
Loss [Member] | Homogeneous Retail [Member] | Maximum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	180 days
Loss [Member] | Homogeneous Retail [Member] | Open-End Loan [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	180 days
Loss [Member] | Homogeneous Retail [Member] | Closed-End Loan [Member] | Minimum [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Days past due on account for qualifying credit quality indicator	120 days

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Derivatives (Summary Of Types Of Derivatives, Separately By Assets And Liabilities And Fair Value Of Derivatives) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Interest Rate Lock Commitments [Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	$ 7,025	$ 2,867
Interest Rate Forward Sales Commitments [Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	264	16
Total liability derivatives	4,243	2,627
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	37,487	26,327
Total liability derivatives	40,101	28,158
Interest Rate Contracts [Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	44,776	29,210
Total liability derivatives	44,344	30,785
Interest Rate Contracts [Member] | Interest Rate Lock Commitments [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	7,025	2,867
Interest Rate Contracts [Member] | Interest Rate Lock Commitments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	0	0
Interest Rate Contracts [Member] | Interest Rate Forward Sales Commitments [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	264	16
Interest Rate Contracts [Member] | Interest Rate Forward Sales Commitments [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	4,243	2,627
Interest Rate Contracts [Member] | Interest Rate Swap [Member] | Other Assets[Member]
Derivatives, Fair Value [Line Items]
Total asset derivatives	37,487	26,327
Interest Rate Contracts [Member] | Interest Rate Swap [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total liability derivatives	$ 40,101	$ 28,158

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Investment Securities (Amortized Cost, Unrealized Gains And Losses, And Fair Value Of Investment Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	$ 2,503,185	$ 2,278,932
Available-for-sale Securities, Unrealized Gains	39,885	31,524
Available-for-sale Securities, Unrealized Losses	(7,949)	(11,901)
Available for sale, at fair value	2,535,121	2,298,555
Held to maturity, at amortized cost	4,953	5,211
Held-to-maturity Securities, Unrealized Gains	478	358
Held-to-maturity Securities, Unrealized Losses	(2)	(15)
Held-to-maturity Securities, Fair Value	5,429	5,554
U.S. Treasury And Agencies [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	213	213
Available-for-sale Securities, Unrealized Gains	16	16
Available-for-sale Securities, Unrealized Losses	0	0
Available for sale, at fair value	229	229
Obligations Of States And Political Subdivisions [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	321,744	325,189
Available-for-sale Securities, Unrealized Gains	16,398	14,056
Available-for-sale Securities, Unrealized Losses	(540)	(841)
Available for sale, at fair value	337,602	338,404
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	2,179,212	1,951,514
Available-for-sale Securities, Unrealized Gains	23,398	17,398
Available-for-sale Securities, Unrealized Losses	(7,409)	(11,060)
Available for sale, at fair value	2,195,201	1,957,852
Held to maturity, at amortized cost	4,953	5,088
Held-to-maturity Securities, Unrealized Gains	478	358
Held-to-maturity Securities, Unrealized Losses	(2)	(15)
Held-to-maturity Securities, Fair Value	5,429	5,431
Investments In Mutual Funds And Other Equity Securities [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Amortized Cost	2,016	2,016
Available-for-sale Securities, Unrealized Gains	73	54
Available-for-sale Securities, Unrealized Losses	0	0
Available for sale, at fair value	2,089	2,070
Other Investments Securities [Member]
Investment Holdings [Line Items]
Held to maturity, at amortized cost		123
Held-to-maturity Securities, Unrealized Gains		0
Held-to-maturity Securities, Unrealized Losses		0
Held-to-maturity Securities, Fair Value		$ 123

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Junior Subordinated Debentures (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Junior Subordinated Debentures

Following is information about the Company's wholly-owned trusts ("Trusts") as of March 31, 2015:  

(dollars in thousands)		Issued		Carrying			Effective
Trust Name	Issue Date	Amount		Value (1)		Rate (2)	Rate (3)	Maturity Date
AT FAIR VALUE:
Umpqua Statutory Trust II	October 2002	$	20,619	$	15,182	Floating rate, LIBOR plus 3.35%, adjusted quarterly	4.92%	October 2032
Umpqua Statutory Trust III	October 2002	30,928		22,961		Floating rate, LIBOR plus 3.45%, adjusted quarterly	5.01%	November 2032
Umpqua Statutory Trust IV	December 2003	10,310		7,188		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.48%	January 2034
Umpqua Statutory Trust V	December 2003	10,310		7,166		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.49%	March 2034
Umpqua Master Trust I	August 2007	41,238		23,670		Floating rate, LIBOR plus 1.35%, adjusted quarterly	2.81%	September 2037
Umpqua Master Trust IB	September 2007	20,619		13,834		Floating rate, LIBOR plus 2.75%, adjusted quarterly	4.50%	December 2037
Sterling Capital Trust III	April 2003	14,433		11,165		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.55%	April 2033
Sterling Capital Trust IV	May 2003	10,310		7,889		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.46%	May 2033
Sterling Capital Statutory Trust V	May 2003	20,619		15,841		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.57%	June 2033
Sterling Capital Trust VI	June 2003	10,310		7,867		Floating rate, LIBOR plus 3.20%, adjusted quarterly	4.54%	September 2033
Sterling Capital Trust VII	June 2006	56,702		33,710		Floating rate, LIBOR plus 1.53%, adjusted quarterly	3.00%	June 2036
Sterling Capital Trust VIII	September 2006	51,547		30,983		Floating rate, LIBOR plus 1.63%, adjusted quarterly	3.15%	December 2036
Sterling Capital Trust IX	July 2007	46,392		26,768		Floating rate, LIBOR plus 1.40%, adjusted quarterly	2.88%	October 2037
Lynnwood Financial Statutory Trust I	March 2003	9,279		7,050		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.50%	March 2033
Lynnwood Financial Statutory Trust II	June 2005	10,310		6,453		Floating rate, LIBOR plus 1.80%, adjusted quarterly	3.30%	June 2035
Klamath First Capital Trust I	July 2001	15,464		12,925		Floating rate, LIBOR plus 3.75%, adjusted semiannually	4.91%	July 2031
		$	379,390	$	250,652
AT AMORTIZED COST:
HB Capital Trust I	March 2000	$	5,310	$	6,147	10.875%	8.44%	March 2030
Humboldt Bancorp Statutory Trust I	February 2001	5,155		5,770		10.200%	8.41%	February 2031
Humboldt Bancorp Statutory Trust II	December 2001	10,310		11,204		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.04%	December 2031
Humboldt Bancorp Statutory Trust III	September 2003	27,836		30,182		Floating rate, LIBOR plus 2.95%, adjusted quarterly	2.50%	September 2033
CIB Capital Trust	November 2002	10,310		11,077		Floating rate, LIBOR plus 3.45%, adjusted quarterly	3.03%	November 2032
Western Sierra Statutory Trust I	July 2001	6,186		6,186		Floating rate, LIBOR plus 3.58%, adjusted quarterly	3.82%	July 2031
Western Sierra Statutory Trust II	December 2001	10,310		10,310		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.83%	December 2031
Western Sierra Statutory Trust III	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
Western Sierra Statutory Trust IV	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
		96,037		101,496
	Total	$	475,427	$	352,148

(1) Includes purchase accounting adjustments, net of accumulated amortization, for junior subordinated debentures assumed in connection with previous mergers as well as fair value adjustments related to trusts recorded at fair value. 

(2) Contractual interest rate of junior subordinated debentures. 

(3) Effective interest rate based upon the carrying value as of March 31, 2015. 

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Derivatives (Summary Of Types Of Derivatives And Gains (Losses) Recorded) (Details) (Interest Rate Contracts [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Derivative gains (losses)	$ (1,728)	$ (3,174)
Interest Rate Lock Commitments [Member] | Mortgage Banking Revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative gains (losses)	4,157	688
Interest Rate Forward Sales Commitments [Member] | Mortgage Banking Revenue [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative gains (losses)	(5,104)	(2,648)
Interest Rate Swap [Member] | Other Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative gains (losses)	$ (781)	$ (1,214)

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Junior Subordinated Debentures (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Debt Disclosure [Abstract]
Common stock issued by Trusts	$ 14,300,000		$ 14,300,000
Loss on junior subordinated debentures carried at fair value	$ 1,555,000	$ 542,000

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Segment Information (Summary Of Financial Information By Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Interest income	$ 229,860	$ 115,880
Interest expense	13,952	8,042
Net interest income	215,908	107,838
Provision for loan and lease losses	12,637	5,971
Non-interest income	63,595	23,238
Non-interest expense	193,098	96,518
Income before income taxes	73,768	28,587
Provision for income taxes	26,639	9,936
Net income	47,129	18,651	147,658
Dividends and undistributed earnings allocated to participating securities	84	113
Net earnings available to common shareholders	47,045	18,538
Total assets	22,953,158		22,609,903
Total loans and leases	15,548,957		15,327,732
Total deposits	17,222,566		16,892,099
Community Banking [Member]
Segment Reporting Information [Line Items]
Interest income	207,628	110,156
Interest expense	12,019	7,488
Net interest income	195,609	102,668
Provision for loan and lease losses	12,637	5,971
Non-interest income	28,955	12,718
Non-interest expense	167,092	89,334
Income before income taxes	44,835	20,081
Provision for income taxes	16,194	6,534
Net income	28,641	13,547
Dividends and undistributed earnings allocated to participating securities	84	113
Net earnings available to common shareholders	28,557	13,434
Total assets	20,262,775		20,095,189
Total loans and leases	13,339,829		13,181,463
Total deposits	17,160,722		16,850,682
Home Lending [Member]
Segment Reporting Information [Line Items]
Interest income	22,232	5,724
Interest expense	1,933	554
Net interest income	20,299	5,170
Provision for loan and lease losses	0	0
Non-interest income	34,640	10,520
Non-interest expense	26,006	7,184
Income before income taxes	28,933	8,506
Provision for income taxes	10,445	3,402
Net income	18,488	5,104
Dividends and undistributed earnings allocated to participating securities	0	0
Net earnings available to common shareholders	18,488	5,104
Total assets	2,690,383		2,514,714
Total loans and leases	2,209,128		2,146,269
Total deposits	$ 61,844		$ 41,417

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Allowance for Loan and Lease Loss and Credit Quality (Summary Of Reserve For Unfunded Commitments Activity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Reserve for Unfunded Commitments [Roll Forward]
Balance, beginning of period	$ 3,539	$ 1,436
Net change to other expense	(345)	(19)
Balance, end of period	3,194	1,417
Unfunded loan commitments	$ 3,993,400	$ 1,595,665

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Commitments and Contingencies (Schedule Of Commitments And Contingencies) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Loss Contingencies [Line Items]
Commitments and contingent liabilities
Commitments To Extend Credit [Member]
Loss Contingencies [Line Items]
Commitments and contingent liabilities	2,996,411
Commitments To Extend Overdrafts [Member]
Loss Contingencies [Line Items]
Commitments and contingent liabilities	940,366
Forward Sales Commitments [Member]
Loss Contingencies [Line Items]
Commitments and contingent liabilities	692,900
Commitments To Originate Loans Held For Sale [Member]
Loss Contingencies [Line Items]
Commitments and contingent liabilities	458,378
Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Commitments and contingent liabilities	$ 56,622

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Earnings Per Common Share (Computation Of Basic And Diluted Earnings (Loss) Per Common Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
NUMERATORS:
Net income	$ 47,129	$ 18,651	$ 147,658
Dividends and undistributed earnings allocated to participating securities	84	113
Net earnings available to common shareholders	$ 47,045	$ 18,538
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,349	112,170
Effect of potentially dilutive common shares	702	197
Weighted average number of common shares outstanding - diluted	221,051	112,367
EARNINGS PER COMMON SHARE:
Basic (in usd per share)	$ 0.21	$ 0.17
Diluted (in usd per share)	$ 0.21	$ 0.16

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Derivatives (Offsetting Derivatives Liabilities) (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Interest Rate Swap [Member]
Derivative Liabilities
Derivative Liabilities, Gross Amounts of Recognized Liabilities	$ 40,101	$ 28,158
Derivative Liabilities, Gross Amounts Offset in the Statement of Financial Position	0	0
Derivatives Liabilities, Net Amounts of Liabilities presented in the Statement of Financial Position	40,101	28,158
Derivative Liability, Fair Value, Amount Not Offset Against Collateral [Abstract]
Derivative Liabilities, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	(131)
Derivative Liabilities, Gross Amounts Not Offset in the Statement of Financial Position, Collateral Posted	(40,101)	(28,027)
Derivative Liabilities, Net Amount	$ 0	$ 0

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Earnings Per Common Share (Schedule Of Weighted Average Outstanding Securities Not Included In The Computation Of Diluted Earnings Per Common Share) (Details) (Stock Options [Member]) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive weighted average outstanding securities	0	336

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Derivatives (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 contracts	Mar. 31, 2014	Dec. 31, 2014
Credit Derivatives [Line Items]
Counterparty default losses on forward contracts	$ 0	$ 0
Commitments and contingent liabilities
Number of interest rate derivatives held	325
Termination value of derivatives in net liability position	41,000,000
CollateralPostingClearing	59,500,000		43,500,000
Decrease in settlement values of the Bank's derivative assets	(2,700,000)
Interest Rate Forward Sales Commitments [Member]
Credit Derivatives [Line Items]
Commitments and contingent liabilities	692,900,000
Commitments To Originate Loans Held For Sale [Member]
Credit Derivatives [Line Items]
Commitments and contingent liabilities	458,378,000
Interest Rate Swap [Member]
Credit Derivatives [Line Items]
Notional amount of credit risk derivatives	$ 1,500,000,000

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Residential Mortgage Servicing Rights (Key Assumptions Used In Measuring The Fair Value Of MSR) (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Transfers and Servicing [Abstract]
Constant prepayment rate	13.44%	12.39%
Discount rate	9.17%	9.17%
Weighted average life (years)	6 years	6 years 5 months

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Subsequent Event

3 Months Ended

Mar. 31, 2015

Subsequent Events [Abstract]

Subsequent Event

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Investment Securities (Investment Securities Pledged To Secure Borrowings And Public Deposits) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Investments, Debt and Equity Securities [Abstract]
To Federal Home Loan Bank to secure borrowings, Amortized Cost	$ 2,044
To Federal Home Loan Bank to secure borrowings, Fair Value	2,130
To state and local governments to secure public deposits, Amortized Cost	1,608,409
To state and local governments to secure public deposits, Fair Value	1,633,048
Other securities pledged principally to secure repurchase agreements, Amortized Cost	449,994
Other securities pledged principally to secure repurchase agreements, Fair Value	453,419
Total pledged securities, Amortized Cost	2,060,447
Total pledged securities, Fair Value	$ 2,088,597

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Business Combinations (Statement of Assets Acquired and Liabilities Assumed at Estimated Fair Values) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Apr. 18, 2014	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Fair value of liabilities assumed:
Goodwill		$ 1,788,640	$ 1,786,225	$ 764,305
Sterling Financial Corporation [Member]
Fair value of consideration:
Cash paid	136,200
Liability recorded for warrants' cash payment per share	6,453
Fair value of common shares issued	1,939,497
Fair value of warrants, common stock options, and restricted stock exchanged	50,317
Total consideration	2,132,467
Fair value of assets acquired:
Cash and equivalents	253,067
Investment securities	1,378,300
Loans held for sale	214,911
Non-covered loans and leases, net	7,123,168
Premises and equipment	116,576
Residential mortgage servicing rights	62,770
Other intangible assets	54,562
Other real estate owned	8,666
Bank owned life insurance	193,246
Deferred tax asset	300,015
Accrued interest receivable	23,553
Other assets	148,906
Total assets acquired	9,877,740
Fair value of liabilities assumed:
Deposits	7,086,052
Securities sold under agreements to repurchase	584,746
Term debt	854,737
Junior subordinated debentures	156,171
Other liabilities	87,902
Total liabilities assumed	8,769,608
Net assets acquired	1,108,132
Goodwill	$ 1,024,335

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Commitments and Contingencies (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015 properties	Mar. 31, 2014	Dec. 31, 2014
Loss Contingencies [Line Items]
Litigation settlement other company owned stock	$ 4,400,000,000
Number of non-cancelable operating leases	281
Rent expense	9,300,000	5,000,000
Rent income	118,000	177,000
Losses in connection with standby letters of credit	0	0
Standby letters of credit that expire thereafter	8,800,000
Standby letters of credit that expire within one year	47,800,000
Fair value of guarantee with standby letters of credit	1,100,000
Residential mortgage loan repurchase reserve liability	3,300,000
Concentration risk, percentage	80.00%		80.00%
Visa Inc [Member]
Loss Contingencies [Line Items]
Other company stock owned shares	483,806
Conversion ratio from Class B shares into Class A shares	164.83%
Value of the Class A shares	$ 65.48
Unredeemed Class A equivalent shares owned	$ 52,200,000

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Fair Value Measurement (Fair Value Option) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Fair Value	$ 406,487	$ 286,802
Aggregate Unpaid Balance	389,056	274,245
Fair Value Less Aggregate Unpaid Balance	$ 17,431	$ 12,557

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings (Loss) Per Common Share

The following is a computation of basic and diluted earnings per common share for the three months ended March 31, 2015 and 2014: 

(in thousands, except per share data)	Three Months Ended
	March 31,
	2015		2014
NUMERATORS:
Net income	$	47,129	$	18,651
Less:
Dividends and undistributed earnings allocated to participating securities (1)	84		113
Net earnings available to common shareholders	$	47,045	$	18,538
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,349		112,170
Effect of potentially dilutive common shares (2)	702		197
Weighted average number of common shares outstanding - diluted	221,051		112,367
EARNINGS PER COMMON SHARE:
Basic	$	0.21	$	0.17
Diluted	$	0.21	$	0.16

(1) Represents dividends paid and undistributed earnings allocated to nonvested restricted stock awards. 

(2) Represents the effect of the assumed exercise of stock options, vesting of non-participating restricted shares, and vesting of restricted stock units, based on the treasury stock method. 

Schedule Of Weighted Average Outstanding Securities Not Included In The Computation Of Diluted Earnings Per Common Share

The following table presents the weighted average outstanding securities that were not included in the computation of diluted earnings per common share because their effect would be anti-dilutive for the three months ended March 31, 2015 and 2014. 

(in thousands)	Three Months Ended
	March 31,
	2015	2014
Stock options	—	336

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Loans and Leases (Schedule Of Major Types Of Loans And Leases) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Receivables [Abstract]
Non-owner occupied term, net	$ 3,303,629	$ 3,290,610
Owner occupied term, net	2,577,484	2,633,864
Multifamily, net	2,764,403	2,638,618
Construction & development, net	238,303	258,722
Residential development, net	81,160	81,846
Term, net	1,128,986	1,102,987
LOC & other, net	1,275,871	1,322,722
Leases and equipment finance, net	570,492	523,114
Mortgage, net	2,330,325	2,233,735
Home equity loans & lines, net	863,269	852,478
Consumer & other, net	415,035	389,036
Total loans and leases, net of deferred fees and costs	$ 15,548,957	$ 15,327,732

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Goodwill and Other Intangible Assets (Finite-lived Intangible Assets Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2015	$ 8,419
2016	8,622
2017	6,756
2018	6,166
2019	5,618
Thereafter	18,346
Finite-Lived Intangible Assets, Net	$ 53,927	$ 56,733	$ 12,378

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Allowance for Loan and Lease Loss and Credit Quality (Schedule Of Average Recorded Investment And Interest Income Recognized) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 98,457	$ 103,256
Interest Income Recognized	583	720
Non-owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	38,071	51,674
With no related Allowance, Interest Income Recognized	323	349
Owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	15,606	12,293
With no related Allowance, Interest Income Recognized	65	77
Multifamily [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	3,669	645
With no related Allowance, Interest Income Recognized	31	0
Construction & Development [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	1,091	9,558
With no related Allowance, Interest Income Recognized	11	118
Residential Development [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	9,622	16,065
With no related Allowance, Interest Income Recognized	103	159
Term [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	19,907	10,643
With no related Allowance, Interest Income Recognized	3	4
LOC & Other [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	10,491	2,378
With no related Allowance, Interest Income Recognized	47	13
Mortgage [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	0	0
With no related Allowance, Interest Income Recognized	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	0	0
With no related Allowance, Interest Income Recognized	0	0
Consumer & Other [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	0	0
With no related Allowance, Interest Income Recognized	$ 0	$ 0

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Investment Securities (Schedule Of Fair Value And Unrealized Losses Of Securities) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Investment Holdings [Line Items]
Available-for-sale Securities, Less than 12 Months, Fair Value	$ 372,520	$ 231,677
Available-for-sale Securities, Less than 12 Months, Unrealized Losses	1,676	1,362
Available-for-sale Securities, 12 Months or Longer, Fair Value	366,386	503,646
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses	6,273	10,539
Available-for-sale Securities, Fair Value	738,906	735,323
Available-for-sale Securities, Unrealized Losses	7,949	11,901
Held-to-maturity Securities, Less than 12 Months, Fair Value	38	224
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses	2	15
Held-to-maturity Securities, 12 Months or Longer, Fair Value	0	0
Held-to-maturity Securities, 12 Months or Longer, Unrealized Losses	0	0
Held-to-maturity Securities, Fair Value	38	224
Held-to-maturity Securities, Unrealized Losses	2	15
Obligations Of States And Political Subdivisions [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Less than 12 Months, Fair Value	4,169	11,100
Available-for-sale Securities, Less than 12 Months, Unrealized Losses	434	547
Available-for-sale Securities, 12 Months or Longer, Fair Value	6,176	8,550
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses	106	294
Available-for-sale Securities, Fair Value	10,345	19,650
Available-for-sale Securities, Unrealized Losses	540	841
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Investment Holdings [Line Items]
Available-for-sale Securities, Less than 12 Months, Fair Value	368,351	220,577
Available-for-sale Securities, Less than 12 Months, Unrealized Losses	1,242	815
Available-for-sale Securities, 12 Months or Longer, Fair Value	360,210	495,096
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses	6,167	10,245
Available-for-sale Securities, Fair Value	728,561	715,673
Available-for-sale Securities, Unrealized Losses	7,409	11,060
Held-to-maturity Securities, Less than 12 Months, Fair Value	38	224
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses	2	15
Held-to-maturity Securities, 12 Months or Longer, Fair Value	0	0
Held-to-maturity Securities, 12 Months or Longer, Unrealized Losses	0	0
Held-to-maturity Securities, Fair Value	38	224
Held-to-maturity Securities, Unrealized Losses	$ 2	$ 15

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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 47,129	$ 18,651
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of investment premiums, net	5,605	4,000
Gain on sale of investment securities, net	(116)	0
Gain on sale of other real estate owned	(578)	(163)
Valuation adjustment on other real estate owned	2,392	99
Provision for loan and lease losses	12,637	5,971
Proceeds from bank owned life insurance	0	187
Change in cash surrender value of bank owned life insurance	(2,336)	(838)
Change in FDIC indemnification asset	1,286	4,840
Depreciation, amortization and accretion	11,490	4,280
Increase in mortgage servicing rights	(8,837)	(2,408)
Change in residential mortgage servicing rights carried at fair value	9,731	953
Change in junior subordinated debentures carried at fair value	1,358	526
Stock-based compensation	3,433	1,534
Net (increase) decrease in trading account assets	(453)	1,460
Gain on sale of loans	(34,692)	(9,684)
Change in loans held for sale carried at fair value	(4,875)	(324)
Origination of loans held for sale	(862,155)	(204,356)
Proceeds from sales of loans held for sale	775,309	245,405
Excess tax benefits from the exercise of stock options	(586)	(892)
Change in other assets and liabilities:
Net decrease in other assets	(329)	(678)
Net increase in other liabilities	20,253	2,077
Net cash (used) provided by operating activities	(24,334)	70,640
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of investment securities available for sale	(394,872)	0
Proceeds from investment securities available for sale	165,100	93,176
Proceeds from investment securities held to maturity	164	167
Redemption of restricted equity securities	2,116	737
Net loan and lease originations	(303,577)	(61,331)
Proceeds from sales of loans	79,575	22,272
Proceeds from disposals of furniture and equipment	2,318	30
Purchases of premises and equipment	(21,018)	(8,162)
Net payments to FDIC indemnification asset	(446)	(812)
Proceeds from sales of other real estate owned	5,528	1,914
Net cash (used) provided by investing activities	(465,112)	47,991
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit liabilities	331,988	155,999
Net increase in securities sold under agreements to repurchase	7,881	37,601
Repayment of term debt	(39,999)	0
Dividends paid on common stock	(33,109)	(16,936)
Excess tax benefits from stock based compensation	586	892
Proceeds from stock options exercised	22	3,112
Retirement of common stock	(2,220)	(4,614)
Net cash provided by financing activities	265,149	176,054
Net increase in cash and cash equivalents	(224,297)	294,685
Cash and cash equivalents, beginning of period	1,605,171	790,423
Cash and cash equivalents, end of period	1,380,874	1,085,108
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest	16,673	9,032
Income taxes	5,936	1,456
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Change in unrealized gains on investment securities available for sale, net of taxes	7,573	4,787
Change in unrealized losses on investment securities held to maturity related to factors other than credit, net of taxes	0	10
Cash dividend declared on common stock and payable after period-end	33,126	16,947
Transfer of loans to other real estate owned	1,464	1,878
Transfer from FDIC indemnification asset to due from FDIC and other	1,270	(28)
Receivable from BOLI death benefits	$ 1,935	$ 0

XML

Allowance for Loan and Lease Loss and Credit Quality (Internal Risk Rating By Loan Class) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	$ 15,548,957	$ 15,327,732	$ 7,763,691
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	8,964,979		4,601,659
Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,303,629	3,290,610
Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,577,484	2,633,864
Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,764,403	2,638,618
Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	238,303	258,722
Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	81,160	81,846
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,975,349		2,149,482
Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,128,986	1,102,987
LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,275,871	1,322,722
Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	570,492	523,114
Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,193,594		960,336
Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,330,325	2,233,735
Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	863,269	852,478
Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	415,035	389,036	52,214
Pass/Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	14,963,426	14,729,543
Percentage of impaired loans	5.70%	5.60%
Pass/Watch [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,055,623	3,027,777
Pass/Watch [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,418,407	2,475,944
Pass/Watch [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,737,917	2,610,039
Pass/Watch [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	230,038	248,547
Pass/Watch [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	68,668	68,789
Pass/Watch [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,072,456	1,055,728
Pass/Watch [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,239,239	1,281,628
Pass/Watch [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	561,150	513,104
Pass/Watch [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,310,287	2,215,956
Pass/Watch [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	857,187	846,277
Pass/Watch [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	412,454	385,754
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	189,063	213,806
Percentage of impaired loans	16.50%	15.10%
Special Mention [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	98,661	99,556
Special Mention [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	52,551	58,425
Special Mention [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	6,574	9,583
Special Mention [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,823	4,081
Special Mention [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	827	963
Special Mention [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	4,474	12,661
Special Mention [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	8,292	17,665
Special Mention [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	4,454	2,554
Special Mention [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,906	2,330
Special Mention [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	4,209	3,271
Special Mention [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,292	2,717
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	278,017	261,400
Percentage of impaired loans	77.30%	77.90%
Substandard [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	111,740	123,350
Substandard [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	88,585	81,567
Substandard [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	16,393	15,177
Substandard [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,351	5,003
Substandard [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,097	2,419
Substandard [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	30,598	15,219
Substandard [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	21,237	9,082
Substandard [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,545	3,809
Substandard [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,098	4,497
Substandard [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	316	1,079
Substandard [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	57	198
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	4,695	4,863
Percentage of impaired loans	0.10%	0.10%
Doubtful [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	235	821
Doubtful [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,415	309
Doubtful [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Doubtful [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Doubtful [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Doubtful [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	186	198
Doubtful [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	68	280
Doubtful [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	2,791	3,255
Doubtful [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Doubtful [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Doubtful [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	19,416	15,548
Percentage of impaired loans	0.40%	1.30%
Loss [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	334	0
Loss [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,259	1,674
Loss [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Loss [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Loss [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Loss [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	416	224
Loss [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	32	88
Loss [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	552	392
Loss [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	15,034	10,952
Loss [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,557	1,851
Loss [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	232	367
Impaired [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	94,340	102,572
Impaired [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	37,036	39,106
Impaired [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	15,267	15,945
Impaired [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	3,519	3,819
Impaired [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	1,091	1,091
Impaired [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	9,568	9,675
Impaired [Member] | Term [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	20,856	18,957
Impaired [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	7,003	13,979
Impaired [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Impaired [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Impaired [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	0	0
Impaired [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases, net	$ 0	$ 0

XML

Business Combinations (Schedule of Loans Acquired) (Details) (Sterling Financial Corporation [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Apr. 18, 2014
Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Contractually required principal payments	$ 604,136
Nonaccretable difference	(95,614)
Cash flows expected to be collected	508,522
Accretable yield	(110,757)
Balance of performing non-covered loans	$ 397,765

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Loans and Leases (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Schedule Of Major Types Of Non-Covered Loans

The following table presents the major types of loans and leases, net of deferred fees and costs, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31,		December 31,
	2015		2014
Commercial real estate
Non-owner occupied term, net	$	3,303,629	$	3,290,610
Owner occupied term, net	2,577,484		2,633,864
Multifamily, net	2,764,403		2,638,618
Construction & development, net	238,303		258,722
Residential development, net	81,160		81,846
Commercial
Term, net	1,128,986		1,102,987
LOC & other, net	1,275,871		1,322,722
Leases and equipment finance, net	570,492		523,114
Residential
Mortgage, net	2,330,325		2,233,735
Home equity loans & lines, net	863,269		852,478
Consumer & other, net	415,035		389,036
Total loans and leases, net of deferred fees and costs	$	15,548,957	$	15,327,732

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities

The following table presents the changes in the accretable yield for purchased impaired loans for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015
	Evergreen			Rainier			Nevada Security			Circle			Sterling			Total
Balance, beginning of period	$	9,466		$	49,989		$	23,666		$	796		$	117,782		$	201,699
Accretion to interest income	(1,722		)	(2,993		)	(2,892		)	(112		)	(5,564		)	(13,283		)
Disposals	(2,036		)	(632		)	(1,293		)	—			(2,952		)	(6,913		)
Reclassifications from (to) nonaccretable difference	2,240			1,654			1,149			37			(996		)	4,084
Balance, end of period	$	7,948		$	48,018		$	20,630		$	721		$	108,270		$	185,587
	Three Months Ended
	March 31, 2014
	Evergreen			Rainier			Nevada Security			Circle			Total
Balance, beginning of period	$	20,063		$	71,789		$	34,632		$	1,140		$	127,624
Accretion to interest income	(3,637		)	(4,281		)	(4,464		)	(87		)	(12,469		)
Disposals	(1,240		)	(987		)	(1,630		)	—			(3,857		)
Reclassifications from nonaccretable difference	974			1,402			2,953			—			5,329
Balance, end of period	$	16,160		$	67,923		$	31,491		$	1,053		$	116,627

Summary of Activity Related to the FDIC Indemnification Asset

The following table summarizes the activity related to the FDIC indemnification asset for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months ended
	March 31,
	2015			2014
Balance, beginning of period	$	4,417		$	23,174
Change in FDIC indemnification asset	(1,286		)	(4,840		)
Transfers to due from FDIC and other	(1,270		)	28
Balance, end of period	$	1,861		$	18,362

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized Cost, Unrealized Gains And Losses, And Fair Value Of Investment Securities

The following table presents the amortized costs, unrealized gains, unrealized losses and approximate fair values of investment securities at March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	321,744		16,398		(540		)	337,602
Residential mortgage-backed securities and collateralized mortgage obligations	2,179,212		23,398		(7,409		)	2,195,201
Investments in mutual funds and other equity securities	2,016		73		—			2,089
	$	2,503,185	$	39,885	$	(7,949	)	$	2,535,121
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	4,953	$	478	$	(2	)	$	5,429
	$	4,953	$	478	$	(2	)	$	5,429

(in thousands)	December 31, 2014
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	325,189		14,056		(841		)	338,404
Residential mortgage-backed securities and collateralized mortgage obligations	1,951,514		17,398		(11,060		)	1,957,852
Investments in mutual funds and other equity securities	2,016		54		—			2,070
	$	2,278,932	$	31,524	$	(11,901	)	$	2,298,555
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	5,088	$	358	$	(15	)	$	5,431
Other investment securities	123		—		—			123
	$	5,211	$	358	$	(15	)	$	5,554

Schedule Of Fair Value And Unrealized Losses Of Securities

March 31, 2015
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	4,169	$	434	$	6,176	$	106	$	10,345	$	540
Residential mortgage-backed securities and collateralized mortgage obligations	368,351		1,242		360,210		6,167		728,561		7,409
Total temporarily impaired securities	$	372,520	$	1,676	$	366,386	$	6,273	$	738,906	$	7,949
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	38	$	2	$	—	$	—	$	38	$	2
Total temporarily impaired securities	$	38	$	2	$	—	$	—	$	38	$	2

December 31, 2014
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	11,100	$	547	$	8,550	$	294	$	19,650	$	841
Residential mortgage-backed securities and collateralized mortgage obligations	220,577		815		495,096		10,245		715,673		11,060
Total temporarily impaired securities	$	231,677	$	1,362	$	503,646	$	10,539	$	735,323	$	11,901
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	224	$	15	$	—	$	—	$	224	$	15
Total temporarily impaired securities	$	224	$	15	$	—	$	—	$	224	$	15

Schedule Of Maturities Of Investment Securities

The following table presents the maturities of investment securities at March 31, 2015: 

(in thousands)	Available For Sale				Held To Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
AMOUNTS MATURING IN:
Three months or less	$	9,860	$	9,888	$	—	$	—
Over three months through twelve months	56,364		57,003		—		—
After one year through five years	1,486,535		1,513,798		29		30
After five years through ten years	758,471		759,196		24		25
After ten years	189,939		193,147		4,900		5,374
Other investment securities	2,016		2,089		—		—
	$	2,503,185	$	2,535,121	$	4,953	$	5,429

Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities

The following table presents the gross realized gains and gross realized losses on the sale of securities available for sale for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015				March 31, 2014
	Gains		Losses		Gains		Losses
Residential mortgage-backed securities and collateralized mortgage obligations	$	316	$	200	$	—	$	—
	$	316	$	200	$	—	$	—

Investment Securities Pledged To Secure Borrowings And Public Deposits

The following table presents, as of March 31, 2015, investment securities which were pledged to secure borrowings, public deposits, and repurchase agreements as permitted or required by law: 

(in thousands)	Amortized		Fair
	Cost		Value
To Federal Home Loan Bank to secure borrowings	$	2,044	$	2,130
To state and local governments to secure public deposits	1,608,409		1,633,048
Other securities pledged principally to secure repurchase agreements	449,994		453,419
Total pledged securities	$	2,060,447	$	2,088,597

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Allowance for Loan and Lease Loss and Credit Quality (Activity In The Allowance For Loan And Lease Losses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period, Allowance	$ 116,167	$ 95,085
Charge-offs	(12,545)	(6,234)
Recoveries	3,845	2,207
Provision (recapture)	12,637	5,971
Balance, end of period, Allowance	120,104	97,029
Collectively evaluated for impairment, Allowance	110,937	85,814
Individually evaluated for impairment, Allowance	1,400	1,358
Total, Allowance for non-covered loans and leases	120,104	97,029
Collectively evaluated for impairment, Loans and leases	14,933,493	7,323,294
Individually evaluated for impairment, Loans and leases	94,340	105,731
Total loans and leases, net of deferred fees and costs	15,548,957	7,763,691	15,327,732
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period, Allowance	55,184	59,538
Charge-offs	(727)	(2,241)
Recoveries	223	830
Provision (recapture)	502	(209)
Balance, end of period, Allowance	55,182	57,918
Collectively evaluated for impairment, Allowance	49,543	50,613
Individually evaluated for impairment, Allowance	1,081	1,343
Total, Allowance for non-covered loans and leases	55,182	57,918
Collectively evaluated for impairment, Loans and leases	8,475,620	4,223,962
Individually evaluated for impairment, Loans and leases	66,481	91,190
Total loans and leases, net of deferred fees and costs	8,964,979	4,601,659
Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period, Allowance	41,216	27,028
Charge-offs	(4,564)	(3,519)
Recoveries	1,071	1,102
Provision (recapture)	6,477	5,620
Balance, end of period, Allowance	44,200	30,231
Collectively evaluated for impairment, Allowance	41,436	27,000
Individually evaluated for impairment, Allowance	319	15
Total, Allowance for non-covered loans and leases	44,200	30,231
Collectively evaluated for impairment, Loans and leases	2,919,336	2,124,134
Individually evaluated for impairment, Loans and leases	27,859	14,541
Total loans and leases, net of deferred fees and costs	2,975,349	2,149,482
Residential [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period, Allowance	15,922	7,487
Charge-offs	(308)	(250)
Recoveries	31	162
Provision (recapture)	576	424
Balance, end of period, Allowance	16,221	7,823
Collectively evaluated for impairment, Allowance	15,521	7,242
Individually evaluated for impairment, Allowance	0	0
Total, Allowance for non-covered loans and leases	16,221	7,823
Collectively evaluated for impairment, Loans and leases	3,124,655	924,561
Individually evaluated for impairment, Loans and leases	0	0
Total loans and leases, net of deferred fees and costs	3,193,594	960,336
Consumer & Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period, Allowance	3,845	1,032
Charge-offs	(6,946)	(224)
Recoveries	2,520	113
Provision (recapture)	5,082	136
Balance, end of period, Allowance	4,501	1,057
Collectively evaluated for impairment, Allowance	4,437	959
Individually evaluated for impairment, Allowance	0	0
Total, Allowance for non-covered loans and leases	4,501	1,057
Collectively evaluated for impairment, Loans and leases	413,882	50,637
Individually evaluated for impairment, Loans and leases	0	0
Total loans and leases, net of deferred fees and costs	415,035	52,214	389,036
Receivables Acquired with Deteriorated Credit Quality [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans acquired with deteriorated credit quality, Allowance	7,767	9,857
Loans acquired with deteriorated credit quality, Loans and leases	521,100	334,666	562,900
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans acquired with deteriorated credit quality, Allowance	4,558	5,962
Loans acquired with deteriorated credit quality, Loans and leases	422,878	286,507
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans acquired with deteriorated credit quality, Allowance	2,445	3,216
Loans acquired with deteriorated credit quality, Loans and leases	28,154	10,807
Receivables Acquired with Deteriorated Credit Quality [Member] | Residential [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans acquired with deteriorated credit quality, Allowance	700	581
Loans acquired with deteriorated credit quality, Loans and leases	68,939	35,775
Receivables Acquired with Deteriorated Credit Quality [Member] | Consumer & Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Loans acquired with deteriorated credit quality, Allowance	64	98
Loans acquired with deteriorated credit quality, Loans and leases	$ 1,153	$ 1,577

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Business Combinations (Merger Related Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Business Acquisition [Line Items]
Total Merger related expense	$ 14,082	$ 5,983
Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Personnel	4,367
Legal and professional	3,913
Premises and Equipment	3,017
Communication	434
Other	2,351
Total Merger related expense	$ 14,082

XML

Allowance for Loan and Lease Loss and Credit Quality (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Activity In The Non-Covered Allowance For Loan And Lease Losses

The following table summarizes activity related to the allowance for loan and lease losses by loan and lease portfolio segment for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended March 31, 2015
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	55,184		$	41,216		$	15,922		$	3,845		$	116,167
Charge-offs	(727		)	(4,564		)	(308		)	(6,946		)	(12,545		)
Recoveries	223			1,071			31			2,520			3,845
Provision	502			6,477			576			5,082			12,637
Balance, end of period	$	55,182		$	44,200		$	16,221		$	4,501		$	120,104
	Three Months Ended March 31, 2014
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	59,538		$	27,028		$	7,487		$	1,032		$	95,085
Charge-offs	(2,241		)	(3,519		)	(250		)	(224		)	(6,234		)
Recoveries	830			1,102			162			113			2,207
Provision (recapture)	(209		)	5,620			424			136			5,971
Balance, end of period	$	57,918		$	30,231		$	7,823		$	1,057		$	97,029

The following table presents the allowance and recorded investment in loans and leases by portfolio segment as of March 31, 2015 and 2014: 

(in thousands)	March 31, 2015
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	49,543	$	41,436	$	15,521	$	4,437	$	110,937
Individually evaluated for impairment	1,081		319		—		—		1,400
Loans acquired with deteriorated credit quality	4,558		2,445		700		64		7,767
Total	$	55,182	$	44,200	$	16,221	$	4,501	$	120,104
Loans and leases:
Collectively evaluated for impairment	$	8,475,620	$	2,919,336	$	3,124,655	$	413,882	$	14,933,493
Individually evaluated for impairment	66,481		27,859		—		—		94,340
Loans acquired with deteriorated credit quality	422,878		28,154		68,939		1,153		521,124
Total	$	8,964,979	$	2,975,349	$	3,193,594	$	415,035	$	15,548,957

(in thousands)	March 31, 2014
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	50,613	$	27,000	$	7,242	$	959	$	85,814
Individually evaluated for impairment	1,343		15		—		—		1,358
Loans acquired with deteriorated credit quality	5,962		3,216		581		98		9,857
Total	$	57,918	$	30,231	$	7,823	$	1,057	$	97,029
Loans and leases:
Collectively evaluated for impairment	$	4,223,962	$	2,124,134	$	924,561	$	50,637	$	7,323,294
Individually evaluated for impairment	91,190		14,541		—		—		105,731
Loans acquired with deteriorated credit quality	286,507		10,807		35,775		1,577		334,666
Total	$	4,601,659	$	2,149,482	$	960,336	$	52,214	$	7,763,691

Schedule of Reserve for Unfunded Commitments and Unfunded Commitments

The following table presents a summary of activity in the RUC and unfunded commitments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	3,539		$	1,436
Net change to other expense	(345		)	(19		)
Balance, end of period	$	3,194		$	1,417

(in thousands)
	Total
Unfunded loan and lease commitments:
March 31, 2015	$	3,993,400
March 31, 2014	$	1,595,665

Non-Covered Loans Sold

The following table summarizes loans and leases sold by loan portfolio during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Commercial real estate
Non-owner occupied term	$	—	$	3,193
Owner occupied term	3,319		2,147
Multifamily	435		—
Residential development	—		605
Commercial
Term	2,340		15,996
Residential
Mortgage	66,753		331
Total	$	72,847	$	22,272

Non-Covered Non-Accrual Loans And Loans Past Due

The following table summarizes our non-accrual loans and leases and loans and leases past due, by loan and lease class, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	487	$	585	$	2,425	$	3,497	$	6,974	$	3,293,158	$	3,303,629
Owner occupied term, net	2,599		2,786		—		5,385		9,219		2,562,880		2,577,484
Multifamily, net	420		—		—		420		—		2,763,983		2,764,403
Construction & development, net	—		—		—		—		—		238,303		238,303
Residential development, net	—		—		—		—		—		81,160		81,160
Commercial
Term, net	1,108		3		21		1,132		17,981		1,109,873		1,128,986
LOC & other, net	927		664		103		1,694		1,611		1,272,566		1,275,871
Leases and equipment finance, net	2,349		1,552		—		3,901		3,358		563,233		570,492
Residential
Mortgage, net	1,485		340		6,874		8,699		636		2,320,990		2,330,325
Home equity loans & lines, net	1,471		1,454		731		3,656		433		859,180		863,269
Consumer & other, net	1,629		629		262		2,520		34		412,481		415,035
Total, net of deferred fees and costs	$	12,475	$	8,013	$	10,416	$	30,904	$	40,246	$	15,477,807	$	15,548,957

(1) Other includes purchased credit impaired loans of $521.1 million.

(in thousands)	December 31, 2014
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	452	$	—	$	283	$	735	$	8,957	$	3,280,918	$	3,290,610
Owner occupied term, net	2,304		347		—		2,651		8,292		2,622,921		2,633,864
Multifamily, net	—		512		—		512		300		2,637,806		2,638,618
Construction & development, net	1,091		—		—		1,091		—		257,631		258,722
Residential development, net	6,155		—		—		6,155		—		75,691		81,846
Commercial
Term, net	1,098		242		3		1,343		19,097		1,082,547		1,102,987
LOC & other, net	1,637		1,155		1,223		4,015		8,825		1,309,882		1,322,722
Leases and equipment finance, net	1,482		1,695		695		3,872		5,084		514,158		523,114
Residential
Mortgage, net	8		1,224		4,289		5,521		655		2,227,559		2,233,735
Home equity loans & lines, net	1,924		702		749		3,375		615		848,488		852,478
Consumer & other, net	2,133		498		270		2,901		216		385,919		389,036
Total, net of deferred fees and costs	$	18,284	$	6,375	$	7,512	$	32,171	$	52,041	$	15,243,520	$	15,327,732

(1) Other includes purchased credit impaired loans of $562.9 million

Non-Covered Impaired Loans

 The following table summarizes our impaired loans by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	41,615	$	14,936	$	22,100	$	502
Owner occupied term, net	15,531		8,203		7,064		361
Multifamily, net	3,519		—		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,568		—		9,568		162
Commercial
Term, net	29,026		20,600		256		12
LOC & other, net	14,515		1,611		5,392		307
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	622		—		—		—
Consumer & other, net	150		—		—		—
Total, net of deferred fees and costs	$	117,201	$	45,350	$	48,990	$	1,400

(in thousands)	December 31, 2014
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	42,793	$	16,916	$	22,190	$	502
Owner occupied term, net	16,339		8,290		7,655		364
Multifamily, net	4,040		300		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,670		—		9,675		166
Commercial
Term, net	31,733		18,701		256		12
LOC & other, net	18,761		8,575		5,404		308
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	626		—		—		—
Consumer & other, net	152		—		—		—
Total, net of deferred fees and costs	$	126,769	$	52,782	$	49,790	$	1,408

Schedule Of Average Recorded Investment And Interest Income Recognized

The following table summarizes our average recorded investment and interest income recognized on impaired loans by loan class for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended				Three Months Ended
	March 31, 2015				March 31, 2014
	Average		Interest		Average		Interest
	Recorded		Income		Recorded		Income
	Investment		Recognized		Investment		Recognized
Commercial real estate
Non-owner occupied term, net	$	38,071	$	323	$	51,674	$	349
Owner occupied term, net	15,606		65		12,293		77
Multifamily, net	3,669		31		645		—
Construction & development, net	1,091		11		9,558		118
Residential development, net	9,622		103		16,065		159
Commercial
Term, net	19,907		3		10,643		4
LOC & other, net	10,491		47		2,378		13
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	—		—		—		—
Consumer & other, net	—		—		—		—
Total, net of deferred fees and costs	$	98,457	$	583	$	103,256	$	720

Internal Risk Rating By Loan Class

The following table summarizes our internal risk rating by loan and lease class for the loan and lease portfolio as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,055,623	$	98,661	$	111,740	$	235	$	334	$	37,036	$	3,303,629
Owner occupied term, net	2,418,407		52,551		88,585		1,415		1,259		15,267		2,577,484
Multifamily, net	2,737,917		6,574		16,393		—		—		3,519		2,764,403
Construction & development, net	230,038		3,823		3,351		—		—		1,091		238,303
Residential development, net	68,668		827		2,097		—		—		9,568		81,160
Commercial
Term, net	1,072,456		4,474		30,598		186		416		20,856		1,128,986
LOC & other, net	1,239,239		8,292		21,237		68		32		7,003		1,275,871
Leases and equipment finance, net	561,150		4,454		1,545		2,791		552		—		570,492
Residential
Mortgage, net	2,310,287		2,906		2,098		—		15,034		—		2,330,325
Home equity loans & lines, net	857,187		4,209		316		—		1,557		—		863,269
Consumer & other, net	412,454		2,292		57		—		232		—		415,035
Total, net of deferred fees and costs	$	14,963,426	$	189,063	$	278,017	$	4,695	$	19,416	$	94,340	$	15,548,957

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.7%, 16.5%, 77.3%, 0.1%, and 0.4% respectively, as of March 31, 2015.

(in thousands)	December 31, 2014
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,027,777	$	99,556	$	123,350	$	821	$	—	$	39,106	$	3,290,610
Owner occupied term, net	2,475,944		58,425		81,567		309		1,674		15,945		2,633,864
Multifamily, net	2,610,039		9,583		15,177		—		—		3,819		2,638,618
Construction & development, net	248,547		4,081		5,003		—		—		1,091		258,722
Residential development, net	68,789		963		2,419		—		—		9,675		81,846
Commercial
Term, net	1,055,728		12,661		15,219		198		224		18,957		1,102,987
LOC & other, net	1,281,628		17,665		9,082		280		88		13,979		1,322,722
Leases and equipment finance, net	513,104		2,554		3,809		3,255		392		—		523,114
Residential
Mortgage, net	2,215,956		2,330		4,497		—		10,952		—		2,233,735
Home equity loans & lines, net	846,277		3,271		1,079		—		1,851		—		852,478
Consumer & other, net	385,754		2,717		198		—		367		—		389,036
Total, net of deferred fees and costs	$	14,729,543	$	213,806	$	261,400	$	4,863	$	15,548	$	102,572	$	15,327,732

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.6%, 15.1%, 77.9%, 0.1% and 1.3% respectively, as of December 31, 2014.

Schedule Of Troubled Debt Restructurings

The following table presents newly restructured loans that occurred during the three months ended March 31, 2015: 

(in thousands)	Three Months Ended March 31, 2015
	Rate		Term		Interest Only		Payment		Combination		Total
	Modifications		Modifications		Modifications		Modifications		Modifications		Modifications
Commercial, net	$	—	$	—	$	—	$	—	$	3,349	$	3,349
Residential, net	—		74		—		—		2,944		3,018
Total, net of deferred fees and costs	$	—	$	74	$	—	$	—	$	6,293	$	6,367

The following tables present troubled debt restructurings by accrual versus non-accrual status and by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,593	$	677	$	49,270
Commercial, net	8,718		3,333		12,051
Residential, net	3,585		—		3,585
Total, net of deferred fees and costs	$	60,896	$	4,010	$	64,906

(in thousands)	December 31, 2014
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,817	$	2,319	$	51,136
Commercial, net	5,404		9,541		14,945
Residential, net	615		—		615
Total, net of deferred fees and costs	$	54,836	$	11,860	$	66,696

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

(in thousands)	Goodwill
			Accumulated
	Gross		Impairment			Total
Balance, December 31, 2013	$	877,239	$	(112,934	)	$	764,305
Net additions	1,021,920		—			1,021,920
Balance, December 31, 2014	1,899,159		(112,934		)	1,786,225
Net additions	2,415		—			2,415
Balance, March 31, 2015	$	1,901,574	$	(112,934	)	$	1,788,640

Schedule of Finite-Lived Intangible Assets

(in thousands)	Other Intangible Assets
			Accumulated
	Gross		Amortization			Net
Balance, December 31, 2013	$	58,909	$	(46,531	)	$	12,378
Net additions	54,562		—			54,562
Amortization	—		(10,207		)	(10,207		)
Balance, December 31, 2014	113,471		(56,738		)	56,733
Net additions	—		—			—
Amortization	—		(2,806		)	(2,806		)
Balance, March 31, 2015	$	113,471	$	(59,544	)	$	53,927

Finite-lived Intangible Assets Amortization Expense

The table below presents the forecasted amortization expense for other intangible assets acquired in all mergers:

(in thousands)
	Expected
Year	Amortization
Remainder of 2015	$	8,419
2016	8,622
2017	6,756
2018	6,166
2019	5,618
Thereafter	18,346
	$	53,927

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Condensed Consolidated Statements of Changes In Shareholders' Equity (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock (in usd per share)		$ 0.60
Stock issuance costs	$ 784
Shares issued from exercise of warrants		2,889,896

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Residential Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2015

Transfers and Servicing [Abstract]

Schedule Of Changes In Mortgage Servicing Rights

The following table presents the changes in the Company's residential mortgage servicing rights ("MSR") for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	117,259		$	47,765
Additions for new MSR capitalized	8,837			2,408
Changes in fair value:
Due to changes in model inputs or assumptions(1)	(4,143		)	(1,087		)
Other(2)	(5,588		)	134
Balance, end of period	$	116,365		$	49,220

(1) Principally reflects changes in discount rates and prepayment speed assumptions, which are primarily affected by changes in interest rates. 

(2) Represents changes due to collection/realization of expected cash flows over time. 

Schedule Of Other Information Servicing Loan Portfolio

Information related to our residential mortgage serviced loan portfolio as of March 31, 2015 and December 31, 2014 is as follows: 

(dollars in thousands)	March 31, 2015			December 31, 2014
Balance of residential mortgage loans serviced for others	$	11,874,910		$	11,590,310
MSR as a percentage of serviced loans	0.98		%	1.01		%

Key Assumptions Used In Measuring The Fair Value of MSR

Key assumptions used in measuring the fair value of MSR as of March 31, 2015 and December 31, 2014 are as follows: 

	March 31, 2015		December 31, 2014
Constant prepayment rate	13.44	%	12.39	%
Discount rate	9.17	%	9.17	%
Weighted average life (years)	6.0		6.4

Sensitivity Analysis of Current Fair Value to Changes in Discount and Prepayment Speed Assumptions

A sensitivity analysis of the current fair value to changes in discount and prepayment speed assumptions as of March 31, 2015 and December 31, 2014 is as follows:

(in thousands)	March 31, 2015			December 31, 2014
Constant prepayment rate
Effect on fair value of a 10% adverse change	$	(5,095	)	$	(4,965	)
Effect on fair value of a 20% adverse change	$	(9,787	)	$	(9,547	)
Discount rate
Effect on fair value of a 100 basis point adverse change	$	(4,293	)	$	(4,539	)
Effect on fair value of a 200 basis point adverse change	$	(8,271	)	$	(8,771	)

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Shareholders' Equity and Stock Compensation (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options Outstanding, Balance, beginning of period	807
Options Outstanding, Granted/Assumed	0
Options Outstanding, Exercised	(18)
Options Outstanding, Forfeited/expired	(188)
Options Outstanding, Balance, end of period	601
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Avg Exercise Price, Balance beginning of period	$ 16.80
Weighted-Avg Exercise Price, Granted/Assumed	$ 0.00
Weighted-Avg Exercise Price, Exercised	$ 7.88
Weighted-Avg Exercise Price, Forfeited/expired	$ 23.99
Weighted Avg Exercise Price, Balance, end of period	$ 14.81
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable, end of year, Options Outstanding	509
Options exercisable, end of year, Weighted Avg. Exercise Price	$ 15.28
Weighted Avg Remaining Contractual Term	4 years 9 months
Options exercisable, end of period - Weighted-Avg Remaining Contractual Term	4 years 2 months 9 days
Aggregate Intrinsic Value	$ 2,392
Options exercisable, end of period - Aggregate Intrinsic Value	$ 1,930

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Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment			$ (3,509,000)
Foreclosed residential real estate property held as other real estate owned	3,400,000
Consumer mortgage loans collateralized by residential real estate property in process of foreclosure	6,900,000
Accounting Standards Update 2014-01 [Member] | Restatement Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change on net income	$ 109,000	$ (113,000)

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Loans and Leases (Accretable Yield Movement Schedule) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	$ 201,699	$ 127,624
Accretion to interest income	(13,283)	(12,469)
Disposals	(6,913)	(3,857)
Reclassifications from (to) nonaccretable difference	4,084	5,329
Balance, end of period	185,587	116,627
Evergreen Bank [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	9,466	20,063
Accretion to interest income	(1,722)	(3,637)
Disposals	(2,036)	(1,240)
Reclassifications from (to) nonaccretable difference	2,240	974
Balance, end of period	7,948	16,160
Rainier [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	49,989	71,789
Accretion to interest income	(2,993)	(4,281)
Disposals	(632)	(987)
Reclassifications from (to) nonaccretable difference	1,654	1,402
Balance, end of period	48,018	67,923
Nevada Security Bank [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	23,666	34,632
Accretion to interest income	(2,892)	(4,464)
Disposals	(1,293)	(1,630)
Reclassifications from (to) nonaccretable difference	1,149	2,953
Balance, end of period	20,630	31,491
Circle Bancorp [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	796	1,140
Accretion to interest income	(112)	(87)
Disposals	0	0
Reclassifications from (to) nonaccretable difference	37	0
Balance, end of period	721	1,053
Sterling Financial Corporation [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Balance, beginning of period	117,782
Accretion to interest income	(5,564)
Disposals	(2,952)
Reclassifications from (to) nonaccretable difference	(996)
Balance, end of period	$ 108,270

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Residential Mortgage Servicing Rights (Sensitivity Analysis of Current Fair Value to Changes in Discount and Prepayment Speed Assumptions) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Transfers and Servicing [Abstract]
Effect on fair value of a 10% adverse change	$ (5,095)	$ (4,965)
Effect on fair value of a 20% adverse change	(9,787)	(9,547)
Effect on fair value of a 100 basis point adverse change	(4,293)	(4,539)
Effect on fair value of a 200 basis point adverse change	$ (8,271)	$ (8,771)

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
ASSETS
Cash and due from banks	$ 292,558	$ 282,455
Interest bearing deposits and temporary investments (restricted cash of $62,925 and $47,717)	1,088,316	1,322,716
Total cash and cash equivalents	1,380,874	1,605,171
Investment securities
Trading, at fair value	10,452	9,999
Available for sale, at fair value	2,535,121	2,298,555
Held to maturity, at amortized cost	4,953	5,211
Loans held for sale, at fair value	406,487	286,802
Loans and leases	15,548,957	15,327,732
Allowance for loan and lease losses	(120,104)	(116,167)
Net loans and leases	15,428,853	15,211,565
Restricted equity securities	117,218	119,334
Premises and equipment, net	322,925	317,834
Goodwill	1,788,640	1,786,225
Other intangible assets, net	53,927	56,733
Residential mortgage servicing rights, at fair value	116,365	117,259
Other real estate owned	32,064	37,942
FDIC indemnification asset	1,861	4,417
Bank owned life insurance	294,697	294,296
Deferred tax asset, net	198,778	230,442
Other assets	259,943	228,118
Total assets	22,953,158	22,609,903
LIABILITIES AND SHAREHOLDERS' EQUITY
Noninterest bearing	4,930,642	4,744,804
Interest bearing	12,291,924	12,147,295
Total deposits	17,222,566	16,892,099
Securities sold under agreements to repurchase	321,202	313,321
Term debt	965,675	1,006,395
Junior subordinated debentures, at fair value	250,652	249,294
Junior subordinated debentures, at amortized cost	101,496	101,576
Other liabilities	290,597	269,592
Total liabilities	19,152,188	18,832,277
COMMITMENTS AND CONTINGENCIES (NOTE 9)
SHAREHOLDERS' EQUITY
Common stock, no par value, shares authorized: 400,000,000 in 2015 and 2014; issued and outstanding: 220,453,729 in 2015 and 220,161,120 in 2014	3,521,201	3,519,316
Retained earnings	260,128	246,242
Accumulated other comprehensive income	19,641	12,068
Total shareholders' equity	3,800,970	3,777,626
Total liabilities and shareholders' equity	$ 22,953,158	$ 22,609,903

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Business Combinations (Pro Forma Results of Operations) (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Business Acquisition, Pro Forma Information [Abstract]
Net interest income	$ 215,908,000	$ 107,838,000
Provision for loan and lease losses	12,637,000	5,971,000
Non-interest income	63,595,000	23,238,000
Non-interest expense	193,098,000	96,518,000
Income before income taxes	73,768,000	28,587,000
Provision for income taxes	26,639,000	9,936,000
Net income	47,129,000	18,651,000	147,658,000
Dividends and undistributed earnings allocated to participating securities	84,000	113,000
Net earnings available to common shareholders	47,045,000	18,538,000
Earnings per share:
Basic (in usd per share)	$ 0.21	$ 0.17
Diluted (in usd per share)	$ 0.21	$ 0.16
Average shares outstanding:
Basic (in shares)	220,349	112,170
Diluted (in shares)	221,051	112,367
Footnote Information [Abstract]
Amortization of investment premiums, net	(5,605,000)	(4,000,000)
Change in junior subordinated debentures carried at fair value	(1,358,000)	(526,000)
Sterling Financial Corporation [Member] | Acquisition-related Costs [Member]
Business Acquisition, Pro Forma Information [Abstract]
Net earnings available to common shareholders		16,100,000
Pro Forma [Member] | Sterling Financial Corporation [Member]
Business Acquisition, Pro Forma Information [Abstract]
Net interest income		222,766,000
Provision for loan and lease losses		5,971,000
Non-interest income		45,018,000
Non-interest expense		188,488,000
Income before income taxes		73,325,000
Provision for income taxes		26,073,000
Net income		47,252,000
Dividends and undistributed earnings allocated to participating securities		113,000
Net earnings available to common shareholders		47,139,000
Earnings per share:
Basic (in usd per share)		$ 0.22
Diluted (in usd per share)		$ 0.22
Average shares outstanding:
Basic (in shares)		216,438
Diluted (in shares)		217,523
Footnote Information [Abstract]
Accretion of loan discounts		26,700,000
Amortization of investment premiums, net			(1,500,000)
Amortization of deposit and borrowings premiums		4,900,000
Loss on service charges due to exceeding $10 billion asset threshold		1,400,000
Change in junior subordinated debentures carried at fair value		(952,000)
Reversal of provision for loss on divestiture		7,000,000
Adjustment to merger related expenses			5,400,000
Amortization of core deposit intangibles		$ 1,700,000

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Fair Value Measurement (Losses Resulting From Nonrecurring Fair Value Adjustments) (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loss from nonrecurring measurements	$ 12,875	$ 2,684
Loans And Leases [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loss from nonrecurring measurements	10,483	2,585
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loss from nonrecurring measurements	$ 2,392	$ 99

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Reclassification adjustment for net gains, tax expense	$ 45	$ 0
Accretion of unrealized losses related to factors other than credit to investment securities held to maturity, tax benefit	$ 0	$ 6

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Fair Value Measurement (Schedule Of Reconciliation Of Assets And Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Level 3) On A Recurring Basis) (Details) (Level 3 [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Junior Subordinated Debentures [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Junior subordinated debentures, Beginning Balance	$ 249,294	$ 87,274
Junior subordinated debentures, Change included in earnings	3,878	1,490
Junior subordinated debentures, Purchases and issuances	0	0
Junior subordinated debentures, Sales and settlements	(2,520)	(964)
Junior subordinated debentures, Ending Balance	250,652	87,800
Junior subordinated debentures, Net change in unrealized gains or (losses) relating to items held at end of period	3,878	1,490
Interest Rate Lock Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Interest rate lock commitment, Beginning Balance	2,867	706
Interest rate lock commitment, Change included in earnings	(2,868)	(706)
Interest rate lock commitment, Purchases and issuances	19,061	4,634
Interest rate lock commitment, Sales and settlements	(12,036)	(3,240)
Interest rate lock commitment, Ending Balance	7,025	1,394
Interest rate lock commitment, Net change in unrealized gains or (losses) relating to items held at end of period	7,025	1,394
Mortgage Servicing Rights [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Mortgage servicing rights, Beginning Balance	117,259	47,765
Mortgage servicing rights, Change included in earnings	(9,731)	(953)
Mortgage servicing rights, Purchases and issuances	8,837	2,408
Mortgage servicing rights, Sales and settlements	0	0
Mortgage servicing rights, Ending Balance	116,365	49,220
Mortgage servicing rights, Net change in unrealized gains or (losses) relating to items held at end of period	$ (7,771)	$ (394)

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Allowance for Loan and Lease Loss and Credit Quality (Non-Accrual Loans And Loans Past Due) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	$ 10,416,000	$ 7,512,000
Total Past Due	30,904,000	32,171,000
Nonaccrual	40,246,000	52,041,000
Current	15,477,807,000	15,243,520,000
Total loans and leases, net of deferred fees and costs	15,548,957,000	15,327,732,000	7,763,691,000
Purchased impaired non-covered loans	521,100,000	562,900,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans and leases, net of deferred fees and costs	8,964,979,000		4,601,659,000
Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	2,425,000	283,000
Total Past Due	3,497,000	735,000
Nonaccrual	6,974,000	8,957,000
Current	3,293,158,000	3,280,918,000
Total loans and leases, net of deferred fees and costs	3,303,629,000	3,290,610,000
Owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	0	0
Total Past Due	5,385,000	2,651,000
Nonaccrual	9,219,000	8,292,000
Current	2,562,880,000	2,622,921,000
Total loans and leases, net of deferred fees and costs	2,577,484,000	2,633,864,000
Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	0	0
Total Past Due	420,000	512,000
Nonaccrual	0	300,000
Current	2,763,983,000	2,637,806,000
Total loans and leases, net of deferred fees and costs	2,764,403,000	2,638,618,000
Construction & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	0	0
Total Past Due	0	1,091,000
Nonaccrual	0	0
Current	238,303,000	257,631,000
Total loans and leases, net of deferred fees and costs	238,303,000	258,722,000
Residential Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	0	0
Total Past Due	0	6,155,000
Nonaccrual	0	0
Current	81,160,000	75,691,000
Total loans and leases, net of deferred fees and costs	81,160,000	81,846,000
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans and leases, net of deferred fees and costs	2,975,349,000		2,149,482,000
Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	21,000	3,000
Total Past Due	1,132,000	1,343,000
Nonaccrual	17,981,000	19,097,000
Current	1,109,873,000	1,082,547,000
Total loans and leases, net of deferred fees and costs	1,128,986,000	1,102,987,000
LOC & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	103,000	1,223,000
Total Past Due	1,694,000	4,015,000
Nonaccrual	1,611,000	8,825,000
Current	1,272,566,000	1,309,882,000
Total loans and leases, net of deferred fees and costs	1,275,871,000	1,322,722,000
Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	0	695,000
Total Past Due	3,901,000	3,872,000
Nonaccrual	3,358,000	5,084,000
Current	563,233,000	514,158,000
Total loans and leases, net of deferred fees and costs	570,492,000	523,114,000
Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans and leases, net of deferred fees and costs	3,193,594,000		960,336,000
Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	6,874,000	4,289,000
Total Past Due	8,699,000	5,521,000
Nonaccrual	636,000	655,000
Current	2,320,990,000	2,227,559,000
Total loans and leases, net of deferred fees and costs	2,330,325,000	2,233,735,000
Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	731,000	749,000
Total Past Due	3,656,000	3,375,000
Nonaccrual	433,000	615,000
Current	859,180,000	848,488,000
Total loans and leases, net of deferred fees and costs	863,269,000	852,478,000
Consumer & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Greater than 90 Days and Accruing	262,000	270,000
Total Past Due	2,520,000	2,901,000
Nonaccrual	34,000	216,000
Current	412,481,000	385,919,000
Total loans and leases, net of deferred fees and costs	415,035,000	389,036,000	52,214,000
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	12,475,000	18,284,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	487,000	452,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,599,000	2,304,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	420,000	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	1,091,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	6,155,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,108,000	1,098,000
Financing Receivables, 30 to 59 Days Past Due [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	927,000	1,637,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,349,000	1,482,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,485,000	8,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,471,000	1,924,000
Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,629,000	2,133,000
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	8,013,000	6,375,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Non-owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	585,000	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Owner Occupied Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,786,000	347,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	512,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Construction & Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,000	242,000
Financing Receivables, 60 to 89 Days Past Due [Member] | LOC & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	664,000	1,155,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Leases and Equipment Finance [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,552,000	1,695,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	340,000	1,224,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,454,000	702,000
Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer & Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 629,000	$ 498,000

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Types Of Derivatives, Separately By Assets And Liabilities And Fair Value Of Derivatives

The following tables summarize the types of derivatives, separately by assets and liabilities, and the fair values of such derivatives as of March 31, 2015 and December 31, 2014: 

(in thousands)	Asset Derivatives				Liability Derivatives
Derivatives not designated	March 31,		December 31,		March 31,		December 31,
as hedging instrument	2015		2014		2015		2014
Interest rate lock commitments	$	7,025	$	2,867	$	—	$	—
Interest rate forward sales commitments	264		16		4,243		2,627
Interest rate swaps	37,487		26,327		40,101		28,158
Total	$	44,776	$	29,210	$	44,344	$	30,785

Summary Of Types Of Derivatives And Gains (Losses) Recorded

The following table summarizes the types of derivatives and the gains (losses) recorded during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three months ended
Derivatives not designated	March 31,
as hedging instrument	2015			2014
Interest rate lock commitments	$	4,157		$	688
Interest rate forward sales commitments	(5,104		)	(2,648		)
Interest rate swaps	(781		)	(1,214		)
Total	$	(1,728	)	$	(3,174	)

Offsetting Derivatives Assets

The following table summarizes the derivatives that have a right of offset as of March 31, 2015 and December 31, 2014:

(in thousands)							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets/Liabilities presented in the Statement of Financial Position		Financial Instruments			Collateral Posted			Net Amount
March 31, 2015
Derivative Assets
Interest rate swaps	$	37,487	$	—	$	37,487	$	—		$	—		$	37,487
Derivative Liabilities
Interest rate swaps	$	40,101	$	—	$	40,101	$	—		$	(40,101	)	$	—
December 31, 2014
Derivative Assets
Interest rate swaps	$	26,327	$	—	$	26,327	$	(131	)	$	—		$	26,196
Derivative Liabilities
Interest rate swaps	$	28,158	$	—	$	28,158	$	(131	)	$	(28,027	)	$	—

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Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Net additions	$ 2,415	$ 1,021,920

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

Nonvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents are participating securities and are included in the computation of earnings per share pursuant to the two-class method.  The two-class method is an earnings allocation formula that determines earnings per share for each class of common stock and participating security according to dividends declared (or accumulated) and participation rights in undistributed earnings. Certain of the Company's nonvested restricted stock awards qualify as participating securities. 

Net earnings is allocated between the common stock and participating securities pursuant to the two-class method.  Basic earnings per common share is computed by dividing net earnings available to common shareholders by the weighted average number of common shares outstanding during the period, excluding participating nonvested restricted shares. 

Diluted earnings per common share is computed in a similar manner, except that first the denominator is increased to include the number of additional common shares that would have been outstanding if potentially dilutive common shares, excluding the participating securities, were issued using the treasury stock method. For all periods presented, stock options, certain restricted stock awards and restricted stock units are the only potentially dilutive non-participating instruments issued by the Company.  Next, we determine and include in diluted earnings per common share calculation the more dilutive effect of the participating securities using the treasury stock method or the two-class method. Undistributed losses are not allocated to the nonvested share-based payment awards (the participating securities) under the two-class method as the holders are not contractually obligated to share in the losses of the Company. 

The following is a computation of basic and diluted earnings per common share for the three months ended March 31, 2015 and 2014: 

(in thousands, except per share data)	Three Months Ended
	March 31,
	2015		2014
NUMERATORS:
Net income	$	47,129	$	18,651
Less:
Dividends and undistributed earnings allocated to participating securities (1)	84		113
Net earnings available to common shareholders	$	47,045	$	18,538
DENOMINATORS:
Weighted average number of common shares outstanding - basic	220,349		112,170
Effect of potentially dilutive common shares (2)	702		197
Weighted average number of common shares outstanding - diluted	221,051		112,367
EARNINGS PER COMMON SHARE:
Basic	$	0.21	$	0.17
Diluted	$	0.21	$	0.16

(1) Represents dividends paid and undistributed earnings allocated to nonvested restricted stock awards. 

(2) Represents the effect of the assumed exercise of stock options, vesting of non-participating restricted shares, and vesting of restricted stock units, based on the treasury stock method. 

The following table presents the weighted average outstanding securities that were not included in the computation of diluted earnings per common share because their effect would be anti-dilutive for the three months ended March 31, 2015 and 2014. 

(in thousands)	Three Months Ended
	March 31,
	2015	2014
Stock options	—	336

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Shareholders' Equity and Stock Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Summary Of Stock Option Activity

The following table summarizes information about stock option activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
					Weighted-Avg
	Options		Weighted-Avg		Remaining Contractual	Aggregate
	Outstanding		Exercise Price		Term (Years)	Intrinsic Value
Balance, beginning of period	807		$	16.80
Granted/Assumed	—		$	—
Exercised	(18	)	$	7.88
Forfeited/expired	(188	)	$	23.99
Balance, end of period	601		$	14.81	4.75	$	2,392
Options exercisable, end of period	509		$	15.28	4.19	$	1,930

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

Summary Of Nonvested Restricted Share Activity

The following table summarizes information about nonvested restricted share activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Shares		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	1,386		$	15.39
Granted/Assumed	552		$	16.04
Released	(321	)	$	13.26
Forfeited/expired	(13	)	$	11.63
Balance, end of period	1,604		$	16.29

The total number of restricted stock units granted represents the maximum number of restricted stock units eligible to vest based upon the performance and service conditions set forth in the grant agreements.

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Stock Units		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	675		$	18.03
Granted/Assumed	—		$	—
Released	(85	)	$	16.83
Forfeited/expired	(13	)	$	17.20
Balance, end of period	577		$	18.58

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Fair Value Measurement

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurement

Fair Value Measurement 

The following table presents estimated fair values of the Company's financial instruments as of March 31, 2015 and December 31, 2014, whether or not recognized or recorded at fair value in the Condensed Consolidated Balance Sheets: 

(in thousands)		March 31, 2015				December 31, 2014
		Carrying		Fair		Carrying		Fair
	Level	Value		Value		Value		Value
FINANCIAL ASSETS:
Cash and cash equivalents	1	$	1,380,874	$	1,380,874	$	1,605,171	$	1,605,171
Trading securities	1,2	10,452		10,452		9,999		9,999
Investment securities available for sale	2	2,535,121		2,535,121		2,298,555		2,298,555
Investment securities held to maturity	3	4,953		5,429		5,211		5,554
Loans held for sale, at fair value	2	406,487		406,487		286,802		286,802
Loans and leases, net	3	15,428,853		15,499,091		15,211,565		15,252,083
Restricted equity securities	1	117,218		117,218		119,334		119,334
Residential mortgage servicing rights	3	116,365		116,365		117,259		117,259
Bank owned life insurance assets	1	294,697		294,697		294,296		294,296
FDIC indemnification asset	3	1,861		524		4,417		2,058
Derivatives	2,3	44,776		44,776		29,210		29,210
Visa Class B common stock	3	—		49,607		—		49,663
FINANCIAL LIABILITIES:
Deposits	1,2	$	17,222,566	$	17,228,286	$	16,892,099	$	16,893,890
Securities sold under agreements to repurchase	2	321,202		321,202		313,321		313,321
Term debt	2	965,675		978,769		1,006,395		1,018,948
Junior subordinated debentures, at fair value	3	250,652		250,652		249,294		249,294
Junior subordinated debentures, at amortized cost	3	101,496		74,240		101,576		73,840
Derivatives	2	44,344		44,344		30,785		30,785

Fair Value of Assets and Liabilities Measured on a Recurring Basis 

The following tables present information about the Company's assets and liabilities measured at fair value on a recurring basis as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	92	$	—	$	92	$	—
Equity securities	5,868		5,868		—		—
Other investments securities(1)	4,492		—		4,492		—
Investment securities available for sale
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	337,602		—		337,602		—
Residential mortgage-backed securities and collateralized mortgage obligations	2,195,201		—		2,195,201		—
Investments in mutual funds and other equity securities	2,089		—		2,089		—
Loans held for sale, at fair value	406,487				406,487
Residential mortgage servicing rights, at fair value	116,365		—		—		116,365
Derivatives
Interest rate lock commitments	7,025		—		—		7,025
Interest rate forward sales commitments	264		—		264		—
Interest rate swaps	37,487		—		37,487		—
Total assets measured at fair value	$	3,113,201	$	5,868	$	2,983,943	$	123,390
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	250,652	$	—	$	—	$	250,652
Derivatives
Interest rate forward sales commitments	4,243		—		4,243		—
Interest rate swaps	40,101		—		40,101		—
Total liabilities measured at fair value	$	294,996	$	—	$	44,344	$	250,652

(in thousands)	December 31, 2014
Description	Total		Level 1		Level 2		Level 3
FINANCIAL ASSETS:
Trading securities
Obligations of states and political subdivisions	$	124	$	—	$	124	$	—
Equity securities	5,283		5,283		—		—
Other investments securities(1)	4,592		—		4,592		—
Available for sale securities
U.S. Treasury and agencies	229		—		229		—
Obligations of states and political subdivisions	338,404		—		338,404		—
Residential mortgage-backed securities and collateralized mortgage obligations	1,957,852		—		1,957,852		—
Investments in mutual funds and other equity securities	2,070		—		2,070		—
Loans held for sale, at fair value	286,802				286,802
Residential mortgage servicing rights, at fair value	117,259		—		—		117,259
Derivatives
Interest rate lock commitments	2,867		—		—		2,867
Interest rate forward sales commitments	16		—		16		—
Interest rate swaps	26,327		—		26,327		—
Total assets measured at fair value	$	2,741,825	$	5,283	$	2,616,416	$	120,126
FINANCIAL LIABILITIES:
Junior subordinated debentures, at fair value	$	249,294	$	—	$	—	$	249,294
Derivatives
Interest rate forward sales commitments	2,627		—		2,627		—
Interest rate swaps	28,158		—		28,158		—
Total liabilities measured at fair value	$	280,079	$	—	$	30,785	$	249,294

(1) Principally represents U.S. Treasury and agencies or residential mortgage-backed securities issued or guaranteed by governmental agencies. 

The following methods were used to estimate the fair value of each class of financial instrument above: 

Cash and Cash Equivalents— For short-term instruments, including cash and due from banks, and interest bearing deposits with banks, the carrying amount is a reasonable estimate of fair value. 

Securities— Fair values for investment securities are based on quoted market prices when available or through the use of alternative approaches, such as matrix or model pricing, or broker indicative bids, when market quotes are not readily accessible or available. Management periodically reviews the pricing information received from the third-party pricing service and compares it to a secondary pricing service, evaluating significant price variances between services to determine an appropriate estimate of fair value to report.

Loans Held for Sale— Fair value for residential mortgage loans held for sale is determined based on quoted secondary market prices for similar loans, including the implicit fair value of embedded servicing rights.

Loans and Leases— Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type, including commercial, real estate and consumer loans. Each loan category is further segregated by fixed and adjustable rate loans. The fair value of loans is calculated by discounting expected cash flows at rates which similar loans are currently being made. These amounts are discounted further by embedded probable losses expected to be realized in the portfolio.

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

Residential Mortgage Servicing Rights— The fair value of mortgage servicing rights is estimated using a discounted cash flow model.  Assumptions used include market discount rates, anticipated prepayment speeds, delinquency and foreclosure rates, and ancillary fee income net of servicing costs. This model is periodically validated by an independent external model validation group. The model assumptions and the MSR fair value estimates are also compared to observable trades of similar portfolios as well as to MSR broker valuations and industry surveys, as available. Management believes the significant inputs utilized are indicative of those that would be used by market participants. 

Bank Owned Life Insurance Assets— Fair values of insurance policies owned are based on the insurance contract's cash surrender value. 

FDIC Indemnification Asset— The FDIC indemnification asset is calculated as the expected future cash flows under the loss-share agreement discounted by a rate reflective of the creditworthiness of the FDIC as would be required from the market. 

Visa Inc. Class B Common Stock— The fair value of Visa Class B common stock is estimated by applying a 5% discount to the value of the unredeemed Class A equivalent shares.  The discount primarily represents the risk related to the further potential reduction of the conversion ratio between Class B and Class A shares and a liquidity risk premium. 

Deposits— The fair value of deposits with no stated maturity, such as non-interest bearing deposits, savings and interest checking accounts, and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities. 

Securities Sold under Agreements to Repurchase— For short-term instruments, including securities sold under agreements to repurchase and federal funds purchased, the carrying amount is a reasonable estimate of fair value. 

Term Debt— The fair value of medium term notes is calculated based on the discounted value of the contractual cash flows using current rates at which such borrowings can currently be obtained. 

Junior Subordinated Debentures— The fair value of junior subordinated debentures is estimated using an income approach valuation technique.  The significant inputs utilized in the estimation of fair value of these instruments are the credit risk adjusted spread and three month LIBOR. The credit risk adjusted spread represents the nonperformance risk of the liability, contemplating the inherent risk of the obligation. The Company periodically utilizes an external valuation firm to determine or validate the reasonableness of inputs and factors that are used to determine the fair value. The ending carrying (fair) value of the junior subordinated debentures measured at fair value represents the estimated amount that would be paid to transfer these liabilities in an orderly transaction amongst market participants.  Due to credit concerns in the capital markets and inactivity in the trust preferred markets that have limited the observability of market spreads, we have classified this as a Level 3 fair value measure.  

Derivative Instruments— The fair value of the interest rate lock commitments and forward sales commitments are estimated using quoted or published market prices for similar instruments, adjusted for factors such as pull-through rate assumptions based on historical information, where appropriate.  The pull-through rate assumptions are considered Level 3 valuation inputs and are significant to the interest rate lock commitment valuation; as such, the interest rate lock commitment derivatives are classified as Level 3. The fair value of the interest rate swaps is determined using a discounted cash flow technique incorporating credit valuation adjustments to reflect nonperformance risk in the measurement of fair value. Although the Bank has determined that the majority of the inputs used to value its interest rate swap derivatives fall within Level 2 of the fair value hierarchy, the CVA associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of March 31, 2015, the Bank has assessed the significance of the impact of the CVA on the overall valuation of its interest rate swap positions and has determined that the CVA are not significant to the overall valuation of its interest rate swap derivatives. As a result, the Bank has classified its interest rate swap derivative valuations in Level 2 of the fair value hierarchy.   

Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) 

The following table provides a description of the valuation technique, significant unobservable inputs, and qualitative information about the unobservable inputs for the Company's assets and liabilities classified as Level 3 and measured at fair value on a recurring basis at March 31, 2015: 

Financial Instrument	Valuation Technique	Unobservable Input	Weighted Average (Range)
Residential mortgage servicing rights	Discounted cash flow
		Constant Prepayment Rate	13.44%
		Discount Rate	9.17%
Interest rate lock commitment	Internal Pricing Model
		Pull-through rate	81.90%
Junior subordinated debentures	Discounted cash flow
		Credit Spread	6.04%

Generally, any significant increases in the constant prepayment rate and discount rate utilized in the fair value measurement of the residential mortgage servicing rights will result in negative fair value adjustments (and a decrease in the fair value measurement). Conversely, a decrease in the constant prepayment rate and discount rate will result in a positive fair value adjustment (and increase in the fair value measurement).

An increase in the pull-through rate utilized in the fair value measurement of the interest rate lock commitment derivative will result in positive fair value adjustments (and an increase in the fair value measurement.) Conversely, a decrease in the pull-through rate will result in a negative fair value adjustment (and a decrease in the fair value measurement.)

Management believes that the credit risk adjusted spread utilized in the fair value measurement of the junior subordinated debentures carried at fair value is indicative of the nonperformance risk premium a willing market participant would require under current market conditions, that is, the inactive market. Management attributes the change in fair value of the junior subordinated debentures during the period to market changes in the nonperformance expectations and pricing of this type of debt, and not as a result of changes to our entity-specific credit risk. The widening of the credit risk adjusted spread above the Company's contractual spreads has primarily contributed to the positive fair value adjustments.  Future contractions in the credit risk adjusted spread relative to the spread currently utilized to measure the Company's junior subordinated debentures at fair value as of March 31, 2015, or the passage of time, will result in negative fair value adjustments.  Generally, an increase in the credit risk adjusted spread and/or a decrease in the three month LIBOR swap curve will result in positive fair value adjustments (and decrease the fair value measurement).  Conversely, a decrease in the credit risk adjusted spread and/or an increase in the three month LIBOR swap curve will result in negative fair value adjustments (and increase the fair value measurement). 

The following table provides a reconciliation of assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three months ended March 31, 2015 and 2014. 

(in thousands)
Three Months Ended March 31,	Beginning Balance		Change included in earnings			Purchases and issuances		Sales and settlements			Ending Balance		Net change in unrealized gains or (losses) relating to items held at end of period
2015
Residential mortgage servicing rights	$	117,259	$	(9,731	)	$	8,837	$	—		$	116,365	$	(7,771	)
Interest rate lock commitment, net	2,867		(2,868		)	19,061		(12,036		)	7,025		7,025
Junior subordinated debentures, at fair value	249,294		3,878			—		(2,520		)	250,652		3,878
2014
Residential mortgage servicing rights	$	47,765	$	(953	)	$	2,408	$	—		$	49,220	$	(394	)
Interest rate lock commitment, net	706		(706		)	4,634		(3,240		)	1,394		1,394
Junior subordinated debentures, at fair value	87,274		1,490			—		(964		)	87,800		1,490

Losses on residential mortgage servicing rights carried at fair value are recorded in residential mortgage banking revenue within non-interest income. Gains (losses) on interest rate lock commitments carried at fair value are recorded in residential mortgage banking revenue within non-interest income. Gains (losses) on junior subordinated debentures carried at fair value are recorded in non-interest income.  The contractual interest expense on the junior subordinated debentures is recorded on an accrual basis as interest on junior subordinated debentures within interest expense. Settlements related to the junior subordinated debentures represent the payment of accrued interest that is embedded in the fair value of these liabilities. 

Additionally, from time to time, certain assets are measured at fair value on a nonrecurring basis.  These adjustments to fair value generally result from the application of lower-of-cost-or-market accounting or write-downs of individual assets due to impairment. 

Fair Value of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

The following table presents information about the Company's assets and liabilities measured at fair value on a nonrecurring basis for which a nonrecurring change in fair value has been recorded during the reporting period.  The amounts disclosed below represent the fair values at the time the nonrecurring fair value measurements were made, and not necessarily the fair value as of the dates reported upon. 

(in thousands)	March 31, 2015
	Total		Level 1		Level 2		Level 3
Loans and leases	$	26,946	$	—	$	—	$	26,946
Other real estate owned	6,521		—		—		6,521
	$	33,467	$	—	$	—	$	33,467

(in thousands)	December 31, 2014
	Total		Level 1		Level 2		Level 3
Loans and leases	$	14,720	$	—	$	—	$	14,720
Other real estate owned	12,741		—		—		12,741
	$	27,461	$	—	$	—	$	27,461

The following table presents the losses resulting from nonrecurring fair value adjustments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Loans and leases	$	10,483	$	2,585
Other real estate owned	2,392		99
Total loss from nonrecurring measurements	$	12,875	$	2,684

The following provides a description of the valuation technique and inputs for the Company’s assets and liabilities classified as Level 3 and measured at fair value on a nonrecurring basis. Unobservable inputs and qualitative information about the unobservable inputs are not presented as the fair value is determined by third-party information. The loans and leases amount above represents impaired, collateral dependent loans that have been adjusted to fair value.  When we identify a collateral dependent loan as impaired, we measure the impairment using the current fair value of the collateral, less selling costs.  Depending on the characteristics of a loan, the fair value of collateral is generally estimated by obtaining external appraisals.  If we determine that the value of the impaired loan is less than the recorded investment in the loan, we recognize this impairment and adjust the carrying value of the loan to fair value through the allowance for loan and lease losses.  The loss represents charge-offs or impairments on collateral dependent loans for fair value adjustments based on the fair value of collateral.

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

Fair Value Option

The following table presents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans held for sale accounted for under the fair value option as of March 31, 2015 and December 31, 2014:

(in thousands)

March 31, 2015

December 31, 2014

Fair Value

Fair Value

Aggregate

Less Aggregate

Aggregate

Less Aggregate

Unpaid

Unpaid

Unpaid

Unpaid

Fair

Principal

Principal

Fair

Principal

Principal

Value

Balance

Balance

Value

Balance

Balance

Loans held for sale

$

406,487

$

389,056

$

17,431

$

286,802

$

274,245

$

12,557

Residential mortgage loans held for sale accounted for under the fair value option are measured initially at fair value with subsequent changes in fair value recognized in earnings. Gains and losses from such changes in fair value are reported as a component of residential mortgage banking revenue, net in the Consolidated Statements of Income. For the three months ended March 31, 2015, the Company recorded a net increase of $4.9 million. For the three months ended March 31, 2014, the Company recorded a net increase of $324,000, representing the change in fair value reflected in earnings.

There were nononaccrual residential mortgage loans held for sale or residential mortgage loans held for sale 90 days or more past due and still accruing interest as of March 31, 2015 and December 31, 2014, respectively.

The Company selected the fair value measurement option for existing junior subordinated debentures (the Umpqua Statutory Trusts) and for junior subordinated debentures acquired from Sterling. The remaining junior subordinated debentures were acquired through previous business combinations and were measured at fair value at the time of acquisition and subsequently measured at amortized cost.

Accounting for the selected junior subordinated debentures at fair value enables us to more closely align our financial performance with the economic value of those liabilities. Additionally, we believe it improves our ability to manage the market and interest rate risks associated with the junior subordinated debentures. The junior subordinated debentures measured at fair value and amortized cost are presented as separate line items on the balance sheet. The ending carrying (fair) value of the junior subordinated debentures measured at fair value represents the estimated amount that would be paid to transfer these liabilities in an orderly transaction amongst market participants under current market conditions as of the measurement date.

Due to inactivity in the junior subordinated debenture market and the lack of observable quotes of our, or similar, junior subordinated debenture liabilities or the related trust preferred securities when traded as assets, we utilize an income approach valuation technique to determine the fair value of these liabilities using our estimation of market discount rate assumptions. The Company monitors activity in the trust preferred and related markets, to the extent available, changes related to the current and anticipated future interest rate environment, and considers our entity-specific creditworthiness, to validate the reasonableness of the credit risk adjusted spread and effective yield utilized in our discounted cash flow model.  Regarding the activity in and condition of the junior subordinated debt market, we noted no observable changes in the current period as it relates to companies comparable to our size and condition, in either the primary or secondary markets.  Relating to the interest rate environment, we considered the change in slope and shape of the forward LIBOR swap curve in the current period, the effects of which did not result in a significant change in the fair value of these liabilities.

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Residential Mortgage Servicing Rights (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Transfers and Servicing [Abstract]
Contractually specified servicing fees, late fees and ancillary fees earned	$ 6.5	$ 3.0

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Condensed Consolidated Statements of Changes In Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified		Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
BALANCE, VALUE at Dec. 31, 2013		$ 1,727,426	$ 1,514,485	$ 217,917	$ (4,976)
BALANCE, SHARES at Dec. 31, 2013			111,973,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment		(3,509)		(3,509)
Restated beginning balance		1,723,917		214,408
Net income		147,658		147,658
Other comprehensive income, net of tax		17,044			17,044
Stock issued in connection with merger, shares	[1]		104,385,087
Stock issued in connection with merger, value	[1]	1,989,030	1,989,030
Stock-based compensation		15,292	15,292
Stock repurchased and retired, shares			(403,828)
Stock repurchased and retired, value		(7,183)	(7,183)
Issuances of common stock under stock plans and related tax benefit, shares	[2]		4,206,658
Issuances of common stock under stock plans and related tax benefit, value	[2]	7,692	7,692
Cash dividends on common stock		(115,824)		(115,824)
BALANCE, VALUE at Dec. 31, 2014		3,777,626	3,519,316	246,242	12,068
BALANCE, SHARES at Dec. 31, 2014		220,161,120	220,161,120
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		47,129		47,129
Other comprehensive income, net of tax		7,573			7,573
Stock-based compensation		3,433	3,433
Stock repurchased and retired, shares			(130,818)
Stock repurchased and retired, value		(2,220)	(2,220)
Issuances of common stock under stock plans and related tax benefit, shares			423,427
Issuances of common stock under stock plans and related tax benefit, value		672	672
Cash dividends on common stock		(33,243)		(33,243)
BALANCE, VALUE at Mar. 31, 2015		$ 3,800,970	$ 3,521,201	$ 260,128	$ 19,641
BALANCE, SHARES at Mar. 31, 2015		220,453,729	220,453,729

[1] The amount of common stock issued in connection with the merger is net of $784,000 of issuance costs.

[2] The shares issued include 2,889,896 of warrants exercised.

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Restricted cash	$ 62,925	$ 47,717
Common stock, par value (in usd per share)	$ 0	$ 0
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	220,453,729	220,161,120
Common stock, shares, outstanding	220,453,729	220,161,120

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Junior Subordinated Debentures

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Junior Subordinated Debentures

Junior Subordinated Debentures 

Following is information about the Company's wholly-owned trusts ("Trusts") as of March 31, 2015:  

(dollars in thousands)		Issued		Carrying			Effective
Trust Name	Issue Date	Amount		Value (1)		Rate (2)	Rate (3)	Maturity Date
AT FAIR VALUE:
Umpqua Statutory Trust II	October 2002	$	20,619	$	15,182	Floating rate, LIBOR plus 3.35%, adjusted quarterly	4.92%	October 2032
Umpqua Statutory Trust III	October 2002	30,928		22,961		Floating rate, LIBOR plus 3.45%, adjusted quarterly	5.01%	November 2032
Umpqua Statutory Trust IV	December 2003	10,310		7,188		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.48%	January 2034
Umpqua Statutory Trust V	December 2003	10,310		7,166		Floating rate, LIBOR plus 2.85%, adjusted quarterly	4.49%	March 2034
Umpqua Master Trust I	August 2007	41,238		23,670		Floating rate, LIBOR plus 1.35%, adjusted quarterly	2.81%	September 2037
Umpqua Master Trust IB	September 2007	20,619		13,834		Floating rate, LIBOR plus 2.75%, adjusted quarterly	4.50%	December 2037
Sterling Capital Trust III	April 2003	14,433		11,165		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.55%	April 2033
Sterling Capital Trust IV	May 2003	10,310		7,889		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.46%	May 2033
Sterling Capital Statutory Trust V	May 2003	20,619		15,841		Floating rate, LIBOR plus 3.25%, adjusted quarterly	4.57%	June 2033
Sterling Capital Trust VI	June 2003	10,310		7,867		Floating rate, LIBOR plus 3.20%, adjusted quarterly	4.54%	September 2033
Sterling Capital Trust VII	June 2006	56,702		33,710		Floating rate, LIBOR plus 1.53%, adjusted quarterly	3.00%	June 2036
Sterling Capital Trust VIII	September 2006	51,547		30,983		Floating rate, LIBOR plus 1.63%, adjusted quarterly	3.15%	December 2036
Sterling Capital Trust IX	July 2007	46,392		26,768		Floating rate, LIBOR plus 1.40%, adjusted quarterly	2.88%	October 2037
Lynnwood Financial Statutory Trust I	March 2003	9,279		7,050		Floating rate, LIBOR plus 3.15%, adjusted quarterly	4.50%	March 2033
Lynnwood Financial Statutory Trust II	June 2005	10,310		6,453		Floating rate, LIBOR plus 1.80%, adjusted quarterly	3.30%	June 2035
Klamath First Capital Trust I	July 2001	15,464		12,925		Floating rate, LIBOR plus 3.75%, adjusted semiannually	4.91%	July 2031
		$	379,390	$	250,652
AT AMORTIZED COST:
HB Capital Trust I	March 2000	$	5,310	$	6,147	10.875%	8.44%	March 2030
Humboldt Bancorp Statutory Trust I	February 2001	5,155		5,770		10.200%	8.41%	February 2031
Humboldt Bancorp Statutory Trust II	December 2001	10,310		11,204		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.04%	December 2031
Humboldt Bancorp Statutory Trust III	September 2003	27,836		30,182		Floating rate, LIBOR plus 2.95%, adjusted quarterly	2.50%	September 2033
CIB Capital Trust	November 2002	10,310		11,077		Floating rate, LIBOR plus 3.45%, adjusted quarterly	3.03%	November 2032
Western Sierra Statutory Trust I	July 2001	6,186		6,186		Floating rate, LIBOR plus 3.58%, adjusted quarterly	3.82%	July 2031
Western Sierra Statutory Trust II	December 2001	10,310		10,310		Floating rate, LIBOR plus 3.60%, adjusted quarterly	3.83%	December 2031
Western Sierra Statutory Trust III	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
Western Sierra Statutory Trust IV	September 2003	10,310		10,310		Floating rate, LIBOR plus 2.90%, adjusted quarterly	3.13%	September 2033
		96,037		101,496
	Total	$	475,427	$	352,148

(1) Includes purchase accounting adjustments, net of accumulated amortization, for junior subordinated debentures assumed in connection with previous mergers as well as fair value adjustments related to trusts recorded at fair value. 

(2) Contractual interest rate of junior subordinated debentures. 

(3) Effective interest rate based upon the carrying value as of March 31, 2015. 

The Trusts are reflected as junior subordinated debentures in the Condensed Consolidated Balance Sheets.  The common stock issued by the Trusts is recorded in other assets in the Condensed Consolidated Balance Sheets, and totaled $14.3 million at March 31, 2015 and December 31, 2014. As of March 31, 2015, all of the junior subordinated debentures were redeemable at par, at their applicable quarterly or semiannual interest payment dates.

The Company selected the fair value measurement option for junior subordinated debentures originally issued by the Company (the Umpqua Statutory Trusts) and for junior subordinated debentures acquired from Sterling. Refer to Note 15 for discussion of the rational for election of fair value and the approach used to fair value the selected junior subordinated debentures.

Absent changes to the significant inputs utilized in the discounted cash flow model used to measure the fair value of these instruments, the discounts will reverse over time in a manner similar to the effective interest rate method as if these instruments were accounted for under the amortized cost method. Losses recorded resulting from the change in the fair value of these instruments were $1.6 million and $542,000 for the three months ended March 31, 2015 and 2014, respectively.

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Fair Value Measurement (Schedule Of A Description Of The Valuation Technique, Unobservable Input, And Qualitative Information For The Company's Assets And Liabilities Classfied As Level 3) (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Constant prepayment rate	13.44%	12.39%
Discount rate	9.17%	9.17%
Mortgage Servicing Rights [Member]
Valuation Technique	Discounted cash flow
Interest Rate Lock Commitments [Member]
Valuation Technique	Internal Pricing Model
Junior Subordinated Debentures [Member]
Valuation Technique	Discounted cash flow
Weighted Average [Member] | Mortgage Servicing Rights [Member]
Constant prepayment rate	13.44%
Discount rate	9.17%
Weighted Average [Member] | Interest Rate Lock Commitments [Member]
Fair Value Inputs, Pull-through Rate	81.90%
Weighted Average [Member] | Junior Subordinated Debentures [Member]
Credit spread	6.04%

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Fair Value Measurement (Schedule Of Carrying Value And Fair Value Of Financial Instruments Not Recorded At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013
FINANCIAL ASSETS:
Cash and cash equivalents	$ 292,558	$ 282,455
Trading securities	10,452	9,999
Investment securities available for sale	2,535,121	2,298,555
Investment securities held to maturity	4,953	5,211
Loans held for sale, at fair value	406,487	286,802
Loans and leases, net	15,548,957	15,327,732	7,763,691
Restricted equity securities	117,218	119,334
Residential mortgage servicing rights	116,365	117,259	49,220	47,765
Bank owned life insurance assets	294,697	294,296
FDIC indemnification asset	1,861	4,417	4,417		18,362	23,174
FINANCIAL LIABILITIES:
Deposits	17,222,566	16,892,099
Securities sold under agreements to repurchase	321,202	313,321
Term debt	965,675	1,006,395
Junior subordinated debentures, at fair value	250,652	249,294
Junior subordinated debentures, at amortized cost	101,496	101,576
Carrying Value [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	1,380,874	1,605,171
Trading securities	10,452	9,999
Investment securities available for sale	2,535,121	2,298,555
Investment securities held to maturity	4,953	5,211
Loans held for sale, at fair value	406,487	286,802
Loans and leases, net	15,428,853	15,211,565
Restricted equity securities	117,218	119,334
Residential mortgage servicing rights	116,365	117,259
Bank owned life insurance assets	294,697	294,296
FDIC indemnification asset	1,861	4,417
Derivatives	44,776	29,210
Visa Class B common stock	0	0
FINANCIAL LIABILITIES:
Deposits	17,222,566	16,892,099
Securities sold under agreements to repurchase	321,202	313,321
Term debt	965,675	1,006,395
Junior subordinated debentures, at fair value	250,652	249,294
Junior subordinated debentures, at amortized cost	101,496	101,576
Derivatives	44,344	30,785
Estimated Fair Value [Member]
FINANCIAL ASSETS:
Cash and cash equivalents	1,380,874	1,605,171
Trading securities	10,452	9,999
Investment securities available for sale	2,535,121	2,298,555
Investment securities held to maturity	5,429	5,554
Loans held for sale, at fair value	406,487	286,802
Loans and leases, net	15,499,091	15,252,083
Restricted equity securities	117,218	119,334
Residential mortgage servicing rights	116,365	117,259
Bank owned life insurance assets	294,697	294,296
FDIC indemnification asset	524	2,058
Derivatives	44,776	29,210
Visa Class B common stock	49,607	49,663
FINANCIAL LIABILITIES:
Deposits	17,228,286	16,893,890
Securities sold under agreements to repurchase	321,202	313,321
Term debt	978,769	1,018,948
Junior subordinated debentures, at fair value	250,652	249,294
Junior subordinated debentures, at amortized cost	74,240	73,840
Derivatives	$ 44,344	$ 30,785

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Document And Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 30, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2015
Entity Registrant Name	UMPQUA HOLDINGS CORP
Entity Central Index Key	0001077771
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		220,557,889

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies 

Lease Commitments — As of March 31, 2015, the Bank leased 281 sites under non-cancelable operating leases. The leases contain various provisions for increases in rental rates, based either on changes in the published Consumer Price Index or a predetermined escalation schedule. Substantially all of the leases provide the Company with the option to extend the lease term one or more times following expiration of the initial term. 

Rent expense for the three months ended March 31, 2015 was $9.3 million and for the three months ended March 31, 2014 was $5.0 million. Rent expense was partially offset by rent income for the three months ended March 31, 2015 of $118,000 and for the three months ended March 31, 2014 of $177,000.

Financial Instruments with Off-Balance-Sheet Risk — The Company's financial statements do not reflect various commitments and contingent liabilities that arise in the normal course of the Bank's business and involve elements of credit, liquidity, and interest rate risk. 

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

(in thousands)	As of March 31, 2015
Commitments to extend credit	$	2,996,411
Commitments to extend overdrafts	$	940,366
Forward sales commitments	$	692,900
Commitments to originate residential mortgage loans held for sale	$	458,378
Standby letters of credit	$	56,622

The Bank is a party to financial instruments with off-balance-sheet credit risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit and financial guarantees. Those instruments involve elements of credit and interest-rate risk similar to the risk involved in on-balance sheet items recognized in the Condensed Consolidated Balance Sheets. The contract or notional amounts of those instruments reflect the extent of the Bank's involvement in particular classes of financial instruments. 

The Bank's exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit, and financial guarantees written, is represented by the contractual notional amount of those instruments. The Bank uses the same credit policies in making commitments and conditional obligations as it does for on-balance-sheet instruments. 

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any covenant or condition established in the applicable contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. While most standby letters of credit are not utilized, a significant portion of such utilization is on an immediate payment basis. The Bank evaluates each customer's creditworthiness on a case-by-case basis. The amount of collateral obtained, if it is deemed necessary by the Bank upon extension of credit, is based on management's credit evaluation of the counterparty. Collateral varies but may include cash, accounts receivable, inventory, premises and equipment and income-producing commercial properties. 

Standby letters of credit and financial guarantees written are conditional commitments issued by the Bank to guarantee the performance of a customer to a third party. These guarantees are primarily issued to support public and private borrowing arrangements, including international trade finance, commercial paper, bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. The Bank holds cash, marketable securities, or real estate as collateral supporting those commitments for which collateral is deemed necessary. The Bank was not required to perform on any financial guarantees during the three months ended March 31, 2015 and March 31, 2014. At March 31, 2015, approximately $47.8 million of standby letters of credit expire within one year, and $8.8 million expire thereafter. Upon issuance, the Bank recognizes a liability equivalent to the amount of fees received from the customer for these standby letter of credit commitments. Fees are recognized ratably over the term of the standby letter of credit. The estimated fair value of guarantees associated with standby letters of credit was $1.1 million as of March 31, 2015. 

Residential mortgage loans sold into the secondary market are sold with limited recourse against the Company, meaning that the Company may be obligated to repurchase or otherwise reimburse the investor for incurred losses on any loans that suffer an early payment default, are not underwritten in accordance with investor guidelines or are determined to have pre-closing borrower misrepresentations. As of March 31, 2015, the Company had a residential mortgage loan repurchase reserve liability of $3.3 million.

Legal Proceedings—The Bank owns 483,806 shares of Class B common stock of Visa Inc. which are convertible into Class A common stock at a conversion ratio of 1.6483 per Class A share. As of March 31, 2015, the closing value of the Class A shares was $65.48 per share. Utilizing the conversion ratio, the value of unredeemed Class A equivalent shares owned by the Bank was $52.2 million as of March 31, 2015, and has not been reflected in the accompanying financial statements. The shares of Visa Inc. Class B common stock are restricted and may not be transferred. Visa member banks are required to fund an escrow account to cover settlements, resolution of pending litigation and related claims. If the funds in the escrow account are insufficient to settle all the covered litigation, Visa Inc. may sell additional Class A shares and use the proceeds to settle litigation, thereby reducing the conversion ratio.  If funds remain in the escrow account after all litigation is settled, the Class B conversion ratio will be increased to reflect that surplus. 

On July 13, 2012, Visa Inc. announced that it had entered into a memorandum of understanding obligating it to enter into a settlement agreement to resolve the multi-district interchange litigation brought by the class plaintiffs in the matter styled In re Payment Card Interchange Fee and Merchant Discount Antitrust Litigation, Case No. 5-MD-1720 (JG) (JO) pending in the U.S. District Court for the Eastern District of New York. The claims originally were brought by a class of U.S. retailers in 2005. The settlement was approved by the court on December 13, 2013, but that decision is currently being appealed. Visa's share of the previously agreed settlement amount was approximately $4.4 billion. However, because of the pending appeal, the ultimate effect of this settlement on the value of the Bank's Class B common stock is unknown at this time. 

In the ordinary course of business, various claims and lawsuits are brought by and against the Company and its subsidiaries, including the Bank and Umpqua Investments. In the opinion of management, there is no pending or threatened proceeding in which an adverse decision could result in a material adverse change in the Company's consolidated financial condition or results of operations. 

Concentrations of Credit Risk— The Bank grants real estate mortgage, real estate construction, commercial, agricultural and installment loans and leases to customers throughout Oregon, Washington, California, Idaho, and Nevada. In management's judgment, a concentration exists in real estate-related loans, which represented approximately 80% of the Bank's loan and lease portfolio at March 31, 2015 and December 31, 2014.  Commercial real estate concentrations are managed to assure wide geographic and business diversity. Although management believes such concentrations have no more than the normal risk of collectability, a substantial decline in the economy in general, material increases in interest rates, changes in tax policies, tightening credit or refinancing markets, or a decline in real estate values in the Bank's primary market areas in particular, could have an adverse impact on the repayment of these loans.  Personal and business incomes, proceeds from the sale of real property, or proceeds from refinancing, represent the primary sources of repayment for a majority of these loans. 

The Bank recognizes the credit risks inherent in dealing with other depository institutions. Accordingly, to prevent excessive exposure to any single correspondent, the Bank has established general standards for selecting correspondent banks as well as internal limits for allowable exposure to any single correspondent. In addition, the Bank has an investment policy that sets forth limitations that apply to all investments with respect to credit rating and concentrations with an issuer.

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Derivatives (Offsetting Derivatives Assets) (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Interest Rate Swap [Member]
Derivative Assets
Derivative Assets, Gross Amounts of Recognized Assets	$ 37,487	$ 26,327
Derivative Assets, Gross Amounts Offset in the Statement of Financial Position	0	0
Derivatives Assets, Net Amounts of Assets presented in the Statement of Financial Position	37,487	26,327
Derivative Asset, Fair Value, Amount Not Offset Against Collateral [Abstract]
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	(131)
Derivative Assets, Gross Amounts Not Offset in the Statement of Financial Position, Collateral Posted	0	0
Derivative Assets, Net Amount	$ 37,487	$ 26,196

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Fair Value Measurement (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Fair Value Disclosures [Abstract]
Other Company Stock Owned Fair Value Discount Percentage	5.00%
Net gain (loss) representing the change in fair value in earnings	$ 4,900	$ 324

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Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
INTEREST INCOME
Interest and fees on loans and leases	$ 214,663	$ 103,986
Interest and dividends on investment securities:
Taxable	11,551	9,291
Exempt from federal income tax	2,720	2,112
Dividends	101	50
Interest on temporary investments and interest bearing deposits	825	441
Total interest income	229,860	115,880
INTEREST EXPENSE
Interest on deposits	7,103	3,848
Interest on securities sold under agreement to repurchase	48	41
Interest on term debt	3,464	2,273
Interest on junior subordinated debentures	3,337	1,880
Total interest expense	13,952	8,042
Net interest income	215,908	107,838
PROVISION FOR LOAN AND LEASE LOSSES	12,637	5,971
Net interest income after provision for loan and lease losses	203,271	101,867
NON-INTEREST INCOME
Service charges on deposit accounts	14,296	7,767
Brokerage commissions and fees	4,769	3,725
Mortgage banking revenue, net	28,227	10,439
Gain on investment securities, net	116	0
Gain on loan sales	6,728	517
Loss on junior subordinated debentures carried at fair value	(1,555)	(542)
Change in FDIC indemnification asset	(1,286)	(4,840)
BOLI income	2,781	736
Other income	9,519	5,436
Total non-interest income	63,595	23,238
NON-INTEREST EXPENSE
Salaries and employee benefits	107,923	53,218
Net occupancy and equipment	32,150	16,501
Communications	4,794	2,902
Marketing	3,027	1,005
Services	13,988	5,990
FDIC assessments	3,214	1,863
Net loss (gain) on other real estate owned	1,814	(64)
Intangible amortization	2,806	1,194
Merger related expenses	14,082	5,983
Other expenses	9,300	7,926
Total Non-interest expense	193,098	96,518
Income before income taxes	73,768	28,587
Provision for income taxes	26,639	9,936
Net income	47,129	18,651
Dividends and undistributed earnings allocated to participating securities	84	113
Net earnings available to common shareholders	$ 47,045	$ 18,538
Earnings per common share:
Basic (in usd per share)	$ 0.21	$ 0.17
Diluted (in usd per share)	$ 0.21	$ 0.16
Weighted average number of common shares outstanding:
Basic (in shares)	220,349	112,170
Diluted (in shares)	221,051	112,367

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Investment Securities

3 Months Ended

Mar. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities 

The following table presents the amortized costs, unrealized gains, unrealized losses and approximate fair values of investment securities at March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	321,744		16,398		(540		)	337,602
Residential mortgage-backed securities and collateralized mortgage obligations	2,179,212		23,398		(7,409		)	2,195,201
Investments in mutual funds and other equity securities	2,016		73		—			2,089
	$	2,503,185	$	39,885	$	(7,949	)	$	2,535,121
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	4,953	$	478	$	(2	)	$	5,429
	$	4,953	$	478	$	(2	)	$	5,429

(in thousands)	December 31, 2014
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
AVAILABLE FOR SALE:
U.S. Treasury and agencies	$	213	$	16	$	—		$	229
Obligations of states and political subdivisions	325,189		14,056		(841		)	338,404
Residential mortgage-backed securities and collateralized mortgage obligations	1,951,514		17,398		(11,060		)	1,957,852
Investments in mutual funds and other equity securities	2,016		54		—			2,070
	$	2,278,932	$	31,524	$	(11,901	)	$	2,298,555
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	5,088	$	358	$	(15	)	$	5,431
Other investment securities	123		—		—			123
	$	5,211	$	358	$	(15	)	$	5,554

Investment securities that were in an unrealized loss position as of March 31, 2015 and December 31, 2014 are presented in the following tables, based on the length of time individual securities have been in an unrealized loss position. In the opinion of management, these securities are considered only temporarily impaired due to changes in market interest rates or the widening of market spreads subsequent to the initial purchase of the securities, and not due to concerns regarding the underlying credit of the issuers or the underlying collateral. 

March 31, 2015
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	4,169	$	434	$	6,176	$	106	$	10,345	$	540
Residential mortgage-backed securities and collateralized mortgage obligations	368,351		1,242		360,210		6,167		728,561		7,409
Total temporarily impaired securities	$	372,520	$	1,676	$	366,386	$	6,273	$	738,906	$	7,949
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	38	$	2	$	—	$	—	$	38	$	2
Total temporarily impaired securities	$	38	$	2	$	—	$	—	$	38	$	2

December 31, 2014
(in thousands)	Less than 12 Months				12 Months or Longer				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
AVAILABLE FOR SALE:
Obligations of states and political subdivisions	$	11,100	$	547	$	8,550	$	294	$	19,650	$	841
Residential mortgage-backed securities and collateralized mortgage obligations	220,577		815		495,096		10,245		715,673		11,060
Total temporarily impaired securities	$	231,677	$	1,362	$	503,646	$	10,539	$	735,323	$	11,901
HELD TO MATURITY:
Residential mortgage-backed securities and collateralized mortgage obligations	$	224	$	15	$	—	$	—	$	224	$	15
Total temporarily impaired securities	$	224	$	15	$	—	$	—	$	224	$	15

The unrealized losses on obligations of political subdivisions were caused by changes in market interest rates or the widening of market spreads subsequent to the initial purchase of these securities. Management monitors published credit ratings of these securities and no adverse ratings changes have occurred since the date of purchase of obligations of political subdivisions which are in an unrealized loss position as of March 31, 2015. Because the decline in fair value is attributable to changes in interest rates or widening market spreads and not credit quality, and because the Bank does not intend to sell the securities in this class and it is not likely that the Bank will be required to sell these securities before recovery of their amortized cost basis, which may include holding each security until maturity, the unrealized losses on these investments are not considered other-than-temporarily impaired. 

All of the available for sale residential mortgage-backed securities and collateralized mortgage obligations portfolio in an unrealized loss position at March 31, 2015 are issued or guaranteed by governmental agencies. The unrealized losses on residential mortgage-backed securities and collateralized mortgage obligations were caused by changes in market interest rates or the widening of market spreads subsequent to the initial purchase of these securities, and not concerns regarding the underlying credit of the issuers or the underlying collateral. It is expected that these securities will not be settled at a price less than the amortized cost of each investment. Because the decline in fair value is attributable to changes in interest rates or widening market spreads and not credit quality, and because the Bank does not intend to sell the securities in this class and it is not likely that the Bank will be required to sell these securities before recovery of their amortized cost basis, which may include holding each security until contractual maturity, these investments are not considered other-than-temporarily impaired. 

The following table presents the maturities of investment securities at March 31, 2015: 

(in thousands)	Available For Sale				Held To Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
AMOUNTS MATURING IN:
Three months or less	$	9,860	$	9,888	$	—	$	—
Over three months through twelve months	56,364		57,003		—		—
After one year through five years	1,486,535		1,513,798		29		30
After five years through ten years	758,471		759,196		24		25
After ten years	189,939		193,147		4,900		5,374
Other investment securities	2,016		2,089		—		—
	$	2,503,185	$	2,535,121	$	4,953	$	5,429

The amortized cost and fair value of collateralized mortgage obligations and mortgage-backed securities are presented by expected average life, rather than contractual maturity, in the preceding table. Expected maturities may differ from contractual maturities because borrowers have the right to prepay underlying loans without prepayment penalties. The following table presents the gross realized gains and gross realized losses on the sale of securities available for sale for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015				March 31, 2014
	Gains		Losses		Gains		Losses
Residential mortgage-backed securities and collateralized mortgage obligations	$	316	$	200	$	—	$	—
	$	316	$	200	$	—	$	—

The following table presents, as of March 31, 2015, investment securities which were pledged to secure borrowings, public deposits, and repurchase agreements as permitted or required by law: 

(in thousands)	Amortized		Fair
	Cost		Value
To Federal Home Loan Bank to secure borrowings	$	2,044	$	2,130
To state and local governments to secure public deposits	1,608,409		1,633,048
Other securities pledged principally to secure repurchase agreements	449,994		453,419
Total pledged securities	$	2,060,447	$	2,088,597

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Business Combinations

3 Months Ended

Mar. 31, 2015

Business Combinations [Abstract]

Business Combinations

Business Combinations 

Sterling Financial Corporation

As of the close of business on April 18, 2014, the Company completed its merger with Sterling Financial Corporation, a Washington corporation ("Sterling").  The results of Sterling's operations are included in the Company's financial results beginning April 19, 2014 and the combined company's banking operations are operating under the Umpqua Bank name and brand.

The structure of the transaction was as follows:

• Sterling merged with and into the Company (the "Merger" or the "Sterling Merger") with the Company as the surviving corporation in the Merger;

• Immediately following the Merger, Sterling's wholly owned banking subsidiary, Sterling Savings Bank, merged with and into the Bank (the "Bank Merger"), with the Bank as the surviving bank in the Bank Merger;

• Holders of shares of common stock of Sterling had the right to receive 1.671 shares of the Company's common stockand $2.18 in cash for each share of Sterling common stock;

• Each outstanding warrant issued by Sterling converted into a warrant exercisable for 1.671 shares of the Company's common stockand $2.18 in cash for each warrant when exercised;

• Each outstanding option to purchase a share of Sterling common stock converted into an option to purchase 1.7896 shares of the Company's common stock, subject to vesting conditions; and

• Each outstanding restricted stock unit in respect of Sterling common stock converted into a restricted stock unit in respect of 1.7896 shares of the Company common stock, subject to vesting conditions.

A summary of the consideration paid, the assets acquired and liabilities assumed in the Merger are presented below:

(in thousands)
	Sterling
	April 18, 2014
Fair value of consideration to Sterling shareholders:
Cash paid			$	136,200
Liability recorded for warrants' cash payment per share			6,453
Fair value of common shares issued			1,939,497
Fair value of warrants, common stock options, and restricted stock exchanged			50,317
Total consideration			2,132,467
Fair value of assets acquired:
Cash and cash equivalents	$	253,067
Investment securities	1,378,300
Loans held for sale	214,911
Loans and leases	7,123,168
Premises and equipment	116,576
Residential mortgage servicing rights	62,770
Other intangible assets	54,562
Other real estate owned	8,666
Bank owned life insurance	193,246
Deferred tax asset	300,015
Accrued interest receivable	23,553
Other assets	148,906
Total assets acquired	9,877,740
Fair value of liabilities assumed:
Deposits	7,086,052
Securities sold under agreements to repurchase	584,746
Term debt	854,737
Junior subordinated debentures	156,171
Other liabilities	87,902
Total liabilities assumed	$	8,769,608
Net assets acquired			1,108,132
Goodwill			$	1,024,335

The primary reason for the Merger was to continue the Company's growth strategy, including expanding our geographic footprint in markets throughout the West Coast. All of the goodwill recorded has been attributed to the Community Banking segment and reporting unit. None of the goodwill will be deductible for income tax purposes.

Subsequent to acquisition, the Company repaid securities sold under agreements to repurchase acquired of $500.0 million, funded through the sale of acquiredinvestment securities in the second quarter of 2014. On June 20, 2014, the Company completed the required divestiture of six stores acquired in the Merger to another financial institution. The divestiture of the six stores included $211.5 million of deposits and $88.3 million of loans. The assets were sold at a discount of $7.0 million, which was recorded by Sterling prior to the Merger.

As of April 18, 2014, the unpaid principal balance on purchased non-impaired loans was $7.0 billion. The fair value of the purchased non-impaired loans was $6.7 billion, resulting in a discount of $230.5 million being recorded on these loans.

The following table presents the acquired purchased impaired loans as of the acquisition date:

(in thousands)	Purchased impaired
Contractually required principal payments	$	604,136
Nonaccretable difference	(95,614		)
Cash flows expected to be collected	508,522
Accretable yield	(110,757		)
Fair value of purchased impaired loans	$	397,765

The operations of Sterling are included in our operating results beginning on April 19, 2014, and contributed an estimated net interest income of $114.0 million and net income of $33.9 million for the three months ended March 31, 2015.

The following table provides a breakout of Merger related expense for the three months ended March 31, 2015.

(in thousands)
	Three Months Ended
	March 31, 2015
Personnel	$	4,367
Legal and professional	3,913
Premises and Equipment	3,017
Communication	434
Other	2,351
Total Merger related expense	$	14,082

The following table presents unaudited pro forma results of operations for the three months ended March 31, 2014, as if the Sterling Merger had occurred on January 1, 2013. The pro forma results have been prepared for comparative purposes only and are not necessarily indicative of the results that would have been obtained had the acquisition actually occurred on January 1, 2013. The pro forma results include the impact of certain purchase accounting adjustments including accretion of loan discount, intangible assets amortization and deposit and borrowing premium accretion. These purchase accounting adjustments increased pro forma net income by $16.1 million for the three months ended March 31, 2014.

(in thousands, except per share data)	Pro Forma
	Three Months Ended
	March 31,
	2014
Net interest income	$	222,766	(1), (2), (3)
Provision for loan and lease losses	5,971
Non-interest income	45,018		(4), (5), (6)
Non-interest expense	188,488		(7)
Income before provision for income taxes	73,325
Provision for income taxes	26,073
Net income	47,252
Dividends and undistributed earnings allocated to participating securities	113
Net earnings available to common shareholders	$	47,139
Earnings per share:
Basic	$	0.22
Diluted	$	0.22
Average shares outstanding:
Basic	216,438
Diluted	217,523

(1) Includes $26.7 million of incremental loan discount accretion for the three months ended March 31, 2014.

(2) Includes a reduction of interest income of $1.5 million related to investment securities premiums amortization for the three months ended March 31, 2014.

(3) Includes a reduction of interest expense of $4.9 million related to deposit and borrowing premiums amortization for the three months ended March 31, 2014.

(4) Includes a reduction of service charges on deposits of $1.4 million as a result of passing the $10 billion asset threshold for the three months ended March 31, 2014.

(5) Includes a loss on junior subordinated debentures carried at fair value of $952,000 for the three months ended March 31, 2014.

(6) Includes the reversal of the $7.0 million loss on the required divestiture of six Sterling stores in connection with the merger for the three months ended March 31, 2014.

(7) Includes a net increase of $5.4 million of merger expenses and $1.7 million of incremental core deposit intangible amortization for the three months ended March 31, 2014.

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Segment Information

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information

Segment Information 

The Company operates two primary segments: Community Banking and Home Lending. The Community Banking segment's principal business focus is the offering of loan and deposit products to business and retail customers in its primary market areas. As of March 31, 2015, the Community Banking segment operated 385 locations throughout Oregon, Washington, California, Idaho, and Nevada.

The Home Lending segment, which operates as a division of the Bank, originates, sells and services residential mortgage loans.  

In the second quarter of 2014, the Company combined its Wealth Management segment into the Community Banking segment as Wealth Management no longer met the definition of an operating segment. The segment results for comparable periods have been modified to reflect the current period presentation.

Summarized financial information concerning the Company's reportable segments and the reconciliation to the consolidated financial results is shown in the following tables: 

(in thousands)	Three Months Ended March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	207,628	$	22,232	$	229,860
Interest expense	12,019		1,933		13,952
Net interest income	195,609		20,299		215,908
Provision for loan and lease losses	12,637		—		12,637
Non-interest income	28,955		34,640		63,595
Non-interest expense	167,092		26,006		193,098
Income before income taxes	44,835		28,933		73,768
Provision for income taxes	16,194		10,445		26,639
Net income	28,641		18,488		47,129
Dividends and undistributed earnings allocated to participating securities	84		—		84
Net earnings available to common shareholders	$	28,557	$	18,488	$	47,045

(in thousands)	Three Months Ended March 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	110,156	$	5,724	$	115,880
Interest expense	7,488		554		8,042
Net interest income	102,668		5,170		107,838
Provision for loan and lease losses	5,971		—		5,971
Non-interest income	12,718		10,520		23,238
Non-interest expense	89,334		7,184		96,518
Income before income taxes	20,081		8,506		28,587
Provision for income taxes	6,534		3,402		9,936
Net income	13,547		5,104		18,651
Dividends and undistributed earnings allocated to participating securities	113		—		113
Net earnings available to common shareholders	$	13,434	$	5,104	$	18,538

(in thousands)	March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,262,775	$	2,690,383	$	22,953,158
Total loans and leases	$	13,339,829	$	2,209,128	$	15,548,957
Total deposits	$	17,160,722	$	61,844	$	17,222,566

(in thousands)	December 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,095,189	$	2,514,714	$	22,609,903
Total loans and leases	$	13,181,463	$	2,146,269	$	15,327,732
Total deposits	$	16,850,682	$	41,417	$	16,892,099

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Derivatives

3 Months Ended

Mar. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives 

The Bank may use derivatives to hedge the risk of changes in the fair values of interest rate lock commitments, residential mortgage loans held for sale, and residential mortgage servicing rights. None of the Company's derivatives are designated as hedging instruments.  Rather, they are accounted for as free-standing derivatives, or economic hedges, with changes in the fair value of the derivatives reported in income. The Company primarily utilizes forward interest rate contracts in its derivative risk management strategy. 

The Bank enters into forward delivery contracts to sell residential mortgage loans or mortgage-backed securities to broker/dealers at specific prices and dates in order to hedge the interest rate risk in its portfolio of mortgage loans held for sale and its residential mortgage loan commitments.  Credit risk associated with forward contracts is limited to the replacement cost of those forward contracts in a gain position.  There were no counterparty default losses on forward contracts in the three months ended March 31, 2015 and 2014.  Market risk with respect to forward contracts arises principally from changes in the value of contractual positions due to changes in interest rates. The Bank limits its exposure to market risk by monitoring differences between commitments to customers and forward contracts with broker/dealers. In the event the Company has forward delivery contract commitments in excess of available mortgage loans, the Company completes the transaction by either paying or receiving a fee to or from the broker/dealer equal to the increase or decrease in the market value of the forward contract. At March 31, 2015, the Bank had commitments to originate mortgage loans held for sale totaling $458.4 million and forward sales commitments of $692.9 million, which are used to hedge both on-balance sheet and off-balance sheet exposures. 

The Bank's mortgage banking derivative instruments do not have specific credit risk-related contingent features.  The forward sales commitments do have contingent features that may require transferring collateral to the broker/dealers upon their request. However, this amount would be limited to the net unsecured loss exposure at such point in time and would not materially affect the Company's liquidity or results of operations. 

The Bank executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies.  Those interest rate swaps are simultaneously hedged by offsetting the interest rate swaps that the Bank executes with a third party, such that the Bank minimizes its net risk exposure. As of March 31, 2015, the Bank had 325 interest rate swaps with an aggregate notional amount of $1.5 billion related to this program. 

In connection with the interest rate swap program with commercial customers, the Bank has agreements with its derivative counterparties that contain a provision where if the Bank defaults on any of its indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender, then the Bank could also be declared in default on its derivative obligations. The Bank also has agreements with its derivative counterparties that contain a provision where if the Bank fails to maintain its status as a well/adequately capitalized institution, then the counterparty could terminate the derivative positions and the Bank would be required to settle its obligations under the agreements. Similarly, the Bank could be required to settle its obligations under certain of its agreements if specific regulatory events occur, such as if the Bank were issued a prompt corrective action directive or a cease and desist order, or if certain regulatory ratios fall below specified levels. If the Bank had breached any of these provisions at March 31, 2015, it could have been required to settle its obligations under the agreements at the termination value.

As of March 31, 2015, the termination value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to these agreements was $41.0 million.  The Bank has collateral posting requirements for initial or variation margins with its clearing members and clearing houses and has been required to post collateral against its obligations under these agreements of $59.5 million and $43.5 million as of March 31, 2015 and December 31, 2014, respectively. 

The Bank incorporates credit valuation adjustments ("CVA") to appropriately reflect nonperformance risk in the fair value measurement of its derivatives. As of March 31, 2015, the net CVA decreased the settlement values of the Bank's net derivative assets by $2.7 million. Various factors impact changes in the CVA over time, including changes in the credit spreads of the parties to the contracts, as well as changes in market rates and volatilities, which affect the total expected exposure of the derivative instruments. 

The following tables summarize the types of derivatives, separately by assets and liabilities, and the fair values of such derivatives as of March 31, 2015 and December 31, 2014: 

(in thousands)	Asset Derivatives				Liability Derivatives
Derivatives not designated	March 31,		December 31,		March 31,		December 31,
as hedging instrument	2015		2014		2015		2014
Interest rate lock commitments	$	7,025	$	2,867	$	—	$	—
Interest rate forward sales commitments	264		16		4,243		2,627
Interest rate swaps	37,487		26,327		40,101		28,158
Total	$	44,776	$	29,210	$	44,344	$	30,785

The fair values of the derivatives are recorded in other assets and other liabilities. The following table summarizes the types of derivatives and the gains (losses) recorded during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three months ended
Derivatives not designated	March 31,
as hedging instrument	2015			2014
Interest rate lock commitments	$	4,157		$	688
Interest rate forward sales commitments	(5,104		)	(2,648		)
Interest rate swaps	(781		)	(1,214		)
Total	$	(1,728	)	$	(3,174	)

The gains and losses on the Company's mortgage banking derivatives are included in mortgage banking revenue. The gains and losses on the Company's interest rate swaps are included in other income.

The following table summarizes the derivatives that have a right of offset as of March 31, 2015 and December 31, 2014:

(in thousands)							Gross Amounts Not Offset in the Statement of Financial Position
	Gross Amounts of Recognized Assets/Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets/Liabilities presented in the Statement of Financial Position		Financial Instruments			Collateral Posted			Net Amount
March 31, 2015
Derivative Assets
Interest rate swaps	$	37,487	$	—	$	37,487	$	—		$	—		$	37,487
Derivative Liabilities
Interest rate swaps	$	40,101	$	—	$	40,101	$	—		$	(40,101	)	$	—
December 31, 2014
Derivative Assets
Interest rate swaps	$	26,327	$	—	$	26,327	$	(131	)	$	—		$	26,196
Derivative Liabilities
Interest rate swaps	$	28,158	$	—	$	28,158	$	(131	)	$	(28,027	)	$	—

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Shareholders' Equity and Stock Compensation (Summary Of Non-option Share Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance	1,386
Granted/Assumed	552
Released	(321)
Forfeited/Expired	(13)
Ending Balance	1,604
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value - Beginning Balance	$ 15.39
Weighted Average Grant Date Fair Value - Granted/Assumed	$ 16.04
Weighted Average Grant Date Fair Value - Released	$ 13.26
Weighted Average Grant Date Fair Value - Forfeited/Expired	$ 11.63
Weighted Average Grant Date Fair Value - Ending Balance	$ 16.29
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Beginning Balance	675
Granted/Assumed	0
Released	(85)
Forfeited/Expired	(13)
Ending Balance	577
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value - Beginning Balance	$ 18.03
Weighted Average Grant Date Fair Value - Granted/Assumed	$ 0.00
Weighted Average Grant Date Fair Value - Released	$ 16.83
Weighted Average Grant Date Fair Value - Forfeited/Expired	$ 17.20
Weighted Average Grant Date Fair Value - Ending Balance	$ 18.58

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Goodwill and Other Intangible Assets (Notes)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The following tables summarize the changes in the Company's goodwill and other intangible assets for the year ended December 31, 2014, and the three months ended March 31, 2015. Goodwill and all other intangible assets are related to the Community Banking segment.

(in thousands)	Goodwill
			Accumulated
	Gross		Impairment			Total
Balance, December 31, 2013	$	877,239	$	(112,934	)	$	764,305
Net additions	1,021,920		—			1,021,920
Balance, December 31, 2014	1,899,159		(112,934		)	1,786,225
Net additions	2,415		—			2,415
Balance, March 31, 2015	$	1,901,574	$	(112,934	)	$	1,788,640

Goodwill represents the excess of the total acquisition price paid over the fair value of the assets acquired, net of the fair values of liabilities assumed. Additional information on the acquisitions and acquisition price allocations is provided in Note 2. The additions to goodwill in 2015 of $2.4 million relate to acquisition accounting adjustments.

(in thousands)	Other Intangible Assets
			Accumulated
	Gross		Amortization			Net
Balance, December 31, 2013	$	58,909	$	(46,531	)	$	12,378
Net additions	54,562		—			54,562
Amortization	—		(10,207		)	(10,207		)
Balance, December 31, 2014	113,471		(56,738		)	56,733
Net additions	—		—			—
Amortization	—		(2,806		)	(2,806		)
Balance, March 31, 2015	$	113,471	$	(59,544	)	$	53,927

Intangible additions in 2014 relate to the Merger and represent the value of the core deposits, which includes all deposits except certificates of deposit. The value of the core deposit intangible assets were determined by an analysis of the cost differential between the core deposits inclusive of estimated servicing costs and alternative funding sources. The core deposit intangible recorded in connection with the Merger will be amortized on an accelerated basis over a period of 10 years.

The Company conducts its annual evaluation of goodwill for impairment as of its year end of December 31. Goodwill and other intangibles are required to be analyzed for impairment if certain triggering events occur. During the three months ended March 31, 2015, management determined that no triggering events occurred that required an impairment analysis. The table below presents the forecasted amortization expense for other intangible assets acquired in all mergers:

(in thousands)
	Expected
Year	Amortization
Remainder of 2015	$	8,419
2016	8,622
2017	6,756
2018	6,166
2019	5,618
Thereafter	18,346
	$	53,927

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Allowance for Loan and Lease Loss and Credit Quality (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 117,201	$ 126,769
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	45,350	52,782
Impaired Financing Receivable, with Related Allowance, Recorded Investment	48,990	49,790
Related Allowance	1,400	1,408
Non-owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	41,615	42,793
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	14,936	16,916
Impaired Financing Receivable, with Related Allowance, Recorded Investment	22,100	22,190
Related Allowance	502	502
Owner Occupied Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	15,531	16,339
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,203	8,290
Impaired Financing Receivable, with Related Allowance, Recorded Investment	7,064	7,655
Related Allowance	361	364
Multifamily [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,519	4,040
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	300
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,519	3,519
Related Allowance	49	49
Construction & Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,655	2,655
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,091	1,091
Related Allowance	7	7
Residential Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	9,568	9,670
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	9,568	9,675
Related Allowance	162	166
Term [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	29,026	31,733
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	20,600	18,701
Impaired Financing Receivable, with Related Allowance, Recorded Investment	256	256
Related Allowance	12	12
LOC & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	14,515	18,761
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,611	8,575
Impaired Financing Receivable, with Related Allowance, Recorded Investment	5,392	5,404
Related Allowance	307	308
Mortgage [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	622	626
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	0	0
Consumer & Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	150	152
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Related Allowance	$ 0	$ 0

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Loans and Leases

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Non-Covered Loans and Leases

Note 4– Loans and Leases

The following table presents the major types of loans and leases, net of deferred fees and costs, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31,		December 31,
	2015		2014
Commercial real estate
Non-owner occupied term, net	$	3,303,629	$	3,290,610
Owner occupied term, net	2,577,484		2,633,864
Multifamily, net	2,764,403		2,638,618
Construction & development, net	238,303		258,722
Residential development, net	81,160		81,846
Commercial
Term, net	1,128,986		1,102,987
LOC & other, net	1,275,871		1,322,722
Leases and equipment finance, net	570,492		523,114
Residential
Mortgage, net	2,330,325		2,233,735
Home equity loans & lines, net	863,269		852,478
Consumer & other, net	415,035		389,036
Total loans and leases, net of deferred fees and costs	$	15,548,957	$	15,327,732

The loan balances are net of deferred fees and costs of $31.7 million and $26.3 million as of March 31, 2015 and December 31, 2014, respectively. Net loans include discounts on acquired loans of $198.1 million and $236.6 million as of March 31, 2015 and December 31, 2014, respectively. As of March 31, 2015, loans totaling $8.4 billion were pledged to secure borrowings and available lines of credit.

The outstanding contractual unpaid principal balance of purchased impaired loans, excluding acquisition accounting adjustments, was $711.2 million and $770.9 million at March 31, 2015 and December 31, 2014, respectively. The carrying balance of purchased impaired loans was $521.1 million and $562.9 million at March 31, 2015 and December 31, 2014, respectively.

The following table presents the changes in the accretable yield for purchased impaired loans for the three months ended March 31, 2015 and 2014:

(in thousands)	Three Months Ended
	March 31, 2015
	Evergreen			Rainier			Nevada Security			Circle			Sterling			Total
Balance, beginning of period	$	9,466		$	49,989		$	23,666		$	796		$	117,782		$	201,699
Accretion to interest income	(1,722		)	(2,993		)	(2,892		)	(112		)	(5,564		)	(13,283		)
Disposals	(2,036		)	(632		)	(1,293		)	—			(2,952		)	(6,913		)
Reclassifications from (to) nonaccretable difference	2,240			1,654			1,149			37			(996		)	4,084
Balance, end of period	$	7,948		$	48,018		$	20,630		$	721		$	108,270		$	185,587
	Three Months Ended
	March 31, 2014
	Evergreen			Rainier			Nevada Security			Circle			Total
Balance, beginning of period	$	20,063		$	71,789		$	34,632		$	1,140		$	127,624
Accretion to interest income	(3,637		)	(4,281		)	(4,464		)	(87		)	(12,469		)
Disposals	(1,240		)	(987		)	(1,630		)	—			(3,857		)
Reclassifications from nonaccretable difference	974			1,402			2,953			—			5,329
Balance, end of period	$	16,160		$	67,923		$	31,491		$	1,053		$	116,627

Loans acquired in a FDIC-assisted acquisition that are subject to a loss-share agreement are referred to as covered loans. Covered loans are reported exclusive of the cash flow reimbursements expected from the FDIC. The following table summarizes the activity related to the FDIC indemnification asset for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months ended
	March 31,
	2015			2014
Balance, beginning of period	$	4,417		$	23,174
Change in FDIC indemnification asset	(1,286		)	(4,840		)
Transfers to due from FDIC and other	(1,270		)	28
Balance, end of period	$	1,861		$	18,362

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Allowance for Loan and Lease Loss and Credit Quality

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Allowance for Non-Covered Loan Loss and Credit Quality

Allowance for Loan and Lease Loss and Credit Quality 

The Bank's methodology for assessing the appropriateness of the Allowance for Loan and Lease Loss ("ALLL") consists of three key elements: 1) the formula allowance; 2) the specific allowance; and 3) the unallocated allowance. By incorporating these factors into a single allowance requirement analysis, we believe all risk-based activities within the loan and lease portfolios are simultaneously considered. 

Formula Allowance 

When loans and leases are originated or acquired, they are assigned a risk rating that is reassessed periodically during the term of the loan or lease through the credit review process.  The Bank's risk rating methodology assigns risk ratings ranging from 1 to 10, where a higher rating represents higher risk. The 10 risk rating categories are a primary factor in determining an appropriate amount for the formula allowance. 

The formula allowance is calculated by applying risk factors to various segments of pools of outstanding loans and leases. Risk factors are assigned to each portfolio segment based on management's evaluation of the losses inherent within each segment. Segments or regions with greater risk of loss will therefore be assigned a higher risk factor. 

Base risk – The portfolio is segmented into loan categories, and these categories are assigned a Base risk factor based on an evaluation of the loss inherent within each segment. 

Extra risk – Additional risk factors provide for an additional allocation of ALLL based on the loan and lease risk rating system and loan delinquency, and reflect the increased level of inherent losses associated with more adversely classified loans and leases. 

Risk factors may be changed periodically based on management's evaluation of the following factors: loss experience; changes in the level of non-performing loans and leases; regulatory exam results; changes in the level of adversely classified loans and leases; improvement or deterioration in local economic conditions; and any other factors deemed relevant.

Specific Allowance 

Regular credit reviews of the portfolio identify loans that are considered potentially impaired. Potentially impaired loans are referred to the ALLL Committee which reviews and approves designated loans as impaired. A loan is considered impaired when, based on current information and events, we determine that we will probably not be able to collect all amounts due according to the loan contract, including scheduled interest payments. When we identify a loan as impaired, we measure the impairment using discounted cash flows or estimated note sale price, except when the sole remaining source of the repayment for the loan is the liquidation of the collateral. In these cases, we use the current fair value of the collateral, less selling costs, instead of discounted cash flows. If we determine that the value of the impaired loan is less than the recorded investment in the loan, we either recognize an impairment reserve as a specific allowance to be provided for in the allowance for loan and lease losses or charge-off the impaired balance on collateral-dependent loans if it is determined that such amount represents a confirmed loss.  Loans determined to be impaired are excluded from the formula allowance so as not to double-count the loss exposure. The non-accrual impaired loans as of period-end have already been partially charged-off to their estimated net realizable value, and are expected to be resolved over the coming quarters with no additional material loss, absent further decline in market prices. 

The combination of the formula allowance component and the specific allowance component represents the allocated allowance for loan and lease losses. 

Management believes that the ALLL was adequate as of March 31, 2015. There is, however, no assurance that future loan and lease losses will not exceed the levels provided for in the ALLL and could possibly result in additional charges to the provision for loan and lease losses.

The reserve for unfunded commitments ("RUC") is established to absorb inherent losses associated with our commitment to lend funds, such as with a letter or line of credit. The adequacy of the ALLL and RUC are monitored on a regular basis and are based on management's evaluation of numerous factors. These factors include the quality of the current loan portfolio; the trend in the loan portfolio's risk ratings; current economic conditions; loan concentrations; loan growth rates; past-due and non-performing trends; evaluation of specific loss estimates for all significant problem loans; historical charge-off and recovery experience; and other pertinent information.

There have been no significant changes to the Bank's ALLL methodology or policies in the periods presented. 

Activity in the Allowance for Loan and Lease Losses 

The following table summarizes activity related to the allowance for loan and lease losses by loan and lease portfolio segment for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended March 31, 2015
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	55,184		$	41,216		$	15,922		$	3,845		$	116,167
Charge-offs	(727		)	(4,564		)	(308		)	(6,946		)	(12,545		)
Recoveries	223			1,071			31			2,520			3,845
Provision	502			6,477			576			5,082			12,637
Balance, end of period	$	55,182		$	44,200		$	16,221		$	4,501		$	120,104
	Three Months Ended March 31, 2014
	Commercial									Consumer
	Real Estate			Commercial			Residential			& Other			Total
Balance, beginning of period	$	59,538		$	27,028		$	7,487		$	1,032		$	95,085
Charge-offs	(2,241		)	(3,519		)	(250		)	(224		)	(6,234		)
Recoveries	830			1,102			162			113			2,207
Provision (recapture)	(209		)	5,620			424			136			5,971
Balance, end of period	$	57,918		$	30,231		$	7,823		$	1,057		$	97,029

The following table presents the allowance and recorded investment in loans and leases by portfolio segment as of March 31, 2015 and 2014: 

(in thousands)	March 31, 2015
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	49,543	$	41,436	$	15,521	$	4,437	$	110,937
Individually evaluated for impairment	1,081		319		—		—		1,400
Loans acquired with deteriorated credit quality	4,558		2,445		700		64		7,767
Total	$	55,182	$	44,200	$	16,221	$	4,501	$	120,104
Loans and leases:
Collectively evaluated for impairment	$	8,475,620	$	2,919,336	$	3,124,655	$	413,882	$	14,933,493
Individually evaluated for impairment	66,481		27,859		—		—		94,340
Loans acquired with deteriorated credit quality	422,878		28,154		68,939		1,153		521,124
Total	$	8,964,979	$	2,975,349	$	3,193,594	$	415,035	$	15,548,957

(in thousands)	March 31, 2014
	Commercial						Consumer
	Real Estate		Commercial		Residential		& Other		Total
Allowance for loans and leases:
Collectively evaluated for impairment	$	50,613	$	27,000	$	7,242	$	959	$	85,814
Individually evaluated for impairment	1,343		15		—		—		1,358
Loans acquired with deteriorated credit quality	5,962		3,216		581		98		9,857
Total	$	57,918	$	30,231	$	7,823	$	1,057	$	97,029
Loans and leases:
Collectively evaluated for impairment	$	4,223,962	$	2,124,134	$	924,561	$	50,637	$	7,323,294
Individually evaluated for impairment	91,190		14,541		—		—		105,731
Loans acquired with deteriorated credit quality	286,507		10,807		35,775		1,577		334,666
Total	$	4,601,659	$	2,149,482	$	960,336	$	52,214	$	7,763,691

The loan and lease balances are net of net deferred loans costs of $31.7 million and $4.7 million at March 31, 2015 and March 31, 2014, respectively.  

Summary of Reserve for Unfunded Commitments Activity 

The following table presents a summary of activity in the RUC and unfunded commitments for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	3,539		$	1,436
Net change to other expense	(345		)	(19		)
Balance, end of period	$	3,194		$	1,417

(in thousands)
	Total
Unfunded loan and lease commitments:
March 31, 2015	$	3,993,400
March 31, 2014	$	1,595,665

Loans and leases sold 

In the course of managing the loan and lease portfolio, at certain times, management may decide to sell loans and leases.  The following table summarizes loans and leases sold by loan portfolio during the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015		2014
Commercial real estate
Non-owner occupied term	$	—	$	3,193
Owner occupied term	3,319		2,147
Multifamily	435		—
Residential development	—		605
Commercial
Term	2,340		15,996
Residential
Mortgage	66,753		331
Total	$	72,847	$	22,272

Asset Quality and Non-Performing Loans and Leases

We manage asset quality and control credit risk through diversification of the loan and lease portfolio and the application of policies designed to promote sound underwriting and loan and lease monitoring practices. The Bank's Credit Quality Administration is charged with monitoring asset quality, establishing credit policies and procedures and enforcing the consistent application of these policies and procedures across the Bank.  Reviews of non-performing, past due loans and leases and larger credits, designed to identify potential charges to the allowance for loan and lease losses, and to determine the adequacy of the allowance, are conducted on an ongoing basis. These reviews consider such factors as the financial strength of borrowers, the value of the applicable collateral, loan and lease loss experience, estimated loan and lease losses, growth in the loan and lease portfolio, prevailing economic conditions and other factors. 

Non-Accrual Loans and Leases and Loans and Leases Past Due

The following table summarizes our non-accrual loans and leases and loans and leases past due, by loan and lease class, as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	487	$	585	$	2,425	$	3,497	$	6,974	$	3,293,158	$	3,303,629
Owner occupied term, net	2,599		2,786		—		5,385		9,219		2,562,880		2,577,484
Multifamily, net	420		—		—		420		—		2,763,983		2,764,403
Construction & development, net	—		—		—		—		—		238,303		238,303
Residential development, net	—		—		—		—		—		81,160		81,160
Commercial
Term, net	1,108		3		21		1,132		17,981		1,109,873		1,128,986
LOC & other, net	927		664		103		1,694		1,611		1,272,566		1,275,871
Leases and equipment finance, net	2,349		1,552		—		3,901		3,358		563,233		570,492
Residential
Mortgage, net	1,485		340		6,874		8,699		636		2,320,990		2,330,325
Home equity loans & lines, net	1,471		1,454		731		3,656		433		859,180		863,269
Consumer & other, net	1,629		629		262		2,520		34		412,481		415,035
Total, net of deferred fees and costs	$	12,475	$	8,013	$	10,416	$	30,904	$	40,246	$	15,477,807	$	15,548,957

(1) Other includes purchased credit impaired loans of $521.1 million.

(in thousands)	December 31, 2014
	Greater than 30 to 59 Days Past Due		60 to 89 Days Past Due		Greater than 90 Days and Accruing		Total Past Due		Non-Accrual		Current & Other (1)		Total Loans and Leases
Commercial real estate
Non-owner occupied term, net	$	452	$	—	$	283	$	735	$	8,957	$	3,280,918	$	3,290,610
Owner occupied term, net	2,304		347		—		2,651		8,292		2,622,921		2,633,864
Multifamily, net	—		512		—		512		300		2,637,806		2,638,618
Construction & development, net	1,091		—		—		1,091		—		257,631		258,722
Residential development, net	6,155		—		—		6,155		—		75,691		81,846
Commercial
Term, net	1,098		242		3		1,343		19,097		1,082,547		1,102,987
LOC & other, net	1,637		1,155		1,223		4,015		8,825		1,309,882		1,322,722
Leases and equipment finance, net	1,482		1,695		695		3,872		5,084		514,158		523,114
Residential
Mortgage, net	8		1,224		4,289		5,521		655		2,227,559		2,233,735
Home equity loans & lines, net	1,924		702		749		3,375		615		848,488		852,478
Consumer & other, net	2,133		498		270		2,901		216		385,919		389,036
Total, net of deferred fees and costs	$	18,284	$	6,375	$	7,512	$	32,171	$	52,041	$	15,243,520	$	15,327,732

(1) Other includes purchased credit impaired loans of $562.9 million

Impaired Loans 

Loans with no related allowance reported generally represent non-accrual loans. The Bank recognizes the charge-off on impaired loans in the period it arises for collateral-dependent loans.  Therefore, the non-accrual loans as of March 31, 2015 have already been written down to their estimated net realizable value and are expected to be resolved with no additional material loss, absent further decline in market prices.  The valuation allowance on impaired loans primarily represents the impairment reserves on performing restructured loans, and is measured by comparing the present value of expected future cash flows on the restructured loans discounted at the interest rate of the original loan agreement to the loan's carrying value. 

 The following table summarizes our impaired loans by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	41,615	$	14,936	$	22,100	$	502
Owner occupied term, net	15,531		8,203		7,064		361
Multifamily, net	3,519		—		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,568		—		9,568		162
Commercial
Term, net	29,026		20,600		256		12
LOC & other, net	14,515		1,611		5,392		307
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	622		—		—		—
Consumer & other, net	150		—		—		—
Total, net of deferred fees and costs	$	117,201	$	45,350	$	48,990	$	1,400

(in thousands)	December 31, 2014
	Unpaid		Recorded Investment
	Principal		Without		With		Related
	Balance		Allowance		Allowance		Allowance
Commercial real estate
Non-owner occupied term, net	$	42,793	$	16,916	$	22,190	$	502
Owner occupied term, net	16,339		8,290		7,655		364
Multifamily, net	4,040		300		3,519		49
Construction & development, net	2,655		—		1,091		7
Residential development, net	9,670		—		9,675		166
Commercial
Term, net	31,733		18,701		256		12
LOC & other, net	18,761		8,575		5,404		308
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	626		—		—		—
Consumer & other, net	152		—		—		—
Total, net of deferred fees and costs	$	126,769	$	52,782	$	49,790	$	1,408

The following table summarizes our average recorded investment and interest income recognized on impaired loans by loan class for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended				Three Months Ended
	March 31, 2015				March 31, 2014
	Average		Interest		Average		Interest
	Recorded		Income		Recorded		Income
	Investment		Recognized		Investment		Recognized
Commercial real estate
Non-owner occupied term, net	$	38,071	$	323	$	51,674	$	349
Owner occupied term, net	15,606		65		12,293		77
Multifamily, net	3,669		31		645		—
Construction & development, net	1,091		11		9,558		118
Residential development, net	9,622		103		16,065		159
Commercial
Term, net	19,907		3		10,643		4
LOC & other, net	10,491		47		2,378		13
Residential
Mortgage, net	—		—		—		—
Home equity loans & lines, net	—		—		—		—
Consumer & other, net	—		—		—		—
Total, net of deferred fees and costs	$	98,457	$	583	$	103,256	$	720

The impaired loans for which these interest income amounts were recognized primarily relate to accruing restructured loans. 

Credit Quality Indicators 

As previously noted, the Bank's risk rating methodology assigns risk ratings ranging from 1 to 10, where a higher rating represents higher risk.  The Bank differentiates its lending portfolios into homogeneous loans and leases and non-homogeneous loans and leases. The 10 risk rating categories can be generally described by the following groupings for non-homogeneous loans and leases: 

Minimal Risk—A minimal risk loan or lease, risk rated 1, is to a borrower of the highest quality. The borrower has an unquestioned ability to produce consistent profits and service all obligations and can absorb severe market disturbances with little or no difficulty. 

Low Risk—A low risk loan or lease, risk rated 2, is similar in characteristics to a minimal risk loan.  Margins may be smaller or protective elements may be subject to greater fluctuation. The borrower will have a strong demonstrated ability to produce profits, provide ample debt service coverage and to absorb market disturbances. 

Modest Risk—A modest risk loan or lease, risk rated 3, is a desirable loan or lease with excellent sources of repayment and no currently identifiable risk associated with collection. The borrower exhibits a very strong capacity to repay the credit in accordance with the repayment agreement. The borrower may be susceptible to economic cycles, but will have reserves to weather these cycles. 

Average Risk—An average risk loan or lease, risk rated 4, is an attractive loan or lease with sound sources of repayment and no material collection or repayment weakness evident. The borrower has an acceptable capacity to pay in accordance with the agreement. The borrower is susceptible to economic cycles and more efficient competition, but should have modest reserves sufficient to survive all but the most severe downturns or major setbacks. 

Acceptable Risk—An acceptable risk loan or lease, risk rated 5, is a loan or lease with lower than average, but still acceptable credit risk. These borrowers may have higher leverage, less certain but viable repayment sources, have limited financial reserves and may possess weaknesses that can be adequately mitigated through collateral, structural or credit enhancement. The borrower is susceptible to economic cycles and is less resilient to negative market forces or financial events. Reserves may be insufficient to survive a modest downturn. 

Watch—A watch loan or lease, risk rated 6, is still pass-rated, but represents the lowest level of acceptable risk due to an emerging risk element or declining performance trend. Watch ratings are expected to be temporary, with issues resolved or manifested to the extent that a higher or lower rating would be appropriate. The borrower should have a plausible plan, with reasonable certainty of success, to correct the problems in a short period of time.

Special Mention—A special mention loan or lease, risk rated 7, has potential weaknesses that deserve management's close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or the institution's credit position at some future date. They contain unfavorable characteristics and are generally undesirable. Loans and leases in this category are currently protected but are potentially weak and constitute an undue and unwarranted credit risk, but not to the point of a substandard classification. A special mention loan or lease has potential weaknesses, which if not checked or corrected, weaken the asset or inadequately protect the Bank's position at some future date.

Substandard—A substandard asset, risk rated 8, is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the Bank will sustain some loss if the deficiencies are not corrected. Loss potential, while existing in the aggregate amount of substandard assets, does not have to exist in individual assets classified substandard. Loans and leases are classified as substandard when they have unsatisfactory characteristics causing unacceptable levels of risk. A substandard loan or lease normally has one or more well-defined weaknesses that could jeopardize repayment of the debt. The likely need to liquidate assets to correct the problem, rather than repayment from successful operations is the key distinction between special mention and substandard.

Doubtful—Loans or leases classified as doubtful, risk rated 9, have all the weaknesses inherent in one classified substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable. The possibility of loss is extremely high, but because of certain important and reasonably specific pending factors, which may work towards strengthening of the asset, classification as a loss (and immediate charge-off) is deferred until more exact status may be determined. Pending factors include proposed merger, acquisition, liquidation procedures, capital injection, and perfection of liens on additional collateral and refinancing plans. In certain circumstances, a doubtful rating will be temporary, while the Bank is awaiting an updated collateral valuation. In these cases, once the collateral is valued and appropriate margin applied, the remaining un-collateralized portion will be charged-off. The remaining balance, properly margined, may then be upgraded to substandard, however must remain on non-accrual. 

Loss—Loans or leases classified as loss, risk rated 10, are considered un-collectible and of such little value that the continuance as an active Bank asset is not warranted. This rating does not mean that the loan or lease has no recovery or salvage value, but rather that the loan or lease should be charged-off now, even though partial or full recovery may be possible in the future. 

Impaired—Loans are classified as impairedwhen, based on current information and events, it is probable that the Bank will be unable to collect the scheduled payments of principal and interest when due, in accordance with the terms of the original loan agreement, without unreasonable delay. This generally includes all loans classified as non-accrual and troubled debt restructurings. Impaired loans are risk rated for internal and regulatory rating purposes, but presented separately for clarification. 

Homogeneous loans and leases are not risk rated until they are greater than 30 days past due, and risk rating is based on the past due status of the loan or lease.  The risk rating categories can be generally described by the following groupings for commercial and commercial real estate homogeneous loans and leases: 

Special Mention—A homogeneous special mention loan or lease, risk rated 7, is greater than 30 to 59 days past due from the required payment date at month-end. 

Substandard—A homogeneous substandard loan or lease, risk rated 8, is 60 to 89 days past due from the required payment date at month-end. 

Doubtful—A homogeneous doubtful loan or lease, risk rated 9, is 90 to 179 days past due from the required payment date at month-end. 

Loss—A homogeneous loss loan or lease, risk rated 10, is 180 days and more past due from the required payment date. These loans are generally charged-off in the month in which the 180 day time period elapses. 

The risk rating categories can be generally described by the following groupings for residential and consumer and other homogeneous loans: 

Special Mention—A homogeneous retail special mention loan, risk rated 7, is greater than 30 to 89 days past due from the required payment date at month-end. 

Substandard—A homogeneous retail substandard loan, risk rated 8, is an open-end loan 90 to 180 days past due from the required payment date at month-end or a closed-end loan 90 to 120 days past due from the required payment date at month-end. 

Loss—A homogeneous retail loss loan, risk rated 10, is a closed-end loan that becomes past due 120 cumulative days or an open-end retail loan that becomes past due 180 cumulative days from the contractual due date.   These loans are generally charged-off in the month in which the 120 or 180 day period elapses. 

The following table summarizes our internal risk rating by loan and lease class for the loan and lease portfolio as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,055,623	$	98,661	$	111,740	$	235	$	334	$	37,036	$	3,303,629
Owner occupied term, net	2,418,407		52,551		88,585		1,415		1,259		15,267		2,577,484
Multifamily, net	2,737,917		6,574		16,393		—		—		3,519		2,764,403
Construction & development, net	230,038		3,823		3,351		—		—		1,091		238,303
Residential development, net	68,668		827		2,097		—		—		9,568		81,160
Commercial
Term, net	1,072,456		4,474		30,598		186		416		20,856		1,128,986
LOC & other, net	1,239,239		8,292		21,237		68		32		7,003		1,275,871
Leases and equipment finance, net	561,150		4,454		1,545		2,791		552		—		570,492
Residential
Mortgage, net	2,310,287		2,906		2,098		—		15,034		—		2,330,325
Home equity loans & lines, net	857,187		4,209		316		—		1,557		—		863,269
Consumer & other, net	412,454		2,292		57		—		232		—		415,035
Total, net of deferred fees and costs	$	14,963,426	$	189,063	$	278,017	$	4,695	$	19,416	$	94,340	$	15,548,957

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.7%, 16.5%, 77.3%, 0.1%, and 0.4% respectively, as of March 31, 2015.

(in thousands)	December 31, 2014
	Pass/Watch		Special Mention		Substandard		Doubtful		Loss		Impaired (1)		Total
Commercial real estate
Non-owner occupied term, net	$	3,027,777	$	99,556	$	123,350	$	821	$	—	$	39,106	$	3,290,610
Owner occupied term, net	2,475,944		58,425		81,567		309		1,674		15,945		2,633,864
Multifamily, net	2,610,039		9,583		15,177		—		—		3,819		2,638,618
Construction & development, net	248,547		4,081		5,003		—		—		1,091		258,722
Residential development, net	68,789		963		2,419		—		—		9,675		81,846
Commercial
Term, net	1,055,728		12,661		15,219		198		224		18,957		1,102,987
LOC & other, net	1,281,628		17,665		9,082		280		88		13,979		1,322,722
Leases and equipment finance, net	513,104		2,554		3,809		3,255		392		—		523,114
Residential
Mortgage, net	2,215,956		2,330		4,497		—		10,952		—		2,233,735
Home equity loans & lines, net	846,277		3,271		1,079		—		1,851		—		852,478
Consumer & other, net	385,754		2,717		198		—		367		—		389,036
Total, net of deferred fees and costs	$	14,729,543	$	213,806	$	261,400	$	4,863	$	15,548	$	102,572	$	15,327,732

(1) The percentage of impaired loans classified as pass/watch, special mention, substandard, doubtful, and loss was 5.6%, 15.1%, 77.9%, 0.1% and 1.3% respectively, as of December 31, 2014.

Troubled Debt Restructurings 

At March 31, 2015 and December 31, 2014, impaired loans of $60.9 million and $54.8 million, respectively, were classified as accruing restructured loans. The restructurings were granted in response to borrower financial difficulty, and generally provide for a temporary modification of loan repayment terms. The restructured loans on accrual status represent the only impaired loans accruing interest. In order for a restructured loan to be considered for accrual status, the loan's collateral coverage generally will be greater than or equal to 100% of the loan balance, the loan is current on payments, and the borrower must either prefund an interest reserve or demonstrate the ability to make payments from a verified source of cash flow. Impaired restructured loans carry a specific allowance and the allowance on impaired restructured loans is calculated consistently across the portfolios. 

There were $3.8 million available commitments for troubled debt restructurings outstanding as of March 31, 2015 and $1.0 million as of December 31, 2014. 

The following tables present troubled debt restructurings by accrual versus non-accrual status and by loan class as of March 31, 2015 and December 31, 2014: 

(in thousands)	March 31, 2015
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,593	$	677	$	49,270
Commercial, net	8,718		3,333		12,051
Residential, net	3,585		—		3,585
Total, net of deferred fees and costs	$	60,896	$	4,010	$	64,906

(in thousands)	December 31, 2014
	Accrual		Non-Accrual		Total
	Status		Status		Modifications
Commercial real estate, net	$	48,817	$	2,319	$	51,136
Commercial, net	5,404		9,541		14,945
Residential, net	615		—		615
Total, net of deferred fees and costs	$	54,836	$	11,860	$	66,696

The Bank's policy is that loans placed on non-accrual will typically remain on non-accrual status until all principal and interest payments are brought current and the prospect for future payment in accordance with the loan agreement appears relatively certain.  The Bank's policy generally refers to six months of payment performance as sufficient to warrant a return to accrual status.

There were no new restructured loans during the three months ended March 31, 2014. The following table presents newly restructured loans that occurred during the three months ended March 31, 2015: 

(in thousands)	Three Months Ended March 31, 2015
	Rate		Term		Interest Only		Payment		Combination		Total
	Modifications		Modifications		Modifications		Modifications		Modifications		Modifications
Commercial, net	$	—	$	—	$	—	$	—	$	3,349	$	3,349
Residential, net	—		74		—		—		2,944		3,018
Total, net of deferred fees and costs	$	—	$	74	$	—	$	—	$	6,293	$	6,367

For the periods presented in the tables above, the outstanding recorded investment was the same pre and post modification. 

There were no financing receivables modified as troubled debt restructurings within the previous 12 months for which there was a payment default during the three months ended March 31, 2015 and 2014.

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Residential Mortgage Servicing Rights

3 Months Ended

Mar. 31, 2015

Transfers and Servicing [Abstract]

Mortgage Servicing Rights

Residential Mortgage Servicing Rights 

The following table presents the changes in the Company's residential mortgage servicing rights ("MSR") for the three months ended March 31, 2015 and 2014: 

(in thousands)	Three Months Ended
	March 31,
	2015			2014
Balance, beginning of period	$	117,259		$	47,765
Additions for new MSR capitalized	8,837			2,408
Changes in fair value:
Due to changes in model inputs or assumptions(1)	(4,143		)	(1,087		)
Other(2)	(5,588		)	134
Balance, end of period	$	116,365		$	49,220

(1) Principally reflects changes in discount rates and prepayment speed assumptions, which are primarily affected by changes in interest rates. 

(2) Represents changes due to collection/realization of expected cash flows over time. 

Information related to our residential mortgage serviced loan portfolio as of March 31, 2015 and December 31, 2014 is as follows: 

(dollars in thousands)	March 31, 2015			December 31, 2014
Balance of residential mortgage loans serviced for others	$	11,874,910		$	11,590,310
MSR as a percentage of serviced loans	0.98		%	1.01		%

The amount of contractually specified servicing fees, late fees and ancillary fees earned, recorded in residential mortgage banking revenue, was $6.5 million for the three months ended March 31, 2015, as compared to $3.0 million for the three months ended March 31, 2014. 

Key assumptions used in measuring the fair value of MSR as of March 31, 2015 and December 31, 2014 are as follows: 

	March 31, 2015		December 31, 2014
Constant prepayment rate	13.44	%	12.39	%
Discount rate	9.17	%	9.17	%
Weighted average life (years)	6.0		6.4

A sensitivity analysis of the current fair value to changes in discount and prepayment speed assumptions as of March 31, 2015 and December 31, 2014 is as follows:

(in thousands)	March 31, 2015			December 31, 2014
Constant prepayment rate
Effect on fair value of a 10% adverse change	$	(5,095	)	$	(4,965	)
Effect on fair value of a 20% adverse change	$	(9,787	)	$	(9,547	)
Discount rate
Effect on fair value of a 100 basis point adverse change	$	(4,293	)	$	(4,539	)
Effect on fair value of a 200 basis point adverse change	$	(8,271	)	$	(8,771	)

The sensitivity analysis presents the hypothetical effect on fair value of the MSR. The effect of such hypothetical change in assumptions generally cannot be extrapolated because the relationship of the change in an assumption to the change in fair value is not linear. Additionally, in the analysis, the impact of an adverse change in one assumption is calculated independent of any impact on other assumptions. In reality, changes in one assumption may change another assumption.

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Allowance for Loan and Lease Loss and Credit Quality (Schedule Of Newly Restructured Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	$ 6,367
Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	74
Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	6,293
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	3,349
Commercial [Member] | Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Commercial [Member] | Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Commercial [Member] | Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Commercial [Member] | Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Commercial [Member] | Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	3,349
Residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	3,018
Residential [Member] | Rate Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Residential [Member] | Term Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	74
Residential [Member] | Interest Only Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Residential [Member] | Payment Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	0
Residential [Member] | Combination Modifications [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications During The Period	$ 2,944

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Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Apr. 18, 2014
Business Acquisition [Line Items]
Gross unrecognized tax benefits	$ 2,800,000
Accrued interest related to unrecognized tax benefits	385,000
Deferred tax asset, net	198,778,000	230,442,000	276,800,000
Net operating loss and tax credit carryforwards	238,400,000
Net operating loss carryforwards, valuation allowance	2,600,000
Effective income tax rate on unrecognized tax benefits that would impact effective tax rate	0.60%
Recognized benefit in interest	$ 13,000

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Goodwill and Other Intangible Assets (Goodwill And Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Gross	$ 1,901,574		$ 1,899,159	$ 877,239
Goodwill, Impaired, Accumulated Impairment Loss	(112,934)		(112,934)	(112,934)
Goodwill, Total	1,788,640		1,786,225	764,305
Goodwill, Net additions	2,415		1,021,920
Other Intangible Assets, Gross	113,471		113,471	58,909
Other Intangible Assets, Accumulated Amortization	(59,544)		(56,738)	(46,531)
Other Intangible Assets, Net	53,927		56,733	12,378
Other Intangible Assets, Net additions	0		54,562
Other Intangible Assets, Amortization	$ (2,806)	$ (1,194)	$ (10,207)

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Allowance for Loan and Lease Loss and Credit Quality (Schedule Of Troubled Debt Restructuring By Accrual versus Non-Accrual Status) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 64,906	$ 66,696
Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	60,896	54,836
Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	4,010	11,860
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	49,270	51,136
Commercial Real Estate [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	48,593	48,817
Commercial Real Estate [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	677	2,319
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	12,051	14,945
Commercial [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	8,718	5,404
Commercial [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	3,333	9,541
Residential [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	3,585	615
Residential [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	3,585	615
Residential [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 0	$ 0

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Fair Value Measurement (Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	$ 10,452	$ 9,999
Available for sale, at fair value	2,535,121	2,298,555
Loans held for sale, at fair value	406,487	286,802
Residential mortgage servicing rights, at fair value	116,365	117,259	49,220	47,765
Total assets measured at fair value	3,113,201	2,741,825
Junior subordinated debentures, at fair value	250,652	249,294
Total liabilities measured at fair value	294,996	280,079
Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	37,487	26,327
Derivatives, liabilities	40,101	28,158
Interest Rate Forward Sales Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	264	16
Derivatives, liabilities	4,243	2,627
Interest Rate Lock Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	7,025	2,867
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage servicing rights, at fair value	0	0
Total assets measured at fair value	5,868	5,283
Junior subordinated debentures, at fair value	0	0
Total liabilities measured at fair value	0	0
Level 1 [Member] | Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Derivatives, liabilities	0	0
Level 1 [Member] | Interest Rate Forward Sales Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Derivatives, liabilities	0	0
Level 1 [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale, at fair value	406,487	286,802
Residential mortgage servicing rights, at fair value	0	0
Total assets measured at fair value	2,983,943	2,616,416
Junior subordinated debentures, at fair value	0	0
Total liabilities measured at fair value	44,344	30,785
Level 2 [Member] | Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	37,487	26,327
Derivatives, liabilities	40,101	28,158
Level 2 [Member] | Interest Rate Forward Sales Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	264	16
Derivatives, liabilities	4,243	2,627
Level 2 [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Residential mortgage servicing rights, at fair value	116,365	117,259
Total assets measured at fair value	123,390	120,126
Junior subordinated debentures, at fair value	250,652	249,294
Total liabilities measured at fair value	250,652	249,294
Level 3 [Member] | Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Derivatives, liabilities	0	0
Level 3 [Member] | Interest Rate Forward Sales Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	0	0
Derivatives, liabilities	0	0
Level 3 [Member] | Interest Rate Lock Commitments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives, assets	7,025	2,867
Obligations Of States And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	92	124
Available for sale, at fair value	337,602	338,404
Obligations Of States And Political Subdivisions [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
Available for sale, at fair value	0	0
Obligations Of States And Political Subdivisions [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	92	124
Available for sale, at fair value	337,602	338,404
Obligations Of States And Political Subdivisions [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
Available for sale, at fair value	0	0
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	5,868	5,283
Equity Securities [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	5,868	5,283
Equity Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
Equity Securities [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
Other Investments Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	4,492	4,592
Other Investments Securities [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
Other Investments Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	4,492	4,592
Other Investments Securities [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading, at fair value	0	0
U.S. Treasury And Agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	229	229
U.S. Treasury And Agencies [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	0	0
U.S. Treasury And Agencies [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	229	229
U.S. Treasury And Agencies [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	0	0
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	2,195,201	1,957,852
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	0	0
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	2,195,201	1,957,852
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	0	0
Investments In Mutual Funds And Other Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	2,089	2,070
Investments In Mutual Funds And Other Equity Securities [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	0	0
Investments In Mutual Funds And Other Equity Securities [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	2,089	2,070
Investments In Mutual Funds And Other Equity Securities [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale, at fair value	$ 0	$ 0

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Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule Of Commitments And Contingencies

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

(in thousands)	As of March 31, 2015
Commitments to extend credit	$	2,996,411
Commitments to extend overdrafts	$	940,366
Forward sales commitments	$	692,900
Commitments to originate residential mortgage loans held for sale	$	458,378
Standby letters of credit	$	56,622

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Loans and Leases (Narrative) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2012	Mar. 31, 2014
Receivables [Abstract]
Deferred loan fees	$ 31,700,000	$ 26,300,000	$ 4,700,000
Discounts on acquired loans	198,100,000	236,600,000
Total loans pledged to secure borrowings	8,400,000,000
Outstanding contractual unpaid principal balance of non-covered purchased impaired loans	711,200,000	770,900,000
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans acquired with deteriorated credit quality	$ 521,100,000	$ 562,900,000		$ 334,666,000

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Income Taxes

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes 

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, as well as in the majority of states and in Canada. The Company acquired a $276.8 million net deferred tax asset before purchase accounting adjustments in the Merger, including $238.4 million of federal and state net operating loss ("NOL") and tax credit carry-forwards. The Merger triggered an "ownership change" as defined in Section 382 of the Internal Revenue Service Code ("Section 382"). As a result of being subject to Section 382, the Company will be limited in the amount of federal NOL carry-forwards that can be used annually to offset future taxable income. The Company believes it is more likely than not that it will be able to fully realize the benefit of its federal NOL carry-forwards. The Company also believes that it is more likely than not that the benefit from certain state and foreign NOL and tax credit carry-forwards will not be realized and therefore has provided a valuation allowance of $2.6 million against the deferred tax assets relating to these NOL and tax credit carry-forwards. 

The Company had gross unrecognized tax benefits of $2.8 million as of March 31, 2015.  If recognized, the unrecognized tax benefit would reduce the 2015 annual effective tax rate by 0.6%.  During the three months ended March 31, 2015, the Company reversed $13,000 of interest relating to its liability for unrecognized tax benefits.  Interest on unrecognized tax benefits is reported by the Company as a component of tax expense.  As of March 31, 2015, the accrued interest related to unrecognized tax benefits was $385,000.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Application of new accounting guidance

Application of new accounting guidance

As of January 1, 2015, Umpqua adopted the Financial Accounting Standards Board's ("FASB") Accounting Standard Update ("ASU") No. 2014-01, Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects. Application of ASU No. 2014-01 provides for a consistent accounting method for our investments in qualified affordable housing projects using a proportional amortization method. As required by ASU No. 2014-01, the new accounting methodology has been retrospectively applied resulting in changes to other non-interest income, tax expense, and net income, deferred tax asset, other assets, and retained earnings in the prior periods presented. The effect of this change was a decrease in net income of $109,000 for the quarter ended March 31, 2015. The effect of this change on the revised March 31, 2014 was a decrease in net income of $113,000. Retained earnings as of January 1, 2014, has been adjusted down by $3.5 million for the effect of the retroactive application of the new standard.

As of January 1, 2015, Umpqua applied FASB ASU No. 2014-04, Receivables -Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. ASU 2014-04 clarifies when a repossession or foreclosure has occurred. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. As of March 31, 2015, Umpqua had $3.4 million of foreclosed residential real estate property held as other real estate owned. Umpqua's recorded investment in consumer mortgage loans collateralized by residential real estate property in process of foreclosure was $6.9 million as of March 31, 2015.

Derivatives

The Bank may use derivatives to hedge the risk of changes in the fair values of interest rate lock commitments, residential mortgage loans held for sale, and residential mortgage servicing rights. None of the Company's derivatives are designated as hedging instruments.  Rather, they are accounted for as free-standing derivatives, or economic hedges, with changes in the fair value of the derivatives reported in income. The Company primarily utilizes forward interest rate contracts in its derivative risk management strategy. 

Income Taxes

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, as well as in the majority of states and in Canada. The Company acquired a $276.8 million net deferred tax asset before purchase accounting adjustments in the Merger, including $238.4 million of federal and state net operating loss ("NOL") and tax credit carry-forwards. The Merger triggered an "ownership change" as defined in Section 382 of the Internal Revenue Service Code ("Section 382"). As a result of being subject to Section 382, the Company will be limited in the amount of federal NOL carry-forwards that can be used annually to offset future taxable income. The Company believes it is more likely than not that it will be able to fully realize the benefit of its federal NOL carry-forwards. The Company also believes that it is more likely than not that the benefit from certain state and foreign NOL and tax credit carry-forwards will not be realized and therefore has provided a valuation allowance of $2.6 million against the deferred tax assets relating to these NOL and tax credit carry-forwards. 

Income Tax Uncertainties

The Company had gross unrecognized tax benefits of $2.8 million as of March 31, 2015.  If recognized, the unrecognized tax benefit would reduce the 2015 annual effective tax rate by 0.6%.  During the three months ended March 31, 2015, the Company reversed $13,000 of interest relating to its liability for unrecognized tax benefits.  Interest on unrecognized tax benefits is reported by the Company as a component of tax expense.  As of March 31, 2015, the accrued interest related to unrecognized tax benefits was $385,000.

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Fair Value Measurement (Fair Value Assets And Liabilities Measured On Nonrecurring Basis) (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	$ 33,467	$ 27,461
Level 1 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Level 2 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	33,467	27,461
Loans And Leases [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	26,946	14,720
Loans And Leases [Member] | Level 1 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Loans And Leases [Member] | Level 2 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Loans And Leases [Member] | Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	26,946	14,720
Other Real Estate Owned [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	6,521	12,741
Other Real Estate Owned [Member] | Level 1 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Other Real Estate Owned [Member] | Level 2 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	0	0
Other Real Estate Owned [Member] | Level 3 [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Assets, nonrecurring	$ 6,521	$ 12,741

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Investment Securities (Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Investment Holdings [Line Items]
Gains	$ 316	$ 0
Losses	200	0
Residential Mortgage-Backed Securities And Collateralized Mortgage Obligations [Member]
Investment Holdings [Line Items]
Gains	316	0
Losses	$ 200	$ 0

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Business Combinations (Narrative) (Details) (USD $)	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Apr. 18, 2014	Jun. 20, 2014 branches
Business Acquisition [Line Items]
Net earnings available to common shareholders	$ 47,045,000	$ 18,538,000
Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Equity issuable, share conversion ratio			1.671
Cash conversion, per share			$ 2.18
Tax deductible goodwill	0
Securities sold under agreements to repurchase expected to be repaid			500,000,000
Number of branches expected to be divested to Banner Bank				6
Disposal Group, Including Discontinued Operation, Deposits				211,500,000
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net				88,300,000
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Discount (Premium)				7,000,000
Loans			7,000,000,000
Business Combination, Acquiree, Loans, Fair Value			6,700,000,000
Business Combination, Acquiree, Discount on Loans			230,500,000
Net interest income	114,000,000
Net income	33,900,000
Equity Option [Member] | Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Equity issuable, share conversion ratio			1.7896
Restricted Stock Units (RSUs) [Member] | Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Equity issuable, share conversion ratio			1.7896
Acquisition-related Costs [Member] | Sterling Financial Corporation [Member]
Business Acquisition [Line Items]
Net earnings available to common shareholders		$ 16,100,000

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 47,129	$ 18,651
Available for sale securities:
Unrealized gains arising during the period	12,740	7,979
Reclassification adjustment for net gains realized in earnings (net of tax expense of $45 and $0 for the three months ended March 31, 2015 and 2014)	(71)	0
Income tax expense related to unrealized gains	(5,096)	(3,192)
Net change in unrealized gains	7,573	4,787
Held to maturity securities:
Accretion of unrealized losses related to factors other than credit to investment securities held to maturity (net of tax benefit of $0 and $6 for the three months ended March 31, 2015 and 2014)	0	10
Net change in unrealized losses related to factors other than credit	0	10
Other comprehensive income, net of tax	7,573	4,797
Comprehensive income	$ 54,702	$ 23,448

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Segment Information (Narrative) (Details)	3 Months Ended
	Mar. 31, 2015 segment operating_location
Segment Reporting Information [Line Items]
Number of primary segments	2
Number of locations in operation	385

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies 

The accounting and financial reporting policies of Umpqua Holdings Corporation conform to accounting principles generally accepted in the United States of America. The accompanying interim condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries.  All material inter-company balances and transactions have been eliminated. The condensed consolidated financial statements have not been audited. A more detailed description of our accounting policies is included in the 2014 Annual Report filed on Form 10-K. These interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the 2014 Annual Report filed on Form 10-K. All references in this report to "Umpqua," "we," "our," "us," the "Company" or similar references mean Umpqua Holdings Corporation, and include our consolidated subsidiaries where the context so requires. References to "Bank" refer to our subsidiary Umpqua Bank, an Oregon state-chartered commercial bank, and references to "Umpqua Investments" refer to our subsidiary Umpqua Investments, Inc., a registered broker-dealer and investment adviser. The Bank also has a wholly-owned subsidiary, Financial Pacific Leasing Inc., a commercial equipment leasing company.

In preparing these condensed consolidated financial statements, the Company has evaluated events and transactions subsequent to March 31, 2015 for potential recognition or disclosure. In management's opinion, all accounting adjustments necessary to accurately reflect the financial position and results of operations on the accompanying financial statements have been made. These adjustments include normal and recurring accruals considered necessary for a fair and accurate presentation. The results for interim periods are not necessarily indicative of results for the full year or any other interim period.  Certain reclassifications of prior period amounts have been made to conform to current classifications.

Application of new accounting guidance

As of January 1, 2015, Umpqua adopted the Financial Accounting Standards Board's ("FASB") Accounting Standard Update ("ASU") No. 2014-01, Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects. Application of ASU No. 2014-01 provides for a consistent accounting method for our investments in qualified affordable housing projects using a proportional amortization method. As required by ASU No. 2014-01, the new accounting methodology has been retrospectively applied resulting in changes to other non-interest income, tax expense, and net income, deferred tax asset, other assets, and retained earnings in the prior periods presented. The effect of this change was a decrease in net income of $109,000 for the quarter ended March 31, 2015. The effect of this change on the revised March 31, 2014 was a decrease in net income of $113,000. Retained earnings as of January 1, 2014, has been adjusted down by $3.5 million for the effect of the retroactive application of the new standard.

As of January 1, 2015, Umpqua applied FASB ASU No. 2014-04, Receivables -Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. ASU 2014-04 clarifies when a repossession or foreclosure has occurred. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. As of March 31, 2015, Umpqua had $3.4 million of foreclosed residential real estate property held as other real estate owned. Umpqua's recorded investment in consumer mortgage loans collateralized by residential real estate property in process of foreclosure was $6.9 million as of March 31, 2015.

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Allowance for Loan and Lease Loss and Credit Quality (Loans Sold) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Non Covered Loans Sold [Line Items]
Total	$ 72,847	$ 22,272
Non-owner Occupied Term [Member]
Non Covered Loans Sold [Line Items]
Total	0	3,193
Owner Occupied Term [Member]
Non Covered Loans Sold [Line Items]
Total	3,319	2,147
Multifamily [Member]
Non Covered Loans Sold [Line Items]
Total	435	0
Residential Development [Member]
Non Covered Loans Sold [Line Items]
Total	0	605
Term [Member]
Non Covered Loans Sold [Line Items]
Total	2,340	15,996
Mortgage [Member]
Non Covered Loans Sold [Line Items]
Total	$ 66,753	$ 331

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Shareholders' Equity and Stock Compensation (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended	0 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Apr. 18, 2014	Nov. 30, 2014
Shareholders Equity and Share-Based Payments [Line Items]
Number of securities called by each warrant				1.671
Warrant exercise price (usd per share)				12.88
Shares issued from exercise of warrants			2,889,896
Common stock, shares authorized	400,000,000		400,000,000	400,000,000
Compensation cost	$ 3,200,000	$ 1,500,000
Total income tax benefit recognized related to stock-based compensation	1,200,000	614,000
Total intrinsic value of options exercised	1,900,000	1,400,000
Cash received from exercise of stock options	144,000	2,600,000
Stock options granted	0
Income tax benefits received	2,700,000	3,300,000
Net tax benefit from stock options exercised	528,000
Tax deficiency from stock options exercised		1,100,000
Restricted Stock Units (RSUs) [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Restricted stock units outstanding, shares	577,000		675,000
Restricted stock units outstanding, weighted average grant dare fair value, usd per share	$ 18.58		18.03
Total unrecognized compensation cost related to nonvested stock awards	7,200,000
Expected recognized over a weighted-average period, years	2 years 3 months 15 days
Restricted Shares [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Total fair value of restricted stock shares/units vested and released	5,100,000	5,500,000
Restricted stock units outstanding, shares	1,604,000		1,386,000
Restricted stock units outstanding, weighted average grant dare fair value, usd per share	$ 16.29		15.39
Total unrecognized compensation cost related to nonvested stock awards	15,400,000
Expected recognized over a weighted-average period, years	1 year 9 months 4 days
Employee Stock Option [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Total unrecognized compensation cost related to nonvested stock awards	240,000
Expected recognized over a weighted-average period, years	2 years 7 days
Restricted Stock Units (RSUs) [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Total fair value of restricted stock shares/units vested and released	1,432,000	1,302,000
Employee Stock Option [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Cash received from exercise of stock options	89,000	897,000
Merger with Sterling Financial Corporation [Member] | Restricted Stock Units (RSUs) [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Conversion of stock, shares issued				994,214
Merger with Sterling Financial Corporation [Member] | Employee Stock Option [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Conversion of stock, shares issued				439,921
Merger with Sterling Financial Corporation [Member] | Common Stock [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Conversion of stock, shares issued				104,385,087
Merger with Sterling Financial Corporation [Member] | Warrant [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Conversion of stock, shares converted				2,960,238
Sterling Financial Corporation [Member]
Shareholders Equity and Share-Based Payments [Line Items]
Shares issued from exercise of warrants					2,889,896
Value of shares issued from exercise of warrants					$ 6,600,000

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Residential Mortgage Servicing Rights (Schedule Of Changes In Mortgage Servicing Rights) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance, beginning of period	$ 117,259	$ 47,765
Additions for new mortgage servicing rights capitalized	8,837	2,408
Due to changes in model inputs or assumptions, changes in fair value	(4,143)	(1,087)
Other, changes in fair value	(5,588)	134
Balance, end of period	$ 116,365	$ 49,220

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Business Combinations (Tables)

3 Months Ended

Mar. 31, 2015

Business Acquisition [Line Items]

Schedule Of Merger Related Expense

The following table provides a breakout of Merger related expense for the three months ended March 31, 2015.

(in thousands)
	Three Months Ended
	March 31, 2015
Personnel	$	4,367
Legal and professional	3,913
Premises and Equipment	3,017
Communication	434
Other	2,351
Total Merger related expense	$	14,082

Sterling Financial Corporation [Member]

Business Acquisition [Line Items]

Schedule of Assets Acquired and Liabilities Assumed at Estimated Fair Values

A summary of the consideration paid, the assets acquired and liabilities assumed in the Merger are presented below:

(in thousands)
	Sterling
	April 18, 2014
Fair value of consideration to Sterling shareholders:
Cash paid			$	136,200
Liability recorded for warrants' cash payment per share			6,453
Fair value of common shares issued			1,939,497
Fair value of warrants, common stock options, and restricted stock exchanged			50,317
Total consideration			2,132,467
Fair value of assets acquired:
Cash and cash equivalents	$	253,067
Investment securities	1,378,300
Loans held for sale	214,911
Loans and leases	7,123,168
Premises and equipment	116,576
Residential mortgage servicing rights	62,770
Other intangible assets	54,562
Other real estate owned	8,666
Bank owned life insurance	193,246
Deferred tax asset	300,015
Accrued interest receivable	23,553
Other assets	148,906
Total assets acquired	9,877,740
Fair value of liabilities assumed:
Deposits	7,086,052
Securities sold under agreements to repurchase	584,746
Term debt	854,737
Junior subordinated debentures	156,171
Other liabilities	87,902
Total liabilities assumed	$	8,769,608
Net assets acquired			1,108,132
Goodwill			$	1,024,335

Schedule of Loans Acquired

The following table presents the acquired purchased impaired loans as of the acquisition date:

(in thousands)	Purchased impaired
Contractually required principal payments	$	604,136
Nonaccretable difference	(95,614		)
Cash flows expected to be collected	508,522
Accretable yield	(110,757		)
Fair value of purchased impaired loans	$	397,765

Pro Forma Results of Operations

(in thousands, except per share data)	Pro Forma
	Three Months Ended
	March 31,
	2014
Net interest income	$	222,766	(1), (2), (3)
Provision for loan and lease losses	5,971
Non-interest income	45,018		(4), (5), (6)
Non-interest expense	188,488		(7)
Income before provision for income taxes	73,325
Provision for income taxes	26,073
Net income	47,252
Dividends and undistributed earnings allocated to participating securities	113
Net earnings available to common shareholders	$	47,139
Earnings per share:
Basic	$	0.22
Diluted	$	0.22
Average shares outstanding:
Basic	216,438
Diluted	217,523

(1) Includes $26.7 million of incremental loan discount accretion for the three months ended March 31, 2014.

(2) Includes a reduction of interest income of $1.5 million related to investment securities premiums amortization for the three months ended March 31, 2014.

(3) Includes a reduction of interest expense of $4.9 million related to deposit and borrowing premiums amortization for the three months ended March 31, 2014.

(4) Includes a reduction of service charges on deposits of $1.4 million as a result of passing the $10 billion asset threshold for the three months ended March 31, 2014.

(5) Includes a loss on junior subordinated debentures carried at fair value of $952,000 for the three months ended March 31, 2014.

(6) Includes the reversal of the $7.0 million loss on the required divestiture of six Sterling stores in connection with the merger for the three months ended March 31, 2014.

(7) Includes a net increase of $5.4 million of merger expenses and $1.7 million of incremental core deposit intangible amortization for the three months ended March 31, 2014.

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Junior Subordinated Debentures (Junior Subordinated Debentures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Junior Subordinated Debentures [Line Items]
Issued Amount	$ 475,427
AT FAIR VALUE	250,652	249,294
AT AMORTIZED COST	101,496	101,576
Carrying Value	352,148
Junior Subordinated Debt, at Fair Value [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	379,390
AT FAIR VALUE	250,652
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Statutory Trust II [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	20,619
AT FAIR VALUE	15,182
Rate	LIBOR
Basis spread on LIBOR	3.35%
Effective Rate	4.92%
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Statutory Trust III [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	30,928
AT FAIR VALUE	22,961
Rate	LIBOR
Basis spread on LIBOR	3.45%
Effective Rate	5.01%
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Statutory Trust IV [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT FAIR VALUE	7,188
Rate	LIBOR
Basis spread on LIBOR	2.85%
Effective Rate	4.48%
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Statutory Trust V [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT FAIR VALUE	7,166
Rate	LIBOR
Basis spread on LIBOR	2.85%
Effective Rate	4.49%
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Master Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	41,238
AT FAIR VALUE	23,670
Rate	LIBOR
Basis spread on LIBOR	1.35%
Effective Rate	2.81%
Junior Subordinated Debt, at Fair Value [Member] | Umpqua Master Trust IB [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	20,619
AT FAIR VALUE	13,834
Rate	LIBOR
Basis spread on LIBOR	2.75%
Effective Rate	4.50%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust III [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	14,433
AT FAIR VALUE	11,165
Rate	LIBOR
Basis spread on LIBOR	3.25%
Effective Rate	4.55%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust IV [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT FAIR VALUE	7,889
Rate	LIBOR
Basis spread on LIBOR	3.15%
Effective Rate	4.46%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Statutory Trust V [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	20,619
AT FAIR VALUE	15,841
Rate	LIBOR
Basis spread on LIBOR	3.25%
Effective Rate	4.57%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust VI [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT FAIR VALUE	7,867
Rate	LIBOR
Basis spread on LIBOR	3.20%
Effective Rate	4.54%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust VII [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	56,702
AT FAIR VALUE	33,710
Rate	LIBOR
Basis spread on LIBOR	1.53%
Effective Rate	3.00%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust VIII [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	51,547
AT FAIR VALUE	30,983
Rate	LIBOR
Basis spread on LIBOR	1.63%
Effective Rate	3.15%
Junior Subordinated Debt, at Fair Value [Member] | Sterling Capital Trust IX [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	46,392
AT FAIR VALUE	26,768
Rate	LIBOR
Basis spread on LIBOR	1.40%
Effective Rate	2.88%
Junior Subordinated Debt, at Fair Value [Member] | Lynnwood Financial Statutory Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	9,279
AT FAIR VALUE	7,050
Rate	LIBOR
Basis spread on LIBOR	3.15%
Effective Rate	4.50%
Junior Subordinated Debt, at Fair Value [Member] | Lynnwood Financial Statutory Trust II [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT FAIR VALUE	6,453
Rate	LIBOR
Basis spread on LIBOR	1.80%
Effective Rate	3.30%
Junior Subordinated Debt, at Fair Value [Member] | Klamath First Capital Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	15,464
AT FAIR VALUE	12,925
Rate	LIBOR
Basis spread on LIBOR	3.75%
Effective Rate	4.91%
Junior Subordinated Debt, at Amortized Cost [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	96,037
AT AMORTIZED COST	101,496
Junior Subordinated Debt, at Amortized Cost [Member] | HB Capital Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	5,310
AT AMORTIZED COST	6,147
Debt Instrument, Interest Rate, Stated Percentage	10.875%
Effective Rate	8.44%
Junior Subordinated Debt, at Amortized Cost [Member] | Humboldt Bancorp Statutory Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	5,155
AT AMORTIZED COST	5,770
Debt Instrument, Interest Rate, Stated Percentage	10.20%
Effective Rate	8.41%
Junior Subordinated Debt, at Amortized Cost [Member] | Humboldt Bancorp Statutory Trust II [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT AMORTIZED COST	11,204
Rate	LIBOR
Basis spread on LIBOR	3.60%
Effective Rate	3.04%
Junior Subordinated Debt, at Amortized Cost [Member] | Humboldt Bancorp Statutory Trust III [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	27,836
AT AMORTIZED COST	30,182
Rate	LIBOR
Basis spread on LIBOR	2.95%
Effective Rate	2.50%
Junior Subordinated Debt, at Amortized Cost [Member] | CIB Capital Trust [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT AMORTIZED COST	11,077
Rate	LIBOR
Basis spread on LIBOR	3.45%
Effective Rate	3.03%
Junior Subordinated Debt, at Amortized Cost [Member] | Western Sierra Statutory Trust I [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	6,186
AT AMORTIZED COST	6,186
Rate	LIBOR
Basis spread on LIBOR	3.58%
Effective Rate	3.82%
Junior Subordinated Debt, at Amortized Cost [Member] | Western Sierra Statutory Trust II [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT AMORTIZED COST	10,310
Rate	LIBOR
Basis spread on LIBOR	3.60%
Effective Rate	3.83%
Junior Subordinated Debt, at Amortized Cost [Member] | Western Sierra Statutory Trust III [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT AMORTIZED COST	10,310
Rate	LIBOR
Basis spread on LIBOR	2.90%
Effective Rate	3.13%
Junior Subordinated Debt, at Amortized Cost [Member] | Western Sierra Statutory Trust IV [Member]
Junior Subordinated Debentures [Line Items]
Issued Amount	10,310
AT AMORTIZED COST	$ 10,310
Rate	LIBOR
Basis spread on LIBOR	2.90%
Effective Rate	3.13%

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Summary Of Financial Information By Reportable Segment

Summarized financial information concerning the Company's reportable segments and the reconciliation to the consolidated financial results is shown in the following tables: 

(in thousands)	Three Months Ended March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	207,628	$	22,232	$	229,860
Interest expense	12,019		1,933		13,952
Net interest income	195,609		20,299		215,908
Provision for loan and lease losses	12,637		—		12,637
Non-interest income	28,955		34,640		63,595
Non-interest expense	167,092		26,006		193,098
Income before income taxes	44,835		28,933		73,768
Provision for income taxes	16,194		10,445		26,639
Net income	28,641		18,488		47,129
Dividends and undistributed earnings allocated to participating securities	84		—		84
Net earnings available to common shareholders	$	28,557	$	18,488	$	47,045

(in thousands)	Three Months Ended March 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Interest income	$	110,156	$	5,724	$	115,880
Interest expense	7,488		554		8,042
Net interest income	102,668		5,170		107,838
Provision for loan and lease losses	5,971		—		5,971
Non-interest income	12,718		10,520		23,238
Non-interest expense	89,334		7,184		96,518
Income before income taxes	20,081		8,506		28,587
Provision for income taxes	6,534		3,402		9,936
Net income	13,547		5,104		18,651
Dividends and undistributed earnings allocated to participating securities	113		—		113
Net earnings available to common shareholders	$	13,434	$	5,104	$	18,538

(in thousands)	March 31, 2015
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,262,775	$	2,690,383	$	22,953,158
Total loans and leases	$	13,339,829	$	2,209,128	$	15,548,957
Total deposits	$	17,160,722	$	61,844	$	17,222,566

(in thousands)	December 31, 2014
	Community		Home
	Banking		Lending		Consolidated
Total assets	$	20,095,189	$	2,514,714	$	22,609,903
Total loans and leases	$	13,181,463	$	2,146,269	$	15,327,732
Total deposits	$	16,850,682	$	41,417	$	16,892,099

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Shareholders' Equity and Stock Compensation

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Shareholders' Equity and Stock Compensation

Shareholders' Equity and Stock Compensation

On April 18, 2014, the Company completed the Merger with Sterling. The details of the conversion of Sterling common stock, stock options, and restricted stock units are included in Note 2. The conversion resulted in the issuance of 104,385,087 shares of common stock, 994,214 restricted stock units, and 439,921 stock options granted. Additionally, the 2,960,238 outstanding Sterling warrants were converted into warrants exercisable to receive 1.671 shares of Umpqua stock per warrant, with an exercise price of $12.88 as of the merger date. In November 2014, the warrants were net exercised in full for 2,889,896 shares and $6.6 million, and are no longer outstanding.

At a special meeting on February 25, 2014, the Company's shareholders approved an amendment to the Company's articles of incorporation, effective on April 18, 2014, increasing the number of authorized shares of common stock to 400,000,000.

Stock-Based Compensation 

The compensation cost related to stock options, restricted stock and restricted stock units (included in salaries and employee benefits) was $3.2 million for the three months ended March 31, 2015, as compared to $1.5 million for the three months ended March 31, 2014. The total income tax benefit recognized related to stock-based compensation was $1.2 million for the three months ended March 31, 2015 as compared to $614,000 for the three months ended March 31, 2014. 

The following table summarizes information about stock option activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
					Weighted-Avg
	Options		Weighted-Avg		Remaining Contractual	Aggregate
	Outstanding		Exercise Price		Term (Years)	Intrinsic Value
Balance, beginning of period	807		$	16.80
Granted/Assumed	—		$	—
Exercised	(18	)	$	7.88
Forfeited/expired	(188	)	$	23.99
Balance, end of period	601		$	14.81	4.75	$	2,392
Options exercisable, end of period	509		$	15.28	4.19	$	1,930

The total intrinsic value (which is the amount by which the stock price exceeded the exercise price on the date of exercise) of options exercised during the three months ended March 31, 2015 was $1.9 million, as compared to the three months ended March 31, 2014 of $1.4 million.

During the three months ended March 31, 2015, the amount of cash received from the exercise of stock options was $89,000, as compared to the three months ended March 31, 2014 of $897,000. Total consideration was $144,000 for the three months ended March 31, 2015, as compared to the three months ended March 31, 2014 of $2.6 million.

The fair value of each option grant is estimated as of the grant date using the Black-Scholes option-pricing model.  There were no stock options granted in the three months endedMarch 31, 2015 and March 31, 2014. 

The Company grants restricted stock periodically for the benefit of employees and directors. Restricted shares issued prior to 2011 generally vest on an annual basis over five years. Restricted shares issued since 2011 generally vest over a three year period, subject to time or time plus performance vesting conditions.  The following table summarizes information about nonvested restricted share activity for the three months endedMarch 31, 2015: 

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Shares		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	1,386		$	15.39
Granted/Assumed	552		$	16.04
Released	(321	)	$	13.26
Forfeited/expired	(13	)	$	11.63
Balance, end of period	1,604		$	16.29

The total fair value of restricted shares vested and released during the three months ended March 31, 2015 was $5.1 million as compared to the three months ended March 31, 2014 of $5.5 million. 

The Company granted restricted stock units as a part of the 2007 Long Term Incentive Plan for the benefit of certain executive officers.  In addition, the Company granted restricted stock units in connection with the acquisition of Sterling as replacement awards. Restricted stock unit grants may be subject to performance-based vesting as well as other approved vesting conditions.  The total number of restricted stock units granted represents the maximum number of restricted stock units eligible to vest based upon the performance and service conditions set forth in the grant agreements.

(in thousands, except per share data)	Three Months Ended March 31, 2015
	Restricted		Weighted
	Stock Units		Average Grant
	Outstanding		Date Fair Value
Balance, beginning of period	675		$	18.03
Granted/Assumed	—		$	—
Released	(85	)	$	16.83
Forfeited/expired	(13	)	$	17.20
Balance, end of period	577		$	18.58

The total fair value of restricted stock units vested and released during the three months ended March 31, 2015 was $1.4 million as compared to the three months ended March 31, 2014 of $1.3 million. 

As of March 31, 2015, there was $240,000 of total unrecognized compensation cost related to nonvested stock options which is expected to be recognized over a weighted-average period of 2.02 years.  As of March 31, 2015, there was $15.4 million of total unrecognized compensation cost related to nonvested restricted stock awards which is expected to be recognized over a weighted-average period of 1.76 years. As of March 31, 2015, there was $7.2 million of total unrecognized compensation cost related to nonvested restricted stock units which is expected to be recognized over a weighted-average period of 2.29 years, assuming expected performance conditions are met. 

For the three months ended March 31, 2015, the Company received income tax benefits of $2.7 million, as compared to the three months ended March 31, 2014 of $3.3 million, related to the exercise of non-qualified employee stock options, disqualifying dispositions on the exercise of incentive stock options, the vesting of restricted shares and the vesting of restricted stock units. In the three months endedMarch 31, 2015, the Company had net excess tax benefit (tax benefit resulting from tax deductions greater than the compensation cost recognized) of $528,000, as compared to $1.1 million of net excess tax benefit for the three months endedMarch 31, 2014.