10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2015

Commission File No. 00-30747

PACWEST BANCORP

(Exact name of registrant as specified in its charter)

Delaware	33-0885320
(State of Incorporation)	(I.R.S. Employer Identification No.)

10250 Constellation Blvd., Suite 1640

Los Angeles, CA 90067

(Address of Principal Executive Offices, Including Zip Code)

(310) 286-1144

(Registrant's Telephone Number, Including Area Code)

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

    Yes  þ      No  o

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

    Yes  þ      No  o

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

þ Large accelerated filer		o Accelerated filer
o Non-accelerated filer	(Do not check if a smaller reporting company)	o Smaller reporting company

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

As of October 29, 2015, there were 120,201,464 shares of the registrant's common stock outstanding, excluding 963,522 shares of unvested restricted stock.

1

PACWEST BANCORP

TABLE OF CONTENTS

		Page
PART I. FINANCIAL INFORMATION
Item 1.	Condensed Consolidated Financial Statements (Unaudited)
	Condensed Consolidated Balance Sheets (Unaudited)	3
	Condensed Consolidated Statements of Earnings (Unaudited)	4
	Condensed Consolidated Statements of Comprehensive Income (Unaudited)	5
	Condensed Consolidated Statement Changes in Stockholders' Equity (Unaudited)	6
	Condensed Consolidated Statements of Cash Flows (Unaudited)	7
	Notes to Condensed Consolidated Financial Statements (Unaudited)	8
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	48
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	87
Item 4.	Controls and Procedures	90
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	90
Item 1A.	Risk Factors	90
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	90
Item 6.	Index to Exhibits	91
Signatures		92

2

PACWEST BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

	September 30,			December 31,
	2015			2014
	(Unaudited)
	(Dollars in thousands)
ASSETS:
Cash and due from banks	$	154,652		$	164,757
Interest-earning deposits in financial institutions	81,642			148,469
Total cash and cash equivalents	236,294			313,226
Securities available-for-sale, at fair value	1,809,364			1,567,177
Federal Home Loan Bank stock, at cost	17,250			40,609
Total investment securities	1,826,614			1,607,786
Gross loans and leases	12,493,397			11,904,684
Deferred fees and costs	(41,192		)	(22,252		)
Allowance for loan and lease losses	(103,271		)	(84,455		)
Total loans and leases, net	12,348,934			11,797,977
Equipment leased to others under operating leases	161,508			122,506
Premises and equipment, net	36,475			36,551
Foreclosed assets, net	33,216			43,721
Goodwill	1,728,380			1,720,479
Core deposit and customer relationship intangibles, net	12,704			17,204
Deferred tax asset, net	169,760			284,411
Other assets	260,220			290,744
Total assets	$	16,814,105		$	16,234,605
LIABILITIES:
Noninterest-bearing deposits	$	3,508,682		$	2,931,352
Interest-bearing deposits	8,607,081			8,823,776
Total deposits	12,115,763			11,755,128
Borrowings	552,497			383,402
Subordinated debentures	435,417			433,583
Accrued interest payable and other liabilities	128,724			156,262
Total liabilities	13,232,401			12,728,375
Commitments and contingencies (Note 10)	—			—
STOCKHOLDERS' EQUITY:
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued and outstanding)	—			—
Common stock ($0.01 par value, 200,000,000 shares authorized at September 30, 2015 and December 31, 2014;
104,431,508 and 104,219,197 shares issued, respectively, including 988,825 and 1,108,505 shares of
unvested restricted stock, respectively)	1,044			1,042
Additional paid-in capital	3,665,173			3,807,167
Accumulated deficit	(57,934		)	(285,712		)
Treasury stock, at cost (1,377,814 and 1,197,180 shares at September 30, 2015 and December 31, 2014)	(51,038		)	(42,647		)
Accumulated other comprehensive income, net	24,459			26,380
Total stockholders' equity	3,581,704			3,506,230
Total liabilities and stockholders' equity	$	16,814,105		$	16,234,605

See Notes to Condensed Consolidated Financial Statements.

3

PACWEST BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(Unaudited)
	(Dollars in thousands, except per share data)
Interest income:
Loans and leases	$	193,539		$	203,781		$	189,961		$	599,417		$	459,625
Investment securities	13,955			14,570			12,331			40,720			35,140
Deposits in financial institutions	178			104			64			304			314
Total interest income	207,672			218,455			202,356			640,441			495,079
Interest expense:
Deposits	10,400			11,233			8,822			32,112			17,360
Borrowings	72			88			74			395			352
Subordinated debentures	4,680			4,582			4,614			13,787			9,973
Total interest expense	15,152			15,903			13,510			46,294			27,685
Net interest income	192,520			202,552			188,846			594,147			467,394
Provision for credit losses	8,746			6,529			5,050			31,709			9,436
Net interest income after provision for credit losses	183,774			196,023			183,796			562,438			457,958
Noninterest income:
Service charges on deposit accounts	2,601			2,612			2,725			7,787			8,446
Other commissions and fees	6,376			7,123			6,371			18,895			14,046
Leased equipment income	5,475			5,375			5,615			16,232			11,287
Gain on sale of loans and leases	27			163			973			190			594
Gain (loss) on sale of securities	655			(186		)	—			3,744			4,841
FDIC loss sharing expense, net	(4,449		)	(5,107		)	(7,415		)	(13,955		)	(27,370		)
Other income	5,073			9,643			8,045			23,359			17,640
Total noninterest income	15,758			19,623			16,314			56,252			29,484
Noninterest expense:
Compensation	48,152			49,033			45,861			144,922			119,569
Occupancy	10,762			10,588			11,188			31,950			29,861
Data processing	4,322			4,402			3,929			13,032			10,568
Other professional services	3,396			3,332			3,687			9,949			8,053
Insurance and assessments	3,805			4,716			3,020			11,546			7,792
Intangible asset amortization	1,497			1,502			1,608			4,500			4,649
Leased equipment depreciation	3,162			3,103			2,961			9,368			6,056
Foreclosed assets expense (income), net	4,521			(2,340		)	4,827			2,517			3,463
Acquisition, integration and reorganization costs	747			900			5,193			3,647			93,635
Other expense	9,775			10,040			12,649			28,344			30,641
Total noninterest expense	90,139			85,276			94,923			259,775			314,287
Earnings from continuing operations before taxes	109,393			130,370			105,187			358,915			173,155
Income tax expense	(39,777		)	(45,287		)	(42,911		)	(131,137		)	(73,744		)
Net earnings from continuing operations	69,616			85,083			62,276			227,778			99,411
Loss from discontinued operations before taxes	—			—			(8		)	—			(2,572		)
Income tax benefit	—			—			3			—			1,067
Net loss from discontinued operations	—			—			(5		)	—			(1,505		)
Net earnings	$	69,616		$	85,083		$	62,271		$	227,778		$	97,906
Basic earnings per share:
Net earnings from continuing operations	$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
Net earnings	$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Diluted earnings per share:
Net earnings from continuing operations	$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
Net earnings	$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Dividends declared per share	$	0.50		$	0.50		$	0.25		$	1.50		$	0.75

See Notes to Condensed Consolidated Financial Statements.

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PACWEST BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

	Three Months Ended								Nine Months Ended
	September 30,			June 30,			September 30,		September 30,
	2015			2015			2014		2015			2014
	(Unaudited)
	(In thousands)
Net earnings	$	69,616		$	85,083		$	62,271	$	227,778		$	97,906
Other comprehensive income (loss), net of tax:
Unrealized holding gains (losses) on securities
available-for-sale arising during the period	14,466			(21,213		)	93		616			45,395
Income tax (expense) benefit related to unrealized
holding gains (losses) arising during the period	(5,873		)	8,614			607		(364		)	(18,342		)
Unrealized holding gains (losses) on securities
available-for-sale, net of tax	8,593			(12,599		)	700		252			27,053
Reclassification adjustment for (gains) losses included
in net earnings (1)	(655		)	186			—		(3,744		)	(4,841		)
Income tax expense (benefit) related to reclassification
adjustment	266			(76		)	—		1,571			1,956
Reclassification adjustment for (gains) losses
included in net earnings, net of tax	(389		)	110			—		(2,173		)	(2,885		)
Other comprehensive income (loss), net of tax	8,204			(12,489		)	700		(1,921		)	24,168
Comprehensive income	$	77,820		$	72,594		$	62,971	$	225,857		$	122,074

^{___________________________________} 

(1) Entire amounts are recognized in "Gain (loss) on sale of securities" on the Condensed Consolidated Statements of Earnings.

See Notes to Condensed Consolidated Financial Statements.

5

PACWEST BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY

	Nine Months Ended September 30, 2015
	Common Stock													Accumulated
					Additional									Other
			Par		Paid-in			Accumulated			Treasury			Comprehensive
	Shares		Value		Capital			Deficit			Stock			Income			Total
	(Unaudited)
	(Dollars in thousands, except share data)
Balance, December 31, 2014	103,022,017		$	1,042	$	3,807,167		$	(285,712	)	$	(42,647	)	$	26,380		$	3,506,230
Net earnings	—		—		—			227,778			—			—			227,778
Other comprehensive loss - net
unrealized loss on securities
available-for-sale, net of tax	—		—		—			—			—			(1,921		)	(1,921		)
Restricted stock awarded and earned stock
compensation, net of shares forfeited	211,011		2		11,834			—			—			—			11,836
Restricted stock surrendered	(180,634	)	—		—			—			(8,391		)	—			(8,391		)
Tax effect from vesting of restricted stock	—		—		596			—			—			—			596
Cash dividends paid	—		—		(154,482		)	—			—			—			(154,482		)
Dividend reinvestment	1,300		—		58			—			—			—			58
Balance, September 30, 2015	103,053,694		$	1,044	$	3,665,173		$	(57,934	)	$	(51,038	)	$	24,459		$	3,581,704

See Notes to Condensed Consolidated Financial Statements.

6

PACWEST BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

	Nine Months Ended
	September 30,
	2015			2014
	(Unaudited)
	(Dollars in thousands)
Cash flows from operating activities:
Net earnings	$	227,778		$	97,906
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	33,239			28,434
Provision for credit losses	31,709			9,436
Loss (gain) on sale of foreclosed assets	42			(2,746		)
Provision for losses on foreclosed assets	5,163			5,065
Gain on sale of loans and leases	(190		)	(594		)
Gain on sale of premises and equipment	(54		)	(1,523		)
Gain on sale of securities	(3,744		)	(4,841		)
Unrealized gain on derivatives and foreign currencies, net	(909		)	(2,393		)
Earned stock compensation	11,836			33,641
Write-off of goodwill relating to the asset financing segment reorganization	—			6,645
Tax effect included in stockholders' equity of restricted stock vesting	(596		)	(4,402		)
Decrease in accrued and deferred income taxes, net	108,553			47,938
Decrease in other assets	15,786			14,341
Decrease in accrued interest payable and other liabilities	(25,336		)	(79,644		)
Net cash provided by operating activities	403,277			147,263
Cash flows from investing activities:
Cash acquired in acquisitions, net of cash consideration	—			346,047
Net increase in loan and leases	(612,008		)	(433,525		)
Proceeds from sales of loans and leases	10,557			35,696
Securities available-for-sale:
Proceeds from maturities and paydowns	93,389			95,039
Proceeds from sales	212,169			465,608
Purchases	(557,769		)	(186,969		)
Collections of securities sales proceeds receivable	—			484,084
Net redemptions of Federal Home Loan Bank stock	23,359			28,397
Proceeds from sales of foreclosed assets	18,772			20,097
Purchases of premises and equipment, net	(5,872		)	(2,283		)
Proceeds from sales of premises and equipment	108			3,759
Net (increase) decrease of equipment leased to others under operating leases	(26,174		)	30,502
Net cash (used in) provided by investing activities	(843,469		)	886,452
Cash flows from financing activities:
Net increase (decrease) in deposits:
Noninterest-bearing	573,101			420,478
Interest-bearing	(216,717		)	(518,012		)
Net increase (decrease) in borrowings	169,095			(742,109		)
Restricted stock surrendered	(8,391		)	(22,307		)
Tax effect included in stockholders' equity of restricted vesting stock	596			4,402
Cash dividends paid	(154,424		)	(62,727		)
Net cash provided by (used in) financing activities	363,260			(920,275		)
Net (decrease) increase in cash and cash equivalents	(76,932		)	113,440
Cash and cash equivalents at beginning of period	313,226			147,422
Cash and cash equivalents at end of period	$	236,294		$	260,862
Supplemental disclosures of cash flow information:
Cash paid for interest	$	51,218		$	23,959
Cash paid (received) for income taxes	13,760			(3,829		)
Loans transferred to foreclosed assets	13,472			667
Partnership interest transferred to equipment leased to others under operating leases	20,833			—
Common stock issued in acquisitions	—			2,594,070

See Notes to Condensed Consolidated Financial Statements.

7

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 1.  Organization    

PacWest Bancorp is a bank holding company registered under the Bank Holding Company Act of 1956, as amended. Our principal business is to serve as the holding company for our Los Angeles‑based wholly owned banking subsidiary, Pacific Western Bank, which we refer to as “Pacific Western” or the “Bank.” When we say “we,” “our,” or the “Company,” we mean PacWest Bancorp together with its subsidiaries on a consolidated basis. When we refer to “PacWest” or to the holding company, we are referring to PacWest Bancorp, the parent company, on a stand‑alone basis. As of September 30, 2015, the Company had total assets of $16.8 billion, gross loans and leases of $12.5 billion, total deposits of $12.1 billion and total stockholders' equity of $3.6 billion.

Pacific Western is a full-service commercial bank offering a broad range of banking products and services including accepting demand, money market, and time deposits and originating loans and leases, including an array of commercial real estate loans and commercial lending products. The Bank serves the financial needs of its customers through 80 full-service branches located primarily in Southern California extending from San Diego County to California’s Central Coast. The Bank also operates three banking offices in the San Francisco Bay area and four banking offices in the Central Valley. The Bank competes actively for relationship-based loans and deposits through its branch network, and emphasizes solicitation of noninterest-bearing deposits.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans and leases, cash flow loans, and real estate loans secured by various property types. The collateral for real estate loans includes healthcare properties, office properties, industrial properties, multi-family properties, hospitality properties, and retail properties. Our leasing operation, Pacific Western Equipment Finance, and our group specializing in asset-based lending, CapitalSource Business Finance Group, are part of the CapitalSource Division. Our commercial loan products include equipment loans and leases, asset based loans, loans to finance companies, and loans secured by borrower future cash flows, as well as other business-oriented products. Our loan and lease origination efforts are conducted through offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah. When we refer to "CapitalSource Inc.," we are referring to the company acquired on April 7, 2014, and when we refer to the "CapitalSource Division," we are referring to a division of the Bank that specializes in middle-market lending on a nationwide basis.

We generate our revenue primarily from interest received on loans and leases and, to a lesser extent, from interest received on investment securities, and fees received in connection with deposit services, extending credit and other services offered, including foreign exchange services. Our major operating expenses include interest paid by the Bank on deposits and borrowings, compensation and general operating expenses.

We have completed 27 acquisitions from May 2000 through September 30, 2015. Since 2000, our acquisitions have been accounted for using the acquisition method of accounting and, accordingly, the operating results of the acquired entities have been included in the consolidated financial statements from their respective acquisition dates. See Note 3, Acquisitions, for more information about the CapitalSource Inc. merger, and Note 16, Subsequent Events, for information regarding the completion of the Square 1 Financial, Inc. acquisition on October 6, 2015.

Significant Accounting Policies

Except as discussed below, our accounting policies are described in Note 1, Nature of Operations and Summary of Significant Accounting Policies, of our audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2014 as filed with the Securities and Exchange Commission ("Form 10-K").

8

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Accounting Standard Adopted in 2015

Effective January 1, 2015, the Company adopted Accounting Standards Update 2014-01, new accounting guidance for investments in affordable housing projects that qualify for the low-income housing tax credit. As a result of the adoption of this new guidance, the Company made an accounting policy election to amortize the initial cost of its qualifying investments in proportion to the tax credits and other benefits received and to present the amortization as a component of income tax expense, referred to as the proportional amortization method. Previously, investments in low-income housing tax credits were accounted for under the equity method and such amortization was presented in other expense. The guidance was required to be applied retrospectively and accordingly, prior period amounts for other expense and tax expense have been revised to conform to the current period presentation. The revised amortization amounts for prior periods were not material.

The retrospective application of the adoption of the new accounting guidance for the proportional amortization method resulted in a cumulative effect on retained earnings of a reduction of $195,000.

Basis of Presentation

Our interim consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and pursuant to the requirements for reporting on Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, certain disclosures accompanying annual consolidated financial statements are omitted. In the opinion of management, all adjustments and eliminations, consisting solely of normal recurring accruals, considered necessary for the fair presentation of financial statements for the interim periods, have been included. The current period's results of operations are not necessarily indicative of the results that ultimately may be achieved for the year. The interim consolidated financial statements and notes thereto should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Form 10-K.

The accompanying financial statements reflect our consolidated accounts. All significant intercompany accounts and transactions have been eliminated.

Use of Estimates

We have made a number of estimates and assumptions related to the reporting of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period to prepare these condensed consolidated financial statements in conformity with U.S. GAAP. Material estimates subject to change in the near term include, among other items, the allowance for credit losses, the carrying value and useful lives of intangible assets, the carrying value of the FDIC loss sharing asset, the realization of deferred tax assets, and the fair value estimates of assets acquired and liabilities assumed in acquisitions. These estimates may be adjusted as more current information becomes available, and any adjustment may be significant.

As described in Note 3, Acquisitions, the acquired assets and liabilities of CapitalSource Inc. were measured at their estimated fair values. We made significant estimates and exercised significant judgment in estimating fair values and accounting for such acquired assets and assumed liabilities.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current period's presentation format. On the condensed consolidated balance sheets, the "Other assets" category includes "FDIC loss sharing asset," which was previously reported as a separate category.

9

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 2.  Discontinued Operations    

Discontinued operations include the income and expense related to Electronic Payment Services ("EPS"), a discontinued division of the Bank acquired in connection with the First California Financial Group, Inc. ("FCAL") acquisition. Liabilities of the EPS division were $16.9 million and $21.3 million at September 30, 2015 and December 31, 2014, which consisted primarily of noninterest‑bearing deposits, and are included in the condensed consolidated balance sheets under the caption “Accrued interest payable and other liabilities.” For segment reporting purposes, the EPS division is included in our Community Banking segment.

Note 3.  Acquisitions    

The following assets acquired and liabilities assumed of CapitalSource Inc. are presented at their estimated fair values as of its April 7, 2014 acquisition date:

	CapitalSource Inc.
	(In thousands)
Assets Acquired:
Cash and due from banks	$	768,553
Interest‑earning deposits in financial institutions	60,612
Investment securities available‑for‑sale	382,797
FHLB stock	46,060
Loans and leases	6,877,427
Equipment leased to others under operating leases	160,015
Premises and equipment	12,663
Foreclosed assets	6,382
Income tax assets	304,856
Goodwill	1,526,282
Core deposit and customer relationship intangibles	6,720
Other assets	582,985
Total assets acquired	$	10,735,352
Liabilities Assumed:
Noninterest‑bearing deposits	$	4,631
Interest‑bearing deposits	6,236,419
Other borrowings	992,109
Subordinated debentures	300,918
Accrued interest payable and other liabilities	124,087
Total liabilities assumed	$	7,658,164
Total consideration paid	$	3,077,188
Summary of consideration:
Cash paid	$	483,118
PacWest common stock issued	2,594,070
Total	$	3,077,188

10

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

CapitalSource Inc. Merger

We acquired CapitalSource Inc. on April 7, 2014. As part of the merger, CapitalSource Bank (“CSB”), a wholly owned subsidiary of CapitalSource Inc., merged with and into Pacific Western Bank. We completed the merger in order to augment our loan and lease generation capabilities and to diversify our loan portfolio. At closing, we formed the CapitalSource Division within the Bank. The Bank provides a full spectrum of financing solutions across numerous industries and property types to middle market businesses nationwide marketed under the CapitalSource Division brand.

The CapitalSource Inc. merger has been accounted for under the acquisition method of accounting. The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of the merger date. We made significant estimates and exercised significant judgment in estimating such fair values and accounting for the acquired assets and liabilities. The application of the acquisition method of accounting resulted in goodwill of $1.5 billion. All of the recognized goodwill was non‑deductible for tax purposes.

Acquisition-Related Charges

The costs shown for the 2014 periods relate to the CapitalSource merger completed on April 7, 2014. The costs shown for the 2015 periods relate to the Square 1 acquisition completed on October 6, 2015. The following table presents the components of acquisition, integration and reorganization costs for the periods indicated.

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Acquisition, Integration and Reorganization Costs:
Severance and employee-related	$	—	$	—	$	340	$	—	$	54,601
System conversion and integration	427		—		412		427		1,535
Asset write-downs, lease terminations and
other facilities-related	—		—		150		—		5,853
Investment banking deal costs	—		—		—		1,050		16,117
Other (legal, accounting, insurance, consulting)	320		900		4,291		2,170		15,529
Total acquisition, integration and
reorganization costs	$	747	$	900	$	5,193	$	3,647	$	93,635

11

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 4.  Goodwill and Other Intangible Assets

Goodwill arises from the acquisition method of accounting for business combinations and represents the excess of the purchase price over the fair value of the net assets and other identifiable intangible assets acquired. Our intangible assets with definite lives are core deposit intangibles ("CDI") and customer relationship intangibles ("CRI"). In the first quarter of 2015, we finalized the estimated fair value of the deferred tax assets acquired in the CapitalSource Inc. merger that resulted in a $7.9 million increase to goodwill.

Goodwill and other intangible assets deemed to have indefinite lives generated from business combinations are not subject to amortization and are instead tested for impairment no less than annually. Impairment exists when the carrying value of goodwill exceeds its implied fair value. An impairment loss would be recognized in an amount equal to that excess and would be included in “Noninterest expense” in the condensed consolidated statements of earnings. No impairment losses were recognized during the nine months endedSeptember 30, 2015 and 2014.

CDI and CRI are amortized over their respective estimated useful lives and reviewed for impairment at least quarterly. The amortization expense represents the estimated decline in the value of the underlying deposits or loan and lease customers acquired. The weighted average amortization period remaining for all of our CDI and CRI as of September 30, 2015 is 3.8 years. The aggregate CDI and CRI amortization expense is expected to be $6.0 million for 2015. The estimated aggregate amortization expense related to these intangible assets for each of the next five years is $4.1 million for 2016, $2.3 million for 2017, $2.0 million for 2018, $1.7 million for 2019, and $953,000 for 2020.

The following table presents the changes in the carrying amount of goodwill for the period indicated:    

	Goodwill
	(In thousands)
Balance, December 31, 2014	$	1,720,479
Adjustment to acquired CapitalSource Inc. deferred tax assets	7,901
Balance, September 30, 2015	$	1,728,380

The following table presents the changes in CDI and CRI and the related accumulated amortization for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
Gross Amount of CDI and CRI:
Balance, beginning of period	$	53,090		$	53,090		$	53,090		$	53,090		$	48,963
Additions	—			—			—			—			6,720
Fully amortized portion	—			—			—			—			(1,293		)
Write-off due to the asset financing segment reorganization	—			—			—			—			(1,300		)
Balance, end of period	53,090			53,090			53,090			53,090			53,090
Accumulated Amortization:
Balance, beginning of period	(38,889		)	(37,387		)	(32,659		)	(35,886		)	(31,715		)
Amortization	(1,497		)	(1,502		)	(1,608		)	(4,500		)	(4,649		)
Fully amortized portion	—			—			—			—			1,293
Write-off due to the asset financing segment reorganization	—			—			—			—			804
Balance, end of period	(40,386		)	(38,889		)	(34,267		)	(40,386		)	(34,267		)
Net CDI and CRI, end of period	$	12,704		$	14,201		$	18,823		$	12,704		$	18,823

In the second quarter of 2014, we wrote-off $6.6 million of goodwill and $0.5 million of CRI related to the reorganization of the Company's asset financing segment, which included the sale of Celtic Capital Corporation. These amounts are included in "Acquisition, integration and reorganization costs" in the condensed consolidated statements of earnings.

12

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 5. Investment Securities     

Securities Available-for-Sale

The following table presents amortized cost, gross unrealized gains and losses, and carrying values of securities available-for-sale as of the dates indicated:

	September 30, 2015									December 31, 2014
			Gross		Gross							Gross		Gross
	Amortized		Unrealized		Unrealized			Fair		Amortized		Unrealized		Unrealized			Fair
Security Type:	Cost		Gains		Losses			Value		Cost		Gains		Losses			Value
	(In thousands)
Residential mortgage-backed securities:
Government agency and
government-sponsored enterprise
pass-through securities	$	391,904	$	15,890	$	(196	)	$	407,598	$	515,902	$	20,142	$	(372	)	$	535,672
Government agency and
government-sponsored enterprise
collateralized mortgage obligations	206,380		5,460		(421		)	211,419		275,513		3,513		(1,080		)	277,946
Covered private label collateralized
mortgage obligations	24,914		6,222		(110		)	31,026		26,889		7,153		(95		)	33,947
Other private label collateralized
mortgage obligations	7,258		44		(40		)	7,262		10,961		46		(93		)	10,914
Municipal securities	844,782		18,057		(4,002		)	858,837		521,499		15,899		(1,282		)	536,116
Corporate debt securities	47,380		139		(123		)	47,396		110,074		597		(562		)	110,109
Collateralized loan obligations	133,159		316		(1,158		)	132,317		—		—		—			—
SBA loan pool securities	51,153		395		—			51,548		—		—		—			—
Government-sponsored enterprise debt
securities	36,284		1,240		—			37,524		36,232		525		—			36,757
Other securities	24,972		2		(537		)	24,437		25,801		33		(118		)	25,716
Total	$	1,768,186	$	47,765	$	(6,587	)	$	1,809,364	$	1,522,871	$	47,908	$	(3,602	)	$	1,567,177

Other securities consist primarily of asset‑backed securities.

As of September 30, 2015, securities available‑for‑sale with a carrying value of $366.2 million were pledged as collateral for borrowings, public deposits and other purposes as required by various statutes and agreements.

During the nine months endedSeptember 30, 2015 and 2014, we purchased $557.8 million and $187.0 million in securities available-for-sale.

During the nine months endedSeptember 30, 2015, we sold $49.9 million of government agency and government-sponsored enterprise ("GSE") CMOs for a gain of $609,000, $30.7 million of municipal securities for a gain of $744,000, $67.5 million in corporate debt securities for a loss of $232,000 and $60.3 million in GSE pass-through securities for a gain of $2.6 million. During the nine months endedSeptember 30, 2014, we sold $137.3 million of GSE pass-through securities for a realized gain of $4.8 million and $797,000 in other securities for a realized gain of $89,000. In addition, we sold $323.6 million of the $382.8 million of securities obtained in the CapitalSource Inc. merger for no gain or loss.

13

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Unrealized Losses on Securities Available-for-Sale

The following tables present the gross unrealized losses and fair values of securities available-for-sale that were in unrealized loss positions, for which other-than-temporary impairments have not been recognized in earnings, as of the dates indicated:

	September 30, 2015
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	17,968	$	(95	)	$	9,552	$	(101	)	$	27,520	$	(196	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	—		—			14,444		(421		)	14,444		(421		)
Covered private label collateralized
mortgage obligations	1,111		(44		)	589		(66		)	1,700		(110		)
Other private label collateralized
mortgage obligations	1,296		(2		)	1,099		(38		)	2,395		(40		)
Municipal securities	238,631		(3,988		)	529		(14		)	239,160		(4,002		)
Corporate debt securities	23,013		(105		)	2,278		(18		)	25,291		(123		)
Collateralized loan obligations	103,409		(1,158		)	—		—			103,409		(1,158		)
Other securities	5,635		(102		)	16,114		(435		)	21,749		(537		)
Total	$	391,063	$	(5,494	)	$	44,605	$	(1,093	)	$	435,668	$	(6,587	)

	December 31, 2014
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	10,711	$	(13	)	$	27,100	$	(359	)	$	37,811	$	(372	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	23,908		(73		)	40,652		(1,007		)	64,560		(1,080		)
Covered private label collateralized
mortgage obligations	—		—			1,000		(95		)	1,000		(95		)
Other private label collateralized
mortgage obligations	1,618		(93		)	—		—			1,618		(93		)
Municipal securities	11,854		(66		)	84,822		(1,216		)	96,676		(1,282		)
Corporate debt securities	52,071		(547		)	10,131		(15		)	62,202		(562		)
Other securities	6,440		(90		)	10,019		(28		)	16,459		(118		)
Total	$	106,602	$	(882	)	$	173,724	$	(2,720	)	$	280,326	$	(3,602	)

14

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

We reviewed the securities that were in a loss position at September 30, 2015, and concluded their unrealized losses were a result of the level of market interest rates relative to the types of securities and pricing changes caused by shifting supply and demand dynamics and not a result of downgraded credit ratings or other indicators of deterioration of the underlying issuers' ability to repay. Accordingly, we determined the securities were temporarily impaired and we did not recognize such impairment in the condensed consolidated statements of earnings. Although we occasionally sell securities for portfolio management purposes, we do not foresee having to sell any temporarily impaired securities strictly for liquidity needs and believe that it is more likely than not we would not be required to sell any temporarily impaired securities before recovery of their amortized cost.

Contractual Maturities

The following table presents the contractual maturities of our available-for-sale securities portfolio based on amortized cost and carrying value as of the date indicated:

	September 30, 2015
	Amortized		Fair
Maturity:	Cost		Value
	(In thousands)
Due in one year or less	$	9,304	$	9,373
Due after one year through five years	104,445		106,653
Due after five years through ten years	310,318		321,663
Due after ten years	1,344,119		1,371,675
Total securities available-for-sale	$	1,768,186	$	1,809,364

Mortgage-backed securities have contractual terms to maturity, but require periodic payments to reduce principal. In addition, expected maturities may differ from contractual maturities because obligors and/or issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

FHLB Stock

At September 30, 2015, we had a $17.3 million investment in Federal Home Loan Bank of San Francisco ("FHLB") stock carried at cost. During the nine months endedSeptember 30, 2015, the carrying value of FHLB stock decreased by $23.4 million due to $27.3 million in redemptions, offset partially by $3.9 million in purchases. We evaluated the carrying value of our FHLB stock investment at September 30, 2015, and determined that it was not impaired. Our evaluation considered the long-term nature of the investment, the current financial and liquidity position of the FHLB, repurchase activity of excess stock by the FHLB at its carrying value, the return on the investment from recurring dividends and our intent and ability to hold this investment for a period of time sufficient to recover our recorded investment. The FHLB paid us a special dividend of $1.4 million in the second quarter of 2015.

Interest Income on Investment Securities

The following table presents the composition of our interest income on investment securities for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Taxable interest	$	7,323	$	7,577	$	7,850	$	22,373	$	22,438
Non-taxable interest	6,058		4,808		3,343		14,760		10,004
Dividend income	574		2,185		1,138		3,587		2,698
Total interest income on investment securities	$	13,955	$	14,570	$	12,331	$	40,720	$	35,140

15

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 6.  Loans and Leases

The Company’s loan and lease portfolio includes originated and purchased loans and leases. Originated and purchased loans and leases for which there was no evidence of credit deterioration at their acquisition date and for which it was probable that all contractually required payments would be collected, are referred to collectively as non-purchased credit impaired loans, or "Non-PCI loans." Purchased loans for which there was, at the acquisition date, evidence of credit deterioration since their origination and for which it was deemed probable that we would be unable to collect all contractually required payments, are referred to as purchased credit impaired loans, or "PCI loans".

Non-PCI loans are carried at the principal amount outstanding, net of deferred fees and costs, and in the case of acquired loans, net of purchase discounts and premiums. Deferred fees and costs and purchase discounts and premiums are recognized as an adjustment to interest income over the contractual life of the loans using the effective interest method or taken into income on an accelerated basis when the related loans are paid off or sold.

PCI loans are accounted for in accordance with ASC Subtopic 310‑30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality". For PCI loans, at the time of acquisition we (i) calculate the contractual amount and timing of undiscounted principal and interest payments (the "undiscounted contractual cash flows") and (ii) estimate the amount and timing of undiscounted expected principal and interest payments (the "undiscounted expected cash flows"). The difference between the undiscounted contractual cash flows and the undiscounted expected cash flows is the nonaccretable difference. The difference between the undiscounted cash flows expected to be collected and the estimated fair value of the acquired loans is the accretable yield. The nonaccretable difference represents an estimate of the loss exposure of principal and interest related to the PCI loan portfolio; such amount is subject to change over time based on the performance of such loans. The carrying value of PCI loans is reduced by payments received, both principal and interest, and increased by the portion of the accretable yield recognized as interest income.

The following table summarizes the composition of our loan and lease portfolio as of the dates indicated:

	September 30, 2015									December 31, 2014
	Non-PCI									Non-PCI
	Loans			PCI						Loans			PCI
	and Leases			Loans			Total			and Leases			Loans			Total
	(In thousands)
Real estate mortgage	$	5,521,291		$	184,751		$	5,706,042		$	5,350,827		$	256,489		$	5,607,316
Real estate construction and land	376,197			2,690			378,887			309,162			6,924			316,086
Commercial	6,272,807			5,606			6,278,413			5,852,420			27,155			5,879,575
Consumer	129,762			293			130,055			101,423			284			101,707
Total gross loans and leases	12,300,057			193,340			12,493,397			11,613,832			290,852			11,904,684
Deferred fees and costs	(41,141		)	(51		)	(41,192		)	(22,191		)	(61		)	(22,252		)
Total loans and leases, net of deferred fees	12,258,916			193,289			12,452,205			11,591,641			290,791			11,882,432
Allowance for loan and lease losses	(92,316		)	(10,955		)	(103,271		)	(70,456		)	(13,999		)	(84,455		)
Total net loans and leases	$	12,166,600		$	182,334		$	12,348,934		$	11,521,185		$	276,792		$	11,797,977

16

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following tables present a summary of the activity in the allowance for loan and lease losses on Non‑PCI loans and leases by portfolio segment and PCI loans for the periods indicated:

	Three Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	29,908		$	3,908	$	50,531		$	700		$	85,047		$	14,328		$	99,375
Charge-offs	(252		)	—		(4,035		)	(25		)	(4,312		)	(1,119		)	(5,431		)
Recoveries	288			390		239			164			1,081			—			1,081
Provision (negative provision)	4,355			93		6,137			(85		)	10,500			(2,254		)	8,246
Balance, end of period	$	34,299		$	4,391	$	52,872		$	754		$	92,316		$	10,955		$	103,271

	Nine Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction									Total			Total
	Mortgage			and Land			Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	25,097		$	4,248		$	39,858		$	1,253		$	70,456		$	13,999		$	84,455
Charge-offs	(1,767		)	—			(12,964		)	(115		)	(14,846		)	(1,698		)	(16,544		)
Recoveries	1,783			1,034			2,393			392			5,602			112			5,714
Provision (negative provision)	9,186			(891		)	23,585			(776		)	31,104			(1,458		)	29,646
Balance, end of period	$	34,299		$	4,391		$	52,872		$	754		$	92,316		$	10,955		$	103,271
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,443		$	31		$	10,343		$	158		$	11,975
Collectively evaluated for impairment	$	32,856		$	4,360		$	42,529		$	596		$	80,341
Acquired loans with deteriorated credit quality																$	10,955
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,393		$	8,047		$	76,088		$	3,540		$	146,068
Collectively evaluated for impairment	$	5,446,694		$	364,433		$	6,175,440		$	126,281		$	12,112,848
Acquired loans with deteriorated credit quality																$	193,289
Ending balance of
loans and leases	$	5,505,087		$	372,480		$	6,251,528		$	129,821		$	12,258,916		$	193,289		$	12,452,205

17

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	Three Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	22,276		$	4,302	$	35,530		$	3,415		$	65,523		$	16,626		$	82,149
Charge-offs	(395		)	—		(7,282		)	(171		)	(7,848		)	(108		)	(7,956		)
Recoveries	1,312			24		337			52			1,725			—			1,725
Provision (negative provision)	3,810			1,591		422			(2,139		)	3,684			2,297			5,981
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899

	Nine Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	26,078		$	4,298	$	26,921		$	2,944		$	60,241		$	21,793		$	82,034
Charge-offs	(976		)	—		(9,049		)	(203		)	(10,228		)	(4,712		)	(14,940		)
Recoveries	1,949			112		1,301			294			3,656			51			3,707
Provision (negative provision)	(48		)	1,507		9,834			(1,878		)	9,415			1,683			11,098
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,568		$	119	$	7,654		$	34		$	9,375
Collectively evaluated for impairment	$	25,435		$	5,798	$	21,353		$	1,123		$	53,709
Acquired loans with deteriorated credit quality															$	18,815
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,041		$	12,621	$	46,143		$	3,448		$	120,253
Collectively evaluated for impairment	$	5,340,203		$	270,446	$	5,387,644		$	104,960		$	11,103,253
Acquired loans with deteriorated credit quality															$	351,379
Ending balance of
loans and leases	$	5,398,244		$	283,067	$	5,433,787		$	108,408		$	11,223,506		$	351,379		$	11,574,885

18

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Non‑Purchased Credit Impaired (Non‑PCI) Loans and Leases

The following table presents the credit risk rating categories for Non‑PCI loans and leases by portfolio segment and class as of the dates indicated. Nonclassified loans and leases are those with a credit risk rating of either pass or special mention, while classified loans and leases are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	10,695	$	613,452	$	624,147	$	17,761	$	542,458	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	56,981		4,425,233		4,482,214		68,084		4,336,330		4,404,414
Total real estate mortgage	79,358		5,425,729		5,505,087		96,986		5,243,574		5,340,560
Real estate construction and land:
Residential	1,407		143,834		145,241		402		96,326		96,728
Commercial	584		226,655		227,239		3,346		207,061		210,407
Total real estate construction and land	1,991		370,489		372,480		3,748		303,387		307,135
Commercial:
Collateralized	17,147		341,942		359,089		22,433		416,754		439,187
Unsecured	2,357		124,214		126,571		1,323		130,501		131,824
Asset-based	3,838		2,018,591		2,022,429		11,547		1,783,304		1,794,851
Cash flow	163,589		2,636,965		2,800,554		83,321		2,376,530		2,459,851
Equipment finance	53,153		841,624		894,777		15,973		953,516		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	243,002		6,008,526		6,251,528		137,804		5,704,659		5,842,463
Consumer	3,687		126,134		129,821		4,073		97,410		101,483
Total Non-PCI loans and leases	$	328,038	$	11,930,878	$	12,258,916	$	242,611	$	11,349,030	$	11,591,641

In addition to our internal risk rating process, our federal and state banking regulators, as an integral part of their examination process, periodically review the Company’s loan and lease risk rating classifications. Our regulators may require the Company to recognize rating downgrades based on their judgments related to information available to them at the time of their examinations. Risk rating downgrades generally result in higher allowances for credit losses.

19

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following tables present an aging analysis of our Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	779	$	—	$	779	$	623,368	$	624,147
SBA	276		8,661		8,937		389,789		398,726
Other	4,022		7,276		11,298		4,470,916		4,482,214
Total real estate mortgage	5,077		15,937		21,014		5,484,073		5,505,087
Real estate construction and land:
Residential	—		—		—		145,241		145,241
Commercial	—		—		—		227,239		227,239
Total real estate construction and land	—		—		—		372,480		372,480
Commercial:
Collateralized	425		140		565		358,524		359,089
Unsecured	57		—		57		126,514		126,571
Asset-based	—		—		—		2,022,429		2,022,429
Cash flow	—		—		—		2,800,554		2,800,554
Equipment finance	—		1,680		1,680		893,097		894,777
SBA	239		1,218		1,457		46,651		48,108
Total commercial	721		3,038		3,759		6,247,769		6,251,528
Consumer	88		3,146		3,234		126,587		129,821
Total Non-PCI loans and leases	$	5,886	$	22,121	$	28,007	$	12,230,909	$	12,258,916

20

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	December 31, 2014
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	—	$	—	$	—	$	560,219	$	560,219
SBA	5,530		4,357		9,887		366,040		375,927
Other	6,098		7,630		13,728		4,390,686		4,404,414
Total real estate mortgage	11,628		11,987		23,615		5,316,945		5,340,560
Real estate construction and land:
Residential	—		—		—		96,728		96,728
Commercial	—		715		715		209,692		210,407
Total real estate construction and land	—		715		715		306,420		307,135
Commercial:
Collateralized	878		965		1,843		437,344		439,187
Unsecured	69		45		114		131,710		131,824
Asset-based	—		—		—		1,794,851		1,794,851
Cash flow	—		232		232		2,459,619		2,459,851
Equipment finance	6,525		366		6,891		962,598		969,489
SBA	205		1,362		1,567		45,694		47,261
Total commercial	7,677		2,970		10,647		5,831,816		5,842,463
Consumer	101		3,146		3,247		98,236		101,483
Total Non-PCI loans and leases	$	19,406	$	18,818	$	38,224	$	11,553,417	$	11,591,641

At September 30, 2015 and December 31, 2014, the Company had no loans and leases (excluding PCI loans) that were greater than 90 days past due and still accruing interest. We discontinue accruing interest when principal or interest payments are past due 90 days or more unless the loan is both well secured and in the process of collection or when, in the judgment of management, there is a reasonable doubt as to the collectability of the loan or lease in the normal course of business. Interest income on nonaccrual loans is recognized only to the extent cash is received and the principal balance of the loan is deemed collectable.

21

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following table presents our nonaccrual and performing Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015						December 31, 2014
	Nonaccrual		Performing		Total		Nonaccrual		Performing		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	1,845	$	622,302	$	624,147	$	6,366	$	553,853	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	18,294		4,463,920		4,482,214		20,105		4,384,309		4,404,414
Total real estate mortgage	31,821		5,473,266		5,505,087		37,612		5,302,948		5,340,560
Real estate construction and land:
Residential	374		144,867		145,241		381		96,347		96,728
Commercial	—		227,239		227,239		1,178		209,229		210,407
Total real estate construction and land	374		372,106		372,480		1,559		305,576		307,135
Commercial:
Collateralized	2,771		356,318		359,089		5,450		433,737		439,187
Unsecured	923		125,648		126,571		639		131,185		131,824
Asset-based	90		2,022,339		2,022,429		4,574		1,790,277		1,794,851
Cash flow	11,761		2,788,793		2,800,554		15,964		2,443,887		2,459,851
Equipment finance	53,153		841,624		894,777		11,131		958,358		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	71,616		6,179,912		6,251,528		40,965		5,801,498		5,842,463
Consumer	3,379		126,442		129,821		3,485		97,998		101,483
Total Non-PCI loans and leases	$	107,190	$	12,151,726	$	12,258,916	$	83,621	$	11,508,020	$	11,591,641

At September 30, 2015, nonaccrual loans and leases totaled $107.2 million and included $22.1 million of loans and leases 90 or more days past due, $2.6 million of loans and leases 30 to 89 days past due, and $82.4 million of current loans and leases that were placed on nonaccrual status based on management’s judgment regarding their collectability. Nonaccrual loans and leases totaled $83.6 million at December 31, 2014, including $18.8 million of loans and leases 90 or more days past due, $8.7 million of loans and leases 30 to 89 days past due, and $56.1 million of current loans and leases that were placed on nonaccrual status based on management’s judgment regarding their collectability. The increase in nonaccrual loans and leases generally, and equipment finance loans and leases specifically, was due to four relationships totaling $47.9 million that are related to the oil and gas industries and which have been adversely impacted by continued low oil prices.

22

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Non‑PCI nonaccrual loans and leases and performing restructured loans are considered impaired for reporting purposes. The following table presents the composition of our impaired loans and leases as of the dates indicated:

	September 30, 2015						December 31, 2014
			Performing		Total				Performing		Total
	Nonaccrual		Restructured		Impaired		Nonaccrual		Restructured		Impaired
	Loans/Leases		Loans		Loans/Leases		Loans/Leases		Loans		Loans/Leases
	(In thousands)
Real estate mortgage	$	31,821	$	27,293	$	59,114	$	37,612	$	20,245	$	57,857
Real estate construction and land	374		7,673		8,047		1,559		8,996		10,555
Commercial	71,616		4,767		76,383		40,965		5,744		46,709
Consumer	3,379		223		3,602		3,485		259		3,744
Total	$	107,190	$	39,956	$	147,146	$	83,621	$	35,244	$	118,865

The following table presents loan and lease relationships having direct exposure to the oil and gas industries as of the dates indicated:

	September 30, 2015			June 30, 2015
	Amount		Obligors	Amount		Obligors
	(Dollars in thousands)
Loans	$	83,025	7	$	87,005	8
Leases	69,247		20	90,189		21
Total oil & gas support services	$	152,272	27	$	177,194	29
Nonaccrual	$	47,853	4	$	64,232	4
Classified	$	47,853	4	$	64,232	4

23

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following tables present information regarding our Non‑PCI impaired loans and leases by portfolio segment and class as of and for the dates indicated:

	September 30, 2015						December 31, 2014
			Unpaid						Unpaid
	Recorded		Principal		Related		Recorded		Principal		Related
	Investment		Balance		Allowance		Investment		Balance		Allowance
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	1,907	$	6	$	1,946	$	1,945	$	47
Other	13,955		14,203		1,437		9,136		9,233		646
Real estate construction and land:
Residential	751		751		31		763		763		46
Commercial	—		—		—		1,128		4,934		23
Commercial:
Collateralized	4,966		5,529		3,006		4,630		5,246		3,771
Unsecured	1,908		1,921		1,580		912		924		799
Asset-based	30		140		30		137		247		137
Cash flow	11,761		17,606		2,097		15,578		17,970		2,667
Equipment finance	9,654		10,247		3,630		6,956		7,268		2,601
Consumer	394		400		158		143		142		37
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	10,019	$	—	$	6,366	$	7,593	$	—
SBA	11,682		15,616		—		11,141		14,708		—
Other	23,650		36,240		—		29,268		40,643		—
Real estate construction and land:
Residential	—		—		—		21		19		—
Commercial	7,296		7,293		—		8,643		8,749		—
Commercial:
Collateralized	1,486		1,908		—		5,566		6,877		—
Unsecured	101		111		—		725		809		—
Asset-based	61		61		—		4,436		5,415		—
Cash flow	—		505		—		387		919		—
Equipment finance	43,498		46,894		—		4,175		7,528		—
SBA	2,918		4,743		—		3,207		4,920		—
Consumer	3,208		3,327		—		3,601		3,768		—
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	59,114	$	77,985	$	1,443	$	57,857	$	74,122	$	693
Real estate construction and land	8,047		8,044		31		10,555		14,465		69
Commercial	76,383		89,665		10,343		46,709		58,123		9,975
Consumer	3,602		3,727		158		3,744		3,910		37
Total	$	147,146	$	179,421	$	11,975	$	118,865	$	150,620	$	10,774

24

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	Three Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	20	$	1,957	$	20
Other	13,801		141		13,302		129
Real estate construction and land:
Residential	751		4		767		4
Commercial	—		—		1,162		6
Commercial:
Collateralized	4,876		48		5,404		46
Unsecured	1,892		13		620		6
Asset-based	30		—		262		—
Cash flow	11,761		—		15,726		—
Equipment finance	9,654		—		1,864		—
Consumer	394		4		146		2
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	144	$	6,451	$	—
SBA	11,209		—		7,521		38
Other	23,466		113		29,119		79
Real estate construction and land:
Residential	—		—		542		—
Commercial	7,193		62		10,221		75
Commercial:
Collateralized	1,486		21		2,746		25
Unsecured	101		1		144		—
Asset-based	1		—		4,472		—
Cash flow	—		—		—		—
Equipment finance	43,406		—		9,466		—
SBA	2,841		—		3,331		36
Consumer	3,208		—		3,492		2
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	58,303	$	418	$	58,350	$	266
Real estate construction and land	7,944		66		12,692		85
Commercial	76,048		83		44,035		113
Consumer	3,602		4		3,638		4
Total	$	145,897	$	571	$	118,715	$	468

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

25

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	Nine Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	58	$	1,957	$	60
SBA	—		—		—		—
Other	13,582		415		12,989		383
Real estate construction and land:
Residential	751		12		767		12
Commercial	—		—		1,162		19
Commercial:
Collateralized	3,876		67		5,404		138
Unsecured	1,464		35		620		18
Asset-based	30		—		262		—
Cash flow	11,761		—		5,357		—
Equipment finance	6,905		—		1,051		—
SBA	—		—		—		—
Consumer	375		11		146		7
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,839	$	426	$	6,451	$	—
SBA	9,518		1		6,259		38
Other	20,952		273		26,858		283
Real estate construction and land:
Residential	—		—		407		—
Commercial	7,021		176		10,221		222
Commercial:
Collateralized	1,238		51		2,623		82
Unsecured	101		4		125		—
Asset-based	—		—		3,013		—
Cash flow	—		—		—		—
Equipment finance	29,088		—		6,057		—
SBA	2,816		82		2,786		36
Consumer	3,208		—		2,856		7
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	53,798	$	1,173	$	54,514	$	764
Real estate construction and land	7,772		188		12,557		253
Commercial	57,279		239		27,298		274
Consumer	3,583		11		3,002		14
Total	$	122,432	$	1,611	$	97,371	$	1,305

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

26

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Troubled debt restructurings are a result of rate reductions, term extensions, fee concessions, and debt forgiveness or a combination thereof. The following tables present new troubled debt restructurings of Non-PCI loans for the periods indicated:

	Three Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	5	956		956		7	10,496		10,496
Real estate construction and land:
Commercial	3	7,333		7,333		—	—		—
Commercial:
Collateralized	1	3,431		3,431		9	1,507		1,507
Unsecured	9	883		883		3	173		173
SBA	—	—		—		2	1,313		1,313
Consumer	1	106		106		3	183		183
Total	19	$	12,709	$	12,709	25	$	13,736	$	13,736

	Nine Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	29	9,506		9,291		15	14,352		14,352
Real estate construction and land:
Commercial	6	16,948		16,948		2	4,920		4,920
Commercial:
Collateralized	13	8,138		8,138		15	4,853		4,853
Unsecured	12	1,190		1,190		5	211		211
Cash flow	4	566		387		—	—		—
Equipment finance	9	53,338		53,338		—	—		—
SBA	1	—		—		2	1,313		1,313
Consumer	2	197		197		4	307		307
Total	76	$	89,883	$	89,489	44	$	26,020	$	26,020

27

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following tables present troubled debt restructurings that subsequently defaulted for the periods indicated:

	Three Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	3	$	2,037		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial - Unsecured	—	—			2	37
Total	3	$	2,037	(2)	3	$	1,227	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

	Nine Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	5	$	3,240		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial:
Collateralized	—	—			1	22
Unsecured	—	—			2	37
Consumer	—	—			1	109
Total	5	$	3,240	(2)	5	$	1,358	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

Purchased Credit Impaired (PCI) Loans

The following table reflects the PCI loans by portfolio segment as of the dates indicated:

	September 30,			December 31,
	2015			2014
	(In thousands)
Real estate mortgage	$	221,258		$	299,660
Real estate construction and land	2,664			7,743
Commercial	8,590			32,904
Consumer	310			332
Total gross PCI loans	232,822			340,639
Less:
Discount	(39,533		)	(49,848		)
Allowance for loan losses	(10,955		)	(13,999		)
Total net PCI loans	$	182,334		$	276,792

28

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following table summarizes the changes in the carrying amount of PCI loans and accretable yield on those loans for the period indicated:

	Carrying			Accretable
	Amount			Yield
	(In thousands)
Balance, December 31, 2014	$	276,792		$	(106,856	)
Accretion	25,523			25,523
Payments received	(121,439		)	—
Increase in expected cash flows, net	—			(10,694		)
Negative provision for credit losses	1,458			—
Balance, September 30, 2015	$	182,334		$	(92,027	)

The following table presents PCI loans by credit risk rating categories and portfolio segment as of the dates indicated. Nonclassified loans are those with a credit risk rating of either pass or special mention, while classified loans are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage	$	48,987	$	135,717	$	184,704	$	101,161	$	155,281	$	256,442
Real estate construction and land	1,254		1,432		2,686		3,901		3,010		6,911
Commercial	5,480		126		5,606		26,942		212		27,154
Consumer	293		—		293		284		—		284
Total PCI loans, net of deferred fees	$	56,014	$	137,275	$	193,289	$	132,288	$	158,503	$	290,791

In addition to our internal risk rating process, our federal and state banking regulators, as an integral part of their examination process, periodically review the Company’s loan risk rating classifications. Our regulators may require the Company to recognize rating downgrades based on their judgments related to information available to them at the time of their examinations.

Note 7.  Foreclosed Assets

The following table summarizes foreclosed assets at the dates indicated:

	September 30,		December 31,
Property Type:	2015		2014
	(In thousands)
Commercial real estate	$	3,558	$	2,449
Construction and land development	14,343		24,759
Multi‑family	3,481		4,823
Single family residence	1,663		3,392
Total other real estate owned, net	23,045		35,423
Other foreclosed assets	10,171		8,298
Total foreclosed assets, net(1)	$	33,216	$	43,721

_________________________

(1) As of September 30, 2015 and December 31, 2014, the amounts of covered foreclosed assets were $8.9 million and $9.3 million.

29

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following table presents the changes in foreclosed assets, net of the valuation allowance, for the period indicated:

	Foreclosed
	Assets
	(In thousands)
Balance, December 31, 2014	$	43,721
Foreclosures	13,472
Provision for losses	(5,163		)
Reductions related to sales	(18,814		)
Balance, September 30, 2015	$	33,216

Note 8.  FDIC Loss Sharing Asset

We are a party to four loss sharing agreements with the FDIC. Such agreements cover a substantial portion of losses incurred on acquired covered loans and other real estate owned. The loss sharing agreements relate to the acquisitions of: (1) Affinity Bank ("Affinity") in August 2009, (2) Los Padres Bank ("Los Padres") in August 2010, (3) Western Commercial Bank ("Western Commercial") in connection with the May 2013 FCAL acquisition, and (4) San Luis Trust Bank ("San Luis") in connection with the May 2013 FCAL acquisition. Generally, under the terms of the loss sharing agreements, the FDIC is responsible for 80% of losses in connection with covered assets and is entitled to receive 80% of loss recoveries on the covered assets during the applicable contractual periods. The loss sharing provisions for the Affinity Bank non-single family covered assets expired in the third quarter of 2014 so further activity will be limited to recoveries through the third quarter of 2017. The loss sharing provisions for the Los Padres Bank non-single family covered assets expired in the third quarter of 2015 so further activity will be limited to recoveries through the third quarter of 2018.

Both the Western Commercial and San Luis loss sharing agreements contain true-up provisions, under which we will owe the FDIC amounts at the end of the loss sharing agreements based on the performance of the covered assets. The true-up liability is included in "Accrued interest payable and other liabilities" in the condensed consolidated balance sheets.

The following table presents information about the composition of the FDIC loss sharing asset, the true‑up liability, and the non‑single family and the single family covered assets as of the date indicated:

	September 30, 2015
						Western		San Luis
	Affinity			Los Padres		Commercial		Trust
	Bank			Bank		Bank		Bank		Total
	(In thousands)
FDIC loss sharing asset	$	(647	)	$	2,885	$	271	$	5,096	$	7,605
True‑up liability	N/A			N/A		$	1,810	$	5,692	$	7,502
Non-single family covered assets(1)	$	87,093		$	52,317	$	7,848	$	19,825	$	167,083
Single family covered assets	$	10,828		$	50,237	N/A		$	24,057	$	85,122
Loss sharing expiration dates:
Non‑single family	3rd Quarter 2014			3rd Quarter 2015		4th Quarter 2015		1st Quarter 2016
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021
Loss recovery expiration dates:
Non‑single family	3rd Quarter 2017			3rd Quarter 2018		4th Quarter 2018		1st Quarter 2019
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021

_________________________

(1) Excludes securities

30

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 9. Borrowings, Subordinated Debentures and Brokered Time Deposits

Borrowings

The following table summarizes our borrowings as of the dates indicated:

	September 30, 2015				December 31, 2014
	Amount		Rate		Amount		Rate
	(Dollars in thousands)
Non‑recourse debt	$	2,497	6.23	%	$	3,402	6.43	%
FHLB overnight advances	550,000		0.20	%	380,000		0.27	%
Total borrowings	$	552,497			$	383,402

The non‑recourse debt represents the payment stream of certain equipment leases sold to third parties. The debt is secured by the leased equipment and all interest rates are fixed. As of September 30, 2015, this debt had a weighted average remaining maturity of 2.3 years.

PacWest did not renew the unsecured, variable-rate revolving line of credit in the amount of $75.0 million which expired on September 30, 2015.

The Bank has established secured and unsecured lines of credit under which it may borrow funds from time to time on a term or overnight basis from the FHLB, the Federal Reserve Bank of San Francisco (“FRBSF”), or other financial institutions.

FHLB Secured Lines of Credit. The borrowing arrangement with the FHLB is based on an FHLB program collateralized by a blanket lien on certain qualifying loans that are not pledged to the FRBSF. As of September 30, 2015, the borrowing capacity under the FHLB secured borrowing lines was $2.4 billion. As of September 30, 2015 and December 31, 2014, the balances outstanding were $550.0 million and $380.0 million.

FRBSF Secured Line of Credit. The Bank has a secured line of credit with the FRBSF. As of September 30, 2015, the Bank had secured borrowing capacity of $2.0 billion collateralized by liens covering $2.6 billion of certain qualifying loans. As of September 30, 2015 and December 31, 2014, there were no balances outstanding.

Federal Funds Arrangements with Commercial Banks. As of September 30, 2015, the Bank had unsecured lines of credit of $80.0 million with correspondent banks for the purchase of overnight funds, subject to availability of funds. These lines are renewable annually and have no unused commitment fees. As of September 30, 2015 and December 31, 2014, there were no balances outstanding.

FHLB Unsecured Line of Credit. During the second quarter of 2015, the Bank obtained a $99.0 million unsecured line of credit with the FHLB for the purchase of overnight funds. As of September 30, 2015, there was no balance outstanding.

31

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Subordinated Debentures

The following table summarizes the terms of each issuance of subordinated debentures outstanding as of the dates indicated:

	September 30, 2015					December 31, 2014					Date	Maturity	Rate Index
Series:	Amount			Rate		Amount			Rate		Issued	Date	(Quarterly Reset)
	(Dollars in thousands)
Trust V	$	10,310		3.43	%	$	10,310		3.33	%	8/15/2003	9/17/2033	3 month LIBOR + 3.10
Trust VI	10,310			3.39	%	10,310			3.29	%	9/3/2003	9/15/2033	3 month LIBOR + 3.05
Trust CII	5,155			3.29	%	5,155			3.19	%	9/17/2003	9/17/2033	3 month LIBOR + 2.95
Trust VII	61,856			3.05	%	61,856			2.98	%	2/5/2004	4/23/2034	3 month LIBOR + 2.75
Trust CIII	20,619			2.03	%	20,619			1.93	%	8/15/2005	9/15/2035	3 month LIBOR + 1.69
Trust FCCI	16,495			1.94	%	16,495			1.84	%	1/25/2007	3/15/2037	3 month LIBOR + 1.60
Trust FCBI	10,310			1.89	%	10,310			1.79	%	9/30/2005	12/15/2035	3 month LIBOR + 1.55
Trust CS 2005-1	82,475			2.29	%	82,475			2.19	%	11/21/2005	12/15/2035	3 month LIBOR + 1.95
Trust CS 2005-2	128,866			2.25	%	128,866			2.18	%	12/14/2005	1/30/2036	3 month LIBOR + 1.95
Trust CS 2006-1	51,545			2.25	%	51,545			2.18	%	2/22/2006	4/30/2036	3 month LIBOR + 1.95
Trust CS 2006-2	51,550			2.25	%	51,550			2.18	%	9/27/2006	10/30/2036	3 month LIBOR + 1.95
Trust CS 2006-3 (1)	28,822			2.03	%	31,188			2.14	%	9/29/2006	10/30/2036	3 month EURIBOR + 2.05
Trust CS 2006-4	16,470			2.25	%	16,470			2.18	%	12/5/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2006-5	6,650			2.25	%	6,650			2.18	%	12/19/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2007-2	39,177			2.25	%	39,177			2.18	%	6/13/2007	7/30/2037	3 month LIBOR + 1.95
Gross subordinated debentures	540,610					542,976
Unamortized discount (2)	(105,193		)			(109,393		)
Net subordinated debentures	$	435,417				$	433,583

___________________

(1) Denomination is in Euros with a value of €25.8 million.

(2) Amount represents the fair value adjustment on subordinated debentures assumed in acquisitions.

Interest payments made by the Company on subordinated debentures are considered dividend payments under the Board of Governors of the Federal Reserve System (“FRB”) regulations. Bank holding companies, such as PacWest, are required to notify the FRB prior to declaring and paying a dividend during any period in which quarterly and/or cumulative twelve‑month net earnings are insufficient to fund the dividend amount, among other requirements.

Brokered Time Deposits

Brokered time deposits totaled $461.1 million and $636.7 million at September 30, 2015 and December 31, 2014. Brokered time deposits under the Certificate of Deposit Account Registry Service Program ("CDARS Program") totaled $37.8 million and $44.0 million at September 30, 2015 and December 31, 2014. The CDARS Program represents deposits that are participated with other FDIC‑insured financial institutions as a means to provide FDIC deposit insurance coverage for the full amount of our customers’ deposits.

32

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 10. Commitments and Contingencies

Lending Commitments

The Company is a party to financial instruments with off‑balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit, and commitments to purchase equipment being acquired for lease to others. Those instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the condensed consolidated balance sheets. The contract or notional amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The following table presents a summary of the financial instruments described above as of the dates indicated:

	September 30,		December 31,
	2015		2014
	(In thousands)
Loan commitments to extend credit	$	2,022,046	$	1,921,067
Standby letters of credit	104,073		88,495
Commitments to purchase equipment being acquired for lease to others	6,935		12,839
	$	2,133,054	$	2,022,401

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates 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.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. We provide standby letters of credit in conjunction with several of our lending arrangements and property lease obligations. Most guarantees expire within one year from the date of issuance. If a borrower defaults on its commitments subject to any letter of credit issued under these arrangements, we would be required to meet the borrower's financial obligation but would seek repayment of that financial obligation from the borrower. In some cases, borrowers have pledged cash and investment securities as collateral with us under these arrangements.

In addition, the Company has investments in low income housing project partnerships, which provide the Company income tax credits, and in a few small business investment companies that call for capital contributions up to an amount specified in the partnership agreements. As of September 30, 2015 and December 31, 2014, the Company had commitments to contribute capital to these entities totaling $16.7 million and $11.0 million, respectively. We also had commitments to contribute up to an additional $2.8 million and $2.9 million to 11 private equity funds at September 30, 2015 and December 31, 2014, respectively.

Legal Matters

In the ordinary course of our business, the Company is party to various legal actions, which we believe are incidental to the operation of our business. The outcome of such legal actions and the timing of ultimate resolution are inherently difficult to predict. In the opinion of management, based upon currently available information, any resulting liability, in addition to amounts already accrued, would not have a material adverse effect on the Company’s financial statements or operations.

33

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 11.  Fair Value Measurements

ASC Topic 820, “Fair Value Measurement,” defines fair value, establishes a framework for measuring fair value including a three‑level valuation hierarchy, and expands disclosures about fair value measurements. Fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date reflecting assumptions that a market participant would use when pricing an asset or liability. The hierarchy uses three levels of inputs to measure the fair value of assets and liabilities as follows:

• Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2: Observable inputs other than Level 1, including quoted prices for similar assets and liabilities in active markets, quoted prices in less active markets, or other observable inputs that can be corroborated by observable market data, either directly or indirectly, for substantially the full term of the financial instrument. This category generally includes government agency and government‑sponsored enterprise securities.

• Level 3: Inputs to a valuation methodology that are unobservable, supported by little or no market activity, and significant to the fair value measurement. These valuation methodologies generally include pricing models, discounted cash flow models, or a determination of fair value that requires significant management judgment or estimation. This category also includes observable inputs from a pricing service not corroborated by observable market data, and includes our covered private label CMOs.

We use fair value to measure certain assets and liabilities on a recurring basis, primarily securities available‑for‑sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered “nonrecurring” for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for impaired loans and other real estate owned and also to record impairment on certain assets, such as goodwill, core deposit intangibles, and other long‑lived assets.

The following tables present information on the assets measured and recorded at fair value on a recurring basis as of the dates indicated:

	Fair Value Measurements as of
	September 30, 2015
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	407,598	$	—	$	407,598	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	211,419		—		211,419		—
Covered private label CMOs	31,026		—		—		31,026
Other private label CMOs	7,262		—		7,262		—
Municipal securities	858,837		—		858,837		—
Corporate debt securities	47,396		—		47,396		—
Collateralized loan obligations	132,317		—		132,317		—
SBA loan pool securities	51,548		—		51,548		—
Government‑sponsored enterprise debt securities	37,524		—		37,524		—
Other securities	24,437		522		23,915		—
Total securities available-for-sale	1,809,364		522		1,777,816		31,026
Derivative assets	10,576		—		10,576		—
Total recurring assets	$	1,819,940	$	522	$	1,788,392	$	31,026
Derivative liabilities	$	526	$	—	$	526	$	—

34

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	Fair Value Measurements as of
	December 31, 2014
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	535,672	$	—	$	535,672	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	277,946		—		277,946		—
Covered private label CMOs	33,947		—		—		33,947
Other private label CMOs	10,914		—		10,914		—
Municipal securities	536,116		—		536,116		—
Corporate debt securities	110,109		—		110,109		—
Government‑sponsored enterprise debt securities	36,757		—		36,757		—
Other securities	25,716		519		25,197		—
Total securities available-for-sale	1,567,177		519		1,532,711		33,947
Derivative assets	5,234		—		5,234		—
Total recurring assets	$	1,572,411	$	519	$	1,537,945	$	33,947
Derivative liabilities	$	118	$	—	$	118	$	—

There were no transfers of assets either between Level 1 and Level 2 nor in or out of Level 3 of the fair value hierarchy for assets measured on a recurring basis during the nine months endedSeptember 30, 2015.

The following table presents information about quantitative inputs and assumptions used to determine the fair values provided by our third party pricing service for our Level 3 covered private label CMOs measured at fair value on a recurring basis as of September 30, 2015:

	Covered Private Label CMOs
		Weighted
	Range	Average
Unobservable Inputs:	of Inputs	Input
Voluntary annual prepayment speeds	0% - 19.31%	5.0%
Annual default rates	0% - 10.52%	2.6%
Loss severity rates	0% - 94.04%	32.8%
Discount rates	0% - 37.05%	5.6%

The following table summarizes activity for assets measured at fair value on a recurring basis that are categorized as Level 3 for the period indicated:

	Covered Private
	Label CMOs
	(In thousands)
Balance, December 31, 2014	$	33,947
Total realized in earnings	810
Total unrealized loss in comprehensive income	(945		)
Net settlements	(2,786		)
Balance, September 30, 2015	$	31,026

35

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

The following tables present assets measured at fair value on a non‑recurring basis as of the dates indicated:

	Fair Value Measurement as of
	September 30, 2015
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,622	$	—	$	2,556	$	40,066
Other real estate owned	14,679		—		14,619		60
Total non-recurring	$	57,301	$	—	$	17,175	$	40,126

	Fair Value Measurement as of
	December 31, 2014
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,693	$	—	$	2,366	$	40,327
Other real estate owned	24,015		—		18,400		5,615
Investments carried at cost	566		—		—		566
Total non-recurring	$	67,274	$	—	$	20,766	$	46,508

The following table presents losses recognized on assets measured on a nonrecurring basis for the periods indicated:

	Three Months Ended			Nine Months Ended
Loss on Assets Measured on a Non‑Recurring Basis:	September 30, 2015			September 30, 2015
	(In thousands)
Impaired Non‑PCI loans	$	(873	)	$	(7,623	)
Other real estate owned	(4,758		)	(4,882		)
Total net loss	$	(5,631	)	$	(12,505	)

The following table presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a nonrecurring basis as of September 30, 2015:

			Valuation	Unobservable		Weighted
Asset:	Fair Value		Technique	Inputs	Range	Average
	(In thousands)
Impaired Non-PCI loans	$	33,371	Discounted cash flows	Discount rates	0% - 9.04%	5.97%
	6,695		Third party appraisals	No discounts
Other real estate owned	60		Third party appraisals	Illiquidity discount	27.6% - 43.9%	32.9%
Total non-recurring Level 3	$	40,126

36

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

ASC Topic 825, “Financial Instruments,” requires disclosure of the estimated fair value of certain financial instruments and the methods and significant assumptions used to estimate such fair values. Additionally, certain financial instruments and all nonfinancial instruments are excluded from the applicable disclosure requirements.

The following tables present a summary of the carrying values and estimated fair values of certain financial instruments as of the dates indicated:

	September 30, 2015
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	154,652	$	154,652	$	154,652	$	—	$	—
Interest‑earning deposits in financial institutions	81,642		81,642		81,642		—		—
Securities available‑for‑sale	1,809,364		1,809,364		522		1,777,816		31,026
Investment in FHLB stock	17,250		17,250		—		17,250		—
Investments carried at cost	1,420		9,300		—		—		9,300
Loans and leases, net	12,348,934		12,254,393		—		2,556		12,251,837
Derivative assets	10,576		10,576		—		10,576		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	7,528,467		7,528,467		—		7,528,467		—
Time deposits	4,587,296		4,588,540		—		4,588,540		—
Borrowings	552,497		552,570		550,000		2,570		—
Subordinated debentures	435,417		419,180		—		419,180		—
Derivative liabilities	526		526		—		526		—

	December 31, 2014
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	164,757	$	164,757	$	164,757	$	—	$	—
Interest‑earning deposits in financial institutions	148,469		148,469		148,469		—		—
Securities available‑for‑sale	1,567,177		1,567,177		519		1,532,711		33,947
Investment in FHLB stock	40,609		40,609		—		40,609		—
Investments carried at cost	3,691		3,691		—		—		3,691
Investments accounted for under the equity method	21,461		21,700		—		—		21,700
Loans and leases, net	11,797,977		11,757,951		—		2,366		11,755,585
Derivative assets	5,234		5,234		—		5,234		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	6,256,190		6,256,190		—		6,256,190		—
Time deposits	5,498,938		5,502,479		—		5,502,479		—
Borrowings	383,402		383,539		380,000		3,539		—
Subordinated debentures	433,583		417,657		—		417,657		—
Derivative liabilities	118		118		—		118		—

37

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

For information regarding the valuation methodologies used to measure our assets recorded at fair value (under ASC Topic 820), and for estimating fair value for financial instruments not recorded at fair value (under ASC Topic 825), see Note 1 - Nature of Operations and Summary of Significant Accounting Policies and Note 14 - Fair ValueMeasurements to the Consolidated Financial Statements of the Company's 2014 Annual Report on Form 10-K.

Limitations

Fair value estimates are made at a specific point in time and are based on relevant market information and information about the financial instrument. These estimates do not reflect income taxes or any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a portion of the Company’s financial instruments, fair value estimates are based on what management believes to be reasonable judgments regarding expected future cash flows, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimated fair values are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates. Since the fair values have been estimated as of September 30, 2015, the amounts that will actually be realized or paid at settlement or maturity of the instruments could be significantly different.

38

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 12. Earnings Per Share

The following table presents the computations of basic and diluted net earnings per share for the periods indicated:

			Three Months Ended									Nine Months Ended
			September 30,			June 30,			September 30,			September 30,
			2015			2015			2014			2015			2014
			(Dollars in thousands, except per share data)
Basic Earnings Per Share:
	Net earnings from continuing operations		$	69,616		$	85,083		$	62,276		$	227,778		$	99,411
	Less:	Earnings allocated to unvested restricted stock(1)	(649		)	(807		)	(685		)	(2,213		)	(1,147		)
	Net earnings from continuing operations allocated to common shares		68,967			84,276			61,591			225,565			98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares and unvested restricted
	stock outstanding		103,048			103,030			103,029			103,038			82,758
	Less:	Weighted-average unvested restricted stock outstanding	(985		)	(1,060		)	(1,117		)	(1,055		)	(981		)
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Basic earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Diluted Earnings Per Share:
	Net earnings from continuing operations allocated to common shares		$	68,967		$	84,276		$	61,591		$	225,565		$	98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Diluted earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18

________________________

(1) Represents cash dividends paid to holders of unvested restricted stock, net of estimated forfeitures, plus undistributed earnings amounts available to holders of unvested restricted stock, if any.

39

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 13. Stock Based Compensation

The Company’s 2003 Stock Incentive Plan, or the 2003 Plan, permits stock-based compensation awards to officers, directors, key employees and consultants. As of September 30, 2015, the 2003 Plan authorized grants of stock‑based compensation instruments to purchase or issue up to 19,686,565 shares of Company common stock, subject to adjustments provided by the 2003 Plan. As of September 30, 2015, there were 13,202,836 shares available for grant under the 2003 Plan.

Restricted Stock

At September 30, 2015, there were 988,825 shares of unvested time‑based restricted common stock outstanding. The awarded shares of time‑based restricted common stock vest over a service period of three to four years from the date of the grant or immediately upon the death of an employee. Upon closing of the CapitalSource Inc. merger on April 7, 2014, 1,013,377 of awarded shares of restricted common stock vested due to the triggering of the change of control provision contained within the 2003 Plan and a $26.1 million charge to earnings for the vesting of such shares was recorded. Such amount is included in "Acquisition, integration and reorganization costs" on the condensed consolidated statements of earnings in the second quarter of 2014.

Compensation expense related to time‑based restricted stock awards is based on the fair value of the underlying stock on the award date and is recognized over the vesting period using the straight‑line method. Restricted stock amortization totaled $3.8 million, $4.4 million, and $2.9 million for the three months endedSeptember 30, 2015, June 30, 2015 and September 30, 2014, respectively, and $11.2 million and $6.9 million for the nine months endedSeptember 30, 2015 and 2014, respectively. Such amounts are included in "Compensation expense" on the condensed consolidated statements of earnings.

The amount of unrecognized compensation expense related to all unvested restricted stock as of September 30, 2015 totaled $34.8 million.

40

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 14. Business Segments

The Company’s reportable segments consist of “Community Banking," “National Lending,” and “Other.” The Community Banking and National Lending segments include all of the operations of Pacific Western Bank. The Other segment consists of holding company and non-bank subsidiary operations, and intercompany eliminations.

As a result of the CapitalSource Inc. merger, the Bank formed the CapitalSource Division, which we also refer to as the National Lending segment. The National Lending segment includes the lending operations gained through the CapitalSource Inc. merger, Pacific Western Equipment Finance, and the CapitalSource Business Finance Group. We reorganized our asset-based lending and leasing operations when we formed the CapitalSource Division.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans, cash flow loans, and real estate loans secured by various property types. The CapitalSource Division’s loan and lease origination efforts are conducted through offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; Phoenix, Arizona; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah.

The Community Banking segment includes the operations of Pacific Western Bank, excluding the CapitalSource Division, and includes lending and deposit gathering activities conducted primarily through its California-based branch offices and the Bank’s treasury management function and corporate overhead.

The Other segment consists of holding company operations that result in expenses principally for compensation, facilities, professional services, interest on subordinated debentures, and the non-bank subsidiary operations including interest income from a loan portfolio and related loan servicing expense.

The accounting policies of the reportable segments are the same as those of the Company described in Note 1, "Nature of Operations and Summary of Significant Accounting Policies," of our Form 10-K. Transactions between segments consist primarily of borrowed funds and expense allocations for interest, deposit gathering, corporate overhead and credit loss provisions. Intersegment interest expense is allocated from the Community Banking segment to the National Lending segment based upon National Lending’s average earning assets, net of a capital allocation, and the Bank’s total cost of deposits. The Community Banking segment further allocates to the National Lending segment noninterest expense for deposit gathering and maintenance costs and the Bank’s corporate overhead. The provision for credit losses is allocated based on actual charge‑offs for the period as well as net portfolio growth and credit quality trends. All costs associated with investing the Bank’s excess liquidity are included in the Community Banking segment. Noninterest income and noninterest expense, including lending and loan servicing activity, directly attributable to a segment are assigned to such segment.

The following tables present information regarding our business segments as of and for the periods indicated:

	September 30, 2015
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,141,576		$	9,302,580		$	8,049		$	12,452,205
Allowance for loan and lease losses	(39,522		)	(63,749		)	—			(103,271		)
Total loans and leases, net	$	3,102,054		$	9,238,831		$	8,049		$	12,348,934
Goodwill	$	333,979		$	1,394,401		$	—		$	1,728,380
Core deposit and customer relationship intangibles, net	12,143			561			—			12,704
Total assets	6,288,790			10,418,282			107,033			16,814,105
Total deposits(1)	12,484,050			36,586			(404,873		)	12,115,763

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

41

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	September 30, 2014
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,482,125		$	8,064,868		$	27,892		$	11,574,885
Allowance for loan and lease losses	(56,712		)	(25,187		)	—			(81,899		)
Total loans and leases, net	$	3,425,413		$	8,039,681		$	27,892		$	11,492,986
Goodwill	$	327,728		$	1,394,401		$	—		$	1,722,129
Core deposit and customer relationship intangibles, net	17,814			1,009			—			18,823
Total assets	6,492,674			9,182,617			262,859			15,938,150
Total deposits(1)	11,826,681			—			(303,244		)	11,523,437

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

	Three Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	58,368		$	148,264		$	1,040		$	207,672
Interest expense	(10,430		)	(42		)	(4,680		)	(15,152		)
Intersegment interest income (expense)	6,629			(6,629		)	—			—
Net interest income (expense)	54,567			141,593			(3,640		)	192,520
Negative provision (provision) for credit losses	1,309			(10,145		)	90			(8,746		)
Gain on sale of securities	655			—			—			655
FDIC loss sharing expense, net	(4,449		)	—			—			(4,449		)
Other noninterest income	7,956			7,478			4,118			19,552
Total noninterest income	4,162			7,478			4,118			15,758
Foreclosed assets (expense) income, net	(4,787		)	39			227			(4,521		)
Intangible asset amortization	(1,385		)	(112		)	—			(1,497		)
Acquisition, integration and reorganization costs	(747		)	—			—			(747		)
Other noninterest expense	(56,318		)	(23,763		)	(3,293		)	(83,374		)
Total noninterest expense	(63,237		)	(23,836		)	(3,066		)	(90,139		)
Intersegment noninterest income (expense)	28,280			(28,280		)	—			—
Total noninterest expense - adjusted	(34,957		)	(52,116		)	(3,066		)	(90,139		)
Earnings (loss) before taxes	25,081			86,810			(2,498		)	109,393
Income tax (expense) benefit	(9,584		)	(33,172		)	2,979			(39,777		)
Net earnings	$	15,497		$	53,638		$	481		$	69,616

42

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Notes to Condensed Consolidated Financial Statements (Unaudited)

	Three Months Ended June 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	63,392		$	154,816		$	247		$	218,455
Interest expense	(11,273		)	(48		)	(4,582		)	(15,903		)
Intersegment interest income (expense)	7,140			(7,140		)	—			—
Net interest income (expense)	59,259			147,628			(4,335		)	202,552
Negative provision (provision) for credit losses	734			(7,263		)	—			(6,529		)
Loss on sale of securities	(186		)	—			—			(186		)
FDIC loss sharing expense, net	(5,107		)	—			—			(5,107		)
Other noninterest income	4,235			14,465			6,216			24,916
Total noninterest income	(1,058		)	14,465			6,216			19,623
Foreclosed assets (expense) income, net	(351		)	(22		)	2,713			2,340
Intangible asset amortization	(1,390		)	(112		)	—			(1,502		)
Acquisition, integration and reorganization costs	(806		)	—			(94		)	(900		)
Other noninterest expense	(58,304		)	(24,164		)	(2,746		)	(85,214		)
Total noninterest expense	(60,851		)	(24,298		)	(127		)	(85,276		)
Intersegment noninterest income (expense)	28,857			(28,857		)	—			—
Total noninterest expense - adjusted	(31,994		)	(53,155		)	(127		)	(85,276		)
Earnings before taxes	26,941			101,675			1,754			130,370
Income tax (expense) benefit	(10,484		)	(39,566		)	4,763			(45,287		)
Net earnings	$	16,457		$	62,109		$	6,517		$	85,083

	Three Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	67,132		$	134,624		$	600		$	202,356
Interest expense	(8,851		)	(45		)	(4,614		)	(13,510		)
Intersegment interest income (expense)	5,250			(5,250		)	—			—
Net interest income (expense)	63,531			129,329			(4,014		)	188,846
Negative provision (provision) for credit losses	6,314			(11,364		)	—			(5,050		)
FDIC loss sharing expense, net	(7,415		)	—			—			(7,415		)
Other noninterest income	7,566			9,953			6,210			23,729
Total noninterest income	151			9,953			6,210			16,314
Foreclosed assets (expense) income, net	(4,627		)	(322		)	122			(4,827		)
Intangible asset amortization	(1,517		)	(91		)	—			(1,608		)
Acquisition, integration and reorganization costs	(3,953		)	(1,240		)	—			(5,193		)
Other noninterest expense	(53,078		)	(24,835		)	(5,382		)	(83,295		)
Total noninterest expense	(63,175		)	(26,488		)	(5,260		)	(94,923		)
Intersegment noninterest income (expense)	26,411			(26,411		)	—			—
Total noninterest expense - adjusted	(36,764		)	(52,899		)	(5,260		)	(94,923		)
Earnings (loss) from continuing operations before taxes	33,232			75,019			(3,064		)	105,187
Income tax (expense) benefit	(14,576		)	(30,113		)	1,778			(42,911		)
Net earnings (loss) from continuing operations	18,656			44,906			(1,286		)	62,276
Loss from discontinued operations before taxes	(8		)	—			—			(8		)
Income tax benefit	3			—			—			3
Net loss from discontinued operations	(5		)	—			—			(5		)
Net earnings (loss)	$	18,651		$	44,906		$	(1,286	)	$	62,271

43

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

	Nine Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	184,716		$	454,299		$	1,426		$	640,441
Interest expense	(32,364		)	(143		)	(13,787		)	(46,294		)
Intersegment interest income (expense)	20,490			(20,490		)	—			—
Net interest income (expense)	172,842			433,666			(12,361		)	594,147
Negative provision (provision) for credit losses	10,107			(41,814		)	(2		)	(31,709		)
Gain on sale of securities	3,744			—			—			3,744
FDIC loss sharing expense, net	(13,955		)	—			—			(13,955		)
Other noninterest income	21,766			27,085			17,612			66,463
Total noninterest income (expense)	11,555			27,085			17,612			56,252
Foreclosed assets (expense) income, net	(5,182		)	(44		)	2,709			(2,517		)
Intangible asset amortization	(4,164		)	(336		)	—			(4,500		)
Acquisition, integration and reorganization costs	(3,443		)	—			(204		)	(3,647		)
Other noninterest expense	(169,827		)	(70,764		)	(8,520		)	(249,111		)
Total noninterest expense	(182,616		)	(71,144		)	(6,015		)	(259,775		)
Intersegment noninterest income (expense)	83,700			(83,700		)	—			—
Total noninterest expense - adjusted	(98,916		)	(154,844		)	(6,015		)	(259,775		)
Earnings (loss) before taxes	95,588			264,093			(766		)	358,915
Income tax (expense) benefit	(36,941		)	(102,020		)	7,824			(131,137		)
Net earnings	$	58,647		$	162,073		$	7,058		$	227,778

	Nine Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	214,704		$	278,131		$	2,244		$	495,079
Interest expense	(17,528		)	(184		)	(9,973		)	(27,685		)
Intersegment interest income (expense)	9,543			(9,543		)	—			—
Net interest income (expense)	206,719			268,404			(7,729		)	467,394
Negative provision (provision) for credit losses	11,558			(20,994		)	—			(9,436		)
Gain on sale of securities	4,841			—			—			4,841
FDIC loss sharing expense, net	(27,370		)	—			—			(27,370		)
Other noninterest income	18,144			26,885			6,984			52,013
Total noninterest income	(4,385		)	26,885			6,984			29,484
Foreclosed assets (expense) income, net	(3,399		)	(284		)	220			(3,463		)
Intangible asset amortization	(4,238		)	(411		)	—			(4,649		)
Acquisition, integration and reorganization costs	(83,866		)	(8,714		)	(1,055		)	(93,635		)
Other noninterest expense	(144,164		)	(55,892		)	(12,484		)	(212,540		)
Total noninterest expense	(235,667		)	(65,301		)	(13,319		)	(314,287		)
Intersegment noninterest income (expense)	49,944			(49,944		)	—			—
Total noninterest expense - adjusted	(185,723		)	(115,245		)	(13,319		)	(314,287		)
Earnings (loss) from continuing operations before taxes	28,169			159,050			(14,064		)	173,155
Income tax (expense) benefit	(16,240		)	(63,703		)	6,199			(73,744		)
Net earnings (loss) from continuing operations	11,929			95,347			(7,865		)	99,411
Loss from discontinued operations before taxes	(2,572		)	—			—			(2,572		)
Income tax benefit	1,067			—			—			1,067
Net loss from discontinued operations	(1,505		)	—			—			(1,505		)
Net earnings (loss)	$	10,424		$	95,347		$	(7,865	)	$	97,906

44

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 15.  Recently Issued Accounting Standards

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, "Revenue Recognition (Topic 606): Revenue from Contracts with Customers." ASU 2014-09 requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. ASU 2014-09 will replace most existing revenue recognition guidance in GAAP when it becomes effective. The standard permits the use of either the retrospective or cumulative effect transition method. The Company is evaluating the effect that ASU 2014-09 will have on its financial statements and related disclosures. The Company has not yet selected a transition method nor has it determined the effect of the standard on its ongoing financial reporting. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date," which deferred the effective date of ASU 2014-09 to annual and interim periods beginning after December 15, 2017. Early application is not permitted.

In June 2014, the FASB issued ASU 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." ASU 2014-12 will be effective for annual and interim periods beginning after December 15, 2015. ASU 2014-12 applies to all reporting entities that grant their employees share-based payments in which the terms of the award provide for a performance target that affects vesting could be achieved after the requisite service period. That is the case when an employee is eligible to retire or otherwise terminate employment before the end of the period in which a performance target (for example, an initial public offering or a profitability target) could be achieved and still be eligible to vest in the award if and when the performance target is achieved. We do not currently have outstanding performance-based awards and, as a result, ASU 2014-12 would not impact our financial statements and its related disclosures.

In January 2015, the FASB issued ASU 2015-01, "Income Statement - Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items," which eliminates the concept of extraordinary items from U.S. GAAP as part of its simplification initiative. Under ASU 2015-01, an entity will no longer separate out an extraordinary item from the results of ordinary operations and separately present this extraordinary item on its income statement, nor will related income tax and earnings-per-share data applicable to an extraordinary item need to be disclosed. Despite these simplifications, ASU 2015-01 does not affect disclosure guidance for events or transactions that are unusual in nature or infrequent in their occurrence. ASU 2015-01 is effective for annual periods beginning after December 15, 2015, and interim periods within those annual periods. The Company does not expect the effect of ASU 2015-01 to have a material impact on its financial statements and related disclosures.

In February 2015, the FASB issued ASU 2015-02, "Consolidation (Topic 810): Amendments to the Consolidation Analysis," which changes the way reporting enterprises evaluate whether (a) they should consolidate limited partnerships and similar entities, (b) fees paid to a decision maker or service provider are variable interests in a variable interest entity (VIE), and (c) variable interests in a VIE held by related parties of the reporting enterprise require the reporting enterprise to consolidate the VIE. It also eliminates the VIE consolidation model based on majority exposure to variability that applied to certain investment companies and similar entities. ASU 2015-2 is effective for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted, including adoption in an interim period. The Company does not expect the effect of ASU 2015-02 to have a material impact on its financial statements and related disclosures.

In April 2015, the FASB issued ASU 2015-03, "Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs" to modify the presentation of debt issuance costs.  Prior to ASU 2015-03, issuance costs were presented as an asset on the statement of financial position, which the FASB concluded was inconsistent with both IFRS as well as FASB Concept Statement No. 6. This ASU requires that issuance costs be presented as a direct deduction of debt balances on the statement of financial position, similar to the presentation of debt discounts. ASU 2015-03 is effective for public companies for years beginning after December 15, 2015, and interim periods within those fiscal periods. For all other entities, ASU 2015-03 is effective for years beginning after December 15, 2015 and interim periods within annual periods beginning after December 15, 2016, while early adoption is permitted for financial statements that have not already been issued. Additionally, the provisions should be applied on a retrospective basis as a change in accounting principle. ASU 2015-03 will not have an impact on the Company's financial statements and related disclosures.

45

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Subsequent to the issuance of ASU 2015-03, the SEC staff made an announcement regarding the presentation and subsequent measurement of debt issuance costs associated with line-of-credit arrangements, which were not addressed in ASU 2015-03. In August 2015, the FASB codified the SEC announcement in the issuance of ASU 2015-15, "Interest - Imputation of Interest (Subtopic 835-30): Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements." Per ASU 2015-15, for debt issuance costs related to line-of-credit arrangements, the SEC would not object to an entity deferring and presenting such costs as an asset and subsequently amortizing the costs ratably over the term of the line-of-credit arrangement, regardless of whether there were any outstanding borrowings on the line-of-credit arrangement. The SEC staff guidance is effective upon adoption of ASU 2015-03. ASU 2015-15 will not have an impact on the Company's financial statements and related disclosures.

In April 2015, the FASB issued ASU 2015-05, "Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement." Under ASU 2015-05, a customer should determine whether the arrangement includes a software license. If so, the customer should account for the software license component in a manner consistent with the accounting for other software licenses. If the arrangement does not include a software license, the arrangement should be accounted for as a service contract. The provisions of ASU 2015-05 must be applied by public entities to annual periods beginning after December 15, 2015 as well as interim periods within those annual periods. The Company does not expect the effect of ASU 2015-05 to have a material impact on its financial statements and related disclosures.

In May 2015, the FASB issued ASU 2015-08, "Business Combinations, Pushdown Accounting (Topic 805): Amendments to SEC Paragraphs Pursuant to Staff Accounting Bulletin No. 115" which revised the SEC's requirement for recognition and disclosure of a new basis of accounting (or pushdown accounting) for certain business combination situations. The Company does not expect ASU 2015-08 to have any impact on its financial statements and related disclosures.

In June 2015, the FASB issued ASU 2015-10, "Technical Corrections and Improvements" which is a set of wide-ranging, small corrections and improvements to clarify the Codification, correct unintended application of guidance, or improve the Codification. The provisions of ASU 2015-10 are effective for fiscal years beginning after December 15, 2015, as well as interim periods within those fiscal years.

In September 2015, the FASB issued ASU 2015-16, "Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments," which eliminates the requirement for an acquirer to retrospectively adjust the financial statements for measurement-period adjustments that occur in periods after a business combination is consummated. ASU 2015-16 will be effective for annual and interim periods beginning after December 15, 2015. Early adoption is permitted. The Company does not expect ASU 2015-16 to have any impact on its financial statements and related disclosures.

46

PACWEST BANCORP AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 16. Subsequent Events

Square 1 Financial, Inc. Acquisition

On October 6, 2015, PacWest completed the acquisition of Square 1 Financial, Inc. ("Square 1"). As part of the acquisition, Square 1 Bank, a wholly-owned subsidiary of Square 1, merged with and into PacWest's wholly-owned banking subsidiary, Pacific Western Bank, and the surviving subsidiary bank is Pacific Western Bank. As of September 30, 2015, Square 1 had $4.0 billion in assets.

Upon closing, we formed the Square 1 Bank Division of Pacific Western Bank. The Square 1 Bank Division will continue its nationwide focus on venture-backed companies and venture capital firms, and will continue to offer a full spectrum of deposit, treasury management, and lending products.

Under the terms of the definitive agreement, Square 1 stockholders received 0.5597 of a share of PacWest common stock for each share of Square 1 common stock and holders of stock options and restricted stock units received cash consideration as described in the agreement. PacWest issued an aggregate of approximately 18.1 million shares of PacWest common stock to Square 1 stockholders and a total of $17.8 million to Square 1 equity award holders in satisfaction of all outstanding equity awards. Based on the closing price of PacWest's common stock on October 6, 2015 of $43.97 per share, the aggregate consideration paid to Square 1 common stockholders and holders of equity awards to acquire Square 1 common stock was approximately $815 million. Former holders of Square 1 common stock as a group received shares of PacWest common stock in the acquisition constituting approximately 15.0% of the outstanding shares of PacWest common stock immediately after the acquisition.

Square 1 Bank was a commercial bank headquartered in Durham, North Carolina. Square 1 Bank offered a comprehensive suite of financial services focused on entrepreneurial businesses and their venture capital and private equity investors, with offices located in all key innovative hubs across the United States. We completed the acquisition to improve our core deposits, expand the Company's nationwide lending platform, and increase the Company's presence in the technology and life-sciences credit markets.

As of September 30, 2015, on a pro forma combined basis with Square 1 and excluding purchase accounting adjustments, PacWest would have had approximately $21 billion in assets with 80 branches throughout California and one branch in North Carolina.

Common Stock Dividends

On November 2, 2015, the Company announced that the Board of Directors had declared a quarterly cash dividend of $0.50 per common share. The cash dividend is payable on November 30, 2015 to stockholders of record at the close of business on November 16, 2015.

We have evaluated events that have occurred subsequent to September 30, 2015 and have concluded there are no other subsequent events that would require recognition in the accompanying consolidated financial statements.

47

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

Forward-Looking Information

This Form 10-Q contains certain “forward-looking statements” about the Company and its subsidiaries within the meaning of the Private Securities Litigation Reform Act of 1995, including certain plans, strategies, goals, and projections and including statements about our expectations regarding our acquisition of Square 1, intentions to expand the Bank’s lending business; net interest income, net interest margin, allowance for loan and lease losses, deposit growth, loan and lease portfolio growth and production, liquidity, goodwill, interest rate risk management, realization of deferred tax assets, and effective tax rates. All statements contained in this Form 10-Q that are not clearly historical in nature are forward-looking, and the words “anticipate,” “assume,” “intend,” “believe,” “forecast,” “expect,” “estimate,” “plan,” “continue,” “will,” “should,” “look forward” and similar expressions are generally intended to identify forward-looking statements. All forward-looking statements (including statements regarding future financial and operating results and future transactions and their results) involve risks, uncertainties and contingencies, many of which are beyond our control, which may cause actual results, performance, or achievements to differ materially from anticipated results, performance or achievements. Actual results could differ materially from those contained or implied by such forward-looking statements for a variety of factors, including without limitation:

• the Company’s ability to complete future acquisitions and to successfully integrate such acquired entities or achieve expected benefits, synergies and/or operating efficiencies within expected time frames or at all;

▪ business disruption following the Square 1 acquisition;

▪ changes in the Company’s stock price;

▪ the reaction to the Square 1 acquisition of the companies’ customers, employees and counterparties;

▪ inability to attract qualified professionals;

▪ change in interest rates and lending spreads;

▪ unfavorable changes in asset mix;

▪ compression of the net interest margin due to changes in our loan products or spreads on newly originated loans;

▪ a change in the interest rate environment reduces net interest margins;

▪ credit quality deterioration or pronounced and sustained reduction in market values or other economic factors which adversely affect our borrowers’ ability to repay loans and leases;

▪ higher than anticipated loan losses;

▪ changes in economic or competitive market conditions could negatively impact investment or lending opportunities or product pricing and services;

▪ reduced demand for our services due to strategic or regulatory reasons;

▪ our inability to grow deposits and access wholesale funding sources;

▪ legislative or regulatory requirements or changes that adversely affect the Company’s business, including an increase to capital requirements;

▪ loan repayments higher than expected;

▪ higher than anticipated delinquencies, charge-offs, and reserves;

▪ asset/liability repricing risks and liquidity risks reduce net interest margins and the value of investments;

▪ lower than expected dividends paid from the Bank to the holding company;

▪ a deterioration in the overall macroeconomic conditions or the state of the banking industry that could warrant further analysis of the carrying value of goodwill and could result in an adjustment to its carrying value resulting in a non-cash charge to net income;

▪ the success and timing of other business strategies and asset sales;

▪ changes in the relationship between yields on investment securities and loans repaid and yields on assets reinvested;

▪ changes in the forward yield curve;

▪ changes in tax laws or regulations affecting our business;

▪ our inability to generate sufficient earnings;

▪ tax planning or disallowance of tax benefits by tax authorities;

▪ changes in tax filing jurisdictions or entity classifications; and

• other risk factors described in our audited consolidated financial statements, and other risk factors described in this Form 10-Q and documents filed by PacWest with the U.S. Securities and Exchange Commission (“SEC”).

All forward-looking statements included in this Form 10-Q are based on information available at the time the statement is made. We are under no obligation to (and expressly disclaim any such obligation to) update or alter our forward-looking statements, whether as a result of new information, future events or otherwise except as required by law.

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Overview

PacWest Bancorp is a bank holding company registered under the Bank Holding Company Act of 1956, as amended. Our principal business is to serve as the holding company for our Los Angeles‑based wholly owned banking subsidiary, Pacific Western Bank, which we refer to as “Pacific Western” or the “Bank.” References to “we,” “us,” or the “Company” refer to PacWest Bancorp together with its subsidiaries on a consolidated basis. When we refer to “PacWest” or to the “holding company,” we are referring to PacWest Bancorp, the parent company, on a stand-alone basis. References to “Pacific Western Bank” include the Bank’s wholly owned subsidiaries.

Pacific Western is a full-service commercial bank offering a broad range of banking products and services including accepting demand, money market, and time deposits and originating loans and leases, including an array of commercial real estate loans and commercial lending products.  The Bank serves the financial needs of its customers through 80 full-service branches located primarily in southern California extending from San Diego County to California’s Central Coast. The Bank also operates three bank branches in the San Francisco Bay area and four bank branches in the Central Valley. The Bank competes actively for relationship-based loans and deposits through its branch network, and emphasizes solicitation of noninterest-bearing deposits.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans and leases, cash flow loans, and real estate loans secured by various property types . The collateral for real estate loans includes healthcare properties, office properties, industrial properties, multi-family properties, hospitality properties, and retail properties. Our leasing operation, Pacific Western Equipment Finance, and our group specializing in asset-based lending, CapitalSource Business Finance Group, are part of the CapitalSource Division. Our commercial loan products include equipment loans and leases, asset based loans, loans to finance companies, and loans secured by borrower future cash flows, as well as other business-oriented products. Our loan and lease origination efforts are conducted through key offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah.

In managing the top line of our business, we focus on loan growth, loan yield, deposit cost, and net interest margin. Net interest income, on a year-to-date basis in 2015, accounted for 91.4% of our net revenues (net interest income plus noninterest income).

At September 30, 2015, we had total assets of $16.8 billion, including loans and leases, net of deferred fees, of $12.5 billion compared to $16.2 billion of total assets and $11.9 billion of loans and leases, net of deferred fees, at December 31, 2014. Total assets increased $579.5 million during the nine months endedSeptember 30, 2015 due to $569.8 million in net loan and lease growth, an annualized net growth rate of 14%, and driven by $1.7 billion in loan and lease production.

At September 30, 2015, we had total liabilities of $13.2 billion, including total deposits of $12.1 billion and borrowings of $552.5 million compared to $12.7 billion of total liabilities, including $11.8 billion of total deposits and $383.4 million of borrowings at December 31, 2014. Total liabilities increased $504.0 million during the nine months endedSeptember 30, 2015 due mainly to the $360.6 million increase in deposits and the $169.1 million increase in borrowings. At September 30, 2015, core deposits totaled $6.8 billion or 56% of total deposits and time deposits totaled $4.6 billion or 38% of total deposits.

Square 1 Financial, Inc. Acquisition

On October 6, 2015, PacWest completed the acquisition of Square 1 Financial, Inc. (“Square 1”) in a transaction valued at approximately $815 million. As part of the acquisition, Square 1 Bank, a wholly-owned subsidiary of Square 1, merged with and into PacWest's wholly-owned banking subsidiary, Pacific Western Bank, and the surviving subsidiary bank is Pacific Western Bank. The operations of Square 1 will be conducted under the trade name of Square 1 Bank, a division of Pacific Western Bank, which we refer to as the Square 1 Bank Division. The Square 1 Bank Division will continue its nationwide focus on serving the financial needs of venture-backed companies and venture capital firms, and will continue to offer a full spectrum of deposit, treasury management, and lending products. For further information, see Note 16, Subsequent Events, in the Notes to Condensed Consolidated Financial Statements (Unaudited) contained in "Item 1. Condensed Consolidated Financial Statements (Unaudited)."

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CapitalSource Inc. Merger

On April 7, 2014, we completed the merger with CapitalSource Inc. As part of the merger, CapitalSource Bank (“CSB”), a wholly-owned subsidiary of CapitalSource Inc., merged with and into Pacific Western Bank. We completed the merger in order to increase our loan and lease generation capabilities and to diversify our loan portfolio. As a result, we formed the CapitalSource Division of the Bank which is a group that lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans and leases, and cash flow loans and providing real estate loans secured by various property types. For further information, see Note 3, Acquisitions, in the Notes to Condensed Consolidated Financial Statements (Unaudited) contained in “Item 1. Condensed Consolidated Financial Statements (Unaudited).”

Key Performance Indicators

Among other factors, our operating results depend generally on the following key performance indicators:

The Level of Our Net Interest Income

Net interest income is the excess of interest earned on our interest‑earning assets over the interest paid on our interest‑bearing liabilities. Net interest margin is net interest income expressed as a percentage of average interest‑earning assets. Tax equivalent ("TE") net interest income is net interest income increased by an adjustment for tax-exempt income on certain municipal securities for which we have utilized a 35% federal statutory tax rate. Tax equivalent net interest margin is calculated as tax equivalent net interest income divided by average interest-earning assets. A sustained low interest rate environment combined with low loan growth and high levels of marketplace liquidity may lower both our net interest income and net interest margin going forward.

Our primary interest‑earning assets are loans and investment securities, and our primary interest‑bearing liabilities are deposits. Contributing to our high net interest margin is our high yield on interest-earning assets and competitive cost of deposits. While our deposit balances will fluctuate depending on deposit holders’ perceptions of alternative yields available in the market, we seek to minimize these variances by attracting a high percentage of noninterest‑bearing deposits. As an industrial loan bank, the former CSB funded its balance sheet with a large proportion of higher-cost time deposits and as a result of the CapitalSource Inc. merger, we added $5.3 billion of time deposits. Our goal is to continue replacing these higher-costing time deposits with core deposits through a dedicated deposit transformation initiative that includes sourcing deposits from CapitalSource Division customers. As of September 30, 2015, total deposits obtained from CapitalSource Division borrowers totaled $527.8 million, of which $514.1 million were core deposits. The acquisition of Square 1 will accelerate this process as over 99% of their deposits are core deposits and this acquisition will increase our on-balance sheet liquidity and enable us to maintain adequate liquidity as the higher-cost time deposit balances decline.

Loan and Lease Growth

We actively seek new lending opportunities under an array of commercial real estate loans and commercial and industrial ("C&I") lending products. Our targeted collateral for our real estate loan offerings includes healthcare properties, office properties, industrial properties, multifamily properties, hospitality properties, and retail properties. Our C&I loan products include equipment-secured loans and leases, asset-secured loans, loans to finance companies, and cash flow loans (which are loans secured by borrower future cash flows and borrower enterprise value). Our loan origination process emphasizes credit quality. We foster lender relationships with borrowers that have had proven loan repayment performance. Our commitment sizes vary by loan product and can range up to $80 million for certain asset-based lending arrangements and multi-property real estate loans. We attempt to price loans to preserve our interest spread and maintain our net interest margin. Achieving net loan growth is subject to many factors, including maintaining strict credit standards, competition from other lenders, and successful borrowers that opt to prepay loans.

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The Magnitude of Credit Losses

We emphasize credit quality in originating and monitoring our loans, and we measure our success by the levels of classified and nonperforming assets and net charge‑offs. An allowance for credit losses on loans and leases, which is the sum of our allowance for loan and lease losses and our reserve for unfunded loan commitments, is maintained at a level adequate to cover inherent losses as of the balance sheet date. Provisions for credit losses are charged to operations as and when needed for both on and off‑balance sheet credit exposures. Loans and leases deemed uncollectable are charged off and deducted from the allowance for loan and lease losses. Recoveries on loans and leases previously charged off are added to the allowance for loan and lease losses. The provision for credit losses on the loan and lease portfolio is based on an allowance methodology that considers various credit performance measures such as historical and current net charge‑offs, the levels and trends of nonaccrual and classified loans and leases, the migration of loans and leases into various risk classifications, and the overall level of outstanding loans and leases. For originated and acquired non‑impaired loans, a provision for credit losses may be recorded to reflect credit deterioration after the origination or acquisition date, respectively. For purchased credit impaired ("PCI") loans, a provision for credit losses may be recorded to reflect decreases in expected cash flows on such loans compared to those previously estimated.

We regularly review our loans and leases to determine whether there has been any deterioration in credit quality stemming from borrower operations or changes in collateral value or other factors that may affect collectability of our loans and leases. Changes in economic conditions, such as the rate of economic growth, the rate of inflation, the unemployment rate, increases in the general level of interest rates, declines in real estate values and adverse conditions in borrowers’ businesses, could negatively impact our borrowers and cause us to adversely classify loans and leases. An increase in classified loans and leases generally results in increased provisions for credit losses and an increased allowance for credit losses. Any deterioration in the commercial real estate market may lead to increased provisions for credit losses because of our concentration in commercial real estate loans.

The Level of Our Noninterest Expense

Our noninterest expense includes fixed and controllable overhead, the major components of which are compensation, occupancy, data processing, and other professional services. It also includes costs that tend to vary based on the volume of activity, such as loan and lease production and the number and complexity of foreclosed assets. We measure success in controlling both fixed and variable costs through monitoring of the efficiency ratio. We calculate the efficiency ratio by dividing noninterest expense (less intangible asset amortization, net foreclosed assets expense (income), and acquisition, integration and reorganization costs) by net revenues (the sum of net interest income plus noninterest income, less gain (loss) on sale of securities and gains on asset sales). We also calculate a non‑GAAP measure called the “adjusted efficiency ratio.” The adjusted efficiency ratio is calculated in the same manner as the efficiency ratio except that excluded from net revenues are net FDIC loss sharing expense and accelerated discount accretion resulting from early payoffs of acquired loans. We disclose the adjusted efficiency ratio as it shows the trend in recurring overhead-related noninterest expense relative to recurring net revenues.

The consolidated efficiency ratios and adjusted efficiency ratios have been as follows for the periods indicated:

		Adjusted
	Efficiency	Efficiency
Three Months Ended:	Ratio	Ratio
September 30, 2015	39.6%	40.6%
June 30, 2015	38.0%	40.5%
March 31, 2015	36.9%	39.2%
December 31, 2014	38.4%	39.7%

This non-GAAP financial measure and others are presented for supplemental information purposes only in order to understand the Company's operating results and these non-GAAP financial measures should not be considered a substitute for financial information presented in accordance with United States generally accepted accounting principles ("U.S. GAAP"). See "Non-GAAPMeasurements" for the calculations of the efficiency ratios and adjusted efficiency ratios.

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Adjusted Net Earnings

Our net earnings for the third quarter of 2015 totaled $69.6 million and our adjusted net earnings for this same period in 2014 totaled $65.2 million. Adjusted net earnings is another measure of earnings used as an indicator of earnings generating capability, excluding non-recurring and/or volatile items. We calculate adjusted net earnings by excluding accelerated discount accretion from the early payoff of acquired loans, net FDIC loss sharing expense, gain (loss) on the sale of assets (including loans and leases, securities, and an owned office building), covered OREO expense, and acquisition, integration and reorganization costs. See “-Non‑GAAP Measurements” for a reconciliation of net earnings to adjusted net earnings.

Critical Accounting Policies

The Company’s accounting policies are fundamental to understanding management’s discussion and analysis of results of operations and financial condition. The Company has identified several policies as being critical because they require management to make particularly difficult, subjective and/or complex judgments about matters that are inherently uncertain and because of the likelihood that materially different amounts would be reported under different conditions or using different assumptions. These policies relate to the allowance for credit losses, the fair value estimates of assets acquired and liabilities assumed in acquisitions, the carrying values of intangible assets, and the realization of deferred income tax assets. For further information, refer to our Annual Report on Form 10‑K for the year ended December 31, 2014.

Non-GAAP Measurements

The Company uses certain non‑GAAP financial measures to provide meaningful supplemental information regarding the Company’s operational performance and to enhance investors’ overall understanding of such financial performance. The non-GAAP measures used in this Form 10-Q include the following:

• Adjusted net earnings: To calculate adjusted net earnings, we exclude from net earnings primarily income statement items for which the related assets or liabilities have been completely resolved and are no longer on the balance sheet. As analysts and investors view this measure as an indicator of the Company's ability to generate recurring earnings, we disclose this amount in addition to net earnings.

• Adjusted return on average assets, adjusted return on average equity, return on average tangible equity, adjusted return on average tangible equity, tangible common equity amounts and ratios, and tangible book value per share: Given that the use of these measures is prevalent among banking regulators, investors and analysts, we disclose them in addition to return on average assets, return on average equity, equity-to-assets ratio, and book value per share, respectively.

• Adjusted efficiency ratio: We disclose this measure in addition to the efficiency ratio as it shows the trend in recurring overhead-related noninterest expense relative to recurring net revenues.

• Adjusted allowance for credit losses to loans and leases: As the allowance for credit losses takes into consideration credit deterioration on acquired loans and leases only after the purchase date and an estimate of credit losses is included in their initial fair values, we disclose the adjusted allowance for credit losses to loans and leases in addition to the allowance for credit losses to loans and leases. The adjusted allowance for credit losses to loans and leases excludes acquired loans and leases and the related allowance.

The methodology for determining adjusted net earnings, adjusted return on average assets, adjusted return on average equity, return on average tangible equity, adjusted return on average tangible equity, tangible common equity amounts and ratios, tangible book value per share, adjusted efficiency ratio and adjusted allowance for credit losses to loans and leases may differ among companies.

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The following tables present performance amounts and ratios in accordance with GAAP and a reconciliation of the non‑GAAP financial measurements to the GAAP financial measurements as of and for the periods indicated:

		Three Months Ended									Nine Months Ended
		September 30,			June 30,			September 30,			September 30,
Adjusted Net Earnings and Related Ratios:		2015			2015			2014			2015			2014
		(In thousands)
Net earnings		$	69,616		$	85,083		$	62,271		$	227,778		$	97,906
Less:	Tax benefit on discontinued operations	—			—			(3		)	—			(1,067		)
Add:	Tax expense on continuing operations	39,777			45,287			42,911			131,137			73,744
Pre-tax earnings		109,393			130,370			105,179			358,915			170,583
Add:	Acquisition, integration, and reorganization costs	747			900			5,193			3,647			93,635
Less:	FDIC loss sharing expense, net	(4,449		)	(5,107		)	(7,415		)	(13,955		)	(27,370		)
	Gain (loss) on sale of loans and leases	27			163			973			190			594
	Gain (loss) on sale of securities	655			(186		)	—			3,744			4,841
	Covered OREO (expense) income, net	(20		)	12			(452		)	11			1,348
	Gain on sale of owned office building	—			—			—			—			1,570
Adjusted pre-tax earnings before accelerated discount accretion		113,927			136,388			117,266			372,572			283,235
Less:	Accelerated discount accretion from early payoffs of
	acquired loans	9,659			19,447			4,501			46,458			27,446
Adjusted pre-tax earnings		104,268			116,941			112,765			326,114			255,789
Tax expense (1)		(39,101		)	(43,853		)	(45,895		)	(122,293		)	(104,106		)
Adjusted net earnings		$	65,167		$	73,088		$	66,870		$	203,821		$	151,683
Average assets		$	16,690,177		$	16,463,311		$	15,716,539		$	16,484,817		$	12,456,182
Average stockholders' equity		$	3,572,765		$	3,548,748		$	3,465,119		$	3,551,763		$	2,515,506
Less:	Average intangible assets	1,741,902			1,743,340			1,744,542			1,740,911			1,208,266
Average tangible common equity		$	1,830,863		$	1,805,408		$	1,720,577		$	1,810,852		$	1,307,240
Return on average assets (2)		1.65		%	2.07		%	1.57		%	1.85		%	1.05		%
Return on average equity (3)		7.73		%	9.62		%	7.13		%	8.57		%	5.20		%
Return on average tangible equity (4)		15.09		%	18.90		%	14.36		%	16.82		%	10.01		%
Adjusted return on average assets (5)		1.55		%	1.78		%	1.69		%	1.65		%	1.63		%
Adjusted return on average equity (6)		7.24		%	8.26		%	7.66		%	7.67		%	8.06		%
Adjusted return on average tangible equity (7)		14.12		%	16.24		%	15.42		%	15.05		%	15.51		%

_____________________________________

(1) Full-year expected effective rate of 37.5% for the 2015 periods and actual effective rate of 40.7% for the 2014 periods.

(2) Annualized net earnings divided by average assets.

(3) Annualized net earnings divided by average stockholders' equity.

(4) Annualized net earnings divided by average tangible common equity.

(5) Annualized adjusted net earnings divided by average assets.

(6) Annualized adjusted net earnings divided by average stockholders' equity.

(7) Annualized adjusted net earnings divided by average tangible common equity.

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		Three Months Ended									Nine Months Ended
		September 30,			June 30,			September 30,			September 30,
Adjusted Efficiency Ratio:		2015			2015			2014			2015			2014
		(Dollars in thousands)
Noninterest expense		$	90,139		$	85,276		$	94,923		$	259,775		$	314,287
Less:	Intangible asset amortization	1,497			1,502			1,608			4,500			4,649
	Foreclosed assets expense (income), net	4,521			(2,340		)	4,827			2,517			3,463
	Acquisition, integration, and reorganization costs	747			900			5,193			3,647			93,635
Noninterest expense used for efficiency ratio		$	83,374		$	85,214		$	83,295		$	249,111		$	212,540
Net interest income (TE) (1)		$	195,274		$	204,721		$	190,373		$	600,855		$	472,151
Noninterest income		15,758			19,623			16,314			56,252			29,484
Net revenues		211,032			224,344			206,687			657,107			501,635
Less:	Gain (loss) on sale of securities	655			(186		)	—			3,744			4,841
	Gain on sale of owned office building	—			—			—			—			1,570
Net revenues used for efficiency ratio		210,377			224,530			206,687			653,363			495,224
Less:	Accelerated discount accretion from early
	payoffs of acquired loans	9,659			19,447			4,501			46,458			27,446
	FDIC loss sharing expense, net	(4,449		)	(5,107		)	(7,415		)	(13,955		)	(27,370		)
Adjusted net revenues		$	205,167		$	210,190		$	209,601		$	620,860		$	495,148
Efficiency ratio		39.6		%	38.0		%	40.3		%	38.1		%	42.9		%
Adjusted efficiency ratio(2)		40.6		%	40.5		%	39.7		%	40.1		%	42.9		%

_______________________________________

(1) Includes tax-equivalent adjustments related to tax-exempt income on municipal securities of $2.8 million, $2.2 million, and $1.5 million for the three months ended September 30, 2015, June 30, 2015, and September 30, 2014, respectively, and $6.7 million and $4.8 million for the nine months ended September 30, 2015 and 2014, respectively. The federal statutory tax rate utilized was 35% for the periods.

(2) Noninterest expense used for efficiency ratio divided by adjusted net revenues.

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	September 30,			December 31,
Tangible Common Equity:	2015			2014
	(Dollars in thousands)
PacWest Bancorp Consolidated:
Stockholders’ equity	$	3,581,704		$	3,506,230
Less: Intangible assets	1,741,084			1,737,683
Tangible common equity	$	1,840,620		$	1,768,547
Total assets	$	16,814,105		$	16,234,605
Less: Intangible assets	1,741,084			1,737,683
Tangible assets	$	15,073,021		$	14,496,922
Equity to assets ratio	21.30		%	21.60		%
Tangible common equity ratio(1)	12.21		%	12.20		%
Book value per share	$ 34.76			$ 34.03
Tangible book value per share	$ 17.86			$ 17.17
Shares outstanding	103,053,694			103,022,017
Pacific Western Bank:
Stockholder's equity	$	3,466,817		$	3,378,879
Less: Intangible assets	1,741,084			1,737,683
Tangible common equity	$	1,725,733		$	1,641,196
Total assets	$	16,707,072		$	15,995,719
Less: Intangible assets	1,741,084			1,737,683
Tangible assets	$	14,965,988		$	14,258,036
Equity to assets ratio	20.75		%	21.12		%
Tangible common equity ratio(1)	11.53		%	11.51		%

_______________________________________

(1) Tangible common equity divided by tangible assets.

	September 30,			December 31,
Adjusted Allowance for Credit Losses to Loans and Leases (Excludes PCI Loans):	2015			2014
	(Dollars in thousands)
Adjustment for allowance on acquired loans and leases:
Allowance for credit losses	$	100,690		$	76,767
Less: Allowance related to acquired Non-PCI loans and leases	(12,173		)	(4,184		)
Adjusted allowance for credit losses	$	88,517		$	72,583
Gross Non-PCI loans and leases	$	12,300,057		$	11,613,832
Less: Carrying value of acquired Non‑PCI loans and leases	(5,180,808		)	(6,562,237		)
Adjusted loans and leases	$	7,119,249		$	5,051,595
Allowance for credit losses to loans and leases	0.82		%	0.66		%
Adjusted allowance for credit losses to adjusted loans and leases	1.24		%	1.44		%
Adjustment for unamortized purchase discount on acquired loans and leases:
Allowance for credit losses	$	100,690		$	76,767
Add: Unamortized purchase discount related to acquired Non-PCI loans and leases	88,690			156,428
Adjusted allowance for credit losses	$	189,380		$	233,195
Gross Non-PCI loans and leases	$	12,300,057		$	11,613,832
Add: Unamortized purchase discount related to acquired Non-PCI loans and leases	88,690			156,428
Adjusted loans and leases	$	12,388,747		$	11,770,260
Adjusted allowance for credit losses to adjusted loans and leases	1.53		%	1.98		%

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Results of Operations

Acquisitions Impact Earnings Performance

The comparability of financial information is affected by our acquisitions. We completed the CapitalSource Inc. acquisition on April 7, 2014, adding assets of $9.1 billion. This transaction has been accounted for using the acquisition method of accounting and, accordingly, the related operating results have been included in the consolidated financial statements from the acquisition date.

Earnings Performance

The following table presents profitability metrics for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
Profitability Measures:
Diluted earnings per share	$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Annualized return on:
Average assets	1.65		%	2.07		%	1.57		%	1.85		%	1.05		%
Average tangible equity (1)	15.09		%	18.90		%	14.36		%	16.82		%	10.01		%
Annualized adjusted return on:
Average assets (2)	1.55		%	1.78		%	1.69		%	1.65		%	1.63		%
Average tangible equity (1)(2)	14.12		%	16.24		%	15.42		%	15.05		%	15.51		%
Net interest margin (tax equivalent)	5.46		%	5.89		%	5.82		%	5.76		%	6.05		%
Core net interest margin (tax equivalent) (3)	5.19		%	5.33		%	5.68		%	5.31		%	5.70		%
Efficiency ratio	39.6		%	38.0		%	40.3		%	38.1		%	42.9		%
Adjusted efficiency ratio (2)	40.6		%	40.5		%	39.7		%	40.1		%	42.9		%

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(1) Calculation reduces average equity by average intangible assets.

(2) See "Non-GAAP Measurements" for the calculation of this item.

(3) Excludes accelerated accretion of acquisition discounts resulting from early payoffs of acquired loans.

Third Quarter of 2015 Compared to Second Quarter of 2015

Net earnings were $69.6 million, or $0.68 per diluted share for the third quarter of 2015, compared to $85.1 million, or $0.83 per diluted share, for the second quarter of 2015. The quarter‑over‑quarter decrease of $15.5 million in net earnings was due to lower net interest income of $10.0 million, a $3.8 million decrease in gains and dividends on equity investments and a$6.9 million increase in foreclosed assets expense. The decrease in net interest income was attributable to lower discount accretion on acquired loans and lower FHLB dividends, offset by one more day in the third quarter and lower interest expense. Gains on the sale of equity investments decreased $5.9 million and dividends on equity investments increased $2.2 million in the third quarter. The second quarter of 2015 included the sale of three equity investments at a net gain of $6.0 million compared to one sale at a gain of $0.1 million in the third quarter. The increase in foreclosed assets expense was due mostly to a write-down of $4.6 million on an existing foreclosed property in the third quarter, while the second quarter included gains related to foreclosed asset sales of $2.8 million.

When certain income and expense items are excluded, adjusted net earnings were $65.2 million for the third quarter of 2015 compared to $73.1 million for the prior quarter. See "Non-GAAP Measurements" for the calculation of adjusted net earnings. The $7.9 million decrease in adjusted net earnings was driven mainly by lower equity investment income, higher foreclosed assets expense and a higher provision for credit losses. The lower adjusted net earnings resulted in the adjusted return on average assets decreasing to 1.55% from 1.78% and the adjusted return on average tangible equity decreasing to 14.12% from 16.24%. The adjusted efficiency ratio increased slightly to 40.6% for the third quarter of 2015 compared to 40.5% for the prior quarter.

56

Third Quarter of 2015 Compared to Third Quarter of 2014

Net earnings for the third quarter of 2015 were $69.6 million, or $0.68 per diluted share, compared to net earnings for the third quarter of 2014 of $62.3 million, or $0.60 per diluted share. The $7.3 million increase in net earnings was due to higher net interest income of $3.7 million and lower noninterest expense of $4.8 million. The increase in net interest income was attributable to higher average interest-earning asset balances partially offset by higher interest expense. The decrease in noninterest expense was due primarily to lower acquisition, integration and reorganization costs of $4.4 million. The acquisition, integration and reorganization costs in the third quarter of 2015 related to the Square 1 acquisition while these costs for the third quarter of 2014 related to the CapitalSource Inc. merger.

Nine Months Ended September 30, 2015 Compared to Nine Months Ended September 30, 2014

Net earnings were $227.8 million, or $2.21 per diluted share for the nine months endedSeptember 30, 2015 compared to $97.9 million, or $1.18 per diluted share, for the nine months endedSeptember 30, 2014. The $129.9 million increase in net earnings was due to higher net interest income of $126.8 million, higher noninterest income of $26.8 million, and lower noninterest expense of $54.5 million, offset by higher income tax expense from continuing operations of $57.4 million and a higher provision for credit losses of $22.3 million. The decrease in noninterest expense was due mainly to a reduction in acquisition, integration and reorganization costs of $90.0 million. Excluding this item, all of the changes from period to period were due mostly to including the operations of CapitalSource Inc. for the entire 2015 period compared to only subsequent to its April 7, 2014 acquisition date for the 2014 period.

57

Net Interest Income

Net interest income, which is our principal source of revenue, represents the difference between interest earned on interest‑earning assets and interest paid on interest‑bearing liabilities. Net interest margin is net interest income expressed as a percentage of average interest‑earning assets. Net interest income is affected by changes in both interest rates and the volume of average interest‑earning assets and interest‑bearing liabilities.

The following table presents, for the periods indicated, the distribution of average assets, liabilities and stockholders’ equity, as well as interest income and yields earned on average interest‑earning assets and interest expense and rates paid on average interest‑bearing liabilities presented on a tax equivalent basis:

	Three Months Ended
	September 30, 2015						June 30, 2015						September 30, 2014
			Interest		Yields				Interest		Yields				Interest		Yields
	Average		Income/		and		Average		Income/		and		Average		Income/		and
	Balance		Expense		Rates		Balance		Expense		Rates		Balance		Expense		Rates
	(Dollars in thousands)
ASSETS:
Loans and leases, net of deferred fees (1)	$	12,112,881	$	193,539	6.34	%	$	12,108,016	$	203,781	6.75	%	$	11,285,689	$	189,961	6.68	%
Investment securities (2)	1,806,628		16,709		3.67	%	1,672,590		16,739		4.01	%	1,584,811		13,858		3.47	%
Deposits in financial institutions	278,973		178		0.25	%	161,683		104		0.26	%	99,276		64		0.26	%
Total interest‑earning assets (2)	14,198,482		210,426		5.88	%	13,942,289		220,624		6.35	%	12,969,776		203,883		6.24	%
Other assets	2,491,695						2,521,022						2,746,763
Total assets	$	16,690,177					$	16,463,311					$	15,716,539
LIABILITIES AND STOCKHOLDERS’ EQUITY:
Interest checking deposits	$	787,271	300		0.15	%	$	741,966	202		0.11	%	$	605,288	86		0.06	%
Money market deposits	2,417,280		1,218		0.20	%	2,065,190		1,088		0.21	%	1,733,445		908		0.21	%
Savings deposits	746,362		449		0.24	%	740,878		555		0.30	%	759,177		575		0.30	%
Time deposits	5,042,768		8,433		0.66	%	5,559,903		9,388		0.68	%	5,680,732		7,253		0.51	%
Total interest‑bearing deposits	8,993,681		10,400		0.46	%	9,107,937		11,233		0.49	%	8,778,642		8,822		0.40	%
Borrowings	70,171		72		0.41	%	81,164		88		0.43	%	96,711		74		0.30	%
Subordinated debentures	434,420		4,680		4.27	%	432,656		4,582		4.25	%	434,625		4,614		4.21	%
Total interest‑bearing liabilities	9,498,272		15,152		0.63	%	9,621,757		15,903		0.66	%	9,309,978		13,510		0.58	%
Noninterest‑bearing demand deposits	3,486,780						3,157,129						2,778,260
Other liabilities	132,360						135,677						163,182
Total liabilities	13,117,412						12,914,563						12,251,420
Stockholders’ equity	3,572,765						3,548,748						3,465,119
Total liabilities and stockholders’
equity	$	16,690,177					$	16,463,311					$	15,716,539
Net interest income (tax equivalent) (2)			$	195,274					$	204,721					$	190,373
Net interest rate spread					5.25	%					5.69	%					5.66	%
Net interest margin					5.46	%					5.89	%					5.82	%
Total deposits (3)	$	12,480,461	$	10,400	0.33	%	$	12,265,066	$	11,233	0.37	%	$	11,556,902	$	8,822	0.30	%
Funding sources (4)	$	12,985,052	$	15,152	0.46	%	$	12,778,886	$	15,903	0.50	%	$	12,088,238	$	13,510	0.44	%

_____________________

(1) Includes nonaccrual loans and leases and loan fees.

(2) Includes tax-equivalent adjustments of $2.8 million, $2.2 million, and $1.5 million for the three months ended September 30, 2015, June 30, 2015, and September 30, 2014, respectively, related to tax-exempt income on municipal securities. The federal statutory tax rate utilized was 35% for the periods.

(3) Total deposits is the sum of interest-bearing deposits and noninterest-bearing demand deposits. The cost of total deposits is calculated as annualized interest expense on deposits divided by average total deposits.

(4) Funding sources is the sum of interest-bearing liabilities and noninterest-bearing demand deposits. The cost of funding sources is calculated as annualized total interest expense divided by average funding sources.

58

	Nine Months Ended September 30,
	2015						2014
			Interest		Yields				Interest		Yields
	Average		Income/		and		Average		Income/		and
	Balance		Expense		Rates		Balance		Expense		Rates
	(Dollars in thousands)
ASSETS:
Loans and leases, net of deferred fees (1)	$	12,092,402	$	599,417	6.63	%	$	8,698,351	$	459,625	7.06	%
Investment securities (2)	1,698,254		47,428		3.73	%	1,568,382		39,897		3.40	%
Deposits in financial institutions	158,708		304		0.26	%	164,613		314		0.26	%
Total interest‑earning assets (2)	13,949,364		647,149		6.20	%	10,431,346		499,836		6.41	%
Other assets	2,535,453						2,024,836
Total assets	$	16,484,817					$	12,456,182
LIABILITIES AND STOCKHOLDERS’ EQUITY:
Interest checking deposits	$	752,217	696		0.12	%	$	611,499	241		0.05	%
Money market deposits	2,108,317		3,251		0.21	%	1,626,539		2,400		0.20	%
Savings deposits	747,902		1,575		0.28	%	570,317		1,137		0.27	%
Time deposits	5,359,911		26,590		0.66	%	4,005,299		13,582		0.45	%
Total interest‑bearing deposits	8,968,347		32,112		0.48	%	6,813,654		17,360		0.34	%
Borrowings	190,502		395		0.28	%	51,894		352		0.91	%
Subordinated debentures	433,233		13,787		4.25	%	326,858		9,973		4.08	%
Total interest‑bearing liabilities	9,592,082		46,294		0.65	%	7,192,406		27,685		0.51	%
Noninterest‑bearing demand deposits	3,199,843						2,568,396
Other liabilities	141,129						179,874
Total liabilities	12,933,054						9,940,676
Stockholders’ equity	3,551,763						2,515,506
Total liabilities and stockholders’ equity	$	16,484,817					$	12,456,182
Net interest income (tax equivalent) (2)			$	600,855					$	472,151
Net interest rate spread					5.55	%					5.90	%
Net interest margin					5.76	%					6.05	%
Total deposits (3)	$	12,168,190	$	32,112	0.35	%	$	9,382,050	$	17,360	0.25	%
Funding sources (4)	$	12,791,925	$	46,294	0.48	%	$	9,760,802	$	27,685	0.38	%

_____________________

(1) Includes nonaccrual loans and leases and loan fees.

(2) Includes tax-equivalent adjustments of $6.7 million and $4.8 million for the nine months ended September 30, 2015 and 2014, respectively, related to tax-exempt income on municipal securities. The federal statutory tax rate utilized was 35% for the periods.

(3) Total deposits is the sum of interest-bearing deposits and noninterest-bearing demand deposits. The cost of total deposits is calculated as annualized interest expense on deposits divided by average total deposits.

(4) Funding sources is the sum of interest-bearing liabilities and noninterest-bearing demand deposits. The cost of funding sources is calculated as annualized total interest expense divided by average funding sources.

59

The tax equivalent net interest margin (“NIM”) and loan and lease yields are impacted by accelerated accretion of acquisition discounts resulting from early payoffs of acquired loans, which causes volatility from period to period. The effects of this item on the NIM and loan and lease yield are shown in the following table for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
NIM:
Reported	5.46	%	5.89	%	5.82	%	5.76	%	6.05	%
Less: Accelerated accretion of acquisition discounts
from early payoffs of acquired loans	(0.27	)%	(0.56	)%	(0.14	)%	(0.45	)%	(0.35	)%
Core	5.19	%	5.33	%	5.68	%	5.31	%	5.70	%
Loan and Lease Yield:
Reported	6.34	%	6.75	%	6.68	%	6.63	%	7.06	%
Less: Accelerated accretion of acquisition discounts
from early payoffs of acquired loans	(0.32	)%	(0.64	)%	(0.16	)%	(0.51	)%	(0.42	)%
Core	6.02	%	6.11	%	6.52	%	6.12	%	6.64	%

The following table presents the impact on tax equivalent net interest income and NIM from all purchase accounting items as indicated in the table below for the periods indicated:

	Three Months Ended
	September 30,			June 30,			March 31,			December 31,			September 30,
	2015			2015			2015			2014			2014
	(Dollars in thousands)
Impact on Net Interest Income:
Net interest income (tax equivalent)	$	195,274		$	204,721		$	200,860		$	196,618		$	190,373
Less:
Accelerated accretion of acquisition discounts
from early payoffs of acquired loans	(9,659		)	(19,447		)	(17,352		)	(11,421		)	(4,501		)
Remaining accretion of Non-PCI loan acquisition
discounts	(7,485		)	(8,575		)	(11,128		)	(13,073		)	(15,072		)
Total accretion of loan acquisition discounts	(17,144		)	(28,022		)	(28,480		)	(24,494		)	(19,573		)
Amortization of TruPS discount	1,399			1,400			1,401			1,401			1,402
Accretion of time deposits premium	(576		)	(799		)	(1,285		)	(2,469		)	(5,081		)
Total purchase accounting adjustments	(16,321		)	(27,421		)	(28,364		)	(25,562		)	(23,252		)
Net interest income - excluding purchase accounting	$	178,953		$	177,300		$	172,496		$	171,056		$	167,121
Impact on Net Interest Margin:
Net interest margin (tax equivalent)	5.46		%	5.89		%	5.95		%	5.91		%	5.82		%
Less:
Accelerated accretion of acquisition discounts
from early payoffs of acquired loans	(0.27		)%	(0.56		)%	(0.51		)%	(0.34		)%	(0.14		)%
Remaining accretion of Non-PCI loan acquisition
discounts	(0.21		)%	(0.25		)%	(0.33		)%	(0.39		)%	(0.46		)%
Total accretion of loan acquisition discounts	(0.48		)%	(0.81		)%	(0.84		)%	(0.73		)%	(0.60		)%
Amortization of TruPS discount	0.04		%	0.04		%	0.04		%	0.04		%	0.04		%
Accretion of time deposits premium	(0.02		)%	(0.02		)%	(0.04		)%	(0.07		)%	(0.16		)%
Total purchase accounting adjustments	(0.46		)%	(0.79		)%	(0.84		)%	(0.76		)%	(0.72		)%
Net interest margin - excluding purchase accounting	5.00		%	5.10		%	5.11		%	5.15		%	5.10		%

60

The following table presents the loan and lease yields and related average balances of our Non‑PCI loans and leases, PCI loans, and total loan and lease portfolio for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(Dollars in thousands)
Yields:
Non‑PCI loans and leases	6.19		%	6.61		%	6.41		%	6.47		%	6.63		%
PCI loans	15.42		%	13.87		%	14.74		%	15.05		%	17.07		%
Total loans and leases	6.34		%	6.75		%	6.68		%	6.63		%	7.06		%
Average Balances:
Non‑PCI loans and leases	$	11,919,787		$	11,879,799		$	10,922,640		$	11,865,330		$	8,339,073
PCI loans	193,094			228,217			363,049			227,072			359,278
Total loans and leases	$	12,112,881		$	12,108,016		$	11,285,689		$	12,092,402		$	8,698,351

Third Quarter of 2015 Compared to Second Quarter of 2015

Net interest income decreased $10.1 million to $192.5 million for the third quarter of 2015 compared to $202.6 million for the second quarter of 2015 due to lower discount accretion on acquired loans and lower FHLB dividends, offset by one more day in the third quarter and lower interest expense. The loan and lease yield for the third quarter of 2015 was 6.34% compared to 6.75% for the second quarter of 2015. The decrease in the loan and lease yield was due to lower discount accretion on acquired loans and the lower yield on new originations compared to the current portfolio yield. Discount accretion on acquired loans was $17.1 million in the third quarter of 2015 (57 basis points on the loan and lease yield) compared to $28.0 million in the second quarter of 2015 (92 basis points on the loan and lease yield). The decrease in discount accretion was due primarily to lower accelerated accretion from early payoffs.

The tax equivalent NIM for the third quarter of 2015 was 5.46% compared to 5.89% for the second quarter of 2015. The decrease in the NIM was due to lower discount accretion on acquired loans, lower FHLB dividends and lower-yielding assets representing a higher percentage of average earning assets. Discount accretion on acquired loans contributed 48 basis points to the NIM in the third quarter of 2015 and 81 basis points in the second quarter of 2015. A $1.4 million special dividend received from the FHLB in the second quarter of 2015 contributed four basis points to the second quarter NIM. Tax free interest income represented eight basis points of the tax equivalent NIM for the third quarter of 2015 and six basis points for the second quarter of 2015.

The cost of total deposits decreased to 0.33% from 0.37% in the prior quarter due primarily to a lower level of higher-cost time deposits and the increased balance of noninterest-bearing deposits. The repricing of maturing time deposits at current rates and new time deposit production resulted in the decline in the weighted average contractual interest rate on time deposits to 0.67% at September 30, 2015 from 0.71% at June 30, 2015.

61

Third Quarter of 2015 Compared to Third Quarter of 2014

Net interest income increased by $3.7 million to $192.5 million for the third quarter of 2015 compared to $188.8 million for the third quarter of 2014 due mainly to higher average interest-earning asset balances offset partially by lower yields on interest-earning assets.

The tax equivalent NIM decreased 36 basis points to 5.46% for the third quarter of 2015 compared to 5.82% for the same quarter last year, due mostly to lower yields on new originations compared to the average portfolio yield, the higher-yielding PCI loan portfolio being a smaller percentage of the entire loan portfolio and lower accretion of loan acquisition discounts and time deposit acquisition premiums. The impact on the NIM from accretion of loan and lease acquisition discounts was 48 basis points for the third quarter of 2015 compared to 60 basis points for the third quarter of 2014. Accretion of time deposit acquisition premiums was $0.6 million in the third quarter of 2015 (two basis points on the NIM) compared to $5.1 million in the third quarter of 2014 (16 basis points on the NIM).

The yield on loans and leases decreased 34 basis points to 6.34% for the third quarter of 2015 compared to 6.68% for the same quarter of 2014 due mainly to yields on newly originated loans being lower than the average portfolio yield, the higher-yielding PCI loan portfolio being a smaller percentage of the entire loan portfolio, and lower accretion of loan acquisition discounts.

The cost of all funding sources increased two basis points to 0.46% for the third quarter of 2015 from 0.44% for the third quarter of 2014 due mainly to lower premium accretion on time deposits acquired in the CapitalSource Inc. merger. The total deposit cost increased 3 basis points to 0.33% for the third quarter of 2015 from 0.30% for the same quarter last year. The cost of total interest‑bearing liabilities increased 5 basis points to 0.63% for the third quarter of 2015 from 0.58% for the same quarter last year.

Nine Months Ended September 30, 2015 Compared to Nine Months Ended September 30, 2014

Net interest income increased by $126.8 million to $594.1 million for the nine months endedSeptember 30, 2015, compared to $467.4 million for the nine months endedSeptember 30, 2014 due to the significant increase in interest-earning assets acquired in the CapitalSource Inc. merger on April 7, 2014.

The tax equivalent NIM decreased 29 basis points to 5.76% for the nine months endedSeptember 30, 2015 compared to 6.05% for the same period in 2014, due mostly to lower loan yield and lower accretion of time deposit acquisition premiums. The positive impact on the NIM from accretion of time deposits acquisition premiums was three basis points for the first nine months of 2015 compared to 15 basis points for the same period in 2014. Tax free interest income represented six basis points of the tax equivalent NIM for the nine months ended September 30, 2014 and six basis points for the same period in 2014.

The yield on loans and leases decreased 43 basis points to 6.63% for the nine months endedSeptember 30, 2015 compared to 7.06% for the same period in 2014 due mainly to yields on newly originated loans being lower than the average portfolio yield, the higher-yielding PCI loan portfolio representing a smaller percentage of the entire loan portfolio, and the PCI loan yield being lower in the current period.

The cost of all funding sources increased 10 basis points to 0.48% for the nine months ended September 30, 2015 from 0.38% for the same period last year due mainly to the $5.3 billion of higher-cost time deposits acquired in the CapitalSource Inc. merger contributing to the funding cost for the entire 9-month period in 2015 compared to contributing for only six months in the 2014 period. The total deposit cost increased 10 basis points to 0.35% for the first nine months of 2015 from 0.25% for the same period last year. The cost of total interest‑bearing liabilities increased 14 basis points to 0.65% for the nine months ended September 30, 2015 from 0.51% for the same period last year.

62

Provision for Credit Losses

The following table sets forth the details of the provision for credit losses and allowance for credit losses data for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(Dollars in thousands)
Provision For Credit Losses:
Addition to allowance for Non‑PCI loans and leases	$	10,500		$	4,000		$	3,684		$	31,104		$	9,415
Addition to (reduction in) reserve for unfunded loan
commitments	500			1,000			(931		)	2,063			(1,662		)
Total provision for Non‑PCI loans and leases	11,000			5,000			2,753			33,167			7,753
(Negative provision) provision for PCI Loans	(2,254		)	1,529			2,297			(1,458		)	1,683
Total provision for credit losses	$	8,746		$	6,529		$	5,050		$	31,709		$	9,436
Non‑PCI Credit Quality Metrics:
Net charge‑offs (recoveries) on Non‑PCI loans and leases	$	3,231		$	(1,367	)	$	6,123		$	9,244		$	6,572
Annualized net charge‑offs (recoveries) to average
Non-PCI loans and leases	0.11		%	(0.05		)%	0.22		%	0.10		%	0.11		%
At period end:
Allowance for loan and lease losses	$	92,316		$	85,047		$	63,084
Allowance for credit losses	100,690			92,921			68,997
Non‑PCI nonaccrual loans and leases	107,190			131,178			88,948
Non‑PCI classified loans and leases	328,038			379,988			260,986
Allowance for credit losses to Non‑PCI loans and leases	0.82		%	0.78		%	0.61		%
Allowance for credit losses to Non‑PCI nonaccrual
loans and leases	93.9		%	70.8		%	77.6		%

Provisions for credit losses are charged to earnings for both on and off‑balance sheet credit exposures. We have a provision for credit losses on our Non‑PCI loans and leases and a provision for credit losses on our PCI loans. The provision for credit losses on our Non‑PCI loans and leases is based on our allowance methodology and is an expense, or contra‑expense, that, in our judgment, is required to maintain an adequate allowance for credit losses. Our allowance methodology uses our actual historical loan and lease charge-off experience on pools of similar loans and leases, considers the current credit risk ratings, giving greater weight to loans with more adverse credit risk ratings, and considers subjective criteria such as current economic trends and forecasts, current commercial real estate values and performance trends, and the loan portfolio credit performance trends. The provision for credit losses on our PCI loans results from decreases or increases in expected cash flows on such loans compared to those previously estimated.

We recorded a provision for credit losses of $8.7 million in the third quarter of 2015 and $6.5 million in the second quarter of 2015 in accordance with our allowance methodology, which takes into consideration new loan and lease fundings, commitments to make loans and leases and underlying credit quality trends. For the Non-PCI portfolio, the $11.0 million provision, offset by net charge-offs of $3.2 million, resulted in a $7.8 million increase to the allowance for credit losses in the third quarter of 2015.

Certain circumstances may lead to increased provisions for credit losses in the future. Examples of such circumstances are net loan and lease and unfunded commitment growth, an increased amount of loan and lease charge-offs, changes in economic conditions, such as the rate of economic growth, the rate of inflation, the unemployment rate, increases in the general level of interest rates, declines in real estate values and adverse conditions in borrowers’ businesses. See further discussion in “Balance Sheet Analysis - Allowance for Credit Losses on Non‑PCI Loans” and “Balance Sheet Analysis - Allowance for Credit Losses on PCI Loans” contained herein.

63

Noninterest Income

The following table summarizes noninterest income by category for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
Noninterest Income:
Service charges on deposit accounts	$	2,601		$	2,612		$	2,725		$	7,787		$	8,446
Other commissions and fees	6,376			7,123			6,371			18,895			14,046
Leased equipment income	5,475			5,375			5,615			16,232			11,287
Gain on sale of loans and leases	27			163			973			190			594
Gain (loss) on sale of securities	655			(186		)	—			3,744			4,841
FDIC loss sharing expense, net	(4,449		)	(5,107		)	(7,415		)	(13,955		)	(27,370		)
Other income:
Dividends and realized gains on equity investments	4,357			8,169			3,625			16,003			4,283
Foreign currency translation net (losses) gains	(373		)	(1,377		)	2,253			847			2,504
Income recognized on early repayment of leases	12			1,648			510			2,396			4,976
Gain on sale of owned office building	—			—			—			—			1,570
Other	1,077			1,203			1,657			4,113			4,307
Total noninterest income	$	15,758		$	19,623		$	16,314		$	56,252		$	29,484

The following table presents the details of FDIC loss sharing expense, net for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
FDIC Loss Sharing Expense, Net:
Loss on FDIC loss sharing asset(1)	$	(846	)	$	(725	)	$	(1,735	)	$	(1,849	)	$	(4,932	)
FDIC loss sharing asset amortization, net	(3,484		)	(4,286		)	(6,074		)	(11,785		)	(21,256		)
Net reimbursement (to) from FDIC for covered
OREOs(2)	(11		)	7			491			(7		)	(908		)
Other	(108		)	(103		)	(97		)	(314		)	(274		)
Total FDIC loss sharing expense, net	$	(4,449	)	$	(5,107	)	$	(7,415	)	$	(13,955	)	$	(27,370	)

_______________________

(1) Includes increases related to covered loan loss provisions and decreases for: (a) write‑offs for covered loans expected to be resolved at amounts higher than their carrying values, and (b) amounts to be reimbursed to the FDIC for covered loans resolved at amounts higher than their carrying values.

(2) Represents amounts to be reimbursed to the FDIC for gains on covered other real estate owned ("OREO") sales and due from the FDIC for covered OREO write‑downs.

64

Third Quarter of 2015 Compared to Second Quarter of 2015

Noninterest income decreased by $3.8 million to $15.8 million for the third quarter of 2015 compared to $19.6 million for the second quarter of 2015 due mostly to lower dividends and realized gains on equity investments and lower fee income recognized as a result of loan and lease prepayments, offset by lower foreign currency translation net losses and higher net gains on sale of securities. Realized gains and dividends on equity investments tend to fluctuate from period to period based upon sales activity and actual dividends received. Dividends increased $2.2 million while realized gains on sales of equity investments decreased $5.9 million in the third quarter compared to the prior quarter. The second quarter of 2015 included the sale of three equity investments at a net gain of $6.0 million compared to one sale in the third quarter at a gain of $0.1 million. Foreign currency translation net losses decreased $1.0 million from the prior quarter as a result of movement of the U.S. Dollar against various foreign currencies, principally the Euro. In June 2015, PacWest hedged its Euro-denominated subordinated debenture with a cross currency swap to reduce the related foreign currency translation volatility. The gain on sale of securities was $0.7 million for the third quarter of 2015 compared to a net loss of $0.2 million for the second quarter; all sales related to ongoing portfolio risk management activities.

Third Quarter of 2015 Compared to Third Quarter of 2014

Noninterest income decreased by $0.6 million to $15.8 million for the third quarter of 2015 compared to $16.3 million for the third quarter of 2014. The decrease was due mostly to lower foreign currency translation net gains of $2.6 million and lower gain on sale of loans of $0.9 million offset by lower FDIC loss sharing expense of $3.0 million. As a result of the cross currency swap entered into in June 2015, the impact of foreign currency translation net gains was reduced in the 2015 third quarter as compared to the 2014 period. The decrease in FDIC loss sharing expense resulted from a $2.6 million reduction in the amortization expense of the FDIC loss sharing asset, as one of the Bank's loss sharing agreements reached the end of its initial indemnification period during the third quarter of 2014.

Nine Months Ended September 30, 2015 Compared to Nine Months Ended September 30, 2014

Noninterest income increased by $26.8 million to $56.3 million for the nine months endedSeptember 30, 2015, compared to $29.5 million for the nine months endedSeptember 30, 2014. The increase was due mostly to income streams gained in the CapitalSource Inc. merger, including higher dividends and realized gains on equity investments of $11.7 million, lower FDIC loss sharing expense of $13.4 million, higher leased equipment income of $4.9 million and higher other commissions and fees of $4.8 million, offset by lower gains on the sale of securities of $1.1 million. The 2015 period included the sale of four equity investments at a net gain of $6.1 million and dividends received of $9.9 million; the 2014 period included a net gain of $1.2 million on the sale of eleven equity investments and dividends received of $3.1 million. The decrease in FDIC loss sharing expense resulted from a $9.5 million decline in the amortization expense of the FDIC loss sharing asset, as one of the Bank's loss sharing agreements reached the end of its initial indemnification period during the third quarter of 2014; a $3.1 million decrease in the loss on the FDIC loss sharing asset; and a $0.9 million decrease in net reimbursement expense to the FDIC for covered OREO's. The increase in other commissions and fees was due to higher loan-related unused commitment fees and prepayment fees.

65

Noninterest Expense

The following table summarizes noninterest expense by category for the periods indicated:

	Three Months Ended							Nine Months Ended
	September 30,		June 30,			September 30,		September 30,
	2015		2015			2014		2015		2014
	(In thousands)
Noninterest Expense:
Compensation	$	48,152	$	49,033		$	45,861	$	144,922	$	119,569
Occupancy	10,762		10,588			11,188		31,950		29,861
Data processing	4,322		4,402			3,929		13,032		10,568
Other professional services	3,396		3,332			3,687		9,949		8,053
Insurance and assessments	3,805		4,716			3,020		11,546		7,792
Intangible asset amortization	1,497		1,502			1,608		4,500		4,649
Leased equipment depreciation	3,162		3,103			2,961		9,368		6,056
Foreclosed assets expense (income), net	4,521		(2,340		)	4,827		2,517		3,463
Acquisition, integration and reorganization costs	747		900			5,193		3,647		93,635
Other expense:
Loan expense	1,494		1,486			3,711		3,319		7,929
Other	8,281		8,554			8,938		25,025		22,712
Total noninterest expense	$	90,139	$	85,276		$	94,923	$	259,775	$	314,287

The following table presents the components of foreclosed assets expense (income), net for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
Foreclosed Assets Expense (Income):
Provision for losses	$	4,757		$	282		$	4,698		$	5,163		$	5,066
Operating (income) expense	(152		)	(2,642		)	177			(2,688		)	1,151
(Gain) loss on sale	(84		)	20			(48		)	42			(2,754		)
Total foreclosed assets expense (income), net	$	4,521		$	(2,340	)	$	4,827		$	2,517		$	3,463

Third Quarter of 2015 Compared to Second Quarter of 2015

Noninterest expense increased by $4.8 million to $90.1 million for the third quarter of 2015 compared to $85.3 million for the second quarter of 2015. The increase was due mostly to higher foreclosed assets expense of $6.9 million, offset by lower insurance and assessments expense of $0.9 million and lower compensation expense of $0.9 million. The increase in foreclosed assets expense was due mostly to a write-down of $4.6 million on an existing foreclosed property in the third quarter, while the second quarter included gains related to foreclosed asset sales of $2.8 million. Insurance and assessments expense decreased due to lower FDIC insurance assessment expense. The reduction in compensation expense was due principally to lower stock-based compensation expense.

Third Quarter of 2015 Compared to Third Quarter of 2014

Noninterest expense decreased by $4.8 million to $90.1 million for the third quarter of 2015 compared to $94.9 million for the third quarter of 2014. The decrease in noninterest expense was due mainly to lower acquisition, integration and reorganization costs of $4.4 million. The acquisition, integration and reorganization costs for the third quarter of 2015 related to the Square 1 acquisition, and the costs for the third quarter of 2014 related to the CapitalSource Inc. merger.

66

Nine Months Ended September 30, 2015 Compared to Nine Months Ended September 30, 2014

Noninterest expense decreased by $54.5 million to $259.8 million for the nine months endedSeptember 30, 2015 compared to $314.3 million for the nine months endedSeptember 30, 2014. The decrease in noninterest expense was due mainly to lower acquisition, integration and reorganization costs of $90.0 million. Excluding this item, all of the changes from period to period were due mostly to including the operations of CapitalSource Inc. for the entire 2015 period and only subsequent to its April 7, 2014 acquisition date for the 2014 period. The acquisition, integration and reorganization costs for the nine months ended September 30, 2015 related to the Square 1 acquisition, and the costs for the same period last year related to the CapitalSource Inc. merger.

Income Taxes

The effective tax rate for the third quarter of 2015 was 36.4% compared to 34.7% for the second quarter of 2015 and 40.8% for the third quarter of 2014. The lower effective rate in the second quarter of 2015 is related to utilization of a portion of the capital loss carryforward and adjustments to certain deferred tax assets. The Company's blended statutory tax rate for federal and state is 41%. The effective tax rate for calendar year 2015 is expected to be 37.5%.

67

Business Segments

The Company’s reportable segments consist of “Community Banking,” “National Lending,” and “Other.” The Community Banking and National Lending segments include all of the operations of Pacific Western Bank. The Other segment consists of holding company and non-bank subsidiary operations, and intercompany eliminations.

As a result of the CapitalSource Inc. merger, the Bank formed the CapitalSource Division and reorganized our legacy asset based lending and leasing operations to be a part of this division. The National Lending Segment includes the lending operations gained through the CapitalSource Inc. merger, Pacific Western Equipment Finance, and the CapitalSource Business Finance Group.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans, cash flow loans, and real estate loans secured by various property types. The CapitalSource Division’s loan and lease origination efforts are conducted through offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; Phoenix, Arizona; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah.

The Community Banking segment includes the operations of Pacific Western Bank, excluding the CapitalSource Division, and includes lending and deposit gathering activities conducted primarily through its California-based branch offices and the Bank’s treasury management function and corporate overhead.

The Other segment consists of holding company operations that result in expenses principally for compensation, facilities, professional services, interest on subordinated debentures, and the non-bank subsidiary operations including interest income from a loan portfolio and related loan servicing expense.

For further information, see Note 14, Business Segments, in the Notes to Condensed Consolidated Financial Statements (Unaudited) contained in "Item 1. Condensed Consolidated Financial Statements (Unaudited)."

The following tables present information regarding our business segments as of and for the periods indicated:

	September 30, 2015
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,141,576		$	9,302,580		$	8,049		$	12,452,205
Allowance for loan and lease losses	(39,522		)	(63,749		)	—			(103,271		)
Total loans and leases, net	$	3,102,054		$	9,238,831		$	8,049		$	12,348,934
Goodwill	$	333,979		$	1,394,401		$	—		$	1,728,380
Core deposit and customer relationship intangibles, net	12,143			561			—			12,704
Total assets	6,288,790			10,418,282			107,033			16,814,105
Total deposits(1)	12,484,050			36,586			(404,873		)	12,115,763

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

	September 30, 2014
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,482,125		$	8,064,868		$	27,892		$	11,574,885
Allowance for loan and lease losses	(56,712		)	(25,187		)	—			(81,899		)
Total loans and leases, net	$	3,425,413		$	8,039,681		$	27,892		$	11,492,986
Goodwill	$	327,728		$	1,394,401		$	—		$	1,722,129
Core deposit and customer relationship intangibles, net	17,814			1,009			—			18,823
Total assets	6,492,674			9,182,617			262,859			15,938,150
Total deposits(1)	11,826,681			—			(303,244		)	11,523,437

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

68

	Three Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	58,368		$	148,264		$	1,040		$	207,672
Interest expense	(10,430		)	(42		)	(4,680		)	(15,152		)
Intersegment interest income (expense)	6,629			(6,629		)	—			—
Net interest income (expense)	54,567			141,593			(3,640		)	192,520
Negative provision (provision) for credit losses	1,309			(10,145		)	90			(8,746		)
Gain on sale of securities	655			—			—			655
FDIC loss sharing expense, net	(4,449		)	—			—			(4,449		)
Other noninterest income	7,956			7,478			4,118			19,552
Total noninterest income	4,162			7,478			4,118			15,758
Foreclosed assets (expense) income, net	(4,787		)	39			227			(4,521		)
Intangible asset amortization	(1,385		)	(112		)	—			(1,497		)
Acquisition, integration and reorganization costs	(747		)	—			—			(747		)
Other noninterest expense	(56,318		)	(23,763		)	(3,293		)	(83,374		)
Total noninterest expense	(63,237		)	(23,836		)	(3,066		)	(90,139		)
Intersegment noninterest income (expense)	28,280			(28,280		)	—			—
Total noninterest expense - adjusted	(34,957		)	(52,116		)	(3,066		)	(90,139		)
Earnings (loss) before taxes	25,081			86,810			(2,498		)	109,393
Income tax (expense) benefit	(9,584		)	(33,172		)	2,979			(39,777		)
Net earnings	$	15,497		$	53,638		$	481		$	69,616

	Three Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	67,132		$	134,624		$	600		$	202,356
Interest expense	(8,851		)	(45		)	(4,614		)	(13,510		)
Intersegment interest income (expense)	5,250			(5,250		)	—			—
Net interest income (expense)	63,531			129,329			(4,014		)	188,846
Negative provision (provision) for credit losses	6,314			(11,364		)	—			(5,050		)
FDIC loss sharing expense, net	(7,415		)	—			—			(7,415		)
Other noninterest income	7,566			9,953			6,210			23,729
Total noninterest income	151			9,953			6,210			16,314
Foreclosed assets (expense) income, net	(4,627		)	(322		)	122			(4,827		)
Intangible asset amortization	(1,517		)	(91		)	—			(1,608		)
Acquisition, integration and reorganization costs	(3,953		)	(1,240		)	—			(5,193		)
Other noninterest expense	(53,078		)	(24,835		)	(5,382		)	(83,295		)
Total noninterest expense	(63,175		)	(26,488		)	(5,260		)	(94,923		)
Intersegment noninterest income (expense)	26,411			(26,411		)	—			—
Total noninterest expense - adjusted	(36,764		)	(52,899		)	(5,260		)	(94,923		)
Earnings (loss) from continuing operations before taxes	33,232			75,019			(3,064		)	105,187
Income tax (expense) benefit	(14,576		)	(30,113		)	1,778			(42,911		)
Net earnings (loss) from continuing operations	18,656			44,906			(1,286		)	62,276
Loss from discontinued operations before taxes	(8		)	—			—			(8		)
Income tax benefit	3			—			—			3
Net loss from discontinued operations	(5		)	—			—			(5		)
Net earnings (loss)	$	18,651		$	44,906		$	(1,286	)	$	62,271

69

	Nine Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	184,716		$	454,299		$	1,426		$	640,441
Interest expense	(32,364		)	(143		)	(13,787		)	(46,294		)
Intersegment interest income (expense)	20,490			(20,490		)	—			—
Net interest income (expense)	172,842			433,666			(12,361		)	594,147
Negative provision (provision) for credit losses	10,107			(41,814		)	(2		)	(31,709		)
Gain on sale of securities	3,744			—			—			3,744
FDIC loss sharing expense, net	(13,955		)	—			—			(13,955		)
Other noninterest income	21,766			27,085			17,612			66,463
Total noninterest income (expense)	11,555			27,085			17,612			56,252
Foreclosed assets (expense) income, net	(5,182		)	(44		)	2,709			(2,517		)
Intangible asset amortization	(4,164		)	(336		)	—			(4,500		)
Acquisition, integration and reorganization costs	(3,443		)	—			(204		)	(3,647		)
Other noninterest expense	(169,827		)	(70,764		)	(8,520		)	(249,111		)
Total noninterest expense	(182,616		)	(71,144		)	(6,015		)	(259,775		)
Intersegment noninterest income (expense)	83,700			(83,700		)	—			—
Total noninterest expense - adjusted	(98,916		)	(154,844		)	(6,015		)	(259,775		)
Earnings (loss) before taxes	95,588			264,093			(766		)	358,915
Income tax (expense) benefit	(36,941		)	(102,020		)	7,824			(131,137		)
Net earnings	$	58,647		$	162,073		$	7,058		$	227,778

	Nine Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	214,704		$	278,131		$	2,244		$	495,079
Interest expense	(17,528		)	(184		)	(9,973		)	(27,685		)
Intersegment interest income (expense)	9,543			(9,543		)	—			—
Net interest income (expense)	206,719			268,404			(7,729		)	467,394
Negative provision (provision) for credit losses	11,558			(20,994		)	—			(9,436		)
Gain on sale of securities	4,841			—			—			4,841
FDIC loss sharing expense, net	(27,370		)	—			—			(27,370		)
Other noninterest income	18,144			26,885			6,984			52,013
Total noninterest income	(4,385		)	26,885			6,984			29,484
Foreclosed assets (expense) income, net	(3,399		)	(284		)	220			(3,463		)
Intangible asset amortization	(4,238		)	(411		)	—			(4,649		)
Acquisition, integration and reorganization costs	(83,866		)	(8,714		)	(1,055		)	(93,635		)
Other noninterest expense	(144,164		)	(55,892		)	(12,484		)	(212,540		)
Total noninterest expense	(235,667		)	(65,301		)	(13,319		)	(314,287		)
Intersegment noninterest income (expense)	49,944			(49,944		)	—			—
Total noninterest expense - adjusted	(185,723		)	(115,245		)	(13,319		)	(314,287		)
Earnings (loss) from continuing operations before taxes	28,169			159,050			(14,064		)	173,155
Income tax (expense) benefit	(16,240		)	(63,703		)	6,199			(73,744		)
Net earnings (loss) from continuing operations	11,929			95,347			(7,865		)	99,411
Loss from discontinued operations before taxes	(2,572		)	—			—			(2,572		)
Income tax benefit	1,067			—			—			1,067
Net loss from discontinued operations	(1,505		)	—			—			(1,505		)
Net earnings (loss)	$	10,424		$	95,347		$	(7,865	)	$	97,906

70

Third Quarter of 2015 Compared to Third Quarter of 2014

Net earnings for the Community Banking segment decreased $3.2 million for the third quarter of 2015 to $15.5 million, compared to $18.7 million in the third quarter of 2014. Net earnings before taxes decreased $8.2 million as a result of lower net interest income of $9.0 million and a lower negative credit loss provision of $5.0 million offset by higher noninterest income of $4.0 million and lower noninterest expense-adjusted of $1.8 million. Net interest income decreased compared to the prior year period due to lower average loan and lease balances and a lower loan and lease yield. The increase in noninterest income is due to lower FDIC loss sharing expense of $3.0 million during the third quarter of 2015 when compared to the third quarter of 2014. The decrease in noninterest expense-adjusted is due mostly to lower acquisition, integration and reorganization costs of $3.2 million.

Net earnings for the National Lending segment increased $8.7 million for the third quarter of 2015 to $53.6 million, compared to $44.9 million for the third quarter of 2014. The increase in net earnings is a result of increased interest-earning assets and the related increase in pre-tax net interest income of $12.3 million. Loans increased $1.2 billion to $9.3 billion as of September 30, 2015 from $8.1 billion as of September 30, 2014.

Nine Months Ended September 30, 2015 Compared to Nine Months Ended September 30, 2014

Net earnings for the Community Banking segment increased $48.2 million for the nine months endedSeptember 30, 2015 to $58.6 million compared to $10.4 million for the nine months endedSeptember 30, 2014. Net earnings before taxes increased $70.0 million primarily as a result of lower noninterest expense-adjusted of $86.8 million and higher noninterest income of $15.9 million offset by lower net interest income of $33.9 million. The decrease in noninterest expense-adjusted is due mostly to lower acquisition, integration and reorganization costs of $80.4 million. The increase in noninterest income is due to lower FDIC loss sharing expense of $13.4 million. Net interest income decreased compared to the prior year period due to lower average loan and lease balances and a lower loan and lease yield combined with higher interest expense on deposits due to lower accretion of the premium on acquired time deposits in the 2015 period.

Net earnings for the National Lending segment increased $66.8 million for the nine months ended September 30, 2015 to $162.1 million compared to net earnings of $95.3 million for the nine months ended September 30, 2014. The increase in earnings is a result of the CapitalSource Inc. interest-earning assets and operations being included for nine months in the 2015 period compared to six months in the 2014 period. The loan and lease balance increased approximately $8.0 billion from 2014 to 2015.

71

Balance Sheet Analysis

Investment Portfolio

The following table presents the components, yields, and durations of our securities available-for-sale as of the date indicated:

	September 30, 2015
	Amortized		Fair			Duration
Security Type:	Cost		Value		Yield(1)(2)	(in years)
	(Dollars in thousands)
Residential mortgage-backed securities:
Government agency and government-sponsored enterprise pass through securities	$	391,904	$	407,598	2.81%	3.8
Government agency and government-sponsored enterprise collateralized mortgage obligations	206,380		211,419		2.46%	4.4
Private label collateralized mortgage obligations	32,172		38,288		9.39%	2.4
Municipal securities	844,782		858,837		4.39%	6.1
Corporate debt securities	47,380		47,396		7.61%	5.5
Collateralized loan obligations	133,159		132,317		2.56%	0.3
SBA loan pool securities	51,153		51,548		2.59%	5.0
Government-sponsored enterprise debt securities	36,284		37,524		2.20%	4.8
Other securities	24,972		24,437		0.89%	4.6
Total securities available-for-sale	$	1,768,186	$	1,809,364	3.72%	4.8

______________________________________

(1) Represents the yield for the month of September 30, 2015.

(2) Tax-equivalent basis.

The following table shows the geographic composition of the majority of our municipal securities portfolio as of the date indicated:

	September 30, 2015
	Carrying		% of
Municipal Securities by State:	Value		Total
	(Dollars in thousands)
Washington	$	94,147	11	%
Texas	92,945		11	%
California	84,377		10	%
Ohio	72,363		8	%
New York	51,511		6	%
Illinois	40,044		5	%
Massachusetts	32,663		4	%
Indiana	27,794		3	%
Colorado	27,411		3	%
Oregon	27,058		3	%
Total of 10 largest states	550,313		64	%
All other states	308,524		36	%
Total municipal securities	$	858,837	100	%

72

Loans and Leases

The following table presents our total loans and leases, net of deferred fees, by portfolio segment and class as of the dates indicated:

	September 30, 2015				June 30, 2015				December 31, 2014
			% of				% of				% of
	Amount		Total		Amount		Total		Amount		Total
	(Dollars in thousands)
Real estate mortgage:
Hospitality	$	635,160	5	%	$	619,510	5	%	$	570,634	5	%
SBA	402,382		3	%	401,832		3	%	380,890		3	%
Commercial real estate	2,334,497		19	%	2,414,464		20	%	2,583,965		21	%
Healthcare real estate	1,140,450		9	%	1,127,111		10	%	1,051,491		9	%
Multi-family	992,325		8	%	883,083		7	%	789,271		7	%
Other	184,977		2	%	193,821		2	%	220,751		2	%
Total real estate mortgage	5,689,791		46	%	5,639,821		47	%	5,597,002		47	%
Real estate construction and land:
Residential	145,262		1	%	119,825		1	%	96,749		1	%
Commercial	229,904		2	%	213,091		2	%	217,297		2	%
Total real estate construction and land	375,166		3	%	332,916		3	%	314,046		3	%
Total real estate loans	6,064,957		49	%	5,972,737		50	%	5,911,048		50	%
Commercial:
Collateralized	359,214		3	%	371,954		3	%	439,567		4	%
Unsecured	126,726		1	%	120,415		1	%	131,939		1	%
Asset-based	2,022,492		16	%	1,840,514		15	%	1,794,907		15	%
Cash flow	2,805,817		23	%	2,691,743		22	%	2,486,411		21	%
Equipment finance	894,777		7	%	904,488		8	%	969,489		8	%
SBA	48,107		—	%	45,769		—	%	47,304		—	%
Total commercial	6,257,133		50	%	5,974,883		49	%	5,869,617		49	%
Consumer	130,115		1	%	86,569		1	%	101,767		1	%
Total loans and leases, net of deferred fees(1)	$	12,452,205	100	%	$	12,034,189	100	%	$	11,882,432	100	%

_______________________________________

(1) Includes PCI loans of $193.3 million, $222.6 million and $290.8 million at September 30, 2015, June 30, 2015 and December 31, 2014, of which the majority are included in the Real Estate Mortgage - "Other" category in this table.

Our real estate portfolio exposes us to risk elements associated with mortgage loans on commercial property. Commercial real estate mortgage loan repayments typically do not rely on the sale of the underlying collateral, but instead rely on the income producing potential of the collateral as the source of repayment. Ultimately, though, due to the loan amortization period generally being greater than the contractual loan term, the borrower may be required to refinance the loan, either with us or another lender, or pay off the loan, by selling the underlying collateral. Our commercial-related real estate loans do not expose us to risks generally associated with residential mortgage loans such as option ARM, interest-only, or subprime mortgage loans.

Credit Exposure Affected by Low Oil Prices

At September 30, 2015, we had 27 outstanding loan and lease relationships totaling $152.3 million to borrowers and lessees primarily involved in the oil and gas industry as compared to $177.2 million at June 30, 2015. The obligors under these loans and leases either conduct oil and gas extraction or provide industrial support services to such types of businesses. The collateral for these loans and leases primarily includes equipment, such as drilling and mining equipment and transportation vehicles, used directly and indirectly in these activities. At September 30, 2015, four relationships totaling $47.9 million were on nonaccrual status and were classified, down from $64.2 million at June 30, 2015.

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The following table presents loan and lease relationships having exposure to the oil and gas industries as of the dates indicated:

	September 30, 2015			June 30, 2015
	Amount		Obligors	Amount		Obligors
	(Dollars in thousands)
Loans	$	83,025	7	$	87,005	8
Leases	69,247		20	90,189		21
Total oil & gas support services	$	152,272	27	$	177,194	29
Nonaccrual	$	47,853	4	$	64,232	4
Classified	$	47,853	4	$	64,232	4

The following table presents the composition of our total real estate mortgage loan portfolio as of the dates indicated:

	September 30, 2015				June 30, 2015				December 31, 2014
			% of				% of				% of
Loan Category:	Amount		Total		Amount		Total		Amount		Total
	(Dollars in thousands)
Commercial real estate mortgage:
Industrial/warehouse	$	446,601	8	%	$	382,074	7	%	$	480,437	9	%
Retail	475,587		8	%	507,900		9	%	469,340		8	%
Office buildings	762,418		14	%	813,377		14	%	776,718		14	%
Owner-occupied	663,627		12	%	688,074		12	%	601,729		11	%
Hotel	603,345		11	%	616,439		11	%	572,855		10	%
Healthcare	1,133,285		20	%	1,081,025		19	%	1,030,852		19	%
Mixed use	183,068		3	%	167,446		3	%	129,135		2	%
Gas station	10,980		—	%	11,059		—	%	11,428		—	%
Self storage	31,553		1	%	46,117		1	%	60,262		1	%
Restaurant	9,279		—	%	9,360		—	%	17,145		—	%
Land acquisition/development	6,592		—	%	33,827		1	%	28,910		1	%
Unimproved land	7,417		—	%	7,445		—	%	7,483		—	%
Other	216,725		4	%	222,125		4	%	224,875		4	%
Total commercial real estate mortgage	4,550,477		81	%	4,586,268		81	%	4,411,169		79	%
Residential real estate mortgage:
Multi-family	759,267		13	%	689,854		13	%	774,710		14	%
Single family owner-occupied	132,438		2	%	138,880		2	%	161,652		3	%
Single family nonowner-occupied	182,356		3	%	157,372		3	%	173,964		3	%
Mixed use	10,999		—	%	11,157		—	%	11,537		—	%
HELOCs	54,254		1	%	56,290		1	%	63,970		1	%
Total residential real estate mortgage	1,139,314		19	%	1,053,553		19	%	1,185,833		21	%
Total gross real estate mortgage loans	$	5,689,791	100	%	$	5,639,821	100	%	$	5,597,002	100	%

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The following table presents a roll forward of the loan and lease portfolio by business division for the period indicated:

	Three Months Ended September 30, 2015
	Community			National
Loan and Lease Roll Forward by Business Division(1):	Banking			Lending			Total
	(Dollars in thousands)
Beginning balance	$	3,101,834		$	8,932,355		$	12,034,189
New production	267,560			803,426			1,070,986
Existing loans and leases:
Principal repayments, net(2)	(226,451		)	(403,841		)	(630,292		)
Loan and lease sales	—			(6,864		)	(6,864		)
Transfers to foreclosed assets	(378		)	(10,005		)	(10,383		)
Charge-offs	(989		)	(4,442		)	(5,431		)
Ending balance	$	3,141,576		$	9,310,629		$	12,452,205
Weighted average yields on new production for the three months ended:
September 30, 2015	4.33		%	5.47		%	5.16		%
June 30, 2015	5.17		%	6.00		%	5.89		%
March 31, 2015	5.28		%	5.84		%	5.76		%
December 31, 2014	5.09		%	5.76		%	5.67		%

_______________________________________

(1) Includes direct financing leases but excludes equipment leased to others under operating leases.

(2) Includes principal repayments on existing loans, changes in revolving lines of credit (repayments and draws), loan participation sales and other changes within the loan portfolio.

The Company identified an $82 million group of multi-family loans during the third quarter and re-underwrote and acquired them in anticipation of launching a multi-family loan origination group later this year that will initially focus on Los Angeles, Orange County and Bay Area metropolitan markets. We expect this initiative will reduce overall portfolio credit risk, especially in an adverse economic environment.

The Company's portfolio of student loans has repaid rapidly. In order to replace such runoff and to further diversify the loan and lease portfolio by product and geography, we purchased a $50 million pool of student loans in the third quarter. These multi-family and student loans, which are included under "Community Banking" in the above table, reduced the third quarter total new production yield by 23 basis points to 5.16%.

Allowance for Credit Losses on Non-PCI Loans and Leases

The allowance for credit losses on non-purchased credit impaired ("Non-PCI") loans and leases is the combination of the allowance for loan and lease losses and the reserve for unfunded loan commitments. The allowance for loan and lease losses is reported as a reduction of outstanding loan and lease balances and the reserve for unfunded loan commitments is included within "Accrued interest payable and other liabilities" on the condensed consolidated balance sheets. The following discussion is for Non-PCI loans and leases and the allowance for credit losses thereon. Refer to "Balance Sheet Analysis - Allowance for Credit Losses on PCI Loans" for the policy on PCI loans. For loans and leases acquired and measured at fair value and deemed non-impaired on the acquisition date, our allowance methodology measures deterioration in credit quality or other inherent risks related to these acquired assets that may occur after the acquisition date.

The allowance for loan and lease losses is maintained at a level deemed appropriate by management to adequately provide for known and inherent risks in the loan and lease portfolio and other extensions of credit at the balance sheet date. The allowance is based upon our continual review of the credit quality of the loan and lease portfolio, which includes loan and lease payment trends, borrowers' compliance with loan agreements, borrowers' current and budgeted financial performance, collateral valuation trends, and current economic factors and external conditions that may affect our borrowers' ability to pay. Loans and leases that are deemed to be uncollectable are charged off and deducted from the allowance. The provision for loan and lease losses and recoveries on loans and leases previously charged off are added to the allowance.

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The allowance for loan and lease losses contains a general reserve component for loans and leases with no credit impairment and a specific reserve component for loans and leases determined to be impaired.

A loan or lease is considered impaired when it is probable that we will be unable to collect all amounts due according to the original contractual terms of the agreement. We assess our loans for impairment on an ongoing basis using certain criteria such as payment performance, borrower reported financial results and budgets, and other external factors when appropriate. We measure impairment of a loan based upon the fair value of the loan’s collateral if the loan is collateral-dependent or the present value of cash flows, discounted at the loan’s effective interest rate, if the loan is not collateral-dependent. We measure impairment of a lease based upon the present value of the scheduled lease and residual cash flows, discounted at the lease's effective interest rate. To the extent a loan or lease balance exceeds the estimated collectable value, a specific reserve or charge-off is recorded depending upon the certainty of the estimate of loss. Smaller balance loans (under $250,000), with a few exceptions for certain loan types, are generally not individually assessed for impairment but are evaluated collectively.

The methodology we use to estimate the general reserve component of our allowance for credit losses considers both quantitative and qualitative criteria. The quantitative criteria uses our actual historical loan and lease charge-off experience on pools of similar loans and leases to establish loss factors that are applied to our current loan and lease balances to estimate inherent credit losses. When estimating the general reserve component for the various pools of similar loan types, the loss factors applied to the loan pools consider the current credit risk ratings, giving greater weight to loans with more adverse credit risk ratings. We recognize that the determination of the allowance for loan and lease losses is sensitive to the assigned credit risk ratings and inherent loss rates at any given point in time. To ensure the accuracy of our credit risk ratings, an independent credit review function assesses the ratings assigned to loans on an ongoing basis.

The qualitative criteria considered when establishing the loss factors include the following:

• current economic trends and forecasts;

• current commercial real estate values, performance trends, and overall outlook in the markets where we lend;

• legal and regulatory matters that could impact our borrowers’ ability to repay our loans and leases;

• our loan and lease portfolio composition and any loan concentrations;

• our current lending policies and the effects of any new policies or policy amendments;

• our new loan and lease origination volume and the nature of it;

• our loan and lease portfolio credit performance trends; and

• the results of our ongoing independent credit review.

The reserve for unfunded commitments is estimated using the same loss factors as used for the allowance for loan and lease losses and is computed based only on the expected usage of the unfunded commitments.

The credit risk ratings assigned to every loan and lease are either “pass,” “special mention,” “substandard” or “doubtful” and defined as follows:

• Pass: Loans and leases classified as "pass" are not adversely classified and collection and repayment in full are expected.

• Special Mention: Loans and leases classified as "special mention" have a potential weakness that requires management's attention. If not addressed, these potential weaknesses may result in further deterioration in the borrower's ability to repay the loan or lease.

• Substandard: Loans and leases classified as "substandard" have a well-defined weakness or weaknesses that jeopardize the collection of the debt. They are characterized by the possibility that we will sustain some loss if the weaknesses are not corrected.

• Doubtful: Loans and leases classified as "doubtful" have all the weaknesses of those classified as "substandard," with the additional trait that the weaknesses make collection or repayment in full highly questionable and improbable.

In addition, we may refer to the loans and leases with assigned credit risk ratings of "substandard" and "doubtful" together as "classified" loans and leases. For further information on classified loans and leases, see Note 6, Loans and Leases, of the Notes to Condensed Consolidated Financial Statements (Unaudited) contained in "Item 1. Condensed Consolidated Financial Statements (Unaudited)."

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Management believes that the allowance for credit losses is appropriate for the known and inherent risks in our Non-PCI loan and lease portfolio and that the credit risk ratings and inherent loss rates currently assigned are appropriate. It is possible that others, given the same information, may at any point in time reach different conclusions that could result in a significant impact to the Company's financial statements. In addition, current credit risk ratings are subject to change as we continue to monitor our loans and leases. To the extent we experience, for example, increased levels of documentation deficiencies, adverse changes in collateral values, or negative changes in economic and business conditions that adversely affect our borrowers, our classified loans and leases may increase. Higher levels of classified loans and leases generally result in increased provisions for credit losses and an increased allowance for credit losses. Although we have established an allowance for credit losses that we consider appropriate, there can be no assurance that the established allowance will be sufficient to absorb related losses in the future.

The following table presents information regarding the allowance for credit losses on Non-PCI loans and leases as of the dates indicated:

	September 30,			June 30,			December 31,			September 30,
Non-PCI Allowance for Credit Losses Data:	2015			2015			2014			2014
	(Dollars in thousands)
Allowance for loan and lease losses	$	92,316		$	85,047		$	70,456		$	63,084
Reserve for unfunded loan commitments	8,374			7,874			6,311			5,913
Total allowance for credit losses	$	100,690		$	92,921		$	76,767		$	68,997
Allowance for credit losses to loans and leases	0.82		%	0.78		%	0.66		%	0.61		%
Allowance for credit losses to nonaccrual loans and leases	93.9		%	70.8		%	91.8		%	77.6		%

All acquired loans are recorded initially at their estimated fair value with such initial fair value including an estimate of credit losses. Two additional credit coverage ratios shown in the table below are presented to give an indication of overall credit risk coverage:

	September 30, 2015								June 30, 2015
	Non-PCI								Non-PCI
	Loans and			Allowance/			Coverage		Loans and			Allowance/			Coverage
Non-PCI Credit Risk Coverage Ratios:	Leases			Discount			Ratio		Leases			Discount			Ratio
	(Dollars in thousands)
Ending balance	$	12,300,057		$	100,690		0.82	%	$	11,846,314		$	92,921		0.78	%
Acquired loans	(5,180,808		)	(12,173		)			(5,587,662		)	(12,697		)
Adjusted balance	$	7,119,249		$	88,517		1.24	%	$	6,258,652		$	80,224		1.28	%
Ending balance	$	12,300,057		$	100,690		0.82	%	$	11,846,314		$	92,921		0.78	%
Unamortized purchase discount	88,690			88,690					103,302			103,302
Adjusted balance	$	12,388,747		$	189,380		1.53	%	$	11,949,616		$	196,223		1.64	%

The first additional credit coverage ratio calculation makes adjustments for acquired loans and leases and the related allowance. Our Non‑PCI loans and leases at September 30, 2015, included $5.2 billion in loans and leases acquired in acquisitions. These acquired loans and leases were initially recorded at their estimated fair values and such initial fair values included an estimate of credit losses. The allowance calculation for Non‑PCI loans and leases takes into consideration those acquired loans and leases whose credit quality has deteriorated since their acquisition dates. At September 30, 2015, our allowance for credit losses included $12.2 million related to these acquired loans and leases. When these acquired loans and leases are excluded from the total of Non‑PCI loans and leases and the related allowance is excluded from the allowance for credit losses, the result is an adjusted coverage ratio of our allowance for credit losses to Non‑PCI loans and leases of 1.24% at September 30, 2015; at June 30, 2015, this ratio was 1.28%.

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The second additional credit coverage ratio calculation makes an adjustment for the unamortized purchase discount on acquired loans and leases. Our acquired Non-PCI loans and leases included an unamortized purchase discount of $88.7 million at September 30, 2015, which is assigned specifically to those loans and leases only. Such discount represents the acquisition date fair value adjustment based on market, liquidity, interest rate and credit risk. When the unamortized purchase discount is added back separately to both our Non-PCI loans and leases and allowance for credit losses, the result is an adjusted coverage ratio of our allowance for credit losses to Non-PCI loans and leases of 1.53% at September 30, 2015; at June 30, 2015, this ratio was 1.64%.

The unamortized purchase discount is being accreted to interest income over the remaining life of the respective loans and leases using the interest method. Use of the interest method results in steadily declining amounts being taken into income in each reporting period. The remaining discount of $88.7 million at September 30, 2015 is expected to be substantially accreted to income by the end of 2018.

The following table presents the changes in our allowance for credit losses on Non-PCI loans and leases for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
Non-PCI Allowance for Credit Losses:	2015			2015			2014			2015			2014
	(Dollars in thousands)
Allowance for credit losses, beginning of period	$	92,921		$	86,554		$	72,367		$	76,767		$	67,816
Provision for credit losses:
Addition to allowance for loan and lease losses	10,500			4,000			3,684			31,104			9,415
Addition to (reduction in) reserve for unfunded
loan commitments	500			1,000			(931		)	2,063			(1,662		)
Provision for credit losses	11,000			5,000			2,753			33,167			7,753
Loans and leases charged off:
Real estate mortgage	(252		)	(62		)	(395		)	(1,767		)	(976		)
Commercial	(4,035		)	(534		)	(7,282		)	(12,964		)	(9,049		)
Consumer	(25		)	(27		)	(171		)	(115		)	(203		)
Total loans and leases charged off	(4,312		)	(623		)	(7,848		)	(14,846		)	(10,228		)
Recoveries on loans charged off:
Real estate mortgage	288			200			1,312			1,783			1,949
Real estate construction and land	390			12			24			1,034			112
Commercial	239			1,744			337			2,393			1,301
Consumer	164			34			52			392			294
Total recoveries on loans charged off	1,081			1,990			1,725			5,602			3,656
Net (charge-offs) recoveries	(3,231		)	1,367			(6,123		)	(9,244		)	(6,572		)
Allowance for credit losses, end of period	$	100,690		$	92,921		$	68,997		$	100,690		$	68,997
Annualized net charge-offs (recoveries) to
average loans and leases	0.11		%	(0.05		)%	0.22		%	0.10		%	0.11		%

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Allowance for Credit Losses on PCI Loans

The PCI loans are subject to our internal and external credit review. For PCI loans, the allowance for loan losses is measured at the end of each financial reporting period based on expected cash flows. Decreases or (increases) in the amount and changes in the timing of expected cash flows on the PCI loans as of the financial reporting date compared to those previously estimated are usually recognized by recording a provision or a (negative provision) for credit losses on such loans. If deterioration in the expected cash flows results in a reserve requirement, a provision for credit losses is charged to earnings.

The following table presents the changes in our allowance for credit losses on PCI loans for the periods indicated:

	Three Months Ended								Nine Months Ended
	September 30,			June 30,		September 30,			September 30,
PCI Allowance for Credit Losses:	2015			2015		2014			2015			2014
	(In thousands)
Allowance for credit losses on PCI loans,
beginning of period	$	14,328		$	12,698	$	16,626		$	13,999		$	21,793
(Negative provision) provision	(2,254		)	1,529		2,297			(1,458		)	1,683
Net (charge-offs) recoveries	(1,119		)	101		(108		)	(1,586		)	(4,661		)
Allowance for credit losses on PCI loans, end of period	$	10,955		$	14,328	$	18,815		$	10,955		$	18,815

Nonperforming Assets and Performing Restructured Loans

The following table presents nonperforming assets and performing restructured loans information as of the dates indicated:

	September 30,			June 30,			December 31,			September 30,
	2015			2015			2014			2014
	(Dollars in thousands)
Nonaccrual Non-PCI loans and leases	$	107,190		$	131,178		$	83,621		$	88,948
Nonaccrual PCI loans(1)	4,823			6,016			25,264			27,670
Total nonaccrual loans	112,013			137,194			108,885			116,618
Foreclosed assets, net	33,216			31,668			43,721			40,524
Total nonperforming assets	$	145,229		$	168,862		$	152,606		$	157,142
Performing restructured loans(2)	$	39,956		$	38,203		$	35,244		$	34,308
Nonaccrual loans and leases to loans and leases	0.90		%	1.14		%	0.91		%	1.01		%
Nonperforming assets to loans and leases and foreclosed assets, net	1.16		%	1.40		%	1.28		%	1.35		%

_______________________________________

(1) Represents legacy CapitalSource Inc. borrowing relationships placed on nonaccrual status as of the acquisition date.

(2) Excludes PCI loans.

Nonperforming assets include Non-PCI and PCI nonaccrual loans and leases and foreclosed assets and totaled $145.2 million at September 30, 2015 compared to $168.9 million at June 30, 2015. The $23.6 million decrease in nonperforming assets was due to a $25.2 million decline in nonaccrual loans and leases offset by a $1.5 million increase in foreclosed assets. The ratio of nonperforming assets to loans and leases and foreclosed assets decreased to 1.16% at September 30, 2015 from 1.40% at June 30, 2015.

Nonaccrual Loans and Leases

The $25.2 million decrease in nonaccrual loans and leases during the third quarter of 2015 was attributable to $15.6 million in principal payments and other reductions, a $10.0 million transfer to foreclosed assets, and $6.0 million returned to accrual status, offset by $6.4 million in additions.

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The following table presents our Non-PCI nonaccrual loans and leases and accruing loans and leases past due between 30 and 89 days by portfolio segment and class as of the dates indicated:

	Nonaccrual Loans and Leases								Accruing and
	September 30, 2015				June 30, 2015				30 - 89 Days Past Due
			% of				% of		September 30,		June 30,
			Loan				Loan		2015		2015
	Amount		Category		Amount		Category		Amount		Amount
	(Dollars in thousands)
Real estate mortgage:
Hospitality	$	1,845	—	%	$	7,894	1	%	$	779	$	—
SBA	11,682		3	%	10,141		3	%	233		2,272
Other	18,294		—	%	16,213		—	%	2,090		2,482
Total real estate mortgage	31,821		1	%	34,248		1	%	3,102		4,754
Real estate construction and land:
Residential	374		—	%	377		—	%	—		—
Commercial	—		—	%	—		—	%	—		—
Total real estate construction and land	374		—	%	377		—	%	—		—
Commercial:
Collateralized	2,771		1	%	3,761		1	%	82		131
Unsecured	923		1	%	537		—	%	11		—
Asset-based	90		—	%	40		—	%	—		—
Cash flow	11,761		—	%	14,605		1	%	—		—
Equipment finance (1)	53,153		6	%	71,130		8	%	—		915
SBA	2,918		6	%	3,068		7	%	—		—
Total commercial	71,616		1	%	93,141		2	%	93		1,046
Consumer	3,379		3	%	3,412		4	%	88		1
Total Non-PCI loans and leases	$	107,190	1	%	$	131,178	1	%	$	3,283	$	5,801

_______________________________________

(1) Includes nonaccrual loans and leases to companies involved in the oil and gas industries of $47.9 million and $64.2 million at September 30, 2015 and June 30, 2015.

As of September 30, 2015, the Company's ten largest Non-PCI loan relationships on nonaccrual status had an aggregate carrying value of $78.7 million and represented 73% of total Non-PCI nonaccrual loans and leases. The largest of these relationships had an aggregate carrying value of $40.5 million and is secured by a fleet of vessels used to service shallow water oil platforms in the Gulf of Mexico. Although the borrower's business has been adversely affected by low oil prices, it is still operating and, as of September 30, 2015, in compliance with the terms of a restructured loan agreement. A recent independent appraisal of the associated collateral indicated the liquidation value was in excess of the carrying value.

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Foreclosed Assets

The following table presents the components of foreclosed assets (primarily other real estate owned, or OREO) as of the dates indicated:

	September 30,		June 30,		December 31,		September 30,
Property Type:	2015		2015		2014		2014
	(In thousands)
Commercial real estate	$	3,558	$	3,704	$	2,449	$	2,559
Construction and land development	14,343		18,942		24,759		27,731
Multi-family	3,481		4,551		4,823		835
Single family residence	1,663		2,260		3,392		13
Total OREO, net	23,045		29,457		35,423		31,138
Other foreclosed assets	10,171		2,211		8,298		9,386
Total foreclosed assets	$	33,216	$	31,668	$	43,721	$	40,524

Foreclosed assets increased $1.5 million during the third quarter of 2015 mainly as a result of additions of $10.4 million offset by sales proceeds received of $4.1 million and write-downs on existing foreclosed properties of $4.8 million.

Performing Restructured Loans

Non-PCI performing restructured loans increased by $1.8 million during the third quarter of 2015 to $40.0 million at September 30, 2015. The increase was attributable primarily to $6.1 million transfered from nonaccrual status and $2.1 million in additions, offset partially by $3.2 million transfered to nonaccrual status and $3.2 million in payoffs and other reductions. At September 30, 2015, we had $27.3 million in real estate mortgage loans, $7.7 million in real estate construction and land loans, $4.8 million in commercial loans, and $0.2 million in consumer loans that were accruing interest under the terms of troubled debt restructurings.

The majority of the performing restructured loans was on accrual status prior to the loan modifications and have remained on accrual status after the loan modifications due to the borrowers making payments before and after the restructurings. In these circumstances, generally, a borrower may have had a fixed-rate loan that they continued to repay, but may be having cash flow difficulties. In an effort to work with certain borrowers, we have agreed to interest rate reductions and/or interest-only payments for a period of time. In these cases, we do not forgive principal but may consider the extension of maturity date as part of the loan modification in order to assist the borrower. As a result of the current economic environment, we anticipate loan restructurings to continue.

PCI Delinquent and Nonaccrual Loans

Loans accounted for as PCI are generally considered accruing and performing loans as the loans accrete their discount to interest income over the estimated life of the loan when cash flows are reasonably estimable. Accordingly, PCI loans that are contractually past due are still considered to be accruing and performing loans. If the timing and amount of future cash flows is not reasonably estimable, the loans are classified as nonaccrual loans and interest income is not recognized until the timing and amount of future cash flows can be reasonably estimated. As of September 30, 2015, there were $4.8 million of PCI loans on nonaccrual status and included in the delinquency table below.

The following table presents a summary of the borrowers' underlying payment status of PCI loans as of the dates indicated:

	September 30,		June 30,		December 31,		September 30,
	2015		2015		2014		2014
	(In thousands)
Current	$	182,576	$	204,288	$	268,263	$	309,129
30 to 89 days past due	1,789		4,672		2,700		3,685
90 days or more past due	8,924		13,678		19,828		38,565
Total	$	193,289	$	222,638	$	290,791	$	351,379

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Deposits

The following table presents the balance of each major category of deposits at the dates indicated:

	September 30, 2015				June 30, 2015				December 31, 2014
			% of				% of				% of
Deposit Category:	Amount		Total		Amount		Total		Amount		Total
	(Dollars in thousands)
Noninterest-bearing deposits	$	3,508,682	29	%	$	3,396,688	26	%	$	2,931,352	25	%
Interest checking deposits	693,632		6		722,231		6		732,196		6
Money market deposits	1,860,983		15		1,722,633		14		1,709,068		15
Savings deposits	751,955		6		743,054		6		762,961		6
Total core deposits	6,815,252		56		6,584,606		52		6,135,577		52
Brokered non-maturity deposits	713,215		6		651,925		5		120,613		1
Total non-maturity deposits	7,528,467		62		7,236,531		57		6,256,190		53
Time deposits under $100,000	1,951,938		16		2,328,109		19		2,467,338		21
Time deposits $100,000 and over	2,635,358		22		3,017,176		24		3,031,600		26
Total time deposits	4,587,296		38		5,345,285		43		5,498,938		47
Total deposits	$	12,115,763	100	%	$	12,581,816	100	%	$	11,755,128	100	%

Total deposits decreased $466.1 million during the third quarter to $12.1 billion at September 30, 2015, due mainly to a decrease in time deposits of $758.0 million offset partially by an increase in core deposits of $230.6 million. The decrease in time deposits was planned as liquidity was being managed in anticipation of the Square 1 acquisition closing. At September 30, 2015, core deposits totaled $6.8 billion, or 56% of total deposits, including $3.5 billion of noninterest-bearing demand deposits, or 29% of total deposits. Deposits obtained from CapitalSource Division borrowers totaled $527.8 million at September 30, 2015, of which $514.1 million were core deposits. The remaining unamortized purchase accounting premium on acquired CapitalSource Inc. time deposits as of September 30, 2015 was $1.2 million, of which $0.4 million will be recognized as a reduction of interest expense during the fourth quarter of 2015.

The following table summarizes the maturities of time deposits, together with their weighted average contractual rate and estimated effective rate, as of the date indicated:

	September 30, 2015
	Time		Time
	Deposits		Deposits		Total			Estimated
	Under		$100,000		Time		Contractual	Effective
Maturity:	$100,000		or More		Deposits		Rate	Rate
	(Dollars in thousands)
Due in three months or less	$	456,408	$	394,312	$	850,720	0.54%	0.49%
Due in over three months through six months	572,782		757,604		1,330,386		0.63%	0.61%
Due in over six months through twelve months	745,563		1,258,958		2,004,521		0.74%	0.72%
Due in over 12 months through 24 months	136,844		195,105		331,949		0.72%	0.64%
Due in over 24 months	40,341		29,379		69,720		1.03%	0.81%
Total	$	1,951,938	$	2,635,358	$	4,587,296	0.67%	0.65%
At June 30, 2015	$	2,328,109	$	3,017,176	$	5,345,285	0.71%	0.69%

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Regulatory Matters

Capital

Bank regulatory agencies measure capital adequacy through standardized risk-based capital guidelines that compare different levels of capital (as defined by such guidelines) to risk-weighted assets and off-balance sheet obligations. At September 30, 2015, Banks and bank holding companies considered to be “well capitalized” must maintain a minimum Tier 1 leverage ratio of 5.00%, a minimum common equity Tier 1 risk-based capital ratio of 6.50%, a minimum Tier 1 risk-based capital ratio of 8.00%, and a minimum total risk-based capital ratio of 10.00%. Regulatory capital requirements limit the amount of deferred tax assets that may be included when determining the amount of regulatory capital. Deferred tax asset amounts in excess of the calculated limit are disallowed from regulatory capital. At September 30, 2015, such disallowed amounts were $37.0 million for the Company and none were disallowed for the Bank. No assurance can be given that the regulatory capital deferred tax asset limitation will not increase in the future or that the Company or Bank will not have increased deferred tax assets that are disallowed.

New comprehensive regulatory capital rules for U.S. banking organizations pursuant to the capital framework of the Basel Committee on Banking Supervision, generally referred to as “Basel III”, became effective for the Company and the Bank on January 1, 2015, subject to phase-in periods for certain of their components and other provisions. The most significant of the provisions of the New Capital Rules which applied to the Company and the Bank were as follows: the phase-out of trust preferred securities from Tier 1 capital, the higher risk-weighting of high volatility and past due real estate loans and the capital treatment of deferred tax assets and liabilities above certain thresholds.

The following table presents our regulatory capital ratios and the regulatory capital requirements under Basel III:

	September 30, 2015
	Pacific		PacWest		Well
	Western		Bancorp		Capitalized
	Bank		Consolidated		Requirement
Tier 1 Leverage	11.56	%	12.04	%	5.00	%
Common Equity Tier-1 Capital	12.25		12.74		6.50
Tier 1 Capital	12.25		12.74		8.00
Total Capital	13.05		16.32		10.00

Subordinated Debentures

The Company issued subordinated debentures to trusts that were established by us or entities we have acquired, which, in turn, issued trust preferred securities. The amount of subordinated debentures totaled $435.4 million at September 30, 2015. At September 30, 2015, $32.8 million of the trust preferred securities was included in the Company's Tier I capital and $391.0 million was included in Tier II capital.

Dividends on Common Stock and Interest on Subordinated Debentures

Bank holding companies, such as PacWest, are required to notify the Board of Governors of the Federal Reserve System (“FRB”) prior to declaring and paying a dividend to stockholders during any period in which quarterly and/or cumulative twelve-month net earnings are insufficient to fund the dividend amount, among other requirements. Interest payments made by the Company on subordinated debentures are considered dividend payments under FRB regulations.

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Liquidity

Liquidity Management

The goals of our liquidity management are to ensure the ability of the Company to meet its financial commitments when contractually due and to respond to other demands for funds such as the ability to meet the cash flow requirements of customers who may be either depositors wanting to withdraw funds or borrowers who may need assurance that sufficient funds will be available to meet their credit needs. We have an Executive Management ALM Committee, or "Executive ALM Committee," which is comprised of members of senior management and is responsible for managing balance sheet and off-balance sheet commitments to meet the needs of customers while achieving our financial objectives. Our Executive ALM Committee meets regularly to review funding capacities, current and forecasted loan demand, and investment opportunities.

The Company manages its liquidity by maintaining pools of liquid assets on-balance sheet, consisting of cash and due from banks, interest-earning deposits in other financial institutions and unpledged investment securities available-for-sale, which we refer to as our primary liquidity. In addition, we also maintain available borrowing capacity under secured borrowing lines with the FHLB and the Federal Reserve Bank of San Francisco (“FRBSF”), which we refer to as our secondary liquidity. In addition to its secured lines of credit, the Bank also maintains unsecured lines of credit, subject to availability, of $80.0 million with correspondent banks and $99.0 million with the FHLB, both for the purchase of overnight funds.

The following table provides a summary of the Bank’s primary and secondary liquidity levels at the dates indicated:

	September 30,			June 30,			December 31,
	2015			2015			2014
	(In thousands)
Primary Liquidity - On-Balance Sheet:
Cash and due from banks	$	154,652		$	207,598		$	164,757
Interest-earning deposits at financial institutions	81,642			433,033			148,469
Investment securities available-for-sale	1,809,364			1,698,158			1,567,177
Less: pledged securities	(366,181		)	(364,300		)	(308,555		)
Total primary liquidity	$	1,679,477		$	1,974,489		$	1,571,848
Ratio of primary liquidity to total deposits	13.9		%	15.7		%	13.4		%
	September 30,			June 30,			December 31,
	2015			2015			2014
	(In thousands)
Secondary Liquidity - Off-Balance Sheet
Available Secured Borrowing Capacity:
Total secured borrowing capacity with the FHLB	$	2,363,841		$	2,484,956		$	2,391,157
Less: secured advances outstanding	(550,000		)	—			(380,000		)
Net secured borrowing capacity with the FHLB	1,813,841			2,484,956			2,011,157
Secured borrowing capacity with the FRBSF	1,980,643			1,973,725			1,305,650
Total secondary liquidity	$	3,794,484		$	4,458,681		$	3,316,807

During the three months ended September 30, 2015, the Bank’s primary liquidity decreased $295.0 million due to a $351.4 million decrease in interest-earning deposits in financial institutions, a $52.9 million decrease in cash and due from banks, and a $1.9 million increase in pledged investment securities available-for-sale, offset by a $111.2 million increase in investment securities available-for-sale. The Bank’s secondary liquidity decreased $664.2 million during the third quarter due mainly to a $550.0 million increase in FHLB secured advances outstanding and a $121.1 million decrease in the borrowing capacity on the secured credit line with the FHLB. The decrease in liquidity during the third quarter was planned in anticipation of the liquidity to be acquired at the close of the Square 1 acquisition.

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At September 30, 2015, certain qualifying loans totaling $2.6 billion were specifically pledged as collateral for the secured borrowing line maintained with the FRBSF. The FHLB borrowing lines are secured by a blanket lien on certain qualifying loans that are not pledged to the FRBSF.

In addition to our primary liquidity, we generate liquidity from cash flows from our amortizing loan and securities portfolios and from our large base of core customer deposits, defined as noninterest-bearing demand, interest checking, savings and money market accounts. At September 30, 2015, such deposits totaled $6.8 billion and represented 56% of the Bank's total deposits. These core deposits are normally less volatile, often with customer relationships tied to other products offered by the Company promoting long-standing relationships and stable funding sources.

Deposits from our customers may decrease if interest rates increase significantly or if corporate customers move funds from the Bank generally. In order to address the Bank’s liquidity risk as deposit balances may fluctuate, the Bank maintains adequate levels of available liquidity.

The following table provides a summary of the Bank’s core deposits at the dates indicated:

	September 30,		June 30,		December 31,
	2015		2015		2014
	(In thousands)
Core Deposits:
Noninterest-bearing demand	$	3,508,682	$	3,396,688	$	2,931,352
Interest checking	693,632		722,231		732,196
Money market deposits	1,860,983		1,722,633		1,709,068
Savings deposits	751,955		743,054		762,961
Total core deposits	$	6,815,252	$	6,584,606	$	6,135,577

Our liquidity policy establishes various liquidity guidelines for the Bank. The policy includes guidelines for On-Balance Sheet Liquidity (a measurement of primary liquidity to total deposits plus borrowings), Coverage and Crisis Coverage Ratios (measurements of liquid assets to expected short-term liquidity required for the loan and deposit portfolios under normal and stressed conditions), Loan to Funding Ratio (measurement of gross loans net of fees divided by deposits plus FHLB borrowings), Wholesale Funding Ratio (measurement of wholesale funding divided by interest-earning assets), and other guidelines developed for measuring and maintaining liquidity. As of September 30, 2015, we were in compliance with all liquidity guidelines established in the liquidity policy.

We use brokered deposits, the availability of which is uncertain and subject to competitive market forces, for liquidity management purposes. At September 30, 2015, brokered deposits totaled $1.2 billion, consisting of $423.3 million of brokered time deposits, $713.2 million of non-maturity brokered sweep accounts, $37.8 million of CDARS Program deposits, and $16.2 million of other miscellaneous brokered deposits. At December 31, 2014, brokered deposits totaled $776.5 million, consisting of $592.7 million of brokered time deposits, $120.6 million of non-maturity brokered sweep accounts, $44.0 million of CDARS Program deposits, and $19.1 million of other miscellaneous brokered deposits, The CDARS Program represents deposits that are participated with other FDIC‑insured financial institutions as a means to provide FDIC deposit insurance coverage for the full amount of our customers’ deposits. The amount of our brokered deposits has increased in recent quarters because of favorable market conditions for brokered deposits compared to retail time deposits we obtain from the Bank's branch network and the large amount of deposits that can be obtained in a short period of time to manage liquidity and funding needs.

Holding Company Liquidity

The primary sources of liquidity for the holding company include dividends from the Bank and our ability to raise capital, issue subordinated debt and secure outside borrowings. Our ability to obtain funds for the payment of dividends to our stockholders and for other cash requirements is largely dependent upon the Bank’s earnings. The Bank is subject to restrictions under certain federal and state laws and regulations that limit its ability to transfer funds to the holding company through intercompany loans, advances or cash dividends.

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Dividends paid by state banks, such as the Bank, are regulated by the California Department of Business Oversight (“DBO”) under its general supervisory authority as it relates to a bank’s capital requirements and the FDIC. A state bank may declare a dividend without the approval of the DBO and the FDIC as long as the total dividends declared in a calendar year do not exceed either the retained earnings or the total of net profits for three previous fiscal years less any dividends paid during such period. During the three and nine months endedSeptember 30, 2015, PacWest received $55.0 million and $150.0 million in dividends from the Bank. For the foreseeable future, any dividends from the Bank to the holding company require DBO and FDIC approval.

At September 30, 2015, PacWest had $405.7 million in cash, of which the majority is on deposit at the Bank. We believe this amount of cash, along with anticipated dividends from the Bank, will be sufficient to fund the holding company's cash flow needs over the next 12 months.

PacWest did not renew the unsecured, variable-rate revolving line of credit in the amount of $75.0 million which expired on September 30, 2015.

Asset/Liability Management and Interest Rate Sensitivity

For discussion regarding market risks which affect the Company's assets and liabilities, see "Item 3. Quantitative and Qualitative Disclosures About Market Risk" presented elsewhere in this report.

Contractual Obligations

The following table summarizes the known contractual obligations of the Company as of the date indicated:

	September 30, 2015
	Due		Due in		Due in		Due
	Within		One to		Three to		After
	One Year		Three Years		Five Years		Five Years		Total
	(In thousands)
Time deposits(1)	$	4,184,254	$	380,711	$	20,569	$	389	$	4,585,923
Overnight FHLB advance	550,000		—		—		—		550,000
Long-term debt obligations(1)	1,348		982		167		540,610		543,107
Contractual interest(2)	14,279		4,085		797		16		19,177
Operating lease obligations	21,888		36,513		25,035		31,860		115,296
Other contractual obligations	12,262		14,098		8,305		21,084		55,749
Total	$	4,784,031	$	436,389	$	54,873	$	593,959	$	5,869,252

_______________________________________

(1) Excludes purchase accounting fair value adjustments.

(2) Excludes interest on subordinated debentures as these instruments are variable rate.

Long-term debt obligations include subordinated debentures. Debt obligations are also discussed in Note 9, Borrowings, Subordinated Debentures and Brokered Deposits, in the Notes to Condensed Consolidated Financial Statements (Unaudited) contained in “Item 1. Condensed Consolidated Financial Statements (Unaudited).” Operating lease obligations are discussed in the Notes to Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2014. The other contractual obligations relate to our minimum liability associated with our data and item processing contract with a third-party provider, commitments to contribute capital to investments in low income housing project partnerships and private equity funds, and commitments under deferred compensation arrangements.

We believe that we will be able to meet our contractual obligations as they come due through the maintenance of adequate cash levels. We expect to maintain adequate cash levels through profitability, loan and securities repayment and maturity activity, and continued deposit gathering activities. We believe we have in place various borrowing mechanisms for both short-term and long-term liquidity needs.

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Off-Balance Sheet Arrangements

Our obligations also include off-balance sheet arrangements consisting of loan and lease-related commitments, of which only a portion is expected to be funded. At September 30, 2015, our loan and lease-related commitments, including standby letters of credit, totaled $2.1 billion. The commitments, which may result in funded loans and leases, increase our profitability through net interest income. We manage our overall liquidity taking into consideration funded and unfunded commitments as a percentage of our liquidity sources. Our liquidity sources have been and are expected to be sufficient to meet the cash requirements of our lending activities.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

This analysis should be read in conjunction with text under the caption "Quantitative and Qualitative Disclosures About Market Risk" in our Annual Report on Form 10-K for the year ended December 31, 2014, which text is incorporated herein by reference. Our analysis of market risk and market-sensitive financial information contains forward-looking statements and is subject to the disclosure at the beginning of Item 2 regarding such forward-looking information.

Market Risk - Foreign Currency Exchange

The Company enters into foreign exchange contracts with its clients and counterparty banks primarily for the purpose of offsetting or hedging clients' transaction and economic exposures arising out of commercial transactions. We have experienced and will continue to experience fluctuations in our net income as a result of transaction gains or losses related to revaluing certain asset and liability balances that are denominated in currencies other than the U.S. Dollar. We recognized foreign currency gains of $0.8 million and $2.5 million for the nine months ended September 30, 2015 and 2014, respectively. In June 2015, we hedged our Euro-denominated subordinated debentures with a cross currency swap to reduce the related foreign currency translation volatility.

Asset/Liability Management and Interest Rate Sensitivity

Interest Rate Risk

We measure our interest rate risk position on at least a quarterly basis using two methods: (i) net interest income simulation analysis; and (ii) market value of equity modeling. The Executive ALM Committee and the Board Asset Liability Management Committee review the results of these analyses quarterly. If hypothetical changes to interest rates cause changes to our simulated net present value of equity and/or net interest income outside our pre‑established limits, we may adjust our asset and liability mix in an effort to bring our interest rate risk exposure within our established limits.

We evaluated the results of our net interest income simulation and market value of equity models prepared as of September 30, 2015, the results of which are presented below. Our net interest income simulation indicates that our balance sheet is asset sensitive. An asset sensitive profile would suggest that a sudden sustained increase in rates would result in an increase in our estimated net interest income and market value of equity, while a liability sensitive profile would suggest that these amounts would decrease. In general, we view the net interest income model results as more relevant to the Company’s current operating profile and manage our balance sheet giving priority to this information.

Net Interest Income Simulation

We used a simulation model to measure the estimated changes in net interest income that would result over the next 12 months from immediate and sustained changes in interest rates as of September 30, 2015. This model is an interest rate risk management tool and the results are not necessarily an indication of our future net interest income. This model has inherent limitations and these results are based on a given set of rate changes and assumptions at one point in time. We have assumed no growth in either our total interest‑sensitive assets or liabilities over the next 12 months; therefore, the results reflect an interest rate shock to a static balance sheet.

This analysis calculates the difference between net interest income forecasted using both increasing and decreasing interest rate scenarios using the forward yield curve at September 30, 2015. In order to arrive at the base case, we extend our balance sheet at September 30, 2015 one year and reprice any assets and liabilities that would contractually reprice or mature during that period using the products’ pricing as of September 30, 2015. Based on such repricing, we calculate an estimated net interest income and net interest margin.

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The repricing relationship for each of our assets and liabilities includes many assumptions. For example, many of our assets are variable‑rate loans, which are assumed to reprice in accordance with their contractual terms. Some loans and investment vehicles include the opportunity of prepayment (imbedded options) and the simulation model uses prepayment assumptions to estimate these prepayments and reinvest these proceeds at current simulated yields. Our deposit products reprice at our discretion and are assumed to reprice more slowly in a rising or declining interest rate environment and usually reprice at a rate less than the change in market rates. The effects of certain balance sheet attributes, such as fixed‑rate loans, variable‑rate loans that have reached their floors, the 4.00% floor we have administered on the Bank's base lending rate (affecting $492 million of variable-rate loans originated by the Community Banking segment tied to this index), and the volume of noninterest‑bearing deposits as a percentage of earning assets, impact our assumptions and consequently the results of our interest rate risk management model. Changes that could vary significantly from our assumptions include loan and deposit growth or contraction, changes in the mix of our earning assets or funding sources, and future asset/liability management decisions, all of which may have significant effects on our net interest income.

The following table presents as of September 30, 2015, forecasted net interest income and net interest margin for the next 12 months using a base market interest rate and the estimated change to the base scenario given immediate and sustained parallel upward and downward movements in interest rates of 100, 200 and 300 basis points:

					Estimated
	Estimated		Percentage	Estimated	Net Interest
September 30, 2015	Net Interest		Change	Net Interest	Margin Change
Interest Rate Scenario:	Income		From Base	Margin	From Base
	(Dollars in millions)
Up 300 basis points	$	870.6	14.1%	6.03%	0.74%
Up 200 basis points	$	828.7	8.6%	5.74%	0.45%
Up 100 basis points	$	789.1	3.4%	5.47%	0.18%
BASE CASE	$	763.1	—	5.29%	—
Down 100 basis points	$	765.5	0.3%	5.31%	0.02%
Down 200 basis points	$	765.9	0.4%	5.31%	0.02%
Down 300 basis points	$	766.8	0.5%	5.32%	0.03%

Total base case year 1 net interest income increased to $763 million at September 30, 2015 from $735.5 million at June 30, 2015. The increase in base case year 1 net interest income was due to the increase in the ending balance of the loan and securities portfolios during the quarter. The net interest income ("NII") simulation model prepared as of September 30, 2015 suggests our balance sheet is asset sensitive. The degree of asset sensitivity in the third quarter’s NII rate shock results increased slightly compared to the prior quarter primarily due to the increase in the balance of variable rate loans and the increase in the balance of core deposits during the quarter.

In addition to parallel interest rate shock scenarios, the Company also models various alternative rate vectors that are viewed as more likely to occur in a typical monetary policy tightening cycle. One such scenario provides for market rates to increase during the next six months in accordance with forward U.S. Treasury rates and thereafter to increase by 25 basis points every six months. The expected first year NII under this alternative rising rate scenario would be approximately 0.50% higher than the base case.

Although $9.6 billion of the $12.3 billion of total loans in the portfolio have variable interest rate terms, only $2.4 billion of those variable-rate loans would immediately reprice at September 30, 2015 under the modeled scenarios. Of the remaining variable-rate loans, $6.5 billion would not immediately reprice because the loans' fully-indexed rates are below their floor rates.

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Of the $6.5 billion of loans at their floors, the fully-indexed rates would rise off of the floors and reprice as follows:

September 30, 2015
		Rate
Cumulative		Increase
Amount of		Needed to
Loans		Reprice
(Dollars in millions)
$	5,906.0	100 bps
$	6,235.5	200 bps
$	6,383.4	300 bps

Additionally, certain variable-rate hybrid ARM loans do not immediately reprice because the loans contain an initial fixed-rate period before they become adjustable. The cumulative amounts of hybrid ARM loans that would switch from being fixed-rate to variable-rate, because the initial fixed-rate term would expire, was approximately $196 million, $295 million, and $517 million in the next one, two, and three years.

Market Value of Equity

We measure the impact of market interest rate changes on the net present value of estimated cash flows from our assets, liabilities and off-balance sheet items, defined as the market value of equity, using a simulation model. This simulation model assesses the changes in the market value of our interest-sensitive financial instruments that would occur in response to an instantaneous and sustained increase or decrease in market interest rates of 100, 200, and 300 basis points. This analysis assigns significant value to our noninterest-bearing deposit balances. The projections are by their nature forward-looking and therefore inherently uncertain, and include various assumptions regarding cash flows and interest rates.

This model is an interest rate risk management tool and the results are not necessarily an indication of our actual future results. Actual results may vary significantly from the results suggested by the market value of equity table. Loan prepayments and deposit attrition, changes in the mix of our earning assets or funding sources, and future asset/liability management decisions, among others, may vary significantly from our assumptions. The base case is determined by applying various current market discount rates to the estimated cash flows from the different types of assets, liabilities and off-balance sheet items existing at September 30, 2015.

The following table shows the projected change in the market value of equity for the set of rate scenarios presented as of September 30, 2015:

										Ratio of
	Estimated		Dollar			Percentage		Percentage		Estimated
September 30, 2015	Market		Change			Change		of Total		Market Value
Interest Rate Scenario:	Value		From Base			From Base		Assets		to Book Value
	(Dollars in millions)
Up 300 basis points	$	4,169.9	$	102.8		2.5	%	24.8	%	116.4	%
Up 200 basis points	$	4,144.1	$	77.0		1.9	%	24.6	%	115.7	%
Up 100 basis points	$	4,108.4	$	41.3		1.0	%	24.4	%	114.7	%
BASE CASE	$	4,067.1	$	—		—		24.2	%	113.6	%
Down 100 basis points	$	4,026.0	$	(41.1	)	(1.0	)%	23.9	%	112.4	%
Down 200 basis points	$	3,916.2	$	(150.9	)	(3.7	)%	23.3	%	109.3	%
Down 300 basis points	$	3,875.3	$	(191.8	)	(4.7	)%	23.0	%	108.2	%

In comparing the September 30, 2015 simulation results to June 30, 2015, our base case estimated market value of equity has decreased while our overall profile has remained relatively unchanged. Base case market value of equity decreased $225.3 million compared to June 30, 2015. The decrease in base case market value of equity was due primarily to a decrease in net present value of loans due to the increased discount rate used for the calculation. The discount rate used to value loans is derived from the prevailing spread of high yield bonds, which increased during the quarter.

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ITEM 4. CONTROLS AND PROCEDURES

As of the end of the period covered by this report, an evaluation was carried out by the Company's management, with the participation of the Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the Company's disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934). Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that, as of the end of the period covered by this report, these disclosure controls and procedures were effective.

There have been no changes in the Company's internal control over financial reporting (as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934) during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

In the ordinary course of our business, we are party to various legal actions, which we believe are incidental to the operation of our business. The outcome of such legal actions and the timing of ultimate resolution are inherently difficult to predict. In the opinion of management, based upon information currently available to us, any resulting liability, in addition to amounts already accrued, taking into consideration insurance which may be applicable, would not have a material adverse effect on the Company’s financial statements or operations.

ITEM 1A. RISK FACTORS

For information regarding factors that could affect the Company's results of operations, financial condition and liquidity, see the risk factors disclosed in the "Risk Factors" section of our Annual Report on Form 10-K for the year ended December 31, 2014. See also "Forward-Looking Information" disclosed in Part I, Item 2 of this quarterly report on Form 10-Q.

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

The following table presents stock purchases made during the third quarter of 2015:

	Total
	Number of	Average
	Shares	Price Paid
Purchase Dates	Purchased(1)	Per Share
July 1, 2015 - July 31, 2015	—	$	—
August 1, 2015 - August 31, 2015	1,195	46.37
September 1, 2015 - September 30, 2015	—	—
Total	1,195	$	46.37

__________________________

(1) Shares repurchased pursuant to net settlement by employees and directors, in satisfaction of income tax withholding obligations incurred through the vesting of Company stock.

90

ITEM 6. INDEX TO EXHIBITS

Exhibit Number	Description
2.1	Agreement and Plan of Merger dated March 1, 2015 between PacWest Bancorp and Square 1 Financial, Inc. (Exhibit 2.1 to Form 8-K filed on March 5, 2015 and incorporated herein by this reference).
3.1	Certificate of Incorporation, as amended, of PacWest Bancorp, a Delaware corporation, dated April 22, 2008 (Exhibit 3.1 to Form 8-K filed on May 14, 2008 and incorporated herein by this reference).
3.2	Certificate of Amendment of Certificate of Incorporation of PacWest Bancorp, a Delaware Corporation, dated May 14, 2010 (Exhibit 3.1 to Form 8-K filed on May 14, 2010 and incorporated herein by this reference).
3.5	Amended and Restated Bylaws of PacWest Bancorp, a Delaware corporation, dated November 5, 2014 (Exhibit 3.5 to Form 10-Q filed on November 7, 2014 and incorporated herein by this reference).
10.1	Form of Voting Agreement dated March 1, 2015, between PacWest Bancorp and certain stockholders of Square 1 Financial, Inc. (Exhibit 99.1 to Form 8-K filed on March 5, 2015 and incorporated herein by this reference).
31.1	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer. *
31.2	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer. *
32.1	Section 1350 Certification of Chief Executive Officer. *
32.2	Section 1350 Certification of Chief Financial Officer. *
101	Interactive data files pursuant to Rule 405 of Regulation S-T: (i) the Condensed Consolidated Balance Sheets as of September 30, 2015 and December 31, 2014, (ii) the Condensed Consolidated Statements of Earnings for the three months ended September 30, 2015, June 30, 2015 and September 30, 2014 and nine months ended September 30, 2015 and 2014, (iii) the Condensed Consolidated Statements of Comprehensive Income for the three months ended September 30, 2015, June 30, 2015 and September 30, 2014 and nine months ended September 30, 2015 and 2014, (iv) the Condensed Consolidated Statement of Changes in Stockholders' Equity for the nine months ended September 30, 2015 and 2014, (v) the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2015 and 2014, and (vi) the Notes to Condensed Consolidated Financial Statements.

_____________________

* Filed herewith.

91

Signatures

Pursuant to the requirements of Section 13 or 15(d) 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.

	PACWEST BANCORP
Date: November 6, 2015	/s/ Patrick J. Rusnak
	Patrick J. Rusnak
	Executive Vice President and Chief Financial Officer

92

EX-31.1

Exhibit 31.1

Certification

Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, Matthew P. Wagner, certify that:

1. I have reviewed this report on Form 10-Q for the quarterly period ended September 30, 2015 of PacWest Bancorp;

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

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

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

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

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

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

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

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

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

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

Date:	November 6, 2015	/s/ Matthew P. Wagner
		Matthew P. Wagner Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification

Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, Patrick J. Rusnak, certify that:

1. I have reviewed this report on Form 10-Q for the quarterly period ended September 30, 2015 of PacWest Bancorp;

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

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

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

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

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

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

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

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

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

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

Date:	November 6, 2015	/s/ Patrick J. Rusnak
		Patrick J. Rusnak Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted

Pursuant to Section 906 of the

Sarbanes-Oxley Act of 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350), the undersigned officer of PacWest Bancorp (the “Company”) hereby certifies that the Company’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2015 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 6, 2015	/s/ Matthew P. Wagner
		Matthew P. Wagner Chief Executive Officer

The foregoing certification is being furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350) and is not being filed as part of the Report or as a separate disclosure document.

EX-32.2

Exhibit 32.2

Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted

Pursuant to Section 906 of the

Sarbanes-Oxley Act of 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350), the undersigned officer of PacWest Bancorp (the “Company”) hereby certifies that the Company’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2015 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 6, 2015	/s/ Patrick J. Rusnak
		Patrick J. Rusnak Executive Vice President and Chief Financial Officer

The foregoing certification is being furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350) and is not being filed as part of the Report or as a separate disclosure document.

XML

Acquisitions (Details Textual) - USD ($) $ in Thousands		9 Months Ended
	Apr. 07, 2014	Sep. 30, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Goodwill		$ 1,728,380	$ 1,720,479
Capitalsource, Inc. [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Apr. 07, 2014
Goodwill	$ 1,526,282
CapitalSource Inc. [Member] [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition		Apr. 07, 2014

XML

Loans and Leases (Details 6) $ in Thousands	Sep. 30, 2015 USD ($) Contract	Jun. 30, 2015 USD ($) Contract	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 12,452,205		$ 11,882,432
NonCovered [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,258,916		11,591,641	$ 11,223,506
Oil and Gas Properties [Member] | Lease Agreements [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 69,247	$ 90,189
Financing Receivable, Number Of Contracts | Contract	20	21
Oil and Gas Properties [Member] | Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 83,025	$ 87,005
Financing Receivable, Number Of Contracts | Contract	7	8
Oil and Gas Properties [Member] | Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 152,272	$ 177,194
Financing Receivable, Number Of Contracts | Contract	27	29
Classified [Member] | NonCovered [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 328,038		$ 242,611
Classified [Member] | Oil and Gas Properties [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 47,853	$ 64,232
Financing Receivable, Number Of Contracts | Contract	4	4
Nonperforming Financing Receivable [Member] | Oil and Gas Properties [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 47,853	$ 64,232
Financing Receivable, Number Of Contracts | Contract	4	4

XML

Loans and Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	$ 12,493,397		$ 11,904,684
Loans and Leases Receivable, Deferred Income	(41,192)		(22,252)
Loans held for investment, net	12,452,205		11,882,432
Loans and Leases Receivable, Allowance	(103,271)		(84,455)
Loans and leases, net	12,348,934		11,797,977
Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	5,706,042		5,607,316
Loans and Leases Receivable, Allowance	(34,299)			$ (27,003)
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	378,887		316,086
Loans and Leases Receivable, Allowance	(4,391)			(5,917)
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	6,278,413		5,879,575
Loans and Leases Receivable, Allowance	(52,872)			(29,007)
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	130,055		101,707
Loans and Leases Receivable, Allowance	(754)			(1,157)
NonCovered [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	12,300,057		11,613,832
Loans and Leases Receivable, Deferred Income	(41,141)		(22,191)
Loans held for investment, net	12,258,916		11,591,641	11,223,506
Loans and Leases Receivable, Allowance	(92,316)	$ (85,047)	(70,456)	(63,084)	$ (65,523)	$ (60,241)
Loans and leases, net	12,166,600		11,521,185
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	5,521,291		5,350,827
Loans held for investment, net	5,505,087		5,340,560	5,398,244
Loans and Leases Receivable, Allowance		(29,908)	(25,097)		(22,276)	(26,078)
NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	376,197		309,162
Loans held for investment, net	372,480		307,135	283,067
Loans and Leases Receivable, Allowance		(3,908)	(4,248)		(4,302)	(4,298)
NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	6,272,807		5,852,420
Loans held for investment, net	6,251,528		5,842,463	5,433,787
Loans and Leases Receivable, Allowance		(50,531)	(39,858)		(35,530)	(26,921)
NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	129,762		101,423
Loans held for investment, net	129,821		101,483	108,408
Loans and Leases Receivable, Allowance		$ (700)	(1,253)		$ (3,415)	$ (2,944)
Purchased Credit Impaired Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	193,340		290,852
Loans and Leases Receivable, Deferred Income	(51)		(61)
Loans held for investment, net	193,289		290,791	$ 351,379
Loans and Leases Receivable, Allowance	(10,955)		(13,999)
Loans and leases, net	182,334		276,792
Purchased Credit Impaired Loans and Leases [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	184,751		256,489
Purchased Credit Impaired Loans and Leases [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	2,690		6,924
Purchased Credit Impaired Loans and Leases [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	5,606		27,155
Purchased Credit Impaired Loans and Leases [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-PCI loans and leases	$ 293		$ 284

XML

Commitments and Contingencies (Details Textual) $ in Millions	Sep. 30, 2015 USD ($) fund	Dec. 31, 2014 USD ($) fund
Long-term Purchase Commitment [Line Items]
Commitment To Contribute Capital	$ 16.7	$ 11.0
Private Equity Funds [Member]
Long-term Purchase Commitment [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 2.8	$ 2.9
Number of funds | fund	11	11

XML

Loans and Leases (Details 7) - NonCovered [Member] - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014		Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		$ 11,975				$ 11,975				$ 10,774
Impaired Financing Receivable, Recorded Investment		147,146				147,146				118,865
Impaired Financing Receivable, Unpaid Principal Balance		179,421				179,421				150,620
Impaired Financing Receivable, Average Recorded Investment		145,897	[1]	$ 118,715	[1]	122,432	[2]	$ 97,371	[2]
Impaired Financing Receivable, Interest Income, Accrual Method		571		468		1,611		1,305
Hospitality [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		1,907				1,907				1,946
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		1,907				1,907				1,945
Impaired Financing Receivable, Related Allowance		6				6				47
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		7,920				7,920				6,366
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		10,019				10,019				7,593
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		1,907	[1]	1,957	[1]	1,907	[2]	1,957	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		20		20		58		60
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		7,920	[1]	6,451	[1]	7,839	[2]	6,451	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		144		0		426		0
SBA Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		11,682				11,682				11,141
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		15,616				15,616				14,708
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	[2]					0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method						0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		11,209	[1]	7,521	[1]	9,518	[2]	6,259	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		38		1		38
Real Estate Mortgage Other Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		13,955				13,955				9,136
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		14,203				14,203				9,233
Impaired Financing Receivable, Related Allowance		1,437				1,437				646
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		23,650				23,650				29,268
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		36,240				36,240				40,643
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		13,801	[1]	13,302	[1]	13,582	[2]	12,989	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		141		129		415		383
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		23,466	[1]	29,119	[1]	20,952	[2]	26,858	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		113		79		273		283
Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		751				751				763
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		751				751				763
Impaired Financing Receivable, Related Allowance		31				31				46
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		0				0				21
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		0				0				19
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		751	[1]	767	[1]	751	[2]	767	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		4		4		12		12
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		0	[1]	542	[1]	0	[2]	407	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		0		0		0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	[1]	7,193		10,221
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		62		75
Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		0				0				1,128
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		0				0				4,934
Impaired Financing Receivable, Related Allowance		0				0				23
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		7,296				7,296				8,643
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		7,293				7,293				8,749
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		0	[1]	1,162	[1]	0	[2]	1,162	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0		6		0		19
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	[2]					7,021		10,221
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method						176		222
Collateralized Loan Obligations [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		4,966				4,966				4,630
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		5,529				5,529				5,246
Impaired Financing Receivable, Related Allowance		3,006				3,006				3,771
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		1,486				1,486				5,566
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		1,908				1,908				6,877
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		4,876	[1]	5,404	[1]	3,876	[2]	5,404	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		48		46		67		138
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		1,486	[1]	2,746	[1]	1,238	[2]	2,623	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		21		25		51		82
Unsecured Commercial Member [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		1,908				1,908				912
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		1,921				1,921				924
Impaired Financing Receivable, Related Allowance		1,580				1,580				799
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		101				101				725
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		111				111				809
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		1,892	[1]	620	[1]	1,464	[2]	620	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		13		6		35		18
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		101	[1]	144	[1]	101	[2]	125	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		1		0		4		0
Asset Based [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		30				30				137
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		140				140				247
Impaired Financing Receivable, Related Allowance		30				30				137
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		61				61				4,436
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		61				61				5,415
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		30	[1]	262	[1]	30	[2]	262	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0		0		0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		1	[1]	4,472	[1]	0	[2]	3,013	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		0		0		0
Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		11,761				11,761				15,578
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		17,606				17,606				17,970
Impaired Financing Receivable, Related Allowance		2,097				2,097				2,667
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		0				0				387
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		505				505				919
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		11,761	[1]	15,726	[1]	11,761	[2]	5,357	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0		0		0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		0	[1]	0	[1]	0	[2]	0	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		0		0		0
Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		9,654				9,654				6,956
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		10,247				10,247				7,268
Impaired Financing Receivable, Related Allowance		3,630				3,630				2,601
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		43,498				43,498				4,175
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		46,894				46,894				7,528
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		9,654	[1]	1,864	[1]	6,905	[2]	1,051	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		0		0		0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		43,406	[1]	9,466	[1]	29,088	[2]	6,057	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		0		0		0
SBA Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		2,918				2,918				3,207
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		4,743				4,743				4,920
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	[2]					0		0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method						0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		2,841	[1]	3,331	[1]	2,816	[2]	2,786	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		36		82		36
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		394				394				143
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		400				400				142
Impaired Financing Receivable, Related Allowance		158				158				37
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		3,208				3,208				3,601
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		3,327				3,327				3,768
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		394	[1]	146	[1]	375	[2]	146	[2]
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method		4		2		11		7
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		3,208	[1]	3,492	[1]	3,208	[2]	2,856	[2]
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method		0		2		0		7
Impaired Financing Receivable, Recorded Investment		3,602				3,602				3,744
Impaired Financing Receivable, Unpaid Principal Balance		3,727				3,727				3,910
Impaired Financing Receivable, Average Recorded Investment		3,602	[1]	3,638	[1]	3,583	[2]	3,002	[2]
Impaired Financing Receivable, Interest Income, Accrual Method		4		4		11		14
Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		1,443				1,443				693
Impaired Financing Receivable, Recorded Investment		59,114				59,114				57,857
Impaired Financing Receivable, Unpaid Principal Balance		77,985				77,985				74,122
Impaired Financing Receivable, Average Recorded Investment		58,303	[1]	58,350	[1]	53,798	[2]	54,514	[2]
Impaired Financing Receivable, Interest Income, Accrual Method		418		266		1,173		764
Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		31				31				69
Impaired Financing Receivable, Recorded Investment		8,047				8,047				10,555
Impaired Financing Receivable, Unpaid Principal Balance		8,044				8,044				14,465
Impaired Financing Receivable, Average Recorded Investment		7,944	[1]	12,692	[1]	7,772	[2]	12,557	[2]
Impaired Financing Receivable, Interest Income, Accrual Method		66		85		188		253
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, Related Allowance		10,343				10,343				9,975
Impaired Financing Receivable, Recorded Investment		76,383				76,383				46,709
Impaired Financing Receivable, Unpaid Principal Balance		89,665				89,665				$ 58,123
Impaired Financing Receivable, Average Recorded Investment		76,048	[1]	44,035	[1]	57,279	[2]	27,298	[2]
Impaired Financing Receivable, Interest Income, Accrual Method		$ 83		$ 113		$ 239		$ 274

[1] For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

[2] (1)For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

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Earnings Per Share (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net earnings from continuing operations		$ 69,616	$ 85,083	$ 62,276	$ 227,778	$ 99,411
Less: Earnings allocated to unvested restricted stock	[1]	(649)	(807)	(685)	(2,213)	(1,147)
Net earnings from continuing operations allocated to common shares		68,967	84,276	61,591	225,565	98,264
Net (loss) earnings from discontinued operations allocated to common shares		0	0	(5)	0	(1,487)
Net earnings allocated to common shares		$ 68,967	$ 84,276	$ 61,586	$ 225,565	$ 96,777
Weighted-average basic shares and unvested restricted stock outstanding (shares)		103,048	103,030	103,029	103,038	82,758
Weighted-average unvested restricted stock outstanding (shares)		(985)	(1,060)	(1,117)	(1,055)	(981)
Weighted-average basic shares outstanding (shares)		102,063	101,970	101,912	101,983	81,777
Net earnings from continuing operations (usd per share)		$ 0.68	$ 0.83	$ 0.60	$ 2.21	$ 1.20
Net loss from discontinued operations (usd per share)		0.00	0.00	0.00	0.00	(0.02)
Basic net income per share (usd per share)		0.68	0.83	0.60	2.21	1.18
Net earnings from continuing operations (usd per share)		0.68	0.83	0.60	2.21	1.20
Net loss from discontinued operations (usd per share)		0.00	0.00	0.00	0.00	(0.02)
Diluted net income per share (usd per share)		$ 0.68	$ 0.83	$ 0.60	$ 2.21	$ 1.18

[1] Represents cash dividends paid to holders of unvested restricted stock, net of estimated forfeitures, plus undistributed earnings amounts available to holders of unvested restricted stock, if any.

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Investment Securities (Details 4) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]
Taxable interest	$ 7,323	$ 7,577	$ 7,850	$ 22,373	$ 22,438
Non-taxable interest	6,058	4,808	3,343	14,760	10,004
Dividend income	574	2,185	1,138	3,587	2,698
Total interest income on investment securities	$ 13,955	$ 14,570	$ 12,331	$ 40,720	$ 35,140

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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Net Income Per Share

The following table presents the computations of basic and diluted net earnings per share for the periods indicated:

			Three Months Ended									Nine Months Ended
			September 30,			June 30,			September 30,			September 30,
			2015			2015			2014			2015			2014
			(Dollars in thousands, except per share data)
Basic Earnings Per Share:
	Net earnings from continuing operations		$	69,616		$	85,083		$	62,276		$	227,778		$	99,411
	Less:	Earnings allocated to unvested restricted stock(1)	(649		)	(807		)	(685		)	(2,213		)	(1,147		)
	Net earnings from continuing operations allocated to common shares		68,967			84,276			61,591			225,565			98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares and unvested restricted
	stock outstanding		103,048			103,030			103,029			103,038			82,758
	Less:	Weighted-average unvested restricted stock outstanding	(985		)	(1,060		)	(1,117		)	(1,055		)	(981		)
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Basic earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Diluted Earnings Per Share:
	Net earnings from continuing operations allocated to common shares		$	68,967		$	84,276		$	61,591		$	225,565		$	98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Diluted earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18

________________________

(1) Represents cash dividends paid to holders of unvested restricted stock, net of estimated forfeitures, plus undistributed earnings amounts available to holders of unvested restricted stock, if any.

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Stock Based Compensation (Details 1) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
	Apr. 07, 2014	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted shares (shares)		988,825			988,825		1,108,505
Vesting period of time-based restricted stock, lower limit					3 years
Vesting period of time-based restricted stock, higher limit					4 years
Awarded shares of restricted common stock vested due to the triggering of the change of control provision contained within the 2003 Plan		1,013,377			1,013,377
Expense incurred due to awarded shares of restricted common stock vested due to the triggering of the change of control provision contained within the 2003 Plan					$ 26.1
PacWest 2003 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (shares)		19,686,565			19,686,565
Number of shares available for grant (shares)		13,202,836			13,202,836
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation not yet recognized		$ 34.8			$ 34.8
Restricted Stock [Member] | Vesting Based On Service [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense		$ 3.8	$ 4.4	$ 2.9	$ 11.2	$ 6.9
Capitalsource, Inc. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business Acquisition, Effective Date of Acquisition	Apr. 07, 2014

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Fair Value Measurements (Details 3) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 57,301	$ 67,274
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	17,175	20,766
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	40,126	46,508
Non Purchased Credit Impaired Loans and Leases [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	42,622	42,693
Non Purchased Credit Impaired Loans and Leases [Member] | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	0	0
Non Purchased Credit Impaired Loans and Leases [Member] | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	2,556	2,366
Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	40,066	40,327
Other real estate and foreclosed assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	14,679	24,015
Other real estate and foreclosed assets [Member] | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	0	0
Other real estate and foreclosed assets [Member] | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	14,619	18,400
Cost-method Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		566
Cost-method Investments [Member] | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0
Cost-method Investments [Member] | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		0
Cost-method Investments [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		566
Third party appraisals [Domain] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	6,695
Third party appraisals [Domain] | Other real estate and foreclosed assets [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 60	$ 5,615

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Loans and Leases (Details 9)		3 Months Ended				9 Months Ended
		Sep. 30, 2015 USD ($) Contract		Sep. 30, 2014 USD ($) Contract		Sep. 30, 2015 USD ($) Contract		Sep. 30, 2014 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		$ 0		$ 200,000.0		$ 0		$ 200,000.0
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract		3		3		5		5
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 2,037,000	[1],[2]	$ 1,227,000	[2],[3]	$ 3,240,000	[1],[2]	$ 1,358,000	[4],[5]
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract		0		1		0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	[2]	$ 0		$ 1,190,000		$ 0		$ 1,190,000
Mortgage Loans on Real Estate [Member] | Real Estate Mortgage Other Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract		3		0		5		0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 2,037,000	[2]	$ 0	[2]	$ 3,240,000	[2]	$ 0	[5]
Commercial Portfolio Segment [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract		0		2		0		2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	[2]	$ 0		$ 37,000		$ 0		$ 37,000
Commercial Portfolio Segment [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract						0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment						$ 0	[2]	$ 22,000	[5]
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | Contract						0		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment						$ 0	[2]	$ 109,000	[5]

[1] Represents the balance at September 30, 2015, and there were no charge-offs.

[2] The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

[3] Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million

[4] Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

[5] The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

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Fair Value Measurements (Details 6) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	$ 154,652	$ 164,757
Interest-earning deposits in financial institutions	81,642	148,469
Available-for-sale Securities	1,809,364	1,567,177
Federal Home Loan Bank stock, at cost	17,250	40,609
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	17,250	40,609
Cost Method Investments	1,420	3,691
Cost Method Investments, Fair Value Disclosure	9,300	3,691
Equity Method Investments		21,461
Equity Method Investments, Fair Value Disclosure		21,700
Loans and leases, net	12,348,934	11,797,977
Loans Receivable, Fair Value Disclosure	12,254,393	11,757,951
Derivative Asset	10,576	5,234
Deposits, Savings Deposits	7,528,467	6,256,190
Time Deposits	4,587,296	5,498,938
Deposits, Fair Value Disclosure	4,588,540	5,502,479
Borrowed Funds	552,497	383,402
Long-term Debt, Fair Value	552,570	383,539
Subordinated debentures	435,417	433,583
Subordinated Debt Obligations, Fair Value Disclosure	419,180	417,657
Derivative Liability	526	118
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	154,652	164,757
Interest-earning deposits in financial institutions	81,642	148,469
Available-for-sale Securities	522	519
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	0	0
Cost Method Investments, Fair Value Disclosure	0	0
Equity Method Investments, Fair Value Disclosure		0
Loans Receivable, Fair Value Disclosure		0
Deposits, Savings Deposits	0	0
Deposits, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	550,000	380,000
Subordinated Debt Obligations, Fair Value Disclosure	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-earning deposits in financial institutions	0	0
Available-for-sale Securities	1,777,816	1,532,711
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	17,250	40,609
Cost Method Investments, Fair Value Disclosure	0	0
Equity Method Investments, Fair Value Disclosure		0
Loans Receivable, Fair Value Disclosure		2,366
Deposits, Savings Deposits	7,528,467	6,256,190
Deposits, Fair Value Disclosure	4,588,540	5,502,479
Long-term Debt, Fair Value	2,570	3,539
Subordinated Debt Obligations, Fair Value Disclosure	419,180	417,657
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and due from banks	0	0
Interest-earning deposits in financial institutions	0	0
Available-for-sale Securities	31,026	33,947
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure	0	0
Cost Method Investments, Fair Value Disclosure	9,300	3,691
Equity Method Investments, Fair Value Disclosure		21,700
Loans Receivable, Fair Value Disclosure	12,251,837	11,755,585
Deposits, Savings Deposits	0	0
Deposits, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	0	0
Subordinated Debt Obligations, Fair Value Disclosure	0	0
Fair Value, Measurements, Recurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities	1,809,364	1,567,177
Derivative Asset, Fair Value of Collateral	10,576	5,234
Derivative Liability, Fair Value of Collateral	526	118
Fair Value, Measurements, Recurring [Member] | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities		519
Derivative Asset, Fair Value of Collateral	0	0
Derivative Liability, Fair Value of Collateral	0	0
Fair Value, Measurements, Recurring [Member] | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities		1,532,711
Derivative Asset, Fair Value of Collateral	10,576	5,234
Derivative Liability, Fair Value of Collateral	526	118
Fair Value, Measurements, Recurring [Member] | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale Securities		33,947
Derivative Asset, Fair Value of Collateral	0	0
Derivative Liability, Fair Value of Collateral	$ 0	$ 0

XML

Business Segments (Details 2) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Interest Income	$ 207,672	$ 218,455	$ 202,356	$ 640,441	$ 495,079
Interest expense	(15,152)	(15,903)	(13,510)	(46,294)	(27,685)
Net interest income	192,520	202,552	188,846	594,147	467,394
Provision for credit losses	(8,746)	(6,529)	(5,050)	(31,709)	(9,436)
(Loss) gain on securities	655	(186)	0	3,744	4,841
FDIC loss sharing expense, net	(4,449)	(5,107)	(7,415)	(13,955)	(27,370)
Total noninterest income	15,758	19,623	16,314	56,252	29,484
Foreclosed assets (expense) income, net	(4,521)	2,340	(4,827)	(2,517)	(3,463)
Intangible asset amortization	(1,497)	(1,502)	(1,608)	(4,500)	(4,649)
Acquisition, integration and reorganization costs	(747)	(900)	(5,193)	(3,647)	(93,635)
Total noninterest expense	(90,139)	(85,276)	(94,923)	(259,775)	(314,287)
Income tax (expense) benefit	(39,777)	(45,287)	(42,911)	(131,137)	(73,744)
Net earnings from continuing operations	69,616	85,083	62,276	227,778	99,411
Loss from discontinued operations before taxes	0	0	(8)	0	(2,572)
Income tax benefit	0	0	3	0	1,067
Net loss from discontinued operations	0	0	(5)	0	(1,505)
Net earnings	(69,616)	(85,083)	(62,271)	(227,778)	(97,906)
Consolidated Entities [Member]
Segment Reporting Information [Line Items]
Interest Income	207,672	218,455	202,356	640,441	495,079
Interest expense	(15,152)	(15,903)	(13,510)	(46,294)	(27,685)
Intersegment interest income (expense), net	0	0	0	0	0
Net interest income	192,520	202,552	188,846	594,147	467,394
Provision for credit losses	(8,746)	(6,529)	(5,050)	(31,709)	(9,436)
(Loss) gain on securities	655	(186)		3,744	4,841
FDIC loss sharing expense, net	(4,449)	(5,107)	(7,415)	(13,955)	(27,370)
Other noninterest income	19,552	24,916	23,729	66,463	52,013
Total noninterest income	15,758	19,623	16,314	56,252	29,484
Foreclosed assets (expense) income, net	(4,521)	2,340	(4,827)	(2,517)	(3,463)
Intangible asset amortization	(1,497)	(1,502)	(1,608)	(4,500)	(4,649)
Acquisition, integration and reorganization costs	(747)	(900)	(5,193)	(3,647)	(93,635)
Other noninterest expense	(83,374)	(85,214)	(83,295)	(249,111)	(212,540)
Total noninterest expense	(90,139)	(85,276)	(94,923)	(259,775)	(314,287)
Intersegment noninterest income, net	0	0	0	0	0
Total noninterest expense - adjusted	(90,139)	(85,276)	(94,923)	(259,775)	(314,287)
Earnings (loss) before taxes	109,393	130,370	105,187	358,915	173,155
Income tax (expense) benefit	(39,777)	(45,287)	(42,911)	(131,137)	(73,744)
Net earnings from continuing operations			62,276		99,411
Loss from discontinued operations before taxes			(8)		(2,572)
Income tax benefit			3		1,067
Net loss from discontinued operations			(5)		(1,505)
Net earnings	(69,616)	(85,083)	(62,271)	(227,778)	(97,906)
Operating Segments [Member] | Community Banking Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	58,368	63,392	67,132	184,716	214,704
Interest expense	(10,430)	(11,273)	(8,851)	(32,364)	(17,528)
Intersegment interest income (expense), net	6,629	7,140	5,250	20,490	9,543
Net interest income	54,567	59,259	63,531	172,842	206,719
Provision for credit losses	1,309	734	6,314	10,107	11,558
(Loss) gain on securities	655	(186)		3,744	4,841
FDIC loss sharing expense, net	(4,449)	(5,107)	(7,415)	(13,955)	(27,370)
Other noninterest income	7,956	4,235	7,566	21,766	18,144
Total noninterest income	4,162	(1,058)	151	11,555	(4,385)
Foreclosed assets (expense) income, net	(4,787)	(351)	(4,627)	(5,182)	(3,399)
Intangible asset amortization	(1,385)	(1,390)	(1,517)	(4,164)	(4,238)
Acquisition, integration and reorganization costs	(747)	(806)	(3,953)	(3,443)	(83,866)
Other noninterest expense	(56,318)	(58,304)	(53,078)	(169,827)	(144,164)
Total noninterest expense	(63,237)	(60,851)	(63,175)	(182,616)	(235,667)
Intersegment noninterest income, net	28,280	28,857	26,411	83,700	49,944
Total noninterest expense - adjusted	(34,957)	(31,994)	(36,764)	(98,916)	(185,723)
Earnings (loss) before taxes	25,081	26,941	33,232	95,588	28,169
Income tax (expense) benefit	(9,584)	(10,484)	(14,576)	(36,941)	(16,240)
Net earnings from continuing operations			18,656		11,929
Loss from discontinued operations before taxes			(8)		(2,572)
Income tax benefit			3		1,067
Net loss from discontinued operations			(5)		(1,505)
Net earnings	(15,497)	(16,457)	(18,651)	(58,647)	(10,424)
Operating Segments [Member] | National Lending Segment [Member]
Segment Reporting Information [Line Items]
Interest Income	148,264	154,816	134,624	454,299	278,131
Interest expense	(42)	(48)	(45)	(143)	(184)
Intersegment interest income (expense), net	(6,629)	(7,140)	(5,250)	(20,490)	(9,543)
Net interest income	141,593	147,628	129,329	433,666	268,404
Provision for credit losses	(10,145)	(7,263)	(11,364)	(41,814)	(20,994)
(Loss) gain on securities	0	0		0	0
FDIC loss sharing expense, net	0	0	0	0	0
Other noninterest income	7,478	14,465	9,953	27,085	26,885
Total noninterest income	7,478	14,465	9,953	27,085	26,885
Foreclosed assets (expense) income, net	39	(22)	(322)	(44)	(284)
Intangible asset amortization	(112)	(112)	(91)	(336)	(411)
Acquisition, integration and reorganization costs	0	0	(1,240)	0	(8,714)
Other noninterest expense	(23,763)	(24,164)	(24,835)	(70,764)	(55,892)
Total noninterest expense	(23,836)	(24,298)	(26,488)	(71,144)	(65,301)
Intersegment noninterest income, net	(28,280)	(28,857)	(26,411)	(83,700)	(49,944)
Total noninterest expense - adjusted	(52,116)	(53,155)	(52,899)	(154,844)	(115,245)
Earnings (loss) before taxes	86,810	101,675	75,019	264,093	159,050
Income tax (expense) benefit	(33,172)	(39,566)	(30,113)	(102,020)	(63,703)
Net earnings from continuing operations			44,906		95,347
Loss from discontinued operations before taxes			0		0
Income tax benefit			0		0
Net loss from discontinued operations			0		0
Net earnings	(53,638)	(62,109)	(44,906)	(162,073)	(95,347)
Operating Segments [Member] | Other Segments [Member]
Segment Reporting Information [Line Items]
Interest Income	1,040	247	600	1,426	2,244
Interest expense	(4,680)	(4,582)	(4,614)	(13,787)	(9,973)
Intersegment interest income (expense), net	0	0	0	0	0
Net interest income	(3,640)	(4,335)	(4,014)	(12,361)	(7,729)
Provision for credit losses	90	0	0	(2)	0
(Loss) gain on securities	0	0		0	0
FDIC loss sharing expense, net	0	0	0	0	0
Other noninterest income	4,118	6,216	6,210	17,612	6,984
Total noninterest income	4,118	6,216	6,210	17,612	6,984
Foreclosed assets (expense) income, net	227	2,713	122	2,709	220
Intangible asset amortization	0	0	0	0	0
Acquisition, integration and reorganization costs	0	(94)	0	(204)	(1,055)
Other noninterest expense	(3,293)	(2,746)	(5,382)	(8,520)	(12,484)
Total noninterest expense	(3,066)	(127)	(5,260)	(6,015)	(13,319)
Intersegment noninterest income, net	0	0	0	0	0
Total noninterest expense - adjusted	(3,066)	(127)	(5,260)	(6,015)	(13,319)
Earnings (loss) before taxes	(2,498)	1,754	(3,064)	(766)	(14,064)
Income tax (expense) benefit	2,979	4,763	1,778	7,824	6,199
Net earnings from continuing operations			(1,286)		(7,865)
Loss from discontinued operations before taxes			0		0
Income tax benefit			0		0
Net loss from discontinued operations			0		0
Net earnings	$ (481)	$ (6,517)	$ 1,286	$ (7,058)	$ 7,865

XML

Fair Value Measurements (Details Textual)	Sep. 30, 2015 USD ($)
Fair Value Disclosures [Abstract]
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount	$ 0

XML

Fair Value Measurements (Details 1) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Securities available‑for‑sale	$ 1,809,364	$ 1,567,177
Level 1
Securities available‑for‑sale	522	519
Level 2
Securities available‑for‑sale	1,777,816	1,532,711
Level 3
Securities available‑for‑sale	31,026	33,947
Government agency and government-sponsored enterprise pass through securities [Member]
Securities available‑for‑sale	407,598	535,672
Government agency and government-sponsored enterprise collateralized mortgage obligations [Member]
Securities available‑for‑sale	211,419	277,946
Covered private label collateralized mortgage obligation [Member]
Securities available‑for‑sale	31,026	33,947
Other Private Label Collateralized Mortgage Obligations [Member]
Securities available‑for‑sale	7,262	10,914
Municipal securities
Securities available‑for‑sale	858,837	536,116
Corporate Debt Securities [Member]
Securities available‑for‑sale	47,396	110,109
Collateralized Loan Obligations [Member]
Securities available‑for‑sale	132,317	0
US Government-sponsored Enterprises Debt Securities [Member]
Securities available‑for‑sale	37,524	36,757
Other securities [Member]
Securities available‑for‑sale	24,437	25,716
Fair Value, Measurements, Recurring [Member]
Securities available‑for‑sale	1,809,364	1,567,177
Derivative Asset, Fair Value of Collateral	10,576	5,234
Assets, Fair Value Disclosure, Recurring	1,819,940	1,572,411
Derivative Liability, Fair Value of Collateral	526	118
Fair Value, Measurements, Recurring [Member] | Level 1
Securities available‑for‑sale		519
Derivative Asset, Fair Value of Collateral	0	0
Assets, Fair Value Disclosure, Recurring	522	519
Derivative Liability, Fair Value of Collateral	0	0
Fair Value, Measurements, Recurring [Member] | Level 2
Securities available‑for‑sale		1,532,711
Derivative Asset, Fair Value of Collateral	10,576	5,234
Assets, Fair Value Disclosure, Recurring	1,788,392	1,537,945
Derivative Liability, Fair Value of Collateral	526	118
Fair Value, Measurements, Recurring [Member] | Level 3
Securities available‑for‑sale		33,947
Derivative Asset, Fair Value of Collateral	0	0
Assets, Fair Value Disclosure, Recurring	31,026	33,947
Derivative Liability, Fair Value of Collateral	0	0
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise pass through securities [Member]
Securities available‑for‑sale		535,672
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise pass through securities [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise pass through securities [Member] | Level 2
Securities available‑for‑sale	407,598	535,672
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise pass through securities [Member] | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise collateralized mortgage obligations [Member]
Securities available‑for‑sale		277,946
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] | Level 2
Securities available‑for‑sale	211,419	277,946
Fair Value, Measurements, Recurring [Member] | Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Covered private label collateralized mortgage obligation [Member]
Securities available‑for‑sale		33,947
Fair Value, Measurements, Recurring [Member] | Covered private label collateralized mortgage obligation [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Covered private label collateralized mortgage obligation [Member] | Level 2
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Covered private label collateralized mortgage obligation [Member] | Level 3
Securities available‑for‑sale	31,026	33,947
Fair Value, Measurements, Recurring [Member] | Other Private Label Collateralized Mortgage Obligations [Member]
Securities available‑for‑sale		10,914
Fair Value, Measurements, Recurring [Member] | Other Private Label Collateralized Mortgage Obligations [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Other Private Label Collateralized Mortgage Obligations [Member] | Level 2
Securities available‑for‑sale	7,262	10,914
Fair Value, Measurements, Recurring [Member] | Other Private Label Collateralized Mortgage Obligations [Member] | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Municipal securities
Securities available‑for‑sale		536,116
Fair Value, Measurements, Recurring [Member] | Municipal securities | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Municipal securities | Level 2
Securities available‑for‑sale	858,837	536,116
Fair Value, Measurements, Recurring [Member] | Municipal securities | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member] | Level 1
Securities available‑for‑sale	0
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member] | Level 2
Securities available‑for‑sale	51,548
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities [Member] | Level 3
Securities available‑for‑sale	0
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Securities available‑for‑sale		110,109
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Level 2
Securities available‑for‑sale	47,396	110,109
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Collateralized Loan Obligations [Member] | Level 1
Securities available‑for‑sale	0
Fair Value, Measurements, Recurring [Member] | Collateralized Loan Obligations [Member] | Level 2
Securities available‑for‑sale	132,317
Fair Value, Measurements, Recurring [Member] | Collateralized Loan Obligations [Member] | Level 3
Securities available‑for‑sale	0
Fair Value, Measurements, Recurring [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Securities available‑for‑sale		36,757
Fair Value, Measurements, Recurring [Member] | US Government-sponsored Enterprises Debt Securities [Member] | Level 1
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | US Government-sponsored Enterprises Debt Securities [Member] | Level 2
Securities available‑for‑sale	37,524	36,757
Fair Value, Measurements, Recurring [Member] | US Government-sponsored Enterprises Debt Securities [Member] | Level 3
Securities available‑for‑sale	0	0
Fair Value, Measurements, Recurring [Member] | Other securities [Member]
Securities available‑for‑sale		25,716
Fair Value, Measurements, Recurring [Member] | Other securities [Member] | Level 1
Securities available‑for‑sale	522	519
Fair Value, Measurements, Recurring [Member] | Other securities [Member] | Level 2
Securities available‑for‑sale	23,915	25,197
Fair Value, Measurements, Recurring [Member] | Other securities [Member] | Level 3
Securities available‑for‑sale	$ 0	$ 0

XML

Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill Disclosure

The following table presents the changes in the carrying amount of goodwill for the period indicated:    

	Goodwill
	(In thousands)
Balance, December 31, 2014	$	1,720,479
Adjustment to acquired CapitalSource Inc. deferred tax assets	7,901
Balance, September 30, 2015	$	1,728,380

Intangible Assets Disclosure

The following table presents the changes in CDI and CRI and the related accumulated amortization for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
Gross Amount of CDI and CRI:
Balance, beginning of period	$	53,090		$	53,090		$	53,090		$	53,090		$	48,963
Additions	—			—			—			—			6,720
Fully amortized portion	—			—			—			—			(1,293		)
Write-off due to the asset financing segment reorganization	—			—			—			—			(1,300		)
Balance, end of period	53,090			53,090			53,090			53,090			53,090
Accumulated Amortization:
Balance, beginning of period	(38,889		)	(37,387		)	(32,659		)	(35,886		)	(31,715		)
Amortization	(1,497		)	(1,502		)	(1,608		)	(4,500		)	(4,649		)
Fully amortized portion	—			—			—			—			1,293
Write-off due to the asset financing segment reorganization	—			—			—			—			804
Balance, end of period	(40,386		)	(38,889		)	(34,267		)	(40,386		)	(34,267		)
Net CDI and CRI, end of period	$	12,704		$	14,201		$	18,823		$	12,704		$	18,823

XML

Loans and Leases (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 12,452,205	$ 11,882,432
NonCovered [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,258,916	11,591,641	$ 11,223,506
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,505,087	5,340,560	5,398,244
NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	372,480	307,135	283,067
NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6,251,528	5,842,463	5,433,787
NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	129,821	101,483	$ 108,408
NonCovered [Member] | Classified [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	328,038	242,611
NonCovered [Member] | Classified [Member] | Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	10,695	17,761
NonCovered [Member] | Classified [Member] | SBA Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	11,682	11,141
NonCovered [Member] | Classified [Member] | Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	56,981	68,084
NonCovered [Member] | Classified [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	79,358	96,986
NonCovered [Member] | Classified [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,407	402
NonCovered [Member] | Classified [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,991	3,748
NonCovered [Member] | Classified [Member] | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	584	3,346
NonCovered [Member] | Classified [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	17,147	22,433
NonCovered [Member] | Classified [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,357	1,323
NonCovered [Member] | Classified [Member] | Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,838	11,547
NonCovered [Member] | Classified [Member] | Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	163,589	83,321
NonCovered [Member] | Classified [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	53,153	15,973
NonCovered [Member] | Classified [Member] | SBA Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,918	3,207
NonCovered [Member] | Classified [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	243,002	137,804
NonCovered [Member] | Classified [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,687	4,073
NonCovered [Member] | Nonclassified [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	11,930,878	11,349,030
NonCovered [Member] | Nonclassified [Member] | Hospitality [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	613,452	542,458
NonCovered [Member] | Nonclassified [Member] | SBA Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	387,044	364,786
NonCovered [Member] | Nonclassified [Member] | Real Estate Other Class [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,425,233	4,336,330
NonCovered [Member] | Nonclassified [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,425,729	5,243,574
NonCovered [Member] | Nonclassified [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	143,834	96,326
NonCovered [Member] | Nonclassified [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	370,489	303,387
NonCovered [Member] | Nonclassified [Member] | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	226,655	207,061
NonCovered [Member] | Nonclassified [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	341,942	416,754
NonCovered [Member] | Nonclassified [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	124,214	130,501
NonCovered [Member] | Nonclassified [Member] | Asset Based [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,018,591	1,783,304
NonCovered [Member] | Nonclassified [Member] | Cash Flow [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,636,965	2,376,530
NonCovered [Member] | Nonclassified [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	841,624	953,516
NonCovered [Member] | Nonclassified [Member] | SBA Financing Receivable [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	45,190	44,054
NonCovered [Member] | Nonclassified [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6,008,526	5,704,659
NonCovered [Member] | Nonclassified [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	126,134	97,410
Collateralized Loan Obligations [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	359,089	439,187
Unsecured Commercial Member [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	126,571	131,824
Asset Based [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,022,429	1,794,851
Cash Flow [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,800,554	2,459,851
Equipment Finance Commercial Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	894,777	969,489
SBA Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	48,108	47,261
Commercial Real Estate Construction Loan Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	227,239	210,407
Residential Real Estate Construction Financing Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	145,241	96,728
Hospitality [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	624,147	560,219
SBA Loans [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	398,726	375,927
Real Estate Other Class [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 4,482,214	$ 4,404,414

XML

Goodwill and Other Intangible Assets (Details Textual) - USD ($)	3 Months Ended					9 Months Ended		12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Goodwill, Subsequent Recognition of Deferred Tax Asset			$ 7,900,000			$ 7,901,000
Adjustment to acquired CapitalSource Inc. deferred tax assets						$ 0	$ 0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						3 years 9 months 10 days
Intangible asset amortization	$ 1,497,000	$ 1,502,000		$ 1,608,000		$ 4,500,000	4,649,000
Aggregate Amortization Expense 2016	4,100,000					4,100,000
Aggregate Amortization Expense 2017	2,300,000					2,300,000
Aggregate Amortization Expense 2018	2,000,000					2,000,000
Aggregate Amortization Expense 2019	1,700,000					1,700,000
Aggregate Amortization Expense 2020	953,000					953,000
Goodwill, Written off Related to Sale of Business Unit					$ 6,600,000	0	(6,645,000)
Impairment of Intangible Assets, Finite-lived	0	0		0		0	804,000
Scenario, Forecast [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset amortization								$ 6,000,000
CDI and CRI [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 0	$ 0		$ 0		$ 0	$ 1,300,000
CDI and CRI [Member] | CapitalSource Inc. [Member] [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived					$ 500,000

XML

Fair Value Measurements (Details 5) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 57,301	$ 67,274
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	40,126	46,508
Non Purchased Credit Impaired Loans and Leases [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	42,622	42,693
Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	40,066	40,327
Cost-method Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		566
Cost-method Investments [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring		$ 566
Discounted Cash Flow [Member] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	33,371
Third party appraisals [Domain] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	6,695
Third party appraisals [Domain] | Other Real Estate Owned [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	$ 60
Minimum [Member] | Discounted Cash Flow [Member] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	0.00%
Minimum [Member] | Third party appraisals [Domain] | Other Real Estate Owned [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	27.60%
Maximum [Member] | Discounted Cash Flow [Member] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	9.04%
Maximum [Member] | Third party appraisals [Domain] | Other Real Estate Owned [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	43.90%
Weighted Average [Member] | Discounted Cash Flow [Member] | Non Purchased Credit Impaired Loans and Leases [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	5.97%
Weighted Average [Member] | Third party appraisals [Domain] | Other Real Estate Owned [Member] | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	32.90%

XML

Acquisitions (Details) - USD ($) $ in Thousands	Apr. 07, 2014	Sep. 30, 2015	Dec. 31, 2014
Assets Acquired:
Equipment leased to others under operating leases		$ 161,508	$ 122,506
Goodwill		$ 1,728,380	$ 1,720,479
Capitalsource, Inc. [Member]
Assets Acquired:
Cash and due from banks	$ 768,553
Interest‑earning deposits in financial institutions	60,612
Investment securities available‑for‑sale	382,797
FHLB stock	46,060
Loans and leases	6,877,427
Equipment leased to others under operating leases	160,015
Premises and equipment	12,663
Foreclosed assets	6,382
Income tax assets	304,856
Goodwill	1,526,282
Core deposit and customer relationship intangibles	6,720
Other assets	582,985
Total assets acquired	10,735,352
Liabilities Assumed:
Noninterest‑bearing deposits	4,631
Interest‑bearing deposits	6,236,419
Other borrowings	992,109
Subordinated debentures	300,918
Accrued interest payable and other liabilities	124,087
Total liabilities assumed	7,658,164
Total consideration paid	3,077,188
Cash paid	483,118
PacWest common stock issued	$ 2,594,070

XML

Loans and Leases (Details 4) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 12,452,205	$ 11,882,432
Non-PCI nonaccrual loans	107,190	83,621
NonCovered [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,258,916	11,591,641	$ 11,223,506
Financing Receivable, Recorded Investment, Nonaccrual Status	107,190	83,621
Non-PCI nonaccrual loans		11,591,641
NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	129,821	101,483	108,408
Financing Receivable, Recorded Investment, Nonaccrual Status	3,379	3,485
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,505,087	5,340,560	5,398,244
Financing Receivable, Recorded Investment, Nonaccrual Status	31,821	37,612
NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	372,480	307,135	283,067
Financing Receivable, Recorded Investment, Nonaccrual Status	374	1,559
NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6,251,528	5,842,463	$ 5,433,787
Financing Receivable, Recorded Investment, Nonaccrual Status	71,616	40,965
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Hospitality [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,845	6,366
Nonperforming Financing Receivable [Member] | NonCovered [Member] | SBA Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	11,682	11,141
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Real Estate Other Class [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	18,294	20,105
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	374	381
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0	1,178
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,771	5,450
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	923	639
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Asset Based [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	90	4,574
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	11,761	15,964
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	53,153	11,131
Nonperforming Financing Receivable [Member] | NonCovered [Member] | SBA Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,918	3,207
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income		3,485
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income		37,612
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income		1,559
Nonperforming Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income		40,965
Performing Financing Receivable [Member] | NonCovered [Member]
Financing Receivable, Impaired [Line Items]
Non-PCI nonaccrual loans	12,151,726	11,508,020
Performing Financing Receivable [Member] | NonCovered [Member] | Hospitality [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	622,302	553,853
Performing Financing Receivable [Member] | NonCovered [Member] | SBA Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	387,044	364,786
Performing Financing Receivable [Member] | NonCovered [Member] | Real Estate Other Class [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,463,920	4,384,309
Performing Financing Receivable [Member] | NonCovered [Member] | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	144,867	96,347
Performing Financing Receivable [Member] | NonCovered [Member] | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	227,239	209,229
Performing Financing Receivable [Member] | NonCovered [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	356,318	433,737
Performing Financing Receivable [Member] | NonCovered [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	125,648	131,185
Performing Financing Receivable [Member] | NonCovered [Member] | Asset Based [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,022,339	1,790,277
Performing Financing Receivable [Member] | NonCovered [Member] | Cash Flow [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,788,793	2,443,887
Performing Financing Receivable [Member] | NonCovered [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	841,624	958,358
Performing Financing Receivable [Member] | NonCovered [Member] | SBA Financing Receivable [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	45,190	44,054
Performing Financing Receivable [Member] | NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	126,442	97,998
Performing Financing Receivable [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	5,473,266	5,302,948
Performing Financing Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	372,106	305,576
Performing Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	6,179,912	5,801,498
Collateralized Loan Obligations [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	359,089	439,187
Unsecured Commercial Member [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	126,571	131,824
Asset Based [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,022,429	1,794,851
Cash Flow [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,800,554	2,459,851
Equipment Finance Commercial Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	894,777	969,489
SBA Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	48,108	47,261
Residential Real Estate Construction Financing Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	145,241	96,728
Hospitality [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	624,147	560,219
SBA Loans [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	398,726	375,927
Real Estate Other Class [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 4,482,214	$ 4,404,414

XML

Borrowings, Subordinated Debentures and Brokered Time Deposits (Details 1) $ in Thousands, € in Millions		9 Months Ended
		Sep. 30, 2015 USD ($)	Sep. 30, 2015 EUR (€)	Dec. 31, 2014 USD ($)
Subordinated Borrowing [Line Items]
Subordinated debentures		$ 435,417		$ 433,583
Subordinated Debt Trust V Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 10,310		$ 10,310
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.43%	3.43%	3.33%
Debt Instrument Date Issued		Aug. 15, 2003
Debt Instrument, Maturity Date		Sep. 17, 2033
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 3.10
Subordinated Debt Trust VI Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 10,310		$ 10,310
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.39%	3.39%	3.29%
Debt Instrument Date Issued		Sep. 03, 2003
Debt Instrument, Maturity Date		Sep. 15, 2033
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 3.05
Subordinated Debt Trust CII Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 5,155		$ 5,155
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.29%	3.29%	3.19%
Debt Instrument Date Issued		Sep. 17, 2003
Debt Instrument, Maturity Date		Sep. 17, 2033
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 2.95
Subordinated Debt Trust VII Due April 2034 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 61,856		$ 61,856
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		3.05%	3.05%	2.98%
Debt Instrument Date Issued		Feb. 05, 2004
Debt Instrument, Maturity Date		Apr. 23, 2034
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 2.75
Subordinated Debt Trust CIII Due September 2035 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 20,619		$ 20,619
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.03%	2.03%	1.93%
Debt Instrument Date Issued		Aug. 15, 2005
Debt Instrument, Maturity Date		Sep. 15, 2035
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.69
Subordinated Debt Trust FCCI Due March 2037 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 16,495		$ 16,495
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		1.94%	1.94%	1.84%
Debt Instrument Date Issued		Jan. 25, 2007
Debt Instrument, Maturity Date		Mar. 15, 2037
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.60
Subordinated Debt Trust FCBI Due December 2035 [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 10,310		$ 10,310
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		1.89%	1.89%	1.79%
Debt Instrument Date Issued		Sep. 30, 2005
Debt Instrument, Maturity Date		Dec. 15, 2035
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.55
Trust Preferred Securities Two Thousand Five Series One [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 82,475		$ 82,475
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.29%	2.29%	2.19%
Debt Instrument Date Issued		Nov. 21, 2005
Debt Instrument, Maturity Date		Dec. 15, 2035
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Trust Preferred Securities Two Thousand Five Series Two [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 128,866		$ 128,866
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Dec. 14, 2005
Debt Instrument, Maturity Date		Jan. 30, 2036
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Two Thousand Six One Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 51,545		$ 51,545
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Feb. 22, 2006
Debt Instrument, Maturity Date		Apr. 30, 2036
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Two Thousand Six Two Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 51,550		$ 51,550
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Sep. 27, 2006
Debt Instrument, Maturity Date		Oct. 30, 2036
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Trust Preferred Securities Two Thousand Six Series Three [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross	[1]	$ 28,822		$ 31,188
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.03%	2.03%	2.14%
Debt Instrument Date Issued		Sep. 29, 2006
Debt Instrument, Maturity Date		Oct. 30, 2036
Debt Instrument, Basis Spread on Variable Rate		3 month EURIBOR + 2.05
Liability, Reporting Currency Denominated, Value | €			€ 25.8
Trust Preferred Securities Two Thousand Six Series Four [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 16,470		$ 16,470
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Dec. 05, 2006
Debt Instrument, Maturity Date		Jan. 30, 2037
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Trust Preferred Securities Two Thousand Six Series Five [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 6,650		$ 6,650
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Dec. 19, 2006
Debt Instrument, Maturity Date		Jan. 30, 2037
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Two Thousand Seven One Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 39,177		$ 39,177
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate		2.25%	2.25%	2.18%
Debt Instrument Date Issued		Jun. 13, 2007
Debt Instrument, Maturity Date		Jul. 30, 2037
Debt Instrument, Basis Spread on Variable Rate		3 month LIBOR + 1.95
Subordinated Debt [Member]
Subordinated Borrowing [Line Items]
Long-term Debt, Gross		$ 540,610		$ 542,976
Debt Instrument, Unamortized Discount	[2]	(105,193)		(109,393)
Subordinated debentures		$ 435,417		$ 433,583
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust V Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		3.43%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust VI Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		3.39%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust CII Due September 2033 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		3.29%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust VII Due April 2034 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		3.05%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust CIII Due September 2035 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.03%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust FCCI Due March 2037 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.94%
London Interbank Offered Rate (LIBOR) [Member] | Subordinated Debt Trust FCBI Due December 2035 [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.89%
London Interbank Offered Rate (LIBOR) [Member] | Trust Preferred Securities Two Thousand Five Series One [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.29%
London Interbank Offered Rate (LIBOR) [Member] | Trust Preferred Securities Two Thousand Five Series Two [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
London Interbank Offered Rate (LIBOR) [Member] | Two Thousand Six One Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
London Interbank Offered Rate (LIBOR) [Member] | Two Thousand Six Two Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
London Interbank Offered Rate (LIBOR) [Member] | Trust Preferred Securities Two Thousand Six Series Four [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
London Interbank Offered Rate (LIBOR) [Member] | Trust Preferred Securities Two Thousand Six Series Five [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
London Interbank Offered Rate (LIBOR) [Member] | Two Thousand Seven One Term Debt Securitization [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
Euribor Future [Member] | Trust Preferred Securities Two Thousand Six Series Three [Member]
Subordinated Borrowing [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.03%

[1] Denomination is in Euros with a value of €25.8 million.

[2] Amount represents the fair value adjustment on subordinated debentures assumed in acquisitions.

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Loans and Leases (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Financing Receivable, Impaired [Line Items]
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down	$ 0	$ 200,000.0	$ 0	$ 200,000.0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0		$ 0
Non-PCI nonaccrual loans	107,190,000		107,190,000		83,621,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,100,000		22,100,000		18,800,000
Financing Receivable Recorded Investment Thirty to Eighty Nine Days Past Due	2,600,000		2,600,000		8,700,000
Financing Receivable Recorded Investment Nonaccrual Status Current	82,400,000		82,400,000		56,100,000
NonCovered [Member]
Financing Receivable, Impaired [Line Items]
Non-PCI nonaccrual loans					11,591,641,000
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,121,000		22,121,000		18,818,000
Financing Receivable Recorded Investment Thirty to Eighty Nine Days Past Due	5,886,000		5,886,000		19,406,000
Financing Receivable, Recorded Investment, Nonaccrual Status	107,190,000		107,190,000		$ 83,621,000
Loans and Leases Related to the Oil and Gas Industries
Financing Receivable, Impaired [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 47,900,000		$ 47,900,000
Nonperforming Financing Receivable [Member] | Loans and Leases Related to the Oil and Gas Industries
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number Of Contracts | Contract	4		4

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Investment Securities (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available For Sale Securities Pledged As Collateral Amortized Cost		$ 366,200,000
Payments to Acquire Investments		(557,800,000)	$ (187,000,000)
Proceeds from Sale of Available-for-sale Securities		212,169,000	465,608,000
Federal Home Loan Bank stock, at cost		17,250,000		$ 40,609,000
Net change in FLHB Stock		23,359,000	28,397,000
Redemptions of FHLB stock		27,300,000
Purchases of FHLB Stock		3,900,000
Federal Home Loan Bank special dividend	$ 1,400,000
Government agency and government-sponsored enterprise collateralized mortgage obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities		49,900,000
Available-for-sale Securities, Gross Realized Gains		609,000
Other Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities			797,000
Available-for-sale Securities, Gross Realized Gains			89,000
Government agency and government-sponsored enterprise pass through securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities		60,300,000	137,300,000
Available-for-sale Securities, Gross Realized Gains		2,600,000	4,800,000
Texas Municipal Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities		30,700,000
Available-for-sale Securities, Gross Realized Gains		744,000
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities		67,500,000
Available-for-sale Securities, Gross Realized Losses		$ (232,000)
CapitalSource Inc. [Member] [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from Sale of Available-for-sale Securities			323,600,000
Available-for-sale Securities, Gross Realized Gains			0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities			$ 382,800,000

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Discontinued Operations

9 Months Ended

Sep. 30, 2015

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations

Discontinued Operations    

Discontinued operations include the income and expense related to Electronic Payment Services ("EPS"), a discontinued division of the Bank acquired in connection with the First California Financial Group, Inc. ("FCAL") acquisition. Liabilities of the EPS division were $16.9 million and $21.3 million at September 30, 2015 and December 31, 2014, which consisted primarily of noninterest‑bearing deposits, and are included in the condensed consolidated balance sheets under the caption “Accrued interest payable and other liabilities.” For segment reporting purposes, the EPS division is included in our Community Banking segment.

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Foreclosed Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Other Real Estate Owned Net		$ 23,045	$ 35,423
Other Foreclosed Assets NonCovered		10,171	8,298
Other Real Estate Owned Net Noncovered including Foreclosed Assets	[1]	33,216	43,721
Other Real Estate Owned Net Covered and Noncovered including Foreclosed Assets		33,216	43,721
NonCovered [Member] | Commercial Real Estate [Member]
Other Real Estate Owned Net		3,558	2,449
NonCovered [Member] | Construction and Land Development [Member]
Other Real Estate Owned Net		14,343	24,759
NonCovered [Member] | Multi Family [Member]
Other Real Estate Owned Net		3,481	4,823
NonCovered [Member] | Residential Mortgage [Member]
Other Real Estate Owned Net		1,663	3,392
Covered [Member]
Other Real Estate Owned Net Covered and Noncovered including Foreclosed Assets		$ 8,900	$ 9,300

[1] As of September 30, 2015 and December 31, 2014, the amounts of covered foreclosed assets were $8.9 million and $9.3 million.

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Investment Securities (Details 1) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	$ 1,768,186	$ 1,522,871
Available-for-sale Securities, Gross Unrealized Gain	47,765	47,908
Available-for-sale Securities, Gross Unrealized Loss	(6,587)	(3,602)
Securities available‑for‑sale	1,809,364	1,567,177
Government agency and government-sponsored enterprise pass through securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	391,904	515,902
Available-for-sale Securities, Gross Unrealized Gain	15,890	20,142
Available-for-sale Securities, Gross Unrealized Loss	(196)	(372)
Securities available‑for‑sale	407,598	535,672
Government agency and government-sponsored enterprise collateralized mortgage obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	206,380	275,513
Available-for-sale Securities, Gross Unrealized Gain	5,460	3,513
Available-for-sale Securities, Gross Unrealized Loss	(421)	(1,080)
Securities available‑for‑sale	211,419	277,946
Covered private label collateralized mortgage obligation [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	24,914	26,889
Available-for-sale Securities, Gross Unrealized Gain	6,222	7,153
Available-for-sale Securities, Gross Unrealized Loss	(110)	(95)
Securities available‑for‑sale	31,026	33,947
Other Private Label Collateralized Mortgage Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	7,258	10,961
Available-for-sale Securities, Gross Unrealized Gain	44	46
Available-for-sale Securities, Gross Unrealized Loss	(40)	(93)
Securities available‑for‑sale	7,262	10,914
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	844,782	521,499
Available-for-sale Securities, Gross Unrealized Gain	18,057	15,899
Available-for-sale Securities, Gross Unrealized Loss	(4,002)	(1,282)
Securities available‑for‑sale	858,837	536,116
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	47,380	110,074
Available-for-sale Securities, Gross Unrealized Gain	139	597
Available-for-sale Securities, Gross Unrealized Loss	(123)	(562)
Securities available‑for‑sale	47,396	110,109
Collateralized Loan Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	133,159	0
Available-for-sale Securities, Gross Unrealized Gain	316	0
Available-for-sale Securities, Gross Unrealized Loss	(1,158)	0
Securities available‑for‑sale	132,317	0
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	36,284	36,232
Available-for-sale Securities, Gross Unrealized Gain	1,240	525
Available-for-sale Securities, Gross Unrealized Loss	0	0
Securities available‑for‑sale	37,524	36,757
Other securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	24,972	25,801
Available-for-sale Securities, Gross Unrealized Gain	2	33
Available-for-sale Securities, Gross Unrealized Loss	(537)	(118)
Securities available‑for‑sale	24,437	25,716
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Total securities available-for-sale	51,153	0
Available-for-sale Securities, Gross Unrealized Gain	395	0
Available-for-sale Securities, Gross Unrealized Loss	0	0
Securities available‑for‑sale	$ 51,548	$ 0

XML

FDIC Loss Sharing Asset (Tables)

9 Months Ended

Sep. 30, 2015

FDIC Loss-Sharing Arrangements [Abstract]

Schedule of Composition of Loss Sharing Assets and True Up Liability

The following table presents information about the composition of the FDIC loss sharing asset, the true‑up liability, and the non‑single family and the single family covered assets as of the date indicated:

	September 30, 2015
						Western		San Luis
	Affinity			Los Padres		Commercial		Trust
	Bank			Bank		Bank		Bank		Total
	(In thousands)
FDIC loss sharing asset	$	(647	)	$	2,885	$	271	$	5,096	$	7,605
True‑up liability	N/A			N/A		$	1,810	$	5,692	$	7,502
Non-single family covered assets(1)	$	87,093		$	52,317	$	7,848	$	19,825	$	167,083
Single family covered assets	$	10,828		$	50,237	N/A		$	24,057	$	85,122
Loss sharing expiration dates:
Non‑single family	3rd Quarter 2014			3rd Quarter 2015		4th Quarter 2015		1st Quarter 2016
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021
Loss recovery expiration dates:
Non‑single family	3rd Quarter 2017			3rd Quarter 2018		4th Quarter 2018		1st Quarter 2019
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021

_________________________

(1) Excludes securities

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Foreclosed Assets (Tables)

9 Months Ended

Sep. 30, 2015

Other Real Estate Owned Net Covered and NonCovered Including Foreclosed Assets [Abstract]

Other Real Estate and Foreclosed Assets

The following table summarizes foreclosed assets at the dates indicated:

	September 30,		December 31,
Property Type:	2015		2014
	(In thousands)
Commercial real estate	$	3,558	$	2,449
Construction and land development	14,343		24,759
Multi‑family	3,481		4,823
Single family residence	1,663		3,392
Total other real estate owned, net	23,045		35,423
Other foreclosed assets	10,171		8,298
Total foreclosed assets, net(1)	$	33,216	$	43,721

_________________________

(1) As of September 30, 2015 and December 31, 2014, the amounts of covered foreclosed assets were $8.9 million and $9.3 million.

Other Foreclosed Assets Rollforward

The following table presents the changes in foreclosed assets, net of the valuation allowance, for the period indicated:

	Foreclosed
	Assets
	(In thousands)
Balance, December 31, 2014	$	43,721
Foreclosures	13,472
Provision for losses	(5,163		)
Reductions related to sales	(18,814		)
Balance, September 30, 2015	$	33,216

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Loans and Leases (Details 8) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract	Sep. 30, 2015 USD ($) Contract	Sep. 30, 2014 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	19	25	76	44
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 12,709	$ 13,736	$ 89,883	$ 26,020
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 12,709	$ 13,736	$ 89,489	$ 26,020
SBA Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	0	1	0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 64	$ 0	$ 64
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 64	$ 0	$ 64
Real Estate Mortgage Other Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	5	7	29	15
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 956	$ 10,496
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 956	$ 10,496
Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	3	0	6	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 7,333	$ 0	$ 16,948	$ 4,920
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 7,333	$ 0	$ 16,948	4,920
Collateralized Loan Obligations [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	1	9	13
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 3,431	$ 1,507		$ 4,853
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,431	$ 1,507	$ 8,138
Unsecured Commercial Member [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	9	3	12
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 883	$ 173	$ 1,190
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 883	$ 173	$ 1,190
Cash Flow [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract			4	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 566	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment			387	$ 0
Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract				0
Financing Receivable, Modifications, Pre-Modification Recorded Investment			53,338	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment			$ 53,338	$ 0
SBA Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	0	2	1	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 1,313	$ 0	$ 1,313
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 1,313	$ 0	$ 1,313
Consumer Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract	1	3	2	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 106	$ 183	$ 197	$ 307
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 106	$ 183	197	$ 307
Unsecured Commercial Member [Member] | NonCovered [Member] | Unsecured Commercial Member [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract				5
Financing Receivable, Modifications, Pre-Modification Recorded Investment				$ 211
Financing Receivable, Modifications, Post-Modification Recorded Investment				$ 211
Collateralized Loan Obligations [Member] | NonCovered [Member] | Collateralized Loan Obligations [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract				15
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 8,138
Financing Receivable, Modifications, Post-Modification Recorded Investment				$ 4,853
Equipment Finance Commercial Financing Receivable [Member] | NonCovered [Member] | Equipment Finance Commercial Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts | Contract			9
Real Estate Mortgage Other Receivable [Member] | NonCovered [Member] | Real Estate Mortgage Other Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 9,506	14,352
Financing Receivable, Modifications, Post-Modification Recorded Investment			$ 9,291	$ 14,352

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Investment Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 391,063	$ 106,602
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(5,494)	(882)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	44,605	173,724
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(1,093)	(2,720)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	435,668	280,326
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(6,587)	(3,602)
Government agency and government-sponsored enterprise pass through securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	17,968	10,711
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(95)	(13)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	9,552	27,100
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(101)	(359)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	27,520	37,811
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(196)	(372)
Government agency and government-sponsored enterprise collateralized mortgage obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	23,908
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	0	(73)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	14,444	40,652
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(421)	(1,007)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	14,444	64,560
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(421)	(1,080)
Covered private label collateralized mortgage obligation [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	1,111	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(44)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	589	1,000
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(66)	(95)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,700	1,000
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(110)	(95)
Other Private Label Collateralized Mortgage Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	1,296	1,618
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(2)	(93)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,099	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(38)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,395	1,618
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(40)	(93)
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	238,631	11,854
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(3,988)	(66)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	529	84,822
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(14)	(1,216)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	239,160	96,676
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(4,002)	(1,282)
Corporate Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	23,013	52,071
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(105)	(547)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,278	10,131
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(18)	(15)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	25,291	62,202
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(123)	(562)
Collateralized Loan Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	103,409
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(1,158)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	103,409
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	(1,158)
Other securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,635	6,440
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss	(102)	(90)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	16,114	10,019
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss	(435)	(28)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	21,749	16,459
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss	$ (537)	$ (118)

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Borrowings, Subordinated Debentures and Brokered Time Deposits (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of Debt

The following table summarizes our borrowings as of the dates indicated:

	September 30, 2015				December 31, 2014
	Amount		Rate		Amount		Rate
	(Dollars in thousands)
Non‑recourse debt	$	2,497	6.23	%	$	3,402	6.43	%
FHLB overnight advances	550,000		0.20	%	380,000		0.27	%
Total borrowings	$	552,497			$	383,402

Borrowings Subordinated Debentures And Brokered Deposits Disclosure

The following table summarizes the terms of each issuance of subordinated debentures outstanding as of the dates indicated:

	September 30, 2015					December 31, 2014					Date	Maturity	Rate Index
Series:	Amount			Rate		Amount			Rate		Issued	Date	(Quarterly Reset)
	(Dollars in thousands)
Trust V	$	10,310		3.43	%	$	10,310		3.33	%	8/15/2003	9/17/2033	3 month LIBOR + 3.10
Trust VI	10,310			3.39	%	10,310			3.29	%	9/3/2003	9/15/2033	3 month LIBOR + 3.05
Trust CII	5,155			3.29	%	5,155			3.19	%	9/17/2003	9/17/2033	3 month LIBOR + 2.95
Trust VII	61,856			3.05	%	61,856			2.98	%	2/5/2004	4/23/2034	3 month LIBOR + 2.75
Trust CIII	20,619			2.03	%	20,619			1.93	%	8/15/2005	9/15/2035	3 month LIBOR + 1.69
Trust FCCI	16,495			1.94	%	16,495			1.84	%	1/25/2007	3/15/2037	3 month LIBOR + 1.60
Trust FCBI	10,310			1.89	%	10,310			1.79	%	9/30/2005	12/15/2035	3 month LIBOR + 1.55
Trust CS 2005-1	82,475			2.29	%	82,475			2.19	%	11/21/2005	12/15/2035	3 month LIBOR + 1.95
Trust CS 2005-2	128,866			2.25	%	128,866			2.18	%	12/14/2005	1/30/2036	3 month LIBOR + 1.95
Trust CS 2006-1	51,545			2.25	%	51,545			2.18	%	2/22/2006	4/30/2036	3 month LIBOR + 1.95
Trust CS 2006-2	51,550			2.25	%	51,550			2.18	%	9/27/2006	10/30/2036	3 month LIBOR + 1.95
Trust CS 2006-3 (1)	28,822			2.03	%	31,188			2.14	%	9/29/2006	10/30/2036	3 month EURIBOR + 2.05
Trust CS 2006-4	16,470			2.25	%	16,470			2.18	%	12/5/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2006-5	6,650			2.25	%	6,650			2.18	%	12/19/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2007-2	39,177			2.25	%	39,177			2.18	%	6/13/2007	7/30/2037	3 month LIBOR + 1.95
Gross subordinated debentures	540,610					542,976
Unamortized discount (2)	(105,193		)			(109,393		)
Net subordinated debentures	$	435,417				$	433,583

___________________

(1) Denomination is in Euros with a value of €25.8 million.

(2) Amount represents the fair value adjustment on subordinated debentures assumed in acquisitions.

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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments Disclosure

The following table presents a summary of the financial instruments described above as of the dates indicated:

	September 30,		December 31,
	2015		2014
	(In thousands)
Loan commitments to extend credit	$	2,022,046	$	1,921,067
Standby letters of credit	104,073		88,495
Commitments to purchase equipment being acquired for lease to others	6,935		12,839
	$	2,133,054	$	2,022,401

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Organization

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

Organization    

PacWest Bancorp is a bank holding company registered under the Bank Holding Company Act of 1956, as amended. Our principal business is to serve as the holding company for our Los Angeles‑based wholly owned banking subsidiary, Pacific Western Bank, which we refer to as “Pacific Western” or the “Bank.” When we say “we,” “our,” or the “Company,” we mean PacWest Bancorp together with its subsidiaries on a consolidated basis. When we refer to “PacWest” or to the holding company, we are referring to PacWest Bancorp, the parent company, on a stand‑alone basis. As of September 30, 2015, the Company had total assets of $16.8 billion, gross loans and leases of $12.5 billion, total deposits of $12.1 billion and total stockholders' equity of $3.6 billion.

Pacific Western is a full-service commercial bank offering a broad range of banking products and services including accepting demand, money market, and time deposits and originating loans and leases, including an array of commercial real estate loans and commercial lending products. The Bank serves the financial needs of its customers through 80 full-service branches located primarily in Southern California extending from San Diego County to California’s Central Coast. The Bank also operates three banking offices in the San Francisco Bay area and four banking offices in the Central Valley. The Bank competes actively for relationship-based loans and deposits through its branch network, and emphasizes solicitation of noninterest-bearing deposits.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans and leases, cash flow loans, and real estate loans secured by various property types. The collateral for real estate loans includes healthcare properties, office properties, industrial properties, multi-family properties, hospitality properties, and retail properties. Our leasing operation, Pacific Western Equipment Finance, and our group specializing in asset-based lending, CapitalSource Business Finance Group, are part of the CapitalSource Division. Our commercial loan products include equipment loans and leases, asset based loans, loans to finance companies, and loans secured by borrower future cash flows, as well as other business-oriented products. Our loan and lease origination efforts are conducted through offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah. When we refer to "CapitalSource Inc.," we are referring to the company acquired on April 7, 2014, and when we refer to the "CapitalSource Division," we are referring to a division of the Bank that specializes in middle-market lending on a nationwide basis.

We generate our revenue primarily from interest received on loans and leases and, to a lesser extent, from interest received on investment securities, and fees received in connection with deposit services, extending credit and other services offered, including foreign exchange services. Our major operating expenses include interest paid by the Bank on deposits and borrowings, compensation and general operating expenses.

We have completed 27 acquisitions from May 2000 through September 30, 2015. Since 2000, our acquisitions have been accounted for using the acquisition method of accounting and, accordingly, the operating results of the acquired entities have been included in the consolidated financial statements from their respective acquisition dates. See Note 3, Acquisitions, for more information about the CapitalSource Inc. merger, and Note 16, Subsequent Events, for information regarding the completion of the Square 1 Financial, Inc. acquisition on October 6, 2015.

Significant Accounting Policies

Except as discussed below, our accounting policies are described in Note 1, Nature of Operations and Summary of Significant Accounting Policies, of our audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2014 as filed with the Securities and Exchange Commission ("Form 10-K").

Accounting Standard Adopted in 2015

Effective January 1, 2015, the Company adopted Accounting Standards Update 2014-01, new accounting guidance for investments in affordable housing projects that qualify for the low-income housing tax credit. As a result of the adoption of this new guidance, the Company made an accounting policy election to amortize the initial cost of its qualifying investments in proportion to the tax credits and other benefits received and to present the amortization as a component of income tax expense, referred to as the proportional amortization method. Previously, investments in low-income housing tax credits were accounted for under the equity method and such amortization was presented in other expense. The guidance was required to be applied retrospectively and accordingly, prior period amounts for other expense and tax expense have been revised to conform to the current period presentation. The revised amortization amounts for prior periods were not material.

The retrospective application of the adoption of the new accounting guidance for the proportional amortization method resulted in a cumulative effect on retained earnings of a reduction of $195,000.

Basis of Presentation

Our interim consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and pursuant to the requirements for reporting on Form 10-Q and Article 10 of Regulation S-X of the Securities Exchange Act of 1934. Accordingly, certain disclosures accompanying annual consolidated financial statements are omitted. In the opinion of management, all adjustments and eliminations, consisting solely of normal recurring accruals, considered necessary for the fair presentation of financial statements for the interim periods, have been included. The current period's results of operations are not necessarily indicative of the results that ultimately may be achieved for the year. The interim consolidated financial statements and notes thereto should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Form 10-K.

The accompanying financial statements reflect our consolidated accounts. All significant intercompany accounts and transactions have been eliminated.

Use of Estimates

We have made a number of estimates and assumptions related to the reporting of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period to prepare these condensed consolidated financial statements in conformity with U.S. GAAP. Material estimates subject to change in the near term include, among other items, the allowance for credit losses, the carrying value and useful lives of intangible assets, the carrying value of the FDIC loss sharing asset, the realization of deferred tax assets, and the fair value estimates of assets acquired and liabilities assumed in acquisitions. These estimates may be adjusted as more current information becomes available, and any adjustment may be significant.

As described in Note 3, Acquisitions, the acquired assets and liabilities of CapitalSource Inc. were measured at their estimated fair values. We made significant estimates and exercised significant judgment in estimating fair values and accounting for such acquired assets and assumed liabilities.

Reclassifications

Certain prior period amounts have been reclassified to conform to the current period's presentation format. On the condensed consolidated balance sheets, the "Other assets" category includes "FDIC loss sharing asset," which was previously reported as a separate category.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following tables present information on the assets measured and recorded at fair value on a recurring basis as of the dates indicated:

	Fair Value Measurements as of
	September 30, 2015
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	407,598	$	—	$	407,598	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	211,419		—		211,419		—
Covered private label CMOs	31,026		—		—		31,026
Other private label CMOs	7,262		—		7,262		—
Municipal securities	858,837		—		858,837		—
Corporate debt securities	47,396		—		47,396		—
Collateralized loan obligations	132,317		—		132,317		—
SBA loan pool securities	51,548		—		51,548		—
Government‑sponsored enterprise debt securities	37,524		—		37,524		—
Other securities	24,437		522		23,915		—
Total securities available-for-sale	1,809,364		522		1,777,816		31,026
Derivative assets	10,576		—		10,576		—
Total recurring assets	$	1,819,940	$	522	$	1,788,392	$	31,026
Derivative liabilities	$	526	$	—	$	526	$	—

	Fair Value Measurements as of
	December 31, 2014
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	535,672	$	—	$	535,672	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	277,946		—		277,946		—
Covered private label CMOs	33,947		—		—		33,947
Other private label CMOs	10,914		—		10,914		—
Municipal securities	536,116		—		536,116		—
Corporate debt securities	110,109		—		110,109		—
Government‑sponsored enterprise debt securities	36,757		—		36,757		—
Other securities	25,716		519		25,197		—
Total securities available-for-sale	1,567,177		519		1,532,711		33,947
Derivative assets	5,234		—		5,234		—
Total recurring assets	$	1,572,411	$	519	$	1,537,945	$	33,947
Derivative liabilities	$	118	$	—	$	118	$	—

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques

The following table presents information about quantitative inputs and assumptions used to determine the fair values provided by our third party pricing service for our Level 3 covered private label CMOs measured at fair value on a recurring basis as of September 30, 2015:

	Covered Private Label CMOs
		Weighted
	Range	Average
Unobservable Inputs:	of Inputs	Input
Voluntary annual prepayment speeds	0% - 19.31%	5.0%
Annual default rates	0% - 10.52%	2.6%
Loss severity rates	0% - 94.04%	32.8%
Discount rates	0% - 37.05%	5.6%

Fair Value, Assets Measured on Recurring Basis, Significant Unobservable Inputs (Level 3) Reconciliation

The following table summarizes activity for assets measured at fair value on a recurring basis that are categorized as Level 3 for the period indicated:

	Covered Private
	Label CMOs
	(In thousands)
Balance, December 31, 2014	$	33,947
Total realized in earnings	810
Total unrealized loss in comprehensive income	(945		)
Net settlements	(2,786		)
Balance, September 30, 2015	$	31,026

Assets carried at fair value on a nonrecurring basis

The following tables present assets measured at fair value on a non‑recurring basis as of the dates indicated:

	Fair Value Measurement as of
	September 30, 2015
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,622	$	—	$	2,556	$	40,066
Other real estate owned	14,679		—		14,619		60
Total non-recurring	$	57,301	$	—	$	17,175	$	40,126

	Fair Value Measurement as of
	December 31, 2014
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,693	$	—	$	2,366	$	40,327
Other real estate owned	24,015		—		18,400		5,615
Investments carried at cost	566		—		—		566
Total non-recurring	$	67,274	$	—	$	20,766	$	46,508

Net Losses (Gains) on Nonrecurring Assets

The following table presents losses recognized on assets measured on a nonrecurring basis for the periods indicated:

	Three Months Ended			Nine Months Ended
Loss on Assets Measured on a Non‑Recurring Basis:	September 30, 2015			September 30, 2015
	(In thousands)
Impaired Non‑PCI loans	$	(873	)	$	(7,623	)
Other real estate owned	(4,758		)	(4,882		)
Total net loss	$	(5,631	)	$	(12,505	)

Fair Value Inputs, Assets, Quantitative Information

The following table presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a nonrecurring basis as of September 30, 2015:

			Valuation	Unobservable		Weighted
Asset:	Fair Value		Technique	Inputs	Range	Average
	(In thousands)
Impaired Non-PCI loans	$	33,371	Discounted cash flows	Discount rates	0% - 9.04%	5.97%
	6,695		Third party appraisals	No discounts
Other real estate owned	60		Third party appraisals	Illiquidity discount	27.6% - 43.9%	32.9%
Total non-recurring Level 3	$	40,126

Fair Value, by Balance Sheet Grouping

The following tables present a summary of the carrying values and estimated fair values of certain financial instruments as of the dates indicated:

	September 30, 2015
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	154,652	$	154,652	$	154,652	$	—	$	—
Interest‑earning deposits in financial institutions	81,642		81,642		81,642		—		—
Securities available‑for‑sale	1,809,364		1,809,364		522		1,777,816		31,026
Investment in FHLB stock	17,250		17,250		—		17,250		—
Investments carried at cost	1,420		9,300		—		—		9,300
Loans and leases, net	12,348,934		12,254,393		—		2,556		12,251,837
Derivative assets	10,576		10,576		—		10,576		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	7,528,467		7,528,467		—		7,528,467		—
Time deposits	4,587,296		4,588,540		—		4,588,540		—
Borrowings	552,497		552,570		550,000		2,570		—
Subordinated debentures	435,417		419,180		—		419,180		—
Derivative liabilities	526		526		—		526		—

	December 31, 2014
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	164,757	$	164,757	$	164,757	$	—	$	—
Interest‑earning deposits in financial institutions	148,469		148,469		148,469		—		—
Securities available‑for‑sale	1,567,177		1,567,177		519		1,532,711		33,947
Investment in FHLB stock	40,609		40,609		—		40,609		—
Investments carried at cost	3,691		3,691		—		—		3,691
Investments accounted for under the equity method	21,461		21,700		—		—		21,700
Loans and leases, net	11,797,977		11,757,951		—		2,366		11,755,585
Derivative assets	5,234		5,234		—		5,234		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	6,256,190		6,256,190		—		6,256,190		—
Time deposits	5,498,938		5,502,479		—		5,502,479		—
Borrowings	383,402		383,539		380,000		3,539		—
Subordinated debentures	433,583		417,657		—		417,657		—
Derivative liabilities	118		118		—		118		—

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Goodwill and Other Intangible Assets (Details) - USD ($)	3 Months Ended	9 Months Ended
	Mar. 31, 2015	Sep. 30, 2015	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Subsequent Recognition of Deferred Tax Asset	$ 7,900,000	$ 7,901,000
Goodwill [Roll Forward]
Balance, December 31, 2014	$ 1,720,479,000	1,720,479,000
Adjustment to acquired CapitalSource Inc. deferred tax assets		0	$ 0
Balance, September 30, 2015		$ 1,728,380,000

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Loans and Leases (Details 5) - NonCovered [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 107,190	$ 83,621
Impaired Financing Receivable Performing Restructured Loans	39,956	35,244
Impaired Financing Receivable, Recorded Investment	147,146	118,865
Mortgage Loans on Real Estate [Member]
Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	31,821	37,612
Impaired Financing Receivable Performing Restructured Loans	27,293	20,245
Impaired Financing Receivable, Recorded Investment	59,114	57,857
Real Estate Construction [Member]
Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	374	1,559
Impaired Financing Receivable Performing Restructured Loans	7,673	8,996
Impaired Financing Receivable, Recorded Investment	8,047	10,555
Commercial Portfolio Segment [Member]
Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	71,616	40,965
Impaired Financing Receivable Performing Restructured Loans	4,767	5,744
Impaired Financing Receivable, Recorded Investment	76,383	46,709
Consumer Portfolio Segment [Member]
Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	3,379	3,485
Impaired Financing Receivable Performing Restructured Loans	223	259
Impaired Financing Receivable, Recorded Investment	$ 3,602	$ 3,744

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Fair Value Measurements (Details 2) - Level 3 - Private Label CMOs - Fair Value, Measurements, Recurring [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Level 3 CMO Roll Forward [Abstract]
Balance, December 31, 2014	$ 33,947
Total realized in earnings	810
Total unrealized loss in comprehensive income	(945)
Net settlements	(2,786)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value	$ 31,026
Minimum [Member]
Unobservable Inputs Quantitative Information [Abstract]
Fair Value Inputs, Prepayment Rate	0.00%
Fair Value Inputs, Probability of Default	0.00%
Fair Value Inputs, Loss Severity	0.00%
Fair Value Inputs, Discount Rate	0.00%
Maximum [Member]
Unobservable Inputs Quantitative Information [Abstract]
Fair Value Inputs, Prepayment Rate	19.31%
Fair Value Inputs, Probability of Default	10.52%
Fair Value Inputs, Loss Severity	94.04%
Fair Value Inputs, Discount Rate	37.05%
Weighted Average [Member]
Unobservable Inputs Quantitative Information [Abstract]
Fair Value Inputs, Prepayment Rate	5.00%
Fair Value Inputs, Probability of Default	2.60%
Fair Value Inputs, Loss Severity	32.80%
Fair Value Inputs, Discount Rate	5.60%

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Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Assets [Abstract]
Cash and due from banks	$ 154,652	$ 164,757
Interest-earning deposits in financial institutions	81,642	148,469
Total cash and cash equivalents	236,294	313,226
Securities available-for-sale, at fair value	1,809,364	1,567,177
Federal Home Loan Bank stock, at cost	17,250	40,609
Total investment securities	1,826,614	1,607,786
Gross loans and leases	12,493,397	11,904,684
Deferred fees and costs	(41,192)	(22,252)
Allowance for loan and lease losses	(103,271)	(84,455)
Total loans and leases, net	12,348,934	11,797,977
Equipment leased to others under operating leases	161,508	122,506
Premises and equipment, net	36,475	36,551
Foreclosed assets, net	33,216	43,721
Goodwill	1,728,380	1,720,479
Core deposit and customer relationship intangibles, net	12,704	17,204
Deferred tax asset, net	169,760	284,411
Other assets	260,220	290,744
Total assets	16,814,105	16,234,605
Liabilities and Equity [Abstract]
Noninterest-bearing deposits	3,508,682	2,931,352
Interest-bearing deposits	8,607,081	8,823,776
Total deposits	12,115,763	11,755,128
Borrowings	552,497	383,402
Subordinated debentures	435,417	433,583
Accrued interest payable and other liabilities	128,724	156,262
Total liabilities	13,232,401	12,728,375
Commitments and contingencies (Note 10)	0	0
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value, 200,000,000 shares authorized at September 30, 2015 and December 31, 2014; 104,431,508 and 104,219,197 shares issued, respectively, including 988,825 and 1,108,505 shares of unvested restricted stock, respectively)	1,044	1,042
Additional paid-in capital	3,665,173	3,807,167
Accumulated deficit	(57,934)	(285,712)
Treasury stock, at cost (1,377,814 and 1,197,180 shares at September 30, 2015 and December 31, 2014)	(51,038)	(42,647)
Accumulated other comprehensive income, net	24,459	26,380
Total stockholders' equity	3,581,704	3,506,230
Total liabilities and stockholders' equity	$ 16,814,105	$ 16,234,605

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Investment Securities (Details 3) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Due in one year or less	$ 9,304
Due after one year through five years	104,445
Due after five years through ten years	310,318
Due after ten years	1,344,119
Total securities available-for-sale	1,768,186	$ 1,522,871
Fair Value Disclosures [Abstract]
Due in one year or less	9,373
Due after one year through five years	106,653
Due after five years through ten years	321,663
Due after ten years	1,371,675
Total securities available-for-sale	$ 1,809,364	$ 1,567,177

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Consolidated Statement of Shareholders' Equity - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2014	$ 3,506,230	$ 1,042	$ 3,807,167	$ (285,712)	$ (42,647)	$ 26,380
Shares outstanding, beginning balance (shares) at Dec. 31, 2014		103,022,017
Stockholders' Equity Disclosure [Rollforward]
Net earnings	227,778			227,778
Other comprehensive loss-net unrealized loss on securities available-for-sale, net of tax	(1,921)	$ 0	0	0	0	(1,921)
Restricted stock awarded and earned stock compensation, net of shares forfeited	11,836	$ 2	11,834	0	0	0
Restricted stock awarded and earned compensation, net of shares forfeited (shares)		211,011
Restricted stock surrendered	(8,391)	$ 0	0	0	(8,391)	0
Restricted stock surrendered (shares)		(180,634)
Tax effect from vesting of restricted stock	596	$ 0	596	0	0	0
Cash dividends paid	(154,482)	0	(154,482)	0	0	0
Dividend reinvestment	58	$ 0	58	0	0	0
Dividend reinvestment (shares)		1,300
Ending Balance at Sep. 30, 2015	$ 3,581,704	$ 1,044	$ 3,665,173	$ (57,934)	$ (51,038)	$ 24,459
Shares outstanding, ending balance (shares) at Sep. 30, 2015		103,053,694

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Loans and Leases (Details 11) - Purchased Credit Impaired Loans and Leases [Member] - Covered [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	$ 276,792
Accretable yield	(106,856)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	182,334
Accretable yield	(92,027)
Carrying Amount [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	25,523
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Disposals of Loans	(121,439)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses, Decreases	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	1,458
Accretable Yield [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Line Items]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	25,523
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Disposals of Loans	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses, Decreases	(10,694)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	$ 0

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Organization (Details)		9 Months Ended
	Oct. 06, 2015 USD ($)	Sep. 30, 2015 USD ($) bank_branch acquisition	Dec. 31, 2014 USD ($)
General Introduction [Abstract]
Assets		$ 16,814,105,000	$ 16,234,605,000
Gross loans and leases		12,493,397,000	11,904,684,000
Total deposits		12,115,763,000	11,755,128,000
Total stockholders' equity		$ 3,581,704,000	3,506,230,000
Number of businesses acquired | acquisition		27
Start of acquisition activities		May 01, 2000
Retained Earnings [Member]
General Introduction [Abstract]
Total stockholders' equity		$ (57,934,000)	(285,712,000)
Other Organization Information [Abstract]
Cumulative effect of prospective application of new accounting principle			$ (195,000)
CapitalSource Inc. [Member] [Member]
General Introduction [Abstract]
Business Acquisition, Effective Date of Acquisition		Apr. 07, 2014
Square 1 Financial, Inc. [Member]
General Introduction [Abstract]
Assets		$ 21,000,000,000
Retail Branch Locations | bank_branch		80
Subsequent Event [Member]
General Introduction [Abstract]
Assets	$ 4,000,000,000
Subsequent Event [Member] | Square 1 Financial, Inc. [Member]
General Introduction [Abstract]
Business Acquisition, Effective Date of Acquisition	Oct. 06, 2015

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FDIC Loss Sharing Asset (Details Textual)	9 Months Ended
	Sep. 30, 2015
FDIC Loss-Sharing Arrangements [Abstract]
FDIC Indemnification rate on covered assets	80.00%
Recovery rate of assuming bank on covered assets	80.00%

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Recently Issued Accounting Standards

9 Months Ended

Sep. 30, 2015

Recently Issued Accounting Standards [Abstract]

Recently Issued Accounting Standards

Recently Issued Accounting Standards

In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, "Revenue Recognition (Topic 606): Revenue from Contracts with Customers." ASU 2014-09 requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. ASU 2014-09 will replace most existing revenue recognition guidance in GAAP when it becomes effective. The standard permits the use of either the retrospective or cumulative effect transition method. The Company is evaluating the effect that ASU 2014-09 will have on its financial statements and related disclosures. The Company has not yet selected a transition method nor has it determined the effect of the standard on its ongoing financial reporting. In August 2015, the FASB issued ASU 2015-14, "Revenue from Contracts with Customers (Topic 606): Deferral of the Effective Date," which deferred the effective date of ASU 2014-09 to annual and interim periods beginning after December 15, 2017. Early application is not permitted.

In June 2014, the FASB issued ASU 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." ASU 2014-12 will be effective for annual and interim periods beginning after December 15, 2015. ASU 2014-12 applies to all reporting entities that grant their employees share-based payments in which the terms of the award provide for a performance target that affects vesting could be achieved after the requisite service period. That is the case when an employee is eligible to retire or otherwise terminate employment before the end of the period in which a performance target (for example, an initial public offering or a profitability target) could be achieved and still be eligible to vest in the award if and when the performance target is achieved. We do not currently have outstanding performance-based awards and, as a result, ASU 2014-12 would not impact our financial statements and its related disclosures.

In January 2015, the FASB issued ASU 2015-01, "Income Statement - Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items," which eliminates the concept of extraordinary items from U.S. GAAP as part of its simplification initiative. Under ASU 2015-01, an entity will no longer separate out an extraordinary item from the results of ordinary operations and separately present this extraordinary item on its income statement, nor will related income tax and earnings-per-share data applicable to an extraordinary item need to be disclosed. Despite these simplifications, ASU 2015-01 does not affect disclosure guidance for events or transactions that are unusual in nature or infrequent in their occurrence. ASU 2015-01 is effective for annual periods beginning after December 15, 2015, and interim periods within those annual periods. The Company does not expect the effect of ASU 2015-01 to have a material impact on its financial statements and related disclosures.

In February 2015, the FASB issued ASU 2015-02, "Consolidation (Topic 810): Amendments to the Consolidation Analysis," which changes the way reporting enterprises evaluate whether (a) they should consolidate limited partnerships and similar entities, (b) fees paid to a decision maker or service provider are variable interests in a variable interest entity (VIE), and (c) variable interests in a VIE held by related parties of the reporting enterprise require the reporting enterprise to consolidate the VIE. It also eliminates the VIE consolidation model based on majority exposure to variability that applied to certain investment companies and similar entities. ASU 2015-2 is effective for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015. Early adoption is permitted, including adoption in an interim period. The Company does not expect the effect of ASU 2015-02 to have a material impact on its financial statements and related disclosures.

In April 2015, the FASB issued ASU 2015-03, "Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs" to modify the presentation of debt issuance costs.  Prior to ASU 2015-03, issuance costs were presented as an asset on the statement of financial position, which the FASB concluded was inconsistent with both IFRS as well as FASB Concept Statement No. 6. This ASU requires that issuance costs be presented as a direct deduction of debt balances on the statement of financial position, similar to the presentation of debt discounts. ASU 2015-03 is effective for public companies for years beginning after December 15, 2015, and interim periods within those fiscal periods. For all other entities, ASU 2015-03 is effective for years beginning after December 15, 2015 and interim periods within annual periods beginning after December 15, 2016, while early adoption is permitted for financial statements that have not already been issued. Additionally, the provisions should be applied on a retrospective basis as a change in accounting principle. ASU 2015-03 will not have an impact on the Company's financial statements and related disclosures.

Subsequent to the issuance of ASU 2015-03, the SEC staff made an announcement regarding the presentation and subsequent measurement of debt issuance costs associated with line-of-credit arrangements, which were not addressed in ASU 2015-03. In August 2015, the FASB codified the SEC announcement in the issuance of ASU 2015-15, "Interest - Imputation of Interest (Subtopic 835-30): Presentation and Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements." Per ASU 2015-15, for debt issuance costs related to line-of-credit arrangements, the SEC would not object to an entity deferring and presenting such costs as an asset and subsequently amortizing the costs ratably over the term of the line-of-credit arrangement, regardless of whether there were any outstanding borrowings on the line-of-credit arrangement. The SEC staff guidance is effective upon adoption of ASU 2015-03. ASU 2015-15 will not have an impact on the Company's financial statements and related disclosures.

In April 2015, the FASB issued ASU 2015-05, "Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement." Under ASU 2015-05, a customer should determine whether the arrangement includes a software license. If so, the customer should account for the software license component in a manner consistent with the accounting for other software licenses. If the arrangement does not include a software license, the arrangement should be accounted for as a service contract. The provisions of ASU 2015-05 must be applied by public entities to annual periods beginning after December 15, 2015 as well as interim periods within those annual periods. The Company does not expect the effect of ASU 2015-05 to have a material impact on its financial statements and related disclosures.

In May 2015, the FASB issued ASU 2015-08, "Business Combinations, Pushdown Accounting (Topic 805): Amendments to SEC Paragraphs Pursuant to Staff Accounting Bulletin No. 115" which revised the SEC's requirement for recognition and disclosure of a new basis of accounting (or pushdown accounting) for certain business combination situations. The Company does not expect ASU 2015-08 to have any impact on its financial statements and related disclosures.

In June 2015, the FASB issued ASU 2015-10, "Technical Corrections and Improvements" which is a set of wide-ranging, small corrections and improvements to clarify the Codification, correct unintended application of guidance, or improve the Codification. The provisions of ASU 2015-10 are effective for fiscal years beginning after December 15, 2015, as well as interim periods within those fiscal years.

In September 2015, the FASB issued ASU 2015-16, "Business Combinations (Topic 805): Simplifying the Accounting for Measurement-Period Adjustments," which eliminates the requirement for an acquirer to retrospectively adjust the financial statements for measurement-period adjustments that occur in periods after a business combination is consummated. ASU 2015-16 will be effective for annual and interim periods beginning after December 15, 2015. Early adoption is permitted. The Company does not expect ASU 2015-16 to have any impact on its financial statements and related disclosures.

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Discontinued Operations (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities	$ 13,232,401	$ 12,728,375
Electronic Payment Systems [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities	$ 16,900	$ 21,300

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Business Acquisition, Integration, Restructuring and Other Related Costs [Text Block]

The costs shown for the 2014 periods relate to the CapitalSource merger completed on April 7, 2014. The costs shown for the 2015 periods relate to the Square 1 acquisition completed on October 6, 2015. The following table presents the components of acquisition, integration and reorganization costs for the periods indicated.

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Acquisition, Integration and Reorganization Costs:
Severance and employee-related	$	—	$	—	$	340	$	—	$	54,601
System conversion and integration	427		—		412		427		1,535
Asset write-downs, lease terminations and
other facilities-related	—		—		150		—		5,853
Investment banking deal costs	—		—		—		1,050		16,117
Other (legal, accounting, insurance, consulting)	320		900		4,291		2,170		15,529
Total acquisition, integration and
reorganization costs	$	747	$	900	$	5,193	$	3,647	$	93,635

Schedule of Business Acquisitions, by Acquisition

The following assets acquired and liabilities assumed of CapitalSource Inc. are presented at their estimated fair values as of its April 7, 2014 acquisition date:

	CapitalSource Inc.
	(In thousands)
Assets Acquired:
Cash and due from banks	$	768,553
Interest‑earning deposits in financial institutions	60,612
Investment securities available‑for‑sale	382,797
FHLB stock	46,060
Loans and leases	6,877,427
Equipment leased to others under operating leases	160,015
Premises and equipment	12,663
Foreclosed assets	6,382
Income tax assets	304,856
Goodwill	1,526,282
Core deposit and customer relationship intangibles	6,720
Other assets	582,985
Total assets acquired	$	10,735,352
Liabilities Assumed:
Noninterest‑bearing deposits	$	4,631
Interest‑bearing deposits	6,236,419
Other borrowings	992,109
Subordinated debentures	300,918
Accrued interest payable and other liabilities	124,087
Total liabilities assumed	$	7,658,164
Total consideration paid	$	3,077,188
Summary of consideration:
Cash paid	$	483,118
PacWest common stock issued	2,594,070
Total	$	3,077,188

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Borrowings, Subordinated Debentures and Brokered Time Deposits (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Interest-bearing Domestic Deposit, Brokered	$ 461,100,000	$ 636,700,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Debt Instruments Weighted Average Remaining Maturity Period	2 years 3 months 20 days
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	$ 75,000,000
Line of Credit Facility, Amount Outstanding	0	0
Unsecured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	80,000,000
Unused lines of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	0	0
Certificate of Deposit Account Registry Service Program [Member]
Debt Instrument [Line Items]
Interest-bearing Domestic Deposit, Brokered	37,800,000	44,000,000
Federal Home Loan Bank of San Francisco [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	99,000,000
Line of Credit Facility, Amount Outstanding	0
Federal Reserve Bank Advances [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	2,000,000,000
Line of Credit Facility, Amount Outstanding	0	0
Loans Pledged as Collateral	2,600,000,000
Federal Home Loan Bank Advances [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Borrowing Capacity, Description	2,400,000,000
Line of Credit Facility, Amount Outstanding	$ 550,000,000	$ 380,000,000

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net earnings	$ 227,778	$ 97,906
Depreciation and amortization	33,239	28,434
Provision for credit losses	31,709	9,436
Loss (gain) on sale of foreclosed assets	42	(2,746)
Provision for losses on foreclosed assets	5,163	5,065
Gain On Sale of Non-PCI Loans and Leases	(190)	(594)
Gain on sale of premises and equipment	(54)	(1,523)
Gain on sale of securities	(3,744)	(4,841)
Unrealized gain on derivatives and foreign currencies, net	(909)	(2,393)
Earned stock compensation	11,836	33,641
Goodwill, Written off Related to Sale of Business Unit	0	6,645
Tax effect included in stockholders' equity of restricted stock vesting	(596)	(4,402)
Decrease in accrued and deferred income taxes, net	108,553	47,938
Decrease in other assets	15,786	14,341
Decrease in accrued interest payable and other liabilities	(25,336)	(79,644)
Net cash provided by operating activities	403,277	147,263
Net Cash Provided by (Used in) Investing Activities [Abstract]
Cash acquired in acquisitions, net of cash consideration	0	346,047
Net increase in loan and leases	(612,008)	(433,525)
Proceeds from sales of loans and leases	10,557	35,696
Proceeds from maturities and paydowns	93,389	95,039
Proceeds from sales	212,169	465,608
Purchases	(557,769)	(186,969)
Collections of securities sales proceeds receivable	0	484,084
Net redemptions of Federal Home Loan Bank stock	23,359	28,397
Proceeds from sales of foreclosed assets	18,772	20,097
Purchases of premises and equipment, net	(5,872)	(2,283)
Proceeds from sales of premises and equipment	108	3,759
Net (increase) decrease of equipment leased to others under operating leases	(26,174)	30,502
Net cash (used in) provided by investing activities	(843,469)	886,452
Net Cash Provided by (Used in) Financing Activities [Abstract]
Noninterest-bearing	573,101	420,478
Interest-bearing	(216,717)	(518,012)
Net increase (decrease) in borrowings	169,095	(742,109)
Restricted stock surrendered	(8,391)	(22,307)
Tax effect included in stockholders' equity of restricted vesting stock	596	4,402
Cash dividends paid	(154,424)	(62,727)
Net cash provided by (used in) financing activities	363,260	(920,275)
Net (decrease) increase in cash and cash equivalents	(76,932)	113,440
Cash and cash equivalents at beginning of period	313,226	147,422
Cash and cash equivalents at end of period	236,294	260,862
Noncash transactions from investing activities:
Cash paid for interest	51,218	23,959
Cash paid (received) for income taxes	13,760	(3,829)
Loans transferred to foreclosed assets	13,472	667
Partnership interest transferred to equipment leased to others under operating leases	20,833	0
Common stock issued in acquisitions	$ 0	$ 2,594,070

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Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Preferred stock par value (usd per share)	$ 0.01	$ 0.01
Preferred stock outstanding (shares)	5,000,000	5,000,000
Common Stock par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock issued (shares)	104,431,508	104,219,197
Unvested restricted shares (shares)	988,825	1,108,505
Treasury Stock (shares)	1,377,814	1,197,180

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Lending Commitments

The Company is a party to financial instruments with off‑balance sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments include commitments to extend credit, standby letters of credit, and commitments to purchase equipment being acquired for lease to others. Those instruments involve, to varying degrees, elements of credit risk in excess of the amount recognized in the condensed consolidated balance sheets. The contract or notional amounts of those instruments reflect the extent of involvement the Company has in particular classes of financial instruments.

The following table presents a summary of the financial instruments described above as of the dates indicated:

	September 30,		December 31,
	2015		2014
	(In thousands)
Loan commitments to extend credit	$	2,022,046	$	1,921,067
Standby letters of credit	104,073		88,495
Commitments to purchase equipment being acquired for lease to others	6,935		12,839
	$	2,133,054	$	2,022,401

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates 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.

Standby letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. We provide standby letters of credit in conjunction with several of our lending arrangements and property lease obligations. Most guarantees expire within one year from the date of issuance. If a borrower defaults on its commitments subject to any letter of credit issued under these arrangements, we would be required to meet the borrower's financial obligation but would seek repayment of that financial obligation from the borrower. In some cases, borrowers have pledged cash and investment securities as collateral with us under these arrangements.

In addition, the Company has investments in low income housing project partnerships, which provide the Company income tax credits, and in a few small business investment companies that call for capital contributions up to an amount specified in the partnership agreements. As of September 30, 2015 and December 31, 2014, the Company had commitments to contribute capital to these entities totaling $16.7 million and $11.0 million, respectively. We also had commitments to contribute up to an additional $2.8 million and $2.9 million to 11 private equity funds at September 30, 2015 and December 31, 2014, respectively.

Legal Matters

In the ordinary course of our business, the Company is party to various legal actions, which we believe are incidental to the operation of our business. The outcome of such legal actions and the timing of ultimate resolution are inherently difficult to predict. In the opinion of management, based upon currently available information, any resulting liability, in addition to amounts already accrued, would not have a material adverse effect on the Company’s financial statements or operations.

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 29, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	PACWEST BANCORP
Entity Central Index Key	0001102112
Document Period End Date	Sep. 30, 2015
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		120,201,464

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Fair Value Measurements

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

ASC Topic 820, “Fair Value Measurement,” defines fair value, establishes a framework for measuring fair value including a three‑level valuation hierarchy, and expands disclosures about fair value measurements. Fair value is defined as the exchange price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date reflecting assumptions that a market participant would use when pricing an asset or liability. The hierarchy uses three levels of inputs to measure the fair value of assets and liabilities as follows:

• Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets.

• Level 2: Observable inputs other than Level 1, including quoted prices for similar assets and liabilities in active markets, quoted prices in less active markets, or other observable inputs that can be corroborated by observable market data, either directly or indirectly, for substantially the full term of the financial instrument. This category generally includes government agency and government‑sponsored enterprise securities.

• Level 3: Inputs to a valuation methodology that are unobservable, supported by little or no market activity, and significant to the fair value measurement. These valuation methodologies generally include pricing models, discounted cash flow models, or a determination of fair value that requires significant management judgment or estimation. This category also includes observable inputs from a pricing service not corroborated by observable market data, and includes our covered private label CMOs.

We use fair value to measure certain assets and liabilities on a recurring basis, primarily securities available‑for‑sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered “nonrecurring” for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for impaired loans and other real estate owned and also to record impairment on certain assets, such as goodwill, core deposit intangibles, and other long‑lived assets.

The following tables present information on the assets measured and recorded at fair value on a recurring basis as of the dates indicated:

	Fair Value Measurements as of
	September 30, 2015
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	407,598	$	—	$	407,598	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	211,419		—		211,419		—
Covered private label CMOs	31,026		—		—		31,026
Other private label CMOs	7,262		—		7,262		—
Municipal securities	858,837		—		858,837		—
Corporate debt securities	47,396		—		47,396		—
Collateralized loan obligations	132,317		—		132,317		—
SBA loan pool securities	51,548		—		51,548		—
Government‑sponsored enterprise debt securities	37,524		—		37,524		—
Other securities	24,437		522		23,915		—
Total securities available-for-sale	1,809,364		522		1,777,816		31,026
Derivative assets	10,576		—		10,576		—
Total recurring assets	$	1,819,940	$	522	$	1,788,392	$	31,026
Derivative liabilities	$	526	$	—	$	526	$	—

	Fair Value Measurements as of
	December 31, 2014
Measured on a Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Securities available‑for‑sale:
Government agency and government‑sponsored enterprise
pass-through securities	$	535,672	$	—	$	535,672	$	—
Government agency and government‑sponsored enterprise
collateralized mortgage obligations	277,946		—		277,946		—
Covered private label CMOs	33,947		—		—		33,947
Other private label CMOs	10,914		—		10,914		—
Municipal securities	536,116		—		536,116		—
Corporate debt securities	110,109		—		110,109		—
Government‑sponsored enterprise debt securities	36,757		—		36,757		—
Other securities	25,716		519		25,197		—
Total securities available-for-sale	1,567,177		519		1,532,711		33,947
Derivative assets	5,234		—		5,234		—
Total recurring assets	$	1,572,411	$	519	$	1,537,945	$	33,947
Derivative liabilities	$	118	$	—	$	118	$	—

There were no transfers of assets either between Level 1 and Level 2 nor in or out of Level 3 of the fair value hierarchy for assets measured on a recurring basis during the nine months endedSeptember 30, 2015.

The following table presents information about quantitative inputs and assumptions used to determine the fair values provided by our third party pricing service for our Level 3 covered private label CMOs measured at fair value on a recurring basis as of September 30, 2015:

	Covered Private Label CMOs
		Weighted
	Range	Average
Unobservable Inputs:	of Inputs	Input
Voluntary annual prepayment speeds	0% - 19.31%	5.0%
Annual default rates	0% - 10.52%	2.6%
Loss severity rates	0% - 94.04%	32.8%
Discount rates	0% - 37.05%	5.6%

The following table summarizes activity for assets measured at fair value on a recurring basis that are categorized as Level 3 for the period indicated:

	Covered Private
	Label CMOs
	(In thousands)
Balance, December 31, 2014	$	33,947
Total realized in earnings	810
Total unrealized loss in comprehensive income	(945		)
Net settlements	(2,786		)
Balance, September 30, 2015	$	31,026

The following tables present assets measured at fair value on a non‑recurring basis as of the dates indicated:

	Fair Value Measurement as of
	September 30, 2015
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,622	$	—	$	2,556	$	40,066
Other real estate owned	14,679		—		14,619		60
Total non-recurring	$	57,301	$	—	$	17,175	$	40,126

	Fair Value Measurement as of
	December 31, 2014
Measured on a Non‑Recurring Basis:	Total		Level 1		Level 2		Level 3
	(In thousands)
Impaired Non‑PCI loans	$	42,693	$	—	$	2,366	$	40,327
Other real estate owned	24,015		—		18,400		5,615
Investments carried at cost	566		—		—		566
Total non-recurring	$	67,274	$	—	$	20,766	$	46,508

The following table presents losses recognized on assets measured on a nonrecurring basis for the periods indicated:

	Three Months Ended			Nine Months Ended
Loss on Assets Measured on a Non‑Recurring Basis:	September 30, 2015			September 30, 2015
	(In thousands)
Impaired Non‑PCI loans	$	(873	)	$	(7,623	)
Other real estate owned	(4,758		)	(4,882		)
Total net loss	$	(5,631	)	$	(12,505	)

The following table presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a nonrecurring basis as of September 30, 2015:

			Valuation	Unobservable		Weighted
Asset:	Fair Value		Technique	Inputs	Range	Average
	(In thousands)
Impaired Non-PCI loans	$	33,371	Discounted cash flows	Discount rates	0% - 9.04%	5.97%
	6,695		Third party appraisals	No discounts
Other real estate owned	60		Third party appraisals	Illiquidity discount	27.6% - 43.9%	32.9%
Total non-recurring Level 3	$	40,126

ASC Topic 825, “Financial Instruments,” requires disclosure of the estimated fair value of certain financial instruments and the methods and significant assumptions used to estimate such fair values. Additionally, certain financial instruments and all nonfinancial instruments are excluded from the applicable disclosure requirements.

The following tables present a summary of the carrying values and estimated fair values of certain financial instruments as of the dates indicated:

	September 30, 2015
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	154,652	$	154,652	$	154,652	$	—	$	—
Interest‑earning deposits in financial institutions	81,642		81,642		81,642		—		—
Securities available‑for‑sale	1,809,364		1,809,364		522		1,777,816		31,026
Investment in FHLB stock	17,250		17,250		—		17,250		—
Investments carried at cost	1,420		9,300		—		—		9,300
Loans and leases, net	12,348,934		12,254,393		—		2,556		12,251,837
Derivative assets	10,576		10,576		—		10,576		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	7,528,467		7,528,467		—		7,528,467		—
Time deposits	4,587,296		4,588,540		—		4,588,540		—
Borrowings	552,497		552,570		550,000		2,570		—
Subordinated debentures	435,417		419,180		—		419,180		—
Derivative liabilities	526		526		—		526		—

	December 31, 2014
	Carrying or Contract		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets:
Cash and due from banks	$	164,757	$	164,757	$	164,757	$	—	$	—
Interest‑earning deposits in financial institutions	148,469		148,469		148,469		—		—
Securities available‑for‑sale	1,567,177		1,567,177		519		1,532,711		33,947
Investment in FHLB stock	40,609		40,609		—		40,609		—
Investments carried at cost	3,691		3,691		—		—		3,691
Investments accounted for under the equity method	21,461		21,700		—		—		21,700
Loans and leases, net	11,797,977		11,757,951		—		2,366		11,755,585
Derivative assets	5,234		5,234		—		5,234		—
Financial Liabilities:
Deposits:
Demand, money market, interest checking, and savings deposits	6,256,190		6,256,190		—		6,256,190		—
Time deposits	5,498,938		5,502,479		—		5,502,479		—
Borrowings	383,402		383,539		380,000		3,539		—
Subordinated debentures	433,583		417,657		—		417,657		—
Derivative liabilities	118		118		—		118		—

For information regarding the valuation methodologies used to measure our assets recorded at fair value (under ASC Topic 820), and for estimating fair value for financial instruments not recorded at fair value (under ASC Topic 825), see Note 1 - Nature of Operations and Summary of Significant Accounting Policies and Note 14 - Fair ValueMeasurements to the Consolidated Financial Statements of the Company's 2014 Annual Report on Form 10-K.

Limitations

Fair value estimates are made at a specific point in time and are based on relevant market information and information about the financial instrument. These estimates do not reflect income taxes or any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a portion of the Company’s financial instruments, fair value estimates are based on what management believes to be reasonable judgments regarding expected future cash flows, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimated fair values are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates. Since the fair values have been estimated as of September 30, 2015, the amounts that will actually be realized or paid at settlement or maturity of the instruments could be significantly different.

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Business Segments (Details 1) - USD ($) $ in Thousands		Sep. 30, 2015		Dec. 31, 2014	Sep. 30, 2014	Apr. 07, 2014
Loans and Leases Receivable, Net of Deferred Income		$ 12,452,205		$ 11,882,432
Loans and Leases Receivable, Allowance		(103,271)		(84,455)
Total loans and leases, net		12,348,934		11,797,977
Goodwill		1,728,380		1,720,479
Core deposit and customer relationship intangibles, net		12,704		17,204
Assets		16,814,105		16,234,605
Total deposits		12,115,763		$ 11,755,128
Consolidated Entities [Member]
Loans and Leases Receivable, Net of Deferred Income		12,452,205			$ 11,574,885
Loans and Leases Receivable, Allowance		(103,271)			(81,899)
Total loans and leases, net		12,348,934			11,492,986
Goodwill	[1]	1,728,380			1,722,129
Core deposit and customer relationship intangibles, net		12,704			18,823
Assets		16,814,105			15,938,150
Total deposits		12,115,763			11,523,437
Operating Segments [Member] | Community Banking Segment [Member]
Loans and Leases Receivable, Net of Deferred Income		3,141,576			3,482,125
Loans and Leases Receivable, Allowance		(39,522)			(56,712)
Total loans and leases, net		3,102,054			3,425,413
Goodwill		333,979	[1]		327,728
Core deposit and customer relationship intangibles, net		12,143			17,814
Assets		6,288,790			6,492,674
Total deposits		12,484,050			11,826,681
Operating Segments [Member] | National Lending Segment [Member]
Loans and Leases Receivable, Net of Deferred Income		9,302,580			8,064,868
Loans and Leases Receivable, Allowance		(63,749)			(25,187)
Total loans and leases, net		9,238,831			8,039,681
Goodwill		1,394,401	[1]		1,394,401
Core deposit and customer relationship intangibles, net		561			1,009
Assets		10,418,282			9,182,617
Total deposits		36,586			0
Operating Segments [Member] | Other Segments [Member]
Loans and Leases Receivable, Net of Deferred Income		8,049			27,892
Loans and Leases Receivable, Allowance		0			0
Total loans and leases, net		8,049			27,892
Goodwill		0	[1]		0
Core deposit and customer relationship intangibles, net		0			0
Assets		107,033			262,859
Total deposits		$ (404,873)			$ (303,244)
Capitalsource, Inc. [Member]
Goodwill						$ 1,526,282

[1] The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

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Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Interest income:
Loans and leases	$ 193,539	$ 203,781	$ 189,961	$ 599,417	$ 459,625
Investment securities	13,955	14,570	12,331	40,720	35,140
Deposits in financial institutions	178	104	64	304	314
Total interest income	207,672	218,455	202,356	640,441	495,079
Interest expense:
Deposits	10,400	11,233	8,822	32,112	17,360
Borrowings	72	88	74	395	352
Subordinated debentures	4,680	4,582	4,614	13,787	9,973
Total interest expense	15,152	15,903	13,510	46,294	27,685
Net interest income	192,520	202,552	188,846	594,147	467,394
Provision for credit losses	8,746	6,529	5,050	31,709	9,436
Net interest income after provision for credit losses	183,774	196,023	183,796	562,438	457,958
Non-interest income:
Service charges on deposit accounts	2,601	2,612	2,725	7,787	8,446
Other commissions and fees	6,376	7,123	6,371	18,895	14,046
Leased equipment income	5,475	5,375	5,615	16,232	11,287
Gain on sale of loans and leases	27	163	973	190	594
Gain (loss) on sale of securities	655	(186)	0	3,744	4,841
FDIC loss sharing expense, net	(4,449)	(5,107)	(7,415)	(13,955)	(27,370)
Other income	5,073	9,643	8,045	23,359	17,640
Total noninterest income	15,758	19,623	16,314	56,252	29,484
Non-interest expense:
Compensation	48,152	49,033	45,861	144,922	119,569
Occupancy	10,762	10,588	11,188	31,950	29,861
Data processing	4,322	4,402	3,929	13,032	10,568
Other professional services	3,396	3,332	3,687	9,949	8,053
Insurance and assessments	3,805	4,716	3,020	11,546	7,792
Intangible asset amortization	1,497	1,502	1,608	4,500	4,649
Leased equipment depreciation	3,162	3,103	2,961	9,368	6,056
Foreclosed assets expense (income), net	4,521	(2,340)	4,827	2,517	3,463
Acquisition, integration and reorganization costs	747	900	5,193	3,647	93,635
Other expense	9,775	10,040	12,649	28,344	30,641
Total noninterest expense	90,139	85,276	94,923	259,775	314,287
Earnings from continuing operations before taxes	109,393	130,370	105,187	358,915	173,155
Income tax expense	(39,777)	(45,287)	(42,911)	(131,137)	(73,744)
Net earnings from continuing operations	69,616	85,083	62,276	227,778	99,411
Loss from discontinued operations before taxes	0	0	(8)	0	(2,572)
Income tax benefit	0	0	3	0	1,067
Net loss from discontinued operations	0	0	(5)	0	(1,505)
Net earnings	$ 69,616	$ 85,083	$ 62,271	$ 227,778	$ 97,906
Earnings Per Share, Basic [Abstract]
Net earnings from continuing operations (usd per share)	$ 0.68	$ 0.83	$ 0.60	$ 2.21	$ 1.20
Net earnings (usd per share)	0.68	0.83	0.60	2.21	1.18
Earnings Per Share, Diluted [Abstract]
Net earnings from continuing operations (usd per share)	0.68	0.83	0.60	2.21	1.20
Net earnings (usd per share)	0.68	0.83	0.60	2.21	1.18
Dividends [Abstract]
Dividends declared per share (usd per share)	$ 0.5	$ 0.5	$ 0.25	$ 1.50	$ 0.75

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Investment Securities

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities     

Securities Available-for-Sale

The following table presents amortized cost, gross unrealized gains and losses, and carrying values of securities available-for-sale as of the dates indicated:

	September 30, 2015									December 31, 2014
			Gross		Gross							Gross		Gross
	Amortized		Unrealized		Unrealized			Fair		Amortized		Unrealized		Unrealized			Fair
Security Type:	Cost		Gains		Losses			Value		Cost		Gains		Losses			Value
	(In thousands)
Residential mortgage-backed securities:
Government agency and
government-sponsored enterprise
pass-through securities	$	391,904	$	15,890	$	(196	)	$	407,598	$	515,902	$	20,142	$	(372	)	$	535,672
Government agency and
government-sponsored enterprise
collateralized mortgage obligations	206,380		5,460		(421		)	211,419		275,513		3,513		(1,080		)	277,946
Covered private label collateralized
mortgage obligations	24,914		6,222		(110		)	31,026		26,889		7,153		(95		)	33,947
Other private label collateralized
mortgage obligations	7,258		44		(40		)	7,262		10,961		46		(93		)	10,914
Municipal securities	844,782		18,057		(4,002		)	858,837		521,499		15,899		(1,282		)	536,116
Corporate debt securities	47,380		139		(123		)	47,396		110,074		597		(562		)	110,109
Collateralized loan obligations	133,159		316		(1,158		)	132,317		—		—		—			—
SBA loan pool securities	51,153		395		—			51,548		—		—		—			—
Government-sponsored enterprise debt
securities	36,284		1,240		—			37,524		36,232		525		—			36,757
Other securities	24,972		2		(537		)	24,437		25,801		33		(118		)	25,716
Total	$	1,768,186	$	47,765	$	(6,587	)	$	1,809,364	$	1,522,871	$	47,908	$	(3,602	)	$	1,567,177

Other securities consist primarily of asset‑backed securities.

As of September 30, 2015, securities available‑for‑sale with a carrying value of $366.2 million were pledged as collateral for borrowings, public deposits and other purposes as required by various statutes and agreements.

During the nine months endedSeptember 30, 2015 and 2014, we purchased $557.8 million and $187.0 million in securities available-for-sale.

During the nine months endedSeptember 30, 2015, we sold $49.9 million of government agency and government-sponsored enterprise ("GSE") CMOs for a gain of $609,000, $30.7 million of municipal securities for a gain of $744,000, $67.5 million in corporate debt securities for a loss of $232,000 and $60.3 million in GSE pass-through securities for a gain of $2.6 million. During the nine months endedSeptember 30, 2014, we sold $137.3 million of GSE pass-through securities for a realized gain of $4.8 million and $797,000 in other securities for a realized gain of $89,000. In addition, we sold $323.6 million of the $382.8 million of securities obtained in the CapitalSource Inc. merger for no gain or loss.

Unrealized Losses on Securities Available-for-Sale

The following tables present the gross unrealized losses and fair values of securities available-for-sale that were in unrealized loss positions, for which other-than-temporary impairments have not been recognized in earnings, as of the dates indicated:

	September 30, 2015
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	17,968	$	(95	)	$	9,552	$	(101	)	$	27,520	$	(196	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	—		—			14,444		(421		)	14,444		(421		)
Covered private label collateralized
mortgage obligations	1,111		(44		)	589		(66		)	1,700		(110		)
Other private label collateralized
mortgage obligations	1,296		(2		)	1,099		(38		)	2,395		(40		)
Municipal securities	238,631		(3,988		)	529		(14		)	239,160		(4,002		)
Corporate debt securities	23,013		(105		)	2,278		(18		)	25,291		(123		)
Collateralized loan obligations	103,409		(1,158		)	—		—			103,409		(1,158		)
Other securities	5,635		(102		)	16,114		(435		)	21,749		(537		)
Total	$	391,063	$	(5,494	)	$	44,605	$	(1,093	)	$	435,668	$	(6,587	)

	December 31, 2014
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	10,711	$	(13	)	$	27,100	$	(359	)	$	37,811	$	(372	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	23,908		(73		)	40,652		(1,007		)	64,560		(1,080		)
Covered private label collateralized
mortgage obligations	—		—			1,000		(95		)	1,000		(95		)
Other private label collateralized
mortgage obligations	1,618		(93		)	—		—			1,618		(93		)
Municipal securities	11,854		(66		)	84,822		(1,216		)	96,676		(1,282		)
Corporate debt securities	52,071		(547		)	10,131		(15		)	62,202		(562		)
Other securities	6,440		(90		)	10,019		(28		)	16,459		(118		)
Total	$	106,602	$	(882	)	$	173,724	$	(2,720	)	$	280,326	$	(3,602	)

We reviewed the securities that were in a loss position at September 30, 2015, and concluded their unrealized losses were a result of the level of market interest rates relative to the types of securities and pricing changes caused by shifting supply and demand dynamics and not a result of downgraded credit ratings or other indicators of deterioration of the underlying issuers' ability to repay. Accordingly, we determined the securities were temporarily impaired and we did not recognize such impairment in the condensed consolidated statements of earnings. Although we occasionally sell securities for portfolio management purposes, we do not foresee having to sell any temporarily impaired securities strictly for liquidity needs and believe that it is more likely than not we would not be required to sell any temporarily impaired securities before recovery of their amortized cost.

Contractual Maturities

The following table presents the contractual maturities of our available-for-sale securities portfolio based on amortized cost and carrying value as of the date indicated:

	September 30, 2015
	Amortized		Fair
Maturity:	Cost		Value
	(In thousands)
Due in one year or less	$	9,304	$	9,373
Due after one year through five years	104,445		106,653
Due after five years through ten years	310,318		321,663
Due after ten years	1,344,119		1,371,675
Total securities available-for-sale	$	1,768,186	$	1,809,364

Mortgage-backed securities have contractual terms to maturity, but require periodic payments to reduce principal. In addition, expected maturities may differ from contractual maturities because obligors and/or issuers may have the right to call or prepay obligations with or without call or prepayment penalties.

FHLB Stock

At September 30, 2015, we had a $17.3 million investment in Federal Home Loan Bank of San Francisco ("FHLB") stock carried at cost. During the nine months endedSeptember 30, 2015, the carrying value of FHLB stock decreased by $23.4 million due to $27.3 million in redemptions, offset partially by $3.9 million in purchases. We evaluated the carrying value of our FHLB stock investment at September 30, 2015, and determined that it was not impaired. Our evaluation considered the long-term nature of the investment, the current financial and liquidity position of the FHLB, repurchase activity of excess stock by the FHLB at its carrying value, the return on the investment from recurring dividends and our intent and ability to hold this investment for a period of time sufficient to recover our recorded investment. The FHLB paid us a special dividend of $1.4 million in the second quarter of 2015.

Interest Income on Investment Securities

The following table presents the composition of our interest income on investment securities for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Taxable interest	$	7,323	$	7,577	$	7,850	$	22,373	$	22,438
Non-taxable interest	6,058		4,808		3,343		14,760		10,004
Dividend income	574		2,185		1,138		3,587		2,698
Total interest income on investment securities	$	13,955	$	14,570	$	12,331	$	40,720	$	35,140

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets Disclosure

Goodwill and Other Intangible Assets

Goodwill arises from the acquisition method of accounting for business combinations and represents the excess of the purchase price over the fair value of the net assets and other identifiable intangible assets acquired. Our intangible assets with definite lives are core deposit intangibles ("CDI") and customer relationship intangibles ("CRI"). In the first quarter of 2015, we finalized the estimated fair value of the deferred tax assets acquired in the CapitalSource Inc. merger that resulted in a $7.9 million increase to goodwill.

Goodwill and other intangible assets deemed to have indefinite lives generated from business combinations are not subject to amortization and are instead tested for impairment no less than annually. Impairment exists when the carrying value of goodwill exceeds its implied fair value. An impairment loss would be recognized in an amount equal to that excess and would be included in “Noninterest expense” in the condensed consolidated statements of earnings. No impairment losses were recognized during the nine months endedSeptember 30, 2015 and 2014.

CDI and CRI are amortized over their respective estimated useful lives and reviewed for impairment at least quarterly. The amortization expense represents the estimated decline in the value of the underlying deposits or loan and lease customers acquired. The weighted average amortization period remaining for all of our CDI and CRI as of September 30, 2015 is 3.8 years. The aggregate CDI and CRI amortization expense is expected to be $6.0 million for 2015. The estimated aggregate amortization expense related to these intangible assets for each of the next five years is $4.1 million for 2016, $2.3 million for 2017, $2.0 million for 2018, $1.7 million for 2019, and $953,000 for 2020.

The following table presents the changes in the carrying amount of goodwill for the period indicated:    

	Goodwill
	(In thousands)
Balance, December 31, 2014	$	1,720,479
Adjustment to acquired CapitalSource Inc. deferred tax assets	7,901
Balance, September 30, 2015	$	1,728,380

The following table presents the changes in CDI and CRI and the related accumulated amortization for the periods indicated:

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,
	2015			2015			2014			2015			2014
	(In thousands)
Gross Amount of CDI and CRI:
Balance, beginning of period	$	53,090		$	53,090		$	53,090		$	53,090		$	48,963
Additions	—			—			—			—			6,720
Fully amortized portion	—			—			—			—			(1,293		)
Write-off due to the asset financing segment reorganization	—			—			—			—			(1,300		)
Balance, end of period	53,090			53,090			53,090			53,090			53,090
Accumulated Amortization:
Balance, beginning of period	(38,889		)	(37,387		)	(32,659		)	(35,886		)	(31,715		)
Amortization	(1,497		)	(1,502		)	(1,608		)	(4,500		)	(4,649		)
Fully amortized portion	—			—			—			—			1,293
Write-off due to the asset financing segment reorganization	—			—			—			—			804
Balance, end of period	(40,386		)	(38,889		)	(34,267		)	(40,386		)	(34,267		)
Net CDI and CRI, end of period	$	12,704		$	14,201		$	18,823		$	12,704		$	18,823

In the second quarter of 2014, we wrote-off $6.6 million of goodwill and $0.5 million of CRI related to the reorganization of the Company's asset financing segment, which included the sale of Celtic Capital Corporation. These amounts are included in "Acquisition, integration and reorganization costs" in the condensed consolidated statements of earnings.

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Subsequent Events

9 Months Ended

Sep. 30, 2015

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

Square 1 Financial, Inc. Acquisition

On October 6, 2015, PacWest completed the acquisition of Square 1 Financial, Inc. ("Square 1"). As part of the acquisition, Square 1 Bank, a wholly-owned subsidiary of Square 1, merged with and into PacWest's wholly-owned banking subsidiary, Pacific Western Bank, and the surviving subsidiary bank is Pacific Western Bank. As of September 30, 2015, Square 1 had $4.0 billion in assets.

Upon closing, we formed the Square 1 Bank Division of Pacific Western Bank. The Square 1 Bank Division will continue its nationwide focus on venture-backed companies and venture capital firms, and will continue to offer a full spectrum of deposit, treasury management, and lending products.

Under the terms of the definitive agreement, Square 1 stockholders received 0.5597 of a share of PacWest common stock for each share of Square 1 common stock and holders of stock options and restricted stock units received cash consideration as described in the agreement. PacWest issued an aggregate of approximately 18.1 million shares of PacWest common stock to Square 1 stockholders and a total of $17.8 million to Square 1 equity award holders in satisfaction of all outstanding equity awards. Based on the closing price of PacWest's common stock on October 6, 2015 of $43.97 per share, the aggregate consideration paid to Square 1 common stockholders and holders of equity awards to acquire Square 1 common stock was approximately $815 million. Former holders of Square 1 common stock as a group received shares of PacWest common stock in the acquisition constituting approximately 15.0% of the outstanding shares of PacWest common stock immediately after the acquisition.

Square 1 Bank was a commercial bank headquartered in Durham, North Carolina. Square 1 Bank offered a comprehensive suite of financial services focused on entrepreneurial businesses and their venture capital and private equity investors, with offices located in all key innovative hubs across the United States. We completed the acquisition to improve our core deposits, expand the Company's nationwide lending platform, and increase the Company's presence in the technology and life-sciences credit markets.

As of September 30, 2015, on a pro forma combined basis with Square 1 and excluding purchase accounting adjustments, PacWest would have had approximately $21 billion in assets with 80 branches throughout California and one branch in North Carolina.

Common Stock Dividends

On November 2, 2015, the Company announced that the Board of Directors had declared a quarterly cash dividend of $0.50 per common share. The cash dividend is payable on November 30, 2015 to stockholders of record at the close of business on November 16, 2015.

We have evaluated events that have occurred subsequent to September 30, 2015 and have concluded there are no other subsequent events that would require recognition in the accompanying consolidated financial statements.

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Earnings Per Share

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table presents the computations of basic and diluted net earnings per share for the periods indicated:

			Three Months Ended									Nine Months Ended
			September 30,			June 30,			September 30,			September 30,
			2015			2015			2014			2015			2014
			(Dollars in thousands, except per share data)
Basic Earnings Per Share:
	Net earnings from continuing operations		$	69,616		$	85,083		$	62,276		$	227,778		$	99,411
	Less:	Earnings allocated to unvested restricted stock(1)	(649		)	(807		)	(685		)	(2,213		)	(1,147		)
	Net earnings from continuing operations allocated to common shares		68,967			84,276			61,591			225,565			98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares and unvested restricted
	stock outstanding		103,048			103,030			103,029			103,038			82,758
	Less:	Weighted-average unvested restricted stock outstanding	(985		)	(1,060		)	(1,117		)	(1,055		)	(981		)
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Basic earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18
Diluted Earnings Per Share:
	Net earnings from continuing operations allocated to common shares		$	68,967		$	84,276		$	61,591		$	225,565		$	98,264
	Net loss from discontinued operations allocated to common shares		—			—			(5		)	—			(1,487		)
	Net earnings allocated to common shares		$	68,967		$	84,276		$	61,586		$	225,565		$	96,777
	Weighted-average basic shares outstanding		102,063			101,970			101,912			101,983			81,777
	Diluted earnings per share:
	Net earnings from continuing operations		$	0.68		$	0.83		$	0.60		$	2.21		$	1.20
	Net loss from discontinued operations		—			—			—			—			(0.02		)
	Net earnings		$	0.68		$	0.83		$	0.60		$	2.21		$	1.18

________________________

(1) Represents cash dividends paid to holders of unvested restricted stock, net of estimated forfeitures, plus undistributed earnings amounts available to holders of unvested restricted stock, if any.

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FDIC Loss Sharing Asset

9 Months Ended

Sep. 30, 2015

FDIC Loss-Sharing Arrangements [Abstract]

FDIC Loss Sharing Asset

FDIC Loss Sharing Asset

We are a party to four loss sharing agreements with the FDIC. Such agreements cover a substantial portion of losses incurred on acquired covered loans and other real estate owned. The loss sharing agreements relate to the acquisitions of: (1) Affinity Bank ("Affinity") in August 2009, (2) Los Padres Bank ("Los Padres") in August 2010, (3) Western Commercial Bank ("Western Commercial") in connection with the May 2013 FCAL acquisition, and (4) San Luis Trust Bank ("San Luis") in connection with the May 2013 FCAL acquisition. Generally, under the terms of the loss sharing agreements, the FDIC is responsible for 80% of losses in connection with covered assets and is entitled to receive 80% of loss recoveries on the covered assets during the applicable contractual periods. The loss sharing provisions for the Affinity Bank non-single family covered assets expired in the third quarter of 2014 so further activity will be limited to recoveries through the third quarter of 2017. The loss sharing provisions for the Los Padres Bank non-single family covered assets expired in the third quarter of 2015 so further activity will be limited to recoveries through the third quarter of 2018.

Both the Western Commercial and San Luis loss sharing agreements contain true-up provisions, under which we will owe the FDIC amounts at the end of the loss sharing agreements based on the performance of the covered assets. The true-up liability is included in "Accrued interest payable and other liabilities" in the condensed consolidated balance sheets.

The following table presents information about the composition of the FDIC loss sharing asset, the true‑up liability, and the non‑single family and the single family covered assets as of the date indicated:

	September 30, 2015
						Western		San Luis
	Affinity			Los Padres		Commercial		Trust
	Bank			Bank		Bank		Bank		Total
	(In thousands)
FDIC loss sharing asset	$	(647	)	$	2,885	$	271	$	5,096	$	7,605
True‑up liability	N/A			N/A		$	1,810	$	5,692	$	7,502
Non-single family covered assets(1)	$	87,093		$	52,317	$	7,848	$	19,825	$	167,083
Single family covered assets	$	10,828		$	50,237	N/A		$	24,057	$	85,122
Loss sharing expiration dates:
Non‑single family	3rd Quarter 2014			3rd Quarter 2015		4th Quarter 2015		1st Quarter 2016
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021
Loss recovery expiration dates:
Non‑single family	3rd Quarter 2017			3rd Quarter 2018		4th Quarter 2018		1st Quarter 2019
Single family	3rd Quarter 2019			3rd Quarter 2020		N/A		1st Quarter 2021

_________________________

(1) Excludes securities

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Loans and Leases (Details 12) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	$ 193,289	$ 290,791
Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	56,014	132,288
Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	137,275	158,503
Mortgage Loans on Real Estate [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	184,704	256,442
Mortgage Loans on Real Estate [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	48,987	101,161
Mortgage Loans on Real Estate [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	135,717	155,281
Real Estate Construction [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	2,686	6,911
Real Estate Construction [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	1,254	3,901
Real Estate Construction [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	1,432	3,010
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	5,606	27,154
Commercial Portfolio Segment [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	5,480	26,942
Commercial Portfolio Segment [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	126	212
Consumer Portfolio Segment [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
Loans And Leases PCI Net Of Discounts And Earned Income	293	284
Consumer Portfolio Segment [Member] | Nonclassified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	293	284
Consumer Portfolio Segment [Member] | Classified [Member]
Financing Receivable Recorded Investment By Credit Risk [Line Items]
PCI loans	$ 0	$ 0

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Loans and Leases

9 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Loans and Leases

Loans and Leases

The Company’s loan and lease portfolio includes originated and purchased loans and leases. Originated and purchased loans and leases for which there was no evidence of credit deterioration at their acquisition date and for which it was probable that all contractually required payments would be collected, are referred to collectively as non-purchased credit impaired loans, or "Non-PCI loans." Purchased loans for which there was, at the acquisition date, evidence of credit deterioration since their origination and for which it was deemed probable that we would be unable to collect all contractually required payments, are referred to as purchased credit impaired loans, or "PCI loans".

Non-PCI loans are carried at the principal amount outstanding, net of deferred fees and costs, and in the case of acquired loans, net of purchase discounts and premiums. Deferred fees and costs and purchase discounts and premiums are recognized as an adjustment to interest income over the contractual life of the loans using the effective interest method or taken into income on an accelerated basis when the related loans are paid off or sold.

PCI loans are accounted for in accordance with ASC Subtopic 310‑30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality". For PCI loans, at the time of acquisition we (i) calculate the contractual amount and timing of undiscounted principal and interest payments (the "undiscounted contractual cash flows") and (ii) estimate the amount and timing of undiscounted expected principal and interest payments (the "undiscounted expected cash flows"). The difference between the undiscounted contractual cash flows and the undiscounted expected cash flows is the nonaccretable difference. The difference between the undiscounted cash flows expected to be collected and the estimated fair value of the acquired loans is the accretable yield. The nonaccretable difference represents an estimate of the loss exposure of principal and interest related to the PCI loan portfolio; such amount is subject to change over time based on the performance of such loans. The carrying value of PCI loans is reduced by payments received, both principal and interest, and increased by the portion of the accretable yield recognized as interest income.

The following table summarizes the composition of our loan and lease portfolio as of the dates indicated:

	September 30, 2015									December 31, 2014
	Non-PCI									Non-PCI
	Loans			PCI						Loans			PCI
	and Leases			Loans			Total			and Leases			Loans			Total
	(In thousands)
Real estate mortgage	$	5,521,291		$	184,751		$	5,706,042		$	5,350,827		$	256,489		$	5,607,316
Real estate construction and land	376,197			2,690			378,887			309,162			6,924			316,086
Commercial	6,272,807			5,606			6,278,413			5,852,420			27,155			5,879,575
Consumer	129,762			293			130,055			101,423			284			101,707
Total gross loans and leases	12,300,057			193,340			12,493,397			11,613,832			290,852			11,904,684
Deferred fees and costs	(41,141		)	(51		)	(41,192		)	(22,191		)	(61		)	(22,252		)
Total loans and leases, net of deferred fees	12,258,916			193,289			12,452,205			11,591,641			290,791			11,882,432
Allowance for loan and lease losses	(92,316		)	(10,955		)	(103,271		)	(70,456		)	(13,999		)	(84,455		)
Total net loans and leases	$	12,166,600		$	182,334		$	12,348,934		$	11,521,185		$	276,792		$	11,797,977

The following tables present a summary of the activity in the allowance for loan and lease losses on Non‑PCI loans and leases by portfolio segment and PCI loans for the periods indicated:

	Three Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	29,908		$	3,908	$	50,531		$	700		$	85,047		$	14,328		$	99,375
Charge-offs	(252		)	—		(4,035		)	(25		)	(4,312		)	(1,119		)	(5,431		)
Recoveries	288			390		239			164			1,081			—			1,081
Provision (negative provision)	4,355			93		6,137			(85		)	10,500			(2,254		)	8,246
Balance, end of period	$	34,299		$	4,391	$	52,872		$	754		$	92,316		$	10,955		$	103,271

	Nine Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction									Total			Total
	Mortgage			and Land			Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	25,097		$	4,248		$	39,858		$	1,253		$	70,456		$	13,999		$	84,455
Charge-offs	(1,767		)	—			(12,964		)	(115		)	(14,846		)	(1,698		)	(16,544		)
Recoveries	1,783			1,034			2,393			392			5,602			112			5,714
Provision (negative provision)	9,186			(891		)	23,585			(776		)	31,104			(1,458		)	29,646
Balance, end of period	$	34,299		$	4,391		$	52,872		$	754		$	92,316		$	10,955		$	103,271
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,443		$	31		$	10,343		$	158		$	11,975
Collectively evaluated for impairment	$	32,856		$	4,360		$	42,529		$	596		$	80,341
Acquired loans with deteriorated credit quality																$	10,955
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,393		$	8,047		$	76,088		$	3,540		$	146,068
Collectively evaluated for impairment	$	5,446,694		$	364,433		$	6,175,440		$	126,281		$	12,112,848
Acquired loans with deteriorated credit quality																$	193,289
Ending balance of
loans and leases	$	5,505,087		$	372,480		$	6,251,528		$	129,821		$	12,258,916		$	193,289		$	12,452,205

	Three Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	22,276		$	4,302	$	35,530		$	3,415		$	65,523		$	16,626		$	82,149
Charge-offs	(395		)	—		(7,282		)	(171		)	(7,848		)	(108		)	(7,956		)
Recoveries	1,312			24		337			52			1,725			—			1,725
Provision (negative provision)	3,810			1,591		422			(2,139		)	3,684			2,297			5,981
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899

	Nine Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	26,078		$	4,298	$	26,921		$	2,944		$	60,241		$	21,793		$	82,034
Charge-offs	(976		)	—		(9,049		)	(203		)	(10,228		)	(4,712		)	(14,940		)
Recoveries	1,949			112		1,301			294			3,656			51			3,707
Provision (negative provision)	(48		)	1,507		9,834			(1,878		)	9,415			1,683			11,098
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,568		$	119	$	7,654		$	34		$	9,375
Collectively evaluated for impairment	$	25,435		$	5,798	$	21,353		$	1,123		$	53,709
Acquired loans with deteriorated credit quality															$	18,815
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,041		$	12,621	$	46,143		$	3,448		$	120,253
Collectively evaluated for impairment	$	5,340,203		$	270,446	$	5,387,644		$	104,960		$	11,103,253
Acquired loans with deteriorated credit quality															$	351,379
Ending balance of
loans and leases	$	5,398,244		$	283,067	$	5,433,787		$	108,408		$	11,223,506		$	351,379		$	11,574,885

Non‑Purchased Credit Impaired (Non‑PCI) Loans and Leases

The following table presents the credit risk rating categories for Non‑PCI loans and leases by portfolio segment and class as of the dates indicated. Nonclassified loans and leases are those with a credit risk rating of either pass or special mention, while classified loans and leases are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	10,695	$	613,452	$	624,147	$	17,761	$	542,458	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	56,981		4,425,233		4,482,214		68,084		4,336,330		4,404,414
Total real estate mortgage	79,358		5,425,729		5,505,087		96,986		5,243,574		5,340,560
Real estate construction and land:
Residential	1,407		143,834		145,241		402		96,326		96,728
Commercial	584		226,655		227,239		3,346		207,061		210,407
Total real estate construction and land	1,991		370,489		372,480		3,748		303,387		307,135
Commercial:
Collateralized	17,147		341,942		359,089		22,433		416,754		439,187
Unsecured	2,357		124,214		126,571		1,323		130,501		131,824
Asset-based	3,838		2,018,591		2,022,429		11,547		1,783,304		1,794,851
Cash flow	163,589		2,636,965		2,800,554		83,321		2,376,530		2,459,851
Equipment finance	53,153		841,624		894,777		15,973		953,516		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	243,002		6,008,526		6,251,528		137,804		5,704,659		5,842,463
Consumer	3,687		126,134		129,821		4,073		97,410		101,483
Total Non-PCI loans and leases	$	328,038	$	11,930,878	$	12,258,916	$	242,611	$	11,349,030	$	11,591,641

In addition to our internal risk rating process, our federal and state banking regulators, as an integral part of their examination process, periodically review the Company’s loan and lease risk rating classifications. Our regulators may require the Company to recognize rating downgrades based on their judgments related to information available to them at the time of their examinations. Risk rating downgrades generally result in higher allowances for credit losses.

The following tables present an aging analysis of our Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	779	$	—	$	779	$	623,368	$	624,147
SBA	276		8,661		8,937		389,789		398,726
Other	4,022		7,276		11,298		4,470,916		4,482,214
Total real estate mortgage	5,077		15,937		21,014		5,484,073		5,505,087
Real estate construction and land:
Residential	—		—		—		145,241		145,241
Commercial	—		—		—		227,239		227,239
Total real estate construction and land	—		—		—		372,480		372,480
Commercial:
Collateralized	425		140		565		358,524		359,089
Unsecured	57		—		57		126,514		126,571
Asset-based	—		—		—		2,022,429		2,022,429
Cash flow	—		—		—		2,800,554		2,800,554
Equipment finance	—		1,680		1,680		893,097		894,777
SBA	239		1,218		1,457		46,651		48,108
Total commercial	721		3,038		3,759		6,247,769		6,251,528
Consumer	88		3,146		3,234		126,587		129,821
Total Non-PCI loans and leases	$	5,886	$	22,121	$	28,007	$	12,230,909	$	12,258,916

	December 31, 2014
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	—	$	—	$	—	$	560,219	$	560,219
SBA	5,530		4,357		9,887		366,040		375,927
Other	6,098		7,630		13,728		4,390,686		4,404,414
Total real estate mortgage	11,628		11,987		23,615		5,316,945		5,340,560
Real estate construction and land:
Residential	—		—		—		96,728		96,728
Commercial	—		715		715		209,692		210,407
Total real estate construction and land	—		715		715		306,420		307,135
Commercial:
Collateralized	878		965		1,843		437,344		439,187
Unsecured	69		45		114		131,710		131,824
Asset-based	—		—		—		1,794,851		1,794,851
Cash flow	—		232		232		2,459,619		2,459,851
Equipment finance	6,525		366		6,891		962,598		969,489
SBA	205		1,362		1,567		45,694		47,261
Total commercial	7,677		2,970		10,647		5,831,816		5,842,463
Consumer	101		3,146		3,247		98,236		101,483
Total Non-PCI loans and leases	$	19,406	$	18,818	$	38,224	$	11,553,417	$	11,591,641

At September 30, 2015 and December 31, 2014, the Company had no loans and leases (excluding PCI loans) that were greater than 90 days past due and still accruing interest. We discontinue accruing interest when principal or interest payments are past due 90 days or more unless the loan is both well secured and in the process of collection or when, in the judgment of management, there is a reasonable doubt as to the collectability of the loan or lease in the normal course of business. Interest income on nonaccrual loans is recognized only to the extent cash is received and the principal balance of the loan is deemed collectable.

The following table presents our nonaccrual and performing Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015						December 31, 2014
	Nonaccrual		Performing		Total		Nonaccrual		Performing		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	1,845	$	622,302	$	624,147	$	6,366	$	553,853	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	18,294		4,463,920		4,482,214		20,105		4,384,309		4,404,414
Total real estate mortgage	31,821		5,473,266		5,505,087		37,612		5,302,948		5,340,560
Real estate construction and land:
Residential	374		144,867		145,241		381		96,347		96,728
Commercial	—		227,239		227,239		1,178		209,229		210,407
Total real estate construction and land	374		372,106		372,480		1,559		305,576		307,135
Commercial:
Collateralized	2,771		356,318		359,089		5,450		433,737		439,187
Unsecured	923		125,648		126,571		639		131,185		131,824
Asset-based	90		2,022,339		2,022,429		4,574		1,790,277		1,794,851
Cash flow	11,761		2,788,793		2,800,554		15,964		2,443,887		2,459,851
Equipment finance	53,153		841,624		894,777		11,131		958,358		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	71,616		6,179,912		6,251,528		40,965		5,801,498		5,842,463
Consumer	3,379		126,442		129,821		3,485		97,998		101,483
Total Non-PCI loans and leases	$	107,190	$	12,151,726	$	12,258,916	$	83,621	$	11,508,020	$	11,591,641

At September 30, 2015, nonaccrual loans and leases totaled $107.2 million and included $22.1 million of loans and leases 90 or more days past due, $2.6 million of loans and leases 30 to 89 days past due, and $82.4 million of current loans and leases that were placed on nonaccrual status based on management’s judgment regarding their collectability. Nonaccrual loans and leases totaled $83.6 million at December 31, 2014, including $18.8 million of loans and leases 90 or more days past due, $8.7 million of loans and leases 30 to 89 days past due, and $56.1 million of current loans and leases that were placed on nonaccrual status based on management’s judgment regarding their collectability. The increase in nonaccrual loans and leases generally, and equipment finance loans and leases specifically, was due to four relationships totaling $47.9 million that are related to the oil and gas industries and which have been adversely impacted by continued low oil prices.

Non‑PCI nonaccrual loans and leases and performing restructured loans are considered impaired for reporting purposes. The following table presents the composition of our impaired loans and leases as of the dates indicated:

	September 30, 2015						December 31, 2014
			Performing		Total				Performing		Total
	Nonaccrual		Restructured		Impaired		Nonaccrual		Restructured		Impaired
	Loans/Leases		Loans		Loans/Leases		Loans/Leases		Loans		Loans/Leases
	(In thousands)
Real estate mortgage	$	31,821	$	27,293	$	59,114	$	37,612	$	20,245	$	57,857
Real estate construction and land	374		7,673		8,047		1,559		8,996		10,555
Commercial	71,616		4,767		76,383		40,965		5,744		46,709
Consumer	3,379		223		3,602		3,485		259		3,744
Total	$	107,190	$	39,956	$	147,146	$	83,621	$	35,244	$	118,865

The following table presents loan and lease relationships having direct exposure to the oil and gas industries as of the dates indicated:

	September 30, 2015			June 30, 2015
	Amount		Obligors	Amount		Obligors
	(Dollars in thousands)
Loans	$	83,025	7	$	87,005	8
Leases	69,247		20	90,189		21
Total oil & gas support services	$	152,272	27	$	177,194	29
Nonaccrual	$	47,853	4	$	64,232	4
Classified	$	47,853	4	$	64,232	4

The following tables present information regarding our Non‑PCI impaired loans and leases by portfolio segment and class as of and for the dates indicated:

	September 30, 2015						December 31, 2014
			Unpaid						Unpaid
	Recorded		Principal		Related		Recorded		Principal		Related
	Investment		Balance		Allowance		Investment		Balance		Allowance
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	1,907	$	6	$	1,946	$	1,945	$	47
Other	13,955		14,203		1,437		9,136		9,233		646
Real estate construction and land:
Residential	751		751		31		763		763		46
Commercial	—		—		—		1,128		4,934		23
Commercial:
Collateralized	4,966		5,529		3,006		4,630		5,246		3,771
Unsecured	1,908		1,921		1,580		912		924		799
Asset-based	30		140		30		137		247		137
Cash flow	11,761		17,606		2,097		15,578		17,970		2,667
Equipment finance	9,654		10,247		3,630		6,956		7,268		2,601
Consumer	394		400		158		143		142		37
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	10,019	$	—	$	6,366	$	7,593	$	—
SBA	11,682		15,616		—		11,141		14,708		—
Other	23,650		36,240		—		29,268		40,643		—
Real estate construction and land:
Residential	—		—		—		21		19		—
Commercial	7,296		7,293		—		8,643		8,749		—
Commercial:
Collateralized	1,486		1,908		—		5,566		6,877		—
Unsecured	101		111		—		725		809		—
Asset-based	61		61		—		4,436		5,415		—
Cash flow	—		505		—		387		919		—
Equipment finance	43,498		46,894		—		4,175		7,528		—
SBA	2,918		4,743		—		3,207		4,920		—
Consumer	3,208		3,327		—		3,601		3,768		—
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	59,114	$	77,985	$	1,443	$	57,857	$	74,122	$	693
Real estate construction and land	8,047		8,044		31		10,555		14,465		69
Commercial	76,383		89,665		10,343		46,709		58,123		9,975
Consumer	3,602		3,727		158		3,744		3,910		37
Total	$	147,146	$	179,421	$	11,975	$	118,865	$	150,620	$	10,774

	Three Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	20	$	1,957	$	20
Other	13,801		141		13,302		129
Real estate construction and land:
Residential	751		4		767		4
Commercial	—		—		1,162		6
Commercial:
Collateralized	4,876		48		5,404		46
Unsecured	1,892		13		620		6
Asset-based	30		—		262		—
Cash flow	11,761		—		15,726		—
Equipment finance	9,654		—		1,864		—
Consumer	394		4		146		2
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	144	$	6,451	$	—
SBA	11,209		—		7,521		38
Other	23,466		113		29,119		79
Real estate construction and land:
Residential	—		—		542		—
Commercial	7,193		62		10,221		75
Commercial:
Collateralized	1,486		21		2,746		25
Unsecured	101		1		144		—
Asset-based	1		—		4,472		—
Cash flow	—		—		—		—
Equipment finance	43,406		—		9,466		—
SBA	2,841		—		3,331		36
Consumer	3,208		—		3,492		2
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	58,303	$	418	$	58,350	$	266
Real estate construction and land	7,944		66		12,692		85
Commercial	76,048		83		44,035		113
Consumer	3,602		4		3,638		4
Total	$	145,897	$	571	$	118,715	$	468

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

	Nine Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	58	$	1,957	$	60
SBA	—		—		—		—
Other	13,582		415		12,989		383
Real estate construction and land:
Residential	751		12		767		12
Commercial	—		—		1,162		19
Commercial:
Collateralized	3,876		67		5,404		138
Unsecured	1,464		35		620		18
Asset-based	30		—		262		—
Cash flow	11,761		—		5,357		—
Equipment finance	6,905		—		1,051		—
SBA	—		—		—		—
Consumer	375		11		146		7
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,839	$	426	$	6,451	$	—
SBA	9,518		1		6,259		38
Other	20,952		273		26,858		283
Real estate construction and land:
Residential	—		—		407		—
Commercial	7,021		176		10,221		222
Commercial:
Collateralized	1,238		51		2,623		82
Unsecured	101		4		125		—
Asset-based	—		—		3,013		—
Cash flow	—		—		—		—
Equipment finance	29,088		—		6,057		—
SBA	2,816		82		2,786		36
Consumer	3,208		—		2,856		7
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	53,798	$	1,173	$	54,514	$	764
Real estate construction and land	7,772		188		12,557		253
Commercial	57,279		239		27,298		274
Consumer	3,583		11		3,002		14
Total	$	122,432	$	1,611	$	97,371	$	1,305

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

Troubled debt restructurings are a result of rate reductions, term extensions, fee concessions, and debt forgiveness or a combination thereof. The following tables present new troubled debt restructurings of Non-PCI loans for the periods indicated:

	Three Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	5	956		956		7	10,496		10,496
Real estate construction and land:
Commercial	3	7,333		7,333		—	—		—
Commercial:
Collateralized	1	3,431		3,431		9	1,507		1,507
Unsecured	9	883		883		3	173		173
SBA	—	—		—		2	1,313		1,313
Consumer	1	106		106		3	183		183
Total	19	$	12,709	$	12,709	25	$	13,736	$	13,736

	Nine Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	29	9,506		9,291		15	14,352		14,352
Real estate construction and land:
Commercial	6	16,948		16,948		2	4,920		4,920
Commercial:
Collateralized	13	8,138		8,138		15	4,853		4,853
Unsecured	12	1,190		1,190		5	211		211
Cash flow	4	566		387		—	—		—
Equipment finance	9	53,338		53,338		—	—		—
SBA	1	—		—		2	1,313		1,313
Consumer	2	197		197		4	307		307
Total	76	$	89,883	$	89,489	44	$	26,020	$	26,020

The following tables present troubled debt restructurings that subsequently defaulted for the periods indicated:

	Three Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	3	$	2,037		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial - Unsecured	—	—			2	37
Total	3	$	2,037	(2)	3	$	1,227	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

	Nine Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	5	$	3,240		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial:
Collateralized	—	—			1	22
Unsecured	—	—			2	37
Consumer	—	—			1	109
Total	5	$	3,240	(2)	5	$	1,358	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

Purchased Credit Impaired (PCI) Loans

The following table reflects the PCI loans by portfolio segment as of the dates indicated:

	September 30,			December 31,
	2015			2014
	(In thousands)
Real estate mortgage	$	221,258		$	299,660
Real estate construction and land	2,664			7,743
Commercial	8,590			32,904
Consumer	310			332
Total gross PCI loans	232,822			340,639
Less:
Discount	(39,533		)	(49,848		)
Allowance for loan losses	(10,955		)	(13,999		)
Total net PCI loans	$	182,334		$	276,792

The following table summarizes the changes in the carrying amount of PCI loans and accretable yield on those loans for the period indicated:

	Carrying			Accretable
	Amount			Yield
	(In thousands)
Balance, December 31, 2014	$	276,792		$	(106,856	)
Accretion	25,523			25,523
Payments received	(121,439		)	—
Increase in expected cash flows, net	—			(10,694		)
Negative provision for credit losses	1,458			—
Balance, September 30, 2015	$	182,334		$	(92,027	)

The following table presents PCI loans by credit risk rating categories and portfolio segment as of the dates indicated. Nonclassified loans are those with a credit risk rating of either pass or special mention, while classified loans are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage	$	48,987	$	135,717	$	184,704	$	101,161	$	155,281	$	256,442
Real estate construction and land	1,254		1,432		2,686		3,901		3,010		6,911
Commercial	5,480		126		5,606		26,942		212		27,154
Consumer	293		—		293		284		—		284
Total PCI loans, net of deferred fees	$	56,014	$	137,275	$	193,289	$	132,288	$	158,503	$	290,791

In addition to our internal risk rating process, our federal and state banking regulators, as an integral part of their examination process, periodically review the Company’s loan risk rating classifications. Our regulators may require the Company to recognize rating downgrades based on their judgments related to information available to them at the time of their examinations.

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Foreclosed Assets

9 Months Ended

Sep. 30, 2015

Other Real Estate Owned Net Covered and NonCovered Including Foreclosed Assets [Abstract]

Foreclosed Assets

Foreclosed Assets

The following table summarizes foreclosed assets at the dates indicated:

	September 30,		December 31,
Property Type:	2015		2014
	(In thousands)
Commercial real estate	$	3,558	$	2,449
Construction and land development	14,343		24,759
Multi‑family	3,481		4,823
Single family residence	1,663		3,392
Total other real estate owned, net	23,045		35,423
Other foreclosed assets	10,171		8,298
Total foreclosed assets, net(1)	$	33,216	$	43,721

_________________________

(1) As of September 30, 2015 and December 31, 2014, the amounts of covered foreclosed assets were $8.9 million and $9.3 million.

The following table presents the changes in foreclosed assets, net of the valuation allowance, for the period indicated:

	Foreclosed
	Assets
	(In thousands)
Balance, December 31, 2014	$	43,721
Foreclosures	13,472
Provision for losses	(5,163		)
Reductions related to sales	(18,814		)
Balance, September 30, 2015	$	33,216

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Borrowings, Subordinated Debentures and Brokered Time Deposits

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Borrowings, Subordinated Debentures and Brokered Deposit

Borrowings, Subordinated Debentures and Brokered Time Deposits

Borrowings

The following table summarizes our borrowings as of the dates indicated:

	September 30, 2015				December 31, 2014
	Amount		Rate		Amount		Rate
	(Dollars in thousands)
Non‑recourse debt	$	2,497	6.23	%	$	3,402	6.43	%
FHLB overnight advances	550,000		0.20	%	380,000		0.27	%
Total borrowings	$	552,497			$	383,402

The non‑recourse debt represents the payment stream of certain equipment leases sold to third parties. The debt is secured by the leased equipment and all interest rates are fixed. As of September 30, 2015, this debt had a weighted average remaining maturity of 2.3 years.

PacWest did not renew the unsecured, variable-rate revolving line of credit in the amount of $75.0 million which expired on September 30, 2015.

The Bank has established secured and unsecured lines of credit under which it may borrow funds from time to time on a term or overnight basis from the FHLB, the Federal Reserve Bank of San Francisco (“FRBSF”), or other financial institutions.

FHLB Secured Lines of Credit. The borrowing arrangement with the FHLB is based on an FHLB program collateralized by a blanket lien on certain qualifying loans that are not pledged to the FRBSF. As of September 30, 2015, the borrowing capacity under the FHLB secured borrowing lines was $2.4 billion. As of September 30, 2015 and December 31, 2014, the balances outstanding were $550.0 million and $380.0 million.

FRBSF Secured Line of Credit. The Bank has a secured line of credit with the FRBSF. As of September 30, 2015, the Bank had secured borrowing capacity of $2.0 billion collateralized by liens covering $2.6 billion of certain qualifying loans. As of September 30, 2015 and December 31, 2014, there were no balances outstanding.

Federal Funds Arrangements with Commercial Banks. As of September 30, 2015, the Bank had unsecured lines of credit of $80.0 million with correspondent banks for the purchase of overnight funds, subject to availability of funds. These lines are renewable annually and have no unused commitment fees. As of September 30, 2015 and December 31, 2014, there were no balances outstanding.

FHLB Unsecured Line of Credit. During the second quarter of 2015, the Bank obtained a $99.0 million unsecured line of credit with the FHLB for the purchase of overnight funds. As of September 30, 2015, there was no balance outstanding.

Subordinated Debentures

The following table summarizes the terms of each issuance of subordinated debentures outstanding as of the dates indicated:

	September 30, 2015					December 31, 2014					Date	Maturity	Rate Index
Series:	Amount			Rate		Amount			Rate		Issued	Date	(Quarterly Reset)
	(Dollars in thousands)
Trust V	$	10,310		3.43	%	$	10,310		3.33	%	8/15/2003	9/17/2033	3 month LIBOR + 3.10
Trust VI	10,310			3.39	%	10,310			3.29	%	9/3/2003	9/15/2033	3 month LIBOR + 3.05
Trust CII	5,155			3.29	%	5,155			3.19	%	9/17/2003	9/17/2033	3 month LIBOR + 2.95
Trust VII	61,856			3.05	%	61,856			2.98	%	2/5/2004	4/23/2034	3 month LIBOR + 2.75
Trust CIII	20,619			2.03	%	20,619			1.93	%	8/15/2005	9/15/2035	3 month LIBOR + 1.69
Trust FCCI	16,495			1.94	%	16,495			1.84	%	1/25/2007	3/15/2037	3 month LIBOR + 1.60
Trust FCBI	10,310			1.89	%	10,310			1.79	%	9/30/2005	12/15/2035	3 month LIBOR + 1.55
Trust CS 2005-1	82,475			2.29	%	82,475			2.19	%	11/21/2005	12/15/2035	3 month LIBOR + 1.95
Trust CS 2005-2	128,866			2.25	%	128,866			2.18	%	12/14/2005	1/30/2036	3 month LIBOR + 1.95
Trust CS 2006-1	51,545			2.25	%	51,545			2.18	%	2/22/2006	4/30/2036	3 month LIBOR + 1.95
Trust CS 2006-2	51,550			2.25	%	51,550			2.18	%	9/27/2006	10/30/2036	3 month LIBOR + 1.95
Trust CS 2006-3 (1)	28,822			2.03	%	31,188			2.14	%	9/29/2006	10/30/2036	3 month EURIBOR + 2.05
Trust CS 2006-4	16,470			2.25	%	16,470			2.18	%	12/5/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2006-5	6,650			2.25	%	6,650			2.18	%	12/19/2006	1/30/2037	3 month LIBOR + 1.95
Trust CS 2007-2	39,177			2.25	%	39,177			2.18	%	6/13/2007	7/30/2037	3 month LIBOR + 1.95
Gross subordinated debentures	540,610					542,976
Unamortized discount (2)	(105,193		)			(109,393		)
Net subordinated debentures	$	435,417				$	433,583

___________________

(1) Denomination is in Euros with a value of €25.8 million.

(2) Amount represents the fair value adjustment on subordinated debentures assumed in acquisitions.

Interest payments made by the Company on subordinated debentures are considered dividend payments under the Board of Governors of the Federal Reserve System (“FRB”) regulations. Bank holding companies, such as PacWest, are required to notify the FRB prior to declaring and paying a dividend during any period in which quarterly and/or cumulative twelve‑month net earnings are insufficient to fund the dividend amount, among other requirements.

Brokered Time Deposits

Brokered time deposits totaled $461.1 million and $636.7 million at September 30, 2015 and December 31, 2014. Brokered time deposits under the Certificate of Deposit Account Registry Service Program ("CDARS Program") totaled $37.8 million and $44.0 million at September 30, 2015 and December 31, 2014. The CDARS Program represents deposits that are participated with other FDIC‑insured financial institutions as a means to provide FDIC deposit insurance coverage for the full amount of our customers’ deposits.

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FDIC Loss Sharing Asset (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Schedule of FDIC Loss Sharing Asset [Line Items]
FDIC Indemnification Asset	$ 7,605
FDIC Indemnification True Up	7,502
NonSingle Family Covered Assets	167,083	[1]
Single Family Covered Assets	85,122
Affinity Bank [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
FDIC Indemnification Asset	(647)
NonSingle Family Covered Assets	87,093	[1]
Single Family Covered Assets	10,828
Los Padres Bank [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
FDIC Indemnification Asset	2,885
NonSingle Family Covered Assets	52,317	[1]
Single Family Covered Assets	50,237
Western Commercial Bank [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
FDIC Indemnification Asset	271
FDIC Indemnification True Up	1,810
NonSingle Family Covered Assets	7,848	[1]
San Luis Trust Bank [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
FDIC Indemnification Asset	5,096
FDIC Indemnification True Up	5,692
NonSingle Family Covered Assets	19,825	[1]
Single Family Covered Assets	$ 24,057
Residential Mortgage [Member] | Affinity Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2019
Residential Mortgage [Member] | Affinity Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2019
Residential Mortgage [Member] | Los Padres Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2020
Residential Mortgage [Member] | Los Padres Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2020
Residential Mortgage [Member] | San Luis Trust Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Mar. 31, 2021
Residential Mortgage [Member] | San Luis Trust Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Mar. 31, 2021
Commercial Real Estate [Member] | Affinity Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2015
Commercial Real Estate [Member] | Affinity Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2017
Commercial Real Estate [Member] | Los Padres Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2015
Commercial Real Estate [Member] | Los Padres Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Sep. 30, 2018
Commercial Real Estate [Member] | Western Commercial Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Dec. 31, 2015
Commercial Real Estate [Member] | Western Commercial Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Dec. 31, 2018
Commercial Real Estate [Member] | San Luis Trust Bank [Member] | FDIC indemnification provision under loss share arrangement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Mar. 31, 2016
Commercial Real Estate [Member] | San Luis Trust Bank [Member] | Recovery provision for assuming bank under FDIC loss-share agreement [Member]
Schedule of FDIC Loss Sharing Asset [Line Items]
Expiration date of provision	Mar. 31, 2019

[1] Excludes securities

XML

Borrowings, Subordinated Debentures and Brokered Time Deposits (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Borrowings	$ 552,497,000	$ 383,402,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Non-Recourse Debt	$ 2,497,000	$ 3,402,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	6.23%	6.43%
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	0.20%	0.27%
Federal Home Loan Bank Advances [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	$ 550,000,000	$ 380,000,000

XML

Foreclosed Assets (Details 1) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Balance, December 31, 2014	[1]	$ 43,721
Foreclosures		13,472	$ 667
Provision for losses		(5,163)
Reductions related to sales		(18,814)
Balance, September 30, 2015	[1]	$ 33,216

[1] As of September 30, 2015 and December 31, 2014, the amounts of covered foreclosed assets were $8.9 million and $9.3 million.

XML

Business Segments (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables present information regarding our business segments as of and for the periods indicated:

	September 30, 2015
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,141,576		$	9,302,580		$	8,049		$	12,452,205
Allowance for loan and lease losses	(39,522		)	(63,749		)	—			(103,271		)
Total loans and leases, net	$	3,102,054		$	9,238,831		$	8,049		$	12,348,934
Goodwill	$	333,979		$	1,394,401		$	—		$	1,728,380
Core deposit and customer relationship intangibles, net	12,143			561			—			12,704
Total assets	6,288,790			10,418,282			107,033			16,814,105
Total deposits(1)	12,484,050			36,586			(404,873		)	12,115,763

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

	September 30, 2014
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,482,125		$	8,064,868		$	27,892		$	11,574,885
Allowance for loan and lease losses	(56,712		)	(25,187		)	—			(81,899		)
Total loans and leases, net	$	3,425,413		$	8,039,681		$	27,892		$	11,492,986
Goodwill	$	327,728		$	1,394,401		$	—		$	1,722,129
Core deposit and customer relationship intangibles, net	17,814			1,009			—			18,823
Total assets	6,492,674			9,182,617			262,859			15,938,150
Total deposits(1)	11,826,681			—			(303,244		)	11,523,437

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

	Three Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	58,368		$	148,264		$	1,040		$	207,672
Interest expense	(10,430		)	(42		)	(4,680		)	(15,152		)
Intersegment interest income (expense)	6,629			(6,629		)	—			—
Net interest income (expense)	54,567			141,593			(3,640		)	192,520
Negative provision (provision) for credit losses	1,309			(10,145		)	90			(8,746		)
Gain on sale of securities	655			—			—			655
FDIC loss sharing expense, net	(4,449		)	—			—			(4,449		)
Other noninterest income	7,956			7,478			4,118			19,552
Total noninterest income	4,162			7,478			4,118			15,758
Foreclosed assets (expense) income, net	(4,787		)	39			227			(4,521		)
Intangible asset amortization	(1,385		)	(112		)	—			(1,497		)
Acquisition, integration and reorganization costs	(747		)	—			—			(747		)
Other noninterest expense	(56,318		)	(23,763		)	(3,293		)	(83,374		)
Total noninterest expense	(63,237		)	(23,836		)	(3,066		)	(90,139		)
Intersegment noninterest income (expense)	28,280			(28,280		)	—			—
Total noninterest expense - adjusted	(34,957		)	(52,116		)	(3,066		)	(90,139		)
Earnings (loss) before taxes	25,081			86,810			(2,498		)	109,393
Income tax (expense) benefit	(9,584		)	(33,172		)	2,979			(39,777		)
Net earnings	$	15,497		$	53,638		$	481		$	69,616

	Three Months Ended June 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	63,392		$	154,816		$	247		$	218,455
Interest expense	(11,273		)	(48		)	(4,582		)	(15,903		)
Intersegment interest income (expense)	7,140			(7,140		)	—			—
Net interest income (expense)	59,259			147,628			(4,335		)	202,552
Negative provision (provision) for credit losses	734			(7,263		)	—			(6,529		)
Loss on sale of securities	(186		)	—			—			(186		)
FDIC loss sharing expense, net	(5,107		)	—			—			(5,107		)
Other noninterest income	4,235			14,465			6,216			24,916
Total noninterest income	(1,058		)	14,465			6,216			19,623
Foreclosed assets (expense) income, net	(351		)	(22		)	2,713			2,340
Intangible asset amortization	(1,390		)	(112		)	—			(1,502		)
Acquisition, integration and reorganization costs	(806		)	—			(94		)	(900		)
Other noninterest expense	(58,304		)	(24,164		)	(2,746		)	(85,214		)
Total noninterest expense	(60,851		)	(24,298		)	(127		)	(85,276		)
Intersegment noninterest income (expense)	28,857			(28,857		)	—			—
Total noninterest expense - adjusted	(31,994		)	(53,155		)	(127		)	(85,276		)
Earnings before taxes	26,941			101,675			1,754			130,370
Income tax (expense) benefit	(10,484		)	(39,566		)	4,763			(45,287		)
Net earnings	$	16,457		$	62,109		$	6,517		$	85,083

	Three Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	67,132		$	134,624		$	600		$	202,356
Interest expense	(8,851		)	(45		)	(4,614		)	(13,510		)
Intersegment interest income (expense)	5,250			(5,250		)	—			—
Net interest income (expense)	63,531			129,329			(4,014		)	188,846
Negative provision (provision) for credit losses	6,314			(11,364		)	—			(5,050		)
FDIC loss sharing expense, net	(7,415		)	—			—			(7,415		)
Other noninterest income	7,566			9,953			6,210			23,729
Total noninterest income	151			9,953			6,210			16,314
Foreclosed assets (expense) income, net	(4,627		)	(322		)	122			(4,827		)
Intangible asset amortization	(1,517		)	(91		)	—			(1,608		)
Acquisition, integration and reorganization costs	(3,953		)	(1,240		)	—			(5,193		)
Other noninterest expense	(53,078		)	(24,835		)	(5,382		)	(83,295		)
Total noninterest expense	(63,175		)	(26,488		)	(5,260		)	(94,923		)
Intersegment noninterest income (expense)	26,411			(26,411		)	—			—
Total noninterest expense - adjusted	(36,764		)	(52,899		)	(5,260		)	(94,923		)
Earnings (loss) from continuing operations before taxes	33,232			75,019			(3,064		)	105,187
Income tax (expense) benefit	(14,576		)	(30,113		)	1,778			(42,911		)
Net earnings (loss) from continuing operations	18,656			44,906			(1,286		)	62,276
Loss from discontinued operations before taxes	(8		)	—			—			(8		)
Income tax benefit	3			—			—			3
Net loss from discontinued operations	(5		)	—			—			(5		)
Net earnings (loss)	$	18,651		$	44,906		$	(1,286	)	$	62,271

	Nine Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	184,716		$	454,299		$	1,426		$	640,441
Interest expense	(32,364		)	(143		)	(13,787		)	(46,294		)
Intersegment interest income (expense)	20,490			(20,490		)	—			—
Net interest income (expense)	172,842			433,666			(12,361		)	594,147
Negative provision (provision) for credit losses	10,107			(41,814		)	(2		)	(31,709		)
Gain on sale of securities	3,744			—			—			3,744
FDIC loss sharing expense, net	(13,955		)	—			—			(13,955		)
Other noninterest income	21,766			27,085			17,612			66,463
Total noninterest income (expense)	11,555			27,085			17,612			56,252
Foreclosed assets (expense) income, net	(5,182		)	(44		)	2,709			(2,517		)
Intangible asset amortization	(4,164		)	(336		)	—			(4,500		)
Acquisition, integration and reorganization costs	(3,443		)	—			(204		)	(3,647		)
Other noninterest expense	(169,827		)	(70,764		)	(8,520		)	(249,111		)
Total noninterest expense	(182,616		)	(71,144		)	(6,015		)	(259,775		)
Intersegment noninterest income (expense)	83,700			(83,700		)	—			—
Total noninterest expense - adjusted	(98,916		)	(154,844		)	(6,015		)	(259,775		)
Earnings (loss) before taxes	95,588			264,093			(766		)	358,915
Income tax (expense) benefit	(36,941		)	(102,020		)	7,824			(131,137		)
Net earnings	$	58,647		$	162,073		$	7,058		$	227,778

	Nine Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	214,704		$	278,131		$	2,244		$	495,079
Interest expense	(17,528		)	(184		)	(9,973		)	(27,685		)
Intersegment interest income (expense)	9,543			(9,543		)	—			—
Net interest income (expense)	206,719			268,404			(7,729		)	467,394
Negative provision (provision) for credit losses	11,558			(20,994		)	—			(9,436		)
Gain on sale of securities	4,841			—			—			4,841
FDIC loss sharing expense, net	(27,370		)	—			—			(27,370		)
Other noninterest income	18,144			26,885			6,984			52,013
Total noninterest income	(4,385		)	26,885			6,984			29,484
Foreclosed assets (expense) income, net	(3,399		)	(284		)	220			(3,463		)
Intangible asset amortization	(4,238		)	(411		)	—			(4,649		)
Acquisition, integration and reorganization costs	(83,866		)	(8,714		)	(1,055		)	(93,635		)
Other noninterest expense	(144,164		)	(55,892		)	(12,484		)	(212,540		)
Total noninterest expense	(235,667		)	(65,301		)	(13,319		)	(314,287		)
Intersegment noninterest income (expense)	49,944			(49,944		)	—			—
Total noninterest expense - adjusted	(185,723		)	(115,245		)	(13,319		)	(314,287		)
Earnings (loss) from continuing operations before taxes	28,169			159,050			(14,064		)	173,155
Income tax (expense) benefit	(16,240		)	(63,703		)	6,199			(73,744		)
Net earnings (loss) from continuing operations	11,929			95,347			(7,865		)	99,411
Loss from discontinued operations before taxes	(2,572		)	—			—			(2,572		)
Income tax benefit	1,067			—			—			1,067
Net loss from discontinued operations	(1,505		)	—			—			(1,505		)
Net earnings (loss)	$	10,424		$	95,347		$	(7,865	)	$	97,906

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Loans and Leases (Details 3) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Delinquent loans in loan portfolio
30-89 Days Past Due	$ 2,600	$ 8,700
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,100	18,800
Loans held for investment, net	12,452,205	11,882,432
NonCovered [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	5,886	19,406
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,121	18,818
Financing Receivable, Recorded Investment, Past Due	28,007	38,224
Current	12,230,909	11,553,417
Loans held for investment, net	12,258,916	11,591,641	$ 11,223,506
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	5,077	11,628
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	15,937	11,987
Financing Receivable, Recorded Investment, Past Due	21,014	23,615
Current	5,484,073	5,316,945
Loans held for investment, net	5,505,087	5,340,560	5,398,244
NonCovered [Member] | Real Estate Construction [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	715
Financing Receivable, Recorded Investment, Past Due	0	715
Current	372,480	306,420
Loans held for investment, net	372,480	307,135	283,067
NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	721	7,677
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,038	2,970
Financing Receivable, Recorded Investment, Past Due	3,759	10,647
Current	6,247,769	5,831,816
Loans held for investment, net	6,251,528	5,842,463	5,433,787
NonCovered [Member] | Consumer Portfolio Segment [Member]
Delinquent loans in loan portfolio
Loans held for investment, net	129,821	101,483	$ 108,408
Consumer Financing Receivable [Member] | NonCovered [Member] | Consumer Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	88	101
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3,146	3,146
Financing Receivable, Recorded Investment, Past Due	3,234	3,247
Current	126,587	98,236
Loans held for investment, net		101,483
Collateralized Loan Obligations [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	425	878
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	140	965
Financing Receivable, Recorded Investment, Past Due	565	1,843
Current	358,524	437,344
Loans held for investment, net	359,089	439,187
Unsecured Commercial Member [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	57	69
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	45
Financing Receivable, Recorded Investment, Past Due	57	114
Current	126,514	131,710
Loans held for investment, net	126,571	131,824
Asset Based [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Financing Receivable, Recorded Investment, Past Due	0	0
Current	2,022,429	1,794,851
Loans held for investment, net	2,022,429	1,794,851
Cash Flow [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	232
Financing Receivable, Recorded Investment, Past Due	0	232
Current	2,800,554	2,459,619
Loans held for investment, net	2,800,554	2,459,851
Equipment Finance Commercial Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	6,525
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,680	366
Financing Receivable, Recorded Investment, Past Due	1,680	6,891
Current	893,097	962,598
Loans held for investment, net	894,777	969,489
SBA Financing Receivable [Member] | NonCovered [Member] | Commercial Portfolio Segment [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	239	205
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,218	1,362
Financing Receivable, Recorded Investment, Past Due	1,457	1,567
Current	46,651	45,694
Loans held for investment, net	48,108	47,261
Residential Real Estate Construction Financing Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Financing Receivable, Recorded Investment, Past Due	0	0
Current	145,241	96,728
Loans held for investment, net	145,241	96,728
Commercial Real Estate Construction Loan Receivable [Member] | NonCovered [Member] | Real Estate Construction [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	715
Financing Receivable, Recorded Investment, Past Due	0	715
Current	227,239	209,692
Loans held for investment, net	227,239	210,407
Hospitality [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	779	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Financing Receivable, Recorded Investment, Past Due	779	0
Current	623,368	560,219
Loans held for investment, net	624,147	560,219
SBA Loans [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	276	5,530
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	8,661	4,357
Financing Receivable, Recorded Investment, Past Due	8,937	9,887
Current	389,789	366,040
Loans held for investment, net	398,726	375,927
Real Estate Other Class [Member] | NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Delinquent loans in loan portfolio
30-89 Days Past Due	4,022	6,098
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	7,276	7,630
Financing Receivable, Recorded Investment, Past Due	11,298	13,728
Current	4,470,916	4,390,686
Loans held for investment, net	$ 4,482,214	$ 4,404,414

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Business Segments

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Business Segments

Business Segments

The Company’s reportable segments consist of “Community Banking," “National Lending,” and “Other.” The Community Banking and National Lending segments include all of the operations of Pacific Western Bank. The Other segment consists of holding company and non-bank subsidiary operations, and intercompany eliminations.

As a result of the CapitalSource Inc. merger, the Bank formed the CapitalSource Division, which we also refer to as the National Lending segment. The National Lending segment includes the lending operations gained through the CapitalSource Inc. merger, Pacific Western Equipment Finance, and the CapitalSource Business Finance Group. We reorganized our asset-based lending and leasing operations when we formed the CapitalSource Division.

The CapitalSource Division lends throughout the United States, providing middle-market businesses asset-secured loans, equipment-secured loans, cash flow loans, and real estate loans secured by various property types. The CapitalSource Division’s loan and lease origination efforts are conducted through offices located in Chevy Chase, Maryland; Los Angeles and San Jose, California; Phoenix, Arizona; St. Louis, Missouri; Denver, Colorado; Chicago, Illinois; New York, New York; and Midvale, Utah.

The Community Banking segment includes the operations of Pacific Western Bank, excluding the CapitalSource Division, and includes lending and deposit gathering activities conducted primarily through its California-based branch offices and the Bank’s treasury management function and corporate overhead.

The Other segment consists of holding company operations that result in expenses principally for compensation, facilities, professional services, interest on subordinated debentures, and the non-bank subsidiary operations including interest income from a loan portfolio and related loan servicing expense.

The accounting policies of the reportable segments are the same as those of the Company described in Note 1, "Nature of Operations and Summary of Significant Accounting Policies," of our Form 10-K. Transactions between segments consist primarily of borrowed funds and expense allocations for interest, deposit gathering, corporate overhead and credit loss provisions. Intersegment interest expense is allocated from the Community Banking segment to the National Lending segment based upon National Lending’s average earning assets, net of a capital allocation, and the Bank’s total cost of deposits. The Community Banking segment further allocates to the National Lending segment noninterest expense for deposit gathering and maintenance costs and the Bank’s corporate overhead. The provision for credit losses is allocated based on actual charge‑offs for the period as well as net portfolio growth and credit quality trends. All costs associated with investing the Bank’s excess liquidity are included in the Community Banking segment. Noninterest income and noninterest expense, including lending and loan servicing activity, directly attributable to a segment are assigned to such segment.

The following tables present information regarding our business segments as of and for the periods indicated:

	September 30, 2015
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,141,576		$	9,302,580		$	8,049		$	12,452,205
Allowance for loan and lease losses	(39,522		)	(63,749		)	—			(103,271		)
Total loans and leases, net	$	3,102,054		$	9,238,831		$	8,049		$	12,348,934
Goodwill	$	333,979		$	1,394,401		$	—		$	1,728,380
Core deposit and customer relationship intangibles, net	12,143			561			—			12,704
Total assets	6,288,790			10,418,282			107,033			16,814,105
Total deposits(1)	12,484,050			36,586			(404,873		)	12,115,763

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

	September 30, 2014
	Community			National						Consolidated
Balance Sheet Data:	Banking			Lending			Other			Company
	(In thousands)
Loans and leases, net of deferred fees	$	3,482,125		$	8,064,868		$	27,892		$	11,574,885
Allowance for loan and lease losses	(56,712		)	(25,187		)	—			(81,899		)
Total loans and leases, net	$	3,425,413		$	8,039,681		$	27,892		$	11,492,986
Goodwill	$	327,728		$	1,394,401		$	—		$	1,722,129
Core deposit and customer relationship intangibles, net	17,814			1,009			—			18,823
Total assets	6,492,674			9,182,617			262,859			15,938,150
Total deposits(1)	11,826,681			—			(303,244		)	11,523,437

________________________

(1) The negative balance for total deposits in the “Other” segment represents the elimination of holding company cash held in deposit accounts at the Bank.

	Three Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	58,368		$	148,264		$	1,040		$	207,672
Interest expense	(10,430		)	(42		)	(4,680		)	(15,152		)
Intersegment interest income (expense)	6,629			(6,629		)	—			—
Net interest income (expense)	54,567			141,593			(3,640		)	192,520
Negative provision (provision) for credit losses	1,309			(10,145		)	90			(8,746		)
Gain on sale of securities	655			—			—			655
FDIC loss sharing expense, net	(4,449		)	—			—			(4,449		)
Other noninterest income	7,956			7,478			4,118			19,552
Total noninterest income	4,162			7,478			4,118			15,758
Foreclosed assets (expense) income, net	(4,787		)	39			227			(4,521		)
Intangible asset amortization	(1,385		)	(112		)	—			(1,497		)
Acquisition, integration and reorganization costs	(747		)	—			—			(747		)
Other noninterest expense	(56,318		)	(23,763		)	(3,293		)	(83,374		)
Total noninterest expense	(63,237		)	(23,836		)	(3,066		)	(90,139		)
Intersegment noninterest income (expense)	28,280			(28,280		)	—			—
Total noninterest expense - adjusted	(34,957		)	(52,116		)	(3,066		)	(90,139		)
Earnings (loss) before taxes	25,081			86,810			(2,498		)	109,393
Income tax (expense) benefit	(9,584		)	(33,172		)	2,979			(39,777		)
Net earnings	$	15,497		$	53,638		$	481		$	69,616

	Three Months Ended June 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	63,392		$	154,816		$	247		$	218,455
Interest expense	(11,273		)	(48		)	(4,582		)	(15,903		)
Intersegment interest income (expense)	7,140			(7,140		)	—			—
Net interest income (expense)	59,259			147,628			(4,335		)	202,552
Negative provision (provision) for credit losses	734			(7,263		)	—			(6,529		)
Loss on sale of securities	(186		)	—			—			(186		)
FDIC loss sharing expense, net	(5,107		)	—			—			(5,107		)
Other noninterest income	4,235			14,465			6,216			24,916
Total noninterest income	(1,058		)	14,465			6,216			19,623
Foreclosed assets (expense) income, net	(351		)	(22		)	2,713			2,340
Intangible asset amortization	(1,390		)	(112		)	—			(1,502		)
Acquisition, integration and reorganization costs	(806		)	—			(94		)	(900		)
Other noninterest expense	(58,304		)	(24,164		)	(2,746		)	(85,214		)
Total noninterest expense	(60,851		)	(24,298		)	(127		)	(85,276		)
Intersegment noninterest income (expense)	28,857			(28,857		)	—			—
Total noninterest expense - adjusted	(31,994		)	(53,155		)	(127		)	(85,276		)
Earnings before taxes	26,941			101,675			1,754			130,370
Income tax (expense) benefit	(10,484		)	(39,566		)	4,763			(45,287		)
Net earnings	$	16,457		$	62,109		$	6,517		$	85,083

	Three Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	67,132		$	134,624		$	600		$	202,356
Interest expense	(8,851		)	(45		)	(4,614		)	(13,510		)
Intersegment interest income (expense)	5,250			(5,250		)	—			—
Net interest income (expense)	63,531			129,329			(4,014		)	188,846
Negative provision (provision) for credit losses	6,314			(11,364		)	—			(5,050		)
FDIC loss sharing expense, net	(7,415		)	—			—			(7,415		)
Other noninterest income	7,566			9,953			6,210			23,729
Total noninterest income	151			9,953			6,210			16,314
Foreclosed assets (expense) income, net	(4,627		)	(322		)	122			(4,827		)
Intangible asset amortization	(1,517		)	(91		)	—			(1,608		)
Acquisition, integration and reorganization costs	(3,953		)	(1,240		)	—			(5,193		)
Other noninterest expense	(53,078		)	(24,835		)	(5,382		)	(83,295		)
Total noninterest expense	(63,175		)	(26,488		)	(5,260		)	(94,923		)
Intersegment noninterest income (expense)	26,411			(26,411		)	—			—
Total noninterest expense - adjusted	(36,764		)	(52,899		)	(5,260		)	(94,923		)
Earnings (loss) from continuing operations before taxes	33,232			75,019			(3,064		)	105,187
Income tax (expense) benefit	(14,576		)	(30,113		)	1,778			(42,911		)
Net earnings (loss) from continuing operations	18,656			44,906			(1,286		)	62,276
Loss from discontinued operations before taxes	(8		)	—			—			(8		)
Income tax benefit	3			—			—			3
Net loss from discontinued operations	(5		)	—			—			(5		)
Net earnings (loss)	$	18,651		$	44,906		$	(1,286	)	$	62,271

	Nine Months Ended September 30, 2015
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	184,716		$	454,299		$	1,426		$	640,441
Interest expense	(32,364		)	(143		)	(13,787		)	(46,294		)
Intersegment interest income (expense)	20,490			(20,490		)	—			—
Net interest income (expense)	172,842			433,666			(12,361		)	594,147
Negative provision (provision) for credit losses	10,107			(41,814		)	(2		)	(31,709		)
Gain on sale of securities	3,744			—			—			3,744
FDIC loss sharing expense, net	(13,955		)	—			—			(13,955		)
Other noninterest income	21,766			27,085			17,612			66,463
Total noninterest income (expense)	11,555			27,085			17,612			56,252
Foreclosed assets (expense) income, net	(5,182		)	(44		)	2,709			(2,517		)
Intangible asset amortization	(4,164		)	(336		)	—			(4,500		)
Acquisition, integration and reorganization costs	(3,443		)	—			(204		)	(3,647		)
Other noninterest expense	(169,827		)	(70,764		)	(8,520		)	(249,111		)
Total noninterest expense	(182,616		)	(71,144		)	(6,015		)	(259,775		)
Intersegment noninterest income (expense)	83,700			(83,700		)	—			—
Total noninterest expense - adjusted	(98,916		)	(154,844		)	(6,015		)	(259,775		)
Earnings (loss) before taxes	95,588			264,093			(766		)	358,915
Income tax (expense) benefit	(36,941		)	(102,020		)	7,824			(131,137		)
Net earnings	$	58,647		$	162,073		$	7,058		$	227,778

	Nine Months Ended September 30, 2014
	Community			National						Consolidated
Results of Operations:	Banking			Lending			Other			Company
	(In thousands)
Interest income	$	214,704		$	278,131		$	2,244		$	495,079
Interest expense	(17,528		)	(184		)	(9,973		)	(27,685		)
Intersegment interest income (expense)	9,543			(9,543		)	—			—
Net interest income (expense)	206,719			268,404			(7,729		)	467,394
Negative provision (provision) for credit losses	11,558			(20,994		)	—			(9,436		)
Gain on sale of securities	4,841			—			—			4,841
FDIC loss sharing expense, net	(27,370		)	—			—			(27,370		)
Other noninterest income	18,144			26,885			6,984			52,013
Total noninterest income	(4,385		)	26,885			6,984			29,484
Foreclosed assets (expense) income, net	(3,399		)	(284		)	220			(3,463		)
Intangible asset amortization	(4,238		)	(411		)	—			(4,649		)
Acquisition, integration and reorganization costs	(83,866		)	(8,714		)	(1,055		)	(93,635		)
Other noninterest expense	(144,164		)	(55,892		)	(12,484		)	(212,540		)
Total noninterest expense	(235,667		)	(65,301		)	(13,319		)	(314,287		)
Intersegment noninterest income (expense)	49,944			(49,944		)	—			—
Total noninterest expense - adjusted	(185,723		)	(115,245		)	(13,319		)	(314,287		)
Earnings (loss) from continuing operations before taxes	28,169			159,050			(14,064		)	173,155
Income tax (expense) benefit	(16,240		)	(63,703		)	6,199			(73,744		)
Net earnings (loss) from continuing operations	11,929			95,347			(7,865		)	99,411
Loss from discontinued operations before taxes	(2,572		)	—			—			(2,572		)
Income tax benefit	1,067			—			—			1,067
Net loss from discontinued operations	(1,505		)	—			—			(1,505		)
Net earnings (loss)	$	10,424		$	95,347		$	(7,865	)	$	97,906

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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The following table presents amortized cost, gross unrealized gains and losses, and carrying values of securities available-for-sale as of the dates indicated:

	September 30, 2015									December 31, 2014
			Gross		Gross							Gross		Gross
	Amortized		Unrealized		Unrealized			Fair		Amortized		Unrealized		Unrealized			Fair
Security Type:	Cost		Gains		Losses			Value		Cost		Gains		Losses			Value
	(In thousands)
Residential mortgage-backed securities:
Government agency and
government-sponsored enterprise
pass-through securities	$	391,904	$	15,890	$	(196	)	$	407,598	$	515,902	$	20,142	$	(372	)	$	535,672
Government agency and
government-sponsored enterprise
collateralized mortgage obligations	206,380		5,460		(421		)	211,419		275,513		3,513		(1,080		)	277,946
Covered private label collateralized
mortgage obligations	24,914		6,222		(110		)	31,026		26,889		7,153		(95		)	33,947
Other private label collateralized
mortgage obligations	7,258		44		(40		)	7,262		10,961		46		(93		)	10,914
Municipal securities	844,782		18,057		(4,002		)	858,837		521,499		15,899		(1,282		)	536,116
Corporate debt securities	47,380		139		(123		)	47,396		110,074		597		(562		)	110,109
Collateralized loan obligations	133,159		316		(1,158		)	132,317		—		—		—			—
SBA loan pool securities	51,153		395		—			51,548		—		—		—			—
Government-sponsored enterprise debt
securities	36,284		1,240		—			37,524		36,232		525		—			36,757
Other securities	24,972		2		(537		)	24,437		25,801		33		(118		)	25,716
Total	$	1,768,186	$	47,765	$	(6,587	)	$	1,809,364	$	1,522,871	$	47,908	$	(3,602	)	$	1,567,177

Unrealized losses on investment securities

Losses on Securities Available-for-Sale

The following tables present the gross unrealized losses and fair values of securities available-for-sale that were in unrealized loss positions, for which other-than-temporary impairments have not been recognized in earnings, as of the dates indicated:

	September 30, 2015
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	17,968	$	(95	)	$	9,552	$	(101	)	$	27,520	$	(196	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	—		—			14,444		(421		)	14,444		(421		)
Covered private label collateralized
mortgage obligations	1,111		(44		)	589		(66		)	1,700		(110		)
Other private label collateralized
mortgage obligations	1,296		(2		)	1,099		(38		)	2,395		(40		)
Municipal securities	238,631		(3,988		)	529		(14		)	239,160		(4,002		)
Corporate debt securities	23,013		(105		)	2,278		(18		)	25,291		(123		)
Collateralized loan obligations	103,409		(1,158		)	—		—			103,409		(1,158		)
Other securities	5,635		(102		)	16,114		(435		)	21,749		(537		)
Total	$	391,063	$	(5,494	)	$	44,605	$	(1,093	)	$	435,668	$	(6,587	)

	December 31, 2014
	Less Than 12 Months					12 Months or More					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
Security Type:	Value		Losses			Value		Losses			Value		Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-
sponsored enterprise pass-through
securities	$	10,711	$	(13	)	$	27,100	$	(359	)	$	37,811	$	(372	)
Government agency and government-
sponsored enterprise collateralized
mortgage obligations	23,908		(73		)	40,652		(1,007		)	64,560		(1,080		)
Covered private label collateralized
mortgage obligations	—		—			1,000		(95		)	1,000		(95		)
Other private label collateralized
mortgage obligations	1,618		(93		)	—		—			1,618		(93		)
Municipal securities	11,854		(66		)	84,822		(1,216		)	96,676		(1,282		)
Corporate debt securities	52,071		(547		)	10,131		(15		)	62,202		(562		)
Other securities	6,440		(90		)	10,019		(28		)	16,459		(118		)
Total	$	106,602	$	(882	)	$	173,724	$	(2,720	)	$	280,326	$	(3,602	)

Investments Classified by Contractual Maturity Date

The following table presents the contractual maturities of our available-for-sale securities portfolio based on amortized cost and carrying value as of the date indicated:

	September 30, 2015
	Amortized		Fair
Maturity:	Cost		Value
	(In thousands)
Due in one year or less	$	9,304	$	9,373
Due after one year through five years	104,445		106,653
Due after five years through ten years	310,318		321,663
Due after ten years	1,344,119		1,371,675
Total securities available-for-sale	$	1,768,186	$	1,809,364

Investment Income

The following table presents the composition of our interest income on investment securities for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Taxable interest	$	7,323	$	7,577	$	7,850	$	22,373	$	22,438
Non-taxable interest	6,058		4,808		3,343		14,760		10,004
Dividend income	574		2,185		1,138		3,587		2,698
Total interest income on investment securities	$	13,955	$	14,570	$	12,331	$	40,720	$	35,140

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Loans and Leases (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	$ 103,271		$ 103,271			$ 84,455
Allowance for loan and lease losses	103,271	$ 81,899	103,271	$ 81,899	$ 99,375	84,455	$ 82,149	$ 82,034
Allowance for Loan and Lease Losses, Write-offs	(5,431)	(7,956)	(16,544)	(14,940)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	1,081	1,725	5,714	3,707
Provision for Loan and Lease Losses	8,246	5,981	29,646	11,098
Loans held for investment, net	12,452,205		12,452,205			11,882,432
Loans and Leases Receivable Net Of Deferred Income Covered And Noncovered	12,452,205	11,574,885	12,452,205	11,574,885
Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	34,299	27,003	34,299	27,003
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	4,391	5,917	4,391	5,917
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	52,872	29,007	52,872	29,007
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	754	1,157	754	1,157
Purchased Credit Impaired Loans and Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	10,955		10,955			13,999
Loans and Leases Receivable, Allowance, Covered	10,955	18,815	10,955	18,815	14,328	13,999	16,626	21,793
Allowance for Loan and Lease Losses, Write-offs	(1,119)	(108)	(1,698)	(4,712)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	0	0	112	51
Provision for Loan and Lease Losses	(2,254)	2,297	(1,458)	1,683
Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality	10,955	18,815	10,955	18,815
Receivables Acquired with Deteriorated Credit Quality	193,289	351,379	193,289	351,379
Loans held for investment, net	193,289	351,379	193,289	351,379		290,791
NonCovered [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance	92,316	63,084	92,316	63,084	85,047	70,456	65,523	60,241
Impaired Financing Receivable, Related Allowance	11,975		11,975			10,774
Allowance for Loan and Lease Losses, Write-offs	(4,312)	(7,848)	(14,846)	(10,228)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	1,081	1,725	5,602	3,656
Provision for Loan and Lease Losses	10,500	3,684	31,104	9,415
Financing Receivable, Individually Evaluated for Impairment	11,975	9,375	11,975	9,375
Financing Receivable, Collectively Evaluated for Impairment	80,341	53,709	80,341	53,709
Financing Receivable, Individually Evaluated for Impairment	146,068	120,253	146,068	120,253
Financing Receivable, Collectively Evaluated for Impairment	12,112,848	11,103,253	12,112,848	11,103,253
Loans held for investment, net	12,258,916	11,223,506	12,258,916	11,223,506		11,591,641
NonCovered [Member] | Mortgage Loans on Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance					29,908	25,097	22,276	26,078
Impaired Financing Receivable, Related Allowance	1,443		1,443			693
Allowance for Loan and Lease Losses, Write-offs	(252)	(395)	(1,767)	(976)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	288	1,312	1,783	1,949
Provision for Loan and Lease Losses	4,355	3,810	9,186	(48)
Financing Receivable, Individually Evaluated for Impairment	1,443	1,568	1,443	1,568
Financing Receivable, Collectively Evaluated for Impairment	32,856	25,435	32,856	25,435
Financing Receivable, Individually Evaluated for Impairment	58,393	58,041	58,393	58,041
Financing Receivable, Collectively Evaluated for Impairment	5,446,694	5,340,203	5,446,694	5,340,203
Loans held for investment, net	5,505,087	5,398,244	5,505,087	5,398,244		5,340,560
NonCovered [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance					3,908	4,248	4,302	4,298
Impaired Financing Receivable, Related Allowance	31		31			69
Allowance for Loan and Lease Losses, Write-offs	0	0	0	0
Allowance for Loan and Lease Loss, Recovery of Bad Debts	390	24	1,034	112
Provision for Loan and Lease Losses	93	1,591	(891)	1,507
Financing Receivable, Individually Evaluated for Impairment	31	119	31	119
Financing Receivable, Collectively Evaluated for Impairment	4,360	5,798	4,360	5,798
Financing Receivable, Individually Evaluated for Impairment	8,047	12,621	8,047	12,621
Financing Receivable, Collectively Evaluated for Impairment	364,433	270,446	364,433	270,446
Loans held for investment, net	372,480	283,067	372,480	283,067		307,135
NonCovered [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance					50,531	39,858	35,530	26,921
Impaired Financing Receivable, Related Allowance	10,343		10,343			9,975
Allowance for Loan and Lease Losses, Write-offs	(4,035)	(7,282)	(12,964)	(9,049)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	239	337	2,393	1,301
Provision for Loan and Lease Losses	6,137	422	23,585	9,834
Financing Receivable, Individually Evaluated for Impairment	10,343	7,654	10,343	7,654
Financing Receivable, Collectively Evaluated for Impairment	42,529	21,353	42,529	21,353
Financing Receivable, Individually Evaluated for Impairment	76,088	46,143	76,088	46,143
Financing Receivable, Collectively Evaluated for Impairment	6,175,440	5,387,644	6,175,440	5,387,644
Loans held for investment, net	6,251,528	5,433,787	6,251,528	5,433,787		5,842,463
NonCovered [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and Leases Receivable, Allowance					$ 700	1,253	$ 3,415	$ 2,944
Impaired Financing Receivable, Related Allowance	158		158			37
Allowance for Loan and Lease Losses, Write-offs	(25)	(171)	(115)	(203)
Allowance for Loan and Lease Loss, Recovery of Bad Debts	164	52	392	294
Provision for Loan and Lease Losses	(85)	(2,139)	(776)	(1,878)
Financing Receivable, Individually Evaluated for Impairment	158	34	158	34
Financing Receivable, Collectively Evaluated for Impairment	596	1,123	596	1,123
Financing Receivable, Individually Evaluated for Impairment	3,540	3,448	3,540	3,448
Financing Receivable, Collectively Evaluated for Impairment	126,281	104,960	126,281	104,960
Loans held for investment, net	$ 129,821	$ 108,408	$ 129,821	$ 108,408		$ 101,483

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Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Balance, beginning of period	$ 53,090	$ 53,090	$ 53,090	$ 53,090	$ 48,963
Additions	0	0	0	0	6,720
Fully amortized portion	0	0	0	0	(1,293)
Write-off due to the asset financing segment reorganization	0	0	0	0	(804)
Balance, end of period	53,090	53,090	53,090	53,090	53,090
Accumulated Amortization, beginning of period	(38,889)	(37,387)	(32,659)	(35,886)	(31,715)
Amortization	(1,497)	(1,502)	(1,608)	(4,500)	(4,649)
Accumulated Amortization, end of period	(40,386)	(38,889)	(34,267)	(40,386)	(34,267)
Finite-Lived Intangible Assets, Net	12,704	14,201	18,823	12,704	18,823
CDI and CRI [Member]
Finite-Lived Intangible Assets [Line Items]
Fully amortized portion	0	0	0	0	(1,293)
Write-off due to the asset financing segment reorganization	$ 0	$ 0	$ 0	$ 0	$ (1,300)

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Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net earnings		$ 69,616	$ 85,083	$ 62,271	$ 227,778	$ 97,906
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized holding (losses) gains on securities available-for-sale		14,466	(21,213)	93	616	45,395
Income tax benefit (expense) related to unrealized holding (losses) gains arising during the period		(5,873)	8,614	607	(364)	(18,342)
Unrealized holding losses (gains) on securities available-for-sale, net of tax		8,593	(12,599)	700	252	27,053
Reclassification adjustment for losses (gains) included in net earnings	[1]	(655)	186	0	(3,744)	(4,841)
Income tax (benefit) expense related to reclassification adjustment		266	(76)	0	1,571	1,956
Reclassification adjustment for losses (gains) included in net earnings, net of tax		(389)	110	0	(2,173)	(2,885)
Other comprehensive (loss) income, net of tax		8,204	(12,489)	700	(1,921)	24,168
Comprehensive income		$ 77,820	$ 72,594	$ 62,971	$ 225,857	$ 122,074

[1] Entire amounts are recognized in "Gain (loss) on sale of securities" on the Condensed Consolidated Statements of Earnings.

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Acquisitions

9 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Acquisitions

Acquisitions    

The following assets acquired and liabilities assumed of CapitalSource Inc. are presented at their estimated fair values as of its April 7, 2014 acquisition date:

	CapitalSource Inc.
	(In thousands)
Assets Acquired:
Cash and due from banks	$	768,553
Interest‑earning deposits in financial institutions	60,612
Investment securities available‑for‑sale	382,797
FHLB stock	46,060
Loans and leases	6,877,427
Equipment leased to others under operating leases	160,015
Premises and equipment	12,663
Foreclosed assets	6,382
Income tax assets	304,856
Goodwill	1,526,282
Core deposit and customer relationship intangibles	6,720
Other assets	582,985
Total assets acquired	$	10,735,352
Liabilities Assumed:
Noninterest‑bearing deposits	$	4,631
Interest‑bearing deposits	6,236,419
Other borrowings	992,109
Subordinated debentures	300,918
Accrued interest payable and other liabilities	124,087
Total liabilities assumed	$	7,658,164
Total consideration paid	$	3,077,188
Summary of consideration:
Cash paid	$	483,118
PacWest common stock issued	2,594,070
Total	$	3,077,188

CapitalSource Inc. Merger

We acquired CapitalSource Inc. on April 7, 2014. As part of the merger, CapitalSource Bank (“CSB”), a wholly owned subsidiary of CapitalSource Inc., merged with and into Pacific Western Bank. We completed the merger in order to augment our loan and lease generation capabilities and to diversify our loan portfolio. At closing, we formed the CapitalSource Division within the Bank. The Bank provides a full spectrum of financing solutions across numerous industries and property types to middle market businesses nationwide marketed under the CapitalSource Division brand.

The CapitalSource Inc. merger has been accounted for under the acquisition method of accounting. The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of the merger date. We made significant estimates and exercised significant judgment in estimating such fair values and accounting for the acquired assets and liabilities. The application of the acquisition method of accounting resulted in goodwill of $1.5 billion. All of the recognized goodwill was non‑deductible for tax purposes.

Acquisition-Related Charges

The costs shown for the 2014 periods relate to the CapitalSource merger completed on April 7, 2014. The costs shown for the 2015 periods relate to the Square 1 acquisition completed on October 6, 2015. The following table presents the components of acquisition, integration and reorganization costs for the periods indicated.

	Three Months Ended						Nine Months Ended
	September 30,		June 30,		September 30,		September 30,
	2015		2015		2014		2015		2014
	(In thousands)
Acquisition, Integration and Reorganization Costs:
Severance and employee-related	$	—	$	—	$	340	$	—	$	54,601
System conversion and integration	427		—		412		427		1,535
Asset write-downs, lease terminations and
other facilities-related	—		—		150		—		5,853
Investment banking deal costs	—		—		—		1,050		16,117
Other (legal, accounting, insurance, consulting)	320		900		4,291		2,170		15,529
Total acquisition, integration and
reorganization costs	$	747	$	900	$	5,193	$	3,647	$	93,635

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Loans and Leases (Details 10) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Allowance	$ 103,271		$ 84,455
Loans and Leases Receivable, Net Reported Amount, Covered	182,334		276,792
Purchased Credit Impaired Loans and Leases [Member]
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	232,822		340,639
Loan Discounts	(39,533)		(49,848)
Loans and Leases Receivable, Allowance	10,955		13,999
Loans and Leases Receivable, Allowance, Covered	(10,955)	$ (14,328)	(13,999)	$ (18,815)	$ (16,626)	$ (21,793)
Mortgage Loans on Real Estate [Member]
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	221,258		299,660
Loans and Leases Receivable, Allowance	34,299			27,003
Real Estate Construction [Member]
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	2,664		7,743
Loans and Leases Receivable, Allowance	4,391			5,917
Commercial Portfolio Segment [Member]
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	8,590		32,904
Loans and Leases Receivable, Allowance	52,872			29,007
Consumer Portfolio Segment [Member]
Purchased Credit Impaired Loans Composition [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	310		$ 332
Loans and Leases Receivable, Allowance	$ 754			$ 1,157

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Subsequent Events (Details 1) $ / shares in Units, $ in Thousands			3 Months Ended			9 Months Ended
	Nov. 02, 2015 $ / shares	Oct. 06, 2015 USD ($) $ / shares shares	Sep. 30, 2015 USD ($) $ / shares	Jun. 30, 2015 $ / shares	Sep. 30, 2014 $ / shares	Sep. 30, 2015 USD ($) bank_branch $ / shares	Sep. 30, 2014 $ / shares	Dec. 31, 2014 USD ($) $ / shares
Subsequent Event [Line Items]
Common Stock par value (usd per share) | $ / shares			$ 0.01			$ 0.01		$ 0.01
Assets			$ 16,814,105			$ 16,814,105		$ 16,234,605
Dividends declared per share (usd per share) | $ / shares			$ 0.5	$ 0.5	$ 0.25	$ 1.50	$ 0.75
Subsequent Event, Description						0
Subsequent Event [Member]
Subsequent Event [Line Items]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage		15.00%
Assets		$ 4,000,000
Dividends Payable, Date Declared	Nov. 02, 2015
Dividends Payable, Date to be Paid	Nov. 30, 2015
Dividends Payable, Date of Record	Nov. 16, 2015
Dividend Declared [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends declared per share (usd per share) | $ / shares	$ 0.5
Square 1 Financial, Inc. [Member]
Subsequent Event [Line Items]
Assets			$ 21,000,000			$ 21,000,000
Retail Branch Locations | bank_branch						80
Business Combinations, Acquired Locations | bank_branch						1
Square 1 Financial, Inc. [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Business Acquisition, Effective Date of Acquisition		Oct. 06, 2015
Common Stock par value (usd per share) | $ / shares		$ 43.97
Total consideration paid		$ 815,000
Business Acquisition Shares Receivable By Stockholders Of Acquiree Ratio | shares		0.5597
Common Stock, Value, Outstanding		$ 17,800
Shares Of Common Stock [Member] | Square 1 Financial, Inc. [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues | shares		18,100,000

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Commitments and Contingencies (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Loan commitments to extend credit	$ 2,022,046	$ 1,921,067
Standby letters of credit	104,073	88,495
Commitments to purchase equipment being acquired for lease to others	6,935	12,839
Total	$ 2,133,054	$ 2,022,401

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Loans and Leases (Tables)

9 Months Ended

Sep. 30, 2015

Accounts, Notes, Loans and Financing Receivable [Line Items]

Schedule Of Composition of Loans Portfolio

The following table summarizes the composition of our loan and lease portfolio as of the dates indicated:

	September 30, 2015									December 31, 2014
	Non-PCI									Non-PCI
	Loans			PCI						Loans			PCI
	and Leases			Loans			Total			and Leases			Loans			Total
	(In thousands)
Real estate mortgage	$	5,521,291		$	184,751		$	5,706,042		$	5,350,827		$	256,489		$	5,607,316
Real estate construction and land	376,197			2,690			378,887			309,162			6,924			316,086
Commercial	6,272,807			5,606			6,278,413			5,852,420			27,155			5,879,575
Consumer	129,762			293			130,055			101,423			284			101,707
Total gross loans and leases	12,300,057			193,340			12,493,397			11,613,832			290,852			11,904,684
Deferred fees and costs	(41,141		)	(51		)	(41,192		)	(22,191		)	(61		)	(22,252		)
Total loans and leases, net of deferred fees	12,258,916			193,289			12,452,205			11,591,641			290,791			11,882,432
Allowance for loan and lease losses	(92,316		)	(10,955		)	(103,271		)	(70,456		)	(13,999		)	(84,455		)
Total net loans and leases	$	12,166,600		$	182,334		$	12,348,934		$	11,521,185		$	276,792		$	11,797,977

Allowance for Loan Losses

The following tables present a summary of the activity in the allowance for loan and lease losses on Non‑PCI loans and leases by portfolio segment and PCI loans for the periods indicated:

	Three Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	29,908		$	3,908	$	50,531		$	700		$	85,047		$	14,328		$	99,375
Charge-offs	(252		)	—		(4,035		)	(25		)	(4,312		)	(1,119		)	(5,431		)
Recoveries	288			390		239			164			1,081			—			1,081
Provision (negative provision)	4,355			93		6,137			(85		)	10,500			(2,254		)	8,246
Balance, end of period	$	34,299		$	4,391	$	52,872		$	754		$	92,316		$	10,955		$	103,271

	Nine Months Ended September 30, 2015
				Real Estate
	Real Estate			Construction									Total			Total
	Mortgage			and Land			Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	25,097		$	4,248		$	39,858		$	1,253		$	70,456		$	13,999		$	84,455
Charge-offs	(1,767		)	—			(12,964		)	(115		)	(14,846		)	(1,698		)	(16,544		)
Recoveries	1,783			1,034			2,393			392			5,602			112			5,714
Provision (negative provision)	9,186			(891		)	23,585			(776		)	31,104			(1,458		)	29,646
Balance, end of period	$	34,299		$	4,391		$	52,872		$	754		$	92,316		$	10,955		$	103,271
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,443		$	31		$	10,343		$	158		$	11,975
Collectively evaluated for impairment	$	32,856		$	4,360		$	42,529		$	596		$	80,341
Acquired loans with deteriorated credit quality																$	10,955
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,393		$	8,047		$	76,088		$	3,540		$	146,068
Collectively evaluated for impairment	$	5,446,694		$	364,433		$	6,175,440		$	126,281		$	12,112,848
Acquired loans with deteriorated credit quality																$	193,289
Ending balance of
loans and leases	$	5,505,087		$	372,480		$	6,251,528		$	129,821		$	12,258,916		$	193,289		$	12,452,205

	Three Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	22,276		$	4,302	$	35,530		$	3,415		$	65,523		$	16,626		$	82,149
Charge-offs	(395		)	—		(7,282		)	(171		)	(7,848		)	(108		)	(7,956		)
Recoveries	1,312			24		337			52			1,725			—			1,725
Provision (negative provision)	3,810			1,591		422			(2,139		)	3,684			2,297			5,981
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899

	Nine Months Ended September 30, 2014
				Real Estate
	Real Estate			Construction								Total			Total
	Mortgage			and Land		Commercial			Consumer			Non-PCI			PCI			Total
	(In thousands)
Allowance for Loan and
Lease Losses:
Balance, beginning of period	$	26,078		$	4,298	$	26,921		$	2,944		$	60,241		$	21,793		$	82,034
Charge-offs	(976		)	—		(9,049		)	(203		)	(10,228		)	(4,712		)	(14,940		)
Recoveries	1,949			112		1,301			294			3,656			51			3,707
Provision (negative provision)	(48		)	1,507		9,834			(1,878		)	9,415			1,683			11,098
Balance, end of period	$	27,003		$	5,917	$	29,007		$	1,157		$	63,084		$	18,815		$	81,899
Amount of the allowance
applicable to loans and leases:
Individually evaluated for impairment	$	1,568		$	119	$	7,654		$	34		$	9,375
Collectively evaluated for impairment	$	25,435		$	5,798	$	21,353		$	1,123		$	53,709
Acquired loans with deteriorated credit quality															$	18,815
The ending balance of the
loan and lease portfolio is
composed of loans and leases:
Individually evaluated for impairment	$	58,041		$	12,621	$	46,143		$	3,448		$	120,253
Collectively evaluated for impairment	$	5,340,203		$	270,446	$	5,387,644		$	104,960		$	11,103,253
Acquired loans with deteriorated credit quality															$	351,379
Ending balance of
loans and leases	$	5,398,244		$	283,067	$	5,433,787		$	108,408		$	11,223,506		$	351,379		$	11,574,885

CV of Loans Held for Investment by class by performing and nonperforming

The following table presents the credit risk rating categories for Non‑PCI loans and leases by portfolio segment and class as of the dates indicated. Nonclassified loans and leases are those with a credit risk rating of either pass or special mention, while classified loans and leases are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	10,695	$	613,452	$	624,147	$	17,761	$	542,458	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	56,981		4,425,233		4,482,214		68,084		4,336,330		4,404,414
Total real estate mortgage	79,358		5,425,729		5,505,087		96,986		5,243,574		5,340,560
Real estate construction and land:
Residential	1,407		143,834		145,241		402		96,326		96,728
Commercial	584		226,655		227,239		3,346		207,061		210,407
Total real estate construction and land	1,991		370,489		372,480		3,748		303,387		307,135
Commercial:
Collateralized	17,147		341,942		359,089		22,433		416,754		439,187
Unsecured	2,357		124,214		126,571		1,323		130,501		131,824
Asset-based	3,838		2,018,591		2,022,429		11,547		1,783,304		1,794,851
Cash flow	163,589		2,636,965		2,800,554		83,321		2,376,530		2,459,851
Equipment finance	53,153		841,624		894,777		15,973		953,516		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	243,002		6,008,526		6,251,528		137,804		5,704,659		5,842,463
Consumer	3,687		126,134		129,821		4,073		97,410		101,483
Total Non-PCI loans and leases	$	328,038	$	11,930,878	$	12,258,916	$	242,611	$	11,349,030	$	11,591,641

Schedule Of Non Accrual and Performing Restructured Impaired Financing Receivables

The following table presents the composition of our impaired loans and leases as of the dates indicated:

	September 30, 2015						December 31, 2014
			Performing		Total				Performing		Total
	Nonaccrual		Restructured		Impaired		Nonaccrual		Restructured		Impaired
	Loans/Leases		Loans		Loans/Leases		Loans/Leases		Loans		Loans/Leases
	(In thousands)
Real estate mortgage	$	31,821	$	27,293	$	59,114	$	37,612	$	20,245	$	57,857
Real estate construction and land	374		7,673		8,047		1,559		8,996		10,555
Commercial	71,616		4,767		76,383		40,965		5,744		46,709
Consumer	3,379		223		3,602		3,485		259		3,744
Total	$	107,190	$	39,956	$	147,146	$	83,621	$	35,244	$	118,865

Oil And Gas Related Loans and Lease

The following table presents loan and lease relationships having direct exposure to the oil and gas industries as of the dates indicated:

	September 30, 2015			June 30, 2015
	Amount		Obligors	Amount		Obligors
	(Dollars in thousands)
Loans	$	83,025	7	$	87,005	8
Leases	69,247		20	90,189		21
Total oil & gas support services	$	152,272	27	$	177,194	29
Nonaccrual	$	47,853	4	$	64,232	4
Classified	$	47,853	4	$	64,232	4

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

The following tables present new troubled debt restructurings of Non-PCI loans for the periods indicated:

	Three Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	5	956		956		7	10,496		10,496
Real estate construction and land:
Commercial	3	7,333		7,333		—	—		—
Commercial:
Collateralized	1	3,431		3,431		9	1,507		1,507
Unsecured	9	883		883		3	173		173
SBA	—	—		—		2	1,313		1,313
Consumer	1	106		106		3	183		183
Total	19	$	12,709	$	12,709	25	$	13,736	$	13,736

	Nine Months Ended September 30,
	2015					2014
		Pre-		Post-			Pre-		Post-
		Modification		Modification			Modification		Modification
		Outstanding		Outstanding			Outstanding		Outstanding
	Number	Recorded		Recorded		Number	Recorded		Recorded
Troubled Debt Restructurings:	of Loans	Investment		Investment		of Loans	Investment		Investment
	(Dollars in thousands)
Real estate mortgage:
SBA	—	$	—	$	—	1	$	64	$	64
Other	29	9,506		9,291		15	14,352		14,352
Real estate construction and land:
Commercial	6	16,948		16,948		2	4,920		4,920
Commercial:
Collateralized	13	8,138		8,138		15	4,853		4,853
Unsecured	12	1,190		1,190		5	211		211
Cash flow	4	566		387		—	—		—
Equipment finance	9	53,338		53,338		—	—		—
SBA	1	—		—		2	1,313		1,313
Consumer	2	197		197		4	307		307
Total	76	$	89,883	$	89,489	44	$	26,020	$	26,020

Subsequently Defaulted Trouble Debt Restructurings

The following tables present troubled debt restructurings that subsequently defaulted for the periods indicated:

	Three Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	3	$	2,037		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial - Unsecured	—	—			2	37
Total	3	$	2,037	(2)	3	$	1,227	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

	Nine Months Ended September 30,
	2015				2014
Troubled Debt Restructurings	Number	Recorded			Number	Recorded
That Subsequently Defaulted:	of Loans	Investment(1)			of Loans	Investment(1)
	(Dollars in thousands)
Real estate mortgage - Other	5	$	3,240		—	$	—
Real estate construction - Commercial	—	—			1	1,190
Commercial:
Collateralized	—	—			1	22
Unsecured	—	—			2	37
Consumer	—	—			1	109
Total	5	$	3,240	(2)	5	$	1,358	(3)

_________________________

(1) The population of defaulted restructured loans for the period indicated includes only those loans restructured during the preceding 12-month period. The table excludes defaulted troubled restructurings in those classes for which the recorded investment was zero at the end of the period.

(2) Represents the balance at September 30, 2015, and there were no charge-offs.

(3) Represents the balance at September 30, 2014, and is net of charge-offs of $0.2 million.

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period

The following table summarizes the changes in the carrying amount of PCI loans and accretable yield on those loans for the period indicated:

	Carrying			Accretable
	Amount			Yield
	(In thousands)
Balance, December 31, 2014	$	276,792		$	(106,856	)
Accretion	25,523			25,523
Payments received	(121,439		)	—
Increase in expected cash flows, net	—			(10,694		)
Negative provision for credit losses	1,458			—
Balance, September 30, 2015	$	182,334		$	(92,027	)

Non Purchased Credit Impaired Loans and Leases [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

Delinquent loans in loan portfolio

The following tables present an aging analysis of our Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	779	$	—	$	779	$	623,368	$	624,147
SBA	276		8,661		8,937		389,789		398,726
Other	4,022		7,276		11,298		4,470,916		4,482,214
Total real estate mortgage	5,077		15,937		21,014		5,484,073		5,505,087
Real estate construction and land:
Residential	—		—		—		145,241		145,241
Commercial	—		—		—		227,239		227,239
Total real estate construction and land	—		—		—		372,480		372,480
Commercial:
Collateralized	425		140		565		358,524		359,089
Unsecured	57		—		57		126,514		126,571
Asset-based	—		—		—		2,022,429		2,022,429
Cash flow	—		—		—		2,800,554		2,800,554
Equipment finance	—		1,680		1,680		893,097		894,777
SBA	239		1,218		1,457		46,651		48,108
Total commercial	721		3,038		3,759		6,247,769		6,251,528
Consumer	88		3,146		3,234		126,587		129,821
Total Non-PCI loans and leases	$	5,886	$	22,121	$	28,007	$	12,230,909	$	12,258,916

	December 31, 2014
	30 - 89		90 or More
	Days		Days		Total
	Past Due		Past Due		Past Due		Current		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	—	$	—	$	—	$	560,219	$	560,219
SBA	5,530		4,357		9,887		366,040		375,927
Other	6,098		7,630		13,728		4,390,686		4,404,414
Total real estate mortgage	11,628		11,987		23,615		5,316,945		5,340,560
Real estate construction and land:
Residential	—		—		—		96,728		96,728
Commercial	—		715		715		209,692		210,407
Total real estate construction and land	—		715		715		306,420		307,135
Commercial:
Collateralized	878		965		1,843		437,344		439,187
Unsecured	69		45		114		131,710		131,824
Asset-based	—		—		—		1,794,851		1,794,851
Cash flow	—		232		232		2,459,619		2,459,851
Equipment finance	6,525		366		6,891		962,598		969,489
SBA	205		1,362		1,567		45,694		47,261
Total commercial	7,677		2,970		10,647		5,831,816		5,842,463
Consumer	101		3,146		3,247		98,236		101,483
Total Non-PCI loans and leases	$	19,406	$	18,818	$	38,224	$	11,553,417	$	11,591,641

Financing Receivable Non Accrual And Performing

The following table presents our nonaccrual and performing Non‑PCI loans and leases by portfolio segment and class as of the dates indicated:

	September 30, 2015						December 31, 2014
	Nonaccrual		Performing		Total		Nonaccrual		Performing		Total
	(In thousands)
Real estate mortgage:
Hospitality	$	1,845	$	622,302	$	624,147	$	6,366	$	553,853	$	560,219
SBA	11,682		387,044		398,726		11,141		364,786		375,927
Other	18,294		4,463,920		4,482,214		20,105		4,384,309		4,404,414
Total real estate mortgage	31,821		5,473,266		5,505,087		37,612		5,302,948		5,340,560
Real estate construction and land:
Residential	374		144,867		145,241		381		96,347		96,728
Commercial	—		227,239		227,239		1,178		209,229		210,407
Total real estate construction and land	374		372,106		372,480		1,559		305,576		307,135
Commercial:
Collateralized	2,771		356,318		359,089		5,450		433,737		439,187
Unsecured	923		125,648		126,571		639		131,185		131,824
Asset-based	90		2,022,339		2,022,429		4,574		1,790,277		1,794,851
Cash flow	11,761		2,788,793		2,800,554		15,964		2,443,887		2,459,851
Equipment finance	53,153		841,624		894,777		11,131		958,358		969,489
SBA	2,918		45,190		48,108		3,207		44,054		47,261
Total commercial	71,616		6,179,912		6,251,528		40,965		5,801,498		5,842,463
Consumer	3,379		126,442		129,821		3,485		97,998		101,483
Total Non-PCI loans and leases	$	107,190	$	12,151,726	$	12,258,916	$	83,621	$	11,508,020	$	11,591,641

Impaired Financing Receivables, Average Balances And Interest Income Recognized

The following tables present information regarding our Non‑PCI impaired loans and leases by portfolio segment and class as of and for the dates indicated:

	September 30, 2015						December 31, 2014
			Unpaid						Unpaid
	Recorded		Principal		Related		Recorded		Principal		Related
	Investment		Balance		Allowance		Investment		Balance		Allowance
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	1,907	$	6	$	1,946	$	1,945	$	47
Other	13,955		14,203		1,437		9,136		9,233		646
Real estate construction and land:
Residential	751		751		31		763		763		46
Commercial	—		—		—		1,128		4,934		23
Commercial:
Collateralized	4,966		5,529		3,006		4,630		5,246		3,771
Unsecured	1,908		1,921		1,580		912		924		799
Asset-based	30		140		30		137		247		137
Cash flow	11,761		17,606		2,097		15,578		17,970		2,667
Equipment finance	9,654		10,247		3,630		6,956		7,268		2,601
Consumer	394		400		158		143		142		37
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	10,019	$	—	$	6,366	$	7,593	$	—
SBA	11,682		15,616		—		11,141		14,708		—
Other	23,650		36,240		—		29,268		40,643		—
Real estate construction and land:
Residential	—		—		—		21		19		—
Commercial	7,296		7,293		—		8,643		8,749		—
Commercial:
Collateralized	1,486		1,908		—		5,566		6,877		—
Unsecured	101		111		—		725		809		—
Asset-based	61		61		—		4,436		5,415		—
Cash flow	—		505		—		387		919		—
Equipment finance	43,498		46,894		—		4,175		7,528		—
SBA	2,918		4,743		—		3,207		4,920		—
Consumer	3,208		3,327		—		3,601		3,768		—
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	59,114	$	77,985	$	1,443	$	57,857	$	74,122	$	693
Real estate construction and land	8,047		8,044		31		10,555		14,465		69
Commercial	76,383		89,665		10,343		46,709		58,123		9,975
Consumer	3,602		3,727		158		3,744		3,910		37
Total	$	147,146	$	179,421	$	11,975	$	118,865	$	150,620	$	10,774

	Three Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	20	$	1,957	$	20
Other	13,801		141		13,302		129
Real estate construction and land:
Residential	751		4		767		4
Commercial	—		—		1,162		6
Commercial:
Collateralized	4,876		48		5,404		46
Unsecured	1,892		13		620		6
Asset-based	30		—		262		—
Cash flow	11,761		—		15,726		—
Equipment finance	9,654		—		1,864		—
Consumer	394		4		146		2
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,920	$	144	$	6,451	$	—
SBA	11,209		—		7,521		38
Other	23,466		113		29,119		79
Real estate construction and land:
Residential	—		—		542		—
Commercial	7,193		62		10,221		75
Commercial:
Collateralized	1,486		21		2,746		25
Unsecured	101		1		144		—
Asset-based	1		—		4,472		—
Cash flow	—		—		—		—
Equipment finance	43,406		—		9,466		—
SBA	2,841		—		3,331		36
Consumer	3,208		—		3,492		2
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	58,303	$	418	$	58,350	$	266
Real estate construction and land	7,944		66		12,692		85
Commercial	76,048		83		44,035		113
Consumer	3,602		4		3,638		4
Total	$	145,897	$	571	$	118,715	$	468

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

	Nine Months Ended September 30,
	2015				2014
	Weighted		Interest		Weighted		Interest
	Average		Income		Average		Income
	Balance(1)		Recognized		Balance(1)		Recognized
	(In thousands)
With An Allowance Recorded:
Real estate mortgage:
Hospitality	$	1,907	$	58	$	1,957	$	60
SBA	—		—		—		—
Other	13,582		415		12,989		383
Real estate construction and land:
Residential	751		12		767		12
Commercial	—		—		1,162		19
Commercial:
Collateralized	3,876		67		5,404		138
Unsecured	1,464		35		620		18
Asset-based	30		—		262		—
Cash flow	11,761		—		5,357		—
Equipment finance	6,905		—		1,051		—
SBA	—		—		—		—
Consumer	375		11		146		7
With No Related Allowance Recorded:
Real estate mortgage:
Hospitality	$	7,839	$	426	$	6,451	$	—
SBA	9,518		1		6,259		38
Other	20,952		273		26,858		283
Real estate construction and land:
Residential	—		—		407		—
Commercial	7,021		176		10,221		222
Commercial:
Collateralized	1,238		51		2,623		82
Unsecured	101		4		125		—
Asset-based	—		—		3,013		—
Cash flow	—		—		—		—
Equipment finance	29,088		—		6,057		—
SBA	2,816		82		2,786		36
Consumer	3,208		—		2,856		7
Total Non-PCI Loans and Leases With and Without an Allowance Recorded:
Real estate mortgage	$	53,798	$	1,173	$	54,514	$	764
Real estate construction and land	7,772		188		12,557		253
Commercial	57,279		239		27,298		274
Consumer	3,583		11		3,002		14
Total	$	122,432	$	1,611	$	97,371	$	1,305

_________________________

(1) For Non-PCI loans and leases reported as impaired at September 30, 2015 and 2014, amounts were calculated based on the period of time such loans and leases were impaired during the reported period.

Purchased Credit Impaired Loans and Leases [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

CV of Loans Held for Investment by class by performing and nonperforming

The following table presents PCI loans by credit risk rating categories and portfolio segment as of the dates indicated. Nonclassified loans are those with a credit risk rating of either pass or special mention, while classified loans are those with a credit risk rating of either substandard or doubtful.

	September 30, 2015						December 31, 2014
	Classified		Nonclassified		Total		Classified		Nonclassified		Total
	(In thousands)
Real estate mortgage	$	48,987	$	135,717	$	184,704	$	101,161	$	155,281	$	256,442
Real estate construction and land	1,254		1,432		2,686		3,901		3,010		6,911
Commercial	5,480		126		5,606		26,942		212		27,154
Consumer	293		—		293		284		—		284
Total PCI loans, net of deferred fees	$	56,014	$	137,275	$	193,289	$	132,288	$	158,503	$	290,791

Schedule of Accounts, Notes, Loans and Financing Receivable

The following table reflects the PCI loans by portfolio segment as of the dates indicated:

	September 30,			December 31,
	2015			2014
	(In thousands)
Real estate mortgage	$	221,258		$	299,660
Real estate construction and land	2,664			7,743
Commercial	8,590			32,904
Consumer	310			332
Total gross PCI loans	232,822			340,639
Less:
Discount	(39,533		)	(49,848		)
Allowance for loan losses	(10,955		)	(13,999		)
Total net PCI loans	$	182,334		$	276,792

XML

Fair Value Measurements (Details 4) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Net Gain (Loss) from Nonrecurring Assets	$ (5,631)	$ (12,505)
Non Purchased Credit Impaired Loans and Leases [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Net Gain (Loss) from Nonrecurring Assets	(873)	(7,623)
Other real estate and foreclosed assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Net Gain (Loss) from Nonrecurring Assets	$ (4,758)	$ (4,882)

XML

Acquisitions (Details 1) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Severance and employee-related	$ 0	$ 0	$ 340	$ 0	$ 54,601
System conversion and integration	427	0	412	427	1,535
Asset write-downs, lease terminations and other facilities-related	0	0	150	0	5,853
Investment banking deal costs	0	0	0	1,050	16,117
Other (legal, accounting, insurance, consulting)	320	900	4,291	2,170	15,529
Total acquisition, integration and reorganization costs	$ 747	$ 900	$ 5,193	$ 3,647	$ 93,635

XML

Stock Based Compensation

9 Months Ended

Sep. 30, 2015

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

Stock Based Compensation

Stock Based Compensation

The Company’s 2003 Stock Incentive Plan, or the 2003 Plan, permits stock-based compensation awards to officers, directors, key employees and consultants. As of September 30, 2015, the 2003 Plan authorized grants of stock‑based compensation instruments to purchase or issue up to 19,686,565 shares of Company common stock, subject to adjustments provided by the 2003 Plan. As of September 30, 2015, there were 13,202,836 shares available for grant under the 2003 Plan.

Restricted Stock

At September 30, 2015, there were 988,825 shares of unvested time‑based restricted common stock outstanding. The awarded shares of time‑based restricted common stock vest over a service period of three to four years from the date of the grant or immediately upon the death of an employee. Upon closing of the CapitalSource Inc. merger on April 7, 2014, 1,013,377 of awarded shares of restricted common stock vested due to the triggering of the change of control provision contained within the 2003 Plan and a $26.1 million charge to earnings for the vesting of such shares was recorded. Such amount is included in "Acquisition, integration and reorganization costs" on the condensed consolidated statements of earnings in the second quarter of 2014.

Compensation expense related to time‑based restricted stock awards is based on the fair value of the underlying stock on the award date and is recognized over the vesting period using the straight‑line method. Restricted stock amortization totaled $3.8 million, $4.4 million, and $2.9 million for the three months endedSeptember 30, 2015, June 30, 2015 and September 30, 2014, respectively, and $11.2 million and $6.9 million for the nine months endedSeptember 30, 2015 and 2014, respectively. Such amounts are included in "Compensation expense" on the condensed consolidated statements of earnings.

The amount of unrecognized compensation expense related to all unvested restricted stock as of September 30, 2015 totaled $34.8 million.